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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 "chrome/browser/ui/views/signed_certificate_timestamp_info_view.h"
      6 
      7 #include <algorithm>
      8 
      9 #include "base/i18n/time_formatting.h"
     10 #include "base/strings/string16.h"
     11 #include "base/strings/string_number_conversions.h"
     12 #include "base/strings/utf_string_conversions.h"
     13 #include "chrome/common/net/x509_certificate_model.h"
     14 #include "grit/generated_resources.h"
     15 #include "net/cert/signed_certificate_timestamp.h"
     16 #include "ui/base/l10n/l10n_util.h"
     17 #include "ui/native_theme/native_theme.h"
     18 #include "ui/views/controls/label.h"
     19 #include "ui/views/layout/grid_layout.h"
     20 #include "ui/views/layout/layout_constants.h"
     21 
     22 namespace {
     23 
     24 // Adjustment to the spacing between subsequent label-field lines.
     25 const int kExtraLineHeightPadding = 3;
     26 
     27 int HashAlgorithmToResourceID(
     28     net::ct::DigitallySigned::HashAlgorithm hash_algorithm) {
     29   switch (hash_algorithm) {
     30     case net::ct::DigitallySigned::HASH_ALGO_NONE:
     31       return IDS_SCT_HASH_ALGORITHM_NONE;
     32     case net::ct::DigitallySigned::HASH_ALGO_MD5:
     33       return IDS_SCT_HASH_ALGORITHM_MD5;
     34     case net::ct::DigitallySigned::HASH_ALGO_SHA1:
     35       return IDS_SCT_HASH_ALGORITHM_SHA1;
     36     case net::ct::DigitallySigned::HASH_ALGO_SHA224:
     37       return IDS_SCT_HASH_ALGORITHM_SHA224;
     38     case net::ct::DigitallySigned::HASH_ALGO_SHA256:
     39       return IDS_SCT_HASH_ALGORITHM_SHA256;
     40     case net::ct::DigitallySigned::HASH_ALGO_SHA384:
     41       return IDS_SCT_HASH_ALGORITHM_SHA384;
     42     case net::ct::DigitallySigned::HASH_ALGO_SHA512:
     43       return IDS_SCT_HASH_ALGORITHM_SHA512;
     44   }
     45   return IDS_SCT_HASH_ALGORITHM_NONE;
     46 }
     47 
     48 int SignatureAlgorithmToResourceID(
     49     net::ct::DigitallySigned::SignatureAlgorithm signature_algorithm) {
     50   switch (signature_algorithm) {
     51     case net::ct::DigitallySigned::SIG_ALGO_ANONYMOUS:
     52       return IDS_SCT_SIGNATURE_ALGORITHM_ANONYMOUS;
     53     case net::ct::DigitallySigned::SIG_ALGO_RSA:
     54       return IDS_SCT_SIGNATURE_ALGORITHM_RSA;
     55     case net::ct::DigitallySigned::SIG_ALGO_DSA:
     56       return IDS_SCT_SIGNATURE_ALGORITHM_DSA;
     57     case net::ct::DigitallySigned::SIG_ALGO_ECDSA:
     58       return IDS_SCT_SIGNATURE_ALGORITHM_ECDSA;
     59   }
     60   return IDS_SCT_SIGNATURE_ALGORITHM_ANONYMOUS;
     61 }
     62 
     63 int VersionToResourceID(int version) {
     64   return version == 0 ? IDS_SCT_VERSION_V1 : IDS_SCT_VERSION_UNKNOWN;
     65 }
     66 
     67 }  // namespace
     68 
     69 namespace chrome {
     70 namespace ct {
     71 
     72 int StatusToResourceID(net::ct::SCTVerifyStatus status) {
