<?php /** * @file src/Model/Contact.php */ namespace Friendica\Model; use Friendica\App\BaseURL; use Friendica\BaseObject; use Friendica\Content\Pager; use Friendica\Core\Config; use Friendica\Core\Hook; use Friendica\Core\L10n; use Friendica\Core\Logger; use Friendica\Core\Protocol; use Friendica\Core\System; use Friendica\Core\Worker; use Friendica\Database\DBA; use Friendica\Network\Probe; use Friendica\Object\Image; use Friendica\Protocol\ActivityPub; use Friendica\Protocol\DFRN; use Friendica\Protocol\Diaspora; use Friendica\Protocol\OStatus; use Friendica\Protocol\PortableContact; use Friendica\Protocol\Salmon; use Friendica\Util\DateTimeFormat; use Friendica\Util\Network; use Friendica\Util\Strings; /** * @brief functions for interacting with a contact */ class Contact extends BaseObject { /** * @deprecated since version 2019.03 * @see User::PAGE_FLAGS_NORMAL */ const PAGE_NORMAL = User::PAGE_FLAGS_NORMAL; /** * @deprecated since version 2019.03 * @see User::PAGE_FLAGS_SOAPBOX */ const PAGE_SOAPBOX = User::PAGE_FLAGS_SOAPBOX; /** * @deprecated since version 2019.03 * @see User::PAGE_FLAGS_COMMUNITY */ const PAGE_COMMUNITY = User::PAGE_FLAGS_COMMUNITY; /** * @deprecated since version 2019.03 * @see User::PAGE_FLAGS_FREELOVE */ const PAGE_FREELOVE = User::PAGE_FLAGS_FREELOVE; /** * @deprecated since version 2019.03 * @see User::PAGE_FLAGS_BLOG */ const PAGE_BLOG = User::PAGE_FLAGS_BLOG; /** * @deprecated since version 2019.03 * @see User::PAGE_FLAGS_PRVGROUP */ const PAGE_PRVGROUP = User::PAGE_FLAGS_PRVGROUP; /** * @} */ /** * Account types * * TYPE_UNKNOWN - the account has been imported from gcontact where this is the default type value * * TYPE_PERSON - the account belongs to a person * Associated page types: PAGE_NORMAL, PAGE_SOAPBOX, PAGE_FREELOVE * * TYPE_ORGANISATION - the account belongs to an organisation * Associated page type: PAGE_SOAPBOX * * TYPE_NEWS - the account is a news reflector * Associated page type: PAGE_SOAPBOX * * TYPE_COMMUNITY - the account is community forum * Associated page types: PAGE_COMMUNITY, PAGE_PRVGROUP * * TYPE_RELAY - the account is a relay * This will only be assigned to contacts, not to user accounts * @{ */ const TYPE_UNKNOWN = -1; const TYPE_PERSON = User::ACCOUNT_TYPE_PERSON; const TYPE_ORGANISATION = User::ACCOUNT_TYPE_ORGANISATION; const TYPE_NEWS = User::ACCOUNT_TYPE_NEWS; const TYPE_COMMUNITY = User::ACCOUNT_TYPE_COMMUNITY; const TYPE_RELAY = User::ACCOUNT_TYPE_RELAY; /** * @} */ /** * Contact_is * * Relationship types * @{ */ const FOLLOWER = 1; const SHARING = 2; const FRIEND = 3; /** * @} */ /** * @param array $fields Array of selected fields, empty for all * @param array $condition Array of fields for condition * @param array $params Array of several parameters * @return array * @throws \Exception */ public static function selectToArray(array $fields = [], array $condition = [], array $params = []) { return DBA::selectToArray('contact', $fields, $condition, $params); } /** * @param array $fields Array of selected fields, empty for all * @param array $condition Array of fields for condition * @param array $params Array of several parameters * @return array * @throws \Exception */ public static function selectFirst(array $fields = [], array $condition = [], array $params = []) { $contact = DBA::selectFirst('contact', $fields, $condition, $params); return $contact; } /** * @param integer $id Contact ID * @param array $fields Array of selected fields, empty for all * @return array|boolean Contact record if it exists, false otherwise * @throws \Exception */ public static function getById($id, $fields = []) { return DBA::selectFirst('contact', $fields, ['id' => $id]); } /** * @brief Tests if the given contact is a follower * * @param int $cid Either public contact id or user's contact id * @param int $uid User ID * * @return boolean is the contact id a follower? * @throws \Friendica\Network\HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function isFollower($cid, $uid) { if (self::isBlockedByUser($cid, $uid)) { return false; } $cdata = self::getPublicAndUserContacID($cid, $uid); if (empty($cdata['user'])) { return false; } $condition = ['id' => $cdata['user'], 'rel' => [self::FOLLOWER, self::FRIEND]]; return DBA::exists('contact', $condition); } /** * @brief Tests if the given contact url is a follower * * @param string $url Contact URL * @param int $uid User ID * * @return boolean is the contact id a follower? * @throws \Friendica\Network\HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function isFollowerByURL($url, $uid) { $cid = self::getIdForURL($url, $uid, true); if (empty($cid)) { return false; } return self::isFollower($cid, $uid); } /** * @brief Tests if the given user follow the given contact * * @param int $cid Either public contact id or user's contact id * @param int $uid User ID * * @return boolean is the contact url being followed? * @throws \Friendica\Network\HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function isSharing($cid, $uid) { if (self::isBlockedByUser($cid, $uid)) { return false; } $cdata = self::getPublicAndUserContacID($cid, $uid); if (empty($cdata['user'])) { return false; } $condition = ['id' => $cdata['user'], 'rel' => [self::SHARING, self::FRIEND]]; return DBA::exists('contact', $condition); } /** * @brief Tests if the given user follow the given contact url * * @param string $url Contact URL * @param int $uid User ID * * @return boolean is the contact url being followed? * @throws \Friendica\Network\HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function isSharingByURL($url, $uid) { $cid = self::getIdForURL($url, $uid, true); if (empty($cid)) { return false; } return self::isSharing($cid, $uid); } /** * @brief Get the basepath for a given contact link * * @param string $url The contact link * * @return string basepath * @throws \Friendica\Network\HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function getBasepath($url) { $contact = DBA::selectFirst('contact', ['baseurl'], ['uid' => 0, 'nurl' => Strings::normaliseLink($url)]); if (!empty($contact['baseurl'])) { return $contact['baseurl']; } self::updateFromProbeByURL($url, true); $contact = DBA::selectFirst('contact', ['baseurl'], ['uid' => 0, 'nurl' => Strings::normaliseLink($url)]); if (!empty($contact['baseurl'])) { return $contact['baseurl']; } return ''; } /** * Returns the public contact id of the given user id * * @param integer $uid User ID * * @return integer|boolean Public contact id for given user id * @throws Exception */ public static function getPublicIdByUserId($uid) { $self = DBA::selectFirst('contact', ['url'], ['self' => true, 'uid' => $uid]); if (!DBA::isResult($self)) { return false; } return self::getIdForURL($self['url'], 0, true); } /** * @brief Returns the contact id for the user and the public contact id for a given contact id * * @param int $cid Either public contact id or user's contact id * @param int $uid User ID * * @return array with public and user's contact id * @throws \Friendica\Network\HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function getPublicAndUserContacID($cid, $uid) { if (empty($uid) || empty($cid)) { return []; } $contact = DBA::selectFirst('contact', ['id', 'uid', 'url'], ['id' => $cid]); if (!DBA::isResult($contact)) { return []; } // We quit when the user id don't match the user id of the provided contact if (($contact['uid'] != $uid) && ($contact['uid'] != 0)) { return []; } if ($contact['uid'] != 0) { $pcid = Contact::getIdForURL($contact['url'], 0, true, ['url' => $contact['url']]); if (empty($pcid)) { return []; } $ucid = $contact['id']; } else { $pcid = $contact['id']; $ucid = Contact::getIdForURL($contact['url'], $uid, true); } return ['public' => $pcid, 'user' => $ucid]; } /** * Returns contact details for a given contact id in combination with a user id * * @param int $cid A contact ID * @param int $uid The User ID * @param array $fields The selected fields for the contact * * @return array The contact details * * @throws \Exception */ public static function getContactForUser($cid, $uid, array $fields = []) { $contact = DBA::selectFirst('contact', $fields, ['id' => $cid, 'uid' => $uid]); if (!DBA::isResult($contact)) { return []; } else { return $contact; } } /** * @brief Block contact id for user id * * @param int $cid Either public contact id or user's contact id * @param int $uid User ID * @param boolean $blocked Is the contact blocked or unblocked? * @throws \Exception */ public static function setBlockedForUser($cid, $uid, $blocked) { $cdata = self::getPublicAndUserContacID($cid, $uid); if (empty($cdata)) { return; } if ($cdata['user'] != 0) { DBA::update('contact', ['blocked' => $blocked], ['id' => $cdata['user'], 'pending' => false]); } DBA::update('user-contact', ['blocked' => $blocked], ['cid' => $cdata['public'], 'uid' => $uid], true); if ($blocked) { // Blocked contact can't be in any group self::removeFromGroups($cid); } } /** * @brief Returns "block" state for contact id and user id * * @param int $cid Either public contact id or user's contact id * @param int $uid User ID * * @return boolean is the contact id blocked for the given user? * @throws \Exception */ public static function isBlockedByUser($cid, $uid) { $cdata = self::getPublicAndUserContacID($cid, $uid); if (empty($cdata)) { return; } $public_blocked = false; if (!empty($cdata['public'])) { $public_contact = DBA::selectFirst('user-contact', ['blocked'], ['cid' => $cdata['public'], 'uid' => $uid]); if (DBA::isResult($public_contact)) { $public_blocked = $public_contact['blocked']; } } $user_blocked = $public_blocked; if (!empty($cdata['user'])) { $user_contact = DBA::selectFirst('contact', ['blocked'], ['id' => $cdata['user'], 'pending' => false]); if (DBA::isResult($user_contact)) { $user_blocked = $user_contact['blocked']; } } if ($user_blocked != $public_blocked) { DBA::update('user-contact', ['blocked' => $user_blocked], ['cid' => $cdata['public'], 'uid' => $uid], true); } return $user_blocked; } /** * @brief Ignore contact id for user id * * @param int $cid Either public contact id or user's contact