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