Workspace missmatch exception using remote jackrabbit standalone server with
proxy. Because of proxy mappings response URI contains IP address instead of
the host name.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Key: JCR-2691
URL: https://issues.apache.org/jira/browse/JCR-2691
Project: Jackrabbit Content Repository
Issue Type: Bug
Components: jackrabbit-spi2dav
Affects Versions: 2.1.0
Environment: Client on Windows, jackrabbit standalone server on Linux
using proxy. Revision 981443
Reporter: Roman Graf
Workspace missmatch exception occures. At the moment IdURICache.java class
doesn't work properly with proxy. The proxy converts host name into ip. Thus
response uri contains ip instead of the host name and threrefore workflowUri
doesn't match uri in the add method.
Solution: Class IdURICache.java from org.apache.jackrabbit.spi2dav package
should check uri in add method. File proxy.properties defines mapping between
hostname and ip.
Patch:
Index:
C:/workplaces/patch/jackrabbitpatch/src/main/java/org/apache/jackrabbit/spi2dav/IdURICache.java
===================================================================
---
C:/workplaces/patch/jackrabbitpatch/src/main/java/org/apache/jackrabbit/spi2dav/IdURICache.java
(revision 981443)
+++
C:/workplaces/patch/jackrabbitpatch/src/main/java/org/apache/jackrabbit/spi2dav/IdURICache.java
(working copy)
@@ -20,8 +20,15 @@
import org.slf4j.LoggerFactory;
import org.apache.jackrabbit.spi.ItemId;
+import java.io.IOException;
+import java.io.InputStream;
import java.util.Map;
import java.util.HashMap;
+import java.util.Properties;
+
+import java.net.MalformedURLException;
+import java.net.URL;
+
/**
* <code>IdURICache</code>...
@@ -35,8 +42,36 @@
private Map<ItemId, String> idToUriCache = new HashMap<ItemId, String>();
private Map<String, ItemId> uriToIdCache = new HashMap<String, ItemId>();
+ /**
+ * Proxy settings.
+ */
+ private final Properties settings;
+
IdURICache(String workspaceUri) {
this.workspaceUri = workspaceUri;
+
+ // load proxy settings
+ this.settings = getStaticProperties();
+ }
+
+ private static Properties getStaticProperties() {
+ Properties properties = new Properties();
+ try {
+ InputStream stream =
+ getResource("proxy.properties");
+ try {
+ properties.load(stream);
+ } finally {
+ stream.close();
+ }
+ } catch (IOException e) {
+ // TODO: Log warning
+ }
+ return properties;
+ }
+
+ private static InputStream getResource(String name) {
+ return IdURICache.class.getResourceAsStream(name);
}
public ItemId getItemId(String uri) {
@@ -55,8 +90,32 @@
return idToUriCache.containsKey(itemId);
}
+ /**
+ If response URI contains IP address instead of the host name (because of
proxy mappings),
+ the request URI will be converted back to the original URI according to
the configurations
+ provided in proxy.properties file.
+ */
+ protected String getUriWithProxyConfig(String uri) {
+
+ try {
+ URL url = new URL(uri);
+ String hostIp = url.getHost();
+ if (settings.containsKey(hostIp)) {
+ //get proxy configuration
+ String hostName = (String) settings.get(hostIp);
+ //replace Ip with hostname
+ if (hostName != null && !hostName.isEmpty())
+ return uri.replace(hostIp, hostName);
+ }
+ } catch (MalformedURLException e) {
+ throw new IllegalArgumentException("Cannot parse request URI! " +
e.getMessage());
+ }
+
+ return uri;
+ }
+
public void add(String uri, ItemId itemId) {
- if (!uri.startsWith(workspaceUri)) {
+ if (!uri.startsWith(workspaceUri) &&
!getUriWithProxyConfig(uri).startsWith(workspaceUri)) {
throw new IllegalArgumentException("Workspace missmatch.");
}
String cleanUri = getCleanUri(uri);
Index:
C:/workplaces/patch/jackrabbitpatch/src/resources/org/apache/jackrabbit/core/proxy.properties.template
===================================================================
---
C:/workplaces/patch/jackrabbitpatch/src/resources/org/apache/jackrabbit/core/proxy.properties.template
(revision 0)
+++
C:/workplaces/patch/jackrabbitpatch/src/resources/org/apache/jackrabbit/core/proxy.properties.template
(revision 0)
@@ -0,0 +1,2 @@
+# proxy configuration (mapping between IP and host name)
+ip=hostname
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