1826 lines
75 KiB
Java
1826 lines
75 KiB
Java
/*
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* DavMail POP/IMAP/SMTP/CalDav/LDAP Exchange Gateway
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* Copyright (C) 2009 Mickael Guessant
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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package davmail.caldav;
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import davmail.AbstractConnection;
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import davmail.BundleMessage;
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import davmail.DavGateway;
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import davmail.Settings;
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import davmail.exception.*;
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import davmail.exchange.ExchangeSession;
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import davmail.exchange.ExchangeSessionFactory;
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import davmail.exchange.ICSBufferedReader;
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import davmail.exchange.XMLStreamUtil;
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import davmail.ui.tray.DavGatewayTray;
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import davmail.util.IOUtil;
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import davmail.util.StringUtil;
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import org.apache.commons.httpclient.HttpException;
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import org.apache.commons.httpclient.HttpStatus;
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import org.apache.commons.httpclient.URI;
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import org.apache.commons.httpclient.URIException;
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import org.apache.commons.httpclient.util.URIUtil;
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import org.apache.log4j.Logger;
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import javax.xml.stream.XMLStreamConstants;
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import javax.xml.stream.XMLStreamException;
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import javax.xml.stream.XMLStreamReader;
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import java.io.*;
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import java.net.Socket;
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import java.net.SocketException;
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import java.net.SocketTimeoutException;
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import java.net.URL;
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import java.text.SimpleDateFormat;
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import java.util.*;
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/**
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* Handle a caldav connection.
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*/
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public class CaldavConnection extends AbstractConnection {
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/**
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* Maximum keep alive time in seconds
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*/
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protected static final int MAX_KEEP_ALIVE_TIME = 300;
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protected final Logger wireLogger = Logger.getLogger(this.getClass());
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protected boolean closed;
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/**
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* custom url encode path set for iCal 5
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*/
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public static final BitSet ical_allowed_abs_path = new BitSet(256);
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static {
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ical_allowed_abs_path.or(URI.allowed_abs_path);
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ical_allowed_abs_path.clear('@');
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}
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static String encodePath(CaldavRequest request, String path) throws URIException {
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if (request.isIcal5()) {
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return URIUtil.encode(path, ical_allowed_abs_path, "UTF-8");
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} else {
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return URIUtil.encodePath(path, "UTF-8");
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}
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}
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/**
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* Initialize the streams and start the thread.
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*
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* @param clientSocket Caldav client socket
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*/
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public CaldavConnection(Socket clientSocket) {
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super(CaldavConnection.class.getSimpleName(), clientSocket, "UTF-8");
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// set caldav logging to davmail logging level
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wireLogger.setLevel(Settings.getLoggingLevel("davmail"));
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}
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protected Map<String, String> parseHeaders() throws IOException {
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HashMap<String, String> headers = new HashMap<String, String>();
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String line;
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while ((line = readClient()) != null && line.length() > 0) {
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int index = line.indexOf(':');
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if (index <= 0) {
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wireLogger.warn("Invalid header: " + line);
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throw new DavMailException("EXCEPTION_INVALID_HEADER");
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}
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headers.put(line.substring(0, index).toLowerCase(), line.substring(index + 1).trim());
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}
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return headers;
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}
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protected String getContent(String contentLength) throws IOException {
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if (contentLength == null || contentLength.length() == 0) {
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return null;
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} else {
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int size;
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try {
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size = Integer.parseInt(contentLength);
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} catch (NumberFormatException e) {
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throw new DavMailException("EXCEPTION_INVALID_CONTENT_LENGTH", contentLength);
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}
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String content = in.readContentAsString(size);
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if (wireLogger.isDebugEnabled()) {
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wireLogger.debug("< " + content);
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}
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return content;
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}
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}
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protected void setSocketTimeout(String keepAliveValue) throws IOException {
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if (keepAliveValue != null && keepAliveValue.length() > 0) {
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int keepAlive;
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try {
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keepAlive = Integer.parseInt(keepAliveValue);
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} catch (NumberFormatException e) {
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throw new DavMailException("EXCEPTION_INVALID_KEEPALIVE", keepAliveValue);
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}
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if (keepAlive > MAX_KEEP_ALIVE_TIME) {
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keepAlive = MAX_KEEP_ALIVE_TIME;
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}
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client.setSoTimeout(keepAlive * 1000);
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DavGatewayTray.debug(new BundleMessage("LOG_SET_SOCKET_TIMEOUT", keepAlive));
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}
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}
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@Override
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public void run() {
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String line;
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StringTokenizer tokens;
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try {
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while (!closed) {
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line = readClient();
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// unable to read line, connection closed ?
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if (line == null) {
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break;
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}
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tokens = new StringTokenizer(line);
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String command = tokens.nextToken();
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Map<String, String> headers = parseHeaders();
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String encodedPath = StringUtil.encodePlusSign(tokens.nextToken());
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String path = URIUtil.decode(encodedPath);
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String content = getContent(headers.get("content-length"));
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setSocketTimeout(headers.get("keep-alive"));
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// client requested connection close
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closed = "close".equals(headers.get("connection"));
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if ("OPTIONS".equals(command)) {
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sendOptions();
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} else if (!headers.containsKey("authorization")) {
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sendUnauthorized();
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} else {
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decodeCredentials(headers.get("authorization"));
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// need to check session on each request, credentials may have changed or session expired
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try {
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session = ExchangeSessionFactory.getInstance(userName, password);
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handleRequest(command, path, headers, content);
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} catch (DavMailAuthenticationException e) {
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if (Settings.getBooleanProperty("davmail.enableKerberos")) {
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// authentication failed in Kerberos mode => not available
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throw new HttpServerErrorException("Kerberos authentication failed");
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} else {
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sendUnauthorized();
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}
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}
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}
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os.flush();
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DavGatewayTray.resetIcon();
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}
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} catch (SocketTimeoutException e) {
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DavGatewayTray.debug(new BundleMessage("LOG_CLOSE_CONNECTION_ON_TIMEOUT"));
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} catch (SocketException e) {
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DavGatewayTray.debug(new BundleMessage("LOG_CONNECTION_CLOSED"));
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} catch (Exception e) {
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if (!(e instanceof HttpNotFoundException)) {
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DavGatewayTray.log(e);
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}
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try {
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sendErr(e);
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} catch (IOException e2) {
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DavGatewayTray.debug(new BundleMessage("LOG_EXCEPTION_SENDING_ERROR_TO_CLIENT"), e2);
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}
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} finally {
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close();
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}
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DavGatewayTray.resetIcon();
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}
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/**
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* Handle caldav request.
