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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 "content/browser/tracing/trace_uploader.h" | |
6 | |
7 #include "base/files/file_path.h" | |
8 #include "base/files/file_util.h" | |
9 #include "base/memory/shared_memory.h" | |
10 #include "base/strings/string_number_conversions.h" | |
11 #include "base/strings/stringprintf.h" | |
12 #include "base/time/time.h" | |
13 #include "content/public/browser/browser_thread.h" | |
14 #include "net/base/mime_util.h" | |
15 #include "net/base/network_delegate.h" | |
16 #include "net/proxy/proxy_config.h" | |
17 #include "net/proxy/proxy_config_service.h" | |
18 #include "net/url_request/url_fetcher.h" | |
19 #include "net/url_request/url_request_context.h" | |
20 #include "net/url_request/url_request_context_builder.h" | |
21 #include "net/url_request/url_request_context_getter.h" | |
22 #include "third_party/zlib/zlib.h" | |
23 #include "url/gurl.h" | |
24 | |
25 using std::string; | |
26 | |
27 namespace content { | |
28 namespace { | |
29 const char kUploadContentType[] = "multipart/form-data"; | |
30 const char kMultipartBoundary[] = | |
31 "----**--yradnuoBgoLtrapitluMklaTelgooG--**----"; | |
32 | |
33 const int kHttpResponseOk = 200; | |
34 | |
35 } // namespace | |
36 | |
37 TraceUploader::TraceUploader(const std::string& product, | |
38 const std::string& version, | |
39 const std::string& upload_url, | |
40 net::URLRequestContextGetter* request_context) | |
41 : product_(product), | |
42 version_(version), | |
43 upload_url_(upload_url), | |
44 request_context_(request_context) { | |
45 DCHECK(!product_.empty()); | |
46 DCHECK(!version_.empty()); | |
47 DCHECK(!upload_url_.empty()); | |
48 } | |
49 | |
50 TraceUploader::~TraceUploader() { | |
51 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
52 } | |
53 | |
54 void TraceUploader::OnURLFetchComplete(const net::URLFetcher* source) { | |
55 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
56 DCHECK_EQ(source, url_fetcher_.get()); | |
57 int response_code = source->GetResponseCode(); | |
58 string report_id; | |
59 string error_message; | |
60 bool success = (response_code == kHttpResponseOk); | |
61 if (success) { | |
62 source->GetResponseAsString(&report_id); | |
63 } else { | |
64 error_message = "Uploading failed, response code: " + | |
65 base::IntToString(response_code); | |
66 } | |
67 | |
68 BrowserThread::PostTask( | |
69 content::BrowserThread::UI, | |
70 FROM_HERE, | |
71 base::Bind(done_callback_, success, report_id, error_message)); | |
72 url_fetcher_.reset(); | |
73 } | |
74 | |
75 void TraceUploader::OnURLFetchUploadProgress( | |
76 const net::URLFetcher* source, int64 current, int64 total) { | |
77 DCHECK(url_fetcher_.get()); | |
78 | |
79 LOG(WARNING) << "Upload progress: " << current << " of " << total; | |
80 BrowserThread::PostTask( | |
81 content::BrowserThread::UI, | |
82 FROM_HERE, | |
83 base::Bind(progress_callback_, current, total)); | |
84 } | |
85 | |
86 void TraceUploader::DoUpload( | |
87 const std::string& file_contents, | |
88 UploadProgressCallback progress_callback, | |
89 UploadDoneCallback done_callback) { | |
90 DCHECK_CURRENTLY_ON(BrowserThread::FILE); | |
91 DCHECK(!url_fetcher_.get()); | |
92 | |
93 progress_callback_ = progress_callback; | |
94 done_callback_ = done_callback; | |
95 | |
96 if (url_fetcher_.get()) { | |
97 OnUploadError("Already uploading."); | |
98 } | |
99 | |
100 scoped_ptr<char[]> compressed_contents(new char[kMaxUploadBytes]); | |
101 int compressed_bytes; | |
102 if (!Compress(file_contents, kMaxUploadBytes, compressed_contents.get(), | |
103 &compressed_bytes)) { | |
104 OnUploadError("Compressing file failed."); | |
105 return; | |
106 } | |
107 | |
108 std::string post_data; | |
109 SetupMultipart("trace.json.gz", | |
110 std::string(compressed_contents.get(), compressed_bytes), | |
111 &post_data); | |
112 | |
113 content::BrowserThread::PostTask( | |
114 content::BrowserThread::UI, FROM_HERE, | |
