summaryrefslogtreecommitdiffstats
path: root/components/certerror/content/aboutCertError.xhtml
blob: c8a7e44f01b5b96dea5ab4fb94fcda75fd2702b2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE html [
  <!ENTITY % htmlDTD
    PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
    "DTD/xhtml1-strict.dtd">
  %htmlDTD;
  <!ENTITY % globalDTD
    SYSTEM "chrome://global/locale/global.dtd">
  %globalDTD;
  <!ENTITY % certerrorDTD
    SYSTEM "chrome://browser/locale/aboutCertError.dtd">
  %certerrorDTD;
]>

<!-- This Source Code Form is subject to the terms of the Mozilla Public
   - License, v. 2.0. If a copy of the MPL was not distributed with this
   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <title>&certerror.pagetitle;</title>
    <link rel="stylesheet" href="chrome://browser/skin/aboutCertError.css" type="text/css" media="all" />
    <link rel="stylesheet" href="chrome://browser/content/certerror/aboutCertError.css" type="text/css" media="all" />
    <!-- This page currently uses the same favicon as neterror.xhtml.
         If the location of the favicon is changed for both pages, the
         FAVICON_ERRORPAGE_URL symbol in toolkit/components/places/src/nsFaviconService.h
         should be updated. If this page starts using a different favicon
         than neterror.xhtml nsFaviconService->SetAndLoadFaviconForPage
         should be updated to ignore this one as well. -->
    <link rel="icon" type="image/png" id="favicon" href="chrome://global/skin/icons/warning-16.png"/>

    <script type="application/javascript"><![CDATA[
      // Error url MUST be formatted like this:
      //   about:certerror?e=error&u=url&d=desc

      // Note that this file uses document.documentURI to get
      // the URL (with the format from above). This is because
      // document.location.href gets the current URI off the docshell,
      // which is the URL displayed in the location bar, i.e.
      // the URI that the user attempted to load.

      function getCSSClass()
      {
        var url = document.documentURI;
        var matches = url.match(/s\=([^&]+)\&/);
        // s is optional, if no match just return nothing
        if (!matches || matches.length < 2)
          return "";

        // parenthetical match is the second entry
        return decodeURIComponent(matches[1]);
      }

      function getDescription()
      {
        var url = document.documentURI;
        var desc = url.search(/d\=/);

        // desc == -1 if not found; if so, return an empty string
        // instead of what would turn out to be portions of the URI
        if (desc == -1)
          return "";

        return decodeURIComponent(url.slice(desc + 2));
      }

      function initPage()
      {
        // Replace the "#1" string in the intro with the hostname.  Trickier
        // than it might seem since we want to preserve the <b> tags, but
        // not allow for any injection by just using innerHTML.  Instead,
        // just find the right target text node.
        var intro = document.getElementById('introContentP1');
        function replaceWithHost(node) {
          if (node.textContent == "#1")
            node.textContent = location.host;
          else
            for(var i = 0; i < node.childNodes.length; i++)
              replaceWithHost(node.childNodes[i]);
        };
        replaceWithHost(intro);
        
        if (getCSSClass() == "expertBadCert") {
          toggle('technicalContent');
          toggle('expertContent');
        }

        // Disallow overrides if this is a Strict-Transport-Security
        // host and the cert is bad (STS Spec section 7.3) or if the
        // certerror is in a frame (bug 633691).
        if (getCSSClass() == "badStsCert" || window != top)
          document.getElementById("expertContent").setAttribute("hidden", "true");
        
        var tech = document.getElementById("technicalContentText");
        if (tech)
          tech.textContent = getDescription();
        
        addDomainErrorLink();
      }
      
      /* In the case of SSL error pages about domain mismatch, see if
         we can hyperlink the user to the correct site.  We don't want
         to do this generically since it allows MitM attacks to redirect
         users to a site under attacker control, but in certain cases
         it is safe (and helpful!) to do so.  Bug 402210
      */
      function addDomainErrorLink() {
        // Rather than textContent, we need to treat description as HTML
        var sd = document.getElementById("technicalContentText");
        if (sd) {
          var desc = getDescription();
          
          // sanitize description text - see bug 441169
          
          // First, find the index of the <a> tag we care about, being careful not to
          // use an over-greedy regex
          var re = /<a id="cert_domain_link" title="([^"]+)">/;
          var result = re.exec(desc);
          if(!result)
            return;
          