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*
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* @param command Http command
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* @param path request path
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* @param headers Http headers map
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* @param body request body
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* @throws IOException on error
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*/
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public void handleRequest(String command, String path, Map<String, String> headers, String body) throws IOException {
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CaldavRequest request = new CaldavRequest(command, path, headers, body);
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if (request.isOptions()) {
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sendOptions();
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} else if (request.isPropFind() && request.isRoot()) {
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sendRoot(request);
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} else if (request.isGet() && request.isRoot()) {
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sendGetRoot();
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} else if (request.isPath(1, "principals")) {
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handlePrincipals(request);
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} else if (request.isPath(1, "users")) {
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if (request.isPropFind() && request.isPathLength(3)) {
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sendUserRoot(request);
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} else {
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handleFolderOrItem(request);
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}
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} else if (request.isPath(1, "public")) {
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handleFolderOrItem(request);
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} else if (request.isPath(1, "directory")) {
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sendDirectory(request);
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} else if (request.isPath(1, ".well-known")) {
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sendWellKnown();
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} else {
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sendUnsupported(request);
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}
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}
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protected void handlePrincipals(CaldavRequest request) throws IOException {
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if (request.isPath(2, "users")) {
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if (request.isPropFind() && request.isPathLength(4)) {
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sendPrincipal(request, "users", URIUtil.decode(request.getPathElement(3)));
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// send back principal on search
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} else if (request.isReport() && request.isPathLength(3)) {
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sendPrincipal(request, "users", session.getEmail());
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// iCal current-user-principal request
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} else if (request.isPropFind() && request.isPathLength(3)) {
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sendPrincipalsFolder(request);
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} else {
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sendUnsupported(request);
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}
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} else if (request.isPath(2, "public")) {
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StringBuilder prefixBuffer = new StringBuilder("public");
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for (int i = 3; i < request.getPathLength() - 1; i++) {
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prefixBuffer.append('/').append(request.getPathElement(i));
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}
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sendPrincipal(request, URIUtil.decode(prefixBuffer.toString()), URIUtil.decode(request.getLastPath()));
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} else {
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sendUnsupported(request);
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}
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}
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protected void handleFolderOrItem(CaldavRequest request) throws IOException {
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String lastPath = StringUtil.xmlDecode(request.getLastPath());
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// folder requests
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if (request.isPropFind() && "inbox".equals(lastPath)) {
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sendInbox(request);
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} else if (request.isPropFind() && "outbox".equals(lastPath)) {
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sendOutbox(request);
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} else if (request.isPost() && "outbox".equals(lastPath)) {
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if (request.isFreeBusy()) {
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sendFreeBusy(request.getBody());
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} else {
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int status = session.sendEvent(request.getBody());
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// TODO: implement Itip response body
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sendHttpResponse(status);
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}
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} else if (request.isPropFind()) {
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sendFolderOrItem(request);
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} else if (request.isPropPatch()) {
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patchCalendar(request);
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} else if (request.isReport()) {
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reportItems(request);
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// event requests
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} else if (request.isPut()) {
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String etag = request.getHeader("if-match");
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String noneMatch = request.getHeader("if-none-match");
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ExchangeSession.ItemResult itemResult = session.createOrUpdateItem(request.getFolderPath(), lastPath, request.getBody(), etag, noneMatch);
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sendHttpResponse(itemResult.status, buildEtagHeader(itemResult.etag), null, "", true);
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} else if (request.isDelete()) {
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if (request.getFolderPath().endsWith("inbox")) {
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session.processItem(request.getFolderPath(), lastPath);
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} else {
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session.deleteItem(request.getFolderPath(), lastPath);
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}
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sendHttpResponse(HttpStatus.SC_OK);
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} else if (request.isGet()) {
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if (request.path.endsWith("/")) {
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// GET request on a folder => build ics content of all folder events
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String folderPath = request.getFolderPath();
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ExchangeSession.Folder folder = session.getFolder(folderPath);
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if (folder.isContact()) {
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List<ExchangeSession.Contact> contacts = session.getAllContacts(folderPath);
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ChunkedResponse response = new ChunkedResponse(HttpStatus.SC_OK, "text/vcard;charset=UTF-8");
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for (ExchangeSession.Contact contact : contacts) {
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String contactBody = contact.getBody();
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if (contactBody != null) {
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response.append(contactBody);
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response.append("\n");
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}
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}
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response.close();
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} else if (folder.isCalendar() || folder.isTask()) {
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List<ExchangeSession.Event> events = session.getAllEvents(folderPath);
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ChunkedResponse response = new ChunkedResponse(HttpStatus.SC_OK, "text/calendar;charset=UTF-8");
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response.append("BEGIN:VCALENDAR\r\n");
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response.append("VERSION:2.0\r\n");
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response.append("PRODID:-//davmail.sf.net/NONSGML DavMail Calendar V1.1//EN\r\n");
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response.append("METHOD:PUBLISH\r\n");
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for (ExchangeSession.Event event : events) {
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String icsContent = StringUtil.getToken(event.getBody(), "BEGIN:VTIMEZONE", "END:VCALENDAR");
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if (icsContent != null) {
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response.append("BEGIN:VTIMEZONE");
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response.append(icsContent);
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} else {
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icsContent = StringUtil.getToken(event.getBody(), "BEGIN:VEVENT", "END:VCALENDAR");
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if (icsContent != null) {
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response.append("BEGIN:VEVENT");
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response.append(icsContent);
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}
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}
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}
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response.append("END:VCALENDAR");
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response.close();
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} else {
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sendHttpResponse(HttpStatus.SC_OK, buildEtagHeader(folder.etag), "text/html", (byte[]) null, true);
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}
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} else {
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ExchangeSession.Item item = session.getItem(request.getFolderPath(), lastPath);
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sendHttpResponse(HttpStatus.SC_OK, buildEtagHeader(item.getEtag()), item.getContentType(), item.getBody(), true);
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}
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} else if (request.isHead()) {
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// test event
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ExchangeSession.Item item = session.getItem(request.getFolderPath(), lastPath);
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sendHttpResponse(HttpStatus.SC_OK, buildEtagHeader(item.getEtag()), item.getContentType(), (byte[]) null, true);
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} else if (request.isMkCalendar()) {
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HashMap<String, String> properties = new HashMap<String, String>();
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//properties.put("displayname", request.getProperty("displayname"));
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int status = session.createCalendarFolder(request.getFolderPath(), properties);
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sendHttpResponse(status, null);
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} else if (request.isMove()) {
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String destinationUrl = request.getHeader("destination");
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session.moveItem(request.path, URIUtil.decode(new URL(destinationUrl).getPath()));
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sendHttpResponse(HttpStatus.SC_CREATED, null);
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} else {
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sendUnsupported(request);
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}
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}
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protected HashMap<String, String> buildEtagHeader(String etag) {
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if (etag != null) {
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HashMap<String, String> etagHeader = new HashMap<String, String>();
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etagHeader.put("ETag", etag);
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return etagHeader;
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} else {
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return null;
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}
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}
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private void appendContactsResponses(CaldavResponse response, CaldavRequest request, List<ExchangeSession.Contact> contacts) throws IOException {
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int size = contacts.size();
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int count = 0;
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for (ExchangeSession.Contact contact : contacts) {
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DavGatewayTray.debug(new BundleMessage("LOG_LISTING_ITEM", ++count, size));
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DavGatewayTray.switchIcon();
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appendItemResponse(response, request, contact);
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}
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}
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protected void appendEventsResponses(CaldavResponse response, CaldavRequest request, List<ExchangeSession.Event> events) throws IOException {
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int size = events.size();
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int count = 0;
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for (ExchangeSession.Event event : events) {
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DavGatewayTray.debug(new BundleMessage("LOG_LISTING_ITEM", ++count, size));
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DavGatewayTray.switchIcon();
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appendItemResponse(response, request, event);
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}
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}
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protected void appendItemResponse(CaldavResponse response, CaldavRequest request, ExchangeSession.Item item) throws IOException {
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StringBuilder eventPath = new StringBuilder();
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eventPath.append(encodePath(request, request.getPath()));
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if (!(eventPath.charAt(eventPath.length() - 1) == '/')) {
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eventPath.append('/');
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}
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String itemName = StringUtil.xmlEncode(item.getName());
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eventPath.append(URIUtil.encodeWithinQuery(itemName));
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response.startResponse(eventPath.toString());
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response.startPropstat();
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if (request.hasProperty("calendar-data") && item instanceof ExchangeSession.Event) {
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response.appendCalendarData(item.getBody());
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}
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if (request.hasProperty("address-data") && item instanceof ExchangeSession.Contact) {
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response.appendContactData(item.getBody());
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}
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if (request.hasProperty("getcontenttype")) {
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if (item instanceof ExchangeSession.Event) {
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response.appendProperty("D:getcontenttype", "text/calendar; component=vevent");
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} else if (item instanceof ExchangeSession.Contact) {
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response.appendProperty("D:getcontenttype", "text/vcard");
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}
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}
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if (request.hasProperty("getetag")) {
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response.appendProperty("D:getetag", item.getEtag());
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}
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if (request.hasProperty("resourcetype")) {
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response.appendProperty("D:resourcetype");
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}
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if (request.hasProperty("displayname")) {
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response.appendProperty("D:displayname", itemName);
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}
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response.endPropStatOK();
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response.endResponse();
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}
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/**
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* Append folder object to Caldav response.
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*
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* @param response Caldav response
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* @param request Caldav request
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* @param folder folder object
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* @param subFolder calendar folder path relative to request path
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* @throws IOException on error
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*/
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public void appendFolderOrItem(CaldavResponse response, CaldavRequest request, ExchangeSession.Folder folder, String subFolder) throws IOException {
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response.startResponse(encodePath(request, request.getPath(subFolder)));
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response.startPropstat();
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if (request.hasProperty("resourcetype")) {
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if (folder.isContact()) {
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response.appendProperty("D:resourcetype", "<D:collection/>" +
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"<E:addressbook/>");
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} else if (folder.isCalendar() || folder.isTask()) {
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response.appendProperty("D:resourcetype", "<D:collection/>" + "<C:calendar/>");
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} else {
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response.appendProperty("D:resourcetype", "<D:collection/>");
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}
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}
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if (request.hasProperty("owner")) {
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if ("users".equals(request.getPathElement(1))) {
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response.appendHrefProperty("D:owner", "/principals/users/" + request.getPathElement(2));
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} else {
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response.appendHrefProperty("D:owner", "/principals" + request.getPath());
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}
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}
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if (request.hasProperty("getcontenttype")) {
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if (folder.isContact()) {
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response.appendProperty("D:getcontenttype", "text/x-vcard");
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} else if (folder.isCalendar()) {
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response.appendProperty("D:getcontenttype", "text/calendar; component=vevent");
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} else if (folder.isTask()) {
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response.appendProperty("D:getcontenttype", "text/calendar; component=vtodo");
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}
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}
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if (request.hasProperty("getetag")) {
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response.appendProperty("D:getetag", folder.etag);
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}
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if (request.hasProperty("getctag")) {
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response.appendProperty("CS:getctag", "CS=\"http://calendarserver.org/ns/\"",
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IOUtil.encodeBase64AsString(folder.ctag));
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}
|
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if (request.hasProperty("displayname")) {
|
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if (subFolder == null || subFolder.length() == 0) {
|
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// use i18n calendar name as display name
|
|
String displayname = request.getLastPath();
|
|
if ("calendar".equals(displayname)) {
|
|
displayname = folder.displayName;
|
|
}
|
|
response.appendProperty("D:displayname", displayname);
|
|
} else {
|
|
response.appendProperty("D:displayname", subFolder);
|
|
}
|
|
}
|
|
if (request.hasProperty("calendar-description")) {
|
|
response.appendProperty("C:calendar-description", "");
|
|
}
|
|
if (request.hasProperty("supported-calendar-component-set")) {
|
|
if (folder.isCalendar()) {
|
|
response.appendProperty("C:supported-calendar-component-set", "<C:comp name=\"VEVENT\"/><C:comp name=\"VTODO\"/>");
|
|
} else if (folder.isTask()) {
|
|
response.appendProperty("C:supported-calendar-component-set", "<C:comp name=\"VTODO\"/>");
|
|
}
|
|
}
|
|
|
|
if (request.hasProperty("current-user-privilege-set")) {
|
|
response.appendProperty("D:current-user-privilege-set", "<D:privilege><D:read/><D:write/></D:privilege>");
|
|
}
|
|
|
|
response.endPropStatOK();
|
|
response.endResponse();
|
|
}
|
|
|
|
/**
|
|
* Append calendar inbox object to Caldav response.
