Tenho este código: <?PHP
class smtp_class
{ var $user="";
var $realm="";
var $password="";
var $workstation="";
var $authentication_mechanism="";
var $host_name="";
var $host_port=25;
var $localhost="";
var $timeout=0;
var $data_timeout=0;
var $direct_delivery=0;
var $error="";
var $debug=0;
var $html_debug=0;
var $esmtp=1;
var $esmtp_host="";
var $esmtp_extensions=array();
var $maximum_piped_recipients=100;
var $exclude_address="";
var $getmxrr="GetMXRR";
var $pop3_auth_host="";
var $pop3_auth_port=110;
/* private variables - DO NOT ACCESS */
var $state="Disconnected";
var $connection=0;
var $pending_recipients=0;
var $next_token="";
var $direct_sender="";
var $connected_domain="";
var $result_code;
/* Private methods - DO NOT CALL */
Function Tokenize($string,$separator="")
{
if(!strcmp($separator,""))
{
$separator=$string;
$string=$this->next_token;
}
for($character=0;$character<strlen($separator);$character++)
{
if(GetType($position=strpos($string,$separator[$character]))=="integer")
$found=(IsSet($found) ? min($found,$position) : $position);
}
if(IsSet($found))
{
$this->next_token=substr($string,$found+1);
return(substr($string,0,$found));
}
else
{
$this->next_token="";
return($string);
}
}
Function OutputDebug($message)
{
$message.="\n";
if($this->html_debug)
$message=str_replace("\n","<br />\n",HtmlEntities($message));
echo $message;
flush();
}
Function SetDataAccessError($error)
{
$this->error=$error;
if(function_exists("socket_get_status"))
{
$status=socket_get_status($this->connection);
if($status["timed_out"])
$this->error.=": data access time out";
elseif($status["eof"])
$this->error.=": the server disconnected";
}
}
Function GetLine()
{
for($line="";;)
{
if(feof($this->connection))
{
$this->error="reached the end of data while reading from the SMTP server conection";
return("");
}
if(GetType($data=fgets($this->connection,100))!="string"
|| strlen($data)==0)
{
$this->SetDataAccessError("it was not possible to read line from the SMTP server");
return("");
}
$line.=$data;
$length=strlen($line);
if($length>=2
&& substr($line,$length-2,2)=="\r\n")
{
$line=substr($line,0,$length-2);
if($this->debug)
$this->OutputDebug("S $line");
return($line);
}
}
}
Function PutLine($line)
{
if($this->debug)
$this->OutputDebug("C $line");
if(!fputs($this->connection,"$line\r\n"))
{
$this->SetDataAccessError("it was not possible to send a line to the SMTP server");
return(0);
}
return(1);
}
Function PutData(&$data)
{
if(strlen($data))
{
if($this->debug)
$this->OutputDebug("C $data");
if(!fputs($this->connection,$data))
{
$this->SetDataAccessError("it was not possible to send data to the SMTP server");
return(0);
}
}
return(1);
}
Function VerifyResultLines($code,&$responses)
{
$responses=array();
Unset($this->result_code);
while(strlen($line=$this->GetLine($this->connection)))
{
if(IsSet($this->result_code))
{
if(strcmp($this->Tokenize($line," -"),$this->result_code))
{
$this->error=$line;
return(0);
}
}
else
{
$this->result_code=$this->Tokenize($line," -");
if(GetType($code)=="array")
{
for($codes=0;$codes<count($code) && strcmp($this->result_code,$code[$codes]);$codes++);
if($codes>=count($code))
{
$this->error=$line;
return(0);
}
}
else
{
if(strcmp($this->result_code,$code))
{
$this->error=$line;
return(0);
}
}
}
$responses[]=$this->Tokenize("");
if(!strcmp($this->result_code,$this->Tokenize($line," ")))
return(1);
}
return(-1);
}
Function FlushRecipients()
{
if($this->pending_sender)
{
if($this->VerifyResultLines("250",$responses)<=0)
return(0);
$this->pending_sender=0;
}
for(;$this->pending_recipients;$this->pending_recipients--)
{
if($this->VerifyResultLines(array("250","251"),$responses)<=0)
return(0);
}
return(1);
}
Function ConnectToHost($domain, $port, $resolve_message)
{
if(ereg('^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$',$domain))
$ip=$domain;
else
{
if($this->debug)
