add rest endpoint for renaming repository name and namespace

scm-core/src/main/java/sonia/scm/repository/Repository.java

@@ -53,7 +53,7 @@ import java.util.Set;
  */
 @StaticPermissions(
   value = "repository",
-  permissions = {"read", "modify", "delete", "healthCheck", "pull", "push", "permissionRead", "permissionWrite"},
+  permissions = {"read", "modify", "delete", "rename", "healthCheck", "pull", "push", "permissionRead", "permissionWrite"},
   custom = true, customGlobal = true
 )
 @XmlAccessorType(XmlAccessType.FIELD)

scm-webapp/src/main/java/sonia/scm/api/v2/resources/RepositoryRenameDto.java

@@ -0,0 +1,39 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020-present Cloudogu GmbH and Contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package sonia.scm.api.v2.resources;
+
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import sonia.scm.util.ValidationUtil;
+
+import javax.validation.constraints.Pattern;
+
+@Getter
+@NoArgsConstructor
+public class RepositoryRenameDto {
+  @Pattern(regexp = ValidationUtil.REGEX_REPOSITORYNAME)
+  private String name;
+  private String namespace;
+}

scm-webapp/src/main/java/sonia/scm/api/v2/resources/RepositoryResource.java

@@ -24,21 +24,24 @@
 
 package sonia.scm.api.v2.resources;
 
+import com.google.common.base.Strings;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.media.Content;
 import io.swagger.v3.oas.annotations.media.Schema;
 import io.swagger.v3.oas.annotations.responses.ApiResponse;
+import sonia.scm.config.ScmConfiguration;
 import sonia.scm.repository.NamespaceAndName;
 import sonia.scm.repository.Repository;
 import sonia.scm.repository.RepositoryManager;
+import sonia.scm.repository.RepositoryPermissions;
 import sonia.scm.web.VndMediaType;
 
 import javax.inject.Inject;
-import javax.inject.Provider;
 import javax.validation.Valid;
 import javax.ws.rs.Consumes;
 import javax.ws.rs.DELETE;
 import javax.ws.rs.GET;
+import javax.ws.rs.POST;
 import javax.ws.rs.PUT;
 import javax.ws.rs.Path;
 import javax.ws.rs.PathParam;
@@ -59,18 +62,20 @@ public class RepositoryResource {
   private final RepositoryManager manager;
   private final SingleResourceManagerAdapter<Repository, RepositoryDto> adapter;
   private final RepositoryBasedResourceProvider resourceProvider;
+  private final ScmConfiguration scmConfiguration;
 
   @Inject
   public RepositoryResource(
     RepositoryToRepositoryDtoMapper repositoryToDtoMapper,
     RepositoryDtoToRepositoryMapper dtoToRepositoryMapper, RepositoryManager manager,
-    RepositoryBasedResourceProvider resourceProvider
-  ) {
+    RepositoryBasedResourceProvider resourceProvider,
+    ScmConfiguration scmConfiguration) {
     this.dtoToRepositoryMapper = dtoToRepositoryMapper;
     this.manager = manager;
     this.repositoryToDtoMapper = repositoryToDtoMapper;
     this.adapter = new SingleResourceManagerAdapter<>(manager, Repository.class);
     this.resourceProvider = resourceProvider;
+    this.scmConfiguration = scmConfiguration;
   }
 
   /**
@@ -80,7 +85,6 @@ public class RepositoryResource {
    *
    * @param namespace the namespace of the repository
    * @param name      the name of the repository
-   *
    */
   @GET
   @Path("")
@@ -129,7 +133,6 @@ public class RepositoryResource {
    *
    * @param namespace the namespace of the repository to delete
    * @param name      the name of the repository to delete
-   *
    */
   @DELETE
   @Path("")
@@ -176,6 +179,68 @@ public class RepositoryResource {
     );
   }
 
