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PHP:
скопировать код в буфер обмена
<?PHP 
class BasICQ {
function BasICQ() {
$this->method=false;
$this->sequence=rand(1,30000);
}
function sockets($method) {
$this->method=$method;
}
function connect($uin,$pass) {
if ($this->method) {
$this->socket=socket_create(AF_INET,SOCK_STREAM,SOL_TCP);
if ($this->socket<0||$this->socket===false) return false;
$result=socket_connect($this->socket,"login.icq.com",80);
if ($result<0||$result===false) return false;
} else {
$this->socket=fsockopen("login.icq.com",80,$errno);
if ($errno!==0) return false;
}
$this->getpacket();
$this->uin=$uin;
$this->body.=$this->setoption('UIN',$uin);
$ar=array(0xF3,0x26,0x81,0xC4,0x39,0x86,0xDB,0x92,0x71,0xA3,0xB9,0xE6,0x53,0x7A,0x95,0x7c);
$hash="";
for ($i=0;$i<strlen($pass);$i++) $hash.=chr($ar[$i]^ord($pass[$i]));
$this->body.=$this->setoption('DATA',$hash);
$this->body.=$this->setoption('CLIENT','HFICQ');
$this->body.=$this->setoption('CLIENT_ID',266,2);
$this->body.=$this->setoption('CLI_MAJOR_VER',20,2);
$this->body.=$this->setoption('CLI_MINOR_VER',34,2);
$this->body.=$this->setoption('CLI_LESSER_VER',0,2);
$this->body.=$this->setoption('CLI_BUILD_NUMBER',2321,2);
$this->body.=$this->setoption('DISTRIB_NUMBER',1085,4);
$this->body.=$this->setoption('CLIENT_LNG','ru');
$this->body.=$this->setoption('CLIENT_COUNTRY','ru');
$this->channel=1;
$pack=$this->prepare();
if ($this->method) socket_write($this->socket,$pack,strlen($pack)); else fwrite($this->socket,$pack);
$this->getpacket();
$this->info=array();
while($this->body!='') {
$arr=unpack('n2',substr($this->body,0,4));
$this->type=$arr[1];
$this->size=$arr[2];
$info=substr($this->body,4,$this->size);
$key=array_search($this->type,$this->types);
if($key) $this->info[$key]=$info;
$this->body=substr($this->body,($this->size+4));
}
$this->body=0x0000;
$pack=$this->prepare();
if ($this->method) socket_write($this->socket,$pack,strlen($pack)); else fwrite($this->socket,$pack);
if ($this->method) socket_close($this->socket); else fclose($this->socket);
$this->socket=false;
if (isset($this->info['RECONECT_HERE'])) {
$url=explode(':',$this->info['RECONECT_HERE']);
if ($this->method) {
$this->socket=socket_create(AF_INET,SOCK_STREAM,SOL_TCP);
if ($this->socket<0||$this->socket===false) $res=false;
$result=socket_connect($this->socket,$url[0],$url[1]);
if ($result<0||$result===false) $res=false; else $res=true;
} else {
$this->socket=fsockopen($url[0],$url[1],$errno);
if ($errno!==0) $res=false; else $res=true;
}
if (!$res) {
$this->error=isset($this->info['DISCONECT_REASON'])?$this->info['DISCONECT_REASON']:'Невозможно сменить север';
return false;
}
} else {
$this->error=isset($this->info['DISCONECT_REASON'])?$this->info['DISCONECT_REASON']:'Превышен лимит подключений';
return false;
}
$this->getpacket();
$this->body.=$this->setoption('COOKIE',$this->info['COOKIE']);
$pack=$this->prepare();
if ($this->method) $wr=socket_write($this->socket,$pack,strlen($pack)); else $wr=fwrite($this->socket,$pack);
if (!$wr) {
$this->error='Соединение закрыто';
return false;
}
$this->getpacket();
$this->request_id++;
$this->body=pack('nnnN',1,2,0,$this->request_id);
$this->body.=pack('n*',1,3,272,650);
$this->body.=pack('n*',2,1,272,650);
$this->body.=pack('n*',3,1,272,650);
$this->body.=pack('n*',21,1,272,650);
$this->body.=pack('n*',4,1,272,650);
$this->body.=pack('n*',6,1,272,650);
$this->body.=pack('n*',9,1,272,650);
$this->body.=pack('n*',10,1,272,650);
$pack=$this->prepare();
if ($this->method) $wr=socket_write($this->socket,$pack,strlen($pack)); else $wr=fwrite($this->socket,$pack);
if (!$wr) {
$this->error='Соединение закрыто';
return false;
}
return true;
}
function is_connected() {
if ($this->socket) return true; else return false;
}
function send_message($uin,$message) {
$this->request_id++;
$cookie=microtime();
$this->body=pack('nnnNdnca*',4,6,0,$this->request_id,$cookie,2,strlen($uin),$uin);
$capabilities=pack('H*','094613494C7F11D18222444553540000');
$data=pack('nd',0,$cookie).$capabilities;
$data.=pack('nnn',10,2,1);
$data.=pack('nn', 15, 0);
$data.=pack('nnvvddnVn',10001,strlen($message)+62,27,8,0,0,0,3,$this->request_id);
