Zig Requires Chilkat v11.0.0+

MyInvois Malaysia Login as Intermediary System

See more Malaysia MyInvois Examples

Demonstrates how to get an OAuth2 access token with an intermediary that is representing a taxpayer (acting on behalf of a specific taxpayer). The OAuth2 access token can then be used to access MyInvois protected APIs. Zig

const std = @import("std");
const chilkat = @import("chilkat");

pub fn main(init: std.process.Init) !void {
    const alloc = init.arena.allocator();

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

    // Sends the following HTTP POST to get a MyInvois OAUth2 access token using client_credentials

    // POST /connect/token HTTP/1.1
    // Host: preprod-api.myinvois.hasil.gov.my
    // Accept: */*
    // Content-Length: <<variable>>
    // Content-Type: application/x-www-form-urlencoded
    // onbehalfof: C25845632020
    //
    // client_id={YOUR_CLIENT_ID}&client_secret={YOUR_CLIENT_SECRET}&grant_type=client_credentials&scope=InvoicingAPI

    const http = try chilkat.Http.init();
    defer http.deinit();

    const req = try chilkat.HttpRequest.init();
    defer req.deinit();

    req.addHeader("onbehalfof", "C25845632020");

    req.addParam("grant_type", "client_credentials");
    req.addParam("client_id", "YOUR_CLIENT_ID");
    req.addParam("client_secret", "YOUR_CLIENT_SECRET");
    req.addParam("scope", "InvoicingAPI");

    req.setHttpVerb("POST");
    req.setContentType("application/x-www-form-urlencoded");

    const resp = try chilkat.HttpResponse.init();
    defer resp.deinit();
    http.httpReq("https://preprod-api.myinvois.hasil.gov.my/connect/token", req, resp) catch {
        std.debug.print("{s}\n", .{try http.getLastErrorText(alloc)});
        return;
    };

    // Note: The returned access token is valid for a short amount of time.  Perhaps 1 hour.
    // The access token is used in the "Authorization: Bearer <access_token>" header in subsequent requests until it expires.
    // Your application would then need to get a new access token, and so on..

    std.debug.print("Response Status Code: {d}\n", .{resp.getStatusCode()});
    std.debug.print("Response Body:\n", .{});
    std.debug.print("{s}\n", .{try resp.getBodyStr(alloc)});

    // Here's a sample response:

    // {
    //   "access_token": "eyJhbGciOiJSUzI1...",
    //   "expires_in": 3600,
    //   "token_type": "Bearer",
    //   "scope": "InvoicingAPI"
    // }

    const json = try chilkat.JsonObject.init();
    defer json.deinit();
    json.load(try resp.getBodyStr(alloc)) catch {};
    _ = try json.stringOf(alloc, "access_token");
    _ = json.intOf("expires_in");
    _ = try json.stringOf(alloc, "token_type");
    _ = try json.stringOf(alloc, "scope");

    // To use an access token in a MyInvois API call, see Using a MyInvois Access Token in an API Request
}