/// <summary>
/// 登录验证码
/// </summary>
public void VerifyCode_GET()
{
string word = null;
VerifyCode v = new VerifyCode();
var font = v.GetDefaultFont();
try
{
font = new System.Drawing.Font(font.FontFamily, 16);
v.AllowRepeat = false;
Response.BinaryWrite(v.GraphicDrawImage(4,
VerifyWordOptions.Letter,
!true,
font,
60,
out word));
VerifyCodeManager.AddWord(word);
Response.ContentType = "Image/Jpeg";
}
catch (Exception exc)
{
if (font != null)
{
font.Dispose();
}
throw exc;
}
}
public ActionResult GetPicCaptchas()
{
var codeMaker = new VerifyCode();
codeMaker.SetPageNoCache(Response);
Session["picVerify"] = codeMaker.Paint(Response.OutputStream);
return null;
}
/// <summary>
/// 验证码
/// </summary>
/// <returns></returns>
public ActionResult GetAuthCode()
{
VerifyCode verifyCode = new VerifyCode();
byte[] img = verifyCode.GetVerifyCode();
return(File(img, @"image/png"));
}
protected void Page_Load(object sender, EventArgs e)
{
//禁用客户端缓存
Response.Buffer = true;
Response.ExpiresAbsolute = System.DateTime.Now.AddSeconds(-1);
Response.Expires = 0;
Response.CacheControl = "no-cache";
VerifyCode v = new VerifyCode();
v.Length = this.length;
v.FontSize = this.fontSize;
v.Chaos = this.chaos;
v.BackgroundColor = this.backgroundColor;
v.ChaosColor = this.chaosColor;
v.CodeSerial = this.codeSerial;
v.Colors = this.colors;
v.Fonts = this.fonts;
v.Padding = this.padding;
string code = v.CreateVerifyCode(); //取随机码
v.CreateImageOnPage(code, this.Context); // 输出图片
Session["CheckVerifyCode"] = code.ToLower(); // 使用Session["CheckCode"]取验证码的值
//Response.Cookies.Add(new HttpCookie("VerifyCode", code.ToLower()));// 使用Cookies取验证码的值
}
public string Post(FormCollection form)
{
const string tipFMT = "<script type=\"text/javascript\">alert('{0}')</script>";
string nickname = form["post_name"],
title = form["post_title"],
tag = form["post_type"],
verifyCode = form["verifycode"],
content = form["editor"];
if (content.Length == 0)
{
return(String.Format(tipFMT, "请输入内容"));
}
else if (verifyCode == "" || !VerifyCode.Verify(verifyCode, true))
{
return(String.Format(tipFMT, "验证码不正确!"));
}
Category catalog = cbll.Get(a => a.Tag == tag);
string id = bll.Create(new Archive
{
Author = nickname,
CatalogID = catalog.ID,
Content = content,
Tags = "",
Source = "",
Title = title,
ViewCount = 1,
Visible = true
});
return(String.Format("<script type=\"text/javascript\">alert('发布成功！');window.parent.location.href='/s_{0}/';</script>", id));
}
public IActionResult GetVerifyCodeImage()
{
string code = string.Empty;
byte[] buffer = VerifyCode.Create(4, out code);
return(File(buffer, @"image/jpeg"));
}
/// <summary>
/// 验证码
/// </summary>
public void VerifyImage()
{
VerifyCode v = new VerifyCode();
v.AllowRepeat = false;
v.DisplayAsVerifyImage(4, VerifyWordOptions.Letter);
}
public string Show(string id, FormCollection form)
{
const string tipFMT = "<script type=\"text/javascript\">alert('{0}')</script>";
string view_name = form["view_name"];
if (String.IsNullOrEmpty(view_name))
{
return(String.Format(tipFMT, "名称不能为空!"));
}
else if (form["verifycode"] == "" || !VerifyCode.Verify(form["verifycode"], true))
{
