X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Fdiaspora.php;h=ce3d4ef00db1a817414fabff3a610cc51a4fd1cd;hb=ea8cfed6a931913006cefbac22bc1e91b7e71580;hp=14ff6e42f8931c67ce997d647a400d76f2c89026;hpb=e74587b37576df113e05a56bc7a4d29f736a4fb5;p=friendica.git diff --git a/include/diaspora.php b/include/diaspora.php index 14ff6e42f8..ce3d4ef00d 100644 --- a/include/diaspora.php +++ b/include/diaspora.php @@ -110,13 +110,15 @@ class diaspora { /** * @brief repairs a signature that was double encoded * + * The function is unused at the moment. It was copied from the old implementation. + * * @param string $signature The signature * @param string $handle The handle of the signature owner * @param integer $level This value is only set inside this function to avoid endless loops * - * @return the repaired signature + * @return string the repaired signature */ - function repair_signature($signature, $handle = "", $level = 1) { + private function repair_signature($signature, $handle = "", $level = 1) { if ($signature == "") return ($signature); @@ -144,7 +146,7 @@ class diaspora { * 'author' -> author diaspora handle * 'key' -> author public key (converted to pkcs#8) */ - function decode($importer, $xml) { + public static function decode($importer, $xml) { $public = false; $basedom = parse_xml_string($xml); @@ -177,16 +179,6 @@ class diaspora { $decrypted = pkcs5_unpad($decrypted); - /** - * $decrypted now contains something like - * - * - * 8e+G2+ET8l5BPuW0sVTnQw== - * UvSMb4puPeB14STkcDWq+4QE302Edu15oaprAQSkLKU= - * galaxor@diaspora.priateship.org - * - */ - logger('decrypted: '.$decrypted, LOGGER_DEBUG); $idom = parse_xml_string($decrypted,false); @@ -285,7 +277,7 @@ class diaspora { * * @param array $msg The post that will be dispatched * - * @return bool Was the message accepted? + * @return int The message id of the generated message, "true" or "false" if there was an error */ public static function dispatch_public($msg) { @@ -297,7 +289,7 @@ class diaspora { // Use a dummy importer to import the data for the public copy $importer = array("uid" => 0, "page-flags" => PAGE_FREELOVE); - $item_id = self::dispatch($importer,$msg); + $message_id = self::dispatch($importer,$msg); // Now distribute it to the followers $r = q("SELECT `user`.* FROM `user` WHERE `user`.`uid` IN @@ -314,7 +306,7 @@ class diaspora { } else logger("No subscribers for ".$msg["author"]." ".print_r($msg, true)); - return $item_id; + return $message_id; } /** @@ -323,7 +315,7 @@ class diaspora { * @param array $importer Array of the importer user * @param array $msg The post that will be dispatched * - * @return bool Was the message accepted? + * @return int The message id of the generated message, "true" or "false" if there was an error */ public static function dispatch($importer, $msg) { @@ -347,6 +339,9 @@ class diaspora { case "comment": return self::receive_comment($importer, $sender, $fields, $msg["message"]); + case "contact": + return self::receive_contact_request($importer, $fields); + case "conversation": return self::receive_conversation($importer, $msg, $fields); @@ -368,9 +363,6 @@ class diaspora { case "profile": return self::receive_profile($importer, $fields); - case "request": - return self::receive_request($importer, $fields); - case "reshare": return self::receive_reshare($importer, $fields, $msg["message"]); @@ -426,6 +418,9 @@ class diaspora { if (in_array($type, array("signed_retraction", "relayable_retraction"))) $type = "retraction"; + if ($type == "request") + $type = "contact"; + $fields = new SimpleXMLElement("<".$type."/>"); $signed_data = ""; @@ -655,7 +650,7 @@ class diaspora { if($contact['addr'] != "") $handle = $contact['addr']; - elseif(($contact['network'] === NETWORK_DFRN) || ($contact['self'] == 1)) { + else { $baseurl_start = strpos($contact['url'],'://') + 3; $baseurl_length = strpos($contact['url'],'/profile') - $baseurl_start; // allows installations in a subdirectory--not sure how Diaspora will handle $baseurl = substr($contact['url'], $baseurl_start, $baseurl_length); @@ -742,7 +737,7 @@ class diaspora { * @param string $handle The checked handle in the format user@domain.tld * @param bool $is_comment Is the check for a comment? * - * @return bool is posting allowed? + * @return array The contact data */ private function allowed_contact_by_handle($importer, $handle, $is_comment = false) { $contact = self::contact_by_handle($importer["uid"], $handle); @@ -764,7 +759,7 @@ class diaspora { * @param int $uid The user id * @param string $guid The guid of the message * - * @return bool "true" if the message already was stored into the system + * @return int|bool message id if the message already was stored into the system - or false. */ private function message_exists($uid, $guid) { $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1", @@ -774,7 +769,7 @@ class diaspora { if($r) { logger("message ".