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asterisk-web-voicemail-server.php
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asterisk-web-voicemail-server.php
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<?php
//****************************************************************************
//** API SERVER FOR ASTERISK VOICEMAIL MANAGEMENT (IP: 127.0.0.1 PORT 4444)
//****************************************************************************
// **** PARAMETERS TO CUSTOMIZE FOR YOUR ASTERISK INSTALLATION *******************
$MAILBOXPATH ="/var/spool/asterisk/voicemail/default/";
$PASSWORDFILE ="/etc/asterisk/asterisk-web-mailbox.pwd";
//**** very IMPORTANT - CHANGE THIS SECRET SEED
$SECRETSEED = "a1477fd47bfd73aadc85e27f1bf6b584e6ffc1a002573e43c3e4cff9590542a1";
//********************END PARAMETERS *********************************************
// Check dependencies
if( ! extension_loaded('sockets' ) ) {
echo "This program requires sockets extension for php\n";
exit(-1);
}
if( ! extension_loaded('pcntl' ) ) {
echo "This program requires PCNTL extension for php\n";
exit(-1);
}
// Socket opening on ports and ip address configure in config.php
$server = new SocketServer();
$server->init();
$server->setConnectionHandler( 'onConnect' );
$server->listen();
//Main loop after the connectio
function onConnect( $client ) {
// fork the process to allow multiple connections
$pid = pcntl_fork();
if ($pid == -1) {
die('could not fork');
} else if ($pid) {
// parent process
return;
}
$read = '';
printf( "[%s] Connected at port %d\n", $client->getAddress(), $client->getPort() );
while( true ) {
// read the GET request
$read = $client->read();
if( $read == '' ) break;
if( $read === null ) {
printf( "[%s] Disconnected 001\n", $client->getAddress() );
break;
}
else {
printf( "[%s] received: %s]\n", $client->getAddress(), $read );
}
// process the "echo" request
if(strstr($read,"/echo")!=NULL){
$answer=$read;
echo "Echoing back: ".$answer."\n";
$client->send($answer);
sleep(1);
break;
}
//process the "login" request
if(strstr($read,"/login?")!=NULL){
echo "Processing login request...\n";
$v=explode("?",$read);
if(!isset($v[1])){
$answer='{"answer":"KO","message":"Missing data for the query"}';
echo $answer;
$client->send($answer);
sleep(1);
break;
}
$f=array();
parse_str($v[1], $f);
if(strlen($f["extension"])==0 || strlen($f["password"])==0){
$answer='{"answer":"KO","message":"Missing extension or password for logging in"}';
echo $answer."\n";
$client->send($answer);
sleep(1);
break;
}
//remove \n if present in the password field
$pwd=str_replace("\n","",$f["password"]);
$pwd=str_replace("\r","",$pwd);
//check password validity
$fv=file($GLOBALS["PASSWORDFILE"]);
$fnd=false;
foreach($fv as $u){
$ue=explode("#",$u);
if($ue[0]==$f['extension']){
$fnd=true;
$pwdc=substr($ue[1],0,strlen($ue[1])-1);
if(password_verify($pwd,$pwdc)){
// generate token
$t=time()+3600; // validity for 1 hour
$cleartext=$f["extension"]."#".$t;
$enc=encrypt($cleartext,$GLOBALS["SECRETSEED"]);
$answer='{"answer":"OK","message":"Login accepted","token":"'.$enc.'"}';
echo $answer."\n";
$client->send($answer);
sleep(1);
break;
}
else{
//wrong password answer
$answer='{"answer":"KO","message":"Wrong extension or password"}';
echo $answer."\n";
$client->send($answer);
sleep(1);
break;
}
}
}
if(!$fnd){
$answer='{"answer":"KO","message":"Extension not found"}';
echo $answer."\n";
