Issue #2061977 by InternetDevels, kim.pepper, ianthomas_uk, herom: Replace...

Issue #2061977 by InternetDevels, kim.pepper, ianthomas_uk, herom: Replace user_access() calls with ->hasPermission() in all core modules except user.

core/modules/comment/comment.module

@@ -297,6 +297,7 @@ function comment_node_links_alter(array &$node_links, NodeInterface $node, array
   }
 
   $fields = \Drupal::service('comment.manager')->getFields('node');
+  $current_user = \Drupal::currentUser();
   foreach ($fields as $field_name => $detail) {
     // Skip fields that the node does not have.
     if (!$node->hasField($field_name)) {
@@ -322,7 +323,7 @@ function comment_node_links_alter(array &$node_links, NodeInterface $node, array
         // Teaser view: display the number of comments that have been posted,
         // or a link to add new comments if the user has permission, the node
         // is open to new comments, and there currently are none.
-        if (user_access('access comments')) {
+        if ($current_user->hasPermission('access comments')) {
           if (!empty($node->get($field_name)->comment_count)) {
             $links['comment-comments'] = array(
               'title' => format_plural($node->get($field_name)->comment_count, '1 comment', '@count comments'),
@@ -348,7 +349,7 @@ function comment_node_links_alter(array &$node_links, NodeInterface $node, array
         // Provide a link to new comment form.
         if ($commenting_status == CommentItemInterface::OPEN) {
           $comment_form_location = $field_definition->getSetting('form_location');
-          if (user_access('post comments')) {
+          if ($current_user->hasPermission('post comments')) {
             $links['comment-add'] = array(
               'title' => t('Add new comment'),
               'language' => $node->language(),
@@ -380,10 +381,10 @@ function comment_node_links_alter(array &$node_links, NodeInterface $node, array
         // allowed to post comments and if this node is allowing new comments.
         if ($commenting_status == CommentItemInterface::OPEN) {
           $comment_form_location = $field_definition->getSetting('form_location');
-          if (user_access('post comments')) {
+          if ($current_user->hasPermission('post comments')) {
             // Show the "post comment" link if the form is on another page, or
             // if there are existing comments that the link will skip past.
-            if ($comment_form_location == COMMENT_FORM_SEPARATE_PAGE || (!empty($node->get($field_name)->comment_count) && user_access('access comments'))) {
+            if ($comment_form_location == COMMENT_FORM_SEPARATE_PAGE || (!empty($node->get($field_name)->comment_count) && $current_user->hasPermission('access comments'))) {
               $links['comment-add'] = array(
                 'title' => t('Add new comment'),
                 'attributes' => array('title' => t('Share your thoughts and opinions related to this posting.')),
@@ -546,7 +547,7 @@ function comment_get_thread(EntityInterface $entity, $field_name, $mode, $commen
     ->addMetaData('entity', $entity)
     ->addMetaData('field_name', $field_name);
 
-  if (!user_access('administer comments')) {
+  if (!\Drupal::currentUser()->hasPermission('administer comments')) {
     $query->condition('c.status', CommentInterface::PUBLISHED);
     $count_query->condition('c.status', CommentInterface::PUBLISHED);
   }
@@ -1250,7 +1251,8 @@ function comment_ranking() {
  */
 function comment_file_download_access($field, EntityInterface $entity, FileInterface $file) {
   if ($entity instanceof CommentInterface) {
-    if (user_access('access comments') && $entity->isPublished() || user_access('administer comments')) {
+    $current_user = \Drupal::currentUser();
+    if ($current_user->hasPermission('access comments') && $entity->isPublished() || $current_user->hasPermission('administer comments')) {
       $commented_entity = $entity->getCommentedEntity();
       // Check access to parent entity.
       return $commented_entity->access('view');

core/modules/comment/src/CommentAccessController.php

@@ -25,19 +25,19 @@ protected function checkAccess(EntityInterface $entity, $operation, $langcode, A
     /** @var \Drupal\Core\Entity\EntityInterface|\Drupal\user\EntityOwnerInterface $entity */
     switch ($operation) {
       case 'view':
-        return user_access('access comments', $account);
+        return $account->hasPermission('access comments');
         break;
 
