davmail/src/java/davmail/exchange/ExchangeSession.java

2384 lines
102 KiB
Java

/*
* DavMail POP/IMAP/SMTP/CalDav/LDAP Exchange Gateway
* Copyright (C) 2009 Mickael Guessant
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package davmail.exchange;
import davmail.Settings;
import davmail.BundleMessage;
import davmail.exception.DavMailAuthenticationException;
import davmail.exception.DavMailException;
import davmail.http.DavGatewayHttpClientFacade;
import org.apache.commons.httpclient.*;
import org.apache.commons.httpclient.params.HttpClientParams;
import org.apache.commons.httpclient.methods.ByteArrayRequestEntity;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.methods.PutMethod;
import org.apache.commons.httpclient.util.URIUtil;
import org.apache.jackrabbit.webdav.MultiStatusResponse;
import org.apache.jackrabbit.webdav.client.methods.CopyMethod;
import org.apache.jackrabbit.webdav.client.methods.MoveMethod;
import org.apache.jackrabbit.webdav.client.methods.PropPatchMethod;
import org.apache.jackrabbit.webdav.property.*;
import org.apache.jackrabbit.webdav.xml.Namespace;
import org.apache.log4j.Logger;
import org.htmlcleaner.CommentToken;
import org.htmlcleaner.HtmlCleaner;
import org.htmlcleaner.TagNode;
import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import javax.mail.internet.MimePart;
import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.UnknownHostException;
import java.net.NoRouteToHostException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.*;
/**
* Exchange session through Outlook Web Access (DAV)
*/
public class ExchangeSession {
protected static final Logger LOGGER = Logger.getLogger("davmail.exchange.ExchangeSession");
/**
* Reference GMT timezone to format dates
*/
public static final SimpleTimeZone GMT_TIMEZONE = new SimpleTimeZone(0, "GMT");
protected static final int FREE_BUSY_INTERVAL = 15;
protected static final Namespace URN_SCHEMAS_HTTPMAIL = Namespace.getNamespace("urn:schemas:httpmail:");
protected static final Namespace SCHEMAS_MAPI_PROPTAG = Namespace.getNamespace("http://schemas.microsoft.com/mapi/proptag/");
protected static final DavPropertyNameSet EVENT_REQUEST_PROPERTIES = new DavPropertyNameSet();
static {
EVENT_REQUEST_PROPERTIES.add(DavPropertyName.GETETAG);
}
protected static final DavPropertyNameSet WELL_KNOWN_FOLDERS = new DavPropertyNameSet();
static {
WELL_KNOWN_FOLDERS.add(DavPropertyName.create("inbox", URN_SCHEMAS_HTTPMAIL));
WELL_KNOWN_FOLDERS.add(DavPropertyName.create("deleteditems", URN_SCHEMAS_HTTPMAIL));
WELL_KNOWN_FOLDERS.add(DavPropertyName.create("sentitems", URN_SCHEMAS_HTTPMAIL));
WELL_KNOWN_FOLDERS.add(DavPropertyName.create("sendmsg", URN_SCHEMAS_HTTPMAIL));
WELL_KNOWN_FOLDERS.add(DavPropertyName.create("drafts", URN_SCHEMAS_HTTPMAIL));
WELL_KNOWN_FOLDERS.add(DavPropertyName.create("calendar", URN_SCHEMAS_HTTPMAIL));
}
protected static final DavPropertyNameSet DISPLAY_NAME = new DavPropertyNameSet();
static {
DISPLAY_NAME.add(DavPropertyName.DISPLAYNAME);
}
protected static final DavPropertyNameSet FOLDER_PROPERTIES = new DavPropertyNameSet();
static {
FOLDER_PROPERTIES.add(DavPropertyName.create("hassubs"));
FOLDER_PROPERTIES.add(DavPropertyName.create("nosubs"));
FOLDER_PROPERTIES.add(DavPropertyName.create("unreadcount", URN_SCHEMAS_HTTPMAIL));
FOLDER_PROPERTIES.add(DavPropertyName.create("contenttag", Namespace.getNamespace("http://schemas.microsoft.com/repl/")));
}
protected static final DavPropertyNameSet CONTENT_TAG = new DavPropertyNameSet();
static {
CONTENT_TAG.add(DavPropertyName.create("contenttag", Namespace.getNamespace("http://schemas.microsoft.com/repl/")));
}
protected static final DavPropertyNameSet RESOURCE_TAG = new DavPropertyNameSet();
static {
RESOURCE_TAG.add(DavPropertyName.create("resourcetag", Namespace.getNamespace("http://schemas.microsoft.com/repl/")));
}
/**
* Various standard mail boxes Urls
*/
private String inboxUrl;
private String deleteditemsUrl;
private String sentitemsUrl;
private String sendmsgUrl;
private String draftsUrl;
private String calendarUrl;
/**
* Base user mailboxes path (used to select folder)
*/
private String mailPath;
private String email;
private String alias;
private final HttpClient httpClient;
private final ExchangeSessionFactory.PoolKey poolKey;
private boolean disableGalLookup;
private static final String YYYY_MM_DD_HH_MM_SS = "yyyy/MM/dd HH:mm:ss";
private static final String YYYYMMDD_T_HHMMSS_Z = "yyyyMMdd'T'HHmmss'Z'";
private static final String YYYY_MM_DD_T_HHMMSS_Z = "yyyy-MM-dd'T'HH:mm:ss'Z'";
/**
* Create an exchange session for the given URL.
* The session is not actually established until a call to login()
*
* @param poolKey session pool key
* @throws IOException on error
*/
ExchangeSession(ExchangeSessionFactory.PoolKey poolKey) throws IOException {
this.poolKey = poolKey;
try {
boolean isBasicAuthentication = isBasicAuthentication(poolKey.url);
// get proxy configuration from setttings properties
URL urlObject = new URL(poolKey.url);
// webdavresource is unable to create the correct url type
HttpURL httpURL;
if (poolKey.url.startsWith("http://")) {
httpURL = new HttpURL(poolKey.userName, poolKey.password,
urlObject.getHost(), urlObject.getPort());
} else if (poolKey.url.startsWith("https://")) {
httpURL = new HttpsURL(poolKey.userName, poolKey.password,
urlObject.getHost(), urlObject.getPort());
} else {
throw new DavMailException("LOG_INVALID_URL", poolKey.url);
}
httpClient = DavGatewayHttpClientFacade.getInstance(httpURL);
// avoid 401 roundtrips
httpClient.getParams().setParameter(HttpClientParams.PREEMPTIVE_AUTHENTICATION, true);
// get webmail root url
// providing credentials
// manually follow redirect
HttpMethod method = DavGatewayHttpClientFacade.executeFollowRedirects(httpClient, poolKey.url);
if (isBasicAuthentication) {
int status = method.getStatusCode();
if (status == HttpStatus.SC_UNAUTHORIZED) {
method.releaseConnection();
throw new DavMailAuthenticationException("EXCEPTION_AUTHENTICATION_FAILED");
} else if (status != HttpStatus.SC_OK) {
method.releaseConnection();
throw DavGatewayHttpClientFacade.buildHttpException(method);
}
} else {
method = formLogin(httpClient, method, poolKey.userName, poolKey.password);
}
buildMailPath(method);
// got base http mailbox http url
getWellKnownFolders();
} catch (DavMailAuthenticationException exc) {
LOGGER.error(exc.getLogMessage());
throw exc;
} catch (UnknownHostException exc) {
BundleMessage message = new BundleMessage("EXCEPTION_CONNECT", exc.getClass().getName(), exc.getMessage());
ExchangeSession.LOGGER.error(message);
throw new DavMailException("EXCEPTION_DAVMAIL_CONFIGURATION", message);
} catch (IOException exc) {
LOGGER.error(BundleMessage.formatLog("EXCEPTION_EXCHANGE_LOGIN_FAILED", exc));
throw new DavMailException("EXCEPTION_EXCHANGE_LOGIN_FAILED", exc);
}
LOGGER.debug("Session " + this + " created");
}
protected String formatSearchDate(Date date) {
SimpleDateFormat dateFormatter = new SimpleDateFormat(YYYY_MM_DD_HH_MM_SS, Locale.ENGLISH);
dateFormatter.setTimeZone(GMT_TIMEZONE);
return dateFormatter.format(date);
}
protected SimpleDateFormat getZuluDateFormat() {
SimpleDateFormat dateFormat = new SimpleDateFormat(YYYYMMDD_T_HHMMSS_Z, Locale.ENGLISH);
dateFormat.setTimeZone(GMT_TIMEZONE);
return dateFormat;
}
protected SimpleDateFormat getExchangeZuluDateFormat() {
SimpleDateFormat dateFormat = new SimpleDateFormat(YYYY_MM_DD_T_HHMMSS_Z, Locale.ENGLISH);
dateFormat.setTimeZone(GMT_TIMEZONE);
return dateFormat;
}
protected Date parseDate(String dateString) throws ParseException {
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMdd");
dateFormat.setTimeZone(GMT_TIMEZONE);
return dateFormat.parse(dateString);
}
/**
* Test if the session expired.
*
* @return true this session expired
* @throws NoRouteToHostException on error
* @throws UnknownHostException on error
*/
public boolean isExpired() throws NoRouteToHostException, UnknownHostException {
boolean isExpired = false;
try {
DavGatewayHttpClientFacade.executePropFindMethod(
httpClient, URIUtil.encodePath(inboxUrl), 0, DISPLAY_NAME);
} catch (UnknownHostException exc) {
throw exc;
} catch (NoRouteToHostException exc) {
throw exc;
} catch (IOException e) {
isExpired = true;
}
return isExpired;
}
/**
* Test authentication mode : form based or basic.
*
* @param url exchange base URL
* @return true if basic authentication detected
* @throws IOException unable to connect to exchange
*/
protected boolean isBasicAuthentication(String url) throws IOException {
return DavGatewayHttpClientFacade.getHttpStatus(url) == HttpStatus.SC_UNAUTHORIZED;
}
protected String getAbsolutePathOrUri(HttpMethod method, String path) throws URIException {
if (path == null) {
return method.getURI().getURI();
} else if (path.startsWith("/")) {
return path;
} else {
String currentPath = method.getPath();
int end = currentPath.lastIndexOf('/');
if (end >= 0) {
return currentPath.substring(0, end + 1) + path;
} else {
return path;
}
}
}
/**
* Try to find logon method path from logon form body.
