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Adding support for Basic Authentication workflow #10

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Adding support for Basic Authentication workflow #10

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42 changes: 38 additions & 4 deletions jasperreports/src/net/sf/jasperreports/engine/util/JRLoader.java
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@
import java.io.ObjectInputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.LinkedHashMap;
Expand All @@ -42,7 +43,13 @@
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.sun.org.apache.xml.internal.security.utils.Base64;
import net.sf.jasperreports.engine.DefaultJasperReportsContext;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRPropertiesUtil;
Expand All @@ -52,9 +59,6 @@
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.JasperReportsContext;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;


/**
* Utility class that helps load serialized objects found in various locations
Expand Down Expand Up @@ -205,7 +209,7 @@ public static Object loadObject(JasperReportsContext jasperReportsContext, URL u

try
{
is = url.openStream();
is = retrieveStreamFromUrl(url);
ois = new ContextClassLoaderObjectInputStream(jasperReportsContext, is);
obj = ois.readObject();
}
Expand Down Expand Up @@ -253,6 +257,36 @@ public static Object loadObject(JasperReportsContext jasperReportsContext, URL u
return obj;
}

private static InputStream retrieveStreamFromUrl(final URL url) throws IOException {
InputStream resultStream = null;

resultStream = retrieveStreamViaBasicAuthentication(url);
if (resultStream == null)
resultStream = retrieveStreamViaDefault(url);

return resultStream;
}

private static InputStream retrieveStreamViaDefault(final URL url) throws IOException {
return url.openStream();
}

private static InputStream retrieveStreamViaBasicAuthentication(final URL url) throws IOException {
// validate format of url
Pattern pattern = Pattern.compile("https?:\\/\\/(\\S+:\\S+)@(?:www\\.|(?!www)[a-zA-Z0-9][a-zA-Z0-9-]+[a-zA-Z0-9]\\.[^\\s]{2,}|www\\.[a-zA-Z0-9][a-zA-Z0-9-]+[a-zA-Z0-9]\\.[^\\s]{2,}|https?:\\/\\/(?:www\\.|(?!www))[a-zA-Z0-9]\\.[^\\s]{2,}|www\\.[a-zA-Z0-9]\\.[^\\s]{2,})$");
Matcher match = pattern.matcher(url.toString());

if (!match.matches()) return null;

String userNamePassword = match.group(1);
String authEncString = Base64.encode(userNamePassword.getBytes());
URLConnection connection = null;

connection = url.openConnection();
connection.setRequestProperty("Authorization", "Basic " + authEncString);
return connection.getInputStream();
}


/**
*
Expand Down