Passing and verifying the OWIN Bearer token in Query String in WebAPI - asp.net-web-api

Short Version:
I need to pass and verify the OWIN bearing token as a query parameter rather than in the request header.
How do I then get the method to authorized based on that token string?
Background:
I want to call a webapi method to download a file as a stream (and never want the user to download it from a known file location).
I can't get this to work if I also need to set a custom Request header i.e. the bearer token.
I should be able to pass the token in the query string - but don't know how to get that token to then authenticate the user.
Do I need to filter? Do I need a special claim etc?
Does the webapi method need to include "access_token" as one of the function parameters?

For completeness, here's another neat solution.
Extract:
app.Use(async (context, next) =>
{
if (context.Request.QueryString.HasValue)
{
if (string.IsNullOrWhiteSpace(context.Request.Headers.Get("Authorization")))
{
var queryString = HttpUtility.ParseQueryString(context.Request.QueryString.Value);
string token = queryString.Get("access_token");
if (!string.IsNullOrWhiteSpace(token))
{
context.Request.Headers.Add("Authorization", new[] { string.Format("Bearer {0}", token) });
}
}
}
await next.Invoke();
});

I wrote about how that works here:
http://leastprivilege.com/2013/10/31/retrieving-bearer-tokens-from-alternative-locations-in-katanaowin/

or do it like this
app.UseIdentityServerBearerTokenAuthentication(new IdentityServerBearerTokenAuthenticationOptions
{
Authority = IdentityConfig.Authority,
RequiredScopes = new[] { "api" },
TokenProvider = new OAuthBearerAuthenticationProvider
{
OnRequestToken = ctx =>
{
if (String.IsNullOrWhiteSpace(ctx.Token) && ctx.Request.QueryString.HasValue)
{
NameValueCollection parsedQuery = HttpUtility.ParseQueryString(ctx.Request.QueryString.Value);
ctx.Token = parsedQuery["access_token"];
}
return Task.FromResult(0);
}
}
});

Related

How to send the Claims with token in web api

I have a WebApi in .NET Core with token authorization.
I followed a guide to implement it, but the response only shows the token, and it's ok, but I would like to see other claims.
This is my code:
public IActionResult Post([FromBody]Personal personal)
{
if (ModelState.IsValid)
{
var userId = GetUserIdFromCredentials(personal);
if (!userId.HasValue)
{
return Unauthorized();
}
var rolUsuario = _context.Personales.Include(p => p.RolPersonal).Select(x => x.RolPersonal.Descripcion).FirstOrDefault();
var claims = new[]
{
new Claim(JwtRegisteredClaimNames.Sub, rolUsuario),
new Claim(JwtRegisteredClaimNames.Email, personal.CorreoE),
new Claim(JwtRegisteredClaimNames.Jti, Guid.NewGuid().ToString()),
};
var token = new JwtSecurityToken
(
issuer: _configuration["Issuer"],
audience: _configuration["Audience"],
claims: claims,
expires: DateTime.UtcNow.AddHours(5),
notBefore: DateTime.UtcNow,
signingCredentials: new SigningCredentials(new SymmetricSecurityKey(Encoding.UTF8.GetBytes(_configuration["SigningKey"])),
SecurityAlgorithms.HmacSha256)
);
//var token_email = token.Claims.Where(w => w.Type == "email").Select(s => s.Value).FirstOrDefault();
//HttpContext.Session.SetString("token_email", token_email);
return Ok(new{ token = new JwtSecurityTokenHandler().WriteToken(token) });
}
return BadRequest();
}
The result looks like this:
{
"token": "eyJhbGciOiJ....oTT7KI6kcZy-o"
}
I would like to see the email claims for example:
{
"email": bla#bla.com,
"token": "eyJhbGciOiJ....oTT7KI6kcZy-o"
}
How can I achieve this?
You can simply extend the anonymous object that you're already using like this:
return Ok(new { email = personal.CorreoE, token = new JwtSecurityTokenHandler().WriteToken(token)});
The result will look like:
{"email":"email#exmaple.com","token":"eyJ....."}
Beside that, you can of course also decode the token on client side and extract all the claims that you added on server side.
Check https://jwt.io to see the contents of your token.

