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1 // Copyright (c) 2011 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/google/google_util.h"
6 
7 #include <string>
8 
9 #include "base/string_util.h"
10 #include "chrome/browser/browser_process.h"
11 #include "chrome/browser/google/google_url_tracker.h"
12 #include "googleurl/src/gurl.h"
13 #include "net/base/registry_controlled_domain.h"
14 
15 namespace {
16 
17 // A helper method for adding a query param to |url|.
AppendParam(const GURL & url,const std::string & param_name,const std::string & param_value)18 GURL AppendParam(const GURL& url,
19                  const std::string& param_name,
20                  const std::string& param_value) {
21   std::string query(url.query());
22   if (!query.empty())
23     query += "&";
24   query += param_name + "=" + param_value;
25   GURL::Replacements repl;
26   repl.SetQueryStr(query);
27   return url.ReplaceComponents(repl);
28 }
29 
30 }  // anonymous namespace
31 
32 namespace google_util {
33 
34 const char kLinkDoctorBaseURL[] =
35     "http://linkhelp.clients.google.com/tbproxy/lh/fixurl";
36 
AppendGoogleLocaleParam(const GURL & url)37 GURL AppendGoogleLocaleParam(const GURL& url) {
38   // Google does not yet recognize 'nb' for Norwegian Bokmal, but it uses
39   // 'no' for that.
40   std::string locale = g_browser_process->GetApplicationLocale();
41   if (locale == "nb")
42     locale = "no";
43   return AppendParam(url, "hl", locale);
44 }
45 
StringAppendGoogleLocaleParam(const std::string & url)46 std::string StringAppendGoogleLocaleParam(const std::string& url) {
47   GURL original_url(url);
48   DCHECK(original_url.is_valid());
49   GURL localized_url = AppendGoogleLocaleParam(original_url);
50   return localized_url.spec();
51 }
52 
AppendGoogleTLDParam(const GURL & url)53 GURL AppendGoogleTLDParam(const GURL& url) {
54   const std::string google_domain(
55       net::RegistryControlledDomainService::GetDomainAndRegistry(
56           GoogleURLTracker::GoogleURL()));
57   const size_t first_dot = google_domain.find('.');
58   if (first_dot == std::string::npos) {
59     NOTREACHED();
60     return url;
61   }
62   return AppendParam(url, "sd", google_domain.substr(first_dot + 1));
63 }
64 
65 }  // namespace google_util
66