Java tutorial
/* * PS3 Media Server, for streaming any medias to your PS3. * Copyright (C) 2008 A.Brochard * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; version 2 * of the License only. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ package net.pms.network; import io.netty.buffer.ByteBuf; import io.netty.buffer.Unpooled; import io.netty.channel.ChannelFuture; import io.netty.channel.ChannelFutureListener; import io.netty.channel.ChannelHandlerContext; import io.netty.handler.codec.http.*; import io.netty.handler.stream.ChunkedStream; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.net.MalformedURLException; import java.net.Socket; import java.net.URL; import java.text.SimpleDateFormat; import java.util.*; import net.pms.PMS; import net.pms.configuration.PmsConfiguration; import net.pms.configuration.RendererConfiguration; import net.pms.dlna.*; import net.pms.formats.Format; import net.pms.external.StartStopListenerDelegate; import net.pms.util.StringUtil; import static net.pms.util.StringUtil.convertStringToTime; import net.pms.util.UMSUtils; import static org.apache.commons.lang3.StringUtils.isNotBlank; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * This class handles all forms of incoming HTTP requests by constructing a proper HTTP response. */ public class RequestV2 extends HTTPResource { private static final Logger LOGGER = LoggerFactory.getLogger(RequestV2.class); private final static String CRLF = "\r\n"; private final SimpleDateFormat sdf = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss", Locale.US); private static int BUFFER_SIZE = 8 * 1024; private final String method; private PmsConfiguration configuration = PMS.getConfiguration(); /** * A {@link String} that contains the argument with which this {@link RequestV2} was * created. It contains a command, a unique resource id and a resource name, all * separated by slashes. For example: "get/0$0$2$17/big_buck_bunny_1080p_h264.mov" or * "get/0$0$2$13/thumbnail0000Sintel.2010.1080p.mkv" */ private String argument; private String soapaction; private String content; private String objectID; private int startingIndex; private int requestCount; private String browseFlag; /** * When sending an input stream, the lowRange indicates which byte to start from. */ private long lowRange; private InputStream inputStream; private RendererConfiguration mediaRenderer; private String transferMode; private String contentFeatures; private final Range.Time range = new Range.Time(); /** * When sending an input stream, the highRange indicates which byte to stop at. */ private long highRange; private boolean http10; public RendererConfiguration getMediaRenderer() { return mediaRenderer; } public void setMediaRenderer(RendererConfiguration mediaRenderer) { this.mediaRenderer = mediaRenderer; configuration = PMS.getConfiguration(mediaRenderer); } public InputStream getInputStream() { return inputStream; } /** * When sending an input stream, the lowRange indicates which byte to start from. * @return The byte to start from */ public long getLowRange() { return lowRange; } /** * Set the byte from which to start when sending an input stream. This value will * be used to send a CONTENT_RANGE header with the response. * @param lowRange The byte to start from. */ public void setLowRange(long lowRange) { // Assume 100GB+ values are errors and ignore them. if (lowRange < 100000000000L) { this.lowRange = lowRange; } } public String getTransferMode() { return transferMode; } public void setTransferMode(String transferMode) { this.transferMode = transferMode; } public String getContentFeatures() { return contentFeatures; } public void setContentFeatures(String contentFeatures) { this.contentFeatures = contentFeatures; } public void setTimeRangeStart(Double timeseek) { this.range.setStart(timeseek); } public void setTimeRangeStartString(String str) { setTimeRangeStart(convertStringToTime(str)); } public void setTimeRangeEnd(Double rangeEnd) { this.range.setEnd(rangeEnd); } public void setTimeRangeEndString(String str) { setTimeRangeEnd(convertStringToTime(str)); } /** * When sending an input stream, the highRange indicates which byte to stop at. * @return The byte to stop at. */ public long getHighRange() { return highRange; } /** * Set the byte at which to stop when sending an input stream. This value will * be used to send a CONTENT_RANGE header with the response. * @param highRange The byte to stop at. */ public void setHighRange(long highRange) { this.highRange = highRange; } public boolean isHttp10() { return http10; } public void setHttp10(boolean http10) { this.http10 = http10; } /** * This class will construct and transmit a proper HTTP response to a given HTTP request. * Rewritten version of the {@link Request} class. * @param method The {@link String} that defines the HTTP method to be used. * @param argument The {@link String} containing instructions for PMS. It contains a command, * a unique resource id and a resource name, all separated by slashes. */ public RequestV2(String method, String argument) { this.method = method; this.argument = argument; } public String getSoapaction() { return soapaction; } public void setSoapaction(String soapaction) { this.soapaction = soapaction; } public String getTextContent() { return content; } public void setTextContent(String content) { this.content = content; } /** * Retrieves the HTTP method with which this {@link RequestV2} was created. * @return The (@link String} containing the HTTP method. */ public String getMethod() { return method; } /** * Retrieves the argument with which this {@link RequestV2} was created. It contains * a command, a unique resource id and a resource name, all separated by slashes. For * example: "get/0$0$2$17/big_buck_bunny_1080p_h264.mov" or "get/0$0$2$13/thumbnail0000Sintel.2010.1080p.mkv" * @return The {@link String} containing the argument. */ public String getArgument() { return argument; } /** * Construct a proper HTTP response to a received request. After the response has been * created, it is sent and the resulting {@link ChannelFuture} object is returned. * See <a href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html">RFC-2616</a> * for HTTP header field definitions. * * @param ctx * @param output The {@link HttpResponse} object that will be used to construct the response. * @param e The {@link io.netty.handler.codec.http.FullHttpRequest} object used to communicate with the client that sent * the request. * @param close Set to true to close the channel after sending the response. By default the * channel is not closed after sending. * @param startStopListenerDelegate The {@link StartStopListenerDelegate} object that is used * to notify plugins that the {@link DLNAResource} is about to start playing. * @return The {@link ChannelFuture} object via which the response was sent. * @throws IOException */ public ChannelFuture answer(final ChannelHandlerContext ctx, HttpResponse output, FullHttpRequest e, final boolean close, final StartStopListenerDelegate startStopListenerDelegate) throws IOException { ChannelFuture future = null; long CLoverride = -2; // 0 and above are valid Content-Length values, -1 means omit StringBuilder response = new StringBuilder(); DLNAResource dlna = null; boolean xbox360 = mediaRenderer.isXbox360(); // Samsung 2012 TVs have a problematic preceding slash that needs to be removed. if (argument.startsWith("/")) { LOGGER.trace("Stripping preceding slash from: " + argument); argument = argument.substring(1); } if ((method.equals("GET") || method.equals("HEAD")) && argument.startsWith("console/")) { // Request to output a page to the HTML console. output.headers().set(HttpHeaders.Names.CONTENT_TYPE, "text/html"); response.append(HTMLConsole.servePage(argument.substring(8))); } else if ((method.equals("GET") || method.equals("HEAD")) && argument.startsWith("get/")) { // Request to retrieve a file /** * Skip the leading "get/" * e.g. "get/0$1$5$3$4/Foo.mp4" -> "0$1$5$3$4/Foo.mp4" * * ExSport: I spotted on Android it is asking for "/get/0$2$4$2$1$3" which generates exception with response: * "Http: Response, HTTP/1.1, Status: Internal server error, URL: /get/0$2$4$2$1$3" * This should fix it */ // Note: we intentionally include the trailing filename here because it may // be used to reconstruct lost Temp items. String id = argument.substring(argument.indexOf("get/") + 4); // Some clients escape the separators in their request: unescape them. id = id.replace("%24", "$"); // Retrieve the DLNAresource itself. dlna = PMS.get().getRootFolder(mediaRenderer).getDLNAResource(id, mediaRenderer); String fileName = id.substring(id.indexOf('/') + 1); if (transferMode != null) { output.headers().set("TransferMode.DLNA.ORG", transferMode); } if (dlna != null && dlna.isFolder() && !fileName.startsWith("thumbnail0000")) { // if we found a folder we MUST be asked for