1160 lines
47 KiB
Java
1160 lines
47 KiB
Java
package davmail.caldav;
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import davmail.*;
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import davmail.exception.DavMailException;
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import davmail.exception.DavMailAuthenticationException;
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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.ui.tray.DavGatewayTray;
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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.util.URIUtil;
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import org.apache.log4j.Logger;
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import javax.xml.stream.XMLInputFactory;
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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.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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// Initialize the streams and start the thread
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public CaldavConnection(Socket clientSocket) {
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super(CaldavConnection.class.getSimpleName(), clientSocket, "UTF-8");
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wireLogger.setLevel(Settings.getLoggingLevel("httpclient.wire"));
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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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throw new DavMailException("EXCEPTION_INVALID_HEADER", line);
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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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char[] buffer = new char[size];
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StringBuilder builder = new StringBuilder();
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int actualSize = in.read(buffer);
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builder.append(buffer, 0, actualSize);
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if (actualSize < 0) {
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throw new DavMailException("EXCEPTION_END_OF_STREAM");
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}
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// dirty hack to ensure full content read
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// TODO : replace with a dedicated reader
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while (builder.toString().getBytes("UTF-8").length < size) {
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actualSize = in.read(buffer);
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builder.append(buffer, 0, actualSize);
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}
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return builder.toString();
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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 path = URIUtil.decode(tokens.nextToken());
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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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// authenticate only once
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if (session == null) {
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try {
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session = ExchangeSessionFactory.getInstance(userName, password);
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} catch (DavMailAuthenticationException e) {
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sendUnauthorized();
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}
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}
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if (session != null) {
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handleRequest(command, path, headers, content);
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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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DavGatewayTray.error(e);
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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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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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// full debug trace
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if (wireLogger.isDebugEnabled()) {
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wireLogger.debug("Caldav command: " + request.toString());
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}
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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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handleCalendar(request, 3);
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}
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} else if (request.isPath(1, "public")) {
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handleCalendar(request, 2);
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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", 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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} else {
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sendUnsupported(request);
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}
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} else if (request.isPath(2, "public") && request.isPathLength(4)) {
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sendPrincipal(request, "public", request.getPathElement(3));
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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 handleCalendar(CaldavRequest request, int depth) throws IOException {
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String folderName = request.getPathElement(depth);
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// folder request
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if (request.isPathLength(depth + 1)) {
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if (request.isPropFind() && "inbox".equals(folderName)) {
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sendInbox(request);