*
* @param httpClient httpClient instance
* @param initmethod form body http method
* @return logon method
* @throws IOException on error
*/
protected PostMethod buildLogonMethod(HttpClient httpClient, HttpMethod initmethod) throws IOException {
PostMethod logonMethod = null;
// create an instance of HtmlCleaner
HtmlCleaner cleaner = new HtmlCleaner();
try {
TagNode node = cleaner.clean(initmethod.getResponseBodyAsStream());
List forms = node.getElementListByName("form", true);
if (forms.size() == 1) {
TagNode form = (TagNode) forms.get(0);
String logonMethodPath = form.getAttributeByName("action");
logonMethod = new PostMethod(getAbsolutePathOrUri(initmethod, logonMethodPath));
List inputList = form.getElementListByName("input", true);
for (Object input : inputList) {
String type = ((TagNode) input).getAttributeByName("type");
String name = ((TagNode) input).getAttributeByName("name");
String value = ((TagNode) input).getAttributeByName("value");
if ("hidden".equalsIgnoreCase(type) && name != null && value != null) {
logonMethod.addParameter(name, value);
}
}
} else {
List frameList = node.getElementListByName("frame", true);
if (frameList.size() == 1) {
String src = ((TagNode) frameList.get(0)).getAttributeByName("src");
if (src != null) {
LOGGER.debug("Frames detected in form page, try frame content");
initmethod.releaseConnection();
HttpMethod newInitMethod = DavGatewayHttpClientFacade.executeFollowRedirects(httpClient, src);
logonMethod = buildLogonMethod(httpClient, newInitMethod);
}
} else {
// another failover for script based logon forms (Exchange 2007)
List scriptList = node.getElementListByName("script", true);
for (Object script : scriptList) {
List contents = ((TagNode) script).getChildren();
for (Object content : contents) {
if (content instanceof CommentToken) {
String scriptValue = ((CommentToken) content).getCommentedContent();
int a_sUrlIndex = scriptValue.indexOf("var a_sUrl = \"");
int a_sLgnIndex = scriptValue.indexOf("var a_sLgn = \"");
if (a_sUrlIndex >= 0 && a_sLgnIndex >= 0) {
a_sUrlIndex += "var a_sUrl = \"".length();
a_sLgnIndex += "var a_sLgn = \"".length();
int a_sUrlEndIndex = scriptValue.indexOf('\"', a_sUrlIndex);
int a_sLgnEndIndex = scriptValue.indexOf('\"', a_sLgnIndex);
if (a_sUrlEndIndex >= 0 && a_sLgnEndIndex >= 0) {
String src = getAbsolutePathOrUri(initmethod,
scriptValue.substring(a_sLgnIndex, a_sLgnEndIndex) +
scriptValue.substring(a_sUrlIndex, a_sUrlEndIndex));
LOGGER.debug("Detected script based logon, redirect to form at " + src);
HttpMethod newInitMethod = DavGatewayHttpClientFacade.executeFollowRedirects(httpClient, src);
logonMethod = buildLogonMethod(httpClient, newInitMethod);
}
} else {
a_sLgnIndex = scriptValue.indexOf("var a_sLgnQS = \"");
if (a_sUrlIndex >= 0 && a_sLgnIndex >= 0) {
a_sUrlIndex += "var a_sUrl = \"".length();
a_sLgnIndex += "var a_sLgnQS = \"".length();
int a_sUrlEndIndex = scriptValue.indexOf('\"', a_sUrlIndex);
int a_sLgnEndIndex = scriptValue.indexOf('\"', a_sLgnIndex);
if (a_sUrlEndIndex >= 0 && a_sLgnEndIndex >= 0) {
String src = initmethod.getPath() +
scriptValue.substring(a_sLgnIndex, a_sLgnEndIndex) +
scriptValue.substring(a_sUrlIndex, a_sUrlEndIndex);
LOGGER.debug("Detected script based logon, redirect to form at " + src);
HttpMethod newInitMethod = DavGatewayHttpClientFacade.executeFollowRedirects(httpClient, src);
logonMethod = buildLogonMethod(httpClient, newInitMethod);
}
}
}
}
}
}
}
}
} catch (IOException e) {
LOGGER.error("Error parsing login form at " + initmethod.getURI());
} finally {
initmethod.releaseConnection();
}
if (logonMethod == null) {
throw new DavMailException("EXCEPTION_AUTHENTICATION_FORM_NOT_FOUND", initmethod.getURI());
}
return logonMethod;
}
protected HttpMethod formLogin(HttpClient httpClient, HttpMethod initmethod, String userName, String password) throws IOException {
LOGGER.debug("Form based authentication detected");
HttpMethod logonMethod = buildLogonMethod(httpClient, initmethod);
((PostMethod) logonMethod).addParameter("username", userName);
((PostMethod) logonMethod).addParameter("password", password);
logonMethod = DavGatewayHttpClientFacade.executeFollowRedirects(httpClient, logonMethod);
// test form based authentication
checkFormLoginQueryString(logonMethod);
// workaround for post logon script redirect
if (httpClient.getState().getCookies().length == 0) {
logonMethod = buildLogonMethod(httpClient, logonMethod);
logonMethod = DavGatewayHttpClientFacade.executeFollowRedirects(httpClient, logonMethod);
checkFormLoginQueryString(logonMethod);
}
return logonMethod;
}
protected void checkFormLoginQueryString(HttpMethod logonMethod) throws DavMailAuthenticationException {
String queryString = logonMethod.getQueryString();
if (queryString != null && queryString.contains("reason=2")) {
logonMethod.releaseConnection();
if (poolKey.userName != null && poolKey.userName.contains("\\")) {
throw new DavMailAuthenticationException("EXCEPTION_AUTHENTICATION_FAILED");
} else {
throw new DavMailAuthenticationException("EXCEPTION_AUTHENTICATION_FAILED_RETRY");
}
}
}
protected void buildMailPath(HttpMethod method) throws DavMailAuthenticationException {
// find base url
final String BASE_HREF = "<base href=\"";
String line;
// get user mail URL from html body (multi frame)
BufferedReader mainPageReader = null;
try {
mainPageReader = new BufferedReader(new InputStreamReader(method.getResponseBodyAsStream()));
//noinspection StatementWithEmptyBody
while ((line = mainPageReader.readLine()) != null && line.toLowerCase().indexOf(BASE_HREF) == -1) {
}
if (line != null) {
int start = line.toLowerCase().indexOf(BASE_HREF) + BASE_HREF.length();
int end = line.indexOf('\"', start);
String mailBoxBaseHref = line.substring(start, end);
URL baseURL = new URL(mailBoxBaseHref);
mailPath = baseURL.getPath();
LOGGER.debug("Base href found in body, mailPath is " + mailPath);
buildEmail(method.getURI().getHost(), method.getPath());
LOGGER.debug("Current user email is " + email);
} else {
// failover for Exchange 2007 : build standard mailbox link with email
buildEmail(method.getURI().getHost(), method.getPath());
mailPath = "/exchange/" + email + '/';
LOGGER.debug("Current user email is " + email + ", mailPath is " + mailPath);
}
} catch (IOException e) {
LOGGER.error("Error parsing main page at " + method.getPath(), e);
} finally {
if (mainPageReader != null) {
try {
mainPageReader.close();
} catch (IOException e) {
LOGGER.error("Error parsing main page at " + method.getPath());
}
}
method.releaseConnection();
}
if (mailPath == null || email == null) {
throw new DavMailAuthenticationException("EXCEPTION_AUTHENTICATION_FAILED_PASSWORD_EXPIRED");
}
}
protected String getPropertyIfExists(DavPropertySet properties, String name, Namespace namespace) {
DavProperty property = properties.get(name, namespace);
if (property == null) {
return null;
} else {
return (String) property.getValue();
}
}
protected String getPropertyIfExists(DavPropertySet properties, DavPropertyName davPropertyName) {
DavProperty property = properties.get(davPropertyName);
if (property == null) {
return null;
} else {
return (String) property.getValue();
}
}
protected int getIntPropertyIfExists(DavPropertySet properties, String name, Namespace namespace) {
DavProperty property = properties.get(name, namespace);
if (property == null) {
return 0;
} else {
return Integer.parseInt((String) property.getValue());
}
}
protected long getLongPropertyIfExists(DavPropertySet properties, String name, Namespace namespace) {
DavProperty property = properties.get(name, namespace);
if (property == null) {
return 0;
} else {
return Long.parseLong((String) property.getValue());
}
}
protected String getURIPropertyIfExists(DavPropertySet properties, String name, Namespace namespace) throws URIException {
DavProperty property = properties.get(name, namespace);
if (property == null) {
return null;
} else {
return URIUtil.decode((String) property.getValue());
}
}
protected void getWellKnownFolders() throws IOException {
// Retrieve well known URLs
MultiStatusResponse[] responses = DavGatewayHttpClientFacade.executePropFindMethod(
httpClient, URIUtil.encodePath(mailPath), 0, WELL_KNOWN_FOLDERS);
if (responses.length == 0) {
throw new DavMailException("EXCEPTION_UNABLE_TO_GET_MAIL_FOLDERS");
}
DavPropertySet properties = responses[0].getProperties(HttpStatus.SC_OK);
inboxUrl = getURIPropertyIfExists(properties, "inbox", URN_SCHEMAS_HTTPMAIL);
deleteditemsUrl = getURIPropertyIfExists(properties, "deleteditems", URN_SCHEMAS_HTTPMAIL);
sentitemsUrl = getURIPropertyIfExists(properties, "sentitems", URN_SCHEMAS_HTTPMAIL);
sendmsgUrl = getURIPropertyIfExists(properties, "sendmsg", URN_SCHEMAS_HTTPMAIL);
draftsUrl = getURIPropertyIfExists(properties, "drafts", URN_SCHEMAS_HTTPMAIL);
calendarUrl = getURIPropertyIfExists(properties, "calendar", URN_SCHEMAS_HTTPMAIL);
LOGGER.debug("Inbox URL : " + inboxUrl +
" Trash URL : " + deleteditemsUrl +
" Sent URL : " + sentitemsUrl +
" Send URL : " + sendmsgUrl +
" Drafts URL : " + draftsUrl +
" Calendar URL : " + calendarUrl
);
}
/**
* Create message in specified folder.