return(String.Format(tipFMT, "验证码不正确!"));
}
string content = form["editor"];
if (content.Length == 0)
{
return(String.Format(tipFMT, "请输入内容!"));
}
//去掉HTML
//补充用户
content = String.Format("(u:'{0}'){1}", view_name, content);
cmbll.InsertComment(id, 0, content);
return("<script type=\"text/javascript\">alert('评论成功！');window.parent.location.reload();</script>");
}
public async Task <bool> RegisterVerifyEmail(string email)
{
var DB = Context.Request.HttpContext.RequestServices.GetRequiredService <PomeloContext>();
var EmailSender = Context.Request.HttpContext.RequestServices.GetRequiredService <IEmailSender>();
// 将先前的验证码作废
var codes = DB.VerifyCodes
.Where(x => x.Email == email && x.Type == VerifyCodeType.Register && x.Expire > DateTime.Now && !x.IsUsed)
.ToList();
foreach (var c in codes)
{
c.Expire = DateTime.Now;
}
// 将验证码信息写入数据库
var VerifyCode = new VerifyCode {
Expire = DateTime.Now.AddHours(1), Email = email, Code = (new Random()).Next(1000, 9999), Type = VerifyCodeType.Register
};
DB.VerifyCodes.Add(VerifyCode);
DB.SaveChanges();
await EmailSender.SendEmailAsync(email, "Retrieve Password Letter", "Your code is: " + VerifyCode.Code);
return(true);
}
public async Task <ActionResult> VerifyCode(VerifyCode model)
{
if (!ModelState.IsValid)
{
//return View(model);
}
// The following code protects for brute force attacks against the two factor codes.
// If a user enters incorrect codes for a specified amount of time then the user account
// will be locked out for a specified amount of time.
// You can configure the account lockout settings in IdentityConfig
var result = await SignInManager.TwoFactorSignInAsync(model.Provider, model.Code, isPersistent : model.RememberMe, rememberBrowser : model.RememberBrowser);
switch (result)
{
case SignInStatus.Success:
//return RedirectToLocal(model.ReturnUrl);
case SignInStatus.LockedOut:
//return View("Lockout");
case SignInStatus.Failure:
default:
ModelState.AddModelError("", @"Invalid code.");
//return View(model);
}
}
public IActionResult VerifyCode()
{
#region 防止网页后退--禁止缓存
Response.Headers.Add("Cache-Control", "no-cache, no-store, must-revalidate"); // HTTP 1.1.
Response.Headers.Add("Pragma", "no-cache"); // HTTP 1.0.
Response.Headers.Add("Expires", "-1"); // Proxies.
#endregion
Random r = new Random();
string code = r.Next(10000, 100000).ToString();
SetSession(SessionSetting.AdminLoginCode, code);
VerifyCode vimg = new VerifyCode();
vimg.FontSize = 30;
var bytes = vimg.CreateImageBytes(code);
var AcceptEncodings = Request.Headers["Accept-Encoding"].ToString().Replace(" ", "").Split(',');
if (AcceptEncodings.Contains("br"))
{
Response.Headers["Content-Encoding"] = "br";
bytes = CompressionUtil.BrCompress(bytes, true);
}
else if (AcceptEncodings.Contains("gzip"))
{
Response.Headers["Content-Encoding"] = "gzip";
bytes = CompressionUtil.GzipCompress(bytes, true);
}
return(File(bytes, "image/jpg"));
}
public async Task <IActionResult> VerifyCode(VerifyCode model)
{
if (!ModelState.IsValid)
{
return(View(model));
}
var result = await _signInManager.TwoFactorSignInAsync(
provider : model.Provider,
code : model.Code,