$this->OutputDebug($resolve_message);
if(!strcmp($ip=@gethostbyname($domain),$domain))
return("could not resolve host \"".$domain."\"");
}
if(strlen($this->exclude_address)
&& !strcmp(@gethostbyname($this->exclude_address),$ip))
return("domain \"".$domain."\" resolved to an address excluded to be valid");
if($this->debug)
$this->OutputDebug("Connecting to host address \"".$ip."\"...");
if(($this->connection=($this->timeout ? @fsockopen($ip,$port,$errno,$error,$this->timeout) : @fsockopen($ip,$port))))
return("");
$error=($this->timeout ? strval($error) : "??");
switch($error)
{
case "-3":
return("-3 socket could not be created");
case "-4":
return("-4 dns lookup on hostname \"".$domain."\" failed");
case "-5":
return("-5 connection refused or timed out");
case "-6":
return("-6 fdopen() call failed");
case "-7":
return("-7 setvbuf() call failed");
}
return("could not connect to the host \"".$domain."\": ".$error);
}
Function SASLAuthenticate($mechanisms, $credentials, &$authenticated, &$mechanism)
{
$authenticated=0;
if(!function_exists("class_exists")
|| !class_exists("sasl_client_class"))
{
$this->error="it is not possible to authenticate using the specified mechanism because the SASL library class is not loaded";
return(0);
}
$sasl=new sasl_client_class;
$sasl->SetCredential("user",$credentials["user"]);
$sasl->SetCredential("password",$credentials["password"]);
if(IsSet($credentials["realm"]))
$sasl->SetCredential("realm",$credentials["realm"]);
if(IsSet($credentials["workstation"]))
$sasl->SetCredential("workstation",$credentials["workstation"]);
if(IsSet($credentials["mode"]))
$sasl->SetCredential("mode",$credentials["mode"]);
do
{
$status=$sasl->Start($mechanisms,$message,$interactions);
}
while($status==SASL_INTERACT);
switch($status)
{
case SASL_CONTINUE:
break;
case SASL_NOMECH:
if(strlen($this->authentication_mechanism))
{
$this->error="authenticated mechanism ".$this->authentication_mechanism." may not be used: ".$sasl->error;
return(0);
}
break;
default:
$this->error="Could not start the SASL authentication client: ".$sasl->error;
return(0);
}
if(strlen($mechanism=$sasl->mechanism))
{
if($this->PutLine("AUTH ".$sasl->mechanism.(IsSet($message) ? " ".base64_encode($message) : ""))==0)
{
$this->error="Could not send the AUTH command";
return(0);
}
if(!$this->VerifyResultLines(array("235","334"),$responses))
return(0);
switch($this->result_code)
{
case "235":
$response="";
$authenticated=1;
break;
case "334":
$response=base64_decode($responses[0]);
break;
default:
$this->error="Authentication error: ".$responses[0];
return(0);
}
for(;!$authenticated;)
{
do
{
$status=$sasl->Step($response,$message,$interactions);
}
while($status==SASL_INTERACT);
switch($status)
{
case SASL_CONTINUE:
if($this->PutLine(base64_encode($message))==0)
{
$this->error="Could not send the authentication step message";
return(0);
}
if(!$this->VerifyResultLines(array("235","334"),$responses))
return(0);
switch($this->result_code)
{
case "235":
$response="";
$authenticated=1;
break;
case "334":
$response=base64_decode($responses[0]);
break;
default:
$this->error="Authentication error: ".$responses[0];
return(0);
}
break;
default:
$this->error="Could not process the SASL authentication step: ".$sasl->error;
return(0);
}
}
}
return(1);
}
/* Public methods */
Function Connect($domain="")
{
if(strcmp($this->state,"Disconnected"))
{
$this->error="connection is already established";
return(0);
}
$this->error=$error="";
$this->esmtp_host="";
$this->esmtp_extensions=array();
$hosts=array();
if($this->direct_delivery)
{
if(strlen($domain)==0)
return(1);
$hosts=$weights=$mxhosts=array();
$getmxrr=$this->getmxrr;
if(function_exists($getmxrr)
&& $getmxrr($domain,$hosts,$weights))
{
for($host=0;$host<count($hosts);$host++)
$mxhosts[$weights[$host]]=$hosts[$host];
KSort($mxhosts);
for(Reset($mxhosts),$host=0;$host<count($mxhosts);Next($mxhosts),$host++)
