mirror of
https://github.com/yacy/yacy_search_server.git
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464 lines
20 KiB
Java
464 lines
20 KiB
Java
/*
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* ============================================================================
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* The Apache Software License, Version 1.1
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* ============================================================================
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*
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* Copyright (C) 2002 The Apache Software Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modifica-
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* tion, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. The end-user documentation included with the redistribution, if any, must
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* include the following acknowledgment: "This product includes software
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* developed by SuperBonBon Industries (http://www.sbbi.net/)."
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* Alternately, this acknowledgment may appear in the software itself, if
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* and wherever such third-party acknowledgments normally appear.
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*
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* 4. The names "UPNPLib" and "SuperBonBon Industries" must not be
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* used to endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* info@sbbi.net.
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*
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* 5. Products derived from this software may not be called
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* "SuperBonBon Industries", nor may "SBBI" appear in their name,
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* without prior written permission of SuperBonBon Industries.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT,INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
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* DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* on behalf of SuperBonBon Industries. For more information on
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* SuperBonBon Industries, please see <http://www.sbbi.net/>.
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*/
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package net.yacy.upnp.devices;
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import java.net.*;
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import java.util.*;
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import java.io.*;
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import org.apache.commons.jxpath.*;
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import org.apache.commons.jxpath.xml.*;
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import org.apache.commons.logging.*;
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import net.yacy.upnp.JXPathParser;
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import net.yacy.upnp.services.*;
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/**
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* Root UPNP device that is contained in a device definition file.
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* Slightly differs from a simple UPNPDevice object.
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* This object will contains all the child devices, this is the top
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* objet in the UPNP device devices hierarchy.
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* @author <a href="mailto:superbonbon@sbbi.net">SuperBonBon</a>
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* @version 1.0
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*/
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public class UPNPRootDevice extends UPNPDevice {
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private final static Log log = LogFactory.getLog( UPNPRootDevice.class );
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private int specVersionMajor;
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private int specVersionMinor;
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private URL URLBase;
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private long validityTime;
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private long creationTime;
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private URL deviceDefLoc;
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private String deviceDefLocData;
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private String vendorFirmware;
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private String discoveryUSN;
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private String discoveryUDN;
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private DocumentContainer UPNPDevice;
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/**
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* Constructor for the root device, constructs itself from
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* An xml device definition file provided by the UPNP device via http normally.
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* @param deviceDefLoc the location of the XML device definition file
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* using "the urn:schemas-upnp-org:device-1-0" namespace
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* @param maxAge the maximum age of this UPNP device in secs before considered to be outdated
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* @param vendorFirmware the vendor firmware
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* @param discoveryUSN the discovery USN used to find and create this device
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* @param discoveryUDN the discovery UDN used to find and create this device
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* @throws MalformedURLException if the location URL is invalid and cannot be used to populate this root object and its child devices
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* IllegalStateException if the device has an unsupported version, currently only version 1.0 is supported
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*/
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public UPNPRootDevice( URL deviceDefLoc, String maxAge, String vendorFirmware, String discoveryUSN, String discoveryUDN ) throws MalformedURLException, IllegalStateException {
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this( deviceDefLoc, maxAge );
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this.vendorFirmware = vendorFirmware;
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this.discoveryUSN = discoveryUSN;
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this.discoveryUDN = discoveryUDN;
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}
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/**
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* Constructor for the root device, constructs itself from
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* An xml device definition file provided by the UPNP device via http normally.
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* @param deviceDefLoc the location of the XML device definition file
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* using "the urn:schemas-upnp-org:device-1-0" namespace
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* @param maxAge the maximum age of this UPNP device in secs before considered to be outdated
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* @param vendorFirmware the vendor firmware
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* @throws MalformedURLException if the location URL is invalid and cannot be used to populate this root object and its child devices
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* IllegalStateException if the device has an unsupported version, currently only version 1.0 is supported
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*/
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public UPNPRootDevice( URL deviceDefLoc, String maxAge, String vendorFirmware ) throws MalformedURLException, IllegalStateException {
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this( deviceDefLoc, maxAge );
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this.vendorFirmware = vendorFirmware;
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}
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/**
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* Constructor for the root device, constructs itself from
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* An xml device definition file provided by the UPNP device via http normally.
