62 lines
2 KiB
PHP
62 lines
2 KiB
PHP
<?php
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/*
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This file is part of the Diaspora protocol. It is used for fetching single public posts.
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*/
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require_once("include/crypto.php");
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require_once("include/diaspora.php");
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require_once("include/xml.php");
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function fetch_init(App $a) {
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if (($a->argc != 3) OR (!in_array($a->argv[1], array("post", "status_message", "reshare")))) {
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header($_SERVER["SERVER_PROTOCOL"].' 404 '.t('Not Found'));
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killme();
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}
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$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",
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dbesc($guid), NETWORK_DFRN, NETWORK_DIASPORA);
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if (!$item) {
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$r = q("SELECT `author-link`
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FROM `item` WHERE `uid` = 0 AND `guid` = '%s' AND `network` IN ('%s', '%s') AND `id` = `parent` LIMIT 1",
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dbesc($guid), NETWORK_DFRN, NETWORK_DIASPORA);
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if ($r) {
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$parts = parse_url($r[0]["author-link"]);
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$host = $parts["scheme"]."://".$parts["host"];
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if (normalise_link($host) != normalise_link(App::get_baseurl())) {
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$location = $host."/fetch/".$a->argv[1]."/".urlencode($guid);
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header("HTTP/1.1 301 Moved Permanently");
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header("Location:".$location);
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killme();
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}
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}
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header($_SERVER["SERVER_PROTOCOL"].' 404 '.t('Not Found'));
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killme();
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}
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// Fetch some data from the author (We could combine both queries - but I think this is more readable)
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$r = q("SELECT `user`.`prvkey`, `contact`.`addr`, `user`.`nickname`, `contact`.`nick` FROM `user`
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INNER JOIN `contact` ON `contact`.`uid` = `user`.`uid`
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WHERE `user`.`uid` = %d", intval($item[0]["uid"]));
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if (!$r) {
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header($_SERVER["SERVER_PROTOCOL"].' 404 '.t('Not Found'));
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killme();
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}
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$user = $r[0];
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$status = Diaspora::build_status($item[0], $user);
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$xml = Diaspora::build_post_xml($status["type"], $status["message"]);
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// Send the envelope
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header("Content-Type: application/magic-envelope+xml; charset=utf-8");
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echo Diaspora::build_magic_envelope($xml, $user);
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killme();
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}
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