Chilkat Online Tools

Objective-C / ForgeRock Identity Cloud Collection / Step 2: Get Authorization Code

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#import <CkoHttp.h>
#import <CkoHttpRequest.h>
#import <CkoJsonObject.h>
#import <CkoHttpResponse.h>
#import <CkoStringBuilder.h>
#import <NSString.h>

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

CkoHttp *http = [[CkoHttp alloc] init];
BOOL success;

CkoHttpRequest *req = [[CkoHttpRequest alloc] init];
[req AddParam: @"scope" value: @"share"];
[req AddParam: @"response_type" value: @"code"];

CkoJsonObject *jsonParam3 = [[CkoJsonObject alloc] init];
[req AddParam: @"client_id" value: [jsonParam3 Emit]];

CkoJsonObject *jsonParam4 = [[CkoJsonObject alloc] init];
[req AddParam: @"csrf" value: [jsonParam4 Emit]];

CkoJsonObject *jsonParam5 = [[CkoJsonObject alloc] init];
[req AddParam: @"redirect_uri" value: [jsonParam5 Emit]];
[req AddParam: @"decision" value: @"allow"];

CkoJsonObject *jsonParam7 = [[CkoJsonObject alloc] init];
[req AddParam: @"code_challenge" value: [jsonParam7 Emit]];
[req AddParam: @"code_challenge_method" value: @"S256"];

[req AddHeader: @"Authorization" value: @"Bearer <access_token>"];
[req AddHeader: @"Cookie" value: @"{{cookieName}}={{demoSSOToken}}"];

CkoHttpResponse *resp = [http PostUrlEncoded: @"https://<tenant-name>.forgeblocks.com/am/oauth2/realms/root/realms/alpha/authorize" req: req];
if (http.LastMethodSuccess == NO) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

CkoStringBuilder *sbResponseBody = [[CkoStringBuilder alloc] init];
[resp GetBodySb: sbResponseBody];

CkoJsonObject *jResp = [[CkoJsonObject alloc] init];
[jResp LoadSb: sbResponseBody];
jResp.EmitCompact = NO;

NSLog(@"%@",@"Response Body:");
NSLog(@"%@",[jResp Emit]);

int respStatusCode = [resp.StatusCode intValue];
NSLog(@"%@%d",@"Response Status Code = ",respStatusCode);
if (respStatusCode >= 400) {
    NSLog(@"%@",@"Response Header:");
    NSLog(@"%@",resp.Header);
    NSLog(@"%@",@"Failed.");

    return;
}

// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)

// {
//   "args": {
//     "client_id": "forgerockDemoConfidentialClient",
//     "code": "rXspXy1Z03nredTwVDo6qCO1I-4",
//     "iss": "http://openam.example.com:8080/openam/oauth2"
//   },
//   "data": "",
//   "files": {},
//   "form": {},
//   "headers": {
//     "Accept": "*/*",
//     "Accept-Encoding": "gzip, deflate, br",
//     "Cookie": "amlbcookie=01; iPlanetDirectoryPro=sOpI1RvbCgvlQk.*AAJTSQACMDEA.*",
//     "Host": "httpbin.org",
//     "Iplanetdirectorypro": "sOpI1RvbCgvlQk.*AAJTSQACMDEA.*",
//     "Referer": "http://openam.example.com:8080/openam/oauth2/realms/root/authorize",
//     "User-Agent": "PostmanRuntime/7.26.3",
//     "X-Amzn-Trace-Id": "Root=1-5f352e89-db9fc460f6fadf84ef688bbc"
//   },
//   "json": null,
//   "method": "GET",
//   "origin": "5.65.200.229",
//   "url": "https://httpbin.org/anything?code=rXspXy1Z03nredTwVDo6qCO1I-4&iss=http:%2F%2Fopenam.example.com:8080%2Fopenam%2Foauth2&client_id=forgerockDemoConfidentialClient"
// }

// Sample code for parsing the JSON response...
// Use this online tool to generate parsing code from sample JSON: Generate JSON Parsing Code

NSString *Client_id = [jResp StringOf: @"args.client_id"];
NSString *Code = [jResp StringOf: @"args.code"];
NSString *Iss = [jResp StringOf: @"args.iss"];
NSString *data = [jResp StringOf: @"data"];
NSString *Accept = [jResp StringOf: @"headers.Accept"];
NSString *Accept_Encoding = [jResp StringOf: @"headers.Accept-Encoding"];
NSString *Cookie = [jResp StringOf: @"headers.Cookie"];
NSString *Host = [jResp StringOf: @"headers.Host"];
NSString *Iplanetdirectorypro = [jResp StringOf: @"headers.Iplanetdirectorypro"];
NSString *Referer = [jResp StringOf: @"headers.Referer"];
NSString *User_Agent = [jResp StringOf: @"headers.User-Agent"];
NSString *X_Amzn_Trace_Id = [jResp StringOf: @"headers.X-Amzn-Trace-Id"];
NSString *json = [jResp StringOf: @"json"];
NSString *method = [jResp StringOf: @"method"];
NSString *origin = [jResp StringOf: @"origin"];
NSString *url = [jResp StringOf: @"url"];