|
|
*
|
|
* @param response Caldav response
|
|
* @param request Caldav request
|
|
* @param subFolder inbox folder path relative to request path
|
|
* @throws IOException on error
|
|
*/
|
|
public void appendInbox(CaldavResponse response, CaldavRequest request, String subFolder) throws IOException {
|
|
String ctag = "0";
|
|
String etag = "0";
|
|
String folderPath = request.getFolderPath(subFolder);
|
|
// do not try to access inbox on shared calendar
|
|
if (!session.isSharedFolder(folderPath)) {
|
|
try {
|
|
ExchangeSession.Folder folder = session.getFolder(folderPath);
|
|
ctag = IOUtil.encodeBase64AsString(folder.ctag);
|
|
etag = IOUtil.encodeBase64AsString(folder.etag);
|
|
} catch (HttpException e) {
|
|
// unauthorized access, probably an inbox on shared calendar
|
|
DavGatewayTray.debug(new BundleMessage("LOG_ACCESS_FORBIDDEN", folderPath, e.getMessage()));
|
|
}
|
|
}
|
|
response.startResponse(encodePath(request, request.getPath(subFolder)));
|
|
response.startPropstat();
|
|
|
|
if (request.hasProperty("resourcetype")) {
|
|
response.appendProperty("D:resourcetype", "<D:collection/>" +
|
|
"<C:schedule-inbox xmlns:C=\"urn:ietf:params:xml:ns:caldav\"/>");
|
|
}
|
|
if (request.hasProperty("getcontenttype")) {
|
|
response.appendProperty("D:getcontenttype", "text/calendar; component=vevent");
|
|
}
|
|
if (request.hasProperty("getctag")) {
|
|
response.appendProperty("CS:getctag", "CS=\"http://calendarserver.org/ns/\"", ctag);
|
|
}
|
|
if (request.hasProperty("getetag")) {
|
|
response.appendProperty("D:getetag", etag);
|
|
}
|
|
if (request.hasProperty("displayname")) {
|
|
response.appendProperty("D:displayname", "inbox");
|
|
}
|
|
response.endPropStatOK();
|
|
response.endResponse();
|
|
}
|
|
|
|
/**
|
|
* Append calendar outbox object to Caldav response.
|
|
*
|
|
* @param response Caldav response
|
|
* @param request Caldav request
|
|
* @param subFolder outbox folder path relative to request path
|
|
* @throws IOException on error
|
|
*/
|
|
public void appendOutbox(CaldavResponse response, CaldavRequest request, String subFolder) throws IOException {
|
|
response.startResponse(encodePath(request, request.getPath(subFolder)));
|
|
response.startPropstat();
|
|
|
|
if (request.hasProperty("resourcetype")) {
|
|
response.appendProperty("D:resourcetype", "<D:collection/>" +
|
|
"<C:schedule-outbox xmlns:C=\"urn:ietf:params:xml:ns:caldav\"/>");
|
|
}
|
|
if (request.hasProperty("getctag")) {
|
|
response.appendProperty("CS:getctag", "CS=\"http://calendarserver.org/ns/\"",
|
|
"0");
|
|
}
|
|
if (request.hasProperty("getetag")) {
|
|
response.appendProperty("D:getetag", "0");
|
|
}
|
|
if (request.hasProperty("displayname")) {
|
|
response.appendProperty("D:displayname", "outbox");
|
|
}
|
|
response.endPropStatOK();
|
|
response.endResponse();
|
|
}
|
|
|
|
/**
|
|
* Send simple html response to GET /.
|
|
*
|
|
* @throws IOException on error
|
|
*/
|
|
public void sendGetRoot() throws IOException {
|
|
StringBuilder buffer = new StringBuilder();
|
|
buffer.append("Connected to DavMail<br/>");
|
|
buffer.append("UserName :").append(userName).append("<br/>");
|
|
buffer.append("Email :").append(session.getEmail()).append("<br/>");
|
|
sendHttpResponse(HttpStatus.SC_OK, null, "text/html;charset=UTF-8", buffer.toString(), true);
|
|
}
|
|
|
|
/**
|
|
* Send inbox response for request.
|
|
*
|
|
* @param request Caldav request
|
|
* @throws IOException on error
|
|
*/
|
|
public void sendInbox(CaldavRequest request) throws IOException {
|
|
CaldavResponse response = new CaldavResponse(HttpStatus.SC_MULTI_STATUS);
|
|
response.startMultistatus();
|
|
appendInbox(response, request, null);
|
|
// do not try to access inbox on shared calendar
|
|
if (!session.isSharedFolder(request.getFolderPath(null)) && request.getDepth() == 1
|
|
&& !request.isLightning()) {
|
|
try {
|
|
DavGatewayTray.debug(new BundleMessage("LOG_SEARCHING_CALENDAR_MESSAGES"));
|
|
List<ExchangeSession.Event> events = session.getEventMessages(request.getFolderPath());
|
|
DavGatewayTray.debug(new BundleMessage("LOG_FOUND_CALENDAR_MESSAGES", events.size()));
|
|
appendEventsResponses(response, request, events);
|
|
} catch (HttpException e) {
|
|
// unauthorized access, probably an inbox on shared calendar
|
|
DavGatewayTray.debug(new BundleMessage("LOG_ACCESS_FORBIDDEN", request.getFolderPath(), e.getMessage()));
|
|
}
|
|
}
|
|
response.endMultistatus();
|
|
response.close();
|
|
}
|
|
|
|
/**
|
|
* Send outbox response for request.
|
|
*
|
|
* @param request Caldav request
|
|
* @throws IOException on error
|
|
*/
|
|
public void sendOutbox(CaldavRequest request) throws IOException {
|
|
CaldavResponse response = new CaldavResponse(HttpStatus.SC_MULTI_STATUS);
|
|
response.startMultistatus();
|
|
appendOutbox(response, request, null);
|
|
response.endMultistatus();
|
|
response.close();
|
|
}
|
|
|
|
/**
|
|
* Send calendar response for request.
|
|
*
|
|
* @param request Caldav request
|
|
* @throws IOException on error
|
|
*/
|
|
public void sendFolderOrItem(CaldavRequest request) throws IOException {
|
|
String folderPath = request.getFolderPath();
|
|
// process request before sending response to avoid sending headers twice on error
|
|
ExchangeSession.Folder folder = session.getFolder(folderPath);
|
|
List<ExchangeSession.Contact> contacts = null;
|
|
List<ExchangeSession.Event> events = null;
|
|
List<ExchangeSession.Folder> folderList = null;
|
|
if (request.getDepth() == 1) {
|
|
if (folder.isContact()) {
|
|
contacts = session.getAllContacts(folderPath);
|
|
} else if (folder.isCalendar() || folder.isTask()) {
|
|
events = session.getAllEvents(folderPath);
|
|
if (!folderPath.startsWith("/public")) {
|
|
folderList = session.getSubCalendarFolders(folderPath, false);
|
|
}
|
|
}
|
|
}
|
|
|
|
CaldavResponse response = new CaldavResponse(HttpStatus.SC_MULTI_STATUS);
|
|
response.startMultistatus();
|
|
appendFolderOrItem(response, request, folder, null);
|
|
if (request.getDepth() == 1) {
|
|
if (folder.isContact()) {
|
|
appendContactsResponses(response, request, contacts);
|
|
} else if (folder.isCalendar() || folder.isTask()) {
|
|
appendEventsResponses(response, request, events);
|
|
// Send sub folders for multi-calendar support under iCal, except for public folders
|
|
if (folderList != null) {
|
|
for (ExchangeSession.Folder subFolder : folderList) {
|
|
appendFolderOrItem(response, request, subFolder, subFolder.folderPath.substring(subFolder.folderPath.indexOf('/') + 1));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
response.endMultistatus();
|
|
response.close();
|
|
}
|
|
|
|
/**
|
|
* Fake PROPPATCH response for request.
