Ticket #7847: 7847.patch

_source/core/env.js

@@ -103 +103 @@
 
                                 return domain != hostname &&
                                         domain != ( '[' + hostname + ']' );     // IPv6 IP support (#5434)
-                        }
+                        },
+
+                        /**
+                         * Indicates that page is running under an encrypted connection.
+                         * @returns {Boolean} "true" if the page has an encrypted connection.
+                         * @example
+                         * if ( CKEDITOR.env.secure )
+                         *     alert( "I'm in SSL!" );
+                         */
+                        secure : location.protocol == 'https:'
                 };
 
                 /**

_source/core/dom/element.js

@@ -1062 +1062 @@
                                         return this;
                                 };
                         }
-                        else
+                        else if ( CKEDITOR.env.ie8Compat && CKEDITOR.env.secure )
+                        {
+                                return function( name, value )
+                                {
+                                        // IE8 throws error when setting src attribute to non-ssl value. (#7847)
+                                        if ( name == 'src' && value.match( /^http:\/\// ) )
+                                                try { standard.apply( this, arguments ); } catch( e ){}
+                                        else
+                                                standard.apply( this, arguments );
+                                        return this;
+                                };
+                        }
+                        else
                                 return standard;
                 })(),