id * @param int $uid User ID * @param boolean $ignored Is the contact ignored or unignored? * @throws \Exception */ public static function setIgnoredForUser($cid, $uid, $ignored) { $cdata = self::getPublicAndUserContacID($cid, $uid); if (empty($cdata)) { return; } if ($cdata['user'] != 0) { DBA::update('contact', ['readonly' => $ignored], ['id' => $cdata['user'], 'pending' => false]); } DBA::update('user-contact', ['ignored' => $ignored], ['cid' => $cdata['public'], 'uid' => $uid], true); } /** * @brief Returns "ignore" state for contact id and user id * * @param int $cid Either public contact id or user's contact id * @param int $uid User ID * * @return boolean is the contact id ignored for the given user? * @throws \Exception */ public static function isIgnoredByUser($cid, $uid) { $cdata = self::getPublicAndUserContacID($cid, $uid); if (empty($cdata)) { return; } $public_ignored = false; if (!empty($cdata['public'])) { $public_contact = DBA::selectFirst('user-contact', ['ignored'], ['cid' => $cdata['public'], 'uid' => $uid]); if (DBA::isResult($public_contact)) { $public_ignored = $public_contact['ignored']; } } $user_ignored = $public_ignored; if (!empty($cdata['user'])) { $user_contact = DBA::selectFirst('contact', ['readonly'], ['id' => $cdata['user'], 'pending' => false]); if (DBA::isResult($user_contact)) { $user_ignored = $user_contact['readonly']; } } if ($user_ignored != $public_ignored) { DBA::update('user-contact', ['ignored' => $user_ignored], ['cid' => $cdata['public'], 'uid' => $uid], true); } return $user_ignored; } /** * @brief Set "collapsed" for contact id and user id * * @param int $cid Either public contact id or user's contact id * @param int $uid User ID * @param boolean $collapsed are the contact's posts collapsed or uncollapsed? * @throws \Exception */ public static function setCollapsedForUser($cid, $uid, $collapsed) { $cdata = self::getPublicAndUserContacID($cid, $uid); if (empty($cdata)) { return; } DBA::update('user-contact', ['collapsed' => $collapsed], ['cid' => $cdata['public'], 'uid' => $uid], true); } /** * @brief Returns "collapsed" state for contact id and user id * * @param int $cid Either public contact id or user's contact id * @param int $uid User ID * * @return boolean is the contact id blocked for the given user? * @throws \Friendica\Network\HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function isCollapsedByUser($cid, $uid) { $cdata = self::getPublicAndUserContacID($cid, $uid); if (empty($cdata)) { return; } $collapsed = false; if (!empty($cdata['public'])) { $public_contact = DBA::selectFirst('user-contact', ['collapsed'], ['cid' => $cdata['public'], 'uid' => $uid]); if (DBA::isResult($public_contact)) { $collapsed = $public_contact['collapsed']; } } return $collapsed; } /** * @brief Returns a list of contacts belonging in a group * * @param int $gid * @return array * @throws \Exception */ public static function getByGroupId($gid) { $return = []; if (intval($gid)) { $stmt = DBA::p('SELECT `group_member`.`contact-id`, `contact`.* FROM `contact` INNER JOIN `group_member` ON `contact`.`id` = `group_member`.`contact-id` WHERE `gid` = ? AND `contact`.`uid` = ? AND NOT `contact`.`self` AND NOT `contact`.`deleted` AND NOT `contact`.`blocked` AND NOT `contact`.`pending` ORDER BY `contact`.`name` ASC', $gid, local_user() ); if (DBA::isResult($stmt)) { $return = DBA::toArray($stmt); } } return $return; } /** * @brief Returns the count of OStatus contacts in a group * * @param int $gid * @return int * @throws \Exception */ public static function getOStatusCountByGroupId($gid) { $return = 0; if (intval($gid)) { $contacts = DBA::fetchFirst('SELECT COUNT(*) AS `count` FROM `contact` INNER JOIN `group_member` ON `contact`.`id` = `group_member`.`contact-id` WHERE `gid` = ? AND `contact`.`uid` = ? AND `contact`.`network` = ? AND `contact`.`notify` != ""', $gid, local_user(), Protocol::OSTATUS ); $return = $contacts['count']; } return $return; } /** * Creates the self-contact for the provided user id * * @param int $uid * @return bool Operation success * @throws \Friendica\Network\HTTPException\InternalServerErrorException */ public static function createSelfFromUserId($uid) { // Only create the entry if it doesn't exist yet if (DBA::exists('contact', ['uid' => $uid, 'self' => true])) { return true; } $user = DBA::selectFirst('user', ['uid', 'username', 'nickname'], ['uid' => $uid]); if (!DBA::isResult($user)) { return false; } $return = DBA::insert('contact', [ 'uid' => $user['uid'], 'created' => DateTimeFormat::utcNow(), 'self' => 1, 'name' => $user['username'], 'nick' => $user['nickname'], 'photo' => System::baseUrl() . '/photo/profile/' . $user['uid'] . '.jpg', 'thumb' => System::baseUrl() . '/photo/avatar/' . $user['uid'] . '.jpg', 'micro' => System::baseUrl() . '/photo/micro/' . $user['uid'] . '.jpg', 'blocked' => 0, 'pending' => 0, 'url' => System::baseUrl() . '/profile/' . $user['nickname'], 'nurl' => Strings::normaliseLink(System::baseUrl() . '/profile/' . $user['nickname']), 'addr' => $user['nickname'] . '@' . substr(System::baseUrl(), strpos(System::baseUrl(), '://') + 3), 'request' => System::baseUrl() . '/dfrn_request/' . $user['nickname'], 'notify' => System::baseUrl() . '/dfrn_notify/' . $user['nickname'], 'poll' => System::baseUrl() . '/dfrn_poll/' . $user['nickname'], 'confirm' => System::baseUrl() . '/dfrn_confirm/' . $user['nickname'], 'poco' => System::baseUrl() . '/poco/' . $user['nickname'], 'name-date' => DateTimeFormat::utcNow(), 'uri-date' => DateTimeFormat::utcNow(), 'avatar-date' => DateTimeFormat::utcNow(), 'closeness' => 0 ]); return $return; } /** * Updates the self-contact for the provided user id * * @param int $uid * @param boolean $update_avatar Force the avatar update * @throws \Friendica\Network\HTTPException\InternalServerErrorException */ public static function updateSelfFromUserID($uid, $update_avatar = false) { $fields = ['id', 'name', 'nick', 'location', 'about', 'keywords', 'gender', 'avatar', 'xmpp', 'contact-type', 'forum', 'prv', 'avatar-date', 'url', 'nurl', 'photo', 'thumb', 'micro', 'addr', 'request', 'notify', 'poll', 'confirm', 'poco']; $self = DBA::selectFirst('contact', $fields, ['uid' => $uid, 'self' => true]); if (!DBA::isResult($self)) { return; } $fields = ['nickname', 'page-flags', 'account-type']; $user = DBA::selectFirst('user', $fields, ['uid' => $uid]); if (!DBA::isResult($user)) { return; } $fields = ['name', 'photo', 'thumb', 'about', 'address', 'locality', 'region', 'country-name', 'gender', 'pub_keywords', 'xmpp']; $profile = DBA::selectFirst('profile', $fields, ['uid' => $uid, 'is-default' => true]); if (!DBA::isResult($profile)) { return; } $file_suffix = 'jpg'; $fields = ['name' => $profile['name'], 'nick' => $user['nickname'], 'avatar-date' => $self['avatar-date'], 'location' => Profile::formatLocation($profile), 'about' => $profile['about'], 'keywords' => $profile['pub_keywords'], 'gender' => $profile['gender'], 'contact-type' => $user['account-type'], 'xmpp' => $profile['xmpp']]; $avatar = Photo::selectFirst(['resource-id', 'type'], ['uid' => $uid, 'profile' => true]); if (DBA::isResult($avatar)) { if ($update_avatar) { $fields['avatar-date'] = DateTimeFormat::utcNow(); } // Creating the path to the avatar, beginning with the file suffix $types = Image::supportedTypes(); if (isset($types[$avatar['type']])) { $file_suffix = $types[$avatar['type']]; } // We are adding a timestamp value so that other systems won't use cached content $timestamp = strtotime($fields['avatar-date']); $prefix = System::baseUrl() . '/photo/' .$avatar['resource-id'] . '-'; $suffix = '.' . $file_suffix . '?ts=' . $timestamp; $fields['photo'] = $prefix . '4' . $suffix; $fields['thumb'] = $prefix . '5' . $suffix; $fields['micro'] = $prefix . '6' . $suffix; } else { // We hadn't found a photo entry, so we use the default avatar $fields['photo'] = System::baseUrl() . '/images/person-300.jpg'; $fields['thumb'] = System::baseUrl() . '/images/person-80.jpg'; $fields['micro'] = System::baseUrl() . '/images/person-48.jpg'; } $fields['avatar'] = System::baseUrl() . '/photo/profile/' .$uid . '.' . $file_suffix; $fields['forum'] = $user['page-flags'] == User::PAGE_FLAGS_COMMUNITY; $fields['prv'] = $user['page-flags'] == User::PAGE_FLAGS_PRVGROUP; // it seems as if ported accounts can have wrong values, so we make sure that now everything is fine. $fields['url'] = System::baseUrl() . '/profile/' . $user['nickname']; $fields['nurl'] = Strings::normaliseLink($fields['url']); $fields['addr'] = $user['nickname'] . '@' . substr(System::baseUrl(), strpos(System::baseUrl(), '://') + 3); $fields['request'] = System::baseUrl() . '/dfrn_request/' . $user['nickname']; $fields['notify'] = System::baseUrl() . '/dfrn_notify/' . $user['nickname']; $fields['poll'] = System::baseUrl() . '/dfrn_poll/'. $user['nickname']; $fields['confirm'] = System::baseUrl() . '/dfrn_confirm/' . $user['nickname']; $fields['poco'] = System::baseUrl() . '/poco/' . $user['nickname']; $update = false; foreach ($fields as $field => $content) { if ($self[$field] != $content) { $update = true; } } if ($update) { if ($fields['name'] != $self['name']) { $fields['name-date'] = DateTimeFormat::utcNow(); } $fields['updated'] = DateTimeFormat::utcNow(); DBA::update('contact', $fields, ['id' => $self['id']]); // Update the public contact as well DBA::update('contact', $fields, ['uid' => 0, 'nurl' => $self['nurl']]); // Update the profile $fields = ['photo' => System::baseUrl() . '/photo/profile/' .$uid . '.' . $file_suffix, 'thumb' => System::baseUrl() . '/photo/avatar/' . $uid .'