|
|
*
|
|
* @param request Caldav request
|
|
* @throws IOException on error
|
|
*/
|
|
public void patchCalendar(CaldavRequest request) throws IOException {
|
|
String displayname = request.getProperty("displayname");
|
|
String folderPath = request.getFolderPath();
|
|
if (displayname != null) {
|
|
String targetPath = request.getParentFolderPath() + '/' + displayname;
|
|
if (!targetPath.equals(folderPath)) {
|
|
session.moveFolder(folderPath, targetPath);
|
|
}
|
|
}
|
|
CaldavResponse response = new CaldavResponse(HttpStatus.SC_MULTI_STATUS);
|
|
response.startMultistatus();
|
|
// ical calendar folder proppatch
|
|
if (request.hasProperty("calendar-color") || request.hasProperty("calendar-order")) {
|
|
response.startPropstat();
|
|
if (request.hasProperty("calendar-color")) {
|
|
response.appendProperty("x1:calendar-color", "x1=\"http://apple.com/ns/ical/\"", null);
|
|
}
|
|
if (request.hasProperty("calendar-order")) {
|
|
response.appendProperty("x1:calendar-order", "x1=\"http://apple.com/ns/ical/\"", null);
|
|
}
|
|
response.endPropStatOK();
|
|
}
|
|
response.endMultistatus();
|
|
response.close();
|
|
}
|
|
|
|
protected String getEventFileNameFromPath(String path) {
|
|
int index = path.lastIndexOf('/');
|
|
if (index < 0) {
|
|
return null;
|
|
} else {
|
|
return StringUtil.xmlDecode(path.substring(index + 1));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Report items listed in request.
|
|
*
|
|
* @param request Caldav request
|
|
* @throws IOException on error
|
|
*/
|
|
public void reportItems(CaldavRequest request) throws IOException {
|
|
String folderPath = request.getFolderPath();
|
|
List<ExchangeSession.Event> events;
|
|
List<String> notFound = new ArrayList<String>();
|
|
|
|
CaldavResponse response = new CaldavResponse(HttpStatus.SC_MULTI_STATUS);
|
|
response.startMultistatus();
|
|
if (request.isMultiGet()) {
|
|
int count = 0;
|
|
int total = request.getHrefs().size();
|
|
for (String href : request.getHrefs()) {
|
|
DavGatewayTray.debug(new BundleMessage("LOG_REPORT_ITEM", ++count, total));
|
|
DavGatewayTray.switchIcon();
|
|
String eventName = getEventFileNameFromPath(href);
|
|
try {
|
|
// ignore cases for Sunbird
|
|
if (eventName != null && eventName.length() > 0
|
|
&& !"inbox".equals(eventName) && !"calendar".equals(eventName)) {
|
|
ExchangeSession.Item item;
|
|
try {
|
|
item = session.getItem(folderPath, eventName);
|
|
} catch (HttpNotFoundException e) {
|
|
// workaround for Lightning bug
|
|
if (request.isBrokenLightning() && eventName.indexOf('%') >= 0) {
|
|
item = session.getItem(folderPath, URIUtil.decode(StringUtil.encodePlusSign(eventName)));
|
|
} else {
|
|
throw e;
|
|
}
|
|
|
|
}
|
|
appendItemResponse(response, request, item);
|
|
}
|
|
} catch (SocketException e) {
|
|
// rethrow SocketException (client closed connection)
|
|
throw e;
|
|
} catch (Exception e) {
|
|
wireLogger.debug(e.getMessage(), e);
|
|
DavGatewayTray.warn(new BundleMessage("LOG_ITEM_NOT_AVAILABLE", eventName, href));
|
|
notFound.add(href);
|
|
}
|
|
}
|
|
} else if (request.isPath(1, "users") && request.isPath(3, "inbox")) {
|
|
events = session.getEventMessages(request.getFolderPath());
|
|
appendEventsResponses(response, request, events);
|
|
} else {
|
|
ExchangeSession.Folder folder = session.getFolder(folderPath);
|
|
if (folder.isContact()) {
|
|
List<ExchangeSession.Contact> contacts = session.getAllContacts(folderPath);
|
|
appendContactsResponses(response, request, contacts);
|
|
} else {
|
|
if (request.vTodoOnly) {
|
|
events = session.searchTasksOnly(request.getFolderPath());
|
|
} else if (request.vEventOnly) {
|
|
events = session.searchEventsOnly(request.getFolderPath(), request.timeRangeStart, request.timeRangeEnd);
|
|
} else {
|
|
events = session.searchEvents(request.getFolderPath(), request.timeRangeStart, request.timeRangeEnd);
|
|
}
|
|
appendEventsResponses(response, request, events);
|
|
}
|
|
}
|
|
|
|
// send not found events errors
|
|
for (String href : notFound) {
|
|
response.startResponse(encodePath(request, href));
|
|
response.appendPropstatNotFound();
|
|
response.endResponse();
|
|
}
|
|
response.endMultistatus();
|
|
response.close();
|
|
}
|
|
|
|
/**
|
|
* Send principals folder.
|
|
*
|
|
* @param request Caldav request
|
|
* @throws IOException on error
|
|
*/
|
|
public void sendPrincipalsFolder(CaldavRequest request) throws IOException {
|
|
CaldavResponse response = new CaldavResponse(HttpStatus.SC_MULTI_STATUS);
|
|
response.startMultistatus();
|
|
response.startResponse(encodePath(request, request.getPath()));
|
|
response.startPropstat();
|
|
|
|
if (request.hasProperty("current-user-principal")) {
|
|
response.appendHrefProperty("D:current-user-principal", encodePath(request, "/principals/users/" + session.getEmail()));
|
|
}
|
|
response.endPropStatOK();
|
|
response.endResponse();
|
|
response.endMultistatus();
|
|
response.close();
|
|
}
|
|
|
|
/**
|
|
* Send user response for request.
|
|
*
|
|
* @param request Caldav request
|
|
* @throws IOException on error
|
|
*/
|
|
public void sendUserRoot(CaldavRequest request) throws IOException {
|
|
CaldavResponse response = new CaldavResponse(HttpStatus.SC_MULTI_STATUS);
|
|
response.startMultistatus();
|
|
response.startResponse(encodePath(request, request.getPath()));
|
|
response.startPropstat();
|
|
|
|
if (request.hasProperty("resourcetype")) {
|
|
response.appendProperty("D:resourcetype", "<D:collection/>");
|
|
}
|
|
if (request.hasProperty("displayname")) {
|
|
response.appendProperty("D:displayname", request.getLastPath());
|
|
}
|
|
if (request.hasProperty("getctag")) {
|
|
ExchangeSession.Folder rootFolder = session.getFolder("");
|
|
response.appendProperty("CS:getctag", "CS=\"http://calendarserver.org/ns/\"",
|
|
IOUtil.encodeBase64AsString(rootFolder.ctag));
|
|
}
|
|
response.endPropStatOK();
|
|
if (request.getDepth() == 1) {
|
|
appendInbox(response, request, "inbox");
|
|
appendOutbox(response, request, "outbox");
|
|
appendFolderOrItem(response, request, session.getFolder(request.getFolderPath("calendar")), "calendar");
|
|
appendFolderOrItem(response, request, session.getFolder(request.getFolderPath("contacts")), "contacts");
|
|
}
|
|
response.endResponse();
|
|
response.endMultistatus();
|
|
response.close();
|
|
}
|
|
|
|
/**
|
|
* Send caldav response for / request.
|
|
*
|
|
* @param request Caldav request
|
|
* @throws IOException on error
|
|
*/
|
|
public void sendRoot(CaldavRequest request) throws IOException {
|
|
CaldavResponse response = new CaldavResponse(HttpStatus.SC_MULTI_STATUS);
|
|
response.startMultistatus();
|
|
response.startResponse("/");
|
|
response.startPropstat();
|
|
|
|
if (request.hasProperty("principal-collection-set")) {
|
|
response.appendHrefProperty("D:principal-collection-set", "/principals/users/");
|
|
}
|
|
if (request.hasProperty("displayname")) {
|
|
response.appendProperty("D:displayname", "ROOT");
|
|
}
|
|
if (request.hasProperty("resourcetype")) {
|
|
response.appendProperty("D:resourcetype", "<D:collection/>");
|
|
}
|
|
if (request.hasProperty("current-user-principal")) {
|
|
response.appendHrefProperty("D:current-user-principal", encodePath(request, "/principals/users/" + session.getEmail()));
|
|
}
|
|
response.endPropStatOK();
|
|
response.endResponse();
|
|
if (request.depth == 1) {
|
|
// iPhone workaround: send calendar subfolder
|
|
response.startResponse("/users/" + session.getEmail() + "/calendar");
|
|
response.startPropstat();
|
|
if (request.hasProperty("resourcetype")) {
|
|
response.appendProperty("D:resourcetype", "<D:collection/>" +
|
|
"<C:calendar xmlns:C=\"urn:ietf:params:xml:ns:caldav\"/>");
|
|
}
|
|
if (request.hasProperty("displayname")) {
|
|
response.appendProperty("D:displayname", session.getEmail());
|
|
}
|
|
if (request.hasProperty("supported-calendar-component-set")) {
|
|
response.appendProperty("C:supported-calendar-component-set", "<C:comp name=\"VEVENT\"/>");
|
|
}
|
|
response.endPropStatOK();
|
|
response.endResponse();
|
|
|
|
response.startResponse("/users");
|
|
response.startPropstat();
|
|
if (request.hasProperty("displayname")) {
|
|
response.appendProperty("D:displayname", "users");
|
|
}
|
|
if (request.hasProperty("resourcetype")) {
|
|
response.appendProperty("D:resourcetype", "<D:collection/>");
|
|
}
|
|
response.endPropStatOK();
|
|
response.endResponse();
|
|
|
|
response.startResponse("/principals");
|
|
response.startPropstat();
|
|
if (request.hasProperty("displayname")) {
|
|
response.appendProperty("D:displayname", "principals");
|
|
}
|
|
if (request.hasProperty("resourcetype")) {
|
|
response.appendProperty("D:resourcetype", "<D:collection/>");
|
|
}
|
|
response.endPropStatOK();
|
|
response.endResponse();
|
|
}
|
|
response.endMultistatus();
|
|
response.close();
|
|
}
|
|
|
|
/**
|
|
* Send caldav response for /directory/ request.