     73   switch (status) {
     74     case net::ct::SCT_STATUS_NONE:
     75       return IDS_SCT_STATUS_NONE;
     76     case net::ct::SCT_STATUS_LOG_UNKNOWN:
     77       return IDS_SCT_STATUS_LOG_UNKNOWN;
     78     case net::ct::SCT_STATUS_INVALID:
     79       return IDS_SCT_STATUS_INVALID;
     80     case net::ct::SCT_STATUS_OK:
     81       return IDS_SCT_STATUS_OK;
     82     case net::ct::SCT_STATUS_MAX:
     83       break;
     84   }
     85 
     86   return IDS_SCT_STATUS_NONE;
     87 }
     88 
     89 int SCTOriginToResourceID(const net::ct::SignedCertificateTimestamp& sct) {
     90   switch (sct.origin) {
     91     case net::ct::SignedCertificateTimestamp::SCT_EMBEDDED:
     92       return IDS_SCT_ORIGIN_EMBEDDED;
     93     case net::ct::SignedCertificateTimestamp::SCT_FROM_TLS_EXTENSION:
     94       return IDS_SCT_ORIGIN_TLS_EXTENSION;
     95     case net::ct::SignedCertificateTimestamp::SCT_FROM_OCSP_RESPONSE:
     96       return IDS_SCT_ORIGIN_OCSP;
     97     case net::ct::SignedCertificateTimestamp::SCT_ORIGIN_MAX:
     98       break;
     99   }
    100   return IDS_SCT_ORIGIN_UNKNOWN;
    101 }
    102 
    103 }  // namespace ct
    104 }  // namespace chrome
    105 
    106 // SignedCertificateTimestampInfoView, public:
    107 
    108 SignedCertificateTimestampInfoView::SignedCertificateTimestampInfoView()
    109     : status_value_field_(NULL),
    110       origin_value_field_(NULL),
    111       version_value_field_(NULL),
    112       log_id_value_field_(NULL),
    113       timestamp_value_field_(NULL),
    114       hash_algorithm_value_field_(NULL),
    115       signature_algorithm_value_field_(NULL),
    116       signature_data_value_field_(NULL) {}
    117 
    118 SignedCertificateTimestampInfoView::~SignedCertificateTimestampInfoView() {}
    119 
    120 void SignedCertificateTimestampInfoView::SetSignedCertificateTimestamp(
    121     const net::ct::SignedCertificateTimestamp& sct,
    122     net::ct::SCTVerifyStatus status) {
    123   status_value_field_->SetText(
    124       l10n_util::GetStringUTF16(chrome::ct::StatusToResourceID(status)));
    125   origin_value_field_->SetText(
    126       l10n_util::GetStringUTF16(chrome::ct::SCTOriginToResourceID(sct)));
    127   version_value_field_->SetText(
    128       l10n_util::GetStringUTF16(VersionToResourceID(sct.version)));
    129   log_description_value_field_->SetText(base::UTF8ToUTF16(sct.log_description));
    130   timestamp_value_field_->SetText(
    131       base::TimeFormatFriendlyDateAndTime(sct.timestamp));
    132 
    133   hash_algorithm_value_field_->SetText(l10n_util::GetStringUTF16(
    134       HashAlgorithmToResourceID(sct.signature.hash_algorithm)));
    135   signature_algorithm_value_field_->SetText(l10n_util::GetStringUTF16(
    136       SignatureAlgorithmToResourceID(sct.signature.signature_algorithm)));
    137 
    138   // The log_id and signature_data fields contain binary data, format it
    139   // accordingly before displaying.
