Zig

S3 - Working with Buckets in a Region

See more Amazon S3 (new) Examples

Demonstrates how to work with S3 buckets located in a particular region. 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.

    // When usig the REST class to access an S3 bucket that has been created in a particular region,
    // there are three important things to remember:
    //
    // 1) Connect to the domain that includes the region.  For example, instead of connecting to
    //    "s3.amazonaws.com", connect to "s3.eu-central-1.amazonaws.com" if your bucket is in the EU Frankfurt region.
    //    See http://docs.aws.amazon.com/general/latest/gr/rande.html#s3_region   for a list of S3 region domains (endpoints)
    //
    // 2) Set the AuthAws.Region property equal to the region, such as "eu-central-1".
    //
    // 3) Include the region in request's Host header.
    //

    // This example will upload to a bucket in the eu-central-1 region.
    //
    const rest = try chilkat.Rest.init();
    defer rest.deinit();

    // Connect to the Amazon AWS REST server.
    const b_tls = true;
    const port = 443;
    const b_auto_reconnect = true;
    try rest.connect("s3.eu-central-1.amazonaws.com", port, b_tls, b_auto_reconnect);

    // Provide AWS credentials for the REST call.
    const auth_aws = try chilkat.AuthAws.init();
    defer auth_aws.deinit();
    auth_aws.setAccessKey("AWS_ACCESS_KEY");
    auth_aws.setSecretKey("AWS_SECRET_KEY");
    auth_aws.setServiceName("s3");
    auth_aws.setRegion("eu-central-1");
    try rest.setAuthAws(auth_aws);

    // Set the bucket name via the HOST header.
    // In this case, the bucket name is "chilkateufrankfurt" (which was created in the eu-central-1 region)
    rest.setHost("chilkateufrankfurt.s3.eu-central-1.amazonaws.com");

    const file_data = try chilkat.BinData.init();
    defer file_data.deinit();
    try file_data.loadFile("qa_data/jpg/starfish.jpg");

    // Upload the file to Amazon S3.
    const response_body = try chilkat.StringBuilder.init();
    defer response_body.deinit();
    rest.fullRequestBd("PUT", "/starfish.jpg", file_data, response_body) catch {
        std.debug.print("{s}\n", .{try rest.getLastErrorText(alloc)});
        return;
    };

    // Did we get a 200 response indicating success?
    const status_code = rest.getResponseStatusCode();
    if (status_code != 200) {
        std.debug.print("Error response: {s}\n", .{try response_body.getAsString(alloc)});
        std.debug.print("Status code: {d}, Status text: {s}\n", .{ status_code, try rest.getResponseStatusText(alloc) });
        return;
    }

    std.debug.print("File successfully uploaded.\n", .{});
}