Convert project permission check to PermissionBackend

Change-Id: I85713b0e9e22abad0119aff61914225bce330ffb
diff --git a/src/main/java/com/googlesource/gerrit/plugins/lfs/GetLfsGlobalConfig.java b/src/main/java/com/googlesource/gerrit/plugins/lfs/GetLfsGlobalConfig.java
index dcdcbac..40e00b0 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/lfs/GetLfsGlobalConfig.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/lfs/GetLfsGlobalConfig.java
@@ -14,6 +14,8 @@
 
 package com.googlesource.gerrit.plugins.lfs;
 
+import static com.google.gerrit.server.permissions.GlobalPermission.ADMINISTRATE_SERVER;
+
 import com.google.common.collect.Maps;
 import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
 import com.google.gerrit.extensions.restapi.RestApiException;
@@ -21,6 +23,7 @@
 import com.google.gerrit.server.CurrentUser;
 import com.google.gerrit.server.IdentifiedUser;
 import com.google.gerrit.server.config.AllProjectsName;
+import com.google.gerrit.server.permissions.PermissionBackend;
 import com.google.gerrit.server.project.ProjectResource;
 import com.google.inject.Inject;
 import com.google.inject.Provider;
@@ -33,22 +36,25 @@
   private final LfsConfigurationFactory lfsConfigFactory;
   private final AllProjectsName allProjectsName;
   private final Provider<CurrentUser> self;
+  private final PermissionBackend permissionBackend;
 
   @Inject
   GetLfsGlobalConfig(
       LfsConfigurationFactory lfsConfigFactory,
       AllProjectsName allProjectsName,
-      Provider<CurrentUser> self) {
+      Provider<CurrentUser> self,
+      PermissionBackend permissionBackend) {
     this.lfsConfigFactory = lfsConfigFactory;
     this.allProjectsName = allProjectsName;
     this.self = self;
+    this.permissionBackend = permissionBackend;
   }
 
   @Override
   public LfsGlobalConfigInfo apply(ProjectResource resource) throws RestApiException {
     IdentifiedUser user = self.get().asIdentifiedUser();
     if (!(resource.getNameKey().equals(allProjectsName)
-        && user.getCapabilities().canAdministrateServer())) {
+        && permissionBackend.user(user).testOrFalse(ADMINISTRATE_SERVER))) {
       throw new ResourceNotFoundException();
     }
 
diff --git a/src/main/java/com/googlesource/gerrit/plugins/lfs/LfsApiServlet.java b/src/main/java/com/googlesource/gerrit/plugins/lfs/LfsApiServlet.java
index d6b168c..1cb92e4 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/lfs/LfsApiServlet.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/lfs/LfsApiServlet.java
@@ -17,12 +17,14 @@
 import static com.google.gerrit.extensions.client.ProjectState.HIDDEN;
 import static com.google.gerrit.extensions.client.ProjectState.READ_ONLY;
 import static com.google.gerrit.httpd.plugins.LfsPluginServlet.URL_REGEX;
+import static com.google.gerrit.server.permissions.ProjectPermission.READ;
 
 import com.google.common.base.Strings;
 import com.google.gerrit.common.ProjectUtil;
 import com.google.gerrit.common.data.Capable;
 import com.google.gerrit.reviewdb.client.Project;
 import com.google.gerrit.server.CurrentUser;
+import com.google.gerrit.server.permissions.PermissionBackend;
 import com.google.gerrit.server.project.ProjectCache;
 import com.google.gerrit.server.project.ProjectControl;
 import com.google.gerrit.server.project.ProjectState;
@@ -52,6 +54,7 @@
   private static final String UPLOAD = "upload";
 
