. * */ namespace Friendica\Model; use Friendica\App\BaseURL; use Friendica\Contact\Introduction\Exception\IntroductionNotFoundException; use Friendica\Content\Pager; use Friendica\Content\Text\HTML; use Friendica\Core\Hook; use Friendica\Core\Logger; use Friendica\Core\Protocol; use Friendica\Core\Renderer; use Friendica\Core\Session; use Friendica\Core\System; use Friendica\Core\Worker; use Friendica\Database\Database; use Friendica\Database\DBA; use Friendica\DI; use Friendica\Network\HTTPException; use Friendica\Network\Probe; use Friendica\Protocol\Activity; use Friendica\Protocol\ActivityPub; use Friendica\Protocol\Diaspora; use Friendica\Protocol\OStatus; use Friendica\Protocol\Salmon; use Friendica\Util\DateTimeFormat; use Friendica\Util\Images; use Friendica\Util\Network; use Friendica\Util\Proxy; use Friendica\Util\Strings; /** * functions for interacting with a contact */ class Contact { const DEFAULT_AVATAR_PHOTO = '/images/person-300.jpg'; const DEFAULT_AVATAR_THUMB = '/images/person-80.jpg'; const DEFAULT_AVATAR_MICRO = '/images/person-48.jpg'; /** * @} */ const LOCK_INSERT = 'contact-insert'; /** * Account types * * TYPE_UNKNOWN - unknown type * * 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 NOTHING = 0; const FOLLOWER = 1; const SHARING = 2; const FRIEND = 3; const SELF = 4; /** * @} */ const MIRROR_DEACTIVATED = 0; const MIRROR_FORWARDED = 1; const MIRROR_OWN_POST = 2; const MIRROR_NATIVE_RESHARE = 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; } /** * Insert a row into the contact table * Important: You can't use DBA::lastInsertId() after this call since it will be set to 0. * * @param array $fields field array * @param int $duplicate_mode Do an update on a duplicate entry * * @return int id of the created contact * @throws \Exception */ public static function insert(array $fields, int $duplicate_mode = Database::INSERT_DEFAULT) { if (!empty($fields['baseurl']) && empty($fields['gsid'])) { $fields['gsid'] = GServer::getID($fields['baseurl'], true); } $fields['uri-id'] = ItemURI::getIdByURI($fields['url']); if (empty($fields['created'])) { $fields['created'] = DateTimeFormat::utcNow(); } DBA::insert('contact', $fields, $duplicate_mode); $contact = DBA::selectFirst('contact', [], ['id' => DBA::lastInsertId()]); if (!DBA::isResult($contact)) { // Shouldn't happen Logger::warning('Created contact could not be found', ['fields' => $fields]); return 0; } Contact\User::insertForContactArray($contact); // Search for duplicated contacts and get rid of them if (!$contact['self']) { self::removeDuplicates($contact['nurl'], $contact['uid']); } return $contact['id']; } /** * Updates rows in the contact table * * @param array $fields contains the fields that are updated * @param array $condition condition array with the key values * @param array|boolean $old_fields array with the old field values that are about to be replaced (true = update on duplicate, false = don't update identical fields) * * @return boolean was the update successfull? * @throws \Exception */ public static function update(array $fields, array $condition, $old_fields = []) { $ret = DBA::update('contact', $fields, $condition, $old_fields); // Apply changes to the "user-contact" table on dedicated fields Contact\User::updateByContactUpdate($fields, $condition); return $ret; } /** * @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]); } /** * Fetch the first contact with the provided uri-id. * * @param integer $uri_id uri-id of the contact * @param array $fields Array of selected fields, empty for all * @return array|boolean Contact record if it exists, false otherwise * @throws \Exception */ public static function getByUriId($uri_id, $fields = []) { return DBA::selectFirst('contact', $fields, ['uri-id' => $uri_id], ['order' => ['uid']]); } /** * Fetches a contact by a given url * * @param string $url profile url * @param boolean $update true = always update, false = never update, null = update when not found or outdated * @param array $fields Field list * @param integer $uid User ID of the contact * @return array contact array */ public static function getByURL(string $url, $update = null, array $fields = [], int $uid = 0) { if ($update || is_null($update)) { $cid = self::getIdForURL($url, $uid, $update); if (empty($cid)) { return []; } $contact = self::getById($cid, $fields); if (empty($contact)) { return []; } return $contact; } // Add internal fields $removal = []; if (!empty($fields)) { foreach (['id', 'avatar', 'created', 'updated', 'last-update', 'success_update', 'failure_update', 'network'] as $internal) { if (!in_array($internal, $fields)) { $fields[] = $internal; $removal[] = $internal; } } } // We first try the nurl (http://server.tld/nick), most common case $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)) { return []; } // Update the contact in the background if needed $updated = max($contact['success_update'], $contact['created'], $contact['updated'], $contact['last-update'], $contact['failure_update']); if (($updated < DateTimeFormat::utc('now -7 days')) && in_array($contact['network'], Protocol::FEDERATED) && !self::isLocalById($contact['id'])) { Worker::add(PRIORITY_LOW, "UpdateContact", $contact['id']); } // Remove the internal fields foreach ($removal as $internal) { unset($contact[$internal]); } return $contact; } /** * Fetches a contact for a given user by a given url. * In difference to "getByURL" the function will fetch a public contact when no user contact had been found. * * @param string $url profile url * @param integer $uid User ID of the contact * @param boolean $update true = always update, false = never update, null = update when not found or outdated * @param array $fields Field list * @return array contact array */ public static function getByURLForUser(string $url, int $uid = 0, $update = false, array $fields = []) { if ($uid != 0) { $contact = self::getByURL($url, $update, $fields, $uid); if (!empty($contact)) { if (!empty($contact['id'])) { $contact['cid'] = $contact['id']; $contact['zid'] = 0; } return $contact; } } $contact = self::getByURL($url, $update, $fields); if (!empty($contact['id'])) { $contact['cid'] = 0; $contact['zid'] = $contact['id']; } return $contact; } /** * Tests if the given contact is a follower * * @param int $cid Either public contact id or user's contact id * @param int $uid User ID * * @return boolean is the contact id a follower? * @throws HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function isFollower($cid, $uid) { if (Contact\User::isBlocked($cid, $uid)) { return false; } $cdata = self::getPublicAndUserContactID($cid, $uid); if (empty($cdata['user'])) { return false; } $condition = ['id' => $cdata['user'], 'rel' => [self::FOLLOWER, self::FRIEND]]; return DBA::exists('contact', $condition); } /** * Tests if the given contact url is a follower * * @param string $url Contact URL * @param int $uid User ID * * @return boolean is the contact id a follower? * @throws HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function isFollowerByURL($url, $uid) { $cid = self::getIdForURL($url, $uid); if (empty($cid)) { return false; } return self::isFollower($cid, $uid); } /** * Tests if the given user follow the given contact * * @param int $cid Either public contact id or user's contact id * @param int $uid User ID * * @return boolean is the contact url being followed? * @throws HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function isSharing($cid, $uid) { if (Contact\User::isBlocked($cid, $uid)) { return false; } $cdata = self::getPublicAndUserContactID($cid, $uid); if (empty($cdata['user'])) { return false; } $condition = ['id' => $cdata['user'], 'rel' => [self::SHARING, self::FRIEND]]; return DBA::exists('contact', $condition); } /** * Tests if the given user follow the given contact url * * @param string $url Contact URL * @param int $uid User ID * * @return boolean is the contact url being followed? * @throws HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function isSharingByURL($url, $uid) { $cid = self::getIdForURL($url, $uid); if (empty($cid)) { return false; } return self::isSharing($cid, $uid); } /** * Get the basepath for a given contact link * * @param string $url The contact link * @param boolean $dont_update Don't update the contact * * @return string basepath * @throws HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function getBasepath($url, $dont_update = false) { $contact = DBA::selectFirst('contact', ['id', 'baseurl'], ['uid' => 0, 'nurl' => Strings::normaliseLink($url)]); if (!DBA::isResult($contact)) { return ''; } if (!empty($contact['baseurl'])) { return $contact['baseurl']; } elseif ($dont_update) { return ''; } // Update the existing contact self::updateFromProbe($contact['id']); // And fetch the result $contact = DBA::selectFirst('contact', ['baseurl'], ['id' => $contact['id']]); if (empty($contact['baseurl'])) { Logger::info('No baseurl for contact', ['url' => $url]); return ''; } Logger::info('Found baseurl for contact', ['url' => $url, 'baseurl' => $contact['baseurl']]); return $contact['baseurl']; } /** * Check if the given