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} else if (request.isPropFind() && "outbox".equals(folderName)) {
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sendOutbox(request);
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} else if (request.isPost() && "outbox".equals(folderName)) {
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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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sendHttpResponse(status);
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}
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} else if (request.isPropFind()) {
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sendCalendar(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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reportEvents(request);
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}
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// event request
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} else if (request.isPathLength(depth + 2)) {
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String eventName = xmlDecodeName(request.getPathElement(depth + 1));
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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.EventResult eventResult = session.createOrUpdateEvent(request.getExchangeFolderPath(), eventName, request.getBody(), etag, noneMatch);
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if (eventResult.etag != null) {
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HashMap<String, String> responseHeaders = new HashMap<String, String>();
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responseHeaders.put("ETag", eventResult.etag);
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sendHttpResponse(eventResult.status, responseHeaders, null, "", true);
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} else {
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sendHttpResponse(eventResult.status);
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}
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} else if (request.isDelete()) {
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int status = session.deleteEvent(request.getExchangeFolderPath(), eventName);
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sendHttpResponse(status);
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} else if (request.isGet()) {
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ExchangeSession.Event event = session.getEvent(request.getExchangeFolderPath(), eventName);
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sendHttpResponse(HttpStatus.SC_OK, null, "text/calendar;charset=UTF-8", event.getICS(), true);
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} else if (request.isHead()) {
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// test event
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session.getEvent(request.getExchangeFolderPath(), eventName);
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sendHttpResponse(HttpStatus.SC_OK, null, "text/calendar;charset=UTF-8", (byte[]) null, true);
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} else {
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sendUnsupported(request);
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}
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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 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_EVENT", ++count, size));
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DavGatewayTray.switchIcon();
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appendEventResponse(response, request, event);
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}
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}
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protected void appendEventResponse(CaldavResponse response, CaldavRequest request, ExchangeSession.Event event) throws IOException {
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StringBuilder eventPath = new StringBuilder();
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eventPath.append(URIUtil.encodePath(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 eventName = xmlEncodeName(event.getPath());
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eventPath.append(URIUtil.encodeWithinQuery(eventName));
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response.startResponse(eventPath.toString());
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response.startPropstat();
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if (request.hasProperty("calendar-data")) {
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response.appendCalendarData(event.getICS());
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}
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if (request.hasProperty("getcontenttype")) {
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response.appendProperty("D:getcontenttype", "text/calendar; component=vevent");
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}
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if (request.hasProperty("getetag")) {
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response.appendProperty("D:getetag", event.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", eventName);
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}
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response.endPropStatOK();
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response.endResponse();
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}
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public void appendCalendar(CaldavResponse response, CaldavRequest request, String subFolder) throws IOException {
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response.startResponse(URIUtil.encodePath(request.getPath(subFolder)));
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response.startPropstat();
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if (request.hasProperty("resourcetype")) {
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response.appendProperty("D:resourcetype", "<D:collection/>" +
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"<C:calendar xmlns:C=\"urn:ietf:params:xml:ns:caldav\"/>");
