Question

我能够获取访问令牌和刷新令牌，但是当我尝试发出POST请求以将文件上传到Google云端硬盘时，出现401错误。我相信我没有正确设置请求的主体以上传文件（仍然不能100％知道如何做到），但是如果那是问题，我预计会出现400错误。

我尝试了https://airbrake.io/blog/http-errors/401-unauthorized-error此处提供的说明，例如清除浏览器缓存和登录/注销帐户。我还确保我使用的是Google在其文档中列出的正确URL。我的第一种方法负责获取访问令牌。第二个负责上传。

void
googleDriveInterface::getAuthentication() {
   google = new QOAuth2AuthorizationCodeFlow;
   google->setScope("https://www.googleapis.com/auth/drive");
   QObject::connect(google, &QOAuth2AuthorizationCodeFlow::authorizeWithBrowser, &QDesktopServices::openUrl); //this connection opens authorization URL in user's default browser

QJsonDocument credentials = getCredentials("googleDriveCredentials.json"); //json file data is loaded into credentials

//parse JSON
const auto object = credentials.object();
const auto settingsObject = object["installed"].toObject();
const QUrl authUri(settingsObject["auth_uri"].toString());
const auto clientID = settingsObject["client_id"].toString();
const QUrl tokenUri(settingsObject["token_uri"].toString());
const auto clientSecret(settingsObject["client_secret"].toString());
const auto redirectUris = settingsObject["redirect_uris"].toArray();
const QUrl redirectUri(redirectUris[0].toString()); //get first URI
const auto port = static_cast<quint16>(redirectUri.port()); // port needed to for QOAuthHttpServerReplyHandler

google->setAuthorizationUrl(authUri);
google->setClientIdentifier(clientID);
google->setAccessTokenUrl(tokenUri);
google->setClientIdentifierSharedKey(clientSecret);

auto replyHandler = new QOAuthHttpServerReplyHandler(port, this);
google->setReplyHandler(replyHandler);

QObject::connect(google, SIGNAL(granted()), this, SLOT(slotSetAuthToken())); //save token when access is granted
QObject::connect(google, SIGNAL(granted()), this, SLOT(testSlot()));
google->grant(); //start authorization process
}

void
googleDriveInterface::uploadFile(const QString &filePath) {
    QUrl uploadURL("https://www.googleapis.com/upload/drive/v3/files?uploadType=resumable");
    QNetworkRequest request(uploadURL);

QFile file(filePath);
if (!file.open(QIODevice::ReadOnly)) {
    qDebug() << "unable to open: " << filePath << " for upload:" << file.errorString();
    return;
}

//get size of file and save as qbytearray for request header
QByteArray fileSize;
fileSize.setNum(file.size());

//get MIME type of file
QMimeDatabase mimeDB; //contains a database of all MIME types
QMimeType mime = mimeDB.mimeTypeForFile(filePath);
QByteArray mimeType = mime.name().toUtf8();

QByteArray test = authToken.toUtf8();
//set headers
request.setRawHeader("Authorization", authToken.toUtf8()); //convert authToken to QByteArray when we set header;
request.setRawHeader("Content-Type", "application/json; charset=UTF-8");
request.setRawHeader("Content-Length", fileSize);
request.setRawHeader("X-Upload-Content-Type", mimeType);

QByteArray fileData = file.readAll();
file.close();

networkReply = networkManager->post(request, fileData);
QObject::connect(networkReply, SIGNAL(metaDataChanged()), this, SLOT(testSlot1()));
}

我期望获得200个状态，但如前所述，我正在获得错误401错误。

Answer 1

未经授权的错误401

基本上意味着您所提出的请求尚未得到授权。

我不是C ++开发人员，这只是我的oauth2知识的猜测。据我所见，访问令牌必须是不记名令牌。

request.setRawHeader("Authorization", "bearer " authToken.toUtf8());

如何修复401：发出POST请求时出现未经授权的错误C ++ / Qt

1 个答案: