Method request

lib/index.js:2708–2789

* Makes a raw http request. * All other methods such as get, post, patch, and request ultimately call this. * Prefer get, del, post and patch

(verb, requestUrl, data, headers)

     * Prefer get, del, post and patch
     */
    request(verb, requestUrl, data, headers) {
        return __awaiter(this, void 0, void 0, function* () {
            if (this._disposed) {
                throw new Error('Client has already been disposed.');
            }
            const parsedUrl = new URL(requestUrl);
            let info = this._prepareRequest(verb, parsedUrl, headers);
            // Only perform retries on reads since writes may not be idempotent.
            const maxTries = this._allowRetries && RetryableHttpVerbs.includes(verb)
                ? this._maxRetries + 1
                : 1;
            let numTries = 0;
            let response;
            do {
                response = yield this.requestRaw(info, data);
                // Check if it's an authentication challenge
                if (response &&
                    response.message &&
                    response.message.statusCode === HttpCodes.Unauthorized) {
                    let authenticationHandler;
                    for (const handler of this.handlers) {
                        if (handler.canHandleAuthentication(response)) {
                            authenticationHandler = handler;
                            break;
                        }
                    }
                    if (authenticationHandler) {
                        return authenticationHandler.handleAuthentication(this, info, data);
                    }
                    else {
                        // We have received an unauthorized response but have no handlers to handle it.
                        // Let the response return to the caller.
                        return response;
                    }
                }
                let redirectsRemaining = this._maxRedirects;
                while (response.message.statusCode &&
                    HttpRedirectCodes.includes(response.message.statusCode) &&
                    this._allowRedirects &&
                    redirectsRemaining > 0) {
                    const redirectUrl = response.message.headers['location'];
                    if (!redirectUrl) {
                        // if there's no location to redirect to, we won't
                        break;
                    }
                    const parsedRedirectUrl = new URL(redirectUrl);
                    if (parsedUrl.protocol === 'https:' &&
                        parsedUrl.protocol !== parsedRedirectUrl.protocol &&
                        !this._allowRedirectDowngrade) {
                        throw new Error('Redirect from HTTPS to HTTP protocol. This downgrade is not allowed for security reasons. If you want to allow this behavior, set the allowRedirectDowngrade option to true.');
                    }
                    // we need to finish reading the response before reassigning response
                    // which will leak the open socket.
                    yield response.readBody();
                    // strip authorization header if redirected to a different hostname
                    if (parsedRedirectUrl.hostname !== parsedUrl.hostname) {
                        for (const header in headers) {
                            // header names are case insensitive