Zig

UniPin Game List

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Demonstrates how to send a POST with the hash_hmac(sha256,partnerid+timestamp+path,secretkey) authentication. 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 'https://dev-api.unipin.com/in-game-topup/list' \
    // --header 'partnerid: 587e3675-e0ed-4e9e-9b39-099b11498fdc' \
    // --header 'timestamp: 1566552295' \
    // --header 'path: in-game-topup/list' \
    // --header 'auth: 1d9f5e7aca9f3c14da7c957d6977447739877cebfc10fcf3682bd32da47a2bda' \
    // --header 'Content-Type: application/json'

    // Use the following online tool to generate HTTP code from a CURL command
    // Convert a cURL Command to HTTP Source Code

    const dt = try chilkat.DateTime.init();
    defer dt.deinit();
    dt.setFromCurrentSystemTime() catch {};
    const timestamp = try dt.getAsUnixTimeStr(alloc, false);

    // Change this to your actual partner ID.
    const partner_id = "587e3675-e0ed-4e9e-9b39-099b11498fdc";

    http.setRequestHeader("path", "in-game-topup/list");
    http.setRequestHeader("timestamp", timestamp);
    http.setRequestHeader("partnerid", partner_id);
    http.setRequestHeader("Content-Type", "application/json");

    // Calculate the auth header using  hash_hmac(sha256,partnerid+timestamp+path,secretkey)
    const crypt = try chilkat.Crypt2.init();
    defer crypt.deinit();
    crypt.setMacAlgorithm("hmac");
    crypt.setHashAlgorithm("sha256");
    crypt.setEncodingMode("hexlower");

    // Change this to your actual secret key..
    crypt.setMacKeyEncoded("wabc123asljdgadlgd3", "us-ascii") catch {};

    const sb_mac_data = try chilkat.StringBuilder.init();
    defer sb_mac_data.deinit();
    sb_mac_data.append(partner_id) catch {};
    sb_mac_data.append(timestamp) catch {};
    sb_mac_data.append("in-game-topup/list") catch {};

    const auth = try crypt.macStringENC(alloc, try sb_mac_data.getAsString(alloc));
    http.setRequestHeader("auth", auth);

    const resp = try chilkat.HttpResponse.init();
    defer resp.deinit();
    http.httpNoBody("POST", "https://dev-api.unipin.com/in-game-topup/list", 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)

    // {
    //   "game_list": [
    //     {
    //       "game_category": "MLBB_ID",
    //       "game_code": "MLBBD_ID",
    //       "game_name": "Mobile Legends Diamonds",
    //       "icon_url": "http://dev-backoffice.unipin.com/images/icon_direct_topup_games/1565343343-icon-1548659712-icon-Mobile legend 300x300 px.png",
    //       "game_status": "active",
    //       "updated_at": "2019-08-09 16:35:43"
    //     },
    //     {
    //       "game_category": "MLBB_ID",
    //       "game_code": "MLBBS_ID",
    //       "game_name": "Mobile Legends Starlight Member",
    //       "icon_url": "http://dev-backoffice.unipin.com/images/icon_direct_topup_games/1565343258-icon-1548659712-icon-Mobile legend 300x300 px.png",
    //       "game_status": "active",
    //       "updated_at": "2019-08-09 16:34:18"
    //     },
    // ...
    // ...
    //   ],
    //   "status": 1,
    //   "reason": "Successful"
    // }

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

    var game_category: [:0]const u8 = "";
    var game_code: [:0]const u8 = "";
    var game_name: [:0]const u8 = "";
    var icon_url: [:0]const u8 = "";
    var game_status: [:0]const u8 = "";
    var updated_at: [:0]const u8 = "";

    _ = j_resp.intOf("status");
    _ = try j_resp.stringOf(alloc, "reason");
    var i: i32 = 0;
    const count_i = j_resp.sizeOfArray("game_list");
    while (i < count_i) {
        j_resp.setI(i);
        game_category = try j_resp.stringOf(alloc, "game_list[i].game_category");
        game_code = try j_resp.stringOf(alloc, "game_list[i].game_code");
        game_name = try j_resp.stringOf(alloc, "game_list[i].game_name");
        icon_url = try j_resp.stringOf(alloc, "game_list[i].icon_url");
        game_status = try j_resp.stringOf(alloc, "game_list[i].game_status");
        updated_at = try j_resp.stringOf(alloc, "game_list[i].updated_at");
        i = i + 1;
    }
}