Zig

Google Drive Multipart Upload String

See more REST Examples

Demonstrates a file upload to Google Drive where the contents of the file are contained in a string variable. Zig

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

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

    // This example will upload a file to Google Drive.

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

    const g_auth = try chilkat.AuthGoogle.init();
    defer g_auth.deinit();
    g_auth.setScope("https://www.googleapis.com/auth/drive");
    g_auth.setSubEmailAddress("some.user@example.com");
    g_auth.setExpireNumSeconds(3600);

    // Obtain an access token as shown in one of the following examples:
    // See Get Access Token using a Service Account JSON Key
    // See Get Access Token using a P12 File

    const rest = try chilkat.Rest.init();
    defer rest.deinit();

    // Connect using TLS.
    const b_auto_reconnect = true;
    try rest.connect("www.googleapis.com", 443, true, b_auto_reconnect);

    // Provide the authentication credentials (i.e. the access key)
    try rest.setAuthGoogle(g_auth);

    // A multipart upload to Google Drive needs a multipart/related Content-Type
    try rest.addHeader("Content-Type", "multipart/related");

    // Specify each part of the request.

    // The 1st part is JSON with information about the file.
    rest.setPartSelector("1");
    try rest.addHeader("Content-Type", "application/json; charset=UTF-8");

    const json = try chilkat.JsonObject.init();
    defer json.deinit();
    try json.addStringAt(-1, "title", "helloWorld.txt");
    try json.addStringAt(-1, "description", "A simple text file that says Hello World.");
    try json.addStringAt(-1, "mimeType", "text/plain");
    try rest.setMultipartBodyString(try json.emit(alloc));

    // The 2nd part is the file content.
    // In this case, we'll upload a simple text file containing "Hello World!"
    rest.setPartSelector("2");
    try rest.addHeader("Content-Type", "text/plain");
    try rest.setMultipartBodyString("Hello World!");

    // POST https://www.googleapis.com/upload/drive/v2/files
    const json_response = rest.fullRequestMultipart(alloc, "POST", "/upload/drive/v2/files?uploadType=multipart") catch {
        std.debug.print("{s}\n", .{try rest.getLastErrorText(alloc)});
        return;
    };

    // Show the JSON response.
    std.debug.print("Response Status Code: {d}\n", .{rest.getResponseStatusCode()});
    std.debug.print("Json Response: {s}\n", .{json_response});
}