X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=org.argeo.cms%2Fsrc%2Forg%2Fargeo%2Fcms%2Finternal%2Fruntime%2FCmsAcrHttpHandler.java;h=c80933a559753203cac8e50ebc95b98afd79fd42;hb=54df376a9c2dd458a82eaa09bfbb718fe699dd0d;hp=d9fa9e751d64394f37f5651fc0349afdc4580b33;hpb=1d7058b30bd990cda7d4efc1c029501f05a07113;p=lgpl%2Fargeo-commons.git

diff --git a/org.argeo.cms/src/org/argeo/cms/internal/runtime/CmsAcrHttpHandler.java b/org.argeo.cms/src/org/argeo/cms/internal/runtime/CmsAcrHttpHandler.java
index d9fa9e751..c80933a55 100644
--- a/org.argeo.cms/src/org/argeo/cms/internal/runtime/CmsAcrHttpHandler.java
+++ b/org.argeo.cms/src/org/argeo/cms/internal/runtime/CmsAcrHttpHandler.java
@@ -1,7 +1,149 @@
 package org.argeo.cms.internal.runtime;
 
-import org.argeo.util.dav.DavServerHandler;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Collection;
+import java.util.Map;
+import java.util.Optional;
+import java.util.StringJoiner;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ForkJoinPool;
+import java.util.function.Consumer;
 
-public class CmsAcrHttpHandler extends DavServerHandler  {
+import javax.xml.namespace.NamespaceContext;
+import javax.xml.namespace.QName;
+
+import org.argeo.api.acr.Content;
+import org.argeo.api.acr.ContentNotFoundException;
+import org.argeo.api.acr.ContentSession;
+import org.argeo.api.acr.DName;
+import org.argeo.api.acr.RuntimeNamespaceContext;
+import org.argeo.api.acr.spi.ProvidedRepository;
+import org.argeo.api.cms.CmsConstants;
+import org.argeo.cms.auth.RemoteAuthUtils;
+import org.argeo.cms.dav.DavDepth;
+import org.argeo.cms.dav.DavHttpHandler;
+import org.argeo.cms.dav.DavPropfind;
+import org.argeo.cms.dav.DavResponse;
+import org.argeo.cms.http.HttpStatus;
+import org.argeo.cms.internal.http.RemoteAuthHttpExchange;
+import org.argeo.cms.util.StreamUtils;
+
+import com.sun.net.httpserver.HttpExchange;
+
+/** A partial WebDav implementation based on ACR. */
+public class CmsAcrHttpHandler extends DavHttpHandler {
+	private ProvidedRepository contentRepository;
+
+	@Override
+	protected NamespaceContext getNamespaceContext(HttpExchange httpExchange, String path) {
+		// TODO be smarter?
+		return RuntimeNamespaceContext.getNamespaceContext();
+	}
+
+	@Override
+	protected void handleGET(HttpExchange exchange, String path) throws IOException {
+		ContentSession session = RemoteAuthUtils.doAs(() -> contentRepository.get(),
+				new RemoteAuthHttpExchange(exchange));
+		if (!session.exists(path)) // not found
+			throw new ContentNotFoundException(session, path);
+		Content content = session.get(path);
+		Optional<Long> size = content.get(DName.getcontentlength, Long.class);
+		try (InputStream in = content.open(InputStream.class)) {
+			exchange.sendResponseHeaders(HttpStatus.OK.getCode(), size.orElse(0l));
+			StreamUtils.copy(in, exchange.getResponseBody());
+		} catch (IOException e) {
+			throw new RuntimeException("Cannot process " + path, e);
+		}
+	}
+
+	@Override
+	protected CompletableFuture<Void> handlePROPFIND(HttpExchange exchange, String path, DavPropfind davPropfind,
+			Consumer<DavResponse> consumer) throws IOException {
+		ContentSession session = RemoteAuthUtils.doAs(() -> contentRepository.get(),
+				new RemoteAuthHttpExchange(exchange));
+		if (!session.exists(path)) // not found
+			throw new ContentNotFoundException(session, path);
+		Content content = session.get(path);
+
+		CompletableFuture<Void> published = new CompletableFuture<Void>();
+		ForkJoinPool.commonPool().execute(() -> {
+			publishDavResponses(content, davPropfind, consumer);
+			published.complete(null);
+		});
+		return published;
+	}
+
+	protected void publishDavResponses(Content content, DavPropfind davPropfind, Consumer<DavResponse> consumer) {
+		publishDavResponse(content, davPropfind, consumer, 0);
+	}
+
+	protected void publishDavResponse(Content content, DavPropfind davPropfind, Consumer<DavResponse> consumer,
+			int currentDepth) {
+		DavResponse davResponse = new DavResponse();
+		String href = CmsConstants.PATH_API_ACR + content.getPath();
+		davResponse.setHref(href);
+		if (content.hasContentClass(DName.collection))
+			davResponse.setCollection(true);
+		if (davPropfind.isAllprop()) {
+			for (Map.Entry<QName, Object> entry : content.entrySet()) {
+				davResponse.getPropertyNames(HttpStatus.OK).add(entry.getKey());
+				processMapEntry(davResponse, entry.getKey(), entry.getValue());
+			}
+			davResponse.getResourceTypes().addAll(content.getContentClasses());
+		} else if (davPropfind.isPropname()) {
+			for (QName key : content.keySet()) {
+				davResponse.getPropertyNames(HttpStatus.OK).add(key);
+			}
+		} else {
+			for (QName key : davPropfind.getProps()) {
+				if (content.containsKey(key)) {
+					davResponse.getPropertyNames(HttpStatus.OK).add(key);
+					Object value = content.get(key);
+					processMapEntry(davResponse, key, value);
+				} else {
+					davResponse.getPropertyNames(HttpStatus.NOT_FOUND).add(key);
+				}
+				if (DName.resourcetype.qName().equals(key)) {
+					davResponse.getResourceTypes().addAll(content.getContentClasses());
+				}
+			}
+
+		}
+
+		consumer.accept(davResponse);
+
+		// recurse only on collections
+		if (content.hasContentClass(DName.collection)) {
+			if (davPropfind.getDepth() == DavDepth.DEPTH_INFINITY
+					|| (davPropfind.getDepth() == DavDepth.DEPTH_1 && currentDepth == 0)) {
+				for (Content child : content) {
+					publishDavResponse(child, davPropfind, consumer, currentDepth + 1);
+				}
+			}
+		}
+	}
+
+	protected void processMapEntry(DavResponse davResponse, QName key, Object value) {
+		// ignore content classes
+		if (DName.resourcetype.qName().equals(key))
+			return;
+		String str;
+		if (value instanceof Collection) {
+			StringJoiner sj = new StringJoiner("\n");
+			for (Object v : (Collection<?>) value) {
+				sj.add(v.toString());
+			}
+			str = sj.toString();
+		} else {
+			str = value.toString();
+		}
+		davResponse.getProperties().put(key, str);
+
+	}
+
+	public void setContentRepository(ProvidedRepository contentRepository) {
+		this.contentRepository = contentRepository;
+	}
 
 }