280 lines
		
	
	
	
		
			8.4 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			280 lines
		
	
	
	
		
			8.4 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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use Friendica\App;
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use Friendica\Core\Config;
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use Friendica\Core\System;
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use Friendica\Core\Worker;
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use Friendica\Database\DBM;
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use Friendica\Network\Probe;
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use Friendica\Protocol\Diaspora;
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require_once 'include/socgraph.php';
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require_once 'include/group.php';
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require_once 'include/salmon.php';
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require_once 'include/ostatus.php';
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require_once 'include/Photo.php';
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function update_contact($id) {
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	/*
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	Warning: Never ever fetch the public key via Probe::uri and write it into the contacts.
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	This will reliably kill your communication with Friendica contacts.
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	*/
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	$r = q("SELECT `url`, `nurl`, `addr`, `alias`, `batch`, `notify`, `poll`, `poco`, `network` FROM `contact` WHERE `id` = %d", intval($id));
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	if (!$r)
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		return false;
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	$ret = Probe::uri($r[0]["url"]);
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	// If Probe::uri fails the network code will be different
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	if ($ret["network"] != $r[0]["network"])
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		return false;
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	$update = false;
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	// make sure to not overwrite existing values with blank entries
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	foreach ($ret AS $key => $val) {
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		if (isset($r[0][$key]) && ($r[0][$key] != "") && ($val == ""))
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			$ret[$key] = $r[0][$key];
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		if (isset($r[0][$key]) && ($ret[$key] != $r[0][$key]))
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			$update = true;
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	}
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	if (!$update)
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		return true;
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	q("UPDATE `contact` SET `url` = '%s', `nurl` = '%s', `addr` = '%s', `alias` = '%s', `batch` = '%s', `notify` = '%s', `poll` = '%s', `poco` = '%s' WHERE `id` = %d",
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		dbesc($ret['url']),
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		dbesc(normalise_link($ret['url'])),
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		dbesc($ret['addr']),
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		dbesc($ret['alias']),
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		dbesc($ret['batch']),
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		dbesc($ret['notify']),
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		dbesc($ret['poll']),
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		dbesc($ret['poco']),
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		intval($id)
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	);
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	// Update the corresponding gcontact entry
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	poco_last_updated($ret["url"]);
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	return true;
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}
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//
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// Takes a $uid and a url/handle and adds a new contact
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// Currently if the contact is DFRN, interactive needs to be true, to redirect to the
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// dfrn_request page.
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// Otherwise this can be used to bulk add statusnet contacts, twitter contacts, etc.
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// Returns an array
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//  $return['success'] boolean true if successful
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//  $return['message'] error text if success is false.
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function new_contact($uid, $url, $interactive = false, $network = '') {
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	$result = array('cid' => -1, 'success' => false,'message' => '');
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	$a = get_app();
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	// remove ajax junk, e.g. Twitter
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	$url = str_replace('/#!/','/',$url);
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	if (! allowed_url($url)) {
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		$result['message'] = t('Disallowed profile URL.');
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		return $result;
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	}
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	if (blocked_url($url)) {
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		$result['message'] = t('Blocked domain');
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		return $result;
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	}
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	if (! $url) {
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		$result['message'] = t('Connect URL missing.');
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		return $result;
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	}
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	$arr = array('url' => $url, 'contact' => array());
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	call_hooks('follow', $arr);
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	if (x($arr['contact'],'name')) {
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		$ret = $arr['contact'];
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	} else {
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		$ret = Probe::uri($url, $network, $uid, false);
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	}
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	if (($network != '') && ($ret['network'] != $network)) {
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		logger('Expected network '.$network.' does not match actual network '.$ret['network']);
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		return result;
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	}
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	if ($ret['network'] === NETWORK_DFRN) {
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		if ($interactive) {
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			if (strlen($a->path)) {
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				$myaddr = bin2hex(System::baseUrl() . '/profile/' . $a->user['nickname']);
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			} else {
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				$myaddr = bin2hex($a->user['nickname'] . '@' . $a->get_hostname());
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			}
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			goaway($ret['request'] . "&addr=$myaddr");
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			// NOTREACHED
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		}
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	} elseif (Config::get('system','dfrn_only')) {
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		$result['message'] = t('This site is not configured to allow communications with other networks.') . EOL;
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		$result['message'] != t('No compatible communication protocols or feeds were discovered.') . EOL;
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		return $result;
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	}
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	// This extra param just confuses things, remove it
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	if ($ret['network'] === NETWORK_DIASPORA) {
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		$ret['url'] = str_replace('?absolute=true','',$ret['url']);
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	}
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	// do we have enough information?
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	if (! ((x($ret,'name')) && (x($ret,'poll')) && ((x($ret,'url')) || (x($ret,'addr'))))) {
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		$result['message'] .=  t('The profile address specified does not provide adequate information.') . EOL;
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		if (! x($ret,'poll')) {
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			$result['message'] .= t('No compatible communication protocols or feeds were discovered.') . EOL;
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		}
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		if (! x($ret,'name')) {
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			$result['message'] .=  t('An author or name was not found.') . EOL;
