3187 lines
		
	
	
	
		
			101 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			3187 lines
		
	
	
	
		
			101 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/**
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 * @file include/diaspora.php
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 * 
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 * @todo GET /people/9aed8882b9f64896/stream
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 */
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require_once('include/crypto.php');
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require_once('include/items.php');
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require_once('include/bb2diaspora.php');
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require_once('include/contact_selectors.php');
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require_once('include/queue_fn.php');
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require_once('include/lock.php');
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require_once('include/threads.php');
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require_once('mod/share.php');
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function diaspora_dispatch_public($msg) {
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	$enabled = intval(get_config('system','diaspora_enabled'));
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	if(! $enabled) {
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		logger('mod-diaspora: disabled');
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		return;
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	}
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	// Use a dummy importer to import the data for the public copy
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	$importer = array("uid" => 0, "page-flags" => PAGE_FREELOVE);
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	$result = diaspora_dispatch($importer,$msg);
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	logger("Dispatcher reported ".$result, LOGGER_DEBUG);
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	// Now distribute it to the followers
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	$r = q("SELECT `user`.* FROM `user` WHERE `user`.`uid` IN
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		( SELECT `contact`.`uid` FROM `contact` WHERE `contact`.`network` = '%s' AND `contact`.`addr` = '%s' )
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		AND `account_expired` = 0 AND `account_removed` = 0 ",
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		dbesc(NETWORK_DIASPORA),
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		dbesc($msg['author'])
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	);
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	if(count($r)) {
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		foreach($r as $rr) {
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			logger('diaspora_public: delivering to: ' . $rr['username']);
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			diaspora_dispatch($rr,$msg);
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		}
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	}
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	else
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		logger('diaspora_public: no subscribers for '.$msg["author"].' '.print_r($msg, true));
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}
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function diaspora_dispatch($importer,$msg,$attempt=1) {
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	$ret = 0;
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	$enabled = intval(get_config('system','diaspora_enabled'));
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	if(! $enabled) {
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		logger('mod-diaspora: disabled');
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		return;
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	}
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	// php doesn't like dashes in variable names
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	$msg['message'] = str_replace(
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			array('<activity_streams-photo>','</activity_streams-photo>'),
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			array('<asphoto>','</asphoto>'),
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			$msg['message']);
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	$parsed_xml = parse_xml_string($msg['message'],false);
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	$xmlbase = $parsed_xml->post;
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	logger('diaspora_dispatch: ' . print_r($xmlbase,true), LOGGER_DEBUG);
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	if($xmlbase->request) {
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		$ret = diaspora_request($importer,$xmlbase->request);
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	}
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	elseif($xmlbase->status_message) {
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		$ret = diaspora_post($importer,$xmlbase->status_message,$msg);
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	}
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	elseif($xmlbase->profile) {
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		$ret = diaspora_profile($importer,$xmlbase->profile,$msg);
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	}
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	elseif($xmlbase->comment) {
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		$ret = diaspora_comment($importer,$xmlbase->comment,$msg);
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	}
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	elseif($xmlbase->like) {
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		$ret = diaspora_like($importer,$xmlbase->like,$msg);
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	}
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	elseif($xmlbase->asphoto) {
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		$ret = diaspora_asphoto($importer,$xmlbase->asphoto,$msg);
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	}
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	elseif($xmlbase->reshare) {
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		$ret = diaspora_reshare($importer,$xmlbase->reshare,$msg);
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	}
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	elseif($xmlbase->retraction) {
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		$ret = diaspora_retraction($importer,$xmlbase->retraction,$msg);
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	}
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	elseif($xmlbase->signed_retraction) {
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		$ret = diaspora_signed_retraction($importer,$xmlbase->signed_retraction,$msg);
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	}
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	elseif($xmlbase->relayable_retraction) {
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		$ret = diaspora_signed_retraction($importer,$xmlbase->relayable_retraction,$msg);
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	}
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	elseif($xmlbase->photo) {
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		$ret = diaspora_photo($importer,$xmlbase->photo,$msg,$attempt);
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	}
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	elseif($xmlbase->conversation) {
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		$ret = diaspora_conversation($importer,$xmlbase->conversation,$msg);
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	}
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	elseif($xmlbase->message) {
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		$ret = diaspora_message($importer,$xmlbase->message,$msg);
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	}
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	elseif($xmlbase->participation) {
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		$ret = diaspora_participation($importer,$xmlbase->participation);
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	}
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	else {
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		logger('diaspora_dispatch: unknown message type: ' . print_r($xmlbase,true));
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	}
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	return $ret;
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}
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function diaspora_handle_from_contact($contact_id) {
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	$handle = False;
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	logger("diaspora_handle_from_contact: contact id is " . $contact_id, LOGGER_DEBUG);
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	$r = q("SELECT network, addr, self, url, nick FROM contact WHERE id = %d",
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	       intval($contact_id)
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	);
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	if($r) {
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		$contact = $r[0];
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		logger("diaspora_handle_from_contact: contact 'self' = " . $contact['self'] . " 'url' = " . $contact['url'], LOGGER_DEBUG);
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		if($contact['network'] === NETWORK_DIASPORA) {
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			$handle = $contact['addr'];
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//			logger("diaspora_handle_from_contact: contact id is a Diaspora person, handle = " . $handle, LOGGER_DEBUG);
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		}
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		elseif(($contact['network'] === NETWORK_DFRN) || ($contact['self'] == 1)) {
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			$baseurl_start = strpos($contact['url'],'://') + 3;
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			$baseurl_length = strpos($contact['url'],'/profile') - $baseurl_start; // allows installations in a subdirectory--not sure how Diaspora will handle
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			$baseurl = substr($contact['url'], $baseurl_start, $baseurl_length);
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			$handle = $contact['nick'] . '@' . $baseurl;
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//			logger("diaspora_handle_from_contact: contact id is a DFRN person, handle = " . $handle, LOGGER_DEBUG);
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		}
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	}
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	return $handle;
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}
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function diaspora_get_contact_by_handle($uid,$handle) {
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	$r = q("SELECT * FROM `contact` WHERE `network` = '%s' AND `uid` = %d AND `addr` = '%s' LIMIT 1",
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		dbesc(NETWORK_DIASPORA),
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		intval($uid),
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		dbesc($handle)
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	);
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	if($r && count($r))
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		return $r[0];
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	$handle_parts = explode("@", $handle);
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	$nurl_sql = '%%://' . $handle_parts[1] . '%%/profile/' . $handle_parts[0];
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	$r = q("SELECT * FROM contact WHERE network = '%s' AND uid = %d AND nurl LIKE '%s' LIMIT 1",
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	       dbesc(NETWORK_DFRN),
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	       intval($uid),
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	       dbesc($nurl_sql)
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	);
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	if($r && count($r))
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		return $r[0];
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	return false;
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}
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function find_diaspora_person_by_handle($handle) {
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	$person = false;
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	$update = false;
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	$got_lock = false;
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	$endlessloop = 0;
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	$maxloops = 10;
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	do {
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		$r = q("select * from fcontact where network = '%s' and addr = '%s' limit 1",
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			dbesc(NETWORK_DIASPORA),
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			dbesc($handle)
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		);
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		if(count($r)) {
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			$person = $r[0];
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			logger('find_diaspora_person_by handle: in cache ' . print_r($r,true), LOGGER_DEBUG);
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			// update record occasionally so it doesn't get stale
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			$d = strtotime($person['updated'] . ' +00:00');
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			if($d < strtotime('now - 14 days'))
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				$update = true;
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		}
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		// FETCHING PERSON INFORMATION FROM REMOTE SERVER
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		//
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		// If the person isn't in our 'fcontact' table, or if he/she is but
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		// his/her information hasn't been updated for more than 14 days, then
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		// we want to fetch the person's information from the remote server.
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		//
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		// Note that $person isn't changed by this block of code unless the
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		// person's information has been successfully fetched from the remote
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		// server. So if $person was 'false' to begin with (because he/she wasn't
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		// in the local cache), it'll stay false, and if $person held the local
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		// cache information to begin with, it'll keep that information. That way
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		// if there's a problem with the remote fetch, we can at least use our
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		// cached information--it's better than nothing.
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		if((! $person) || ($update))  {
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			// Lock the function to prevent race conditions if multiple items
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			// come in at the same time from a person who doesn't exist in
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			// fcontact
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			//
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			// Don't loop forever. On the last loop, try to create the contact
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			// whether the function is locked or not. Maybe the locking thread
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			// has died or something. At any rate, a duplicate in 'fcontact'
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			// is a much smaller problem than a deadlocked thread
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			$got_lock = lock_function('find_diaspora_person_by_handle', false);
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			if(($endlessloop + 1) >= $maxloops)
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				$got_lock = true;
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			if($got_lock) {
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				logger('find_diaspora_person_by_handle: create or refresh', LOGGER_DEBUG);
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				require_once('include/Scrape.php');
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				$r = probe_url($handle, PROBE_DIASPORA);
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				// Note that Friendica contacts can return a "Diaspora person"
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				// if Diaspora connectivity is enabled on their server
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				if((count($r)) && ($r['network'] === NETWORK_DIASPORA)) {
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					add_fcontact($r,$update);
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					$person = ($r);
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				}
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				unlock_function('find_diaspora_person_by_handle');
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			}
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			else {
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				logger('find_diaspora_person_by_handle: couldn\'t lock function', LOGGER_DEBUG);
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				if(! $person)
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					block_on_function_lock('find_diaspora_person_by_handle');
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			}
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		}
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	} while((! $person) && (! $got_lock) && (++$endlessloop < $maxloops));
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	// We need to try again if the person wasn't in 'fcontact' but the function was locked.
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	// The fact that the function was locked may mean that another process was creating the
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	// person's record. It could also mean another process was creating or updating an unrelated
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	// person.
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	//
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	// At any rate, we need to keep trying until we've either got the person or had a chance to
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	// try to fetch his/her remote information. But we don't want to block on locking the
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	// function, because if the other process is creating the record, then when we acquire the lock
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	// we'll dive right into creating another, duplicate record. We DO want to at least wait
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	// until the lock is released, so we don't flood the database with requests.
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	//
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	// If the person was in the 'fcontact' table, don't try again. It's not worth the time, since
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	// we do have some information for the person
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	return $person;
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}
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function get_diaspora_key($uri) {
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	logger('Fetching diaspora key for: ' . $uri);
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	$r = find_diaspora_person_by_handle($uri);
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	if($r)
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		return $r['pubkey'];
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	return '';
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}
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function diaspora_pubmsg_build($msg,$user,$contact,$prvkey,$pubkey) {
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	$a = get_app();
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	logger('diaspora_pubmsg_build: ' . $msg, LOGGER_DATA);
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	$handle = $user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
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//	$b64_data = base64_encode($msg);
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//	$b64url_data = base64url_encode($b64_data);
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	$b64url_data = base64url_encode($msg);
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	$data = str_replace(array("\n","\r"," ","\t"),array('','','',''),$b64url_data);
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	$type = 'application/xml';
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	$encoding = 'base64url';
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	$alg = 'RSA-SHA256';
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	$signable_data = $data  . '.' . base64url_encode($type) . '.'
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		. base64url_encode($encoding) . '.' . base64url_encode($alg) ;
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	$signature = rsa_sign($signable_data,$prvkey);
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	$sig = base64url_encode($signature);
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$magic_env = <<< EOT
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<?xml version='1.0' encoding='UTF-8'?>
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<diaspora xmlns="https://joindiaspora.com/protocol" xmlns:me="http://salmon-protocol.org/ns/magic-env" >
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  <header>
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    <author_id>$handle</author_id>
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  </header>
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  <me:env>
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    <me:encoding>base64url</me:encoding>
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    <me:alg>RSA-SHA256</me:alg>
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    <me:data type="application/xml">$data</me:data>
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    <me:sig>$sig</me:sig>
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  </me:env>
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</diaspora>
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EOT;
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	logger('diaspora_pubmsg_build: magic_env: ' . $magic_env, LOGGER_DATA);
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	return $magic_env;
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}
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function diaspora_msg_build($msg,$user,$contact,$prvkey,$pubkey,$public = false) {
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	$a = get_app();
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	if($public)
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		return diaspora_pubmsg_build($msg,$user,$contact,$prvkey,$pubkey);
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	logger('diaspora_msg_build: ' . $msg, LOGGER_DATA);
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	// without a public key nothing will work
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	if(! $pubkey) {
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		logger('diaspora_msg_build: pubkey missing: contact id: ' . $contact['id']);
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		return '';
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	}
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	$inner_aes_key = random_string(32);
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	$b_inner_aes_key = base64_encode($inner_aes_key);
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	$inner_iv = random_string(16);
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	$b_inner_iv = base64_encode($inner_iv);
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	$outer_aes_key = random_string(32);
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	$b_outer_aes_key = base64_encode($outer_aes_key);
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	$outer_iv = random_string(16);
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	$b_outer_iv = base64_encode($outer_iv);
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	$handle = $user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
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	$padded_data = pkcs5_pad($msg,16);
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	$inner_encrypted = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $padded_data, MCRYPT_MODE_CBC, $inner_iv);
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	$b64_data = base64_encode($inner_encrypted);
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	$b64url_data = base64url_encode($b64_data);
 | 
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	$data = str_replace(array("\n","\r"," ","\t"),array('','','',''),$b64url_data);
 | 
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	$type = 'application/xml';
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	$encoding = 'base64url';
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	$alg = 'RSA-SHA256';
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	$signable_data = $data  . '.' . base64url_encode($type) . '.'
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		. base64url_encode($encoding) . '.' . base64url_encode($alg) ;
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	$signature = rsa_sign($signable_data,$prvkey);
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	$sig = base64url_encode($signature);
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$decrypted_header = <<< EOT
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<decrypted_header>
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  <iv>$b_inner_iv</iv>
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  <aes_key>$b_inner_aes_key</aes_key>
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  <author_id>$handle</author_id>
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</decrypted_header>
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EOT;
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	$decrypted_header = pkcs5_pad($decrypted_header,16);
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	$ciphertext = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $outer_aes_key, $decrypted_header, MCRYPT_MODE_CBC, $outer_iv);
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	$outer_json = json_encode(array('iv' => $b_outer_iv,'key' => $b_outer_aes_key));
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	$encrypted_outer_key_bundle = '';
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	openssl_public_encrypt($outer_json,$encrypted_outer_key_bundle,$pubkey);
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	$b64_encrypted_outer_key_bundle = base64_encode($encrypted_outer_key_bundle);
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	logger('outer_bundle: ' . $b64_encrypted_outer_key_bundle . ' key: ' . $pubkey, LOGGER_DATA);
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	$encrypted_header_json_object = json_encode(array('aes_key' => base64_encode($encrypted_outer_key_bundle), 
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		'ciphertext' => base64_encode($ciphertext)));
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	$cipher_json = base64_encode($encrypted_header_json_object);
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	$encrypted_header = '<encrypted_header>' . $cipher_json . '</encrypted_header>';
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$magic_env = <<< EOT
 | 
						|
<?xml version='1.0' encoding='UTF-8'?>
 | 
						|
<diaspora xmlns="https://joindiaspora.com/protocol" xmlns:me="http://salmon-protocol.org/ns/magic-env" >
 | 
						|
  $encrypted_header
 | 
						|
  <me:env>
 | 
						|
    <me:encoding>base64url</me:encoding>
 | 
						|
    <me:alg>RSA-SHA256</me:alg>
 | 
						|
    <me:data type="application/xml">$data</me:data>
 | 
						|
    <me:sig>$sig</me:sig>
 | 
						|
  </me:env>
 | 
						|
</diaspora>
 | 
						|
EOT;
 | 
						|
 | 
						|
	logger('diaspora_msg_build: magic_env: ' . $magic_env, LOGGER_DATA);
 | 
						|
	return $magic_env;
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 *
 | 
						|
 * diaspora_decode($importer,$xml)
 | 
						|
 *   array $importer -> from user table
 | 
						|
 *   string $xml -> urldecoded Diaspora salmon 
 | 
						|
 *
 | 
						|
 * Returns array
 | 
						|
 * 'message' -> decoded Diaspora XML message
 | 
						|
 * 'author' -> author diaspora handle
 | 
						|
 * 'key' -> author public key (converted to pkcs#8)
 | 
						|
 *
 | 
						|
 * Author and key are used elsewhere to save a lookup for verifying replies and likes
 | 
						|
 */
 | 
						|
 | 
						|
 | 
						|
function diaspora_decode($importer,$xml) {
 | 
						|
 | 
						|
	$public = false;
 | 
						|
	$basedom = parse_xml_string($xml);
 | 
						|
 | 
						|
	$children = $basedom->children('https://joindiaspora.com/protocol');
 | 
						|
 | 
						|
	if($children->header) {
 | 
						|
		$public = true;
 | 
						|
		$author_link = str_replace('acct:','',$children->header->author_id);
 | 
						|
	}
 | 
						|
	else {
 | 
						|
 | 
						|
		$encrypted_header = json_decode(base64_decode($children->encrypted_header));
 | 
						|
 | 
						|
		$encrypted_aes_key_bundle = base64_decode($encrypted_header->aes_key);
 | 
						|
		$ciphertext = base64_decode($encrypted_header->ciphertext);
 | 
						|
 | 
						|
		$outer_key_bundle = '';
 | 
						|
		openssl_private_decrypt($encrypted_aes_key_bundle,$outer_key_bundle,$importer['prvkey']);
 | 
						|
 | 
						|
		$j_outer_key_bundle = json_decode($outer_key_bundle);
 | 
						|
 | 
						|
		$outer_iv = base64_decode($j_outer_key_bundle->iv);
 | 
						|
		$outer_key = base64_decode($j_outer_key_bundle->key);
 | 
						|
 | 
						|
		$decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $outer_key, $ciphertext, MCRYPT_MODE_CBC, $outer_iv);
 | 
						|
 | 
						|
 | 
						|
		$decrypted = pkcs5_unpad($decrypted);
 | 
						|
 | 
						|
		/**
 | 
						|
		 * $decrypted now contains something like
 | 
						|
		 *
 | 
						|
		 *  <decrypted_header>
 | 
						|
		 *     <iv>8e+G2+ET8l5BPuW0sVTnQw==</iv>
 | 
						|
		 *     <aes_key>UvSMb4puPeB14STkcDWq+4QE302Edu15oaprAQSkLKU=</aes_key>
 | 
						|
 | 
						|
***** OBSOLETE
 | 
						|
 | 
						|
		 *     <author>
 | 
						|
		 *       <name>Ryan Hughes</name>
 | 
						|
		 *       <uri>acct:galaxor@diaspora.pirateship.org</uri>
 | 
						|
		 *     </author>
 | 
						|
 | 
						|
***** CURRENT
 | 
						|
 | 
						|
		 *     <author_id>galaxor@diaspora.priateship.org</author_id>
 | 
						|
 | 
						|
***** END DIFFS
 | 
						|
 | 
						|
		 *  </decrypted_header>
 | 
						|
		 */
 | 
						|
 | 
						|
		logger('decrypted: ' . $decrypted, LOGGER_DEBUG);
 | 
						|
		$idom = parse_xml_string($decrypted,false);
 | 
						|
 | 
						|
		$inner_iv = base64_decode($idom->iv);
 | 
						|
		$inner_aes_key = base64_decode($idom->aes_key);
 | 
						|
 | 
						|
		$author_link = str_replace('acct:','',$idom->author_id);
 | 
						|
 | 
						|
	}
 | 
						|
 | 
						|
	$dom = $basedom->children(NAMESPACE_SALMON_ME);
 | 
						|
 | 
						|
	// figure out where in the DOM tree our data is hiding
 | 
						|
 | 
						|
	if($dom->provenance->data)
 | 
						|
		$base = $dom->provenance;
 | 
						|
	elseif($dom->env->data)
 | 
						|
		$base = $dom->env;
 | 
						|
	elseif($dom->data)
 | 
						|
		$base = $dom;
 | 
						|
 | 
						|
	if(! $base) {
 | 
						|
		logger('mod-diaspora: unable to locate salmon data in xml ');
 | 
						|
		http_status_exit(400);
 | 
						|
	}
 | 
						|
 | 
						|
 | 
						|
	// Stash the signature away for now. We have to find their key or it won't be good for anything.
