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Code Issues Releases Wiki Activity

LdapConnection refactoring in progress

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git-svn-id: http://svn.code.sf.net/p/davmail/code/trunk@197 3d1905a2-6b24-0410-a738-b14d5a86fcbd
This commit is contained in:
mguessan 2008-12-04 12:52:30 +00:00
parent 24362b8632
commit b49b75adbd
1 changed files with 173 additions and 141 deletions
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314
src/java/davmail/ldap/LdapConnection.java
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@ -12,23 +12,59 @@ import java.io.BufferedOutputStream;
import java.io.IOException; import java.io.IOException;
import java.io.InputStream; import java.io.InputStream;
import java.net.Socket; import java.net.Socket;
import java.net.SocketTimeoutException;
import java.util.HashMap;
import java.util.Map; import java.util.Map;
import java.util.List; import java.util.List;
import java.util.HashMap;
/** /**
* Handle a caldav connection. * Handle a caldav connection.
*/ */
public class LdapConnection extends AbstractConnection { public class LdapConnection extends AbstractConnection {
static final int LDAP_VERSION2 = 0x02; /**
static final int LDAP_VERSION3 = 0x03; // LDAPv3 * Davmail base context
*/
static final String BASE_CONTEXT = "ou=people";
/**
* Exchange to LDAP attribute map
*/
static final HashMap<String, String> ATTRIBUTE_MAP = new HashMap<String, String>();
static {
ATTRIBUTE_MAP.put("AN", "uid");
ATTRIBUTE_MAP.put("EM", "mail");
ATTRIBUTE_MAP.put("DN", "displayName");
ATTRIBUTE_MAP.put("PH", "telephoneNumber");
ATTRIBUTE_MAP.put("OFFICE", "l");
ATTRIBUTE_MAP.put("CP", "company");
ATTRIBUTE_MAP.put("TL", "title");
static final int LDAP_OTHER = 80; ATTRIBUTE_MAP.put("first", "givenName");
ATTRIBUTE_MAP.put("initials", "initials");
ATTRIBUTE_MAP.put("last", "sn");
ATTRIBUTE_MAP.put("street", "street");
ATTRIBUTE_MAP.put("state", "st");
ATTRIBUTE_MAP.put("zip", "postalCode");
ATTRIBUTE_MAP.put("country", "c");
ATTRIBUTE_MAP.put("departement", "department");
ATTRIBUTE_MAP.put("mobile", "mobile");
}
// LDAP version
static final int LDAP_VERSION2 = 0x02;
static final int LDAP_VERSION3 = 0x03;
// LDAP request operations
static final int LDAP_REQ_BIND = 0x60; static final int LDAP_REQ_BIND = 0x60;
static final int LDAP_REQ_SEARCH = 99; static final int LDAP_REQ_SEARCH = 99;
static final int LDAP_REQ_UNBIND = 0x42;
// LDAP response operations
static final int LDAP_REP_BIND = 0x61; static final int LDAP_REP_BIND = 0x61;
static final int LDAP_REP_SEARCH = 0x64; static final int LDAP_REP_SEARCH = 0x64;
static final int LDAP_REP_RESULT = 0x65; static final int LDAP_REP_RESULT = 0x65;
// LDAP return codes
static final int LDAP_OTHER = 80;
static final int LDAP_SUCCESS = 0; static final int LDAP_SUCCESS = 0;
static final int LDAP_SIZE_LIMIT_EXCEEDED = 4; static final int LDAP_SIZE_LIMIT_EXCEEDED = 4;
static final int LDAP_INVALID_CREDENTIALS = 49; static final int LDAP_INVALID_CREDENTIALS = 49;
@ -36,27 +72,38 @@ public class LdapConnection extends AbstractConnection {
static final int LDAP_FILTER_OR = 0xa1; static final int LDAP_FILTER_OR = 0xa1;