contact url is on the same server * * @param string $url The contact link * * @return boolean Is it the same server? */ public static function isLocal($url) { if (!parse_url($url, PHP_URL_SCHEME)) { $addr_parts = explode('@', $url); return (count($addr_parts) == 2) && ($addr_parts[1] == DI::baseUrl()->getHostname()); } return Strings::compareLink(self::getBasepath($url, true), DI::baseUrl()); } /** * Check if the given contact ID is on the same server * * @param string $url The contact link * * @return boolean Is it the same server? */ public static function isLocalById(int $cid) { $contact = DBA::selectFirst('contact', ['url', 'baseurl'], ['id' => $cid]); if (!DBA::isResult($contact)) { return false; } if (empty($contact['baseurl'])) { $baseurl = self::getBasepath($contact['url'], true); } else { $baseurl = $contact['baseurl']; } return Strings::compareLink($baseurl, DI::baseUrl()); } /** * 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']); } /** * 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 $uid User ID * * @return array with public and user's contact id * @throws HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function getPublicAndUserContactID($cid, $uid) { // We have to use the legacy function as long as the post update hasn't finished if (DI::config()->get('system', 'post_update_version') < 1427) { return self::legacyGetPublicAndUserContactID($cid, $uid); } if (empty($uid) || empty($cid)) { return []; } $contact = DBA::selectFirst('account-user-view', ['id', 'uid', 'pid'], ['id' => $cid]); if (!DBA::isResult($contact) || !in_array($contact['uid'], [0, $uid])) { return []; } $pcid = $contact['pid']; if ($contact['uid'] == $uid) { $ucid = $contact['id']; } else { $contact = DBA::selectFirst('account-user-view', ['id', 'uid'], ['pid' => $cid, 'uid' => $uid]); if (DBA::isResult($contact)) { $ucid = $contact['id']; } else { $ucid = 0; } } return ['public' => $pcid, 'user' => $ucid]; } /** * Helper function for "getPublicAndUserContactID" * * @param int $cid Either public contact id or user's contact id * @param int $uid User ID * * @return array with public and user's contact id * @throws HTTPException\InternalServerErrorException * @throws \ImagickException */ private static function legacyGetPublicAndUserContactID($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) { $pcid = self::getIdForURL($contact['url'], 0, false, ['url' => $contact['url']]); if (empty($pcid)) { return []; } $ucid = $contact['id']; } else { $pcid = $contact['id']; $ucid = self::getIdForURL($contact['url'], $uid); } 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; } } /** * Creates the self-contact for the provided user id * * @param int $uid * @return bool Operation success * @throws HTTPException\InternalServerErrorException */ public static function createSelfFromUserId($uid) { $user = DBA::selectFirst('user', ['uid', 'username', 'nickname', 'pubkey', 'prvkey'], ['uid' => $uid, 'account_expired' => false]); if (!DBA::isResult($user)) { return false; } $contact = [ 'uid' => $user['uid'], 'created' => DateTimeFormat::utcNow(), 'self' => 1, 'name' => $user['username'], 'nick' => $user['nickname'], 'pubkey' => $user['pubkey'], 'prvkey' => $user['prvkey'], 'photo' => User::getAvatarUrl($user), 'thumb' => User::getAvatarUrl($user, Proxy::SIZE_THUMB), 'micro' => User::getAvatarUrl($user, Proxy::SIZE_MICRO), 'blocked' => 0, 'pending' => 0, 'url' => DI::baseUrl() . '/profile/' . $user['nickname'], 'nurl' => Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']), 'addr' => $user['nickname'] . '@' . substr(DI::baseUrl(), strpos(DI::baseUrl(), '://') + 3), 'request' => DI::baseUrl() . '/dfrn_request/' . $user['nickname'], 'notify' => DI::baseUrl() . '/dfrn_notify/' . $user['nickname'], 'poll' => DI::baseUrl() . '/dfrn_poll/' . $user['nickname'], 'confirm' => DI::baseUrl() . '/dfrn_confirm/' . $user['nickname'], 'poco' => DI::baseUrl() . '/poco/' . $user['nickname'], 'name-date' => DateTimeFormat::utcNow(), 'uri-date' => DateTimeFormat::utcNow(), 'avatar-date' => DateTimeFormat::utcNow(), 'closeness' => 0 ]; $return = true; // Only create the entry if it doesn't exist yet if (!DBA::exists('contact', ['uid' => $uid, 'self' => true])) { $return = (bool)self::insert($contact); } // Create the public contact if (!DBA::exists('contact', ['nurl' => $contact['nurl'], 'uid' => 0])) { $contact['self'] = false; $contact['uid'] = 0; $contact['prvkey'] = null; self::insert($contact, Database::INSERT_IGNORE); } return $return; } /** * Updates the self-contact for the provided user id * * @param int $uid * @param boolean $update_avatar Force the avatar update * @return bool "true" if updated * @throws HTTPException\InternalServerErrorException */ public static function updateSelfFromUserID($uid, $update_avatar = false) { $fields = ['id', 'name', 'nick', 'location', 'about', 'keywords', 'avatar', 'prvkey', 'pubkey', 'xmpp', 'matrix', 'contact-type', 'forum', 'prv', 'avatar-date', 'url', 'nurl', 'unsearchable', 'photo', 'thumb', 'micro', 'header', 'addr', 'request', 'notify', 'poll', 'confirm', 'poco', 'network']; $self = DBA::selectFirst('contact', $fields, ['uid' => $uid, 'self' => true]); if (!DBA::isResult($self)) { return false; } $fields = ['uid', 'nickname', 'page-flags', 'account-type', 'prvkey', 'pubkey']; $user = DBA::selectFirst('user', $fields, ['uid' => $uid, 'account_expired' => false]); if (!DBA::isResult($user)) { return false; } $fields = ['name', 'photo', 'thumb', 'about', 'address', 'locality', 'region', 'country-name', 'pub_keywords', 'xmpp', 'matrix', 'net-publish']; $profile = DBA::selectFirst('profile', $fields, ['uid' => $uid]); if (!DBA::isResult($profile)) { return false; } $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'], 'contact-type' => $user['account-type'], 'prvkey' => $user['prvkey'], 'pubkey' => $user['pubkey'], 'xmpp' => $profile['xmpp'], 'matrix' => $profile['matrix'], 'network' => Protocol::DFRN]; // it seems as if ported accounts can have wrong values, so we make sure that now everything is fine. $fields['url'] = DI::baseUrl() . '/profile/' . $user['nickname']; $fields['nurl'] = Strings::normaliseLink($fields['url']); $fields['addr'] = $user['nickname'] . '@' . substr(DI::baseUrl(), strpos(DI::baseUrl(), '://') + 3); $fields['request'] = DI::baseUrl() . '/dfrn_request/' . $user['nickname']; $fields['notify'] = DI::baseUrl() . '/dfrn_notify/' . $user['nickname']; $fields['poll'] = DI::baseUrl() . '/dfrn_poll/'. $user['nickname']; $fields['confirm'] = DI::baseUrl() . '/dfrn_confirm/' . $user['nickname']; $fields['poco'] = DI::baseUrl() . '/poco/' . $user['nickname']; $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 $types = Images::supportedTypes(); if (isset($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']); $prefix = DI::baseUrl() . '/photo/' .$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 $fields['photo'] = self::getDefaultAvatar($fields, Proxy::SIZE_SMALL); $fields['thumb'] = self::getDefaultAvatar($fields, Proxy::SIZE_THUMB); $fields['micro'] = self::getDefaultAvatar($fields, Proxy::SIZE_MICRO); } $fields['avatar'] = User::getAvatarUrl($user); $fields['header'] = User::getBannerUrl($user); $fields['forum'] = $user['page-flags'] == User::PAGE_FLAGS_COMMUNITY; $fields['prv'] = $user['page-flags'] == User::PAGE_FLAGS_PRVGROUP; $fields['unsearchable'] = !$profile['net-publish']; $update = false; foreach ($fields as $field => $content) { if ($self[$field] != $content) { $update = true; } } if ($update) { if ($fields['name'] != $self['name']) { $fields['name-date'] = DateTimeFormat::utcNow(); } $fields['updated'] = DateTimeFormat::utcNow(); self::update($fields, ['id' => $self['id']]); // Update the public contact as well $fields['prvkey'] = null; $fields['self'] = false; self::update($fields, ['uid' => 0, 'nurl' => $self['nurl']]); // Update the profile $fields = [ 'photo' => User::getAvatarUrl($user), 'thumb' => User::getAvatarUrl($user, Proxy::SIZE_THUMB) ]; DBA::update('profile', $fields, ['uid' => $uid]); } return $update; } /** * Marks a contact for removal * * @param int $id contact id * @throws HTTPException\InternalServerErrorException */ public static function remove($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)) { return; } // Archive the contact self::update(['archive' => true, 'network' => Protocol::PHANTOM, 'deleted' => true], ['id' => $id]); // Delete it in the background Worker::add(PRIORITY_MEDIUM, 'Contact\Remove', $id); } /** * Sends an unfriend message. Removes the contact for two-way unfriending or sharing only protocols (feed an mail) * * @param array $user User unfriending * @param array $contact Contact (uid != 0) unfriended * @param boolean $two_way Revoke eventual inbound follow as well * @return bool|null true if successful, false if not, null if no remote action was performed * @throws HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function terminateFriendship(array $user, array $contact): ?bool { $result = Protocol::terminateFriendship($user, $contact); if ($contact['rel'] == Contact::SHARING || in_array($contact['network'], [Protocol::FEED, Protocol::MAIL])) { self::remove($contact['id']); } else { self::update(['rel' => Contact::FOLLOWER], ['id' => $contact['id']]); } return $result; } /** * Revoke follow privileges of the remote user contact * * @param array $contact Contact unfriended * @return bool|null Whether the remote operation is successful or null if no remote operation was performed * @throws HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function revokeFollow(array $contact): ?bool { if (empty($contact['network'])) { throw new \InvalidArgumentException('Empty network in contact array'); } if (empty($contact['uid'])) { throw new \InvalidArgumentException('Unexpected public contact record'); } $result = Protocol::revokeFollow($contact); // A null value here means the remote network doesn't support explicit follow revocation, we can still // break the locally recorded relationship if ($result !