 | 
						|
	$signature = base64url_decode($base->sig);
 | 
						|
 | 
						|
	// unpack the  data
 | 
						|
 | 
						|
	// strip whitespace so our data element will return to one big base64 blob
 | 
						|
	$data = str_replace(array(" ","\t","\r","\n"),array("","","",""),$base->data);
 | 
						|
 | 
						|
 | 
						|
	// stash away some other stuff for later
 | 
						|
 | 
						|
	$type = $base->data[0]->attributes()->type[0];
 | 
						|
	$keyhash = $base->sig[0]->attributes()->keyhash[0];
 | 
						|
	$encoding = $base->encoding;
 | 
						|
	$alg = $base->alg;
 | 
						|
 | 
						|
 | 
						|
	$signed_data = $data  . '.' . base64url_encode($type) . '.' . base64url_encode($encoding) . '.' . base64url_encode($alg);
 | 
						|
 | 
						|
 | 
						|
	// decode the data
 | 
						|
	$data = base64url_decode($data);
 | 
						|
 | 
						|
 | 
						|
	if($public) {
 | 
						|
		$inner_decrypted = $data;
 | 
						|
	}
 | 
						|
	else {
 | 
						|
 | 
						|
		// Decode the encrypted blob
 | 
						|
 | 
						|
		$inner_encrypted = base64_decode($data);
 | 
						|
		$inner_decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $inner_encrypted, MCRYPT_MODE_CBC, $inner_iv);
 | 
						|
		$inner_decrypted = pkcs5_unpad($inner_decrypted);
 | 
						|
	}
 | 
						|
 | 
						|
	if(! $author_link) {
 | 
						|
		logger('mod-diaspora: Could not retrieve author URI.');
 | 
						|
		http_status_exit(400);
 | 
						|
	}
 | 
						|
 | 
						|
	// Once we have the author URI, go to the web and try to find their public key
 | 
						|
	// (first this will look it up locally if it is in the fcontact cache)
 | 
						|
	// This will also convert diaspora public key from pkcs#1 to pkcs#8
 | 
						|
 | 
						|
	logger('mod-diaspora: Fetching key for ' . $author_link );
 | 
						|
	$key = get_diaspora_key($author_link);
 | 
						|
 | 
						|
	if(! $key) {
 | 
						|
		logger('mod-diaspora: Could not retrieve author key.');
 | 
						|
		http_status_exit(400);
 | 
						|
	}
 | 
						|
 | 
						|
	$verify = rsa_verify($signed_data,$signature,$key);
 | 
						|
 | 
						|
	if(! $verify) {
 | 
						|
		logger('mod-diaspora: Message did not verify. Discarding.');
 | 
						|
		http_status_exit(400);
 | 
						|
	}
 | 
						|
 | 
						|
	logger('mod-diaspora: Message verified.');
 | 
						|
 | 
						|
	return array('message' => $inner_decrypted, 'author' => $author_link, 'key' => $key);
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
function diaspora_request($importer,$xml) {
 | 
						|
 | 
						|
	$a = get_app();
 | 
						|
 | 
						|
	$sender_handle = unxmlify($xml->sender_handle);
 | 
						|
	$recipient_handle = unxmlify($xml->recipient_handle);
 | 
						|
 | 
						|
	if(! $sender_handle || ! $recipient_handle)
 | 
						|
		return;
 | 
						|
 | 
						|
	$contact = diaspora_get_contact_by_handle($importer['uid'],$sender_handle);
 | 
						|
 | 
						|
	if($contact) {
 | 
						|
 | 
						|
		// perhaps we were already sharing with this person. Now they're sharing with us.
 | 
						|
		// That makes us friends.
 | 
						|
 | 
						|
		if($contact['rel'] == CONTACT_IS_FOLLOWER && in_array($importer['page-flags'], array(PAGE_FREELOVE))) {
 | 
						|
			q("UPDATE `contact` SET `rel` = %d, `writable` = 1 WHERE `id` = %d AND `uid` = %d",
 | 
						|
				intval(CONTACT_IS_FRIEND),
 | 
						|
				intval($contact['id']),
 | 
						|
				intval($importer['uid'])
 | 
						|
			);
 | 
						|
		}
 | 
						|
		// send notification
 | 
						|
 | 
						|
		$r = q("SELECT `hide-friends` FROM `profile` WHERE `uid` = %d AND `is-default` = 1 LIMIT 1",
 | 
						|
			intval($importer['uid'])
 | 
						|
		);
 | 
						|
 | 
						|
		if((count($r)) && (!$r[0]['hide-friends']) && (!$contact['hidden']) && intval(get_pconfig($importer['uid'],'system','post_newfriend'))) {
 | 
						|
			require_once('include/items.php');
 | 
						|
 | 
						|
			$self = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
 | 
						|
				intval($importer['uid'])
 | 
						|
			);
 | 
						|
 | 
						|
			// they are not CONTACT_IS_FOLLOWER anymore but that's what we have in the array
 | 
						|
 | 
						|
			if(count($self) && $contact['rel'] == CONTACT_IS_FOLLOWER) {
 | 
						|
 | 
						|
				$arr = array();
 | 
						|
				$arr['uri'] = $arr['parent-uri'] = item_new_uri($a->get_hostname(), $importer['uid']);
 | 
						|
				$arr['uid'] = $importer['uid'];
 | 
						|
				$arr['contact-id'] = $self[0]['id'];
 | 
						|
				$arr['wall'] = 1;
 | 
						|
				$arr['type'] = 'wall';
 | 
						|
				$arr['gravity'] = 0;
 | 
						|
				$arr['origin'] = 1;
 | 
						|
				$arr['author-name'] = $arr['owner-name'] = $self[0]['name'];
 | 
						|
				$arr['author-link'] = $arr['owner-link'] = $self[0]['url'];
 | 
						|
				$arr['author-avatar'] = $arr['owner-avatar'] = $self[0]['thumb'];
 | 
						|
				$arr['verb'] = ACTIVITY_FRIEND;
 | 
						|
				$arr['object-type'] = ACTIVITY_OBJ_PERSON;
 | 
						|
 | 
						|
				$A = '[url=' . $self[0]['url'] . ']' . $self[0]['name'] . '[/url]';
 | 
						|
				$B = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
 | 
						|
				$BPhoto = '[url=' . $contact['url'] . ']' . '[img]' . $contact['thumb'] . '[/img][/url]';
 | 
						|
				$arr['body'] =  sprintf( t('%1$s is now friends with %2$s'), $A, $B)."\n\n\n".$Bphoto;
 | 
						|
 | 
						|
				$arr['object'] = '<object><type>' . ACTIVITY_OBJ_PERSON . '</type><title>' . $contact['name'] . '</title>'
 | 
						|
					. '<id>' . $contact['url'] . '/' . $contact['name'] . '</id>';
 | 
						|
				$arr['object'] .= '<link>' . xmlify('<link rel="alternate" type="text/html" href="' . $contact['url'] . '" />' . "\n");
 | 
						|
				$arr['object'] .= xmlify('<link rel="photo" type="image/jpeg" href="' . $contact['thumb'] . '" />' . "\n");
 | 
						|
				$arr['object'] .= '</link></object>' . "\n";
 | 
						|
				$arr['last-child'] = 1;
 | 
						|
 | 
						|
				$arr['allow_cid'] = $user[0]['allow_cid'];
 | 
						|
				$arr['allow_gid'] = $user[0]['allow_gid'];
 | 
						|
				$arr['deny_cid']  = $user[0]['deny_cid'];
 | 
						|
				$arr['deny_gid']  = $user[0]['deny_gid'];
 | 
						|
 | 
						|
				$i = item_store($arr);
 | 
						|
				if($i)
 | 
						|
				proc_run('php',"include/notifier.php","activity","$i");
 | 
						|
 | 
						|
			}
 | 
						|
 | 
						|
		}
 | 
						|
 | 
						|
		return;
 | 
						|
	}
 | 
						|
 | 
						|
	$ret = find_diaspora_person_by_handle($sender_handle);
 | 
						|
 | 
						|
 | 
						|
	if((! count($ret)) || ($ret['network'] != NETWORK_DIASPORA)) {
 | 
						|
		logger('diaspora_request: Cannot resolve diaspora handle ' . $sender_handle . ' for ' . $recipient_handle);
 | 
						|
		return;
 | 
						|
	}
 | 
						|
 | 
						|
	$batch = (($ret['batch']) ? $ret['batch'] : implode('/', array_slice(explode('/',$ret['url']),0,3)) . '/receive/public');
 | 
						|
 | 
						|
 | 
						|
 | 
						|
	$r = q("INSERT INTO `contact` (`uid`, `network`,`addr`,`created`,`url`,`nurl`,`batch`,`name`,`nick`,`photo`,`pubkey`,`notify`,`poll`,`blocked`,`priority`)
 | 
						|
		VALUES ( %d, '%s', '%s', '%s', '%s','%s','%s','%s','%s','%s','%s','%s','%s',%d,%d) ",
 | 
						|
		intval($importer['uid']),
 | 
						|
		dbesc($ret['network']),
 | 
						|
		dbesc($ret['addr']),
 | 
						|
		datetime_convert(),
 | 
						|
		dbesc($ret['url']),
 | 
						|
		dbesc(normalise_link($ret['url'])),
 | 
						|
		dbesc($batch),
 | 
						|
		dbesc($ret['name']),
 | 
						|
		dbesc($ret['nick']),
 | 
						|
		dbesc($ret['photo']),
 | 
						|
		dbesc($ret['pubkey']),
 | 
						|
		dbesc($ret['notify']),
 | 
						|
		dbesc($ret['poll']),
 | 
						|
		1,
 | 
						|
		2
 | 
						|
	);
 | 
						|
 | 
						|
	// find the contact record we just created
 | 
						|
 | 
						|
	$contact_record = diaspora_get_contact_by_handle($importer['uid'],$sender_handle);
 | 
						|
 | 
						|
	if(! $contact_record) {
 | 
						|
		logger('diaspora_request: unable to locate newly created contact record.');
 | 
						|
		return;
 | 
						|
	}
 | 
						|
 | 
						|
	$g = q("select def_gid from user where uid = %d limit 1",
 | 
						|
		intval($importer['uid'])
 | 
						|
	);
 | 
						|
	if($g && intval($g[0]['def_gid'])) {
 | 
						|
		require_once('include/group.php');
 | 
						|
		group_add_member($importer['uid'],'',$contact_record['id'],$g[0]['def_gid']);
 | 
						|
	}
 | 
						|
 | 
						|
	if($importer['page-flags'] == PAGE_NORMAL) {
 | 
						|
 | 
						|
		$hash = random_string() . (string) time();   // Generate a confirm_key
 | 
						|
 | 
						|
		$ret = q("INSERT INTO `intro` ( `uid`, `contact-id`, `blocked`, `knowyou`, `note`, `hash`, `datetime` )
 | 
						|
			VALUES ( %d, %d, %d, %d, '%s', '%s', '%s' )",
 | 
						|
			intval($importer['uid']),
 | 
						|
			intval($contact_record['id']),
 | 
						|
			0,
 | 
						|
			0,
 | 
						|
			dbesc( t('Sharing notification from Diaspora network')),
 | 
						|
			dbesc($hash),
 | 
						|
			dbesc(datetime_convert())
 | 
						|
		);
 | 
						|
	}
 | 
						|
	else {
 | 
						|
 | 
						|
		// automatic friend approval
 | 
						|
 | 
						|
		require_once('include/Photo.php');
 | 
						|
 | 
						|
		$photos = import_profile_photo($contact_record['photo'],$importer['uid'],$contact_record['id']);
 | 
						|
 | 
						|
		// technically they are sharing with us (CONTACT_IS_SHARING),
 | 
						|
		// but if our page-type is PAGE_COMMUNITY or PAGE_SOAPBOX
 | 
						|
		// we are going to change the relationship and make them a follower.
 | 
						|
 | 
						|
		if($importer['page-flags'] == PAGE_FREELOVE)
 | 
						|
			$new_relation = CONTACT_IS_FRIEND;
 | 
						|
		else
 | 
						|
			$new_relation = CONTACT_IS_FOLLOWER;
 | 
						|
 | 
						|
		$r = q("UPDATE `contact` SET
 | 
						|
			`photo` = '%s',
 | 
						|
			`thumb` = '%s',
 | 
						|
			`micro` = '%s',
 | 
						|
			`rel` = %d,
 | 
						|
			`name-date` = '%s',
 | 
						|
			`uri-date` = '%s',
 | 
						|
			`avatar-date` = '%s',
 | 
						|
			`blocked` = 0,
 | 
						|
			`pending` = 0,
 | 
						|
			`writable` = 1
 | 
						|
			WHERE `id` = %d
 | 
						|
			",
 | 
						|
			dbesc($photos[0]),
 | 
						|
			dbesc($photos[1]),
 | 
						|
			dbesc($photos[2]),
 | 
						|
			intval($new_relation),
 | 
						|
			dbesc(datetime_convert()),
 | 
						|
			dbesc(datetime_convert()),
 | 
						|
			dbesc(datetime_convert()),
 | 
						|
			intval($contact_record['id'])
 | 
						|
		);
 | 
						|
 | 
						|
		$u = q("select * from user where uid = %d limit 1",intval($importer['uid']));
 | 
						|
		if($u)
 | 
						|
			$ret = diaspora_share($u[0],$contact_record);
 | 
						|
	}
 | 
						|
 | 
						|
	return;
 | 
						|
}
 | 
						|
 | 
						|
function diaspora_post_allow($importer,$contact, $is_comment = false) {
 | 
						|
 | 
						|
	// perhaps we were already sharing with this person. Now they're sharing with us.
 | 
						|
	// That makes us friends.
 | 
						|
	// Normally this should have handled by getting a request - but this could get lost
 | 
						|
	if($contact['rel'] == CONTACT_IS_FOLLOWER && in_array($importer['page-flags'], array(PAGE_FREELOVE))) {
 | 
						|
		q("UPDATE `contact` SET `rel` = %d, `writable` = 1 WHERE `id` = %d AND `uid` = %d",
 | 
						|
			intval(CONTACT_IS_FRIEND),
 | 
						|
			intval($contact['id']),
 | 
						|
			intval($importer['uid'])
 | 
						|
		);
 | 
						|
		$contact['rel'] = CONTACT_IS_FRIEND;
 | 
						|
		logger('diaspora_post_allow: defining user '.$contact["nick"].' as friend');
 | 
						|
	}
 | 
						|
 | 
						|
	if(($contact['blocked']) || ($contact['readonly']) || ($contact['archive']))
 | 
						|
		return false;
 | 
						|
	if($contact['rel'] == CONTACT_IS_SHARING || $contact['rel'] == CONTACT_IS_FRIEND)
 | 
						|
		return true;
 | 
						|
	if($contact['rel'] == CONTACT_IS_FOLLOWER)
 | 
						|
		if(($importer['page-flags'] == PAGE_COMMUNITY) OR $is_comment)
 | 
						|
			return true;
 | 
						|
 | 
						|
	// Messages for the global users are always accepted
 | 
						|
	if ($importer['uid'] == 0)
 | 
						|
		return true;
 | 
						|
 | 
						|
	return false;
 | 
						|
}
 | 
						|
 | 
						|
function diaspora_is_redmatrix($url) {
 | 
						|
	return(strstr($url, "/channel/"));
 | 
						|
}
 | 
						|
 | 
						|
function diaspora_plink($addr, $guid) {
 | 
						|
	$r = q("SELECT `url`, `nick`, `network` FROM `fcontact` WHERE `addr`='%s' LIMIT 1", dbesc($addr));
 | 
						|
 | 
						|
	// Fallback
 | 
						|
	if (!$r)
 | 
						|
		return 'https://'.substr($addr,strpos($addr,'@')+1).'/posts/'.$guid;
 | 
						|
 | 
						|
	// Friendica contacts are often detected as Diaspora contacts in the "fcontact" table
 | 
						|
	// So we try another way as well.
