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1 // Copyright (c) 2012 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 "net/websockets/websocket_net_log_params.h"
6 
7 #include "base/strings/stringprintf.h"
8 #include "base/values.h"
9 
10 namespace net {
11 
NetLogWebSocketHandshakeCallback(const std::string * headers,NetLog::LogLevel)12 base::Value* NetLogWebSocketHandshakeCallback(
13     const std::string* headers,
14     NetLog::LogLevel /* log_level */) {
15   base::DictionaryValue* dict = new base::DictionaryValue();
16   base::ListValue* header_list = new base::ListValue();
17 
18   size_t last = 0;
19   size_t headers_size = headers->size();
20   size_t pos = 0;
21   while (pos <= headers_size) {
22     if (pos == headers_size ||
23         ((*headers)[pos] == '\r' &&
24          pos + 1 < headers_size && (*headers)[pos + 1] == '\n')) {
25       std::string entry = headers->substr(last, pos - last);
26       pos += 2;
27       last = pos;
28 
29       header_list->Append(new base::StringValue(entry));
30 
31       if (entry.empty()) {
32         // Dump WebSocket key3.
33         std::string key;
34         for (; pos < headers_size; ++pos) {
35           key += base::StringPrintf("\\x%02x", (*headers)[pos] & 0xff);
36         }
37         header_list->Append(new base::StringValue(key));
38         break;
39       }
40     } else {
41       ++pos;
42     }
43   }
44 
45   dict->Set("headers", header_list);
46   return dict;
47 }
48 
49 }  // namespace net
50