isPersistent : model.RememberMe,
rememberClient : model.BrowserRemember
);
if (result.Succeeded)
{
return(RedirectToLocal(model.ReturnTo));
}
if (result.IsLockedOut)
{
return(View("LockOut"));
}
ModelState.AddModelError(nameof(model.Code), "کد وارد شده معتبر نمی باشد");
return(View(model));
}
protected override void ParseBody()
{
Decrypt(_secretKey);
VerifyType = reader.ReadByte();
reader.BEReadChar();
Status = reader.ReadByte();
reader.ReadBytes(4);
user.QQ_PACKET_00BAVerifyToken = reader.ReadBytes(reader.BEReadChar());
VerifyCode = reader.ReadBytes(reader.BEReadChar());
VerifyCommand = reader.ReadByte();
if (VerifyCommand == 0x00)
{
VerifyCommand = reader.ReadByte();
}
reader.ReadByte();
if (user.QQ_PACKET_00BAVerifyCode?.Length == 0 || user.QQ_PACKET_00BAVerifyCode == null)
{
user.QQ_PACKET_00BAVerifyCode = VerifyCode;
}
else
{
var resultArr = new byte[user.QQ_PACKET_00BAVerifyCode.Length + VerifyCode.Length];
user.QQ_PACKET_00BAVerifyCode.CopyTo(resultArr, 0);
VerifyCode.CopyTo(resultArr, user.QQ_PACKET_00BAVerifyCode.Length);
user.QQ_PACKET_00BAVerifyCode = resultArr;
}
user.QQ_PACKET_00BAToken = reader.ReadBytes(reader.BEReadChar());
reader.ReadBytes(reader.BEReadChar());
}
public IActionResult GetAuthCode()
{
byte[] img = new VerifyCode().GetVerifyCode(out CodeString);
//设置验证码Session
HttpContext.Session.SetString("Code", CodeString);
return(File(img, @"image/Gif"));
}
public ActionResult CreateVerifyCode()
{
VerifyCode vc = new VerifyCode();
byte[] result = vc.GetVerifyCode();
return(File(result, "image/jpeg jpeg jpg jpe"));
}
public ActionResult VerifyCode()
{
VerifyCode verify = new VerifyCode();
WebHelper.SetSession(Keys.SESSION_KEY_VCODE, verify.Text.ToLower());
return(File(verify.Image, "image/jpeg"));
}
/// <summary>
/// 验证码
/// </summary>
/// <param name="context"></param>
public void VerifyCode(HttpContext context)
{
string word = null;
VerifyCode v = new VerifyCode();
var font = v.GetDefaultFont();
try
{
font = new System.Drawing.Font(font.FontFamily, 16);
v.AllowRepeat = false;
context.Response.BinaryWrite(v.GraphicDrawImage(4,
VerifyWordOptions.Number,
!true,
font,
30,
out word));
}
catch
{
if (font != null)
{
font.Dispose();
}
}
context.Response.ContentType = "Image/Jpeg";
VerifyCodeManager.AddWord(word);
}
public void GenerateToDb()
{
List <char> Resource = new List <char> {
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'X', 'Y', 'Z', 'T', 'U', 'V'
};
Random rand = new Random();
context.Database.ExecuteSqlCommand("TRUNCATE TABLE [VerifyCodes]"); context.SaveChanges();
for (int j = 0; j < 100; j++)
{
VerifyCode Randomstring = new VerifyCode();
Randomstring.Code = "";
for (int i = 0; i < 6; i++)
{
int randnumber = rand.Next(0, Resource.Count() - 1);
Randomstring.Code = Resource[randnumber] + Randomstring.Code;
}
if (context.VerifyCodes.Find(Randomstring.Code) == null)
{
context.VerifyCodes.Add(Randomstring); context.SaveChanges();
}
else
{
j--;
}
}
}
public void VerifyImg(string length, string opt, string usefor)
{
int _length; //验证码长度
VerifyWordOptions _opt; //验证码选项
string verifycode; //验证码
if (String.IsNullOrEmpty(length) || !Regex.IsMatch(length, "^\\d+$"))