* Will overwrite an existing message with same subject in the same folder
*
* @param folderPath Exchange folder path
* @param messageName message name
* @param properties message properties (flags)
* @param messageBody mail body
* @throws IOException when unable to create message
*/
public void createMessage(String folderPath, String messageName, HashMap<String, String> properties, String messageBody) throws IOException {
String messageUrl = URIUtil.encodePathQuery(getFolderPath(folderPath) + '/' + messageName + ".EML");
PropPatchMethod patchMethod;
// create the message first as draft
if (properties.containsKey("draft")) {
patchMethod = new PropPatchMethod(messageUrl, buildProperties(properties));
try {
// update message with blind carbon copy and other flags
int statusCode = httpClient.executeMethod(patchMethod);
if (statusCode != HttpStatus.SC_MULTI_STATUS) {
throw new DavMailException("EXCEPTION_UNABLE_TO_CREATE_MESSAGE", messageUrl, statusCode, ' ', patchMethod.getStatusLine());
}
} finally {
patchMethod.releaseConnection();
}
}
PutMethod putmethod = new PutMethod(messageUrl);
putmethod.setRequestHeader("Translate", "f");
putmethod.setRequestHeader("Content-Type", "message/rfc822");
try {
// use same encoding as client socket reader
putmethod.setRequestEntity(new ByteArrayRequestEntity(messageBody.getBytes()));
int code = httpClient.executeMethod(putmethod);
if (code != HttpStatus.SC_OK && code != HttpStatus.SC_CREATED) {
throw new DavMailException("EXCEPTION_UNABLE_TO_CREATE_MESSAGE", messageUrl, code, ' ', putmethod.getStatusLine());
}
} finally {
putmethod.releaseConnection();
}
// add bcc and other properties
if (!properties.isEmpty()) {
patchMethod = new PropPatchMethod(messageUrl, buildProperties(properties));
try {
// update message with blind carbon copy and other flags
int statusCode = httpClient.executeMethod(patchMethod);
if (statusCode != HttpStatus.SC_MULTI_STATUS) {
throw new DavMailException("EXCEPTION_UNABLE_TO_PATCH_MESSAGE", messageUrl, statusCode, ' ', patchMethod.getStatusLine());
}
} finally {
patchMethod.releaseConnection();
}
}
}
protected Message buildMessage(MultiStatusResponse responseEntity) throws URIException {
Message message = new Message();
message.messageUrl = URIUtil.decode(responseEntity.getHref());
DavPropertySet properties = responseEntity.getProperties(HttpStatus.SC_OK);
message.size = getIntPropertyIfExists(properties, "x0e080003", SCHEMAS_MAPI_PROPTAG);
message.uid = getPropertyIfExists(properties, "uid", Namespace.getNamespace("DAV:"));
message.imapUid = getLongPropertyIfExists(properties, "x0e230003", SCHEMAS_MAPI_PROPTAG);
message.read = "1".equals(getPropertyIfExists(properties, "read", URN_SCHEMAS_HTTPMAIL));
message.junk = "1".equals(getPropertyIfExists(properties, "x10830003", SCHEMAS_MAPI_PROPTAG));
message.flagged = "2".equals(getPropertyIfExists(properties, "x10900003", SCHEMAS_MAPI_PROPTAG));
message.draft = "9".equals(getPropertyIfExists(properties, "x0E070003", SCHEMAS_MAPI_PROPTAG));
String x10810003 = getPropertyIfExists(properties, "x10810003", SCHEMAS_MAPI_PROPTAG);
message.answered = "102".equals(x10810003) || "103".equals(x10810003);
message.forwarded = "104".equals(x10810003);
message.date = getPropertyIfExists(properties, "date", Namespace.getNamespace("urn:schemas:mailheader:"));
message.deleted = "1".equals(getPropertyIfExists(properties, "isdeleted", Namespace.getNamespace("DAV:")));
message.messageId = getPropertyIfExists(properties, "message-id", Namespace.getNamespace("urn:schemas:mailheader:"));
if (message.messageId != null && message.messageId.startsWith("<") && message.messageId.endsWith(">")) {
message.messageId = message.messageId.substring(1, message.messageId.length() - 1);
}
return message;
}
protected List<DavProperty> buildProperties(Map<String, String> properties) {
ArrayList<DavProperty> list = new ArrayList<DavProperty>();
for (Map.Entry<String, String> entry : properties.entrySet()) {
if ("read".equals(entry.getKey())) {
list.add(new DefaultDavProperty(DavPropertyName.create("read", URN_SCHEMAS_HTTPMAIL), entry.getValue()));
} else if ("junk".equals(entry.getKey())) {
list.add(new DefaultDavProperty(DavPropertyName.create("x10830003", SCHEMAS_MAPI_PROPTAG), entry.getValue()));
} else if ("flagged".equals(entry.getKey())) {
list.add(new DefaultDavProperty(DavPropertyName.create("x10900003", SCHEMAS_MAPI_PROPTAG), entry.getValue()));
} else if ("answered".equals(entry.getKey())) {
list.add(new DefaultDavProperty(DavPropertyName.create("x10810003", SCHEMAS_MAPI_PROPTAG), entry.getValue()));
if ("102".equals(entry.getValue())) {
list.add(new DefaultDavProperty(DavPropertyName.create("x10800003", SCHEMAS_MAPI_PROPTAG), "261"));
}
} else if ("forwarded".equals(entry.getKey())) {
list.add(new DefaultDavProperty(DavPropertyName.create("x10810003", SCHEMAS_MAPI_PROPTAG), entry.getValue()));
if ("104".equals(entry.getValue())) {
list.add(new DefaultDavProperty(DavPropertyName.create("x10800003", SCHEMAS_MAPI_PROPTAG), "262"));
}
} else if ("bcc".equals(entry.getKey())) {
list.add(new DefaultDavProperty(DavPropertyName.create("bcc", Namespace.getNamespace("urn:schemas:mailheader:")), entry.getValue()));
} else if ("draft".equals(entry.getKey())) {
list.add(new DefaultDavProperty(DavPropertyName.create("x0E070003", SCHEMAS_MAPI_PROPTAG), entry.getValue()));
} else if ("deleted".equals(entry.getKey())) {
list.add(new DefaultDavProperty(DavPropertyName.create("isdeleted"), entry.getValue()));
} else if ("datereceived".equals(entry.getKey())) {
list.add(new DefaultDavProperty(DavPropertyName.create("datereceived", URN_SCHEMAS_HTTPMAIL), entry.getValue()));
}
}
return list;
}
/**
* Update given properties on message.
*
* @param message Exchange message
* @param properties Webdav properties map
* @throws IOException on error
*/
public void updateMessage(Message message, Map<String, String> properties) throws IOException {
PropPatchMethod patchMethod = new PropPatchMethod(URIUtil.encodePathQuery(message.messageUrl), buildProperties(properties));
try {
int statusCode = httpClient.executeMethod(patchMethod);
if (statusCode != HttpStatus.SC_MULTI_STATUS) {
throw new DavMailException("EXCEPTION_UNABLE_TO_UPDATE_MESSAGE");
}
} finally {
patchMethod.releaseConnection();
}
}
/**
* Return folder message list with id and size only (for POP3 listener).
*
* @param folderName Exchange folder name
* @return folder message list
* @throws IOException on error
*/
public MessageList getAllMessageUidAndSize(String folderName) throws IOException {
return searchMessages(folderName, "\"DAV:uid\", \"http://schemas.microsoft.com/mapi/proptag/x0e080003\"", "");
}
/**
* Search folder for messages matching conditions, with attributes needed by IMAP listener.
*
* @param folderName Exchange folder name
* @param conditions conditions string in Exchange SQL syntax
* @return message list
* @throws IOException on error
*/
public MessageList searchMessages(String folderName, String conditions) throws IOException {
return searchMessages(folderName, "\"DAV:uid\", \"http://schemas.microsoft.com/mapi/proptag/x0e080003\"" +
" ,\"http://schemas.microsoft.com/mapi/proptag/x0e230003\"" +
" ,\"http://schemas.microsoft.com/mapi/proptag/x10830003\", \"http://schemas.microsoft.com/mapi/proptag/x10900003\"" +
" ,\"http://schemas.microsoft.com/mapi/proptag/x0E070003\", \"http://schemas.microsoft.com/mapi/proptag/x10810003\"" +
" ,\"urn:schemas:mailheader:message-id\", \"urn:schemas:httpmail:read\", \"DAV:isdeleted\", \"urn:schemas:mailheader:date\"", conditions);
}
/**
* Search folder for messages matching conditions, with given attributes.
*
* @param folderName Exchange folder name
* @param attributes requested Webdav attributes
* @param conditions conditions string in Exchange SQL syntax
* @return message list
* @throws IOException on error
*/
public MessageList searchMessages(String folderName, String attributes, String conditions) throws IOException {
String folderUrl = getFolderPath(folderName);
MessageList messages = new MessageList();
String searchRequest = "Select " + attributes +
" FROM Scope('SHALLOW TRAVERSAL OF \"" + folderUrl + "\"')\n" +
" WHERE \"DAV:ishidden\" = False AND \"DAV:isfolder\" = False\n";
if (conditions != null) {
searchRequest += conditions;
}
searchRequest += " ORDER BY \"urn:schemas:httpmail:date\" ASC";
MultiStatusResponse[] responses = DavGatewayHttpClientFacade.executeSearchMethod(
httpClient, URIUtil.encodePath(folderUrl), searchRequest);
for (MultiStatusResponse response : responses) {
Message message = buildMessage(response);
messages.add(message);
}
Collections.sort(messages);
return messages;
}
/**
* Search folders under given folder
*
* @param folderName Exchange folder name
* @param recursive deep search if true
* @return list of folders
* @throws IOException on error
*/
public List<Folder> getSubFolders(String folderName, boolean recursive) throws IOException {
String mode = recursive ? "DEEP" : "SHALLOW";
List<Folder> folders = new ArrayList<Folder>();
String searchRequest = "Select \"DAV:nosubs\", \"DAV:hassubs\"," +
" \"DAV:hassubs\",\"urn:schemas:httpmail:unreadcount\"" +
" FROM Scope('" + mode + " TRAVERSAL OF \"" + getFolderPath(folderName) + "\"')\n" +
" WHERE \"DAV:ishidden\" = False AND \"DAV:isfolder\" = True \n" +
" AND (\"DAV:contentclass\"='urn:content-classes:mailfolder' OR \"DAV:contentclass\"='urn:content-classes:folder')";
MultiStatusResponse[] responses = DavGatewayHttpClientFacade.executeSearchMethod(
httpClient, URIUtil.encodePath(getFolderPath(folderName)), searchRequest);
for (MultiStatusResponse response : responses) {
folders.add(buildFolder(response));
}
return folders;
}
protected Folder buildFolder(MultiStatusResponse entity) throws IOException {
String href = URIUtil.decode(entity.getHref());
Folder folder = new Folder();
DavPropertySet properties = entity.getProperties(HttpStatus.SC_OK);
folder.hasChildren = "1".equals(getPropertyIfExists(properties, "hassubs", Namespace.getNamespace("DAV:")));
folder.noInferiors = "1".equals(getPropertyIfExists(properties, "nosubs", Namespace.getNamespace("DAV:")));
folder.unreadCount = getIntPropertyIfExists(properties, "unreadcount", URN_SCHEMAS_HTTPMAIL);
folder.contenttag = getPropertyIfExists(properties, "contenttag", Namespace.getNamespace("http://schemas.microsoft.com/repl/"));
if (href.endsWith("/")) {
href = href.substring(0, href.length() - 1);
}
// replace well known folder names
if (href.startsWith(inboxUrl)) {
folder.folderPath = href.replaceFirst(inboxUrl, "INBOX");
} else if (href.startsWith(sentitemsUrl)) {
folder.folderPath = href.replaceFirst(sentitemsUrl, "Sent");
} else if (href.startsWith(draftsUrl)) {
folder.folderPath = href.replaceFirst(draftsUrl, "Drafts");
} else if (href.startsWith(deleteditemsUrl)) {
folder.folderPath = href.replaceFirst(deleteditemsUrl, "Trash");
} else {
int index = href.indexOf(mailPath.substring(0, mailPath.length() - 1));
if (index >= 0) {
if (index + mailPath.length() > href.length()) {
folder.folderPath = "";
} else {
folder.folderPath = href.substring(index + mailPath.length());
}
} else {
throw new DavMailException("EXCEPTION_INVALID_FOLDER_URL", folder.folderPath);
}
}
return folder;
}
/**
* Delete oldest messages in trash.