.' . $file_suffix]; DBA::update('profile', $fields, ['uid' => $uid, 'is-default' => true]); } } /** * @brief Marks a contact for removal * * @param int $id contact id * @return null * @throws \Friendica\Network\HTTPException\InternalServerErrorException */ public static function remove($id) { // We want just to make sure that we don't delete our "self" contact $contact = DBA::selectFirst('contact', ['uid'], ['id' => $id, 'self' => false]); if (!DBA::isResult($contact) || !intval($contact['uid'])) { return; } // Archive the contact DBA::update('contact', ['archive' => true, 'network' => Protocol::PHANTOM, 'deleted' => true], ['id' => $id]); // Delete it in the background Worker::add(PRIORITY_MEDIUM, 'RemoveContact', $id); } /** * @brief Sends an unfriend message. Does not remove the contact * * @param array $user User unfriending * @param array $contact Contact unfriended * @param boolean $dissolve Remove the contact on the remote side * @return void * @throws \Friendica\Network\HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function terminateFriendship(array $user, array $contact, $dissolve = false) { if (empty($contact['network'])) { return; } $protocol = $contact['network']; if (($protocol == Protocol::DFRN) && !self::isLegacyDFRNContact($contact)) { $protocol = Protocol::ACTIVITYPUB; } if (($protocol == Protocol::DFRN) && $dissolve) { DFRN::deliver($user, $contact, 'placeholder', true); } elseif (in_array($protocol, [Protocol::OSTATUS, Protocol::DFRN])) { // create an unfollow slap $item = []; $item['verb'] = NAMESPACE_OSTATUS . "/unfollow"; $item['follow'] = $contact["url"]; $item['body'] = ''; $item['title'] = ''; $item['guid'] = ''; $item['tag'] = ''; $item['attach'] = ''; $slap = OStatus::salmon($item, $user); if (!empty($contact['notify'])) { Salmon::slapper($user, $contact['notify'], $slap); } } elseif ($protocol == Protocol::DIASPORA) { Diaspora::sendUnshare($user, $contact); } elseif ($protocol == Protocol::ACTIVITYPUB) { ActivityPub\Transmitter::sendContactUndo($contact['url'], $contact['id'], $user['uid']); if ($dissolve) { ActivityPub\Transmitter::sendContactReject($contact['url'], $contact['hub-verify'], $user['uid']); } } } /** * @brief Marks a contact for archival after a communication issue delay * * Contact has refused to recognise us as a friend. We will start a countdown. * If they still don't recognise us in 32 days, the relationship is over, * and we won't waste any more time trying to communicate with them. * This provides for the possibility that their database is temporarily messed * up or some other transient event and that there's a possibility we could recover from it. * * @param array $contact contact to mark for archival * @return null * @throws \Friendica\Network\HTTPException\InternalServerErrorException */ public static function markForArchival(array $contact) { if (!isset($contact['url']) && !empty($contact['id'])) { $fields = ['id', 'url', 'archive', 'self', 'term-date']; $contact = DBA::selectFirst('contact', $fields, ['id' => $contact['id']]); if (!DBA::isResult($contact)) { return; } } elseif (!isset($contact['url'])) { Logger::log('Empty contact: ' . json_encode($contact) . ' - ' . System::callstack(20), Logger::DEBUG); } Logger::log('Contact '.$contact['id'].' is marked for archival', Logger::DEBUG); // Contact already archived or "self" contact? => nothing to do if ($contact['archive'] || $contact['self']) { return; } if ($contact['term-date'] <= DBA::NULL_DATETIME) { DBA::update('contact', ['term-date' => DateTimeFormat::utcNow()], ['id' => $contact['id']]); DBA::update('contact', ['term-date' => DateTimeFormat::utcNow()], ['`nurl` = ? AND `term-date` <= ? AND NOT `self`', Strings::normaliseLink($contact['url']), DBA::NULL_DATETIME]); } else { /* @todo * We really should send a notification to the owner after 2-3 weeks * so they won't be surprised when the contact vanishes and can take * remedial action if this was a serious mistake or glitch */ /// @todo Check for contact vitality via probing $archival_days = Config::get('system', 'archival_days', 32); $expiry = $contact['term-date'] . ' + ' . $archival_days . ' days '; if (DateTimeFormat::utcNow() > DateTimeFormat::utc($expiry)) { /* Relationship is really truly dead. archive them rather than * delete, though if the owner tries to unarchive them we'll start * the whole process over again. */ DBA::update('contact', ['archive' => true], ['id' => $contact['id']]); DBA::update('contact', ['archive' => true], ['nurl' => Strings::normaliseLink($contact['url']), 'self' => false]); GContact::updateFromPublicContactURL($contact['url']); } } } /** * @brief Cancels the archival countdown * * @see Contact::markForArchival() * * @param array $contact contact to be unmarked for archival * @return null * @throws \Exception */ public static function unmarkForArchival(array $contact) { $condition = ['`id` = ? AND (`term-date` > ? OR `archive`)', $contact['id'], DBA::NULL_DATETIME]; $exists = DBA::exists('contact', $condition); // We don't need to update, we never marked this contact for archival if (!$exists) { return; } Logger::log('Contact '.$contact['id'].' is marked as vital again', Logger::DEBUG); if (!isset($contact['url']) && !empty($contact['id'])) { $fields = ['id', 'url', 'batch']; $contact = DBA::selectFirst('contact', $fields, ['id' => $contact['id']]); if (!DBA::isResult($contact)) { return; } } // It's a miracle. Our dead contact has inexplicably come back to life. $fields = ['term-date' => DBA::NULL_DATETIME, 'archive' => false]; DBA::update('contact', $fields, ['id' => $contact['id']]); DBA::update('contact', $fields, ['nurl' => Strings::normaliseLink($contact['url']), 'self' => false]); GContact::updateFromPublicContactURL($contact['url']); if (!empty($contact['batch'])) { $condition = ['batch' => $contact['batch'], 'contact-type' => self::TYPE_RELAY]; DBA::update('contact', $fields, $condition); } } /** * @brief Get contact data for a given profile link * * The function looks at several places (contact table and gcontact table) for the contact * It caches its result for the same script execution to prevent duplicate calls * * @param string $url The profile link * @param int $uid User id * @param array $default If not data was found take this data as default value * * @return array Contact data * @throws \Friendica\Network\HTTPException\InternalServerErrorException */ public static function getDetailsByURL($url, $uid = -1, array $default = []) { static $cache = []; if ($url == '') { return $default; } if ($uid == -1) { $uid = local_user(); } if (isset($cache[$url][$uid])) { return $cache[$url][$uid]; } $ssl_url = str_replace('http://', 'https://', $url); // Fetch contact data from the contact table for the given user $s = DBA::p("SELECT `id`, `id` AS `cid`, 0 AS `gid`, 0 AS `zid`, `uid`, `url`, `nurl`, `alias`, `network`, `name`, `nick`, `addr`, `location`, `about`, `xmpp`, `keywords`, `gender`, `photo`, `thumb`, `micro`, `forum`, `prv`, (`forum` | `prv`) AS `community`, `contact-type`, `bd` AS `birthday`, `self` FROM `contact` WHERE `nurl` = ? AND `uid` = ?", Strings::normaliseLink($url), $uid); $r = DBA::toArray($s); // Fetch contact data from the contact table for the given user, checking with the alias if (!DBA::isResult($r)) { $s = DBA::p("SELECT `id`, `id` AS `cid`, 0 AS `gid`, 0 AS `zid`, `uid`, `url`, `nurl`, `alias`, `network`, `name`, `nick`, `addr`, `location`, `about`, `xmpp`, `keywords`, `gender`, `photo`, `thumb`, `micro`, `forum`, `prv`, (`forum` | `prv`) AS `community`, `contact-type`, `bd` AS `birthday`, `self` FROM `contact` WHERE `alias` IN (?, ?, ?) AND `uid` = ?", Strings::normaliseLink($url), $url, $ssl_url, $uid); $r = DBA::toArray($s); } // Fetch the data from the contact table with "uid=0" (which is filled automatically) if (!DBA::isResult($r)) { $s = DBA::p("SELECT `id`, 0 AS `cid`, `id` AS `zid`, 0 AS `gid`, `uid`, `url`, `nurl`, `alias`, `network`, `name`, `nick`, `addr`, `location`, `about`, `xmpp`, `keywords`, `gender`, `photo`, `thumb`, `micro`, `forum`, `prv`, (`forum` | `prv`) AS `community`, `contact-type`, `bd` AS `birthday`, 0 AS `self` FROM `contact` WHERE `nurl` = ? AND `uid` = 0", Strings::normaliseLink($url)); $r = DBA::toArray($s); } // Fetch the data from the contact table with "uid=0" (which is filled automatically) - checked with the alias if (!DBA::isResult($r)) { $s = DBA::p("SELECT `id`, 0 AS `cid`, `id` AS `zid`, 0 AS `gid`, `uid`, `url`, `nurl`, `alias`, `network`, `name`, `nick`, `addr`, `location`, `about`, `xmpp`, `keywords`, `gender`, `photo`, `thumb`, `micro`, `forum`, `prv`, (`forum` | `prv`) AS `community`, `contact-type`, `bd` AS `birthday`, 0 AS `self` FROM `contact` WHERE `alias` IN (?, ?, ?) AND `uid` = 0", Strings::normaliseLink($url), $url, $ssl_url); $r = DBA::toArray($s); } // Fetch the data from the gcontact table if (!DBA::isResult($r)) { $s = DBA::p("SELECT 0 AS `id`, 0 AS `cid`, `id` AS `gid`, 0 AS `zid`, 0 AS `uid`, `url`, `nurl`, `alias`, `network`, `name`, `nick`, `addr`, `location`, `about`, '' AS `xmpp`, `keywords`, `gender`, `photo`, `photo` AS `thumb`, `photo` AS `micro`, 0 AS `forum`, 0 AS `prv`, `community`, `contact-type`, `birthday`, 0 AS `self` FROM `gcontact` WHERE `nurl` = ?", Strings::normaliseLink($url)); $r = DBA::toArray($s); } if (DBA::isResult($r)) { // If there is more than one entry we filter out the connector networks if (count($r) > 1) { foreach ($r as $id => $result) { if (!in_array($result["network"], Protocol::NATIVE_SUPPORT)) { unset($r[$id]); } } } $profile = array_shift($r); // "bd" always contains the upcoming birthday of a contact. // "birthday" might contain the birthday including the year of birth. if ($profile["birthday"] > DBA::NULL_DATE) { $bd_timestamp = strtotime($profile["birthday"]); $month = date("m", $bd_timestamp); $day = date("d", $bd_timestamp); $current_timestamp = time(); $current_year = date("Y", $current_timestamp); $current_month = date("m", $current_timestamp); $current_day = date("d", $current_timestamp); $profile["bd"] = $current_year . "-" . $month . "-" . $day; $current = $current_year . "-" . $current_month . "-" . $current_day; if ($profile["bd"] < $current) { $profile["bd"] = ( ++$current_year) . "-" . $month . "-" . $day; } } else { $profile["bd"] = DBA::NULL_DATE; } } else { $profile = $default; } if (empty($profile["photo"]) && isset($default["photo"])) { $profile["photo"] = $default["photo"]; } if (empty($profile["name"]) && isset($default["name"])) { $profile["name"] = $default["name"]; } if (empty($profile["network"]) && isset($default["network"])) { $profile["network"] = $default["network"]; } if (empty($profile["thumb"]) && isset($profile["photo"])) { $profile["thumb"] = $profile["photo"]; } if (empty($profile["micro"]) && isset($profile["thumb"])) { $profile["micro"] = $profile["thumb"]; } if ((empty($profile["addr"]) || empty($profile["name"])) && (defaults($profile, "gid", 0) != 0) && in_array($profile["network"], Protocol::FEDERATED) ) { Worker::add(PRIORITY_LOW, "UpdateGContact", $url); } // Show contact details of Diaspora contacts only if connected if ((defaults($profile, "cid", 0) == 0) && (defaults($profile, "network", "") == Protocol::DIASPORA)) { $profile["location"] = ""; $profile["about"] = ""; $profile["gender"] = ""; $profile["birthday"] = DBA::NULL_DATE; } $cache[$url][$uid] = $profile; return $profile; } /** * @brief Get contact data for a given address * * The function looks at several places (contact table and gcontact table) for the contact * * @param string $addr The profile link * @param int $uid User id * * @return array Contact data * @throws \Friendica\Network\HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function getDetailsByAddr($addr, $uid = -1) { if ($addr == '') { return []; } if ($uid == -1) { $uid = local_user(); } // Fetch contact data from the contact table for the given user $r = q("SELECT `id`, `id` AS `cid`, 0 AS `gid`, 0 AS `zid`, `uid`, `url`, `nurl`, `alias`, `network`, `name`, `nick`, `addr`, `location`, `about`, `xmpp`, `keywords`, `gender`, `photo`, `thumb`, `micro`, `forum`, `prv`, (`forum` | `prv`) AS `community`, `contact-type`, `bd` AS `birthday`, `self` FROM `contact` WHERE `addr` = '%s' AND `uid` = %d AND NOT `deleted`", DBA::escape($addr), intval($uid) ); // Fetch the data from the contact table with "uid=0" (which is filled automatically) if (!DBA::isResult($r)) { $r = q("SELECT `id`, 0 AS `cid`, `id` AS `zid`, 0 AS `gid`, `uid`, `url`, `nurl`, `alias`, `network`, `name`, `nick`, `addr`, `location`, `about`, `xmpp`, `keywords`, `gender`, `photo`, `thumb`, `micro`, `forum`, `prv`, (`forum` | `prv`) AS `community`, `contact-type`, `bd` AS `birthday`, 0 AS `self` FROM `contact` WHERE `addr` = '%s' AND `uid` = 0 AND NOT `deleted`", DBA::escape($addr) ); } // Fetch the data from the gcontact table if (!DBA::isResult($r)) { $r = q("SELECT 0 AS `id`, 0 AS `cid`, `id` AS `gid`, 0 AS `zid`, 0 AS `uid`, `url`, `nurl`, `alias`, `network`, `name`, `nick`, `addr`, `location`, `about`, '' AS `xmpp`, `keywords`, `gender`, `photo`, `photo` AS `thumb`, `photo` AS `micro`, `community` AS `forum`, 0 AS `prv`, `community`, `contact-type`, `birthday`, 0 AS `self` FROM `gcontact` WHERE `addr` = '%s'", DBA::escape($addr) ); } if (!DBA::isResult($r)) { $data = Probe::uri($addr); $profile = self::getDetailsByURL($data['url'], $uid); } else { $profile = $r[0]; } return $profile; } /** * @brief Returns the data array for the photo menu of a given contact * * @param array $contact contact * @param int $uid optional, default 0 * @return array * @throws \Friendica\Network\HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function photoMenu(array $contact, $uid = 0) { $pm_url = ''; $status_link = ''; $photos_link = ''; $contact_drop_link = ''; $poke_link = ''; if ($uid == 0) { $uid = local_user(); } if (empty($contact['uid']) || ($contact['uid'] != $uid)) { if ($uid == 0) { $profile_link = self::magicLink($contact['url']); $menu = ['profile' => [L10n::t('View Profile'), $profile_link, true]]; return $menu; } // Look for our own contact if the uid doesn't match and isn't public $contact_own = DBA::selectFirst('contact', [], ['nurl' => $contact['nurl'], 'network' => $contact['network'], 'uid' => $uid]); if (DBA::isResult($contact_own)) { return self::photoMenu($contact_own, $uid); } } $sparkle = false; if (($contact['network'] === Protocol::DFRN) && !$contact['self']) { $sparkle = true; $profile_link = System::baseUrl() . '/redir/' . $contact['id'] . '?url=' . $contact['url']; } else { $profile_link = $contact['url']; } if ($profile_link === 'mailbox') { $profile_link = ''; } if ($sparkle) { $status_link = $profile_link . '?tab=status'; $photos_link = str_replace('/profile/', '/photos/', $profile_link); $profile_link = $profile_link . '?tab=profile'; } if (self::canReceivePrivateMessages($contact)) { $pm_url = System::baseUrl() . '/message/new/' . $contact['id']; } if (($contact['network'] == Protocol::DFRN) && !$contact['self']) { $poke_link = System::baseUrl() . '/poke/?f=&c=' . $contact['id']; } $contact_url = System::baseUrl() . '/contact/' . $contact['id']; $posts_link = System::baseUrl() . '/contact/' . $contact['id'] . '/conversations'; if (!$contact['self']) { $contact_drop_link = System::baseUrl() . '/contact/' . $contact['id'] . '/drop?confirm=1'; } /** * Menu array: * "name" => [ "Label", "link", (bool)Should the link opened in a new tab? ] */ if (empty($contact['uid'])) { $connlnk = 'follow/?url=' . $contact['url']; $menu = [ 'profile' => [L10n::t('View Profile'), $profile_link, true], 'network' => [L10n::t('Network Posts'), $posts_link, false], 'edit' => [L10n::t('View Contact'), $contact_url, false], 'follow' => [L10n::t('Connect/Follow'), $connlnk, true], ]; } else { $menu = [ 'status' => [L10n::t('View Status'), $status_link, true], 'profile' => [L10n::t('View Profile'), $profile_link, true], 'photos' => [L10n::t('View Photos'), $photos_link, true], 'network' => [L10n::t('Network Posts'), $posts_link, false], 'edit' => [L10n::t('View Contact'), $contact_url, false], 'drop' => [L10n::t('Drop Contact'), $contact_drop_link, false], 'pm' => [L10n::t('Send PM'), $pm_url, false], 'poke' => [L10n::t('Poke'), $poke_link, false], ]; } $args = ['contact' => $contact, 'menu' => &$menu]; Hook::callAll('contact_photo_menu', $args); $menucondensed = []; foreach ($menu as $menuname => $menuitem) { if ($menuitem[1] != '') { $menucondensed[$menuname] = $menuitem; } } return $menucondensed; } /** * @brief Returns ungrouped contact count or list for user * * Returns either the total number of ungrouped contacts for the given user * id or a paginated list of ungrouped contacts. * * @param int $uid uid * @return array * @throws \Exception */ public static function getUngroupedList($uid) { return q("SELECT * FROM `contact` WHERE `uid` = %d AND NOT `self` AND NOT `deleted` AND NOT `blocked` AND NOT `pending` AND `id` NOT IN ( SELECT DISTINCT(`contact-id`) FROM `group_member` INNER JOIN `group` ON `group`.`id` = `group_member`.`gid` WHERE `group`.`uid` = %d )", intval($uid), intval($uid)); } /** * Have a look at all contact tables for a given profile url. * This function works as a replacement for probing the contact. * * @param string $url Contact URL * @param integer $cid Contact ID * * @return array Contact array in the "probe" structure */ private static function getProbeDataFromDatabase($url, $cid = null) { // The link could be provided as http although we stored it as https $ssl_url = str_replace('http://', 'https://', $url); $fields = ['id', 'uid', 'url', 'addr', 'alias', 'notify', 'poll', 'name', 'nick', 'photo', 'keywords', 'location', 'about', 'network', 'priority', 'batch', 'request', 'confirm', 'poco']; if (!empty($cid)) { $data = DBA::selectFirst('contact', $fields, ['id' => $cid]); if (DBA::isResult($data)) { return $data; } } $data = DBA::selectFirst('contact', $fields, ['nurl' => Strings::normaliseLink($url)]); if (!DBA::isResult($data)) { $condition = ['alias' => [$url, Strings::normaliseLink($url), $ssl_url]]; $data = DBA::selectFirst('contact', $fields, $condition); } if (DBA::isResult($data)) { // For security reasons we don't fetch key data from our users $data["pubkey"] = ''; return $data; } $fields = ['url', 'addr', 'alias', 'notify', 'name', 'nick', 'photo', 'keywords', 'location', 'about', 'network']; $data = DBA::selectFirst('gcontact', $fields, ['nurl' => Strings::normaliseLink($url)]); if (!DBA::isResult($data)) { $condition = ['alias' => [$url, Strings::normaliseLink($url), $ssl_url]]; $data = DBA::selectFirst('contact', $fields, $condition); } if (DBA::isResult($data)) { $data["pubkey"] = ''; $data["poll"] = ''; $data["priority"] = 0; $data["batch"] = ''; $data["request"] = ''; $data["confirm"] = ''; $data["poco"] = ''; return $data; } $data = ActivityPub::probeProfile($url, false); if (!empty($data)) { return $data; } $fields = ['url', 'addr', 'alias', 'notify', 'poll', 'name', 'nick', 'photo', 'network', 'priority', 'batch', 'request', 'confirm']; $data = DBA::selectFirst('fcontact', $fields, ['url' => $url]); if (!DBA::isResult($data)) { $condition = ['alias' => [$url, Strings::normaliseLink($url), $ssl_url]]; $data = DBA::selectFirst('contact', $fields, $condition); } if (DBA::isResult($data)) { $data["pubkey"] = ''; $data["keywords"] = ''; $data["location"] = ''; $data["about"] = ''; $data["poco"] = ''; return $data; } return []; } /** * @brief Fetch the contact id for a given URL and user * * First lookup in the contact table to find a record matching either `url`, `nurl`, * `addr` or `alias`. * * If there's no record and we aren't looking for a public contact, we quit. * If there's one, we check that it isn't time to update the picture else we * directly return the found contact id. * * Second, we probe the provided $url whether it's http://server.tld/profile or * nick@server.tld. We quit if we can't get any info back. * * Third, we create the contact record if it doesn't exist * * Fourth, we update the existing record with the new data (avatar, alias, nick) * if there's any updates * * @param string $url Contact URL * @param integer $uid The user id for the contact (0 = public contact) * @param boolean $no_update Don't update the contact * @param array $default Default value for creating the contact when every else fails * @param boolean $in_loop Internally used variable to prevent an endless loop * * @return integer Contact ID * @throws \Friendica\Network\HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function getIdForURL($url, $uid = 0, $no_update = false, $default = [], $in_loop = false) { Logger::log("Get contact data for url " . $url . " and user " . $uid . " - " . System::callstack(), Logger::DEBUG); $contact_id = 0; if ($url == '') { return 0; } /// @todo Verify if we can't use Contact::getDetailsByUrl instead of the following // We first try the nurl (http://server.tld/nick), most common case $fields = ['id', 'avatar', 'updated', 'network']; $options = ['order' => ['id']]; $contact = DBA::selectFirst('contact', $fields, ['nurl' => Strings::normaliseLink($url), 'uid' => $uid, 'deleted' => false], $options); // Then the addr (nick@server.tld) if (!DBA::isResult($contact)) { $contact = DBA::selectFirst('contact', $fields, ['addr' => str_replace('acct:', '', $url), 'uid' => $uid, 'deleted' => false], $options); } // Then the alias (which could be anything) if (!DBA::isResult($contact)) { // The link could be provided as http although we stored it as https $ssl_url = str_replace('http://', 'https://', $url); $condition = ['`alias` IN (?, ?, ?) AND `uid` = ? AND NOT `deleted`', $url, Strings::normaliseLink($url), $ssl_url, $uid]; $contact = DBA::selectFirst('contact', $fields, $condition, $options); } if (DBA::isResult($contact)) { $contact_id = $contact["id"]; // Update the contact every 7 days $update_contact = ($contact['updated'] < DateTimeFormat::utc('now -7 days')); // We force the update if the avatar is empty if (empty($contact['avatar'])) { $update_contact = true; } // Update the contact in the background if needed but it is called by the frontend if ($update_contact && $no_update && in_array($contact['network'], Protocol::NATIVE_SUPPORT)) { Worker::add(PRIORITY_LOW, "UpdateContact", $contact_id, ($uid == 0 ? 'force' : '')); } if (!$update_contact || $no_update) { return $contact_id; } } elseif ($uid != 0) { // Non-existing user-specific contact, exiting return 0; } if ($no_update && empty($default)) { // When we don't want to update, we look if we know this contact in any way $data = self::getProbeDataFromDatabase($url, $contact_id); $background_update = true; } elseif ($no_update && !empty($default['network'])) { // If there are default values, take these $data = $default; $background_update = false; } else { $data = []; $background_update = false; } if (empty($data)) { $data = Probe::uri($url, "", $uid); // Ensure that there is a gserver entry if (!empty($data['baseurl']) && ($data['network'] != Protocol::PHANTOM)) { PortableContact::checkServer($data['baseurl']); } } // Take the default values when probing failed if (!empty($default) && !in_array($data["network"], array_merge(Protocol::NATIVE_SUPPORT, [Protocol::PUMPIO]))) { $data = array_merge($data, $default); } if (empty($data)) { return 0; } if (!$contact_id && !empty($data['alias']) && ($data['alias'] != $url) && !$in_loop) { $contact_id = self::getIdForURL($data["alias"], $uid, true, $default, true); } if (!$contact_id) { $fields = [ 'uid' => $uid, 'created' => DateTimeFormat::utcNow(), 'url' => $data['url'], 'nurl' => Strings::normaliseLink($data['url']), 'addr' => defaults($data, 'addr', ''), 'alias' => defaults($data, 'alias', ''), 'notify' => defaults($data, 'notify', ''), 'poll' => defaults($data, 'poll', ''), 'name' => defaults($data, 'name', ''), 'nick' => defaults($data, 'nick', ''), 'photo' => defaults($data, 'photo', ''), 'keywords' => defaults($data, 'keywords', ''), 'location' => defaults($data, 'location', ''), 'about' => defaults($data, 'about', ''), 'network' => $data['network'], 'pubkey' => defaults($data, 'pubkey', ''), 'rel' => self::SHARING, 'priority' => defaults($data, 'priority', 0), 'batch' => defaults($data, 'batch', ''), 'request' => defaults($data, 'request', ''), 'confirm' => defaults($data, 'confirm', ''), 'poco' => defaults($data, 'poco', ''), 'baseurl' => defaults($data, 'baseurl', ''), 'name-date' => DateTimeFormat::utcNow(), 'uri-date' => DateTimeFormat::utcNow(), 'avatar-date' => DateTimeFormat::utcNow(), 'writable' => 1, 'blocked' => 0, 'readonly' => 0, 'pending' => 0]; $condition = ['nurl' => Strings::normaliseLink($data["url"]), 'uid' => $uid, 'deleted' => false]; // Before inserting we do check if the entry does exist now. $contact = DBA::selectFirst('contact', ['id'], $condition, ['order' => ['id']]); if (!DBA::isResult($contact)) { Logger::info('Create new contact', $fields); DBA::insert('contact', $fields); // We intentionally aren't using lastInsertId here. There is a chance for duplicates. $contact = DBA::selectFirst('contact', ['id'], $condition, ['order' => ['id']]); if (!DBA::isResult($contact)) { Logger::info('Contact creation failed', $fields); // Shouldn't happen return 0; } } else { Logger::info('Contact had been created before', ['id' => $contact["id"], 'url' => $url, 'contact' => $fields]); } $contact_id = $contact["id"]; } if (!empty($data['photo']) && ($data['network'] != Protocol::FEED)) { self::updateAvatar($data['photo'], $uid, $contact_id); } if (in_array($data["network"], array_merge(Protocol::NATIVE_SUPPORT, [Protocol::PUMPIO]))) { if ($background_update) { // Update in the background when we fetched the data solely from the database Worker::add(PRIORITY_MEDIUM, "UpdateContact", $contact_id, ($uid == 0 ? 'force' : '')); } else { // Else do a direct update self::updateFromProbe($contact_id, '', false); // Update the gcontact entry if ($uid == 0) { GContact::updateFromPublicContactID($contact_id); } } } else { $fields = ['url', 'nurl', 'addr', 'alias', 'name', 'nick', 'keywords', 'location', 'about', 'avatar-date', 'baseurl']; $contact = DBA::selectFirst('contact', $fields, ['id' => $contact_id]); // This condition should always be true if (!DBA::isResult($contact)) { return $contact_id; } $updated = [ 'url' => $data['url'], 'nurl' => Strings::normaliseLink($data['url']), 'updated' => DateTimeFormat::utcNow() ]; $fields = ['addr', 'alias', 'name', 'nick', 'keywords', 'location', 'about', 'baseurl']; foreach ($fields as $field) { $updated[$field] = defaults($data, $field, $contact[$field]); } if (($updated['addr'] != $contact['addr']) || (!empty($data['alias']) && ($data['alias'] != $contact['alias']))) { $updated['uri-date'] = DateTimeFormat::utcNow(); } if (($data['name'] != $contact['name']) || ($data['nick'] != $contact['nick'])) { $updated['name-date'] = DateTimeFormat::utcNow(); } DBA::update('contact', $updated, ['id' => $contact_id], $contact); } return $contact_id; } /** * @brief Checks if the contact is archived * * @param int $cid contact id * * @return boolean Is the contact archived? * @throws \Friendica\Network\HTTPException\InternalServerErrorException */ public static function isArchived(int $cid) { if ($cid == 0) { return false; } $contact = DBA::selectFirst('contact', ['archive', 'url', 'batch'], ['id' => $cid]); if (!DBA::isResult($contact)) { return false; } if ($contact['archive']) { return true; } // Check status of ActivityPub endpoints $apcontact = APContact::getByURL($contact['url'], false); if (!empty($apcontact)) { if (!empty($apcontact['inbox']) && DBA::exists('inbox-status', ['archive' => true, 'url' => $apcontact['inbox']])) { return true; } if (!empty($apcontact['sharedinbox']) && DBA::exists('inbox-status', ['archive' => true, 'url' => $apcontact['sharedinbox']])) { return true; } } // Check status of Diaspora endpoints if (!empty($contact['batch'])) { return DBA::exists('contact', ['archive' => true, 'batch' => $contact['batch'], 'contact-type' => self::TYPE_RELAY]); } return false; } /** * @brief Checks if the contact is blocked * * @param int $cid contact id * * @return boolean Is the contact blocked? * @throws \Friendica\Network\HTTPException\InternalServerErrorException */ public static function isBlocked($cid) { if ($cid == 0) { return false; } $blocked = DBA::selectFirst('contact', ['blocked', 'url'], ['id' => $cid]); if (!DBA::isResult($blocked)) { return false; } if (Network::isUrlBlocked($blocked['url'])) { return true; } return (bool) $blocked['blocked']; } /** * @brief Checks if the contact is hidden * * @param int $cid contact id * * @return boolean Is the contact hidden? * @throws \Exception */ public static function isHidden($cid) { if ($cid == 0) { return false; } $hidden = DBA::selectFirst('contact', ['hidden'], ['id' => $cid]); if (!DBA::isResult($hidden)) { return false; } return (bool) $hidden['hidden']; } /** * @brief Returns posts from a given contact url * * @param string $contact_url Contact URL * * @param bool $thread_mode * @param int $update * @return string posts in HTML * @throws \Exception */ public static function getPostsFromUrl($contact_url, $thread_mode = false, $update = 0) { $a = self::getApp(); $cid = self::getIdForURL($contact_url); $contact = DBA::selectFirst('contact', ['contact-type', 'network'], ['id' => $cid]); if (!DBA::isResult($contact)) { return ''; } if (empty($contact["network"]) || in_array($contact["network"], Protocol::FEDERATED)) { $sql = "(`item`.`uid` = 0 OR (`item`.`uid` = ? AND NOT `item`.`global`))"; } else { $sql = "`item`.`uid` = ?"; } $contact_field = ($contact["contact-type"] == self::TYPE_COMMUNITY ? 'owner-id' : 'author-id'); if ($thread_mode) { $condition = ["`$contact_field` = ? AND `gravity` = ? AND " . $sql, $cid, GRAVITY_PARENT, local_user()]; } else { $condition = ["`$contact_field` = ? AND `gravity` IN (?, ?) AND " . $sql, $cid, GRAVITY_PARENT, GRAVITY_COMMENT, local_user()]; } $pager = new Pager($a->query_string); $params = ['order' => ['received' => true], 'limit' => [$pager->getStart(), $pager->getItemsPerPage()]]; if ($thread_mode) { $r = Item::selectThreadForUser(local_user(), ['uri'], $condition, $params); $items = Item::inArray($r); $o = conversation($a, $items, $pager, 'contacts', $update, false, 'commented', local_user()); } else { $r = Item::selectForUser(local_user(), [], $condition, $params); $items = Item::inArray($r); $o = conversation($a, $items, $pager, 'contact-posts', false); } if (!$update) { $o .