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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "remoting/test/host_list_fetcher.h"
#include "base/bind.h"
#include "base/callback_helpers.h"
#include "base/json/json_reader.h"
#include "base/logging.h"
#include "base/thread_task_runner_handle.h"
#include "base/values.h"
#include "net/http/http_status_code.h"
#include "net/url_request/url_fetcher.h"
#include "remoting/base/url_request_context_getter.h"
namespace remoting {
namespace test {
HostListFetcher::HostListFetcher() {
}
HostListFetcher::~HostListFetcher() {
}
void HostListFetcher::RetrieveHostlist(
const std::string& access_token,
const HostlistCallback& callback) {
VLOG(2) << "HostListFetcher::RetrieveHostlist() called";
DCHECK(!access_token.empty());
DCHECK(!callback.is_null());
DCHECK(hostlist_callback_.is_null());
hostlist_callback_ = callback;
request_context_getter_ = new remoting::URLRequestContextGetter(
base::ThreadTaskRunnerHandle::Get(), // network_runner
base::ThreadTaskRunnerHandle::Get()); // file_runner
request_ = net::URLFetcher::Create(
GURL(kHostListProdRequestUrl), net::URLFetcher::GET, this);
request_->SetRequestContext(request_context_getter_.get());
request_->AddExtraRequestHeader("Authorization: OAuth " + access_token);
request_->Start();
}
bool HostListFetcher::ProcessResponse(
std::vector<HostInfo>* hostlist) {
int response_code = request_->GetResponseCode();
if (response_code != net::HTTP_OK) {
LOG(ERROR) << "Hostlist request failed with error code: " << response_code;
return false;
}
std::string response_string;
if (!request_->GetResponseAsString(&response_string)) {
LOG(ERROR) << "Failed to retrieve Hostlist response data";
return false;
}
scoped_ptr<base::Value> response_value(
base::JSONReader::Read(response_string));
if (!response_value ||
!response_value->IsType(base::Value::TYPE_DICTIONARY)) {
LOG(ERROR) << "Failed to parse response string to JSON";
return false;
}
const base::DictionaryValue* response;
if (!response_value->GetAsDictionary(&response)) {
LOG(ERROR) << "Failed to convert parsed JSON to a dictionary object";
return false;
}
const base::DictionaryValue* data = nullptr;
if (!response->GetDictionary("data", &data)) {
LOG(ERROR) << "Hostlist response data is empty";
return false;
}
const base::ListValue* hosts = nullptr;
if (!data->GetList("items", &hosts)) {
LOG(ERROR) << "Failed to find hosts in Hostlist response data";
return false;
}
// Any host_info with malformed data will not be added to the hostlist.
base::DictionaryValue* host_dict;
for (base::Value* host_info : *hosts) {
HostInfo host;
if (host_info->GetAsDictionary(&host_dict) &&
host.ParseHostInfo(*host_dict)) {
hostlist->push_back(host);
}
}
return true;
}
void HostListFetcher::OnURLFetchComplete(
const net::URLFetcher* source) {
DCHECK(source);
VLOG(2) << "URL Fetch Completed for: " << source->GetOriginalURL();
std::vector<HostInfo> hostlist;
if (!ProcessResponse(&hostlist)) {
hostlist.clear();
}
base::ResetAndReturn(&hostlist_callback_).Run(hostlist);
}
} // namespace test
} // namespace remoting
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