note 49892 added to function.openssl-pkcs7-sign
| From: | maarten at xolphin dot nl | Date: | Fri, 11 Feb 2005 10:24:10 +0000 |
| Subject: | note 49892 added to function.openssl-pkcs7-sign | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-84848@lists.php.net to get a copy of this message | ||
It is also possible to sign message including attachments. An easy way to do this:
<?
$boundary = md5(uniqid(time()));
$boddy = "MIME-Version: 1.0\n";
$boddy .= "Content-Type: multipart/mixed; boundary=\"" . $boundary.
"\"\n";
$boddy .= "Content-Transfer-Encoding: quoted-printable\n\n";
$boddy .= "This is a multi-part message in MIME format.\n\n";
$boddy .= "--$boundary\n";
$boddy .= "Content-Type: text/plain; charset=\"iso-8859-1\"\n";
$boddy .= "Content-Transfer-Encoding: quoted-printable\n\n";
$boddy .= $EmailText . "\n\n";
// Add the attachment to the message
do {
$boddy .= "--$boundary\n";
$boddy .= "Content-Type: application/pdf; name=\"FileName\"\n";
$boddy .= "Content-Transfer-Encoding: base64\n";
$boddy .= "Content-Disposition: attachment;\n\n";
$boddy .= chunk_split(base64_encode($file)) . "\n\n";
} while ( {files left to be attached} );
$boddy .= "--$boundary--\n";
// Save message to a file
$msg = 'msg.txt';
$signed = 'signed.txt';
$fp = fopen($msg, "w");
fwrite($fp, $boddy);
fclose($fp);
// Sign it
if (openssl_pkcs7_sign($msg, $signed, 'file://cert.pem',
array('file://key.pem', 'test'),
array("To" => "joes@example.com", // keyed syntax
"From: HQ <ceo@example.com>", // indexed syntax
"Subject" => "Eyes only"), PKCS7_DETACHED,
'intermediate_cert.pem' )) {
exec(ini_get('sendmail_path') . ' < ' . $signed);
}
?>
The same can be established by using the PEAR package Mail_Mime in combination with
openssl_pkcs7_sign.
----
Manual Page -- http://www.php.net/manual/en/function.openssl-pkcs7-sign.php
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