== false) { if ($contact['rel'] == self::FRIEND) { self::update(['rel' => self::SHARING], ['id' => $contact['id']]); } else { self::remove($contact['id']); } } return $result; } /** * 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 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::info('Empty contact', ['contact' => $contact, 'callstack' => System::callstack(20)]); } Logger::info('Contact is marked for archival', ['id' => $contact['id'], 'term-date' => $contact['term-date']]); // Contact already archived or "self" contact? => nothing to do if ($contact['archive'] || $contact['self']) { return; } if ($contact['term-date'] <= DBA::NULL_DATETIME) { self::update(['term-date' => DateTimeFormat::utcNow()], ['id' => $contact['id']]); self::update(['term-date' => DateTimeFormat::utcNow()], ['`nurl` = ? AND `term-date` <= ? AND NOT `self`', Strings::normaliseLink($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 = DI::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. */ self::update(['archive' => true], ['id' => $contact['id']]); self::update(['archive' => true], ['nurl' => Strings::normaliseLink($contact['url']), 'self' => false]); } } } /** * 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 $contact) { // Always unarchive the relay contact entry if (!empty($contact['batch']) && !empty($contact['term-date']) && ($contact['term-date'] > DBA::NULL_DATETIME)) { $fields = ['failed' => false, 'term-date' => DBA::NULL_DATETIME, 'archive' => false]; $condition = ['uid' => 0, 'network' => Protocol::FEDERATED, 'batch' => $contact['batch'], 'contact-type' => self::TYPE_RELAY]; if (!DBA::exists('contact', array_merge($condition, $fields))) { self::update($fields, $condition); } } $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::info('Contact is marked as vital again', ['id' => $contact['id'], 'term-date' => $contact['term-date']]); if (!isset($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. $fields = ['failed' => false, 'term-date' => DBA::NULL_DATETIME, 'archive' => false]; self::update($fields, ['id' => $contact['id']]); self::update($fields, ['nurl' => Strings::normaliseLink($contact['url']), 'self' => false]); } /** * 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 HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function photoMenu(array $contact, $uid = 0) { $pm_url = ''; $status_link = ''; $photos_link = ''; $poke_link = ''; if ($uid == 0) { $uid = local_user(); } if (empty($contact['uid']) || ($contact['uid'] != $uid)) { if ($uid == 0) { $profile_link = self::magicLinkByContact($contact); $menu = ['profile' => [DI::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) && !$contact['self'] && empty($contact['pending'])) { $sparkle = true; $profile_link = DI::baseUrl() . '/redir/' . $contact['id']; } else { $profile_link = $contact['url']; } if ($profile_link === 'mailbox') { $profile_link = ''; } if ($sparkle) { $status_link = $profile_link . '/status'; $photos_link = str_replace('/profile/', '/photos/', $profile_link); $profile_link = $profile_link . '/profile'; } if (self::canReceivePrivateMessages($contact) && empty($contact['pending'])) { $pm_url = DI::baseUrl() . '/message/new/' . $contact['id']; } if (($contact['network'] == Protocol::DFRN) && !$contact['self'] && empty($contact['pending'])) { $poke_link = 'contact/' . $contact['id'] . '/poke'; } $contact_url = DI::baseUrl() . '/contact/' . $contact['id']; $posts_link = DI::baseUrl() . '/contact/' . $contact['id'] . '/conversations'; $follow_link = ''; $unfollow_link = ''; if (!$contact['self'] && Protocol::supportsFollow($contact['network'])) { if ($contact['uid'] && in_array($contact['rel'], [self::SHARING, self::FRIEND])) { $unfollow_link = 'unfollow?url=' . urlencode($contact['url']) . '&auto=1'; } elseif(!$contact['pending']) { $follow_link = 'follow?url=' . urlencode($contact['url']) . '&auto=1'; } } /** * Menu array: * "name" => [ "Label", "link", (bool)Should the link opened in a new tab? ] */ if (empty($contact['uid'])) { $menu = [ 'profile' => [DI::l10n()->t('View Profile') , $profile_link , true], 'network' => [DI::l10n()->t('Network Posts') , $posts_link , false], 'edit' => [DI::l10n()->t('View Contact') , $contact_url , false], 'follow' => [DI::l10n()->t('Connect/Follow'), $follow_link , true], 'unfollow'=> [DI::l10n()->t('UnFollow') , $unfollow_link, true], ]; } else { $menu = [ 'status' => [DI::l10n()->t('View Status') , $status_link , true], 'profile' => [DI::l10n()->t('View Profile') , $profile_link , true], 'photos' => [DI::l10n()->t('View Photos') , $photos_link , true], 'network' => [DI::l10n()->t('Network Posts') , $posts_link , false], 'edit' => [DI::l10n()->t('View Contact') , $contact_url , false], 'pm' => [DI::l10n()->t('Send PM') , $pm_url , false], 'poke' => [DI::l10n()->t('Poke') , $poke_link , false], 'follow' => [DI::l10n()->t('Connect/Follow'), $follow_link , true], 'unfollow'=> [DI::l10n()->t('UnFollow') , $unfollow_link , true], ]; if (!empty($contact['pending'])) { try { $intro = DI::intro()->selectForContact($contact['id']); $menu['follow'] = [DI::l10n()->t('Approve'), 'notifications/intros/' . $intro->id, true]; } catch (IntroductionNotFoundException $exception) { DI::logger()->error('Pending contact doesn\'t have an introduction.', ['exception' => $exception]); } } } $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; } /** * 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 $update true = always update, false = never update, null = update when not found * @param array $default Default value for creating the contact when everything else fails * * @return integer Contact ID * @throws HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function getIdForURL($url, $uid = 0, $update = null, $default = []) { $contact_id = 0; if ($url == '') { Logger::notice('Empty url, quitting', ['url' => $url, 'user' => $uid, 'default' => $default]); return 0; } $contact = self::getByURL($url, false, ['id', 'network', 'uri-id'], $uid); if (!empty($contact)) { $contact_id = $contact["id"]; if (empty($update) && (!empty($contact['uri-id']) || is_bool($update))) { Logger::debug('Contact found', ['url' => $url, 'uid' => $uid, 'update' => $update, 'cid' => $contact_id]); return $contact_id; } } elseif ($uid != 0) { Logger::debug('Contact does not exist for the user', ['url' => $url, 'uid' => $uid, 'update' => $update]); return 0; } elseif (empty($default) && !is_null($update) && !$update) { Logger::info('Contact not found, update not desired', ['url' => $url, 'uid' => $uid, 'update' => $update]); return 0; } $data = []; if (empty($default['network']) || $update) { $data = Probe::uri($url, "", $uid); // Take the default values when probing failed if (!empty($default) && !in_array($data["network"], array_merge(Protocol::NATIVE_SUPPORT, [Protocol::PUMPIO]))) { $data = array_merge($data, $default); } } elseif (!empty($default['network'])) { $data = $default; } if (($uid == 0) && (empty($data['network']) || ($data['network'] == Protocol::PHANTOM))) { // Fetch data for the public contact via the first found personal contact /// @todo Check if this case can happen at all (possibly with mail accounts?) $fields = ['name', 'nick', 'url', 'addr', 'alias', 'avatar', 'header', 'contact-type', 'keywords', 'location', 'about', 'unsearchable', 'batch', 'notify', 'poll', 'request', 'confirm', 'poco', 'subscribe', 'network', 'baseurl', 'gsid']; $personal_contact = DBA::selectFirst('contact', $fields, ["`addr` = ? AND `uid` != 0", $url]); if (!DBA::isResult($personal_contact)) { $personal_contact = DBA::selectFirst('contact', $fields, ["`nurl` = ? AND `uid` != 0", Strings::normaliseLink($url)]); } if (DBA::isResult($personal_contact)) { Logger::info('Take contact data from personal contact', ['url' => $url, 'update' => $update, 'contact' => $personal_contact, 'callstack' => System::callstack(20)]); $data = $personal_contact; $data['photo'] = $personal_contact['avatar']; $data['account-type'] = $personal_contact['contact-type']; $data['hide'] = $personal_contact['unsearchable']; unset($data['avatar']); unset($data['contact-type']); unset($data['unsearchable']); } } if (empty($data['network']) || ($data['network'] == Protocol::PHANTOM)) { Logger::notice('No valid network found', ['url' => $url, 'uid' => $uid, 'default' => $default, 'update' => $update, 'callstack' => System::callstack(20)]); return 0; } if (!