Web app and web api authentication in same application

I have a web app MVC,using auth0 owin regular web app cookie based authentication.
This web app also has webapis which is used internally in the application. However i have a requirement to call this webapis from outside the application. So i created a restclient and tried to implement jwtbearerauthentication in application (but cookie based on authentication still in place).
Now when i call the webapi from other application it validates the bearer token gives no error however it redirects to login page due to cookie based authentication.
startup file:
public partial class Startup
{
private IPlatform platform;
public void ConfigureAuth(IAppBuilder app, IPlatform p, IContainer container)
{
platform = p;
// Enable the application to use a cookie to store information for the signed in user
app.UseCookieAuthentication(new CookieAuthenticationOptions
{
AuthenticationType = DefaultAuthenticationTypes.ApplicationCookie,
LoginPath = new PathString("/Account/Login"),
ExpireTimeSpan = System.TimeSpan.FromDays(2),
SlidingExpiration = true
});
// Use a cookie to temporarily store information about a user logging in with a third party login provider
app.UseExternalSignInCookie(DefaultAuthenticationTypes.ExternalCookie);
var provider = new Auth0.Owin.Auth0AuthenticationProvider
{
OnReturnEndpoint = (context) =>
{
// xsrf validation
if (context.Request.Query["state"] != null && context.Request.Query["state"].Contains("xsrf="))
{
var state = HttpUtility.ParseQueryString(context.Request.Query["state"]);
AntiForgery.Validate(context.Request.Cookies["__RequestVerificationToken"], state["xsrf"]);
}
return System.Threading.Tasks.Task.FromResult(0);
},
OnAuthenticated = (context) =>
{
var identity = context.Identity;
//Add claims
var authenticationManager = container.Resolve<IAuthenticationManager>();
authenticationManager.AddClaims(identity);
if (context.Request.Query["state"] != null)
{
authenticationManager.AddReturnUrlInClaims(identity, context.Request.Query["state"]);
}
return System.Threading.Tasks.Task.FromResult(0);
}
};
var issuer = "https://" + ConfigurationManager.AppSettings["auth0:Domain"] + "/";
var audience = ConfigurationManager.AppSettings["auth0:ClientId"];
var secret = TextEncodings.Base64.Encode(TextEncodings.Base64Url.Decode(ConfigurationManager.AppSettings["auth0:ClientSecret"]));
app.UseJwtBearerAuthentication(
new JwtBearerAuthenticationOptions
{
AuthenticationMode = Microsoft.Owin.Security.AuthenticationMode.Active,
AllowedAudiences = new[] { audience },
IssuerSecurityTokenProviders = new IIssuerSecurityTokenProvider[]
{
new SymmetricKeyIssuerSecurityTokenProvider(issuer, secret)
}
});
app.UseAuth0Authentication(
clientId: platform.ServerRole.GetConfigurationSettingValue("auth0:ClientId"),
clientSecret: platform.ServerRole.GetConfigurationSettingValue("auth0:ClientSecret"),
domain: platform.ServerRole.GetConfigurationSettingValue("auth0:Domain"),
provider: provider);
}
}
webapiconfig file:
public static void Register(HttpConfiguration config)
{
// Web API routes
config.MapHttpAttributeRoutes();
config.Routes.MapHttpRoute("DefaultApi", "api/{controller}/{id}", new {id = RouteParameter.Optional});
config.Filters.Add(new AuthorizeAttribute());
ODataConfig.Setup(config);
var clientID = WebConfigurationManager.AppSettings["auth0:ClientId"];
var clientSecret = WebConfigurationManager.AppSettings["auth0:ClientSecret"];
config.MessageHandlers.Add(new JsonWebTokenValidationHandler()
{
Audience = clientID,
SymmetricKey = clientSecret
});
}
Currently creating the jwt token from below code and posting using postman in header just to check if it works.. but redirects to login page.
string token = JWT.Encode(payload, secretKey, JwsAlgorithm.HS256);
I suspect what's happening is that your call to the API has a bearer token which fails validation (or there is no Authorize token at all), your API controller has an Authorize attribute, which, since there is no valid ClaimsPrincipal on the call throws 401. Auth0AuthenticationProvider picks that and assumes the call was to UI so redirects for user authentication. You may want to add an override in the Oauth0Provider to trap OnRedirectToIdP (or something like that), inspect the request and if it is to API, abot further handling and return Unauthorized.
Remove any [Authorize] from your API and see whether it works then. Also make sure your startup does not require Authorize for all controllers.
You may want to remove the authn part of your code (cookie and Oauth2Provider) and see whether you are getting to the API then.
A few years late i know, but i recently came across the same requirement in a project, and found this sample put together by a dev at Auth0.
https://github.com/auth0-samples/aspnet-core-mvc-plus-webapi
The example in the link allows for cookie authentication OR token authentication for the API endpoints.
The key takeaway for me was using attributes on your routes to tell the pipline what authentication mechanism to use. In my case i wanted cookie authentication for the UI and token authentication for the endpoints. i had no requirement to use both for any single area of the project.
controller:
[Authorize(AuthenticationSchemes = JwtBearerDefaults.AuthenticationScheme)]
[HttpGet]
[Route("api")]
public string TestAuth()
{
return "All good " + this.User.FindFirst(ClaimTypes.NameIdentifier).Value + ". You only get this message if you are authenticated.";
}