* keepDelay is the number of days to keep messages in trash before delete
*
* @throws IOException when unable to purge messages
*/
public void purgeOldestTrashAndSentMessages() throws IOException {
int keepDelay = Settings.getIntProperty("davmail.keepDelay");
if (keepDelay != 0) {
purgeOldestFolderMessages(deleteditemsUrl, keepDelay);
}
// this is a new feature, default is : do nothing
int sentKeepDelay = Settings.getIntProperty("davmail.sentKeepDelay");
if (sentKeepDelay != 0) {
purgeOldestFolderMessages(sentitemsUrl, sentKeepDelay);
}
}
protected void purgeOldestFolderMessages(String folderUrl, int keepDelay) throws IOException {
Calendar cal = Calendar.getInstance();
cal.add(Calendar.DAY_OF_MONTH, -keepDelay);
LOGGER.debug("Delete messages in " + folderUrl + " since " + cal.getTime());
String searchRequest = "Select \"DAV:uid\"" +
" FROM Scope('SHALLOW TRAVERSAL OF \"" + folderUrl + "\"')\n" +
" WHERE \"DAV:isfolder\" = False\n" +
" AND \"DAV:getlastmodified\" < '" + formatSearchDate(cal.getTime()) + "'\n";
MultiStatusResponse[] responses = DavGatewayHttpClientFacade.executeSearchMethod(
httpClient, URIUtil.encodePath(folderUrl), searchRequest);
for (MultiStatusResponse response : responses) {
String messageUrl = URIUtil.decode(response.getHref());
LOGGER.debug("Delete " + messageUrl);
DavGatewayHttpClientFacade.executeDeleteMethod(httpClient, URIUtil.encodePath(messageUrl));
}
}
/**
* Send message in reader to recipients.
* Detect visible recipients in message body to determine bcc recipients
*
* @param recipients recipients list
* @param reader message stream
* @throws IOException on error
*/
public void sendMessage(List<String> recipients, BufferedReader reader) throws IOException {
String line = reader.readLine();
StringBuilder mailBuffer = new StringBuilder();
StringBuilder recipientBuffer = new StringBuilder();
boolean inHeader = true;
boolean inRecipientHeader = false;
while (!".".equals(line)) {
mailBuffer.append(line).append((char) 13).append((char) 10);
line = reader.readLine();
// Exchange 2007 : skip From: header
if ((inHeader && line.length() >= 5)) {
String prefix = line.substring(0, 5).toLowerCase();
if ("from:".equals(prefix)) {
line = reader.readLine();
}
}
if (inHeader && line.length() == 0) {
inHeader = false;
}
inRecipientHeader = inRecipientHeader && line.startsWith(" ");
if ((inHeader && line.length() >= 3) || inRecipientHeader) {
String prefix = line.substring(0, 3).toLowerCase();
if ("to:".equals(prefix) || "cc:".equals(prefix) || inRecipientHeader) {
inRecipientHeader = true;
recipientBuffer.append(line);
}
}
}
// remove visible recipients from list
List<String> visibleRecipients = new ArrayList<String>();
for (String recipient : recipients) {
if (recipientBuffer.indexOf(recipient) >= 0) {
visibleRecipients.add(recipient);
}
}
recipients.removeAll(visibleRecipients);
StringBuilder bccBuffer = new StringBuilder();
for (String recipient : recipients) {
if (bccBuffer.length() > 0) {
bccBuffer.append(',');
}
bccBuffer.append('<');
bccBuffer.append(recipient);
bccBuffer.append('>');
}
String bcc = bccBuffer.toString();
HashMap<String, String> properties = new HashMap<String, String>();
if (bcc.length() > 0) {
properties.put("bcc", bcc);
}
String messageName = UUID.randomUUID().toString();
createMessage("Drafts", messageName, properties, mailBuffer.toString());
String tempUrl = draftsUrl + '/' + messageName + ".EML";
MoveMethod method = new MoveMethod(URIUtil.encodePath(tempUrl), URIUtil.encodePath(sendmsgUrl), true);
int status = DavGatewayHttpClientFacade.executeHttpMethod(httpClient, method);
if (status != HttpStatus.SC_OK) {
throw DavGatewayHttpClientFacade.buildHttpException(method);
}
}
/**
* Convert logical or relative folder path to absolute folder path.
*
* @param folderName folder name
* @return folder path
*/
public String getFolderPath(String folderName) {
String folderPath;
if (folderName.startsWith("INBOX")) {
folderPath = folderName.replaceFirst("INBOX", inboxUrl);
} else if (folderName.startsWith("Trash")) {
folderPath = folderName.replaceFirst("Trash", deleteditemsUrl);
} else if (folderName.startsWith("Drafts")) {
folderPath = folderName.replaceFirst("Drafts", draftsUrl);
} else if (folderName.startsWith("Sent")) {
folderPath = folderName.replaceFirst("Sent", sentitemsUrl);
} else if (folderName.startsWith("calendar")) {
folderPath = folderName.replaceFirst("calendar", calendarUrl);
// absolute folder path
} else if (folderName.startsWith("/")) {
folderPath = folderName;
} else {
folderPath = mailPath + folderName;
}
return folderPath;
}
/**
* Get folder object.
* Folder name can be logical names INBOX, Drafts, Trash or calendar,
* or a path relative to user base folder or absolute path.
*
* @param folderName folder name
* @return Folder object
* @throws IOException on error
*/
public Folder getFolder(String folderName) throws IOException {
MultiStatusResponse[] responses = DavGatewayHttpClientFacade.executePropFindMethod(
httpClient, URIUtil.encodePath(getFolderPath(folderName)), 0, FOLDER_PROPERTIES);
Folder folder = null;
if (responses.length > 0) {
folder = buildFolder(responses[0]);
folder.folderName = folderName;
}
return folder;
}
/**
* Check folder ctag and reload messages as needed.
*
* @param currentFolder current folder
* @return current folder or new refreshed folder
* @throws IOException on error
* @deprecated no longer used: breaks Outlook IMAP
*/
public Folder refreshFolder(Folder currentFolder) throws IOException {
Folder newFolder = getFolder(currentFolder.folderName);
if (currentFolder.contenttag == null || !currentFolder.contenttag.equals(newFolder.contenttag)) {
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("Contenttag changed on " + currentFolder.folderName + ' '
+ currentFolder.contenttag + " => " + newFolder.contenttag + ", reloading messages");
}
newFolder.loadMessages();
return newFolder;
} else {
return currentFolder;
}
}
/**
* Create Exchange folder
*
* @param folderName logical folder name
* @throws IOException on error
*/
public void createFolder(String folderName) throws IOException {
String folderPath = getFolderPath(folderName);
ArrayList<DavProperty> list = new ArrayList<DavProperty>();
list.add(new DefaultDavProperty(DavPropertyName.create("outlookfolderclass", Namespace.getNamespace("http://schemas.microsoft.com/exchange/")), "IPF.Note"));
// standard MkColMethod does not take properties, override PropPatchMethod instead
PropPatchMethod method = new PropPatchMethod(URIUtil.encodePath(folderPath), list) {
@Override
public String getName() {
return "MKCOL";
}
};
int status = DavGatewayHttpClientFacade.executeHttpMethod(httpClient, method);
// ok or alredy exists
if (status != HttpStatus.SC_MULTI_STATUS && status != HttpStatus.SC_METHOD_NOT_ALLOWED) {
throw DavGatewayHttpClientFacade.buildHttpException(method);
}
}
/**
* Copy message to target folder
*
* @param message Exchange message
* @param targetFolder target folder
* @throws IOException on error
*/
public void copyMessage(Message message, String targetFolder) throws IOException {
String messageUrl = message.messageUrl;
String targetPath = getFolderPath(targetFolder) + messageUrl.substring(messageUrl.lastIndexOf('/'));
CopyMethod method = new CopyMethod(URIUtil.encodePath(messageUrl), URIUtil.encodePath(targetPath), false);
// allow rename if a message with the same name exists
method.addRequestHeader("Allow-Rename", "t");
try {
int statusCode = httpClient.executeMethod(method);
if (statusCode == HttpStatus.SC_PRECONDITION_FAILED) {
throw new DavMailException("EXCEPTION_UNABLE_TO_COPY_MESSAGE");
} else if (statusCode != HttpStatus.SC_CREATED) {
throw DavGatewayHttpClientFacade.buildHttpException(method);
}
} finally {
method.releaseConnection();
}
}
/**
* Move folder to target name.
*
* @param folderName current folder name/path
* @param targetName target folder name/path
* @throws IOException on error
*/
public void moveFolder(String folderName, String targetName) throws IOException {
String folderPath = getFolderPath(folderName);
String targetPath = getFolderPath(targetName);
MoveMethod method = new MoveMethod(URIUtil.encodePath(folderPath), URIUtil.encodePath(targetPath), false);
try {
int statusCode = httpClient.executeMethod(method);
if (statusCode == HttpStatus.SC_PRECONDITION_FAILED) {
throw new DavMailException("EXCEPTION_UNABLE_TO_MOVE_FOLDER");
} else if (statusCode != HttpStatus.SC_CREATED) {
throw DavGatewayHttpClientFacade.buildHttpException(method);
}
} finally {
method.releaseConnection();
}
}
protected void moveToTrash(String encodedPath, String encodedMessageName) throws IOException {
String source = encodedPath + '/' + encodedMessageName;
String destination = URIUtil.encodePath(deleteditemsUrl) + '/' + encodedMessageName;
LOGGER.debug("Deleting : " + source + " to " + destination);
MoveMethod method = new MoveMethod(source, destination, false);
method.addRequestHeader("Allow-rename", "t");
int status = DavGatewayHttpClientFacade.executeHttpMethod(httpClient, method);
// do not throw error if already deleted
if (status != HttpStatus.SC_CREATED && status != HttpStatus.SC_NOT_FOUND) {
throw DavGatewayHttpClientFacade.buildHttpException(method);
}
if (method.getResponseHeader("Location") != null) {
destination = method.getResponseHeader("Location").getValue();
}
LOGGER.debug("Deleted to :" + destination);
}
/**
* Exchange folder with IMAP properties
*/
public class Folder {
/**
* Logical (IMAP) folder path.