thumbnails // otherwise this is not allowed dlna = null; } if (dlna != null) { // DLNAresource was found. if (fileName.startsWith("thumbnail0000")) { // This is a request for a thumbnail file. output.headers().set(HttpHeaders.Names.CONTENT_TYPE, dlna.getThumbnailContentType()); output.headers().set(HttpHeaders.Names.ACCEPT_RANGES, "bytes"); output.headers().set(HttpHeaders.Names.EXPIRES, getFUTUREDATE() + " GMT"); output.headers().set(HttpHeaders.Names.CONNECTION, "keep-alive"); if (!configuration.isShowCodeThumbs() && !dlna.isCodeValid(dlna)) { inputStream = dlna.getGenericThumbnailInputStream(null); } else { if (mediaRenderer.isMediaParserV2()) { dlna.checkThumbnail(); } inputStream = dlna.getThumbnailInputStream(); } inputStream = UMSUtils.scaleThumb(inputStream, mediaRenderer); } else if (dlna.getMedia() != null && fileName.contains("subtitle0000") && dlna.isCodeValid(dlna)) { // This is a request for a subtitle file output.headers().set(HttpHeaders.Names.CONTENT_TYPE, "text/plain"); output.headers().set(HttpHeaders.Names.EXPIRES, getFUTUREDATE() + " GMT"); DLNAMediaSubtitle sub = dlna.getMediaSubtitle(); if (sub != null) { try { // XXX external file is null if the first subtitle track is embedded: // http://www.ps3mediaserver.org/forum/viewtopic.php?f=3&t=15805&p=75534#p75534 if (sub.isExternal()) { inputStream = new FileInputStream(sub.getExternalFile()); LOGGER.trace("Loading external subtitles: " + sub); } else { LOGGER.trace( "Not loading external subtitles because they are not external: " + sub); } } catch (NullPointerException npe) { LOGGER.trace("Not loading external subtitles because we could not find them at " + sub); } } else { LOGGER.trace("Not loading external subtitles because dlna.getMediaSubtitle returned null"); } } else if (dlna.isCodeValid(dlna)) { // This is a request for a regular file. DLNAResource.Rendering origRendering = null; if (!mediaRenderer.equals(dlna.getDefaultRenderer())) { // Adjust rendering details for this renderer origRendering = dlna.updateRendering(mediaRenderer); } // If range has not been initialized yet and the DLNAResource has its // own start and end defined, initialize range with those values before // requesting the input stream. Range.Time splitRange = dlna.getSplitRange(); if (range.getStart() == null && splitRange.getStart() != null) { range.setStart(splitRange.getStart()); } if (range.getEnd() == null && splitRange.getEnd() != null) { range.setEnd(splitRange.getEnd()); } long totalsize = dlna.length(mediaRenderer); boolean ignoreTranscodeByteRangeRequests = mediaRenderer.ignoreTranscodeByteRangeRequests(); // Ignore ByteRangeRequests while media is transcoded if (!ignoreTranscodeByteRangeRequests || totalsize != DLNAMediaInfo.TRANS_SIZE || (ignoreTranscodeByteRangeRequests && lowRange == 0 && totalsize == DLNAMediaInfo.TRANS_SIZE)) { inputStream = dlna.getInputStream( Range.create(lowRange, highRange, range.getStart(), range.getEnd()), mediaRenderer); if (dlna.isResume()) { // Update range to possibly adjusted resume time range.setStart(dlna.getResume().getTimeOffset() / (double) 1000); } } Format format = dlna.getFormat(); if (format != null && format.isVideo()) { if (dlna.getMedia() != null && !configuration.isDisableSubtitles()) { // Some renderers (like Samsung devices) allow a custom header for a subtitle URL String subtitleHttpHeader = mediaRenderer.getSubtitleHttpHeader(); if (subtitleHttpHeader != null && !"".equals(subtitleHttpHeader)) { // Device allows a custom subtitle HTTP header; construct it DLNAMediaSubtitle sub = dlna.getMediaSubtitle(); if (sub != null) { String subtitleUrl; String subExtension = sub.getType().getExtension(); if (isNotBlank(subExtension)) { subExtension = "." + subExtension; } subtitleUrl = "http://" + PMS.get().getServer().getHost() + ':' + PMS.get().getServer().getPort() + "/get/" + id.substring(0, id.indexOf('/')) + "/subtitle0000" + subExtension; output.headers().set(subtitleHttpHeader, subtitleUrl); } else { LOGGER.trace( "Did not send subtitle headers because dlna.getMediaSubtitle returned null"); } } else { LOGGER.trace( "Did not send subtitle headers because mediaRenderer.getSubtitleHttpHeader returned either null or blank"); } } else { LOGGER.trace( "Did not send subtitle headers because dlna.getMedia returned null or configuration.isDisableSubtitles was true"); } } String name = dlna.getDisplayName(mediaRenderer); if (dlna.isNoName()) { name = dlna.getName() + " " + dlna.getDisplayName(mediaRenderer); } if (inputStream == null) { if (!ignoreTranscodeByteRangeRequests) { // No inputStream indicates that transcoding / remuxing probably crashed. LOGGER.error("There is no inputstream to return for " + name); } } else { // Notify plugins that the DLNAresource is about to start playing startStopListenerDelegate.start(dlna); // Try to determine the content type of the file String rendererMimeType = getRendererMimeType(dlna.mimeType(), mediaRenderer); if (rendererMimeType != null && !"".equals(rendererMimeType)) { output.headers().set(HttpHeaders.Names.CONTENT_TYPE, rendererMimeType); } // Response generation: // We use -1 for arithmetic convenience but don't send it as a value. // If Content-Length < 0 we omit it, for Content-Range we use '*' to signify unspecified. boolean chunked = mediaRenderer.isChunkedTransfer(); // Determine the total size. Note: when transcoding the length is // not known in advance, so DLNAMediaInfo.TRANS_SIZE will be returned instead. if (chunked && totalsize == DLNAMediaInfo.TRANS_SIZE) { // In chunked mode we try to avoid arbitrary values. totalsize = -1; } long remaining = totalsize - lowRange; long requested = highRange - lowRange; if (requested != 0) { // Determine the range (i.e. smaller of known or requested bytes) long bytes = remaining > -1 ? remaining : inputStream.available(); if (requested > 0 && bytes > requested) { bytes = requested + 1; } // Calculate the corresponding highRange (this is usually redundant). highRange = lowRange + bytes - (bytes > 0 ? 1 : 0); LOGGER.trace( (chunked ? "Using chunked response. " : "") + "Sending " + bytes + " bytes."); output.headers().set(HttpHeaders.Names.CONTENT_RANGE, "bytes " + lowRange + "-" + (highRange > -1 ? highRange : "*") + "/" + (totalsize > -1 ? totalsize : "*")); // Content-Length refers to the current chunk size here, though in chunked // mode if the request is open-ended and totalsize is unknown we omit it. if (chunked && requested < 0 && totalsize < 0) { CLoverride = -1; } else { CLoverride = bytes; } } else { // Content-Length refers to the total remaining size of the stream here. CLoverride = remaining; } // Calculate the corresponding highRange (this is usually redundant). highRange = lowRange + CLoverride - (CLoverride > 0 ? 1 : 0); if (contentFeatures != null) { output.headers().set("ContentFeatures.DLNA.ORG", dlna.getDlnaContentFeatures(mediaRenderer)); } output.headers().set(HttpHeaders.Names.ACCEPT_RANGES, "bytes"); output.headers().set(HttpHeaders.Names.CONNECTION, "keep-alive"); } if (origRendering != null) { // Restore original rendering details dlna.updateRendering(origRendering); } } } } else if ((method.equals("GET") || method.equals("HEAD")) && (argument.toLowerCase().endsWith(".png") || argument.toLowerCase().endsWith(".jpg") || argument.toLowerCase().endsWith(".jpeg"))) { if (argument.toLowerCase().endsWith(".png")) { output.headers().set(HttpHeaders.Names.CONTENT_TYPE, "image/png"); } else { output.headers().set(HttpHeaders.Names.CONTENT_TYPE, "image/jpeg"); } output.headers().set(HttpHeaders.Names.ACCEPT_RANGES, "bytes"); output.headers().set(HttpHeaders.Names.CONNECTION, "keep-alive"); output.headers().set(HttpHeaders.Names.EXPIRES, getFUTUREDATE() + " GMT"); inputStream = getResourceInputStream(argument); } else if ((method.equals("GET") || method.equals("HEAD")) && (argument.equals("description/fetch") || argument.endsWith("1.0.xml"))) { output.headers().set(HttpHeaders.Names.CONTENT_TYPE, "text/xml; charset=\"utf-8\""); output.headers().set(HttpHeaders.Names.CACHE_CONTROL, "no-cache"); output.headers().set(HttpHeaders.Names.EXPIRES, "0"); output.headers().set(HttpHeaders.Names.ACCEPT_RANGES, "bytes"); output.headers().set(HttpHeaders.Names.CONNECTION, "keep-alive"); inputStream = getResourceInputStream((argument.equals("description/fetch") ? "PMS.xml" : argument)); if (argument.equals("description/fetch")) { byte b[] = new byte[inputStream.available()]; inputStream.read(b); String s = new String(b); s = s.replace("[uuid]", PMS.get().usn()); //.substring(0, PMS.get().usn().length()-2)); String profileName = ""; if (configuration.isAppendProfileName()) { profileName = " [" + configuration.getProfileName() + "]"; } String serverName = configuration.getServerName(); if (PMS.get().getServer().getHost() != null) { s = s.replace("[host]", PMS.get().getServer().getHost()); s = s.replace("[port]", "" + PMS.get().getServer().getPort()); } if (xbox360) { LOGGER.debug("DLNA changes for Xbox 360"); s = s.replace("Universal Media Server", serverName + profileName + " : Windows Media Connect"); s = s.replace("<modelName>UMS</modelName>", "<modelName>Windows Media Connect</modelName>"); s = s.replace("<serviceList>", "<serviceList>" + CRLF + "<service>" + CRLF + "<serviceType>urn:microsoft.com:service:X_MS_MediaReceiverRegistrar:1</serviceType>" + CRLF + "<serviceId>urn:microsoft.com:serviceId:X_MS_MediaReceiverRegistrar</serviceId>" + CRLF + "<SCPDURL>/upnp/mrr/scpd</SCPDURL>" + CRLF + "<controlURL>/upnp/mrr/control</controlURL>" + CRLF + "</service>" + CRLF); } else { s = s.replace("Universal Media Server", serverName + profileName); } response.append(s); inputStream = null; } } else if (method.equals("POST") && (argument.contains("MS_MediaReceiverRegistrar_control") || argument.contains("mrr/control"))) { output.headers().set(HttpHeaders.Names.CONTENT_TYPE, "text/xml; charset=\"utf-8\""); response.append(HTTPXMLHelper.XML_HEADER); response.append(CRLF); response.append(HTTPXMLHelper.SOAP_ENCODING_HEADER); response.append(CRLF); if (soapaction != null && soapaction.contains("IsAuthorized")) { response.append(HTTPXMLHelper.XBOX_360_2); response.append(CRLF); } else if (soapaction != null && soapaction.contains("IsValidated")) { response.append(HTTPXMLHelper.XBOX_360_1); response.append(CRLF); } response.append(HTTPXMLHelper.BROWSERESPONSE_FOOTER); response.append(CRLF); response.append(HTTPXMLHelper.SOAP_ENCODING_FOOTER); response.append(CRLF); } else if (method.equals("POST") && argument.endsWith("upnp/control/connection_manager")) { output.headers().set(HttpHeaders.Names.CONTENT_TYPE, "text/xml; charset=\"utf-8\""); if (soapaction != null && soapaction.contains("ConnectionManager:1#GetProtocolInfo")) { response.append(HTTPXMLHelper.XML_HEADER); response.append(CRLF); response.append(HTTPXMLHelper.SOAP_ENCODING_HEADER); response.append(CRLF); response.append(HTTPXMLHelper.PROTOCOLINFO_RESPONSE); response.append(CRLF); response.append(HTTPXMLHelper.SOAP_ENCODING_FOOTER); response.append(CRLF); } } else if (method.equals("POST") && argument.endsWith("upnp/control/content_directory")) { output.headers().set(HttpHeaders.Names.CONTENT_TYPE, "text/xml; charset=\"utf-8\""); if (soapaction != null && soapaction.contains("ContentDirectory:1#GetSystemUpdateID")) { response.append(HTTPXMLHelper.XML_HEADER); response.append(CRLF); response.append(HTTPXMLHelper.SOAP_ENCODING_HEADER); response.append(CRLF); response.append(HTTPXMLHelper.GETSYSTEMUPDATEID_HEADER); response.append(CRLF); response.append("<Id>").append(DLNAResource.getSystemUpdateId()).append("</Id>"); response.append(CRLF); response.append(HTTPXMLHelper.GETSYSTEMUPDATEID_FOOTER); response.append(CRLF); response.append(HTTPXMLHelper.SOAP_ENCODING_FOOTER); response.append(CRLF); } else if (soapaction != null && soapaction.contains("ContentDirectory:1#X_GetFeatureList")) { // Added for Samsung 2012 TVs response.append(HTTPXMLHelper.XML_HEADER); response.append(CRLF); response.append(HTTPXMLHelper.SOAP_ENCODING_HEADER); response.append(CRLF); response.append(HTTPXMLHelper.SAMSUNG_ERROR_RESPONSE); response.append(CRLF); response.append(HTTPXMLHelper.SOAP_ENCODING_FOOTER); response.append(CRLF); } else if (soapaction != null && soapaction.contains("ContentDirectory:1#GetSortCapabilities")) { response.append(HTTPXMLHelper.XML_HEADER); response.append(CRLF); response.append(HTTPXMLHelper.SOAP_ENCODING_HEADER); response.append(CRLF); response.append(HTTPXMLHelper.SORTCAPS_RESPONSE); response.append(CRLF); response.append(HTTPXMLHelper.SOAP_ENCODING_FOOTER); response.append(CRLF); } else if (soapaction != null && soapaction.contains("ContentDirectory:1#GetSearchCapabilities")) { response.append(HTTPXMLHelper.XML_HEADER); response.append(CRLF); response.append(HTTPXMLHelper.SOAP_ENCODING_HEADER); response.append(CRLF); response.append(HTTPXMLHelper.SEARCHCAPS_RESPONSE); response.append(CRLF); response.append(HTTPXMLHelper.SOAP_ENCODING_FOOTER); response.append(CRLF); } else if (soapaction != null && (soapaction.contains("ContentDirectory:1#Browse") || soapaction.contains("ContentDirectory:1#Search"))) { //LOGGER.trace(content); objectID = getEnclosingValue(content, "<ObjectID", "</ObjectID>"); String containerID = null; if ((objectID == null || objectID.length() == 0)) { containerID = getEnclosingValue(content, "<ContainerID", "</ContainerID>"); if (containerID == null || (xbox360 && !containerID.contains("$"))) { objectID = "0"; } else { objectID = containerID; containerID = null; } } String sI = getEnclosingValue(content, "<StartingIndex", "</StartingIndex>"); String rC = getEnclosingValue(content, "<RequestedCount", "</RequestedCount>"); browseFlag = getEnclosingValue(content, "<BrowseFlag", "</BrowseFlag>"); if (sI != null) { startingIndex = Integer.parseInt(sI); } if (rC != null) { requestCount = Integer.parseInt(rC); } response.append(HTTPXMLHelper.XML_HEADER); response.append(CRLF); response.append(HTTPXMLHelper.SOAP_ENCODING_HEADER); response.append(CRLF); if (soapaction != null && soapaction.contains("ContentDirectory:1#Search")) { response.append(HTTPXMLHelper.SEARCHRESPONSE_HEADER); } else { response.append(HTTPXMLHelper.BROWSERESPONSE_HEADER); } response.append(CRLF); response.append(HTTPXMLHelper.RESULT_HEADER); response.append(HTTPXMLHelper.DIDL_HEADER); boolean browseDirectChildren = browseFlag != null && browseFlag.equals("BrowseDirectChildren"); if (soapaction != null && soapaction.contains("ContentDirectory:1#Search")) { browseDirectChildren = true; } // Xbox 360 virtual containers ... d'oh! String searchCriteria = null; if (xbox360 && configuration.getUseCache() && PMS.get().getLibrary() != null && containerID != null) { if (containerID.equals("7") && PMS.get().getLibrary().getAlbumFolder() != null) { objectID = PMS.get().getLibrary().getAlbumFolder().getResourceId(); } else if (containerID.equals("6") && PMS.get().getLibrary().getArtistFolder() != null) { objectID = PMS.get().getLibrary().getArtistFolder().getResourceId(); } else if (containerID.equals("5") && PMS.get().getLibrary().getGenreFolder() != null) { objectID = PMS.get().getLibrary().getGenreFolder().getResourceId(); } else if (containerID.equals("F") && PMS.get().getLibrary().getPlaylistFolder() != null) { objectID = PMS.get().getLibrary().getPlaylistFolder().getResourceId(); } else if (containerID.equals("4") && PMS.get().getLibrary().getAllFolder() != null) { objectID = PMS.get().getLibrary().getAllFolder().getResourceId(); } else if (containerID.equals("1")) { String artist = getEnclosingValue(content, "upnp:artist = "", "")"); if (artist != null) { objectID = PMS.get().getLibrary().getArtistFolder().getResourceId(); searchCriteria = artist; } } } else if (soapaction.contains("ContentDirectory:1#Search")) { searchCriteria = getEnclosingValue(content, "<SearchCriteria", "</SearchCriteria>"); } List<DLNAResource> files = PMS.get().getRootFolder(mediaRenderer).getDLNAResources(objectID, browseDirectChildren, startingIndex, requestCount, mediaRenderer, searchCriteria); if (searchCriteria != null && files != null) { UMSUtils.postSearch(files, searchCriteria); if (xbox360) { if (files.size() > 0) { files = files.get(0).getChildren(); } } } int minus = 0; if (files != null) { for (DLNAResource uf : files) { if (xbox360 && containerID != null) { uf.setFakeParentId(containerID); } if (uf.isCompatible(mediaRenderer) && (uf.getPlayer() == null || uf.getPlayer().isPlayerCompatible(mediaRenderer))) { response.append(uf.getDidlString(mediaRenderer)); } else { minus++; } } } response.append(HTTPXMLHelper.DIDL_FOOTER); response.append(HTTPXMLHelper.RESULT_FOOTER); response.append(CRLF); int filessize = 0; if (files != null) { filessize = files.size(); } response.append("<NumberReturned>").append(filessize - minus).append("</NumberReturned>"); response.append(CRLF); DLNAResource parentFolder = null; if (files != null && filessize > 0) { parentFolder = files.get(0).getParent(); } if (browseDirectChildren && mediaRenderer.isMediaParserV2() && mediaRenderer.isDLNATreeHack()) { // with the new parser, files are parsed and analyzed *before* // creating the DLNA tree, every 10 items (the ps3 asks 10 by 10), // so we do not know exactly the total number of items in the DLNA folder to send // (regular files, plus the #transcode folder, maybe the #imdb one, also files can be // invalidated and hidden if format is broken or encrypted, etc.). // let's send a fake total size to force the renderer to ask following items int totalCount = startingIndex + requestCount + 1; // returns 11 when 10 asked // If no more elements, send the startingIndex if (filessize - minus <= 0) { totalCount = startingIndex; } response.append("<TotalMatches>").append(totalCount).append("</TotalMatches>"); } else if (browseDirectChildren) { response.append("<TotalMatches>") .append(((parentFolder != null) ? parentFolder.childrenNumber() : filessize) - minus) .append("</TotalMatches>"); } else { // From upnp spec: If BrowseMetadata is specified in the BrowseFlags then TotalMatches = 1 response.append("<TotalMatches>1</TotalMatches>"); } response.append(CRLF); response.append("<UpdateID>"); if (parentFolder != null) { response.append(parentFolder.getUpdateId()); } else { response.append("1"); } response.append("</UpdateID>"); response.append(CRLF); if (soapaction != null && soapaction.contains("ContentDirectory:1#Search")) { response.append(HTTPXMLHelper.SEARCHRESPONSE_FOOTER); } else { response.append(HTTPXMLHelper.BROWSERESPONSE_FOOTER); } response.append(CRLF); response.append(HTTPXMLHelper.SOAP_ENCODING_FOOTER); response.append(CRLF); //LOGGER.trace(response.toString()); } } else if (method.equals("SUBSCRIBE")) { output.headers().set("SID", PMS.get().usn()); output.headers().set("TIMEOUT", "Second-1800"); if (soapaction != null) { String cb = soapaction.replace("<", "").replace(">", ""); try { URL soapActionUrl = new URL(cb); String addr = soapActionUrl.getHost(); int port = soapActionUrl.getPort(); Socket sock = new Socket(addr, port); try (OutputStream out = sock.getOutputStream()) { out.write(("NOTIFY /" + argument + " HTTP/1.1").getBytes()); out.write(CRLF.getBytes()); out.write(("SID: " + PMS.get().usn()).getBytes()); out.write(CRLF.getBytes()); out.write(("SEQ: " + 0).getBytes()); out.write(CRLF.getBytes()); out.write(("NT: upnp:event").getBytes()); out.write(CRLF.getBytes()); out.write(("NTS: upnp:propchange").getBytes()); out.write(CRLF.getBytes()); out.write(("HOST: " + addr + ":" + port).getBytes()); out.write(CRLF.getBytes()); out.flush(); sock.close(); } } catch (MalformedURLException ex) { LOGGER.debug("Cannot parse address and port from soap action \"" + soapaction + "\"", ex); } } else { LOGGER.debug("Expected soap action in request"); } if (argument.contains("connection_manager")) { response.append(HTTPXMLHelper.eventHeader("urn:schemas-upnp-org:service:ConnectionManager:1")); response.append(HTTPXMLHelper.eventProp("SinkProtocolInfo")); response.append(HTTPXMLHelper.eventProp("SourceProtocolInfo")); response.append(HTTPXMLHelper.eventProp("CurrentConnectionIDs")); response.append(HTTPXMLHelper.EVENT_FOOTER); } else if (argument.contains("content_directory")) { response.append(HTTPXMLHelper.eventHeader("urn:schemas-upnp-org:service:ContentDirectory:1")); response.append(HTTPXMLHelper.eventProp("TransferIDs")); response.append(HTTPXMLHelper.eventProp("ContainerUpdateIDs")); response.append(HTTPXMLHelper.eventProp("SystemUpdateID", "" + DLNAResource.getSystemUpdateId())); response.append(HTTPXMLHelper.EVENT_FOOTER); } } else if (method.equals("NOTIFY")) { output.headers().set(HttpHeaders.Names.CONTENT_TYPE, "text/xml"); output.headers().set("NT", "upnp:event"); output.headers().set("NTS", "upnp:propchange"); output.headers().set("SID", PMS.get().usn()); output.headers().set("SEQ", "0"); response.append("<e:propertyset xmlns:e=\"urn:schemas-upnp-org:event-1-0\">"); response.append("<e:property>"); response.append("<TransferIDs></TransferIDs>"); response.append("</e:property>"); response.append("<e:property>"); response.append("<ContainerUpdateIDs></ContainerUpdateIDs>"); response.append("</e:property>"); response.append("<e:property>"); response.append("<SystemUpdateID>").append(DLNAResource.getSystemUpdateId()) .append("</SystemUpdateID>"); response.append("</e:property>"); response.append("</e:propertyset>"); } output.headers().set("Server", PMS.get().getServerName()); if (response.length() > 0) { // A response message was constructed; convert it to data ready to be sent. byte responseData[] = response.toString().getBytes("UTF-8"); output.headers().set(HttpHeaders.Names.CONTENT_LENGTH, "" + responseData.length); // HEAD requests only require headers to be set, no need to set contents. if (!method.equals("HEAD")) { // Not a HEAD request, so set the contents of the response. ByteBuf buf = Unpooled.copiedBuffer(responseData); HttpResponse oldOutput = output; output = new DefaultFullHttpResponse(output.getProtocolVersion(), output.getStatus(), buf); output.headers().add(oldOutput.headers()); } // Send the response to the client. future = ctx.writeAndFlush(output); if (close) { // Close the channel after the response is sent. future.addListener(ChannelFutureListener.CLOSE); } } else if (inputStream != null) { // There is