minor improvements (e.g. ldap timeout)

git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@60 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c

1 files changed, 25 insertions, 1 deletions

diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/ldap/client/LDAPClientImpl.java b/src/main/java/at/knowcenter/wag/egov/egiz/ldap/client/LDAPClientImpl.java
index f27f549..2ba802d 100644
--- a/src/main/java/at/knowcenter/wag/egov/egiz/ldap/client/LDAPClientImpl.java
+++ b/src/main/java/at/knowcenter/wag/egov/egiz/ldap/client/LDAPClientImpl.java
@@ -8,19 +8,29 @@ import java.math.BigInteger;
 import java.net.MalformedURLException;

 import java.net.URL;

 

+import org.apache.log4j.Logger;

+

 public final class LDAPClientImpl implements LDAPClient {

 

 	// constants

 	protected static final String DEFAULT_LDAP_ATTR_SERIAL_NUMBER  = "eidCertificateSerialNumber";

 	private   static final iaik.x509.net.ldap.Handler LDAP_HANDLER = new iaik.x509.net.ldap.Handler();

 	

+	private   static final long TIME_ON_BLACKLIST_IN_SECONDS = 300; // block failed urls for 5 min

+	private   static final int  READ_TIMEOUT = 15;

+	private   static final int  CONNECTION_TIMEOUT = 15;

+	

+	private Logger log = Logger.getLogger(getClass());

+	

 	//	fields

 	private URL url;

 	private String serialNumberAttrName;

+	private long timeStampForBlackList;

 	

 	// constructors

 	protected LDAPClientImpl() {

 		this.setSerialNumberAttrName(DEFAULT_LDAP_ATTR_SERIAL_NUMBER);

+		this.timeStampForBlackList = 0;

 	}

 	

 	protected LDAPClientImpl(URL url) {

@@ -94,11 +104,22 @@ public final class LDAPClientImpl implements LDAPClient {
 		}

 		

 		X509Certificate[] certs = new X509Certificate[] { };

+

+		long now = System.currentTimeMillis();  

+		if (this.timeStampForBlackList + TIME_ON_BLACKLIST_IN_SECONDS * 1000 >= now) {

+			long remaining = TIME_ON_BLACKLIST_IN_SECONDS - ((now - this.timeStampForBlackList) / 1000);

+			log.warn("LDAP connections to URL \"" + this.getUrl().toString() + "\" are blocked for " + remaining + " (" + TIME_ON_BLACKLIST_IN_SECONDS + ") seconds due to previous errors.");

+			return certs;

+		}

+		

 		LdapURLConnection ldapURLConnection = null;

 		try {

 			this.validateData();

 			ldapURLConnection = (LdapURLConnection) this.url.openConnection();

-

+			log.debug("Setting timeout for LDAPClient: connection timeout = " + CONNECTION_TIMEOUT + " seconds, read timeout = " + READ_TIMEOUT + " seconds.");

+			ldapURLConnection.setReadTimeout(READ_TIMEOUT * 1000);

+			ldapURLConnection.setConnectTimeout(CONNECTION_TIMEOUT * 1000);

+			

 			// search for end enity certificates

 			ldapURLConnection.setRequestProperty(

 					LdapURLConnection.RP_ATTRIBUTE_DESCRIPTION,

@@ -118,8 +139,11 @@ public final class LDAPClientImpl implements LDAPClient {
 			);

 			

 			//	connect to the ldap server an read results

+			log.debug("Connecting to \"" + this.url.toString() + "\"...");

 			certs = (X509Certificate[]) ldapURLConnection.getContent();

 		} catch (IOException e) {

+			this.timeStampForBlackList = System.currentTimeMillis();

+			log.warn("Unable to get certificate from \"" + this.getUrl().toString() + "\". LDAPClient is now blocking that URL for " + TIME_ON_BLACKLIST_IN_SECONDS + " seconds.");

 			throw new LDAPException(e);

 		} finally {

 			if (ldapURLConnection != null) {