From 17f15e793f1507b7988dea970b4a6784ee68c6d8 Mon Sep 17 00:00:00 2001
From: Michael <heluecht@pirati.ca>
Date: Mon, 12 Dec 2016 06:46:02 +0000
Subject: [PATCH] Issue 2999: Better Mastodon handling

---
 include/items.php    |  4 ++++
 include/socgraph.php | 17 ++++++++++++++++-
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/include/items.php b/include/items.php
index 0445c4490c..c2c4c10293 100644
--- a/include/items.php
+++ b/include/items.php
@@ -280,6 +280,10 @@ function add_page_info_to_body($body, $texturl = false, $no_photos = false) {
 
 	$URLSearchString = "^\[\]";
 
+	// Fix for Mastodon where the mentions are in a different format
+	$body = preg_replace("/\[url\=([$URLSearchString]*)\]([#!@])(.*?)\[\/url\]/ism",
+				'$2[url=$1]$3[/url]', $body);
+
 	// Adding these spaces is a quick hack due to my problems with regular expressions :)
 	preg_match("/[^!#@]\[url\]([$URLSearchString]*)\[\/url\]/ism", " ".$body, $matches);
 
diff --git a/include/socgraph.php b/include/socgraph.php
index 421a68cc9e..f138843538 100644
--- a/include/socgraph.php
+++ b/include/socgraph.php
@@ -391,6 +391,15 @@ function poco_detect_server($profile) {
 		}
 	}
 
+	// Mastodon
+	if ($server_url == "") {
+		$red = preg_replace("=(https?://)(.*)/users/(.*)=ism", "$1$2", $profile);
+		if ($red != $profile) {
+			$server_url = $red;
+			$network = NETWORK_OSTATUS;
+		}
+	}
+
 	return $server_url;
 }
 
@@ -723,7 +732,6 @@ function poco_check_server($server_url, $network = "", $force = false) {
 	if (!$serverret["success"] OR ($serverret["body"] == "") OR (@sizeof($xmlobj) == 0) OR !is_object($xmlobj)) {
 		$server_url = str_replace("https://", "http://", $server_url);
 		$serverret = z_fetch_url($server_url."/.well-known/host-meta");
-
 		$xmlobj = @simplexml_load_string($serverret["body"],'SimpleXMLElement',0, "http://docs.oasis-open.org/ns/xri/xrd-1.0");
 	}
 
@@ -755,6 +763,13 @@ function poco_check_server($server_url, $network = "", $force = false) {
 						$versionparts = explode("-", $version);
 						$version = $versionparts[0];
 					}
+
+					if(stristr($line,'Server: Mastodon')) {
+						$platform = "Mastodon";
+						$network = NETWORK_OSTATUS;
+						// Mastodon doesn't reveal version numbers
+						$version = "";
+					}
 				}
 		}
 	}