*/
public String folderPath;
/**
* Folder unread message count.
*/
public int unreadCount;
/**
* true if folder has subfolders (DAV:hassubs).
*/
public boolean hasChildren;
/**
* true if folder has no subfolders (DAV:nosubs).
*/
public boolean noInferiors;
/**
* Requested folder name
* TODO : same as folderPath ?
*/
public String folderName;
/**
* Folder content tag (to detect folder content changes).
*/
public String contenttag;
/**
* Folder message list, empty before loadMessages call.
*/
public ExchangeSession.MessageList messages;
/**
* Get IMAP folder flags.
*
* @return folder flags in IMAP format
*/
public String getFlags() {
if (noInferiors) {
return "\\NoInferiors";
} else if (hasChildren) {
return "\\HasChildren";
} else {
return "\\HasNoChildren";
}
}
/**
* Load folder messages.
*
* @throws IOException on error
*/
public void loadMessages() throws IOException {
messages = searchMessages(folderPath, "");
}
/**
* Folder message count.
*
* @return message count
*/
public int count() {
return messages.size();
}
/**
* Compute IMAP uidnext.
*
* @return max(messageuids)+1
*/
public long getUidNext() {
return messages.get(messages.size() - 1).getImapUid() + 1;
}
/**
* Get message uid at index.
*
* @param index message index
* @return message uid
*/
public long getImapUid(int index) {
return messages.get(index).getImapUid();
}
/**
* Get message at index.
*
* @param index message index
* @return message
*/
public Message get(int index) {
return messages.get(index);
}
}
/**
* Exchange message.
*/
public class Message implements Comparable {
protected String messageUrl;
/**
* Message uid.
*/
protected String uid;
/**
* Message IMAP uid, unique in folder (x0e230003).
*/
protected long imapUid;
/**
* MAPI message size.
*/
public int size;
/**
* Mail header message-id.
*/
protected String messageId;
/**
* Message date (urn:schemas:mailheader:date).
*/
public String date;
/**
* Message flag: read.
*/
public boolean read;
/**
* Message flag: deleted.
*/
public boolean deleted;
/**
* Message flag: junk.
*/
public boolean junk;
/**
* Message flag: flagged.
*/
public boolean flagged;
/**
* Message flag: draft.
*/
public boolean draft;
/**
* Message flag: answered.
*/
public boolean answered;
/**
* Message flag: fowarded.
*/
public boolean forwarded;
/**
* IMAP uid , unique in folder (x0e230003)
*
* @return IMAP uid
*/
public long getImapUid() {
return imapUid;
}
/**
* Exchange uid.
*
* @return uid
*/
public String getUid() {
return uid;
}
/**
* Return message flags in IMAP format.
*
* @return IMAP flags
*/
public String getImapFlags() {
StringBuilder buffer = new StringBuilder();
if (read) {
buffer.append("\\Seen ");
}
if (deleted) {
buffer.append("\\Deleted ");
}
if (flagged) {
buffer.append("\\Flagged ");
}
if (junk) {
buffer.append("Junk ");
}
if (draft) {
buffer.append("\\Draft ");
}
if (answered) {
buffer.append("\\Answered ");
}
if (forwarded) {
buffer.append("$Forwarded ");
}
return buffer.toString().trim();
}
/**
* Write MIME message to os
*
* @param os output stream
* @throws IOException on error
*/
public void write(OutputStream os) throws IOException {
HttpMethod method = null;
BufferedReader reader = null;
try {
method = new GetMethod(URIUtil.encodePath(messageUrl));
method.setRequestHeader("Content-Type", "text/xml; charset=utf-8");
method.setRequestHeader("Translate", "f");
httpClient.executeMethod(method);
reader = new BufferedReader(new InputStreamReader(method.getResponseBodyAsStream()));
OutputStreamWriter isoWriter = new OutputStreamWriter(os);
String line;
while ((line = reader.readLine()) != null) {
if (".".equals(line)) {
line = "..";
// patch text/calendar to include utf-8 encoding
} else if ("Content-Type: text/calendar;".equals(line)) {
StringBuilder headerBuffer = new StringBuilder();
headerBuffer.append(line);
while ((line = reader.readLine()) != null && line.startsWith("\t")) {
headerBuffer.append((char) 13);
headerBuffer.append((char) 10);
headerBuffer.append(line);
}
if (headerBuffer.indexOf("charset") < 0) {
headerBuffer.append(";charset=utf-8");
}
headerBuffer.append((char) 13);
headerBuffer.append((char) 10);
headerBuffer.append(line);
line = headerBuffer.toString();
}
isoWriter.write(line);
isoWriter.write((char) 13);
isoWriter.write((char) 10);
}
isoWriter.flush();
} finally {
if (reader != null) {
try {
reader.close();
} catch (IOException e) {
LOGGER.warn("Error closing message input stream", e);
}
}
if (method != null) {
method.releaseConnection();
}
}
}
/**
* Delete message.
*
* @throws IOException on error
*/
public void delete() throws IOException {
DavGatewayHttpClientFacade.executeDeleteMethod(httpClient, URIUtil.encodePath(messageUrl));
}
/**
* Move message to trash, mark message read.
*
* @throws IOException on error
*/
public void moveToTrash() throws IOException {
// mark message as read
HashMap<String, String> properties = new HashMap<String, String>();
properties.put("read", "1");
updateMessage(this, properties);
int index = messageUrl.lastIndexOf('/');
if (index < 0) {
throw new DavMailException("EXCEPTION_INVALID_MESSAGE_URL", messageUrl);
}
String encodedPath = URIUtil.encodePath(messageUrl.substring(0, index));
String encodedMessageName = URIUtil.encodePath(messageUrl.substring(index + 1));
ExchangeSession.this.moveToTrash(encodedPath, encodedMessageName);
}
/**
* Comparator to sort messages by IMAP uid
*
* @param message other message
* @return imapUid comparison result
*/
public int compareTo(Object message) {
long compareValue = (imapUid - ((Message) message).imapUid);
if (compareValue > 0) {
return 1;
} else if (compareValue < 0) {
return -1;
} else {
return 0;
}
}
/**
* Override equals, compare IMAP uids
*
* @param message other message
* @return true if IMAP uids are equal
*/
@Override
public boolean equals(Object message) {
return message instanceof Message && imapUid == ((Message) message).imapUid;
}
/**
* Override hashCode, return imapUid hashcode.
*
* @return imapUid hashcode
*/
@Override
public int hashCode() {
return (int) (imapUid ^ (imapUid >>> 32));
}
}
/**
* Message list
*/
public static class MessageList extends ArrayList<Message> {
}
public class Event {
protected String href;
protected String etag;
protected MimePart getCalendarMimePart(MimeMultipart multiPart) throws IOException, MessagingException {
MimePart bodyPart = null;
for (int i = 0; i < multiPart.getCount(); i++) {
String contentType = multiPart.getBodyPart(i).getContentType();
if (contentType.startsWith("text/calendar") || contentType.startsWith("application/ics")) {
bodyPart = (MimePart) multiPart.getBodyPart(i);
break;
} else if (contentType.startsWith("multipart")) {
Object content = multiPart.getBodyPart(i).getContent();
if (content instanceof MimeMultipart) {
bodyPart = getCalendarMimePart((MimeMultipart) content);
}
}
}
return bodyPart;
}
public String getICS() throws IOException {
String result = null;
LOGGER.debug("Get event: " + href);
GetMethod method = new GetMethod(URIUtil.encodePath(href));
method.setRequestHeader("Content-Type", "text/xml; charset=utf-8");
method.setRequestHeader("Translate", "f");
try {
int status = httpClient.executeMethod(method);
if (status != HttpStatus.SC_OK) {
LOGGER.warn("Unable to get event at " + href + " status: " + status);
}
MimeMessage mimeMessage = new MimeMessage(null, method.getResponseBodyAsStream());
Object mimeBody = mimeMessage.getContent();
MimePart bodyPart;
if (mimeBody instanceof MimeMultipart) {
bodyPart = getCalendarMimePart((MimeMultipart) mimeBody);
} else {
// no multipart, single body
bodyPart = mimeMessage;
}
if (bodyPart == null) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
mimeMessage.getDataHandler().writeTo(baos);
baos.close();
throw new DavMailException("EXCEPTION_INVALID_MESSAGE_CONTENT", new String(baos.toByteArray(), "UTF-8"));
}
ByteArrayOutputStream baos = new ByteArrayOutputStream();
bodyPart.getDataHandler().writeTo(baos);
baos.close();
result = fixICS(new String(baos.toByteArray(), "UTF-8"), true);
} catch (MessagingException e) {
throw new DavMailException("EXCEPTION_INVALID_MESSAGE_CONTENT", e.getMessage());
} finally {
method.releaseConnection();
}
return result;
}
public String getPath() {
int index = href.lastIndexOf('/');
if (index >= 0) {
return href.substring(index + 1);
} else {
return href;
}
}
public String getEtag() {
return etag;
}
}
public List<Event> getEventMessages(String folderPath) throws IOException {
String searchQuery = "Select \"DAV:getetag\"" +
" FROM Scope('SHALLOW TRAVERSAL OF \"" + folderPath + "\"')\n" +
" WHERE \"DAV:contentclass\" = 'urn:content-classes:calendarmessage'\n" +
" AND (NOT \"CALDAV:schedule-state\" = 'CALDAV:schedule-processed')\n" +
