X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FProtocol%2FActivityPub%2FTransmitter.php;h=7d33fb2dc54713cdafdcd7a1bbe6713a811764e6;hb=8adc761da0e6012aa0176047812df15adb15c33a;hp=8d1623c098083b87df59c3e9ee481831348a55d1;hpb=13c5bc807bf9c14ce810e661a2274c989ef8f051;p=friendica.git diff --git a/src/Protocol/ActivityPub/Transmitter.php b/src/Protocol/ActivityPub/Transmitter.php index 8d1623c098..7d33fb2dc5 100644 --- a/src/Protocol/ActivityPub/Transmitter.php +++ b/src/Protocol/ActivityPub/Transmitter.php @@ -4,7 +4,11 @@ */ namespace Friendica\Protocol\ActivityPub; +use Friendica\BaseObject; +use Friendica\Content\Feature; use Friendica\Database\DBA; +use Friendica\Core\Config; +use Friendica\Core\Logger; use Friendica\Core\System; use Friendica\Util\HTTPSignature; use Friendica\Core\Protocol; @@ -19,40 +23,36 @@ use Friendica\Content\Text\BBCode; use Friendica\Util\JsonLD; use Friendica\Util\LDSignature; use Friendica\Model\Profile; -use Friendica\Core\Config; use Friendica\Object\Image; use Friendica\Protocol\ActivityPub; use Friendica\Core\Cache; +use Friendica\Util\Map; +use Friendica\Util\Network; + +require_once 'include/api.php'; +require_once 'mod/share.php'; /** * @brief ActivityPub Transmitter Protocol class * * To-Do: - * - * Missing object types: - * - Event - * - * Complicated object types: - * - Announce * - Undo Announce - * - * General: - * - Queueing unsucessful deliveries */ class Transmitter { /** - * @brief collects the lost of followers of the given owner + * collects the lost of followers of the given owner * - * @param array $owner Owner array - * @param integer $page Page number + * @param array $owner Owner array + * @param integer $page Page number * * @return array of owners + * @throws \Friendica\Network\HTTPException\InternalServerErrorException */ public static function getFollowers($owner, $page = null) { $condition = ['rel' => [Contact::FOLLOWER, Contact::FRIEND], 'network' => Protocol::NATIVE_SUPPORT, 'uid' => $owner['uid'], - 'self' => false, 'hidden' => false, 'archive' => false, 'pending' => false]; + 'self' => false, 'deleted' => false, 'hidden' => false, 'archive' => false, 'pending' => false]; $count = DBA::count('contact', $condition); $data = ['@context' => ActivityPub::CONTEXT]; @@ -89,17 +89,18 @@ class Transmitter } /** - * @brief Create list of following contacts + * Create list of following contacts * - * @param array $owner Owner array - * @param integer $page Page numbe + * @param array $owner Owner array + * @param integer $page Page numbe * * @return array of following contacts + * @throws \Friendica\Network\HTTPException\InternalServerErrorException */ public static function getFollowing($owner, $page = null) { $condition = ['rel' => [Contact::SHARING, Contact::FRIEND], 'network' => Protocol::NATIVE_SUPPORT, 'uid' => $owner['uid'], - 'self' => false, 'hidden' => false, 'archive' => false, 'pending' => false]; + 'self' => false, 'deleted' => false, 'hidden' => false, 'archive' => false, 'pending' => false]; $count = DBA::count('contact', $condition); $data = ['@context' => ActivityPub::CONTEXT]; @@ -136,19 +137,21 @@ class Transmitter } /** - * @brief Public posts for the given owner + * Public posts for the given owner * - * @param array $owner Owner array - * @param integer $page Page numbe + * @param array $owner Owner array + * @param integer $page Page numbe * * @return array of posts + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @throws \ImagickException */ public static function getOutbox($owner, $page = null) { $public_contact = Contact::getIdForURL($owner['url'], 0, true); - $condition = ['uid' => $owner['uid'], 'contact-id' => $owner['id'], 'author-id' => $public_contact, - 'wall' => true, 'private' => false, 'gravity' => [GRAVITY_PARENT, GRAVITY_COMMENT], + $condition = ['uid' => 0, 'contact-id' => $public_contact, 'author-id' => $public_contact, + 'private' => false, 'gravity' => [GRAVITY_PARENT, GRAVITY_COMMENT], 'deleted' => false, 'visible' => true]; $count = DBA::count('item', $condition); @@ -188,6 +191,7 @@ class Transmitter * * @param integer $uid User ID * @return array with profile data + * @throws \Friendica\Network\HTTPException\InternalServerErrorException */ public static function getProfile($uid) { @@ -205,12 +209,17 @@ class Transmitter return []; } - $fields = ['name', 'url', 'location', 'about', 'avatar']; + $fields = ['name', 'url', 'location', 'about', 'avatar', 'photo']; $contact = DBA::selectFirst('contact', $fields, ['uid' => $uid, 'self' => true]); if (!DBA::isResult($contact)) { return []; } + // On old installations and never changed contacts this might not be filled + if (empty($contact['avatar'])) { + $contact['avatar'] = $contact['photo']; + } + $data = ['@context' => ActivityPub::CONTEXT]; $data['id'] = $contact['url']; $data['diaspora:guid'] = $user['guid']; @@ -225,7 +234,7 @@ class Transmitter 'vcard:region' => $profile['region'], 'vcard:locality' => $profile['locality']]; $data['summary'] = $contact['about']; $data['url'] = $contact['url']; - $data['manuallyApprovesFollowers'] = in_array($user['page-flags'], [Contact::PAGE_NORMAL, Contact::PAGE_PRVGROUP]); + $data['manuallyApprovesFollowers'] = in_array($user['page-flags'], [User::PAGE_FLAGS_NORMAL, User::PAGE_FLAGS_PRVGROUP]); $data['publicKey'] = ['id' => $contact['url'] . '#main-key', 'owner' => $contact['url'], 