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Merge pull request #2329 from sky1045/feature/jwt
Introduce JWT Authentication for GraphQL(Optional)
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85 changes: 85 additions & 0 deletions
85
NineChronicles.Headless/Middleware/JwtAuthenticationMiddleware.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| using System; | ||
| using System.IdentityModel.Tokens.Jwt; | ||
| using System.Linq; | ||
| using System.Security.Claims; | ||
| using System.Text; | ||
| using System.Threading.Tasks; | ||
| using Microsoft.AspNetCore.Http; | ||
| using Microsoft.Extensions.Configuration; | ||
| using Microsoft.Extensions.Primitives; | ||
| using Microsoft.IdentityModel.Tokens; | ||
| using Newtonsoft.Json; | ||
| using Serilog; | ||
|
|
||
| namespace NineChronicles.Headless.Middleware; | ||
|
|
||
| public class JwtAuthenticationMiddleware : IMiddleware | ||
| { | ||
| private readonly ILogger _logger; | ||
| private readonly JwtSecurityTokenHandler _tokenHandler = new JwtSecurityTokenHandler(); | ||
| private readonly TokenValidationParameters _validationParams; | ||
|
|
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| public JwtAuthenticationMiddleware(IConfiguration configuration) | ||
| { | ||
| _logger = Log.Logger.ForContext<JwtAuthenticationMiddleware>(); | ||
| var jwtConfig = configuration.GetSection("Jwt"); | ||
| var issuer = jwtConfig["Issuer"] ?? ""; | ||
| var key = jwtConfig["Key"] ?? ""; | ||
| _validationParams = new TokenValidationParameters | ||
| { | ||
| ValidateIssuer = true, | ||
| ValidateAudience = false, | ||
| ValidateLifetime = true, | ||
| ValidateIssuerSigningKey = true, | ||
| ValidIssuer = issuer, | ||
| IssuerSigningKey = new SymmetricSecurityKey(Encoding.ASCII.GetBytes(key.PadRight(512 / 8, '\0'))) | ||
| }; | ||
| } | ||
|
|
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| public async Task InvokeAsync(HttpContext context, RequestDelegate next) | ||
| { | ||
| context.Request.Headers.TryGetValue("Authorization", out var authorization); | ||
| if (authorization.Count > 0) | ||
| { | ||
| try | ||
| { | ||
| var (scheme, token) = ExtractSchemeAndToken(authorization); | ||
| if (scheme == "Bearer") | ||
| { | ||
| ValidateTokenAndAddClaims(context, token); | ||
| } | ||
| } | ||
| catch (Exception e) | ||
| { | ||
| _logger.Error($"Authorization error {e.Message}"); | ||
| context.Response.StatusCode = 401; | ||
| context.Response.ContentType = "application/json"; | ||
| await context.Response.WriteAsync( | ||
| JsonConvert.SerializeObject( | ||
| new { errpr = e.Message } | ||
| )); | ||
| return; | ||
| } | ||
| } | ||
| await next(context); | ||
| } | ||
|
|
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| private (string scheme, string token) ExtractSchemeAndToken(StringValues authorizationHeader) | ||
| { | ||
| var headerValues = authorizationHeader[0].Split(" "); | ||
| if (headerValues.Length < 2) | ||
| { | ||
| throw new ArgumentException("Invalid Authorization header format."); | ||
| } | ||
|
|
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| return (headerValues[0], headerValues[1]); | ||
| } | ||
|
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| private void ValidateTokenAndAddClaims(HttpContext context, string token) | ||
| { | ||
| _tokenHandler.ValidateToken(token, _validationParams, out SecurityToken validatedToken); | ||
| var jwt = (JwtSecurityToken)validatedToken; | ||
| var claims = jwt.Claims.Select(claim => new Claim(claim.Type, claim.Value)); | ||
| context.User.AddIdentity(new ClaimsIdentity(claims)); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| namespace NineChronicles.Headless.Properties; | ||
|
|
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| public class JwtOptions | ||
| { | ||
| public bool EnableJwtAuthentication { get; } | ||
|
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| public string Key { get; } = ""; | ||
|
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| public string Issuer { get; } = "planetariumhq.com"; | ||
| } |