/// <summary>
/// Calls the token endpoint to obtain an access token.
/// </summary>
/// <param name="body">The request body.</param>
/// <param name="errorMessage">The error message.</param>
protected void CallTokenEndpoint(string body) {
WebRequest request = HttpUtilities.BuildRequest(TOKEN_ENDPOINT, "POST", config);
request.ContentType = "application/x-www-form-urlencoded";
using (StreamWriter writer = new StreamWriter(request.GetRequestStream())) {
writer.Write(body);
}
LogEntry logEntry = new LogEntry(config, new DefaultDateTimeProvider());
logEntry.LogRequest(request, body, REQUEST_HEADERS_TO_MASK);
WebResponse response = null;
try {
response = request.GetResponse();
string contents = MediaUtilities.GetStreamContentsAsString(response.GetResponseStream());
logEntry.LogResponse(response, false, contents, RESPONSE_FIELDS_TO_MASK,
new JsonBodyFormatter());
logEntry.Flush();
Dictionary<string, string> values = ParseJsonObjectResponse(contents);
if (values.ContainsKey("access_token")) {
this.AccessToken = values["access_token"];
}
if (values.ContainsKey("refresh_token")) {
this.RefreshToken = values["refresh_token"];
}
if (values.ContainsKey("token_type")) {
this.tokenType = values["token_type"];
}
if (values.ContainsKey("expires_in")) {
this.expiresIn = int.Parse(values["expires_in"]);
}
this.updatedOn = DateTime.Now;
if (this.OnOAuthTokensObtained != null) {
this.OnOAuthTokensObtained(this);
}
} catch (WebException e) {
string contents = "";
response = e.Response;
try {
contents = MediaUtilities.GetStreamContentsAsString(response.GetResponseStream());
logEntry.LogResponse(response, true, contents, RESPONSE_FIELDS_TO_MASK,
new JsonBodyFormatter());
} catch {
contents = e.Message;
logEntry.LogResponse(response, true, contents);
}
logEntry.Flush();
throw new ApplicationException(contents, e);
} finally {
if (response != null) {
response.Close();
}
}
}
/// <summary>
/// Downloads a report to stream.
/// </summary>
/// <param name="downloadUrl">The download url.</param>
/// <param name="postBody">The POST body.</param>
private ReportResponse DownloadReport(string downloadUrl, string postBody)
{
AdWordsErrorHandler errorHandler = new AdWordsErrorHandler(this.User as AdWordsUser);
while (true) {
WebResponse response = null;
HttpWebRequest request = BuildRequest(downloadUrl, postBody);
LogEntry logEntry = new LogEntry(User.Config, new DefaultDateTimeProvider());
logEntry.LogRequest(request, postBody, HEADERS_TO_MASK);
try {
response = request.GetResponse();
logEntry.LogResponse(response, false, "Response truncated.");
logEntry.Flush();
return new ReportResponse(response);
} catch (WebException e) {
Exception reportsException = null;
string contents = HttpUtilities.GetErrorResponseBody(e);
logEntry.LogResponse(e.Response, true, contents);
logEntry.Flush();
reportsException = ParseException(e, contents);
if (AdWordsErrorHandler.IsOAuthTokenExpiredError(reportsException)) {
reportsException = new AdWordsCredentialsExpiredException(
request.Headers["Authorization"]);
}
if (errorHandler.ShouldRetry(reportsException)) {
errorHandler.PrepareForRetry(reportsException);
} else {
throw reportsException;
}
}
}
}
/// <summary>
/// Performs the SOAP and HTTP logging.
/// </summary>
/// <param name="service">The SOAP service.</param>
/// <param name="soapResponse">The SOAP response xml.</param>
/// <param name="soapRequest">The SOAP request xml.</param>
private void PerformLogging(AdsClient service, string soapRequest, string soapResponse) {
if (service == null || service.User == null || soapRequest == null || soapResponse == null) {
return;
}
bool isFailure = service.LastResponse != null && service.LastResponse is HttpWebResponse &&
(service.LastResponse as HttpWebResponse).StatusCode ==
HttpStatusCode.InternalServerError;
LogEntry logEntry = new LogEntry(config, dateTimeProvider);
logEntry.LogRequestDetails(service.LastRequest, soapRequest, GetFieldsToMask(),
new SoapTraceFormatter());
logEntry.LogResponseDetails(service.LastResponse, soapResponse, new HashSet<string>(),
new DefaultBodyFormatter());
logEntry.LogRequestSummary(service.LastRequest, GetSummaryRequestLogs(soapRequest));
logEntry.LogResponseSummary(isFailure, GetSummaryResponseLogs(soapResponse));
logEntry.Flush();
ContextStore.AddKey("FormattedSoapLog", logEntry.DetailedLog);
ContextStore.AddKey("FormattedRequestLog", logEntry.SummaryLog);
}
/// <summary>
/// Revokes the refresh token.
