use Friendica\Database\DBA;
use Friendica\Core\System;
-use Friendica\BaseObject;
use Friendica\Util\HTTPSignature;
use Friendica\Core\Protocol;
use Friendica\Model\Conversation;
use Friendica\Content\Text\BBCode;
use Friendica\Util\JsonLD;
use Friendica\Util\LDSignature;
-use Friendica\Protocol\ActivityPub;
use Friendica\Model\Profile;
+use Friendica\Core\Config;
+use Friendica\Object\Image;
+use Friendica\Protocol\ActivityPub;
+use Friendica\Core\Cache;
/**
* @brief ActivityPub Transmitter Protocol class
*
* To-Do:
+ *
+ * Missing object fields:
+ * - service (App)
+ * - location
+ *
+ * Missing object types:
* - Event
*
- * Complicated:
+ * Complicated object types:
* - Announce
* - Undo Announce
*
* General:
- * - Attachments
- * - nsfw (sensitive)
* - 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
}
/**
- * @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
* Return the ActivityPub profile of the given user
*
* @param integer $uid User ID
- * @return profile array
+ * @return array with profile data
*/
- public static function profile($uid)
+ public static function getProfile($uid)
{
$condition = ['uid' => $uid, 'blocked' => false, 'account_expired' => false,
'account_removed' => false, 'verified' => true];
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 $item
*
- * @return permission array
+ * @return array with permission data
*/
private static function createPermissionBlockForItem($item)
{
}
/**
- * @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 $item
*
- * @return activity type
+ * @return string with activity type
*/
private static function getTypeOfItem($item)
{
}
/**
- * @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'];
-
- $data['published'] = DateTimeFormat::utc($item["created"]."+00:00", DateTimeFormat::ATOM);
+ $data['actor'] = $item['owner-link'];
- if ($item["created"] != $item["edited"]) {
- $data['updated'] = DateTimeFormat::utc($item["edited"]."+00:00", DateTimeFormat::ATOM);
- }
-
- $data['context'] = self::fetchContextURLForItem($item);
+ $data['published'] = DateTimeFormat::utc($item['created'] . '+00:00', DateTimeFormat::ATOM);
$data = array_merge($data, self::createPermissionBlockForItem($item));
} elseif ($data['type'] == 'Undo') {
$data['object'] = self::createActivityFromItem($item_id, true);
} else {
+ $data['diaspora:guid'] = $item['guid'];
$data['object'] = $item['thr-parent'];
}
} else {
return $data;
}
+
+ /// @todo Create "conversation" entry
}
/**
- * @brief Creates an object array for a given item id
+ * Creates an object array for a given item id
*
* @param integer $item_id
*
- * @return object array
+ * @return array with the object data
*/
public static function createObjectFromItemID($item_id)
{
}
/**
- * @brief Returns a tag array for a given item array
+ * Returns a tag array for a given item array
*
* @param array $item
*
{
$tags = [];
- $terms = Term::tagArrayFromItemId($item['id'], TERM_MENTION);
+ $terms = Term::tagArrayFromItemId($item['id']);
foreach ($terms as $term) {
- $contact = Contact::getDetailsByURL($term['url']);
- if (!empty($contact['addr'])) {
- $mention = '@' . $contact['addr'];
- } else {
- $mention = '@' . $term['url'];
- }
+ if ($term['type'] == TERM_HASHTAG) {
+ $tags[] = ['type' => 'Hashtag', 'href' => $term['url'], 'name' => '#' . $term['term']];
+ } elseif ($term['type'] == TERM_MENTION) {
+ $contact = Contact::getDetailsByURL($term['url']);
+ if (!empty($contact['addr'])) {
+ $mention = '@' . $contact['addr'];
+ } else {
+ $mention = '@' . $term['url'];
+ }
- $tags[] = ['type' => 'Mention', 'href' => $term['url'], 'name' => $mention];
+ $tags[] = ['type' => 'Mention', 'href' => $term['url'], 'name' => $mention];
+ }
}
return $tags;
}
/**
- * @brief Fetches the "context" value for a givem item array from the "conversation" table
+ * 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 = [];
+
+ $arr = explode('[/attach],', $item['attach']);
+ if (count($arr)) {
+ foreach ($arr as $r) {
+ $matches = false;
+ $cnt = preg_match('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"|', $r, $matches);
+ if ($cnt) {
+ $attributes = ['type' => 'Document',
+ 'mediaType' => $matches[3],
+ 'url' => $matches[1],
+ 'name' => null];
+
+ if (trim($matches[4]) != '') {
+ $attributes['name'] = trim($matches[4]);
+ }
+
+ $attachments[] = $attributes;
+ }
+ }
+ }
+
+ if ($type != 'Note') {
+ return $attachments;
+ }
+
+ // Simplify image codes
+ $body = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $item['body']);
+
+ // 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' => $picture,
+ 'name' => null];
+ }
+ }
+ }
+
+ return $attachments;
+ }
+
+ /**
+ * 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 $item
*
} elseif (DBA::isResult($conversation) && !empty($conversation['conversation-uri'])) {
$context_uri = $conversation['conversation-uri'];
} else {
- $context_uri = str_replace('/objects/', '/context/', $item['parent-uri']);
+ $context_uri = $item['parent-uri'] . '#context';
}
return $context_uri;
}
/**
- * @brief Creates a note/article object array
+ * 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'];
+ return DBA::exists('term', $condition);
+ }
+
+ /**
+ * Creates a note/article object array
*
* @param array $item
*
- * @return object array
+ * @return array with the object data
*/
- private static function createNote($item)
+ public static function createNote($item)
{
if (!empty($item['title'])) {
$type = 'Article';
}
$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'] = false; // - Query NSFW
+ $data['sensitive'] = self::isSensitive($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['diaspora:comment'] = $item['signed_text'];
}
- $data['attachment'] = []; // @ToDo
+ $data['attachment'] = self::createAttachmentList($item, $type);
$data['tag'] = self::createTagList($item);
$data = array_merge($data, self::createPermissionBlockForItem($item));
}
/**
- * @brief Transmits a profile deletion to a given inbox
+ * 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' => $suggestion['note'],
+ 'published' => DateTimeFormat::utc($suggestion['created'] . '+00:00', DateTimeFormat::ATOM),
+ '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
$signed = LDSignature::sign($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
'id' => System::baseUrl() . '/activity/' . System::createGUID(),
'type' => 'Update',
'actor' => $owner['url'],
- 'object' => self::profile($uid),
+ 'object' => self::getProfile($uid),
'published' => DateTimeFormat::utcNow(DateTimeFormat::ATOM),
'to' => [$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
}
/**
- * @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
}
/**
- * @brief
+ * Reject a contact request or terminates the contact relation
*
* @param string $target Target profile
* @param $id
}
/**
- * @brief
+ * Transmits a message that we don't want to follow this contact anymore
*
* @param string $target Target profile
* @param integer $uid User ID