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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.appendProperty("D:owner", "<D:href>/principals/users/" + request.getPathElement(2) + "</D:href>");
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} else {
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response.appendProperty("D:owner", "<D:href>/principals" + request.getPath() + "</D:href>");
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}
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}
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if (request.hasProperty("getcontenttype")) {
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response.appendProperty("D:getcontenttype", "text/calendar; component=vevent");
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}
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if (request.hasProperty("getetag")) {
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response.appendProperty("D:getetag", session.getFolderResourceTag(request.getExchangeFolderPath(subFolder)));
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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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base64Encode(session.getFolderCtag(request.getExchangeFolderPath(subFolder))));
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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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response.appendProperty("D:displayname", request.getLastPath());
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} else {
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response.appendProperty("D:displayname", subFolder);
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}
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}
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response.endPropStatOK();
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response.endResponse();
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}
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public void appendInbox(CaldavResponse response, CaldavRequest request, String subFolder) throws IOException {
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response.startResponse(URIUtil.encodePath(request.getPath(subFolder)));
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response.startPropstat();
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if (request.hasProperty("resourcetype")) {
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response.appendProperty("D:resourcetype", "<D:collection/>" +
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"<C:schedule-inbox xmlns:C=\"urn:ietf:params:xml:ns:caldav\"/>");
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}
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if (request.hasProperty("getcontenttype")) {
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response.appendProperty("D:getcontenttype", "text/calendar; component=vevent");
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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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base64Encode(session.getFolderCtag(request.getExchangeFolderPath(subFolder))));
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}
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if (request.hasProperty("displayname")) {
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response.appendProperty("D:displayname", "inbox");
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}
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response.endPropStatOK();
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response.endResponse();
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}
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public void appendOutbox(CaldavResponse response, CaldavRequest request, String subFolder) throws IOException {
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response.startResponse(URIUtil.encodePath(request.getPath(subFolder)));
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response.startPropstat();
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if (request.hasProperty("resourcetype")) {
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response.appendProperty("D:resourcetype", "<D:collection/>" +
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"<C:schedule-outbox xmlns:C=\"urn:ietf:params:xml:ns:caldav\"/>");
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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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"0");
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}
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if (request.hasProperty("displayname")) {
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response.appendProperty("D:displayname", "outbox");
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}
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response.endPropStatOK();
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response.endResponse();
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}
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public void sendGetRoot() throws IOException {
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StringBuilder buffer = new StringBuilder();
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buffer.append("Connected to DavMail<br/>");
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buffer.append("UserName :").append(userName).append("<br/>");
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buffer.append("Email :").append(session.getEmail()).append("<br/>");
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sendHttpResponse(HttpStatus.SC_OK, null, "text/html;charset=UTF-8", buffer.toString(), true);
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}
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public void sendInbox(CaldavRequest request) throws IOException {
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CaldavResponse response = new CaldavResponse(HttpStatus.SC_MULTI_STATUS);
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response.startMultistatus();
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appendInbox(response, request, null);
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if (request.getDepth() == 1) {
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DavGatewayTray.debug(new BundleMessage("LOG_SEARCHING_CALENDAR_MESSAGES"));
