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<?php |
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/* --------------------------------------------------------- |
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MIME Class: |
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Allows creation of e-mail messages via the MIME Standard. |
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The class supports multiple attachments and presenting |
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an e-mail in HTML. |
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--------------------------------------------------------- */ |
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//include ("MIME.def"); |
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|
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define('BASE64', 'base64'); |
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define('BIT7', '7bit'); |
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define('QP', 'quoted_printable'); |
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define('NOSUBJECT', '(No Subject)'); |
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define('WARNING', 'This is a MIME encoded message'); |
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define('OCTET', 'application/octet-stream'); |
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define('TEXT', 'text/plain'); |
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define('HTML', 'text/html'); |
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define('JPEG', 'image/jpg'); |
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define('GIF', 'image/gif'); |
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define('CRLF', "\r\n"); |
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define('CHARSET', 'us-ascii'); |
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define('INLINE', 'inline'); |
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define('ATTACH', 'attachment'); |
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define('BODY', CRLF.'BODY'.CRLF); |
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|
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class MIME_mail { |
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//public: |
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var $to; |
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var $from; |
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var $subject; |
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var $body; |
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var $headers = ""; |
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var $errstr=""; |
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|
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// these are the names of the encoding functions, user |
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// provide the names of user-defined functions |
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|
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var $base64_func= ''; # if !specified use PHP's base64 |
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var $qp_func = ''; # None at this time |
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|
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// If do not have a local mailer..use this array to pass info of an SMTP object |
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// e.g. $mime_mail->mailer = array('name' => 'smtp', method => 'smtp_send()'); |
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// 'name' is the name of the object less the $ and 'method' can have parameters |
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// specific to itself. If you are using MIME_mail object's to, from, etc. |
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// remember to send parameters a literal strings referring 'this' object!!!! |
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// If in doubt, you are probably better off subclassing this class... |
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var $mailer = ""; # Set this to the name of a valid mail object |
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|
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//private: |
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var $mimeparts = array(); |
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|
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// Constructor. |
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function MIME_mail($from="", $to="", $subject="", $body="", $headers = "") { |
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$this->to = $to; |
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$this->from = $from; |
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$this->subject = $subject; |
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$this->body = $body; |
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if (is_array($headers)) { |
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if (sizeof($headers)>1) |
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$headers=join(CRLF, $headers); |
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else |
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$headers=$headers[0]; |
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} |
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if ($from) { |
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$headers = preg_replace("!(from:\ ?.+?[\r\n]?\b)!i", '', $headers); |
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} |
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$this->headers = chop($headers); |
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$this->mimeparts[] = "" ; //Bump up location 0; |
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$this->errstr = ""; |
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return; |
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} |
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|
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/* --------------------------------------------------------- |
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Attach a 'file' to e-mail message |
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Pass a file name to attach. |
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This function returns a success/failure code/key of current |
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attachment in array (+1). Read attach() below. |
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--------------------------------------------------------- */ |
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function fattach($path, $description = "", $contenttype = OCTET, $encoding = BASE64, $disp = '') { |
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$this->errstr = ""; |
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if (!file_exists($path)) { |
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$this->errstr = "File does not exist"; |
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return 0; |
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} |
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// Read in file |
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$fp = fopen($path, "rb"); # (b)inary for Win compatability |
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if (!$fp) { |
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$this->errstr = "fopen() failed"; |
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return 0; //failed |
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} |
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$contenttype .= ";\r\n\tname=".basename($path); |
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$data = fread($fp, filesize($path)); |
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return $this->attach($data, |
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$description, |
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$contenttype, |
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$encoding, |
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$disp); |
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} |
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|
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/* --------------------------------------------------------- |
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Attach data provided by user (rather than a file) |
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Useful when you want to MIME encode user input |
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like HTML. NOTE: This function returns key at which the requested |
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data is attached. IT IS CURRENT KEY VALUE + 1!! |
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Construct the body with MIME parts |
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--------------------------------------------------------- */ |
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function attach($data, $description = "", $contenttype = OCTET, $encoding = BASE64, $disp = '') { |
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$this->errstr = ""; |
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if (empty($data)) { |
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$this->errstr = "No data to be attached"; |
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return 0; |
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} |
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if (trim($contenttype) == '') $contenttype = OCTET ; |
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if (trim($encoding) == '') $encoding = BASE64; |
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if ($encoding == BIT7) $emsg = $data; |
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elseif ($encoding == QP) |
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$emsg = $$this->qp_func($data); |
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elseif ($encoding == BASE64) { |
