912 lines
40 KiB
Java
912 lines
40 KiB
Java
package davmail.caldav;
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import davmail.AbstractConnection;
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import davmail.Settings;
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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.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.auth.AuthenticationException;
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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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protected final Logger wireLogger = Logger.getLogger(this.getClass());
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protected boolean closed = false;
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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", 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 IOException("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 IOException("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 IOException("End of stream reached reading content");
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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 IOException("Invalid Keep-Alive: " + keepAliveValue);
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}
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if (keepAlive > 300) {
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keepAlive = 300;
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}
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client.setSoTimeout(keepAlive * 1000);
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DavGatewayTray.debug("Set socket timeout to " + keepAlive + " seconds");
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}
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}
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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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if (tokens.hasMoreTokens()) {
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String command = tokens.nextToken();
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Map<String, String> headers = parseHeaders();
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if (tokens.hasMoreTokens()) {
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String path = 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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// first check network connectivity
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ExchangeSessionFactory.checkConfig();
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try {
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session = ExchangeSessionFactory.getInstance(userName, password);
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} catch (AuthenticationException 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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} else {
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sendErr(HttpStatus.SC_NOT_IMPLEMENTED, "Invalid URI");
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}
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}
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os.flush();
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}
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} catch (SocketTimeoutException e) {
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DavGatewayTray.debug("Closing connection on timeout");
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} catch (SocketException e) {
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DavGatewayTray.debug("Connection closed");
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} catch (IOException e) {
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DavGatewayTray.error(e);
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try {
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sendErr(HttpStatus.SC_SERVICE_UNAVAILABLE, e);
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} catch (IOException e2) {
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DavGatewayTray.debug("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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protected int getDepth(Map<String, String> headers) {
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int result = 0;
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String depthValue = headers.get("depth");
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if (depthValue != null) {
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try {
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result = Integer.valueOf(depthValue);
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} catch (NumberFormatException e) {
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DavGatewayTray.warn("Invalid depth value: " + depthValue);
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}
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}
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return result;
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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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int depth = getDepth(headers);
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String[] paths = path.replaceAll("//", "/").split("/");
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// full debug trace
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if (wireLogger.isDebugEnabled()) {
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wireLogger.debug("Caldav command: " + command + " " + path + " depth: " + depth + "\n" + body);
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}
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CaldavRequest request = null;
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if ("PROPFIND".equals(command) || "REPORT".equals(command)) {
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request = new CaldavRequest(body);
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}
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if ("OPTIONS".equals(command)) {
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sendOptions();
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// redirect PROPFIND on / to current user principal
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} else if ("PROPFIND".equals(command) && (paths.length == 0 || paths.length == 1)) {
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sendRoot(request);
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} else if ("GET".equals(command) && (paths.length == 0 || paths.length == 1)) {
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sendGetRoot();
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// return current user calendar
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} else if ("calendar".equals(paths[1])) {
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StringBuilder message = new StringBuilder();
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message.append("/calendar no longer supported, recreate calendar with /users/")
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.append(session.getEmail()).append("/calendar");
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DavGatewayTray.error(message.toString());
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sendErr(HttpStatus.SC_BAD_REQUEST, message.toString());
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} else if ("user".equals(paths[1])) {
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sendRedirect(headers, "/principals/users/" + session.getEmail());
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// principal namespace
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} else if ("PROPFIND".equals(command) && "principals".equals(paths[1]) && paths.length == 4 &&