$guid." already exists for user ".$uid); - return true; + return $r[0]["id"]; } return false; @@ -793,7 +788,7 @@ class diaspora { } /** - * @brief sub function of "fetch_guid" + * @brief sub function of "fetch_guid" which checks for links in messages * * @param array $match array containing a link that has to be checked for a message link * @param array $item The item array @@ -836,7 +831,10 @@ class diaspora { * @param string $server The url of the server * @param int $level Endless loop prevention * - * @return array of message, author and public key + * @return array + * 'message' => The message XML + * 'author' => The author handle + * 'key' => The public key of the author */ private function message($guid, $server, $level = 0) { @@ -887,7 +885,7 @@ class diaspora { * @param int $uid The user id * @param string $guid message guid * @param string $author The handle of the item - * @param array $contact The contact that is checked + * @param array $contact The contact of the item owner * * @return array the item record */ @@ -933,7 +931,9 @@ class diaspora { * @param array $person The record of the person * @param int $uid The user id * - * @return array of contact id and network type + * @return array + * 'cid' => contact id + * 'network' => network type */ private function author_contact_by_url($contact, $person, $uid) { @@ -992,14 +992,17 @@ class diaspora { } /** - * @brief + * @brief Processes an account deletion * * @param array $importer Array of the importer user * @param object $data The message object * - * @return + * @return bool Success */ private function receive_account_deletion($importer, $data) { + + /// @todo Account deletion should remove the contact from the global contacts as well + $author = notags(unxmlify($data->author)); $contact = self::contact_by_handle($importer["uid"], $author); @@ -1014,7 +1017,7 @@ class diaspora { } /** - * @brief + * @brief Processes an incoming comment * * @param array $importer Array of the importer user * @param string $sender The sender of the message @@ -1033,8 +1036,9 @@ class diaspora { if (!$contact) return false; - if (self::message_exists($importer["uid"], $guid)) - return false; + $message_id = self::message_exists($importer["uid"], $guid); + if ($message_id) + return $message_id; $parent_item = self::parent_item($importer["uid"], $parent_guid, $author, $contact); if (!$parent_item) @@ -1104,7 +1108,7 @@ class diaspora { * @brief processes and stores private messages * * @param array $importer Array of the importer user - * @param array $contact The contact that is checked + * @param array $contact The contact of the message * @param object $data The message object * @param array $msg Array of the processed message, author handle and key * @param object $mesg The private message @@ -1230,13 +1234,13 @@ class diaspora { } /** - * @brief + * @brief Processes new private messages (answers to private messages are processed elsewhere) * * @param array $importer Array of the importer user * @param array $msg Array of the processed message, author handle and key * @param object $data The message object * - * @return + * @return bool Success */ private function receive_conversation($importer, $msg, $data) { $guid = notags(unxmlify($data->guid)); @@ -1296,13 +1300,13 @@ class diaspora { } /** - * @brief + * @brief Creates the body for a "like" message * - * @param array $contact The contact that is checked - * @param $parent_item + * @param array $contact The contact that send us the "like" + * @param array $parent_item The item array of the parent item * @param string $guid message guid * - * @return + * @return string the body */ private function construct_like_body($contact, $parent_item, $guid) { $bodyverb = t('%1$s likes %2$s\'s %3$s'); @@ -1315,12 +1319,12 @@ class diaspora { } /** - * @brief + * @brief Creates a XML object for a "like" * * @param array $importer Array of the importer user - * @param $parent_item + * @param array $parent_item The item array of the parent item * - * @return + * @return string The XML */ private function construct_like_object($importer, $parent_item) { $objtype = ACTIVITY_OBJ_NOTE; @@ -1338,7 +1342,7 @@ class diaspora { } /** - * @brief + * @brief Processes "like" messages * * @param array $importer Array of the importer user * @param string $sender The sender of the message @@ -1362,8 +1366,9 @@ class diaspora { if (!