 | 
						|
	$s = q("SELECT `network` FROM `gcontact` WHERE `nurl`='%s' LIMIT 1", dbesc(normalise_link($r[0]["url"])));
 | 
						|
	if ($s)
 | 
						|
		$r[0]["network"] = $s[0]["network"];
 | 
						|
 | 
						|
	if ($r[0]["network"] == NETWORK_DFRN)
 | 
						|
		return(str_replace("/profile/".$r[0]["nick"]."/", "/display/".$guid, $r[0]["url"]."/"));
 | 
						|
 | 
						|
	if (diaspora_is_redmatrix($r[0]["url"]))
 | 
						|
		return $r[0]["url"]."/?f=&mid=".$guid;
 | 
						|
 | 
						|
	return 'https://'.substr($addr,strpos($addr,'@')+1).'/posts/'.$guid;
 | 
						|
}
 | 
						|
 | 
						|
function diaspora_repair_signature($signature, $handle = "", $level = 1) {
 | 
						|
 | 
						|
	if ($signature == "")
 | 
						|
		return($signature);
 | 
						|
 | 
						|
	if (base64_encode(base64_decode(base64_decode($signature))) == base64_decode($signature)) {
 | 
						|
		$signature = base64_decode($signature);
 | 
						|
		logger("Repaired double encoded signature from Diaspora/Hubzilla handle ".$handle." - level ".$level, LOGGER_DEBUG);
 | 
						|
 | 
						|
		// Do a recursive call to be able to fix even multiple levels
 | 
						|
		if ($level < 10)
 | 
						|
			$signature = diaspora_repair_signature($signature, $handle, ++$level);
 | 
						|
	}
 | 
						|
 | 
						|
	return($signature);
 | 
						|
}
 | 
						|
 | 
						|
function diaspora_post($importer,$xml,$msg) {
 | 
						|
 | 
						|
	$a = get_app();
 | 
						|
	$guid = notags(unxmlify($xml->guid));
 | 
						|
	$diaspora_handle = notags(unxmlify($xml->diaspora_handle));
 | 
						|
 | 
						|
	if($diaspora_handle != $msg['author']) {
 | 
						|
		logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
 | 
						|
		return 202;
 | 
						|
	}
 | 
						|
 | 
						|
	$contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
 | 
						|
	if(! $contact) {
 | 
						|
		logger('diaspora_post: A Contact for handle '.$diaspora_handle.' and user '.$importer['uid'].' was not found');
 | 
						|
		return 203;
 | 
						|
	}
 | 
						|
 | 
						|
	if(! diaspora_post_allow($importer,$contact, false)) {
 | 
						|
		logger('diaspora_post: Ignoring this author.');
 | 
						|
		return 202;
 | 
						|
	}
 | 
						|
 | 
						|
	$message_id = $diaspora_handle . ':' . $guid;
 | 
						|
	$r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
 | 
						|
		intval($importer['uid']),
 | 
						|
		dbesc($guid)
 | 
						|
	);
 | 
						|
	if(count($r)) {
 | 
						|
		logger('diaspora_post: message exists: ' . $guid);
 | 
						|
		return 208;
 | 
						|
	}
 | 
						|
 | 
						|
	$created = unxmlify($xml->created_at);
 | 
						|
	$private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
 | 
						|
 | 
						|
	$body = diaspora2bb($xml->raw_message);
 | 
						|
 | 
						|
	$datarray = array();
 | 
						|
 | 
						|
	$datarray["object"] = json_encode($xml);
 | 
						|
 | 
						|
	if($xml->photo->remote_photo_path AND $xml->photo->remote_photo_name)
 | 
						|
		$datarray["object-type"] = ACTIVITY_OBJ_PHOTO;
 | 
						|
	else {
 | 
						|
		$datarray['object-type'] = ACTIVITY_OBJ_NOTE;
 | 
						|
		// Add OEmbed and other information to the body
 | 
						|
		if (!diaspora_is_redmatrix($contact['url']))
 | 
						|
			$body = add_page_info_to_body($body, false, true);
 | 
						|
	}
 | 
						|
 | 
						|
	$str_tags = '';
 | 
						|
 | 
						|
	$cnt = preg_match_all('/@\[url=(.*?)\[\/url\]/ism',$body,$matches,PREG_SET_ORDER);
 | 
						|
	if($cnt) {
 | 
						|
		foreach($matches as $mtch) {
 | 
						|
			if(strlen($str_tags))
 | 
						|
				$str_tags .= ',';
 | 
						|
			$str_tags .= '@[url=' . $mtch[1] . '[/url]';
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	$plink = diaspora_plink($diaspora_handle, $guid);
 | 
						|
 | 
						|
	$datarray['uid'] = $importer['uid'];
 | 
						|
	$datarray['contact-id'] = $contact['id'];
 | 
						|
	$datarray['wall'] = 0;
 | 
						|
	$datarray['network'] = NETWORK_DIASPORA;
 | 
						|
	$datarray['verb'] = ACTIVITY_POST;
 | 
						|
	$datarray['guid'] = $guid;
 | 
						|
	$datarray['uri'] = $datarray['parent-uri'] = $message_id;
 | 
						|
	$datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
 | 
						|
	$datarray['private'] = $private;
 | 
						|
	$datarray['parent'] = 0;
 | 
						|
	$datarray['plink'] = $plink;
 | 
						|
	$datarray['owner-name'] = $contact['name'];
 | 
						|
	$datarray['owner-link'] = $contact['url'];
 | 
						|
	//$datarray['owner-avatar'] = $contact['thumb'];
 | 
						|
	$datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
 | 
						|
	$datarray['author-name'] = $contact['name'];
 | 
						|
	$datarray['author-link'] = $contact['url'];
 | 
						|
	$datarray['author-avatar'] = $contact['thumb'];
 | 
						|
	$datarray['body'] = $body;
 | 
						|
	$datarray['tag'] = $str_tags;
 | 
						|
	if ($xml->provider_display_name)
 | 
						|
		$datarray["app"] = unxmlify($xml->provider_display_name);
 | 
						|
	else
 | 
						|
		$datarray['app']  = 'Diaspora';
 | 
						|
 | 
						|
	// if empty content it might be a photo that hasn't arrived yet. If a photo arrives, we'll make it visible.
 | 
						|
 | 
						|
	$datarray['visible'] = ((strlen($body)) ? 1 : 0);
 | 
						|
 | 
						|
	DiasporaFetchGuid($datarray);
 | 
						|
	$message_id = item_store($datarray);
 | 
						|
 | 
						|
	logger("Stored item with message id ".$message_id, LOGGER_DEBUG);
 | 
						|
 | 
						|
	return 201;
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
function DiasporaFetchGuid($item) {
 | 
						|
	preg_replace_callback("&\[url=/posts/([^\[\]]*)\](.*)\[\/url\]&Usi",
 | 
						|
		function ($match) use ($item){
 | 
						|
			return(DiasporaFetchGuidSub($match, $item));
 | 
						|
		},$item["body"]);
 | 
						|
}
 | 
						|
 | 
						|
function DiasporaFetchGuidSub($match, $item) {
 | 
						|
	$a = get_app();
 | 
						|
 | 
						|
	if (!diaspora_store_by_guid($match[1], $item["author-link"]))
 | 
						|
		diaspora_store_by_guid($match[1], $item["owner-link"]);
 | 
						|
}
 | 
						|
 | 
						|
function diaspora_store_by_guid($guid, $server, $uid = 0) {
 | 
						|
	require_once("include/Contact.php");
 | 
						|
 | 
						|
	$serverparts = parse_url($server);
 | 
						|
	$server = $serverparts["scheme"]."://".$serverparts["host"];
 | 
						|
 | 
						|
	logger("Trying to fetch item ".$guid." from ".$server, LOGGER_DEBUG);
 | 
						|
 | 
						|
	$item = diaspora_fetch_message($guid, $server);
 | 
						|
 | 
						|
	if (!$item)
 | 
						|
		return false;
 | 
						|
 | 
						|
	logger("Successfully fetched item ".$guid." from ".$server, LOGGER_DEBUG);
 | 
						|
 | 
						|
	$body = $item["body"];
 | 
						|
	$str_tags = $item["tag"];
 | 
						|
	$app = $item["app"];
 | 
						|
	$created = $item["created"];
 | 
						|
	$author = $item["author"];
 | 
						|
	$guid = $item["guid"];
 | 
						|
	$private = $item["private"];
 | 
						|
	$object = $item["object"];
 | 
						|
	$objecttype = $item["object-type"];
 | 
						|
 | 
						|
	$message_id = $author.':'.$guid;
 | 
						|
	$r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
 | 
						|
		intval($uid),
 | 
						|
		dbesc($guid)
 | 
						|
	);
 | 
						|
	if(count($r))
 | 
						|
		return $r[0]["id"];
 | 
						|
 | 
						|
	$person = find_diaspora_person_by_handle($author);
 | 
						|
 | 
						|
	$contact_id = get_contact($person['url'], $uid);
 | 
						|
 | 
						|
	$contacts = q("SELECT * FROM `contact` WHERE `id` = %d", intval($contact_id));
 | 
						|
	$importers = q("SELECT * FROM `user` WHERE `uid` = %d", intval($uid));
 | 
						|
 | 
						|
	if ($contacts AND $importers)
 | 
						|
		if(!diaspora_post_allow($importers[0],$contacts[0], false)) {
 | 
						|
			logger('Ignoring author '.$person['url'].' for uid '.$uid);
 | 
						|
			return false;
 | 
						|
		} else
 | 
						|
			logger('Author '.$person['url'].' is allowed for uid '.$uid);
 | 
						|
 | 
						|
	$datarray = array();
 | 
						|
	$datarray['uid'] = $uid;
 | 
						|
	$datarray['contact-id'] = $contact_id;
 | 
						|
	$datarray['wall'] = 0;
 | 
						|
	$datarray['network']  = NETWORK_DIASPORA;
 | 
						|
	$datarray['guid'] = $guid;
 | 
						|
	$datarray['uri'] = $datarray['parent-uri'] = $message_id;
 | 
						|
	$datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
 | 
						|
	$datarray['private'] = $private;
 | 
						|
	$datarray['parent'] = 0;
 | 
						|
	$datarray['plink'] = diaspora_plink($author, $guid);
 | 
						|
	$datarray['author-name'] = $person['name'];
 | 
						|
	$datarray['author-link'] = $person['url'];
 | 
						|
	$datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
 | 
						|
	$datarray['owner-name'] = $datarray['author-name'];
 | 
						|
	$datarray['owner-link'] = $datarray['author-link'];
 | 
						|
	$datarray['owner-avatar'] = $datarray['author-avatar'];
 | 
						|
	$datarray['body'] = $body;
 | 
						|
	$datarray['tag'] = $str_tags;
 | 
						|
	$datarray['app']  = $app;
 | 
						|
	$datarray['visible'] = ((strlen($body)) ? 1 : 0);
 | 
						|
	$datarray['object'] = $object;
 | 
						|
	$datarray['object-type'] = $objecttype;
 | 
						|
 | 
						|
	if ($datarray['contact-id'] == 0)
 | 
						|
		return false;
 | 
						|
 | 
						|
	DiasporaFetchGuid($datarray);
 | 
						|
	$message_id = item_store($datarray);
 | 
						|
 | 
						|
	/// @TODO
 | 
						|
	/// Looking if there is some subscribe mechanism in Diaspora to get all comments for this post
 | 
						|
 | 
						|
	return $message_id;
 | 
						|
}
 | 
						|
 | 
						|
function diaspora_fetch_message($guid, $server, $level = 0) {
 | 
						|
 | 
						|
	if ($level > 5)
 | 
						|
		return false;
 | 
						|
 | 
						|
	$a = get_app();
 | 
						|
 | 
						|
	// This will not work if the server is not a Diaspora server
 | 
						|
	$source_url = $server.'/p/'.$guid.'.xml';
 | 
						|
	$x = fetch_url($source_url);
 | 
						|
	if(!$x)
 | 
						|
		return false;
 | 
						|
 | 
						|
	$x = str_replace(array('<activity_streams-photo>','</activity_streams-photo>'),array('<asphoto>','</asphoto>'),$x);
 | 
						|
	$source_xml = parse_xml_string($x,false);
 | 
						|
 | 
						|
	$item = array();
 | 
						|
	$item["app"] = 'Diaspora';
 | 
						|
	$item["guid"] = $guid;
 | 
						|
	$body = "";
 | 
						|
 | 
						|
	if ($source_xml->post->status_message->created_at)
 | 
						|
		$item["created"] = unxmlify($source_xml->post->status_message->created_at);
 | 
						|
 | 
						|
	if ($source_xml->post->status_message->provider_display_name)
 | 
						|
		$item["app"] = unxmlify($source_xml->post->status_message->provider_display_name);
 | 
						|
 | 
						|
	if ($source_xml->post->status_message->diaspora_handle)
 | 
						|
		$item["author"] = unxmlify($source_xml->post->status_message->diaspora_handle);
 | 
						|
 | 
						|
	if ($source_xml->post->status_message->guid)
 | 
						|
		$item["guid"] = unxmlify($source_xml->post->status_message->guid);
 | 
						|
 | 
						|
	$item["private"] = (unxmlify($source_xml->post->status_message->public) == 'false');
 | 
						|
	$item["object"] = json_encode($source_xml->post);
 | 
						|
 | 
						|
	if(strlen($source_xml->post->asphoto->objectId) && ($source_xml->post->asphoto->objectId != 0) && ($source_xml->post->asphoto->image_url)) {
 | 
						|
		$item["object-type"] = ACTIVITY_OBJ_PHOTO;
 | 
						|
		$body = '[url=' . notags(unxmlify($source_xml->post->asphoto->image_url)) . '][img]' . notags(unxmlify($source_xml->post->asphoto->objectId)) . '[/img][/url]' . "\n";
 | 
						|
		$body = scale_external_images($body,false);
 | 
						|
	} elseif($source_xml->post->asphoto->image_url) {
 | 
						|
		$item["object-type"] = ACTIVITY_OBJ_PHOTO;
 | 
						|
		$body = '[img]' . notags(unxmlify($source_xml->post->asphoto->image_url)) . '[/img]' . "\n";
 | 
						|
		$body = scale_external_images($body);
 | 
						|
	} elseif($source_xml->post->status_message) {
 | 
						|
		$body = diaspora2bb($source_xml->post->status_message->raw_message);
 | 
						|
 | 
						|
		// Checking for embedded pictures
 | 
						|
		if($source_xml->post->status_message->photo->remote_photo_path AND
 | 
						|
			$source_xml->post->status_message->photo->remote_photo_name) {
 | 
						|
 | 
						|
			$item["object-type"] = ACTIVITY_OBJ_PHOTO;
 | 
						|
 | 
						|
			$remote_photo_path = notags(unxmlify($source_xml->post->status_message->photo->remote_photo_path));
 | 
						|
			$remote_photo_name = notags(unxmlify($source_xml->post->status_message->photo->remote_photo_name));
 | 
						|
 | 
						|
			$body = '[img]'.$remote_photo_path.$remote_photo_name.'[/img]'."\n".$body;
 | 
						|
 | 
						|
			logger('embedded picture link found: '.$body, LOGGER_DEBUG);
 | 
						|
		} else
 | 
						|
			$item["object-type"] = ACTIVITY_OBJ_NOTE;
 | 
						|
 | 
						|
		$body = scale_external_images($body);
 | 
						|
 | 
						|
		// Add OEmbed and other information to the body
 | 
						|
		/// @TODO It could be a repeated redmatrix item
 | 
						|
		/// Then we shouldn't add further data to it
 | 
						|
		if ($item["object-type"] == ACTIVITY_OBJ_NOTE)
 | 
						|
			$body = add_page_info_to_body($body, false, true);
 | 
						|
 | 
						|
	} elseif($source_xml->post->reshare) {
 | 
						|
		// Reshare of a reshare
 | 
						|
		return diaspora_fetch_message($source_xml->post->reshare->root_guid, $server, ++$level);
 | 
						|
	} else {
 | 
						|
		// Maybe it is a reshare of a photo that will be delivered at a later time (testing)
 | 
						|
		logger('no content found: '.print_r($source_xml,true));
 | 
						|
		return false;
 | 
						|
	}
 | 
						|
 | 
						|
	if (trim($body) == "")
 | 
						|
		return false;
 | 
						|
 | 
						|
	$item["tag"] = '';
 | 
						|
	$item["body"] = $body;
 | 
						|
 | 
						|
	return $item;
 | 
						|
}
 | 
						|
 | 
						|
function diaspora_reshare($importer,$xml,$msg) {
 | 
						|
 | 
						|
	logger('diaspora_reshare: init: ' . print_r($xml,true));
 | 
						|
 | 
						|
	$a = get_app();
 | 
						|
	$guid = notags(unxmlify($xml->guid));
 | 
						|
	$diaspora_handle = notags(unxmlify($xml->diaspora_handle));
 | 
						|
 | 
						|
 | 
						|
	if($diaspora_handle != $msg['author']) {
 | 
						|
		logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
 | 
						|
		return 202;
 | 
						|
	}
 | 
						|
 | 
						|
	$contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
 | 
						|
	if(! $contact)
 | 
						|
		return;
 | 
						|
 | 
						|
	if(! diaspora_post_allow($importer,$contact, false)) {
 | 
						|
		logger('diaspora_reshare: Ignoring this author: ' . $diaspora_handle . ' ' . print_r($xml,true));
 | 
						|
		return 202;
 | 
						|
	}
 | 
						|
 | 
						|
	$message_id = $diaspora_handle . ':' . $guid;
 | 
						|
	$r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
 | 
						|
		intval($importer['uid']),
 | 
						|
		dbesc($guid)
 | 
						|
	);
 | 
						|
	if(count($r)) {
 | 
						|
		logger('diaspora_reshare: message exists: ' . $guid);
 | 
						|
		return;
 | 
						|
	}
 | 
						|
 | 
						|
	$orig_author = notags(unxmlify($xml->root_diaspora_id));
 | 
						|
	$orig_guid = notags(unxmlify($xml->root_guid));
 | 
						|
	$orig_url = $a->get_baseurl()."/display/".$orig_guid;
 | 
						|
 | 
						|
	$create_original_post = false;
 | 
						|
 | 
						|
	// Do we already have this item?
 | 
						|
	$r = q("SELECT `body`, `tag`, `app`, `created`, `plink`, `object`, `object-type`, `uri` FROM `item` WHERE `guid` = '%s' AND `visible` AND NOT `deleted` AND `body` != '' LIMIT 1",
 | 
						|
		dbesc($orig_guid),
 | 
						|
		dbesc(NETWORK_DIASPORA)
 | 
						|
	);
 | 
						|
	if(count($r)) {
 | 
						|
		logger('reshared message '.$orig_guid." reshared by ".$guid.' already exists on system.');
 | 
						|
 | 
						|
		// Maybe it is already a reshared item?
