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
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// Some Google related utility functions.
#ifndef CHROME_BROWSER_GOOGLE_GOOGLE_UTIL_H__
#define CHROME_BROWSER_GOOGLE_GOOGLE_UTIL_H__
#include <string>
#include "base/basictypes.h"
class GURL;
// This namespace provides various helpers around handling Google-related URLs.
namespace google_util {
// True iff |str| contains a "q=" query parameter with a non-empty value.
// |str| should be a query or a hash fragment, without the ? or # (as
// returned by GURL::query() or GURL::ref().
bool HasGoogleSearchQueryParam(const std::string& str);
// The query key that identifies a Google Extended API request for Instant.
const char kInstantExtendedAPIParam[] = "espv";
GURL LinkDoctorBaseURL();
void SetMockLinkDoctorBaseURLForTesting();
// Returns the Google locale corresponding to |application_locale|. This is
// the same string as AppendGoogleLocaleParam adds to the URL, only without the
// leading "hl".
std::string GetGoogleLocale(const std::string& application_locale);
// Adds the Google locale string to the URL (e.g., hl=en-US). This does not
// check to see if the param already exists.
GURL AppendGoogleLocaleParam(const GURL& url);
// String version of AppendGoogleLocaleParam.
std::string StringAppendGoogleLocaleParam(const std::string& url);
// Returns the Google country code string for the given Google homepage URL.
std::string GetGoogleCountryCode(GURL google_homepage_url);
// Returns the Google search URL for the given Google homepage URL.
GURL GetGoogleSearchURL(GURL google_homepage_url);
// Returns the Google base URL specified on the command line, if it exists.
// This performs some fixup and sanity-checking to ensure that the resulting URL
// is valid and has no query or ref.
GURL CommandLineGoogleBaseURL();
// Returns true if a Google base URL was specified on the command line and |url|
// begins with that base URL. This uses a simple string equality check.
bool StartsWithCommandLineGoogleBaseURL(const GURL& url);
// WARNING: The following IsGoogleXXX() functions use heuristics to rule out
// "obviously false" answers. They do NOT guarantee that the string in question
// is actually on a Google-owned domain, just that it looks plausible. If you
// need to restrict some behavior to only happen on Google's officially-owned
// domains, use TransportSecurityState::IsGooglePinnedProperty() instead.
// Designate whether or not a URL checking function also checks for specific
// subdomains, or only "www" and empty subdomains.
enum SubdomainPermission {
ALLOW_SUBDOMAIN,
DISALLOW_SUBDOMAIN,
};
// Designate whether or not a URL checking function also checks for standard
// ports (80 for http, 443 for https), or if it allows all port numbers.
enum PortPermission {
ALLOW_NON_STANDARD_PORTS,
DISALLOW_NON_STANDARD_PORTS,
};
// True if |host| is "[www.]google.<TLD>" with a valid TLD. If
// |subdomain_permission| is ALLOW_SUBDOMAIN, we check against host
// "*.google.<TLD>" instead.
//
// If the Google base URL has been overridden on the command line, this function
// will also return true for any URL whose hostname exactly matches the hostname
// of the URL specified on the command line. In this case,
// |subdomain_permission| is ignored.
bool IsGoogleHostname(const std::string& host,
SubdomainPermission subdomain_permission);
// True if |url| is a valid URL with a host that returns true for
// IsGoogleHostname(), and an HTTP or HTTPS scheme. If |port_permission| is
// DISALLOW_NON_STANDARD_PORTS, this also requires |url| to use the standard
// port for its scheme (80 for HTTP, 443 for HTTPS).
//
// Note that this only checks for google.<TLD> domains, but not other Google
// properties. There is code in variations_http_header_provider.cc that checks
// for additional Google properties, which can be moved here if more callers
// are interested in this in the future.
bool IsGoogleDomainUrl(const GURL& url,
SubdomainPermission subdomain_permission,
PortPermission port_permission);
// True if |url| represents a valid Google home page URL.
bool IsGoogleHomePageUrl(const GURL& url);
// True if |url| represents a valid Google search URL.
bool IsGoogleSearchUrl(const GURL& url);
} // namespace google_util
#endif // CHROME_BROWSER_GOOGLE_GOOGLE_UTIL_H__
|