'publicKeyPem' => $user['pubkey']]; @@ -238,11 +247,13 @@ class Transmitter } /** - * @brief Returns an array with permissions of a given item array + * Returns an array with permissions of a given item array * * @param array $item * * @return array with permissions + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @throws \ImagickException */ private static function fetchPermissionBlockFromConversation($item) { @@ -280,9 +291,8 @@ class Transmitter foreach ($activity[$element] as $receiver) { if ($receiver == $profile['followers'] && !empty($item_profile['followers'])) { - $receiver = $item_profile['followers']; - } - if (!in_array($receiver, $exclude)) { + $permissions[$element][] = $item_profile['followers']; + } elseif (!in_array($receiver, $exclude)) { $permissions[$element][] = $receiver; } } @@ -291,114 +301,211 @@ class Transmitter } /** - * @brief Creates an array of permissions from an item thread + * Creates an array of permissions from an item thread * - * @param array $item + * @param array $item + * @param boolean $blindcopy + * @param boolean $last_id * * @return array with permission data + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @throws \ImagickException */ - private static function createPermissionBlockForItem($item) + private static function createPermissionBlockForItem($item, $blindcopy, $last_id = 0) { - $data = ['to' => [], 'cc' => []]; + if ($last_id == 0) { + $last_id = $item['id']; + } + + $always_bcc = false; - $data = array_merge($data, self::fetchPermissionBlockFromConversation($item)); + // Check if we should always deliver our stuff via BCC + if (!empty($item['uid'])) { + $profile = Profile::getByUID($item['uid']); + if (!empty($profile)) { + $always_bcc = $profile['hide-friends']; + } + } + + if (Config::get('debug', 'total_ap_delivery')) { + // Will be activated in a later step + $networks = [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS]; + } else { + // For now only send to these contacts: + $networks = [Protocol::ACTIVITYPUB, Protocol::OSTATUS]; + } - $actor_profile = APContact::getByURL($item['author-link']); + $data = ['to' => [], 'cc' => [], 'bcc' => []]; - $terms = Term::tagArrayFromItemId($item['id'], TERM_MENTION); + if ($item['gravity'] == GRAVITY_PARENT) { + $actor_profile = APContact::getByURL($item['owner-link']); + } else { + $actor_profile = APContact::getByURL($item['author-link']); + } - $contacts[$item['author-link']] = $item['author-link']; + $terms = Term::tagArrayFromItemId($item['id'], [Term::MENTION, Term::IMPLICIT_MENTION]); if (!$item['private']) { + $data = array_merge($data, self::fetchPermissionBlockFromConversation($item)); + $data['to'][] = ActivityPub::PUBLIC_COLLECTION; - if (!empty($actor_profile['followers'])) { - $data['cc'][] = $actor_profile['followers']; - } foreach ($terms as $term) { $profile = APContact::getByURL($term['url'], false); - if (!empty($profile) && empty($contacts[$profile['url']])) { - $data['cc'][] = $profile['url']; - $contacts[$profile['url']] = $profile['url']; + if (!empty($profile)) { + $data['to'][] = $profile['url']; } } } else { $receiver_list = Item::enumeratePermissions($item); - $mentioned = []; - foreach ($terms as $term) { $cid = Contact::getIdForURL($term['url'], $item['uid']); if (!empty($cid) && in_array($cid, $receiver_list)) { - $contact = DBA::selectFirst('contact', ['url'], ['id' => $cid, 'network' => Protocol::ACTIVITYPUB]); - $data['to'][] = $contact['url']; - $contacts[$contact['url']] = $contact['url']; + $contact = DBA::selectFirst('contact', ['url'], ['id' => $cid, 'network' => $networks]); + if (DBA::isResult($contact) && !empty($profile = APContact::getByURL($contact['url'], false))) { + $data['to'][] = $profile['url']; + } } } foreach ($receiver_list as $receiver) { - $contact = DBA::selectFirst('contact', ['url'], ['id' => $receiver, 'network' => Protocol::ACTIVITYPUB]); - if (empty($contacts[$contact['url']])) { - $data['cc'][] = $contact['url']; - $contacts[$contact['url']] = $contact['url']; + $contact = DBA::selectFirst('contact', ['url', 'hidden'], ['id' => $receiver, 'network' => $networks]); + if (DBA::isResult($contact) && !empty($profile = APContact::getByURL($contact['url'], false))) { + if ($contact['hidden'] || $always_bcc) { + $data['bcc'][] = $profile['url']; + } else { + $data['cc'][] = $profile['url']; + } } } } - $parents = Item::select(['id', 'author-link', 'owner-link', 'gravity'], ['parent' => $item['parent']]); + $parents = Item::select(['id', 'author-link', 'owner-link', 'gravity', 'uri'], ['parent' => $item['parent']]); while ($parent = Item::fetch($parents)) { + if ($parent['gravity'] == GRAVITY_PARENT) { + $profile = APContact::getByURL($parent['owner-link'], false); + if (!empty($profile)) { + if ($item['gravity'] != GRAVITY_PARENT) { + // Comments to forums are directed to the forum + // But comments to forums aren't directed to the followers collection + if ($profile['type'] == 'Group') { + $data['to'][] = $profile['url']; + } else { + $data['cc'][] = $profile['url']; + if (!$item['private']) { + $data['cc'][] = $actor_profile['followers']; + } + } + } else { + // Public thread parent post always are directed to the followes + if (!