Rust Requires Chilkat v11.0.0+
Upload String to Google Cloud Storage

Demonstrates how to upload an in-memory string to Google Cloud Storage.
Chilkat Rust Downloads

Rust

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

// This example uses a previously obtained access token having permission for the 
// scope "https://www.googleapis.com/auth/cloud-platform"

// In this example, Get Google Cloud Storage OAuth2 Access Token, 
// the service account access token was saved to a text file.  This example fetches the access token from the file..
let sb_token = chilkat::StringBuilder::new();
let _ = sb_token.load_file("qa_data/tokens/googleCloudStorageAccessToken.txt", "utf-8");

// Send a POST equivalent to this curl command.
// The content of the file is contained in the request body.

// curl -X POST --data-binary @[OBJECT] \
//     -H "Authorization: Bearer [OAUTH2_TOKEN]" \
//     -H "Content-Type: [OBJECT_CONTENT_TYPE]" \
//     "https://www.googleapis.com/upload/storage/v1/b/[BUCKET_NAME]/o?uploadType=media&name=[OBJECT_NAME]"

let http = chilkat::Http::new();
http.set_auth_token(&sb_token.get_as_string().unwrap_or_default());

// Create an XML document, and write it to a StringBuilder.
// We'll be uploading this XML document.
let xml = chilkat::Xml::new();
xml.set_tag("note");
xml.update_child_content("to", "Tove");
xml.update_child_content("from", "Jani");
xml.update_child_content("heading", "Reminder");
xml.update_child_content("body", "Don't forget me this weekend!");

// Write the XML to sbXml.
let sb_xml = chilkat::StringBuilder::new();
let _ = xml.get_xml_sb(&sb_xml);

// sbXml contains this:

// <note>
//     <to>Tove</to>
//     <from>Jani</from>
//     <heading>Reminder</heading>
//     <body>Don't forget me this weekend!</body>
// </note>

// Construct a URL to upload to an object named "test.xml" in the "chilkat-ocean" bucket.
let _ = http.set_url_var("bucket_name", "chilkat-ocean");
let _ = http.set_url_var("object_name", "test.xml");
let url = "https://www.googleapis.com/upload/storage/v1/b/{$bucket_name}/o?uploadType=media&name={$object_name}".to_string();

let resp = chilkat::HttpResponse::new();
if http.http_sb("POST", &url, &sb_xml, "utf-8", "application/xml", &resp).is_err() {
    println!("{}", http.last_error_text());
    return;
}

let response_code = resp.status_code();
if response_code == 401 {
    println!("{}", resp.body_str());
    println!("If invalid credentials, then it is likely the access token expired.");
    println!("Your app should automatically fetch a new access token and re-try.");
    return;
}

println!("Response code: {}", response_code);
println!("Response body");
println!("{}", resp.body_str());

// A successful response looks like this:
// Response code: 200
// Response body
// {
//  "kind": "storage#object",
//  "id": "chilkat-ocean/test.xml/1502669565429870",
//  "selfLink": "https://www.googleapis.com/storage/v1/b/chilkat-ocean/o/test.xml",
//  "name": "test.xml",
//  "bucket": "chilkat-ocean",
//  "generation": "1502669565429870",
//  "metageneration": "1",
//  "contentType": "application/xml",
//  "timeCreated": "2017-08-14T00:12:45.379Z",
//  "updated": "2017-08-14T00:12:45.379Z",
//  "storageClass": "MULTI_REGIONAL",
//  "timeStorageClassUpdated": "2017-08-14T00:12:45.379Z",
//  "size": "181",
//  "md5Hash": "TCR0L7TWsw2TzOvfNvgEfA==",
//  "mediaLink": "https://www.googleapis.com/download/storage/v1/b/chilkat-ocean/o/test.xml?generation=1502669565429870&alt=media",
//  "crc32c": "ZFd5sA==",
//  "etag": "CO6Qpq241dUCEAE="
// }