$contact_id) { $urls = [Strings::normaliseLink($url), Strings::normaliseLink($data['url'])]; if (!empty($data['alias'])) { $urls[] = Strings::normaliseLink($data['alias']); } $contact = self::selectFirst(['id'], ['nurl' => $urls, 'uid' => $uid]); if (!empty($contact['id'])) { $contact_id = $contact['id']; Logger::info('Fetched id by url', ['cid' => $contact_id, 'uid' => $uid, 'url' => $url, 'data' => $data]); } } if (!$contact_id) { // We only insert the basic data. The rest will be done in "updateFromProbeArray" $fields = [ 'uid' => $uid, 'url' => $data['url'], 'nurl' => Strings::normaliseLink($data['url']), 'network' => $data['network'], 'created' => DateTimeFormat::utcNow(), 'rel' => self::SHARING, '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. if (DI::lock()->acquire(self::LOCK_INSERT, 0)) { $contact = DBA::selectFirst('contact', ['id'], $condition, ['order' => ['id']]); if (DBA::isResult($contact)) { $contact_id = $contact['id']; Logger::notice('Contact had been created (shortly) before', ['id' => $contact_id, 'url' => $url, 'uid' => $uid]); } else { $contact_id = self::insert($fields); if ($contact_id) { Logger::info('Contact inserted', ['id' => $contact_id, 'url' => $url, 'uid' => $uid]); } } DI::lock()->release(self::LOCK_INSERT); } else { Logger::warning('Contact lock had not been acquired'); } if (!$contact_id) { Logger::info('Contact was not inserted', ['url' => $url, 'uid' => $uid]); return 0; } } else { Logger::info('Contact will be updated', ['url' => $url, 'uid' => $uid, 'update' => $update, 'cid' => $contact_id]); } if ($data['network'] == Protocol::DIASPORA) { FContact::updateFromProbeArray($data); } self::updateFromProbeArray($contact_id, $data); // Don't return a number for a deleted account if (!empty($data['account-type']) && $data['account-type'] == User::ACCOUNT_TYPE_DELETED) { Logger::info('Contact is a tombstone', ['url' => $url, 'uid' => $uid]); return 0; } return $contact_id; } /** * Checks if the contact is archived * * @param int $cid contact id * * @return boolean Is the contact archived? * @throws 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'])) { $condition = ['archive' => true, 'uid' => 0, 'network' => Protocol::FEDERATED, 'batch' => $contact['batch'], 'contact-type' => self::TYPE_RELAY]; return DBA::exists('contact', $condition); } return false; } /** * Checks if the contact is blocked * * @param int $cid contact id * * @return boolean Is the contact blocked? * @throws HTTPException\InternalServerErrorException */ public static function isBlocked($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']; } /** * 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']; } /** * Returns posts from a given contact url * * @param string $contact_url Contact URL * @param bool $thread_mode * @param int $update Update mode * @param int $parent Item parent ID for the update mode * @param bool $only_media Only display media content * @return string posts in HTML * @throws \Exception */ public static function getPostsFromUrl($contact_url, $thread_mode = false, $update = 0, $parent = 0, bool $only_media = false) { return self::getPostsFromId(self::getIdForURL($contact_url), $thread_mode, $update, $parent, $only_media); } /** * Returns posts from a given contact id * * @param int $cid Contact ID * @param bool $thread_mode * @param int $update Update mode * @param int $parent Item parent ID for the update mode * @param bool $only_media Only display media content * @return string posts in HTML * @throws \Exception */ public static function getPostsFromId($cid, $thread_mode = false, $update = 0, $parent = 0, bool $only_media = false) { $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 = "(`uid` = 0 OR (`uid` = ? AND NOT `global`))"; } else { $sql = "`uid` = ?"; } $contact_field = ((($contact["contact-type"] == self::TYPE_COMMUNITY) || ($contact['network'] == Protocol::MAIL)) ? 'owner-id' : 'author-id'); if ($thread_mode) { $condition = ["((`$contact_field` = ? AND `gravity` = ?) OR (`author-id` = ? AND `gravity` = ? AND `vid` = ?)) AND " . $sql, $cid, GRAVITY_PARENT, $cid, GRAVITY_ACTIVITY, Verb::getID(Activity::ANNOUNCE), local_user()]; } else { $condition = ["`$contact_field` = ? AND `gravity` IN (?, ?) AND " . $sql, $cid, GRAVITY_PARENT, GRAVITY_COMMENT, local_user()]; } if (!empty($parent)) { $condition = DBA::mergeConditions($condition, ['parent' => $parent]); } else { $last_received = isset($_GET['last_received']) ? DateTimeFormat::utc($_GET['last_received']) : ''; if (!empty($last_received)) { $condition = DBA::mergeConditions($condition, ["`received` < ?", $last_received]); } } if ($only_media) { $condition = DBA::mergeConditions($condition, ["`uri-id` IN (SELECT `uri-id` FROM `post-media` WHERE `type` IN (?, ?, ?))", Post\Media::AUDIO, Post\Media::IMAGE, Post\Media::VIDEO]); } if (DI::mode()->isMobile()) { $itemsPerPage = DI::pConfig()->get(local_user(), 'system', 'itemspage_mobile_network', DI::config()->get('system', 'itemspage_network_mobile')); } else { $itemsPerPage = DI::pConfig()->get(local_user(), 'system', 'itemspage_network', DI::config()->get('system', 'itemspage_network')); } $pager = new Pager(DI::l10n(), DI::args()->getQueryString(), $itemsPerPage); $params = ['order' => ['received' => true], 'limit' => [$pager->getStart(), $pager->getItemsPerPage()]]; if (DI::pConfig()->get(local_user(), 'system', 'infinite_scroll')) { $tpl = Renderer::getMarkupTemplate('infinite_scroll_head.tpl'); $o = Renderer::replaceMacros($tpl, ['$reload_uri' => DI::args()->getQueryString()]); } else { $o = ''; } if ($thread_mode) { $items = Post::toArray(Post::selectForUser(local_user(), ['uri-id', 'gravity', 'parent-uri-id', 'thr-parent-id', 'author-id'], $condition, $params)); $o .= DI::conversation()->create($items, 'contacts', $update, false, 'commented', local_user()); } else { $items = Post::toArray(Post::selectForUser(local_user(), Item::DISPLAY_FIELDLIST, $condition, $params)); $o .= DI::conversation()->create($items, 'contact-posts', $update); } if (!$update) { if (DI::pConfig()->get(local_user(), 'system', 'infinite_scroll')) { $o .= HTML::scrollLoader(); } else { $o .= $pager->renderMinimal(count($items)); } } return $o; } /** * 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 $contact) { // There are several fields that indicate that the contact or user is a forum // "page-flags" is a field in the user table, // "forum" and "prv" are used in the contact table. They stand for User::PAGE_FLAGS_COMMUNITY and User::PAGE_FLAGS_PRVGROUP. if ((isset($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 = DI::l10n()->t("Organisation"); break; case self::TYPE_NEWS: $account_type = DI::l10n()->t('News'); break; case self::TYPE_COMMUNITY: $account_type = DI::l10n()->t("Forum"); break; default: $account_type = ""; break; } return $account_type; } /** * Blocks a contact * * @param int $cid * @return bool * @throws \Exception */ public static function block($cid, $reason = null) { $return = self::update(['blocked' => true, 'block_reason' => $reason], ['id' => $cid]); return $return; } /** * Unblocks a contact * * @param int $cid * @return bool * @throws \Exception */ public static function unblock($cid) { $return = self::update(['blocked' => false, 'block_reason' => null], ['id' => $cid]); return $return; } /** * Ensure that cached avatar exist * * @param integer $cid */ public static function checkAvatarCache(int $cid) { $contact = DBA::selectFirst('contact', ['url', 'network', 'avatar', 'photo', 'thumb', 'micro'], ['id' => $cid, 'uid' => 0, 'self' => false]); if (!DBA::isResult($contact)) { return; } if (in_array($contact['network'], [Protocol::FEED, Protocol::MAIL]) || DI::config()->get('system', 'cache_contact_avatar')) { if (!empty($contact['avatar']) && (empty($contact['photo']) || empty($contact['thumb']) || empty($contact['micro']))) { Logger::info('Adding avatar cache', ['id' => $cid, 'contact' => $contact]); self::updateAvatar($cid, $contact['avatar'], true); return; } } elseif (!empty($contact['photo']) || !empty($contact['thumb']) || !empty($contact['micro'])) { Logger::info('Removing avatar cache', ['id' => $cid, 'contact' => $contact]); self::updateAvatar($cid, $contact['avatar'], true); return; } } /** * Return the photo path for a given contact array in the given size * * @param array $contact contact array * @param string $field Fieldname of the photo in the contact array * @param string $size Size of the avatar picture * @param string $avatar Avatar path that is displayed when no photo had been found * @param bool $no_update Don't perfom an update if no cached avatar was found * @return string photo path */ private static function getAvatarPath(array $contact, string $size, $no_update = false) { $contact = self::checkAvatarCacheByArray($contact, $no_update); return self::getAvatarUrlForId($contact['id'], $size, $contact['updated'] ?? ''); } /** * Return the photo path for a given contact array * * @param array $contact Contact array * @param bool $no_update