// LDAP filter operators (only LDAP_FILTER_SUBSTRINGS is supported)
static final int LDAP_FILTER_SUBSTRINGS = 0xa4; static final int LDAP_FILTER_SUBSTRINGS = 0xa4;
static final int LDAP_FILTER_GE = 0xa5; static final int LDAP_FILTER_GE = 0xa5;
static final int LDAP_FILTER_LE = 0xa6; static final int LDAP_FILTER_LE = 0xa6;
static final int LDAP_FILTER_PRESENT = 0x87; static final int LDAP_FILTER_PRESENT = 0x87;
static final int LDAP_FILTER_APPROX = 0xa8; static final int LDAP_FILTER_APPROX = 0xa8;
// LDAP filter mode (only startsWith supported by galfind)
static final int LDAP_SUBSTRING_INITIAL = 0x80; static final int LDAP_SUBSTRING_INITIAL = 0x80;
static final int LDAP_SUBSTRING_ANY = 0x81; static final int LDAP_SUBSTRING_ANY = 0x81;
static final int LDAP_SUBSTRING_FINAL = 0x82; static final int LDAP_SUBSTRING_FINAL = 0x82;
// BER data types
static final int LBER_ENUMERATED = 0x0a; static final int LBER_ENUMERATED = 0x0a;
static final int LBER_SET = 0x31; static final int LBER_SET = 0x31;
static final int LBER_SEQUENCE = 0x30; static final int LBER_SEQUENCE = 0x30;
static final int LDAP_REQ_UNBIND = 0x42;
// LDAP search scope
static final int SCOPE_BASE_OBJECT = 0; static final int SCOPE_BASE_OBJECT = 0;
static final int SCOPE_ONE_LEVEL = 1; static final int SCOPE_ONE_LEVEL = 1;
static final int SCOPE_SUBTREE = 2; static final int SCOPE_SUBTREE = 2;
/**
* raw connection inputStream
*/
protected InputStream is; protected InputStream is;
/**
* reusable BER encoder
*/
protected BerEncoder responseBer = new BerEncoder();
// Initialize the streams and start the thread // Initialize the streams and start the thread
public LdapConnection(String name, Socket clientSocket) { public LdapConnection(String name, Socket clientSocket) {
super(name + "-" + clientSocket.getPort(), clientSocket); super(name + "-" + clientSocket.getPort(), clientSocket);
@ -71,7 +118,7 @@ public class LdapConnection extends AbstractConnection {
public void run() { public void run() {
byte inbuf[] = new byte[2048]; // Buffer for reading incoming bytes byte inbuf[] = new byte[2048]; // Buffer for reading incoming bytes
int inMsgId = 0; // Message id of incoming response int currentMessageId = 0; // Message id of incoming response
int bytesread; // Number of bytes in inbuf int bytesread; // Number of bytes in inbuf
int bytesleft; // Number of bytes that need to read for completing resp int bytesleft; // Number of bytes that need to read for completing resp
int br; // Temp; number of bytes read from stream int br; // Temp; number of bytes read from stream
@ -154,26 +201,27 @@ public class LdapConnection extends AbstractConnection {
reqBer = new BerDecoder(inbuf, 0, offset); reqBer = new BerDecoder(inbuf, 0, offset);
reqBer.parseSeq(null); reqBer.parseSeq(null);
inMsgId = reqBer.parseInt(); currentMessageId = reqBer.parseInt();
operation = reqBer.parseSeq(null); operation = reqBer.parseSeq(null);
Ber.dumpBER(System.out, "request\n", inbuf, 0, offset); responseBer.reset();
//Ber.dumpBER(System.out, "request\n", inbuf, 0, offset);
if (operation == LDAP_REQ_BIND) { if (operation == LDAP_REQ_BIND) {
