*/
namespace Friendica\Protocol\ActivityPub;
+use Friendica\BaseObject;
use Friendica\Database\DBA;
use Friendica\Core\System;
use Friendica\Util\HTTPSignature;
use Friendica\Core\Config;
use Friendica\Object\Image;
use Friendica\Protocol\ActivityPub;
+use Friendica\Protocol\Diaspora;
+use Friendica\Core\Cache;
+use Friendica\Util\Map;
+
+require_once 'include/api.php';
/**
* @brief ActivityPub Transmitter Protocol class
*
* To-Do:
+ *
+ * Missing object types:
* - Event
*
- * Complicated:
- * - Announce
+ * Complicated object types:
* - Undo Announce
*
* General:
* - Queueing unsucessful deliveries
- * - Type "note": Remove inline images and add them as attachments
- * - Type "article": Leave imaged embedded and don't add them as attachments
*/
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
}
/**
- * @brief Create list of following contacts
+ * Create list of following contacts
*
* @param array $owner Owner array
* @param integer $page Page numbe
}
/**
- * @brief Public posts for the given owner
+ * Public posts for the given owner
*
* @param array $owner Owner array
* @param integer $page Page numbe
{
$public_contact = Contact::getIdForURL($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);
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'];
}
/**
- * @brief Returns an array with permissions of a given item array
+ * Returns an array with permissions of a given item array
*
* @param array $item
*
}
/**
- * @brief Creates an array of permissions from an item thread
+ * Creates an array of permissions from an item thread
*
* @param array $item
*
foreach ($terms as $term) {
$profile = APContact::getByURL($term['url'], false);
if (!empty($profile) && empty($contacts[$profile['url']])) {
- $data['cc'][] = $profile['url'];
+ $data['to'][] = $profile['url'];
$contacts[$profile['url']] = $profile['url'];
+
+ if (($key = array_search($profile['url'], $data['cc'])) !== false) {
+ unset($data['cc'][$key]);
+ }
}
}
} else {
$contact = DBA::selectFirst('contact', ['url'], ['id' => $cid, 'network' => Protocol::ACTIVITYPUB]);
$data['to'][] = $contact['url'];
$contacts[$contact['url']] = $contact['url'];
+
+ if (($key = array_search($profile['url'], $data['cc'])) !== false) {
+ unset($data['cc'][$key]);
+ }
}
}
foreach ($receiver_list as $receiver) {
$contact = DBA::selectFirst('contact', ['url'], ['id' => $receiver, 'network' => Protocol::ACTIVITYPUB]);
- if (empty($contacts[$contact['url']])) {
+ if (DBA::isResult($contact) && empty($contacts[$contact['url']])) {
$data['cc'][] = $contact['url'];
$contacts[$contact['url']] = $contact['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($parents)) {
// Don't include data from future posts
if ($parent['id'] >= $item['id']) {
}
$profile = APContact::getByURL($parent['author-link'], false);
+ if (!empty($profile) && ($parent['uri'] == $item['thr-parent'])) {
+ $data['to'][] = $profile['url'];
+ $contacts[$profile['url']] = $profile['url'];
+
+ if (($key = array_search($profile['url'], $data['cc'])) !== false) {
+ unset($data['cc'][$key]);
+ }
+ }
+
if (!empty($profile) && empty($contacts[$profile['url']])) {
$data['cc'][] = $profile['url'];
$contacts[$profile['url']] = $profile['url'];
}
DBA::close($parents);
- if (empty($data['to'])) {
- $data['to'] = $data['cc'];
- $data['cc'] = [];
+ if (($key = array_search($item['author-link'], $data['to'])) !== false) {
+ unset($data['to'][$key]);
}
- return $data;
+ if (($key = array_search($item['author-link'], $data['cc'])) !== false) {
+ unset($data['cc'][$key]);
+ }
+
+ return ['to' => array_values(array_unique($data['to'])), 'cc' => array_values(array_unique($data['cc']))];
}
/**
- * @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
*
}
/**
- * @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
}
/**
- * @brief Returns the activity type of a given item
+ * Returns the activity type of a given item
*
* @param array $item
*
*/
private static function getTypeOfItem($item)
{
- if ($item['verb'] == ACTIVITY_POST) {
+ if (!empty(Diaspora::isReshare($item['body'], false))) {
+ $type = 'Announce';
+ } elseif ($item['verb'] == ACTIVITY_POST) {
if ($item['created'] == $item['edited']) {
$type = 'Create';
} else {
}
/**
- * @brief Creates an activity array for a given item id
+ * Creates the activity or fetches it from the cache
+ *
+ * @param integer $item_id
+ *
+ * @return array with the activity
+ */
+ public static function createCachedActivityFromItem($item_id)
+ {
+ $cachekey = 'APDelivery:createActivity:' . $item_id;
+ $data = Cache::get($cachekey);
+ if (!is_null($data)) {
+ return $data;
+ }
+
+ $data = ActivityPub\Transmitter::createActivityFromItem($item_id);
+
+ Cache::set($cachekey, $data, CACHE_QUARTER_HOUR);
+ return $data;
+ }
+
+ /**
+ * 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?