 | 
						|
		// Then refetch the content, since there can be many side effects with reshared posts from other networks or reshares from reshares
 | 
						|
		require_once('include/api.php');
 | 
						|
		if (api_share_as_retweet($r[0]))
 | 
						|
			$r = array();
 | 
						|
		else {
 | 
						|
			$body = $r[0]["body"];
 | 
						|
			$str_tags = $r[0]["tag"];
 | 
						|
			$app = $r[0]["app"];
 | 
						|
			$orig_created = $r[0]["created"];
 | 
						|
			$orig_plink = $r[0]["plink"];
 | 
						|
			$orig_uri = $r[0]["uri"];
 | 
						|
			$object = $r[0]["object"];
 | 
						|
			$objecttype = $r[0]["object-type"];
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	if (!count($r)) {
 | 
						|
		$body = "";
 | 
						|
		$str_tags = "";
 | 
						|
		$app = "";
 | 
						|
 | 
						|
		$server = 'https://'.substr($orig_author,strpos($orig_author,'@')+1);
 | 
						|
		logger('1st try: reshared message '.$orig_guid." reshared by ".$guid.' will be fetched from original server: '.$server);
 | 
						|
		$item = diaspora_fetch_message($orig_guid, $server);
 | 
						|
 | 
						|
		if (!$item) {
 | 
						|
			$server = 'https://'.substr($diaspora_handle,strpos($diaspora_handle,'@')+1);
 | 
						|
			logger('2nd try: reshared message '.$orig_guid." reshared by ".$guid." will be fetched from sharer's server: ".$server);
 | 
						|
			$item = diaspora_fetch_message($orig_guid, $server);
 | 
						|
		}
 | 
						|
		if (!$item) {
 | 
						|
			$server = 'http://'.substr($orig_author,strpos($orig_author,'@')+1);
 | 
						|
			logger('3rd try: reshared message '.$orig_guid." reshared by ".$guid.' will be fetched from original server: '.$server);
 | 
						|
			$item = diaspora_fetch_message($orig_guid, $server);
 | 
						|
		}
 | 
						|
		if (!$item) {
 | 
						|
			$server = 'http://'.substr($diaspora_handle,strpos($diaspora_handle,'@')+1);
 | 
						|
			logger('4th try: reshared message '.$orig_guid." reshared by ".$guid." will be fetched from sharer's server: ".$server);
 | 
						|
			$item = diaspora_fetch_message($orig_guid, $server);
 | 
						|
		}
 | 
						|
 | 
						|
		if ($item) {
 | 
						|
			$body = $item["body"];
 | 
						|
			$str_tags = $item["tag"];
 | 
						|
			$app = $item["app"];
 | 
						|
			$orig_created = $item["created"];
 | 
						|
			$orig_author = $item["author"];
 | 
						|
			$orig_guid = $item["guid"];
 | 
						|
			$orig_plink = diaspora_plink($orig_author, $orig_guid);
 | 
						|
			$orig_uri = $orig_author.':'.$orig_guid;
 | 
						|
			$create_original_post = ($body != "");
 | 
						|
			$object = $item["object"];
 | 
						|
			$objecttype = $item["object-type"];
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	$plink = diaspora_plink($diaspora_handle, $guid);
 | 
						|
 | 
						|
	$person = find_diaspora_person_by_handle($orig_author);
 | 
						|
 | 
						|
	$created = unxmlify($xml->created_at);
 | 
						|
	$private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
 | 
						|
 | 
						|
	$datarray = array();
 | 
						|
 | 
						|
	$datarray['uid'] = $importer['uid'];
 | 
						|
	$datarray['contact-id'] = $contact['id'];
 | 
						|
	$datarray['wall'] = 0;
 | 
						|
	$datarray['network']  = NETWORK_DIASPORA;
 | 
						|
	$datarray['guid'] = $guid;
 | 
						|
	$datarray['uri'] = $datarray['parent-uri'] = $message_id;
 | 
						|
	$datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
 | 
						|
	$datarray['private'] = $private;
 | 
						|
	$datarray['parent'] = 0;
 | 
						|
	$datarray['plink'] = $plink;
 | 
						|
	$datarray['owner-name'] = $contact['name'];
 | 
						|
	$datarray['owner-link'] = $contact['url'];
 | 
						|
	$datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
 | 
						|
	if (!intval(get_config('system','wall-to-wall_share'))) {
 | 
						|
		$prefix = share_header($person['name'], $person['url'], ((x($person,'thumb')) ? $person['thumb'] : $person['photo']), $orig_guid, $orig_created, $orig_url);
 | 
						|
 | 
						|
		$datarray['author-name'] = $contact['name'];
 | 
						|
		$datarray['author-link'] = $contact['url'];
 | 
						|
		$datarray['author-avatar'] = $contact['thumb'];
 | 
						|
		$datarray['body'] = $prefix.$body."[/share]";
 | 
						|
	} else {
 | 
						|
		// Let reshared messages look like wall-to-wall posts
 | 
						|
		$datarray['author-name'] = $person['name'];
 | 
						|
		$datarray['author-link'] = $person['url'];
 | 
						|
		$datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
 | 
						|
		$datarray['body'] = $body;
 | 
						|
	}
 | 
						|
 | 
						|
	$datarray["object"] = json_encode($xml);
 | 
						|
	$datarray['object-type'] = $objecttype;
 | 
						|
 | 
						|
	$datarray['tag'] = $str_tags;
 | 
						|
	$datarray['app']  = $app;
 | 
						|
 | 
						|
	// if empty content it might be a photo that hasn't arrived yet. If a photo arrives, we'll make it visible. (testing)
 | 
						|
	$datarray['visible'] = ((strlen($body)) ? 1 : 0);
 | 
						|
 | 
						|
	// Store the original item of a reshare
 | 
						|
	if ($create_original_post) {
 | 
						|
		require_once("include/Contact.php");
 | 
						|
 | 
						|
		$datarray2 = $datarray;
 | 
						|
 | 
						|
		$datarray2['uid'] = 0;
 | 
						|
		$datarray2['contact-id'] = get_contact($person['url'], 0);
 | 
						|
		$datarray2['guid'] = $orig_guid;
 | 
						|
		$datarray2['uri'] = $datarray2['parent-uri'] = $orig_uri;
 | 
						|
		$datarray2['changed'] = $datarray2['created'] = $datarray2['edited'] = $datarray2['commented'] = $datarray2['received'] = datetime_convert('UTC','UTC',$orig_created);
 | 
						|
		$datarray2['parent'] = 0;
 | 
						|
		$datarray2['plink'] = $orig_plink;
 | 
						|
 | 
						|
		$datarray2['author-name'] = $person['name'];
 | 
						|
		$datarray2['author-link'] = $person['url'];
 | 
						|
		$datarray2['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
 | 
						|
		$datarray2['owner-name'] = $datarray2['author-name'];
 | 
						|
		$datarray2['owner-link'] = $datarray2['author-link'];
 | 
						|
		$datarray2['owner-avatar'] = $datarray2['author-avatar'];
 | 
						|
		$datarray2['body'] = $body;
 | 
						|
		$datarray2["object"] = $object;
 | 
						|
 | 
						|
		DiasporaFetchGuid($datarray2);
 | 
						|
		$message_id = item_store($datarray2);
 | 
						|
 | 
						|
		logger("Store original item ".$orig_guid." under message id ".$message_id);
 | 
						|
	}
 | 
						|
 | 
						|
	DiasporaFetchGuid($datarray);
 | 
						|
	$message_id = item_store($datarray);
 | 
						|
 | 
						|
	return;
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
function diaspora_asphoto($importer,$xml,$msg) {
 | 
						|
	logger('diaspora_asphoto called');
 | 
						|
 | 
						|
	$a = get_app();
 | 
						|
	$guid = notags(unxmlify($xml->guid));
 | 
						|
	$diaspora_handle = notags(unxmlify($xml->diaspora_handle));
 | 
						|
 | 
						|
	if($diaspora_handle != $msg['author']) {
 | 
						|
		logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
 | 
						|
		return 202;
 | 
						|
	}
 | 
						|
 | 
						|
	$contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
 | 
						|
	if(! $contact)
 | 
						|
		return;
 | 
						|
 | 
						|
	if(! diaspora_post_allow($importer,$contact, false)) {
 | 
						|
		logger('diaspora_asphoto: Ignoring this author.');
 | 
						|
		return 202;
 | 
						|
	}
 | 
						|
 | 
						|
	$message_id = $diaspora_handle . ':' . $guid;
 | 
						|
	$r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
 | 
						|
		intval($importer['uid']),
 | 
						|
		dbesc($guid)
 | 
						|
	);
 | 
						|
	if(count($r)) {
 | 
						|
		logger('diaspora_asphoto: message exists: ' . $guid);
 | 
						|
		return;
 | 
						|
	}
 | 
						|
 | 
						|
	$created = unxmlify($xml->created_at);
 | 
						|
	$private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
 | 
						|
 | 
						|
	if(strlen($xml->objectId) && ($xml->objectId != 0) && ($xml->image_url)) {
 | 
						|
		$body = '[url=' . notags(unxmlify($xml->image_url)) . '][img]' . notags(unxmlify($xml->objectId)) . '[/img][/url]' . "\n";
 | 
						|
		$body = scale_external_images($body,false);
 | 
						|
	}
 | 
						|
	elseif($xml->image_url) {
 | 
						|
		$body = '[img]' . notags(unxmlify($xml->image_url)) . '[/img]' . "\n";
 | 
						|
		$body = scale_external_images($body);
 | 
						|
	}
 | 
						|
	else {
 | 
						|
		logger('diaspora_asphoto: no photo url found.');
 | 
						|
		return;
 | 
						|
	}
 | 
						|
 | 
						|
	$plink = diaspora_plink($diaspora_handle, $guid);
 | 
						|
 | 
						|
	$datarray = array();
 | 
						|
 | 
						|
	$datarray['uid'] = $importer['uid'];
 | 
						|
	$datarray['contact-id'] = $contact['id'];
 | 
						|
	$datarray['wall'] = 0;
 | 
						|
	$datarray['network']  = NETWORK_DIASPORA;
 | 
						|
	$datarray['guid'] = $guid;
 | 
						|
	$datarray['uri'] = $datarray['parent-uri'] = $message_id;
 | 
						|
	$datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
 | 
						|
	$datarray['private'] = $private;
 | 
						|
	$datarray['parent'] = 0;
 | 
						|
	$datarray['plink'] = $plink;
 | 
						|
	$datarray['owner-name'] = $contact['name'];
 | 
						|
	$datarray['owner-link'] = $contact['url'];
 | 
						|
	//$datarray['owner-avatar'] = $contact['thumb'];
 | 
						|
	$datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
 | 
						|
	$datarray['author-name'] = $contact['name'];
 | 
						|
	$datarray['author-link'] = $contact['url'];
 | 
						|
	$datarray['author-avatar'] = $contact['thumb'];
 | 
						|
	$datarray['body'] = $body;
 | 
						|
	$datarray["object"] = json_encode($xml);
 | 
						|
	$datarray['object-type'] = ACTIVITY_OBJ_PHOTO;
 | 
						|
 | 
						|
	$datarray['app']  = 'Diaspora/Cubbi.es';
 | 
						|
 | 
						|
	DiasporaFetchGuid($datarray);
 | 
						|
	$message_id = item_store($datarray);
 | 
						|
 | 
						|
	//if($message_id) {
 | 
						|
	//	q("update item set plink = '%s' where id = %d",
 | 
						|
	//		dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
 | 
						|
	//		intval($message_id)
 | 
						|
	//	);
 | 
						|
	//}
 | 
						|
 | 
						|
	return;
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
function diaspora_comment($importer,$xml,$msg) {
 | 
						|
 | 
						|
	$a = get_app();
 | 
						|
	$guid = notags(unxmlify($xml->guid));
 | 
						|
	$parent_guid = notags(unxmlify($xml->parent_guid));
 | 
						|
	$diaspora_handle = notags(unxmlify($xml->diaspora_handle));
 | 
						|
	$target_type = notags(unxmlify($xml->target_type));
 | 
						|
	$text = unxmlify($xml->text);
 | 
						|
	$author_signature = notags(unxmlify($xml->author_signature));
 | 
						|
 | 
						|
	$parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
 | 
						|
 | 
						|
	$contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
 | 
						|
	if(! $contact) {
 | 
						|
		logger('diaspora_comment: cannot find contact: ' . $msg['author']);
 | 
						|
		return;
 | 
						|
	}
 | 
						|
 | 
						|
	if(! diaspora_post_allow($importer,$contact, true)) {
 | 
						|
		logger('diaspora_comment: Ignoring this author.');
 | 
						|
		return 202;
 | 
						|
	}
 | 
						|
 | 
						|
	$r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
 | 
						|
		intval($importer['uid']),
 | 
						|
		dbesc($guid)
 | 
						|
	);
 | 
						|
	if(count($r)) {
 | 
						|
		logger('diaspora_comment: our comment just got relayed back to us (or there was a guid collision) : ' . $guid);
 | 
						|
		return;
 | 
						|
	}
 | 
						|
 | 
						|
	$r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
 | 
						|
		intval($importer['uid']),
 | 
						|
		dbesc($parent_guid)
 | 
						|
	);
 | 
						|
 | 
						|
	if(!count($r)) {
 | 
						|
		$result = diaspora_store_by_guid($parent_guid, $contact['url'], $importer['uid']);
 | 
						|
 | 
						|
		if (!$result) {
 | 
						|
			$person = find_diaspora_person_by_handle($diaspora_handle);
 | 
						|
			$result = diaspora_store_by_guid($parent_guid, $person['url'], $importer['uid']);
 | 
						|
		}
 | 
						|
 | 
						|
		if ($result) {
 | 
						|
			logger("Fetched missing item ".$parent_guid." - result: ".$result, LOGGER_DEBUG);
 | 
						|
 | 
						|
			$r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
 | 
						|
				intval($importer['uid']),
 | 
						|
				dbesc($parent_guid)
 | 
						|
			);
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	if(! count($r)) {
 | 
						|
		logger('diaspora_comment: parent item not found: parent: ' . $parent_guid . ' item: ' . $guid);
 | 
						|
		return;
 | 
						|
	}
 | 
						|
	$parent_item = $r[0];
 | 
						|
 | 
						|
 | 
						|
	/* How Diaspora performs comment signature checking:
 | 
						|
 | 
						|
	   - If an item has been sent by the comment author to the top-level post owner to relay on
 | 
						|
	     to the rest of the contacts on the top-level post, the top-level post owner should check
 | 
						|
	     the author_signature, then create a parent_author_signature before relaying the comment on
 | 
						|
	   - If an item has been relayed on by the top-level post owner, the contacts who receive it
 | 
						|
	     check only the parent_author_signature. Basically, they trust that the top-level post
 | 
						|
	     owner has already verified the authenticity of anything he/she sends out
 | 
						|
	   - In either case, the signature that get checked is the signature created by the person
 | 
						|
	     who sent the salmon
 | 
						|
	*/
 | 
						|
 | 
						|
	$signed_data = $guid . ';' . $parent_guid . ';' . $text . ';' . $diaspora_handle;
 | 
						|
	$key = $msg['key'];
 | 
						|
 | 
						|
	if($parent_author_signature) {
 | 
						|
		// If a parent_author_signature exists, then we've received the comment
 | 
						|
		// relayed from the top-level post owner. There's no need to check the
 | 
						|
		// author_signature if the parent_author_signature is valid
 | 
						|
 | 
						|
		$parent_author_signature = base64_decode($parent_author_signature);
 | 
						|
 | 
						|
		if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
 | 
						|
			logger('diaspora_comment: top-level owner verification failed.');
 | 
						|
			return;
 | 
						|
		}
 | 
						|
	}
 | 
						|
	else {
 | 
						|
		// If there's no parent_author_signature, then we've received the comment
 | 
						|
		// from the comment creator. In that case, the person is commenting on
 | 
						|
		// our post, so he/she must be a contact of ours and his/her public key
 | 
						|
		// should be in $msg['key']
 | 
						|
 | 
						|
		$author_signature = base64_decode($author_signature);
 | 
						|
 | 
						|
		if(! rsa_verify($signed_data,$author_signature,$key,'sha256')) {
 | 
						|
			logger('diaspora_comment: comment author verification failed.');
 | 
						|
			return;
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	// Phew! Everything checks out. Now create an item.
 | 
						|
 | 
						|
	// Find the original comment author information.
 | 
						|
	// We need this to make sure we display the comment author
 | 
						|
	// information (name and avatar) correctly.
 | 
						|
	if(strcasecmp($diaspora_handle,$msg['author']) == 0)
 | 
						|
		$person = $contact;
 | 
						|
	else {
 | 
						|
		$person = find_diaspora_person_by_handle($diaspora_handle);
 | 
						|
 | 
						|
		if(! is_array($person)) {
 | 
						|
			logger('diaspora_comment: unable to find author details');
 | 
						|
			return;
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	// Fetch the contact id - if we know this contact
 | 
						|
	$r = q("SELECT `id`, `network` FROM `contact` WHERE `nurl` = '%s' AND `uid` = %d LIMIT 1",
 | 
						|
		dbesc(normalise_link($person['url'])), intval($importer['uid']));
 | 
						|
	if ($r) {
 | 
						|
		$cid = $r[0]['id'];
 | 
						|
		$network = $r[0]['network'];
 | 
						|
	} else {
 | 
						|
		$cid = $contact['id'];
 | 
						|
		$network = NETWORK_DIASPORA;
 | 
						|
	}
 | 
						|
 | 
						|
	$body = diaspora2bb($text);
 | 
						|
	$message_id = $diaspora_handle . ':' . $guid;
 | 
						|
 | 
						|
	$datarray = array();
 | 
						|
 | 
						|
	$datarray['uid'] = $importer['uid'];
 | 
						|
	$datarray['contact-id'] = $cid;
 | 
						|
	$datarray['type'] = 'remote-comment';
 | 
						|
	$datarray['wall'] = $parent_item['wall'];
 | 
						|
	$datarray['network']  = $network;
 | 
						|
	$datarray['verb'] = ACTIVITY_POST;
 | 
						|
	$datarray['gravity'] = GRAVITY_COMMENT;
 | 
						|
	$datarray['guid'] = $guid;
 | 
						|
	$datarray['uri'] = $message_id;
 | 
						|
	$datarray['parent-uri'] = $parent_item['uri'];
 | 
						|
 | 
						|
	// No timestamps for comments? OK, we'll the use current time.
 | 
						|
	$datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert();
 | 
						|
	$datarray['private'] = $parent_item['private'];
 | 
						|
 | 
						|
	$datarray['owner-name'] = $parent_item['owner-name'];
 | 
						|
	$datarray['owner-link'] = $parent_item['owner-link'];
 | 
						|
	$datarray['owner-avatar'] = $parent_item['owner-avatar'];
 | 
						|
 | 
						|
	$datarray['author-name'] = $person['name'];
 | 
						|
	$datarray['author-link'] = $person['url'];
 | 
						|
	$datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
 | 
						|
	$datarray['body'] = $body;
 | 
						|
	$datarray["object"] = json_encode($xml);
 | 
						|
	$datarray["object-type"] = ACTIVITY_OBJ_COMMENT;
 | 
						|
 | 
						|
	// We can't be certain what the original app is if the message is relayed.
