1 // Copyright 2013 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/ui/webui/signin/inline_login_handler.h"
6 
7 #include <limits.h>
8 #include <string>
9 #include <utility>
10 #include <vector>
11 
12 #include "base/bind.h"
13 #include "base/metrics/user_metrics.h"
14 #include "base/strings/string_number_conversions.h"
15 #include "base/strings/utf_string_conversions.h"
16 #include "base/values.h"
17 #include "build/build_config.h"
18 #include "chrome/browser/browser_process.h"
19 #include "chrome/browser/profiles/profile.h"
20 #include "chrome/browser/signin/signin_promo.h"
21 #include "chrome/browser/ui/browser_finder.h"
22 #include "chrome/browser/ui/browser_navigator.h"
23 #include "chrome/browser/ui/browser_navigator_params.h"
24 #include "chrome/browser/ui/user_manager.h"
25 #include "chrome/browser/ui/webui/signin/signin_utils.h"
26 #include "chrome/common/pref_names.h"
27 #include "components/metrics/metrics_pref_names.h"
28 #include "components/prefs/pref_service.h"
29 #include "components/signin/public/base/signin_pref_names.h"
30 #include "content/public/browser/storage_partition.h"
31 #include "content/public/browser/web_contents.h"
32 #include "content/public/browser/web_ui.h"
33 #include "google_apis/gaia/gaia_urls.h"
34 #include "net/base/url_util.h"
35 #include "services/network/public/mojom/cookie_manager.mojom.h"
36 
37 const char kSignInPromoQueryKeyShowAccountManagement[] =
38     "showAccountManagement";
39 
InlineLoginHandler()40 InlineLoginHandler::InlineLoginHandler() {}
41 
~InlineLoginHandler()42 InlineLoginHandler::~InlineLoginHandler() {}
43 
RegisterMessages()44 void InlineLoginHandler::RegisterMessages() {
45   web_ui()->RegisterMessageCallback(
46       "initialize",
47       base::BindRepeating(&InlineLoginHandler::HandleInitializeMessage,
48                           base::Unretained(this)));
49   web_ui()->RegisterMessageCallback(
50       "authExtensionReady",
51       base::BindRepeating(&InlineLoginHandler::HandleAuthExtensionReadyMessage,
52                           base::Unretained(this)));
53   web_ui()->RegisterMessageCallback(
54       "completeLogin",
55       base::BindRepeating(&InlineLoginHandler::HandleCompleteLoginMessage,
56                           base::Unretained(this)));
57   web_ui()->RegisterMessageCallback(
58       "switchToFullTab",
59       base::BindRepeating(&InlineLoginHandler::HandleSwitchToFullTabMessage,
60                           base::Unretained(this)));
61   web_ui()->RegisterMessageCallback(
62       "dialogClose", base::BindRepeating(&InlineLoginHandler::HandleDialogClose,
63                                          base::Unretained(this)));
64 }
65 
HandleInitializeMessage(const base::ListValue * args)66 void InlineLoginHandler::HandleInitializeMessage(const base::ListValue* args) {
67   AllowJavascript();
68   content::WebContents* contents = web_ui()->GetWebContents();
69   content::StoragePartition* partition =
70       signin::GetSigninPartition(contents->GetBrowserContext());
71   if (partition) {
72     const GURL& current_url = web_ui()->GetWebContents()->GetURL();
73 
74     // If the kSignInPromoQueryKeyForceKeepData param is missing, or if it is
75     // present and its value is zero, this means we don't want to keep the
76     // the data.