Don't perfom an update if no cached avatar was found * @return string photo path */ public static function getPhoto(array $contact, bool $no_update = false) { return self::getAvatarPath($contact, Proxy::SIZE_SMALL, $no_update); } /** * Return the photo path (thumb size) for a given contact array * * @param array $contact Contact array * @param bool $no_update Don't perfom an update if no cached avatar was found * @return string photo path */ public static function getThumb(array $contact, bool $no_update = false) { return self::getAvatarPath($contact, Proxy::SIZE_THUMB, $no_update); } /** * Return the photo path (micro size) for a given contact array * * @param array $contact Contact array * @param bool $no_update Don't perfom an update if no cached avatar was found * @return string photo path */ public static function getMicro(array $contact, bool $no_update = false) { return self::getAvatarPath($contact, Proxy::SIZE_MICRO, $no_update); } /** * Check the given contact array for avatar cache fields * * @param array $contact * @param bool $no_update Don't perfom an update if no cached avatar was found * @return array contact array with avatar cache fields */ private static function checkAvatarCacheByArray(array $contact, bool $no_update = false) { $update = false; $contact_fields = []; $fields = ['photo', 'thumb', 'micro']; foreach ($fields as $field) { if (isset($contact[$field])) { $contact_fields[] = $field; } if (isset($contact[$field]) && empty($contact[$field])) { $update = true; } } if (!$update || $no_update) { return $contact; } if (!empty($contact['id']) && !empty($contact['avatar'])) { self::updateAvatar($contact['id'], $contact['avatar'], true); $new_contact = self::getById($contact['id'], $contact_fields); if (DBA::isResult($new_contact)) { // We only update the cache fields $contact = array_merge($contact, $new_contact); } } /// add the default avatars if the fields aren't filled if (isset($contact['photo']) && empty($contact['photo'])) { $contact['photo'] = self::getDefaultAvatar($contact, Proxy::SIZE_SMALL); } if (isset($contact['thumb']) && empty($contact['thumb'])) { $contact['thumb'] = self::getDefaultAvatar($contact, Proxy::SIZE_THUMB); } if (isset($contact['micro']) && empty($contact['micro'])) { $contact['micro'] = self::getDefaultAvatar($contact, Proxy::SIZE_MICRO); } return $contact; } /** * Fetch the default header for the given contact * * @param array $contact contact array * @return string avatar URL */ public static function getDefaultHeader(array $contact): string { if (!empty($contact['header']) || in_array($contact['network'], [Protocol::ACTIVITYPUB, Protocol::TWITTER])) { return DI::baseUrl() . '/images/blank.png'; } if (!empty($contact['gsid'])) { // Use default banners for certain platforms $gserver = DBA::selectFirst('gserver', ['platform'], ['id' => $contact['gsid']]); $platform = strtolower($gserver['platform'] ?? ''); } else { $platform = ''; } switch ($platform) { case 'friendica': case 'friendika': /** * Picture credits * @author Lostinlight * @license CC0 https://creativecommons.org/share-your-work/public-domain/cc0/ * @link https://gitlab.com/lostinlight/per_aspera_ad_astra/-/blob/master/friendica-404/friendica-promo-bubbles.jpg */ $header = DI::baseUrl() . '/images/friendica-banner.jpg'; break; case 'diaspora': /** * Picture credits * @author John Liu * @license CC BY 2.0 https://creativecommons.org/licenses/by/2.0/ * @link https://www.flickr.com/photos/8047705@N02/5572197407 */ $header = DI::baseUrl() . '/images/diaspora-banner.jpg'; break; default: /** * Use random pictures for networks that don't provide banners. * The service provides random pictures from Unsplash. * @license https://unsplash.com/license */ $header = 'https://picsum.photos/seed/' . hash('ripemd128', $contact['url']) . '/960/300'; break; } return $header; } /** * Fetch the default avatar for the given contact and size * * @param array $contact contact array * @param string $size Size of the avatar picture * @return string avatar URL */ public static function getDefaultAvatar(array $contact, string $size) { switch ($size) { case Proxy::SIZE_MICRO: $avatar['size'] = 48; $default = self::DEFAULT_AVATAR_MICRO; break; case Proxy::SIZE_THUMB: $avatar['size'] = 80; $default = self::DEFAULT_AVATAR_THUMB; break; case Proxy::SIZE_SMALL: default: $avatar['size'] = 300; $default = self::DEFAULT_AVATAR_PHOTO; break; } if (!DI::config()->get('system', 'remote_avatar_lookup')) { return DI::baseUrl() . $default; } if (!empty($contact['xmpp'])) { $avatar['email'] = $contact['xmpp']; } elseif (!empty($contact['addr'])) { $avatar['email'] = $contact['addr']; } elseif (!empty($contact['url'])) { $avatar['email'] = $contact['url']; } else { return DI::baseUrl() . $default; } $avatar['url'] = ''; $avatar['success'] = false; Hook::callAll('avatar_lookup', $avatar); if ($avatar['success'] && !empty($avatar['url'])) { return $avatar['url']; } return DI::baseUrl() . $default; } /** * Get avatar link for given contact id * * @param integer $cid contact id * @param string $size One of the Proxy::SIZE_* constants * @param string $updated Contact update date * @return string avatar link */ public static function getAvatarUrlForId(int $cid, string $size = '', string $updated = '', string $guid = ''):string { // We have to fetch the "updated" variable when it wasn't provided // The parameter can be provided to improve performance if (empty($updated) || empty($guid)) { $account = DBA::selectFirst('account-user-view', ['updated', 'guid'], ['id' => $cid]); $updated = $account['updated'] ?? ''; $guid = $account['guid'] ?? ''; } $guid = urlencode($guid); $url = DI::baseUrl() . '/photo/contact/'; switch ($size) { case Proxy::SIZE_MICRO: $url .= Proxy::PIXEL_MICRO . '/'; break; case Proxy::SIZE_THUMB: $url .= Proxy::PIXEL_THUMB . '/'; break; case Proxy::SIZE_SMALL: $url .= Proxy::PIXEL_SMALL . '/'; break; case Proxy::SIZE_MEDIUM: $url .= Proxy::PIXEL_MEDIUM . '/'; break; case Proxy::SIZE_LARGE: $url .= Proxy::PIXEL_LARGE . '/'; break; } return $url . ($guid ?: $cid) . ($updated ? '?ts=' . strtotime($updated) : ''); } /** * Get avatar link for given contact URL * * @param string $url contact url * @param integer $uid user id * @param string $size One of the Proxy::SIZE_* constants * @return string avatar link */ public static function getAvatarUrlForUrl(string $url, int $uid, string $size = ''):string { $condition = ["`nurl` = ? AND ((`uid` = ? AND `network` IN (?, ?)) OR `uid` = ?)", Strings::normaliseLink($url), $uid, Protocol::FEED, Protocol::MAIL, 0]; $contact = self::selectFirst(['id', 'updated'], $condition, ['order' => ['uid' => true]]); return self::getAvatarUrlForId($contact['id'] ?? 0, $size, $contact['updated'] ?? ''); } /** * Get header link for given contact id * * @param integer $cid contact id * @param string $size One of the Proxy::SIZE_* constants * @param string $updated Contact update date * @return string header link */ public static function getHeaderUrlForId(int $cid, string $size = '', string $updated = '', string $guid = ''):string { // We have to fetch the "updated" variable when it wasn't provided // The parameter can be provided to improve performance if (empty($updated) || empty($guid)) { $account = DBA::selectFirst('account-user-view', ['updated', 'guid'], ['id' => $cid]); $updated = $account['updated'] ?? ''; $guid = $account['guid'] ?? ''; } $guid = urlencode($guid); $url = DI::baseUrl() . '/photo/header/'; switch ($size) { case Proxy::SIZE_MICRO: $url .= Proxy::PIXEL_MICRO . '/'; break; case Proxy::SIZE_THUMB: $url .= Proxy::PIXEL_THUMB . '/'; break; case Proxy::SIZE_SMALL: $url .= Proxy::PIXEL_SMALL . '/'; break; case Proxy::SIZE_MEDIUM: $url .= Proxy::PIXEL_MEDIUM . '/'; break; case Proxy::SIZE_LARGE: $url .= Proxy::PIXEL_LARGE . '/'; break; } return $url . ($guid ?: $cid) . ($updated ? '?ts=' . strtotime($updated) : ''); } /** * Updates the avatar links in a contact only if needed * * @param int $cid Contact id * @param string $avatar Link to avatar picture * @param bool $force force picture update * @param bool $create_cache Enforces the creation of cached avatar fields * * @return void * @throws HTTPException\InternalServerErrorException * @throws HTTPException\NotFoundException * @throws \ImagickException */ public static function updateAvatar(int $cid, string $avatar, bool $force = false, bool $create_cache = false) { $contact = DBA::selectFirst('contact', ['uid', 'avatar', 'photo', 'thumb', 'micro', 'xmpp', 'addr', 'nurl', 'url', 'network'], ['id' => $cid, 'self' => false]); if (!DBA::isResult($contact)) { return; } $uid = $contact['uid']; // Only update the cached photo links of public contacts when they already are cached if (($uid == 0) && !$force && empty($contact['thumb']) && empty($contact['micro']) && !