       case 'update':
-        return ($account->id() && $account->id() == $entity->getOwnerId() && $entity->status->value == CommentInterface::PUBLISHED && user_access('edit own comments', $account)) || user_access('administer comments', $account);
+        return ($account->id() && $account->id() == $entity->getOwnerId() && $entity->status->value == CommentInterface::PUBLISHED && $account->hasPermission('edit own comments')) || $account->hasPermission('administer comments');
         break;
 
       case 'delete':
-        return user_access('administer comments', $account);
+        return $account->hasPermission('administer comments');
         break;
 
       case 'approve':
-        return user_access('administer comments', $account);
+        return $account->hasPermission('administer comments');
         break;
     }
   }
@@ -46,7 +46,7 @@ protected function checkAccess(EntityInterface $entity, $operation, $langcode, A
    * {@inheritdoc}
    */
   protected function checkCreateAccess(AccountInterface $account, array $context, $entity_bundle = NULL) {
-    return user_access('post comments', $account);
+    return $account->hasPermission('post comments');
   }
 
 }

core/modules/comment/src/Plugin/entity_reference/selection/CommentSelection.php

@@ -33,7 +33,7 @@ public function buildEntityQuery($match = NULL, $match_operator = 'CONTAINS') {
     // Adding the 'comment_access' tag is sadly insufficient for comments:
     // core requires us to also know about the concept of 'published' and
     // 'unpublished'.
-    if (!user_access('administer comments')) {
+    if (!\Drupal::currentUser()->hasPermission('administer comments')) {
       $query->condition('status', CommentInterface::PUBLISHED);
     }
     return $query;
@@ -61,7 +61,7 @@ public function entityQueryAlter(SelectInterface $query) {
     // Passing the query to node_query_node_access_alter() is sadly
     // insufficient for nodes.
     // @see SelectionEntityTypeNode::entityQueryAlter()
-    if (!user_access('bypass node access') && !count(\Drupal::moduleHandler()->getImplementations('node_grants'))) {
+    if (!\Drupal::currentUser()->hasPermission('bypass node access') && !count(\Drupal::moduleHandler()->getImplementations('node_grants'))) {
       $query->condition($node_alias . '.status', 1);
     }
   }

core/modules/comment/src/Tests/CommentLinksTest.php

@@ -258,7 +258,7 @@ function assertCommentLinks(array $info) {
         // authenticated users are allowed to post comments.
         // @see \Drupal\comment\CommentManagerInterface::forbiddenMessage()
         if (!$this->loggedInUser) {
-          if (user_access('post comments', $this->web_user)) {
+          if ($this->web_user->hasPermission('post comments')) {
             // The note depends on whether users are actually able to register.
             if ($info['user_register'] != USER_REGISTER_ADMINISTRATORS_ONLY) {
               $this->assertText('Log in or register to post comments');

core/modules/contact/src/MessageForm.php

@@ -248,7 +248,7 @@ public function save(array $form, array &$form_state) {
 
     // To avoid false error messages caused by flood control, redirect away from
     // the contact form; either to the contacted user account or the front page.
-    if ($message->isPersonal() && user_access('access user profiles')) {
+    if ($message->isPersonal() && $user->hasPermission('access user profiles')) {
       $form_state['redirect_route'] = $message->getPersonalRecipient()->urlInfo();
     }
     else {

core/modules/content_translation/content_translation.admin.inc

@@ -63,7 +63,7 @@ function content_translation_field_sync_widget(FieldDefinitionInterface $field)
 function _content_translation_form_language_content_settings_form_alter(array &$form, array &$form_state) {
   // Inject into the content language settings the translation settings if the
   // user has the required permission.
-  if (!user_access('administer content translation')) {
+  if (!\Drupal::currentUser()->hasPermission('administer content translation')) {
     return;
   }
 