   private final ProjectCache projectCache;
+  private final PermissionBackend permissionBackend;
   private final LfsConfigurationFactory lfsConfigFactory;
   private final LfsRepositoryResolver repoResolver;
   private final LfsAuthUserProvider userProvider;
@@ -59,10 +62,12 @@
   @Inject
   LfsApiServlet(
       ProjectCache projectCache,
+      PermissionBackend permissionBackend,
       LfsConfigurationFactory lfsConfigFactory,
       LfsRepositoryResolver repoResolver,
       LfsAuthUserProvider userProvider) {
     this.projectCache = projectCache;
+    this.permissionBackend = permissionBackend;
     this.lfsConfigFactory = lfsConfigFactory;
     this.repoResolver = repoResolver;
     this.userProvider = userProvider;
@@ -123,7 +128,11 @@
   private void authorizeUser(CurrentUser user, ProjectState state, String operation)
       throws LfsUnauthorized {
     ProjectControl control = state.controlFor(user);
-    if ((operation.equals(DOWNLOAD) && !control.isReadable())
+    if ((operation.equals(DOWNLOAD)
+            && !permissionBackend
+                .user(user)
+                .project(state.getProject().getNameKey())
+                .testOrFalse(READ))
         || (operation.equals(UPLOAD) && Capable.OK != control.canPushToAtLeastOneRef())) {
       String op = operation.toLowerCase();
       String project = state.getProject().getName();
diff --git a/src/main/java/com/googlesource/gerrit/plugins/lfs/PutLfsGlobalConfig.java b/src/main/java/com/googlesource/gerrit/plugins/lfs/PutLfsGlobalConfig.java
index 5e81e73..5b0468f 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/lfs/PutLfsGlobalConfig.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/lfs/PutLfsGlobalConfig.java
@@ -14,6 +14,7 @@
 
 package com.googlesource.gerrit.plugins.lfs;
 
+import static com.google.gerrit.server.permissions.GlobalPermission.ADMINISTRATE_SERVER;
 import static com.googlesource.gerrit.plugins.lfs.LfsProjectConfigSection.KEY_BACKEND;
 import static com.googlesource.gerrit.plugins.lfs.LfsProjectConfigSection.KEY_ENABLED;
 import static com.googlesource.gerrit.plugins.lfs.LfsProjectConfigSection.KEY_MAX_OBJECT_SIZE;
@@ -30,6 +31,7 @@
 import com.google.gerrit.server.IdentifiedUser;
 import com.google.gerrit.server.config.AllProjectsName;
 import com.google.gerrit.server.git.MetaDataUpdate;
+import com.google.gerrit.server.permissions.PermissionBackend;
 import com.google.gerrit.server.project.ProjectResource;
 import com.google.inject.Inject;
 import com.google.inject.Provider;
@@ -47,6 +49,7 @@
 
   private final String pluginName;
   private final AllProjectsName allProjectsName;
+  private final PermissionBackend permissionBackned;
   private final Provider<CurrentUser> self;
   private final Provider<MetaDataUpdate.User> metaDataUpdateFactory;
   private final LfsConfigurationFactory lfsConfigFactory;
@@ -56,12 +59,14 @@
   PutLfsGlobalConfig(
       @PluginName String pluginName,
       AllProjectsName allProjectsName,
+      PermissionBackend permissionBackned,
       Provider<CurrentUser> self,
       Provider<MetaDataUpdate.User> metaDataUpdateFactory,
       LfsConfigurationFactory lfsConfigFactory,
       GetLfsGlobalConfig get) {
     this.pluginName = pluginName;
     this.allProjectsName = allProjectsName;
+    this.permissionBackned = permissionBackned;
     this.self = self;
     this.metaDataUpdateFactory = metaDataUpdateFactory;
     this.lfsConfigFactory = lfsConfigFactory;
@@ -74,7 +79,8 @@
     IdentifiedUser user = self.get().asIdentifiedUser();
     Project.NameKey projectName = resource.getNameKey();
 
-    if (!(projectName.equals(allProjectsName) && user.getCapabilities().canAdministrateServer())) {
+    if (!(projectName.equals(allProjectsName)
+        && permissionBackned.user(user).testOrFalse(ADMINISTRATE_SERVER))) {
       throw new ResourceNotFoundException();
     }