$client->send($answer);
sleep(1);
}
break;
}
//process the "list" request
if(strstr($read,"/list?")!=NULL){
$v=explode("?",$read);
if(!isset($v[1])){
$answer='{"answer":"KO","message":"Missing data for the query"}';
echo $answer."\n";
$client->send($answer);
sleep(1);
break;
}
$f=array();
parse_str($v[1], $f);
if(strlen($f["folder"])==0 || strlen($f["token"])==0){
$answer='{"answer":"KO","message":"Missing folder or token"}';
echo $answer."\n";
$client->send($answer);
sleep(1);
break;
}
//remove \r\n if present in the token field
$token=str_replace("\n","",$f["token"]);
$token=str_replace("\r","",$token);
// decrypt token and get the username
$cleartext=decrypt($token,$GLOBALS["SECRETSEED"]);
echo "cleartext: ".$cleartext."\n";
$v=explode("#",$cleartext);
if(!isset($v[0])){
$answer='{"answer":"KO","message":"Token not valid"}';
echo $answer."\n";
$client->send($answer);
sleep(1);
break;
}
if(time()>$v[1]){
$answer='{"answer":"KO","message":"Token is expired"}';
echo $answer."\n";
$client->send($answer);
sleep(1);
break;
}
$dp=$GLOBALS['MAILBOXPATH'].$v[0]."/".$f["folder"];
echo "path: ".$dp."\n";
$d=dir($dp);
//empty directory
if($d==NULL){
$answer='{"answer":"OK","message":"list of voicemail for '.$v[0].'","voicemail":[]}';
echo $answer."\n";
$client->send($answer);
sleep(1);
break;
}
//directory is present
$fn=array();
while (($filename = $d->read()) !== false){
if($filename=="." || $filename=="..")
continue;
$fn[]=$filename;
}
$vt="[";
foreach($fn as $n){
if(strstr($n,".txt")){
$cf=file($dp."/".$n);
$callerid="";
$duration=0;
$time=0;
foreach($cf as $c) {
if(strstr($c,"callerid=")){
$b=explode("=",$c);
$clid=explode('"',$b[1]);
$callerid=$clid[1];
var_dump($clid);
}
if(strstr($c,"origtime=")){
$b=explode("=",$c);
$origtime=$b[1];
$origtime=str_replace("\n","",$b[1]);
$origtime=str_replace("\r","",$origtime);
}
if(strstr($c,"duration=")){
$b=explode("=",$c);
$duration=str_replace("\n","",$b[1]);
$duration=str_replace("\r","",$duration);
}
}
$filename=str_replace(".txt",".wav",$n);
if(strlen($vt)>1) $vt.=",";
$vt.='{"filename":"'.$filename.'","callerid":"'.$callerid.'","origtime":"'.$origtime.'","duration":"'.$duration.'"}';
}
}
$vt.="]";
// create json with list of voicemails
$answer='{"answer":"OK","message":"list of voicemail for '.$v[0].'","files":'.$vt.'}';
echo $answer."\n";
$client->send($answer);
sleep(1);
break;
}
//process the "getfile" request
if(strstr($read,"/getfile?")!=NULL){
$v=explode("?",$read);
if(!isset($v[1])){
$answer='{"answer":"KO","message":"Missing data for the query"}';
echo $answer."\n";
$client->send($answer);
sleep(1);
break;
}
$f=array();
parse_str($v[1], $f);
var_dump($f);
if(strlen($f["folder"])==0 || strlen($f["filename"])==0 || strlen($f["token"])==0){
$answer='{"answer":"KO","message":"Missing folder or filename"}';
echo $answer."\n";
$client->send($answer);
sleep(1);
break;
}
if(strstr($f["filename"],".wav")==NULL){
$answer='{"answer":"KO","message":"Filename is wrong, only .wav files are allowed"}';
echo $answer."\n";
$client->send($answer);
sleep(1);
break;
}
//remove \r\n if present in the filename field
$filename=str_replace("\n","",$f["filename"]);
$filename=str_replace("\r","",$filename);
//remove \r\n if present in the token field
$token=str_replace("\n","",$f["token"]);
$token=str_replace("\r","",$token);
// decrypt token and get the username
$cleartext=decrypt($token,$GLOBALS["SECRETSEED"]);
$v=explode("#",$cleartext);