@@ -139,7 +139,7 @@ function _content_translation_form_language_content_settings_form_alter(array &$
 function _content_translation_preprocess_language_content_settings_table(&$variables) {
   // Alter the 'build' variable injecting the translation settings if the user
   // has the required permission.
-  if (!user_access('administer content translation')) {
+  if (!\Drupal::currentUser()->hasPermission('administer content translation')) {
     return;
   }
 

core/modules/content_translation/content_translation.module

@@ -249,8 +249,9 @@ function _content_translation_menu_strip_loaders($path) {
  *   The entity whose translation overview should be displayed.
  */
 function content_translation_translate_access(EntityInterface $entity) {
+  $account = \Drupal::currentUser();
   return $entity instanceof ContentEntityInterface && empty($entity->getUntranslated()->language()->locked) && \Drupal::languageManager()->isMultilingual() && $entity->isTranslatable() &&
-    (user_access('create content translations') || user_access('update content translations') || user_access('delete content translations'));
+    ($account->hasPermission('create content translations') || $account->hasPermission('update content translations') || $account->hasPermission('delete content translations'));
 }
 
 /**
@@ -494,9 +495,12 @@ function content_translation_language_fallback_candidates_entity_view_alter(&$ca
   $entity_type_id = $entity->getEntityTypeId();
   $entity_type = $entity->getEntityType();
   $permission = $entity_type->getPermissionGranularity() == 'bundle' ? $permission = "translate {$entity->bundle()} $entity_type_id" : "translate $entity_type_id";
-  foreach ($entity->getTranslationLanguages() as $langcode => $language) {
-    if (empty($entity->translation[$langcode]['status']) && !user_access('translate any entity') && !user_access($permission)) {
-      unset($candidates[$langcode]);
+  $current_user = \Drupal::currentuser();
+  if (!$current_user->hasPermission('translate any entity') && !$current_user->hasPermission($permission)) {
+    foreach ($entity->getTranslationLanguages() as $langcode => $language) {
+      if (empty($entity->translation[$langcode]['status'])) {
+        unset($candidates[$langcode]);
+      }
     }
   }
 }
@@ -742,7 +746,7 @@ function content_translation_enable_widget($entity_type, $bundle, array &$form,
  *   Processed language configuration element.
  */
 function content_translation_language_configuration_element_process(array $element, array &$form_state, array &$form) {
-  if (empty($element['#content_translation_skip_alter']) && user_access('administer content translation')) {
+  if (empty($element['#content_translation_skip_alter']) && \Drupal::currentUser()->hasPermission('administer content translation')) {
     $form_state['content_translation']['key'] = $element['#name'];
     $context = $form_state['language'][$element['#name']];
 

core/modules/content_translation/src/ContentTranslationHandler.php

@@ -65,10 +65,11 @@ public function getTranslationAccess(EntityInterface $entity, $op) {
     $translate_permission = TRUE;
     // If no permission granularity is defined this entity type does not need an
     // explicit translate permission.
-    if (!user_access('translate any entity') && $permission_granularity = $entity_type->getPermissionGranularity()) {
-      $translate_permission = user_access($permission_granularity == 'bundle' ? "translate {$entity->bundle()} {$entity->getEntityTypeId()}" : "translate {$entity->getEntityTypeId()}");
+    $current_user = \Drupal::currentUser();
+    if (!$current_user->hasPermission('translate any entity') && $permission_granularity = $entity_type->getPermissionGranularity()) {
+      $translate_permission = $current_user->hasPermission($permission_granularity == 'bundle' ? "translate {$entity->bundle()} {$entity->getEntityTypeId()}" : "translate {$entity->getEntityTypeId()}");
     }
-    return $translate_permission && user_access("$op content translations");
+    return $translate_permission && $current_user->hasPermission("$op content translations");
   }
 
