Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?php
/*
This file is part of the Diaspora protocol. It is used for fetching single public posts.
*/
require_once("include/crypto.php");
require_once("include/diaspora.php");
require_once("include/xml.php");
function fetch_init(App $a) {
if (($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];
// Fetch the item
$item = q("SELECT `uid`, `title`, `body`, `guid`, `contact-id`, `private`, `created`, `app`, `location`, `coord`
FROM `item` WHERE `wall` AND NOT `private` AND `guid` = '%s' AND `network` IN ('%s', '%s') AND `id` = `parent` LIMIT 1",
dbesc($guid), NETWORK_DFRN, NETWORK_DIASPORA);
if (!$item) {
$r = q("SELECT `author-link`
FROM `item` WHERE `uid` = 0 AND `guid` = '%s' AND `network` IN ('%s', '%s') AND `id` = `parent` LIMIT 1",
dbesc($guid), NETWORK_DFRN, NETWORK_DIASPORA);
if ($r) {
$parts = parse_url($r[0]["author-link"]);
$host = $parts["scheme"]."://".$parts["host"];
if (normalise_link($host) != normalise_link(App::get_baseurl())) {
$location = $host."/fetch/".$a->argv[1]."/".urlencode($guid);
header("HTTP/1.1 301 Moved Permanently");
header("Location:".$location);
killme();
}
}
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)
$r = q("SELECT `user`.`prvkey`, `contact`.`addr`, `user`.`nickname`, `contact`.`nick` FROM `user`
INNER JOIN `contact` ON `contact`.`uid` = `user`.`uid` AND `contact`.`self`
WHERE `user`.`uid` = %d", intval($item[0]["uid"]));
if (!$r) {
header($_SERVER["SERVER_PROTOCOL"].' 404 '.t('Not Found'));
killme();
}
$user = $r[0];
$status = Diaspora::build_status($item[0], $user);
$xml = Diaspora::build_post_xml($status["type"], $status["message"]);
// Send the envelope
header("Content-Type: application/magic-envelope+xml; charset=utf-8");
echo Diaspora::build_magic_envelope($xml, $user);
killme();
}