if(!isset($v[0])){
$answer='{"answer":"KO","message":"Token not valid"}';
echo $answer."\n";
$client->send($answer);
sleep(1);
break;
}
if(time()>$v[1]){
$answer='{"answer":"KO","message":"Token is expired"}';
echo $answer."\n";
$client->send($answer);
sleep(1);
break;
}
$fp=$GLOBALS['MAILBOXPATH'].$v[0]."/".$f["folder"]."/".$filename;
if(file_exists($fp)){
$fh = fopen($fp, "rb");
$content = fread($fh, filesize($fp));
$encoded_data = base64_encode($content);
$mime_type ='audio/wav';
$binary_data = 'data:' . $mime_type . ';base64,' . $encoded_data ;
$client->send($binary_data);
sleep(1);
break;
}
$answer='{"answer":"KO","message":"File not found"}';
echo $answer."\n";
$client->send($answer);
sleep(1);
break;
}
//process the "rmfile" request
if(strstr($read,"/rmfile?")!=NULL){
$v=explode("?",$read);
if(!isset($v[1])){
$answer='{"answer":"KO","message":"Missing data for the query"}';
$client->send($answer);
sleep(1);
break;
}
$f=array();
parse_str($v[1], $f);
if(strlen($f["folder"])==0 || strlen($f["filename"])==0 || strlen($f["token"])==0){
$answer='{"answer":"KO","message":"Missing folder or filename"}';
$client->send($answer);
sleep(1);
break;
}
if(strstr($f["filename"],".wav")==NULL){
$answer='{"answer":"KO","message":"Filenam is wrong, only .wav files are allowed"}';
$client->send($answer);
sleep(1);
break;
}
//remove \r\n if present in the filename field
$filename=str_replace("\n","",$f["filename"]);
$filename=str_replace("\r","",$filename);
//remove \r\n if present in the token field
$token=str_replace("\n","",$f["token"]);
$token=str_replace("\r","",$token);
// decrypt token and get the username
$cleartext=decrypt($token,$GLOBALS["SECRETSEED"]);
$v=explode("#",$cleartext);
if(!isset($v[0])){
$answer='{"answer":"KO","message":"Token not valid"}';
$client->send($answer);
sleep(1);
break;
}
if(time()>$v[1]){
$answer='{"answer":"KO","message":"Token is expired"}';
$client->send($answer);
sleep(1);
break;
}
$fp=$GLOBALS['MAILBOXPATH'].$v[0]."/".$f["folder"]."/".$filename;
if(file_exists($fp)){
$fpt=str_replace(".wav",".txt",$fp);
$fpw=str_replace(".wav",".WAV",$fp);
$fpg=str_replace(".wav",".gsm",$fp);
unlink($fp);
unlink($fpt);
unlink($fpw);
unlink($fpg);
$answer='{"answer":"OK","message":"file deleted"}';
}
else
$answer='{"answer":"KO","message":"file not found"}';
$client->send($answer);
sleep(1);
break;
}
//process the "rmfileall" request
if(strstr($read,"/rmfileall?")!=NULL){
$v=explode("?",$read);
if(!isset($v[1])){
$answer='{"answer":"KO","message":"Missing data for the query"}';
$client->send($answer);
sleep(1);
break;
}
$f=array();
parse_str($v[1], $f);
if(strlen($f["folder"])==0 || strlen($f["token"])==0){
$answer='{"answer":"KO","message":"Missing folder or token"}';
$client->send($answer);
sleep(1);
break;
}
//remove \r\n if present in the token field
$token=str_replace("\n","",$f["token"]);
$token=str_replace("\r","",$token);
// decrypt token and get the username
$cleartext=decrypt($token,$GLOBALS["SECRETSEED"]);
$v=explode("#",$cleartext);
if(!isset($v[0])){
$answer='{"answer":"KO","message":"Token not valid"}';
$client->send($answer);
sleep(1);
break;
}
if(time()>$v[1]){
$answer='{"answer":"KO","message":"Token is expired"}';
$client->send($answer);
sleep(1);
break;
}
$fp=$GLOBALS['MAILBOXPATH'].$v[0]."/".$f["folder"];
$d=dir($fp);
if($d!=NULL){
while (($filename = $d->read()) !== false){
if($filename=="." || $filename=="..")