Curl Command

curl -X POST
	-H "Authorization: Bearer <access_token>"
	-H "Cookie: {{cookieName}}={{demoSSOToken}}"
	--data-urlencode 'scope=share'
	--data-urlencode 'response_type=code'
	--data-urlencode 'client_id={{postmanConfidentialClientId}}'
	--data-urlencode 'csrf={{demoSSOToken}}'
	--data-urlencode 'redirect_uri={{redirect_uri}}'
	--data-urlencode 'decision=allow'
	--data-urlencode 'code_challenge={{code_challenge}}'
	--data-urlencode 'code_challenge_method=S256'
https://<tenant-name>.forgeblocks.com/am/oauth2/realms/root/realms/alpha/authorize

Postman Collection Item JSON

{
  "name": "Step 2: Get Authorization Code",
  "event": [
    {
      "listen": "test",
      "script": {
        "exec": [
          "var jsonData = JSON.parse(responseBody);",
          "",
          "if(pm.response.code == 200)",
          "{",
          "    if(jsonData.args.code && jsonData.args.code != \"\") {",
          "        pm.globals.set(\"authorization_code\", jsonData.args.code);",
          "    }",
          "}",
          "",
          "// TESTS",
          "",
          "pm.test(\"Follow redirects is enabled in Postman (Status code not 302)\", () => {",
          "  // If response was 302, ensure Postman is following redirects.  ",
          "  pm.response.to.not.have.status(302);",
          "});",
          "",
          "pm.test(\"Response from httpbin contained `code` argument\", () => {",
          "    pm.expect(jsonData.args.code).to.be.a(\"string\");",
          "});"
        ],
        "type": "text/javascript"
      }
    },
    {
      "listen": "prerequest",
      "script": {
        "exec": [
          "function base64URLEncode(words) {",
          "   return CryptoJS.enc.Base64.stringify(words)",
          "   .replace(/\\+/g, '-')",
          "   .replace(/\\//g, '_')",
          "   .replace(/=/g, '');",
          "}",
          "const code_verifier = base64URLEncode(CryptoJS.lib.WordArray.random(50));",
          "const code_challenge = base64URLEncode(CryptoJS.SHA256(code_verifier));",
          "",
          "pm.globals.set(\"code_challenge\", code_challenge);",
          "pm.globals.set(\"code_verifier\", code_verifier);"
        ],
        "type": "text/javascript"
      }
    }
  ],
  "request": {
    "method": "POST",
    "header": [
      {
        "key": "Cookie",
        "value": "{{cookieName}}={{demoSSOToken}}",
        "type": "text"
      }
    ],
    "body": {
      "mode": "urlencoded",
      "urlencoded": [
        {
          "key": "scope",
          "value": "share",
          "description": "Strings that are presented to the user for approval and included in tokens so that the protected resource may make decisions about what to give access to.",
          "type": "text"
        },
        {
          "key": "response_type",
          "value": "code",
          "description": "Response types the client will support and use.",
          "type": "text"
        },
        {
          "key": "client_id",
          "value": "{{postmanConfidentialClientId}}",
          "description": "The ID of the Confidential OAuth Client.",
          "type": "text"
        },
        {
          "key": "csrf",
          "value": "{{demoSSOToken}}",
          "description": "SSO token of a ForgeRock user, to protect against cross-site request forgery.",
          "type": "text"
        },
        {
          "key": "redirect_uri",
          "value": "{{redirect_uri}}",
          "description": "The complete URI to which client redirects the user if the request is successful.",
          "type": "text"
        },
        {
          "key": "decision",
          "value": "allow",
          "description": "Decision that grants access to the authentication code. When using a browser, the user would consent that the client can access their information. This flow can be used machine-to-machine, by assuming consent, for example between two services provided by the same organization.",
          "type": "text"
        },
        {
          "key": "code_challenge",
          "value": "{{code_challenge}}",
          "description": "The generated code challenge. See the \"Pre-request SCript\" tab for details.",
          "type": "text"
        },
        {
          "key": "code_challenge_method",
          "value": "S256",
          "description": "The method used to generate the code challenge.",
          "type": "text"
        }
      ]
    },
    "url": {
      "raw": "{{amUrl}}/oauth2{{realm}}/authorize",
      "host": [
        "{{amUrl}}"
      ],
      "path": [
        "oauth2{{realm}}",
        "authorize"
      ]
    },