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"users".equals(paths[2])) {
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sendPrincipal(request, paths[3]);
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// send back principal on search
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} else if ("REPORT".equals(command) && "principals".equals(paths[1]) && paths.length == 3 &&
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"users".equals(paths[2])) {
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sendPrincipal(request, session.getEmail());
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// user root
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} else if ("PROPFIND".equals(command) && "users".equals(paths[1]) && paths.length == 3) {
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sendUserRoot(request, depth, paths[2]);
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} else if ("PROPFIND".equals(command) && "users".equals(paths[1]) && paths.length == 4 && "inbox".equals(paths[3])) {
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sendInbox(request, depth, paths[2]);
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} else if ("REPORT".equals(command) && "users".equals(paths[1]) && paths.length == 4 && "inbox".equals(paths[3])) {
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reportEvents(request, "INBOX");
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} else if ("PROPFIND".equals(command) && "users".equals(paths[1]) && paths.length == 4 && "outbox".equals(paths[3])) {
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sendOutbox(request, paths[2]);
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} else if ("POST".equals(command) && "users".equals(paths[1]) && paths.length == 4 && "outbox".equals(paths[3])) {
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if (body.indexOf("VFREEBUSY") >= 0) {
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sendFreeBusy(body);
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} else {
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int status = session.sendEvent(body);
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sendHttpResponse(status, true);
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}
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} else if ("PROPFIND".equals(command) && "users".equals(paths[1]) && paths.length == 4 && "calendar".equals(paths[3])) {
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sendCalendar(request, depth, paths[2]);
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} else if ("REPORT".equals(command) && "users".equals(paths[1]) && paths.length == 4 && "calendar".equals(paths[3])
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// only current user for now
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&& session.getEmail().equalsIgnoreCase(paths[2])) {
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reportEvents(request, "calendar");
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} else if ("PUT".equals(command) && "users".equals(paths[1]) && paths.length == 5 && "calendar".equals(paths[3])
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// only current user for now
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&& session.getEmail().equalsIgnoreCase(paths[2])) {
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String etag = headers.get("if-match");
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String noneMatch = headers.get("if-none-match");
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ExchangeSession.EventResult eventResult = session.createOrUpdateEvent(paths[4], body, 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("GetETag", eventResult.etag);
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sendHttpResponse(eventResult.status, responseHeaders, "text/html", "", true);
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} else {
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sendHttpResponse(eventResult.status, true);
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}
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} else if ("DELETE".equals(command) && "users".equals(paths[1]) && paths.length == 5
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// only current user for now
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&& session.getEmail().equalsIgnoreCase(paths[2])) {
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if ("inbox".equals(paths[3])) {
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paths[3] = "INBOX";
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}
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int status = session.deleteEvent(paths[3] + "/" + paths[4]);
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sendHttpResponse(status, true);
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} else if ("GET".equals(command) && "users".equals(paths[1]) && paths.length == 5 && "calendar".equals(paths[3])
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// only current user for now
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&& session.getEmail().equalsIgnoreCase(paths[2])) {
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ExchangeSession.Event event = session.getEvent(paths[3] + "/" + paths[4]);
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sendHttpResponse(HttpStatus.SC_OK, null, "text/calendar;charset=UTF-8", event.getICS(), true);
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} else {
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StringBuilder message = new StringBuilder();
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message.append("Unsupported request: ").append(command).append(" ").append(path);
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message.append(" Depth: ").append(depth).append("\n").append(body);
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DavGatewayTray.error(message.toString());
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sendErr(HttpStatus.SC_BAD_REQUEST, message.toString());
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}
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}
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protected void appendEventsResponses(CaldavResponse response, CaldavRequest request, String path, 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("Retrieving event " + (++count) + "/" + size);
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appendEventResponse(response, request, path, event);
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}
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}
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protected void appendEventResponse(CaldavResponse response, CaldavRequest request, String path, ExchangeSession.Event event) throws IOException {
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String eventPath = event.getPath().replaceAll("<", "<").replaceAll(">", ">");
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response.startResponse("/users/" + session.getEmail() + "/" + path + "/" + URIUtil.encodeWithinQuery(eventPath));
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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("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", eventPath);
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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, String principal, CaldavRequest request) throws IOException {
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response.startResponse("/users/" + principal + "/calendar");
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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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response.appendProperty("D:owner", "<D:href>/principals/users/" + principal + "</D:href>");
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}