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* @param deviceDefLoc the location of the XML device definition file
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* using "the urn:schemas-upnp-org:device-1-0" namespace
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* @param maxAge the maximum age in secs of this UPNP device before considered to be outdated
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* @throws MalformedURLException if the location URL is invalid and cannot be used to populate this root object and its child devices
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* IllegalStateException if the device has an unsupported version, currently only version 1.0 is supported
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*/
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public UPNPRootDevice( URL deviceDefLoc, String maxAge ) throws MalformedURLException, IllegalStateException {
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this.deviceDefLoc = deviceDefLoc;
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DocumentContainer.registerXMLParser( DocumentContainer.MODEL_DOM, new JXPathParser() );
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UPNPDevice = new DocumentContainer( deviceDefLoc, DocumentContainer.MODEL_DOM );
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validityTime = Integer.parseInt( maxAge ) * 1000;
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creationTime = System.currentTimeMillis();
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JXPathContext context = JXPathContext.newContext( this );
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// registering this namespace because JxPath 1.3 is namespace aware per default - 2010-07-17 MiB
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context.registerNamespace("upnp", "urn:schemas-upnp-org:device-1-0");
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Pointer rootPtr = context.getPointer( "UPNPDevice/upnp:root" );
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JXPathContext rootCtx = context.getRelativeContext( rootPtr );
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rootCtx.setNamespaceContextPointer(rootPtr);
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// rootCtx.registerNamespace(null, "urn:schemas-upnp-org:device-1-0");
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specVersionMajor = Integer.parseInt( (String)rootCtx.getValue( "upnp:specVersion/upnp:major" ) );
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specVersionMinor = Integer.parseInt( (String)rootCtx.getValue( "upnp:specVersion/upnp:minor" ) );
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if ( !( specVersionMajor == 1 && specVersionMinor == 0 ) ) {
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throw new IllegalStateException( "Unsupported device version (" + specVersionMajor + "." + specVersionMinor + ")" );
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}
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boolean buildURLBase = true;
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String base = null;
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try {
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base = (String)rootCtx.getValue( "upnp:URLBase" );
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if ( base != null && base.trim().length() > 0 ) {
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URLBase = new URL( base );
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if ( log.isDebugEnabled() ) log.debug( "device URLBase " + URLBase );
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buildURLBase = false;
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}
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} catch (final JXPathException ex ) {
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// URLBase is not mandatory we assume we use the URL of the device
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} catch (final MalformedURLException malformedEx ) {
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// crappy urlbase provided
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log.warn( "Error occured during device baseURL " + base + " parsing, building it from device default location", malformedEx );
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}
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if ( buildURLBase ) {
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String URL = deviceDefLoc.getProtocol() + "://" + deviceDefLoc.getHost() + ":" + deviceDefLoc.getPort();
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String path = deviceDefLoc.getPath();
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if ( path != null ) {
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int lastSlash = path.lastIndexOf( '/' );
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if ( lastSlash != -1 ) {
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URL += path.substring( 0, lastSlash );
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}
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}
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URLBase = new URL( URL );
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}
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Pointer devicePtr = rootCtx.getPointer( "upnp:device" );
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JXPathContext deviceCtx = rootCtx.getRelativeContext( devicePtr );
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deviceCtx.registerNamespace("upnp", "urn:schemas-upnp-org:device-1-0");
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fillUPNPDevice( this, null, deviceCtx, URLBase );
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}
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/**
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* The validity time for this device in milliseconds,
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* @return the number of milliseconds remaining before the device object that has been build is considered to
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* be outdated, after this delay the UPNP device should resend an advertisement message or a negative value
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* if the device is outdated
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*/
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public long getValidityTime() {
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long elapsed = System.currentTimeMillis() - creationTime;
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return validityTime - elapsed;
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}
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/**
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* Resets the device validity time
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* @param newMaxAge the maximum age in secs of this UPNP device before considered to be outdated