    "description": "Get the authorization code by making a call to the authorization server's authorization endpoint, specifying the SSO token of the user."
  },
  "response": [
    {
      "name": "Example",
      "originalRequest": {
        "method": "POST",
        "header": [
          {
            "key": "iplanetDirectoryPro",
            "value": "{{demoSSOToken}}",
            "type": "text"
          }
        ],
        "body": {
          "mode": "urlencoded",
          "urlencoded": [
            {
              "key": "scope",
              "value": "share",
              "description": "Strings that are presented to the user for approval and included in tokens so that the protected resource may make decisions about what to give access to.",
              "type": "text"
            },
            {
              "key": "response_type",
              "value": "code",
              "description": "Response types the client will support and use.",
              "type": "text"
            },
            {
              "key": "client_id",
              "value": "{{postmanConfidentialClientId}}",
              "description": "The ID of the Confidential OAuth Client.",
              "type": "text"
            },
            {
              "key": "csrf",
              "value": "{{demoSSOToken}}",
              "description": "SSO token of a ForgeRock user, to protect against cross-site request forgery.",
              "type": "text"
            },
            {
              "key": "redirect_uri",
              "value": "{{redirect_uri}}",
              "description": "The complete URI to which client redirects the user if the request is successful.",
              "type": "text"
            },
            {
              "key": "decision",
              "value": "allow",
              "description": "Decision that grants access to the authentication code. When using a browser, the user would consent that the client can access their information. This flow can be used machine-to-machine, by assuming consent, for example between two services provided by the same organization.",
              "type": "text"
            },
            {
              "key": "code_challenge",
              "value": "{{code_challenge}}",
              "description": "The generated code challenge.",
              "type": "text"
            },
            {
              "key": "code_challenge_method",
              "value": "S256",
              "description": "The method used to generate the code challenge.",
              "type": "text"
            }
          ]
        },
        "url": {
          "raw": "{{amUrl}}/oauth2{{realm}}/authorize",
          "host": [
            "{{amUrl}}"
          ],
          "path": [
            "oauth2{{realm}}",
            "authorize"
          ]
        }
      },
      "status": "OK",
      "code": 200,
      "_postman_previewlanguage": "json",
      "header": [
        {
          "key": "Date",
          "value": "Thu, 13 Aug 2020 12:14:01 GMT"
        },
        {
          "key": "Content-Type",
          "value": "application/json"
        },
        {
          "key": "Content-Length",
          "value": "1079"
        },
        {
          "key": "Connection",
          "value": "keep-alive"
        },
        {
          "key": "Server",
          "value": "gunicorn/19.9.0"
        },
        {
          "key": "Access-Control-Allow-Origin",
          "value": "*"
        },
        {
          "key": "Access-Control-Allow-Credentials",
          "value": "true"
        }
      ],
      "cookie": [
      ],
      "body": "{\n    \"args\": {\n        \"client_id\": \"forgerockDemoConfidentialClient\",\n        \"code\": \"rXspXy1Z03nredTwVDo6qCO1I-4\",\n        \"iss\": \"http://openam.example.com:8080/openam/oauth2\"\n    },\n    \"data\": \"\",\n    \"files\": {},\n    \"form\": {},\n    \"headers\": {\n        \"Accept\": \"*/*\",\n        \"Accept-Encoding\": \"gzip, deflate, br\",\n        \"Cookie\": \"amlbcookie=01; iPlanetDirectoryPro=sOpI1RvbCgvlQk.*AAJTSQACMDEA.*\",\n        \"Host\": \"httpbin.org\",\n        \"Iplanetdirectorypro\": \"sOpI1RvbCgvlQk.*AAJTSQACMDEA.*\",\n        \"Referer\": \"http://openam.example.com:8080/openam/oauth2/realms/root/authorize\",\n        \"User-Agent\": \"PostmanRuntime/7.26.3\",\n        \"X-Amzn-Trace-Id\": \"Root=1-5f352e89-db9fc460f6fadf84ef688bbc\"\n    },\n    \"json\": null,\n    \"method\": \"GET\",\n    \"origin\": \"5.65.200.229\",\n    \"url\": \"https://httpbin.org/anything?code=rXspXy1Z03nredTwVDo6qCO1I-4&iss=http:%2F%2Fopenam.example.com:8080%2Fopenam%2Foauth2&client_id=forgerockDemoConfidentialClient\"\n}"
    }
  ]
}