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<?php
/*
* Collection de fonctions pour une authentification externe POP3
*/
// Constantes d'erreur
define("ERR_POP3_AUTH_BADSOCK", -1);
define("ERR_POP3_AUTH_SERVERNACK", -2);
define("ERR_POP3_AUTH_BADUSER", -3);
define("ERR_POP3_AUTH_BADPASS", -4);
define("ERR_BAD_PARAMS", -100);
// Fonction d'authentification pop3
function pop3_auth_simple($mail, $upw)
{
//~ echo "DEBUG : function pop3_auth_simple($mail, $upw)\n";
//~ if ( ($ret = ereg ( "(^.*)@([[:alnum:]]+\.[[:alnum:]]+)", $mail, $re_tokens ) ) )
if ( ($ret = ereg ( "(^.*)@(.+)", $mail, $re_tokens ) ) )
{
/* $re_tokens []
* [0] : email complet
* [1] : nom_mail
* [2] : serveur_mail
*/
$server_mail=strtolower($re_tokens[2]);
include('config.inc.php');
if ( isset($CONFIG['AUTH']['POP']['SERVERS'][$server_mail]) )
{
$srv_conf = $CONFIG['AUTH']['POP']['SERVERS'][$server_mail];
if ( is_array($srv_conf) )
{
$server=$srv_conf['subdomain'];
$port=$srv_conf['port'];
if ( $srv_conf['username_is_full_mail'] )
{ $user = $mail; } else { $user = $re_tokens[1]; }
return pop3_auth ($server, $port, $user, $upw);
}
}
//~ else { print_r($CONFIG); echo "\nDEBUG : \$server_mail==$server_mail\n";}
}//else echo "Pb EREG\n";
/* DEBUG
echo $mail . "\n" . $ret . "\n";;
print_r($re_tokens);
*/
return ERR_BAD_PARAMS;
}
function pop3_auth ($server, $port, $user, $upw)
{
//~ echo "function pop3_auth ($server, $port, $user, $upw)\n";
//echo "DEBUG : fsockopen($server, $port, $errno, $errstr, 10);";
$sock = @fsockopen($server, $port, $errno, $errstr, 10);
if ( $sock === false)
{
return ERR_POP3_AUTH_BADSOCK;
}
//stream_set_timeout ( $sock, 1, 0 );
fputs($sock, "user $user\r\n");
if ( pop3_GetAndTestReply($sock) === false )
{
return ERR_POP3_AUTH_BADUSER;
}
fputs($sock, "pass $upw\r\n");
if ( pop3_GetAndTestReply($sock) === false )
{
return ERR_POP3_AUTH_BADPASS;
}
fputs($sock, "quit\r\n");
return 0;
}
// Fonction interne testant les réponses du serveur POP3
function pop3_GetAndTestReply($sock)
{
$reply = fgets($sock, 128);
echo $reply . "\n";
return ( substr($reply, 0, 4) == "+OK " );
}
?>
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