$data['id'] = $item['uri'] . '#' . $type;
$data['type'] = $type;
- $data['actor'] = $item['author-link'];
+ $data['actor'] = $item['owner-link'];
- $data['published'] = DateTimeFormat::utc($item["created"]."+00:00", DateTimeFormat::ATOM);
+ $data['published'] = DateTimeFormat::utc($item['created'] . '+00:00', DateTimeFormat::ATOM);
- if ($item["created"] != $item["edited"]) {
- $data['updated'] = DateTimeFormat::utc($item["edited"]."+00:00", DateTimeFormat::ATOM);
- }
-
- $data['context'] = self::fetchContextURLForItem($item);
+ $data['instrument'] = ['type' => 'Service', 'name' => BaseObject::getApp()->getUserAgent()];
$data = array_merge($data, self::createPermissionBlockForItem($item));
- if (in_array($data['type'], ['Create', 'Update', 'Announce', 'Delete'])) {
+ if (in_array($data['type'], ['Create', 'Update', 'Delete'])) {
$data['object'] = self::createNote($item);
+ } elseif ($data['type'] == 'Announce') {
+ $data['object'] = self::createAnnounce($item);
} elseif ($data['type'] == 'Undo') {
$data['object'] = self::createActivityFromItem($item_id, true);
} else {
+ $data['diaspora:guid'] = $item['guid'];
$data['object'] = $item['thr-parent'];
}
}
/**
- * @brief Creates an object array for a given item id
+ * Creates an object array for a given item id
*
* @param integer $item_id
*
}
/**
- * @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
*
}
/**
- * @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 $type Object type
+ *
* @return array with attachment data
*/
-
private static function createAttachmentList($item, $type)
{
$attachments = [];
return $attachments;
}
- /// @todo Replace this with a function that takes all pictures from the post
- $siteinfo = BBCode::getAttachedData($item['body']);
+ // Simplify image codes
+ $body = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $item['body']);
- if (!empty($siteinfo['image']) &&
- (($siteinfo['type'] == 'photo') ||
- !Config::get('system', 'ostatus_not_attach_preview'))) {
- $imgdata = Image::getInfoFromURL($siteinfo['image']);
+ // Grab all pictures and create attachments out of them
+ if (preg_match_all("/\[img\]([^\[\]]*)\[\/img\]/Usi", $body, $pictures)) {
+ foreach ($pictures[1] as $picture) {
+ $imgdata = Image::getInfoFromURL($picture);
if ($imgdata) {
$attachments[] = ['type' => 'Document',
- 'mediaType' => $imgdata['mime'],
- 'url' => $siteinfo['image'],
- 'name' => null];
+ 'mediaType' => $imgdata['mime'],
+ 'url' => $picture,
+ 'name' => null];
}
+ }
}
return $attachments;
}
/**
- * @brief Fetches the "context" value for a givem item array from the "conversation" table
+ * Remove image elements and replaces them with links to the image
+ *
+ * @param string $body
+ *
+ * @return string with replaced elements
+ */
+ private static function removePictures($body)
+ {
+ // Simplify image codes
+ $body = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $body);
+
+ $body = preg_replace("/\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]/Usi", '[url]$1[/url]', $body);
+ $body = preg_replace("/\[img\]([^\[\]]*)\[\/img\]/Usi", '[url]$1[/url]', $body);
+
+ return $body;
+ }
+
+ /**
+ * Fetches the "context" value for a givem item array from the "conversation" table
*
* @param array $item
*
return $context_uri;
}
+ /**
+ * Returns if the post contains sensitive content ("nsfw")
+ *
+ * @param integer $item_id
+ *
+ * @return boolean
+ */
private static function isSensitive($item_id)
{
$condition = ['otype' => TERM_OBJ_POST, 'oid' => $item_id, 'type' => TERM_HASHTAG, 'term' => 'nsfw'];
}
/**
- * @brief Creates a note/article object array
+ * Creates a note/article object array
*
* @param array $item
*
}
$data['diaspora:guid'] = $item['guid'];
- $data['published'] = DateTimeFormat::utc($item["created"]."+00:00", DateTimeFormat::ATOM);
+ $data['published'] = DateTimeFormat::utc($item['created'] . '+00:00', DateTimeFormat::ATOM);
- if ($item["created"] != $item["edited"]) {
