update

wp-content/plugins/password-protect-page/core/js/single-password-form.js

@@ -0,0 +1,67 @@
+/* Single Password Form js*/
+
+(function ($) {
+  $(document).ready(function () {
+    $('form.ppw-post-password-form.post-password-form').bind('submit', handleSubmitBtn);
+  });
+
+  function handleSubmitBtn(evt) {
+	evt.preventDefault();
+	$form = $(this);
+	$inputs = $form.find('input, textarea');
+	var values = {};
+	var $submitBtn = {};
+	$inputs.each(function() {
+	  if ( 'Submit' !== this.name ) {
+		if ($(this).prop('type') === 'checkbox' && !$(this).prop('checked')) {
+		  return;
+		}
+		values[this.name] = $(this).val();
+	  } else {
+		$submitBtn = $(this);
+	  }
+	});
+	values['nonce'] = ppw_data.nonce;
+	values['action'] = 'ppw_validate_password';
+
+	$submitBtn.prop("disabled", true);
+	sendRequestToValidatePassword(
+	    values,
+	  function(data, error) {
+		$submitBtn.prop("disabled", false);
+		var $message = $form.find('div.ppw-ppf-error-msg');
+		if (error) {
+		  if ($message.length === 0) {
+			var message = error.responseJSON && error.responseJSON.message ? error.responseJSON.message : 'Please enter the correct password!';
+			$form.append('<div class="ppwp-wrong-pw-error ppw-ppf-error-msg">' + message + '</div>');
+		  }
+
+		  return;
+		}
+
+		if (data.redirect) {
+		  window.location.href = data['redirect_to'];
+		  return;
+		}
+
+		$message.remove();
+		$form.parent().replaceWith(data.post_content)
+	  }
+	);
+  }
+
+  function sendRequestToValidatePassword(_data, cb) {
+	$.ajax({
+	  url: ppw_data.ajaxUrl,
+	  type: 'POST',
+	  data: _data,
+	  success: function (data) {
+		cb(data, null);
+	  },
+	  error: function (error) {
+		cb(null, error);
+	  },
+	  timeout: 10000
+	})
+  }
+})(jQuery);