From 51e6565aab8e522e60fc2b6815c6f81697d136f9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20M=C3=BCller?= <thomas.mueller@tmit.eu>
Date: Fri, 11 Oct 2013 00:25:34 +0200
Subject: [PATCH 1/4] only text/plain is now used to generate text previews
 blacklist implementation remove because no longer needed

---
 lib/private/preview/txt.php | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/lib/private/preview/txt.php b/lib/private/preview/txt.php
index 77e728eb364..4c6048c6bac 100644
--- a/lib/private/preview/txt.php
+++ b/lib/private/preview/txt.php
@@ -9,20 +9,19 @@ namespace OC\Preview;
 
 class TXT extends Provider {
 
-	private static $blacklist = array(
-		'text/calendar',
-		'text/vcard',
-	);
-
 	public function getMimeType() {
-		return '/text\/.*/';
+		return '/text\/plain/';
 	}
 
+	/**
+	 * @param string $path
+	 * @param int $maxX
+	 * @param int $maxY
+	 * @param boolean $scalingup
+	 * @param \OC\Files\View $fileview
+	 * @return bool|\OC_Image
+	 */
 	public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview) {
-		$mimetype = $fileview->getMimeType($path);
-		if(in_array($mimetype, self::$blacklist)) {
-			return false;
-		}
 
 		$content = $fileview->fopen($path, 'r');
 		$content = stream_get_contents($content);
@@ -80,4 +79,4 @@ class JavaScript extends TXT {
 
 }
 
-\OC\Preview::registerProvider('OC\Preview\JavaScript');
\ No newline at end of file
+\OC\Preview::registerProvider('OC\Preview\JavaScript');

From e28f7f8a33cb19fb483b5eaa8cae372baf5ee44a Mon Sep 17 00:00:00 2001
From: Georg Ehrke <developer@georgehrke.com>
Date: Fri, 11 Oct 2013 11:43:26 +0200
Subject: [PATCH 2/4] remove php and js previews

---
 lib/private/preview/txt.php | 20 --------------------
 1 file changed, 20 deletions(-)

diff --git a/lib/private/preview/txt.php b/lib/private/preview/txt.php
index 4c6048c6bac..e2d16d2ba11 100644
--- a/lib/private/preview/txt.php
+++ b/lib/private/preview/txt.php
@@ -60,23 +60,3 @@ class TXT extends Provider {
 }
 
 \OC\Preview::registerProvider('OC\Preview\TXT');
-
-class PHP extends TXT {
-
-	public function getMimeType() {
-		return '/application\/x-php/';
-	}
-
-}
-
-\OC\Preview::registerProvider('OC\Preview\PHP');
-
-class JavaScript extends TXT {
-
-	public function getMimeType() {
-		return '/application\/javascript/';
-	}
-
-}
-
-\OC\Preview::registerProvider('OC\Preview\JavaScript');

From 71601a7c6f708dddd3d1ae030f86ae982a2e3865 Mon Sep 17 00:00:00 2001
From: Georg Ehrke <developer@georgehrke.com>
Date: Mon, 14 Oct 2013 14:10:47 +0200
Subject: [PATCH 3/4] implement previews for markdown

---
 lib/private/preview/txt.php | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/lib/private/preview/txt.php b/lib/private/preview/txt.php
index e2d16d2ba11..b3820ead8d6 100644
--- a/lib/private/preview/txt.php
+++ b/lib/private/preview/txt.php
@@ -60,3 +60,13 @@ class TXT extends Provider {
 }
 
 \OC\Preview::registerProvider('OC\Preview\TXT');
+
+class MarkDown extends TXT {
+
+	public function getMimeType() {
+		return '/text\/x-markdown/';
+	}
+
+}
+
+\OC\Preview::registerProvider('OC\Preview\MarkDown');

From aca66270c7e86fc125a8bcce5affc584d7d82a60 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20M=C3=BCller?= <thomas.mueller@tmit.eu>
Date: Wed, 16 Oct 2013 15:31:43 +0200
Subject: [PATCH 4/4] accept text/markdown as well

---
 lib/private/preview/txt.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/private/preview/txt.php b/lib/private/preview/txt.php
index b3820ead8d6..c9aa20968d8 100644
--- a/lib/private/preview/txt.php
+++ b/lib/private/preview/txt.php
@@ -64,7 +64,7 @@ class TXT extends Provider {
 class MarkDown extends TXT {
 
 	public function getMimeType() {
-		return '/text\/x-markdown/';
+		return '/text\/(x-)?markdown/';
 	}
 
 }