$create_cache) { if ($contact['avatar'] != $avatar) { self::update(['avatar' => $avatar], ['id' => $cid]); Logger::info('Only update the avatar', ['id' => $cid, 'avatar' => $avatar, 'contact' => $contact]); } return; } // User contacts use are updated through the public contacts if (($uid != 0) && !in_array($contact['network'], [Protocol::FEED, Protocol::MAIL])) { $pcid = self::getIdForURL($contact['url'], 0, false); if (!empty($pcid)) { Logger::debug('Update the private contact via the public contact', ['id' => $cid, 'uid' => $uid, 'public' => $pcid]); self::updateAvatar($pcid, $avatar, $force, true); return; } } $default_avatar = empty($avatar) || strpos($avatar, self::DEFAULT_AVATAR_PHOTO); if ($default_avatar) { $avatar = self::getDefaultAvatar($contact, Proxy::SIZE_SMALL); } if (in_array($contact['network'], [Protocol::FEED, Protocol::MAIL]) || DI::config()->get('system', 'cache_contact_avatar')) { if ($default_avatar && Proxy::isLocalImage($avatar)) { $fields = ['avatar' => $avatar, 'avatar-date' => DateTimeFormat::utcNow(), 'photo' => $avatar, 'thumb' => self::getDefaultAvatar($contact, Proxy::SIZE_THUMB), 'micro' => self::getDefaultAvatar($contact, Proxy::SIZE_MICRO)]; Logger::debug('Use default avatar', ['id' => $cid, 'uid' => $uid]); } // Use the data from the self account if (empty($fields)) { $local_uid = User::getIdForURL($contact['url']); if (!empty($local_uid)) { $fields = self::selectFirst(['avatar', 'avatar-date', 'photo', 'thumb', 'micro'], ['self' => true, 'uid' => $local_uid]); Logger::debug('Use owner data', ['id' => $cid, 'uid' => $uid, 'owner-uid' => $local_uid]); } } if (empty($fields)) { $update = ($contact['avatar'] != $avatar) || $force; if (!$update) { $data = [ $contact['photo'] ?? '', $contact['thumb'] ?? '', $contact['micro'] ?? '', ]; foreach ($data as $image_uri) { $image_rid = Photo::ridFromURI($image_uri); if ($image_rid && !Photo::exists(['resource-id' => $image_rid, 'uid' => $uid])) { Logger::debug('Regenerating avatar', ['contact uid' => $uid, 'cid' => $cid, 'missing photo' => $image_rid, 'avatar' => $contact['avatar']]); $update = true; } } } if ($update) { $photos = Photo::importProfilePhoto($avatar, $uid, $cid, true); if ($photos) { $fields = ['avatar' => $avatar, 'photo' => $photos[0], 'thumb' => $photos[1], 'micro' => $photos[2], 'avatar-date' => DateTimeFormat::utcNow()]; $update = !empty($fields); Logger::debug('Created new cached avatars', ['id' => $cid, 'uid' => $uid, 'owner-uid' => $local_uid]); } else { $update = false; } } } else { $update = ($fields['photo'] . $fields['thumb'] . $fields['micro'] != $contact['photo'] . $contact['thumb'] . $contact['micro']) || $force; } } else { Photo::delete(['uid' => $uid, 'contact-id' => $cid, 'photo-type' => Photo::CONTACT_AVATAR]); $fields = ['avatar' => $avatar, 'avatar-date' => DateTimeFormat::utcNow(), 'photo' => '', 'thumb' => '', 'micro' => '']; $update = ($avatar != $contact['avatar'] . $contact['photo'] . $contact['thumb'] . $contact['micro']) || $force; } if (!$update) { return; } $cids = []; $uids = []; if (($uid == 0) && !in_array($contact['network'], [Protocol::FEED, Protocol::MAIL])) { // Collect all user contacts of the given public contact $personal_contacts = DBA::select('contact', ['id', 'uid'], ["`nurl` = ? AND `id` != ? AND NOT `self`", $contact['nurl'], $cid]); while ($personal_contact = DBA::fetch($personal_contacts)) { $cids[] = $personal_contact['id']; $uids[] = $personal_contact['uid']; } DBA::close($personal_contacts); if (!empty($cids)) { // Delete possibly existing cached user contact avatars Photo::delete(['uid' => $uids, 'contact-id' => $cids, 'photo-type' => Photo::CONTACT_AVATAR]); } } $cids[] = $cid; $uids[] = $uid; Logger::info('Updating cached contact avatars', ['cid' => $cids, 'uid' => $uids, 'fields' => $fields]); self::update($fields, ['id' => $cids]); } public static function deleteContactByUrl(string $url) { // Update contact data for all users $condition = ['self' => false, 'nurl' => Strings::normaliseLink($url)]; $contacts = DBA::select('contact', ['id', 'uid'], $condition); while ($contact = DBA::fetch($contacts)) { Logger::info('Deleting contact', ['id' => $contact['id'], 'uid' => $contact['uid'], 'url' => $url]); self::remove($contact['id']); } } /** * Helper function for "updateFromProbe". Updates personal and public contact * * @param integer $id contact id * @param integer $uid user id * @param string $old_url The previous profile URL of the contact * @param string $new_url The profile URL of the contact * @param array $fields The fields that are updated * * @throws \Exception */ private static function updateContact(int $id, int $uid, string $old_url, string $new_url, array $fields) { if (!self::update($fields, ['id' => $id])) { Logger::info('Couldn\'t update contact.', ['id' => $id, 'fields' => $fields]); return; } // Search for duplicated contacts and get rid of them if (self::removeDuplicates(Strings::normaliseLink($new_url), $uid)) { return; } // Archive or unarchive the contact. $contact = DBA::selectFirst('contact', [], ['id' => $id]); if (!DBA::isResult($contact)) { Logger::info('Couldn\'t select contact for archival.', ['id' => $id]); return; } if (isset($fields['failed'])) { if ($fields['failed']) { self::markForArchival($contact); } else { self::unmarkForArchival($contact); } } if ($contact['uid'] != 0) { return; } // Update contact data for all users $condition = ['self' => false, 'nurl' => Strings::normaliseLink($old_url)]; $condition['network'] = [Protocol::DFRN, Protocol::DIASPORA, Protocol::ACTIVITYPUB]; self::update($fields, $condition); // We mustn't set the update fields for OStatus contacts since they are updated in OnePoll $condition['network'] = Protocol::OSTATUS; // If the contact failed, propagate the update fields to all contacts if (empty($fields['failed'])) { unset($fields['last-update']); unset($fields['success_update']); unset($fields['failure_update']); } if (empty($fields)) { return; } self::update($fields, $condition); } /** * Remove duplicated contacts * * @param string $nurl Normalised contact url * @param integer $uid User id * @return boolean * @throws \Exception */ public static function removeDuplicates(string $nurl, int $uid) { $condition = ['nurl' => $nurl, 'uid' => $uid, 'self' => false, '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, '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'], $uid); } DBA::close($duplicates); Logger::info('Duplicates handled', ['uid' => $uid, 'nurl' => $nurl, 'callstack' => System::callstack(20)]); return true; } /** * @param integer $id contact id * @param string $network Optional network we are probing for * @return boolean * @throws HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function updateFromProbe(int $id, string $network = '') { $contact = DBA::selectFirst('contact', ['uid', 'url'], ['id' => $id]); if (!DBA::isResult($contact)) { return false; } $ret = Probe::uri($contact['url'], $network, $contact['uid']); if ($ret['network'] == Protocol::DIASPORA) { FContact::updateFromProbeArray($ret); } return self::updateFromProbeArray($id, $ret); } /** * @param integer $id contact id * @param array $ret Probed data * @return boolean * @throws HTTPException\InternalServerErrorException * @throws \ImagickException */ private static function updateFromProbeArray(int $id, array $ret) { /* 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: // 'sensitive' $fields = ['uid', 'uri-id', 'avatar', 'header', 'name', 'nick', 'location', 'keywords', 'about', 'subscribe', 'manually-approve', 'unsearchable', 'url', 'addr', 'batch', 'notify', 'poll', 'request', 'confirm', 'poco', 'network', 'alias', 'baseurl', 'gsid', 'forum', 'prv', 'contact-type', 'pubkey', 'last-item', 'xmpp', 'matrix']; $contact = DBA::selectFirst('contact', $fields, ['id' => $id]); if (!DBA::isResult($contact)) { return false; } if (self::isLocal($ret['url'])) { if ($contact['uid'] == 0) { Logger::info('Local contacts are not updated here.'); } else { self::updateFromPublicContact($id, $contact); } return true; } if (!empty($ret['account-type']) && $ret['account-type'] == User::ACCOUNT_TYPE_DELETED) { Logger::info('Deleted account', ['id' => $id, 'url' => $ret['url'], 'ret' => $ret]); self::remove($id); // Delete all contacts with the same URL self::deleteContactByUrl($ret['url']); return true; } $uid = $contact['uid']; unset($contact['uid']); $uriid = $contact['uri-id']; unset($contact['uri-id']); $pubkey = $contact['pubkey']; unset($contact['pubkey']); $contact['photo'] = $contact['avatar']; unset($contact['avatar']); $updated = DateTimeFormat::utcNow(); if (Strings::normaliseLink($contact['url']) != Strings::normaliseLink($ret['url'])) { Logger::notice('New URL differs from old URL', ['id' => $id, 'uid' => $uid, 'old' => $contact['url'], 'new' => $ret['url']]); self::updateContact($id, $uid, $contact['url'], $ret['url'], ['failed' => true, 'last-update' => $updated, 'failure_update' => $updated]); return false; } // We must not try to update relay contacts via probe. They are no real contacts. // We check after the probing to be able to correct falsely detected contact types. if (($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'], $contact['url'], ['failed' => false, 'last-update' => $updated, 'success_update' => $updated]); Logger::info('Not updating relais', ['id' => $id, 'url' => $contact['url']]); return true; } // If Probe::uri fails the network code will be different ("feed" or "unkn") if (($ret['network'] == Protocol::PHANTOM) || (($ret['network'] == Protocol::FEED) && ($ret['network'] != $contact['network']))) { self::updateContact($id, $uid, $contact['url'], $ret['url'], ['failed' => true, 'last-update' => $updated, 'failure_update' => $updated]); return false; } if (Strings::normaliseLink($ret['url']) != Strings::normaliseLink($contact['url'])) { $cid = self::getIdForURL($ret['url'], 0, false); if (!empty($cid) && ($cid != $id)) { Logger::notice('URL of contact changed.', ['id' => $id, 'new_id' => $cid, 'old' => $contact['url'], 'new' => $ret['url']]); return self::updateFromProbeArray($cid, $ret); } } if (isset($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) && isset($ret['manually-approve'])) { $ret['forum'] = (bool)!