Java / Salesforce Platform APIs / Client Credentials Flow - basic authorization header
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import com.chilkatsoft.*;
public class ChilkatExample {
static {
try {
System.loadLibrary("chilkat");
} catch (UnsatisfiedLinkError e) {
System.err.println("Native code library failed to load.\n" + e);
System.exit(1);
}
}
public static void main(String argv[])
{
// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
CkHttp http = new CkHttp();
boolean success;
CkHttpRequest req = new CkHttpRequest();
req.AddParam("grant_type","client_credentials");
req.AddHeader("Authorization","Basic {{clientCredential_basicAuthEncoded}}");
CkHttpResponse resp = http.PostUrlEncoded("https://login.salesforce.com{{site}}/services/oauth2/token",req);
if (http.get_LastMethodSuccess() == false) {
System.out.println(http.lastErrorText());
return;
}
CkStringBuilder sbResponseBody = new CkStringBuilder();
resp.GetBodySb(sbResponseBody);
CkJsonObject jResp = new CkJsonObject();
jResp.LoadSb(sbResponseBody);
jResp.put_EmitCompact(false);
System.out.println("Response Body:");
System.out.println(jResp.emit());
int respStatusCode = resp.get_StatusCode();
System.out.println("Response Status Code = " + respStatusCode);
if (respStatusCode >= 400) {
System.out.println("Response Header:");
System.out.println(resp.header());
System.out.println("Failed.");
return;
}
// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)
// {
// "access_token": "<access_token>",
// "signature": "<signature>",
// "scope": "<scope list>",
// "instance_url": "https://<my_domain>",
// "id": "https://login.salesforce.com/id/00D.../005...",
// "token_type": "Bearer",
// "issued_at": "<timestamp>",
// "api_instance_url": "https://api.salesforce.com"
// }
// Sample code for parsing the JSON response...
// Use this online tool to generate parsing code from sample JSON: Generate JSON Parsing Code
String access_token = jResp.stringOf("access_token");
String signature = jResp.stringOf("signature");
String scope = jResp.stringOf("scope");
String instance_url = jResp.stringOf("instance_url");
String id = jResp.stringOf("id");
String token_type = jResp.stringOf("token_type");
String issued_at = jResp.stringOf("issued_at");
String api_instance_url = jResp.stringOf("api_instance_url");
}
}
Curl Command
curl -X POST
-H "Content-Type: application/x-www-form-urlencoded"
-H "Authorization: Basic {{clientCredential_basicAuthEncoded}}"
--data-urlencode 'grant_type=client_credentials'
https://login.salesforce.com{{site}}/services/oauth2/token
Postman Collection Item JSON
{
"name": "Client Credentials Flow - basic authorization header",
"event": [
{
"listen": "test",
"script": {
"exec": [
"const jsonData = pm.response.json();",
"",
"if(!jsonData.error){",
" const id = jsonData.id.split('/');",
" const context = pm.environment.name ? pm.environment : pm.collectionVariables;",
" context.set(\"_accessToken\", jsonData.access_token);",
" context.set(\"_endpoint\", jsonData.instance_url);",
" context.set(\"_userId\", id.pop());",
" context.set(\"_orgId\", id.pop());",
"}"
],
"type": "text/javascript"
}
},
{
"listen": "prerequest",
"script": {
"exec": [
"const context = pm.environment.name ? pm.environment : pm.collectionVariables;",
"",
"const basicAuth = context.get(\"clientId\") + \":\" + context.get(\"clientSecret\");",
