/*
This file is part of the Diaspora protocol. It is used for fetching single public posts.
*/
-require_once("include/diaspora.php");
-function fetch_init($a){
+use Friendica\App;
+use Friendica\Core\Protocol;
+use Friendica\Core\System;
+use Friendica\Protocol\Diaspora;
+use Friendica\Model\Item;
+use Friendica\Model\User;
+use Friendica\Util\Strings;
+use Friendica\Database\DBA;
- if (($a->argc != 3) OR (!in_array($a->argv[1], array("post", "status_message", "reshare")))) {
- header($_SERVER["SERVER_PROTOCOL"].' 404 '.t('Not Found'));
- killme();
- }
-
- $guid = $a->argv[2];
+function fetch_init(App $a)
+{
- $item = q("SELECT `uid`, `title`, `body`, `guid`, `contact-id`, `private`, `created`, `app`, `location`
- FROM `item` WHERE `wall` AND NOT `private` AND `guid` = '%s' AND `network` IN ('%s', '%s') AND `id` = `parent` LIMIT 1",
- dbesc($guid), NETWORK_DFRN, NETWORK_DIASPORA);
- if (!$item) {
- header($_SERVER["SERVER_PROTOCOL"].' 404 '.t('Not Found'));
- killme();
+ if (($a->argc != 3) || (!in_array($a->argv[1], ["post", "status_message", "reshare"]))) {
+ System::httpExit(404);
}
- $post = array();
- $reshared = diaspora::is_reshare($item[0]["body"]);
-
- if ($reshared) {
- $nodename = "reshare";
- $post["root_diaspora_id"] = $reshared["root_handle"];
- $post["root_guid"] = $reshared["root_guid"];
- $post["guid"] = $item[0]["guid"];
- $post["diaspora_handle"] = diaspora::handle_from_contact($item[0]["contact-id"]);
- $post["public"] = (!$item[0]["private"] ? 'true':'false');
- $post["created_at"] = datetime_convert('UTC','UTC',$item[0]["created"]);
- } else {
- $body = bb2diaspora($item[0]["body"]);
-
- if(strlen($item[0]["title"]))
- $body = "## ".html_entity_decode($item[0]["title"])."\n\n".$body;
+ $guid = $a->argv[2];
- $nodename = "status_message";
- $post["raw_message"] = str_replace("&", "&", $body);
- $post["location"] = $item[0]["location"];
- $post["guid"] = $item[0]["guid"];
- $post["diaspora_handle"] = diaspora::handle_from_contact($item[0]["contact-id"]);
- $post["public"] = (!$item[0]["private"] ? 'true':'false');
- $post["created_at"] = datetime_convert('UTC','UTC',$item[0]["created"]);
- $post["provider_display_name"] = $item[0]["app"];
+ // Fetch the item
+ $fields = ['uid', 'title', 'body', 'guid', 'contact-id', 'private', 'created', 'app', 'location', 'coord', 'network',
+ 'event-id', 'resource-id', 'author-link', 'author-avatar', 'author-name', 'plink', 'owner-link', 'attach'];
+ $condition = ['wall' => true, 'private' => false, 'guid' => $guid, 'network' => [Protocol::DFRN, Protocol::DIASPORA]];
+ $item = Item::selectFirst($fields, $condition);
+ if (!DBA::isResult($item)) {
+ $condition = ['guid' => $guid, 'network' => [Protocol::DFRN, Protocol::DIASPORA]];
+ $item = Item::selectFirst(['author-link'], $condition);
+ if (DBA::isResult($item)) {
+ $parts = parse_url($item["author-link"]);
+ $host = $parts["scheme"]."://".$parts["host"];
+
+ if (Strings::normaliseLink($host) != Strings::normaliseLink(System::baseUrl())) {
+ $location = $host."/fetch/".$a->argv[1]."/".urlencode($guid);
+
+ header("HTTP/1.1 301 Moved Permanently");
+ header("Location:".$location);
+ exit();
+ }
+ }
+
+ System::httpExit(404);
}
- $data = array("XML" => array("post" => array($nodename => $post)));
- $xml = xml::from_array($data, $xmlobj);
-
- $r = q("SELECT `prvkey` FROM `user` WHERE `uid` = %d", intval($item[0]["uid"]));
- if (!$r) {
- header($_SERVER["SERVER_PROTOCOL"].' 404 '.t('Not Found'));
- killme();
+ // Fetch some data from the author (We could combine both queries - but I think this is more readable)
+ $user = User::getOwnerDataById($item["uid"]);
+ if (!$user) {
+ System::httpExit(404);
}
- $user = $r[0];
-
- $key_id = "";
-
- $b64url_data = base64url_encode($xml);
- $data = str_replace(array("\n", "\r", " ", "\t"), array("", "", "", ""), $b64url_data);
-
- $type = "application/xml";
- $encoding = "base64url";
- $alg = "RSA-SHA256";
- $signable_data = $data.".".base64url_encode($type).".".base64url_encode($encoding).".".base64url_encode($alg);
- $signature = rsa_sign($signable_data, $user["prvkey"]);
- $sig = base64url_encode($signature);
-
- $xmldata = array("me:env" => array("me:data" => $data,
- "@attributes" => array("type" => $type),
- "me:encoding" => $encoding,
- "me:alg" => $alg,
- "me:sig" => $sig,
- "@attributes2" => array("key_id" => $key_id)));
-
- $namespaces = array("me" => "http://salmon-protocol.org/ns/magic-env");
+ $status = Diaspora::buildStatus($item, $user);
+ $xml = Diaspora::buildPostXml($status["type"], $status["message"]);
- $envelope = xml::from_array($xmldata, $xml, false, $namespaces);
- header("Content-Type: application/xml; charset=utf-8");
- echo $envelope;
+ // Send the envelope
+ header("Content-Type: application/magic-envelope+xml; charset=utf-8");
+ echo Diaspora::buildMagicEnvelope($xml, $user);
- killme();
+ exit();
}