{
_length = 4;
}
else
{
_length = int.Parse(length);
}
if (String.IsNullOrEmpty(opt) || !Regex.IsMatch(opt, "^\\d$"))
{
_opt = VerifyWordOptions.Number;
}
else
{
_opt = (VerifyWordOptions)int.Parse(opt);
}
VerifyCode v = new VerifyCode();
v.AllowRepeat = false;
//显示验证码
v.RenderGraphicImage(_length, _opt, true, out verifycode, "Image/Jpeg");
//保存验证码
Session["$cms.verifycode"] = verifycode;
}
public void GetVerifyCode()
{
string randomcode = VerifyCode.CreateRandomCode(4);
HttpContext.Current.Session["VerifyCode"] = randomcode;
VerifyCode.CreateImage(randomcode);
}
protected override void ParseBody(ByteBuffer byteBuffer)
{
//密文
byte[] CipherText = byteBuffer.ToByteArray();
//明文
bodyDecrypted = QQTea.Decrypt(CipherText, byteBuffer.Position, CipherText.Length - byteBuffer.Position - 1, _secretKey);
//提取数据
ByteBuffer buf = new ByteBuffer(bodyDecrypted);
VerifyType = buf.Get();
buf.GetChar();
Status = buf.Get();
buf.GetByteArray(4);
user.QQ_PACKET_00BAVerifyToken = buf.GetByteArray(buf.GetChar());
VerifyCode = buf.GetByteArray(buf.GetChar());
VerifyCommand = buf.Get();
if (VerifyCommand == 0x00)
{
VerifyCommand = buf.Get();
}
buf.Get();
if (user.QQ_PACKET_00BAVerifyCode?.Length == 0 || user.QQ_PACKET_00BAVerifyCode == null)
{
user.QQ_PACKET_00BAVerifyCode = VerifyCode;
}
else
{
byte[] resultArr = new byte[user.QQ_PACKET_00BAVerifyCode.Length + VerifyCode.Length];
user.QQ_PACKET_00BAVerifyCode.CopyTo(resultArr, 0);
VerifyCode.CopyTo(resultArr, user.QQ_PACKET_00BAVerifyCode.Length);
user.QQ_PACKET_00BAVerifyCode = resultArr;
}
user.QQ_PACKET_00BAToken = buf.GetByteArray(buf.GetChar());
buf.GetByteArray(buf.GetChar());
}
public async Task <IActionResult> VerifyCode(VerifyCode model)
{
if (!_accessor.ActionContext.ModelState.IsValid)
{
return(new OkObjectResult(model));
}
// The following code protects for brute force attacks against the two factor codes.
// If a user enters incorrect codes for a specified amount of time then the user account
// will be locked out for a specified amount of time.
var result = await _signInManager.TwoFactorSignInAsync(model.Provider, model.Code, model.RememberMe, model.RememberBrowser);
if (result.Succeeded)
{
return(RedirectToLocal(model.ReturnUrl));
}
if (result.IsLockedOut)
{
_logger.LogWarning(7, "User account locked out.");
return(new OkObjectResult("Lockout"));
}
else
{
_accessor.ActionContext.ModelState.AddModelError(string.Empty, "Invalid code.");
return(new OkObjectResult(model));
}
}
public JsonResult sendemail(string email)
{
var res = new Result <string>();
string msg = string.Empty;
//查看邮箱是否存在
int id = _memberService.SendEmail(email, out msg);
if (id > 0)
{
Session[Constant.FindPwd] = id;
//生成验证码
string code = VerifyCode.GetVerifyCode(6);
Session[email] = code;
//发送邮件
//var send = new EmailUtility(Constant.EmailAccount, Constant.EmailPwd, Constant.Email_smtp, Constant.Email_port);
//Task.Factory.StartNew(() =>
//{
// send.Send("nsda", email, "找回密码", $"您的验证码是{code}");
// _emailLogService.Insert(new EmailLogRequest
// {
// Account = email,
// Content = $"您的验证码是{code}"
// });
//});
res.flag = true;