77     std::string value;
78     if (!net::GetValueForKeyInQuery(current_url,
79                                     signin::kSignInPromoQueryKeyForceKeepData,
80                                     &value) ||
81         value == "0") {
82       partition->ClearData(
83           content::StoragePartition::REMOVE_DATA_MASK_ALL,
84           content::StoragePartition::QUOTA_MANAGED_STORAGE_MASK_ALL, GURL(),
85           base::Time(), base::Time::Max(),
86           base::BindOnce(&InlineLoginHandler::ContinueHandleInitializeMessage,
87                          weak_ptr_factory_.GetWeakPtr()));
88     } else {
89       ContinueHandleInitializeMessage();
90     }
91   }
92 }
93 
ContinueHandleInitializeMessage()94 void InlineLoginHandler::ContinueHandleInitializeMessage() {
95   base::DictionaryValue params;
96 
97   const std::string& app_locale = g_browser_process->GetApplicationLocale();
98   params.SetString("hl", app_locale);
99   GaiaUrls* gaiaUrls = GaiaUrls::GetInstance();
100   params.SetString("gaiaUrl", gaiaUrls->gaia_url().spec());
101   params.SetInteger("authMode", InlineLoginHandler::kDesktopAuthMode);
102 
103   const GURL& current_url = web_ui()->GetWebContents()->GetURL();
104   signin_metrics::AccessPoint access_point =
105       signin::GetAccessPointForEmbeddedPromoURL(current_url);
106   signin_metrics::Reason reason =
107       signin::GetSigninReasonForEmbeddedPromoURL(current_url);
108 
109   if (reason != signin_metrics::Reason::REASON_REAUTHENTICATION &&
110       reason != signin_metrics::Reason::REASON_UNLOCK &&
111       reason != signin_metrics::Reason::REASON_ADD_SECONDARY_ACCOUNT) {
112     signin_metrics::LogSigninAccessPointStarted(
113         access_point,
114         signin_metrics::PromoAction::PROMO_ACTION_NO_SIGNIN_PROMO);
115     signin_metrics::RecordSigninUserActionForAccessPoint(
116         access_point,
117         signin_metrics::PromoAction::PROMO_ACTION_NO_SIGNIN_PROMO);
118     base::RecordAction(base::UserMetricsAction("Signin_SigninPage_Loading"));
119     params.SetBoolean("isLoginPrimaryAccount", true);
120   }
121 
122   Profile* profile = Profile::FromWebUI(web_ui());
123   std::string default_email;
124   if (reason == signin_metrics::Reason::REASON_SIGNIN_PRIMARY_ACCOUNT ||
125       reason == signin_metrics::Reason::REASON_FORCED_SIGNIN_PRIMARY_ACCOUNT) {
126     default_email =
127         profile->GetPrefs()->GetString(prefs::kGoogleServicesLastUsername);
128   } else {
129     if (!net::GetValueForKeyInQuery(current_url, "email", &default_email))
130       default_email.clear();
131   }
132   if (!default_email.empty())
133     params.SetString("email", default_email);
134 
135   // The legacy full-tab Chrome sign-in page is no longer used as it was relying
136   // on exchanging cookies for refresh tokens and that endpoint is no longer
137   // supported.
138   params.SetString("constrained", "1");
139 
140   // TODO(rogerta): this needs to be passed on to gaia somehow.
141   std::string read_only_email;
142   net::GetValueForKeyInQuery(current_url, "readOnlyEmail", &read_only_email);
143   params.SetBoolean("readOnlyEmail", !read_only_email.empty());
144 
145   SetExtraInitParams(params);
146   FireWebUIListener("load-auth-extension", params);
147 }
148 
HandleCompleteLoginMessage(const base::ListValue * args)149 void InlineLoginHandler::HandleCompleteLoginMessage(
150     const base::ListValue* args) {
151   // When the network service is enabled, the webRequest API doesn't expose
152   // cookie headers. So manually fetch the cookies for the GAIA URL from the
153   // CookieManager.