Enable CORS for Web Api 2 and OWIN token authentication

I have an ASP.NET MVC 5 webproject (localhost:81) that calls functions from my WebApi 2 project (localhost:82) using Knockoutjs, to make the communication between the two projects I enable CORS. Everything works so far until I tried to implement OWIN token authentication to the WebApi.
To use the /token endpoint on the WebApi, I also need to enable CORS on the endpoint but after hours of trying and searching for solutions it is still now working and the api/token still results in:
XMLHttpRequest cannot load http://localhost:82/token. No 'Access-Control-Allow-Origin' header is present on the requested resource.
public void Configuration(IAppBuilder app)
{
app.UseCors(Microsoft.Owin.Cors.CorsOptions.AllowAll);
TokenConfig.ConfigureOAuth(app);
...
}
TokenConfig
public static void ConfigureOAuth(IAppBuilder app)
{
app.CreatePerOwinContext(ApplicationDbContext.Create);
app.CreatePerOwinContext<AppUserManager>(AppUserManager.Create);
OAuthAuthorizationServerOptions OAuthServerOptions = new OAuthAuthorizationServerOptions()
{
AllowInsecureHttp = true,
TokenEndpointPath = new PathString("/token"),
AccessTokenExpireTimeSpan = TimeSpan.FromDays(1),
Provider = new SimpleAuthorizationServerProvider()
};
app.UseOAuthAuthorizationServer(OAuthServerOptions);
app.UseOAuthBearerAuthentication(new OAuthBearerAuthenticationOptions());
}
AuthorizationProvider
public override async Task GrantResourceOwnerCredentials(OAuthGrantResourceOwnerCredentialsContext context)
{
context.OwinContext.Response.Headers.Add("Access-Control-Allow-Origin", new[] { "*" });
var appUserManager = context.OwinContext.GetUserManager<AppUserManager>();
IdentityUser user = await appUserManager.FindAsync(context.UserName, context.Password);
if (user == null)
{
context.SetError("invalid_grant", "The user name or password is incorrect.");
return;
}
... claims
}
IdentityConfig
public static AppUserManager Create(IdentityFactoryOptions<AppUserManager> options, IOwinContext context)
{
// Tried to enable it again without success.
//context.Response.Headers.Add("Access-Control-Allow-Origin", new[] {"*"});
var manager = new AppUserManager(new UserStore<AppUser>(context.Get<ApplicationDbContect>()));
...
var dataProtectionProvider = options.DataProtectionProvider;
if (dataProtectionProvider != null)
{
manager.UserTokenProvider =
new DataProtectorTokenProvider<AppUser>(dataProtectionProvider.Create("ASP.NET Identity"));
}
return manager;
}
EDIT:
1. Important note is that opening the endpoint directly (localhost:82/token) works.
2. Calling the Api (localhost:82/api/..) from the webproject also works, so the CORS is enabled for WebApi.
I know your issue was solved inside comments, but I believe is important to understand what was causing it and how to resolve this entire class of problems.
Looking at your code I can see you are setting the Access-Control-Allow-Origin header more than once for the Token endpoint:
app.UseCors(Microsoft.Owin.Cors.CorsOptions.AllowAll);
And inside GrantResourceOwnerCredentials method:
context.OwinContext.Response.Headers.Add("Access-Control-Allow-Origin", new[] { "*" });
This, looking at the CORS specifications, is itself an issue because:
If the response includes zero or more than one Access-Control-Allow-Origin header values, return fail and terminate this algorithm.
