Zig Requires Chilkat v11.0.0+

AzureWebsites OAuth2 Password Flow

See more OAuth2 Examples

Demonstrates how to do OAuth 2.0 password flow for azurewebsites.net. 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.

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

    const req = try chilkat.HttpRequest.init();
    defer req.deinit();
    req.setHttpVerb("POST");
    req.setPath("/token");
    req.setContentType("application/x-www-form-urlencoded");
    req.addParam("grant_type", "password");
    req.addParam("username", "your_username");
    req.addParam("password", "your_password");

    const token_endpoint = "https://your_api.azurewebsites.net/token";

    const resp = try chilkat.HttpResponse.init();
    defer resp.deinit();
    http.httpReq(token_endpoint, 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)});

    // Sample JSON response:

    // {
    //   "access_token": "NQGHn ... xTS",
    //   "token_type": "bearer",
    //   "expires_in": 1209599,
    //   "userName": "your_username",
    //   ".issued": "Mon, 27 Apr 2020 23:49:35 GMT",
    //   ".expires": "Mon, 11 May 2020 23:49:35 GMT"
    // }

    var resp_status_code: i32 = 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;
    }

    // ----------------------------------
    // Use the OAuth2 token in a request.
    // For example...

    const sb_xml = try chilkat.StringBuilder.init();
    defer sb_xml.deinit();
    sb_xml.loadFile("c:/someDir/someXmlFile.xml", "utf-8") catch {
        std.debug.print("Failed to load the XML file.\n", .{});
        return;
    };

    // Get the OAuth2 token and use it for authentication
    http.setAuthToken(try j_resp.stringOf(alloc, "token"));

    const dest_url = "https://your_api.azurewebsites.net/destinationUrl";
    http.httpSb("POST", dest_url, sb_xml, "utf-8", "application/xml", resp) catch {
        std.debug.print("{s}\n", .{try http.getLastErrorText(alloc)});
        return;
    };

    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;
    }

    // Examine the response body
    std.debug.print("{s}\n", .{try resp.getBodyStr(alloc)});
}