Allow editing passwords in settings/passwords

chrome/browser/ui/passwords/password_manager_presenter.cc

 // Copyright 2013 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.
 
 #include "chrome/browser/ui/passwords/password_manager_presenter.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/metrics/user_metrics_action.h"
 #include "base/prefs/pref_service.h"
@@ skipping 65 matching lines @@
   last_authentication_time_ = base::TimeTicks();
 
   // Reset the current lists.
   password_list_.clear();
   password_exception_list_.clear();
 
   populater_.Populate();
   exception_populater_.Populate();
 }
 
+// static
+bool PasswordManagerPresenter::CheckOriginValidityForAdding(
+    const GURL& origin) {
+  // Restrict the URL scheme to http and https since a manually-added
+  // PasswordForm entry's |scheme| is assumed to be SCHEME_HTML.
+  return origin.is_valid() && (origin.SchemeIs(url::kHttpScheme) ||
+                               origin.SchemeIs(url::kHttpsScheme));
+}
+
+void PasswordManagerPresenter::AddPassword(
+    const GURL& origin,
+    const base::string16& username_value,
+    const base::string16& password_value) {

[Dan Beam, 2014/08/26 17:39:06]

#if defined(OS_ANDROID)
  NOTREACHED();
#else
  ...
#endif

[jaekyeom, 2014/08/27 12:28:54]

Done.

+#if !defined(OS_ANDROID)  // This is never called on Android.
+  if (!CheckOriginValidityForAdding(origin) || password_value.empty()) {
+    // Invalid |origin| or empty |password_value| can only come from a
+    // compromised renderer.
+    NOTREACHED();
+    return;
+  }
+  PasswordStore* store = GetPasswordStore();

[Dan Beam, 2014/08/26 17:39:07]

when is |store| NULL?

[jaekyeom, 2014/08/27 12:28:54]

I believe that it will be NULL during testing without calling
SetTestingFactory().
PasswordStoreFactory::ServiceIsNULLWhileTesting() returns true.

+  if (!store)
+    return;
+
+  GURL::Replacements replacements;
+  replacements.ClearUsername();
+  replacements.ClearPassword();
+  replacements.ClearQuery();
+  replacements.ClearRef();
+  autofill::PasswordForm form;
+  form.origin = origin.ReplaceComponents(replacements);
+  form.username_value = username_value;
+  form.password_value = password_value;
+  form.signon_realm = origin.GetOrigin().spec();
+  form.ssl_valid = origin.SchemeIsSecure();
+  form.date_created = base::Time::Now();
+
+  store->AddLogin(form);
+#endif
+}
+
+void PasswordManagerPresenter::UpdatePassword(
+    size_t index,
+    const base::string16& password_value) {
+#if !defined(OS_ANDROID)  // This is never called on Android.

[Dan Beam, 2014/08/26 17:39:06]

same re: NOTREACHED()

[jaekyeom, 2014/08/27 12:28:53]

Done.

+  if (index >= password_list_.size() || password_value.empty()) {
+    // |index| out of bounds might come from a compromised renderer, don't let
+    // it crash the browser. http://crbug.com/362054
+    // Similarly, empty |password_value| also might come from a compromised
+    // renderer.  So use the same logic to prevent saving it.
+    NOTREACHED();
+    return;
+  }
+  PasswordStore* store = GetPasswordStore();
+  if (!store)
+    return;
+  autofill::PasswordForm form(*password_list_[index]);
+  form.password_value = password_value;
+  store->UpdateLogin(form);
+#endif
+}
+
 void PasswordManagerPresenter::RemoveSavedPassword(size_t index) {
   if (index >= password_list_.size()) {
     // |index| out of bounds might come from a compromised renderer, don't let
     // it crash the browser. http://crbug.com/362054
     NOTREACHED();
     return;
   }
   PasswordStore* store = GetPasswordStore();
   if (!store)
     return;
@@ skipping 136 matching lines @@
 }
 
 void PasswordManagerPresenter::PasswordExceptionListPopulater::
     OnGetPasswordStoreResults(
         const std::vector<autofill::PasswordForm*>& results) {
   page_->password_exception_list_.clear();
   page_->password_exception_list_.insert(page_->password_exception_list_.end(),
                                          results.begin(), results.end());
   page_->SetPasswordExceptionList();
 }