Merge tag 'v2.3.20' into testing

[gpl/argeo-jcr.git] / org.argeo.slc.repo / src / org / argeo / slc / repo / maven / MavenProxyServiceImpl.java

diff --git a/org.argeo.slc.repo/src/org/argeo/slc/repo/maven/MavenProxyServiceImpl.java b/org.argeo.slc.repo/src/org/argeo/slc/repo/maven/MavenProxyServiceImpl.java
new file mode 100644 (file)
index 0000000..caee12b
--- /dev/null
+++ b/org.argeo.slc.repo/src/org/argeo/slc/repo/maven/MavenProxyServiceImpl.java
@@ -0,0 +1,98 @@
+package org.argeo.slc.repo.maven;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.jcr.Node;
+import javax.jcr.NodeIterator;
+import javax.jcr.RepositoryException;
+import javax.jcr.Session;
+import javax.jcr.nodetype.NodeType;
+import javax.jcr.security.AccessControlException;
+import javax.jcr.security.Privilege;
+
+import org.argeo.api.cms.CmsLog;
+import org.argeo.cms.ArgeoNames;
+import org.argeo.jcr.JcrUtils;
+import org.argeo.jcr.proxy.AbstractUrlProxy;
+import org.argeo.slc.SlcConstants;
+import org.argeo.slc.SlcException;
+import org.argeo.slc.SlcNames;
+import org.argeo.slc.SlcTypes;
+import org.argeo.slc.repo.MavenProxyService;
+import org.argeo.slc.repo.RepoConstants;
+import org.eclipse.aether.repository.RemoteRepository;
+
+/** Synchronises the node repository with remote Maven repositories */
+public class MavenProxyServiceImpl extends AbstractUrlProxy implements MavenProxyService, ArgeoNames, SlcNames {
+       private final static CmsLog log = CmsLog.getLog(MavenProxyServiceImpl.class);
+
+       private List<RemoteRepository> defaultRepositories = new ArrayList<RemoteRepository>();
+
+       /** Initialises the artifacts area. */
+       @Override
+       protected void beforeInitSessionSave(Session session) throws RepositoryException {
+               JcrUtils.addPrivilege(session, "/", SlcConstants.USER_ANONYMOUS, Privilege.JCR_READ);
+               try {
+                       JcrUtils.addPrivilege(session, "/", SlcConstants.ROLE_SLC, Privilege.JCR_ALL);
+               } catch (AccessControlException e) {
+                       if (log.isTraceEnabled())
+                               log.trace("Cannot give jcr:all privileges to " + SlcConstants.ROLE_SLC);
+               }
+
+               JcrUtils.mkdirsSafe(session, RepoConstants.DEFAULT_ARTIFACTS_BASE_PATH);
+               Node proxiedRepositories = JcrUtils.mkdirsSafe(session, RepoConstants.PROXIED_REPOSITORIES);
+               for (RemoteRepository repository : defaultRepositories) {
+                       if (!proxiedRepositories.hasNode(repository.getId())) {
+                               Node proxiedRepository = proxiedRepositories.addNode(repository.getId());
+                               proxiedRepository.addMixin(NodeType.MIX_REFERENCEABLE);
+                               JcrUtils.urlToAddressProperties(proxiedRepository, repository.getUrl());
+                               // proxiedRepository.setProperty(SLC_URL, repository.getUrl());
+                               proxiedRepository.setProperty(SLC_TYPE, repository.getContentType());
+                       }
+               }
+       }
+
+       /**
+        * Retrieve and add this file to the repository
+        */
+       @Override
+       protected Node retrieve(Session session, String path) {
+               try {
+                       if (session.hasPendingChanges())
+                               throw new SlcException("Session has pending changed");
+                       Node node = null;
+                       for (Node proxiedRepository : getBaseUrls(session)) {
+                               String baseUrl = JcrUtils.urlFromAddressProperties(proxiedRepository);
+                               node = proxyUrl(session, baseUrl, path);
+                               if (node != null) {
+                                       node.addMixin(SlcTypes.SLC_KNOWN_ORIGIN);
+                                       Node origin = node.addNode(SLC_ORIGIN, SlcTypes.SLC_PROXIED);
+                                       origin.setProperty(SLC_PROXY, proxiedRepository);
+                                       JcrUtils.urlToAddressProperties(origin, baseUrl + path);
+                                       if (log.isDebugEnabled())
+                                               log.debug("Imported " + baseUrl + path + " to " + node);
+                                       return node;
+                               }
+                       }
+                       if (log.isDebugEnabled())
+                               log.warn("No proxy found for " + path);
+                       return null;
+               } catch (Exception e) {
+                       throw new SlcException("Cannot proxy " + path, e);
+               }
+       }
+
+       protected synchronized List<Node> getBaseUrls(Session session) throws RepositoryException {
+               List<Node> baseUrls = new ArrayList<Node>();
+               for (NodeIterator nit = session.getNode(RepoConstants.PROXIED_REPOSITORIES).getNodes(); nit.hasNext();) {
+                       Node proxiedRepository = nit.nextNode();
+                       baseUrls.add(proxiedRepository);
+               }
+               return baseUrls;
+       }
+
+       public void setDefaultRepositories(List<RemoteRepository> defaultRepositories) {
+               this.defaultRepositories = defaultRepositories;
+       }
+}