1/*
2 * Copyright (C) 2012, 2014, 2016 Igalia S.L.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "UserAgentQuirks.h"
28
29#include "PublicSuffix.h"
30#include <wtf/URL.h>
31
32namespace WebCore {
33
34// When editing the quirks in this file, be sure to update
35// Tools/TestWebKitAPI/Tests/WebCore/UserAgentQuirks.cpp.
36
37static bool isGoogle(const URL& url)
38{
39 String baseDomain = topPrivatelyControlledDomain(url.host().toString());
40
41 // Our Google UA is *very* complicated to get right. Read
42 // https://webkit.org/b/142074 carefully before changing. Test that Earth
43 // view is available in Google Maps. Test Google Calendar. Test downloading
44 // the Hangouts browser plugin. Test logging out and logging in to a Google
45 // account. Change platformVersionForUAString() to return "FreeBSD amd64"
46 // and test everything again.
47 if (baseDomain.startsWith("google."))
48 return true;
49 if (baseDomain == "gstatic.com")
50 return true;
51 if (baseDomain == "googleapis.com")
52 return true;
53 if (baseDomain == "googleusercontent.com")
54 return true;
55
56 return false;
57}
58
59// Be careful with this quirk: it's an invitation for sites to use JavaScript
60// that works in Chrome that WebKit cannot handle. Prefer other quirks instead.
61static bool urlRequiresChromeBrowser(const URL& url)
62{
63 String baseDomain = topPrivatelyControlledDomain(url.host().toString());
64
65 // Needed for fonts on many sites to work with WebKit.
66 // https://bugs.webkit.org/show_bug.cgi?id=147296
67 if (baseDomain == "typekit.net" || baseDomain == "typekit.com")
68 return true;
69
70 return false;
71}
72
73static bool urlRequiresMacintoshPlatform(const URL& url)
74{
75 String domain = url.host().toString();
76 String baseDomain = topPrivatelyControlledDomain(domain);
77
78 // At least finance.yahoo.com displays a mobile version with WebKitGTK+'s standard user agent.
79 if (baseDomain == "yahoo.com")
80 return true;
81
82 // taobao.com displays a mobile version with WebKitGTK+'s standard user agent.
83 if (baseDomain == "taobao.com")
84 return true;
85
86 // web.whatsapp.com completely blocks users with WebKitGTK+'s standard user agent.
87 if (baseDomain == "whatsapp.com")
88 return true;
89
90 // paypal.com completely blocks users with WebKitGTK+'s standard user agent.
91 if (baseDomain == "paypal.com")
92 return true;
93
94 // chase.com displays a huge "please update your browser" warning with
95 // WebKitGTK+'s standard user agent.
96 if (baseDomain == "chase.com")
97 return true;
98
99 // Microsoft Outlook Web App forces users with WebKitGTK+'s standard user
100 // agent to use the light version. Earlier versions even blocks users from
101 // accessing the calendar.
102 if (domain == "outlook.live.com" || domain == "mail.ntu.edu.tw")
103 return true;
104
105 // Google Docs shows a scary unsupported browser warning with WebKitGTK+'s
106 // standard user agent.
107 if (domain == "docs.google.com")
108 return true;
109
110 return false;
111}
112
113static bool urlRequiresLinuxDesktopPlatform(const URL& url)
114{
115 // docs.google.com requires the macOS platform quirk.
116 return isGoogle(url) && url.host() != "docs.google.com";
117}
118
119UserAgentQuirks UserAgentQuirks::quirksForURL(const URL& url)
120{
121 ASSERT(!url.isNull());
122
123 UserAgentQuirks quirks;
124
125 if (urlRequiresChromeBrowser(url))
126 quirks.add(UserAgentQuirks::NeedsChromeBrowser);
127
128 if (urlRequiresMacintoshPlatform(url))
129 quirks.add(UserAgentQuirks::NeedsMacintoshPlatform);
130 else if (urlRequiresLinuxDesktopPlatform(url))
131 quirks.add(UserAgentQuirks::NeedsLinuxDesktopPlatform);
132
133 return quirks;
134}
135
136String UserAgentQuirks::stringForQuirk(UserAgentQuirk quirk)
137{
138 switch (quirk) {
139 case NeedsChromeBrowser:
140 // Get versions from https://chromium.googlesource.com/chromium/src.git
141 return "Chrome/58.0.3029.81"_s;
142 case NeedsMacintoshPlatform:
143 return "Macintosh; Intel Mac OS X 10_13_4"_s;
144 case NeedsLinuxDesktopPlatform:
145 return "X11; Linux x86_64"_s;
146 case NumUserAgentQuirks:
147 default:
148 ASSERT_NOT_REACHED();
149 }
150 return ""_s;
151}
152
153}
154