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List<ExchangeSession.Event> events = session.getEventMessages(request.getExchangeFolderPath());
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DavGatewayTray.debug(new BundleMessage("LOG_FOUND_CALENDAR_MESSAGES", events.size()));
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appendEventsResponses(response, request, events);
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}
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response.endMultistatus();
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response.close();
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}
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public void sendOutbox(CaldavRequest request) throws IOException {
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CaldavResponse response = new CaldavResponse(HttpStatus.SC_MULTI_STATUS);
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response.startMultistatus();
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appendOutbox(response, request, null);
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response.endMultistatus();
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response.close();
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}
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public void sendCalendar(CaldavRequest request) throws IOException {
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String folderPath = request.getExchangeFolderPath();
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CaldavResponse response = new CaldavResponse(HttpStatus.SC_MULTI_STATUS);
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response.startMultistatus();
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appendCalendar(response, request, null);
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if (request.getDepth() == 1) {
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DavGatewayTray.debug(new BundleMessage("LOG_SEARCHING_CALENDAR_EVENTS", folderPath));
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List<ExchangeSession.Event> events = session.getAllEvents(folderPath);
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DavGatewayTray.debug(new BundleMessage("LOG_FOUND_CALENDAR_EVENTS", events.size()));
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appendEventsResponses(response, request, events);
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}
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response.endMultistatus();
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response.close();
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}
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public void patchCalendar(CaldavRequest request) throws IOException {
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CaldavResponse response = new CaldavResponse(HttpStatus.SC_MULTI_STATUS);
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response.startMultistatus();
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// just ignore calendar folder proppatch (color not supported in Exchange)
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if (request.hasProperty("calendar-color")) {
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response.startPropstat();
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response.appendProperty("x1:calendar-color", "x1=\"http://apple.com/ns/ical/\"", null);
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response.endPropStatOK();
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}
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response.endMultistatus();
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response.close();
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}
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protected String getEventFileNameFromPath(String path) {
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int index = path.lastIndexOf('/');
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if (index < 0) {
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return null;
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} else {
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return xmlDecodeName(path.substring(index + 1));
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}
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}
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public void reportEvents(CaldavRequest request) throws IOException {
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String folderPath = request.getExchangeFolderPath();
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List<ExchangeSession.Event> events;
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List<String> notFound = new ArrayList<String>();
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CaldavResponse response = new CaldavResponse(HttpStatus.SC_MULTI_STATUS);
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response.startMultistatus();
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if (request.isMultiGet()) {
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int count = 0;
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int total = request.getHrefs().size();
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for (String href : request.getHrefs()) {
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DavGatewayTray.debug(new BundleMessage("LOG_REPORT_EVENT", ++count, total));
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DavGatewayTray.switchIcon();
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try {
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String eventName = getEventFileNameFromPath(href);
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if (eventName == null) {
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notFound.add(href);
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} else if ("inbox".equals(eventName) || "calendar".equals(eventName)) {
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// Sunbird: just ignore
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} else {
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appendEventResponse(response, request, session.getEvent(folderPath, eventName));
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}