int ldapVersion = reqBer.parseInt(); int ldapVersion = reqBer.parseInt();
String userName = reqBer.parseString(ldapVersion == LDAP_VERSION3); String userName = reqBer.parseString(ldapVersion == LDAP_VERSION3);
String password = reqBer.parseStringWithTag(0x80, ldapVersion == LDAP_VERSION3, null); String password = reqBer.parseStringWithTag(Ber.ASN_CONTEXT, ldapVersion == LDAP_VERSION3, null);
if (userName.length() > 0 && password.length() > 0) { if (userName.length() > 0 && password.length() > 0) {
try { try {
session = ExchangeSessionFactory.getInstance(userName, password); session = ExchangeSessionFactory.getInstance(userName, password);
sendClient(inMsgId, LDAP_REP_BIND, LDAP_SUCCESS, ""); sendClient(currentMessageId, LDAP_REP_BIND, LDAP_SUCCESS, "");
} catch (IOException e) { } catch (IOException e) {
sendClient(inMsgId, LDAP_REP_BIND, LDAP_INVALID_CREDENTIALS, ""); sendClient(currentMessageId, LDAP_REP_BIND, LDAP_INVALID_CREDENTIALS, "");
} }
} else { } else {
// anonymous bind // anonymous bind
sendClient(inMsgId, LDAP_REP_BIND, LDAP_SUCCESS, ""); sendClient(currentMessageId, LDAP_REP_BIND, LDAP_SUCCESS, "");
} }
} else if (operation == LDAP_REQ_UNBIND) { } else if (operation == LDAP_REQ_UNBIND) {
@ -193,74 +241,36 @@ public class LdapConnection extends AbstractConnection {
boolean attrsOnly = reqBer.parseBoolean(); boolean attrsOnly = reqBer.parseBoolean();
int size = 0; int size = 0;
BerEncoder retBer = new BerEncoder(2048);
if (scope == SCOPE_BASE_OBJECT) { if (scope == SCOPE_BASE_OBJECT) {
if ("".equals(dn)) { if ("".equals(dn)) {
// Root DSE size = 1;
sendRootDSE(currentMessageId);
}
if (BASE_CONTEXT.equals(dn)) {
size = 1; size = 1;
// root // root
retBer.beginSeq(Ber.ASN_SEQUENCE | Ber.ASN_CONSTRUCTOR); responseBer.beginSeq(Ber.ASN_SEQUENCE | Ber.ASN_CONSTRUCTOR);
retBer.encodeInt(inMsgId); responseBer.encodeInt(currentMessageId);
retBer.beginSeq(LDAP_REP_SEARCH); responseBer.beginSeq(LDAP_REP_SEARCH);
retBer.encodeString("Root DSE", true); responseBer.encodeString(BASE_CONTEXT, true);
retBer.beginSeq(LBER_SEQUENCE); responseBer.beginSeq(LBER_SEQUENCE);
retBer.beginSeq(LBER_SEQUENCE); responseBer.beginSeq(LBER_SEQUENCE);
retBer.encodeString("namingContexts", true); responseBer.encodeString("description", true);
retBer.beginSeq(LBER_SET); responseBer.beginSeq(LBER_SET);
retBer.encodeString("ou=people", true); responseBer.encodeString("people", true);
retBer.endSeq(); responseBer.endSeq();
retBer.endSeq(); responseBer.endSeq();
retBer.endSeq(); responseBer.endSeq();
retBer.endSeq(); responseBer.endSeq();
retBer.endSeq(); responseBer.endSeq();
} if ("ou=people".equals(dn)) {
size = 1;
// root
retBer.beginSeq(Ber.ASN_SEQUENCE | Ber.ASN_CONSTRUCTOR);
retBer.encodeInt(inMsgId);
retBer.beginSeq(LDAP_REP_SEARCH);
retBer.encodeString("ou=people", true);
retBer.beginSeq(LBER_SEQUENCE);
retBer.beginSeq(LBER_SEQUENCE);
retBer.encodeString("description", true);
retBer.beginSeq(LBER_SET);
retBer.encodeString("people", true);
retBer.endSeq();
retBer.endSeq();
retBer.endSeq();
retBer.endSeq();
retBer.endSeq();
} else if (dn.startsWith("uid=") && session != null) { } else if (dn.startsWith("uid=") && session != null) {