In your scenario, the framework is setting this header two times, and understanding how CORS must be implemented, this will result in the header removed in certain circumstances (possibly client-related).
This is also confirmed by the following question answer: Duplicate Access-Control-Allow-Origin: * causing COR error?
For this reason moving the call to app.UseCors after the call to ConfigureOAuth allows your CORS header to be set only once (because the owin pipeline is interrupted at the OAuth middleware, and never reaches the Microsoft CORS middleware for the Token endpoint) and makes your Ajax call working.
For a better and global solution you may try to put again app.UseCors before the OAuth middleware call, and remove the second Access-Control-Allow-Origin insertion inside GrantResourceOwnerCredentials.
Follow below steps and you will have your API working:
Remove any code like config.EnableCors(), [EnableCors(header:"*"....)] from your API.
Go to startup.cs and add below line
app.UseCors(Microsoft.Owin.Cors.CorsOptions.AllowAll);
before
ConfigureAuth(app);
Uou will also need to install Microsoft.owin.cors package to use this functionality
Solving the problem without using app.UseCors()
I had the same problem. I used a Vue.Js client with axois to access my REST-API with cross-corps. On my Owin-Api-Server I was not able to add Microsoft.Owin.Cors nuget due to version conflicts with other 3rd party components. So I couldn't use app.UseCors() method but I solved it by using the middleware pipeline.
private IDisposable _webServer = null;
public void Start(ClientCredentials credentials)
{
...
_webServer = WebApp.Start(BaseAddress, (x) => Configuration(x));
...
}
public void Configuration(IAppBuilder app)
{
...
// added middleware insted of app.UseCors(Microsoft.Owin.Cors.CorsOptions.AllowAll);
app.Use<MyOwinMiddleware>();
app.UseWebApi(config);
...
}
public class MyOwinMiddleware : OwinMiddleware
{
public MyOwinMiddleware(OwinMiddleware next) :
base(next)
{ }
public override async Task Invoke(IOwinContext context)
{
var request = context.Request;
var response = context.Response;
response.OnSendingHeaders(state =>
{
var resp = (IOwinResponse)state;
// without this headers -> client apps will be blocked to consume data from this api
if (!resp.Headers.ContainsKey("Access-Control-Allow-Origin"))
resp.Headers.Add("Access-Control-Allow-Origin", new[] { "*" });
if (!resp.Headers.ContainsKey("Access-Control-Allow-Headers"))
resp.Headers.Add("Access-Control-Allow-Headers", new[] { "*" });
if (!resp.Headers.ContainsKey("Access-Control-Allow-Methods"))
resp.Headers.Add("Access-Control-Allow-Methods", new[] { "*" });
// by default owin is blocking options not from same origin with MethodNotAllowed
if (resp.StatusCode == (int)HttpStatusCode.MethodNotAllowed &&
HttpMethod.Options == new HttpMethod(request.Method))
{
resp.StatusCode = (int)HttpStatusCode.OK;
resp.ReasonPhrase = HttpStatusCode.OK.ToString();
}
}, response);
await Next.Invoke(context);
}
}
So I created my own middleware and manipulated the response. GET calls only needed the Access-Control-Allow headers whereas for OPTIONS calls I also needed to manipulate the StatusCode because axois.post() is calling first with OPTIONS-method before sending the POST. If OPTIONS return StatusCode 405, the POST will never be sent.
This solved my problem. Maybe this can help somebody too.

