Delphi ActiveX
OneLogin OIDC - Get Discovery Document (OpenID Connect)

Downloads the OpenID Connect self-discovery document for a OneLogin OIDC enabled app.
Chilkat Delphi ActiveX Downloads

Delphi ActiveX
uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Integer;
http: TChilkatHttp;
resp: TChilkatHttpResponse;
jsonResponse: TChilkatJsonObject;
authorization_endpoint: WideString;
claims_parameter_supported: Integer;
issuer: WideString;
jwks_uri: WideString;
request_parameter_supported: Integer;
request_uri_parameter_supported: Integer;
token_endpoint: WideString;
userinfo_endpoint: WideString;
introspection_endpoint: WideString;
revocation_endpoint: WideString;
i: Integer;
count_i: Integer;
strVal: WideString;

begin
success := 0;

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

http := TChilkatHttp.Create(Self);

http.Accept := 'application/json';

resp := TChilkatHttpResponse.Create(Self);
success := http.HttpNoBody('GET','https://<account>.onelogin.com/oidc/.well-known/openid-configuration',resp.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

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

jsonResponse := TChilkatJsonObject.Create(Self);
jsonResponse.Load(resp.BodyStr);
jsonResponse.EmitCompact := 0;
Memo1.Lines.Add(jsonResponse.Emit());

if (resp.StatusCode <> 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

// {
//   "acr_values_supported": [
//     "onelogin:nist:level:1:re-auth"
//   ],
//   "authorization_endpoint": "https://chilkat-dev.onelogin.com/oidc/auth",
//   "claims_parameter_supported": true,
//   "claims_supported": [
//     "acr",
//     "auth_time",
//     "company",
//     "custom_fields",
//     "department",
//     "email",
//     "family_name",
//     "given_name",
//     "groups",
//     "iss",
//     "locale_code",
//     "name",
//     "params",
//     "phone_number",
//     "preferred_username",
//     "sid",
//     "sub",
//     "title",
//     "updated_at"
//   ],
//   "grant_types_supported": [
//     "authorization_code",
//     "implicit",
//     "refresh_token",
//     "client_credentials",
//     "password"
//   ],
//   "id_token_signing_alg_values_supported": [
//     "RS256"
//   ],
//   "issuer": "https://openid-connect.onelogin.com/oidc",
//   "jwks_uri": "https://chilkat-dev.onelogin.com/oidc/certs",
//   "request_parameter_supported": false,
//   "request_uri_parameter_supported": false,
//   "response_modes_supported": [
//     "form_post",
//     "fragment",
//     "query"
//   ],
//   "response_types_supported": [
//     "code",
//     "id_token token",
//     "id_token"
//   ],
//   "scopes_supported": [
//     "openid",
//     "name",
//     "profile",
//     "groups",
//     "email",
//     "params",
//     "phone"
//   ],
//   "subject_types_supported": [
//     "public"
//   ],
//   "token_endpoint": "https://chilkat-dev.onelogin.com/oidc/token",
//   "token_endpoint_auth_methods_supported": [
//     "client_secret_basic",
//     "client_secret_post",
//     "none"
//   ],
//   "userinfo_endpoint": "https://chilkat-dev.onelogin.com/oidc/me",
//   "userinfo_signing_alg_values_supported": [
//   ],
//   "code_challenge_methods_supported": [
//     "S256"
//   ],
//   "introspection_endpoint": "https://chilkat-dev.onelogin.com/oidc/token/introspection",
//   "introspection_endpoint_auth_methods_supported": [
//     "client_secret_basic",
//     "client_secret_post",
//     "none"
//   ],
//   "revocation_endpoint": "https://chilkat-dev.onelogin.com/oidc/token/revocation",
//   "revocation_endpoint_auth_methods_supported": [
//     "client_secret_basic",
//     "client_secret_post",
//     "none"
//   ],
//   "claim_types_supported": [
//     "normal"
//   ]
// }
// 

