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Rust

Get File Metadata

See more Google Drive Examples

Gets a file's metadata or content by ID.

See Google Drive Files get for additional details.

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Rust 

let _ = true;

// It 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 
// Google Drive scope.

let g_auth = chilkat::AuthGoogle::new();
g_auth.set_access_token("GOOGLE-DRIVE-ACCESS-TOKEN");

let rest = chilkat::Rest::new();

// Connect using TLS.
// A single REST object, once connected, can be used for many Google Drive REST API calls.
// The auto-reconnect indicates that if the already-established HTTPS connection is closed,
// then it will be automatically re-established as needed.
let b_auto_reconnect = true;
let _ = rest.connect("www.googleapis.com", 443, true, b_auto_reconnect).is_ok();

// Provide the authentication credentials (i.e. the access token)
let _ = rest.set_auth_google(&g_auth);

// ------------------------------------------------------------------------------

// We need to send a GET request like this:
// GET https://www.googleapis.com/drive/v3/files/fileId
// The fileId is part of the path.
let sb_path = chilkat::StringBuilder::new();
let _ = sb_path.append("/drive/v3/files/");
// Assume we previously obtained the fileId for the file of interest...
let _ = sb_path.append("0B53Q6OSTWYolbUF6WS1Gei1oalk");

// Indicate that we want ALL possible fields.
// If no fields are indicated, then only the basic fields are returned.
let all_fields = "appProperties,capabilities,contentHints,createdTime,description,explicitlyTrashed,fileExtension,folderColorRgb,fullFileExtension,headRevisionId,iconLink,id,imageMediaMetadata,isAppAuthorized,kind,lastModifyingUser,md5Checksum,mimeType,modifiedByMeTime,modifiedTime,name,originalFilename,ownedByMe,owners,parents,permissions,properties,quotaBytesUsed,shared,sharedWithMeTime,sharingUser,size,spaces,starred,thumbnailLink,trashed,version,videoMediaMetadata,viewedByMe,viewedByMeTime,viewersCanCopyContent,webContentLink,webViewLink,writersCanShare".to_string();

let _ = rest.add_query_param("fields", &all_fields);

let Ok(json_response) = rest.full_request_no_body("GET", &sb_path.get_as_string().unwrap_or_default()) else {
    println!("{}", rest.last_error_text());
    return;
};

// A successful response will have a status code equal to 200.
if rest.response_status_code() != 200 {
    println!("response status code = {}", rest.response_status_code());
    println!("response status text = {}", rest.response_status_text());
    println!("response header: {}", rest.response_header());
    println!("response JSON: {}", json_response);
    return;
}

// ---------------------------------------------------
// Sample code for parsing this JSON is shown below...
// ---------------------------------------------------

// A successful response looks like this:
// {
//   "kind": "drive#file",
//   "id": "0B53Q6OSTWYolbUF6WS1Gei1oalk",
//   "name": "penguins.jpg",
//   "mimeType": "image/jpeg",
//   "starred": false,
//   "trashed": false,
//   "explicitlyTrashed": false,
//   "parents": [
//     "0B53Q6OSTWYola296ODZUSm5GYU0"
//   ],
//   "spaces": [
//     "drive"
//   ],
//   "version": "672",
//   "webContentLink": "https://docs.google.com/a/chilkatcloud.com/uc?id=0B53Q6OSTWYolbUF6WS1Gei1oalk&export=download",
//   "webViewLink": "https://drive.google.com/a/chilkatcloud.com/file/d/0B53Q6OSTWYolbUF6WS1Gei1oalk/view?usp=drivesdk",
//   "iconLink": "https://ssl.gstatic.com/docs/doclist/images/icon_11_image_list.png",
//   "thumbnailLink": "https://lh5.googleusercontent.com/uIV1dJdc8vsAQzaaIInpc9AV55AcdHhpM7fQeI2RN2qbCSnhjK9IDdNQAOTtkvjS9ZObqw=s220",
//   "viewedByMe": true,
//   "viewedByMeTime": "2016-10-08T12:38:02.258Z",
//   "createdTime": "2016-10-08T12:38:02.258Z",
//   "modifiedTime": "2016-10-08T12:38:02.258Z",
//   "modifiedByMeTime": "2016-10-08T12:38:02.258Z",
//   "owners": [
//     {
//       "kind": "drive#user",
//       "displayName": "Matthew Smith",
//       "me": true,
//       "permissionId": "08366696655122259092",
//       "emailAddress": "support@chilkatcloud.com"
//     }
//   ],
//   "lastModifyingUser": {
//     "kind": "drive#user",
//     "displayName": "Matthew Smith",
//     "me": true,
//     "permissionId": "08366696655122259092",
//     "emailAddress": "support@chilkatcloud.com"
//   },
//   "shared": false,
//   "ownedByMe": true,
//   "capabilities": {
//     "canEdit": true,
//     "canComment": true,
//     "canShare": true,
//     "canCopy": true,
//     "canReadRevisions": true
//   },
//   "viewersCanCopyContent": true,
//   "writersCanShare": true,
//   "permissions": [
//     {
//       "kind": "drive#permission",
//       "id": "08366696655122259092",
//       "type": "user",
//       "emailAddress": "support@chilkatcloud.com",
//       "role": "owner",
//       "displayName": "Matthew Smith"
//     }
//   ],
//   "originalFilename": "penguins.jpg",
//   "fullFileExtension": "jpg",
//   "fileExtension": "jpg",
//   "md5Checksum": "9d377b10ce778c4938b3c7e2c63a229a",
//   "size": "777835",
//   "quotaBytesUsed": "777835",
//   "headRevisionId": "0B53Q6OSTWYolUUlHVFhHdFlXQ0R1aHZuT0tORTVzc2h5NnZjPQ",
//   "imageMediaMetadata": {
//     "width": 1024,
//     "height": 768,
//     "rotation": 0,
//     "time": "2009:03:12 13:48:35"
//   },
//   "isAppAuthorized": false
// }

// Iterate over each file in the response and show the name, id, and mimeType.
let json = chilkat::JsonObject::new();
let _ = json.load(&json_response);

// Show the full JSON response.
json.set_emit_compact(false);
println!("{}", json.emit().unwrap_or_default());
println!("-");

// Demonstrate how to get pieces of information:
println!("Original Filename: {}", json.string_of("originalFilename").unwrap_or_default());

let was_last_modified_user_me = json.bool_of("lastModifyingUser.me");
println!("Was Last Modified by Me: {}", was_last_modified_user_me);

// Assuming this is an image file...
let width = json.int_of("imageMediaMetadata.width");
println!("Image Width: {}", width);

// Iterate over parents...
let mut i: i32 = 0;
let num_parents = json.size_of_array("parents");
i = 0;
while i < num_parents {
    json.set_i(i);
    println!("Parent {}: {}", i, json.string_of("parents[i]").unwrap_or_default());
    i = i + 1;
}

// Iterate over owners...
let num_owners = json.size_of_array("owners");
i = 0;
while i < num_owners {
    json.set_i(i);
    println!("Owner {}: kind={} displayName={}", i, json.string_of("owners[i].kind").unwrap_or_default(), json.string_of("owners[i].displayName").unwrap_or_default());
    i = i + 1;
}

// Iterate over permissions...
let num_permissions = json.size_of_array("permissions");
i = 0;
while i < num_permissions {
    json.set_i(i);
    println!("Permission {}: kind={} id={}", i, json.string_of("permissions[i].kind").unwrap_or_default(), json.string_of("permissions[i].id").unwrap_or_default());
    i = i + 1;
}