$data.=pack('nndnn',14,$this->request_id,0,0,0);
$data.=pack('ncvnva*',1,0,0,1,(strlen($message)+1),$message);
$data.=pack('H*', '0000000000FFFFFF00');
$this->body.=$this->setoption('RECONECT_HERE',$data);
$this->body.=$this->setoption('CLIENT','');
$pack=$this->prepare();
if ($this->method) $wr=socket_write($this->socket,$pack,strlen($pack)); else $wr=fwrite($this->socket,$pack);
if (!$wr) {
$this->error='Не могу отправить сообщение, сервер закрыл соединение';
return false;
}
if (!$this->makeinfo()) {
$this->request_id++;
$cookie=microtime();
$this->body=pack('nnnNdnca*',4,6,0,$this->request_id,$cookie,1,strlen($uin),$uin);
$data=pack('ccnc',5,1,1,1);
$data.=pack('ccnnna*',1,1,strlen($message)+4,3,0,$message);
$this->body.=$this->setoption('DATA', $data);
$this->body.=$this->setoption('CLIENT','');
$this->body.=$this->setoption('COOKIE','');
$pack=$this->prepare();
if ($this->method) $wr=socket_write($this->socket,$pack,strlen($pack)); else $wr=fwrite($this->socket,$pack);
if (!$wr) {
$this->error='Соединение закрыто';
return false;
}
$this->makeinfo();
return false;
}
return true;
}
function read_message() {
while($this->getpacket()) {
$body=$this->body;
if (strlen($body)) {
$msg=unpack('nfamily/nsubtype/nflags/Nrequestid/N2msgid/nchannel/cnamesize',$body);
if ($msg['family']==4&&$msg['subtype']==7) {
$body=substr($body,21);
$from=substr($body,0,$msg['namesize']);
$channel=$msg['channel'];
$body=substr($body,$msg['namesize']);
$msg=unpack('nwarnlevel/nTLVnumber',$body);
$body=substr($body,4);
for ($i=0;$i<=$msg['TLVnumber'];$i++) {
$arr=unpack('n2',substr($body,0,4));
$this->type=$arr[1];
$this->size=$arr[2];
$part=substr($body,4,$this->size);
$body=substr($body,4+$this->size);
if ($channel==1&&$this->type==2) {
while (strlen($part)) {
$frg=unpack('cid/cversion/nsize',substr($part,0,4));
$frg['data']=substr($part,4,$frg['size']);
if ($frg['id']==1&&$frg['version']==1) {
return array('from'=>$from,'text'=>substr($frg['data'],4));
}
$part=substr($part,4+$frg['size']);
}
$message=false;
}
}
}
} else $message=false;
}
return false;
}
function disconnect() {
if ($this->method) socket_close($this->socket); else fclose($this->socket);
$this->socket=false;
}
var $types=array('UIN'=>1,'DATA'=>2,'CLIENT'=>3,'ERROR_URL'=>4,'RECONECT_HERE'=>5,'COOKIE'=>6,'SNAC_VERSION'=>7,'ERROR_SUBCODE'=>8,'DISCONECT_REASON'=>9,'RECONECT_HOST'=>10,'URL'=>11,'DEBUG_DATA'=>12,'SERVICE'=>13,'CLIENT_COUNTRY'=>14,'CLIENT_LNG'=>15,'SCRIPT'=>16,'USER_EMAIL'=>17,'OLD_PASSWORD'=>18,'REG_STATUS'=>19,'DISTRIB_NUMBER'=>20,'PERSONAL_TEXT'=>21,'CLIENT_ID'=>22,'CLI_MAJOR_VER'=>23,'CLI_MINOR_VER'=>24,'CLI_LESSER_VER'=>25,'CLI_BUILD_NUMBER'=>26);
var $socet,$channel,$sequence,$body,$uin,$type,$size,$error;
function getpacket() {
if ($this->method) {
if($this->socket&&!socket_last_error($this->socket)) {
$header=socket_read($this->socket, 6);
if ($header) {
$header=unpack('c2channel/n2size',$header);
$this->channel=$header['channel2'];
$this->body=socket_read($this->socket,$header['size2']);
return true;
} else return false;
}
} else {
if($this->socket) {
$header=fread($this->socket,6);
if ($header) {
$header=unpack('c2channel/n2size',$header);
$this->channel=$header['channel2'];
$this->body=fread($this->socket,$header['size2']);
return true;
} else return false;
}
}
}
function makeinfo() {
$this->getpacket();
$array=unpack('n3int/Nint',$this->body);
while ($array['int']!=$this->request_id) {
$this->getpacket();
$array=unpack('n3int/Nint',$this->body);
}
$this->error='Неизвестный ответ сервера';
if ($array['int1']==4) {
switch ($array['int2']) {
case 1:  $this->error='Error to sent message'; return false; break;
case 12: return true; break;
}
}
$this->error='Неизвестный ответ сервера';
return false;
}
function setoption($type,$val,$len=false) {
switch ($len) {
case 1: $format='c'; break;
case 2: $format='n'; break;
case 4: $format='N'; break;
default: $format='a*'; break;
}
if ($len===false) $len=strlen($val);
return pack('nn'.$format,$this->types[$type],$len,$val);
}
function prepare() {
$this->sequence++;
$out=pack('ccnn',0x2A,$this->channel,$this->sequence,strlen($this->body)).$this->body;
return $out;
}
}
?>
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PHP + ICQ