+  /**
+   * Renames the given repository.
+   *
+   * <strong>Note:</strong> This method requires "repository" privilege.
+   *
+   * @param namespace the namespace of the repository to be modified
+   * @param name      the name of the repository to be modified
+   * @param renameDto    renameDto object to modify
+   */
+  @POST
+  @Path("rename")
+  @Consumes(VndMediaType.REPOSITORY)
+  @Operation(summary = "Rename repository", description = "Renames the repository for the given namespace and name.", tags = "Repository")
+  @ApiResponse(responseCode = "204", description = "update success")
+  @ApiResponse(responseCode = "400", description = "invalid body, e.g. illegal change of namespace or name")
+  @ApiResponse(responseCode = "401", description = "not authenticated / invalid credentials")
+  @ApiResponse(responseCode = "403", description = "not authorized, the current user does not have the \"repository:renameDto\" privilege")
+  @ApiResponse(
+    responseCode = "404",
+    description = "not found, no repository with the specified namespace and name available",
+    content = @Content(
+      mediaType = VndMediaType.ERROR_TYPE,
+      schema = @Schema(implementation = ErrorDto.class)
+    ))
+  @ApiResponse(responseCode = "500", description = "internal server error")
+  public Response rename(@PathParam("namespace") String namespace, @PathParam("name") String name, @Valid RepositoryRenameDto renameDto) {
+    Repository repo = loadBy(namespace, name).get();
+
+    if (isRenameForbidden(repo)) {
+      return Response.status(403).build();
+    }
+
+    if (hasNamespaceOrNameNotChanged(repo, renameDto)) {
+      return Response.status(400).build();
+    }
+
+    if (!Strings.isNullOrEmpty(renameDto.getName())) {
+      repo.setName(renameDto.getName());
+    }
+    if (!Strings.isNullOrEmpty(renameDto.getNamespace())) {
+      repo.setNamespace(renameDto.getNamespace());
+    }
+
+    return adapter.update(
+      loadBy(namespace, name),
+      existing -> repo,
+      changed -> true,
+      r -> r.getNamespaceAndName().logString()
+    );
+  }
+
+  private boolean hasNamespaceOrNameNotChanged(Repository repo, @Valid RepositoryRenameDto renameDto) {
+    return repo.getName().equals(renameDto.getName())
+      && repo.getNamespace().equals(renameDto.getNamespace());
+  }
+
+  private boolean isRenameForbidden(Repository repo) {
+    return !scmConfiguration.getNamespaceStrategy().equals("CustomNamespaceStrategy")
+      || !RepositoryPermissions.rename(repo).isPermitted();
+  }
+
+
   private Repository processUpdate(RepositoryDto repositoryDto, Repository existing) {
     Repository changedRepository = dtoToRepositoryMapper.map(repositoryDto, existing.getId());
     changedRepository.setPermissions(existing.getPermissions());

scm-webapp/src/main/java/sonia/scm/api/v2/resources/RepositoryToRepositoryDtoMapper.java

@@ -24,12 +24,12 @@
 
 package sonia.scm.api.v2.resources;
 
-import com.google.inject.Inject;
 import de.otto.edison.hal.Embedded;
 import de.otto.edison.hal.Link;
 import de.otto.edison.hal.Links;
 import org.mapstruct.Mapper;
 import org.mapstruct.ObjectFactory;
+import sonia.scm.config.ScmConfiguration;
 import sonia.scm.repository.Feature;
 import sonia.scm.repository.HealthCheckFailure;
 import sonia.scm.repository.Repository;
@@ -41,6 +41,7 @@ import sonia.scm.repository.api.ScmProtocol;
 import sonia.scm.web.EdisonHalAppender;
 import sonia.scm.web.api.RepositoryToHalMapper;
 