return(Json(res, JsonRequestBehavior.DenyGet));
}
else
{
res.flag = false;
res.msg = msg;
return(Json(res, JsonRequestBehavior.DenyGet));
}
}
protected void Page_Load(object sender, EventArgs e)
{
VerifyCode v = new VerifyCode();
v.Length = this.length;
v.FontSize = this.fontSize;
v.Chaos = this.chaos;
v.BackgroundColor = this.backgroundColor;
v.ChaosColor = this.chaosColor;
v.CodeSerial = this.codeSerial;
v.Colors = this.colors;
v.Fonts = this.fonts;
v.Padding = this.padding;
string code = v.CreateVerifyCode(); //取随机码
v.CreateImageOnPage(code, this.Context); // 输出图片
// 用于验证的Session
//Session["ValidateCode_Page"] = null;
//Session["ValidateCode_Page"] = str_ValidateCode;
// 使用Cookies取验证码的值
if (LJSheng.Common.LCommon.IsURLName(Request.QueryString["name"]))
{
Response.Cookies.Add(new HttpCookie(Request.QueryString["name"], code.ToUpper())); // 使用Cookies取验证码的值
}
else
{
Response.Cookies.Add(new HttpCookie("CheckCode", code.ToUpper())); // 使用Cookies取验证码的值
}
}
public ActionResult DeleteConfirmed(long id)
{
VerifyCode verifyCode = db.VerifyCodes.Find(id);
db.VerifyCodes.Remove(verifyCode);
db.SaveChanges();
return(RedirectToAction("Index"));
}
/// <summary>
/// 获取验证码
/// </summary>
/// <returns></returns>
public ActionResult GetVerifiedCode()
{
string codeStr;
byte[] arr = new VerifyCode().GetVerifyCode(out codeStr);
Session.Add("Verifycode", codeStr);
return(File(arr, @"image/Gif"));
}
/// <summary>
/// 验证码
/// </summary>
/// <returns></returns>
public ActionResult GetVerifyCode(string type)
{
string code = VerifyCode.CreateRandomCode(4).ToLower();
LoginUser.Instance.VerificationCode = code;
byte[] bytes = VerifyCode.CreateImage(code);
return(File(bytes, @"image/jpeg"));
}
protected void Page_Load(object sender, EventArgs e)
{
VerifyCode vf = new VerifyCode();
string verifyCode = vf.CreateVerifyCode(4);
Session["verifyCode"] = verifyCode;
vf.CreateImageOnPage(verifyCode, HttpContext.Current);
}
public ActionResult GetAuthCode()
{
string pic_code = "";
byte[] b = new VerifyCode().GetVerifyCode(ref pic_code);
HttpContext.Session.SetString("pic_code", pic_code);//存入session
return(File(b, @"image/Gif"));
}
public async Task <ActionResult> GetAuthCode()
{
VerifyCode vc = new VerifyCode();
byte[] content = await vc.GetVerifyCode(HttpContext);
return(File(content, @"image/Gif"));
}
public ActionResult GetPicCaptchas()
{
var codeMaker = new VerifyCode();
codeMaker.SetPageNoCache(Response);
Session["picVerify"] = codeMaker.Paint(Response.OutputStream);
return(null);
}
/// <summary>
/// 产生验证码
/// </summary>
/// <param name="id">The id.</param>
/// <param name="d">The d.</param>
/// <returns></returns>
public ActionResult Vcode(string id, string d)
{
VerifyCode v = new VerifyCode();
string code = v.CreateVerifyCode(); //取随机码
Session[id] = code;
v.Padding = 10;
byte[] bytes = v.CreateImage(code);
return File(bytes, @"image/jpeg");
}
protected void Page_Load(object sender, EventArgs e)
{
VerifyCode v = new VerifyCode();
string code = v.CreateVerifyCode(4);//验证码长度
v.CreateImageOnPage(code, this.Context);
if (!string.IsNullOrEmpty(Request.QueryString["name"]))
{
