1 // Copyright 2012 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.
5 #include "chrome/browser/ui/toolbar/toolbar_model_impl.h"
7 #include "base/command_line.h"
8 #include "base/prefs/pref_service.h"
9 #include "base/strings/utf_string_conversions.h"
10 #include "chrome/browser/autocomplete/autocomplete_classifier.h"
11 #include "chrome/browser/autocomplete/autocomplete_classifier_factory.h"
12 #include "chrome/browser/autocomplete/autocomplete_input.h"
13 #include "chrome/browser/autocomplete/autocomplete_match.h"
14 #include "chrome/browser/google/google_util.h"
15 #include "chrome/browser/policy/profile_policy_connector.h"
16 #include "chrome/browser/policy/profile_policy_connector_factory.h"
17 #include "chrome/browser/profiles/profile.h"
18 #include "chrome/browser/search/search.h"
19 #include "chrome/browser/ssl/ssl_error_info.h"
20 #include "chrome/browser/ui/toolbar/toolbar_model_delegate.h"
21 #include "chrome/common/chrome_constants.h"
22 #include "chrome/common/chrome_switches.h"
23 #include "chrome/common/pref_names.h"
24 #include "chrome/common/url_constants.h"
25 #include "content/public/browser/cert_store.h"
26 #include "content/public/browser/navigation_controller.h"
27 #include "content/public/browser/navigation_entry.h"
28 #include "content/public/browser/web_contents.h"
29 #include "content/public/browser/web_ui.h"
30 #include "content/public/common/content_constants.h"
31 #include "content/public/common/ssl_status.h"
32 #include "grit/generated_resources.h"
33 #include "grit/theme_resources.h"
34 #include "net/base/net_util.h"
35 #include "net/cert/cert_status_flags.h"
36 #include "net/cert/x509_certificate.h"
37 #include "ui/base/l10n/l10n_util.h"
39 using content::NavigationController;
40 using content::NavigationEntry;
41 using content::SSLStatus;
42 using content::WebContents;
44 ToolbarModelImpl::ToolbarModelImpl(ToolbarModelDelegate* delegate)
45 : delegate_(delegate) {
48 ToolbarModelImpl::~ToolbarModelImpl() {
51 ToolbarModel::SecurityLevel ToolbarModelImpl::GetSecurityLevelForWebContents(
52 content::WebContents* web_contents) {
56 NavigationEntry* entry = web_contents->GetController().GetVisibleEntry();
60 const SSLStatus& ssl = entry->GetSSL();
61 switch (ssl.security_style) {
62 case content::SECURITY_STYLE_UNKNOWN:
63 case content::SECURITY_STYLE_UNAUTHENTICATED:
66 case content::SECURITY_STYLE_AUTHENTICATION_BROKEN:
67 return SECURITY_ERROR;
69 case content::SECURITY_STYLE_AUTHENTICATED:
70 if (policy::ProfilePolicyConnectorFactory::GetForProfile(
71 Profile::FromBrowserContext(web_contents->GetBrowserContext()))->
72 UsedPolicyCertificates())
73 return SECURITY_POLICY_WARNING;
74 if (!!(ssl.content_status & SSLStatus::DISPLAYED_INSECURE_CONTENT))
75 return SECURITY_WARNING;
76 if (net::IsCertStatusError(ssl.cert_status)) {
77 DCHECK(net::IsCertStatusMinorError(ssl.cert_status));
78 return SECURITY_WARNING;
80 if ((ssl.cert_status & net::CERT_STATUS_IS_EV) &&
81 content::CertStore::GetInstance()->RetrieveCert(ssl.cert_id, NULL))
91 // ToolbarModelImpl Implementation.
92 string16 ToolbarModelImpl::GetText(bool allow_search_term_replacement) const {
93 if (allow_search_term_replacement) {
94 string16 search_terms(GetSearchTerms(false));
95 if (!search_terms.empty())
98 std::string languages; // Empty if we don't have a |navigation_controller|.
99 Profile* profile = GetProfile();
101 languages = profile->GetPrefs()->GetString(prefs::kAcceptLanguages);
104 if (url.spec().length() > content::kMaxURLDisplayChars)
105 url = url.IsStandard() ? url.GetOrigin() : GURL(url.scheme() + ":");
106 // Note that we can't unescape spaces here, because if the user copies this
107 // and pastes it into another program, that program may think the URL ends at
109 return AutocompleteInput::FormattedStringWithEquivalentMeaning(
110 url, net::FormatUrl(url, languages, net::kFormatUrlOmitAll,
111 net::UnescapeRule::NORMAL, NULL, NULL, NULL));
114 string16 ToolbarModelImpl::GetCorpusNameForMobile() const {
115 if (!WouldPerformSearchTermReplacement(false))
118 // If there is a query in the url fragment look for the corpus name there,
119 // otherwise look for the corpus name in the query parameters.
120 const std::string& query_str(google_util::HasGoogleSearchQueryParam(
121 url.ref()) ? url.ref() : url.query());
122 url_parse::Component query(0, query_str.length()), key, value;
123 const char kChipKey[] = "sboxchip";
124 while (url_parse::ExtractQueryKeyValue(query_str.c_str(), &query, &key,
126 if (key.is_nonempty() && query_str.substr(key.begin, key.len) == kChipKey) {
127 return net::UnescapeAndDecodeUTF8URLComponent(
128 query_str.substr(value.begin, value.len),
129 net::UnescapeRule::NORMAL, NULL);
135 GURL ToolbarModelImpl::GetURL() const {
136 const NavigationController* navigation_controller = GetNavigationController();
137 if (navigation_controller) {
138 const NavigationEntry* entry = navigation_controller->GetVisibleEntry();
140 return ShouldDisplayURL() ? entry->GetVirtualURL() : GURL();
143 return GURL(content::kAboutBlankURL);
146 bool ToolbarModelImpl::WouldPerformSearchTermReplacement(
147 bool ignore_editing) const {
148 return !GetSearchTerms(ignore_editing).empty();
151 bool ToolbarModelImpl::ShouldDisplayURL() const {
152 // Note: The order here is important.