|
|
*
|
|
* @param request Caldav request
|
|
* @throws IOException on error
|
|
*/
|
|
public void sendDirectory(CaldavRequest request) throws IOException {
|
|
CaldavResponse response = new CaldavResponse(HttpStatus.SC_MULTI_STATUS);
|
|
response.startMultistatus();
|
|
response.startResponse("/directory/");
|
|
response.startPropstat();
|
|
if (request.hasProperty("current-user-privilege-set")) {
|
|
response.appendProperty("D:current-user-privilege-set", "<D:privilege><D:read/></D:privilege>");
|
|
}
|
|
response.endPropStatOK();
|
|
response.endResponse();
|
|
response.endMultistatus();
|
|
response.close();
|
|
}
|
|
|
|
/**
|
|
* Send caldav response for /.well-known/ request.
|
|
*
|
|
* @throws IOException on error
|
|
*/
|
|
public void sendWellKnown() throws IOException {
|
|
HashMap<String, String> headers = new HashMap<String, String>();
|
|
headers.put("Location", "/");
|
|
sendHttpResponse(HttpStatus.SC_MOVED_PERMANENTLY, headers);
|
|
}
|
|
|
|
/**
|
|
* Send Caldav principal response.
|
|
*
|
|
* @param request Caldav request
|
|
* @param prefix principal prefix (users or public)
|
|
* @param principal principal name (email address for users)
|
|
* @throws IOException on error
|
|
*/
|
|
public void sendPrincipal(CaldavRequest request, String prefix, String principal) throws IOException {
|
|
// actual principal is email address
|
|
String actualPrincipal = principal;
|
|
if ("users".equals(prefix) &&
|
|
(principal.equalsIgnoreCase(session.getAlias()) || (principal.equalsIgnoreCase(session.getAliasFromLogin())))) {
|
|
actualPrincipal = session.getEmail();
|
|
}
|
|
|
|
CaldavResponse response = new CaldavResponse(HttpStatus.SC_MULTI_STATUS);
|
|
response.startMultistatus();
|
|
response.startResponse(encodePath(request, "/principals/" + prefix + '/' + principal));
|
|
response.startPropstat();
|
|
|
|
if (request.hasProperty("principal-URL") && request.isIcal5()) {
|
|
response.appendHrefProperty("D:principal-URL", encodePath(request, "/principals/" + prefix + '/' + actualPrincipal));
|
|
}
|
|
|
|
|
|
if (request.hasProperty("calendar-home-set")) {
|
|
if ("users".equals(prefix)) {
|
|
response.appendHrefProperty("C:calendar-home-set", encodePath(request, "/users/" + actualPrincipal + "/calendar/"));
|
|
} else {
|
|
response.appendHrefProperty("C:calendar-home-set", encodePath(request, '/' + prefix + '/' + actualPrincipal));
|
|
}
|
|
}
|
|
|
|
if (request.hasProperty("calendar-user-address-set") && "users".equals(prefix)) {
|
|
response.appendHrefProperty("C:calendar-user-address-set", "mailto:" + actualPrincipal);
|
|
}
|
|
|
|
if (request.hasProperty("addressbook-home-set")) {
|
|
if (request.isUserAgent("Address%20Book") || request.isUserAgent("Darwin")) {
|
|
response.appendHrefProperty("E:addressbook-home-set", encodePath(request, '/' + prefix + '/' + actualPrincipal + '/'));
|
|
} else if ("users".equals(prefix)) {
|
|
response.appendHrefProperty("E:addressbook-home-set", encodePath(request, "/users/" + actualPrincipal + "/contacts/"));
|
|
} else {
|
|
response.appendHrefProperty("E:addressbook-home-set", encodePath(request, '/' + prefix + '/' + actualPrincipal + '/'));
|
|
}
|
|
}
|
|
|
|
if ("users".equals(prefix)) {
|
|
if (request.hasProperty("schedule-inbox-URL")) {
|
|
response.appendHrefProperty("C:schedule-inbox-URL", encodePath(request, "/users/" + actualPrincipal + "/inbox/"));
|
|
}
|
|
|
|
if (request.hasProperty("schedule-outbox-URL")) {
|
|
response.appendHrefProperty("C:schedule-outbox-URL", encodePath(request, "/users/" + actualPrincipal + "/outbox/"));
|
|
}
|
|
} else {
|
|
// public calendar, send root href as inbox url (always empty) for Lightning
|
|
if (request.isLightning() && request.hasProperty("schedule-inbox-URL")) {
|
|
response.appendHrefProperty("C:schedule-inbox-URL", "/");
|
|
}
|
|
// send user outbox
|
|
if (request.hasProperty("schedule-outbox-URL")) {
|
|
response.appendHrefProperty("C:schedule-outbox-URL", encodePath(request, "/users/" + session.getEmail() + "/outbox/"));
|
|
}
|
|
}
|
|
|
|
if (request.hasProperty("displayname")) {
|
|
response.appendProperty("D:displayname", actualPrincipal);
|
|
}
|
|
if (request.hasProperty("resourcetype")) {
|
|
response.appendProperty("D:resourcetype", "<D:collection/><D:principal/>");
|
|
}
|
|
if (request.hasProperty("supported-report-set")) {
|
|
response.appendProperty("D:supported-report-set", "<D:supported-report><D:report><C:calendar-multiget/></D:report></D:supported-report>");
|
|
}
|
|
response.endPropStatOK();
|
|
response.endResponse();
|
|
response.endMultistatus();
|
|
response.close();
|
|
}
|
|
|
|
/**
|
|
* Send free busy response for body request.
|
|
*
|
|
* @param body request body
|
|
* @throws IOException on error
|
|
*/
|
|
public void sendFreeBusy(String body) throws IOException {
|
|
HashMap<String, String> valueMap = new HashMap<String, String>();
|
|
ArrayList<String> attendees = new ArrayList<String>();
|
|
HashMap<String, String> attendeeKeyMap = new HashMap<String, String>();
|
|
ICSBufferedReader reader = new ICSBufferedReader(new StringReader(body));
|
|
String line;
|
|
String key;
|
|
while ((line = reader.readLine()) != null) {
|
|
int index = line.indexOf(':');
|
|
if (index <= 0) {
|
|
throw new DavMailException("EXCEPTION_INVALID_REQUEST", body);
|
|
}
|
|
String fullkey = line.substring(0, index);
|
|
String value = line.substring(index + 1);
|
|
int semicolonIndex = fullkey.indexOf(';');
|
|
if (semicolonIndex > 0) {
|
|
key = fullkey.substring(0, semicolonIndex);
|
|
} else {
|
|
key = fullkey;
|
|
}
|
|
if ("ATTENDEE".equals(key)) {
|
|
attendees.add(value);
|
|
attendeeKeyMap.put(value, fullkey);
|
|
} else {
|
|
valueMap.put(key, value);
|
|
}
|
|
}
|
|
// get freebusy for each attendee
|
|
HashMap<String, ExchangeSession.FreeBusy> freeBusyMap = new HashMap<String, ExchangeSession.FreeBusy>();
|
|
for (String attendee : attendees) {
|
|
ExchangeSession.FreeBusy freeBusy = session.getFreebusy(attendee, valueMap.get("DTSTART"), valueMap.get("DTEND"));
|
|
if (freeBusy != null) {
|
|
freeBusyMap.put(attendee, freeBusy);
|
|
}
|
|
}
|
|
CaldavResponse response = new CaldavResponse(HttpStatus.SC_OK);
|
|
response.startScheduleResponse();
|
|
|
|
for (Map.Entry<String, ExchangeSession.FreeBusy> entry : freeBusyMap.entrySet()) {
|
|
String attendee = entry.getKey();
|
|
response.startRecipientResponse(attendee);
|
|
|
|
StringBuilder ics = new StringBuilder();
|
|
ics.append("BEGIN:VCALENDAR").append((char) 13).append((char) 10)
|
|
.append("VERSION:2.0").append((char) 13).append((char) 10)
|
|
.append("PRODID:-//davmail.sf.net/NONSGML DavMail Calendar V1.1//EN").append((char) 13).append((char) 10)
|
|
.append("METHOD:REPLY").append((char) 13).append((char) 10)
|
|
.append("BEGIN:VFREEBUSY").append((char) 13).append((char) 10)
|
|
.append("DTSTAMP:").append(valueMap.get("DTSTAMP")).append("").append((char) 13).append((char) 10)
|
|
.append("ORGANIZER:").append(valueMap.get("ORGANIZER")).append("").append((char) 13).append((char) 10)
|
|
.append("DTSTART:").append(valueMap.get("DTSTART")).append("").append((char) 13).append((char) 10)
|
|
.append("DTEND:").append(valueMap.get("DTEND")).append("").append((char) 13).append((char) 10)
|
|
.append("UID:").append(valueMap.get("UID")).append("").append((char) 13).append((char) 10)
|
|
.append(attendeeKeyMap.get(attendee)).append(':').append(attendee).append("").append((char) 13).append((char) 10);
|
|
entry.getValue().appendTo(ics);
|
|
ics.append("END:VFREEBUSY").append((char) 13).append((char) 10)
|
|
.append("END:VCALENDAR");
|
|
response.appendCalendarData(ics.toString());
|
|
response.endRecipientResponse();
|
|
|
|
}
|
|
response.endScheduleResponse();
|
|
response.close();
|
|
|
|
}
|
|
|
|
|
|
/**
|
|
* Send Http error response for exception
|
|
*
|
|
* @param e exception
|
|
* @throws IOException on error
|
|
*/
|
|
public void sendErr(Exception e) throws IOException {
|
|
String message = e.getMessage();
|
|
if (message == null) {
|
|
message = e.toString();
|
|
}
|
|
if (e instanceof HttpNotFoundException) {
|
|
sendErr(HttpStatus.SC_NOT_FOUND, message);
|
|
} else if (e instanceof HttpPreconditionFailedException) {
|
|
sendErr(HttpStatus.SC_PRECONDITION_FAILED, message);
|
|
} else {
|
|
// workaround for Lightning bug: sleep for 1 second
|
|
try {
|
|
Thread.sleep(1000);
|
|
} catch (InterruptedException ie) {
|
|
// ignore
|
|
}
|
|
sendErr(HttpStatus.SC_SERVICE_UNAVAILABLE, message);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Send 400 bad response for unsupported request.
