public CaptchaResult GetCaptcha(int width, int height)
{
Guid captchaToken;
string captchaAnswer;
string requestorIpAddress = String.Empty;
if (HttpContext.Current != null)
{
requestorIpAddress = HttpContext.Current.Request.UserHostAddress;
}
DataAccess.Captcha.GetNewCaptchaAnswer(requestorIpAddress, out captchaToken, out captchaAnswer);
Common.Utility.CaptchaImage captchaImage = new Common.Utility.CaptchaImage(captchaAnswer, width, height);
MemoryStream memoryStream = new MemoryStream();
captchaImage.Image.Save(memoryStream, ImageFormat.Jpeg);
CaptchaResult returnValue = new CaptchaResult()
{
CaptchaImage = memoryStream.GetBuffer(),
CaptchaToken = captchaToken
};
return(returnValue);
}
protected void Page_Load(object sender, EventArgs e)
{
byte[] imageData = null;
int width = 200;
int height = 100;
// Prevent people from slamming this page.
lock (_syncObject)
{
Thread.Sleep(250);
}
if (string.IsNullOrEmpty(Request.Params["token"]) == false &&
string.IsNullOrEmpty(Request.Params["width"]) == false &&
string.IsNullOrEmpty(Request.Params["height"]) == false &&
Int32.TryParse(Request.Params["width"], out width) == true &&
Int32.TryParse(Request.Params["height"], out height) == true)
{
Guid captchaToken = new Guid(Request.Params["token"]);
using (CSSDataContext db = new CSSDataContext())
{
var captcha = db.Captchas.FirstOrDefault(p => p.Id == captchaToken);
if (captcha != null)
{
ACSSAuth.Common.Utility.CaptchaImage captchaImage = new Common.Utility.CaptchaImage(captcha.Answer, width, height);
MemoryStream imageStream = new MemoryStream();
captchaImage.Image.Save(imageStream, ImageFormat.Jpeg);
imageData = imageStream.GetBuffer();
}
}
}
if (imageData == null)
{
imageData = File.ReadAllBytes(Server.MapPath("~/Images/dg_banned.png"));
}
Response.ContentType = "image/jpeg";
Response.AppendHeader("Content-Length", imageData.Length.ToString());
Response.BinaryWrite(imageData);
Response.End();
}
protected void Page_Load(object sender, EventArgs e)
{
byte[] imageData = null;
int width = 200;
int height = 100;
// Prevent people from slamming this page.
lock (_syncObject)
{
Thread.Sleep(250);
}
if (string.IsNullOrEmpty(Request.Params["token"]) == false
&& string.IsNullOrEmpty(Request.Params["width"]) == false
&& string.IsNullOrEmpty(Request.Params["height"]) == false
&& Int32.TryParse(Request.Params["width"], out width) == true
&& Int32.TryParse(Request.Params["height"], out height) == true)
{
Guid captchaToken = new Guid(Request.Params["token"]);
using (CSSDataContext db = new CSSDataContext())
{
var captcha = db.Captchas.FirstOrDefault(p => p.Id == captchaToken);
if (captcha != null)
{
Allegiance.CommunitySecuritySystem.Common.Utility.CaptchaImage captchaImage = new Common.Utility.CaptchaImage(captcha.Answer, width, height);
MemoryStream imageStream = new MemoryStream();
captchaImage.Image.Save(imageStream, ImageFormat.Jpeg);
imageData = imageStream.GetBuffer();
}
}
}
if (imageData == null)
imageData = File.ReadAllBytes(Server.MapPath("~/Images/dg_banned.png"));
Response.ContentType = "image/jpeg";
Response.AppendHeader("Content-Length", imageData.Length.ToString());
Response.BinaryWrite(imageData);
Response.End();
}
public CaptchaResult GetCaptcha(int width, int height)
{
Guid captchaToken;
string captchaAnswer;
string requestorIpAddress = String.Empty;
if (HttpContext.Current != null)
requestorIpAddress = HttpContext.Current.Request.UserHostAddress;
DataAccess.Captcha.GetNewCaptchaAnswer(requestorIpAddress, out captchaToken, out captchaAnswer);
Common.Utility.CaptchaImage captchaImage = new Common.Utility.CaptchaImage(captchaAnswer, width, height);
MemoryStream memoryStream = new MemoryStream();
captchaImage.Image.Save(memoryStream, ImageFormat.Jpeg);
CaptchaResult returnValue = new CaptchaResult()
{
CaptchaImage = memoryStream.GetBuffer(),
CaptchaToken = captchaToken
};
return returnValue;
}
