/// <summary>
/// Html Helper to build and render the Captcha control
/// </summary>
/// <param name="helper">HtmlHelper class provides a set of helper methods whose purpose is to help you create HTML controls programmatically</param>
/// <returns></returns>
public static string GenerateCaptcha(this HtmlHelper helper)
{
var captchaControl = new RecaptchaControl
{
ID = "recaptcha",
Theme = "red", //http://wiki.recaptcha.net/index.php/Theme
PublicKey = ConfigurationManager.AppSettings["ReCaptchaPublicKey"],
PrivateKey = ConfigurationManager.AppSettings["ReCaptchaPrivateKey"]
};
var htmlWriter = new HtmlTextWriter(new StringWriter());
captchaControl.RenderControl(htmlWriter);
return htmlWriter.InnerWriter.ToString();
}
public static string GenerateReCaptcha(this HtmlHelper helper, string id, string theme)
{
if (string.IsNullOrEmpty(Settings.ReCaptchaPublicKey) || string.IsNullOrEmpty(Settings.ReCaptchaPrivateKey))
throw new ApplicationException("reCAPTCHA needs to be configured with a public & private key.");
RecaptchaControl recaptchaControl1 = new RecaptchaControl();
recaptchaControl1.ID = id;
recaptchaControl1.Theme = theme;
recaptchaControl1.PublicKey = Settings.ReCaptchaPublicKey;
recaptchaControl1.PrivateKey = Settings.ReCaptchaPrivateKey;
RecaptchaControl recaptchaControl2 = recaptchaControl1;
HtmlTextWriter writer = new HtmlTextWriter(new StringWriter());
recaptchaControl2.RenderControl(writer);
return writer.InnerWriter.ToString();
}
public static MvcHtmlString GenerateCaptcha(this HtmlHelper helper)
{
var control = new RecaptchaControl
{
ID = "recaptcha",
Theme = "clean",
PublicKey = ConfigurationManager.AppSettings["ReCaptchaPublicKey"],
PrivateKey = ConfigurationManager.AppSettings["ReCaptchaPrivateKey"]
};
var writer = new HtmlTextWriter(new StringWriter());
control.RenderControl(writer);
var html = writer.InnerWriter.ToString();
return MvcHtmlString.Create(html);
}
/// <summary>
/// Html Helper to build and render the Captcha control
/// </summary>
/// <param name="helper">HtmlHelper class provides a set of helper methods whose purpose is to help you create HTML controls programmatically</param>
/// <returns></returns>
public static IHtmlString GenerateCaptcha(this HtmlHelper helper, string theme = "clean")
{
var captchaControl = new RecaptchaControl
{
ID = "recaptcha",
Theme = theme,
PublicKey = ConfigurationManager.AppSettings["ReCaptchaPublicKey"],
PrivateKey = ConfigurationManager.AppSettings["ReCaptchaPrivateKey"]
};
var htmlWriter = new HtmlTextWriter(new StringWriter());
captchaControl.RenderControl(htmlWriter);
return new HtmlString(htmlWriter.InnerWriter.ToString());
}
public static MvcHtmlString Generate(this HtmlHelper helper)
{
var captchaControl = new Recaptcha.RecaptchaControl
{
ID = "recaptcha",
Theme = "clean",
PublicKey = CaptchaValidatorAttribute.PUBLIC_KEY,
PrivateKey = CaptchaValidatorAttribute.PRIVATE_KEY
};
var htmlWriter = new HtmlTextWriter(new StringWriter());
captchaControl.RenderControl(htmlWriter);
return new MvcHtmlString(htmlWriter.InnerWriter.ToString());
}
public static string GenerateCaptcha(this HtmlHelper helper)
{
// Registered under [email protected]
RecaptchaControl captchaControl = new RecaptchaControl
{
ID = "recaptcha",
Theme = "white",
PublicKey = "6Lfvw8ISAAAAADr79kKTnEopgt7-HUzAcR2vzSsb",
PrivateKey = "6Lfvw8ISAAAAAPj5Xlu-DZ7EPF21bvzB3z65STHr"
};
HtmlTextWriter htmlWriter = new HtmlTextWriter(new StringWriter());
captchaControl.RenderControl(htmlWriter);
return htmlWriter.InnerWriter.ToString();
}
protected override void CreateChildControls()
{
base.CreateChildControls();
//lbl = new Label();
//lbl.Visible = false;
//lbl.ID = "lblResult";
//this.Controls.Add(lbl);
captcha = new RecaptchaControl();
captcha.Theme="red";
captcha.PublicKey = "6LcDZM8SAAAAACRZLSGSISnDMMVTsE7oQmSOstXM";
captcha.PrivateKey = "6LcDZM8SAAAAAHiWOJFvcLai5dWndgKHarZHhBkT";
this.Controls.Add(captcha);
}
public static MvcHtmlString Generate(this HtmlHelper helper)
{
var captchaControl = new Recaptcha.RecaptchaControl
{
ID = "recaptcha",
Theme = "clean",
PublicKey = CaptchaValidatorAttribute.PUBLIC_KEY,
PrivateKey = CaptchaValidatorAttribute.PRIVATE_KEY
};
var htmlWriter = new HtmlTextWriter(new StringWriter());
captchaControl.RenderControl(htmlWriter);
return(new MvcHtmlString(htmlWriter.InnerWriter.ToString()));
}
/// <summary>
/// Generates CAPTCHA HTML using reCAPTCHA.