|
|
*
|
|
* @param request Caldav request
|
|
* @throws IOException on error
|
|
*/
|
|
public void sendUnsupported(CaldavRequest request) throws IOException {
|
|
BundleMessage message = new BundleMessage("LOG_UNSUPPORTED_REQUEST", request);
|
|
DavGatewayTray.error(message);
|
|
sendErr(HttpStatus.SC_BAD_REQUEST, message.format());
|
|
}
|
|
|
|
/**
|
|
* Send Http error status and message.
|
|
*
|
|
* @param status Http status
|
|
* @param message error messagee
|
|
* @throws IOException on error
|
|
*/
|
|
public void sendErr(int status, String message) throws IOException {
|
|
sendHttpResponse(status, null, "text/plain;charset=UTF-8", message, false);
|
|
}
|
|
|
|
/**
|
|
* Send OPTIONS response.
|
|
*
|
|
* @throws IOException on error
|
|
*/
|
|
public void sendOptions() throws IOException {
|
|
HashMap<String, String> headers = new HashMap<String, String>();
|
|
headers.put("Allow", "OPTIONS, PROPFIND, HEAD, GET, REPORT, PROPPATCH, PUT, DELETE, POST");
|
|
sendHttpResponse(HttpStatus.SC_OK, headers);
|
|
}
|
|
|
|
/**
|
|
* Send 401 Unauthorized response.
|
|
*
|
|
* @throws IOException on error
|
|
*/
|
|
public void sendUnauthorized() throws IOException {
|
|
HashMap<String, String> headers = new HashMap<String, String>();
|
|
headers.put("WWW-Authenticate", "Basic realm=\"" + BundleMessage.format("UI_DAVMAIL_GATEWAY") + '\"');
|
|
sendHttpResponse(HttpStatus.SC_UNAUTHORIZED, headers, null, (byte[]) null, true);
|
|
}
|
|
|
|
/**
|
|
* Send Http response with given status.
|
|
*
|
|
* @param status Http status
|
|
* @throws IOException on error
|
|
*/
|
|
public void sendHttpResponse(int status) throws IOException {
|
|
sendHttpResponse(status, null, null, (byte[]) null, true);
|
|
}
|
|
|
|
/**
|
|
* Send Http response with given status and headers.
|
|
*
|
|
* @param status Http status
|
|
* @param headers Http headers
|
|
* @throws IOException on error
|
|
*/
|
|
public void sendHttpResponse(int status, Map<String, String> headers) throws IOException {
|
|
sendHttpResponse(status, headers, null, (byte[]) null, true);
|
|
}
|
|
|
|
/**
|
|
* Send Http response with given status in chunked mode.
|
|
*
|
|
* @param status Http status
|
|
* @param contentType MIME content type
|
|
* @throws IOException on error
|
|
*/
|
|
public void sendChunkedHttpResponse(int status, String contentType) throws IOException {
|
|
HashMap<String, String> headers = new HashMap<String, String>();
|
|
headers.put("Transfer-Encoding", "chunked");
|
|
sendHttpResponse(status, headers, contentType, (byte[]) null, true);
|
|
}
|
|
|
|
/**
|
|
* Send Http response with given status, headers, content type and content.
|
|
* Close connection if keepAlive is false
|
|
*
|
|
* @param status Http status
|
|
* @param headers Http headers
|
|
* @param contentType MIME content type
|
|
* @param content response body as string
|
|
* @param keepAlive keep connection open
|
|
* @throws IOException on error
|
|
*/
|
|
public void sendHttpResponse(int status, Map<String, String> headers, String contentType, String content, boolean keepAlive) throws IOException {
|
|
sendHttpResponse(status, headers, contentType, content.getBytes("UTF-8"), keepAlive);
|
|
}
|
|
|
|
/**
|
|
* Send Http response with given status, headers, content type and content.
|
|
* Close connection if keepAlive is false
|
|
*
|
|
* @param status Http status
|
|
* @param headers Http headers
|
|
* @param contentType MIME content type
|
|
* @param content response body as byte array
|
|
* @param keepAlive keep connection open
|
|
* @throws IOException on error
|
|
*/
|
|
public void sendHttpResponse(int status, Map<String, String> headers, String contentType, byte[] content, boolean keepAlive) throws IOException {
|
|
sendClient("HTTP/1.1 " + status + ' ' + HttpStatus.getStatusText(status));
|
|
if (status != HttpStatus.SC_UNAUTHORIZED) {
|
|
sendClient("Server: DavMail Gateway " + DavGateway.getCurrentVersion());
|
|
sendClient("DAV: 1, calendar-access, calendar-schedule, calendarserver-private-events, addressbook");
|
|
SimpleDateFormat formatter = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss Z", Locale.ENGLISH);
|
|
// force GMT timezone
|
|
formatter.setTimeZone(ExchangeSession.GMT_TIMEZONE);
|
|
String now = formatter.format(new Date());
|
|
sendClient("Date: " + now);
|
|
sendClient("Expires: " + now);
|
|
sendClient("Cache-Control: private, max-age=0");
|
|
}
|
|
if (headers != null) {
|
|
for (Map.Entry<String, String> header : headers.entrySet()) {
|
|
sendClient(header.getKey() + ": " + header.getValue());
|
|
}
|
|
}
|
|
if (contentType != null) {
|
|
sendClient("Content-Type: " + contentType);
|
|
}
|
|
closed = closed || !keepAlive;
|
|
sendClient("Connection: " + (closed ? "close" : "keep-alive"));
|
|
if (content != null && content.length > 0) {
|
|
sendClient("Content-Length: " + content.length);
|
|
} else if (headers == null || !"chunked".equals(headers.get("Transfer-Encoding"))) {
|
|
sendClient("Content-Length: 0");
|
|
}
|
|
sendClient("");
|
|
if (content != null && content.length > 0) {
|
|
// full debug trace
|
|
if (wireLogger.isDebugEnabled()) {
|
|
wireLogger.debug("> " + new String(content, "UTF-8"));
|
|
}
|
|
sendClient(content);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Decode HTTP credentials
|
|
*
|
|
* @param authorization http authorization header value
|
|
* @throws IOException if invalid credentials
|
|
*/
|
|
protected void decodeCredentials(String authorization) throws IOException {
|
|
int index = authorization.indexOf(' ');
|
|
if (index > 0) {
|
|
String mode = authorization.substring(0, index).toLowerCase();
|
|
if (!"basic".equals(mode)) {
|
|
throw new DavMailException("EXCEPTION_UNSUPPORTED_AUTHORIZATION_MODE", mode);
|
|
}
|
|
String encodedCredentials = authorization.substring(index + 1);
|
|
String decodedCredentials = IOUtil.decodeBase64AsString(encodedCredentials);
|
|
index = decodedCredentials.indexOf(':');
|
|
if (index > 0) {
|
|
userName = decodedCredentials.substring(0, index);
|
|
password = decodedCredentials.substring(index + 1);
|
|
} else {
|
|
throw new DavMailException("EXCEPTION_INVALID_CREDENTIALS");
|
|
}
|
|
} else {
|
|
throw new DavMailException("EXCEPTION_INVALID_CREDENTIALS");
|
|
}
|
|
|
|
}
|
|
|
|
protected static class CaldavRequest {
|
|
protected final String command;
|
|
protected final String path;
|
|
protected final String[] pathElements;
|
|
protected final Map<String, String> headers;
|
|
protected int depth;
|
|
protected final String body;
|
|
protected final HashMap<String, String> properties = new HashMap<String, String>();
|
|
protected HashSet<String> hrefs;
|
|
protected boolean isMultiGet;
|
|
protected String timeRangeStart;
|
|
protected String timeRangeEnd;
|
|
protected boolean vTodoOnly;
|
|
protected boolean vEventOnly;
|
|
|
|
protected CaldavRequest(String command, String path, Map<String, String> headers, String body) throws IOException {
|
|
this.command = command;
|
|
this.path = path.replaceAll("//", "/");
|
|
pathElements = this.path.split("/");
|
|
this.headers = headers;
|
|
buildDepth();
|
|
this.body = body;
|
|
|
|
if (isPropFind() || isReport() || isMkCalendar() || isPropPatch()) {
|
|
parseXmlBody();
|
|
}
|
|
}
|
|
|
|
public boolean isOptions() {
|
|
return "OPTIONS".equals(command);
|
|
}
|
|
|
|
public boolean isPropFind() {
|
|
return "PROPFIND".equals(command);
|
|
}
|
|
|
|
public boolean isPropPatch() {
|
|
return "PROPPATCH".equals(command);
|
|
}
|
|
|
|
public boolean isReport() {
|
|
return "REPORT".equals(command);
|
|
}
|
|
|
|
public boolean isGet() {
|
|
return "GET".equals(command);
|
|
}
|
|
|
|
public boolean isHead() {
|
|
return "HEAD".equals(command);
|
|
}
|
|
|
|
public boolean isPut() {
|
|
return "PUT".equals(command);
|
|
}
|
|
|
|
public boolean isPost() {
|
|
return "POST".equals(command);
|
|
}
|
|
|
|
public boolean isDelete() {
|
|
return "DELETE".equals(command);
|
|
}
|
|
|
|
public boolean isMkCalendar() {
|
|
return "MKCALENDAR".equals(command);
|
|
}
|
|
|
|
public boolean isMove() {
|
|
return "MOVE".equals(command);
|
|
}
|
|
|
|
/**
|
|
* Check if this request is a folder request.