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if (request.hasProperty("getetag")) {
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response.appendProperty("D:getetag", session.getCalendarEtag());
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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.getCalendarCtag()));
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}
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if (request.hasProperty("displayname")) {
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response.appendProperty("D:displayname", "calendar");
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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, String principal, CaldavRequest request) throws IOException {
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response.startResponse("/users/" + principal + "/inbox");
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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("getctag")) {
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response.appendProperty("CS:getctag", "CS=\"http://calendarserver.org/ns/\"",
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base64Encode(session.getInboxCtag()));
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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, String principal, CaldavRequest request) throws IOException {
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response.startResponse("/users/" + principal + "/outbox");
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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, int depth, String principal) throws IOException {
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CaldavResponse response = new CaldavResponse();
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response.startMultistatus();
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appendInbox(response, principal, request);
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if (depth == 1) {
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DavGatewayTray.debug("Searching calendar messages...");
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List<ExchangeSession.Event> events = session.getEventMessages();
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DavGatewayTray.debug("Found " + events.size() + " calendar messages");
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appendEventsResponses(response, request, "inbox", events);
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}
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response.endMultistatus();
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sendHttpResponse(HttpStatus.SC_MULTI_STATUS, null, response, true);
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}
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public void sendOutbox(CaldavRequest request, String principal) throws IOException {
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CaldavResponse response = new CaldavResponse();
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response.startMultistatus();
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appendOutbox(response, principal, request);
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response.endMultistatus();
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sendHttpResponse(HttpStatus.SC_MULTI_STATUS, null, response, true);
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}
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public void sendCalendar(CaldavRequest request, int depth, String principal) throws IOException {
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CaldavResponse response = new CaldavResponse();
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response.startMultistatus();
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appendCalendar(response, principal, request);
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if (depth == 1) {
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DavGatewayTray.debug("Searching calendar events...");
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List<ExchangeSession.Event> events = session.getAllEvents();
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DavGatewayTray.debug("Found " + events.size() + " calendar events");
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appendEventsResponses(response, request, "calendar", events);
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}
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response.endMultistatus();
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sendHttpResponse(HttpStatus.SC_MULTI_STATUS, null, response, true);
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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 path.substring(index + 1);
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}
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}
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public void reportEvents(CaldavRequest request, String path) throws IOException {
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List<ExchangeSession.Event> events;
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List<String> notFound = new ArrayList<String>();
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if (request.isMultiGet()) {
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events = new ArrayList<ExchangeSession.Event>();
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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("Report event " + (++count) + "/" + total);
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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 {
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events.add(session.getEvent(path + "/" + eventName));
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}
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} catch (HttpException e) {
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notFound.add(href);
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}
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}
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} else if ("INBOX".equals(path)) {
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events = session.getEventMessages();
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} else {
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events = session.getAllEvents();
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}
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CaldavResponse response = new CaldavResponse();
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response.startMultistatus();
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appendEventsResponses(response, request, path, events);
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// send not found events errors
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for (String href : notFound) {
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response.startResponse(URIUtil.encodeWithinQuery(href));
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response.appendPropstatNotFound();
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response.endResponse();
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}
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response.endMultistatus();
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sendHttpResponse(HttpStatus.SC_MULTI_STATUS, null, response, true);
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}
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public void sendUserRoot(CaldavRequest request, int depth, String principal) throws IOException {
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CaldavResponse response = new CaldavResponse();
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response.startMultistatus();