" ORDER BY \"urn:schemas:calendar:dtstart\" DESC\n";
return getEvents(folderPath, searchQuery);
}
public List<Event> getAllEvents(String folderPath) throws IOException {
int caldavPastDelay = Settings.getIntProperty("davmail.caldavPastDelay", Integer.MAX_VALUE);
String dateCondition = "";
if (caldavPastDelay != Integer.MAX_VALUE) {
Calendar cal = Calendar.getInstance();
cal.add(Calendar.DAY_OF_MONTH, -caldavPastDelay);
dateCondition = " AND \"urn:schemas:calendar:dtstart\" > '" + formatSearchDate(cal.getTime()) + "'\n";
}
String searchQuery = "Select \"DAV:getetag\"" +
" FROM Scope('SHALLOW TRAVERSAL OF \"" + folderPath + "\"')\n" +
" WHERE (" +
" \"urn:schemas:calendar:instancetype\" is null OR" +
" \"urn:schemas:calendar:instancetype\" = 1\n" +
" OR (\"urn:schemas:calendar:instancetype\" = 0\n" +
dateCondition +
" )) AND \"DAV:contentclass\" = 'urn:content-classes:appointment'\n" +
" ORDER BY \"urn:schemas:calendar:dtstart\" DESC\n";
return getEvents(folderPath, searchQuery);
}
public List<Event> getEvents(String path, String searchQuery) throws IOException {
List<Event> events = new ArrayList<Event>();
MultiStatusResponse[] responses = DavGatewayHttpClientFacade.executeSearchMethod(httpClient, URIUtil.encodePath(path), searchQuery);
for (MultiStatusResponse response : responses) {
events.add(buildEvent(response));
}
return events;
}
public Event getEvent(String path, String eventName) throws IOException {
String eventPath = URIUtil.encodePath(path + '/' + eventName);
MultiStatusResponse[] responses = DavGatewayHttpClientFacade.executePropFindMethod(httpClient, eventPath, 0, EVENT_REQUEST_PROPERTIES);
if (responses.length == 0) {
throw new DavMailException("EXCEPTION_EVENT_NOT_FOUND");
}
return buildEvent(responses[0]);
}
protected Event buildEvent(MultiStatusResponse calendarResponse) throws URIException {
Event event = new Event();
String href = calendarResponse.getHref();
event.href = URIUtil.decode(href);
event.etag = getPropertyIfExists(calendarResponse.getProperties(HttpStatus.SC_OK), "getetag", Namespace.getNamespace("DAV:"));
return event;
}
protected String fixICS(String icsBody, boolean fromServer) throws IOException {
// first pass : detect
class AllDayState {
boolean isAllDay;
boolean hasCdoAllDay;
boolean isCdoAllDay;
}
// Convert event class from and to iCal
// See https://trac.calendarserver.org/browser/CalendarServer/trunk/doc/Extensions/caldav-privateevents.txt
boolean isAppleiCal = false;
boolean hasOrganizer = false;
boolean hasAttendee = false;
String eventClass = null;
List<AllDayState> allDayStates = new ArrayList<AllDayState>();
AllDayState currentAllDayState = new AllDayState();
BufferedReader reader = null;
try {
reader = new ICSBufferedReader(new StringReader(icsBody));
String line;
while ((line = reader.readLine()) != null) {
int index = line.indexOf(':');
if (index >= 0) {
String key = line.substring(0, index);
String value = line.substring(index + 1);
if ("DTSTART;VALUE=DATE".equals(key)) {
currentAllDayState.isAllDay = true;
} else if ("X-MICROSOFT-CDO-ALLDAYEVENT".equals(key)) {
currentAllDayState.hasCdoAllDay = true;
currentAllDayState.isCdoAllDay = "TRUE".equals(value);
} else if ("END:VEVENT".equals(line)) {
allDayStates.add(currentAllDayState);
currentAllDayState = new AllDayState();
} else if ("PRODID".equals(key) && line.contains("iCal")) {
isAppleiCal = true;
} else if (isAppleiCal && "X-CALENDARSERVER-ACCESS".equals(key)) {
eventClass = value;
} else if (!isAppleiCal && "CLASS".equals(key)) {
eventClass = value;
} else if (key.startsWith("ATTENDEE")) {
hasAttendee = true;
} else if (key.startsWith("ORGANIZER")) {
hasOrganizer = true;
}
}
}
} finally {
if (reader != null) {
reader.close();
}
}
// second pass : fix
int count = 0;
ICSBufferedWriter result = new ICSBufferedWriter();
try {
reader = new ICSBufferedReader(new StringReader(icsBody));
String line;
while ((line = reader.readLine()) != null) {
if (!fromServer && currentAllDayState.isAllDay && "X-MICROSOFT-CDO-ALLDAYEVENT:FALSE".equals(line)) {
line = "X-MICROSOFT-CDO-ALLDAYEVENT:TRUE";
} else if (!fromServer && "END:VEVENT".equals(line) && currentAllDayState.isAllDay && !currentAllDayState.hasCdoAllDay) {
result.writeLine("X-MICROSOFT-CDO-ALLDAYEVENT:TRUE");
} else if (!fromServer && !currentAllDayState.isAllDay && "X-MICROSOFT-CDO-ALLDAYEVENT:TRUE".equals(line)) {
line = "X-MICROSOFT-CDO-ALLDAYEVENT:FALSE";
} else if (fromServer && currentAllDayState.isCdoAllDay && line.startsWith("DTSTART") && !line.startsWith("DTSTART;VALUE=DATE")) {
line = getAllDayLine(line);
} else if (fromServer && currentAllDayState.isCdoAllDay && line.startsWith("DTEND") && !line.startsWith("DTEND;VALUE=DATE")) {
line = getAllDayLine(line);
} else if ("BEGIN:VEVENT".equals(line)) {
currentAllDayState = allDayStates.get(count++);
} else if (line.startsWith("X-CALENDARSERVER-ACCESS:")) {
if (!isAppleiCal) {
continue;
} else {
if ("CONFIDENTIAL".equalsIgnoreCase(eventClass)) {
result.writeLine("CLASS:PRIVATE");
} else if ("PRIVATE".equalsIgnoreCase(eventClass)) {
result.writeLine("CLASS:CONFIDENTIAL");
} else {
result.writeLine("CLASS:" + eventClass);
}
}
} else if (line.startsWith("EXDATE;TZID=") || line.startsWith("EXDATE:")) {
// Apple iCal doesn't support EXDATE with multiple exceptions
// on one line. Split into multiple EXDATE entries (which is
// also legal according to the caldav standard).
splitExDate(result, line);
continue;
} else if (line.startsWith("X-ENTOURAGE_UUID:")) {
// Apple iCal doesn't understand this key, and it's entourage
// specific (i.e. not needed by any caldav client): strip it out
continue;
} else if (line.startsWith("CLASS:")) {
if (isAppleiCal) {
continue;
} else {
if ("PRIVATE".equalsIgnoreCase(eventClass)) {
result.writeLine("X-CALENDARSERVER-ACCESS:CONFIDENTIAL");
} else if ("CONFIDENTIAL".equalsIgnoreCase(eventClass)) {
result.writeLine("X-CALENDARSERVER-ACCESS:PRIVATE");
} else {
result.writeLine("X-CALENDARSERVER-ACCESS:" + eventClass);
}
}
// remove organizer line if event has no attendees for iPhone
} else if (fromServer && line.startsWith("ORGANIZER") && !hasAttendee) {
continue;
// add organizer line to all events created in Exchange for active sync
} else if (!fromServer && "END:VEVENT".equals(line) && !hasOrganizer) {
result.writeLine("ORGANIZER:MAILTO:" + email);
}
result.writeLine(line);
}
} finally {
reader.close();
}
return result.toString();
}
protected void splitExDate(ICSBufferedWriter result, String line) {
int cur = line.lastIndexOf(':') + 1;
String start = line.substring(0, cur);
for (int next = line.indexOf(',', cur); next != -1; next = line.indexOf(',', cur)) {
String val = line.substring(cur, next);
result.writeLine(start + val);
cur = next + 1;
}
result.writeLine(start + line.substring(cur));
}
protected String getAllDayLine(String line) throws IOException {
int keyIndex = line.indexOf(';');
int valueIndex = line.lastIndexOf(':');
int valueEndIndex = line.lastIndexOf('T');
if (valueIndex < 0 || valueEndIndex < 0) {
throw new DavMailException("EXCEPTION_INVALID_ICS_LINE", line);
}
String dateValue = line.substring(valueIndex + 1, valueEndIndex);
String key = line.substring(0, Math.max(keyIndex, valueIndex));
return key + ";VALUE=DATE:" + dateValue;
}
public static class EventResult {
public int status;
public String etag;
}
public int sendEvent(String icsBody) throws IOException {
String messageUrl = URIUtil.encodePathQuery(draftsUrl + '/' + UUID.randomUUID().toString() + ".EML");
int status = internalCreateOrUpdateEvent(messageUrl, "urn:content-classes:calendarmessage", icsBody, null, null).status;
if (status != HttpStatus.SC_CREATED) {
return status;
} else {
MoveMethod method = new MoveMethod(URIUtil.encodePath(messageUrl), URIUtil.encodePath(sendmsgUrl), true);
status = DavGatewayHttpClientFacade.executeHttpMethod(httpClient, method);
if (status != HttpStatus.SC_OK) {
throw DavGatewayHttpClientFacade.buildHttpException(method);
}
return status;
}
}
public EventResult createOrUpdateEvent(String path, String eventName, String icsBody, String etag, String noneMatch) throws IOException {
String messageUrl = URIUtil.encodePath(path + '/' + eventName);
return internalCreateOrUpdateEvent(messageUrl, "urn:content-classes:appointment", icsBody, etag, noneMatch);
}
protected String getICSMethod(String icsBody) {
int methodIndex = icsBody.indexOf("METHOD:");
if (methodIndex < 0) {
return "REQUEST";
}
int startIndex = methodIndex + "METHOD:".length();
int endIndex = icsBody.indexOf('\r', startIndex);
if (endIndex < 0) {
return "REQUEST";
}
return icsBody.substring(startIndex, endIndex);
}
static class Participants {
String attendees;
String organizer;
}
/**
* Parse ics event for attendees and organizer.