 | 
						|
	if(($parent_item['origin']) && (! $parent_author_signature))
 | 
						|
		$datarray['app']  = 'Diaspora';
 | 
						|
 | 
						|
	DiasporaFetchGuid($datarray);
 | 
						|
	$message_id = item_store($datarray);
 | 
						|
 | 
						|
	$datarray['id'] = $message_id;
 | 
						|
 | 
						|
	//if($message_id) {
 | 
						|
		//q("update item set plink = '%s' where id = %d",
 | 
						|
		//	//dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
 | 
						|
		//	dbesc($a->get_baseurl().'/display/'.$datarray['guid']),
 | 
						|
		//	intval($message_id)
 | 
						|
		//);
 | 
						|
	//}
 | 
						|
 | 
						|
	// If we are the origin of the parent we store the original signature and notify our followers
 | 
						|
	if($parent_item['origin']) {
 | 
						|
		$author_signature_base64 = base64_encode($author_signature);
 | 
						|
		$author_signature_base64 = diaspora_repair_signature($author_signature_base64, $diaspora_handle);
 | 
						|
 | 
						|
		q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
 | 
						|
			intval($message_id),
 | 
						|
			dbesc($signed_data),
 | 
						|
			dbesc($author_signature_base64),
 | 
						|
			dbesc($diaspora_handle)
 | 
						|
		);
 | 
						|
 | 
						|
		// notify others
 | 
						|
		proc_run('php','include/notifier.php','comment-import',$message_id);
 | 
						|
	}
 | 
						|
 | 
						|
	$myconv = q("SELECT `author-link`, `author-avatar`, `parent` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `parent` != 0 AND `deleted` = 0 ",
 | 
						|
		dbesc($parent_item['uri']),
 | 
						|
		intval($importer['uid'])
 | 
						|
	);
 | 
						|
 | 
						|
	if(count($myconv)) {
 | 
						|
		$importer_url = $a->get_baseurl() . '/profile/' . $importer['nickname'];
 | 
						|
 | 
						|
		foreach($myconv as $conv) {
 | 
						|
 | 
						|
			// now if we find a match, it means we're in this conversation
 | 
						|
 | 
						|
			if(! link_compare($conv['author-link'],$importer_url))
 | 
						|
				continue;
 | 
						|
 | 
						|
			require_once('include/enotify.php');
 | 
						|
 | 
						|
			$conv_parent = $conv['parent'];
 | 
						|
 | 
						|
			notification(array(
 | 
						|
				'type'         => NOTIFY_COMMENT,
 | 
						|
				'notify_flags' => $importer['notify-flags'],
 | 
						|
				'language'     => $importer['language'],
 | 
						|
				'to_name'      => $importer['username'],
 | 
						|
				'to_email'     => $importer['email'],
 | 
						|
				'uid'          => $importer['uid'],
 | 
						|
				'item'         => $datarray,
 | 
						|
				'link'		   => $a->get_baseurl().'/display/'.urlencode($datarray['guid']),
 | 
						|
				'source_name'  => $datarray['author-name'],
 | 
						|
				'source_link'  => $datarray['author-link'],
 | 
						|
				'source_photo' => $datarray['author-avatar'],
 | 
						|
				'verb'         => ACTIVITY_POST,
 | 
						|
				'otype'        => 'item',
 | 
						|
				'parent'       => $conv_parent,
 | 
						|
				'parent_uri'   => $parent_uri
 | 
						|
			));
 | 
						|
 | 
						|
			// only send one notification
 | 
						|
			break;
 | 
						|
		}
 | 
						|
	}
 | 
						|
	return;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
 | 
						|
 | 
						|
function diaspora_conversation($importer,$xml,$msg) {
 | 
						|
 | 
						|
	$a = get_app();
 | 
						|
 | 
						|
	$guid = notags(unxmlify($xml->guid));
 | 
						|
	$subject = notags(unxmlify($xml->subject));
 | 
						|
	$diaspora_handle = notags(unxmlify($xml->diaspora_handle));
 | 
						|
	$participant_handles = notags(unxmlify($xml->participant_handles));
 | 
						|
	$created_at = datetime_convert('UTC','UTC',notags(unxmlify($xml->created_at)));
 | 
						|
 | 
						|
	$parent_uri = $diaspora_handle . ':' . $guid;
 | 
						|
 | 
						|
	$messages = $xml->message;
 | 
						|
 | 
						|
	if(! count($messages)) {
 | 
						|
		logger('diaspora_conversation: empty conversation');
 | 
						|
		return;
 | 
						|
	}
 | 
						|
 | 
						|
	$contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
 | 
						|
	if(! $contact) {
 | 
						|
		logger('diaspora_conversation: cannot find contact: ' . $msg['author']);
 | 
						|
		return;
 | 
						|
	}
 | 
						|
 | 
						|
	if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
 | 
						|
		logger('diaspora_conversation: Ignoring this author.');
 | 
						|
		return 202;
 | 
						|
	}
 | 
						|
 | 
						|
	$conversation = null;
 | 
						|
 | 
						|
	$c = q("select * from conv where uid = %d and guid = '%s' limit 1",
 | 
						|
		intval($importer['uid']),
 | 
						|
		dbesc($guid)
 | 
						|
	);
 | 
						|
	if(count($c))
 | 
						|
		$conversation = $c[0];
 | 
						|
	else {
 | 
						|
		$r = q("insert into conv (uid,guid,creator,created,updated,subject,recips) values(%d, '%s', '%s', '%s', '%s', '%s', '%s') ",
 | 
						|
			intval($importer['uid']),
 | 
						|
			dbesc($guid),
 | 
						|
			dbesc($diaspora_handle),
 | 
						|
			dbesc(datetime_convert('UTC','UTC',$created_at)),
 | 
						|
			dbesc(datetime_convert()),
 | 
						|
			dbesc($subject),
 | 
						|
			dbesc($participant_handles)
 | 
						|
		);
 | 
						|
		if($r)
 | 
						|
			$c = q("select * from conv where uid = %d and guid = '%s' limit 1",
 | 
						|
		intval($importer['uid']),
 | 
						|
	    dbesc($guid)
 | 
						|
	);
 | 
						|
	    if(count($c))
 | 
						|
	    $conversation = $c[0];
 | 
						|
	}
 | 
						|
	if(! $conversation) {
 | 
						|
		logger('diaspora_conversation: unable to create conversation.');
 | 
						|
		return;
 | 
						|
	}
 | 
						|
 | 
						|
	foreach($messages as $mesg) {
 | 
						|
 | 
						|
		$reply = 0;
 | 
						|
 | 
						|
		$msg_guid = notags(unxmlify($mesg->guid));
 | 
						|
		$msg_parent_guid = notags(unxmlify($mesg->parent_guid));
 | 
						|
		$msg_parent_author_signature = notags(unxmlify($mesg->parent_author_signature));
 | 
						|
		$msg_author_signature = notags(unxmlify($mesg->author_signature));
 | 
						|
		$msg_text = unxmlify($mesg->text);
 | 
						|
		$msg_created_at = datetime_convert('UTC','UTC',notags(unxmlify($mesg->created_at)));
 | 
						|
		$msg_diaspora_handle = notags(unxmlify($mesg->diaspora_handle));
 | 
						|
		$msg_conversation_guid = notags(unxmlify($mesg->conversation_guid));
 | 
						|
		if($msg_conversation_guid != $guid) {
 | 
						|
			logger('diaspora_conversation: message conversation guid does not belong to the current conversation. ' . $xml);
 | 
						|
			continue;
 | 
						|
		}
 | 
						|
 | 
						|
		$body = diaspora2bb($msg_text);
 | 
						|
		$message_id = $msg_diaspora_handle . ':' . $msg_guid;
 | 
						|
 | 
						|
		$author_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($mesg->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
 | 
						|
 | 
						|
		$author_signature = base64_decode($msg_author_signature);
 | 
						|
 | 
						|
		if(strcasecmp($msg_diaspora_handle,$msg['author']) == 0) {
 | 
						|
			$person = $contact;
 | 
						|
			$key = $msg['key'];
 | 
						|
		}
 | 
						|
		else {
 | 
						|
			$person = find_diaspora_person_by_handle($msg_diaspora_handle);	
 | 
						|
 | 
						|
			if(is_array($person) && x($person,'pubkey'))
 | 
						|
				$key = $person['pubkey'];
 | 
						|
			else {
 | 
						|
				logger('diaspora_conversation: unable to find author details');
 | 
						|
				continue;
 | 
						|
			}
 | 
						|
		}
 | 
						|
 | 
						|
		if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
 | 
						|
			logger('diaspora_conversation: verification failed.');
 | 
						|
			continue;
 | 
						|
		}
 | 
						|
 | 
						|
		if($msg_parent_author_signature) {
 | 
						|
			$owner_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($mesg->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
 | 
						|
 | 
						|
			$parent_author_signature = base64_decode($msg_parent_author_signature);
 | 
						|
 | 
						|
			$key = $msg['key'];
 | 
						|
 | 
						|
			if(! rsa_verify($owner_signed_data,$parent_author_signature,$key,'sha256')) {
 | 
						|
				logger('diaspora_conversation: owner verification failed.');
 | 
						|
				continue;
 | 
						|
			}
 | 
						|
		}
 | 
						|
 | 
						|
		$r = q("select id from mail where `uri` = '%s' limit 1",
 | 
						|
			dbesc($message_id)
 | 
						|
		);
 | 
						|
		if(count($r)) {
 | 
						|
			logger('diaspora_conversation: duplicate message already delivered.', LOGGER_DEBUG);
 | 
						|
			continue;
 | 
						|
		}
 | 
						|
 | 
						|
		q("insert into mail ( `uid`, `guid`, `convid`, `from-name`,`from-photo`,`from-url`,`contact-id`,`title`,`body`,`seen`,`reply`,`uri`,`parent-uri`,`created`) values ( %d, '%s', %d, '%s', '%s', '%s', %d, '%s', '%s', %d, %d, '%s','%s','%s')",
 | 
						|
			intval($importer['uid']),
 | 
						|
			dbesc($msg_guid),
 | 
						|
			intval($conversation['id']),
 | 
						|
			dbesc($person['name']),
 | 
						|
			dbesc($person['photo']),
 | 
						|
			dbesc($person['url']),
 | 
						|
			intval($contact['id']),
 | 
						|
			dbesc($subject),
 | 
						|
			dbesc($body),
 | 
						|
			0,
 | 
						|
			0,
 | 
						|
			dbesc($message_id),
 | 
						|
			dbesc($parent_uri),
 | 
						|
			dbesc($msg_created_at)
 | 
						|
		);
 | 
						|
 | 
						|
		q("update conv set updated = '%s' where id = %d",
 | 
						|
			dbesc(datetime_convert()),
 | 
						|
			intval($conversation['id'])
 | 
						|
		);
 | 
						|
 | 
						|
		require_once('include/enotify.php');
 | 
						|
		notification(array(
 | 
						|
			'type' => NOTIFY_MAIL,
 | 
						|
			'notify_flags' => $importer['notify-flags'],
 | 
						|
			'language' => $importer['language'],
 | 
						|
			'to_name' => $importer['username'],
 | 
						|
			'to_email' => $importer['email'],
 | 
						|
			'uid' =>$importer['uid'],
 | 
						|
			'item' => array('subject' => $subject, 'body' => $body),
 | 
						|
			'source_name' => $person['name'],
 | 
						|
			'source_link' => $person['url'],
 | 
						|
			'source_photo' => $person['thumb'],
 | 
						|
			'verb' => ACTIVITY_POST,
 | 
						|
			'otype' => 'mail'
 | 
						|
		));
 | 
						|
	}
 | 
						|
 | 
						|
	return;
 | 
						|
}
 | 
						|
 | 
						|
function diaspora_message($importer,$xml,$msg) {
 | 
						|
 | 
						|
	$a = get_app();
 | 
						|
 | 
						|
	$msg_guid = notags(unxmlify($xml->guid));
 | 
						|
	$msg_parent_guid = notags(unxmlify($xml->parent_guid));
 | 
						|
	$msg_parent_author_signature = notags(unxmlify($xml->parent_author_signature));
 | 
						|
	$msg_author_signature = notags(unxmlify($xml->author_signature));
 | 
						|
	$msg_text = unxmlify($xml->text);
 | 
						|
	$msg_created_at = datetime_convert('UTC','UTC',notags(unxmlify($xml->created_at)));
 | 
						|
	$msg_diaspora_handle = notags(unxmlify($xml->diaspora_handle));
 | 
						|
	$msg_conversation_guid = notags(unxmlify($xml->conversation_guid));
 | 
						|
 | 
						|
	$parent_uri = $msg_diaspora_handle . ':' . $msg_parent_guid;
 | 
						|
 | 
						|
	$contact = diaspora_get_contact_by_handle($importer['uid'],$msg_diaspora_handle);
 | 
						|
	if(! $contact) {
 | 
						|
		logger('diaspora_message: cannot find contact: ' . $msg_diaspora_handle);
 | 
						|
		return;
 | 
						|
	}
 | 
						|
 | 
						|
	if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
 | 
						|
		logger('diaspora_message: Ignoring this author.');
 | 
						|
		return 202;
 | 
						|
	}
 | 
						|
 | 
						|
	$conversation = null;
 | 
						|
 | 
						|
	$c = q("select * from conv where uid = %d and guid = '%s' limit 1",
 | 
						|
		intval($importer['uid']),
 | 
						|
		dbesc($msg_conversation_guid)
 | 
						|
	);
 | 
						|
	if(count($c))
 | 
						|
		$conversation = $c[0];
 | 
						|
	else {
 | 
						|
		logger('diaspora_message: conversation not available.');
 | 
						|
		return;
 | 
						|
	}
 | 
						|
 | 
						|
	$reply = 0;
 | 
						|
 | 
						|
	$body = diaspora2bb($msg_text);
 | 
						|
	$message_id = $msg_diaspora_handle . ':' . $msg_guid;
 | 
						|
 | 
						|
	$author_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($xml->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
 | 
						|
 | 
						|
 | 
						|
	$author_signature = base64_decode($msg_author_signature);
 | 
						|
 | 
						|
	$person = find_diaspora_person_by_handle($msg_diaspora_handle);
 | 
						|
	if(is_array($person) && x($person,'pubkey'))
 | 
						|
		$key = $person['pubkey'];
 | 
						|
	else {
 | 
						|
		logger('diaspora_message: unable to find author details');
 | 
						|
		return;
 | 
						|
	}
 | 
						|
 | 
						|
	if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
 | 
						|
		logger('diaspora_message: verification failed.');
 | 
						|
		return;
 | 
						|
	}
 | 
						|
 | 
						|
	$r = q("select id from mail where `uri` = '%s' and uid = %d limit 1",
 | 
						|
		dbesc($message_id),
 | 
						|
		intval($importer['uid'])
 | 
						|
	);
 | 
						|
	if(count($r)) {
 | 
						|
		logger('diaspora_message: duplicate message already delivered.', LOGGER_DEBUG);
 | 
						|
		return;
 | 
						|
	}
 | 
						|
 | 
						|
	q("insert into mail ( `uid`, `guid`, `convid`, `from-name`,`from-photo`,`from-url`,`contact-id`,`title`,`body`,`seen`,`reply`,`uri`,`parent-uri`,`created`) values ( %d, '%s', %d, '%s', '%s', '%s', %d, '%s', '%s', %d, %d, '%s','%s','%s')",
 | 
						|
		intval($importer['uid']),
 | 
						|
		dbesc($msg_guid),
 | 
						|
		intval($conversation['id']),
 | 
						|
		dbesc($person['name']),
 | 
						|
		dbesc($person['photo']),
 | 
						|
		dbesc($person['url']),
 | 
						|
		intval($contact['id']),
 | 
						|
		dbesc($conversation['subject']),
 | 
						|
		dbesc($body),
 | 
						|
		0,
 | 
						|
		1,
 | 
						|
		dbesc($message_id),
 | 
						|
		dbesc($parent_uri),
 | 
						|
		dbesc($msg_created_at)
 | 
						|
	);
 | 
						|
 | 
						|
	q("update conv set updated = '%s' where id = %d",
 | 
						|
		dbesc(datetime_convert()),
 | 
						|
		intval($conversation['id'])
 | 
						|
	);
 | 
						|
 | 
						|
	return;
 | 
						|
}
 | 
						|
 | 
						|
function diaspora_participation($importer,$xml) {
 | 
						|
	logger("Unsupported message type 'participation' ".print_r($xml, true));
 | 
						|
}
 | 
						|
 | 
						|
function diaspora_photo($importer,$xml,$msg,$attempt=1) {
 | 
						|
 | 
						|
	$a = get_app();
 | 
						|
 | 
						|
	logger('diaspora_photo: init',LOGGER_DEBUG);
 | 
						|
 | 
						|
	$remote_photo_path = notags(unxmlify($xml->remote_photo_path));
 | 
						|
 | 
						|
	$remote_photo_name = notags(unxmlify($xml->remote_photo_name));
 | 
						|
 | 
						|
	$status_message_guid = notags(unxmlify($xml->status_message_guid));
 | 
						|
 | 
						|
	$guid = notags(unxmlify($xml->guid));
 | 
						|
 | 
						|
	$diaspora_handle = notags(unxmlify($xml->diaspora_handle));
 | 
						|
 | 
						|
	$public = notags(unxmlify($xml->public));
 | 
						|
 | 
						|
	$created_at = notags(unxmlify($xml_created_at));
 | 
						|
 | 
						|
	logger('diaspora_photo: status_message_guid: ' . $status_message_guid, LOGGER_DEBUG);
 | 
						|
 | 
						|
	$contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
 | 
						|
	if(! $contact) {
 | 
						|
		logger('diaspora_photo: contact record not found: ' . $msg['author'] . ' handle: ' . $diaspora_handle);
 | 
						|
		return;
 | 
						|
	}
 | 
						|
 | 
						|
	if(! diaspora_post_allow($importer,$contact, false)) {
 | 
						|
		logger('diaspora_photo: Ignoring this author.');
 | 
						|
		return 202;
 | 
						|
	}
 | 
						|
 | 
						|
	$r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
 | 
						|
		intval($importer['uid']),
 | 
						|
		dbesc($status_message_guid)
 | 
						|
	);
 | 
						|
 | 
						|
/*	deactivated by now since it can lead to multiplicated pictures in posts.
