2017-05-30 18 views
4

我正在生成JWT以與我的WebApi項目一起使用。我將令牌設置爲在一分鐘內過期,以便我可以測試它是否在到期日期之後提交時拒絕令牌。.NetCore JwtBearerAuthentication不拒絕過期的令牌

CreateToken控制器

public async Task<IActionResult> CreateToken([FromBody] CredentialModel model) 
{ 
    var user = await _unitOfWork.UserManager.FindByNameAsync(model.UserName); 

    if (user == null) return BadRequest(); 
    if (Hasher.VerifyHashedPassword(user, user.PasswordHash, model.Password) != 
     PasswordVerificationResult.Success) return BadRequest(); 

    var userClaims = awaitUserManager.GetClaimsAsync(user); 

    var claims = new[] 
    { 
     new Claim(JwtRegisteredClaimNames.Sub, user.UserName), 
     new Claim(JwtRegisteredClaimNames.Jti, Guid.NewGuid().ToString()), 
     new Claim(JwtRegisteredClaimNames.Iat, DateTime.UtcNow.ToString()), 
     new Claim(JwtRegisteredClaimNames.GivenName, user.FirstName), 
     new Claim(JwtRegisteredClaimNames.FamilyName, user.LastName), 
     new Claim(JwtRegisteredClaimNames.Email, user.Email) 
    } 
    .Union(userClaims); 

    var cert = new Certificate(Configuration["Tokens:Certificate"]); 
    var token = new JwtSecurityToken(
     issuer: Configuration["Tokens:Issuer"], 
     audience: Configuration["Tokens:Audience"], 
     claims: claims, 
     expires: DateTime.UtcNow.AddMinutes(1), 
     signingCredentials: cert.Signature 
    ); 

    return Ok(new 
    { 
     token = new JwtSecurityTokenHandler().WriteToken(token), 
     expiration = token.ValidTo 
    }); 
} 

令牌認證 - 啓動類

app.UseJwtBearerAuthentication(new JwtBearerOptions() 
{ 
    AutomaticAuthenticate = true, 
    AutomaticChallenge = true, 
    TokenValidationParameters = new TokenValidationParameters() 
    { 
     ValidIssuer = Configuration["Tokens:Issuer"], 
     ValidAudience = Configuration["Tokens:Audience"], 
     ValidateIssuerSigningKey = true, 
     IssuerSigningKey = new Certificate(Configuration["Tokens:Certificate"]).SecurityKey, 
     ValidateLifetime = true 
    }, 
}); 

雖然我設置validateLifetime =真托克斯(Tokes)沒有否決兩分鐘後。它將繼續接受令牌。是否有最低到期時間,我不知道或者我的設置錯誤?

+0

我不認爲你有這個代碼的可運行版本,是嗎?無論如何,我查找了'UseJwtBearerAuthentication'的文檔,看起來它已被廢棄:/ https://github.com/aspnet/Security/blob/99aa3bd35dd5fbe46a93eef8a2c8ab1f9fe8d05b/src/Microsoft.AspNetCore.Authentication.JwtBearer/JwtBearerAppBuilderExtensions。 cs –

+0

@MariaInesParnisari是的,我的代碼正在運行,令牌的簽發和驗證工作。除了我寫入的用於導入不對稱X509Certificate2的小型證書類以外,幾乎所有的功能都在這裏。它似乎並不總是驗證到期。我看着你的鏈接,似乎不贊成。但我沒有看到替代它的東西。 – Dblock247

+0

我的意思是如果這個代碼在GitHub中託管,所以我可以下載它並自己嘗試。當您說驗證有效時,您是否嘗試過手動更改令牌的任何其他屬性(例如受衆)以查看驗證失敗? –

回答

4

如果有人感興趣,我偶然發現了答案here

app.UseJwtBearerAuthentication(new JwtBearerOptions() 
{ 
    AutomaticAuthenticate = true, 
    AutomaticChallenge = true, 
    TokenValidationParameters = new TokenValidationParameters() 
    { 
     ValidIssuer = Configuration["Tokens:Issuer"], 
     ValidAudience = Configuration["Tokens:Audience"], 
     ValidateIssuerSigningKey = true, 
     IssuerSigningKey = new Certificate(certPath: Configuration["Tokens:Certificate"], isValid: false).SecurityKey, 
     ValidateLifetime = true, 
     ValidateIssuer = true, 
     ValidateAudience = true, 
     ClockSkew = TimeSpan.Zero 
    }, 
}); 
+2

將clockskew設置爲Zero時要小心。您可能會遇到與某些客戶有關的問題。 –

+0

@CyprienAutexier雖然這是真的,但大的到期時間窗口可能不會有問題。對於相反的情況:如果你嚴格限制令牌可能過期的速度,你可能會*想*限制時鐘歪斜 – Rob

+0

@CyprienAutexier 1分鐘到期僅用於測試。我會增加生產。 Clockskew和過期時間的任何推薦值。 – Dblock247