String uid = dn.substring(4, dn.indexOf(',')); String uid = dn.substring(4, dn.indexOf(','));
Map<String, Map<String, String>> persons = session.galFind("AN", uid); Map<String, Map<String, String>> persons = session.galFind("AN", uid);
size = persons.size(); size = persons.size();
// TODO refactor // TODO refactor
for (Map<String, String> person : persons.values()) { for (Map<String, String> person : persons.values()) {
HashMap<String, String> ATTRIBUTE_MAP = new HashMap<String, String>();
ATTRIBUTE_MAP.put("uid", "AN");
ATTRIBUTE_MAP.put("mail", "EM");
ATTRIBUTE_MAP.put("displayName", "DN");
ATTRIBUTE_MAP.put("telephoneNumber", "PH");
ATTRIBUTE_MAP.put("l", "OFFICE");
ATTRIBUTE_MAP.put("company", "CP");
ATTRIBUTE_MAP.put("title", "TL");
ATTRIBUTE_MAP.put("cn", "DN");
ATTRIBUTE_MAP.put("givenName", "first");
ATTRIBUTE_MAP.put("initials", "initials");
ATTRIBUTE_MAP.put("sn", "last");
ATTRIBUTE_MAP.put("street", "street");
ATTRIBUTE_MAP.put("st", "state");
ATTRIBUTE_MAP.put("postalCode", "zip");
ATTRIBUTE_MAP.put("c", "country");
ATTRIBUTE_MAP.put("departement", "department");
ATTRIBUTE_MAP.put("mobile", "mobile");
Map<String, String> ldapPerson = new HashMap<String, String>(); Map<String, String> ldapPerson = new HashMap<String, String>();
for (Map.Entry<String, String> entry : ATTRIBUTE_MAP.entrySet()) { for (Map.Entry<String, String> entry : ATTRIBUTE_MAP.entrySet()) {
@ -272,31 +282,31 @@ public class LdapConnection extends AbstractConnection {
} }
} }
retBer.beginSeq(Ber.ASN_SEQUENCE | Ber.ASN_CONSTRUCTOR); responseBer.beginSeq(Ber.ASN_SEQUENCE | Ber.ASN_CONSTRUCTOR);
retBer.encodeInt(inMsgId); responseBer.encodeInt(currentMessageId);
retBer.beginSeq(LDAP_REP_SEARCH); responseBer.beginSeq(LDAP_REP_SEARCH);
retBer.encodeString("uid=" + ldapPerson.get("uid") + ",ou=people", true); responseBer.encodeString("uid=" + ldapPerson.get("uid") + ","+BASE_CONTEXT, true);
retBer.beginSeq(LBER_SEQUENCE); responseBer.beginSeq(LBER_SEQUENCE);
for (Map.Entry<String, String> entry : ldapPerson.entrySet()) { for (Map.Entry<String, String> entry : ldapPerson.entrySet()) {
retBer.beginSeq(LBER_SEQUENCE); responseBer.beginSeq(LBER_SEQUENCE);
retBer.encodeString(entry.getKey(), true); responseBer.encodeString(entry.getKey(), true);
retBer.beginSeq(LBER_SET); responseBer.beginSeq(LBER_SET);
retBer.encodeString(entry.getValue(), true); responseBer.encodeString(entry.getValue(), true);
retBer.endSeq(); responseBer.endSeq();
retBer.endSeq(); responseBer.endSeq();
} }
retBer.endSeq(); responseBer.endSeq();
retBer.endSeq(); responseBer.endSeq();
retBer.endSeq(); responseBer.endSeq();
} }
//end TODO //end TODO
} }
} else if ("ou=people".equals(dn) && session != null) { } else if (BASE_CONTEXT.equals(dn) && session != null) {
// filter // filter
Map<String, String> criteria = new HashMap<String, String>(); Map<String, String> criteria = new HashMap<String, String>();
try { try {
@ -447,24 +457,7 @@ public class LdapConnection extends AbstractConnection {
size = persons.size(); size = persons.size();
for (Map<String, String> person : persons.values()) { for (Map<String, String> person : persons.values()) {