   /**

core/modules/field_ui/field_ui.module

@@ -169,19 +169,20 @@ function field_ui_entity_operation(EntityInterface $entity) {
   // Add manage fields and display links if this entity type is the bundle
   // of another.
   if ($bundle_of = $info->getBundleOf()) {
-    if (user_access('administer '. $bundle_of . ' fields')) {
+    $account = \Drupal::currentUser();
+    if ($account->hasPermission('administer '. $bundle_of . ' fields')) {
       $operations['manage-fields'] = array(
         'title' => t('Manage fields'),
         'weight' => 15,
       ) + $entity->urlInfo('field_ui-fields')->toArray();
     }
-    if (user_access('administer '. $bundle_of . ' form display')) {
+    if ($account->hasPermission('administer '. $bundle_of . ' form display')) {
       $operations['manage-form-display'] = array(
         'title' => t('Manage form display'),
         'weight' => 20,
       ) + $entity->urlInfo('field_ui-form-display')->toArray();
     }
-    if (user_access('administer '. $bundle_of . ' display')) {
+    if ($account->hasPermission('administer '. $bundle_of . ' display')) {
       $operations['manage-display'] = array(
         'title' => t('Manage display'),
         'weight' => 25,

core/modules/filter/filter.module

@@ -622,7 +622,7 @@ function filter_process_format($element) {
   $format_exists = isset($all_formats[$element['#format']]);
   $format_allowed = !isset($element['#allowed_formats']) || in_array($element['#format'], $element['#allowed_formats']);
   $user_has_access = isset($formats[$element['#format']]);
-  $user_is_admin = user_access('administer filters');
+  $user_is_admin = \Drupal::currentUser()->hasPermission('administer filters');
 
   // If the stored format does not exist or if it is not among the allowed
   // formats for this textarea, administrators have to assign a new format.

core/modules/filter/src/Tests/FilterFormatAccessTest.php

@@ -132,8 +132,8 @@ function testFormatPermissions() {
 
     // Make sure that a regular user only has permission to use the format
     // they were granted access to.
-    $this->assertTrue(user_access($this->allowed_format->getPermissionName(), $this->web_user), 'A regular user has permission to use the allowed text format.');
-    $this->assertFalse(user_access($this->disallowed_format->getPermissionName(), $this->web_user), 'A regular user does not have permission to use the disallowed text format.');
+    $this->assertTrue($this->web_user->hasPermission($this->allowed_format->getPermissionName()), 'A regular user has permission to use the allowed text format.');
+    $this->assertFalse($this->web_user->hasPermission($this->disallowed_format->getPermissionName()), 'A regular user does not have permission to use the disallowed text format.');
 
     // Make sure that the allowed format appears on the node form and that
     // the disallowed format does not.

core/modules/node/node.api.php

@@ -79,7 +79,7 @@
  * @ingroup node_access
  */
 function hook_node_grants(\Drupal\Core\Session\AccountInterface $account, $op) {
-  if (user_access('access private content', $account)) {
+  if ($account->hasPermission('access private content')) {
     $grants['example'] = array(1);
   }
   $grants['example_owner'] = array($account->id());
@@ -311,7 +311,7 @@ function hook_node_grants_alter(&$grants, \Drupal\Core\Session\AccountInterface
  *   - "delete"
  *   - "update"
  *   - "view"
- * @param object $account
+ * @param \Drupal\Core\Session\AccountInterface $account
  *   The user object to perform the access check operation on.
  * @param object $langcode
  *   The language code to perform the access check operation on.
@@ -323,23 +323,23 @@ function hook_node_grants_alter(&$grants, \Drupal\Core\Session\AccountInterface
  *
  * @ingroup node_access
  */
-function hook_node_access(\Drupal\node\NodeInterface $node, $op, $account, $langcode) {
+function hook_node_access(\Drupal\node\NodeInterface $node, $op, \Drupal\Core\Session\AccountInterface $account, $langcode) {
   $type = is_string($node) ? $node : $node->getType();
 
   $configured_types = node_permissions_get_configured_types();
   if (isset($configured_types[$type])) {
-    if ($op == 'create' && user_access('create ' . $type . ' content', $account)) {
+    if ($op == 'create' && $account->hasPermission('create ' . $type . ' content')) {
       return NODE_ACCESS_ALLOW;
     }
 
     if ($op == 'update') {
-      if (user_access('edit any ' . $type . ' content', $account) || (user_access('edit own ' . $type . ' content', $account) && ($account->id() == $node->getOwnerId()))) {
+      if ($account->hasPermission('edit any ' . $type . ' content', $account) || ($account->hasPermission('edit own ' . $type . ' content') && ($account->id() == $node->getOwnerId()))) {
         return NODE_ACCESS_ALLOW;
       }
     }
 