+import javax.inject.Inject;
 import java.util.List;
 
 import static de.otto.edison.hal.Embedded.embeddedBuilder;
@@ -56,6 +57,8 @@ public abstract class RepositoryToRepositoryDtoMapper extends BaseMapper<Reposit
   @Inject
   private ResourceLinks resourceLinks;
   @Inject
+  private ScmConfiguration scmConfiguration;
+  @Inject
   private RepositoryServiceFactory serviceFactory;
 
   abstract HealthCheckFailureDto toDto(HealthCheckFailure failure);
@@ -72,6 +75,13 @@ public abstract class RepositoryToRepositoryDtoMapper extends BaseMapper<Reposit
     if (RepositoryPermissions.modify(repository).isPermitted()) {
       linksBuilder.single(link("update", resourceLinks.repository().update(repository.getNamespace(), repository.getName())));
     }
+    if (RepositoryPermissions.rename(repository).isPermitted()) {
+      if (scmConfiguration.getNamespaceStrategy().equals("CustomNamespaceStrategy")) {
+        linksBuilder.single(link("renameWithNamespace", resourceLinks.repository().rename(repository.getNamespace(), repository.getName())));
+      } else {
+        linksBuilder.single(link("rename", resourceLinks.repository().rename(repository.getNamespace(), repository.getName())));
+      }
+    }
     if (RepositoryPermissions.permissionRead(repository).isPermitted()) {
       linksBuilder.single(link("permissions", resourceLinks.repositoryPermission().all(repository.getNamespace(), repository.getName())));
     }

scm-webapp/src/main/java/sonia/scm/api/v2/resources/ResourceLinks.java

@@ -279,6 +279,10 @@ class ResourceLinks {
     String update(String namespace, String name) {
       return repositoryLinkBuilder.method("getRepositoryResource").parameters(namespace, name).method("update").parameters().href();
     }
+
+    String rename(String namespace, String name) {
+      return repositoryLinkBuilder.method("getRepositoryResource").parameters(namespace, name).method("rename").parameters().href();
+    }
   }
 
   RepositoryCollectionLinks repositoryCollection() {

scm-webapp/src/main/resources/META-INF/scm/repository-permissions.xml

@@ -28,6 +28,7 @@
     <verb>read</verb>
     <verb>modify</verb>
     <verb>delete</verb>
+    <verb>rename</verb>
     <verb>pull</verb>
     <verb>push</verb>
     <verb>permissionRead</verb>

scm-webapp/src/test/java/sonia/scm/api/v2/resources/RepositoryRootResourceTest.java

@@ -35,11 +35,13 @@ import org.jboss.resteasy.mock.MockHttpResponse;
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
+import org.junit.jupiter.api.Nested;
 import org.mockito.ArgumentCaptor;
 import org.mockito.Captor;
 import org.mockito.InjectMocks;
 import org.mockito.Mock;
 import sonia.scm.PageResult;
+import sonia.scm.config.ScmConfiguration;
 import sonia.scm.repository.NamespaceAndName;
 import sonia.scm.repository.Repository;
 import sonia.scm.repository.RepositoryInitializer;
@@ -62,6 +64,7 @@ import static java.util.Collections.singletonList;
 import static java.util.stream.Stream.of;
 import static javax.servlet.http.HttpServletResponse.SC_BAD_REQUEST;
 import static javax.servlet.http.HttpServletResponse.SC_CONFLICT;
+import static javax.servlet.http.HttpServletResponse.SC_FORBIDDEN;
 import static javax.servlet.http.HttpServletResponse.SC_NOT_FOUND;
 import static javax.servlet.http.HttpServletResponse.SC_NO_CONTENT;
 import static javax.servlet.http.HttpServletResponse.SC_OK;
@@ -103,6 +106,8 @@ public class RepositoryRootResourceTest extends RepositoryTestBase {
   private ScmPathInfo uriInfo;
   @Mock
   private RepositoryInitializer repositoryInitializer;
+  @Mock
+  private ScmConfiguration scmConfiguration;
 