HashMap<String, String> ATTRIBUTE_MAP = new HashMap<String, String>();
ATTRIBUTE_MAP.put("AN", "uid");
ATTRIBUTE_MAP.put("EM", "mail");
ATTRIBUTE_MAP.put("DN", "displayName");
ATTRIBUTE_MAP.put("PH", "telephoneNumber");
ATTRIBUTE_MAP.put("OFFICE", "l");
ATTRIBUTE_MAP.put("CP", "company");
ATTRIBUTE_MAP.put("TL", "title");
ATTRIBUTE_MAP.put("first", "givenName");
ATTRIBUTE_MAP.put("initials", "initials");
ATTRIBUTE_MAP.put("last", "sn");
ATTRIBUTE_MAP.put("street", "street");
ATTRIBUTE_MAP.put("state", "st");
ATTRIBUTE_MAP.put("zip", "postalCode");
ATTRIBUTE_MAP.put("country", "c");
ATTRIBUTE_MAP.put("departement", "department");
ATTRIBUTE_MAP.put("mobile", "mobile");
Map<String, String> ldapPerson = new HashMap<String, String>(); Map<String, String> ldapPerson = new HashMap<String, String>();
for (Map.Entry<String, String> entry : person.entrySet()) { for (Map.Entry<String, String> entry : person.entrySet()) {
@ -475,48 +468,45 @@ public class LdapConnection extends AbstractConnection {
} }
retBer.beginSeq(Ber.ASN_SEQUENCE | Ber.ASN_CONSTRUCTOR); responseBer.beginSeq(Ber.ASN_SEQUENCE | Ber.ASN_CONSTRUCTOR);
retBer.encodeInt(inMsgId); responseBer.encodeInt(currentMessageId);
retBer.beginSeq(LDAP_REP_SEARCH); responseBer.beginSeq(LDAP_REP_SEARCH);
retBer.encodeString("uid=" + ldapPerson.get("uid") + ",ou=people", true); responseBer.encodeString("uid=" + ldapPerson.get("uid") + ","+BASE_CONTEXT, true);
retBer.beginSeq(LBER_SEQUENCE); responseBer.beginSeq(LBER_SEQUENCE);
for (Map.Entry<String, String> entry : ldapPerson.entrySet()) { for (Map.Entry<String, String> entry : ldapPerson.entrySet()) {
retBer.beginSeq(LBER_SEQUENCE); responseBer.beginSeq(LBER_SEQUENCE);
retBer.encodeString(entry.getKey(), true); responseBer.encodeString(entry.getKey(), true);
retBer.beginSeq(LBER_SET); responseBer.beginSeq(LBER_SET);
retBer.encodeString(entry.getValue(), true); responseBer.encodeString(entry.getValue(), true);
retBer.endSeq(); responseBer.endSeq();
retBer.endSeq(); responseBer.endSeq();
} }
retBer.endSeq(); responseBer.endSeq();
retBer.endSeq(); responseBer.endSeq();
retBer.endSeq(); responseBer.endSeq();
} }
} }
Ber.dumpBER(System.out, "response\n", retBer.getBuf(), 0, retBer.getDataLen()); sendResponse();
os.write(retBer.getBuf(), 0, retBer.getDataLen());
os.flush();
if (size == sizeLimit) { if (size == sizeLimit) {
sendClient(inMsgId, LDAP_REP_RESULT, LDAP_SIZE_LIMIT_EXCEEDED, ""); sendClient(currentMessageId, LDAP_REP_RESULT, LDAP_SIZE_LIMIT_EXCEEDED, "");
} else { } else {
sendClient(inMsgId, LDAP_REP_RESULT, LDAP_SUCCESS, ""); sendClient(currentMessageId, LDAP_REP_RESULT, LDAP_SUCCESS, "");
} }
} else { } else {
sendClient(inMsgId, 0, LDAP_OTHER, "Unsupported operation"); sendClient(currentMessageId, LDAP_REP_RESULT, LDAP_OTHER, "Unsupported operation");
} }
} }
} catch (SocketTimeoutException e) {
DavGatewayTray.debug("Closing connection on timeout");
} catch (IOException e) { } catch (IOException e) {
DavGatewayTray.error(e); DavGatewayTray.error(e);
try { try {
sendErr(inMsgId, operation, e); sendErr(currentMessageId, LDAP_REP_RESULT, e);
} catch (IOException e2) { } catch (IOException e2) {
