X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FProtocol%2FActivityPub%2FTransmitter.php;h=2291b68e9a2c9acc116ce0130813168938b72478;hb=4392858662214959f649b68f6b2eabe041c98d81;hp=476c63a58f80790623bf0dd05b5688dfbd7a9149;hpb=4472cf22896423a12fbfa75b810c30a4fefca4ab;p=friendica.git

diff --git a/src/Protocol/ActivityPub/Transmitter.php b/src/Protocol/ActivityPub/Transmitter.php
index 476c63a58f..2291b68e9a 100644
--- a/src/Protocol/ActivityPub/Transmitter.php
+++ b/src/Protocol/ActivityPub/Transmitter.php
@@ -4,6 +4,7 @@
  */
 namespace Friendica\Protocol\ActivityPub;
 
+use Friendica\BaseObject;
 use Friendica\Database\DBA;
 use Friendica\Core\System;
 use Friendica\Util\HTTPSignature;
@@ -22,22 +23,21 @@ use Friendica\Model\Profile;
 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 fields:
- * - service (App)
- * - location
- *
  * Missing object types:
  * - Event
  *
  * Complicated object types:
- * - Announce
  * - Undo Announce
  *
  * General:
@@ -151,8 +151,8 @@ class Transmitter
 	{
 		$public_contact = Contact::getIdForURL($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);
 
@@ -308,6 +308,12 @@ class Transmitter
 	 */
 	private static function createPermissionBlockForItem($item)
 	{
+		// Will be activated in a later step
+		// $networks = [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS];
+
+		// For now only send to these contacts:
+		$networks = [Protocol::ACTIVITYPUB, Protocol::OSTATUS];
+
 		$data = ['to' => [], 'cc' => []];
 
 		$data = array_merge($data, self::fetchPermissionBlockFromConversation($item));
@@ -316,8 +322,6 @@ class Transmitter
 
 		$terms = Term::tagArrayFromItemId($item['id'], TERM_MENTION);
 
-		$contacts[$item['author-link']] = $item['author-link'];
-
 		if (!$item['private']) {
 			$data['to'][] = ActivityPub::PUBLIC_COLLECTION;
 			if (!empty($actor_profile['followers'])) {
@@ -326,9 +330,8 @@ class Transmitter
 
 			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'][] = $profile['url'];
 				}
 			}
 		} else {
@@ -339,22 +342,22 @@ class Transmitter
 			foreach ($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'], ['id' => $receiver, 'network' => $networks]);
+				if (DBA::isResult($contact) && !empty($profile = APContact::getByURL($contact['url'], false))) {
+					$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($parents)) {
 			// Don't include data from future posts
 			if ($parent['id'] >= $item['id']) {
@@ -362,9 +365,12 @@ class Transmitter
 			}
 
 			$profile = APContact::getByURL($parent['author-link'], false);
-			if (!empty($profile) && empty($contacts[$profile['url']])) {
-				$data['cc'][] = $profile['url'];
-				$contacts[$profile['url']] = $profile['url'];
+			if (!empty($profile)) {
+				if ($parent['uri'] == $item['thr-parent']) {
+					$data['to'][] = $profile['url'];
+				} else {
+					$data['cc'][] = $profile['url'];
+				}
 			}
 
 			if ($item['gravity'] != GRAVITY_PARENT) {
@@ -372,42 +378,67 @@ class Transmitter
 			}
 
 			$profile = APContact::getByURL($parent['owner-link'], false);
-			if (!empty($profile) && empty($contacts[$profile['url']])) {
+			if (!empty($profile)) {
 				$data['cc'][] = $profile['url'];
-				$contacts[$profile['url']] = $profile['url'];
 			}
 		}
 		DBA::close($parents);
 
-		if (empty($data['to'])) {
-			$data['to'] = $data['cc'];
-			$data['cc'] = [];
+		$data['to'] = array_unique($data['to']);
+		$data['cc'] = array_unique($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'][$key]);
+		}
+
+		foreach ($data['to'] as $to) {
+			if (($key = array_search($to, $data['cc'])) !== false) {
+				unset($data['cc'][$key]);
+			}
+		}
+
+		return ['to' => array_values($data['to']), 'cc' => array_values($data['cc'])];
 	}
 
 	/**
 	 * Fetches a list of inboxes of followers of a given user
 	 *
 	 * @param integer $uid User ID
+	 * @param boolean $personal fetch personal inboxes
 	 *
 	 * @return array of follower inboxes
 	 */
-	public static function fetchTargetInboxesforUser($uid)
+	public static function fetchTargetInboxesforUser($uid, $personal = false)
 	{
 		$inboxes = [];
 