$contact) return false; - if (self::message_exists($importer["uid"], $guid)) - return false; + $message_id = self::message_exists($importer["uid"], $guid); + if ($message_id) + return $message_id; $parent_item = self::parent_item($importer["uid"], $parent_guid, $author, $contact); if (!$parent_item) @@ -1380,7 +1385,7 @@ class diaspora { // "positive" = "false" would be a Dislike - wich isn't currently supported by Diaspora // We would accept this anyhow. - if ($positive === "true") + if ($positive == "true") $verb = ACTIVITY_LIKE; else $verb = ACTIVITY_DISLIKE; @@ -1435,12 +1440,12 @@ class diaspora { } /** - * @brief + * @brief Processes private messages * * @param array $importer Array of the importer user * @param object $data The message object * - * @return + * @return bool Success? */ private function receive_message($importer, $data) { $guid = notags(unxmlify($data->guid)); @@ -1514,7 +1519,7 @@ class diaspora { } /** - * @brief + * @brief Processes participations - unsupported by now * * @param array $importer Array of the importer user * @param object $data The message object @@ -1527,12 +1532,12 @@ class diaspora { } /** - * @brief + * @brief Processes photos - unneeded * * @param array $importer Array of the importer user * @param object $data The message object * - * @return + * @return bool always true */ private function receive_photo($importer, $data) { // There doesn't seem to be a reason for this function, since the photo data is transmitted in the status message as well @@ -1540,12 +1545,12 @@ class diaspora { } /** - * @brief + * @brief Processes poll participations - unssupported * * @param array $importer Array of the importer user * @param object $data The message object * - * @return + * @return bool always true */ private function receive_poll_participation($importer, $data) { // We don't support polls by now @@ -1553,12 +1558,12 @@ class diaspora { } /** - * @brief + * @brief Processes incoming profile updates * * @param array $importer Array of the importer user * @param object $data The message object * - * @return + * @return bool Success */ private function receive_profile($importer, $data) { $author = notags(unxmlify($data->author)); @@ -1646,12 +1651,10 @@ class diaspora { } /** - * @brief + * @brief Processes incoming friend requests * * @param array $importer Array of the importer user - * @param array $contact The contact that is checked - * - * @return + * @param array $contact The contact that send the request */ private function receive_request_make_friend($importer, $contact) { @@ -1699,11 +1702,8 @@ class diaspora { $BPhoto = "[url=".$contact["url"]."][img]".$contact["thumb"]."[/img][/url]"; $arr["body"] = sprintf(t("%1$s is now friends with %2$s"), $A, $B)."\n\n\n".$Bphoto; - $arr["object"] = "".ACTIVITY_OBJ_PERSON."".$contact["name"]."" - ."".$contact["url"]."/".$contact["name"].""; - $arr["object"] .= "".xmlify(''."\n"); - $arr["object"] .= xmlify(''."\n"); - $arr["object"] .= "\n"; + $arr["object"] = self::construct_new_friend_object($contact); + $arr["last-child"] = 1; $arr["allow_cid"] = $user[0]["allow_cid"]; @@ -1714,36 +1714,75 @@ class diaspora { $i = item_store($arr); if($i) proc_run("php", "include/notifier.php", "activity", $i); - } - } } /** - * @brief + * @brief Creates a XML object for a "new friend" message + * + * @param array $contact Array of the contact + * + * @return string The XML + */ + private function construct_new_friend_object($contact) { + $objtype = ACTIVITY_OBJ_PERSON; + $link = ''."\n". + ''."\n"; + + $xmldata = array("object" => array("type" => $objtype, + "title" => $contact["name"], + "id" => $contact["url"]."/".$contact["name"], + "link" => $link)); + + return xml::from_array($xmldata, $xml, true); + } + + /** + * @brief Processes incoming sharing notification * * @param array $importer Array of the importer user * @param object $data The message object * - * @return + * @return bool Success */ - private function receive_request($importer, $data) { + private function receive_contact_request($importer, $data) { $author = unxmlify($data->author); $recipient = unxmlify($data->recipient); if (!$author || !$recipient) - return; + return false; - $contact = self::contact_by_handle($importer["uid"],$author); + // the current protocol version doesn't know these fields + // That means that we will assume their existance + if (isset($data->following)) + $following = (unxmlify($data->following) == "true"); + else + $following = true; - if($contact) { + if (isset($data->sharing)) + $sharing = (unxmlify($data->sharing) == "true"); + else + $sharing = true; - // perhaps we were already sharing with this person. Now they're sharing with us. - // That makes us friends. + $contact = self::contact_by_handle($importer["uid"],$author); - self::receive_request_make_friend($importer, $contact); - return true; + // perhaps we were already sharing with this person. Now they're sharing with us. + // That makes us friends. + if ($contact) { + if ($following AND $sharing) { + self::receive_request_make_friend($importer, $contact); + return true; + } else /// @todo Handle all possible variations of adding and retracting of permissions + return false; + } + + if (!