friendica-github/mod/p.php

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<?php
/*
This file is part of the Diaspora protocol. It is used for fetching single public posts.
*/
require_once("include/diaspora.php");
function p_init($a){
if ($a->argc != 2) {
header($_SERVER["SERVER_PROTOCOL"].' 510 '.t('Not Extended'));
killme();
}
$guid = $a->argv[1];
if (strtolower(substr($guid, -4)) != ".xml") {
header($_SERVER["SERVER_PROTOCOL"].' 404 '.t('Not Found'));
killme();
}
$guid = strtolower(substr($guid, 0, -4));
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// 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 (!$item) {
header($_SERVER["SERVER_PROTOCOL"].' 404 '.t('Not Found'));
killme();
}
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// Fetch some data from the author (We could combine both queries - but I think this is more readable)
$r = q("SELECT `user`.`prvkey`, `contact`.`addr`, `user`.`nickname`, `contact`.`nick` FROM `user`
INNER JOIN `contact` ON `contact`.`uid` = `user`.`uid`
WHERE `user`.`uid` = %d", intval($item[0]["uid"]));
if (!$r) {
header($_SERVER["SERVER_PROTOCOL"].' 404 '.t('Not Found'));
killme();
}
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$user = $r[0];
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$status = diaspora::build_status($item[0], $user);
$xml = diaspora::build_post_xml($status["type"], $status["message"]);
header("Content-Type: application/xml; charset=utf-8");
echo $xml;
killme();
}