153 // - The WebUI test must come before the extension scheme test because there
154 // can be WebUIs that have extension schemes (e.g. the bookmark manager). In
155 // that case, we should prefer what the WebUI instance says.
156 // - The view-source test must come before the NTP test because of the case
157 // of view-source:chrome://newtab, which should display its URL despite what
158 // chrome://newtab says.
159 NavigationController* controller = GetNavigationController();
160 NavigationEntry* entry = controller ? controller->GetVisibleEntry() : NULL;
162 if (entry->IsViewSourceMode() ||
163 entry->GetPageType() == content::PAGE_TYPE_INTERSTITIAL) {
167 GURL url = entry->GetURL();
168 GURL virtual_url = entry->GetVirtualURL();
169 if (url.SchemeIs(chrome::kChromeUIScheme) ||
170 virtual_url.SchemeIs(chrome::kChromeUIScheme)) {
171 if (!url.SchemeIs(chrome::kChromeUIScheme))
173 return url.host() != chrome::kChromeUINewTabHost;
177 if (chrome::IsInstantNTP(delegate_->GetActiveWebContents()))
183 ToolbarModel::SecurityLevel ToolbarModelImpl::GetSecurityLevel(
184 bool ignore_editing) const {
185 // When editing, assume no security style.
186 return (input_in_progress() && !ignore_editing) ?
187 NONE : GetSecurityLevelForWebContents(delegate_->GetActiveWebContents());
190 int ToolbarModelImpl::GetIcon() const {
191 if (WouldPerformSearchTermReplacement(false))
192 return IDR_OMNIBOX_SEARCH_SECURED;
194 static int icon_ids[NUM_SECURITY_LEVELS] = {
195 IDR_LOCATION_BAR_HTTP,
196 IDR_OMNIBOX_HTTPS_VALID,
197 IDR_OMNIBOX_HTTPS_VALID,
198 IDR_OMNIBOX_HTTPS_WARNING,
199 IDR_OMNIBOX_HTTPS_POLICY_WARNING,
200 IDR_OMNIBOX_HTTPS_INVALID,
202 DCHECK(arraysize(icon_ids) == NUM_SECURITY_LEVELS);
203 return icon_ids[GetSecurityLevel(false)];
206 string16 ToolbarModelImpl::GetEVCertName() const {
207 DCHECK_EQ(EV_SECURE, GetSecurityLevel(false));
208 scoped_refptr<net::X509Certificate> cert;
209 // Note: Navigation controller and active entry are guaranteed non-NULL or
210 // the security level would be NONE.
211 content::CertStore::GetInstance()->RetrieveCert(
212 GetNavigationController()->GetVisibleEntry()->GetSSL().cert_id, &cert);
213 return GetEVCertName(*cert.get());
217 string16 ToolbarModelImpl::GetEVCertName(const net::X509Certificate& cert) {
218 // EV are required to have an organization name and country.
219 if (cert.subject().organization_names.empty() ||
220 cert.subject().country_name.empty()) {
225 return l10n_util::GetStringFUTF16(
226 IDS_SECURE_CONNECTION_EV,
227 UTF8ToUTF16(cert.subject().organization_names[0]),
228 UTF8ToUTF16(cert.subject().country_name));
231 NavigationController* ToolbarModelImpl::GetNavigationController() const {
232 // This |current_tab| can be NULL during the initialization of the
233 // toolbar during window creation (i.e. before any tabs have been added
235 WebContents* current_tab = delegate_->GetActiveWebContents();
236 return current_tab ? ¤t_tab->GetController() : NULL;
239 Profile* ToolbarModelImpl::GetProfile() const {
240 NavigationController* navigation_controller = GetNavigationController();
241 return navigation_controller ?
242 Profile::FromBrowserContext(navigation_controller->GetBrowserContext()) :
246 string16 ToolbarModelImpl::GetSearchTerms(bool ignore_editing) const {
247 if (!search_term_replacement_enabled() ||
248 (input_in_progress() && !ignore_editing))
251 const WebContents* web_contents = delegate_->GetActiveWebContents();
252 string16 search_terms(chrome::GetSearchTerms(web_contents));
253 if (search_terms.empty())
254 return string16(); // We mainly do this to enforce the subsequent DCHECK.
256 // If the page is still loading and the security style is unknown, consider
257 // the page secure. Without this, after the user hit enter on some search
258 // terms, the omnibox would change to displaying the loading URL before
259 // changing back to the search terms once they could be extracted, thus
260 // causing annoying flicker.
261 DCHECK(web_contents);
262 const NavigationController& nav_controller = web_contents->GetController();
263 const NavigationEntry* entry = nav_controller.GetVisibleEntry();
264 if ((entry != nav_controller.GetLastCommittedEntry()) &&
265 (entry->GetSSL().security_style == content::SECURITY_STYLE_UNKNOWN))
268 // If the URL is using a Google base URL specified via the command line, we
269 // bypass the security check below.
271 google_util::StartsWithCommandLineGoogleBaseURL(entry->GetVirtualURL()))
274 // Otherwise, extract search terms for HTTPS pages that do not have a security
276 ToolbarModel::SecurityLevel security_level = GetSecurityLevel(ignore_editing);
277 return ((security_level == NONE) || (security_level == SECURITY_ERROR)) ?
278 string16() : search_terms;