= $pager->renderMinimal(count($items)); } return $o; } /** * @brief Returns the account type name * * The function can be called with either the user or the contact array * * @param array $contact contact or user array * @return string */ public static function getAccountType(array $contact) { // There are several fields that indicate that the contact or user is a forum // "page-flags" is a field in the user table, // "forum" and "prv" are used in the contact table. They stand for User::PAGE_FLAGS_COMMUNITY and User::PAGE_FLAGS_PRVGROUP. // "community" is used in the gcontact table and is true if the contact is User::PAGE_FLAGS_COMMUNITY or User::PAGE_FLAGS_PRVGROUP. if ((isset($contact['page-flags']) && (intval($contact['page-flags']) == User::PAGE_FLAGS_COMMUNITY)) || (isset($contact['page-flags']) && (intval($contact['page-flags']) == User::PAGE_FLAGS_PRVGROUP)) || (isset($contact['forum']) && intval($contact['forum'])) || (isset($contact['prv']) && intval($contact['prv'])) || (isset($contact['community']) && intval($contact['community'])) ) { $type = self::TYPE_COMMUNITY; } else { $type = self::TYPE_PERSON; } // The "contact-type" (contact table) and "account-type" (user table) are more general then the chaos from above. if (isset($contact["contact-type"])) { $type = $contact["contact-type"]; } if (isset($contact["account-type"])) { $type = $contact["account-type"]; } switch ($type) { case self::TYPE_ORGANISATION: $account_type = L10n::t("Organisation"); break; case self::TYPE_NEWS: $account_type = L10n::t('News'); break; case self::TYPE_COMMUNITY: $account_type = L10n::t("Forum"); break; default: $account_type = ""; break; } return $account_type; } /** * @brief Blocks a contact * * @param int $cid * @return bool * @throws \Exception */ public static function block($cid, $reason = null) { $return = DBA::update('contact', ['blocked' => true, 'block_reason' => $reason], ['id' => $cid]); return $return; } /** * @brief Unblocks a contact * * @param int $cid * @return bool * @throws \Exception */ public static function unblock($cid) { $return = DBA::update('contact', ['blocked' => false, 'block_reason' => null], ['id' => $cid]); return $return; } /** * @brief Updates the avatar links in a contact only if needed * * @param string $avatar Link to avatar picture * @param int $uid User id of contact owner * @param int $cid Contact id * @param bool $force force picture update * * @return array Returns array of the different avatar sizes * @throws \Friendica\Network\HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function updateAvatar($avatar, $uid, $cid, $force = false) { $contact = DBA::selectFirst('contact', ['avatar', 'photo', 'thumb', 'micro', 'nurl'], ['id' => $cid, 'self' => false]); if (!DBA::isResult($contact)) { return false; } else { $data = [$contact["photo"], $contact["thumb"], $contact["micro"]]; } if (($contact["avatar"] != $avatar) || $force) { $photos = Photo::importProfilePhoto($avatar, $uid, $cid, true); if ($photos) { $fields = ['avatar' => $avatar, 'photo' => $photos[0], 'thumb' => $photos[1], 'micro' => $photos[2], 'avatar-date' => DateTimeFormat::utcNow()]; DBA::update('contact', $fields, ['id' => $cid]); // Update the public contact (contact id = 0) if ($uid != 0) { $pcontact = DBA::selectFirst('contact', ['id'], ['nurl' => $contact['nurl'], 'uid' => 0]); if (DBA::isResult($pcontact)) { DBA::update('contact', $fields, ['id' => $pcontact['id']]); } } return $photos; } } return $data; } /** * @brief Helper function for "updateFromProbe". Updates personal and public contact * * @param array $contact The personal contact entry * @param array $fields The fields that are updated * @throws \Exception */ private static function updateContact($id, $uid, $url, array $fields) { DBA::update('contact', $fields, ['id' => $id]); // Search for duplicated contacts and get rid of them if (self::handleDuplicates(Strings::normaliseLink($url), $uid, $id) || ($uid != 0)) { return; } // Update the corresponding gcontact entry GContact::updateFromPublicContactID($id); // Archive or unarchive the contact. We only need to do this for the public contact. // The archive/unarchive function will update the personal contacts by themselves. $contact = DBA::selectFirst('contact', [], ['id' => $id]); if (!empty($fields['success_update'])) { self::unmarkForArchival($contact); } elseif (!empty($fields['failure_update'])) { self::markForArchival($contact); } $condition = ['self' => false, 'nurl' => Strings::normaliseLink($url), 'network' => Protocol::FEDERATED]; // These contacts are sharing with us, we don't poll them. // This means that we don't set the update fields in "OnePoll.php". $condition['rel'] = self::SHARING; DBA::update('contact', $fields, $condition); unset($fields['last-update']); unset($fields['success_update']); unset($fields['failure_update']); if (empty($fields)) { return; } // We are polling these contacts, so we mustn't set the update fields here. $condition['rel'] = [self::FOLLOWER, self::FRIEND]; DBA::update('contact', $fields, $condition); } /** * @brief Helper function for "updateFromProbe". Remove duplicated contacts * * @param string $nurl Normalised contact url * @param integer $uid User id * @param integer $id Contact id of a duplicate * @return boolean * @throws \Exception */ private static function handleDuplicates($nurl, $uid, $id) { $condition = ['nurl' => $nurl, 'uid' => $uid, 'deleted' => false, 'network' => Protocol::FEDERATED]; $count = DBA::count('contact', $condition); if ($count <= 1) { return false; } $first_contact = DBA::selectFirst('contact', ['id', 'network'], $condition, ['order' => ['id']]); if (!DBA::isResult($first_contact)) { // Shouldn't happen - so we handle it return false; } $first = $first_contact['id']; Logger::info('Found duplicates', ['count' => $count, 'id' => $id, 'first' => $first, 'uid' => $uid, 'nurl' => $nurl]); if (($uid != 0 && ($first_contact['network'] == Protocol::DFRN))) { // Don't handle non public DFRN duplicates by now (legacy DFRN is very special because of the key handling) Logger::info('Not handling non public DFRN duplicate', ['uid' => $uid, 'nurl' => $nurl]); return false; } // Find all duplicates $condition = ["`nurl` = ? AND `uid` = ? AND `id` != ? AND NOT `self` AND NOT `deleted`", $nurl, $uid, $first]; $duplicates = DBA::select('contact', ['id', 'network'], $condition); while ($duplicate = DBA::fetch($duplicates)) { if (!in_array($duplicate['network'], Protocol::FEDERATED)) { continue; } Worker::add(PRIORITY_HIGH, 'MergeContact', $first, $duplicate['id'], $uid); } Logger::info('Duplicates handled', ['uid' => $uid, 'nurl' => $nurl]); return true; } /** * @param integer $id contact id * @param string $network Optional network we are probing for * @param boolean $force Optional forcing of network probing (otherwise we use the cached data) * @return boolean * @throws \Friendica\Network\HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function updateFromProbe($id, $network = '', $force = false) { /* Warning: Never ever fetch the public key via Probe::uri and write it into the contacts. This will reliably kill your communication with old Friendica contacts. */ // These fields aren't updated by this routine: // 'xmpp', 'sensitive' $fields = ['uid', 'avatar', 'name', 'nick', 'location', 'keywords', 'about', 'gender', 'unsearchable', 'url', 'addr', 'batch', 'notify', 'poll', 'request', 'confirm', 'poco', 'network', 'alias', 'baseurl', 'forum', 'prv', 'contact-type', 'pubkey']; $contact = DBA::selectFirst('contact', $fields, ['id' => $id]); if (!DBA::isResult($contact)) { return false; } $uid = $contact['uid']; unset($contact['uid']); $pubkey = $contact['pubkey']; unset($contact['pubkey']); $contact['photo'] = $contact['avatar']; unset($contact['avatar']); $ret = Probe::uri($contact['url'], $network, $uid, !$force); $updated = DateTimeFormat::utcNow(); // We must not try to update relay contacts via probe. They are no real contacts. // We check after the probing to be able to correct falsely detected contact types. if (($contact['contact-type'] == self::TYPE_RELAY) && (!Strings::compareLink($ret['url'], $contact['url']) || in_array($ret['network'], [Protocol::FEED, Protocol::PHANTOM]))) { self::updateContact($id, $uid, $contact['url'], ['last-update' => $updated, 'success_update' => $updated]); Logger::info('Not updating relais', ['id' => $id, 'url' => $contact['url']]); return true; } // If Probe::uri fails the network code will be different (mostly "feed" or "unkn") if (!in_array($ret['network'], Protocol::NATIVE_SUPPORT) || (in_array($ret['network'], [Protocol::FEED, Protocol::PHANTOM]) && ($ret['network'] != $contact['network']))) { if ($force && ($uid == 0)) { self::updateContact($id, $uid, $ret['url'], ['last-update' => $updated, 'failure_update' => $updated]); } return false; } if (isset($ret['hide']) && is_bool($ret['hide'])) { $ret['unsearchable'] = $ret['hide']; } if (isset($ret['account-type']) && is_int($ret['account-type'])) { $ret['forum'] = false; $ret['prv'] = false; $ret['contact-type'] = $ret['account-type']; if ($ret['contact-type'] == User::ACCOUNT_TYPE_COMMUNITY) { $apcontact = APContact::getByURL($ret['url'], false); if (isset($apcontact['manually-approve'])) { $ret['forum'] = (bool)!$apcontact['manually-approve']; $ret['prv'] = (bool)!$ret['forum']; } } } $new_pubkey = $ret['pubkey']; $update = false; // make sure to not overwrite existing values with blank entries except some technical fields $keep = ['batch', 'notify', 'poll', 'request', 'confirm', 'poco', 'baseurl']; foreach ($ret as $key => $val) { if (!array_key_exists($key, $contact)) { unset($ret[$key]); } elseif (($contact[$key] != '') && ($val === '') && !is_bool($ret[$key]) && !in_array($key, $keep)) { $ret[$key] = $contact[$key]; } elseif ($ret[$key] != $contact[$key]) { $update = true; } } if ($ret['network'] != Protocol::FEED) { self::updateAvatar($ret['photo'], $uid, $id, $update || $force); } if (!