friendica/mod/fetch.php

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<?php
/*
This file is part of the Diaspora protocol. It is used for fetching single public posts.
*/
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require_once("include/crypto.php");
require_once("include/diaspora.php");
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require_once("include/xml.php");
function fetch_init($a){
if (($a->argc != 3) OR (!in_array($a->argv[1], array("post", "status_message", "reshare")))) {
header($_SERVER["SERVER_PROTOCOL"].' 404 '.t('Not Found'));
killme();
}
$guid = $a->argv[2];
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// Fetch the item
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$item = q("SELECT `uid`, `title`, `body`, `guid`, `contact-id`, `private`, `created`, `app`, `location`, `coord`
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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($_SERVER["SERVER_PROTOCOL"].' 404 '.t('Not Found'));
killme();
}
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// Fetch some data from the author (We could combine both queries - but I think this is more readable)
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$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();
}
$user = $r[0];
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$status = diaspora::build_status($item[0], $user);
$xml = diaspora::build_post_xml($status["type"], $status["message"]);
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// Send the envelope
header("Content-Type: application/magic-envelope+xml; charset=utf-8");
echo diaspora::build_magic_envelope($xml, $user);
killme();
}