     if ($op == 'delete') {
-      if (user_access('delete any ' . $type . ' content', $account) || (user_access('delete own ' . $type . ' content', $account) && ($account->id() == $node->getOwnerId()))) {
+      if ($account->hasPermission('delete any ' . $type . ' content', $account) || ($account->hasPermission('delete own ' . $type . ' content') && ($account->id() == $node->getOwnerId()))) {
         return NODE_ACCESS_ALLOW;
       }
     }

core/modules/node/node.module

@@ -93,7 +93,7 @@ function node_help($route_name, RouteMatchInterface $route_match) {
   // for rebuild. We don't need to issue the message on the confirm form, or
   // while the rebuild is being processed.
   if ($route_name != 'node.configure_rebuild_confirm' && $route_name != 'system.batch_page.normal' && $route_name != 'help.page.node' && $route_name != 'help.main'
-    && user_access('access administration pages') && node_access_needs_rebuild()) {
+    && \Drupal::currentUser()->hasPermission('access administration pages') && node_access_needs_rebuild()) {
     if ($route_name == 'system.status') {
       $message = t('The content access permissions need to be rebuilt.');
     }
@@ -1159,18 +1159,18 @@ function node_node_access(NodeInterface $node, $op, $account) {
 
   $configured_types = node_permissions_get_configured_types();
   if (isset($configured_types[$type])) {
-    if ($op == 'create' && user_access('create ' . $type . ' content', $account)) {
+    if ($op == 'create' && $account->hasPermission('create ' . $type . ' content', $account)) {
       return NODE_ACCESS_ALLOW;
     }
 
     if ($op == 'update') {
-      if (user_access('edit any ' . $type . ' content', $account) || (user_access('edit own ' . $type . ' content', $account) && ($account->id() == $node->getOwnerId()))) {
+      if ($account->hasPermission('edit any ' . $type . ' content', $account) || ($account->hasPermission('edit own ' . $type . ' content', $account) && ($account->id() == $node->getOwnerId()))) {
         return NODE_ACCESS_ALLOW;
       }
     }
 
     if ($op == 'delete') {
-      if (user_access('delete any ' . $type . ' content', $account) || (user_access('delete own ' . $type . ' content', $account) && ($account->id() == $node->getOwnerId()))) {
+      if ($account->hasPermission('delete any ' . $type . ' content', $account) || ($account->hasPermission('delete own ' . $type . ' content', $account) && ($account->id() == $node->getOwnerId()))) {
         return NODE_ACCESS_ALLOW;
       }
     }
@@ -1349,7 +1349,7 @@ function node_query_node_access_alter(AlterableInterface $query) {
   // If $account can bypass node access, or there are no node access modules,
   // or the operation is 'view' and the $account has a global view grant
   // (such as a view grant for node ID 0), we don't need to alter the query.
-  if (user_access('bypass node access', $account)) {
+  if ($account->hasPermission('bypass node access')) {
     return;
   }
   if (!count(\Drupal::moduleHandler()->getImplementations('node_grants'))) {

core/modules/node/node.views_execution.inc

@@ -11,10 +11,11 @@
  * Implements hook_views_query_substitutions().
  */
 function node_views_query_substitutions(ViewExecutable $view) {
+  $account = \Drupal::currentUser();
   return array(
-    '***ADMINISTER_NODES***' => intval(user_access('administer nodes')),
-    '***VIEW_OWN_UNPUBLISHED_NODES***' => intval(user_access('view own unpublished content')),
-    '***BYPASS_NODE_ACCESS***' =>  intval(user_access('bypass node access')),
+    '***ADMINISTER_NODES***' => intval($account->hasPermission('administer nodes')),
+    '***VIEW_OWN_UNPUBLISHED_NODES***' => intval($account->hasPermission('view own unpublished content')),
+    '***BYPASS_NODE_ACCESS***' =>  intval($account->hasPermission('bypass node access')),
   );
 }
 

