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Delphi DLL Requires Chilkat v11.0.0+

Azure Fetch OpenID Connect metadata document

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

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Download Chilkat for Delphi DLL
Delphi DLL 
var
success: Boolean;
http: HCkHttp;
resp: HCkHttpResponse;
json: HCkJsonObject;
strVal: PWideChar;
token_endpoint: PWideChar;
jwks_uri: PWideChar;
issuer: PWideChar;
request_uri_parameter_supported: Boolean;
userinfo_endpoint: PWideChar;
authorization_endpoint: PWideChar;
device_authorization_endpoint: PWideChar;
http_logout_supported: Boolean;
frontchannel_logout_supported: Boolean;
end_session_endpoint: PWideChar;
kerberos_endpoint: PWideChar;
tenant_region_scope: PWideChar;
cloud_instance_name: PWideChar;
cloud_graph_host_name: PWideChar;
msgraph_host: PWideChar;
rbac_url: PWideChar;
i: Integer;
count_i: Integer;

begin
success := False;

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

http := CkHttp_Create();

CkHttp_putAccept(http,'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 := CkHttp_SetUrlVar(http,'tenant','6d8ddd66-68d1-44b0-af5c-e31b4b7ee5cd');
resp := CkHttpResponse_Create();
success := CkHttp_HttpNoBody(http,'GET','https://login.microsoftonline.com/{$tenant}/v2.0/.well-known/openid-configuration',resp);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

Memo1.Lines.Add('Response Status Code: ' + IntToStr(CkHttpResponse_getStatusCode(resp)));

json := CkJsonObject_Create();
CkJsonObject_Load(json,CkHttpResponse__bodyStr(resp));
CkJsonObject_putEmitCompact(json,False);
Memo1.Lines.Add(CkJsonObject__emit(json));

if (CkHttpResponse_getStatusCode(resp) <> 200) then
  begin
    Memo1.Lines.Add('Failed.');
    Exit;
  end;

//  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"
//  }

token_endpoint := CkJsonObject__stringOf(json,'token_endpoint');
jwks_uri := CkJsonObject__stringOf(json,'jwks_uri');
issuer := CkJsonObject__stringOf(json,'issuer');
request_uri_parameter_supported := CkJsonObject_BoolOf(json,'request_uri_parameter_supported');
userinfo_endpoint := CkJsonObject__stringOf(json,'userinfo_endpoint');
authorization_endpoint := CkJsonObject__stringOf(json,'authorization_endpoint');
device_authorization_endpoint := CkJsonObject__stringOf(json,'device_authorization_endpoint');
http_logout_supported := CkJsonObject_BoolOf(json,'http_logout_supported');
frontchannel_logout_supported := CkJsonObject_BoolOf(json,'frontchannel_logout_supported');
end_session_endpoint := CkJsonObject__stringOf(json,'end_session_endpoint');
kerberos_endpoint := CkJsonObject__stringOf(json,'kerberos_endpoint');
tenant_region_scope := CkJsonObject__stringOf(json,'tenant_region_scope');
cloud_instance_name := CkJsonObject__stringOf(json,'cloud_instance_name');
cloud_graph_host_name := CkJsonObject__stringOf(json,'cloud_graph_host_name');
msgraph_host := CkJsonObject__stringOf(json,'msgraph_host');
rbac_url := CkJsonObject__stringOf(json,'rbac_url');
i := 0;
count_i := CkJsonObject_SizeOfArray(json,'token_endpoint_auth_methods_supported');
while i < count_i do
  begin
    CkJsonObject_putI(json,i);
    strVal := CkJsonObject__stringOf(json,'token_endpoint_auth_methods_supported[i]');
    i := i + 1;
  end;

i := 0;
count_i := CkJsonObject_SizeOfArray(json,'response_modes_supported');
while i < count_i do
  begin
    CkJsonObject_putI(json,i);
    strVal := CkJsonObject__stringOf(json,'response_modes_supported[i]');
    i := i + 1;
  end;

i := 0;
count_i := CkJsonObject_SizeOfArray(json,'subject_types_supported');
while i < count_i do
  begin
    CkJsonObject_putI(json,i);
    strVal := CkJsonObject__stringOf(json,'subject_types_supported[i]');
    i := i + 1;
  end;

i := 0;
count_i := CkJsonObject_SizeOfArray(json,'id_token_signing_alg_values_supported');
while i < count_i do
  begin
    CkJsonObject_putI(json,i);
    strVal := CkJsonObject__stringOf(json,'id_token_signing_alg_values_supported[i]');
    i := i + 1;
  end;

i := 0;
count_i := CkJsonObject_SizeOfArray(json,'response_types_supported');
while i < count_i do
  begin
    CkJsonObject_putI(json,i);
    strVal := CkJsonObject__stringOf(json,'response_types_supported[i]');
    i := i + 1;
  end;

i := 0;
count_i := CkJsonObject_SizeOfArray(json,'scopes_supported');
while i < count_i do
  begin
    CkJsonObject_putI(json,i);
    strVal := CkJsonObject__stringOf(json,'scopes_supported[i]');
    i := i + 1;
  end;

i := 0;
count_i := CkJsonObject_SizeOfArray(json,'claims_supported');
while i < count_i do
  begin
    CkJsonObject_putI(json,i);
    strVal := CkJsonObject__stringOf(json,'claims_supported[i]');
    i := i + 1;
  end;

CkHttp_Dispose(http);
CkHttpResponse_Dispose(resp);
CkJsonObject_Dispose(json);