   @Captor
   private ArgumentCaptor<Predicate<Repository>> filterCaptor;
@@ -121,11 +126,13 @@ public class RepositoryRootResourceTest extends RepositoryTestBase {
     super.repositoryToDtoMapper = repositoryToDtoMapper;
     super.dtoToRepositoryMapper = dtoToRepositoryMapper;
     super.manager = repositoryManager;
+    super.scmConfiguration = scmConfiguration;
     RepositoryCollectionToDtoMapper repositoryCollectionToDtoMapper = new RepositoryCollectionToDtoMapper(repositoryToDtoMapper, resourceLinks);
     super.repositoryCollectionResource = new RepositoryCollectionResource(repositoryManager, repositoryCollectionToDtoMapper, dtoToRepositoryMapper, resourceLinks, repositoryInitializer);
     dispatcher.addSingletonResource(getRepositoryRootResource());
     when(serviceFactory.create(any(Repository.class))).thenReturn(service);
     when(scmPathInfoStore.get()).thenReturn(uriInfo);
+    when(scmConfiguration.getNamespaceStrategy()).thenReturn("CustomNamespaceStrategy");
     when(uriInfo.getApiRestUri()).thenReturn(URI.create("/x/y"));
     SimplePrincipalCollection trillian = new SimplePrincipalCollection("trillian", REALM);
     trillian.add(new User("trillian"), REALM);
@@ -372,6 +379,65 @@ public class RepositoryRootResourceTest extends RepositoryTestBase {
     assertTrue(response.getContentAsString().contains("\"protocol\":[{\"href\":\"http://\",\"name\":\"http\"},{\"href\":\"ssh://\",\"name\":\"ssh\"}]"));
   }
 
+  @Test
+  public void shouldNotRenameRepositoryIfNamespaceStrategyIsNotCustom() throws Exception {
+    mockRepository("space", "repo");
+    when(scmConfiguration.getNamespaceStrategy()).thenReturn("UsernameNamespaceStrategy");
+
+    URL url = Resources.getResource("sonia/scm/api/v2/rename-repo.json");
+    byte[] repository = Resources.toByteArray(url);
+
+    MockHttpRequest request = MockHttpRequest
+      .post("/" + RepositoryRootResource.REPOSITORIES_PATH_V2 + "space/repo/rename")
+      .contentType(VndMediaType.REPOSITORY)
+      .content(repository);
+    MockHttpResponse response = new MockHttpResponse();
+
+    dispatcher.invoke(request, response);
+
+    assertEquals(SC_FORBIDDEN, response.getStatus());
+  }
+
+  @Test
+  public void shouldNotRenameRepositoryIfNamespaceAndNameDidNotChanged() throws Exception {
+    mockRepository("space", "x");
+    when(scmConfiguration.getNamespaceStrategy()).thenReturn("CustomNamespaceStrategy");
+
+    URL url = Resources.getResource("sonia/scm/api/v2/rename-repo.json");
+    byte[] repository = Resources.toByteArray(url);
+
+    MockHttpRequest request = MockHttpRequest
+      .post("/" + RepositoryRootResource.REPOSITORIES_PATH_V2 + "space/x/rename")
+      .contentType(VndMediaType.REPOSITORY)
+      .content(repository);
+    MockHttpResponse response = new MockHttpResponse();
+
+    dispatcher.invoke(request, response);
+
+    assertEquals(SC_BAD_REQUEST, response.getStatus());
+  }
+
+  @Test
+  public void shouldRenameRepository() throws Exception {
+    mockRepository("space", "repo");
+    when(scmConfiguration.getNamespaceStrategy()).thenReturn("CustomNamespaceStrategy");
+
+    URL url = Resources.getResource("sonia/scm/api/v2/rename-repo.json");
+    byte[] repository = Resources.toByteArray(url);
+
+    MockHttpRequest request = MockHttpRequest
+      .post("/" + RepositoryRootResource.REPOSITORIES_PATH_V2 + "space/repo/rename")
+      .contentType(VndMediaType.REPOSITORY)
+      .content(repository);
+    MockHttpResponse response = new MockHttpResponse();
+
+    dispatcher.invoke(request, response);
+
+    assertEquals(SC_NO_CONTENT, response.getStatus());
+    verify(repositoryManager).modify(any(Repository.class));
+  }
+
+
   private PageResult<Repository> createSingletonPageResult(Repository repository) {
     return new PageResult<>(singletonList(repository), 0);
   }

scm-webapp/src/test/java/sonia/scm/api/v2/resources/RepositoryTestBase.java

@@ -24,6 +24,7 @@
 
 package sonia.scm.api.v2.resources;
 