$hosts[$host]=$mxhosts[Key($mxhosts)];
}
else
{
if(strcmp(@gethostbyname($domain),$domain)!=0)
$hosts[]=$domain;
}
}
else
{
if(strlen($this->host_name))
$hosts[]=$this->host_name;
if(strlen($this->pop3_auth_host))
{
$user=$this->user;
if(strlen($user)==0)
{
$this->error="it was not specified the POP3 authentication user";
return(0);
}
$password=$this->password;
if(strlen($password)==0)
{
$this->error="it was not specified the POP3 authentication password";
return(0);
}
$domain=$this->pop3_auth_host;
$this->error=$this->ConnectToHost($domain, $this->pop3_auth_port, "Resolving POP3 authentication host \"".$domain."\"...");
if(strlen($this->error))
return(0);
if(strlen($response=$this->GetLine())==0)
return(0);
if(strcmp($this->Tokenize($response," "),"+OK"))
{
$this->error="POP3 authentication server greeting was not found";
return(0);
}
if(!$this->PutLine("USER ".$this->user)
|| strlen($response=$this->GetLine())==0)
return(0);
if(strcmp($this->Tokenize($response," "),"+OK"))
{
$this->error="POP3 authentication user was not accepted: ".$this->Tokenize("\r\n");
return(0);
}
if(!$this->PutLine("PASS ".$password)
|| strlen($response=$this->GetLine())==0)
return(0);
if(strcmp($this->Tokenize($response," "),"+OK"))
{
$this->error="POP3 authentication password was not accepted: ".$this->Tokenize("\r\n");
return(0);
}
fclose($this->connection);
$this->connection=0;
}
}
if(count($hosts)==0)
{
$this->error="could not determine the SMTP to connect";
return(0);
}
for($host=0, $error="not connected";strlen($error) && $host<count($hosts);$host++)
{
$domain=$hosts[$host];
$error=$this->ConnectToHost($domain, $this->host_port, "Resolving SMTP server domain \"$domain\"...");
}
if(strlen($error))
{
$this->error=$error;
return(0);
}
$timeout=($this->data_timeout ? $this->data_timeout : $this->timeout);
if($timeout
&& function_exists("socket_set_timeout"))
socket_set_timeout($this->connection,$timeout,0);
if($this->debug)
$this->OutputDebug("Connected to SMTP server \"".$domain."\".");
if(!strcmp($localhost=$this->localhost,"")
&& !strcmp($localhost=getenv("SERVER_NAME"),"")
&& !strcmp($localhost=getenv("HOST"),""))
$localhost="localhost";
$success=0;
if($this->VerifyResultLines("220",$responses)>0)
{
$fallback=1;
if($this->esmtp
|| strlen($this->user))
{
if($this->PutLine("EHLO $localhost"))
{
if(($success_code=$this->VerifyResultLines("250",$responses))>0)
{
$this->esmtp_host=$this->Tokenize($responses[0]," ");
for($response=1;$response<count($responses);$response++)
{
$extension=strtoupper($this->Tokenize($responses[$response]," "));
$this->esmtp_extensions[$extension]=$this->Tokenize("");
}
$success=1;
$fallback=0;
}
else
{
if($success_code==0)
{
$code=$this->Tokenize($this->error," -");
switch($code)
{
case "421":
$fallback=0;
break;
}
}
}
}
else
$fallback=0;
}
if($fallback)
{
if($this->PutLine("HELO $localhost")
&& $this->VerifyResultLines("250",$responses)>0)
$success=1;
}
if($success
&& strlen($this->user)
&& strlen($this->pop3_auth_host)==0)
{
if(!IsSet($this->esmtp_extensions["AUTH"]))
{
$this->error="server does not require authentication";
$success=0;
}
else
{
if(strlen($this->authentication_mechanism))
$mechanisms=array($this->authentication_mechanism);
else
{
$mechanisms=array();
for($authentication=$this->Tokenize($this->esmtp_extensions["AUTH"]," ");strlen($authentication);$authentication=$this->Tokenize(" "))
$mechanisms[]=$authentication;
}
$credentials=array(
"user"=>$this->user,
"password"=>$this->password
);
if(strlen($this->realm))
$credentials["realm"]=$this->realm;
if(strlen($this->workstation))
$credentials["workstation"]=$this->workstation;
$success=$this->SASLAuthenticate($mechanisms,$credentials,$authenticated,$mechanism);
if(!$success
&& !strcmp($mechanism,"PLAIN"))
{
/*
* Author: Russell Robinson, 25 May 2003, http://www.tectite.com/
* Purpose: Try various AUTH PLAIN authentication methods.
