/** {@inheritDoc} */
public HttpResponse fetch(HttpRequest request) {
if (!whitelist.allows(request.getUri().toJavaUri())) {
log.warn(
"A request to "
+ request.getUri()
+ " has been denied. To allow requests to this URL add the application URL to your whitelist (http://confluence.atlassian.com/x/KQfCDQ ).");
return new HttpResponseBuilder()
.setHttpStatusCode(HttpResponse.SC_FORBIDDEN)
.setHeader("Content-Type", "text/plain")
.setResponseString(
"Requests to "
+ request.getUri()
+ " are not allowed. See your administrator about configuring a whitelist entry for this destination (http://confluence.atlassian.com/x/KQfCDQ ).")
.create();
}
HttpCacheKey cacheKey = new HttpCacheKey(request);
HttpResponse response = cache.getResponse(cacheKey, request);
if (response != null) {
return response;
}
try {
HttpUriRequest hcRequest = newHcRequest(request);
if (request.getPostBodyLength() > 0) {
((HttpEntityEnclosingRequest) hcRequest)
.setEntity(new InputStreamEntity(request.getPostBody(), request.getPostBodyLength()));
}
org.apache.http.HttpResponse hcResponse;
try {
// first try with TLS, the most common SSL protocol
hcResponse = newHttpClient("TLSv1", request).execute(hcRequest);
} catch (SSLException e) {
log.debug(
"SSL Exception establishing connection with TLSv1 protocol. Falling back to SSLv3.", e);
// if TLS failed, try with SSLv3
hcResponse = newHttpClient("SSLv3", request).execute(hcRequest);
}
response = makeResponse(hcResponse);
return cache.addResponse(cacheKey, request, response);
} catch (IOException e) {
if (e instanceof java.net.SocketTimeoutException || e instanceof java.net.SocketException) {
return HttpResponse.timeout();
} else {
log.error("Unable to retrieve response", e);
}
return HttpResponse.error();
}
}
@Test
public void testGetFallback() throws Exception {
String url = "http://example.org/file.evil";
String domain = "example.org";
String fallback_url = "http://fallback.com/fallback.png";
setupProxyRequestMock(domain, url, true, -1, null, fallback_url);
HttpRequest req = new HttpRequest(Uri.parse(url)).setIgnoreCache(true);
HttpResponse resp = HttpResponse.error();
HttpResponse fallback_resp = new HttpResponse("Fallback");
expect(pipeline.execute(req)).andReturn(resp);
expect(pipeline.execute(isA(HttpRequest.class))).andReturn(fallback_resp);
replay();
proxyHandler.fetch(request);
verify();
}