How to add claims to access token get from IdentityServer3 using resource owner flow with javascript client

I use the resource owner flow with IdentityServer3 and send get token request to identity server token endpoint with username and password in javascript as below:
function getToken() {
var uid = document.getElementById("username").value;
var pwd = document.getElementById("password").value;
var xhr = new XMLHttpRequest();
xhr.onload = function (e) {
console.log(xhr.status);
console.log(xhr.response);
var response_data = JSON.parse(xhr.response);
if (xhr.status === 200 && response_data.access_token) {
getUserInfo(response_data.access_token);
getValue(response_data.access_token);
}
}
xhr.open("POST", tokenUrl);
var data = {
username: uid,
password: pwd,
grant_type: "password",
scope: "openid profile roles",
client_id: 'client_id'
};
var body = "";
for (var key in data) {
if (body.length) {
body += "&";
}
body += key + "=";
body += encodeURIComponent(data[key]);
}
xhr.setRequestHeader("Authorization", "Basic " + btoa(client_id + ":" + client_secret));
xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
xhr.send(body);
}
The access token is returned from identity server and user is authenticated. Then I use this token to send request to my Web Api.
The problem is that when I check if the user is assigned a role, I find the claim doesn't exist.
[Authorize]
// GET api/values
public IEnumerable<string> Get()
{
var id = RequestContext.Principal as ClaimsPrincipal;
bool geek = id.HasClaim("role", "Geek"); // false here
bool asset_mgr = id.HasClaim("role", "asset_manager"); // false here
return new string[] { "value1", "value2" };
}
Here is how the client is defined in identity server.
new Client
{
ClientName = "Client",
ClientId = "client_id",
Flow = Flows.ResourceOwner,
RequireConsent = false,
AllowRememberConsent = false,
AllowedScopes = new List<string>
{
"openid",
"profile",
"roles",
"sampleApi"
},
AbsoluteRefreshTokenLifetime = 86400,
SlidingRefreshTokenLifetime = 43200,
RefreshTokenUsage = TokenUsage.OneTimeOnly,
RefreshTokenExpiration = TokenExpiration.Sliding,
ClientSecrets = new List<Secret>
{
new Secret("4C701024-0770-4794-B93D-52B5EB6487A0".Sha256())
},
},
and this is how the user is defined:
new InMemoryUser
{
Username = "bob",
Password = "secret",
Subject = "1",
Claims = new[]
{
new Claim(Constants.ClaimTypes.GivenName, "Bob"),
new Claim(Constants.ClaimTypes.FamilyName, "Smith"),
new Claim(Constants.ClaimTypes.Role, "Geek"),
new Claim(Constants.ClaimTypes.Role, "Foo")
}
}
How can I add claims to the access_token in this case? Thanks a lot!
I have just spent a while figuring this out myself. #leastprivilege's comment on Yang's answer had the clue, this answer is just expanding on it.
It's all down to how the oAuth and OIDC specs evolved, it's not an artefact of IdentityServer (which is awesome).
Firstly, here is a fairly decent discussion of the differences between identity tokens and access tokens: https://github.com/IdentityServer/IdentityServer3/issues/2015 which is worth a read.
With Resource Owner flow, like you are doing, you will always get an Access Token. By default and per the spec, you shouldn't include claims in that token (see the above link for why). But, in practice, it is very nice when you can; it saves you extra effort on both client and server.
What Leastprivilege is referring to is that you need to create a scope, something like this:
new Scope
{
Name = "member",
DisplayName = "member",
Type = ScopeType.Resource,
Claims = new List<ScopeClaim>
{
new ScopeClaim("role"),
new ScopeClaim(Constants.ClaimTypes.Name),
new ScopeClaim(Constants.ClaimTypes.Email)
},
IncludeAllClaimsForUser = true
}
