Feature/mirror (#1683)

Add mirror command and extension points.

Co-authored-by: René Pfeuffer <rene.pfeuffer@cloudogu.com>
Co-authored-by: Sebastian Sdorra <sebastian.sdorra@cloudogu.com>
Co-authored-by: Konstantin Schaper <konstantin.schaper@cloudogu.com>

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

@@ -0,0 +1,44 @@
+/*
+ * 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 sonia.scm.repository.NamespaceAndName;
+
+import javax.inject.Inject;
+
+public class DefaultRepositoryLinkProvider implements RepositoryLinkProvider {
+
+  private final ResourceLinks resourceLinks;
+
+  @Inject
+  public DefaultRepositoryLinkProvider(ResourceLinks resourceLinks) {
+    this.resourceLinks = resourceLinks;
+  }
+
+  @Override
+  public String get(NamespaceAndName namespaceAndName) {
+    return resourceLinks.repository().self(namespaceAndName.getNamespace(), namespaceAndName.getName());
+  }
+}

scm-webapp/src/main/java/sonia/scm/lifecycle/modules/ScmServletModule.java

@@ -42,6 +42,8 @@ import sonia.scm.Undecorated;
 import sonia.scm.api.rest.ObjectMapperProvider;
 import sonia.scm.api.v2.resources.BranchLinkProvider;
 import sonia.scm.api.v2.resources.DefaultBranchLinkProvider;
+import sonia.scm.api.v2.resources.DefaultRepositoryLinkProvider;
+import sonia.scm.api.v2.resources.RepositoryLinkProvider;
 import sonia.scm.cache.CacheManager;
 import sonia.scm.cache.GuavaCacheManager;
 import sonia.scm.config.ScmConfiguration;
@@ -263,6 +265,7 @@ class ScmServletModule extends ServletModule {
 
     // bind api link provider
     bind(BranchLinkProvider.class).to(DefaultBranchLinkProvider.class);
+    bind(RepositoryLinkProvider.class).to(DefaultRepositoryLinkProvider.class);
 
     // bind url helper
     bind(RootURL.class).to(DefaultRootURL.class);

scm-webapp/src/main/java/sonia/scm/security/gpg/DefaultPublicKey.java

@@ -39,6 +39,7 @@ import org.slf4j.LoggerFactory;
 import sonia.scm.repository.Person;
 import sonia.scm.security.PublicKey;
 
+import javax.annotation.Nullable;
 import java.io.ByteArrayInputStream;
 import java.io.IOException;
 import java.io.InputStream;
@@ -55,7 +56,7 @@ public class DefaultPublicKey implements PublicKey {
   private final String raw;
   private final Set<Person> contacts;
 
-  public DefaultPublicKey(String id, String owner, String raw, Set<Person> contacts) {
+  public DefaultPublicKey(String id, @Nullable String owner, String raw, Set<Person> contacts) {
     this.id = id;
     this.owner = owner;
     this.raw = raw;
@@ -67,6 +68,12 @@ public class DefaultPublicKey implements PublicKey {
     return id;
   }
 
+  @Override
+  public Set<String> getSubkeys() {
+    Keys keys = Keys.resolve(raw);
+    return keys.getSubs();
+  }
+
   @Override
   public Optional<String> getOwner() {
     if (owner == null) {

scm-webapp/src/main/java/sonia/scm/security/gpg/DefaultPublicKeyParser.java

@@ -0,0 +1,47 @@
+/*
+ * 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.security.gpg;
+
+import sonia.scm.security.NotPublicKeyException;
+import sonia.scm.security.PublicKey;
+import sonia.scm.security.PublicKeyParser;
+
+import java.util.Collections;
+
+import static sonia.scm.ContextEntry.ContextBuilder.noContext;
+
+public class DefaultPublicKeyParser implements PublicKeyParser {
+  @Override
+  public PublicKey parse(String raw) {
+    if (!raw.contains("PUBLIC KEY")) {
+      throw new NotPublicKeyException(noContext(), "The provided key is not a public key");
+    }
+
+    Keys keys = Keys.resolve(raw);
+    String master = keys.getMaster();
+
+    return new DefaultPublicKey(master, null, raw, Collections.emptySet());
+  }
+}

scm-webapp/src/main/java/sonia/scm/security/gpg/GPGModule.java

@@ -27,11 +27,13 @@ package sonia.scm.security.gpg;
 import com.google.inject.AbstractModule;
 import sonia.scm.plugin.Extension;
 import sonia.scm.security.GPG;
+import sonia.scm.security.PublicKeyParser;
 
 @Extension
 public class GPGModule extends AbstractModule {
   @Override
   protected void configure() {
     bind(GPG.class).to(DefaultGPG.class);
+    bind(PublicKeyParser.class).to(DefaultPublicKeyParser.class);
   }
 }