Added propagation of $fetch_last_content_type for curl- and file_get_contents-calls

include/functions.php

@@ -7,6 +7,7 @@
 
 	$fetch_last_error = false;
 	$fetch_last_error_code = false;
+	$fetch_last_content_type = false;
 	$pluginhost = false;
 
 	function __autoload($class) {
@@ -317,6 +318,7 @@
 
 		global $fetch_last_error;
 		global $fetch_last_error_code;
+		global $fetch_last_content_type;
 
 		$url = str_replace(' ', '%20', $url);
 
@@ -367,11 +369,11 @@
 			}
 
 			$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
-			$content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
+			$fetch_last_content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
 
 			$fetch_last_error_code = $http_code;
 
-			if ($http_code != 200 || $type && strpos($content_type, "$type") === false) {
+			if ($http_code != 200 || $type && strpos($fetch_last_content_type, "$type") === false) {
 				if (curl_errno($ch) != 0) {
 					$fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
 				} else {
@@ -399,6 +401,15 @@
 
 			$data = @file_get_contents($url);
 
+			$fetch_last_content_type = false;  // reset if no type was sent from server
+			foreach ($http_response_header as $h) {
+				if (substr(strtolower($h), 0, 13) == 'content-type:') {
+					$fetch_last_content_type = substr($h, 14);
+					// don't abort here b/c there might be more than one
+					// e.g. if we were being redirected -- last one is the right one
+				}
+			}
+
 			if (!$data && function_exists('error_get_last')) {
 				$error = error_get_last();
 				$fetch_last_error = $error["message"];