245 lines
6.8 KiB
PHP
245 lines
6.8 KiB
PHP
<?php
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require_once('Scrape.php');
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function follow_init(&$a) {
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if(! local_user()) {
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notice( t('Permission denied.') . EOL);
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goaway($_SESSION['return_url']);
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// NOTREACHED
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}
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$uid = local_user();
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$url = $orig_url = notags(trim($_REQUEST['url']));
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$return_url = $_SESSION['return_url'];
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// remove ajax junk, e.g. Twitter
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$url = str_replace('/#!/','/',$url);
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if(! allowed_url($url)) {
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notice( t('Disallowed profile URL.') . EOL);
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goaway($return_url);
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// NOTREACHED
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}
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if(! $url) {
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notice( t('Connect URL missing.') . EOL);
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goaway($return_url);
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// NOTREACHED
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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(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=$myaddr");
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// NOTREACHED
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}
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else {
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if(get_config('system','dfrn_only')) {
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notice( t('This site is not configured to allow communications with other networks.') . EOL);
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notice( t('No compatible communication protocols or feeds were discovered.') . EOL);
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goaway($return_url);
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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($ret,'addr'))))) {
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notice( t('The profile address specified does not provide adequate information.') . EOL);
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if(! x($ret,'poll'))
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notice( t('No compatible communication protocols or feeds were discovered.') . EOL);
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if(! x($ret,'name'))
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notice( t('An author or name was not found.') . EOL);
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if(! x($ret,'url'))
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notice( t('No browser URL could be matched to this address.') . EOL);
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if(strpos($url,'@') !== false) {
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notice( t('Unable to match @-style Identity Address with a known protocol or email contact.') . EOL);
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notice( t('Use mailto: in front of address to force email check.') . EOL);
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}
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goaway($return_url);
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}
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if($ret['network'] === NETWORK_OSTATUS && get_config('system','ostatus_disabled')) {
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notice( t('The profile address specified belongs to a network which has been disabled on this site.') . EOL);
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$ret['notify'] = '';
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}
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if(! $ret['notify']) {
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notice( t('Limited profile. This person will be unable to receive direct/personal notifications from you.') . EOL);
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}
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$writeable = ((($ret['network'] === NETWORK_OSTATUS) && ($ret['notify'])) ? 1 : 0);
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$hidden = (($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 && $r[0]['rel'] == CONTACT_IS_SHARING)) {
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q("UPDATE `contact` SET `rel` = %d , `readonly` = 0 WHERE `id` = %d AND `uid` = %d LIMIT 1",
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intval(CONTACT_IS_FRIEND),
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intval($r[0]['id']),
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intval($uid)
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);
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}
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}
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else {
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$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` )
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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 ) ",
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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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);
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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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notice( t('Unable to retrieve contact information.') . EOL);
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goaway($return_url);
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// NOTREACHED
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}
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$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("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: ' . $ret);
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}
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}
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if(strstr($return_url,'contacts'))
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goaway($a->get_baseurl() . '/contacts/' . $contact_id);
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goaway($return_url);
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// NOTREACHED
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}
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