Zig

Okta: Use the Resource Owner Password Flow

See more Okta OAuth/OIDC Examples

Demonstrates how to get an access token using the Resource Owner Password Flow. Zig

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

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

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

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

    // Implements the following CURL command:

    // curl --request POST \
    //   --url https://{yourOktaDomain}/oauth2/default/v1/token \
    //   --header 'accept: application/json' \
    //   --user "client_id:client_secret" \
    //   --header 'content-type: application/x-www-form-urlencoded' \
    //   --data 'grant_type=password&username=myUserEmail&password=myPassword&scope=openid'

    http.setLogin("client_id");
    http.setPassword("client_secret");

    const req = try chilkat.HttpRequest.init();
    defer req.deinit();
    req.setHttpVerb("POST");
    req.setPath("/oauth2/default/v1/token");
    req.setContentType("application/x-www-form-urlencoded");
    req.addParam("grant_type", "password");
    req.addParam("username", "myUserEmail");
    req.addParam("password", "myPassword");
    req.addParam("scope", "openid");

    req.addHeader("accept", "application/json");

    const resp = try chilkat.HttpResponse.init();
    defer resp.deinit();
    http.httpReq("https://{yourOktaDomain}/oauth2/default/v1/token", req, resp) catch {
        std.debug.print("{s}\n", .{try http.getLastErrorText(alloc)});
        return;
    };

    const sb_response_body = try chilkat.StringBuilder.init();
    defer sb_response_body.deinit();
    resp.getBodySb(sb_response_body) catch {};
    const j_resp = try chilkat.JsonObject.init();
    defer j_resp.deinit();
    j_resp.loadSb(sb_response_body) catch {};
    j_resp.setEmitCompact(false);

    std.debug.print("Response Body:\n", .{});
    std.debug.print("{s}\n", .{try j_resp.emit(alloc)});

    const resp_status_code = resp.getStatusCode();
    std.debug.print("Response Status Code = {d}\n", .{resp_status_code});
    if (resp_status_code >= 400) {
        std.debug.print("Response Header:\n", .{});
        std.debug.print("{s}\n", .{try resp.getHeader(alloc)});
        std.debug.print("Failed.\n", .{});
        return;
    }

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

    // {
    //   "access_token": "eyJraWQiOi ... jmiHD7wY9_gQ",
    //   "token_type": "Bearer",
    //   "expires_in": 3600,
    //   "scope": "openid",
    //   "id_token": "eyJraWQiOiJ ... W7KkWiPJnUSMoGw"
    // }

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

    _ = try j_resp.stringOf(alloc, "access_token");
    _ = try j_resp.stringOf(alloc, "token_type");
    _ = j_resp.intOf("expires_in");
    _ = try j_resp.stringOf(alloc, "scope");
    _ = try j_resp.stringOf(alloc, "id_token");
}