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Co-authored-by: Roland Guijt <[email protected]>
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@@ -1,5 +1,5 @@ | ||
+++ | ||
title = "DPop" | ||
title = "DPoP" | ||
weight = 40 | ||
chapter = false | ||
+++ | ||
|
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@@ -1,100 +1,10 @@ | ||
+++ | ||
title = "Calling Protocol Endpoints" | ||
title = "Endpoints" | ||
weight = 10 | ||
chapter = true | ||
+++ | ||
|
||
Calling Protocol Endpoints | ||
======== | ||
Endpoints | ||
======= | ||
|
||
IdentityModel contains client libraries for many interactions with | ||
endpoints defined in OpenID Connect and OAuth 2.0. All of these | ||
libraries have a common design, let\'s examine the various layers using | ||
the client for the token endpoint. | ||
|
||
Request and response objects | ||
---------------------------- | ||
|
||
All protocol request are modelled as request objects and have a common | ||
base class called *ProtocolRequest* which has properties to set the | ||
endpoint address, client ID, client secret, client assertion, and the | ||
details of how client secrets are transmitted (e.g. authorization header | ||
vs POST body). *ProtocolRequest* derives from *HttpRequestMessage* and | ||
thus also allows setting custom headers etc. | ||
|
||
The following code snippet creates a request for a client credentials | ||
grant type: | ||
|
||
```cs | ||
var request = new ClientCredentialsTokenRequest | ||
{ | ||
Address = "https://demo.identityserver.io/connect/token", | ||
ClientId = "client", | ||
ClientSecret = "secret" | ||
}; | ||
``` | ||
|
||
While in theory you could now call *Prepare* (which internally sets the | ||
headers, body and address) and send the request via a plain | ||
*HttpClient*, typically there are more parameters with special semantics | ||
and encoding required. That\'s why we provide extension methods to do | ||
the low level work. | ||
|
||
Equally, a protocol response has a corresponding *ProtocolResponse* | ||
implementation that parses the status codes and response content. The | ||
following code snippet would parse the raw HTTP response from a token | ||
endpoint and turn it into a *TokenResponse* object: | ||
|
||
```cs | ||
var tokenResponse = await ProtocolResponse | ||
.FromHttpResponseAsync<TokenResponse>(httpResponse); | ||
``` | ||
|
||
Again these steps are automated using the extension methods. So let\'s | ||
have a look at an example next. | ||
|
||
Extension methods | ||
----------------- | ||
|
||
For each protocol interaction, an extension method for | ||
*HttpMessageInvoker* (that's the base class of *HttpClient*) exists. | ||
The extension methods expect a request object and return a response | ||
object. | ||
|
||
It is your responsibility to setup and manage the lifetime of the | ||
*HttpClient*, e.g. manually: | ||
|
||
```cs | ||
var client = new HttpClient(); | ||
|
||
var response = await client.RequestClientCredentialsTokenAsync( | ||
new ClientCredentialsTokenRequest | ||
{ | ||
Address = "https://demo.identityserver.io/connect/token", | ||
ClientId = "client", | ||
ClientSecret = "secret" | ||
}); | ||
``` | ||
|
||
You might want to use other techniques to obtain an *HttpClient*, e.g. | ||
via the HTTP client factory: | ||
|
||
```cs | ||
var client = HttpClientFactory.CreateClient("my_named_token_client"); | ||
|
||
var response = await client.RequestClientCredentialsTokenAsync( | ||
new ClientCredentialsTokenRequest | ||
{ | ||
Address = "https://demo.identityserver.io/connect/token", | ||
ClientId = "client", | ||
ClientSecret = "secret" | ||
}); | ||
``` | ||
|
||
All other endpoint client follow the same design. | ||
|
||
{{% notice note %}} | ||
Some client libraries also include a stateful client object (e.g. | ||
*TokenClient* and *IntrospectionClient*). See the corresponding section | ||
to find out more. | ||
{{% /notice %}} | ||
{{%children style="h4" /%}} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,99 @@ | ||
+++ | ||
title = "General Usage" | ||
weight = 10 | ||
+++ | ||
|
||
General Usage | ||
======== | ||
|
||
IdentityModel contains client libraries for many interactions with | ||
endpoints defined in OpenID Connect and OAuth 2.0. All of these | ||
libraries have a common design, let\'s examine the various layers using | ||
the client for the token endpoint. | ||
|
||
Request and response objects | ||
---------------------------- | ||
|
||
All protocol request are modelled as request objects and have a common | ||
base class called *ProtocolRequest* which has properties to set the | ||
endpoint address, client ID, client secret, client assertion, and the | ||
details of how client secrets are transmitted (e.g. authorization header | ||
vs POST body). *ProtocolRequest* derives from *HttpRequestMessage* and | ||
thus also allows setting custom headers etc. | ||
|
||
The following code snippet creates a request for a client credentials | ||
grant type: | ||
|
||
```cs | ||
var request = new ClientCredentialsTokenRequest | ||
{ | ||
Address = "https://demo.identityserver.io/connect/token", | ||
ClientId = "client", | ||
ClientSecret = "secret" | ||
}; | ||
``` | ||
|
||
While in theory you could now call *Prepare* (which internally sets the | ||
headers, body and address) and send the request via a plain | ||
*HttpClient*, typically there are more parameters with special semantics | ||
and encoding required. That\'s why we provide extension methods to do | ||
the low level work. | ||
|
||
Equally, a protocol response has a corresponding *ProtocolResponse* | ||
implementation that parses the status codes and response content. The | ||
following code snippet would parse the raw HTTP response from a token | ||
endpoint and turn it into a *TokenResponse* object: | ||
|
||
```cs | ||
var tokenResponse = await ProtocolResponse | ||
.FromHttpResponseAsync<TokenResponse>(httpResponse); | ||
``` | ||
|
||
Again these steps are automated using the extension methods. So let\'s | ||
have a look at an example next. | ||
|
||
Extension methods | ||
----------------- | ||
|
||
For each protocol interaction, an extension method for | ||
*HttpMessageInvoker* (that's the base class of *HttpClient*) exists. | ||
The extension methods expect a request object and return a response | ||
object. | ||
|
||
It is your responsibility to setup and manage the lifetime of the | ||
*HttpClient*, e.g. manually: | ||
|
||
```cs | ||
var client = new HttpClient(); | ||
|
||
var response = await client.RequestClientCredentialsTokenAsync( | ||
new ClientCredentialsTokenRequest | ||
{ | ||
Address = "https://demo.identityserver.io/connect/token", | ||
ClientId = "client", | ||
ClientSecret = "secret" | ||
}); | ||
``` | ||
|
||
You might want to use other techniques to obtain an *HttpClient*, e.g. | ||
via the HTTP client factory: | ||
|
||
```cs | ||
var client = HttpClientFactory.CreateClient("my_named_token_client"); | ||
|
||
var response = await client.RequestClientCredentialsTokenAsync( | ||
new ClientCredentialsTokenRequest | ||
{ | ||
Address = "https://demo.identityserver.io/connect/token", | ||
ClientId = "client", | ||
ClientSecret = "secret" | ||
}); | ||
``` | ||
|
||
All other endpoint client follow the same design. | ||
|
||
{{% notice note %}} | ||
Some client libraries also include a stateful client object (e.g. | ||
*TokenClient* and *IntrospectionClient*). See the corresponding section | ||
to find out more. | ||
{{% /notice %}} |
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