Codice PHP:
/////////////////////////////////////////////////
// MESSAGE CREATION METHODS
/////////////////////////////////////////////////
/**
* Creates recipient headers.
* @access private
* @return string
*/
function AddrAppend($type, $addr) {
$addr_str = $type . ": ";
$addr_str .= $this->AddrFormat($addr[0]);
if(count($addr) > 1)
{
for($i = 1; $i < count($addr); $i++)
$addr_str .= ", " . $this->AddrFormat($addr[$i]);
}
$addr_str .= $this->LE;
return $addr_str;
}
/**
* Formats an address correctly.
* @access private
* @return string
*/
function AddrFormat($addr) {
if(empty($addr[1]))
$formatted = $addr[0];
else
{
$formatted = $this->EncodeHeader($addr[1], 'phrase') . " <" .
$addr[0] . ">";
}
return $formatted;
}
/**
* Wraps message for use with mailers that do not
* automatically perform wrapping and for quoted-printable.
* Original written by philippe.
* @access private
* @return string
*/
function WrapText($message, $length, $qp_mode = false) {
$soft_break = ($qp_mode) ? sprintf(" =%s", $this->LE) : $this->LE;
$message = $this->FixEOL($message);
if (substr($message, -1) == $this->LE)
$message = substr($message, 0, -1);
$line = explode($this->LE, $message);
$message = "";
for ($i=0 ;$i < count($line); $i++)
{
$line_part = explode(" ", $line[$i]);
$buf = "";
for ($e = 0; $e<count($line_part); $e++)
{
$word = $line_part[$e];
if ($qp_mode and (strlen($word) > $length))
{
$space_left = $length - strlen($buf) - 1;
if ($e != 0)
{
if ($space_left > 20)
{
$len = $space_left;
if (substr($word, $len - 1, 1) == "=")
$len--;
elseif (substr($word, $len - 2, 1) == "=")
$len -= 2;
$part = substr($word, 0, $len);
$word = substr($word, $len);
$buf .= " " . $part;
$message .= $buf . sprintf("=%s", $this->LE);
}
else
{
$message .= $buf . $soft_break;
}
$buf = "";
}
while (strlen($word) > 0)
{
$len = $length;
if (substr($word, $len - 1, 1) == "=")
$len--;
elseif (substr($word, $len - 2, 1) == "=")
$len -= 2;
$part = substr($word, 0, $len);
$word = substr($word, $len);
if (strlen($word) > 0)
$message .= $part . sprintf("=%s", $this->LE);
else
$buf = $part;
}
}
else
{
$buf_o = $buf;
$buf .= ($e == 0) ? $word : (" " . $word);
if (strlen($buf) > $length and $buf_o != "")
{
$message .= $buf_o . $soft_break;
$buf = $word;
}
}
}
$message .= $buf . $this->LE;
}
return $message;
}
/**
* Set the body wrapping.
* @access private
* @return void
*/
function SetWordWrap() {
if($this->WordWrap < 1)
return;
switch($this->message_type)
{
case "alt":
// fall through
case "alt_attachment":
$this->AltBody = $this->WrapText($this->AltBody, $this->WordWrap);
break;
default:
$this->Body = $this->WrapText($this->Body, $this->WordWrap);
break;
}
}
/**
* Assembles message header.
