1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "components/metrics/net/net_metrics_log_uploader.h"
6
7 #include "base/metrics/histogram.h"
8 #include "net/base/load_flags.h"
9 #include "net/url_request/url_fetcher.h"
10 #include "url/gurl.h"
11
12 namespace metrics {
13
NetMetricsLogUploader(net::URLRequestContextGetter * request_context_getter,const std::string & server_url,const std::string & mime_type,const base::Callback<void (int)> & on_upload_complete)14 NetMetricsLogUploader::NetMetricsLogUploader(
15 net::URLRequestContextGetter* request_context_getter,
16 const std::string& server_url,
17 const std::string& mime_type,
18 const base::Callback<void(int)>& on_upload_complete)
19 : MetricsLogUploader(server_url, mime_type, on_upload_complete),
20 request_context_getter_(request_context_getter) {
21 }
22
~NetMetricsLogUploader()23 NetMetricsLogUploader::~NetMetricsLogUploader() {
24 }
25
UploadLog(const std::string & compressed_log_data,const std::string & log_hash)26 bool NetMetricsLogUploader::UploadLog(const std::string& compressed_log_data,
27 const std::string& log_hash) {
28 current_fetch_.reset(
29 net::URLFetcher::Create(GURL(server_url_), net::URLFetcher::POST, this));
30 current_fetch_->SetRequestContext(request_context_getter_);
31 current_fetch_->SetUploadData(mime_type_, compressed_log_data);
32
33 // Tell the server that we're uploading gzipped protobufs.
34 current_fetch_->SetExtraRequestHeaders("content-encoding: gzip");
35
36 DCHECK(!log_hash.empty());
37 current_fetch_->AddExtraRequestHeader("X-Chrome-UMA-Log-SHA1: " + log_hash);
38
39 // We already drop cookies server-side, but we might as well strip them out
40 // client-side as well.
41 current_fetch_->SetLoadFlags(net::LOAD_DO_NOT_SAVE_COOKIES |
42 net::LOAD_DO_NOT_SEND_COOKIES);
43 current_fetch_->Start();
44 return true;
45 }
46
OnURLFetchComplete(const net::URLFetcher * source)47 void NetMetricsLogUploader::OnURLFetchComplete(const net::URLFetcher* source) {
48 // We're not allowed to re-use the existing |URLFetcher|s, so free them here.
49 // Note however that |source| is aliased to the fetcher, so we should be
50 // careful not to delete it too early.
51 DCHECK_EQ(current_fetch_.get(), source);
52
53 int response_code = source->GetResponseCode();
54 if (response_code == net::URLFetcher::RESPONSE_CODE_INVALID)
55 response_code = -1;
56 on_upload_complete_.Run(response_code);
57 current_fetch_.reset();
58 }
59
60 } // namespace metrics
61