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} catch (HttpException e) {
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DavGatewayTray.warn(new BundleMessage("LOG_EVENT_NOT_FOUND", href));
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notFound.add(href);
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}
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}
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} else if (request.isPath(1, "users") && request.isPath(3, "inbox")) {
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events = session.getEventMessages(request.getExchangeFolderPath());
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appendEventsResponses(response, request, events);
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} else {
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events = session.getAllEvents(request.getExchangeFolderPath());
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appendEventsResponses(response, request, events);
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}
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// send not found events errors
|
|
for (String href : notFound) {
|
|
response.startResponse(URIUtil.encodePath(href));
|
|
response.appendPropstatNotFound();
|
|
response.endResponse();
|
|
}
|
|
response.endMultistatus();
|
|
response.close();
|
|
}
|
|
|
|
public void sendUserRoot(CaldavRequest request) throws IOException {
|
|
CaldavResponse response = new CaldavResponse(HttpStatus.SC_MULTI_STATUS);
|
|
response.startMultistatus();
|
|
response.startResponse(URIUtil.encodePath(request.getPath()));
|
|
response.startPropstat();
|
|
|
|
if (request.hasProperty("resourcetype")) {
|
|
response.appendProperty("D:resourcetype", "<D:collection/>");
|
|
}
|
|
if (request.hasProperty("displayname")) {
|
|
response.appendProperty("D:displayname", request.getLastPath());
|
|
}
|
|
response.endPropStatOK();
|
|
if (request.getDepth() == 1) {
|
|
appendInbox(response, request, "inbox");
|
|
appendOutbox(response, request, "outbox");
|
|
appendCalendar(response, request, "calendar");
|
|
}
|
|
response.endResponse();
|
|
response.endMultistatus();
|
|
response.close();
|
|
}
|
|
|
|
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.appendProperty("D:principal-collection-set", "<D:href>/principals/users/" + session.getEmail() + "</D:href>");
|
|
}
|
|
if (request.hasProperty("displayname")) {
|
|
response.appendProperty("D:displayname", "ROOT");
|
|
}
|
|
response.endPropStatOK();
|
|
response.endResponse();
|
|
response.endMultistatus();
|
|
response.close();
|
|
}
|
|
|
|
public void sendPrincipal(CaldavRequest request, String prefix, String principal) throws IOException {
|
|
// actual principal is email address
|
|
String actualPrincipal = principal;
|
|
if ("users".equals(prefix) && userName.equals(principal)) {
|
|
actualPrincipal = session.getEmail();
|
|
}
|
|
|
|
CaldavResponse response = new CaldavResponse(HttpStatus.SC_MULTI_STATUS);
|
|
response.startMultistatus();
|
|
response.startResponse(URIUtil.encodePath("/principals/" + prefix + '/' + principal));
|
|
response.startPropstat();
|
|
|
|
if (request.hasProperty("calendar-home-set")) {
|
|
if ("users".equals(prefix)) {
|
|
response.appendProperty("C:calendar-home-set", "<D:href>/users/" + actualPrincipal + "/calendar</D:href>");
|
|
} else {
|
|
response.appendProperty("C:calendar-home-set", "<D:href>" + prefix + '/' + actualPrincipal + "</D:href>");
|
|
}
|
|
}
|
|
|
|
if (request.hasProperty("calendar-user-address-set") && "users".equals(prefix)) {
|
|
response.appendProperty("C:calendar-user-address-set", "<D:href>mailto:" + actualPrincipal + "</D:href>");
|
|
}
|
|
|
|
// no inbox/outbox for delegated/shared calendars
|
|
if ("users".equals(prefix) && session.getEmail().equals(principal)) {
|
|
if (request.hasProperty("schedule-inbox-URL")) {
|
|
response.appendProperty("C:schedule-inbox-URL", "<D:href>/users/" + actualPrincipal + "/inbox</D:href>");
|
|
}
|
|
|
|
if (request.hasProperty("schedule-outbox-URL")) {
|
|
response.appendProperty("C:schedule-outbox-URL", "<D:href>/users/" + actualPrincipal + "/outbox</D:href>");
|
|
}
|
|
}
|
|
|
|
if (request.hasProperty("displayname")) {
|
|
response.appendProperty("D:displayname", actualPrincipal);
|
|
}
|
|
if (request.hasProperty("resourcetype")) {
|
|
response.appendProperty("D:resourcetype", "<D:collection/><D:principal/>");
|
|
}
|
|
response.endPropStatOK();
|
|
response.endResponse();
|
|
response.endMultistatus();
|
|
response.close();
|
|
}
|
|
|
|
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);
|
|
if (freeBusy != null) {
|
|
freeBusyMap.put(attendee, freeBusy);
|
|
}
|
|
}
|
|
if (!freeBusyMap.isEmpty()) {
|
|
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();
|
|
} else {
|
|
sendHttpResponse(HttpStatus.SC_NOT_FOUND, null, "text/plain", "Unknown recipient: " + valueMap.get("ATTENDEE"), true);
|
|
}
|
|
|
|
}
|
|
|
|
|
|
public void sendErr(Exception e) throws IOException {
|
|
String message = e.getMessage();
|
|
if (message == null) {
|
|
message = e.toString();
|
|
}
|
|
sendErr(HttpStatus.SC_SERVICE_UNAVAILABLE, message);
|
|
}
|
|
|
|
public void sendUnsupported(CaldavRequest request) throws IOException {
|
|
BundleMessage message = new BundleMessage("LOG_UNSUPORTED_REQUEST", request);
|
|
DavGatewayTray.error(message);
|
|
sendErr(HttpStatus.SC_BAD_REQUEST, message.format());
|
|
}
|
|
|
|
public void sendErr(int status, String message) throws IOException {
|
|
sendHttpResponse(status, null, "text/plain;charset=UTF-8", message, false);
|
|
}
|
|
|
|
public void sendOptions() throws IOException {
|
|
HashMap<String, String> headers = new HashMap<String, String>();
|
|
headers.put("Allow", "OPTIONS, GET, PROPFIND, PUT, POST");
|
|
sendHttpResponse(HttpStatus.SC_OK, headers);
|
|
}
|
|
|
|
public void sendUnauthorized() throws IOException {
|
|
HashMap<String, String> headers = new HashMap<String, String>();
|
|
headers.put("WWW-Authenticate", "Basic realm=\"" + Settings.getProperty("davmail.url") + '\"');
|
|
sendHttpResponse(HttpStatus.SC_UNAUTHORIZED, headers);
|
|
}
|
|
|
|
public void sendHttpResponse(int status) throws IOException {
|
|
sendHttpResponse(status, null, null, (byte[]) null, true);
|
|
}
|
|
|
|
public void sendHttpResponse(int status, Map<String, String> headers) throws IOException {
|
|
