B4X Requires Chilkat v11.0.0+
Azure Fetch OpenID Connect metadata document

Downloads the OpenID Connect self-discovery document for an Azure OIDC enabled app.
Chilkat B4X Downloads

B4X
Dim success As Boolean = False

'  This example requires the Chilkat API to have been previously unlocked.
'  See Global Unlock Sample for sample code.

Dim http As ChilkatHttp
http.Initialize("http")

http.Accept = "application/json"

'  See the Microsoft Azure OIDC documentation at https://docs.microsoft.com/en-us/azure/active-directory/develop/v2-protocols-oidc
'  The "tenant" can take one of four values described in the documentation at the link above.

success = http.SetUrlVar("tenant", "6d8ddd66-68d1-44b0-af5c-e31b4b7ee5cd")
Dim resp As ChilkatHttpResponse
resp.Initialize
success = http.HttpNoBody("GET", "https://login.microsoftonline.com/{$tenant}/v2.0/.well-known/openid-configuration", resp)
If success = False Then
    Log(http.LastErrorText)
    Return
End If


Log("Response Status Code: " & resp.StatusCode)

Dim json As ChilkatJsonObject
json.Initialize
json.Load(resp.BodyStr)
json.EmitCompact = False
Log(json.Emit)

If resp.StatusCode <> 200 Then
    Log("Failed.")
    Return
End If


'  Sample output...
'  (See the parsing code below..)
'  
'  Use the this online tool to generate parsing code from sample JSON: 
'  Generate Parsing Code from JSON

'  {
'    "token_endpoint": "https://login.microsoftonline.com/6d8ddd66-68d1-44b0-af5c-e31b4b7ee5cd/oauth2/v2.0/token",
'    "token_endpoint_auth_methods_supported": [
'      "client_secret_post",
'      "private_key_jwt",
'      "client_secret_basic"
'    ],
'    "jwks_uri": "https://login.microsoftonline.com/6d8ddd66-68d1-44b0-af5c-e31b4b7ee5cd/discovery/v2.0/keys",
'    "response_modes_supported": [
'      "query",
'      "fragment",
'      "form_post"
'    ],
'    "subject_types_supported": [
'      "pairwise"
'    ],
'    "id_token_signing_alg_values_supported": [
'      "RS256"
'    ],
'    "response_types_supported": [
'      "code",
'      "id_token",
'      "code id_token",
'      "id_token token"
'    ],
'    "scopes_supported": [
'      "openid",
'      "profile",
'      "email",
'      "offline_access"
'    ],
'    "issuer": "https://login.microsoftonline.com/6d8ddd66-68d1-44b0-af5c-e31b4b7ee5cd/v2.0",
'    "request_uri_parameter_supported": false,
'    "userinfo_endpoint": "https://graph.microsoft.com/oidc/userinfo",
'    "authorization_endpoint": "https://login.microsoftonline.com/6d8ddd66-68d1-44b0-af5c-e31b4b7ee5cd/oauth2/v2.0/authorize",
'    "device_authorization_endpoint": "https://login.microsoftonline.com/6d8ddd66-68d1-44b0-af5c-e31b4b7ee5cd/oauth2/v2.0/devicecode",
'    "http_logout_supported": true,
'    "frontchannel_logout_supported": true,
'    "end_session_endpoint": "https://login.microsoftonline.com/6d8ddd66-68d1-44b0-af5c-e31b4b7ee5cd/oauth2/v2.0/logout",
'    "claims_supported": [
'      "sub",
'      "iss",
'      "cloud_instance_name",
'      "cloud_instance_host_name",
'      "cloud_graph_host_name",
'      "msgraph_host",
'      "aud",
'      "exp",
'      "iat",
'      "auth_time",
'      "acr",
'      "nonce",
'      "preferred_username",
'      "name",
'      "tid",
'      "ver",
'      "at_hash",
'      "c_hash",
'      "email"
'    ],
'    "kerberos_endpoint": "https://login.microsoftonline.com/6d8ddd66-68d1-44b0-af5c-e31b4b7ee5cd/kerberos",
'    "tenant_region_scope": "NA",
'    "cloud_instance_name": "microsoftonline.com",
'    "cloud_graph_host_name": "graph.windows.net",
'    "msgraph_host": "graph.microsoft.com",
'    "rbac_url": "https://pas.windows.net"
'  }



Dim strVal As String

Dim token_endpoint As String = json.StringOf("token_endpoint")
Dim jwks_uri As String = json.StringOf("jwks_uri")
Dim issuer As String = json.StringOf("issuer")
Dim request_uri_parameter_supported As Boolean = json.BoolOf("request_uri_parameter_supported")
Dim userinfo_endpoint As String = json.StringOf("userinfo_endpoint")
Dim authorization_endpoint As String = json.StringOf("authorization_endpoint")
Dim device_authorization_endpoint As String = json.StringOf("device_authorization_endpoint")
Dim http_logout_supported As Boolean = json.BoolOf("http_logout_supported")
Dim frontchannel_logout_supported As Boolean = json.BoolOf("frontchannel_logout_supported")
Dim end_session_endpoint As String = json.StringOf("end_session_endpoint")
Dim kerberos_endpoint As String = json.StringOf("kerberos_endpoint")
Dim tenant_region_scope As String = json.StringOf("tenant_region_scope")
Dim cloud_instance_name As String = json.StringOf("cloud_instance_name")
Dim cloud_graph_host_name As String = json.StringOf("cloud_graph_host_name")
Dim msgraph_host As String = json.StringOf("msgraph_host")
Dim rbac_url As String = json.StringOf("rbac_url")
Dim i As Int = 0
Dim count_i As Int = json.SizeOfArray("token_endpoint_auth_methods_supported")
Do While i < count_i
    json.I = i
    strVal = json.StringOf("token_endpoint_auth_methods_supported[i]")
    i = i + 1
Loop
i = 0
count_i = json.SizeOfArray("response_modes_supported")
Do While i < count_i
    json.I = i
    strVal = json.StringOf("response_modes_supported[i]")
    i = i + 1
Loop
i = 0
count_i = json.SizeOfArray("subject_types_supported")
Do While i < count_i
    json.I = i
    strVal = json.StringOf("subject_types_supported[i]")
    i = i + 1
Loop
i = 0
count_i = json.SizeOfArray("id_token_signing_alg_values_supported")
Do While i < count_i
    json.I = i
    strVal = json.StringOf("id_token_signing_alg_values_supported[i]")
    i = i + 1
Loop
i = 0
count_i = json.SizeOfArray("response_types_supported")
Do While i < count_i
    json.I = i
    strVal = json.StringOf("response_types_supported[i]")
    i = i + 1
Loop
i = 0
count_i = json.SizeOfArray("scopes_supported")
Do While i < count_i
    json.I = i
    strVal = json.StringOf("scopes_supported[i]")
    i = i + 1
Loop
i = 0
count_i = json.SizeOfArray("claims_supported")
Do While i < count_i
    json.I = i
    strVal = json.StringOf("claims_supported[i]")
    i = i + 1
Loop