284 lines
		
	
	
	
		
			7.9 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			284 lines
		
	
	
	
		
			7.9 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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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) {
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	$result = array('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(! $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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		$ret = probe_url($url);
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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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				$myaddr = bin2hex($a->get_baseurl() . '/profile/' . $a->user['nickname']);
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			else
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				$myaddr = bin2hex($a->user['nickname'] . '@' . $a->get_hostname());
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			goaway($ret['request'] . "&addr=$myaddr");
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			// NOTREACHED
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		}
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	}
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	else {
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		if(get_config('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 $result;
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		}
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	}
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	// This extra param just confuses things, remove it
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	if($ret['network'] === NETWORK_DIASPORA)
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		$ret['url'] = str_replace('?absolute=true','',$ret['url']);
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	// 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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			$result['message'] .= t('No compatible communication protocols or feeds were discovered.') . EOL;
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		if(! x($ret,'name'))
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			$result['message'] .=  t('An author or name was not found.') . EOL;
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		if(! x($ret,'url'))
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			$result['message'] .=  t('No browser URL could be matched to this address.') . EOL;
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		if(strpos($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 && get_config('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($ret['network'] === NETWORK_MAIL) {
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		$writeable = 1;
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	}
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	if($ret['network'] === NETWORK_DIASPORA)
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		$writeable = 1;
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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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	$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `poll` = '%s' LIMIT 1",
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		intval($uid),
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		dbesc($ret['poll'])
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	);			
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	if(count($r)) {
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		// update contact
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		if($r[0]['rel'] == CONTACT_IS_FOLLOWER || ($network === NETWORK_DIASPORA && $r[0]['rel'] == CONTACT_IS_SHARING)) {
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			q("UPDATE `contact` SET `rel` = %d , `subhub` = %d, `readonly` = 0 WHERE `id` = %d AND `uid` = %d LIMIT 1",
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				intval(CONTACT_IS_FRIEND),
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				intval($subhub),
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				intval($r[0]['id']),
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				intval($uid)
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			);
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		}
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	}
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	else {
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		// check service class limits
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		$r = q("select count(*) as total from contact where uid = %d and pending = 0 and self = 0",
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			intval($uid)
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		);
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		if(count($r))
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			$total_contacts = $r[0]['total'];
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		if(! service_class_allows($uid,'total_contacts',$total_contacts)) {
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			$result['message'] .= upgrade_message();
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			return $result;
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		}
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		$r = q("select count(network) as total from contact where uid = %d and network = '%s' and pending = 0 and self = 0",
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			intval($uid),
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			dbesc($network)
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		);
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		if(count($r))
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			$total_network = $r[0]['total'];
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		if(! service_class_allows($uid,'total_contacts_' . $network,$total_network)) {
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			$result['message'] .= upgrade_message();
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			return $result;
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		}
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		$new_relation = (($ret['network'] === NETWORK_MAIL) ? CONTACT_IS_FRIEND : CONTACT_IS_SHARING);
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		if($ret['network'] === NETWORK_DIASPORA)
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			$new_relation = CONTACT_IS_FOLLOWER;
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		// create contact record 
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		$r = q("INSERT INTO `contact` ( `uid`, `created`, `url`, `nurl`, `addr`, `alias`, `batch`, `notify`, `poll`, `poco`, `name`, `nick`, `photo`, `network`, `pubkey`, `rel`, `priority`,
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			`writable`, `hidden`, `blocked`, `readonly`, `pending`, `subhub` )
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			VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, %d, %d, 0, 0, 0, %d ) ",
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			intval($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($ret['photo']),
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			dbesc($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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	$r = q("SELECT * FROM `contact` WHERE `url` = '%s' AND `uid` = %d LIMIT 1",
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		dbesc($ret['url']),
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		intval($uid)
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	);
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	if(! count($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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	$g = q("select def_gid from user where uid = %d limit 1",
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		intval($uid)
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	);
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	if($g && intval($g[0]['def_gid'])) {
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		require_once('include/group.php');
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		group_add_member($uid,'',$contact_id,$g[0]['def_gid']);
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	}
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	require_once("include/Photo.php");
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	$photos = import_profile_photo($ret['photo'],$uid,$contact_id);
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	$r = q("UPDATE `contact` SET `photo` = '%s', 
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			`thumb` = '%s',
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			`micro` = '%s', 
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			`name-date` = '%s', 
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			`uri-date` = '%s', 
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			`avatar-date` = '%s'
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			WHERE `id` = %d LIMIT 1
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		",
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			dbesc($photos[0]),
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			dbesc($photos[1]),
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			dbesc($photos[2]),
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			dbesc(datetime_convert()),
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			dbesc(datetime_convert()),
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			dbesc(datetime_convert()),
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			intval($contact_id)
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		);			
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	// pull feed and consume it, which should subscribe to the hub.
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	proc_run('php',"include/poller.php","$contact_id");
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	// create a follow slap
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	$tpl = get_markup_template('follow_slap.tpl');
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	$slap = replace_macros($tpl, array(
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		'$name' => $a->user['username'],
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		'$profile_page' => $a->get_baseurl() . '/profile/' . $a->user['nickname'],
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		'$photo' => $a->contact['photo'],
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		'$thumb' => $a->contact['thumb'],
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		'$published' => datetime_convert('UTC','UTC', 'now', ATOM_TIME),
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		'$item_id' => 'urn:X-dfrn:' . $a->get_hostname() . ':follow:' . random_string(),
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		'$title' => '',
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		'$type' => 'text',
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		'$content' => t('following'),
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		'$nick' => $a->user['nickname'],
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		'$verb' => ACTIVITY_FOLLOW,
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		'$ostat_follow' => ''
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	));
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	$r = q("SELECT `contact`.*, `user`.* FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid` 
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			WHERE `user`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
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			intval($uid)
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	);
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	if(count($r)) {
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		if(($contact['network'] == NETWORK_OSTATUS) && (strlen($contact['notify']))) {
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			require_once('include/salmon.php');
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			slapper($r[0],$contact['notify'],$slap);
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		}
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		if($contact['network'] == NETWORK_DIASPORA) {
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			require_once('include/diaspora.php');
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			$ret = diaspora_share($a->user,$contact);
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			logger('mod_follow: diaspora_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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