2 files changed, 41 insertions, 10 deletions
diff --git a/phpBB/assets/javascript/editor.js b/phpBB/assets/javascript/editor.js
index 23244f5a40..24cbc09f58 100644
--- a/phpBB/assets/javascript/editor.js
+++ b/phpBB/assets/javascript/editor.js
@@ -18,16 +18,9 @@ var is_win = ((clientPC.indexOf('win') !== -1) || (clientPC.indexOf('16bit') !==
 var baseHeight;
 
 /**
-* Shows the help messages in the helpline window
-*/
-function helpline(help) {
-	document.forms[form_name].helpbox.value = help_line[help];
-}
-
-/**
 * Fix a bug involving the TextRange object. From
 * http://www.frostjedi.com/terra/scripts/demo/caretBug.html
-*/ 
+*/
 function initInsertions() {
 	var doc;
 
@@ -104,8 +97,8 @@ function bbfontstyle(bbopen, bbclose) {
 	}
 	// IE
 	else if (document.selection) {
-		var range = textarea.createTextRange(); 
-		range.move("character", new_pos); 
+		var range = textarea.createTextRange();
+		range.move("character", new_pos);
 		range.select();
 		storeCaret(textarea);
 	}
diff --git a/phpBB/assets/javascript/plupload.js b/phpBB/assets/javascript/plupload.js
index 5e8db8b035..8c52aae819 100644
--- a/phpBB/assets/javascript/plupload.js
+++ b/phpBB/assets/javascript/plupload.js
@@ -463,6 +463,44 @@ phpbb.plupload.fileError = function(file, error) {
 phpbb.plupload.uploader = new plupload.Uploader(phpbb.plupload.config);
 phpbb.plupload.initialize();
 
+/**
+ * Add a file filter to check for max file sizes per mime type.
+ */
+plupload.addFileFilter('mime_types_max_file_size', function(types, file, callback) {
+	if (file.size !== 'undefined') {
+		$(types).each(function(i, type) {
+			let extensions = [],
+				extsArray = type.extensions.split(',');
+
+			$(extsArray).each(function(i, extension) {
+				/^\s*\*\s*$/.test(extension) ? extensions.push("\\.*") : extensions.push("\\." + extension.replace(new RegExp("[" + "/^$.*+?|()[]{}\\".replace(/./g, "\\$&") + "]", "g"), "\\$&"));
+			});
+
+			let regex = new RegExp("(" + extensions.join("|") + ")$", "i");
+
+			if (regex.test(file.name)) {
+				if (type.max_file_size !== 'undefined' && type.max_file_size) {
+					if (file.size > type.max_file_size) {
+						phpbb.plupload.uploader.trigger('Error', {
+							code: plupload.FILE_SIZE_ERROR,
+							message: plupload.translate('File size error.'),
+							file: file
+						});
+
+						callback(false);
+					} else {
+						callback(true);
+					}
+				} else {
+					callback(true);
+				}
+
+				return false;
+			}
+		});
+	}
+});
+
 var $fileList = $('#file-list');
 
 /**