xref: /aosp_15_r20/external/webrtc/examples/turnserver/read_auth_file.cc (revision d9f758449e529ab9291ac668be2861e7a55c2422)
1 /*
2  *  Copyright 2018 The WebRTC Project Authors. All rights reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 #include "examples/turnserver/read_auth_file.h"
12 
13 #include <stddef.h>
14 
15 #include "absl/strings/string_view.h"
16 #include "api/array_view.h"
17 #include "rtc_base/string_encode.h"
18 
19 namespace webrtc_examples {
20 
ReadAuthFile(std::istream * s)21 std::map<std::string, std::string> ReadAuthFile(std::istream* s) {
22   std::map<std::string, std::string> name_to_key;
23   for (std::string line; std::getline(*s, line);) {
24     const size_t sep = line.find('=');
25     if (sep == std::string::npos)
26       continue;
27     char buf[32];
28     size_t len = rtc::hex_decode(rtc::ArrayView<char>(buf),
29                                  absl::string_view(line).substr(sep + 1));
30     if (len > 0) {
31       name_to_key.emplace(line.substr(0, sep), std::string(buf, len));
32     }
33   }
34   return name_to_key;
35 }
36 
37 }  // namespace webrtc_examples
38