core/modules/node/src/NodeAccessController.php

@@ -59,10 +59,12 @@ public static function createInstance(ContainerInterface $container, EntityTypeI
    * {@inheritdoc}
    */
   public function access(EntityInterface $entity, $operation, $langcode = LanguageInterface::LANGCODE_DEFAULT, AccountInterface $account = NULL) {
-    if (user_access('bypass node access', $account)) {
+    $account = $this->prepareUser($account);
+
+    if ($account->hasPermission('bypass node access')) {
       return TRUE;
     }
-    if (!user_access('access content', $account)) {
+    if (!$account->hasPermission('access content')) {
       return FALSE;
     }
     return parent::access($entity, $operation, $langcode, $account);
@@ -74,10 +76,10 @@ public function access(EntityInterface $entity, $operation, $langcode = Language
   public function createAccess($entity_bundle = NULL, AccountInterface $account = NULL, array $context = array()) {
     $account = $this->prepareUser($account);
 
-    if (user_access('bypass node access', $account)) {
+    if ($account->hasPermission('bypass node access')) {
       return TRUE;
     }
-    if (!user_access('access content', $account)) {
+    if (!$account->hasPermission('access content')) {
       return FALSE;
     }
 
@@ -96,7 +98,7 @@ protected function checkAccess(EntityInterface $node, $operation, $langcode, Acc
     $uid = $translation->getOwnerId();
 
     // Check if authors can view their own unpublished nodes.
-    if ($operation === 'view' && !$status && user_access('view own unpublished content', $account)) {
+    if ($operation === 'view' && !$status && $account->hasPermission('view own unpublished content')) {
 
       if ($account->id() != 0 && $account->id() == $uid) {
         return TRUE;
@@ -122,7 +124,7 @@ protected function checkAccess(EntityInterface $node, $operation, $langcode, Acc
   protected function checkCreateAccess(AccountInterface $account, array $context, $entity_bundle = NULL) {
     $configured_types = node_permissions_get_configured_types();
     if (isset($configured_types[$entity_bundle])) {
-      return user_access('create ' . $entity_bundle . ' content', $account);
+      return $account->hasPermission('create ' . $entity_bundle . ' content');
     }
   }
 

core/modules/node/src/NodeForm.php

@@ -53,6 +53,7 @@ public function form(array $form, array &$form_state) {
       $form['#title'] = $this->t('<em>Edit @type</em> @title', array('@type' => node_get_type_label($node), '@title' => $node->label()));
     }
 
+    $current_user = \Drupal::currentUser();
     $user_config = \Drupal::config('user.settings');
     // Some special stuff when previewing a node.
     if (isset($form_state['node_preview'])) {
@@ -112,7 +113,7 @@ public function form(array $form, array &$form_state) {
       '#type' => 'checkbox',
       '#title' => t('Create new revision'),
       '#default_value' => !empty($this->settings['options']['revision']),
-      '#access' => $node->isNewRevision() || user_access('administer nodes'),
+      '#access' => $node->isNewRevision() || $current_user->hasPermission('administer nodes'),
       '#group' => 'revision_information',
     );
 
@@ -128,7 +129,7 @@ public function form(array $form, array &$form_state) {
         ),
       ),
       '#group' => 'revision_information',
-      '#access' => $node->isNewRevision() || user_access('administer nodes'),
+      '#access' => $node->isNewRevision() || $current_user->hasPermission('administer nodes'),
     );
 
     // Node author information for administrators.
@@ -161,7 +162,7 @@ public function form(array $form, array &$form_state) {
       '#weight' => -1,
       '#description' => t('Leave blank for %anonymous.', array('%anonymous' => $user_config->get('anonymous'))),
       '#group' => 'author',
-      '#access' => user_access('administer nodes'),
+      '#access' => $current_user->hasPermission('administer nodes'),
     );
     $form['created'] = array(
       '#type' => 'textfield',
@@ -170,7 +171,7 @@ public function form(array $form, array &$form_state) {
       '#description' => t('Format: %time. The date format is YYYY-MM-DD and %timezone is the time zone offset from UTC. Leave blank to use the time of form submission.', array('%time' => !empty($node->date) ? date_format(date_create($node->date), 'Y-m-d H:i:s O') : format_date($node->getCreatedTime(), 'custom', 'Y-m-d H:i:s O'), '%timezone' => !empty($node->date) ? date_format(date_create($node->date), 'O') : format_date($node->getCreatedTime(), 'custom', 'O'))),
       '#default_value' => !empty($node->date) ? $node->date : '',
       '#group' => 'author',
-      '#access' => user_access('administer nodes'),
+      '#access' => $current_user->hasPermission('administer nodes'),
     );
 