* For notifications, only include attendees with RSVP=TRUE or PARTSTAT=NEEDS-ACTION
*
* @param icsBody ics event
* @param isNotification get only notified attendees
* @return participants
* @throws IOException on error
*/
protected Participants getParticipants(String icsBody, boolean isNotification) throws IOException {
HashSet<String> attendees = new HashSet<String>();
String organizer = null;
BufferedReader reader = null;
try {
reader = new ICSBufferedReader(new StringReader(icsBody));
String line;
while ((line = reader.readLine()) != null) {
int index = line.indexOf(':');
if (index >= 0) {
String key = line.substring(0, index);
String value = line.substring(index + 1);
int semiColon = key.indexOf(';');
if (semiColon >= 0) {
key = key.substring(0, semiColon);
}
if ("ORGANIZER".equals(key) || "ATTENDEE".equals(key)) {
int colonIndex = value.indexOf(':');
if (colonIndex >= 0) {
value = value.substring(colonIndex + 1);
}
if ("ORGANIZER".equals(key)) {
organizer = value;
// exclude current user and invalid values from recipients
// also exclude no action attendees
} else if (!email.equalsIgnoreCase(value) && value.indexOf('@') >= 0
&& (!isNotification
|| line.indexOf("RSVP=TRUE") >= 0
|| line.indexOf("PARTSTAT=NEEDS-ACTION") >= 0)) {
attendees.add(value);
}
}
}
}
} finally {
if (reader != null) {
reader.close();
}
}
Participants participants = new Participants();
StringBuilder result = new StringBuilder();
for (String recipient : attendees) {
if (result.length() > 0) {
result.append(", ");
}
result.append(recipient);
}
participants.attendees = result.toString();
participants.organizer = organizer;
return participants;
}
protected EventResult internalCreateOrUpdateEvent(String messageUrl, String contentClass, String icsBody, String etag, String noneMatch) throws IOException {
String uid = UUID.randomUUID().toString();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
OutputStreamWriter writer = new OutputStreamWriter(baos, "ASCII");
int status = 0;
PutMethod putmethod = new PutMethod(messageUrl);
putmethod.setRequestHeader("Translate", "f");
putmethod.setRequestHeader("Overwrite", "f");
if (etag != null) {
putmethod.setRequestHeader("If-Match", etag);
}
if (noneMatch != null) {
putmethod.setRequestHeader("If-None-Match", noneMatch);
}
putmethod.setRequestHeader("Content-Type", "message/rfc822");
String method = getICSMethod(icsBody);
writer.write("Content-Transfer-Encoding: 7bit\r\n" +
"Content-class: ");
writer.write(contentClass);
writer.write("\r\n");
if ("urn:content-classes:calendarmessage".equals(contentClass)) {
// need to parse attendees and organizer to build recipients
Participants participants = getParticipants(icsBody, true);
String recipients;
if (email.equalsIgnoreCase(participants.organizer)) {
// current user is organizer => notify all
recipients = participants.attendees;
} else {
// notify only organizer
recipients = participants.organizer;
}
writer.write("To: ");
writer.write(recipients);
writer.write("\r\n");
// do not send notification if no recipients found
if (recipients.length() == 0) {
status = HttpStatus.SC_NO_CONTENT;
}
} else {
// need to parse attendees and organizer to build recipients
Participants participants = getParticipants(icsBody, false);
// storing appointment, full recipients header
if (participants.attendees != null) {
writer.write("To: ");
writer.write(participants.attendees);
writer.write("\r\n");
}
if (participants.organizer != null) {
writer.write("From: ");
writer.write(participants.organizer);
writer.write("\r\n");
}
// if not organizer, set REPLYTIME to force Outlook in attendee mode
if (participants.organizer != null && !email.equalsIgnoreCase(participants.organizer)) {
if (icsBody.indexOf("METHOD:") < 0) {
icsBody = icsBody.replaceAll("BEGIN:VCALENDAR", "BEGIN:VCALENDAR\r\nMETHOD:REQUEST");
}
if (icsBody.indexOf("X-MICROSOFT-CDO-REPLYTIME") < 0) {
icsBody = icsBody.replaceAll("END:VEVENT", "X-MICROSOFT-CDO-REPLYTIME:" +
getZuluDateFormat().format(new Date()) + "\r\nEND:VEVENT");
}
}
}
writer.write("MIME-Version: 1.0\r\n" +
"Content-Type: multipart/alternative;\r\n" +
"\tboundary=\"----=_NextPart_");
writer.write(uid);
writer.write("\"\r\n" +
"\r\n" +
"This is a multi-part message in MIME format.\r\n" +
"\r\n" +
"------=_NextPart_");
writer.write(uid);
writer.write("\r\n" +
"Content-class: ");
writer.write(contentClass);
writer.write("\r\n" +
"Content-Type: text/calendar;\r\n" +
"\tmethod=");
writer.write(method);
writer.write(";\r\n" +
"\tcharset=\"utf-8\"\r\n" +
"Content-Transfer-Encoding: 8bit\r\n\r\n");
writer.flush();
baos.write(fixICS(icsBody, false).getBytes("UTF-8"));
writer.write("------=_NextPart_");
writer.write(uid);
writer.write("--\r\n");
writer.close();
putmethod.setRequestEntity(new ByteArrayRequestEntity(baos.toByteArray(), "message/rfc822"));
try {
if (status == 0) {
status = httpClient.executeMethod(putmethod);
if (status == HttpURLConnection.HTTP_OK) {
if (etag != null) {
LOGGER.debug("Updated event " + messageUrl);
} else {
LOGGER.warn("Overwritten event " + messageUrl);
}
} else if (status != HttpURLConnection.HTTP_CREATED) {
LOGGER.warn("Unable to create or update message " + status + ' ' + putmethod.getStatusLine());
}
}
} finally {
putmethod.releaseConnection();
}
EventResult eventResult = new EventResult();
eventResult.status = status;
if (putmethod.getResponseHeader("GetETag") != null) {
eventResult.etag = putmethod.getResponseHeader("GetETag").getValue();
}
return eventResult;
}
public void deleteFolder(String path) throws IOException {
DavGatewayHttpClientFacade.executeDeleteMethod(httpClient, URIUtil.encodePath(getFolderPath(path)));
}
public int deleteEvent(String path, String eventName) throws IOException {
String eventPath = URIUtil.encodePath(path + '/' + eventName);
int status;
if (inboxUrl.endsWith(path)) {
// do not delete calendar messages, mark read and processed
ArrayList<DavProperty> list = new ArrayList<DavProperty>();
list.add(new DefaultDavProperty(DavPropertyName.create("schedule-state", Namespace.getNamespace("CALDAV:")), "CALDAV:schedule-processed"));
list.add(new DefaultDavProperty(DavPropertyName.create("read", URN_SCHEMAS_HTTPMAIL), "1"));
PropPatchMethod patchMethod = new PropPatchMethod(eventPath, list);
DavGatewayHttpClientFacade.executeMethod(httpClient, patchMethod);
status = HttpStatus.SC_OK;
} else {
status = DavGatewayHttpClientFacade.executeDeleteMethod(httpClient, eventPath);
}
return status;
}
public String getFolderCtag(String folderPath) throws IOException {
return getFolderProperty(folderPath, CONTENT_TAG);
}
public String getFolderResourceTag(String folderPath) throws IOException {
return getFolderProperty(folderPath, RESOURCE_TAG);
}
public String getFolderProperty(String folderPath, DavPropertyNameSet davPropertyNameSet) throws IOException {
String result;
MultiStatusResponse[] responses = DavGatewayHttpClientFacade.executePropFindMethod(
httpClient, URIUtil.encodePath(folderPath), 0, davPropertyNameSet);
if (responses.length == 0) {
throw new DavMailException("EXCEPTION_UNABLE_TO_GET_FOLDER", folderPath);
}
DavPropertySet properties = responses[0].getProperties(HttpStatus.SC_OK);
DavPropertyName davPropertyName = davPropertyNameSet.iterator().nextPropertyName();
result = getPropertyIfExists(properties, davPropertyName);
if (result == null) {
throw new DavMailException("EXCEPTION_UNABLE_TO_GET_PROPERTY", davPropertyName);
}
return result;
}
/**
* Get current Exchange alias name from login name
*
* @return user name
*/
protected String getAliasFromLogin() {
// Exchange 2007 : userName is login without domain
String userName = poolKey.userName;
int index = userName.indexOf('\\');
if (index >= 0) {
userName = userName.substring(index + 1);
}
return userName;
}
/**
* Get current Exchange alias name from mailbox name
*
* @return user name
*/
protected String getAliasFromMailPath() {
if (mailPath == null) {
return null;
}
int index = mailPath.lastIndexOf('/', mailPath.length() - 2);
if (index >= 0 && mailPath.endsWith("/")) {
return mailPath.substring(index + 1, mailPath.length() - 1);
} else {
LOGGER.warn(new BundleMessage("EXCEPTION_INVALID_MAIL_PATH", mailPath));
return null;
}
}
public String getAliasFromMailboxDisplayName() {
if (mailPath == null) {
return null;
}
String displayName = null;
try {
MultiStatusResponse[] responses = DavGatewayHttpClientFacade.executePropFindMethod(
httpClient, URIUtil.encodePath(mailPath), 0, DISPLAY_NAME);
if (responses.length == 0) {
LOGGER.warn(new BundleMessage("EXCEPTION_UNABLE_TO_GET_MAIL_FOLDER"));
} else {
displayName = getPropertyIfExists(responses[0].getProperties(HttpStatus.SC_OK), "displayname", Namespace.getNamespace("DAV:"));
}
} catch (IOException e) {
LOGGER.warn(new BundleMessage("EXCEPTION_UNABLE_TO_GET_MAIL_FOLDER"));
}
return displayName;
}
public String buildCalendarPath(String principal, String folderName) throws IOException {
StringBuilder buffer = new StringBuilder();
if (principal != null && !alias.equals(principal) && !email.equals(principal)) {
int index = mailPath.lastIndexOf('/', mailPath.length() - 2);
if (index >= 0 && mailPath.endsWith("/")) {
buffer.append(mailPath.substring(0, index + 1)).append(principal).append('/');
} else {
throw new DavMailException("EXCEPTION_INVALID_MAIL_PATH", mailPath);
}
} else if (principal != null) {
buffer.append(mailPath);
}
if ("calendar".equals(folderName)) {
buffer.append(calendarUrl.substring(calendarUrl.lastIndexOf('/') + 1));
} else if ("inbox".equals(folderName)) {
buffer.append(inboxUrl.substring(inboxUrl.lastIndexOf('/') + 1));
} else if (folderName != null && folderName.length() > 0) {
buffer.append(folderName);
}
return buffer.toString();
}
/**
* Build base path for cmd commands (galfind, gallookup).