"const basicAuthEncoded = CryptoJS.enc.Base64.stringify(CryptoJS.enc.Utf8.parse(basicAuth));",
"",
"pm.environment.set(\"clientCredential_basicAuthEncoded\", basicAuthEncoded);"
],
"type": "text/javascript"
}
}
],
"protocolProfileBehavior": {
"disableCookies": true
},
"request": {
"auth": {
"type": "noauth"
},
"method": "POST",
"header": [
{
"key": "Content-Type",
"value": "application/x-www-form-urlencoded"
},
{
"key": "Authorization",
"value": "Basic {{clientCredential_basicAuthEncoded}}",
"description": "Base64 encoded basic credentials (see pre-request script)"
}
],
"body": {
"mode": "urlencoded",
"urlencoded": [
{
"key": "grant_type",
"value": "client_credentials",
"type": "text"
},
{
"key": "client_id",
"value": "{{clientId}}",
"type": "text",
"disabled": true
},
{
"key": "client_secret",
"value": "{{clientSecret}}",
"type": "text",
"disabled": true
}
]
},
"url": {
"raw": "{{url}}{{site}}/services/oauth2/token",
"host": [
"{{url}}{{site}}"
],
"path": [
"services",
"oauth2",
"token"
]
}
},
"response": [
{
"name": "Successful Client Credentials Flow - basic authorization header",
"originalRequest": {
"method": "POST",
"header": [
{
"key": "Content-Type",
"value": "application/x-www-form-urlencoded"
},
{
"key": "Authorization",
"value": "Basic {{clientCredential_basicAuthEncoded}}",
"description": "Base64 encoded basic credentials (see pre-request script)"
}
],
"body": {
"mode": "urlencoded",
"urlencoded": [
{
"key": "grant_type",
"value": "client_credentials",
"type": "text"
},
{
"key": "client_id",
"value": "{{clientId}}",
"type": "text",
"disabled": true
},
{
"key": "client_secret",
"value": "{{clientSecret}}",
"type": "text",
"disabled": true
}
]
},
"url": {
"raw": "{{url}}{{site}}/services/oauth2/token",
"host": [
"{{url}}{{site}}"
],
"path": [
"services",
"oauth2",
"token"
]
}
},
"status": "OK",
"code": 200,
"_postman_previewlanguage": "json",
"header": [
{
"key": "Date",
"value": "Thu, 16 Nov 2023 15:29:08 GMT"
},
{
"key": "Set-Cookie",
"value": "CookieConsentPolicy=0:1; path=/; expires=Fri, 15-Nov-2024 15:29:08 GMT; Max-Age=31536000"
},
{
"key": "Set-Cookie",
"value": "LSKey-c$CookieConsentPolicy=0:1; path=/; expires=Fri, 15-Nov-2024 15:29:08 GMT; Max-Age=31536000"
},
{
"key": "Set-Cookie",
"value": "BrowserId=4pAG8YSUEe6FQrcdNvkArw; domain=.salesforce.com; path=/; expires=Fri, 15-Nov-2024 15:29:08 GMT; Max-Age=31536000"
},
{
"key": "Strict-Transport-Security",
"value": "max-age=63072000; includeSubDomains"
},
{
"key": "X-Content-Type-Options",
"value": "nosniff"
},
{
"key": "X-XSS-Protection",
"value": "1; mode=block"
},
{
"key": "X-Robots-Tag",
"value": "none"
},
{
"key": "Cache-Control",
"value": "no-cache,must-revalidate,max-age=0,no-store,private"
},
{
"key": "Expires",
"value": "Thu, 01 Jan 1970 00:00:00 GMT"
},
{
"key": "Content-Type",
"value": "application/json;charset=UTF-8"
},
{
"key": "Vary",
"value": "Accept-Encoding"
},
{
"key": "Content-Encoding",
"value": "gzip"
},
{
"key": "Transfer-Encoding",
"value": "chunked"
}
],
"cookie": [
],
"body": "{\n \"access_token\": \"<access_token>\",\n \"signature\": \"<signature>\",\n \"scope\": \"<scope list>\",\n \"instance_url\": \"https://<my_domain>\",\n \"id\": \"https://login.salesforce.com/id/00D.../005...\",\n \"token_type\": \"Bearer\",\n \"issued_at\": \"<timestamp>\",\n \"api_instance_url\": \"https://api.salesforce.com\"\n}"
}
]
}