$ret['manually-approve']; $ret['prv'] = (bool)!$ret['forum']; } } $new_pubkey = $ret['pubkey'] ?? ''; if ($uid == 0) { $ret['last-item'] = Probe::getLastUpdate($ret); Logger::info('Fetched last item', ['id' => $id, 'probed_url' => $ret['url'], 'last-item' => $ret['last-item'], 'callstack' => System::callstack(20)]); } $update = false; $guid = ($ret['guid'] ?? '') ?: Item::guidFromUri($ret['url'], parse_url($ret['url'], PHP_URL_HOST)); // 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]) { $update = true; } } if (!empty($ret['last-item']) && ($contact['last-item'] < $ret['last-item'])) { $update = true; } else { unset($ret['last-item']); } if (empty($uriid)) { $update = true; } if (!empty($ret['photo']) && ($ret['network'] != Protocol::FEED)) { self::updateAvatar($id, $ret['photo'], $update); } $uriid = ItemURI::insert(['uri' => $ret['url'], 'guid' => $guid]); if (!$update) { self::updateContact($id, $uid, $contact['url'], $ret['url'], ['failed' => false, 'last-update' => $updated, 'success_update' => $updated]); if (Contact\Relation::isDiscoverable($ret['url'])) { Worker::add(PRIORITY_LOW, 'ContactDiscovery', $ret['url']); } // Update the public contact if ($uid != 0) { $contact = self::getByURL($ret['url'], false, ['id']); if (!empty($contact['id'])) { self::updateFromProbeArray($contact['id'], $ret); } } return true; } $ret['uri-id'] = $uriid; $ret['nurl'] = Strings::normaliseLink($ret['url']); $ret['updated'] = $updated; $ret['failed'] = false; // Only fill the pubkey if it had been empty before. We have to prevent identity theft. if (empty($pubkey) && !empty($new_pubkey)) { $ret['pubkey'] = $new_pubkey; } if ((!empty($ret['addr']) && ($ret['addr'] != $contact['addr'])) || (!empty($ret['alias']) && ($ret['alias'] != $contact['alias']))) { $ret['uri-date'] = $updated; } if ((!empty($ret['name']) && ($ret['name'] != $contact['name'])) || (!empty($ret['nick']) && ($ret['nick'] != $contact['nick']))) { $ret['name-date'] = $updated; } if (($uid == 0) || in_array($ret['network'], [Protocol::DFRN, Protocol::DIASPORA, Protocol::ACTIVITYPUB])) { $ret['last-update'] = $updated; $ret['success_update'] = $updated; } unset($ret['photo']); self::updateContact($id, $uid, $contact['url'], $ret['url'], $ret); if (Contact\Relation::isDiscoverable($ret['url'])) { Worker::add(PRIORITY_LOW, 'ContactDiscovery', $ret['url']); } return true; } private static function updateFromPublicContact(int $id, array $contact) { $public = self::getByURL($contact['url'], false); $fields = []; foreach ($contact as $field => $value) { if ($field == 'uid') { continue; } if ($public[$field] != $value) { $fields[$field] = $public[$field]; } } if (!empty($fields)) { self::update($fields, ['id' => $id, 'self' => false]); Logger::info('Updating local contact', ['id' => $id]); } } /** * @param integer $url contact url * @return integer Contact id * @throws HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function updateFromProbeByURL($url) { $id = self::getIdForURL($url); if (empty($id)) { return $id; } self::updateFromProbe($id); return $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. * * Takes a $uid and a url/handle and adds a new contact * * @param int $uid The user id the contact should be created for * @param string $url The profile URL of the contact * @param string $network * @return array * @throws HTTPException\InternalServerErrorException * @throws HTTPException\NotFoundException * @throws \ImagickException */ public static function createFromProbeForUser(int $uid, $url, $network = '') { $result = ['cid' => -1, 'success' => false, 'message' => '']; // remove ajax junk, e.g. Twitter $url = str_replace('/#!/', '/', $url); if (!Network::isUrlAllowed($url)) { $result['message'] = DI::l10n()->t('Disallowed profile URL.'); return $result; } if (Network::isUrlBlocked($url)) { $result['message'] = DI::l10n()->t('Blocked domain'); return $result; } if (!$url) { $result['message'] = DI::l10n()->t('Connect URL missing.'); return $result; } $arr = ['url' => $url, 'contact' => []]; Hook::callAll('follow', $arr); if (empty($arr)) { $result['message'] = DI::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'])) { $probed = false; $ret = $arr['contact']; } else { $probed = true; $ret = Probe::uri($url, $network, $uid); } if (($network != '') && ($ret['network'] != $network)) { Logger::notice('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' => $uid, 'nurl' => Strings::normaliseLink($ret['url']), 'network' => $ret['network'], 'pending' => false]; $contact = DBA::selectFirst('contact', ['id', 'rel'], $condition); } $protocol = self::getProtocol($ret['url'], $ret['network']); // This extra param just confuses things, remove it if ($protocol === Protocol::DIASPORA) { $ret['url'] = str_replace('?absolute=true', '', $ret['url']); } // do we have enough information? if (empty($protocol) || ($protocol == Protocol::PHANTOM) || (empty($ret['url']) && empty($ret['addr']))) { $result['message'] .= DI::l10n()->t('The profile address specified does not provide adequate information.') . EOL; if (empty($ret['poll'])) { $result['message'] .= DI::l10n()->t('No compatible communication protocols or feeds were discovered.') . EOL; } if (empty($ret['name'])) { $result['message'] .= DI::l10n()->t('An author or name was not found.') . EOL; } if (empty($ret['url'])) { $result['message'] .= DI::l10n()->t('No browser URL could be matched to this address.') . EOL; } if (strpos($ret['url'], '@') !== false) { $result['message'] .= DI::l10n()->t('Unable to match @-style Identity Address with a known protocol or email contact.') . EOL; $result['message'] .= DI::l10n()->t('Use mailto: in front of address to force email check.') . EOL; } return $result; } if ($protocol === Protocol::OSTATUS && DI::config()->get('system', 'ostatus_disabled')) { $result['message'] .= DI::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'] .= DI::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); $pending = false; if (($protocol == Protocol::ACTIVITYPUB) && isset($ret['manually-approve'])) { $pending = (bool)$ret['manually-approve']; } if (in_array($protocol, [Protocol::MAIL, Protocol::DIASPORA, Protocol::ACTIVITYPUB])) { $writeable = 1; } if (DBA::isResult($contact)) { // update contact $new_relation = (in_array($contact['rel'], [self::FOLLOWER, self::FRIEND]) ? self::FRIEND : self::SHARING); $fields = ['rel' => $new_relation, 'subhub' => $subhub, 'readonly' => false]; self::update($fields, ['id' => $contact['id']]); } else { $new_relation = (in_array($protocol, [Protocol::MAIL]) ? self::FRIEND : self::SHARING); // create contact record self::insert([ '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'], 'gsid' => $ret['gsid'] ?? null, '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'] .= DI::l10n()->t('Unable to retrieve contact information.') . EOL; return $result; } $contact_id = $contact['id']; $result['cid'] = $contact_id; Group::addMember(User::getDefaultGroup($uid), $contact_id); // Update the avatar self::updateAvatar($contact_id, $ret['photo']); // pull feed and consume it, which should subscribe to the hub. if ($contact['network'] == Protocol::OSTATUS) { Worker::add(PRIORITY_HIGH, 'OnePoll', $contact_id, 'force'); } if ($probed) { self::updateFromProbeArray($contact_id, $ret); } else { Worker::add(PRIORITY_HIGH, 'UpdateContact', $contact_id); } $result['success'] = Protocol::follow($uid, $contact, $protocol); return $result; } /** * Unfollow a contact * * @param int $cid Public contact id * @param int $uid User ID * * @return bool "true" if unfollowing had been successful */ public static function unfollow(int $cid, int $uid) { $cdata = self::getPublicAndUserContactID($cid, $uid); if (empty($cdata['user'])) { return false; } $contact = self::getById($cdata['user']); self::removeSharer([], $contact); return true; } /** * @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 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; } $url = ($datarray['author-link'] ?? '') ?: $pub_contact['url']; $name = $pub_contact['name']; $photo = ($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($importer['id']) && Contact\User::isBlocked($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)) { self::update(['rel' => self::FRIEND, 'writable' => true, 'pending' => false], ['id' => $contact['id'], 'uid' => $importer['uid']]); } // Ensure