|
|
*
|
|
* @return true if this is a folder (not event) request
|
|
*/
|
|
public boolean isFolder() {
|
|
return path.endsWith("/") || isPropFind() || isReport() || isPropPatch() || isOptions() || isPost();
|
|
}
|
|
|
|
public boolean isRoot() {
|
|
return (pathElements.length == 0 || pathElements.length == 1);
|
|
}
|
|
|
|
public boolean isPathLength(int length) {
|
|
return pathElements.length == length;
|
|
}
|
|
|
|
public int getPathLength() {
|
|
return pathElements.length;
|
|
}
|
|
|
|
public String getPath() {
|
|
return path;
|
|
}
|
|
|
|
public String getPath(String subFolder) {
|
|
String folderPath;
|
|
if (subFolder == null || subFolder.length() == 0) {
|
|
folderPath = path;
|
|
} else if (path.endsWith("/")) {
|
|
folderPath = path + subFolder;
|
|
} else {
|
|
folderPath = path + '/' + subFolder;
|
|
}
|
|
if (folderPath.endsWith("/")) {
|
|
return folderPath;
|
|
} else {
|
|
return folderPath + '/';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check if path element at index is value
|
|
*
|
|
* @param index path element index
|
|
* @param value path value
|
|
* @return true if path element at index is value
|
|
*/
|
|
public boolean isPath(int index, String value) {
|
|
return value != null && value.equals(getPathElement(index));
|
|
}
|
|
|
|
protected String getPathElement(int index) {
|
|
if (index < pathElements.length) {
|
|
return pathElements[index];
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public String getLastPath() {
|
|
return getPathElement(getPathLength() - 1);
|
|
}
|
|
|
|
protected boolean isBrokenHrefEncoding() {
|
|
return isUserAgent("DAVKit/3") || isUserAgent("eM Client/3") || isBrokenLightning();
|
|
}
|
|
|
|
protected boolean isBrokenLightning() {
|
|
return isUserAgent("Lightning/1.0b2");
|
|
}
|
|
|
|
protected boolean isLightning() {
|
|
return isUserAgent("Lightning/");
|
|
}
|
|
|
|
protected boolean isIcal5() {
|
|
return isUserAgent("CoreDAV/") || isUserAgent("iOS/")
|
|
// iCal 6
|
|
|| isUserAgent("Mac OS X/10.8");
|
|
}
|
|
|
|
protected boolean isUserAgent(String key) {
|
|
String userAgent = headers.get("user-agent");
|
|
return userAgent != null && userAgent.indexOf(key) >= 0;
|
|
}
|
|
|
|
public boolean isFreeBusy() {
|
|
return body != null && body.indexOf("VFREEBUSY") >= 0;
|
|
}
|
|
|
|
protected void buildDepth() {
|
|
String depthValue = headers.get("depth");
|
|
if ("infinity".equalsIgnoreCase(depthValue)) {
|
|
depth = Integer.MAX_VALUE;
|
|
} else if (depthValue != null) {
|
|
try {
|
|
depth = Integer.valueOf(depthValue);
|
|
} catch (NumberFormatException e) {
|
|
DavGatewayTray.warn(new BundleMessage("LOG_INVALID_DEPTH", depthValue));
|
|
}
|
|
}
|
|
}
|
|
|
|
public int getDepth() {
|
|
return depth;
|
|
}
|
|
|
|
public String getBody() {
|
|
return body;
|
|
}
|
|
|
|
public String getHeader(String headerName) {
|
|
return headers.get(headerName);
|
|
}
|
|
|
|
protected void parseXmlBody() throws IOException {
|
|
if (body == null) {
|
|
throw new DavMailException("EXCEPTION_INVALID_CALDAV_REQUEST", "Missing body");
|
|
}
|
|
XMLStreamReader streamReader = null;
|
|
try {
|
|
streamReader = XMLStreamUtil.createXMLStreamReader(body);
|
|
while (streamReader.hasNext()) {
|
|
streamReader.next();
|
|
if (XMLStreamUtil.isStartTag(streamReader)) {
|
|
String tagLocalName = streamReader.getLocalName();
|
|
if ("prop".equals(tagLocalName)) {
|
|
handleProp(streamReader);
|
|
} else if ("calendar-multiget".equals(tagLocalName)
|
|
|| "addressbook-multiget".equals(tagLocalName)) {
|
|
isMultiGet = true;
|
|
} else if ("comp-filter".equals(tagLocalName)) {
|
|
handleCompFilter(streamReader);
|
|
} else if ("href".equals(tagLocalName)) {
|
|
if (hrefs == null) {
|
|
hrefs = new HashSet<String>();
|
|
}
|
|
if (isBrokenHrefEncoding()) {
|
|
hrefs.add(streamReader.getElementText());
|
|
} else {
|
|
hrefs.add(URIUtil.decode(StringUtil.encodePlusSign(streamReader.getElementText())));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} catch (XMLStreamException e) {
|
|
throw new DavMailException("EXCEPTION_INVALID_CALDAV_REQUEST", e.getMessage());
|
|
} finally {
|
|
try {
|
|
if (streamReader != null) {
|
|
streamReader.close();
|
|
}
|
|
} catch (XMLStreamException e) {
|
|
DavGatewayTray.error(e);
|
|
}
|
|
}
|
|
}
|
|
|
|
protected boolean isEndTag(XMLStreamReader reader, String tagLocalName) {
|
|
return (reader.getEventType() == XMLStreamConstants.END_ELEMENT) && (reader.getLocalName().equals(tagLocalName));
|
|
}
|
|
|
|
public void handleCompFilter(XMLStreamReader reader) throws XMLStreamException {
|
|
while (reader.hasNext() && !isEndTag(reader, "comp-filter")) {
|
|
reader.next();
|
|
if (XMLStreamUtil.isStartTag(reader, "comp-filter")) {
|
|
String name = reader.getAttributeValue(null, "name");
|
|
if ("VEVENT".equals(name)) {
|
|
vEventOnly = true;
|
|
} else if ("VTODO".equals(name)) {
|
|
vTodoOnly = true;
|
|
}
|
|
} else if (XMLStreamUtil.isStartTag(reader, "time-range")) {
|
|
timeRangeStart = reader.getAttributeValue(null, "start");
|
|
timeRangeEnd = reader.getAttributeValue(null, "end");
|
|
}
|
|
}
|
|
}
|
|
|
|
public void handleProp(XMLStreamReader reader) throws XMLStreamException {
|
|
while (reader.hasNext() && !isEndTag(reader, "prop")) {
|
|
reader.next();
|
|
if (XMLStreamUtil.isStartTag(reader)) {
|
|
String tagLocalName = reader.getLocalName();
|
|
String tagText = null;
|
|
if ("displayname".equals(tagLocalName) || reader.hasText()) {
|
|
tagText = XMLStreamUtil.getElementText(reader);
|
|
}
|
|
properties.put(tagLocalName, tagText);
|
|
}
|
|
}
|
|
}
|
|
|
|
public boolean hasProperty(String propertyName) {
|
|
return properties.containsKey(propertyName);
|
|
}
|
|
|
|
public String getProperty(String propertyName) {
|
|
return properties.get(propertyName);
|
|
}
|
|
|
|
public boolean isMultiGet() {
|
|
return isMultiGet && hrefs != null;
|
|
}
|
|
|
|
public Set<String> getHrefs() {
|
|
return hrefs;
|
|
}
|
|
|
|
@Override
|
|
public String toString() {
|
|
return command + ' ' + path + " Depth: " + depth + '\n' + body;
|
|
}
|
|
|
|
/**
|
|
* Get request folder path.