-		$condition = ['uid' => $uid, 'network' => Protocol::ACTIVITYPUB, 'archive' => false, 'pending' => false];
+		// Will be activated in a later step
+		// $networks = [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS];
+
+		// 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;
+			$profile = APContact::getByURL($contact['url'], false);
+			if (!empty($profile)) {
+				if (empty($profile['sharedinbox']) || $personal) {
+					$target = $profile['inbox'];
+				} else {
+					$target = $profile['sharedinbox'];
+				}
+				$inboxes[$target] = $target;
+			}
 		}
 		DBA::close($contacts);
 
@@ -419,10 +450,11 @@ class Transmitter
 	 *
 	 * @param array $item
 	 * @param integer $uid User ID
+	 * @param boolean $personal fetch personal inboxes
 	 *
 	 * @return array with inboxes
 	 */
-	public static function fetchTargetInboxes($item, $uid)
+	public static function fetchTargetInboxes($item, $uid, $personal = false)
 	{
 		$permissions = self::createPermissionBlockForItem($item);
 		if (empty($permissions)) {
@@ -432,9 +464,9 @@ 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) {
@@ -444,11 +476,15 @@ class Transmitter
 
 			foreach ($permissions[$element] as $receiver) {
 				if ($receiver == $item_profile['followers']) {
-					$inboxes = self::fetchTargetInboxesforUser($uid);
+					$inboxes = self::fetchTargetInboxesforUser($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) {
+							$target = $profile['inbox'];
+						} else {
+							$target = $profile['sharedinbox'];
+						}
 						$inboxes[$target] = $target;
 					}
 				}
@@ -467,7 +503,9 @@ class Transmitter
 	 */
 	private static function getTypeOfItem($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 {
@@ -507,7 +545,7 @@ class Transmitter
 
 		$data = ActivityPub\Transmitter::createActivityFromItem($item_id);
 
-		Cache::set($cachekey, $data, CACHE_QUARTER_HOUR);
+		Cache::set($cachekey, $data, Cache::QUARTER_HOUR);
 		return $data;
 	}
 
@@ -556,10 +594,14 @@ class Transmitter
 
 		$data['published'] = DateTimeFormat::utc($item['created'] . '+00:00', DateTimeFormat::ATOM);
 
+		$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 {
@@ -599,6 +641,40 @@ class Transmitter
 		return $data;
 	}
 
+	/**
+	 * 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
 	 *
@@ -683,6 +759,26 @@ class Transmitter
 		return $attachments;
 	}
 
+        /**
+	 * @brief Callback function to replace a Friendica style mention in a mention that is used on AP
+	 *
+	 * @param array $match Matching values for the callback
+	 * @return string Replaced mention
+	 */
+	private static function mentionCallback($match)
+	{
+		if (empty($match[1])) {
+			return;
+		}
+
+		$data = Contact::getDetailsByURL($match[1]);
+		if (empty($data) || empty($data['nick'])) {
+			return;
+		}
+
+		return '@[url=' . $data['url'] . ']' . $data['nick'] . '[/url]';
+	}
+
 	/**
 	 * Remove image elements and replaces them with links to the image
 	 *
@@ -778,7 +874,6 @@ 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);
 
@@ -792,6 +887,9 @@ class Transmitter
 			$body = self::removePictures($body);
 		}
 
+		$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"];
 
@@ -801,11 +899,37 @@ class Transmitter
 
 		$data['attachment'] = self::createAttachmentList($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;
 	}
 
+	/**
+	 * 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
 	 *
@@ -826,7 +950,7 @@ class Transmitter
 			'actor' => $owner['url'],
 			'object' => $suggestion['url'],
 			'content' => $suggestion['note'],
-			'published' => DateTimeFormat::utc($suggestion['created'] . '+00:00', DateTimeFormat::ATOM),
+			'instrument' => ['type' => 'Service', 'name' => BaseObject::getApp()->getUserAgent()],
 			'to' => [ActivityPub::PUBLIC_COLLECTION],
 			'cc' => []];
 
@@ -853,6 +977,7 @@ class Transmitter
 			'actor' => $owner['url'],
 			'object' => $owner['url'],
 			'published' => DateTimeFormat::utcNow(DateTimeFormat::ATOM),
+			'instrument' => ['type' => 'Service', 'name' => BaseObject::getApp()->getUserAgent()],
 			'to' => [ActivityPub::PUBLIC_COLLECTION],
 			'cc' => []];
 
@@ -879,6 +1004,7 @@ class Transmitter
 			'actor' => $owner['url'],
 			'object' => self::getProfile($uid),
 			'published' => DateTimeFormat::utcNow(DateTimeFormat::ATOM),
+			'instrument' => ['type' => 'Service', 'name' => BaseObject::getApp()->getUserAgent()],
 			'to' => [$profile['followers']],
 			'cc' => []];
 
@@ -906,6 +1032,7 @@ class Transmitter
 			'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);
@@ -933,6 +1060,7 @@ class Transmitter
 			'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);
@@ -960,6 +1088,7 @@ class Transmitter
 			'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);
@@ -988,6 +1117,7 @@ class Transmitter
 			'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);