115 base::Bind(&TraceUploader::CreateAndStartURLFetcher, | |
116 base::Unretained(this), | |
117 post_data)); | |
118 } | |
119 | |
120 void TraceUploader::OnUploadError(std::string error_message) { | |
121 LOG(ERROR) << error_message; | |
122 content::BrowserThread::PostTask( | |
123 content::BrowserThread::UI, | |
124 FROM_HERE, | |
125 base::Bind(done_callback_, false, "", error_message)); | |
126 } | |
127 | |
128 void TraceUploader::SetupMultipart(const std::string& trace_filename, | |
129 const std::string& trace_contents, | |
130 std::string* post_data) { | |
131 net::AddMultipartValueForUpload("prod", product_, kMultipartBoundary, "", | |
132 post_data); | |
133 net::AddMultipartValueForUpload("ver", version_ + "-trace", | |
134 kMultipartBoundary, "", post_data); | |
135 net::AddMultipartValueForUpload("guid", "0", kMultipartBoundary, | |
136 "", post_data); | |
137 net::AddMultipartValueForUpload("type", "trace", kMultipartBoundary, | |
138 "", post_data); | |
139 // No minidump means no need for crash to process the report. | |
140 net::AddMultipartValueForUpload("should_process", "false", kMultipartBoundary, | |
141 "", post_data); | |
142 | |
143 AddTraceFile(trace_filename, trace_contents, post_data); | |
144 | |
145 net::AddMultipartFinalDelimiterForUpload(kMultipartBoundary, post_data); | |
146 } | |
147 | |
148 void TraceUploader::AddTraceFile(const std::string& trace_filename, | |
149 const std::string& trace_contents, | |
150 std::string* post_data) { | |
151 post_data->append("--"); | |
152 post_data->append(kMultipartBoundary); | |
153 post_data->append("\r\n"); | |
154 post_data->append("Content-Disposition: form-data; name=\"trace\""); | |
155 post_data->append("; filename=\""); | |
156 post_data->append(trace_filename); | |
157 post_data->append("\"\r\n"); | |
158 post_data->append("Content-Type: application/gzip\r\n\r\n"); | |
159 post_data->append(trace_contents); | |
160 post_data->append("\r\n"); | |
161 } | |
162 | |
163 bool TraceUploader::Compress(std::string input, | |
164 int max_compressed_bytes, | |
165 char* compressed, | |
166 int* compressed_bytes) { | |
167 DCHECK(compressed); | |
168 DCHECK(compressed_bytes); | |
169 z_stream stream = {0}; | |
170 int result = deflateInit2(&stream, | |
171 Z_DEFAULT_COMPRESSION, | |
172 Z_DEFLATED, | |
173 // 16 is added to produce a gzip header + trailer. | |
174 MAX_WBITS + 16, | |
175 8, // memLevel = 8 is default. | |
176 Z_DEFAULT_STRATEGY); | |
177 DCHECK_EQ(Z_OK, result); | |
178 stream.next_in = reinterpret_cast<uint8*>(&input[0]); | |
179 stream.avail_in = input.size(); | |
180 stream.next_out = reinterpret_cast<uint8*>(compressed); | |
181 stream.avail_out = max_compressed_bytes; | |
182 // Do a one-shot compression. This will return Z_STREAM_END only if |output| | |
183 // is large enough to hold all compressed data. | |
184 result = deflate(&stream, Z_FINISH); | |
185 bool success = (result == Z_STREAM_END); | |
186 result = deflateEnd(&stream); | |
187 DCHECK(result == Z_OK || result == Z_DATA_ERROR); | |
188 | |
189 if (success) | |
190 *compressed_bytes = max_compressed_bytes - stream.avail_out; | |
191 | |
192 LOG(WARNING) << "input size: " << input.size() | |
193 << ", output size: " << *compressed_bytes; | |
194 return success; | |
195 } | |
196 | |
197 void TraceUploader::CreateAndStartURLFetcher(const std::string& post_data) { | |
198 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
199 DCHECK(!url_fetcher_.get()); | |
200 | |
201 std::string content_type = kUploadContentType; | |
202 content_type.append("; boundary="); | |
203 content_type.append(kMultipartBoundary); | |
204 | |
205 url_fetcher_.reset( | |
206 net::URLFetcher::Create(GURL(upload_url_), net::URLFetcher::POST, this)); | |
207 url_fetcher_->SetRequestContext(request_context_); | |
208 url_fetcher_->SetUploadData(content_type, post_data); | |
209 url_fetcher_->Start(); | |
210 } | |
211 | |
212 } // namespace content | |
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