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*/
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public void resetValidityTime( String newMaxAge ) {
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validityTime = Integer.parseInt( newMaxAge ) * 1000;
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creationTime = System.currentTimeMillis();
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}
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/**
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* Retreives the device description file location
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* @return an URL
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*/
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public URL getDeviceDefLoc() {
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return deviceDefLoc;
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}
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public int getSpecVersionMajor() {
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return specVersionMajor;
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}
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public int getSpecVersionMinor() {
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return specVersionMinor;
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}
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public String getVendorFirmware() {
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return vendorFirmware;
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}
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public String getDiscoveryUSN() {
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return discoveryUSN;
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}
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public String getDiscoveryUDN() {
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return discoveryUDN;
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}
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/**
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* URL base acces
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* @return URL the URL base, or null if the device does not provide
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* such information
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*/
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public URL getURLBase() {
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return URLBase;
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}
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/**
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* Parsing an UPNPdevice description element (<device>) in the description XML file
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* @param device the device object that will be populated
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* @param parent the device parent object
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* @param deviceCtx an XPath context for object population
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* @param baseURL the base URL of the UPNP device
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* @throws MalformedURLException if some URL provided in the description file is invalid
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*/
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private void fillUPNPDevice( UPNPDevice device, UPNPDevice parent, JXPathContext deviceCtx, URL baseURL ) throws MalformedURLException {
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device.deviceType = getMandatoryData( deviceCtx, "upnp:deviceType" );
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if ( log.isDebugEnabled() ) log.debug( "parsing device " + device.deviceType );
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device.friendlyName = getMandatoryData( deviceCtx, "upnp:friendlyName" );
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device.manufacturer = getNonMandatoryData( deviceCtx, "upnp:manufacturer" );
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String base = getNonMandatoryData( deviceCtx, "upnp:manufacturerURL" );
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try {
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if ( base != null ) device.manufacturerURL = new URL( base );
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} catch (final java.net.MalformedURLException ex ) {
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// crappy data provided, keep the field null
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}
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try {
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device.presentationURL = getURL( getNonMandatoryData( deviceCtx, "upnp:presentationURL" ), URLBase );
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} catch (final java.net.MalformedURLException ex ) {
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// crappy data provided, keep the field null
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}
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device.modelDescription = getNonMandatoryData( deviceCtx, "upnp:modelDescription" );
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device.modelName = getMandatoryData( deviceCtx, "upnp:modelName" );
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device.modelNumber = getNonMandatoryData( deviceCtx, "upnp:modelNumber" );
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device.modelURL = getNonMandatoryData( deviceCtx, "upnp:modelURL" );
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device.serialNumber = getNonMandatoryData( deviceCtx, "upnp:serialNumber" );
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device.UDN = getMandatoryData( deviceCtx, "upnp:UDN" );
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device.USN = UDN.concat( "::" ).concat( deviceType );
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String tmp = getNonMandatoryData( deviceCtx, "upnp:UPC" );
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if ( tmp != null ) {
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try {
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device.UPC = Long.parseLong( tmp );
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} catch (final Exception ex ) {
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// non all numeric field provided, non upnp compliant device
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}
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}
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device.parent = parent;
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fillUPNPServicesList( device, deviceCtx );
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fillUPNPDeviceIconsList( device, deviceCtx, URLBase );
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Pointer deviceListPtr;
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try {