continue;
$fnr=$fp."/".$filename;
echo "deleting: ".$fnr."\n";
unlink($fnr);
}
$answer='{"answer":"OK","message":"all files deleted"}';
}
else
$answer='{"answer":"KO","message":"folder not found"}';
$client->send($answer);
sleep(1);
break;
}
//process the "archive" request
if(strstr($read,"/archive?")!=NULL){
$v=explode("?",$read);
if(!isset($v[1])){
$answer='{"answer":"KO","message":"Missing data for the query"}';
echo $answer."\n";
$client->send($answer);
sleep(1);
break;
}
$f=array();
parse_str($v[1], $f);
if(strlen($f["folder"])==0 || strlen($f["filename"])==0 || strlen($f["token"])==0){
$answer='{"answer":"KO","message":"Missing folder or filename"}';
echo $answer."\n";
$client->send($answer);
sleep(1);
break;
}
if(strstr($f["filename"],".wav")==NULL){
$answer='{"answer":"KO","message":"Filename is wrong, only .wav files are allowed"}';
echo $answer."\n";
$client->send($answer);
sleep(1);
break;
}
$folder=$f["folder"];
//remove \r\n if present in the filename field
$filename=str_replace("\n","",$f["filename"]);
$filename=str_replace("\r","",$filename);
//remove \r\n if present in the token field
$token=str_replace("\n","",$f["token"]);
$token=str_replace("\r","",$token);
// decrypt token and get the username
$cleartext=decrypt($token,$GLOBALS["SECRETSEED"]);
$v=explode("#",$cleartext);
if(!isset($v[0])){
$answer='{"answer":"KO","message":"Token not valid"}';
echo $answer."\n";
$client->send($answer);
sleep(1);
break;
}
if(time()>$v[1]){
$answer='{"answer":"KO","message":"Token is expired"}';
echo $answer."\n";
$client->send($answer);
sleep(1);
break;
}
$fp=$GLOBALS['MAILBOXPATH'].$v[0]."/".$f["folder"]."/".$filename;
if(file_exists($fp)){
$fpt=str_replace(".wav",".txt",$fp);
$fpw=str_replace(".wav",".WAV",$fp);
$fpg=str_replace(".wav",".gsm",$fp);
$dfp=str_replace("/".$folder."/","/Old/",$fp);
$dfpt=str_replace("/".$folder."/","/Old/",$fpt);
$dfpw=str_replace("/".$folder."/","/Old/",$fpw);
$dfpg=str_replace("/".$folder."/","/Old/",$fpg);
echo "rename: ".$fp." ".$fpd."\n";
rename($fp,$dfp);
echo "rename: ".$fpt." ".$dfpt."\n";
rename($fpt,$dfpt);
echo "rename: ".$fpw." ".$dfpw."\n";
rename($fpw,$dfpw);
echo "rename: ".$fpg." ".$dfpg."\n";
rename($fpg,$dfpg);
$answer='{"answer":"OK","message":"file archived"}';
echo $answer."\n";
}
else {
$answer='{"answer":"KO","message":"file not found"}';
echo $answer."\n";
$client->send($answer);
sleep(1);
break;
}
}
//process the "unarchive" request
if(strstr($read,"/unarchive?")!=NULL){
$v=explode("?",$read);
if(!isset($v[1])){
$answer='{"answer":"KO","message":"Missing data for the query"}';
echo $answer."\n";
$client->send($answer);
sleep(1);
break;
}
$f=array();
parse_str($v[1], $f);
if(strlen($f["folder"])==0 || strlen($f["filename"])==0 || strlen($f["token"])==0){
$answer='{"answer":"KO","message":"Missing folder or filename"}';
echo $answer."\n";
$client->send($answer);
sleep(1);
break;
}
if(strstr($f["filename"],".wav")==NULL){
$answer='{"answer":"KO","message":"Filename is wrong, only .wav files are allowed"}';
echo $answer."\n";
$client->send($answer);
sleep(1);
break;
}
$folder=$f["folder"];
//remove \r\n if present in the filename field
$filename=str_replace("\n","",$f["filename"]);
