From 9ec269330c11f13bdfc3489d3000965685695ddb Mon Sep 17 00:00:00 2001
From: Marcin Kurczewski <mkurczew@gmail.com>
Date: Wed, 13 Nov 2013 23:36:58 +0100
Subject: [PATCH] Dependancy extensions safety checks

---
 init.php                           |  2 +-
 src/Controllers/PostController.php |  9 ++++++++-
 src/core.php                       | 13 +++++++++----
 3 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/init.php b/init.php
index 38481828..aa0d0728 100644
--- a/init.php
+++ b/init.php
@@ -50,7 +50,7 @@ download('http://raw.github.com/aehlke/tag-it/master/css/jquery.tagit.css', $lib
 download('http://raw.github.com/aehlke/tag-it/master/js/tag-it.min.js', $libPath . 'tagit' . DS . 'jquery.tagit.js');
 
 //Mousetrap
-download('https://raw.github.com/ccampbell/mousetrap/master/mousetrap.min.js', $libPath . 'mousetrap' . DS . 'mousetrap.min.js');
+download('http://raw.github.com/ccampbell/mousetrap/master/mousetrap.min.js', $libPath . 'mousetrap' . DS . 'mousetrap.min.js');
 
 //fonts
 download('http://googlefontdirectory.googlecode.com/hg/apache/droidsans/DroidSans.ttf', $fontsPath . 'DroidSans.ttf');
diff --git a/src/Controllers/PostController.php b/src/Controllers/PostController.php
index b518d65b..583c2522 100644
--- a/src/Controllers/PostController.php
+++ b/src/Controllers/PostController.php
@@ -243,7 +243,14 @@ class PostController
 
 
 			/* file details */
-			$mimeType = $sourcePath ? mime_content_type($sourcePath) : null;
+			$mimeType = null;
+			if ($sourcePath)
+			{
+				if (function_exists('mime_content_type'))
+					$mimeType = mime_content_type($sourcePath);
+				else
+					$mimeType = $suppliedFile['type'];
+			}
 			$imageWidth = null;
 			$imageHeight = null;
 			switch ($mimeType)
diff --git a/src/core.php b/src/core.php
index 37cef1d8..55e3c1fb 100644
--- a/src/core.php
+++ b/src/core.php
@@ -11,16 +11,21 @@ function trueStartTime()
 }
 trueStartTime();
 
-require_once __DIR__ . '/../lib/php-markdown/Michelf/Markdown.php';
-require_once __DIR__ . '/../lib/redbean/RedBean/redbean.inc.php';
-require_once __DIR__ . '/../lib/chibi-core/Facade.php';
-require_once __DIR__ . '/../lib/chibi-core/Registry.php';
+$requiredExtensions = ['pdo', 'pdo_sqlite', 'gd', 'openssl'];
+foreach ($requiredExtensions as $ext)
+	if (!extension_loaded($ext))
+		die('PHP extension "' . $ext . '" must be enabled to continue.' . PHP_EOL);
 
 date_default_timezone_set('UTC');
 setlocale(LC_CTYPE, 'en_US.UTF-8');
 ini_set('memory_limit', '128M');
 define('DS', DIRECTORY_SEPARATOR);
 
+require_once __DIR__ . '/../lib/php-markdown/Michelf/Markdown.php';
+require_once __DIR__ . '/../lib/redbean/RedBean/redbean.inc.php';
+require_once __DIR__ . '/../lib/chibi-core/Facade.php';
+require_once __DIR__ . '/../lib/chibi-core/Registry.php';
+
 function configFactory()
 {
 	static $config = null;