 | 
						|
	if(!count($r)) {
 | 
						|
		$result = diaspora_store_by_guid($status_message_guid, $contact['url'], $importer['uid']);
 | 
						|
 | 
						|
		if (!$result) {
 | 
						|
			$person = find_diaspora_person_by_handle($diaspora_handle);
 | 
						|
			$result = diaspora_store_by_guid($status_message_guid, $person['url'], $importer['uid']);
 | 
						|
		}
 | 
						|
 | 
						|
		if ($result) {
 | 
						|
			logger("Fetched missing item ".$status_message_guid." - result: ".$result, LOGGER_DEBUG);
 | 
						|
 | 
						|
			$r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
 | 
						|
				intval($importer['uid']),
 | 
						|
				dbesc($status_message_guid)
 | 
						|
			);
 | 
						|
		}
 | 
						|
	}
 | 
						|
*/
 | 
						|
	if(!count($r)) {
 | 
						|
		if($attempt <= 3) {
 | 
						|
			q("INSERT INTO dsprphotoq (uid, msg, attempt) VALUES (%d, '%s', %d)",
 | 
						|
			   intval($importer['uid']),
 | 
						|
			   dbesc(serialize($msg)),
 | 
						|
			   intval($attempt + 1)
 | 
						|
			);
 | 
						|
		}
 | 
						|
 | 
						|
		logger('diaspora_photo: attempt = ' . $attempt . '; status message not found: ' . $status_message_guid . ' for photo: ' . $guid);
 | 
						|
		return;
 | 
						|
	}
 | 
						|
 | 
						|
	$parent_item = $r[0];
 | 
						|
 | 
						|
	$link_text = '[img]' . $remote_photo_path . $remote_photo_name . '[/img]' . "\n";
 | 
						|
 | 
						|
	$link_text = scale_external_images($link_text, true,
 | 
						|
					   array($remote_photo_name, 'scaled_full_' . $remote_photo_name));
 | 
						|
 | 
						|
	if(strpos($parent_item['body'],$link_text) === false) {
 | 
						|
 | 
						|
		$parent_item['body'] = $link_text . $parent_item['body'];
 | 
						|
 | 
						|
		$r = q("UPDATE `item` SET `body` = '%s', `visible` = 1 WHERE `id` = %d AND `uid` = %d",
 | 
						|
			dbesc($parent_item['body']),
 | 
						|
			intval($parent_item['id']),
 | 
						|
			intval($parent_item['uid'])
 | 
						|
		);
 | 
						|
		put_item_in_cache($parent_item, true);
 | 
						|
		update_thread($parent_item['id']);
 | 
						|
	}
 | 
						|
 | 
						|
	return;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
 | 
						|
 | 
						|
function diaspora_like($importer,$xml,$msg) {
 | 
						|
 | 
						|
	$a = get_app();
 | 
						|
	$guid = notags(unxmlify($xml->guid));
 | 
						|
	$parent_guid = notags(unxmlify($xml->parent_guid));
 | 
						|
	$diaspora_handle = notags(unxmlify($xml->diaspora_handle));
 | 
						|
	$target_type = notags(unxmlify($xml->target_type));
 | 
						|
	$positive = notags(unxmlify($xml->positive));
 | 
						|
	$author_signature = notags(unxmlify($xml->author_signature));
 | 
						|
 | 
						|
	$parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
 | 
						|
 | 
						|
	// likes on comments not supported here and likes on photos not supported by Diaspora
 | 
						|
 | 
						|
//	if($target_type !== 'Post')
 | 
						|
//		return;
 | 
						|
 | 
						|
	$contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
 | 
						|
	if(! $contact) {
 | 
						|
		logger('diaspora_like: cannot find contact: ' . $msg['author']);
 | 
						|
		return;
 | 
						|
	}
 | 
						|
 | 
						|
	if(! diaspora_post_allow($importer,$contact, false)) {
 | 
						|
		logger('diaspora_like: Ignoring this author.');
 | 
						|
		return 202;
 | 
						|
	}
 | 
						|
 | 
						|
	$r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
 | 
						|
		intval($importer['uid']),
 | 
						|
		dbesc($parent_guid)
 | 
						|
	);
 | 
						|
 | 
						|
	if(!count($r)) {
 | 
						|
		$result = diaspora_store_by_guid($parent_guid, $contact['url'], $importer['uid']);
 | 
						|
 | 
						|
		if (!$result) {
 | 
						|
			$person = find_diaspora_person_by_handle($diaspora_handle);
 | 
						|
			$result = diaspora_store_by_guid($parent_guid, $person['url'], $importer['uid']);
 | 
						|
		}
 | 
						|
 | 
						|
		if ($result) {
 | 
						|
			logger("Fetched missing item ".$parent_guid." - result: ".$result, LOGGER_DEBUG);
 | 
						|
 | 
						|
			$r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
 | 
						|
				intval($importer['uid']),
 | 
						|
				dbesc($parent_guid)
 | 
						|
			);
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	if(! count($r)) {
 | 
						|
		logger('diaspora_like: parent item not found: ' . $guid);
 | 
						|
		return;
 | 
						|
	}
 | 
						|
 | 
						|
	$parent_item = $r[0];
 | 
						|
 | 
						|
	$r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
 | 
						|
		intval($importer['uid']),
 | 
						|
		dbesc($guid)
 | 
						|
	);
 | 
						|
	if(count($r)) {
 | 
						|
		if($positive === 'true') {
 | 
						|
			logger('diaspora_like: duplicate like: ' . $guid);
 | 
						|
			return;
 | 
						|
		}
 | 
						|
		// Note: I don't think "Like" objects with positive = "false" are ever actually used
 | 
						|
		// It looks like "RelayableRetractions" are used for "unlike" instead
 | 
						|
		if($positive === 'false') {
 | 
						|
			logger('diaspora_like: received a like with positive set to "false"...ignoring');
 | 
						|
/*			q("UPDATE `item` SET `deleted` = 1 WHERE `id` = %d AND `uid` = %d",
 | 
						|
				intval($r[0]['id']),
 | 
						|
				intval($importer['uid'])
 | 
						|
			);*/
 | 
						|
			// FIXME--actually don't unless it turns out that Diaspora does indeed send out "false" likes
 | 
						|
			//  send notification via proc_run()
 | 
						|
			return;
 | 
						|
		}
 | 
						|
	}
 | 
						|
	// Note: I don't think "Like" objects with positive = "false" are ever actually used
 | 
						|
	// It looks like "RelayableRetractions" are used for "unlike" instead
 | 
						|
	if($positive === 'false') {
 | 
						|
		logger('diaspora_like: received a like with positive set to "false"');
 | 
						|
		logger('diaspora_like: unlike received with no corresponding like...ignoring');
 | 
						|
		return;
 | 
						|
	}
 | 
						|
 | 
						|
 | 
						|
	/* How Diaspora performs "like" signature checking:
 | 
						|
 | 
						|
	   - If an item has been sent by the like author to the top-level post owner to relay on
 | 
						|
	     to the rest of the contacts on the top-level post, the top-level post owner should check
 | 
						|
	     the author_signature, then create a parent_author_signature before relaying the like on
 | 
						|
	   - If an item has been relayed on by the top-level post owner, the contacts who receive it
 | 
						|
	     check only the parent_author_signature. Basically, they trust that the top-level post
 | 
						|
	     owner has already verified the authenticity of anything he/she sends out
 | 
						|
	   - In either case, the signature that get checked is the signature created by the person
 | 
						|
	     who sent the salmon
 | 
						|
	*/
 | 
						|
 | 
						|
	// Diaspora has changed the way they are signing the likes.
 | 
						|
	// Just to make sure that we don't miss any likes we will check the old and the current way.
 | 
						|
	$old_signed_data = $guid . ';' . $target_type . ';' . $parent_guid . ';' . $positive . ';' . $diaspora_handle;
 | 
						|
 | 
						|
	$signed_data = $positive . ';' . $guid . ';' . $target_type . ';' . $parent_guid . ';' . $diaspora_handle;
 | 
						|
 | 
						|
	$key = $msg['key'];
 | 
						|
 | 
						|
	if ($parent_author_signature) {
 | 
						|
		// If a parent_author_signature exists, then we've received the like
 | 
						|
		// relayed from the top-level post owner. There's no need to check the
 | 
						|
		// author_signature if the parent_author_signature is valid
 | 
						|
 | 
						|
		$parent_author_signature = base64_decode($parent_author_signature);
 | 
						|
 | 
						|
		if (!rsa_verify($signed_data,$parent_author_signature,$key,'sha256') AND
 | 
						|
			!rsa_verify($old_signed_data,$parent_author_signature,$key,'sha256')) {
 | 
						|
 | 
						|
			logger('diaspora_like: top-level owner verification failed.');
 | 
						|
			return;
 | 
						|
		}
 | 
						|
	} else {
 | 
						|
		// If there's no parent_author_signature, then we've received the like
 | 
						|
		// from the like creator. In that case, the person is "like"ing
 | 
						|
		// our post, so he/she must be a contact of ours and his/her public key
 | 
						|
		// should be in $msg['key']
 | 
						|
 | 
						|
		$author_signature = base64_decode($author_signature);
 | 
						|
 | 
						|
		if (!rsa_verify($signed_data,$author_signature,$key,'sha256') AND
 | 
						|
			!rsa_verify($old_signed_data,$author_signature,$key,'sha256')) {
 | 
						|
 | 
						|
			logger('diaspora_like: like creator verification failed.');
 | 
						|
			return;
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	// Phew! Everything checks out. Now create an item.
 | 
						|
 | 
						|
	// Find the original comment author information.
 | 
						|
	// We need this to make sure we display the comment author
 | 
						|
	// information (name and avatar) correctly.
 | 
						|
	if(strcasecmp($diaspora_handle,$msg['author']) == 0)
 | 
						|
		$person = $contact;
 | 
						|
	else {
 | 
						|
		$person = find_diaspora_person_by_handle($diaspora_handle);
 | 
						|
 | 
						|
		if(! is_array($person)) {
 | 
						|
			logger('diaspora_like: unable to find author details');
 | 
						|
			return;
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	$uri = $diaspora_handle . ':' . $guid;
 | 
						|
 | 
						|
	$activity = ACTIVITY_LIKE;
 | 
						|
	$post_type = (($parent_item['resource-id']) ? t('photo') : t('status'));
 | 
						|
	$objtype = (($parent_item['resource-id']) ? ACTIVITY_OBJ_PHOTO : ACTIVITY_OBJ_NOTE );
 | 
						|
	$link = xmlify('<link rel="alternate" type="text/html" href="' . $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $parent_item['id'] . '" />' . "\n") ;
 | 
						|
	$body = $parent_item['body'];
 | 
						|
 | 
						|
	$obj = <<< EOT
 | 
						|
 | 
						|
	<object>
 | 
						|
		<type>$objtype</type>
 | 
						|
		<local>1</local>
 | 
						|
		<id>{$parent_item['uri']}</id>
 | 
						|
		<link>$link</link>
 | 
						|
		<title></title>
 | 
						|
		<content>$body</content>
 | 
						|
	</object>
 | 
						|
EOT;
 | 
						|
	$bodyverb = t('%1$s likes %2$s\'s %3$s');
 | 
						|
 | 
						|
	// Fetch the contact id - if we know this contact
 | 
						|
	$r = q("SELECT `id`, `network` FROM `contact` WHERE `nurl` = '%s' AND `uid` = %d LIMIT 1",
 | 
						|
		dbesc(normalise_link($person['url'])), intval($importer['uid']));
 | 
						|
	if ($r) {
 | 
						|
		$cid = $r[0]['id'];
 | 
						|
		$network = $r[0]['network'];
 | 
						|
	} else {
 | 
						|
		$cid = $contact['id'];
 | 
						|
		$network = NETWORK_DIASPORA;
 | 
						|
	}
 | 
						|
 | 
						|
	$arr = array();
 | 
						|
 | 
						|
	$arr['uri'] = $uri;
 | 
						|
	$arr['uid'] = $importer['uid'];
 | 
						|
	$arr['guid'] = $guid;
 | 
						|
	$arr['network']  = $network;
 | 
						|
	$arr['contact-id'] = $cid;
 | 
						|
	$arr['type'] = 'activity';
 | 
						|
	$arr['wall'] = $parent_item['wall'];
 | 
						|
	$arr['gravity'] = GRAVITY_LIKE;
 | 
						|
	$arr['parent'] = $parent_item['id'];
 | 
						|
	$arr['parent-uri'] = $parent_item['uri'];
 | 
						|
 | 
						|
	$arr['owner-name'] = $parent_item['name'];
 | 
						|
	$arr['owner-link'] = $parent_item['url'];
 | 
						|
	//$arr['owner-avatar'] = $parent_item['thumb'];
 | 
						|
	$arr['owner-avatar'] = ((x($parent_item,'thumb')) ? $parent_item['thumb'] : $parent_item['photo']);
 | 
						|
 | 
						|
	$arr['author-name'] = $person['name'];
 | 
						|
	$arr['author-link'] = $person['url'];
 | 
						|
	$arr['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
 | 
						|
 | 
						|
	$ulink = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
 | 
						|
	$alink = '[url=' . $parent_item['author-link'] . ']' . $parent_item['author-name'] . '[/url]';
 | 
						|
	//$plink = '[url=' . $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $parent_item['id'] . ']' . $post_type . '[/url]';
 | 
						|
	$plink = '[url='.$a->get_baseurl().'/display/'.urlencode($guid).']'.$post_type.'[/url]';
 | 
						|
	$arr['body'] =  sprintf( $bodyverb, $ulink, $alink, $plink );
 | 
						|
 | 
						|
	$arr['app']  = 'Diaspora';
 | 
						|
 | 
						|
	$arr['private'] = $parent_item['private'];
 | 
						|
	$arr['verb'] = $activity;
 | 
						|
	$arr['object-type'] = $objtype;
 | 
						|
	$arr['object'] = $obj;
 | 
						|
	$arr['visible'] = 1;
 | 
						|
	$arr['unseen'] = 1;
 | 
						|
	$arr['last-child'] = 0;
 | 
						|
 | 
						|
	$message_id = item_store($arr);
 | 
						|
 | 
						|
 | 
						|
	//if($message_id) {
 | 
						|
	//	q("update item set plink = '%s' where id = %d",
 | 
						|
	//		//dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
 | 
						|
	//		dbesc($a->get_baseurl().'/display/'.$guid),
 | 
						|
	//		intval($message_id)
 | 
						|
	//	);
 | 
						|
	//}
 | 
						|
 | 
						|
	// If we are the origin of the parent we store the original signature and notify our followers
 | 
						|
	if($parent_item['origin']) {
 | 
						|
		$author_signature_base64 = base64_encode($author_signature);
 | 
						|
		$author_signature_base64 = diaspora_repair_signature($author_signature_base64, $diaspora_handle);
 | 
						|
 | 
						|
		q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
 | 
						|
			intval($message_id),
 | 
						|
			dbesc($signed_data),
 | 
						|
			dbesc($author_signature_base64),
 | 
						|
			dbesc($diaspora_handle)
 | 
						|
		);
 | 
						|
 | 
						|
		// notify others
 | 
						|
		proc_run('php','include/notifier.php','comment-import',$message_id);
 | 
						|
	}
 | 
						|
 | 
						|
	return;
 | 
						|
}
 | 
						|
 | 
						|
function diaspora_retraction($importer,$xml) {
 | 
						|
 | 
						|
 | 
						|
	$guid = notags(unxmlify($xml->guid));
 | 
						|
	$diaspora_handle = notags(unxmlify($xml->diaspora_handle));
 | 
						|
	$type = notags(unxmlify($xml->type));
 | 
						|
 | 
						|
	$contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
 | 
						|
	if(! $contact)
 | 
						|
		return;
 | 
						|
 | 
						|
	if($type === 'Person') {
 | 
						|
		require_once('include/Contact.php');
 | 
						|
		contact_remove($contact['id']);
 | 
						|
	} elseif($type === 'StatusMessage') {
 | 
						|
		$guid = notags(unxmlify($xml->post_guid));
 | 
						|
 | 
						|
		$r = q("SELECT * FROM `item` WHERE `guid` = '%s' AND `uid` = %d AND NOT `file` LIKE '%%[%%' LIMIT 1",
 | 
						|
			dbesc($guid),
 | 
						|
			intval($importer['uid'])
 | 
						|
		);
 | 
						|
		if(count($r)) {
 | 
						|
			if(link_compare($r[0]['author-link'],$contact['url'])) {
 | 
						|
				q("UPDATE `item` SET `deleted` = 1, `changed` = '%s' WHERE `id` = %d",
 | 
						|
					dbesc(datetime_convert()),
 | 
						|
					intval($r[0]['id'])
 | 
						|
				);
 | 
						|
				delete_thread($r[0]['id'], $r[0]['parent-uri']);
 | 
						|
			}
 | 
						|
		}
 | 
						|
	} elseif($type === 'Post') {
 | 
						|
		$r = q("select * from item where guid = '%s' and uid = %d and not file like '%%[%%' limit 1",
 | 
						|
			dbesc('guid'),
 | 
						|
			intval($importer['uid'])
 | 
						|
		);
 | 
						|
		if(count($r)) {
 | 
						|
			if(link_compare($r[0]['author-link'],$contact['url'])) {
 | 
						|
				q("update item set `deleted` = 1, `changed` = '%s' where `id` = %d",
 | 
						|
					dbesc(datetime_convert()),
 | 
						|
					intval($r[0]['id'])
 | 
						|
				);
 | 
						|
				delete_thread($r[0]['id'], $r[0]['parent-uri']);
 | 
						|
			}
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	return 202;
 | 
						|
	// NOTREACHED
 | 
						|
}
 | 
						|
 | 
						|
function diaspora_signed_retraction($importer,$xml,$msg) {
 | 
						|
 | 
						|
 | 
						|
	$guid = notags(unxmlify($xml->target_guid));
 | 
						|
	$diaspora_handle = notags(unxmlify($xml->sender_handle));
 | 
						|
	$type = notags(unxmlify($xml->target_type));
 | 
						|
	$sig = notags(unxmlify($xml->target_author_signature));
 | 
						|
 | 
						|
	$parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
 | 
						|
 | 
						|
	$contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
 | 
						|
	if(! $contact) {
 | 
						|
		logger('diaspora_signed_retraction: no contact ' . $diaspora_handle . ' for ' . $importer['uid']);
 | 
						|
		return;
 | 
						|
	}
 | 
						|
 | 
						|
 | 
						|
	$signed_data = $guid . ';' . $type ;
 | 
						|
	$key = $msg['key'];
 | 
						|
 | 
						|
	/* How Diaspora performs relayable_retraction signature checking:
 | 
						|
 | 
						|
	   - If an item has been sent by the item author to the top-level post owner to relay on
 | 
						|
	     to the rest of the contacts on the top-level post, the top-level post owner checks
 | 
						|
	     the author_signature, then creates a parent_author_signature before relaying the item on
 | 
						|
	   - If an item has been relayed on by the top-level post owner, the contacts who receive it
 | 
						|
	     check only the parent_author_signature. Basically, they trust that the top-level post
 | 
						|
	     owner has already verified the authenticity of anything he/she sends out
 | 
						|
	   - In either case, the signature that get checked is the signature created by the person
 | 
						|
	     who sent the salmon
 | 
						|
	*/
 | 
						|
 | 
						|
	if($parent_author_signature) {
 | 
						|
 | 
						|
		$parent_author_signature = base64_decode($parent_author_signature);
 | 
						|
 | 
						|
		if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
 | 
						|
			logger('diaspora_signed_retraction: top-level post owner verification failed');
 | 
						|
			return;
 | 
						|
		}
 | 
						|
 | 
						|
	} else {
 | 
						|
 | 
						|
		$sig_decode = base64_decode($sig);
 | 
						|
 | 
						|
		if(! rsa_verify($signed_data,$sig_decode,$key,'sha256')) {
 | 
						|
			logger('diaspora_signed_retraction: retraction owner verification failed.' . print_r($msg,true));
 | 
						|
			return;
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	if($type === 'StatusMessage' || $type === 'Comment' || $type === 'Like') {
 | 
						|
		$r = q("select * from item where guid = '%s' and uid = %d and not file like '%%[%%' limit 1",
 | 
						|
			dbesc($guid),
 | 
						|
			intval($importer['uid'])
 | 
						|
		);
 | 
						|
		if(count($r)) {
 | 
						|
			if(link_compare($r[0]['author-link'],$contact['url'])) {
 | 
						|
				q("update item set `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = '' , `title` = '' where `id` = %d",
 | 
						|
					dbesc(datetime_convert()),
 | 
						|
					dbesc(datetime_convert()),
 | 
						|
					intval($r[0]['id'])
 | 
						|
				);
 | 
						|
				delete_thread($r[0]['id'], $r[0]['parent-uri']);
 | 
						|
 | 
						|
				// Now check if the retraction needs to be relayed by us
 | 
						|
				//
 | 
						|
				// The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
 | 
						|
				// return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
 | 
						|
				// The only item with `parent` and `id` as the parent id is the parent item.
 | 
						|
				$p = q("SELECT `origin` FROM `item` WHERE `parent` = %d AND `id` = %d LIMIT 1",
 | 
						|
					intval($r[0]['parent']),
 | 
						|
					intval($r[0]['parent'])
 | 
						|
				);
 | 
						|
				if(count($p)) {
 | 
						|
					if($p[0]['origin']) {
 | 
						|
						q("insert into sign (`retract_iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
 | 
						|
							$r[0]['id'],
 | 
						|
							dbesc($signed_data),
 | 
						|
							dbesc($sig),
 | 
						|
							dbesc($diaspora_handle)
 | 
						|
						);
 | 
						|
 | 
						|
						// the existence of parent_author_signature would have meant the parent_author or owner
 | 
						|
						// is already relaying.
