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Side by Side Diff: chrome/common/net/x509_certificate_model.cc

Issue 3565006: Decouples certificates viewers from NSS to prepare support for OpenSSL. (Closed)
Patch Set: Comments / ProcessIDN Created 10 years, 2 months ago
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1 // Copyright (c) 2010 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 "chrome/common/net/x509_certificate_model.h"
6
7 #include <unicode/uidna.h>
8
9 #include "app/l10n_util.h"
10 #include "base/utf_string_conversions.h"
11 #include "grit/generated_resources.h"
12
13 namespace x509_certificate_model {
14
15 std::string ProcessIDN(const std::string& input) {
16 // Convert the ASCII input to a string16 for ICU.
17 string16 input16;
18 input16.reserve(input.length());
19 std::copy(input.begin(), input.end(), std::back_inserter(input16));
20
21 string16 output16;
22 output16.resize(input.length());
23
24 UErrorCode status = U_ZERO_ERROR;
25 int output_chars = uidna_IDNToUnicode(input16.data(), input.length(),
26 &output16[0], output16.length(),
27 UIDNA_DEFAULT, NULL, &status);
28 if (status == U_ZERO_ERROR) {
29 output16.resize(output_chars);
30 } else if (status != U_BUFFER_OVERFLOW_ERROR) {
31 return input;
32 } else {
33 output16.resize(output_chars);
34 output_chars = uidna_IDNToUnicode(input16.data(), input.length(),
35 &output16[0], output16.length(),
36 UIDNA_DEFAULT, NULL, &status);
37 if (status != U_ZERO_ERROR)
38 return input;
39 DCHECK_EQ(static_cast<size_t>(output_chars), output16.length());
40 output16.resize(output_chars); // Just to be safe.
41 }
42
43 if (input16 == output16)
44 return input; // Input did not contain any encoded data.
45
46 // Input contained encoded data, return formatted string showing original and
47 // decoded forms.
48 return l10n_util::GetStringFUTF8(IDS_CERT_INFO_IDN_VALUE_FORMAT,
49 input16, output16);
50 }
51
52 } // x509_certificate_model
53
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