    140   log_id_value_field_->SetText(
    141       base::UTF8ToUTF16(x509_certificate_model::ProcessRawBytes(
    142           reinterpret_cast<const unsigned char*>(sct.log_id.c_str()),
    143           sct.log_id.length())));
    144   signature_data_value_field_->SetText(
    145       base::UTF8ToUTF16(x509_certificate_model::ProcessRawBytes(
    146           reinterpret_cast<const unsigned char*>(
    147               sct.signature.signature_data.c_str()),
    148           sct.signature.signature_data.length())));
    149 
    150   Layout();
    151 }
    152 
    153 void SignedCertificateTimestampInfoView::ViewHierarchyChanged(
    154     const ViewHierarchyChangedDetails& details) {
    155   if (details.is_add && details.child == this)
    156     Init();
    157 }
    158 
    159 void SignedCertificateTimestampInfoView::AddLabelRow(int layout_id,
    160                                                      views::GridLayout* layout,
    161                                                      int label_message_id,
    162                                                      views::Label* data_label) {
    163   layout->StartRow(0, layout_id);
    164   layout->AddView(
    165       new views::Label(l10n_util::GetStringUTF16(label_message_id)));
    166   layout->AddView(
    167       data_label, 2, 1, views::GridLayout::LEADING, views::GridLayout::CENTER);
    168   layout->AddPaddingRow(0, kExtraLineHeightPadding);
    169 }
    170 
    171 void SignedCertificateTimestampInfoView::Init() {
    172   status_value_field_ = new views::Label;
    173   origin_value_field_ = new views::Label;
    174   version_value_field_ = new views::Label;
    175   log_description_value_field_ = new views::Label;
    176   log_id_value_field_ = new views::Label;
    177   log_id_value_field_->SetMultiLine(true);
    178   log_id_value_field_->SetAllowCharacterBreak(true);
    179   log_id_value_field_->SetTooltipText(
    180       l10n_util::GetStringUTF16(IDS_SCT_RAW_DATA_HELP));
    181 
    182   timestamp_value_field_ = new views::Label;
    183   hash_algorithm_value_field_ = new views::Label;
    184   signature_algorithm_value_field_ = new views::Label;
    185   signature_data_value_field_ = new views::Label;
    186   signature_data_value_field_->SetMultiLine(true);
    187   signature_data_value_field_->SetAllowCharacterBreak(true);
    188   signature_data_value_field_->SetTooltipText(
    189       l10n_util::GetStringUTF16(IDS_SCT_RAW_DATA_HELP));
    190 
    191   views::GridLayout* layout = new views::GridLayout(this);
    192   layout->SetInsets(
    193       0, views::kButtonHEdgeMarginNew, 0, views::kButtonHEdgeMarginNew);
    194   SetLayoutManager(layout);
    195 
    196   const int three_column_layout_id = 0;
    197   views::ColumnSet* column_set = layout->AddColumnSet(three_column_layout_id);
    198   column_set->AddColumn(views::GridLayout::LEADING,
    199                         views::GridLayout::CENTER,
    200                         0,
    201                         views::GridLayout::USE_PREF,
    202                         0,
    203                         0);
    204   column_set->AddPaddingColumn(0, views::kRelatedControlHorizontalSpacing);
    205   column_set->AddColumn(views::GridLayout::TRAILING,
    206                         views::GridLayout::CENTER,
    207                         0,
    208                         views::GridLayout::USE_PREF,
    209                         0,
    210                         0);
    211   column_set->AddColumn(views::GridLayout::FILL,
    212                         views::GridLayout::CENTER,
    213                         1,
    214                         views::GridLayout::USE_PREF,
    215                         0,
    216                         0);
    217 
    218   AddLabelRow(three_column_layout_id,
    219               layout,
    220               IDS_SCT_VALIDATION_INFO,
    221               status_value_field_);
    222   AddLabelRow(
    223       three_column_layout_id, layout, IDS_SCT_ORIGIN, origin_value_field_);
    224   AddLabelRow(
    225       three_column_layout_id, layout, IDS_SCT_VERSION, version_value_field_);
    226   AddLabelRow(three_column_layout_id,
    227               layout,
    228               IDS_SCT_LOG_DESCRIPTION,
    229               log_description_value_field_);
    230   AddLabelRow(
    231       three_column_layout_id, layout, IDS_SCT_LOGID, log_id_value_field_);
    232   AddLabelRow(three_column_layout_id,
    233               layout,
    234               IDS_SCT_TIMESTAMP,
    235               timestamp_value_field_);
    236   AddLabelRow(three_column_layout_id,
    237               layout,
    238               IDS_SCT_HASH_ALGORITHM,
    239               hash_algorithm_value_field_);
    240   AddLabelRow(three_column_layout_id,
    241               layout,
    242               IDS_SCT_SIGNATURE_ALGORITHM,
    243               signature_algorithm_value_field_);
    244   AddLabelRow(three_column_layout_id,
    245               layout,
    246               IDS_SCT_SIGNATURE_DATA,
    247               signature_data_value_field_);
    248 }
    249