sendHttpResponse(status, headers, null, (byte[]) null, true);
|
|
}
|
|
|
|
public void sendChunkedHttpResponse(int status) throws IOException {
|
|
HashMap<String, String> headers = new HashMap<String, String>();
|
|
headers.put("Transfer-Encoding", "chunked");
|
|
sendHttpResponse(status, headers, "text/xml;charset=UTF-8", (byte[]) null, true);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
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));
|
|
sendClient("Server: DavMail Gateway");
|
|
sendClient("DAV: 1, 2, 3, access-control, calendar-access, ticket, calendar-schedule, calendarserver-private-events");
|
|
SimpleDateFormat formatter = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss Z", Locale.ENGLISH);
|
|
sendClient("Date: " + formatter.format(new Date()));
|
|
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 = base64Decode(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");
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Need to encode xml for iCal
|
|
*
|
|
* @param name decoded name
|
|
* @return name encoded name
|
|
*/
|
|
protected String xmlEncodeName(String name) {
|
|
String result = name;
|
|
if (name.indexOf('&') >= 0) {
|
|
result = result.replaceAll("&", "&");
|
|
}
|
|
if (name.indexOf('<') >= 0) {
|
|
result = result.replaceAll("<", "<");
|
|
}
|
|
if (name.indexOf('>') >= 0) {
|
|
result = result.replaceAll(">", ">");
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* Need to decode xml for iCal
|
|
*
|
|
* @param name encoded name
|
|
* @return name decoded name
|
|
*/
|
|
protected String xmlDecodeName(String name) {
|
|
String result = name;
|
|
if (name.indexOf("&") >= 0) {
|
|
result = result.replaceAll("&", "&");
|
|
}
|
|
if (name.indexOf(">") >= 0) {
|
|
result = result.replaceAll(">", ">");
|
|
}
|
|
if (name.indexOf("<") >= 0) {
|
|
result = result.replaceAll("<", "<");
|
|
}
|
|
return result;
|
|
}
|
|
|
|
protected 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 HashSet<String> properties = new HashSet<String>();
|
|
protected HashSet<String> hrefs;
|
|
protected boolean isMultiGet;
|
|
|
|
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()) {
|
|
parseXmlBody();
|
|
}
|
|
}
|
|
|
|
public boolean isOptions() {
|
|
return "OPTIONS".equals(command);
|
|
}
|
|
|
|
public boolean isPropFind() {
|
|
return "PROPFIND".equals(command);
|
|
}
|
|
|
|
public boolean isPropPatch() {
|
|
return "PROPFIND".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 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) {
|
|
if (subFolder == null || subFolder.length() == 0) {
|
|
return path;
|
|
} else {
|
|
return path + '/' + subFolder;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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 isIcal() {
|
|
String userAgent = headers.get("user-agent");
|
|
return userAgent != null && userAgent.indexOf("DAVKit") >= 0;
|
|
}
|
|
|
|
public boolean isFreeBusy() {
|
|
return body != null && body.indexOf("VFREEBUSY") >= 0;
|
|
}
|
|
|
|
protected void buildDepth() {
|
|
String depthValue = headers.get("depth");
|
|
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 {
|
|
XMLStreamReader streamReader = null;
|
|
try {
|
|
XMLInputFactory inputFactory = XMLInputFactory.newInstance();
|
|
inputFactory.setProperty(XMLInputFactory.IS_COALESCING, Boolean.TRUE);
|
|
inputFactory.setProperty(XMLInputFactory.IS_REPLACING_ENTITY_REFERENCES, Boolean.TRUE);
|
|
|
|
streamReader = inputFactory.createXMLStreamReader(new StringReader(body));
|
|
boolean inElement = false;
|
|
boolean inProperties = false;
|
|
String currentElement = null;
|
|
while (streamReader.hasNext()) {
|
|
int event = streamReader.next();
|
|
if (event == XMLStreamConstants.START_ELEMENT) {
|
|
inElement = true;
|
|
currentElement = streamReader.getLocalName();
|
|
if ("prop".equals(currentElement)) {
|
|
inProperties = true;
|
|
} else if ("calendar-multiget".equals(currentElement)) {
|
|
isMultiGet = true;
|
|
} else if (inProperties) {
|
|
properties.add(currentElement);
|
|
}
|
|
} else if (event == XMLStreamConstants.END_ELEMENT) {
|
|
if ("prop".equals(currentElement)) {
|
|
inProperties = false;
|
|
}
|
|
} else if (event == XMLStreamConstants.CHARACTERS && inElement) {
|
|
if ("href".equals(currentElement)) {
|
|
if (hrefs == null) {
|
|
hrefs = new HashSet<String>();
|
|
}
|
|
if (isIcal()) {
|
|
hrefs.add(streamReader.getText());
|
|
} else {
|
|
hrefs.add(URIUtil.decode(streamReader.getText()));
|
|
}
|
|
}
|
|
inElement = false;
|
|
}
|
|
}
|
|
} 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);
|
|
}
|
|
}
|
|
}
|
|
|
|
public boolean hasProperty(String propertyName) {
|
|
return properties.contains(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;
|
|
}
|
|
|
|
/**
|
|
* Translate request path to Exchange folder path.
|
|
*
|
|
* @return exchange folder path
|
|
* @throws IOException on error
|
|
*/
|
|
public String getExchangeFolderPath() throws IOException {
|
|
if ("users".equals(getPathElement(1))) {
|
|
return session.buildCalendarPath(getPathElement(2), getPathElement(3));
|
|
} else {
|
|
return path;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Translate request path with subFolder to Exchange folder path.
|
|
*
|
|
* @param subFolder sub folder name
|
|
* @return exchange folder path
|
|
* @throws IOException on error
|
|
*/
|
|
public String getExchangeFolderPath(String subFolder) throws IOException {
|
|
if (subFolder == null || subFolder.length() == 0) {
|
|
return getExchangeFolderPath();
|
|
} else {
|
|
return session.buildCalendarPath(getPathElement(2), subFolder);
|
|
}
|
|
}
|
|
}
|
|
|
|
protected class CaldavResponse {
|
|
Writer writer;
|
|
|
|
protected CaldavResponse(int status) 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);
|
|
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);
|
|
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\">");
|
|
}
|
|
|
|
public void startResponse(String href) throws IOException {
|
|
writer.write("<D:response>");
|
|
writer.write("<D:href>");
|
|
writer.write(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(ics.replaceAll("&", "&").replaceAll("<", "<").replaceAll(">", ">"));
|
|
writer.write("</C:calendar-data>");
|
|
}
|
|
}
|
|
|
|
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>");
|
|
}
|
|
|
|
public void close() throws IOException {
|
|
writer.close();
|
|
}
|
|
|
|
}
|
|
}
|
|
|