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		}
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		if (! x($ret,'url')) {
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			$result['message'] .=  t('No browser URL could be matched to this address.') . EOL;
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		}
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		if (strpos($url,'@') !== false) {
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			$result['message'] .=  t('Unable to match @-style Identity Address with a known protocol or email contact.') . EOL;
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			$result['message'] .=  t('Use mailto: in front of address to force email check.') . EOL;
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		}
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		return $result;
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	}
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	if ($ret['network'] === NETWORK_OSTATUS && Config::get('system','ostatus_disabled')) {
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		$result['message'] .= t('The profile address specified belongs to a network which has been disabled on this site.') . EOL;
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		$ret['notify'] = '';
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	}
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	if (! $ret['notify']) {
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		$result['message'] .=  t('Limited profile. This person will be unable to receive direct/personal notifications from you.') . EOL;
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	}
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	$writeable = ((($ret['network'] === NETWORK_OSTATUS) && ($ret['notify'])) ? 1 : 0);
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	$subhub = (($ret['network'] === NETWORK_OSTATUS) ? true : false);
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	$hidden = (($ret['network'] === NETWORK_MAIL) ? 1 : 0);
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	if (in_array($ret['network'], array(NETWORK_MAIL, NETWORK_DIASPORA))) {
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		$writeable = 1;
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	}
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	// check if we already have a contact
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	// the poll url is more reliable than the profile url, as we may have
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	// indirect links or webfinger links
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	$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `poll` IN ('%s', '%s') AND `network` = '%s' LIMIT 1",
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		intval($uid),
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		dbesc($ret['poll']),
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		dbesc(normalise_link($ret['poll'])),
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		dbesc($ret['network'])
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	);
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	if (!DBM::is_result($r))
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		$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `nurl` = '%s' AND `network` = '%s' LIMIT 1",
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			intval($uid), dbesc(normalise_link($url)), dbesc($ret['network'])
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	);
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	if (DBM::is_result($r)) {
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		// update contact
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		$new_relation = (($r[0]['rel'] == CONTACT_IS_FOLLOWER) ? CONTACT_IS_FRIEND : CONTACT_IS_SHARING);
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		$fields = array('rel' => $new_relation, 'subhub' => $subhub, 'readonly' => false);
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		dba::update('contact', $fields, array('id' => $r[0]['id']));
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	} else {
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		$new_relation = ((in_array($ret['network'], array(NETWORK_MAIL))) ? CONTACT_IS_FRIEND : CONTACT_IS_SHARING);
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		// create contact record
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		$r = q("INSERT INTO `contact` ( `uid`, `created`, `url`, `nurl`, `addr`, `alias`, `batch`, `notify`, `poll`, `poco`, `name`, `nick`, `network`, `pubkey`, `rel`, `priority`,
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			`writable`, `hidden`, `blocked`, `readonly`, `pending`, `subhub` )
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			VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, %d, %d, 0, 0, 0, %d ) ",
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			intval($uid),
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			dbesc(datetime_convert()),
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			dbesc($ret['url']),
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			dbesc(normalise_link($ret['url'])),
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			dbesc($ret['addr']),
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			dbesc($ret['alias']),
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			dbesc($ret['batch']),
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			dbesc($ret['notify']),
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			dbesc($ret['poll']),
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			dbesc($ret['poco']),
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			dbesc($ret['name']),
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			dbesc($ret['nick']),
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			dbesc($ret['network']),
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			dbesc($ret['pubkey']),
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			intval($new_relation),
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			intval($ret['priority']),
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			intval($writeable),
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			intval($hidden),
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			intval($subhub)
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		);
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	}
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	$r = q("SELECT * FROM `contact` WHERE `url` = '%s' AND `network` = '%s' AND `uid` = %d LIMIT 1",
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		dbesc($ret['url']),
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		dbesc($ret['network']),
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		intval($uid)
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	);
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	if (! DBM::is_result($r)) {
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		$result['message'] .=  t('Unable to retrieve contact information.') . EOL;
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		return $result;
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	}
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	$contact = $r[0];
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	$contact_id  = $r[0]['id'];
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	$result['cid'] = $contact_id;
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	$def_gid = get_default_group($uid, $contact["network"]);
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	if (intval($def_gid)) {
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		group_add_member($uid, '', $contact_id, $def_gid);
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	}
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	// Update the avatar
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	update_contact_avatar($ret['photo'],$uid,$contact_id);
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	// pull feed and consume it, which should subscribe to the hub.
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	Worker::add(PRIORITY_HIGH, "onepoll", $contact_id, "force");
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	$r = q("SELECT `contact`.*, `user`.* FROM `contact` INNER JOIN `user` ON `contact`.`uid` = `user`.`uid`
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			WHERE `user`.`uid` = %d AND `contact`.`self` LIMIT 1",
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			intval($uid)
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	);
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	if (DBM::is_result($r)) {
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		if (($contact['network'] == NETWORK_OSTATUS) && (strlen($contact['notify']))) {
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			// create a follow slap
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			$item = array();
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			$item['verb'] = ACTIVITY_FOLLOW;
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			$item['follow'] = $contact["url"];
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			$slap = ostatus::salmon($item, $r[0]);
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			slapper($r[0], $contact['notify'], $slap);
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		}
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		if ($contact['network'] == NETWORK_DIASPORA) {
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			$ret = Diaspora::send_share($a->user,$contact);
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			logger('share returns: '.$ret);
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		}
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	}
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	$result['success'] = true;
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	return $result;
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}
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