$filename=str_replace("\r","",$filename);
//remove \r\n if present in the token field
$token=str_replace("\n","",$f["token"]);
$token=str_replace("\r","",$token);
// decrypt token and get the username
$cleartext=decrypt($token,$GLOBALS["SECRETSEED"]);
$v=explode("#",$cleartext);
if(!isset($v[0])){
$answer='{"answer":"KO","message":"Token not valid"}';
echo $answer."\n";
$client->send($answer);
sleep(1);
break;
}
if(time()>$v[1]){
$answer='{"answer":"KO","message":"Token is expired"}';
echo $answer."\n";
$client->send($answer);
sleep(1);
break;
}
$fp=$GLOBALS['MAILBOXPATH'].$v[0]."/".$f["folder"]."/".$filename;
if(file_exists($fp)){
$fpt=str_replace(".wav",".txt",$fp);
$fpw=str_replace(".wav",".WAV",$fp);
$fpg=str_replace(".wav",".gsm",$fp);
$dfp=str_replace("/".$folder."/","/INBOX/",$fp);
$dfpt=str_replace("/".$folder."/","/INBOX/",$fpt);
$dfpw=str_replace("/".$folder."/","/INBOX/",$fpw);
$dfpg=str_replace("/".$folder."/","/INBOX/",$fpg);
echo "rename: ".$fp." ".$fpd."\n";
rename($fp,$dfp);
echo "rename: ".$fpt." ".$dfpt."\n";
rename($fpt,$dfpt);
echo "rename: ".$fpw." ".$dfpw."\n";
rename($fpw,$dfpw);
echo "rename: ".$fpg." ".$dfpg."\n";
rename($fpg,$dfpg);
$answer='{"answer":"OK","message":"file un-archived"}';
echo $answer."\n";
}
else {
$answer='{"answer":"KO","message":"file not found"}';
echo $answer."\n";
$client->send($answer);
sleep(1);
break;
}
}
// end processing GET request
}
$client->close();
printf( "[%s] Disconnected \n", $client->getAddress() );
exit(true);
}
// ENCRYPTION FUNCTION
function encrypt($cleartext,$pwd){
$iv=openssl_random_pseudo_bytes(64,$cs);
$iv=substr(base64_encode($iv),0,64);
$s=$iv;
$dpwd=openssl_pbkdf2($pwd,$iv,64,100,"sha512");
$ivl=openssl_cipher_iv_length($cipher="AES-256-OFB");
$ivc=substr($iv,0,$ivl);
$rc=openssl_encrypt($cleartext,"AES-256-OFB",$dpwd,$options=OPENSSL_RAW_DATA,$ivc);
$ivl=openssl_cipher_iv_length($cipher="chacha20");
$ivc=substr($iv,0,$ivl);
$rc=openssl_encrypt($rc,"CHACHA20",$dpwd,$options=OPENSSL_RAW_DATA,$ivc);
$ivl=openssl_cipher_iv_length($cipher="CAMELLIA-256-CFB");
$ivc=substr($iv,0,$ivl);
$rc=openssl_encrypt($rc,"CAMELLIA-256-CFB",$dpwd,$options=OPENSSL_RAW_DATA,$ivc);
$rcf=$iv."!".base64_encode($rc);
return($rcf);
}
// DECRYPTION FUNCTION
function decrypt($enctext,$pwd){
$s=$enctext;
$iv=substr($s,0,64);
$dbh=substr($s,64);
$db=base64_decode($dbh);
$dpwd=openssl_pbkdf2($pwd,$iv,64,100,"sha512");
$ivl=openssl_cipher_iv_length($cipher="CAMELLIA-256-CFB");
$ivc=substr($iv,0,$ivl);
$r=openssl_decrypt($db,"CAMELLIA-256-CFB",$dpwd,$options=OPENSSL_RAW_DATA,$ivc);
$ivl=openssl_cipher_iv_length($cipher="CHACHA20");
$ivc=substr($iv,0,$ivl);
$r=openssl_decrypt($r,"CHACHA20",$dpwd,$options=OPENSSL_RAW_DATA,$ivc);
$ivl=openssl_cipher_iv_length($cipher="AES-256-OFB");
$ivc=substr($iv,0,$ivl);
$r=openssl_decrypt($r,"AES-256-OFB",$dpwd,$options=OPENSSL_RAW_DATA,$ivc);
return($r);
}
//************************************************************
// SOCKET CLASS
//************************************************************
class SocketClient {
private $connection;
private $address;
private $port;
public function __construct( $connection ) {
$address = '';
$port = '';
socket_getsockname($connection, $address, $port);