authorization_endpoint := jsonResponse.StringOf('authorization_endpoint');
claims_parameter_supported := jsonResponse.BoolOf('claims_parameter_supported');
issuer := jsonResponse.StringOf('issuer');
jwks_uri := jsonResponse.StringOf('jwks_uri');
request_parameter_supported := jsonResponse.BoolOf('request_parameter_supported');
request_uri_parameter_supported := jsonResponse.BoolOf('request_uri_parameter_supported');
token_endpoint := jsonResponse.StringOf('token_endpoint');
userinfo_endpoint := jsonResponse.StringOf('userinfo_endpoint');
introspection_endpoint := jsonResponse.StringOf('introspection_endpoint');
revocation_endpoint := jsonResponse.StringOf('revocation_endpoint');
i := 0;
count_i := jsonResponse.SizeOfArray('acr_values_supported');
while i < count_i do
  begin
    jsonResponse.I := i;
    strVal := jsonResponse.StringOf('acr_values_supported[i]');
    i := i + 1;
  end;

i := 0;
count_i := jsonResponse.SizeOfArray('claims_supported');
while i < count_i do
  begin
    jsonResponse.I := i;
    strVal := jsonResponse.StringOf('claims_supported[i]');
    i := i + 1;
  end;

i := 0;
count_i := jsonResponse.SizeOfArray('grant_types_supported');
while i < count_i do
  begin
    jsonResponse.I := i;
    strVal := jsonResponse.StringOf('grant_types_supported[i]');
    i := i + 1;
  end;

i := 0;
count_i := jsonResponse.SizeOfArray('id_token_signing_alg_values_supported');
while i < count_i do
  begin
    jsonResponse.I := i;
    strVal := jsonResponse.StringOf('id_token_signing_alg_values_supported[i]');
    i := i + 1;
  end;

i := 0;
count_i := jsonResponse.SizeOfArray('response_modes_supported');
while i < count_i do
  begin
    jsonResponse.I := i;
    strVal := jsonResponse.StringOf('response_modes_supported[i]');
    i := i + 1;
  end;

i := 0;
count_i := jsonResponse.SizeOfArray('response_types_supported');
while i < count_i do
  begin
    jsonResponse.I := i;
    strVal := jsonResponse.StringOf('response_types_supported[i]');
    i := i + 1;
  end;

i := 0;
count_i := jsonResponse.SizeOfArray('scopes_supported');
while i < count_i do
  begin
    jsonResponse.I := i;
    strVal := jsonResponse.StringOf('scopes_supported[i]');
    i := i + 1;
  end;

i := 0;
count_i := jsonResponse.SizeOfArray('subject_types_supported');
while i < count_i do
  begin
    jsonResponse.I := i;
    strVal := jsonResponse.StringOf('subject_types_supported[i]');
    i := i + 1;
  end;

i := 0;
count_i := jsonResponse.SizeOfArray('token_endpoint_auth_methods_supported');
while i < count_i do
  begin
    jsonResponse.I := i;
    strVal := jsonResponse.StringOf('token_endpoint_auth_methods_supported[i]');
    i := i + 1;
  end;

i := 0;
count_i := jsonResponse.SizeOfArray('userinfo_signing_alg_values_supported');
while i < count_i do
  begin
    jsonResponse.I := i;
    i := i + 1;
  end;

i := 0;
count_i := jsonResponse.SizeOfArray('code_challenge_methods_supported');
while i < count_i do
  begin
    jsonResponse.I := i;
    strVal := jsonResponse.StringOf('code_challenge_methods_supported[i]');
    i := i + 1;
  end;

i := 0;
count_i := jsonResponse.SizeOfArray('introspection_endpoint_auth_methods_supported');
while i < count_i do
  begin
    jsonResponse.I := i;
    strVal := jsonResponse.StringOf('introspection_endpoint_auth_methods_supported[i]');
    i := i + 1;
  end;

i := 0;
count_i := jsonResponse.SizeOfArray('revocation_endpoint_auth_methods_supported');
while i < count_i do
  begin
    jsonResponse.I := i;
    strVal := jsonResponse.StringOf('revocation_endpoint_auth_methods_supported[i]');
    i := i + 1;
  end;

i := 0;
count_i := jsonResponse.SizeOfArray('claim_types_supported');
while i < count_i do
  begin
    jsonResponse.I := i;
    strVal := jsonResponse.StringOf('claim_types_supported[i]');
    i := i + 1;
  end;
end;