use SimpleXMLElement;
/**
- * This class contain functions to create and send Diaspora XML files
+ * This class contains functions to communicate via the Diaspora protocol
+ * @see https://diaspora.github.io/diaspora_federation/
*/
class Diaspora
{
}
$items = Post::select(['author-id', 'author-link', 'parent-author-link', 'parent-guid', 'guid'],
- ['parent' => $item['parent'], 'gravity' => [GRAVITY_COMMENT, GRAVITY_ACTIVITY]]);
+ ['parent' => $item['parent'], 'gravity' => [Item::GRAVITY_COMMENT, Item::GRAVITY_ACTIVITY]]);
while ($item = Post::fetch($items)) {
$contact = DBA::selectFirst('contact', ['id', 'url', 'name', 'protocol', 'batch', 'network'],
['id' => $item['author-id']]);
// Is it a private post? Then decrypt the outer Salmon
if (is_object($data)) {
- $encrypted_aes_key_bundle = base64_decode($data->aes_key);
- $ciphertext = base64_decode($data->encrypted_magic_envelope);
+ try {
+ if (!isset($data->aes_key) || !isset($data->encrypted_magic_envelope)) {
+ Logger::info('Missing keys "aes_key" and/or "encrypted_magic_envelope"', ['data' => $data]);
+ throw new \RuntimeException('Missing keys "aes_key" and/or "encrypted_magic_envelope"');
+ }
- $outer_key_bundle = '';
- @openssl_private_decrypt($encrypted_aes_key_bundle, $outer_key_bundle, $privKey);
- $j_outer_key_bundle = json_decode($outer_key_bundle);
+ $encrypted_aes_key_bundle = base64_decode($data->aes_key);
+ $ciphertext = base64_decode($data->encrypted_magic_envelope);
+
+ $outer_key_bundle = '';
+ @openssl_private_decrypt($encrypted_aes_key_bundle, $outer_key_bundle, $privKey);
+ $j_outer_key_bundle = json_decode($outer_key_bundle);
+
+ if (!is_object($j_outer_key_bundle)) {
+ Logger::info('Unable to decode outer key bundle', ['outer_key_bundle' => $outer_key_bundle]);
+ throw new \RuntimeException('Unable to decode outer key bundle');
+ }
+
+ if (!isset($j_outer_key_bundle->iv) || !isset($j_outer_key_bundle->key)) {
+ Logger::info('Missing keys "iv" and/or "key" from outer Salmon', ['j_outer_key_bundle' => $j_outer_key_bundle]);
+ throw new \RuntimeException('Missing keys "iv" and/or "key" from outer Salmon');
+ }
+
+ $outer_iv = base64_decode($j_outer_key_bundle->iv);
+ $outer_key = base64_decode($j_outer_key_bundle->key);
- if (!is_object($j_outer_key_bundle)) {
+ $xml = self::aesDecrypt($outer_key, $outer_iv, $ciphertext);
+ } catch (\Throwable $e) {
Logger::notice('Outer Salmon did not verify. Discarding.');
if ($no_exit) {
return false;
throw new \Friendica\Network\HTTPException\BadRequestException();
}
}
-
- $outer_iv = base64_decode($j_outer_key_bundle->iv);
- $outer_key = base64_decode($j_outer_key_bundle->key);
-
- $xml = self::aesDecrypt($outer_key, $outer_iv, $ciphertext);
} else {
$xml = $raw;
}
return '';
}
- /**
- * get a handle (user@domain.tld) from a given contact id
- *
- * @param int $contact_id The id in the contact table
- * @param int $pcontact_id The id in the contact table (Used for the public contact)
- *
- * @return string the handle
- * @throws \Exception
- */
- private static function handleFromContact(int $contact_id, int $pcontact_id = 0): string
- {
- $handle = '';
-
- if ($pcontact_id != 0) {
- $contact = Contact::getById($pcontact_id, ['addr']);
- if (DBA::isResult($contact)) {
- $handle = $contact['addr'];
- }
- }
-
- if (empty($handle)) {
- $contact = Contact::getById($contact_id, ['addr']);
- if (DBA::isResult($contact)) {