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if (!$this->base64_func) # Check if there is user-defined function |
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$emsg = base64_encode($data); |
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else |
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$emsg = $$this->base64_func($data); |
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} |
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$emsg = chunk_split($emsg); |
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//Check if content-type is text/plain and if charset is not specified append default CHARSET |
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if (preg_match("!^".TEXT."!i", $contenttype) && !preg_match("!;charset=!i", $contenttype)) |
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$contenttype .= ";\r\n\tcharset=".CHARSET ; |
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$msg = sprintf("Content-Type: %sContent-Transfer-Encoding: %s%s%s%s", |
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$contenttype.CRLF, |
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$encoding.CRLF, |
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((($description) && (BODY != $description))?"Content-Description: $description".CRLF:""), |
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($disp?"Content-Disposition: $disp".CRLF:""), |
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CRLF.$emsg.CRLF); |
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BODY==$description? $this->mimeparts[0] = $msg: $this->mimeparts[] = $msg ; |
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return sizeof($this->mimeparts); |
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} |
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|
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/* --------------------------------------------------------- |
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private: |
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Construct mail message header from info already given. |
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This is a very important function. It shows how exactly |
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the MIME message is constructed. |
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--------------------------------------------------------- */ |
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function build_message() { |
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|
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|
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$this->errstr = ""; |
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$msg = ""; |
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$boundary = 'PM'.chr(rand(65, 91)).'------'.md5(uniqid(rand())); # Boundary marker |
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$nparts = sizeof($this->mimeparts); |
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|
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// Case 1: Attachment list is there. Therefore MIME Message header must have multipart/mixed |
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if (is_array($this->mimeparts) && ($nparts > 1)): |
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$c_ver = "MIME-Version: 1.0".CRLF; |
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$c_type = 'Content-Type: multipart/mixed;'.CRLF."\tboundary=\"$boundary\"".CRLF; |
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$c_enc = "Content-Transfer-Encoding: ".BIT7.CRLF; |
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$c_desc = $c_desc?"Content-Description: $c_desc".CRLF:""; |
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$warning = CRLF.WARNING.CRLF.CRLF ; |
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|
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// Since we are here, it means we do have attachments => body must become an attachment too. |
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if (!empty($this->body)) { |
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$this->attach($this->body, BODY, TEXT, BIT7); |
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} |
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|
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// Now create the MIME parts of the email! |
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for ($i=0 ; $i < $nparts; $i++) { |
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if (!empty($this->mimeparts[$i])) |
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$msg .= CRLF.'--'.$boundary.CRLF.$this->mimeparts[$i].CRLF; |
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} |
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$msg .= '--'.$boundary.'--'.CRLF; |
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$msg = $c_ver.$c_type.$c_enc.$c_desc.$warning.$msg; |
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else: |
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if (!empty($this->body)) $msg .= $this->body.CRLF.CRLF; |
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endif; |
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return $msg; |
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} |
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|
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|
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/* --------------------------------------------------------- |
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public: |
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Now Generate the entire Mail Message, header and body et al. |
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--------------------------------------------------------- */ |
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function gen_email($force=false) { |
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|
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$this->errstr = ""; |
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if (!empty($this->email) && !$force) return $this->email ; // saves processing |
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$email = ""; |
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if (empty($this->subject)) $this->subject = NOSUBJECT; |
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if (!empty($this->from)) $email .= 'From: '.$this->from.CRLF; |
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if (!empty($this->headers)) $email .= $this->headers.CRLF; |
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$email .= $this->build_message(); |
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$this->email = $email; |
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return $this->email; |
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} |
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|
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/* --------------------------------------------------------- |
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public: |
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Printable form |
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--------------------------------------------------------- */ |
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function print_mail($force=false) { |
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$this->errstr = ""; |
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$email = $this->gen_email($force); |
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if (!empty($this->to)) $email = 'To: '.$this->to.CRLF.$email; |
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if (!empty($this->subject)) $email = 'Subject: '.$this->subject.CRLF.$email; |
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print $email; |
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} |
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|
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/* --------------------------------------------------------- |
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public: |
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Send mail via local mailer |
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--------------------------------------------------------- */ |
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function send_mail($force=false) { |
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$this->errstr = ""; |
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$email = $this->gen_email($force); |
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if (empty($this->to)) { |
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$this->errstr = "To Address not specified"; |
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return 0; |
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} |
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if (is_array($this->mailer) && (1 == sizeof($this->mailer)) ) { |
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$mail_obj = $this->mailer['name']; |
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$mail_method = $this->mailer['method']; |
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if (empty($mail_obj)) { |
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$this->errstr = "Invalid object name passed to send_mail()"; |
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return 0; |
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} |
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global $mail_obj; |
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eval("$ret = \$$mail_obj".'->'."$mail_method;"); |
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return $ret; |
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} |
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return mail($this->to, $this->subject, "", $email); |
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} |
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} // Class End |
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