Encode/decode target URL with urlsafe functions.

x.py

@@ -89,7 +89,7 @@ def x(url):
     # allow only one request at a time
     with lock:
         durl = str.encode(url)
-        durl = base64.b64decode(durl)
+        durl = base64.urlsafe_b64decode(durl)
         durl = zlib.decompress(durl)
         aes = aes_new()
         durl = aes.decrypt(durl)
@@ -134,7 +134,7 @@ if __name__ == "__main__":
                     foo = str.encode(sys.argv[2])
                     foo = aes.encrypt(foo)
                     foo = zlib.compress(foo)
-                    foo = base64.b64encode(foo)
+                    foo = base64.urlsafe_b64encode(foo)
                     stdout_write(foo)
                     print()
                     sys.exit(0)