DavGatewayTray.debug("Exception sending error to client", e2); DavGatewayTray.debug("Exception sending error to client", e2);
} }
@ -526,33 +516,75 @@ public class LdapConnection extends AbstractConnection {
DavGatewayTray.resetIcon(); DavGatewayTray.resetIcon();
} }
public void sendErr(int inMsgId, int operation, Exception e) throws IOException { /**
* Send Root DSE
* @throws IOException
*/
public void sendRootDSE(int currentMessageId) throws IOException {
Map<String,Object> attributes = new HashMap<String,Object>();
attributes.put("namingContexts", BASE_CONTEXT);
sendEntry(currentMessageId, "Root DSE", attributes);
}
public void sendEntry(int currentMessageId, String dn, Map<String,Object> attributes) throws IOException {
responseBer.reset();
responseBer.beginSeq(Ber.ASN_SEQUENCE | Ber.ASN_CONSTRUCTOR);
responseBer.encodeInt(currentMessageId);
responseBer.beginSeq(LDAP_REP_SEARCH);
responseBer.encodeString(dn, true);
responseBer.beginSeq(LBER_SEQUENCE);
for (Map.Entry<String,Object> entry:attributes.entrySet()) {
responseBer.beginSeq(LBER_SEQUENCE);
responseBer.encodeString(entry.getKey(), true);
responseBer.beginSeq(LBER_SET);
Object values = entry.getValue();
if (values instanceof String) {
responseBer.encodeString((String)values, true);
} else if (values instanceof List) {
for (Object value: (List)values) {
responseBer.encodeString((String) value, true);
}
} else {
throw new IllegalArgumentException();
}
responseBer.endSeq();
responseBer.endSeq();
}
responseBer.endSeq();
responseBer.endSeq();
responseBer.endSeq();
sendResponse();
}
public void sendErr(int currentMessageId, int responseOperation, Exception e) throws IOException {
String message = e.getMessage(); String message = e.getMessage();
if (message == null) { if (message == null) {
message = e.toString(); message = e.toString();
} }
sendClient(inMsgId, operation, LDAP_OTHER, message); sendClient(currentMessageId, responseOperation, LDAP_OTHER, message);
} }
public void sendClient(int inMsgId, int operation, int status, String message) throws IOException { public void sendClient(int currentMessageId, int responseOperation, int status, String message) throws IOException {
BerEncoder retBer = new BerEncoder(2048); responseBer.reset();
retBer.beginSeq(Ber.ASN_SEQUENCE | Ber.ASN_CONSTRUCTOR); responseBer.beginSeq(Ber.ASN_SEQUENCE | Ber.ASN_CONSTRUCTOR);
retBer.encodeInt(inMsgId); responseBer.encodeInt(currentMessageId);
retBer.beginSeq(operation); responseBer.beginSeq(responseOperation);
retBer.encodeInt(status, LBER_ENUMERATED); responseBer.encodeInt(status, LBER_ENUMERATED);
// dn // dn
retBer.encodeString("", true); responseBer.encodeString("", true);
// error message // error message
retBer.encodeString(message, true); responseBer.encodeString(message, true);
retBer.endSeq(); responseBer.endSeq();
responseBer.endSeq();
sendResponse();
}
retBer.endSeq(); public void sendResponse() throws IOException {
//Ber.dumpBER(System.out, ">\n", responseBer.getBuf(), 0, responseBer.getDataLen());
os.write(retBer.getBuf(), 0, retBer.getDataLen()); os.write(responseBer.getBuf(), 0, responseBer.getDataLen());
os.flush(); os.flush();
} }
} }