/// </summary>
/// <param name="htmlHelper">The view's HTML helper.</param>
/// <param name="fallbackMessage">An optional message to display above the CAPTCHA when it is displayed as a fallback.</param>
/// <returns>The reCAPTCHA HTML.</returns>
public IHtmlString Generate(
HtmlHelper htmlHelper,
string fallbackMessage = null)
{
if (htmlHelper == null)
{
throw new ArgumentNullException("htmlHelper");
}
IConfigurationSource configurationSource = GetConfigurationSource();
var publicApiKey = configurationSource.GetConfigurationValue(Const.ReCaptchaPublicKeyAppSettingKey);
if (publicApiKey == null)
{
if (!htmlHelper.ViewContext.HttpContext.Request.IsLocal)
throw new InvalidOperationException(ErrorMessage.DefaultReCaptchApiKeysOnlyAllowedForLocalRequest);
publicApiKey = Const.ReCaptchaLocalhostPublicKey;
}
var privateApiKey = configurationSource.GetConfigurationValue(Const.ReCaptchaPrivateKeyAppSettingKey);
if (privateApiKey == null)
{
if (!htmlHelper.ViewContext.HttpContext.Request.IsLocal)
throw new InvalidOperationException(ErrorMessage.DefaultReCaptchApiKeysOnlyAllowedForLocalRequest);
privateApiKey = Const.ReCaptchaLocalhostPrivateKey;
}
var recaptchaControl = new RecaptchaControl
{
ID = Const.ReCaptchControlId,
PublicKey = publicApiKey,
PrivateKey = privateApiKey,
};
var htmlWriter = new HtmlTextWriter(new StringWriter());
recaptchaControl.RenderControl(htmlWriter);
var captchaHtml = htmlWriter.InnerWriter.ToString();
const string template = @"<div class=""PoliteCaptcha editor-field""><span class=""field-validation-error"" data-valmsg-for=""PoliteCaptcha""><span htmlfor=""PoliteCaptcha"">{0}</span></span>{1}</div>";
return new MvcHtmlString(string.Format(template, fallbackMessage ?? Const.DefaulFallbackMessage, captchaHtml));
}
public static MvcHtmlString GenerateCaptcha(this HtmlHelper helper)
{
var captchaSettings = EngineContext.Current.Resolve<CaptchaSettings>();
// cho phép cấu hình theme cho recaptcha google từ settings, cấu hình này có thể là xanh đỏ tím vàng gì gì đó
string theme = string.IsNullOrEmpty(captchaSettings.ReCaptchaTheme)
? "white"
: captchaSettings.ReCaptchaTheme;
var recaptchaControl = new RecaptchaControl
{
ID = "recaptcha",
Theme = theme,
PublicKey = captchaSettings.ReCaptchaPublicKey,
PrivateKey = captchaSettings.ReCaptchaPrivateKey
};
var htmlWriter = new HtmlTextWriter(new StringWriter());
recaptchaControl.RenderControl(htmlWriter);
return new MvcHtmlString(htmlWriter.InnerWriter.ToString());
}
/// <summary>
/// Html Helper to build and render the Captcha control
/// </summary>
/// <param name="helper">HtmlHelper class provides a set of helper methods whose purpose is to help you create HTML controls programmatically</param>
/// <returns></returns>
public static string GenerateCaptcha(this HtmlHelper helper)
{
if (IsDisabled()) return string.Empty;
var captchaControl = new RecaptchaControl
{
ID = "recaptcha",
Theme = "clean", //http://wiki.recaptcha.net/index.php/Theme
PublicKey = ReCaptchaPublicKey,
PrivateKey = ReCaptchaPrivateKey
};
if (string.IsNullOrEmpty(ReCaptchaPublicKey) || string.IsNullOrEmpty(ReCaptchaPrivateKey))
return string.Empty;
var htmlWriter = new HtmlTextWriter(new StringWriter());
captchaControl.RenderControl(htmlWriter);
return htmlWriter.InnerWriter.ToString();
}
/// <summary>
/// Renders the Recaptcha control as HTML, if recaptcha is enabled.
/// </summary>
public static MvcHtmlString RenderCaptcha(this HtmlHelper helper)
{
if (RoadkillSettings.IsRecaptchaEnabled)
{
RecaptchaControl control = new RecaptchaControl();
control.ID = "recaptcha";
control.Theme = "clean";
control.PublicKey = RoadkillSettings.RecaptchaPublicKey;
control.PrivateKey = RoadkillSettings.RecaptchaPrivateKey;
using (StringWriter stringWriter = new StringWriter())
{
using (HtmlTextWriter htmlWriter = new HtmlTextWriter(stringWriter))
{
stringWriter.WriteLine("<br/><label class=\"userlabel\">As an anti-spam measure, please enter the two words below</label><br style=\"clear:both\"><br/>");
control.RenderControl(htmlWriter);
stringWriter.WriteLine("<br/>");
return MvcHtmlString.Create(htmlWriter.InnerWriter.ToString());
}
}
}
else
{
return MvcHtmlString.Empty;
}
}