Session[Request.QueryString["name"].Trim()] = code;
}
Session["VerifyCode"] = code;
}
/// <summary>
/// 登录验证码
/// </summary>
public void VerifyCode_GET()
{
string word = null;
VerifyCode v = new VerifyCode();
var font = v.GetDefaultFont();
try
{
font = new System.Drawing.Font(font.FontFamily, 16);
v.AllowRepeat = false;
Response.BinaryWrite(v.GraphicDrawImage(4,
VerifyWordOptions.Letter,
!true,
font,
60,
out word));
}
catch
{
if (font != null)
{
font.Dispose();
}
}
Response.ContentType = "Image/Jpeg";
VerifyCodeManager.AddWord(word);
}
protected void Page_Load(object sender, EventArgs e)
{
VerifyCode v = new VerifyCode();
v.Length = this.length;
v.FontSize = this.fontSize;
v.Chaos = this.chaos;
v.BackgroundColor = this.backgroundColor;
v.ChaosColor = this.chaosColor;
v.CodeSerial = this.codeSerial;
v.Colors = this.colors;
v.Fonts = this.fonts;
v.Padding = this.padding;
string code = v.CreateVerifyCode(); //取随机码
v.CreateImageOnPage(code, this.Context); // 输出图片
Response.Cookies.Add(new HttpCookie("CheckCode", code.ToUpper()));// 使用Cookies取验证码的值
}
public void VerifyImg(string length, string opt,string usefor)
{
int _length; //验证码长度
VerifyWordOptions _opt; //验证码选项
string verifycode; //验证码
if (String.IsNullOrEmpty(length) || !Regex.IsMatch(length, "^\\d+$"))
{
_length = 4;
}
else
{
_length = int.Parse(length);
}
if (String.IsNullOrEmpty(opt) || !Regex.IsMatch(opt, "^\\d$"))
{
_opt = VerifyWordOptions.Number;
}
else
{
_opt = (VerifyWordOptions)int.Parse(opt);
}
VerifyCode v = new VerifyCode();
v.AllowRepeat = false;
//显示验证码
v.RenderGraphicImage(_length, _opt, true, out verifycode, "Image/Jpeg");
//保存验证码
Session["$cms.verifycode"]=verifycode;
}
/// <summary>
/// 验证码
/// </summary>
public void VerifyImage()
{
VerifyCode v = new VerifyCode();
v.AllowRepeat = false;
v.DisplayAsVerifyImage(4, VerifyWordOptions.Letter);
}
/// <summary>
/// 验证码
/// </summary>
/// <param name="context"></param>
public void VerifyCode(HttpContext context)
{
string word = null;
var v = new VerifyCode();
var font = v.GetDefaultFont();
try
{
font = new Font(font.FontFamily, 16);
v.AllowRepeat = false;
context.Response.BinaryWrite(v.GraphicDrawImage(4,
VerifyWordOptions.Number,
!true,
font,
30,
out word));
}
catch
{
if (font != null)
{
font.Dispose();
}
}
context.Response.ContentType = "Image/Jpeg";
VerifyCodeManager.AddWord(word);
}
/// <summary>保存验证码</summary>
public static Guid SaveVerifyCode(string verifyCodeText)
{
if(string.IsNullOrWhiteSpace(verifyCodeText)) throw new Exception("输入的验证码不能为空！");
using (AccountEntities dbContext = new AccountEntities()){
//CreateTime不可空，虽然有默认值，但Linq要显式传入时间，否则会变成NULL而出错
VerifyCode verifyCode = new VerifyCode
{
VerifyText = verifyCodeText,
Guid = Guid.NewGuid(),
CreateTime = DateTime.Now
};
dbContext.VerifyCode.Add(verifyCode);
dbContext.SaveChanges(); //不加Try/Catch的话不会弹出错误
return verifyCode.Guid;
}
}
public ActionResult Vcode(string d,string id = "")
{
VerifyCode v = new VerifyCode();
string code = v.CreateVerifyCode() + ""; //取随机码
Session[Miaow.function.Helper.SessionNameLogin] = code;
v.Padding = 10;
byte[] bytes = v.CreateImage(code);
return File(bytes, @"image/jpeg");
}