- $handle = $contact['addr'];
- }
- }
-
- return strtolower($handle);
- }
-
/**
* Get a contact id for a given handle
*
$datarray['uri-id'] = ItemURI::insert(['uri' => $datarray['uri'], 'guid' => $datarray['guid']]);
$datarray['verb'] = Activity::POST;
- $datarray['gravity'] = GRAVITY_COMMENT;
+ $datarray['gravity'] = Item::GRAVITY_COMMENT;
$datarray['thr-parent'] = $thr_parent ?: $toplevel_parent_item['uri'];
$datarray['uri'] = self::getUriFromGuid($author, $guid);
$datarray['verb'] = $verb;
- $datarray['gravity'] = GRAVITY_ACTIVITY;
+ $datarray['gravity'] = Item::GRAVITY_ACTIVITY;
$datarray['thr-parent'] = $toplevel_parent_item['uri'];
$datarray['object-type'] = Activity\ObjectType::NOTE;
$datarray['changed'] = $datarray['created'] = $datarray['edited'] = DateTimeFormat::utcNow();
// like on comments have the comment as parent. So we need to fetch the toplevel parent
- if ($toplevel_parent_item['gravity'] != GRAVITY_PARENT) {
+ if ($toplevel_parent_item['gravity'] != Item::GRAVITY_PARENT) {
$toplevel = Post::selectFirst(['origin'], ['id' => $toplevel_parent_item['parent']]);
$origin = $toplevel['origin'];
} else {
$datarray['uri'] = self::getUriFromGuid($author, $guid);
$datarray['verb'] = Activity::FOLLOW;
- $datarray['gravity'] = GRAVITY_ACTIVITY;
+ $datarray['gravity'] = Item::GRAVITY_ACTIVITY;
$datarray['thr-parent'] = $toplevel_parent_item['uri'];
$datarray['object-type'] = Activity\ObjectType::NOTE;
// Send all existing comments and likes to the requesting server
$comments = Post::select(['id', 'uri-id', 'parent-author-network', 'author-network', 'verb', 'gravity'],
- ['parent' => $toplevel_parent_item['id'], 'gravity' => [GRAVITY_COMMENT, GRAVITY_ACTIVITY]]);
+ ['parent' => $toplevel_parent_item['id'], 'gravity' => [Item::GRAVITY_COMMENT, Item::GRAVITY_ACTIVITY]]);
while ($comment = Post::fetch($comments)) {
- if (($comment['gravity'] == GRAVITY_ACTIVITY) && !in_array($comment['verb'], [Activity::LIKE, Activity::DISLIKE])) {
+ if (($comment['gravity'] == Item::GRAVITY_ACTIVITY) && !in_array($comment['verb'], [Activity::LIKE, Activity::DISLIKE])) {
Logger::info('Unsupported activities are not relayed', ['item' => $comment['id'], 'verb' => $comment['verb']]);
continue;
}
}
Logger::info('Deliver participation', ['item' => $comment['id'], 'contact' => $author_contact['cid']]);
- if (Worker::add(PRIORITY_HIGH, 'Delivery', Delivery::POST, $comment['uri-id'], $author_contact['cid'], $datarray['uid'])) {
+ if (Worker::add(Worker::PRIORITY_HIGH, 'Delivery', Delivery::POST, $comment['uri-id'], $author_contact['cid'], $datarray['uid'])) {
Post\DeliveryData::incrementQueueCount($comment['uri-id'], 1);
}
}
$datarray['thr-parent'] = $parent['uri'];
$datarray['verb'] = $datarray['body'] = Activity::ANNOUNCE;
- $datarray['gravity'] = GRAVITY_ACTIVITY;
+ $datarray['gravity'] = Item::GRAVITY_ACTIVITY;
$datarray['object-type'] = Activity\ObjectType::NOTE;
$datarray['protocol'] = $item['protocol'];
$datarray['uri-id'] = ItemURI::insert(['uri' => $datarray['uri'], 'guid' => $datarray['guid']]);
$datarray['verb'] = Activity::POST;
- $datarray['gravity'] = GRAVITY_PARENT;
+ $datarray['gravity'] = Item::GRAVITY_PARENT;
$datarray['protocol'] = Conversation::PARCEL_DIASPORA;
$datarray['source'] = $xml;
$datarray = self::setDirection($datarray, $direction);
- $datarray['body'] = DI::contentItem()->createSharedPostByGuid($root_guid, $importer['uid'], $original_person['url']);