     // Node options for administrators.
@@ -193,7 +194,7 @@ public function form(array $form, array &$form_state) {
       '#title' => t('Promoted to front page'),
       '#default_value' => $node->isPromoted(),
       '#group' => 'options',
-      '#access' => user_access('administer nodes'),
+      '#access' => $current_user->hasPermission('administer nodes'),
     );
 
     $form['sticky'] = array(
@@ -201,7 +202,7 @@ public function form(array $form, array &$form_state) {
       '#title' => t('Sticky at top of lists'),
       '#default_value' => $node->isSticky(),
       '#group' => 'options',
-      '#access' => user_access('administer nodes'),
+      '#access' => $current_user->hasPermission('administer nodes'),
     );
 
     return parent::form($form, $form_state, $node);
@@ -223,7 +224,7 @@ protected function actions(array $form, array &$form_state) {
     //   modules to integrate with "the Save operation" of this form. Modules
     //   need a way to plug themselves into 1) the ::submit() step, and
     //   2) the ::save() step, both decoupled from the pressed form button.
-    if ($element['submit']['#access'] && user_access('administer nodes')) {
+    if ($element['submit']['#access'] && \Drupal::currentUser()->hasPermission('administer nodes')) {
       // isNew | prev status » default   & publish label             & unpublish label
       // 1     | 1           » publish   & Save and publish          & Save as unpublished
       // 1     | 0           » unpublish & Save and publish          & Save as unpublished

core/modules/node/src/Plugin/entity_reference/selection/NodeSelection.php

@@ -32,7 +32,7 @@ public function buildEntityQuery($match = NULL, $match_operator = 'CONTAINS') {
     // 'unpublished'. We need to do that as long as there are no access control
     // modules in use on the site. As long as one access control module is there,
     // it is supposed to handle this check.
-    if (!user_access('bypass node access') && !count(\Drupal::moduleHandler()->getImplementations('node_grants'))) {
+    if (!\Drupal::currentUser()->hasPermission('bypass node access') && !count(\Drupal::moduleHandler()->getImplementations('node_grants'))) {
       $query->condition('status', NODE_PUBLISHED);
     }
     return $query;

core/modules/node/src/Tests/NodeRevisionPermissionsTest.php

@@ -94,7 +94,7 @@ function testNodeRevisionAccessAnyType() {
     foreach ($permutations as $case) {
       // Skip this test if there are no revisions for the node.
       if (!($revision->isDefaultRevision() && (db_query('SELECT COUNT(vid) FROM {node_field_revision} WHERE nid = :nid', array(':nid' => $revision->id()))->fetchField() == 1 || $case['op'] == 'update' || $case['op'] == 'delete'))) {
-        if (!empty($case['account']->is_admin) || user_access($this->map[$case['op']], $case['account'])) {
+        if (!empty($case['account']->is_admin) || $case['account']->hasPermission($this->map[$case['op']])) {
           $this->assertTrue($node_revision_access->checkAccess($revision, $case['account'], $case['op']), "{$this->map[$case['op']]} granted.");
         }
         else {
@@ -141,7 +141,7 @@ function testNodeRevisionAccessPerType() {
     foreach ($permutations as $case) {
       // Skip this test if there are no revisions for the node.
       if (!($revision->isDefaultRevision() && (db_query('SELECT COUNT(vid) FROM {node_field_revision} WHERE nid = :nid', array(':nid' => $revision->id()))->fetchField() == 1 || $case['op'] == 'update' || $case['op'] == 'delete'))) {
-        if (!empty($case['account']->is_admin) || user_access($this->type_map[$case['op']], $case['account'])) {
+        if (!empty($case['account']->is_admin) || $case['account']->hasPermission($this->type_map[$case['op']], $case['account'])) {
           $this->assertTrue($node_revision_access->checkAccess($revision, $case['account'], $case['op']), "{$this->type_map[$case['op']]} granted.");
         }
         else {