* @access private
* @return string
*/
function CreateHeader() {
$result = "";
// Set the boundaries
$uniq_id = md5(uniqid(time()));
$this->boundary[1] = "b1_" . $uniq_id;
$this->boundary[2] = "b2_" . $uniq_id;
$result .= $this->HeaderLine("Date", $this->RFCDate());
if($this->Sender == "")
$result .= $this->HeaderLine("Return-Path", trim($this->From));
else
$result .= $this->HeaderLine("Return-Path", trim($this->Sender));
// To be created automatically by mail()
if($this->Mailer != "mail")
{
if(count($this->to) > 0)
$result .= $this->AddrAppend("To", $this->to);
else if (count($this->cc) == 0)
$result .= $this->HeaderLine("To", "undisclosed-recipients:;");
if(count($this->cc) > 0)
$result .= $this->AddrAppend("Cc", $this->cc);
}
$from = array();
$from[0][0] = trim($this->From);
$from[0][1] = $this->FromName;
$result .= $this->AddrAppend("From", $from);
// sendmail and mail() extract Bcc from the header before sending
if((($this->Mailer == "sendmail") || ($this->Mailer == "mail")) && (count($this->bcc) > 0))
$result .= $this->AddrAppend("Bcc", $this->bcc);
if(count($this->ReplyTo) > 0)
$result .= $this->AddrAppend("Reply-to", $this->ReplyTo);
// mail() sets the subject itself
if($this->Mailer != "mail")
$result .= $this->HeaderLine("Subject", $this->EncodeHeader(trim($this->Subject)));
$result .= sprintf("Message-ID: <%s@%s>%s", $uniq_id, $this->ServerHostname(), $this->LE);
$result .= $this->HeaderLine("X-Priority", $this->Priority);
$result .= $this->HeaderLine("X-Mailer", "PHPMailer [version " . $this->Version . "]");
if($this->ConfirmReadingTo != "")
{
$result .= $this->HeaderLine("Disposition-Notification-To",
"<" . trim($this->ConfirmReadingTo) . ">");
}
// Add custom headers
for($index = 0; $index < count($this->CustomHeader); $index++)
{
$result .= $this->HeaderLine(trim($this->CustomHeader[$index][0]),
$this->EncodeHeader(trim($this->CustomHeader[$index][1])));
}
$result .= $this->HeaderLine("MIME-Version", "1.0");
switch($this->message_type)
{
case "plain":
$result .= $this->HeaderLine("Content-Transfer-Encoding", $this->Encoding);
$result .= sprintf("Content-Type: %s; charset=\"%s\"",
$this->ContentType, $this->CharSet);
break;
case "attachments":
// fall through
case "alt_attachments":
if($this->InlineImageExists())
{
$result .= sprintf("Content-Type: %s;%s\ttype=\"text/html\";%s\tboundary=\"%s\"%s",
"multipart/related", $this->LE, $this->LE,
$this->boundary[1], $this->LE);
}
else
{
$result .= $this->HeaderLine("Content-Type", "multipart/mixed;");
$result .= $this->TextLine("\tboundary=\"" . $this->boundary[1] . '"');
}
break;
case "alt":
$result .= $this->HeaderLine("Content-Type", "multipart/alternative;");
$result .= $this->TextLine("\tboundary=\"" . $this->boundary[1] . '"');
break;
}
if($this->Mailer != "mail")
$result .= $this->LE.$this->LE;
return $result;
}
/**
* Assembles the message body. Returns an empty string on failure.
* @access private
* @return string
*/
function CreateBody() {
$result = "";
$this->SetWordWrap();
switch($this->message_type)
{
case "alt":
$result .= $this->GetBoundary($this->boundary[1], "",
"text/plain", "");
$result .= $this->EncodeString($this->AltBody, $this->Encoding);
$result .= $this->LE.$this->LE;
$result .= $this->GetBoundary($this->boundary[1], "",
"text/html", "");
$result .= $this->EncodeString($this->Body, $this->Encoding);
$result .= $this->LE.$this->LE;
$result .= $this->EndBoundary($this->boundary[1]);
break;
case "plain":
$result .= $this->EncodeString($this->Body, $this->Encoding);
break;
case "attachments":
$result .= $this->GetBoundary($this->boundary[1], "", "", "");
$result .= $this->EncodeString($this->Body, $this->Encoding);
$result .= $this->LE;
$result .= $this->AttachAll();
break;
case "alt_attachments":
$result .= sprintf("--%s%s", $this->boundary[1], $this->LE);
$result .= sprintf("Content-Type: %s;%s" .
"\tboundary=\"%s\"%s",
"multipart/alternative", $this->LE,
$this->boundary[2], $this->LE.$this->LE);
// Create text body
$result .= $this->GetBoundary($this->boundary[2], "",
"text/plain", "") . $this->LE;
$result .= $this->EncodeString($this->AltBody, $this->Encoding);
$result .= $this->LE.$this->LE;
// Create the HTML body
$result .= $this->GetBoundary($this->boundary[2], "",
"text/html", "") . $this->LE;
$result .= $this->EncodeString($this->Body, $this->Encoding);
$result .= $this->LE.$this->LE;
$result .= $this->EndBoundary($this->boundary[2]);
$result .= $this->AttachAll();
break;
}
if($this->IsError())
$result = "";
return $result;
}
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