$following AND $sharing AND in_array($importer["page-flags"], array(PAGE_SOAPBOX, PAGE_NORMAL))) { + logger("Author ".$author." wants to share with us - but doesn't want to listen. Request is ignored.", LOGGER_DEBUG); + return false; + } elseif (!$following AND !$sharing) { + logger("Author ".$author." doesn't want anything - and we don't know the author. Request is ignored.", LOGGER_DEBUG); + return false; } $ret = self::person_by_handle($author); @@ -1783,12 +1822,10 @@ class diaspora { return; } - $g = q("SELECT `def_gid` FROM `user` WHERE `uid` = %d LIMIT 1", - intval($importer["uid"]) - ); + $def_gid = get_default_group($importer['uid'], $ret["network"]); - if($g && intval($g[0]["def_gid"])) - group_add_member($importer["uid"], "", $contact_record["id"], $g[0]["def_gid"]); + if(intval($def_gid)) + group_add_member($importer["uid"], "", $contact_record["id"], $def_gid); if($importer["page-flags"] == PAGE_NORMAL) { @@ -1814,8 +1851,10 @@ class diaspora { // but if our page-type is PAGE_COMMUNITY or PAGE_SOAPBOX // we are going to change the relationship and make them a follower. - if($importer["page-flags"] == PAGE_FREELOVE) + if (($importer["page-flags"] == PAGE_FREELOVE) AND $sharing AND $following) $new_relation = CONTACT_IS_FRIEND; + elseif (($importer["page-flags"] == PAGE_FREELOVE) AND $sharing) + $new_relation = CONTACT_IS_SHARING; else $new_relation = CONTACT_IS_FOLLOWER; @@ -1842,13 +1881,13 @@ class diaspora { } /** - * @brief + * @brief Fetches a message with a given guid * * @param string $guid message guid - * @param $orig_author - * @param $author + * @param string $orig_author handle of the original post + * @param string $author handle of the sharer * - * @return + * @return array The fetched item */ private function original_item($guid, $orig_author, $author) { @@ -1862,10 +1901,18 @@ class diaspora { logger("reshared message ".$guid." already exists on system."); // Maybe it is already a reshared item? - // Then refetch the content, since there can be many side effects with reshared posts from other networks or reshares from reshares - if (self::is_reshare($r[0]["body"], false)) + // Then refetch the content, if it is a reshare from a reshare. + // If it is a reshared post from another network then reformat to avoid display problems with two share elements + if (self::is_reshare($r[0]["body"], true)) $r = array(); - else + elseif (self::is_reshare($r[0]["body"], false)) { + $r[0]["body"] = diaspora2bb(bb2diaspora($r[0]["body"])); + + // Add OEmbed and other information to the body + $r[0]["body"] = add_page_info_to_body($r[0]["body"], false, true); + + return $r[0]; + } else return $r[0]; } @@ -1907,13 +1954,13 @@ class diaspora { } /** - * @brief + * @brief Processes a reshare message * * @param array $importer Array of the importer user * @param object $data The message object * @param string $xml The original XML of the message * - * @return + * @return int the message id */ private function receive_reshare($importer, $data, $xml) { $root_author = notags(unxmlify($data->root_author)); @@ -1927,8 +1974,9 @@ class diaspora { if (!$contact) return false; - if (self::message_exists($importer["uid"], $guid)) - return false; + $message_id = self::message_exists($importer["uid"], $guid); + if ($message_id) + return $message_id; $original_item = self::original_item($root_guid, $root_author, $author); if (!$original_item) @@ -1981,13 +2029,13 @@ class diaspora { } /** - * @brief + * @brief Processes retractions * * @param array $importer Array of the importer user - * @param array $contact The contact that is checked + * @param array $contact The contact of the item owner * @param object $data The message object * - * @return + * @return bool success */ private function item_retraction($importer, $contact, $data) { $target_type = notags(unxmlify($data->target_type)); @@ -2038,16 +2086,18 @@ class diaspora { // notify others proc_run("php", "include/notifier.php", "drop", $r[0]["id"]); } + + return true; } /** - * @brief + * @brief Receives retraction messages * * @param array $importer Array of the importer user * @param string $sender The sender of the message * @param object $data The message object * - * @return + * @return bool Success */ private function