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Class Icq.ICQLib

Object
   |
   +----Icq.ICQLib

public class ICQLib

extends Object

Version:

1.0

Author:

Egidijus Neniskis - Lithuania

Icq.ICQLib(byte[], byte[], int)

calculateInsertCheckcode(byte[])

calculates and inserts check code into packet

cmdAckToSrv_X2(int)

forms and returns - safe to delete offline messages at server - packet

cmdAcknowledge(int, int, int)

cmdFinalLogin(int)

forms Login2 packet

cmdKeepAlive(int)

Send this packet every ~2 minutes, regardless of activity and CmdKeepAlive2 too

cmdKeepAlive2(int)

Send this packet every ~2 minutes (regardless of activity) and CmdKeepAlive too

cmdLogin(String, int)

forms Login packet

cmdLogout(int)

Send this packet if you want logout

cmdSendContactList(int, int[], int)

forms contact list packet

cmdSendInvisibleList(int, int[], int)

forms invisibleList packet

cmdSendTextMessage(String, int, int)

forms and returns - send text message - packet

cmdSendVisibleList(int, int[], int)

forms visibleList packet

decryptPacket(byte[], int, int)

decodes or encodes packet

getKey32(byte[], int)

getSeqFromPacketV3(byte[])

getSeqFromPacketV4(byte[])

getTextFromMessage(byte[])

Can be used with Cmd220 and Cmd260 otherwise will return ""

getTimeFromMessage(byte[])

Can be used only with Cmd220 and Cmd270, otherwise will return 0,0,0,0,0

getUinFromMessage(byte[])

Can be used with Cmd220 and Cmd260 otherwise will return 0

getV3MultiPacketAllCmds(byte[])

getV3MultiPacketInnerPacket(byte[], int)

returns inner packet; first packet's number=0

insertDWord(int, int, byte[])

inserts dword into packet

insertWord(int, int, byte[])

inserts word into packet

makePacket(byte[], int, int, int, int)

forms Icq packet

reverseInt32(int)

public ICQLib(byte tarIP,
              byte locIP,
              int socketPort)

Parameters:

tarIP[] - servers IP

locIP[] - client IP (your computer)

socketPort - server socket number

protected byte[] calculateInsertCheckcode(byte pkt)

calculates and inserts check code into packet

Parameters:

pkt[] - packet without check code

Returns:

packet with check code

public byte[] cmdAckToSrv_X2(int uin)

forms and returns - safe to delete offline messages at server - packet

Parameters:

uin - user uin

Returns:

Icq packet

public byte[] cmdAcknowledge(int number1,
                             int number2,
                             int uin)

Parameters:

number1 - packet number1

number2 - packet number2

uin - user uin

Returns:

ACK packet

public byte[] cmdFinalLogin(int uin)

forms Login2 packet

Parameters:

uin - user uin

Returns:

Icq packet

public byte[] cmdKeepAlive(int uin)

Send this packet every ~2 minutes, regardless of activity and CmdKeepAlive2 too

Parameters:

uin - client uin

Returns:

Icq packet

public byte[] cmdKeepAlive2(int uin)

Send this packet every ~2 minutes (regardless of activity) and CmdKeepAlive too

Parameters:

uin - client uin

Returns:

Icq packet

public byte[] cmdLogin(String password,
                       int uin)

forms Login packet

Parameters:

password - user login password

uin - user uin

Returns:

Icq packet

public byte[] cmdLogout(int uin)

Send this packet if you want logout

Parameters:

uin - client uin

Returns:

Icq packet

public byte[] cmdSendContactList(int number,
                                 int contacts,
                                 int uin)

forms contact list packet

Parameters:

number - size of contacts[]

contacts[] - array of user personal contacts

uin - user uin

Returns:

Icq packet

public byte[] cmdSendInvisibleList(int number,
                                   int contacts,
                                   int uin)

forms invisibleList packet

Parameters:

number - size of contacts[]

contacts[] - array of user personal contacts

uin - user uin

Returns:

Icq packet

public byte[] cmdSendTextMessage(String text,
                                 int destuin,
                                 int uin)

forms and returns - send text message - packet

Parameters:

text - message text

destuin - destination uin

uin - senders uin

Returns:

Icq packet

public byte[] cmdSendVisibleList(int number,
                                 int contacts,
                                 int uin)

forms visibleList packet

Parameters:

number - size of contacts[]

contacts[] - array of user personal contacts

uin - user uin

Returns:

Icq packet

protected synchronized byte[] decryptPacket(byte pkt,
                                            int size,
                                            int key)

decodes or encodes packet

Parameters:

pkt[] - packet to encode, decode

size - packet size in bytes

key - key for encrypting or decrypting

Returns:

Icq packet

protected synchronized int getKey32(byte bfr,
                                    int size)

Parameters:

bfr[] - packet with check code

size - packet size in bytes

Returns:

key for encoding

public int[] getSeqFromPacketV3(byte packet)

Parameters:

packet[] - Icq packet

Returns:

seq_numbers from V3 packet

public int[] getSeqFromPacketV4(byte packet)

Parameters:

packet[] - Icq V4 packet

Returns:

seq_numbers from coded V4 packet

public java.lang.String getTextFromMessage(byte data)

Can be used with Cmd220 and Cmd260 otherwise will return ""

Parameters:

data[] - packet with message

Returns:

message text

public short[] getTimeFromMessage(byte data)

Can be used only with Cmd220 and Cmd270, otherwise will return 0,0,0,0,0

Parameters:

data[] - packet with message

Returns:

array {year,month,day,hour,minute} with time

public int getUinFromMessage(byte data)

Can be used with Cmd220 and Cmd260 otherwise will return 0

Parameters:

data[] - message packet

Returns:

sender's uin

public int[] getV3MultiPacketAllCmds(byte packet)

Parameters:

packet[] - Icq multipacket

Returns:

array of commands in multipacket

public byte[] getV3MultiPacketInnerPacket(byte packet,
                                          int number)

returns inner packet; first packet's number=0

Parameters:

packet - icq packet

number - inner packet number

Returns:

Icq packet with number 'number'

protected byte[] insertDWord(int position,
                             int dword,
                             byte packet)

inserts dword into packet

Parameters:

position - first byte position

dword - what to insert

packet[] - where to insert

Returns:

packet

protected byte[] insertWord(int position,
                            int word,
                            byte packet)

inserts word into packet

Parameters:

position - first byte position

word - what to insert

packet[] - where to insert

Returns:

packet

protected synchronized byte[] makePacket(byte data,
                                         int cmd,
                                         int uin,
                                         int seq_number1,
                                         int seq_number2)

forms Icq packet

Parameters:

data[] - packet data(not header)

cmd - packet command

uin - user uin

seq_number1 - packet first sequence number

seq_number2 - packet second sequence number

Returns:

formed and enscrypted packet

protected int reverseInt32(int l)

Parameters:

dword - to operate with

Returns:

dword in reverse byte order

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