/**
* Construct an HttpResponse from a builder (called by HttpResponseBuilder.create).
*/
public sResponse(HttpResponseBuilder builder)
{
httpStatusCode = builder.getHttpStatusCode();
NameValueCollection headerCopy = new NameValueCollection {
builder.getHeaders()
};
// Always safe, HttpResponseBuilder won't modify the body.
responseBytes = builder.getResponse();
Dictionary <String, String> metadataCopy = new Dictionary <string, string>(builder.getMetadata());
metadata = metadataCopy;
// We want to modify the headers to ensure that the proper Content-Type and Date headers
// have been set. This allows us to avoid these expensive calculations from the cache.
date = getAndUpdateDate(headerCopy);
headers = headerCopy;
encoding = getAndUpdateEncoding(headerCopy, responseBytes);
Encoding encoder = Encoding.GetEncoding(encoding);
if (responseBytes != null)
{
responseString = encoder.GetString(responseBytes);
}
// Strip BOM if present
if (responseString.Length > 0 && responseString[0] == 0xFEFF)
{
responseString = responseString.Substring(1);
}
}
public HttpResponseBuilder(HttpResponseBuilder builder)
{
httpStatusCode = builder.httpStatusCode;
headers.Add(builder.headers);
foreach (var item in builder.metadata)
{
metadata.Add(item.Key, item.Value);
}
responseBytes = builder.responseBytes;
}
public HttpResponseBuilder(HttpResponseBuilder builder)
{
httpStatusCode = builder.httpStatusCode;
headers.Add(builder.headers);
foreach (var item in builder.metadata)
{
metadata.Add(item.Key, item.Value);
}
responseBytes = builder.responseBytes;
}
public sResponse addResponse(sRequest request, sResponse response)
{
if (isCacheable(request) && isCacheable(response))
{
// Both are cacheable. Check for forced cache TTL overrides.
HttpResponseBuilder responseBuilder = new HttpResponseBuilder(response);
int forcedTtl = request.CacheTtl;
if (forcedTtl != -1)
{
responseBuilder.setCacheTtl(forcedTtl);
}
response = responseBuilder.create();
String keyString = createKey(request);
addResponseImpl(keyString, response);
}
return response;
}
public sResponse addResponse(sRequest request, sResponse response)
{
if (isCacheable(request) && isCacheable(response))
{
// Both are cacheable. Check for forced cache TTL overrides.
HttpResponseBuilder responseBuilder = new HttpResponseBuilder(response);
int forcedTtl = request.CacheTtl;
if (forcedTtl != -1)
{
responseBuilder.setCacheTtl(forcedTtl);
}
response = responseBuilder.create();
String keyString = createKey(request);
addResponseImpl(keyString, response);
}
return(response);
}
/**
* Construct an HttpResponse from a builder (called by HttpResponseBuilder.create).
*/
public sResponse(HttpResponseBuilder builder)
{
httpStatusCode = builder.getHttpStatusCode();
NameValueCollection headerCopy = new NameValueCollection {builder.getHeaders()};
// Always safe, HttpResponseBuilder won't modify the body.
responseBytes = builder.getResponse();
Dictionary<String, String> metadataCopy = new Dictionary<string,string>(builder.getMetadata());
metadata = metadataCopy;
// We want to modify the headers to ensure that the proper Content-Type and Date headers
// have been set. This allows us to avoid these expensive calculations from the cache.
date = getAndUpdateDate(headerCopy);
headers = headerCopy;
encoding = getAndUpdateEncoding(headerCopy, responseBytes);
Encoding encoder = Encoding.GetEncoding(encoding);
if (responseBytes != null)
{
responseString = encoder.GetString(responseBytes);
}
// Strip BOM if present
if (responseString.Length > 0 && responseString[0] == 0xFEFF)
{
responseString = responseString.Substring(1);
}
}
/**
* Access token data is returned to the gadget as json key/value pairs:
*
* { "user_id": "12345678" }
*/
private HttpResponseBuilder formatAccessTokenData()
{
HttpResponseBuilder builder = new HttpResponseBuilder();
builder.setHeader("Content-Type", "application/json; charset=utf-8");
builder.setHttpStatusCode((int)HttpStatusCode.OK);
// no need to cache this, these requests should be fairly rare, and the results should be
// cached in gadget.
builder.setStrictNoCache();
JsonObject json = new JsonObject(accessTokenData);
builder.setResponseString(json.ToString());
return builder;
}
/**
* Get honest-to-goodness user data.
*
* @throws OAuthProtocolException if the service provider returns an OAuth
* related error instead of user data.
*/
private HttpResponseBuilder fetchData()
{
HttpResponseBuilder builder;
if (accessTokenData != null)
{
// This is a request for access token data, return it.
builder = formatAccessTokenData();
}
else
{
sRequest signed = sanitizeAndSign(realRequest, null);
sResponse response = fetchFromServer(signed);
checkForProtocolProblem(response);
builder = new HttpResponseBuilder(response);
}
return builder;
}
/**
* Fetch data and build a response to return to the client. We try to always return something
* reasonable to the calling app no matter what kind of madness happens along the way. If an
* unchecked exception occurs, well, then the client is out of luck.
*/
private sResponse fetchNoThrow()
{
HttpResponseBuilder response = null;
try
{
accessorInfo = fetcherConfig.getTokenStore().getOAuthAccessor(
realRequest.getSecurityToken(), realRequest.getOAuthArguments(), clientState,
responseParams);
response = fetchWithRetry();
}
catch (OAuthResponseParams.OAuthRequestException e)
{
// No data for us.
responseParams.logDetailedWarning("OAuth fetch fatal error", e);
responseParams.setSendTraceToClient(true);
if (response == null)
{
response = new HttpResponseBuilder()
.setHttpStatusCode(sResponse.SC_FORBIDDEN);
responseParams.addToResponse(response);
return response.create();
}
}
// OK, got some data back, annotate it as necessary.
if (response.getHttpStatusCode() >= 400)
{
responseParams.logDetailedWarning("OAuth fetch fatal error");
responseParams.setSendTraceToClient(true);
}
else if (responseParams.getAznUrl() != null && responseParams.sawErrorResponse())
{
responseParams.logDetailedWarning("OAuth fetch error, reprompting for user approval");
responseParams.setSendTraceToClient(true);
}
responseParams.addToResponse(response);
return response.create();
}
public void addToResponse(HttpResponseBuilder response)
{
if (!newClientState.isEmpty())
{
try
{
response.setMetadata(CLIENT_STATE, newClientState.getEncryptedState());
}
catch (BlobCrypterException e)
{
// Configuration error somewhere, this should never happen.
throw e;
}
}
if (!String.IsNullOrEmpty(aznUrl))
{
response.setMetadata(APPROVAL_URL, aznUrl);
}
if (error != null)
{
response.setMetadata(ERROR_CODE, error);
}
if (errorText != null || sendTraceToClient)
{
StringBuilder verboseError = new StringBuilder();
if (errorText != null)
{
verboseError.Append(errorText);
}
if (sendTraceToClient)
{
verboseError.Append('\n');
verboseError.Append(getRequestTrace());
}
response.setMetadata(ERROR_TEXT, verboseError.ToString());
}
}