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deviceListPtr = deviceCtx.getPointer( "upnp:deviceList" );
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} catch (final JXPathException ex ) {
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// no pointers for this device list, this can happen
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// if the device has no child devices, simply returning
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return;
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}
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JXPathContext deviceListCtx = deviceCtx.getRelativeContext( deviceListPtr );
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deviceListCtx.registerNamespace("upnp", "urn:schemas-upnp-org:device-1-0");
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Double arraySize = (Double)deviceListCtx.getValue( "count( upnp:device )" );
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device.childDevices = new ArrayList<UPNPDevice>();
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if ( log.isDebugEnabled() ) log.debug( "child devices count is " + arraySize );
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for ( int i = 1; i <= arraySize.intValue(); i++ ) {
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Pointer devicePtr = deviceListCtx.getPointer( "upnp:device[" + i + "]" );
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JXPathContext childDeviceCtx = deviceListCtx.getRelativeContext( devicePtr );
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childDeviceCtx.registerNamespace("upnp", "urn:schemas-upnp-org:device-1-0");
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UPNPDevice childDevice = new UPNPDevice();
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fillUPNPDevice( childDevice, device, childDeviceCtx, baseURL );
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if ( log.isDebugEnabled() ) log.debug( "adding child device " + childDevice.getDeviceType() );
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device.childDevices.add( childDevice );
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}
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}
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private String getMandatoryData( JXPathContext ctx, String ctxFieldName ) {
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String value = (String)ctx.getValue( ctxFieldName );
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if ( value != null && value.isEmpty() ) {
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throw new JXPathException( "Mandatory field " + ctxFieldName + " not provided, uncompliant UPNP device !!" );
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}
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return value;
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}
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private String getNonMandatoryData( JXPathContext ctx, String ctxFieldName ) {
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String value = null;
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try {
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value = (String)ctx.getValue( ctxFieldName );
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if ( value != null && value.isEmpty() ) {
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value = null;
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}
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} catch (final JXPathException ex ) {
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value = null;
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}
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return value;
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}
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/**
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* Parsing an UPNPdevice services list element (<device/serviceList>) in the description XML file
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* @param device the device object that will store the services list (UPNPService) objects
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* @param deviceCtx an XPath context for object population
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* @throws MalformedURLException if some URL provided in the description
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* file for a service entry is invalid
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*/
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private void fillUPNPServicesList( UPNPDevice device, JXPathContext deviceCtx ) throws MalformedURLException {
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Pointer serviceListPtr = deviceCtx.getPointer( "upnp:serviceList" );
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JXPathContext serviceListCtx = deviceCtx.getRelativeContext( serviceListPtr );
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serviceListCtx.registerNamespace("upnp", "urn:schemas-upnp-org:device-1-0");
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Double arraySize = (Double)serviceListCtx.getValue( "count( upnp:service )" );
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if ( log.isDebugEnabled() ) log.debug( "device services count is " + arraySize );
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device.services = new ArrayList<UPNPService>();
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for ( int i = 1; i <= arraySize.intValue(); i++ ) {
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Pointer servicePtr = serviceListCtx.getPointer( "upnp:service["+i+"]" );
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JXPathContext serviceCtx = serviceListCtx.getRelativeContext( servicePtr );
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serviceCtx.registerNamespace("upnp", "urn:schemas-upnp-org:device-1-0");
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// TODO possibility of bugs if deviceDefLoc contains a file name
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URL base = URLBase != null ? URLBase : deviceDefLoc;
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UPNPService service = new UPNPService( serviceCtx, base, this );
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device.services.add( service );
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}
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}
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/**
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* Parsing an UPNPdevice icons list element (<device/iconList>) in the description XML file
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* This list can be null
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* @param device the device object that will store the icons list (DeviceIcon) objects
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* @param deviceCtx an XPath context for object population