 | 
						|
						logger('diaspora_signed_retraction: relaying relayable_retraction');
 | 
						|
 | 
						|
						proc_run('php','include/notifier.php','drop',$r[0]['id']);
 | 
						|
					}
 | 
						|
				}
 | 
						|
			}
 | 
						|
		}
 | 
						|
	}
 | 
						|
	else
 | 
						|
		logger('diaspora_signed_retraction: unknown type: ' . $type);
 | 
						|
 | 
						|
	return 202;
 | 
						|
	// NOTREACHED
 | 
						|
}
 | 
						|
 | 
						|
function diaspora_profile($importer,$xml,$msg) {
 | 
						|
 | 
						|
	$a = get_app();
 | 
						|
	$diaspora_handle = notags(unxmlify($xml->diaspora_handle));
 | 
						|
 | 
						|
 | 
						|
	if($diaspora_handle != $msg['author']) {
 | 
						|
		logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
 | 
						|
		return 202;
 | 
						|
	}
 | 
						|
 | 
						|
	$contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
 | 
						|
	if(! $contact)
 | 
						|
		return;
 | 
						|
 | 
						|
	//if($contact['blocked']) {
 | 
						|
	//	logger('diaspora_post: Ignoring this author.');
 | 
						|
	//	return 202;
 | 
						|
	//}
 | 
						|
 | 
						|
	$name = unxmlify($xml->first_name) . ((strlen($xml->last_name)) ? ' ' . unxmlify($xml->last_name) : '');
 | 
						|
	$image_url = unxmlify($xml->image_url);
 | 
						|
	$birthday = unxmlify($xml->birthday);
 | 
						|
	$location = diaspora2bb(unxmlify($xml->location));
 | 
						|
	$about = diaspora2bb(unxmlify($xml->bio));
 | 
						|
	$gender = unxmlify($xml->gender);
 | 
						|
	$searchable = (unxmlify($xml->searchable) == "true");
 | 
						|
	$nsfw = (unxmlify($xml->nsfw) == "true");
 | 
						|
	$tags = unxmlify($xml->tag_string);
 | 
						|
 | 
						|
	$tags = explode("#", $tags);
 | 
						|
 | 
						|
	$keywords = array();
 | 
						|
	foreach ($tags as $tag) {
 | 
						|
		$tag = trim(strtolower($tag));
 | 
						|
		if ($tag != "")
 | 
						|
			$keywords[] = $tag;
 | 
						|
	}
 | 
						|
 | 
						|
	$keywords = implode(", ", $keywords);
 | 
						|
 | 
						|
	$handle_parts = explode("@", $diaspora_handle);
 | 
						|
	$nick = $handle_parts[0];
 | 
						|
 | 
						|
	if($name === '') {
 | 
						|
		$name = $handle_parts[0];
 | 
						|
	}
 | 
						|
 | 
						|
	if( preg_match("|^https?://|", $image_url) === 0) {
 | 
						|
		$image_url = "http://" . $handle_parts[1] . $image_url;
 | 
						|
	}
 | 
						|
 | 
						|
/*	$r = q("SELECT DISTINCT ( `resource-id` ) FROM `photo` WHERE  `uid` = %d AND `contact-id` = %d AND `album` = 'Contact Photos' ",
 | 
						|
		intval($importer['uid']),
 | 
						|
		intval($contact['id'])
 | 
						|
	);
 | 
						|
	$oldphotos = ((count($r)) ? $r : null);*/
 | 
						|
 | 
						|
	require_once('include/Photo.php');
 | 
						|
 | 
						|
	$images = import_profile_photo($image_url,$importer['uid'],$contact['id']);
 | 
						|
 | 
						|
	// Generic birthday. We don't know the timezone. The year is irrelevant.
 | 
						|
 | 
						|
	$birthday = str_replace('1000','1901',$birthday);
 | 
						|
 | 
						|
	if ($birthday != "")
 | 
						|
		$birthday = datetime_convert('UTC','UTC',$birthday,'Y-m-d');
 | 
						|
 | 
						|
	// this is to prevent multiple birthday notifications in a single year
 | 
						|
	// if we already have a stored birthday and the 'm-d' part hasn't changed, preserve the entry, which will preserve the notify year
 | 
						|
 | 
						|
	if(substr($birthday,5) === substr($contact['bd'],5))
 | 
						|
		$birthday = $contact['bd'];
 | 
						|
 | 
						|
	/// @TODO Update name on item['author-name'] if the name changed. See consume_feed()
 | 
						|
	/// (Not doing this currently because D* protocol is scheduled for revision soon).
 | 
						|
 | 
						|
	$r = q("UPDATE `contact` SET `name` = '%s', `nick` = '%s', `addr` = '%s', `name-date` = '%s', `photo` = '%s', `thumb` = '%s', `micro` = '%s', `avatar-date` = '%s' , `bd` = '%s', `location` = '%s', `about` = '%s', `keywords` = '%s', `gender` = '%s' WHERE `id` = %d AND `uid` = %d",
 | 
						|
		dbesc($name),
 | 
						|
		dbesc($nick),
 | 
						|
		dbesc($diaspora_handle),
 | 
						|
		dbesc(datetime_convert()),
 | 
						|
		dbesc($image_url),
 | 
						|
		dbesc($images[1]),
 | 
						|
		dbesc($images[2]),
 | 
						|
		dbesc(datetime_convert()),
 | 
						|
		dbesc($birthday),
 | 
						|
		dbesc($location),
 | 
						|
		dbesc($about),
 | 
						|
		dbesc($keywords),
 | 
						|
		dbesc($gender),
 | 
						|
		intval($contact['id']),
 | 
						|
		intval($importer['uid'])
 | 
						|
	);
 | 
						|
 | 
						|
	if ($searchable) {
 | 
						|
		require_once('include/socgraph.php');
 | 
						|
		poco_check($contact['url'], $name, NETWORK_DIASPORA, $image_url, $about, $location, $gender, $keywords, "",
 | 
						|
			datetime_convert(), 2, $contact['id'], $importer['uid']);
 | 
						|
	}
 | 
						|
 | 
						|
	update_gcontact(array("url" => $contact['url'], "network" => NETWORK_DIASPORA, "generation" => 2,
 | 
						|
				"photo" => $image_url, "name" => $name, "location" => $location,
 | 
						|
				"about" => $about, "birthday" => $birthday, "gender" => $gender,
 | 
						|
				"addr" => $diaspora_handle, "nick" => $nick, "keywords" => $keywords,
 | 
						|
				"hide" => !$searchable, "nsfw" => $nsfw));
 | 
						|
 | 
						|
/*	if($r) {
 | 
						|
		if($oldphotos) {
 | 
						|
			foreach($oldphotos as $ph) {
 | 
						|
				q("DELETE FROM `photo` WHERE `uid` = %d AND `contact-id` = %d AND `album` = 'Contact Photos' AND `resource-id` = '%s' ",
 | 
						|
					intval($importer['uid']),
 | 
						|
					intval($contact['id']),
 | 
						|
					dbesc($ph['resource-id'])
 | 
						|
				);
 | 
						|
			}
 | 
						|
		}
 | 
						|
	}	*/
 | 
						|
 | 
						|
	return;
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
function diaspora_share($me,$contact) {
 | 
						|
	$a = get_app();
 | 
						|
	$myaddr = $me['nickname'] . '@' .  substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
 | 
						|
	$theiraddr = $contact['addr'];
 | 
						|
 | 
						|
	$tpl = get_markup_template('diaspora_share.tpl');
 | 
						|
	$msg = replace_macros($tpl, array(
 | 
						|
		'$sender' => $myaddr,
 | 
						|
		'$recipient' => $theiraddr
 | 
						|
	));
 | 
						|
 | 
						|
	$slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey'])));
 | 
						|
	//$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey']));
 | 
						|
 | 
						|
	return(diaspora_transmit($owner,$contact,$slap, false));
 | 
						|
}
 | 
						|
 | 
						|
function diaspora_unshare($me,$contact) {
 | 
						|
 | 
						|
	$a = get_app();
 | 
						|
	$myaddr = $me['nickname'] . '@' .  substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
 | 
						|
 | 
						|
	$tpl = get_markup_template('diaspora_retract.tpl');
 | 
						|
	$msg = replace_macros($tpl, array(
 | 
						|
		'$guid'   => $me['guid'],
 | 
						|
		'$type'   => 'Person',
 | 
						|
		'$handle' => $myaddr
 | 
						|
	));
 | 
						|
 | 
						|
	$slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey'])));
 | 
						|
	//$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey']));
 | 
						|
 | 
						|
	return(diaspora_transmit($owner,$contact,$slap, false));
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
function diaspora_send_status($item,$owner,$contact,$public_batch = false) {
 | 
						|
 | 
						|
	$a = get_app();
 | 
						|
	$myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
 | 
						|
	$theiraddr = $contact['addr'];
 | 
						|
 | 
						|
	$images = array();
 | 
						|
 | 
						|
	$title = $item['title'];
 | 
						|
	$body = $item['body'];
 | 
						|
 | 
						|
/*
 | 
						|
	// We're trying to match Diaspora's split message/photo protocol but
 | 
						|
	// all the photos are displayed on D* as links and not img's - even
 | 
						|
	// though we're sending pretty much precisely what they send us when
 | 
						|
	// doing the same operation.  
 | 
						|
	// Commented out for now, we'll use bb2diaspora to convert photos to markdown
 | 
						|
	// which seems to get through intact.
 | 
						|
 | 
						|
	$cnt = preg_match_all('|\[img\](.*?)\[\/img\]|',$body,$matches,PREG_SET_ORDER);
 | 
						|
	if($cnt) {
 | 
						|
		foreach($matches as $mtch) {
 | 
						|
			$detail = array();
 | 
						|
			$detail['str'] = $mtch[0];
 | 
						|
			$detail['path'] = dirname($mtch[1]) . '/';
 | 
						|
			$detail['file'] = basename($mtch[1]);
 | 
						|
			$detail['guid'] = $item['guid'];
 | 
						|
			$detail['handle'] = $myaddr;
 | 
						|
			$images[] = $detail;
 | 
						|
			$body = str_replace($detail['str'],$mtch[1],$body);
 | 
						|
		}
 | 
						|
	}
 | 
						|
*/
 | 
						|
 | 
						|
	//if(strlen($title))
 | 
						|
	//	$body = "[b]".html_entity_decode($title)."[/b]\n\n".$body;
 | 
						|
 | 
						|
	// convert to markdown
 | 
						|
	$body = xmlify(html_entity_decode(bb2diaspora($body)));
 | 
						|
	//$body = bb2diaspora($body);
 | 
						|
 | 
						|
	// Adding the title
 | 
						|
	if(strlen($title))
 | 
						|
		$body = "## ".html_entity_decode($title)."\n\n".$body;
 | 
						|
 | 
						|
	if($item['attach']) {
 | 
						|
		$cnt = preg_match_all('/href=\"(.*?)\"(.*?)title=\"(.*?)\"/ism',$item['attach'],$matches,PREG_SET_ORDER);
 | 
						|
		if(cnt) {
 | 
						|
			$body .= "\n" . t('Attachments:') . "\n";
 | 
						|
			foreach($matches as $mtch) {
 | 
						|
				$body .= '[' . $mtch[3] . '](' . $mtch[1] . ')' . "\n";
 | 
						|
			}
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
 | 
						|
	$public = (($item['private']) ? 'false' : 'true');
 | 
						|
 | 
						|
	require_once('include/datetime.php');
 | 
						|
	$created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d H:i:s \U\T\C');
 | 
						|
 | 
						|
	// Detect a share element and do a reshare
 | 
						|
	// see: https://github.com/Raven24/diaspora-federation/blob/master/lib/diaspora-federation/entities/reshare.rb
 | 
						|
	if (!$item['private'] AND ($ret = diaspora_is_reshare($item["body"]))) {
 | 
						|
		$tpl = get_markup_template('diaspora_reshare.tpl');
 | 
						|
		$msg = replace_macros($tpl, array(
 | 
						|
			'$root_handle' => xmlify($ret['root_handle']),
 | 
						|
			'$root_guid' => $ret['root_guid'],
 | 
						|
			'$guid' => $item['guid'],
 | 
						|
			'$handle' => xmlify($myaddr),
 | 
						|
			'$public' => $public,
 | 
						|
			'$created' => $created,
 | 
						|
			'$provider' => $item["app"]
 | 
						|
		));
 | 
						|
	} else {
 | 
						|
		$tpl = get_markup_template('diaspora_post.tpl');
 | 
						|
		$msg = replace_macros($tpl, array(
 | 
						|
			'$body' => $body,
 | 
						|
			'$guid' => $item['guid'],
 | 
						|
			'$handle' => xmlify($myaddr),
 | 
						|
			'$public' => $public,
 | 
						|
			'$created' => $created,
 | 
						|
			'$provider' => $item["app"]
 | 
						|
		));
 | 
						|
	}
 | 
						|
 | 
						|
	logger('diaspora_send_status: '.$owner['username'].' -> '.$contact['name'].' base message: '.$msg, LOGGER_DATA);
 | 
						|
	logger('send guid '.$item['guid'], LOGGER_DEBUG);
 | 
						|
 | 
						|
	$slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
 | 
						|
	//$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
 | 
						|
 | 
						|
	$return_code = diaspora_transmit($owner,$contact,$slap,$public_batch,false,$item['guid']);
 | 
						|
 | 
						|
	logger('diaspora_send_status: guid: '.$item['guid'].' result '.$return_code, LOGGER_DEBUG);
 | 
						|
 | 
						|
	if(count($images)) {
 | 
						|
		diaspora_send_images($item,$owner,$contact,$images,$public_batch);
 | 
						|
	}
 | 
						|
 | 
						|
	return $return_code;
 | 
						|
}
 | 
						|
 | 
						|
function diaspora_is_reshare($body) {
 | 
						|
	$body = trim($body);
 | 
						|
 | 
						|
	// Skip if it isn't a pure repeated messages
 | 
						|
	// Does it start with a share?
 | 
						|
	if (strpos($body, "[share") > 0)
 | 
						|
		return(false);
 | 
						|
 | 
						|
	// Does it end with a share?
 | 
						|
	if (strlen($body) > (strrpos($body, "[/share]") + 8))
 | 
						|
		return(false);
 | 
						|
 | 
						|
	$attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
 | 
						|
	// Skip if there is no shared message in there
 | 
						|
	if ($body == $attributes)
 | 
						|
		return(false);
 | 
						|
 | 
						|
	$guid = "";
 | 
						|
	preg_match("/guid='(.*?)'/ism", $attributes, $matches);
 | 
						|
	if ($matches[1] != "")
 | 
						|
		$guid = $matches[1];
 | 
						|
 | 
						|
	preg_match('/guid="(.*?)"/ism', $attributes, $matches);
 | 
						|
	if ($matches[1] != "")
 | 
						|
		$guid = $matches[1];
 | 
						|
 | 
						|
	if ($guid != "") {
 | 
						|
		$r = q("SELECT `contact-id` FROM `item` WHERE `guid` = '%s' AND `network` IN ('%s', '%s') LIMIT 1",
 | 
						|
			dbesc($guid), NETWORK_DFRN, NETWORK_DIASPORA);
 | 
						|
		if ($r) {
 | 
						|
			$ret= array();
 | 
						|
			$ret["root_handle"] = diaspora_handle_from_contact($r[0]["contact-id"]);
 | 
						|
			$ret["root_guid"] = $guid;
 | 
						|
			return($ret);
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	$profile = "";
 | 
						|
	preg_match("/profile='(.*?)'/ism", $attributes, $matches);
 | 
						|
	if ($matches[1] != "")
 | 
						|
		$profile = $matches[1];
 | 
						|
 | 
						|
	preg_match('/profile="(.*?)"/ism', $attributes, $matches);
 | 
						|
	if ($matches[1] != "")
 | 
						|
		$profile = $matches[1];
 | 
						|
 | 
						|
	$ret= array();
 | 
						|
 | 
						|
	$ret["root_handle"] = preg_replace("=https?://(.*)/u/(.*)=ism", "$2@$1", $profile);
 | 
						|
	if (($ret["root_handle"] == $profile) OR ($ret["root_handle"] == ""))
 | 
						|
		return(false);
 | 
						|
 | 
						|
	$link = "";
 | 
						|
	preg_match("/link='(.*?)'/ism", $attributes, $matches);
 | 
						|
	if ($matches[1] != "")
 | 
						|
		$link = $matches[1];
 | 
						|
 | 
						|
	preg_match('/link="(.*?)"/ism', $attributes, $matches);
 | 
						|
	if ($matches[1] != "")
 | 
						|
		$link = $matches[1];
 | 
						|
 | 
						|
	$ret["root_guid"] = preg_replace("=https?://(.*)/posts/(.*)=ism", "$2", $link);
 | 
						|
	if (($ret["root_guid"] == $link) OR ($ret["root_guid"] == ""))
 | 
						|
		return(false);
 | 
						|
 | 
						|
	return($ret);
 | 
						|
}
 | 
						|
 | 
						|
function diaspora_send_images($item,$owner,$contact,$images,$public_batch = false) {
 | 
						|
	$a = get_app();
 | 
						|
	if(! count($images))
 | 
						|
		return;
 | 
						|
	$mysite = substr($a->get_baseurl(),strpos($a->get_baseurl(),'://') + 3) . '/photo';
 | 
						|
 | 
						|
	$tpl = get_markup_template('diaspora_photo.tpl');
 | 
						|
	foreach($images as $image) {
 | 
						|
		if(! stristr($image['path'],$mysite))
 | 
						|
			continue;
 | 
						|
		$resource = str_replace('.jpg','',$image['file']);
 | 
						|
		$resource = substr($resource,0,strpos($resource,'-'));
 | 
						|
 | 
						|
		$r = q("select * from photo where `resource-id` = '%s' and `uid` = %d limit 1",
 | 
						|
			dbesc($resource),
 | 
						|
			intval($owner['uid'])
 | 
						|
		);
 | 
						|
		if(! count($r))
 | 
						|
			continue;
 | 
						|
		$public = (($r[0]['allow_cid'] || $r[0]['allow_gid'] || $r[0]['deny_cid'] || $r[0]['deny_gid']) ? 'false' : 'true' );
 | 
						|
		$msg = replace_macros($tpl,array(
 | 
						|
			'$path' => xmlify($image['path']),
 | 
						|
			'$filename' => xmlify($image['file']),
 | 
						|
			'$msg_guid' => xmlify($image['guid']),
 | 
						|
			'$guid' => xmlify($r[0]['guid']),
 | 
						|
			'$handle' => xmlify($image['handle']),
 | 
						|
			'$public' => xmlify($public),
 | 
						|
			'$created_at' => xmlify(datetime_convert('UTC','UTC',$r[0]['created'],'Y-m-d H:i:s \U\T\C'))
 | 
						|
		));
 | 
						|
 | 
						|
 | 
						|
		logger('diaspora_send_photo: base message: ' . $msg, LOGGER_DATA);
 | 
						|
		logger('send guid '.$r[0]['guid'], LOGGER_DEBUG);
 | 
						|
 | 
						|
		$slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
 | 
						|
		//$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
 | 
						|
 | 
						|
		diaspora_transmit($owner,$contact,$slap,$public_batch,false,$r[0]['guid']);
 | 
						|
	}
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
function diaspora_send_followup($item,$owner,$contact,$public_batch = false) {
 | 
						|
 | 
						|
	$a = get_app();
 | 
						|
	$myaddr = $owner['nickname'] . '@' .  substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
 | 
						|
//	$theiraddr = $contact['addr'];
 | 
						|
 | 
						|
	// Diaspora doesn't support threaded comments, but some
 | 
						|
	// versions of Diaspora (i.e. Diaspora-pistos) support
 | 
						|
	// likes on comments
 | 
						|
	if($item['verb'] === ACTIVITY_LIKE && $item['thr-parent']) {
 | 
						|
		$p = q("select guid, type, uri, `parent-uri` from item where uri = '%s' limit 1",
 | 
						|
			dbesc($item['thr-parent'])
 | 
						|
		      );
 | 
						|
	}
 | 
						|
	else {
 | 
						|
		// The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
 | 
						|
		// return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
 | 
						|
		// The only item with `parent` and `id` as the parent id is the parent item.