- $datarray['body'] = Diaspora::replacePeopleGuid($datarray['body'], $datarray['author-link']);
-
- /// @todo Copy tag data from original post
- Tag::storeFromBody($datarray['uri-id'], $datarray['body']);
+ $datarray['quote-uri-id'] = self::getQuoteUriId($root_guid, $importer['uid'], $original_person['url']);
+ if (empty($datarray['quote-uri-id'])) {
+ return false;
+ }
- $datarray['plink'] = self::plink($author, $guid);
+ $datarray['body'] = '';
+ $datarray['plink'] = self::plink($author, $guid);
$datarray['private'] = (($public == 'false') ? Item::PRIVATE : Item::PUBLIC);
$datarray['changed'] = $datarray['created'] = $datarray['edited'] = $created_at;
}
}
+ private static function getQuoteUriId(string $guid, int $uid, string $host): int
+ {
+ $shared_item = Post::selectFirst(['uri-id'], ['guid' => $guid, 'uid' => [$uid, 0], 'private' => [Item::PUBLIC, Item::UNLISTED]]);
+
+ if (!DBA::isResult($shared_item) && !empty($host) && Diaspora::storeByGuid($guid, $host, true)) {
+ Logger::debug('Fetched post', ['guid' => $guid, 'host' => $host, 'uid' => $uid]);
+ $shared_item = Post::selectFirst(['uri-id'], ['guid' => $guid, 'uid' => [$uid, 0], 'private' => [Item::PUBLIC, Item::UNLISTED]]);
+ } elseif (DBA::isResult($shared_item)) {
+ Logger::debug('Found existing post', ['guid' => $guid, 'host' => $host, 'uid' => $uid]);
+ }
+
+ if (!DBA::isResult($shared_item)) {
+ Logger::notice('Post does not exist.', ['guid' => $guid, 'host' => $host, 'uid' => $uid]);
+ return 0;
+ }
+
+ return $shared_item['uri-id'];
+ }
+
/**
* Processes retractions
*
$datarray['owner-id'] = $datarray['author-id'];
$datarray['verb'] = Activity::POST;
- $datarray['gravity'] = GRAVITY_PARENT;
+ $datarray['gravity'] = Item::GRAVITY_PARENT;
$datarray['protocol'] = Conversation::PARCEL_DIASPORA;
$datarray['source'] = $xml;
}
/**
- * Checks a message body if it is a reshare
+ * Fetch reshare details
*
- * @param string $body The message body that is to be check
- * @param bool $complete Should it be a complete check or a simple check?
+ * @param array $item The message body that is to be check
*
- * @return array|bool Reshare details or "false" if no reshare
+ * @return array Reshare details (empty if the item is no reshare)
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
- public static function isReshare(string $body, bool $complete = true)
+ public static function getReshareDetails(array $item): array
{
- $body = trim($body);
-
- $reshared = Item::getShareArray(['body' => $body]);
+ $reshared = DI::contentItem()->getSharedPost($item, ['guid', 'network', 'author-addr']);
if (empty($reshared)) {
- return false;
- }
-
- // Skip if it isn't a pure repeated messages
- // Does it start with a share?
- if (!empty($reshared['comment']) && $complete) {
- return false;
- }
-
- if (!empty($reshared['guid']) && $complete) {
- $condition = ['guid' => $reshared['guid'], 'network' => [Protocol::DFRN, Protocol::DIASPORA]];
- $item = Post::selectFirst(['contact-id'], $condition);
- if (DBA::isResult($item)) {
- $ret = [];
- $ret['root_handle'] = self::handleFromContact($item['contact-id']);
- $ret['root_guid'] = $reshared['guid'];
- return $ret;
- } elseif ($complete) {
- // We are resharing something that isn't a DFRN or Diaspora post.
- // So we have to return "false" on "$complete" to not trigger a reshare.