And then you need to request that scope when you ask for the token. I.e. your line
scope: "openid profile roles", should change to scope: "member", (well, I say that - scopes play a dual role here, as far as I can see - they are also a form of control, i.e. the client is asking for certain scopes and can be rejected if it is not allowed those but that is another topic).
Note the important line that eluded me for a while, which is Type = ScopeType.Resource (because Access Tokens are about controlling access to resources). This means it will apply to Access Tokens and the specified claims will be included in the token (I think, possibly, against spec but wonderfully).
Finally, in my example I have included both some specific claims as well as IncludeAllClaimsForUser which is obviously silly, but just wanted to show you some options.
I find I can achieve this by replacing the default IClaimsProvider of IdentityServerServiceFactory.
The cusomized IClaimsProvider is as below:
public class MyClaimsProvider : DefaultClaimsProvider
{
public MaccapClaimsProvider(IUserService users) : base(users)
{
}
public override Task<IEnumerable<Claim>> GetAccessTokenClaimsAsync(ClaimsPrincipal subject, Client client, IEnumerable<Scope> scopes, ValidatedRequest request)
{
var baseclaims = base.GetAccessTokenClaimsAsync(subject, client, scopes, request);
var claims = new List<Claim>();
if (subject.Identity.Name == "bob")
{
claims.Add(new Claim("role", "super_user"));
claims.Add(new Claim("role", "asset_manager"));
}
claims.AddRange(baseclaims.Result);
return Task.FromResult(claims.AsEnumerable());
}
public override Task<IEnumerable<Claim>> GetIdentityTokenClaimsAsync(ClaimsPrincipal subject, Client client, IEnumerable<Scope> scopes, bool includeAllIdentityClaims, ValidatedRequest request)
{
var rst = base.GetIdentityTokenClaimsAsync(subject, client, scopes, includeAllIdentityClaims, request);
return rst;
}
}
Then, replace the IClaimsProvider like this:
// custom claims provider
factory.ClaimsProvider = new Registration<IClaimsProvider>(typeof(MyClaimsProvider));
The result is that, when the request for access token is sent to token endpoint the claims are added to the access_token.
Not only that I tried other methods, I tried all possible combinations of scopes etc. All I could read in the access token was "scope", "scope name", for Resource Flow there were no claims I have added period.
I had to do all this
Add custom UserServiceBase and override AuthenticateLocalAsync since I have username/password there and I need both to fetch things from the database
Add claims that I need in the same function (this on itself will not add claim to Access Token, however you will able to read them in various ClaimsPrincipal parameters around)
Add custom DefaultClaimsProvider and override GetAccessTokenClaimsAsync where ClaimsPrincipal subject contains the claims I previously set, I just take them out and put again into ølist of claims for the result.
I guess this last step might be done overriding GetProfileDataAsync in the custom UserServiceBase, but the above just worked so I did not want to bother.
The general problem is not how to set claims, it is where you populate them. You have to override something somewhere.
This here worked for me since I needed data from a database, someone else should populate claims elsewhere. But they are not going to magically appear just because you nicely set Scopes and Claims Identity Server configurations.
Most of the answers say not a word about where to set the claim values properly. In each particular override you have done, the passed parameters, when they have claims, in the function are attached to identity or access token.
Just take care of that and all will be fine.

