Added vtlib_mime_content_type API that works with mime_magic or file info php extension.

data/CRMEntity.php

@@ -139,7 +139,7 @@ class CRMEntity {
                 
                 $save_file = 'true'; 
                 //only images are allowed for Image Attachmenttype 
-                $mimeType = mime_content_type($file_details['tmp_name']); 
+                $mimeType = vtlib_mime_content_type($file_details['tmp_name']); 
                 $mimeTypeContents = explode('/', $mimeType); 
                 // For contacts and products we are sending attachmentType as value 
                 if ($attachmentType == 'Image' || ($file_details['size'] && $mimeTypeContents[0] == 'image')) { 
@@ -2696,4 +2696,4 @@ class CRMEntity {
         return $query;
     }
 }
-?>
\ No newline at end of file
+?>

include/utils/VtlibUtils.php

@@ -704,4 +704,8 @@ function vtlib_module_icon($modulename){
 	return "modules/Vtiger/Vtiger.png";
 }
 
+function vtlib_mime_content_type($filename) {
+	return Vtiger_Functions::mime_content_type($filename);
+}
+
 ?>

modules/Settings/Vtiger/actions/CompanyDetailsSave.php

@@ -28,7 +28,7 @@ class Settings_Vtiger_CompanyDetailsSave_Action extends Settings_Vtiger_Basic_Ac
                 } 
 
                 //mime type check 
-                $mimeType = mime_content_type($logoDetails['tmp_name']); 
+                $mimeType = vtlib_mime_content_type($logoDetails['tmp_name']); 
                 $mimeTypeContents = explode('/', $mimeType); 
                 if (!$logoDetails['size'] || $mimeTypeContents[0] != 'image' || !in_array($mimeTypeContents[1], Settings_Vtiger_CompanyDetails_Model::$logoSupportedFormats)) { 
                     $saveLogo = false; 
@@ -73,4 +73,4 @@ class Settings_Vtiger_CompanyDetailsSave_Action extends Settings_Vtiger_Basic_Ac
         public function validateRequest(Vtiger_Request $request) { 
             $request->validateWriteAccess(); 
         } 
-}
\ No newline at end of file
+}

vtlib/Vtiger/Functions.php

@@ -938,7 +938,24 @@ class Vtiger_Functions {
         $noof_group_rows = $adb->num_rows($result);
         return $result;
     }
-    
+
+	/**
+	* Function to determine mime type of file. 
+	* Compatible with mime_magic or fileinfo php extension.
+	*/
+	static function mime_content_type($filename) {
+		$type = null;
+		if (function_exists('mime_content_type')) {
+			$type = mime_content_type($filename);
+		} else if (function_exists('finfo_open')) {
+			$finfo = finfo_open(FILEINFO_MIME_TYPE);
+			$type = finfo_file($finfo, $filename);
+			finfo_close($finfo);
+		} else {
+			throw new Exception('mime_magic or fileinfo extension required.');
+		}
+		return $type;
+	}
    
      /**
 	 * Check the file MIME Type
@@ -946,7 +963,7 @@ class Vtiger_Functions {
 	 * @param  $claimedMime Array of bad file extenstions
 	 */
     static function verifyClaimedMIME($targetFile,$claimedMime) {
-    $fileMimeContentType= mime_content_type($targetFile);
+    $fileMimeContentType= self::mime_content_type($targetFile);
     if (in_array(strtolower($fileMimeContentType), $claimedMime)) {
      return false; 
     }