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* @throws MalformedURLException if some URL provided in the description
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* file for an icon URL
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*/
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private void fillUPNPDeviceIconsList( UPNPDevice device, JXPathContext deviceCtx, URL baseURL ) throws MalformedURLException {
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Pointer iconListPtr;
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try {
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iconListPtr = deviceCtx.getPointer( "upnp:iconList" );
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} catch (final JXPathException ex ) {
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// no pointers for icons list, this can happen
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// simply returning
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return;
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}
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JXPathContext iconListCtx = deviceCtx.getRelativeContext( iconListPtr );
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iconListCtx.registerNamespace("upnp", "urn:schemas-upnp-org:device-1-0");
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Double arraySize = (Double)iconListCtx.getValue( "count( upnp:icon )" );
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if ( log.isDebugEnabled() ) log.debug( "device icons count is " + arraySize );
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device.deviceIcons = new ArrayList<DeviceIcon>();
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for ( int i = 1; i <= arraySize.intValue(); i++ ) {
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DeviceIcon ico = new DeviceIcon();
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ico.mimeType = (String)iconListCtx.getValue( "upnp:icon["+i+"]/upnp:mimetype" );
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ico.width = Integer.parseInt( (String)iconListCtx.getValue( "upnp:icon["+i+"]/upnp:width" ) );
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ico.height = Integer.parseInt( (String)iconListCtx.getValue( "upnp:icon["+i+"]/upnp:height" ) );
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ico.depth = Integer.parseInt( (String)iconListCtx.getValue( "upnp:icon["+i+"]/upnp:depth" ) );
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ico.url = getURL( (String)iconListCtx.getValue( "upnp:icon["+i+"]/upnp:url" ), baseURL );
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if ( log.isDebugEnabled() ) log.debug( "icon URL is " + ico.url );
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device.deviceIcons.add( ico );
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}
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}
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/**
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* Parsing an URL from the descriptionXML file
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* @param url the string representation fo the URL
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* @param baseURL the base device URL, needed if the url param is relative
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* @return an URL object defining the url param
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* @throws MalformedURLException if the url param or baseURL.toExternalForm() + url
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* cannot be parsed to create an URL object
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*/
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public final static URL getURL( String url, URL baseURL ) throws MalformedURLException {
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URL rtrVal;
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if ( url == null || url.trim().isEmpty() ) return null;
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try {
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rtrVal = new URL( url );
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} catch (final MalformedURLException malEx ) {
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// maybe that the url is relative, we add the baseURL and reparse it
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// if relative then we take the device baser url root and add the url
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if ( baseURL != null ) {
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url = url.replace( '\\', '/' );
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if ( url.charAt( 0 ) != '/' ) {
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// the path is relative to the device baseURL
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String externalForm = baseURL.toExternalForm();
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if ( !externalForm.endsWith( "/" ) ) {
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externalForm += "/";
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}
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rtrVal = new URL( externalForm + url );
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} else {
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// the path is not relative
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String URLRoot = baseURL.getProtocol() + "://" + baseURL.getHost() + ":" + baseURL.getPort();
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rtrVal = new URL( URLRoot + url );
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}
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} else {
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throw malEx;
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}
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}
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return rtrVal;
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}
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/**
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* Retrieves the device definition XML data
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* @return the device definition XML data as a String
|
|
*/
|
|
public String getDeviceDefLocData() {
|
|
if ( deviceDefLocData == null ) {
|
|
try {
|
|
java.io.InputStream in = deviceDefLoc.openConnection().getInputStream();
|
|
int readen = 0;
|
|
byte[] buff = new byte[512];
|
|
StringBuilder strBuff = new StringBuilder();
|
|
while( ( readen = in.read( buff ) ) != -1 ) {
|
|
strBuff.append( new String( buff, 0, readen ) );
|
|
}
|
|
in.close();
|
|
deviceDefLocData = strBuff.toString();
|
|
} catch (final IOException ioEx ) {
|
|
return null;
|
|
}
|
|
}
|
|
return deviceDefLocData;
|
|
}
|
|
|
|
/**
|
|
* Used for JXPath parsing, do not use this method
|
|
* @return a Container object for Xpath parsing capabilities
|
|
*/
|
|
public Container getUPNPDevice() {
|
|
return UPNPDevice;
|
|
}
|
|
|
|
}
|