How to pass custom headers while calling a web api using Swagger(Swashbuckle)

We are using Swashbuckle to document our web apis and use it to test our web apis. I want to know how one can pass multiple custom headers with different values for each request using Swagger UI.
I have seen an answer like below in the internet to pass a header in Swagger UI but was unable to get my head around it. What's confusing is about the SwaggerExtensions file. What is the purpose of this file and why is there a mention of this file in the qualified name of the js file.
1.Add new file named “SwaggerExtensions”, then added new JS file named “onComplete.js”, you have to change the build action for this file to “Embedded Resource”.
2.Inside the file “onComplete.js” paste the following code:
$('#input_apiKey').change(function () {
var key = $('#input_apiKey')[0].value;
if (key && key.trim() != "") {
key = "Bearer " + key;
window.authorizations.add("key", new ApiKeyAuthorization("Authorization", key, "header"));
}
});
3.Open file “SwaggerConfig.cs” and inside the register method paste the code below:
SwaggerUiConfig.Customize(c =>
{
c.SupportHeaderParams = true;
c.InjectJavaScript(typeof(SwaggerConfig).Assembly, "AngularJSAuthentication.API.SwaggerExtensions.onComplete.js");
});
Swashbuckles implementation of swagger reads XML code comments to generate the required swagger specification. Unfortunately, if you require an authorization header (access token) to make requests, the XML code comments does not provide this info to Swashbuckle. You'll have to manually inject this new parameter during swagger specification generation.
Swashbuckle provides an interface called IOperationFilter to apply new parameters. Implementing this interface will look something like this.
public class AddAuthorizationHeaderParameterOperationFilter: IOperationFilter
{
public void Apply(Operation operation, SchemaRegistry schemaRegistry, ApiDescription apiDescription)
{
var filterPipeline = apiDescription.ActionDescriptor.GetFilterPipeline();
var isAuthorized = filterPipeline
.Select(filterInfo => filterInfo.Instance)
.Any(filter => filter is IAuthorizationFilter);
var allowAnonymous = apiDescription.ActionDescriptor.GetCustomAttributes<AllowAnonymousAttribute>().Any();
if (isAuthorized && !allowAnonymous)
{
operation.parameters.Add(new Parameter {
name = "Authorization",
#in = "header",
description = "access token",
required = true,
type = "string"
});
}
}
}
Inside your SwaggerConfig.cs file, add the following
public class SwaggerConfig
{
public static void Register()
{
var thisAssembly = typeof(SwaggerConfig).Assembly;
GlobalConfiguration.Configuration
.EnableSwagger(c =>
c.SingleApiVersion("v1", "API").Description("An API ")
.TermsOfService("Some terms")
.Contact(cc => cc.Name("Team")
.Email("team#team.com"));
c.OperationFilter(() => new AuthorizationHeaderParameterOperationFilter()));
}
}
Swashbuckle suggest to use InjectJavaScript to accomplish this.
https://github.com/domaindrivendev/Swashbuckle#injectjavascript
I use the following code to add a bearer token for authorization in http header.
httpConfiguration
.EnableSwagger(c => c.SingleApiVersion("v1", "A title for your API")) co
.EnableSwaggerUi(c =>
{
c.InjectJavaScript(containingAssembly, "ProjectName.SwaggerUIEnableBearerToken.js");
});
SwaggerUIEnableBearerToken.js
$(function () {
$('#input_apiKey').attr("placeholder", "bearer token");
$('#input_apiKey').off();
$('#input_apiKey').change(function () {
var token = this.value;
if (token && token.trim() !== '') {
token = 'Bearer ' + token;
var apiKeyAuth = new window.SwaggerClient.ApiKeyAuthorization("Authorization", token, "header");
window.swaggerUi.api.clientAuthorizations.add("token", apiKeyAuth);
}
}
});
})();
See more from this issue thread:
https://github.com/domaindrivendev/Swashbuckle/issues/222
You can add a parameter with SwaggerUI :
swaggerUi.api.clientAuthorizations.add("key", new SwaggerClient.ApiKeyAuthorization("api_key", key, "header"));
I have stumbled across this question when trying to add a custom header containing some authentication information. This article suggests a way to accomplish this without injecting JavaScript (pure .NET approach) by providing a SecurityDefinition when configuring swagger integration:
services.AddSwaggerGen(c =>
{
c.SwaggerDoc("v1.0", new Info { Title = "Main API v1.0", Version = "v1.0" });
// Swagger 2.+ support
var security = new Dictionary<string, IEnumerable<string>>
{
{"Bearer", new string[] { }},
};
c.AddSecurityDefinition("Bearer", new ApiKeyScheme
{
Description = "JWT Authorization header using the Bearer scheme. Example: \"Authorization: Bearer {token}\"",
Name = "Authorization",
In = "header",
Type = "apiKey"
});
c.AddSecurityRequirement(security);
});
This always to define a security token at API level or method level (some sort of log in) and this token will be used for all subsequent requests until logged out.

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