|
|
*
|
|
* @return exchange folder path
|
|
*/
|
|
public String getFolderPath() {
|
|
return getFolderPath(null);
|
|
}
|
|
|
|
public String getParentFolderPath() {
|
|
int endIndex;
|
|
if (isFolder()) {
|
|
endIndex = getPathLength() - 1;
|
|
} else {
|
|
endIndex = getPathLength() - 2;
|
|
}
|
|
return getFolderPath(endIndex, null);
|
|
}
|
|
|
|
/**
|
|
* Get request folder path with subFolder.
|
|
*
|
|
* @param subFolder sub folder path
|
|
* @return folder path
|
|
*/
|
|
public String getFolderPath(String subFolder) {
|
|
int endIndex;
|
|
if (isFolder()) {
|
|
endIndex = getPathLength();
|
|
} else {
|
|
endIndex = getPathLength() - 1;
|
|
}
|
|
return getFolderPath(endIndex, subFolder);
|
|
}
|
|
|
|
protected String getFolderPath(int endIndex, String subFolder) {
|
|
|
|
StringBuilder calendarPath = new StringBuilder();
|
|
for (int i = 0; i < endIndex; i++) {
|
|
if (getPathElement(i).length() > 0) {
|
|
calendarPath.append('/').append(getPathElement(i));
|
|
}
|
|
}
|
|
if (subFolder != null && subFolder.length() > 0) {
|
|
calendarPath.append('/').append(subFolder);
|
|
}
|
|
if (this.isUserAgent("Address%20Book") || this.isUserAgent("Darwin")) {
|
|
/* WARNING - This is a kludge -
|
|
* If your public folder address book path has spaces, then Address Book app just ignores that account
|
|
* This kludge allows you to specify the path in which spaces are encoded as ___
|
|
* It'll make Address book to not ignore the account and communicate with DavMail.
|
|
* Here we replace the ___ in the path with spaces. Be warned if your actual address book path has ___
|
|
* it'll fail.
|
|
*/
|
|
String result = calendarPath.toString();
|
|
// replace unsupported spaces
|
|
if (result.indexOf(' ') >= 0) {
|
|
result = result.replaceAll("___", " ");
|
|
}
|
|
// replace /addressbook suffix on public folders
|
|
if (result.startsWith("/public")) {
|
|
result = result.replaceAll("/addressbook", "");
|
|
}
|
|
|
|
return result;
|
|
} else {
|
|
return calendarPath.toString();
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Http chunked response.
|
|
*/
|
|
protected class ChunkedResponse {
|
|
Writer writer;
|
|
|
|
protected ChunkedResponse(int status, String contentType) throws IOException {
|
|
writer = new OutputStreamWriter(new BufferedOutputStream(new OutputStream() {
|
|
@Override
|
|
public void write(byte[] data, int offset, int length) throws IOException {
|
|
sendClient(Integer.toHexString(length));
|
|
sendClient(data, offset, length);
|
|
if (wireLogger.isDebugEnabled()) {
|
|
StringBuilder logBuffer = new StringBuilder("> ");
|
|
logBuffer.append(new String(data, offset, length, "UTF-8"));
|
|
wireLogger.debug(logBuffer.toString());
|
|
}
|
|
sendClient("");
|
|
}
|
|
|
|
@Override
|
|
public void write(int b) throws IOException {
|
|
throw new UnsupportedOperationException();
|
|
}
|
|
|
|
@Override
|
|
public void close() throws IOException {
|
|
sendClient("0");
|
|
sendClient("");
|
|
}
|
|
}), "UTF-8");
|
|
sendChunkedHttpResponse(status, contentType);
|
|
}
|
|
|
|
public void append(String data) throws IOException {
|
|
writer.write(data);
|
|
}
|
|
|
|
public void close() throws IOException {
|
|
writer.close();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Caldav response wrapper, content sent in chunked mode to avoid timeout
|
|
*/
|
|
protected class CaldavResponse extends ChunkedResponse {
|
|
|
|
protected CaldavResponse(int status) throws IOException {
|
|
super(status, "text/xml;charset=UTF-8");
|
|
writer.write("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
|
|
}
|
|
|
|
|
|
public void startMultistatus() throws IOException {
|
|
writer.write("<D:multistatus xmlns:D=\"DAV:\" xmlns:C=\"urn:ietf:params:xml:ns:caldav\" xmlns:E=\"urn:ietf:params:xml:ns:carddav\">");
|
|
}
|
|
|
|
public void startResponse(String href) throws IOException {
|
|
writer.write("<D:response>");
|
|
writer.write("<D:href>");
|
|
writer.write(StringUtil.xmlEncode(href));
|
|
writer.write("</D:href>");
|
|
}
|
|
|
|
public void startPropstat() throws IOException {
|
|
writer.write("<D:propstat>");
|
|
writer.write("<D:prop>");
|
|
}
|
|
|
|
public void appendCalendarData(String ics) throws IOException {
|
|
if (ics != null && ics.length() > 0) {
|
|
writer.write("<C:calendar-data xmlns:C=\"urn:ietf:params:xml:ns:caldav\"");
|
|
writer.write(" C:content-type=\"text/calendar\" C:version=\"2.0\">");
|
|
writer.write(StringUtil.xmlEncode(ics));
|
|
writer.write("</C:calendar-data>");
|
|
}
|
|
}
|
|
|
|
public void appendContactData(String vcard) throws IOException {
|
|
if (vcard != null && vcard.length() > 0) {
|
|
writer.write("<E:address-data>");
|
|
writer.write(StringUtil.xmlEncode(vcard));
|
|
writer.write("</E:address-data>");
|
|
}
|
|
}
|
|
|
|
public void appendHrefProperty(String propertyName, String propertyValue) throws IOException {
|
|
appendProperty(propertyName, null, "<D:href>" + StringUtil.xmlEncode(propertyValue) + "</D:href>");
|
|
}
|
|
|
|
public void appendProperty(String propertyName) throws IOException {
|
|
appendProperty(propertyName, null);
|
|
}
|
|
|
|
public void appendProperty(String propertyName, String propertyValue) throws IOException {
|
|
appendProperty(propertyName, null, propertyValue);
|
|
}
|
|
|
|
public void appendProperty(String propertyName, String namespace, String propertyValue) throws IOException {
|
|
if (propertyValue != null) {
|
|
writer.write('<');
|
|
writer.write(propertyName);
|
|
if (namespace != null) {
|
|
writer.write(" xmlns:");
|
|
writer.write(namespace);
|
|
}
|
|
writer.write('>');
|
|
writer.write(propertyValue);
|
|
writer.write("</");
|
|
writer.write(propertyName);
|
|
writer.write('>');
|
|
} else {
|
|
writer.write('<');
|
|
writer.write(propertyName);
|
|
if (namespace != null) {
|
|
writer.write(" xmlns:");
|
|
writer.write(namespace);
|
|
}
|
|
writer.write("/>");
|
|
}
|
|
}
|
|
|
|
public void endPropStatOK() throws IOException {
|
|
writer.write("</D:prop><D:status>HTTP/1.1 200 OK</D:status></D:propstat>");
|
|
}
|
|
|
|
public void appendPropstatNotFound() throws IOException {
|
|
writer.write("<D:propstat><D:status>HTTP/1.1 404 Not Found</D:status></D:propstat>");
|
|
}
|
|
|
|
public void endResponse() throws IOException {
|
|
writer.write("</D:response>");
|
|
}
|
|
|
|
public void endMultistatus() throws IOException {
|
|
writer.write("</D:multistatus>");
|
|
}
|
|
|
|
public void startScheduleResponse() throws IOException {
|
|
writer.write("<C:schedule-response xmlns:D=\"DAV:\" xmlns:C=\"urn:ietf:params:xml:ns:caldav\">");
|
|
}
|
|
|
|
public void startRecipientResponse(String recipient) throws IOException {
|
|
writer.write("<C:response><C:recipient><D:href>");
|
|
writer.write(recipient);
|
|
writer.write("</D:href></C:recipient><C:request-status>2.0;Success</C:request-status>");
|
|
}
|
|
|
|
public void endRecipientResponse() throws IOException {
|
|
writer.write("</C:response>");
|
|
}
|
|
|
|
public void endScheduleResponse() throws IOException {
|
|
writer.write("</C:schedule-response>");
|
|
}
|
|
|
|
}
|
|
}
|
|
|