core/modules/node/tests/modules/node_access_test/node_access_test.module

@@ -49,7 +49,7 @@
 function node_access_test_node_grants($account, $op) {
   $grants = array();
   $grants['node_access_test_author'] = array($account->id());
-  if ($op == 'view' && user_access('node test view', $account)) {
+  if ($op == 'view' && $account->hasPermission('node test view', $account)) {
     $grants['node_access_test'] = array(8888, 8889);
   }
 

core/modules/system/entity.api.php

@@ -1521,7 +1521,7 @@ function hook_entity_operation_alter(array &$operations, \Drupal\Core\Entity\Ent
  */
 function hook_entity_field_access($operation, \Drupal\Core\Field\FieldDefinitionInterface $field_definition, \Drupal\Core\Session\AccountInterface $account, \Drupal\Core\Field\FieldItemListInterface $items = NULL) {
   if ($field_definition->getName() == 'field_of_interest' && $operation == 'edit') {
-    return user_access('update field of interest', $account);
+    return $account->hasPermission('update field of interest');
   }
 }
 

core/modules/system/src/Form/ModulesListForm.php

@@ -235,7 +235,7 @@ protected function buildRow(array $modules, Extension $module, $distribution) {
 
     // Generate link for module's permission, if the user has access to it.
     $row['links']['permissions'] = array();
-    if ($module->status && user_access('administer permissions') && in_array($module->getName(), $this->moduleHandler->getImplementations('permission'))) {
+    if ($module->status && \Drupal::currentUser()->hasPermission('administer permissions') && in_array($module->getName(), $this->moduleHandler->getImplementations('permission'))) {
       $row['links']['permissions'] = array(
         '#type' => 'link',
         '#title' => $this->t('Permissions'),

core/modules/system/system.api.php

@@ -946,7 +946,7 @@ function hook_system_info_alter(array &$info, \Drupal\Core\Extension\Extension $
  * can be selected on the user permissions page and used to grant or restrict
  * access to actions the module performs.
  *
- * Permissions are checked using user_access().
+ * Permissions are checked using \Drupal::currentUser()->hasPermission().
  *
  * For a detailed usage example, see page_example.module.
  *
@@ -1232,7 +1232,7 @@ function hook_theme_registry_alter(&$theme_registry) {
  * @see _template_preprocess_default_variables()
  */
 function hook_template_preprocess_default_variables_alter(&$variables) {
-  $variables['is_admin'] = user_access('access administration pages');
+  $variables['is_admin'] = \Drupal::currentUser()->hasPermission('access administration pages');
 }
 
 /**
@@ -1834,7 +1834,7 @@ function hook_query_TAG_alter(Drupal\Core\Database\Query\AlterableInterface $que
       $op = 'view';
     }
     // Skip the extra joins and conditions for node admins.
-    if (!user_access('bypass node access')) {
+    if (!\Drupal::currentUser()->hasPermission('bypass node access')) {
       // The node_access table has the access grants for any given node.
       $access_alias = $query->join('node_access', 'na', '%alias.nid = n.nid');
       $or = db_or();

core/modules/system/system.module

@@ -754,7 +754,7 @@ function system_stream_wrappers() {
  * Menu item access callback - only enabled themes can be accessed.
  */
 function _system_themes_access($theme) {
-  return user_access('administer themes') && drupal_theme_access($theme);
+  return \Drupal::currentUser()->hasPermission('administer themes') && drupal_theme_access($theme);
 }
 
 /**

core/modules/system/tests/modules/entity_test/src/EntityTestAccessController.php

@@ -23,12 +23,12 @@ class EntityTestAccessController extends EntityAccessController {
   protected function checkAccess(EntityInterface $entity, $operation, $langcode, AccountInterface $account) {
     if ($operation === 'view') {
       if ($langcode != LanguageInterface::LANGCODE_DEFAULT) {
-        return user_access('view test entity translations', $account);