receive_retraction($importer, $sender, $data) { $target_type = notags(unxmlify($data->target_type)); @@ -2068,10 +2118,11 @@ class diaspora { case "StatusMessage": return self::item_retraction($importer, $contact, $data);; + case "Contact": case "Person": /// @todo What should we do with an "unshare"? // Removing the contact isn't correct since we still can read the public items - //contact_remove($contact["id"]); + contact_remove($contact["id"]); return true; default: @@ -2082,13 +2133,13 @@ class diaspora { } /** - * @brief + * @brief Receives status messages * * @param array $importer Array of the importer user * @param object $data The message object * @param string $xml The original XML of the message * - * @return + * @return int The message id of the newly created item */ private function receive_status_message($importer, $data, $xml) { @@ -2109,8 +2160,9 @@ class diaspora { if (!$contact) return false; - if (self::message_exists($importer["uid"], $guid)) - return false; + $message_id = self::message_exists($importer["uid"], $guid); + if ($message_id) + return $message_id; $address = array(); if ($data->location) @@ -2121,6 +2173,7 @@ class diaspora { $datarray = array(); + // Attach embedded pictures to the body if ($data->photo) { foreach ($data->photo AS $photo) $body = "[img]".unxmlify($photo->remote_photo_path). @@ -2179,9 +2232,9 @@ class diaspora { return $message_id; } - /****************************************************************************************** + /* ************************************************************************************** * * Here are all the functions that are needed to transmit data with the Diaspora protocol * - ******************************************************************************************/ + * ************************************************************************************** */ /** * @brief returnes the handle of a contact @@ -2190,13 +2243,18 @@ class diaspora { * * @return string the handle in the format user@domain.tld */ - private function my_handle($me) { + private function my_handle($contact) { if ($contact["addr"] != "") return $contact["addr"]; // Normally we should have a filled "addr" field - but in the past this wasn't the case // So - just in case - we build the the address here. - return $me["nickname"]."@".substr(App::get_baseurl(), strpos(App::get_baseurl(),"://") + 3); + if ($contact["nickname"] != "") + $nick = $contact["nickname"]; + else + $nick = $contact["nick"]; + + return $nick."@".substr(App::get_baseurl(), strpos(App::get_baseurl(),"://") + 3); } /** @@ -2345,7 +2403,7 @@ class diaspora { * @param string $pubkey The public key of the receiver * @param bool $public Is the message public? * - * @return + * @return string The message that will be transmitted to other servers */ private function build_message($msg, $user, $contact, $prvkey, $pubkey, $public = false) { @@ -2442,7 +2500,7 @@ class diaspora { /** - * @brief + * @brief Builds and transmit messages * * @param array $owner the array of the item owner * @param array $contact Target of the communication @@ -2477,7 +2535,7 @@ class diaspora { } /** - * @brief + * @brief Sends a "share" message * * @param array $owner the array of the item owner * @param array $contact Target of the communication @@ -2493,7 +2551,7 @@ class diaspora { } /** - * @brief + * @brief sends an "unshare" * * @param array $owner the array of the item owner * @param array $contact Target of the communication @@ -2583,13 +2641,14 @@ class diaspora { $link = $matches[1]; $ret["root_guid"] = preg_replace("=https?://(.*)/posts/(.*)=ism", "$2", $link); - if (($ret["root_guid"] == $link) OR ($ret["root_guid"] == "")) + if (($ret["root_guid"] == $link) OR (trim($ret["root_guid"]) == "")) return(false); + return($ret); } /** - * @brief + * @brief Sends a post * * @param array $item The item that will be exported * @param array $owner the array of the item owner @@ -2666,12 +2725,12 @@ class diaspora { } /** - * @brief + * @brief Creates a "like" object * * @param array $item The item that will be exported * @param array $owner the array of the item owner * - * @return + * @return array The data for a "like" */ private function construct_like($item, $owner) { @@ -2689,17 +2748,17 @@ class diaspora { "guid" => $item["guid"], "target_type" => $target_type, "parent_guid" => $parent["guid"], - "author_signature" => $authorsig, + "author_signature" => "", "diaspora_handle" => self::my_handle($owner))); } /** - * @brief + * @brief Creates the object for a comment * * @param array $item The item that will be exported * @param array $owner the array of the item owner * - * @return + * @return array The data for a comment */ private