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response.startResponse("/users/" + principal);
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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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}
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if (request.hasProperty("displayname")) {
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response.appendProperty("D:displayname", principal);
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}
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response.endPropStatOK();
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if (depth == 1) {
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appendInbox(response, principal, request);
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appendOutbox(response, principal, request);
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appendCalendar(response, principal, request);
|
|
}
|
|
response.endResponse();
|
|
response.endMultistatus();
|
|
sendHttpResponse(HttpStatus.SC_MULTI_STATUS, null, response, true);
|
|
}
|
|
|
|
public void sendRoot(CaldavRequest request) throws IOException {
|
|
CaldavResponse response = new CaldavResponse();
|
|
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();
|
|
sendHttpResponse(HttpStatus.SC_MULTI_STATUS, null, response, true);
|
|
}
|
|
|
|
public void sendPrincipal(CaldavRequest request, String principal) throws IOException {
|
|
// actual principal is email address
|
|
String actualPrincipal = principal;
|
|
if (userName.equals(principal)) {
|
|
actualPrincipal = session.getEmail();
|
|
}
|
|
|
|
CaldavResponse response = new CaldavResponse();
|
|
response.startMultistatus();
|
|
response.startResponse("/principals/users/" + principal);
|
|
response.startPropstat();
|
|
|
|
if (request.hasProperty("calendar-home-set")) {
|
|
response.appendProperty("C:calendar-home-set", "<D:href>/users/" + actualPrincipal + "</D:href>");
|
|
}
|
|
|
|
if (request.hasProperty("calendar-user-address-set")) {
|
|
response.appendProperty("C:calendar-user-address-set", "<D:href>mailto:" + actualPrincipal + "</D:href>");
|
|
}
|
|
|
|
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();
|
|
sendHttpResponse(HttpStatus.SC_MULTI_STATUS, null, response, true);
|
|
}
|
|
|
|
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 IOException("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, String> freeBusyMap = new HashMap<String, String>();
|
|
for (String attendee : attendees) {
|
|
String freeBusy = session.getFreebusy(attendee, valueMap);
|
|
if (freeBusy != null) {
|
|
freeBusyMap.put(attendee, freeBusy);
|
|
}
|
|
}
|
|
if (!freeBusyMap.isEmpty()) {
|
|
CaldavResponse response = new CaldavResponse();
|
|
response.startScheduleResponse();
|
|
|
|
for (Map.Entry<String, String> entry : freeBusyMap.entrySet()) {
|
|
String attendee = entry.getKey();
|
|
response.startRecipientResponse(attendee);
|
|
|
|
StringBuilder ics = new StringBuilder();
|
|
ics.append("<C:calendar-data>BEGIN:VCALENDAR").append((char) 13).append((char) 10)
|
|
.append("VERSION:2.0").append((char) 13).append((char) 10)
|
|
.append("PRODID:-//Mozilla.org/NONSGML Mozilla 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);
|
|
if (entry.getValue().length() > 0) {
|
|
ics.append("FREEBUSY;FBTYPE=BUSY-UNAVAILABLE:").append(entry.getValue()).append("").append((char) 13).append((char) 10);
|
|
}
|
|
ics.append("END:VFREEBUSY").append((char) 13).append((char) 10)
|
|
.append("END:VCALENDAR");
|
|
response.appendCalendarData(ics.toString());
|
|
response.endRecipientResponse();
|
|
|
|
}
|
|
response.endScheduleResponse();
|
|
sendHttpResponse(HttpStatus.SC_OK, null, response, true);
|
|
} else {
|
|
sendHttpResponse(HttpStatus.SC_NOT_FOUND, null, "text/plain", "Unknown recipient: " + valueMap.get("ATTENDEE"), true);
|
|
}
|
|
|
|
}
|
|
|
|
|
|
public void sendRedirect(Map<String, String> headers, String path) throws IOException {
|
|
StringBuilder buffer = new StringBuilder();
|
|
if (headers.get("host") != null) {
|
|
buffer.append("http://").append(headers.get("host"));
|
|
}
|
|
buffer.append(path);
|
|
Map<String, String> responseHeaders = new HashMap<String, String>();
|
|
responseHeaders.put("Location", buffer.toString());
|
|
sendHttpResponse(HttpStatus.SC_MOVED_PERMANENTLY, responseHeaders, true);
|
|
}
|
|
|
|
public void sendErr(int status, Exception e) throws IOException {
|
|
String message = e.getMessage();
|
|
if (message == null) {
|
|
message = e.toString();
|
|
}
|
|
sendErr(status, message);
|
|
}
|
|
|
|
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, true);
|
|
}
|
|
|
|
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, true);
|
|
}
|
|
|
|
public void sendHttpResponse(int status, boolean keepAlive) throws IOException {
|
|
sendHttpResponse(status, null, null, (byte[]) null, keepAlive);
|
|
}
|
|
|
|
public void sendHttpResponse(int status, Map<String, String> headers, boolean keepAlive) throws IOException {
|
|
sendHttpResponse(status, headers, null, (byte[]) null, keepAlive);
|
|
}
|
|
|
|
public void sendHttpResponse(int status, Map<String, String> headers, CaldavResponse response, boolean keepAlive) throws IOException {
|
|
sendHttpResponse(status, headers, "text/xml;charset=UTF-8", response.getBytes(), keepAlive);
|
|
}
|
|
|
|
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 java.text.SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss Z", Locale.ENGLISH);
|
|
sendClient("Date: " + formatter.format(new java.util.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 {
|
|
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 java.io.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 IOException("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 IOException("Invalid credentials");
|
|
}
|
|
} else {
|
|
throw new IOException("Invalid credentials");
|
|
}
|
|
|
|
}
|
|
|
|
protected static class CaldavRequest {
|
|
protected final HashSet<String> properties = new HashSet<String>();
|
|
protected HashSet<String> hrefs;
|
|
protected boolean isMultiGet;
|
|
|
|
public CaldavRequest(String body) throws IOException {
|
|
// parse body
|
|
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>();
|
|
}
|
|
hrefs.add(URIUtil.decode(streamReader.getText()));
|
|
}
|
|
inElement = false;
|
|
}
|
|
}
|
|
} catch (XMLStreamException e) {
|
|
throw new IOException(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;
|
|
}
|
|
}
|
|
|
|
protected static class CaldavResponse {
|
|
ByteArrayOutputStream baos = new ByteArrayOutputStream();
|
|
OutputStreamWriter writer;
|
|
|
|
public CaldavResponse() throws IOException {
|
|
writer = new OutputStreamWriter(baos, "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\">");
|
|
}
|
|
|
|
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) {
|
|
ics = ics.replaceAll("&", "&").replaceAll("<", "<").replaceAll(">", ">");
|
|
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);
|
|
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);
|
|
writer.write("/>");
|
|
}
|
|
}
|
|
|
|
public void endPropStatOK() throws IOException {
|
|
writer.write("</D:prop>");
|
|
writer.write("<D:status>HTTP/1.1 200 OK</D:status>");
|
|
writer.write("</D:propstat>");
|
|
}
|
|
|
|
public void appendPropstatNotFound() throws IOException {
|
|
writer.write("<D:propstat>");
|
|
writer.write("<D:status>HTTP/1.1 404 Not Found</D:status>");
|
|
writer.write("</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>");
|
|
writer.write("<C:recipient>");
|
|
writer.write("<D:href>");
|
|
writer.write(recipient);
|
|
writer.write("</D:href>");
|
|
writer.write("</C:recipient>");
|
|
writer.write("<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 {
|
|
try {
|
|
writer.close();
|
|
} finally {
|
|
baos.close();
|
|
}
|
|
}
|
|
|
|
public byte[] getBytes() throws IOException {
|
|
close();
|
|
return baos.toByteArray();
|
|
}
|
|
}
|
|
}
|
|
|