          // Remove sd's existing children
          sd.textContent = "";

          // Everything up to the link should be text content
          sd.appendChild(document.createTextNode(desc.slice(0, result.index)));
          
          // Now create the link itself
          var anchorEl = document.createElement("a");
          anchorEl.setAttribute("id", "cert_domain_link");
          anchorEl.setAttribute("title", result[1]);
          anchorEl.appendChild(document.createTextNode(result[1]));
          sd.appendChild(anchorEl);
          
          // Finally, append text for anything after the closing </a>
          sd.appendChild(document.createTextNode(desc.slice(desc.indexOf("</a>") + "</a>".length)));
        }

        var link = document.getElementById('cert_domain_link');
        if (!link)
          return;
        
        var okHost = link.getAttribute("title");
        var thisHost = document.location.hostname;
        var proto = document.location.protocol;

        // If okHost is a wildcard domain ("*.example.com") let's
        // use "www" instead.  "*.example.com" isn't going to
        // get anyone anywhere useful. bug 432491
        okHost = okHost.replace(/^\*\./, "www.");

        /* case #1: 
         * example.com uses an invalid security certificate.
         *
         * The certificate is only valid for www.example.com
         *
         * Make sure to include the "." ahead of thisHost so that
         * a MitM attack on paypal.com doesn't hyperlink to "notpaypal.com"
         *
         * We'd normally just use a RegExp here except that we lack a
         * library function to escape them properly (bug 248062), and
         * domain names are famous for having '.' characters in them,
         * which would allow spurious and possibly hostile matches.
         */
        if (endsWith(okHost, "." + thisHost))
          link.href = proto + okHost;

        /* case #2:
         * browser.garage.maemo.org uses an invalid security certificate.
         *
         * The certificate is only valid for garage.maemo.org
         */
        if (endsWith(thisHost, "." + okHost))
          link.href = proto + okHost;
          
        // If we set a link, meaning there's something helpful for
        // the user here, expand the section by default
        if (link.href && getCSSClass() != "expertBadCert")
          toggle("technicalContent");
      }
      
      function endsWith(haystack, needle) {
        return haystack.slice(-needle.length) == needle;
      }

      function toggle(id) {
        var el = document.getElementById(id);
        if (el.getAttribute("collapsed"))
          el.removeAttribute("collapsed");
        else
          el.setAttribute("collapsed", true);
      }
    ]]></script>
  </head>

  <body dir="&locale.dir;">

    <!-- PAGE CONTAINER (for styling purposes only) -->
    <div id="errorPageContainer">
    
      <!-- Error Title -->
      <div id="errorTitle">
        <h1 id="errorTitleText">&certerror.longpagetitle;</h1>
      </div>
      
      <!-- LONG CONTENT (the section most likely to require scrolling) -->
      <div id="errorLongContent">
        <div id="introContent">
          <p id="introContentP1">&certerror.introPara1;</p>
          <p>&certerror.introPara2;</p>
        </div>
        
        <div id="whatShouldIDoContent">
          <h2>&certerror.whatShouldIDo.heading;</h2>
          <div id="whatShouldIDoContentText">
            <p>&certerror.whatShouldIDo.content;</p>
            <button id='getMeOutOfHereButton'>&certerror.getMeOutOfHere.label;</button>
          </div>
        </div>
        
        <!-- The following sections can be unhidden by default by setting the
             "browser.xul.error_pages.expert_bad_cert" pref to true -->
        <h2 id="technicalContent" class="expander" collapsed="true">
          <button onclick="toggle('technicalContent');">&certerror.technical.heading;</button>
        </h2>
        <p id="technicalContentText"/>
        
        <h2 id="expertContent" class="expander" collapsed="true">
          <button onclick="toggle('expertContent');">&certerror.expert.heading;</button>
        </h2>
        <div>
          <p>&certerror.expert.content;</p>
          <p>&certerror.expert.contentPara2;</p>
          <button id='exceptionDialogButton'>&certerror.addException.label;</button>
        </div>
      </div>
    </div>

    <!--
    - Note: It is important to run the script this way, instead of using
    - an onload handler. This is because error pages are loaded as
    - LOAD_BACKGROUND, which means that onload handlers will not be executed.
    -->
    <script type="application/javascript">initPage();</script>

  </body>
</html>