154   content::WebContents* contents = web_ui()->GetWebContents();
155   content::StoragePartition* partition =
156       signin::GetSigninPartition(contents->GetBrowserContext());
157 
158   partition->GetCookieManagerForBrowserProcess()->GetCookieList(
159       GaiaUrls::GetInstance()->gaia_url(),
160       net::CookieOptions::MakeAllInclusive(),
161       base::BindOnce(&InlineLoginHandler::HandleCompleteLoginMessageWithCookies,
162                      weak_ptr_factory_.GetWeakPtr(),
163                      base::ListValue(args->GetList())));
164 }
165 
HandleCompleteLoginMessageWithCookies(const base::ListValue & args,const net::CookieAccessResultList & cookies,const net::CookieAccessResultList & excluded_cookies)166 void InlineLoginHandler::HandleCompleteLoginMessageWithCookies(
167     const base::ListValue& args,
168     const net::CookieAccessResultList& cookies,
169     const net::CookieAccessResultList& excluded_cookies) {
170   const base::Value& dict = args.GetList()[0];
171 
172   const std::string& email = dict.FindKey("email")->GetString();
173   const std::string& password = dict.FindKey("password")->GetString();
174   const std::string& gaia_id = dict.FindKey("gaiaId")->GetString();
175 
176   std::string auth_code;
177   for (const auto& cookie_with_access_result : cookies) {
178     if (cookie_with_access_result.cookie.Name() == "oauth_code")
179       auth_code = cookie_with_access_result.cookie.Value();
180   }
181 
182   bool skip_for_now = dict.FindBoolKey("skipForNow").value_or(false);
183   base::Optional<bool> trusted = dict.FindBoolKey("trusted");
184   bool trusted_value = trusted.value_or(false);
185   bool trusted_found = trusted.has_value();
186 
187   bool choose_what_to_sync =
188       dict.FindBoolKey("chooseWhatToSync").value_or(false);
189 
190   base::Value edu_login_params;
191   if (args.GetList().size() > 1) {
192     edu_login_params = args.GetList()[1].Clone();
193   }
194 
195   CompleteLogin(email, password, gaia_id, auth_code, skip_for_now,
196                 trusted_value, trusted_found, choose_what_to_sync,
197                 std::move(edu_login_params));
198 }
199 
HandleSwitchToFullTabMessage(const base::ListValue * args)200 void InlineLoginHandler::HandleSwitchToFullTabMessage(
201     const base::ListValue* args) {
202   Browser* browser =
203       chrome::FindBrowserWithWebContents(web_ui()->GetWebContents());
204   if (browser) {
205     // |web_ui| is already presented in a full tab. Ignore this call.
206     return;
207   }
208 
209   std::string url_str;
210   CHECK(args->GetString(0, &url_str));
211 
212   Profile* profile = Profile::FromWebUI(web_ui());
213   GURL main_frame_url(web_ui()->GetWebContents()->GetURL());
214 
215   // Adds extra parameters to the signin URL so that Chrome will close the tab
216   // and show the account management view of the avatar menu upon completion.
217   main_frame_url = net::AppendOrReplaceQueryParameter(
218       main_frame_url, signin::kSignInPromoQueryKeyAutoClose, "1");
219   main_frame_url = net::AppendOrReplaceQueryParameter(
220       main_frame_url, kSignInPromoQueryKeyShowAccountManagement, "1");
221   main_frame_url = net::AppendOrReplaceQueryParameter(
222       main_frame_url, signin::kSignInPromoQueryKeyForceKeepData, "1");
223 
224   NavigateParams params(profile, main_frame_url,
225                         ui::PAGE_TRANSITION_AUTO_TOPLEVEL);
226   Navigate(&params);
227 
228   CloseDialogFromJavascript();
229 }
230 
HandleDialogClose(const base::ListValue * args)231 void InlineLoginHandler::HandleDialogClose(const base::ListValue* args) {
232 #if !defined(OS_CHROMEOS)
233   // Does nothing if user manager is not showing.
234   UserManagerProfileDialog::HideDialog();
235 #endif  // !defined(OS_CHROMEOS)
236 }
237 
CloseDialogFromJavascript()238 void InlineLoginHandler::CloseDialogFromJavascript() {
239   if (IsJavascriptAllowed())
240     FireWebUIListener("close-dialog");
241 }
242