function construct_comment($item, $owner) { @@ -2801,7 +2860,7 @@ class diaspora { } /** - * @brief + * @brief Relays messages (like, comment, retraction) to other servers if we are the thread owner * * @param array $item The item that will be exported * @param array $owner the array of the item owner @@ -2905,7 +2964,7 @@ class diaspora { } /** - * @brief + * @brief Sends a mail * * @param array $item The item that will be exported * @param array $owner The owner @@ -2971,11 +3030,9 @@ class diaspora { } /** - * @brief + * @brief Sends profile data * * @param int $uid The user id - * - * @return int The result of the transmission */ public static function send_profile($uid) { @@ -3054,5 +3111,118 @@ class diaspora { foreach($recips as $recip) self::build_and_transmit($profile, $recip, "profile", $message, false, "", true); } + + /** + * @brief Stores the signature for likes that are created on our system + * + * @param array $contact The contact array of the "like" + * @param int $post_id The post id of the "like" + * + * @return bool Success + */ + public static function store_like_signature($contact, $post_id) { + + $enabled = intval(get_config('system','diaspora_enabled')); + if (!$enabled) { + logger('Diaspora support disabled, not storing like signature', LOGGER_DEBUG); + return false; + } + + // Is the contact the owner? Then fetch the private key + if (!$contact['self'] OR ($contact['uid'] == 0)) { + logger("No owner post, so not storing signature", LOGGER_DEBUG); + return false; + } + + $r = q("SELECT `prvkey` FROM `user` WHERE `uid` = %d LIMIT 1", intval($contact['uid'])); + if(!$r) + return false; + + $contact["uprvkey"] = $r[0]['prvkey']; + + $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1", intval($post_id)); + if (!$r) + return false; + + if (!in_array($r[0]["verb"], array(ACTIVITY_LIKE, ACTIVITY_DISLIKE))) + return false; + + $message = self::construct_like($r[0], $contact); + $message["author_signature"] = self::signature($contact, $message); + + // In the future we will store the signature more flexible to support new fields. + // Right now we cannot change this since old Friendica versions (prior to 3.5) can only handle this format. + // (We are transmitting this data here via DFRN) + + $signed_text = $message["positive"].";".$message["guid"].";".$message["target_type"].";". + $message["parent_guid"].";".$message["diaspora_handle"]; + + q("INSERT INTO `sign` (`iid`,`signed_text`,`signature`,`signer`) VALUES (%d,'%s','%s','%s')", + intval($post_id), + dbesc($signed_text), + dbesc($message["author_signature"]), + dbesc($message["diaspora_handle"]) + ); + + // This here will replace the lines above, once Diaspora changed its protocol + //q("INSERT INTO `sign` (`iid`,`signed_text`) VALUES (%d,'%s')", + // intval($message_id), + // dbesc(json_encode($message)) + //); + + logger('Stored diaspora like signature'); + return true; + } + + /** + * @brief Stores the signature for comments that are created on our system + * + * @param array $item The item array of the comment + * @param array $contact The contact array of the item owner + * @param string $uprvkey The private key of the sender + * @param int $message_id The message id of the comment + * + * @return bool Success + */ + public static function store_comment_signature($item, $contact, $uprvkey, $message_id) { + + if ($uprvkey == "") { + logger('No private key, so not storing comment signature', LOGGER_DEBUG); + return false; + } + + $enabled = intval(get_config('system','diaspora_enabled')); + if (!$enabled) { + logger('Diaspora support disabled, not storing comment signature', LOGGER_DEBUG); + return false; + } + + $contact["uprvkey"] = $uprvkey; + + $message = self::construct_comment($item, $contact); + $message["author_signature"] = self::signature($contact, $message); + + // In the future we will store the signature more flexible to support new fields. + // Right now we cannot change this since old Friendica versions (prior to 3.5) can only handle this format. + // (We are transmitting this data here via DFRN) + $signed_text = $message["guid"].";".$message["parent_guid"].";". + $message["text"].";".$message["diaspora_handle"]; + + q("INSERT INTO `sign` (`iid`,`signed_text`,`signature`,`signer`) VALUES (%d,'%s','%s','%s')", + intval($message_id), + dbesc($signed_text), + dbesc($message["author_signature"]), + dbesc($message["diaspora_handle"]) + ); + + // This here will replace the lines above, once Diaspora changed its protocol + //q("INSERT INTO `sign` (`iid`,`signed_text`) VALUES (%d,'%s')", + // intval($message_id), + // dbesc(json_encode($message)) + //); + + logger('Stored diaspora comment signature'); + return true; + } } ?>