$this->address = $address;
$this->port = $port;
$this->connection = $connection;
}
public function send( $message ) {
socket_write($this->connection, $message, strlen($message));
}
public function read($len = 1024) {
if ( ( $buf = @socket_read( $this->connection, $len, PHP_BINARY_READ ) ) === false ) {
return null;
}
return $buf;
}
public function getAddress() {
return $this->address;
}
public function getPort() {
return $this->port;
}
public function close() {
socket_shutdown( $this->connection );
socket_close( $this->connection );
}
}
class SocketException extends \Exception {
const CANT_CREATE_SOCKET = 1;
const CANT_BIND_SOCKET = 2;
const CANT_LISTEN = 3;
const CANT_ACCEPT = 4;
public $messages = array(
self::CANT_CREATE_SOCKET => 'Can\'t create socket: "%s"',
self::CANT_BIND_SOCKET => 'Can\'t bind socket: "%s"',
self::CANT_LISTEN => 'Can\'t listen: "%s"',
self::CANT_ACCEPT => 'Can\'t accept connections: "%s"',
);
public function __construct( $code, $params = false ) {
if( $params ) {
$args = array( $this->messages[ $code ], $params );
$message = call_user_func_array('sprintf', $args );
}
else {
$message = $this->messages[ $code ];
}
parent::__construct( $message, $code );
}
}
class SocketServer {
protected $sockServer;
protected $address;
protected $port;
protected $_listenLoop;
protected $connectionHandler;
public function __construct( $port = 4444, $address = '127.0.0.1' ) {
$this->address = $address;
$this->port = $port;
$this->_listenLoop = false;
}
public function init() {
$this->_createSocket();
$this->_bindSocket();
}
private function _createSocket() {
$this->sockServer = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
if( $this->sockServer === false ) {
throw new SocketException(
SocketException::CANT_CREATE_SOCKET,
socket_strerror(socket_last_error()) );
}
socket_set_option($this->sockServer, SOL_SOCKET, SO_REUSEADDR, 1);
}
private function _bindSocket() {
if( socket_bind($this->sockServer, $this->address, $this->port) === false ) {
throw new SocketException(
SocketException::CANT_BIND_SOCKET,
socket_strerror(socket_last_error( $this->sockServer ) ) );
}
}
public function setConnectionHandler( $handler ) {
$this->connectionHandler = $handler;
}
public function listen() {
if( socket_listen($this->sockServer, 5) === false) {
throw new SocketException(
SocketException::CANT_LISTEN,
socket_strerror(socket_last_error( $this->sockServer ) ) );
}
$this->_listenLoop = true;
$this->beforeServerLoop();
$this->serverLoop();
socket_close( $this->sockServer );
}
protected function beforeServerLoop() {
printf( "Listening on %s:%d...\n", $this->address, $this->port );
}
protected function serverLoop() {
while( $this->_listenLoop ) {
$status=0;
pcntl_wait($status,WNOHANG);
if( ( $client = @socket_accept( $this->sockServer ) ) === false ) {
throw new SocketException(
SocketException::CANT_ACCEPT,
socket_strerror(socket_last_error( $this->sockServer ) ) );
continue;
}
$socketClient = new SocketClient( $client );
if( is_array( $this->connectionHandler ) ) {
$object = $this->connectionHandler[0];
$method = $this->connectionHandler[1];
$object->$method( $socketClient );
}
else {
$function = $this->connectionHandler;
$function( $socketClient );
}
}
}
}
?>