- return false;
- }
- } elseif (empty($reshared['guid']) && $complete) {
- return false;
- }
-
- $ret = [];
-
- if (!empty($reshared['profile']) && ($cid = Contact::getIdForURL($reshared['profile']))) {
- $contact = DBA::selectFirst('contact', ['addr'], ['id' => $cid]);
- if (!empty($contact['addr'])) {
- $ret['root_handle'] = $contact['addr'];
- }
+ return [];
}
- if (empty($ret) && !$complete) {
- return true;
+ // Skip if it isn't a pure repeated messages or not a real reshare
+ if (!empty($reshared['comment']) || !in_array($reshared['post']['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
+ return [];
}
- return $ret;
+ return [
+ 'root_handle' => strtolower($reshared['post']['author-addr']),
+ 'root_guid' => $reshared['post']['guid'],
+ ];
}
/**
$edited = DateTimeFormat::utc($item['edited'] ?? $item['created'], DateTimeFormat::ATOM);
// Detect a share element and do a reshare
- if (($item['private'] != Item::PRIVATE) && ($ret = self::isReshare($item['body']))) {
+ if (($item['private'] != Item::PRIVATE) && ($ret = self::getReshareDetails($item))) {
$message = [
'author' => $myaddr,
'guid' => $item['guid'],
$type = 'reshare';
} else {
$title = $item['title'];
- $body = Post\Media::addAttachmentsToBody($item['uri-id'], $item['body']);
+ $body = Post\Media::addAttachmentsToBody($item['uri-id'], DI::contentItem()->addSharedPost($item));
// Fetch the title from an attached link - if there is one
if (empty($item['title']) && DI::pConfig()->get($owner['uid'], 'system', 'attach_link_title')) {
}
}
- // @todo Check if this is obsolete and if we are still using different owners. (Possibly a fragment from the forum functionality)
- if ($item['author-link'] != $item['owner-link']) {
- $body = DI::contentItem()->createSharedBlockByArray($item);
- }
-
// convert to markdown
$body = html_entity_decode(BBCode::toMarkdown($body));
$thread_parent_item = Post::selectFirst(['guid', 'author-id', 'author-link', 'gravity'], ['uri' => $item['thr-parent'], 'uid' => $item['uid']]);
}
- $body = Post\Media::addAttachmentsToBody($item['uri-id'], $item['body']);
+ $body = Post\Media::addAttachmentsToBody($item['uri-id'], DI::contentItem()->addSharedPost($item));
// The replied to autor mention is prepended for clarity if:
// - Item replied isn't yours
// - Implicit mentions are enabled
if (
$item['author-id'] != $thread_parent_item['author-id']
- && ($thread_parent_item['gravity'] != GRAVITY_PARENT)
+ && ($thread_parent_item['gravity'] != Item::GRAVITY_PARENT)
&& (empty($item['uid']) || !Feature::isEnabled($item['uid'], 'explicit_mentions'))
&& !DI::config()->get('system', 'disable_implicit_mentions')
) {
Logger::info('Got relayable data ' . $type . ' for item ' . $item['guid'] . ' (' . $item['id'] . ')');
- $msg = json_decode($item['signed_text'], true);
+ $msg = json_decode($item['signed_text'] ?? '', true);
$message = [];
if (is_array($msg)) {
*/
public static function sendRetraction(array $item, array $owner, array $contact, bool $public_batch = false, bool $relay = false): int
{
- $itemaddr = self::handleFromContact($item['contact-id'], $item['author-id']);
+ $itemaddr = strtolower($item['author-addr']);
$msg_type = 'retraction';
- if ($item['gravity'] == GRAVITY_PARENT) {
+ if ($item['gravity'] == Item::GRAVITY_PARENT) {
$target_type = 'Post';
} elseif (in_array($item['verb'], [Activity::LIKE, Activity::DISLIKE])) {
$target_type = 'Like';
return false;
}
- if (($parent_post['gravity'] == GRAVITY_COMMENT) && empty($parent_post['signed_text'])) {
+ if (($parent_post['gravity'] == Item::GRAVITY_COMMENT) && empty($parent_post['signed_text'])) {
Logger::info('Parent comment has got no Diaspora signature.', ['parent-id' => $parent_id]);
return false;
}
- if ($parent_post['gravity'] == GRAVITY_COMMENT) {
+ if ($parent_post['gravity'] == Item::GRAVITY_COMMENT) {
return self::parentSupportDiaspora($parent_post['thr-parent-id']);
}
public static function performReshare(int $UriId, int $uid): int
{
- $post = DI::contentItem()->createSharedPostByUriId($UriId, $uid);
- if (empty($post)) {
- return 0;
- }
-
$owner = User::getOwnerDataById($uid);
$author = Contact::getPublicIdByUserId($uid);
$item = [
- 'uid' => $uid,
- 'verb' => Activity::POST,
- 'contact-id' => $owner['id'],
- 'author-id' => $author,
- 'owner-id' => $author,
- 'body' => $post,
- 'allow_cid' => $owner['allow_cid'] ?? '',
- 'allow_gid' => $owner['allow_gid']?? '',
- 'deny_cid' => $owner['deny_cid'] ?? '',
- 'deny_gid' => $owner['deny_gid'] ?? '',
+ 'uid' => $uid,
+ 'verb' => Activity::POST,
+ 'contact-id' => $owner['id'],
+ 'author-id' => $author,
+ 'owner-id' => $author,
+ 'body' => '',
+ 'quote-uri-id' => $UriId,
+ 'allow_cid' => $owner['allow_cid'] ?? '',
+ 'allow_gid' => $owner['allow_gid']?? '',
+ 'deny_cid' => $owner['deny_cid'] ?? '',
+ 'deny_gid' => $owner['deny_gid'] ?? '',
];
if (!empty($item['allow_cid'] . $item['allow_gid'] . $item['deny_cid'] . $item['deny_gid'])) {