* This does not work with freebusy, which requires /public/
*
* @return cmd base path
*/
public String getCmdBasePath() {
if (mailPath == null) {
return "/public/";
} else {
return mailPath;
}
}
public String getEmail(String alias) {
String emailResult = null;
if (alias != null) {
GetMethod getMethod = null;
String path = null;
try {
path = getCmdBasePath() + "?Cmd=galfind&AN=" + URIUtil.encodeWithinQuery(alias);
getMethod = new GetMethod(path);
int status = httpClient.executeMethod(getMethod);
if (status != HttpStatus.SC_OK) {
throw new DavMailException("EXCEPTION_UNABLE_TO_GET_EMAIL", getMethod.getPath());
}
Map<String, Map<String, String>> results = XMLStreamUtil.getElementContentsAsMap(getMethod.getResponseBodyAsStream(), "item", "AN");
Map<String, String> result = results.get(alias.toLowerCase());
if (result != null) {
emailResult = result.get("EM");
}
} catch (IOException e) {
LOGGER.debug("GET " + path + " failed: " + e + ' ' + e.getMessage());
} finally {
if (getMethod != null) {
getMethod.releaseConnection();
}
}
}
return emailResult;
}
public void buildEmail(String hostName, String methodPath) {
// first try to get email from login name
alias = getAliasFromLogin();
email = getEmail(alias);
// failover: use mailbox name as alias
if (email == null) {
alias = getAliasFromMailPath();
email = getEmail(alias);
}
// another failover : get alias from mailPath display name
if (email == null) {
alias = getAliasFromMailboxDisplayName();
email = getEmail(alias);
}
if (email == null) {
// failover : get email from Exchange 2007 Options page
alias = getAliasFromOptions(methodPath);
email = getEmail(alias);
// failover: get email from options
if (alias != null && email == null) {
email = getEmailFromOptions(methodPath);
}
}
if (email == null) {
LOGGER.debug("Unable to get user email with alias " + getAliasFromLogin()
+ " or " + getAliasFromMailPath()
+ " or " + getAliasFromOptions(methodPath)
);
// last failover: build email from domain name and mailbox display name
StringBuilder buffer = new StringBuilder();
// most reliable alias
alias = getAliasFromMailboxDisplayName();
if (alias == null) {
alias = getAliasFromLogin();
}
if (alias != null) {
buffer.append(alias);
buffer.append('@');
int dotIndex = hostName.indexOf('.');
if (dotIndex >= 0) {
buffer.append(hostName.substring(dotIndex + 1));
}
}
email = buffer.toString();
}
}
protected String getAliasFromOptions(String path) {
String result = null;
// get user mail URL from html body
BufferedReader optionsPageReader = null;
GetMethod optionsMethod = new GetMethod(path + "?ae=Options&t=About");
try {
httpClient.executeMethod(optionsMethod);
optionsPageReader = new BufferedReader(new InputStreamReader(optionsMethod.getResponseBodyAsStream()));
String line;
// find mailbox full name
final String MAILBOX_BASE = "cn=recipients/cn=";
//noinspection StatementWithEmptyBody
while ((line = optionsPageReader.readLine()) != null && line.toLowerCase().indexOf(MAILBOX_BASE) == -1) {
}
if (line != null) {
int start = line.toLowerCase().indexOf(MAILBOX_BASE) + MAILBOX_BASE.length();
int end = line.indexOf('<', start);
result = line.substring(start, end);
}
} catch (IOException e) {
LOGGER.error("Error parsing options page at " + optionsMethod.getPath());
} finally {
if (optionsPageReader != null) {
try {
optionsPageReader.close();
} catch (IOException e) {
LOGGER.error("Error parsing options page at " + optionsMethod.getPath());
}
}
optionsMethod.releaseConnection();
}
return result;
}
protected String getEmailFromOptions(String path) {
String result = null;
// get user mail URL from html body
BufferedReader optionsPageReader = null;
GetMethod optionsMethod = new GetMethod(path + "?ae=Options&t=About");
try {
httpClient.executeMethod(optionsMethod);
optionsPageReader = new BufferedReader(new InputStreamReader(optionsMethod.getResponseBodyAsStream()));
String line;
// find email
//noinspection StatementWithEmptyBody
while ((line = optionsPageReader.readLine()) != null
&& (line.indexOf('[') == -1
|| line.indexOf('@') == -1
|| line.indexOf(']') == -1)) {
}
if (line != null) {
int start = line.toLowerCase().indexOf('[') + 1;
int end = line.indexOf(']', start);
result = line.substring(start, end);
}
} catch (IOException e) {
LOGGER.error("Error parsing options page at " + optionsMethod.getPath());
} finally {
if (optionsPageReader != null) {
try {
optionsPageReader.close();
} catch (IOException e) {
LOGGER.error("Error parsing options page at " + optionsMethod.getPath());
}
}
optionsMethod.releaseConnection();
}
return result;
}
/**
* Get current user email
*
* @return user email
*/
public String getEmail() {
return email;
}
/**
* Get current user alias
*
* @return user email
*/
public String getAlias() {
return alias;
}
/**
* Search users in global address book
*
* @param searchAttribute exchange search attribute
* @param searchValue search value
* @return List of users
* @throws IOException on error
*/
public Map<String, Map<String, String>> galFind(String searchAttribute, String searchValue) throws IOException {
Map<String, Map<String, String>> results;
GetMethod getMethod = new GetMethod(URIUtil.encodePathQuery(getCmdBasePath() + "?Cmd=galfind&" + searchAttribute + '=' + searchValue));
try {
int status = httpClient.executeMethod(getMethod);
if (status != HttpStatus.SC_OK) {
throw new DavMailException("EXCEPTION_UNABLE_TO_FIND_USERS", status, getMethod.getURI());
}
results = XMLStreamUtil.getElementContentsAsMap(getMethod.getResponseBodyAsStream(), "item", "AN");
} finally {
getMethod.releaseConnection();
}
LOGGER.debug("galfind " + searchAttribute + '=' + searchValue + ": " + results.size() + " result(s)");
return results;
}
public void galLookup(Map<String, String> person) {
if (!disableGalLookup) {
GetMethod getMethod = null;
try {
getMethod = new GetMethod(URIUtil.encodePathQuery(getCmdBasePath() + "?Cmd=gallookup&ADDR=" + person.get("EM")));
int status = httpClient.executeMethod(getMethod);
if (status != HttpStatus.SC_OK) {
throw new DavMailException("EXCEPTION_UNABLE_TO_FIND_USERS", status, getMethod.getURI());
}
Map<String, Map<String, String>> results = XMLStreamUtil.getElementContentsAsMap(getMethod.getResponseBodyAsStream(), "person", "alias");
// add detailed information
if (!results.isEmpty()) {
Map<String, String> fullperson = results.get(person.get("AN").toLowerCase());
for (Map.Entry<String, String> entry : fullperson.entrySet()) {
person.put(entry.getKey(), entry.getValue());
}
}
} catch (IOException e) {
LOGGER.warn("Unable to gallookup person: " + person + ", disable GalLookup");
disableGalLookup = true;
} finally {
if (getMethod != null) {
getMethod.releaseConnection();
}
}
}
}
public FreeBusy getFreebusy(String attendee, Map<String, String> valueMap) throws IOException {
String startDateValue = valueMap.get("DTSTART");
String endDateValue = valueMap.get("DTEND");
if (attendee.startsWith("mailto:")) {
attendee = attendee.substring("mailto:".length());
}
SimpleDateFormat exchangeZuluDateFormat = getExchangeZuluDateFormat();
SimpleDateFormat icalDateFormat = getZuluDateFormat();
String url;
Date startDate;
Date endDate;
try {
if (startDateValue.length() == 8) {
startDate = parseDate(startDateValue);
} else {
startDate = icalDateFormat.parse(startDateValue);
}
if (endDateValue.length() == 8) {
endDate = parseDate(endDateValue);
} else {
endDate = icalDateFormat.parse(endDateValue);
}
url = "/public/?cmd=freebusy" +
"&start=" + exchangeZuluDateFormat.format(startDate) +
"&end=" + exchangeZuluDateFormat.format(endDate) +
"&interval=" + FREE_BUSY_INTERVAL +
"&u=SMTP:" + attendee;
} catch (ParseException e) {
throw new DavMailException("EXCEPTION_INVALID_DATES", e.getMessage());
}
FreeBusy freeBusy = null;
GetMethod getMethod = new GetMethod(url);
getMethod.setRequestHeader("Content-Type", "text/xml");
try {
int status = httpClient.executeMethod(getMethod);
if (status != HttpStatus.SC_OK) {
throw new DavMailException("EXCEPTION_UNABLE_TO_GET_FREEBUSY", getMethod.getPath(),
status, getMethod.getResponseBodyAsString());
}
String body = getMethod.getResponseBodyAsString();
int startIndex = body.lastIndexOf("<a:fbdata>");
int endIndex = body.lastIndexOf("</a:fbdata>");
if (startIndex >= 0 && endIndex >= 0) {
String fbdata = body.substring(startIndex + "<a:fbdata>".length(), endIndex);
freeBusy = new FreeBusy(icalDateFormat, startDate, fbdata);
}
} finally {
getMethod.releaseConnection();
}
if (freeBusy != null && freeBusy.knownAttendee) {
return freeBusy;
} else {
return null;
}
}
/**
* Exchange to iCalendar Free/Busy parser.
* Free time returns 0, Tentative returns 1, Busy returns 2, and Out of Office (OOF) returns 3
*/
public static final class FreeBusy {
final SimpleDateFormat icalParser;
boolean knownAttendee = true;
static final HashMap<Character, String> FBTYPES = new HashMap<Character, String>();
static {
FBTYPES.put('1', "BUSY-TENTATIVE");
FBTYPES.put('2', "BUSY");
FBTYPES.put('3', "BUSY-UNAVAILABLE");
}
final HashMap<String, StringBuilder> busyMap = new HashMap<String, StringBuilder>();
StringBuilder getBusyBuffer(char type) {
String fbType = FBTYPES.get(Character.valueOf(type));
StringBuilder buffer = busyMap.get(fbType);
if (buffer == null) {
buffer = new StringBuilder();
busyMap.put(fbType, buffer);
}
return buffer;
}
void startBusy(char type, Calendar currentCal) {
if (type == '4') {
knownAttendee = false;
} else if (type != '0') {
StringBuilder busyBuffer = getBusyBuffer(type);
if (busyBuffer.length() > 0) {
busyBuffer.append(',');
}
busyBuffer.append(icalParser.format(currentCal.getTime()));
}
}
void endBusy(char type, Calendar currentCal) {
if (type != '0' && type != '4') {
getBusyBuffer(type).append('/').append(icalParser.format(currentCal.getTime()));
}
}
FreeBusy(SimpleDateFormat icalParser, Date startDate, String fbdata) {
this.icalParser = icalParser;
if (fbdata.length() > 0) {
Calendar currentCal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
currentCal.setTime(startDate);
startBusy(fbdata.charAt(0), currentCal);
for (int i = 1; i < fbdata.length() && knownAttendee; i++) {
currentCal.add(Calendar.MINUTE, FREE_BUSY_INTERVAL);
char previousState = fbdata.charAt(i - 1);
char currentState = fbdata.charAt(i);
if (previousState != currentState) {
endBusy(previousState, currentCal);
startBusy(currentState, currentCal);
}
}
currentCal.add(Calendar.MINUTE, FREE_BUSY_INTERVAL);
endBusy(fbdata.charAt(fbdata.length() - 1), currentCal);
}
}
public void appendTo(StringBuilder buffer) {
for (Map.Entry<String, StringBuilder> entry : busyMap.entrySet()) {
buffer.append("FREEBUSY;FBTYPE=").append(entry.getKey())
.append(':').append(entry.getValue()).append((char) 13).append((char) 10);
}
}
}
}