/// </summary>
/// <exception cref="ArgumentNullException">Thrown if one of the following
/// OAuth2 parameters are empty: RefreshToken.</exception>
public void RevokeRefreshToken() {
ValidateOAuth2Parameter("RefreshToken", RefreshToken);
string url = string.Format("{0}?token={1}", REVOKE_ENDPOINT, RefreshToken);
WebRequest request = HttpWebRequest.Create(url);
request.Proxy = config.Proxy;
LogEntry logEntry = new LogEntry(this.Config, new DefaultDateTimeProvider());
logEntry.LogRequest(request, "", new HashSet<string>());
WebResponse response = null;
try {
response = request.GetResponse();
string contents = MediaUtilities.GetStreamContentsAsString(response.GetResponseStream());
logEntry.LogResponse(response, false, contents);
logEntry.Flush();
} catch (WebException e) {
string contents = "";
response = e.Response;
try {
contents = MediaUtilities.GetStreamContentsAsString(response.GetResponseStream());
} catch {
contents = e.Message;
}
logEntry.LogResponse(response, true, contents);
logEntry.Flush();
throw new AdsOAuthException("Failed to revoke refresh token.\n" + contents, e);
} finally {
if (response != null) {
response.Close();
}
}
}
/// <summary>
/// Uploads a chunk of data for the batch job.
/// </summary>
/// <param name="url">The resumable upload URL.</param>
/// <param name="postBody">The post body.</param>
/// <param name="start">The start of range of bytes to be uploaded.</param>
/// <param name="end">The end of range of bytes to be uploaded.</param>
private void UploadChunk(string url, byte[] postBody, int start, int end)
{
BulkJobErrorHandler errorHandler = new BulkJobErrorHandler(user);
while (true) {
WebResponse response = null;
LogEntry logEntry = new LogEntry(User.Config, new DefaultDateTimeProvider());
int bytesToWrite = end - start + 1;
HttpWebRequest request = (HttpWebRequest) HttpUtilities.BuildRangeRequest(
url, bytesToWrite,
string.Format("bytes {0}-{1}/{2}", start, end, postBody.Length), user.Config);
request.ContentType = "application/xml";
try {
using (Stream requestStream = request.GetRequestStream()) {
requestStream.Write(postBody, start, bytesToWrite);
}
logEntry.LogRequest(request, "Truncated", HEADERS_TO_MASK);
response = request.GetResponse();
logEntry.LogResponse(response, true, "");
logEntry.Flush();
return;
} catch (WebException e) {
response = e.Response;
if (IsPartialUploadSuccessResponse(e)) {
logEntry.LogResponse(e.Response, true, "");
logEntry.Flush();
return;
} else {
HandleCloudException(errorHandler, logEntry, e);
}
}
}
}
/// <summary>
/// Handles the exception from Google Cloud Storage servers when uploading
/// operations.
/// </summary>
/// <param name="errorHandler">The error handler.</param>
/// <param name="logEntry">The log entry.</param>
/// <param name="e">The web exception that was thrown by the server.</param>
/// <returns>True if this is a success, false if this was a server error.
/// </returns>
private void HandleCloudException(BulkJobErrorHandler errorHandler, LogEntry logEntry,
WebException e)
{
Exception downloadException = null;
using (WebResponse response = e.Response) {
string contents = HttpUtilities.GetErrorResponseBody(e);
logEntry.LogResponse(response, false, contents);
logEntry.Flush();
downloadException = ParseException(e, contents);
if (errorHandler.ShouldRetry(downloadException)) {
errorHandler.PrepareForRetry(downloadException);
} else {
throw downloadException;
}
}
}
/// <summary>
/// Gets the upload progress.
/// </summary>
/// <param name="url">The resumable upload URL.</param>
/// <param name="totalLength">The total length of upload.</param>
/// <returns>The number of bytes uploaded so far.</returns>
private int GetUploadProgress(string url, int totalLength)
{
int retval = 0;
BulkJobErrorHandler errorHandler = new BulkJobErrorHandler(user);
while (true) {
WebResponse response = null;
WebRequest request = HttpUtilities.BuildRangeRequest(url, 0,
string.Format("bytes */{0}", totalLength), user.Config);
LogEntry logEntry = new LogEntry(User.Config, new DefaultDateTimeProvider());
logEntry.LogRequest(request, "Truncated", HEADERS_TO_MASK);
try {
response = request.GetResponse();
} catch (WebException e) {
if (IsPartialUploadSuccessResponse(e)) {
retval = ExtractUpperRange(e.Response.Headers["Range"], retval);
logEntry.LogResponse(e.Response, true, "");
logEntry.Flush();
break;
} else {
HandleCloudException(errorHandler, logEntry, e);
}
}
}
return retval;
}
/// <summary>
/// Downloads the batch job results from a specified URL.
/// </summary>
/// <param name="url">The download URL from a batch job.</param>
/// <returns>The results from the batch job.</returns>
public BatchJobMutateResponse Download(string url)
{
BulkJobErrorHandler errorHandler = new BulkJobErrorHandler(user);
while (true) {
WebRequest request = HttpUtilities.BuildRequest(url, "GET", user.Config);
WebResponse response = null;
LogEntry logEntry = new LogEntry(User.Config, new DefaultDateTimeProvider());
logEntry.LogRequest(request, "", HEADERS_TO_MASK);
try {
response = request.GetResponse();
string contents = MediaUtilities.GetStreamContentsAsString(
response.GetResponseStream());
logEntry.LogResponse(response, false, contents);
logEntry.Flush();
return ParseResponse(contents);
} catch (WebException e) {
HandleCloudException(errorHandler, logEntry, e);
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="TraceHelperTests"/> class.
/// </summary>
public TraceHelperTests() {
logEntry = new LogEntry(CONFIG, DATE_PROVIDER);
}