$item['private']) { + $data['cc'][] = $actor_profile['followers']; + } + } + } + } + // Don't include data from future posts - if ($parent['id'] >= $item['id']) { + if ($parent['id'] >= $last_id) { continue; } $profile = APContact::getByURL($parent['author-link'], false); - if (!empty($profile) && empty($contacts[$profile['url']])) { - $data['cc'][] = $profile['url']; - $contacts[$profile['url']] = $profile['url']; + if (!empty($profile)) { + if (($profile['type'] == 'Group') || ($parent['uri'] == $item['thr-parent'])) { + $data['to'][] = $profile['url']; + } else { + $data['cc'][] = $profile['url']; + } } + } + DBA::close($parents); - if ($item['gravity'] != GRAVITY_PARENT) { - continue; + $data['to'] = array_unique($data['to']); + $data['cc'] = array_unique($data['cc']); + $data['bcc'] = array_unique($data['bcc']); + + if (($key = array_search($item['author-link'], $data['to'])) !== false) { + unset($data['to'][$key]); + } + + if (($key = array_search($item['author-link'], $data['cc'])) !== false) { + unset($data['cc'][$key]); + } + + if (($key = array_search($item['author-link'], $data['bcc'])) !== false) { + unset($data['bcc'][$key]); + } + + foreach ($data['to'] as $to) { + if (($key = array_search($to, $data['cc'])) !== false) { + unset($data['cc'][$key]); } - $profile = APContact::getByURL($parent['owner-link'], false); - if (!empty($profile) && empty($contacts[$profile['url']])) { - $data['cc'][] = $profile['url']; - $contacts[$profile['url']] = $profile['url']; + if (($key = array_search($to, $data['bcc'])) !== false) { + unset($data['bcc'][$key]); } } - DBA::close($parents); - if (empty($data['to'])) { - $data['to'] = $data['cc']; - $data['cc'] = []; + foreach ($data['cc'] as $cc) { + if (($key = array_search($cc, $data['bcc'])) !== false) { + unset($data['bcc'][$key]); + } } - return $data; + $receivers = ['to' => array_values($data['to']), 'cc' => array_values($data['cc']), 'bcc' => array_values($data['bcc'])]; + + if (!$blindcopy) { + unset($receivers['bcc']); + } + + return $receivers; } /** - * @brief Fetches a list of inboxes of followers of a given user + * Fetches a list of inboxes of followers of a given user * - * @param integer $uid User ID + * @param integer $uid User ID + * @param boolean $personal fetch personal inboxes * * @return array of follower inboxes + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @throws \ImagickException */ - public static function fetchTargetInboxesforUser($uid) + public static function fetchTargetInboxesforUser($uid, $personal = false) { $inboxes = []; - $condition = ['uid' => $uid, 'network' => Protocol::ACTIVITYPUB, 'archive' => false, 'pending' => false]; + if (Config::get('debug', 'total_ap_delivery')) { + // Will be activated in a later step + $networks = [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS]; + } else { + // For now only send to these contacts: + $networks = [Protocol::ACTIVITYPUB, Protocol::OSTATUS]; + } + + $condition = ['uid' => $uid, 'network' => $networks, 'archive' => false, 'pending' => false]; if (!empty($uid)) { $condition['rel'] = [Contact::FOLLOWER, Contact::FRIEND]; } - $contacts = DBA::select('contact', ['notify', 'batch'], $condition); + $contacts = DBA::select('contact', ['url'], $condition); while ($contact = DBA::fetch($contacts)) { - $contact = defaults($contact, 'batch', $contact['notify']); - $inboxes[$contact] = $contact; + if (Network::isUrlBlocked($contact['url'])) { + continue; + } + + $profile = APContact::getByURL($contact['url'], false); + if (!empty($profile)) { + if (empty($profile['sharedinbox']) || $personal) { + $target = $profile['inbox']; + } else { + $target = $profile['sharedinbox']; + } + $inboxes[$target] = $target; + } } DBA::close($contacts); @@ -406,16 +513,20 @@ class Transmitter } /** - * @brief Fetches an array of inboxes for the given item and user + * Fetches an array of inboxes for the given item and user * - * @param array $item - * @param integer $uid User ID + * @param array $item + * @param integer $uid User ID + * @param boolean $personal fetch personal inboxes + * @param integer $last_id Last item id for adding receivers * * @return array with inboxes + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @throws \ImagickException */ - public static function fetchTargetInboxes($item, $uid) + public static function fetchTargetInboxes($item, $uid, $personal = false, $last_id = 0) { - $permissions = self::createPermissionBlockForItem($item); + $permissions = self::createPermissionBlockForItem($item, true, $last_id); if (empty($permissions)) { return []; } @@ -423,9 +534,9 @@ class Transmitter $inboxes = []; if ($item['gravity'] == GRAVITY_ACTIVITY) { - $item_profile = APContact::getByURL($item['author-link']); + $item_profile = APContact::getByURL($item['author-link'], false); } else { - $item_profile = APContact::getByURL($item['owner-link']); + $item_profile = APContact::getByURL($item['owner-link'], false); } foreach (['to', 'cc', 'bto', 'bcc'] as $element) { @@ -433,13 +544,23 @@ class Transmitter continue; } + $blindcopy = in_array($element, ['bto', 'bcc']); + foreach ($permissions[$element] as $receiver) { + if (Network::isUrlBlocked($receiver)) { + continue; + } + if ($receiver == $item_profile['followers']) { - $inboxes = self::fetchTargetInboxesforUser($uid); + $inboxes = array_merge($inboxes, self::fetchTargetInboxesforUser($uid, $personal)); } else { - $profile = APContact::getByURL($receiver); + $profile = APContact::getByURL($receiver, false); if (!empty($profile)) { - $target = defaults($profile, 'sharedinbox', $profile['inbox']); + if (empty($profile['sharedinbox']) || $personal || $blindcopy) { + $target = $profile['inbox']; + } else { + $target = $profile['sharedinbox']; + } $inboxes[$target] = $target; } } @@ -450,15 +571,27 @@ class Transmitter } /** - * @brief Returns the activity type of a given item + * Returns the activity type of a given item * * @param array $item * * @return string with activity type + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @throws \ImagickException */ private static function getTypeOfItem($item) { - if ($item['verb'] == ACTIVITY_POST) { + $reshared = false; + + // Only check for a reshare, if it is a real reshare and no quoted reshare + if (strpos($item['body'], "[share") === 0) { + $announce = api_share_as_retweet($item); + $reshared = !empty($announce['plink']); + } + + if ($reshared) { + $type = 'Announce'; + } elseif ($item['verb'] == ACTIVITY_POST) { if ($item['created'] == $item['edited']) { $type = 'Create'; } else { @@ -474,6 +607,8 @@ class Transmitter $type = 'Reject'; } elseif ($item['verb'] == ACTIVITY_ATTENDMAYBE) { $type = 'TentativeAccept'; + } elseif ($item['verb'] == ACTIVITY_FOLLOW) { + $type = 'Follow'; } else { $type = ''; } @@ -482,33 +617,39 @@ class Transmitter } /** - * @brief Creates the activity or fetches it from the cache + * Creates the activity or fetches it from the cache * * @param integer $item_id + * @param boolean $force Force new cache entry * * @return array with the activity + * @throws \Exception */ - public static function createCachedActivityFromItem($item_id) + public static function createCachedActivityFromItem($item_id, $force = false) { $cachekey = 'APDelivery:createActivity:' . $item_id; - $data = Cache::get($cachekey); - if (!is_null($data)) { - return $data; + + if (!$force) { + $data = Cache::get($cachekey); + if (!is_null($data)) { + return $data; + } } $data = ActivityPub\Transmitter::createActivityFromItem($item_id); - Cache::set($cachekey, $data, CACHE_QUARTER_HOUR); + Cache::set($cachekey, $data, Cache::QUARTER_HOUR); return $data; } /** - * @brief Creates an activity array for a given item id + * Creates an activity array for a given item id * * @param integer $item_id * @param boolean $object_mode Is the activity item is used inside another object? * * @return array of activity + * @throws \Exception */ public static function createActivityFromItem($item_id, $object_mode = false) { @@ -518,16 +659,29 @@ class Transmitter return false; } - $condition = ['item-uri' => $item['uri'], 'protocol' => Conversation::PARCEL_ACTIVITYPUB]; - $conversation = DBA::selectFirst('conversation', ['source'], $condition); - if (DBA::isResult($conversation)) { - $data = json_decode($conversation['source']); - if (!empty($data)) { - return $data; + if ($item['wall']) { + $owner = User::getOwnerDataById($item['uid']); + if (($owner['account-type'] == User::ACCOUNT_TYPE_COMMUNITY) && ($item['author-link'] != $owner['url'])) { + $type = 'Announce'; + + // Disguise forum posts as reshares. Will later be converted to a real announce + $item['body'] = share_header($item['author-name'], $item['author-link'], $item['author-avatar'], + $item['guid'], $item['created'], $item['plink']) . $item['body'] . '[/share]'; } } - $type = self::getTypeOfItem($item); + if (empty($type)) { + $condition = ['item-uri' => $item['uri'], 'protocol' => Conversation::PARCEL_ACTIVITYPUB]; + $conversation = DBA::selectFirst('conversation', ['source'], $condition); + if (DBA::isResult($conversation)) { + $data = json_decode($conversation['source']); + if (!empty($data)) { + return $data; + } + } + + $type = self::getTypeOfItem($item); + } if (!$object_mode) { $data = ['@context' => ActivityPub::CONTEXT]; @@ -547,19 +701,35 @@ class Transmitter $data['published'] = DateTimeFormat::utc($item['created'] . '+00:00', DateTimeFormat::ATOM); - $data = array_merge($data, self::createPermissionBlockForItem($item)); + $data['instrument'] = ['type' => 'Service', 'name' => BaseObject::getApp()->getUserAgent()]; + + $data = array_merge($data, self::createPermissionBlockForItem($item, false)); - if (in_array($data['type'], ['Create', 'Update', 'Announce', 'Delete'])) { + if (in_array($data['type'], ['Create', 'Update', 'Delete'])) { $data['object'] = self::createNote($item); + } elseif ($data['type'] == 'Announce') { + $data = self::createAnnounce($item, $data); + } elseif ($data['type'] == 'Follow') { + $data['object'] = $item['parent-uri']; } elseif ($data['type'] == 'Undo') { $data['object'] = self::createActivityFromItem($item_id, true); } else { + $data['diaspora:guid'] = $item['guid']; + if (!empty($item['signed_text'])) { + $data['diaspora:like'] = $item['signed_text']; + } $data['object'] = $item['thr-parent']; } - $owner = User::getOwnerDataById($item['uid']); + if (!empty($item['contact-uid'])) { + $uid = $item['contact-uid']; + } else { + $uid = $item['uid']; + } - if (!$object_mode) { + $owner = User::getOwnerDataById($uid); + + if (!