Zig

Backblaze S3 List Buckets

See more Backblaze S3 Examples

Demonstrates how to list Backblaze buckets.

The Chilkat S3 functions in the HTTP class are compatible with the Backblaze service. However, because of some specific issues, Chilkat v9.5.0.89 or later is needed.

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();

    // keyID = Access Key ID or Access Key
    http.setAwsAccessKey("access-key");

    // applicationKey = Secret Access Key or Secret Key
    http.setAwsSecretKey("secret-key");

    // Region is the 2nd part of your S3 Endpoint
    http.setAwsEndpoint("s3.us-west-002.backblazeb2.com");

    const buckets_xml = http.s3ListBuckets(alloc) catch {
        std.debug.print("{s}\n", .{try http.getLastErrorText(alloc)});
        return;
    };

    const xml = try chilkat.Xml.init();
    defer xml.deinit();
    xml.loadXml(buckets_xml) catch {};
    std.debug.print("{s}\n", .{try xml.getXml(alloc)});

    // Use this online tool to generate parsing code from sample XML:
    // Generate Parsing Code from XML

    // Sample output:

    // <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
    // <ListAllMyBucketsResult xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
    //     <Owner>
    //         <ID>f2ebbc5f792c</ID>
    //         <DisplayName/>
    //     </Owner>
    //     <Buckets>
    //         <Bucket>
    //             <Name>chilkat</Name>
    //             <CreationDate>2021-10-30T14:17:30.004Z</CreationDate>
    //         </Bucket>
    //         <Bucket>
    //             <Name>chilkat-test</Name>
    //             <CreationDate>2021-10-30T14:25:52.556Z</CreationDate>
    //         </Bucket>
    //     </Buckets>
    // </ListAllMyBucketsResult>

    var name: [:0]const u8 = "";
    var creation_date: [:0]const u8 = "";

    _ = try xml.getAttrValue(alloc, "xmlns");
    _ = try xml.getChildContent(alloc, "Owner|ID");
    var i: i32 = 0;
    const count_i = xml.numChildrenHavingTag("Buckets|Bucket");
    while (i < count_i) {
        xml.setI(i);
        name = try xml.getChildContent(alloc, "Buckets|Bucket[i]|Name");
        creation_date = try xml.getChildContent(alloc, "Buckets|Bucket[i]|CreationDate");
        i = i + 1;
    }
}