 | 
						|
		$p = q("select guid, type, uri, `parent-uri` from item where parent = %d and id = %d limit 1",
 | 
						|
			intval($item['parent']),
 | 
						|
			intval($item['parent'])
 | 
						|
		);
 | 
						|
	}
 | 
						|
	if(count($p))
 | 
						|
		$parent = $p[0];
 | 
						|
	else
 | 
						|
		return;
 | 
						|
 | 
						|
	if($item['verb'] === ACTIVITY_LIKE) {
 | 
						|
		$tpl = get_markup_template('diaspora_like.tpl');
 | 
						|
		$like = true;
 | 
						|
		$target_type = ( $parent['uri'] === $parent['parent-uri']  ? 'Post' : 'Comment');
 | 
						|
//		$target_type = (strpos($parent['type'], 'comment') ? 'Comment' : 'Post');
 | 
						|
//		$positive = (($item['deleted']) ? 'false' : 'true');
 | 
						|
		$positive = 'true';
 | 
						|
 | 
						|
		if(($item['deleted']))
 | 
						|
			logger('diaspora_send_followup: received deleted "like". Those should go to diaspora_send_retraction');
 | 
						|
	}
 | 
						|
	else {
 | 
						|
		$tpl = get_markup_template('diaspora_comment.tpl');
 | 
						|
		$like = false;
 | 
						|
	}
 | 
						|
 | 
						|
	$text = html_entity_decode(bb2diaspora($item['body']));
 | 
						|
 | 
						|
	// sign it
 | 
						|
 | 
						|
	if($like)
 | 
						|
		$signed_text =  $positive . ';' . $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $myaddr;
 | 
						|
	else
 | 
						|
		$signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $myaddr;
 | 
						|
 | 
						|
	$authorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
 | 
						|
 | 
						|
	$msg = replace_macros($tpl,array(
 | 
						|
		'$guid' => xmlify($item['guid']),
 | 
						|
		'$parent_guid' => xmlify($parent['guid']),
 | 
						|
		'$target_type' =>xmlify($target_type),
 | 
						|
		'$authorsig' => xmlify($authorsig),
 | 
						|
		'$body' => xmlify($text),
 | 
						|
		'$positive' => xmlify($positive),
 | 
						|
		'$handle' => xmlify($myaddr)
 | 
						|
	));
 | 
						|
 | 
						|
	logger('diaspora_followup: base message: ' . $msg, LOGGER_DATA);
 | 
						|
	logger('send guid '.$item['guid'], LOGGER_DEBUG);
 | 
						|
 | 
						|
	$slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
 | 
						|
	//$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
 | 
						|
 | 
						|
	return(diaspora_transmit($owner,$contact,$slap,$public_batch,false,$item['guid']));
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
function diaspora_send_relay($item,$owner,$contact,$public_batch = false) {
 | 
						|
 | 
						|
 | 
						|
	$a = get_app();
 | 
						|
	$myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
 | 
						|
//	$theiraddr = $contact['addr'];
 | 
						|
 | 
						|
	// Diaspora doesn't support threaded comments, but some
 | 
						|
	// versions of Diaspora (i.e. Diaspora-pistos) support
 | 
						|
	// likes on comments
 | 
						|
	if($item['verb'] === ACTIVITY_LIKE && $item['thr-parent']) {
 | 
						|
		$p = q("select guid, type, uri, `parent-uri` from item where uri = '%s' limit 1",
 | 
						|
			dbesc($item['thr-parent'])
 | 
						|
		      );
 | 
						|
	}
 | 
						|
	else {
 | 
						|
		// The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
 | 
						|
		// return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
 | 
						|
		// The only item with `parent` and `id` as the parent id is the parent item.
 | 
						|
		$p = q("select guid, type, uri, `parent-uri` from item where parent = %d and id = %d limit 1",
 | 
						|
		       intval($item['parent']),
 | 
						|
		       intval($item['parent'])
 | 
						|
		      );
 | 
						|
	}
 | 
						|
	if(count($p))
 | 
						|
		$parent = $p[0];
 | 
						|
	else
 | 
						|
		return;
 | 
						|
 | 
						|
	$like = false;
 | 
						|
	$relay_retract = false;
 | 
						|
	$sql_sign_id = 'iid';
 | 
						|
	if( $item['deleted']) {
 | 
						|
		$relay_retract = true;
 | 
						|
 | 
						|
		$target_type = ( ($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
 | 
						|
 | 
						|
		$sql_sign_id = 'retract_iid';
 | 
						|
		$tpl = get_markup_template('diaspora_relayable_retraction.tpl');
 | 
						|
	}
 | 
						|
	elseif($item['verb'] === ACTIVITY_LIKE) {
 | 
						|
		$like = true;
 | 
						|
 | 
						|
		$target_type = ( $parent['uri'] === $parent['parent-uri']  ? 'Post' : 'Comment');
 | 
						|
//		$positive = (($item['deleted']) ? 'false' : 'true');
 | 
						|
		$positive = 'true';
 | 
						|
 | 
						|
		$tpl = get_markup_template('diaspora_like_relay.tpl');
 | 
						|
	}
 | 
						|
	else { // item is a comment
 | 
						|
		$tpl = get_markup_template('diaspora_comment_relay.tpl');
 | 
						|
	}
 | 
						|
 | 
						|
 | 
						|
	// fetch the original signature	if the relayable was created by a Diaspora
 | 
						|
	// or DFRN user. Relayables for other networks are not supported.
 | 
						|
 | 
						|
	$r = q("SELECT `signed_text`, `signature`, `signer` FROM `sign` WHERE " . $sql_sign_id . " = %d LIMIT 1",
 | 
						|
		intval($item['id'])
 | 
						|
	);
 | 
						|
	if(count($r)) {
 | 
						|
		$orig_sign = $r[0];
 | 
						|
		$signed_text = $orig_sign['signed_text'];
 | 
						|
		$authorsig = $orig_sign['signature'];
 | 
						|
		$handle = $orig_sign['signer'];
 | 
						|
 | 
						|
		// Split the signed text
 | 
						|
		$signed_parts = explode(";", $signed_text);
 | 
						|
 | 
						|
		// Remove the parent guid
 | 
						|
		array_shift($signed_parts);
 | 
						|
 | 
						|
		// Remove the comment guid
 | 
						|
		array_shift($signed_parts);
 | 
						|
 | 
						|
		// Remove the handle
 | 
						|
		array_pop($signed_parts);
 | 
						|
 | 
						|
		// Glue the parts together
 | 
						|
		$text = implode(";", $signed_parts);
 | 
						|
	}
 | 
						|
	else {
 | 
						|
		// This part is meant for cases where we don't have the signatur. (Which shouldn't happen with posts from Diaspora and Friendica)
 | 
						|
		// This means that the comment won't be accepted by newer Diaspora servers
 | 
						|
 | 
						|
		$body = $item['body'];
 | 
						|
		$text = html_entity_decode(bb2diaspora($body));
 | 
						|
 | 
						|
		$handle = diaspora_handle_from_contact($item['contact-id']);
 | 
						|
		if(! $handle)
 | 
						|
			return;
 | 
						|
 | 
						|
		if($relay_retract)
 | 
						|
			$signed_text = $item['guid'] . ';' . $target_type;
 | 
						|
		elseif($like)
 | 
						|
			$signed_text = $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $positive . ';' . $handle;
 | 
						|
		else
 | 
						|
			$signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $handle;
 | 
						|
 | 
						|
		$authorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
 | 
						|
	}
 | 
						|
 | 
						|
	// Sign the relayable with the top-level owner's signature
 | 
						|
	$parentauthorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
 | 
						|
 | 
						|
	$msg = replace_macros($tpl,array(
 | 
						|
		'$guid' => xmlify($item['guid']),
 | 
						|
		'$parent_guid' => xmlify($parent['guid']),
 | 
						|
		'$target_type' =>xmlify($target_type),
 | 
						|
		'$authorsig' => xmlify($authorsig),
 | 
						|
		'$parentsig' => xmlify($parentauthorsig),
 | 
						|
		'$body' => xmlify($text),
 | 
						|
		'$positive' => xmlify($positive),
 | 
						|
		'$handle' => xmlify($handle)
 | 
						|
	));
 | 
						|
 | 
						|
	logger('diaspora_send_relay: base message: ' . $msg, LOGGER_DATA);
 | 
						|
	logger('send guid '.$item['guid'], LOGGER_DEBUG);
 | 
						|
 | 
						|
	$slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
 | 
						|
	//$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
 | 
						|
 | 
						|
	return(diaspora_transmit($owner,$contact,$slap,$public_batch,false,$item['guid']));
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
 | 
						|
function diaspora_send_retraction($item,$owner,$contact,$public_batch = false) {
 | 
						|
 | 
						|
	$a = get_app();
 | 
						|
	$myaddr = $owner['nickname'] . '@' .  substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
 | 
						|
 | 
						|
	// Check whether the retraction is for a top-level post or whether it's a relayable
 | 
						|
	if( $item['uri'] !== $item['parent-uri'] ) {
 | 
						|
 | 
						|
		$tpl = get_markup_template('diaspora_relay_retraction.tpl');
 | 
						|
		$target_type = (($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
 | 
						|
	}
 | 
						|
	else {
 | 
						|
 | 
						|
		$tpl = get_markup_template('diaspora_signed_retract.tpl');
 | 
						|
		$target_type = 'StatusMessage';
 | 
						|
	}
 | 
						|
 | 
						|
	$signed_text = $item['guid'] . ';' . $target_type;
 | 
						|
 | 
						|
	$msg = replace_macros($tpl, array(
 | 
						|
		'$guid'   => xmlify($item['guid']),
 | 
						|
		'$type'   => xmlify($target_type),
 | 
						|
		'$handle' => xmlify($myaddr),
 | 
						|
		'$signature' => xmlify(base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256')))
 | 
						|
	));
 | 
						|
 | 
						|
	logger('send guid '.$item['guid'], LOGGER_DEBUG);
 | 
						|
 | 
						|
	$slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
 | 
						|
	//$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
 | 
						|
 | 
						|
	return(diaspora_transmit($owner,$contact,$slap,$public_batch,false,$item['guid']));
 | 
						|
}
 | 
						|
 | 
						|
function diaspora_send_mail($item,$owner,$contact) {
 | 
						|
 | 
						|
	$a = get_app();
 | 
						|
	$myaddr = $owner['nickname'] . '@' .  substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
 | 
						|
 | 
						|
	$r = q("select * from conv where id = %d and uid = %d limit 1",
 | 
						|
		intval($item['convid']),
 | 
						|
		intval($item['uid'])
 | 
						|
	);
 | 
						|
 | 
						|
	if(! count($r)) {
 | 
						|
		logger('diaspora_send_mail: conversation not found.');
 | 
						|
		return;
 | 
						|
	}
 | 
						|
	$cnv = $r[0];
 | 
						|
 | 
						|
	$conv = array(
 | 
						|
		'guid' => xmlify($cnv['guid']),
 | 
						|
		'subject' => xmlify($cnv['subject']),
 | 
						|
		'created_at' => xmlify(datetime_convert('UTC','UTC',$cnv['created'],'Y-m-d H:i:s \U\T\C')),
 | 
						|
		'diaspora_handle' => xmlify($cnv['creator']),
 | 
						|
		'participant_handles' => xmlify($cnv['recips'])
 | 
						|
	);
 | 
						|
 | 
						|
	$body = bb2diaspora($item['body']);
 | 
						|
	$created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d H:i:s \U\T\C');
 | 
						|
 | 
						|
	$signed_text =  $item['guid'] . ';' . $cnv['guid'] . ';' . $body .  ';'
 | 
						|
		. $created . ';' . $myaddr . ';' . $cnv['guid'];
 | 
						|
 | 
						|
	$sig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
 | 
						|
 | 
						|
	$msg = array(
 | 
						|
		'guid' => xmlify($item['guid']),
 | 
						|
		'parent_guid' => xmlify($cnv['guid']),
 | 
						|
		'parent_author_signature' => xmlify($sig),
 | 
						|
		'author_signature' => xmlify($sig),
 | 
						|
		'text' => xmlify($body),
 | 
						|
		'created_at' => xmlify($created),
 | 
						|
		'diaspora_handle' => xmlify($myaddr),
 | 
						|
		'conversation_guid' => xmlify($cnv['guid'])
 | 
						|
	);
 | 
						|
 | 
						|
	if($item['reply']) {
 | 
						|
		$tpl = get_markup_template('diaspora_message.tpl');
 | 
						|
		$xmsg = replace_macros($tpl, array('$msg' => $msg));
 | 
						|
	}
 | 
						|
	else {
 | 
						|
		$conv['messages'] = array($msg);
 | 
						|
		$tpl = get_markup_template('diaspora_conversation.tpl');
 | 
						|
		$xmsg = replace_macros($tpl, array('$conv' => $conv));
 | 
						|
	}
 | 
						|
 | 
						|
	logger('diaspora_conversation: ' . print_r($xmsg,true), LOGGER_DATA);
 | 
						|
	logger('send guid '.$item['guid'], LOGGER_DEBUG);
 | 
						|
 | 
						|
	$slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($xmsg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],false)));
 | 
						|
	//$slap = 'xml=' . urlencode(diaspora_msg_build($xmsg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],false));
 | 
						|
 | 
						|
	return(diaspora_transmit($owner,$contact,$slap,false,false,$item['guid']));
 | 
						|
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
function diaspora_transmit($owner,$contact,$slap,$public_batch,$queue_run=false,$guid = "") {
 | 
						|
 | 
						|
	$enabled = intval(get_config('system','diaspora_enabled'));
 | 
						|
	if(! $enabled) {
 | 
						|
		return 200;
 | 
						|
	}
 | 
						|
 | 
						|
	$a = get_app();
 | 
						|
	$logid = random_string(4);
 | 
						|
	$dest_url = (($public_batch) ? $contact['batch'] : $contact['notify']);
 | 
						|
	if(! $dest_url) {
 | 
						|
		logger('diaspora_transmit: no url for contact: ' . $contact['id'] . ' batch mode =' . $public_batch);
 | 
						|
		return 0;
 | 
						|
	}
 | 
						|
 | 
						|
	logger('diaspora_transmit: '.$logid.'-'.$guid.' '.$dest_url);
 | 
						|
 | 
						|
	if( (! $queue_run) && (was_recently_delayed($contact['id'])) ) {
 | 
						|
		$return_code = 0;
 | 
						|
	}
 | 
						|
	else {
 | 
						|
		if (!intval(get_config('system','diaspora_test'))) {
 | 
						|
			post_url($dest_url . '/', $slap);
 | 
						|
			$return_code = $a->get_curl_code();
 | 
						|
		} else {
 | 
						|
			logger('diaspora_transmit: test_mode');
 | 
						|
			return 200;
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	logger('diaspora_transmit: '.$logid.'-'.$guid.' returns: '.$return_code);
 | 
						|
 | 
						|
	if((! $return_code) || (($return_code == 503) && (stristr($a->get_curl_headers(),'retry-after')))) {
 | 
						|
		logger('diaspora_transmit: queue message');
 | 
						|
 | 
						|
		$r = q("SELECT id from queue where cid = %d and network = '%s' and content = '%s' and batch = %d limit 1",
 | 
						|
			intval($contact['id']),
 | 
						|
			dbesc(NETWORK_DIASPORA),
 | 
						|
			dbesc($slap),
 | 
						|
			intval($public_batch)
 | 
						|
		);
 | 
						|
		if(count($r)) {
 | 
						|
			logger('diaspora_transmit: add_to_queue ignored - identical item already in queue');
 | 
						|
		}
 | 
						|
		else {
 | 
						|
			// queue message for redelivery
 | 
						|
			add_to_queue($contact['id'],NETWORK_DIASPORA,$slap,$public_batch);
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
 | 
						|
	return(($return_code) ? $return_code : (-1));
 | 
						|
}
 | 
						|
 | 
						|
function diaspora_fetch_relay() {
 | 
						|
 | 
						|
	$serverdata = get_config("system", "relay_server");
 | 
						|
	if ($serverdata == "")
 | 
						|
		return array();
 | 
						|
 | 
						|
	$relay = array();
 | 
						|
 | 
						|
	$servers = explode(",", $serverdata);
 | 
						|
 | 
						|
	foreach($servers AS $server) {
 | 
						|
		$server = trim($server);
 | 
						|
		$batch = $server."/receive/public";
 | 
						|
 | 
						|
		$relais = q("SELECT `batch`, `id`, `name`,`network` FROM `contact` WHERE `uid` = 0 AND `batch` = '%s' LIMIT 1", dbesc($batch));
 | 
						|
 | 
						|
		if (!$relais) {
 | 
						|
			$addr = "relay@".str_replace("http://", "", normalise_link($server));
 | 
						|
 | 
						|
			$r = q("INSERT INTO `contact` (`uid`, `created`, `name`, `nick`, `addr`, `url`, `nurl`, `batch`, `network`, `rel`, `blocked`, `pending`, `writable`, `name-date`, `uri-date`, `avatar-date`)
 | 
						|
				VALUES (0, '%s', '%s', 'relay', '%s', '%s', '%s', '%s', '%s', %d, 0, 0, 1, '%s', '%s', '%s')",
 | 
						|
				datetime_convert(),
 | 
						|
				dbesc($addr),
 | 
						|
				dbesc($addr),
 | 
						|
				dbesc($server),
 | 
						|
				dbesc(normalise_link($server)),
 | 
						|
				dbesc($batch),
 | 
						|
				dbesc(NETWORK_DIASPORA),
 | 
						|
				intval(CONTACT_IS_FOLLOWER),
 | 
						|
				dbesc(datetime_convert()),
 | 
						|
				dbesc(datetime_convert()),
 | 
						|
				dbesc(datetime_convert())
 | 
						|
			);
 | 
						|
 | 
						|
			$relais = q("SELECT `batch`, `id`, `name`,`network` FROM `contact` WHERE `uid` = 0 AND `batch` = '%s' LIMIT 1", dbesc($batch));
 | 
						|
			if ($relais)
 | 
						|
				$relay[] = $relais[0];
 | 
						|
		} else
 | 
						|
			$relay[] = $relais[0];
 | 
						|
	}
 | 
						|
 | 
						|
	return $relay;
 | 
						|
}
 |