$object_mode && !empty($owner)) { return LDSignature::sign($data, $owner); } else { return $data; @@ -569,11 +739,13 @@ class Transmitter } /** - * @brief Creates an object array for a given item id + * Creates an object array for a given item id * * @param integer $item_id * * @return array with the object data + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @throws \ImagickException */ public static function createObjectFromItemID($item_id) { @@ -590,21 +762,57 @@ class Transmitter } /** - * @brief Returns a tag array for a given item array + * Creates a location entry for a given item array + * + * @param array $item + * + * @return array with location array + */ + private static function createLocation($item) + { + $location = ['type' => 'Place']; + + if (!empty($item['location'])) { + $location['name'] = $item['location']; + } + + $coord = []; + + if (empty($item['coord'])) { + $coord = Map::getCoordinates($item['location']); + } else { + $coords = explode(' ', $item['coord']); + if (count($coords) == 2) { + $coord = ['lat' => $coords[0], 'lon' => $coords[1]]; + } + } + + if (!empty($coord['lat']) && !empty($coord['lon'])) { + $location['latitude'] = $coord['lat']; + $location['longitude'] = $coord['lon']; + } + + return $location; + } + + /** + * Returns a tag array for a given item array * * @param array $item * * @return array of tags + * @throws \Friendica\Network\HTTPException\InternalServerErrorException */ private static function createTagList($item) { $tags = []; - $terms = Term::tagArrayFromItemId($item['id']); + $terms = Term::tagArrayFromItemId($item['id'], [Term::HASHTAG, Term::MENTION, Term::IMPLICIT_MENTION]); foreach ($terms as $term) { - if ($term['type'] == TERM_HASHTAG) { - $tags[] = ['type' => 'Hashtag', 'href' => $term['url'], 'name' => '#' . $term['term']]; - } elseif ($term['type'] == TERM_MENTION) { + if ($term['type'] == Term::HASHTAG) { + $url = System::baseUrl() . '/search?tag=' . urlencode($term['term']); + $tags[] = ['type' => 'Hashtag', 'href' => $url, 'name' => '#' . $term['term']]; + } elseif ($term['type'] == Term::MENTION || $term['type'] == Term::IMPLICIT_MENTION) { $contact = Contact::getDetailsByURL($term['url']); if (!empty($contact['addr'])) { $mention = '@' . $contact['addr']; @@ -619,12 +827,13 @@ class Transmitter } /** - * @brief Adds attachment data to the JSON document + * Adds attachment data to the JSON document * - * @param array $item Data of the item that is to be posted - * @param text $type Object type + * @param array $item Data of the item that is to be posted + * @param string $type Object type * * @return array with attachment data + * @throws \Friendica\Network\HTTPException\InternalServerErrorException */ private static function createAttachmentList($item, $type) { @@ -674,7 +883,28 @@ class Transmitter } /** - * @brief Remove image elements and replaces them with links to the image + * @brief Callback function to replace a Friendica style mention in a mention that is used on AP + * + * @param array $match Matching values for the callback + * @return string Replaced mention + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + */ + private static function mentionCallback($match) + { + if (empty($match[1])) { + return ''; + } + + $data = Contact::getDetailsByURL($match[1]); + if (empty($data['nick'])) { + return $match[0]; + } + + return '@[url=' . $data['url'] . ']' . $data['nick'] . '[/url]'; + } + + /** + * Remove image elements and replaces them with links to the image * * @param string $body * @@ -692,11 +922,12 @@ class Transmitter } /** - * @brief Fetches the "context" value for a givem item array from the "conversation" table + * Fetches the "context" value for a givem item array from the "conversation" table * * @param array $item * * @return string with context url + * @throws \Exception */ private static function fetchContextURLForItem($item) { @@ -712,11 +943,12 @@ class Transmitter } /** - * @brief Returns if the post contains sensitive content ("nsfw") + * Returns if the post contains sensitive content ("nsfw") * * @param integer $item_id * * @return boolean + * @throws \Exception */ private static function isSensitive($item_id) { @@ -725,15 +957,46 @@ class Transmitter } /** - * @brief Creates a note/article object array + * Creates event data + * + * @param array $item + * + * @return array with the event data + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + */ + public static function createEvent($item) + { + $event = []; + $event['name'] = $item['event-summary']; + $event['content'] = BBCode::convert($item['event-desc'], false, 7); + $event['startTime'] = DateTimeFormat::utc($item['event-start'] . '+00:00', DateTimeFormat::ATOM); + + if (!$item['event-nofinish']) { + $event['endTime'] = DateTimeFormat::utc($item['event-finish'] . '+00:00', DateTimeFormat::ATOM); + } + + if (!empty($item['event-location'])) { + $item['location'] = $item['event-location']; + $event['location'] = self::createLocation($item); + } + + return $event; + } + + /** + * Creates a note/article object array * * @param array $item * * @return array with the object data + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @throws \ImagickException */ public static function createNote($item) { - if (!empty($item['title'])) { + if ($item['event-type'] == 'event') { + $type = 'Event'; + } elseif (!empty($item['title'])) { $type = 'Article'; } else { $type = 'Note'; @@ -768,21 +1031,34 @@ class Transmitter $data['url'] = $item['plink']; $data['attributedTo'] = $item['author-link']; - $data['actor'] = $item['author-link']; $data['sensitive'] = self::isSensitive($item['id']); $data['context'] = self::fetchContextURLForItem($item); if (!empty($item['title'])) { - $data['name'] = BBCode::convert($item['title'], false, 7); + $data['name'] = BBCode::toPlaintext($item['title'], false); } + $permission_block = self::createPermissionBlockForItem($item, false); + $body = $item['body']; + if (empty($item['uid']) || !Feature::isEnabled($item['uid'], 'explicit_mentions')) { + $body = self::prependMentions($body, $permission_block); + } + if ($type == 'Note') { $body = self::removePictures($body); } - $data['content'] = BBCode::convert($body, false, 7); + if ($type == 'Event') { + $data = array_merge($data, self::createEvent($item)); + } else { + $regexp = "/[@!]