+import sonia.scm.config.ScmConfiguration;
 import sonia.scm.repository.RepositoryManager;
 
 import static com.google.inject.util.Providers.of;
@@ -46,6 +47,7 @@ abstract class RepositoryTestBase {
   IncomingRootResource incomingRootResource;
   RepositoryCollectionResource repositoryCollectionResource;
   AnnotateResource annotateResource;
+  ScmConfiguration scmConfiguration;
 
 
   RepositoryRootResource getRepositoryRootResource() {
@@ -66,8 +68,8 @@ abstract class RepositoryTestBase {
         repositoryToDtoMapper,
         dtoToRepositoryMapper,
         manager,
-        repositoryBasedResourceProvider
-      )),
+        repositoryBasedResourceProvider,
+              scmConfiguration)),
       of(repositoryCollectionResource));
   }
 }

scm-webapp/src/test/java/sonia/scm/api/v2/resources/RepositoryToRepositoryDtoMapperTest.java

@@ -33,6 +33,7 @@ import org.junit.Rule;
 import org.junit.Test;
 import org.mockito.InjectMocks;
 import org.mockito.Mock;
+import sonia.scm.config.ScmConfiguration;
 import sonia.scm.repository.HealthCheckFailure;
 import sonia.scm.repository.Repository;
 import sonia.scm.repository.api.Command;
@@ -72,6 +73,8 @@ public class RepositoryToRepositoryDtoMapperTest {
   private ScmPathInfoStore scmPathInfoStore;
   @Mock
   private ScmPathInfo uriInfo;
+  @Mock
+  private ScmConfiguration configuration;
 
   @InjectMocks
   private RepositoryToRepositoryDtoMapperImpl mapper;
@@ -83,6 +86,7 @@ public class RepositoryToRepositoryDtoMapperTest {
     when(repositoryService.isSupported(any(Command.class))).thenReturn(true);
     when(repositoryService.getSupportedProtocols()).thenReturn(of());
     when(scmPathInfoStore.get()).thenReturn(uriInfo);
+    when(configuration.getNamespaceStrategy()).thenReturn("CustomNamespaceStrategy");
     when(uriInfo.getApiRestUri()).thenReturn(URI.create("/x/y"));
   }
 
@@ -129,6 +133,23 @@ public class RepositoryToRepositoryDtoMapperTest {
       dto.getLinks().getLinkBy("update").get().getHref());
   }
 
+  @Test
+  public void shouldCreateRenameLink() {
+    when(configuration.getNamespaceStrategy()).thenReturn("test");
+    RepositoryDto dto = mapper.map(createTestRepository());
+    assertEquals(
+      "http://example.com/base/v2/repositories/testspace/test/rename",
+      dto.getLinks().getLinkBy("rename").get().getHref());
+  }
+
+  @Test
+  public void shouldCreateRenameWithNamespaceLink() {
+    RepositoryDto dto = mapper.map(createTestRepository());
+    assertEquals(
+      "http://example.com/base/v2/repositories/testspace/test/rename",
+      dto.getLinks().getLinkBy("renameWithNamespace").get().getHref());
+  }
+
   @Test
   public void shouldMapHealthCheck() {
     RepositoryDto dto = mapper.map(createTestRepository());

scm-webapp/src/test/resources/sonia/scm/api/v2/rename-repo.json

@@ -0,0 +1,4 @@
+{
+  "name": "x",
+  "namespace": "space"
+}