to always have the correct network type, independent from the connection request method self::updateFromProbe($contact['id']); Post\UserNotification::insertNotification($contact['id'], Activity::FOLLOW, $importer['uid']); return true; } else { // send email notification to owner? if (DBA::exists('contact', ['nurl' => Strings::normaliseLink($url), 'uid' => $importer['uid'], 'pending' => true])) { Logger::notice('ignoring duplicated connection request from pending contact ' . $url); return null; } // create contact record $contact_id = self::insert([ 'uid' => $importer['uid'], 'created' => DateTimeFormat::utcNow(), 'url' => $url, 'nurl' => Strings::normaliseLink($url), 'name' => $name, 'nick' => $nick, 'network' => $network, 'rel' => self::FOLLOWER, 'blocked' => 0, 'readonly' => 0, 'pending' => 1, 'writable' => 1, ]); // Ensure to always have the correct network type, independent from the connection request method self::updateFromProbe($contact_id); self::updateAvatar($contact_id, $photo, true); Post\UserNotification::insertNotification($contact_id, Activity::FOLLOW, $importer['uid']); $contact_record = DBA::selectFirst('contact', ['id', 'network', 'name', 'url', 'photo'], ['id' => $contact_id]); /// @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($user['page-flags'], [User::PAGE_FLAGS_SOAPBOX, User::PAGE_FLAGS_FREELOVE, User::PAGE_FLAGS_COMMUNITY])) { // create notification if (is_array($contact_record)) { $intro = DI::introFactory()->createNew( $importer['uid'], $contact_record['id'], $note ); DI::intro()->save($intro); } Group::addMember(User::getDefaultGroup($importer['uid']), $contact_record['id']); if (($user['notify-flags'] & Notification\Type::INTRO) && in_array($user['page-flags'], [User::PAGE_FLAGS_NORMAL])) { DI::notify()->createFromArray([ 'type' => Notification\Type::INTRO, 'otype' => Notification\ObjectType::INTRO, 'verb' => ($sharing ? Activity::FRIEND : Activity::FOLLOW), 'uid' => $user['uid'], 'cid' => $contact_record['id'], 'link' => DI::baseUrl() . '/notifications/intros', ]); } } elseif (DBA::isResult($user) && in_array($user['page-flags'], [User::PAGE_FLAGS_SOAPBOX, User::PAGE_FLAGS_FREELOVE, User::PAGE_FLAGS_COMMUNITY])) { if (($user['page-flags'] == User::PAGE_FLAGS_FREELOVE) && ($network != Protocol::DIASPORA)) { self::createFromProbeForUser($importer['uid'], $url, $network); } $condition = ['uid' => $importer['uid'], 'url' => $url, 'pending' => true]; $fields = ['pending' => false]; if ($user['page-flags'] == User::PAGE_FLAGS_FREELOVE) { $fields['rel'] = self::FRIEND; } self::update($fields, $condition); return true; } } return null; } public static function removeFollower(array $contact) { if (in_array($contact['rel'] ?? [], [self::FRIEND, self::SHARING])) { DBA::update('contact', ['rel' => self::SHARING], ['id' => $contact['id']]); } elseif (!empty($contact['id'])) { self::remove($contact['id']); } else { DI::logger()->info('Couldn\'t remove follower because of invalid contact array', ['contact' => $contact, 'callstack' => System::callstack()]); } } public static function removeSharer($importer, $contact) { if (($contact['rel'] == self::FRIEND) || ($contact['rel'] == self::FOLLOWER)) { self::update(['rel' => self::FOLLOWER], ['id' => $contact['id']]); } else { self::remove($contact['id']); } } /** * Create a birthday event. * * Update the year and the birthday. */ public static function updateBirthdays() { $condition = [ '`bd` > ? 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`', DBA::NULL_DATE, self::SHARING, self::FRIEND ]; $contacts = DBA::select('contact', ['id', 'uid', 'name', 'url', 'bd'], $condition); while ($contact = DBA::fetch($contacts)) { Logger::notice('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' => $contact['id']] ); } } DBA::close($contacts); } /** * Remove the unavailable contact ids from the provided list * * @param array $contact_ids Contact id list * @return array * @throws \Exception */ public static function pruneUnavailable(array $contact_ids) { if (empty($contact_ids)) { return []; } $contacts = self::selectToArray(['id'], [ 'id' => $contact_ids, 'blocked' => false, 'pending' => false, 'archive' => false, ]); return array_column($contacts, 'id'); } /** * 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 $url An url that we will be redirected to after the authentication * * @return string with "redir" link * @throws HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function magicLink($contact_url, $url = '') { if (!Session::isAuthenticated()) { return $url ?: $contact_url; // Equivalent to: ($url != '') ? $url : $contact_url; } $contact = self::getByURL($contact_url, false); if (empty($contact)) { return $url ?: $contact_url; // Equivalent to: ($url != '') ? $url : $contact_url; } // Prevents endless loop in case only a non-public contact exists for the contact URL unset($contact['uid']); return self::magicLinkByContact($contact, $url ?: $contact_url); } /** * Returns a magic link to authenticate remote visitors * * @param integer $cid The contact id of the target contact profile * @param string $url An url that we will be redirected to after the authentication * * @return string with "redir" link * @throws HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function magicLinkById($cid, $url = '') { $contact = DBA::selectFirst('contact', ['id', 'network', 'url', 'uid'], ['id' => $cid]); return self::magicLinkByContact($contact, $url); } /** * Returns a magic link to authenticate remote visitors * * @param array $contact The contact array with "uid", "network" and "url" * @param string $url An url that we will be redirected to after the authentication * * @return string with "redir" link * @throws HTTPException\InternalServerErrorException * @throws \ImagickException */ public static function magicLinkByContact($contact, $url = '') { $destination = $url ?: $contact['url']; // Equivalent to ($url != '') ? $url : $contact['url']; if (!Session::isAuthenticated()) { return $destination; } // Only redirections to the same host do make sense if (($url != '') && (parse_url($url, PHP_URL_HOST) != parse_url($contact['url'], PHP_URL_HOST))) { return $url; } if (DI::pConfig()->get(local_user(), 'system', 'stay_local') && ($url == '')) { return 'contact/' . $contact['id'] . '/conversations'; } if (!empty($contact['network']) && $contact['network'] != Protocol::DFRN) { return $destination; } if (empty($contact['id'])) { return $destination; } $redirect = 'redir/' . $contact['id']; if (($url != '') && !Strings::compareLink($contact['url'], $url)) { $redirect .= '?url=' . $url; } return $redirect; } /** * 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; } /** * Search contact table by nick or name * * @param string $search Name or nick * @param string $mode Search mode (e.g. "community") * @param int $uid User ID * * @return array with search results * @throws \Friendica\Network\HTTPException\InternalServerErrorException */ public static function searchByName(string $search, string $mode = '', int $uid = 0) { if (empty($search)) { return []; } // check supported networks $networks = [Protocol::DFRN, Protocol::ACTIVITYPUB]; if (DI::config()->get('system', 'diaspora_enabled')) { $networks[] = Protocol::DIASPORA; } if (!DI::config()->get('system', 'ostatus_disabled')) { $networks[] = Protocol::OSTATUS; } $condition = ['network' => $networks, 'failed' => false, 'deleted' => false, 'uid' => $uid]; if ($uid == 0) { $condition['blocked'] = false; } // check if we search only communities or every contact if ($mode === 'community') { $condition['contact-type'] = self::TYPE_COMMUNITY; } $search .= '%'; $condition = DBA::mergeConditions($condition, ["(NOT `unsearchable` OR `nurl` IN (SELECT `nurl` FROM `owner-view` WHERE `publish` OR `net-publish`)) AND (`addr` LIKE ? OR `name` LIKE ? OR `nick` LIKE ?)", $search, $search, $search]); $contacts = self::selectToArray([], $condition); return $contacts; } /** * Add public contacts from an array * * @param array $urls * @return array result "count", "added" and "updated" */ public static function addByUrls(array $urls) { $added = 0; $updated = 0; $unchanged = 0; $count = 0; foreach ($urls as $url) { if (empty($url) || !is_string($url)) { continue; } $contact = self::getByURL($url, false, ['id', 'updated']); if (empty($contact['id'])) { Worker::add(PRIORITY_LOW, 'AddContact', 0, $url); ++$added; } elseif ($contact['updated'] < DateTimeFormat::utc('now -7 days')) { Worker::add(PRIORITY_LOW, 'UpdateContact', $contact['id']); ++$updated; } else { ++$unchanged; } ++$count; } return ['count' => $count, 'added' => $added, 'updated' => $updated, 'unchanged' => $unchanged]; } /** * Returns a random, global contact array of the current node * * @return array The profile array * @throws Exception */ public static function getRandomContact() { $contact = DBA::selectFirst('contact', ['id', 'network', 'url', 'uid'], [ "`uid` = ? AND `network` = ? AND NOT `failed` AND `last-item` > ?", 0, Protocol::DFRN, DateTimeFormat::utc('now - 1 month'), ], ['order' => ['RAND()']]); if (DBA::isResult($contact)) { return $contact; } return []; } }