$update) { if ($force) { self::updateContact($id, $uid, $ret['url'], ['last-update' => $updated, 'success_update' => $updated]); } return true; } $ret['nurl'] = Strings::normaliseLink($ret['url']); $ret['updated'] = $updated; // Only fill the pubkey if it had been empty before. We have to prevent identity theft. if (empty($pubkey) && !empty($new_pubkey)) { $ret['pubkey'] = $new_pubkey; } if (($ret['addr'] != $contact['addr']) || (!empty($ret['alias']) && ($ret['alias'] != $contact['alias']))) { $ret['uri-date'] = DateTimeFormat::utcNow(); } if (($ret['name'] != $contact['name']) || ($ret['nick'] != $contact['nick'])) { $ret['name-date'] = $updated; } if ($force && ($uid == 0)) { $ret['last-update'] = $updated; $ret['success_update'] = $updated; } unset($ret['photo']); self::updateContact($id, $uid, $ret['url'], $ret); return true; } public static function updateFromProbeByURL($url, $force = false) { $id = self::getIdForURL($url); if (empty($id)) { return $id; } self::updateFromProbe($id, '', $force); return $id; } /** * Detects if a given contact array belongs to a legacy DFRN connection * * @param array $contact * @return boolean */ public static function isLegacyDFRNContact($contact) { // Newer Friendica contacts are connected via AP, then these fields aren't set return !empty($contact['dfrn-id']) || !empty($contact['issued-id']); } /** * Detects the communication protocol for a given contact url. * This is used to detect Friendica contacts that we can communicate via AP. * * @param string $url contact url * @param string $network Network of that contact * @return string with protocol */ public static function getProtocol($url, $network) { if ($network != Protocol::DFRN) { return $network; } $apcontact = APContact::getByURL($url); if (!empty($apcontact) && !empty($apcontact['generator'])) { return Protocol::ACTIVITYPUB; } else { return $network; } } /** * 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 $network * @return array * @throws \Friendica\Network\HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function createFromProbe($uid, $url, $interactive = false, $network = '') { $result = ['cid' => -1, 'success' => false, 'message' => '']; $a = \get_app(); // remove ajax junk, e.g. Twitter $url = str_replace('/#!/', '/', $url); if (!Network::isUrlAllowed($url)) { $result['message'] = L10n::t('Disallowed profile URL.'); return $result; } if (Network::isUrlBlocked($url)) { $result['message'] = L10n::t('Blocked domain'); return $result; } if (!$url) { $result['message'] = L10n::t('Connect URL missing.'); return $result; } $arr = ['url' => $url, 'contact' => []]; Hook::callAll('follow', $arr); if (empty($arr)) { $result['message'] = L10n::t('The contact could not be added. Please check the relevant network credentials in your Settings -> Social Networks page.'); return $result; } if (!empty($arr['contact']['name'])) { $ret = $arr['contact']; } else { $ret = Probe::uri($url, $network, $uid, false); } if (($network != '') && ($ret['network'] != $network)) { Logger::log('Expected network ' . $network . ' does not match actual network ' . $ret['network']); return $result; } // 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 $condition = ['uid' => $uid, 'poll' => [$ret['poll'], Strings::normaliseLink($ret['poll'])], 'network' => $ret['network'], 'pending' => false]; $contact = DBA::selectFirst('contact', ['id', 'rel'], $condition); if (!DBA::isResult($contact)) { $condition = ['uid' => $uid, 'nurl' => Strings::normaliseLink($url), 'network' => $ret['network'], 'pending' => false]; $contact = DBA::selectFirst('contact', ['id', 'rel'], $condition); } $protocol = self::getProtocol($url, $ret['network']); if (($protocol === Protocol::DFRN) && !DBA::isResult($contact)) { if ($interactive) { if (strlen($a->getURLPath())) { $myaddr = bin2hex(System::baseUrl() . '/profile/' . $a->user['nickname']); } else { $myaddr = bin2hex($a->user['nickname'] . '@' . $a->getHostName()); } $a->internalRedirect($ret['request'] . "&addr=$myaddr"); // NOTREACHED } } elseif (Config::get('system', 'dfrn_only') && ($ret['network'] != Protocol::DFRN)) { $result['message'] = L10n::t('This site is not configured to allow communications with other networks.') . EOL; $result['message'] .= L10n::t('No compatible communication protocols or feeds were discovered.') . EOL; return $result; } // This extra param just confuses things, remove it if ($protocol === Protocol::DIASPORA) { $ret['url'] = str_replace('?absolute=true', '', $ret['url']); } // do we have enough information? if (empty($ret['name']) || empty($ret['poll']) || (empty($ret['url']) && empty($ret['addr']))) { $result['message'] .= L10n::t('The profile address specified does not provide adequate information.') . EOL; if (empty($ret['poll'])) { $result['message'] .= L10n::t('No compatible communication protocols or feeds were discovered.') . EOL; } if (empty($ret['name'])) { $result['message'] .= L10n::t('An author or name was not found.') . EOL; } if (empty($ret['url'])) { $result['message'] .= L10n::t('No browser URL could be matched to this address.') . EOL; } if (strpos($url, '@') !== false) { $result['message'] .= L10n::t('Unable to match @-style Identity Address with a known protocol or email contact.') . EOL; $result['message'] .= L10n::t('Use mailto: in front of address to force email check.') . EOL; } return $result; } if ($protocol === Protocol::OSTATUS && Config::get('system', 'ostatus_disabled')) { $result['message'] .= L10n::t('The profile address specified belongs to a network which has been disabled on this site.') . EOL; $ret['notify'] = ''; } if (!$ret['notify']) { $result['message'] .= L10n::t('Limited profile. This person will be unable to receive direct/personal notifications from you.') . EOL; } $writeable = ((($protocol === Protocol::OSTATUS) && ($ret['notify'])) ? 1 : 0); $subhub = (($protocol === Protocol::OSTATUS) ? true : false); $hidden = (($protocol === Protocol::MAIL) ? 1 : 0); $pending = in_array($protocol, [Protocol::ACTIVITYPUB]); if (in_array($protocol, [Protocol::MAIL, Protocol::DIASPORA, Protocol::ACTIVITYPUB])) { $writeable = 1; } if (DBA::isResult($contact)) { // update contact $new_relation = (($contact['rel'] == self::FOLLOWER) ? self::FRIEND : self::SHARING); $fields = ['rel' => $new_relation, 'subhub' => $subhub, 'readonly' => false]; DBA::update('contact', $fields, ['id' => $contact['id']]); } else { $new_relation = (in_array($protocol, [Protocol::MAIL]) ? self::FRIEND : self::SHARING); // create contact record DBA::insert('contact', [ 'uid' => $uid, 'created' => DateTimeFormat::utcNow(), 'url' => $ret['url'], 'nurl' => Strings::normaliseLink($ret['url']), 'addr' => $ret['addr'], 'alias' => $ret['alias'], 'batch' => $ret['batch'], 'notify' => $ret['notify'], 'poll' => $ret['poll'], 'poco' => $ret['poco'], 'name' => $ret['name'], 'nick' => $ret['nick'], 'network' => $ret['network'], 'baseurl' => $ret['baseurl'], 'protocol' => $protocol, 'pubkey' => $ret['pubkey'], 'rel' => $new_relation, 'priority'=> $ret['priority'], 'writable'=> $writeable, 'hidden' => $hidden, 'blocked' => 0, 'readonly'=> 0, 'pending' => $pending, 'subhub' => $subhub ]); } $contact = DBA::selectFirst('contact', [], ['url' => $ret['url'], 'network' => $ret['network'], 'uid' => $uid]); if (!DBA::isResult($contact)) { $result['message'] .= L10n::t('Unable to retrieve contact information.') . EOL; return $result; } $contact_id = $contact['id']; $result['cid'] = $contact_id; Group::addMember(User::getDefaultGroup($uid, $contact["network"]), $contact_id); // Update the avatar self::updateAvatar($ret['photo'], $uid, $contact_id); // pull feed and consume it, which should subscribe to the hub. Worker::add(PRIORITY_HIGH, "OnePoll", $contact_id, "force"); $owner = User::getOwnerDataById($uid); if (DBA::isResult($owner)) { if (in_array($protocol, [Protocol::OSTATUS, Protocol::DFRN])) { // create a follow slap $item = []; $item['verb'] = ACTIVITY_FOLLOW; $item['follow'] = $contact["url"]; $item['body'] = ''; $item['title'] = ''; $item['guid'] = ''; $item['tag'] = ''; $item['attach'] = ''; $slap = OStatus::salmon($item, $owner); if (!empty($contact['notify'])) { Salmon::slapper($owner, $contact['notify'], $slap); } } elseif ($protocol == Protocol::DIASPORA) { $ret = Diaspora::sendShare($a->user, $contact); Logger::log('share returns: ' . $ret); } elseif ($protocol == Protocol::ACTIVITYPUB) { $activity_id = ActivityPub\Transmitter::activityIDFromContact($contact_id); if (empty($activity_id)) { // This really should never happen return false; } $ret = ActivityPub\Transmitter::sendActivity('Follow', $contact['url'], $uid, $activity_id); Logger::log('Follow returns: ' . $ret); } } $result['success'] = true; return $result; } /** * @brief Updated contact's SSL policy * * @param array $contact Contact array * @param string $new_policy New policy, valid: self,full * * @return array Contact array with updated values * @throws \Exception */ public static function updateSslPolicy(array $contact, $new_policy) { $ssl_changed = false; if ((intval($new_policy) == BaseURL::SSL_POLICY_SELFSIGN || $new_policy === 'self') && strstr($contact['url'], 'https:')) { $ssl_changed = true; $contact['url'] = str_replace('https:', 'http:', $contact['url']); $contact['request'] = str_replace('https:', 'http:', $contact['request']); $contact['notify'] = str_replace('https:', 'http:', $contact['notify']); $contact['poll'] = str_replace('https:', 'http:', $contact['poll']); $contact['confirm'] = str_replace('https:', 'http:', $contact['confirm']); $contact['poco'] = str_replace('https:', 'http:', $contact['poco']); } if ((intval($new_policy) == BaseURL::SSL_POLICY_FULL || $new_policy === 'full') && strstr($contact['url'], 'http:')) { $ssl_changed = true; $contact['url'] = str_replace('http:', 'https:', $contact['url']); $contact['request'] = str_replace('http:', 'https:', $contact['request']); $contact['notify'] = str_replace('http:', 'https:', $contact['notify']); $contact['poll'] = str_replace('http:', 'https:', $contact['poll']); $contact['confirm'] = str_replace('http:', 'https:', $contact['confirm']); $contact['poco'] = str_replace('http:', 'https:', $contact['poco']); } if ($ssl_changed) { $fields = ['url' => $contact['url'], 'request' => $contact['request'], 'notify' => $contact['notify'], 'poll' => $contact['poll'], 'confirm' => $contact['confirm'], 'poco' => $contact['poco']]; DBA::update('contact', $fields, ['id' => $contact['id']]); } return $contact; } /** * @param array $importer Owner (local user) data * @param array $contact Existing owner-specific contact data we want to expand the relationship with. Optional. * @param array $datarray An item-like array with at least the 'author-id' and 'author-url' keys for the contact. Mandatory. * @param bool $sharing True: Contact is now sharing with Owner; False: Contact is now following Owner (default) * @param string $note Introduction additional message * @return bool|null True: follow request is accepted; False: relationship is rejected; Null: relationship is pending * @throws \Friendica\Network\HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function addRelationship(array $importer, array $contact, array $datarray, $sharing = false, $note = '') { // Should always be set if (empty($datarray['author-id'])) { return false; } $fields = ['url', 'name', 'nick', 'avatar', 'photo', 'network', 'blocked']; $pub_contact = DBA::selectFirst('contact', $fields, ['id' => $datarray['author-id']]); if (!DBA::isResult($pub_contact)) { // Should never happen return false; } // Contact is blocked at node-level if (self::isBlocked($datarray['author-id'])) { return false; } $url = defaults($datarray, 'author-link', $pub_contact['url']); $name = $pub_contact['name']; $photo = defaults($pub_contact, 'avatar', $pub_contact["photo"]); $nick = $pub_contact['nick']; $network = $pub_contact['network']; // Ensure that we don't create a new contact when there already is one $cid = self::getIdForURL($url, $importer['uid']); if (!empty($cid)) { $contact = DBA::selectFirst('contact', [], ['id' => $cid]); } if (!empty($contact)) { if (!empty($contact['pending'])) { Logger::info('Pending contact request already exists.', ['url' => $url, 'uid' => $importer['uid']]); return null; } // Contact is blocked at user-level if (!empty($contact['id']) && !empty($importer['id']) && self::isBlockedByUser($contact['id'], $importer['id'])) { return false; } // Make sure that the existing contact isn't archived self::unmarkForArchival($contact); if (($contact['rel'] == self::SHARING) || ($sharing && $contact['rel'] == self::FOLLOWER)) { DBA::update('contact', ['rel' => self::FRIEND, 'writable' => true, 'pending' => false], ['id' => $contact['id'], 'uid' => $importer['uid']]); } return true; } else { // send email notification to owner? if (DBA::exists('contact', ['nurl' => Strings::normaliseLink($url), 'uid' => $importer['uid'], 'pending' => true])) { Logger::log('ignoring duplicated connection request from pending contact ' . $url); return null; } // create contact record DBA::insert('contact', [ 'uid' => $importer['uid'], 'created' => DateTimeFormat::utcNow(), 'url' => $url, 'nurl' => Strings::normaliseLink($url), 'name' => $name, 'nick' => $nick, 'photo' => $photo, 'network' => $network, 'rel' => self::FOLLOWER, 'blocked' => 0, 'readonly' => 0, 'pending' => 1, 'writable' => 1, ]); $contact_record = [ 'id' => DBA::lastInsertId(), 'network' => $network, 'name' => $name, 'url' => $url, 'photo' => $photo ]; Contact::updateAvatar($photo, $importer["uid"], $contact_record["id"], true); /// @TODO Encapsulate this into a function/method $fields = ['uid', 'username', 'email', 'page-flags', 'notify-flags', 'language']; $user = DBA::selectFirst('user', $fields, ['uid' => $importer['uid']]); if (DBA::isResult($user) && !in_array($user['page-flags'], [User::PAGE_FLAGS_SOAPBOX, User::PAGE_FLAGS_FREELOVE, User::PAGE_FLAGS_COMMUNITY])) { // create notification $hash = Strings::getRandomHex(); if (is_array($contact_record)) { DBA::insert('intro', ['uid' => $importer['uid'], 'contact-id' => $contact_record['id'], 'blocked' => false, 'knowyou' => false, 'note' => $note, 'hash' => $hash, 'datetime' => DateTimeFormat::utcNow()]); } Group::addMember(User::getDefaultGroup($importer['uid'], $contact_record["network"]), $contact_record['id']); if (($user['notify-flags'] & NOTIFY_INTRO) && in_array($user['page-flags'], [User::PAGE_FLAGS_NORMAL])) { notification([ 'type' => NOTIFY_INTRO, 'notify_flags' => $user['notify-flags'], 'language' => $user['language'], 'to_name' => $user['username'], 'to_email' => $user['email'], 'uid' => $user['uid'], 'link' => System::baseUrl() . '/notifications/intro', 'source_name' => ((strlen(stripslashes($contact_record['name']))) ? stripslashes($contact_record['name']) : L10n::t('[Name Withheld]')), 'source_link' => $contact_record['url'], 'source_photo' => $contact_record['photo'], 'verb' => ($sharing ? ACTIVITY_FRIEND : ACTIVITY_FOLLOW), 'otype' => 'intro' ]); } } elseif (DBA::isResult($user) && in_array($user['page-flags'], [User::PAGE_FLAGS_SOAPBOX, User::PAGE_FLAGS_FREELOVE, User::PAGE_FLAGS_COMMUNITY])) { $condition = ['uid' => $importer['uid'], 'url' => $url, 'pending' => true]; DBA::update('contact', ['pending' => false], $condition); return true; } } return null; } public static function removeFollower($importer, $contact, array $datarray = [], $item = "") { if (($contact['rel'] == self::FRIEND) || ($contact['rel'] == self::SHARING)) { DBA::update('contact', ['rel' => self::SHARING], ['id' => $contact['id']]); } else { Contact::remove($contact['id']); } } public static function removeSharer($importer, $contact, array $datarray = [], $item = "") { if (($contact['rel'] == self::FRIEND) || ($contact['rel'] == self::FOLLOWER)) { DBA::update('contact', ['rel' => self::FOLLOWER], ['id' => $contact['id']]); } else { Contact::remove($contact['id']); } } /** * @brief Create a birthday event. * * Update the year and the birthday. */ public static function updateBirthdays() { $condition = [ '`bd` != "" AND `bd` > "0001-01-01" AND SUBSTRING(`bd`, 1, 4) != `bdyear` AND (`contact`.`rel` = ? OR `contact`.`rel` = ?) AND NOT `contact`.`pending` AND NOT `contact`.`hidden` AND NOT `contact`.`blocked` AND NOT `contact`.`archive` AND NOT `contact`.`deleted`', Contact::SHARING, Contact::FRIEND ]; $contacts = DBA::select('contact', ['id', 'uid', 'name', 'url', 'bd'], $condition); while ($contact = DBA::fetch($contacts)) { Logger::log('update_contact_birthday: ' . $contact['bd']); $nextbd = DateTimeFormat::utcNow('Y') . substr($contact['bd'], 4); if (Event::createBirthday($contact, $nextbd)) { // update bdyear DBA::update( 'contact', ['bdyear' => substr($nextbd, 0, 4), 'bd' => $nextbd], ['id' => $contact['id']] ); } } } /** * Remove the unavailable contact ids from the provided list * * @param array $contact_ids Contact id list * @throws \Exception */ public static function pruneUnavailable(array &$contact_ids) { if (empty($contact_ids)) { return; } $str = DBA::escape(implode(',', $contact_ids)); $stmt = DBA::p("SELECT `id` FROM `contact` WHERE `id` IN ( " . $str . ") AND `blocked` = 0 AND `pending` = 0 AND `archive` = 0"); $return = []; while($contact = DBA::fetch($stmt)) { $return[] = $contact['id']; } DBA::close($stmt); $contact_ids = $return; } /** * @brief Returns a magic link to authenticate remote visitors * * @todo check if the return is either a fully qualified URL or a relative path to Friendica basedir * * @param string $contact_url The address of the target contact profile * @param string $url An url that we will be redirected to after the authentication * * @return string with "redir" link * @throws \Friendica\Network\HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function magicLink($contact_url, $url = '') { if (!local_user() && !remote_user()) { return $url ?: $contact_url; // Equivalent to: ($url != '') ? $url : $contact_url; } $data = self::getProbeDataFromDatabase($contact_url); if (empty($data)) { return $url ?: $contact_url; // Equivalent to: ($url != '') ? $url : $contact_url; } // Prevents endless loop in case only a non-public contact exists for the contact URL unset($data['uid']); return self::magicLinkByContact($data, $contact_url); } /** * @brief Returns a magic link to authenticate remote visitors * * @param integer $cid The contact id of the target contact profile * @param string $url An url that we will be redirected to after the authentication * * @return string with "redir" link * @throws \Friendica\Network\HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function magicLinkbyId($cid, $url = '') { $contact = DBA::selectFirst('contact', ['id', 'network', 'url', 'uid'], ['id' => $cid]); return self::magicLinkByContact($contact, $url); } /** * @brief Returns a magic link to authenticate remote visitors * * @param array $contact The contact array with "uid", "network" and "url" * @param string $url An url that we will be redirected to after the authentication * * @return string with "redir" link * @throws \Friendica\Network\HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function magicLinkByContact($contact, $url = '') { if ((!local_user() && !remote_user()) || ($contact['network'] != Protocol::DFRN)) { return $url ?: $contact['url']; // Equivalent to ($url != '') ? $url : $contact['url']; } // Only redirections to the same host do make sense if (($url != '') && (parse_url($url, PHP_URL_HOST) != parse_url($contact['url'], PHP_URL_HOST))) { return $url; } if (!empty($contact['uid'])) { return self::magicLink($contact['url'], $url); } if (empty($contact['id'])) { return $url ?: $contact['url']; } $redirect = 'redir/' . $contact['id']; if ($url != '') { $redirect .= '?url=' . $url; } return $redirect; } /** * Remove a contact from all groups * * @param integer $contact_id * * @return boolean Success */ public static function removeFromGroups($contact_id) { return DBA::delete('group_member', ['contact-id' => $contact_id]); } /** * Is the contact a forum? * * @param integer $contactid ID of the contact * * @return boolean "true" if it is a forum */ public static function isForum($contactid) { $fields = ['forum', 'prv']; $condition = ['id' => $contactid]; $contact = DBA::selectFirst('contact', $fields, $condition); if (!DBA::isResult($contact)) { return false; } // Is it a forum? return ($contact['forum'] || $contact['prv']); } /** * Can the remote contact receive private messages? * * @param array $contact * @return bool */ public static function canReceivePrivateMessages(array $contact) { $protocol = $contact['network'] ?? $contact['protocol'] ?? Protocol::PHANTOM; $self = $contact['self'] ?? false; return in_array($protocol, [Protocol::DFRN, Protocol::DIASPORA, Protocol::ACTIVITYPUB]) && !$self; } }