*/
$mechanisms=array("PLAIN");
$credentials=array(
"user"=>$this->user,
"password"=>$this->password
);
if(strlen($this->realm))
{
/*
* According to: http://www.sendmail.org/~ca/email/authrealms.html#authpwcheck_method
* some sendmails won't accept the realm, so try again without it
*/
$success=$this->SASLAuthenticate($mechanisms,$credentials,$authenticated,$mechanism);
}
if(!$success)
{
/*
* It was seen an EXIM configuration like this:
* user^password^unused
*/
$credentials["mode"]=SASL_PLAIN_EXIM_DOCUMENTATION_MODE;
$success=$this->SASLAuthenticate($mechanisms,$credentials,$authenticated,$mechanism);
}
if(!$success)
{
/*
* ... though: http://exim.work.de/exim-html-3.20/doc/html/spec_36.html
* specifies: ^user^password
*/
$credentials["mode"]=SASL_PLAIN_EXIM_MODE;
$success=$this->SASLAuthenticate($mechanisms,$credentials,$authenticated,$mechanism);
}
}
if($success
&& strlen($mechanism)==0)
{
$this->error="it is not supported any of the authentication mechanisms required by the server";
$success=0;
}
}
}
}
if($success)
{
$this->state="Connected";
$this->connected_domain=$domain;
}
else
{
fclose($this->connection);
$this->connection=0;
}
return($success);
}
Function MailFrom($sender)
{
if($this->direct_delivery)
{
switch($this->state)
{
case "Disconnected":
$this->direct_sender=$sender;
return(1);
case "Connected":
$sender=$this->direct_sender;
break;
default:
$this->error="direct delivery connection is already established and sender is already set";
return(0);
}
}
else
{
if(strcmp($this->state,"Connected"))
{
$this->error="connection is not in the initial state";
return(0);
}
}
$this->error="";
if(!$this->PutLine("MAIL FROM:<$sender>"))
return(0);
if(!IsSet($this->esmtp_extensions["PIPELINING"])
&& $this->VerifyResultLines("250",$responses)<=0)
return(0);
$this->state="SenderSet";
if(IsSet($this->esmtp_extensions["PIPELINING"]))
$this->pending_sender=1;
$this->pending_recipients=0;
return(1);
}
Function SetRecipient($recipient)
{
if($this->direct_delivery)
{
if(GetType($at=strrpos($recipient,"@"))!="integer")
return("it was not specified a valid direct recipient");
$domain=substr($recipient,$at+1);
switch($this->state)
{
case "Disconnected":
if(!$this->Connect($domain))
return(0);
if(!$this->MailFrom(""))
{
$error=$this->error;
$this->Disconnect();
$this->error=$error;
return(0);
}
break;
case "SenderSet":
case "RecipientSet":
if(strcmp($this->connected_domain,$domain))
{
$this->error="it is not possible to deliver directly to recipients of different domains";
return(0);
}
break;
default:
$this->error="connection is already established and the recipient is already set";
return(0);
}
}
else
{
switch($this->state)
{
case "SenderSet":
case "RecipientSet":
break;
default:
$this->error="connection is not in the recipient setting state";
return(0);
}
}
$this->error="";
if(!$this->PutLine("RCPT TO:<$recipient>"))
return(0);
if(IsSet($this->esmtp_extensions["PIPELINING"]))
{
$this->pending_recipients++;
if($this->pending_recipients>=$this->maximum_piped_recipients)
{
if(!$this->FlushRecipients())
return(0);
}
}
else
{
if($this->VerifyResultLines(array("250","251"),$responses)<=0)
return(0);
}
$this->state="RecipientSet";