an input stream to send as a response. if (CLoverride > -2) { // Content-Length override has been set, send or omit as appropriate if (CLoverride > -1 && CLoverride != DLNAMediaInfo.TRANS_SIZE) { // Since PS3 firmware 2.50, it is wiser not to send an arbitrary Content-Length, // as the PS3 will display a network error and request the last seconds of the // transcoded video. Better to send no Content-Length at all. output.headers().set(HttpHeaders.Names.CONTENT_LENGTH, "" + CLoverride); } } else { int cl = inputStream.available(); LOGGER.trace("Available Content-Length: " + cl); output.headers().set(HttpHeaders.Names.CONTENT_LENGTH, "" + cl); } if (range.isStartOffsetAvailable() && dlna != null) { // Add timeseek information headers. String timeseekValue = StringUtil.convertTimeToString(range.getStartOrZero(), StringUtil.DURATION_TIME_FORMAT); String timetotalValue = dlna.getMedia().getDurationString(); String timeEndValue = range.isEndLimitAvailable() ? StringUtil.convertTimeToString(range.getEnd(), StringUtil.DURATION_TIME_FORMAT) : timetotalValue; output.headers().set("TimeSeekRange.dlna.org", "npt=" + timeseekValue + "-" + timeEndValue + "/" + timetotalValue); output.headers().set("X-Seek-Range", "npt=" + timeseekValue + "-" + timeEndValue + "/" + timetotalValue); } // Send the response headers to the client. future = ctx.write(output); if (lowRange != DLNAMediaInfo.ENDFILE_POS && !method.equals("HEAD")) { // Send the response body to the client in chunks. ChannelFuture chunkWriteFuture = ctx.writeAndFlush(new ChunkedStream(inputStream, BUFFER_SIZE)); // Add a listener to clean up after sending the entire response body. chunkWriteFuture.addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture future) { try { PMS.get().getRegistry().reenableGoToSleep(); inputStream.close(); } catch (IOException e) { LOGGER.debug("Caught exception", e); } // Always close the channel after the response is sent because of // a freeze at the end of video when the channel is not closed. future.channel().close(); startStopListenerDelegate.stop(); } }); } else { // HEAD method is being used, so simply clean up after the response was sent. ctx.flush(); try { PMS.get().getRegistry().reenableGoToSleep(); inputStream.close(); } catch (IOException ioe) { LOGGER.debug("Caught exception", ioe); } if (close) { // Close the channel after the response is sent future.addListener(ChannelFutureListener.CLOSE); } startStopListenerDelegate.stop(); } } else { // No response data and no input stream. Seems we are merely serving up headers. if (lowRange > 0 && highRange > 0) { // FIXME: There is no content, so why set a length? output.headers().set(HttpHeaders.Names.CONTENT_LENGTH, "" + (highRange - lowRange + 1)); } else { output.headers().set(HttpHeaders.Names.CONTENT_LENGTH, "0"); } // Send the response headers to the client. future = ctx.writeAndFlush(output); if (close) { // Close the channel after the response is sent. future.addListener(ChannelFutureListener.CLOSE); } } // Log trace information Iterator<String> it = output.headers().names().iterator(); while (it.hasNext()) { String headerName = it.next(); LOGGER.trace("Sent to socket: " + headerName + ": " + output.headers().get(headerName)); } return future; } /** * Returns a date somewhere in the far future. * @return The {@link String} containing the date */ private String getFUTUREDATE() { sdf.setTimeZone(TimeZone.getTimeZone("GMT")); return sdf.format(new Date(10000000000L + System.currentTimeMillis())); } /** * Returns the string value that is enclosed by the left and right tag in a content string. * Only the first match of each tag is used to determine positions. If either of the tags * cannot be found, null is returned. * @param content The entire {@link String} that needs to be searched for the left and right tag. * @param leftTag The {@link String} determining the match for the left tag. * @param rightTag The {@link String} determining the match for the right tag. * @return The {@link String} that was enclosed by the left and right tag. */ private String getEnclosingValue(String content, String leftTag, String rightTag) { String result = null; int leftTagPos = content.indexOf(leftTag); int leftTagStop = content.indexOf(">", leftTagPos + 1); int rightTagPos = content.indexOf(rightTag, leftTagStop + 1); if (leftTagPos > -1 && rightTagPos > leftTagPos) { result = content.substring(leftTagStop + 1, rightTagPos); } return result; } }