- $data['updated'] = DateTimeFormat::utc($item["edited"]."+00:00", DateTimeFormat::ATOM);
+ if ($item['created'] != $item['edited']) {
+ $data['updated'] = DateTimeFormat::utc($item['edited'] . '+00:00', DateTimeFormat::ATOM);
}
$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);
}
- $data['content'] = BBCode::convert($item['body'], false, 7);
+ $body = $item['body'];
+
+ if ($type == 'Note') {
+ $body = self::removePictures($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'])) {
$data['attachment'] = self::createAttachmentList($item, $type);
$data['tag'] = self::createTagList($item);
+
+ if (!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, self::createPermissionBlockForItem($item));
return $data;
}
/**
- * @brief Transmits a profile deletion to a given inbox
+ * Creates an announce object entry
+ *
+ * @param array $item
+ *
+ * @return string with announced object url
+ */
+ public static function createAnnounce($item)
+ {
+ $announce = api_share_as_retweet($item);
+ if (empty($announce['plink'])) {
+ return self::createNote($item);
+ }
+
+ return $announce['plink'];
+ }
+
+ /**
+ * Transmits a contact suggestion to a given inbox
+ *
+ * @param integer $uid User ID
+ * @param string $inbox Target inbox
+ * @param integer $suggestion_id Suggestion ID
+ */
+ public static function sendContactSuggestion($uid, $inbox, $suggestion_id)
+ {
+ $owner = User::getOwnerDataById($uid);
+ $profile = APContact::getByURL($owner['url']);
+
+ $suggestion = DBA::selectFirst('fsuggest', ['url', 'note', 'created'], ['id' => $suggestion_id]);
+
+ $data = ['@context' => 'https://www.w3.org/ns/activitystreams',
+ '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('Deliver profile deletion for user ' . $uid . ' to ' . $inbox . ' via ActivityPub', LOGGER_DEBUG);
+ HTTPSignature::transmit($signed, $inbox, $uid);
+ }
+
+ /**
+ * Transmits a profile deletion to a given inbox
*
* @param integer $uid User ID
* @param string $inbox Target inbox
'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);
+ logger('Deliver profile deletion for user ' . $uid . ' to ' . $inbox . ' via ActivityPub', LOGGER_DEBUG);
HTTPSignature::transmit($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
'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);
+ logger('Deliver profile update for user ' . $uid . ' to ' . $inbox . ' via ActivityPub', LOGGER_DEBUG);
HTTPSignature::transmit($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
'type' => $activity,
'actor' => $owner['url'],
'object' => $profile['url'],
+ 'instrument' => ['type' => 'Service', 'name' => BaseObject::getApp()->getUserAgent()],
'to' => $profile['url']];
logger('Sending activity ' . $activity . ' to ' . $target . ' for user ' . $uid, LOGGER_DEBUG);
}
/**
- * @brief Transmit a message that the contact request had been accepted
+ * Transmit a message that the contact request had been accepted
*
* @param string $target Target profile
* @param $id
'object' => ['id' => $id, 'type' => 'Follow',
'actor' => $profile['url'],
'object' => $owner['url']],
+ 'instrument' => ['type' => 'Service', 'name' => BaseObject::getApp()->getUserAgent()],
'to' => $profile['url']];
logger('Sending accept to ' . $target . ' for user ' . $uid . ' with id ' . $id, LOGGER_DEBUG);
}
/**
- * @brief
+ * Reject a contact request or terminates the contact relation
*
* @param string $target Target profile
* @param $id
'object' => ['id' => $id, 'type' => 'Follow',
'actor' => $profile['url'],
'object' => $owner['url']],
+ 'instrument' => ['type' => 'Service', 'name' => BaseObject::getApp()->getUserAgent()],
'to' => $profile['url']];
logger('Sending reject to ' . $target . ' for user ' . $uid . ' with id ' . $id, LOGGER_DEBUG);
}
/**
- * @brief
+ * Transmits a message that we don't want to follow this contact anymore
*
* @param string $target Target profile
* @param integer $uid User ID
'object' => ['id' => $id, 'type' => 'Follow',
'actor' => $owner['url'],
'object' => $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);