return(1);
}
Function StartData()
{
if(strcmp($this->state,"RecipientSet"))
{
$this->error="connection is not in the start sending data state";
return(0);
}
$this->error="";
if(!$this->PutLine("DATA"))
return(0);
if($this->pending_recipients)
{
if(!$this->FlushRecipients())
return(0);
}
if($this->VerifyResultLines("354",$responses)<=0)
return(0);
$this->state="SendingData";
return(1);
}
Function PrepareData(&$data,&$output,$preg=1)
{
if($preg
&& function_exists("preg_replace"))
$output=preg_replace(array("/\n\n|\r\r/","/(^|[^\r])\n/","/\r([^\n]|\$)/D","/(^|\n)\\./"),array("\r\n\r\n","\\1\r\n","\r\n\\1","\\1.."),$data);
else
$output=ereg_replace("(^|\n)\\.","\\1..",ereg_replace("\r([^\n]|\$)","\r\n\\1",ereg_replace("(^|[^\r])\n","\\1\r\n",ereg_replace("\n\n|\r\r","\r\n\r\n",$data))));
}
Function SendData($data)
{
if(strcmp($this->state,"SendingData"))
{
$this->error="connection is not in the sending data state";
return(0);
}
$this->error="";
return($this->PutData($data));
}
Function EndSendingData()
{
if(strcmp($this->state,"SendingData"))
{
$this->error="connection is not in the sending data state";
return(0);
}
$this->error="";
if(!$this->PutLine("\r\n.")
|| $this->VerifyResultLines("250",$responses)<=0)
return(0);
$this->state="Connected";
return(1);
}
Function ResetConnection()
{
switch($this->state)
{
case "Connected":
return(1);
case "SendingData":
$this->error="can not reset the connection while sending data";
return(0);
case "Disconnected":
$this->error="can not reset the connection before it is established";
return(0);
}
$this->error="";
if(!$this->PutLine("RSET")
|| $this->VerifyResultLines("250",$responses)<=0)
return(0);
$this->state="Connected";
return(1);
}
Function Disconnect($quit=1)
{
if(!strcmp($this->state,"Disconnected"))
{
$this->error="it was not previously established a SMTP connection";
return(0);
}
$this->error="";
if(!strcmp($this->state,"Connected")
&& $quit
&& (!$this->PutLine("QUIT")
|| $this->VerifyResultLines("221",$responses)<=0))
return(0);
fclose($this->connection);
$this->connection=0;
$this->state="Disconnected";
if($this->debug)
$this->OutputDebug("Disconnected.");
return(1);
}
Function SendMessage($sender,$recipients,$headers,$body)
{
if(($success=$this->Connect()))
{
if(($success=$this->MailFrom($sender)))
{
for($recipient=0;$recipient<count($recipients);$recipient++)
{
if(!($success=$this->SetRecipient($recipients[$recipient])))
break;
}
if($success
&& ($success=$this->StartData()))
{
for($header_data="",$header=0;$header<count($headers);$header++)
$header_data.=$headers[$header]."\r\n";
if(($success=$this->SendData($header_data."\r\n")))
{
$this->PrepareData($body,$body_data);
$success=$this->SendData($body_data);
}
if($success)
$success=$this->EndSendingData();
}
}
$error=$this->error;
$disconnect_success=$this->Disconnect($success);
if($success)
$success=$disconnect_success;
else
$this->error=$error;
}
return($success);
}
};
?> Ele está dando o seguinte erro: "Fatal error: Cannot redeclare class smtp_class in c:\arquivos de programas\easyphp1-8\www\site\smtp\smtp.php on line 4" Ele está dando erro na linha 4 "{ var $user="";" Alguém sabe como resolver isso?
