| // Copyright 2014 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 COMPONENTS_GOOGLE_CORE_BROWSER_GOOGLE_UTIL_H__ |
| #define COMPONENTS_GOOGLE_CORE_BROWSER_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, |
| const std::string& application_locale); |
| |
| // 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); |
| |
| // True if |url| is a valid youtube.<TLD> URL. 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). |
| bool IsYoutubeDomainUrl(const GURL& url, |
| SubdomainPermission subdomain_permission, |
| PortPermission port_permission); |
| |
| } // namespace google_util |
| |
| #endif // COMPONENTS_GOOGLE_CORE_BROWSER_GOOGLE_UTIL_H__ |