\[url\=([^\[\]]*)\].*?\[\/url\]/ism"; + $body = preg_replace_callback($regexp, ['self', 'mentionCallback'], $body); + + $data['content'] = BBCode::convert($body, false, 7); + } + $data['source'] = ['content' => $item['body'], 'mediaType' => "text/bbcode"]; if (!empty($item['signed_text']) && ($item['uri'] != $item['thr-parent'])) { @@ -791,168 +1067,397 @@ class Transmitter $data['attachment'] = self::createAttachmentList($item, $type); $data['tag'] = self::createTagList($item); - $data = array_merge($data, self::createPermissionBlockForItem($item)); + + if (empty($data['location']) && (!empty($item['coord']) || !empty($item['location']))) { + $data['location'] = self::createLocation($item); + } + + if (!empty($item['app'])) { + $data['generator'] = ['type' => 'Application', 'name' => $item['app']]; + } + + $data = array_merge($data, $permission_block); return $data; } /** - * @brief Transmits a profile deletion to a given inbox + * Creates an announce object entry * - * @param integer $uid User ID - * @param string $inbox Target inbox + * @param array $item + * @param array $data activity data + * + * @return array with activity data + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @throws \ImagickException + */ + private static function createAnnounce($item, $data) + { + $announce = api_share_as_retweet($item); + if (empty($announce['plink'])) { + $data['type'] = 'Create'; + $data['object'] = self::createNote($item); + return $data; + } + + // Fetch the original id of the object + $activity = ActivityPub::fetchContent($announce['plink'], $item['uid']); + if (!empty($activity)) { + $ldactivity = JsonLD::compact($activity); + $id = JsonLD::fetchElement($ldactivity, '@id'); + if (!empty($id)) { + $data['object'] = $id; + return $data; + } + } + + $data['type'] = 'Create'; + $data['object'] = self::createNote($item); + return $data; + } + + /** + * Creates an activity id for a given contact id + * + * @param integer $cid Contact ID of target + * + * @return bool|string activity id + */ + public static function activityIDFromContact($cid) + { + $contact = DBA::selectFirst('contact', ['uid', 'id', 'created'], ['id' => $cid]); + if (!DBA::isResult($contact)) { + return false; + } + + $hash = hash('ripemd128', $contact['uid'].'-'.$contact['id'].'-'.$contact['created']); + $uuid = substr($hash, 0, 8). '-' . substr($hash, 8, 4) . '-' . substr($hash, 12, 4) . '-' . substr($hash, 16, 4) . '-' . substr($hash, 20, 12); + return System::baseUrl() . '/activity/' . $uuid; + } + + /** + * Transmits a contact suggestion to a given inbox + * + * @param integer $uid User ID + * @param string $inbox Target inbox + * @param integer $suggestion_id Suggestion ID + * + * @return boolean was the transmission successful? + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + */ + public static function sendContactSuggestion($uid, $inbox, $suggestion_id) + { + $owner = User::getOwnerDataById($uid); + + $suggestion = DBA::selectFirst('fsuggest', ['url', 'note', 'created'], ['id' => $suggestion_id]); + + $data = ['@context' => ActivityPub::CONTEXT, + 'id' => System::baseUrl() . '/activity/' . System::createGUID(), + 'type' => 'Announce', + 'actor' => $owner['url'], + 'object' => $suggestion['url'], + 'content' => $suggestion['note'], + 'instrument' => ['type' => 'Service', 'name' => BaseObject::getApp()->getUserAgent()], + 'to' => [ActivityPub::PUBLIC_COLLECTION], + 'cc' => []]; + + $signed = LDSignature::sign($data, $owner); + + Logger::log('Deliver profile deletion for user ' . $uid . ' to ' . $inbox . ' via ActivityPub', Logger::DEBUG); + return HTTPSignature::transmit($signed, $inbox, $uid); + } + + /** + * Transmits a profile relocation to a given inbox + * + * @param integer $uid User ID + * @param string $inbox Target inbox + * + * @return boolean was the transmission successful? + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + */ + public static function sendProfileRelocation($uid, $inbox) + { + $owner = User::getOwnerDataById($uid); + + $data = ['@context' => ActivityPub::CONTEXT, + 'id' => System::baseUrl() . '/activity/' . System::createGUID(), + 'type' => 'dfrn:relocate', + 'actor' => $owner['url'], + 'object' => $owner['url'], + 'published' => DateTimeFormat::utcNow(DateTimeFormat::ATOM), + 'instrument' => ['type' => 'Service', 'name' => BaseObject::getApp()->getUserAgent()], + 'to' => [ActivityPub::PUBLIC_COLLECTION], + 'cc' => []]; + + $signed = LDSignature::sign($data, $owner); + + Logger::log('Deliver profile relocation for user ' . $uid . ' to ' . $inbox . ' via ActivityPub', Logger::DEBUG); + return HTTPSignature::transmit($signed, $inbox, $uid); + } + + /** + * Transmits a profile deletion to a given inbox + * + * @param integer $uid User ID + * @param string $inbox Target inbox + * + * @return boolean was the transmission successful? + * @throws \Friendica\Network\HTTPException\InternalServerErrorException */ public static function sendProfileDeletion($uid, $inbox) { $owner = User::getOwnerDataById($uid); - $profile = APContact::getByURL($owner['url']); - $data = ['@context' => 'https://www.w3.org/ns/activitystreams', + $data = ['@context' => ActivityPub::CONTEXT, 'id' => System::baseUrl() . '/activity/' . System::createGUID(), 'type' => 'Delete', 'actor' => $owner['url'], 'object' => $owner['url'], 'published' => DateTimeFormat::utcNow(DateTimeFormat::ATOM), + 'instrument' => ['type' => 'Service', 'name' => BaseObject::getApp()->getUserAgent()], 'to' => [ActivityPub::PUBLIC_COLLECTION], 'cc' => []]; $signed = LDSignature::sign($data, $owner); - logger('Deliver profile deletion for user ' . $uid . ' to ' . $inbox . ' via ActivityPub', LOGGER_DEBUG); - HTTPSignature::transmit($signed, $inbox, $uid); + Logger::log('Deliver profile deletion for user ' . $uid . ' to ' . $inbox . ' via ActivityPub', Logger::DEBUG); + return HTTPSignature::transmit($signed, $inbox, $uid); } /** - * @brief Transmits a profile change to a given inbox + * Transmits a profile change to a given inbox * - * @param integer $uid User ID - * @param string $inbox Target inbox + * @param integer $uid User ID + * @param string $inbox Target inbox + * + * @return boolean was the transmission successful? + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @throws \ImagickException */ public static function sendProfileUpdate($uid, $inbox) { $owner = User::getOwnerDataById($uid); $profile = APContact::getByURL($owner['url']); - $data = ['@context' => 'https://www.w3.org/ns/activitystreams', + $data = ['@context' => ActivityPub::CONTEXT, 'id' => System::baseUrl() . '/activity/' . System::createGUID(), 'type' => 'Update', 'actor' => $owner['url'], 'object' => self::getProfile($uid), 'published' => DateTimeFormat::utcNow(DateTimeFormat::ATOM), + 'instrument' => ['type' => 'Service', 'name' => BaseObject::getApp()->getUserAgent()], 'to' => [$profile['followers']], 'cc' => []]; $signed = LDSignature::sign($data, $owner); - logger('Deliver profile update for user ' . $uid . ' to ' . $inbox . ' via ActivityPub', LOGGER_DEBUG); - HTTPSignature::transmit($signed, $inbox, $uid); + Logger::log('Deliver profile update for user ' . $uid . ' to ' . $inbox . ' via ActivityPub', Logger::DEBUG); + return HTTPSignature::transmit($signed, $inbox, $uid); } /** - * @brief Transmits a given activity to a target + * Transmits a given activity to a target * - * @param array $activity - * @param string $target Target profile - * @param integer $uid User ID + * @param string $activity Type name + * @param string $target Target profile + * @param integer $uid User ID + * @return bool + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @throws \ImagickException + * @throws \Exception */ - public static function sendActivity($activity, $target, $uid) + public static function sendActivity($activity, $target, $uid, $id = '') { $profile = APContact::getByURL($target); $owner = User::getOwnerDataById($uid); - $data = ['@context' => 'https://www.w3.org/ns/activitystreams', - 'id' => System::baseUrl() . '/activity/' . System::createGUID(), + if (empty($id)) { + $id = System::baseUrl() . '/activity/' . System::createGUID(); + } + + $data = ['@context' => ActivityPub::CONTEXT, + 'id' => $id, 'type' => $activity, 'actor' => $owner['url'], 'object' => $profile['url'], - 'to' => $profile['url']]; + 'instrument' => ['type' => 'Service', 'name' => BaseObject::getApp()->getUserAgent()], + 'to' => [$profile['url']]]; - logger('Sending activity ' . $activity . ' to ' . $target . ' for user ' . $uid, LOGGER_DEBUG); + Logger::log('Sending activity ' . $activity . ' to ' . $target . ' for user ' . $uid, Logger::DEBUG); $signed = LDSignature::sign($data, $owner); - HTTPSignature::transmit($signed, $profile['inbox'], $uid); + return HTTPSignature::transmit($signed, $profile['inbox'], $uid); } /** - * @brief Transmit a message that the contact request had been accepted + * Transmits a "follow object" activity to a target + * This is a preparation for sending automated "follow" requests when receiving "Announce" messages * - * @param string $target Target profile - * @param $id - * @param integer $uid User ID + * @param string $object Object URL + * @param string $target Target profile + * @param integer $uid User ID + * @return bool + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @throws \ImagickException + * @throws \Exception + */ + public static function sendFollowObject($object, $target, $uid = 0) + { + $profile = APContact::getByURL($target); + + if (empty($uid)) { + // Fetch the list of administrators + $admin_mail = explode(',', str_replace(' ', '', Config::get('config', 'admin_email'))); + + // We need to use some user as a sender. It doesn't care who it will send. We will use an administrator account. + $condition = ['verified' => true, 'blocked' => false, 'account_removed' => false, 'account_expired' => false, 'email' => $admin_mail]; + $first_user = DBA::selectFirst('user', ['uid'], $condition); + $uid = $first_user['uid']; + } + + $condition = ['verb' => ACTIVITY_FOLLOW, 'uid' => 0, 'parent-uri' => $object, + 'author-id' => Contact::getPublicIdByUserId($uid)]; + if (Item::exists($condition)) { + Logger::log('Follow for ' . $object . ' for user ' . $uid . ' does already exist.', Logger::DEBUG); + return false; + } + + $owner = User::getOwnerDataById($uid); + + $data = ['@context' => ActivityPub::CONTEXT, + 'id' => System::baseUrl() . '/activity/' . System::createGUID(), + 'type' => 'Follow', + 'actor' => $owner['url'], + 'object' => $object, + 'instrument' => ['type' => 'Service', 'name' => BaseObject::getApp()->getUserAgent()], + 'to' => [$profile['url']]]; + + Logger::log('Sending follow ' . $object . ' to ' . $target . ' for user ' . $uid, Logger::DEBUG); + + $signed = LDSignature::sign($data, $owner); + return HTTPSignature::transmit($signed, $profile['inbox'], $uid); + } + + /** + * Transmit a message that the contact request had been accepted + * + * @param string $target Target profile + * @param $id + * @param integer $uid User ID + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @throws \ImagickException */ public static function sendContactAccept($target, $id, $uid) { $profile = APContact::getByURL($target); $owner = User::getOwnerDataById($uid); - $data = ['@context' => 'https://www.w3.org/ns/activitystreams', + $data = ['@context' => ActivityPub::CONTEXT, 'id' => System::baseUrl() . '/activity/' . System::createGUID(), 'type' => 'Accept', 'actor' => $owner['url'], 'object' => ['id' => $id, 'type' => 'Follow', 'actor' => $profile['url'], 'object' => $owner['url']], - 'to' => $profile['url']]; + 'instrument' => ['type' => 'Service', 'name' => BaseObject::getApp()->getUserAgent()], + 'to' => [$profile['url']]]; - logger('Sending accept to ' . $target . ' for user ' . $uid . ' with id ' . $id, LOGGER_DEBUG); + Logger::log('Sending accept to ' . $target . ' for user ' . $uid . ' with id ' . $id, Logger::DEBUG); $signed = LDSignature::sign($data, $owner); HTTPSignature::transmit($signed, $profile['inbox'], $uid); } /** - * @brief Reject a contact request or terminates the contact relation + * Reject a contact request or terminates the contact relation * - * @param string $target Target profile - * @param $id - * @param integer $uid User ID + * @param string $target Target profile + * @param $id + * @param integer $uid User ID + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @throws \ImagickException */ public static function sendContactReject($target, $id, $uid) { $profile = APContact::getByURL($target); $owner = User::getOwnerDataById($uid); - $data = ['@context' => 'https://www.w3.org/ns/activitystreams', + $data = ['@context' => ActivityPub::CONTEXT, 'id' => System::baseUrl() . '/activity/' . System::createGUID(), 'type' => 'Reject', 'actor' => $owner['url'], 'object' => ['id' => $id, 'type' => 'Follow', 'actor' => $profile['url'], 'object' => $owner['url']], - 'to' => $profile['url']]; + 'instrument' => ['type' => 'Service', 'name' => BaseObject::getApp()->getUserAgent()], + 'to' => [$profile['url']]]; - logger('Sending reject to ' . $target . ' for user ' . $uid . ' with id ' . $id, LOGGER_DEBUG); + Logger::log('Sending reject to ' . $target . ' for user ' . $uid . ' with id ' . $id, Logger::DEBUG); $signed = LDSignature::sign($data, $owner); HTTPSignature::transmit($signed, $profile['inbox'], $uid); } /** - * @brief Transmits a message that we don't want to follow this contact anymore + * Transmits a message that we don't want to follow this contact anymore * - * @param string $target Target profile - * @param integer $uid User ID + * @param string $target Target profile + * @param integer $uid User ID + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @throws \ImagickException + * @throws \Exception */ - public static function sendContactUndo($target, $uid) + public static function sendContactUndo($target, $cid, $uid) { $profile = APContact::getByURL($target); + $object_id = self::activityIDFromContact($cid); + if (empty($object_id)) { + return; + } + $id = System::baseUrl() . '/activity/' . System::createGUID(); $owner = User::getOwnerDataById($uid); - $data = ['@context' => 'https://www.w3.org/ns/activitystreams', + $data = ['@context' => ActivityPub::CONTEXT, 'id' => $id, 'type' => 'Undo', 'actor' => $owner['url'], - 'object' => ['id' => $id, 'type' => 'Follow', + 'object' => ['id' => $object_id, 'type' => 'Follow', 'actor' => $owner['url'], 'object' => $profile['url']], - 'to' => $profile['url']]; + 'instrument' => ['type' => 'Service', 'name' => BaseObject::getApp()->getUserAgent()], + 'to' => [$profile['url']]]; - logger('Sending undo to ' . $target . ' for user ' . $uid . ' with id ' . $id, LOGGER_DEBUG); + Logger::log('Sending undo to ' . $target . ' for user ' . $uid . ' with id ' . $id, Logger::DEBUG); $signed = LDSignature::sign($data, $owner); HTTPSignature::transmit($signed, $profile['inbox'], $uid); } + + private static function prependMentions($body, array $permission_block) + { + if (Config::get('system', 'disable_implicit_mentions')) { + return $body; + } + + $mentions = []; + + foreach ($permission_block['to'] as $profile_url) { + $profile = Contact::getDetailsByURL($profile_url); + if (!empty($profile['addr']) + && $profile['contact-type'] != Contact::TYPE_COMMUNITY + && !strstr($body, $profile['addr']) + && !strstr($body, $profile_url) + ) { + $mentions[] = '@[url=' . $profile_url . ']' . $profile['nick'] . '[/url]'; + } + } + + $mentions[] = $body; + + return implode(' ', $mentions); + } }