121 lines
4.6 KiB
ActionScript
Executable file
121 lines
4.6 KiB
ActionScript
Executable file
package {
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import flash.external.ExternalInterface;
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internal class ExternalCall
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{
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/*public function ExternalCall()
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{
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}
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*/
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public static function Simple(callback:String):void {
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ExternalInterface.call(callback);
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}
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public static function FileQueued(callback:String, file_object:Object):void {
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ExternalInterface.call(callback, EscapeMessage(file_object));
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}
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public static function FileQueueError(callback:String, error_code:Number, file_object:Object, message:String):void {
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ExternalInterface.call(callback, EscapeMessage(file_object), EscapeMessage(error_code), EscapeMessage(message));
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}
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public static function FileDialogComplete(callback:String, num_files_selected:Number, num_files_queued:Number, total_num_files_queued:Number):void {
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ExternalInterface.call(callback, EscapeMessage(num_files_selected), EscapeMessage(num_files_queued), EscapeMessage(total_num_files_queued));
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}
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public static function UploadStart(callback:String, file_object:Object):void {
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ExternalInterface.call(callback, EscapeMessage(file_object));
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}
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public static function UploadProgress(callback:String, file_object:Object, bytes_loaded:uint, bytes_total:uint):void {
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ExternalInterface.call(callback, EscapeMessage(file_object), EscapeMessage(bytes_loaded), EscapeMessage(bytes_total));
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}
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public static function UploadSuccess(callback:String, file_object:Object, server_data:String, responseReceived:Boolean):void {
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ExternalInterface.call(callback, EscapeMessage(file_object), EscapeMessage(server_data), EscapeMessage(responseReceived));
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}
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public static function UploadError(callback:String, error_code:Number, file_object:Object, message:String):void {
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ExternalInterface.call(callback, EscapeMessage(file_object), EscapeMessage(error_code), EscapeMessage(message));
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}
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public static function UploadComplete(callback:String, file_object:Object):void {
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ExternalInterface.call(callback, EscapeMessage(file_object));
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}
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public static function Debug(callback:String, message:String):void {
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ExternalInterface.call(callback, EscapeMessage(message));
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}
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public static function Bool(callback:String):Boolean {
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return ExternalInterface.call(callback);
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}
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/* Escapes all the backslashes which are not translated correctly in the Flash -> JavaScript Interface
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*
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* These functions had to be developed because the ExternalInterface has a bug that simply places the
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* value a string in quotes (except for a " which is escaped) in a JavaScript string literal which
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* is executed by the browser. These often results in improperly escaped string literals if your
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* input string has any backslash characters. For example the string:
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* "c:\Program Files\uploadtools\"
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* is placed in a string literal (with quotes escaped) and becomes:
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* var __flash__temp = "\"c:\Program Files\uploadtools\\"";
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* This statement will cause errors when executed by the JavaScript interpreter:
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* 1) The first \" is succesfully transformed to a "
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* 2) \P is translated to P and the \ is lost
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* 3) \u is interpreted as a unicode character and causes an error in IE
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* 4) \\ is translated to \
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* 5) leaving an unescaped " which causes an error
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*
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* I fixed this by escaping \ characters in all outgoing strings. The above escaped string becomes:
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* var __flash__temp = "\"c:\\Program Files\\uploadtools\\\"";
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* which contains the correct string literal.
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*
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* Note: The "var __flash__temp = " portion of the example is part of the ExternalInterface not part of
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* my escaping routine.
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*/
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private static function EscapeMessage(message:*):* {
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if (message is String) {
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message = EscapeString(message);
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}
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else if (message is Array) {
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message = EscapeArray(message);
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}
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else if (message is Object) {
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message = EscapeObject(message);
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}
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return message;
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}
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private static function EscapeString(message:String):String {
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var replacePattern:RegExp = /\\/g; //new RegExp("/\\/", "g");
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return message.replace(replacePattern, "\\\\");
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}
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private static function EscapeArray(message_array:Array):Array {
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var length:uint = message_array.length;
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var i:uint = 0;
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for (i; i < length; i++) {
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message_array[i] = EscapeMessage(message_array[i]);
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}
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return message_array;
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}
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private static function EscapeObject(message_obj:Object):Object {
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for (var name:String in message_obj) {
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message_obj[name] = EscapeMessage(message_obj[name]);
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}
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return message_obj;
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}
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}
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} |