From 32206cd6817095f92f2e64ce1efc2d7060789e84 Mon Sep 17 00:00:00 2001
From: Michael Vogel <icarus@dabo.de>
Date: Sun, 5 Apr 2015 20:50:15 +0200
Subject: [PATCH] Diaspora uses this to fetch single public items.

---
 mod/p.php | 75 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 mod/p.php

diff --git a/mod/p.php b/mod/p.php
new file mode 100644
index 000000000..6bae99256
--- /dev/null
+++ b/mod/p.php
@@ -0,0 +1,75 @@
+<?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));
+
+	$item = q("SELECT `body`, `guid`, `contact-id`, `private`, `created`, `app` FROM `item` WHERE `uid` = 0 AND `guid` = '%s' AND `network` IN ('%s', '%s') LIMIT 1",
+		dbesc($guid), NETWORK_DFRN, NETWORK_DIASPORA);
+	if (!$item) {
+		header($_SERVER["SERVER_PROTOCOL"].' 404 '.t('Not Found'));
+		killme();
+	}
+
+	$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 {
+		$nodename = "status_message";
+		$post["raw_message"] = str_replace("&", "&amp;", bb2diaspora($item[0]["body"]));
+		$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"];
+	}
+
+	$dom = new DOMDocument("1.0");
+	$root = $dom->createElement("XML");
+	$dom->appendChild($root);
+	$postelement = $dom->createElement("post");
+	$root->appendChild($postelement);
+	$statuselement = $dom->createElement($nodename);
+	$postelement->appendChild($statuselement);
+
+	foreach($post AS $index => $value) {
+		$postnode = $dom->createElement($index, $value);
+		$statuselement->appendChild($postnode);
+	}
+
+	header("Content-Type: application/xml; charset=utf-8");
+	$xml = $dom->saveXML();
+
+	// Diaspora doesn't send the XML header, so we remove them as well.
+	// So we avoid possible compatibility problems.
+	if (substr($xml, 0, 21) == '<?xml version="1.0"?>')
+		$xml = trim(substr($xml, 21));
+
+	echo $xml;
+
+	killme();
+}