<?php require_once('Scrape.php'); function follow_init(&$a) { if(! local_user()) { notice( t('Permission denied.') . EOL); goaway($_SESSION['return_url']); // NOTREACHED } $uid = local_user(); $url = $orig_url = notags(trim($_REQUEST['url'])); $return_url = $_SESSION['return_url']; // remove ajax junk, e.g. Twitter $url = str_replace('/#!/','/',$url); if(! allowed_url($url)) { notice( t('Disallowed profile URL.') . EOL); goaway($return_url); // NOTREACHED } if(! $url) { notice( t('Connect URL missing.') . EOL); goaway($return_url); // NOTREACHED } $arr = array('url' => $url, 'contact' => array()); call_hooks('follow', $arr); if(x($arr['contact'],'name')) $ret = $arr['contact']; else $ret = probe_url($url); if($ret['network'] === NETWORK_DFRN) { if(strlen($a->path)) $myaddr = bin2hex($a->get_baseurl() . '/profile/' . $a->user['nickname']); else $myaddr = bin2hex($a->user['nickname'] . '@' . $a->get_hostname()); goaway($ret['request'] . "&addr=$myaddr"); // NOTREACHED } else { if(get_config('system','dfrn_only')) { notice( t('This site is not configured to allow communications with other networks.') . EOL); notice( t('No compatible communication protocols or feeds were discovered.') . EOL); goaway($return_url); } } // This extra param just confuses things, remove it if($ret['network'] === NETWORK_DIASPORA) $ret['url'] = str_replace('?absolute=true','',$ret['url']); // do we have enough information? if(! ((x($ret,'name')) && (x($ret,'poll')) && ((x($ret,'url')) || (x($ret,'addr'))))) { notice( t('The profile address specified does not provide adequate information.') . EOL); if(! x($ret,'poll')) notice( t('No compatible communication protocols or feeds were discovered.') . EOL); if(! x($ret,'name')) notice( t('An author or name was not found.') . EOL); if(! x($ret,'url')) notice( t('No browser URL could be matched to this address.') . EOL); if(strpos($url,'@') !== false) { notice( t('Unable to match @-style Identity Address with a known protocol or email contact.') . EOL); notice( t('Use mailto: in front of address to force email check.') . EOL); } goaway($return_url); } if($ret['network'] === NETWORK_OSTATUS && get_config('system','ostatus_disabled')) { notice( t('The profile address specified belongs to a network which has been disabled on this site.') . EOL); $ret['notify'] = ''; } if(! $ret['notify']) { notice( t('Limited profile. This person will be unable to receive direct/personal notifications from you.') . EOL); } $writeable = ((($ret['network'] === NETWORK_OSTATUS) && ($ret['notify'])) ? 1 : 0); $hidden = (($ret['network'] === NETWORK_MAIL) ? 1 : 0); if($ret['network'] === NETWORK_MAIL) { $writeable = 1; } if($ret['network'] === NETWORK_DIASPORA) $writeable = 1; // check if we already have a contact // the poll url is more reliable than the profile url, as we may have // indirect links or webfinger links $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `poll` = '%s' LIMIT 1", intval($uid), dbesc($ret['poll']) ); if(count($r)) { // update contact if($r[0]['rel'] == CONTACT_IS_FOLLOWER || ($network === NETWORK_DIASPORA && $r[0]['rel'] == CONTACT_IS_SHARING)) { q("UPDATE `contact` SET `rel` = %d , `readonly` = 0 WHERE `id` = %d AND `uid` = %d LIMIT 1", intval(CONTACT_IS_FRIEND), intval($r[0]['id']), intval($uid) ); } } else { $new_relation = (($ret['network'] === NETWORK_MAIL) ? CONTACT_IS_FRIEND : CONTACT_IS_SHARING); if($ret['network'] === NETWORK_DIASPORA) $new_relation = CONTACT_IS_FOLLOWER; // create contact record $r = q("INSERT INTO `contact` ( `uid`, `created`, `url`, `nurl`, `addr`, `alias`, `batch`, `notify`, `poll`, `poco`, `name`, `nick`, `photo`, `network`, `pubkey`, `rel`, `priority`, `writable`, `hidden`, `blocked`, `readonly`, `pending` ) VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, %d, %d, 0, 0, 0 ) ", intval($uid), dbesc(datetime_convert()), dbesc($ret['url']), dbesc(normalise_link($ret['url'])), dbesc($ret['addr']), dbesc($ret['alias']), dbesc($ret['batch']), dbesc($ret['notify']), dbesc($ret['poll']), dbesc($ret['poco']), dbesc($ret['name']), dbesc($ret['nick']), dbesc($ret['photo']), dbesc($ret['network']), dbesc($ret['pubkey']), intval($new_relation), intval($ret['priority']), intval($writeable), intval($hidden) ); } $r = q("SELECT * FROM `contact` WHERE `url` = '%s' AND `uid` = %d LIMIT 1", dbesc($ret['url']), intval($uid) ); if(! count($r)) { notice( t('Unable to retrieve contact information.') . EOL); goaway($return_url); // NOTREACHED } $contact = $r[0]; $contact_id = $r[0]['id']; $g = q("select def_gid from user where uid = %d limit 1", intval($uid) ); if($g && intval($g[0]['def_gid'])) { require_once('include/group.php'); group_add_member($uid,'',$contact_id,$g[0]['def_gid']); } require_once("Photo.php"); $photos = import_profile_photo($ret['photo'],$uid,$contact_id); $r = q("UPDATE `contact` SET `photo` = '%s', `thumb` = '%s', `micro` = '%s', `name-date` = '%s', `uri-date` = '%s', `avatar-date` = '%s' WHERE `id` = %d LIMIT 1 ", dbesc($photos[0]), dbesc($photos[1]), dbesc($photos[2]), dbesc(datetime_convert()), dbesc(datetime_convert()), dbesc(datetime_convert()), intval($contact_id) ); // pull feed and consume it, which should subscribe to the hub. proc_run('php',"include/poller.php","$contact_id"); // create a follow slap $tpl = get_markup_template('follow_slap.tpl'); $slap = replace_macros($tpl, array( '$name' => $a->user['username'], '$profile_page' => $a->get_baseurl() . '/profile/' . $a->user['nickname'], '$photo' => $a->contact['photo'], '$thumb' => $a->contact['thumb'], '$published' => datetime_convert('UTC','UTC', 'now', ATOM_TIME), '$item_id' => 'urn:X-dfrn:' . $a->get_hostname() . ':follow:' . random_string(), '$title' => '', '$type' => 'text', '$content' => t('following'), '$nick' => $a->user['nickname'], '$verb' => ACTIVITY_FOLLOW, '$ostat_follow' => '' )); $r = q("SELECT `contact`.*, `user`.* FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid` WHERE `user`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1", intval($uid) ); if(count($r)) { if(($contact['network'] == NETWORK_OSTATUS) && (strlen($contact['notify']))) { require_once('include/salmon.php'); slapper($r[0],$contact['notify'],$slap); } if($contact['network'] == NETWORK_DIASPORA) { require_once('include/diaspora.php'); $ret = diaspora_share($a->user,$contact); logger('mod_follow: diaspora_share returns: ' . $ret); } } if(strstr($return_url,'contacts')) goaway($a->get_baseurl() . '/contacts/' . $contact_id); goaway($return_url); // NOTREACHED }