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-rw-r--r--program/lib/Net/SMTP.php66
1 files changed, 49 insertions, 17 deletions
diff --git a/program/lib/Net/SMTP.php b/program/lib/Net/SMTP.php
index 0602e100f..8b9d96749 100644
--- a/program/lib/Net/SMTP.php
+++ b/program/lib/Net/SMTP.php
@@ -504,13 +504,15 @@ class Net_SMTP
* @param string The requested authentication method. If none is
* specified, the best supported method will be used.
* @param bool Flag indicating whether or not TLS should be attempted.
+ * @param string An optional authorization identifier. If specified, this
+ * identifier will be used as the authorization proxy.
*
* @return mixed Returns a PEAR_Error with an error message on any
* kind of failure, or true on success.
* @access public
* @since 1.0
*/
- function auth($uid, $pwd , $method = '', $tls = true)
+ function auth($uid, $pwd , $method = '', $tls = true, $authz = '')
{
/* We can only attempt a TLS connection if one has been requested,
* we're running PHP 5.1.0 or later, have access to the OpenSSL
@@ -558,7 +560,7 @@ class Net_SMTP
switch ($method) {
case 'DIGEST-MD5':
- $result = $this->_authDigest_MD5($uid, $pwd);
+ $result = $this->_authDigest_MD5($uid, $pwd, $authz);
break;
case 'CRAM-MD5':
@@ -570,7 +572,7 @@ class Net_SMTP
break;
case 'PLAIN':
- $result = $this->_authPlain($uid, $pwd);
+ $result = $this->_authPlain($uid, $pwd, $authz);
break;
default:
@@ -591,13 +593,14 @@ class Net_SMTP
*
* @param string The userid to authenticate as.
* @param string The password to authenticate with.
+ * @param string The optional authorization proxy identifier.
*
* @return mixed Returns a PEAR_Error with an error message on any
* kind of failure, or true on success.
* @access private
* @since 1.1.0
*/
- function _authDigest_MD5($uid, $pwd)
+ function _authDigest_MD5($uid, $pwd, $authz = '')
{
if (PEAR::isError($error = $this->_put('AUTH', 'DIGEST-MD5'))) {
return $error;
@@ -614,7 +617,7 @@ class Net_SMTP
$challenge = base64_decode($this->_arguments[0]);
$digest = &Auth_SASL::factory('digestmd5');
$auth_str = base64_encode($digest->getResponse($uid, $pwd, $challenge,
- $this->host, "smtp"));
+ $this->host, "smtp", $authz));
if (PEAR::isError($error = $this->_put($auth_str))) {
return $error;
@@ -725,13 +728,14 @@ class Net_SMTP
*
* @param string The userid to authenticate as.
* @param string The password to authenticate with.
+ * @param string The optional authorization proxy identifier.
*
* @return mixed Returns a PEAR_Error with an error message on any
* kind of failure, or true on success.
* @access private
* @since 1.1.0
*/
- function _authPlain($uid, $pwd)
+ function _authPlain($uid, $pwd, $authz = '')
{
if (PEAR::isError($error = $this->_put('AUTH', 'PLAIN'))) {
return $error;
@@ -745,7 +749,7 @@ class Net_SMTP
return $error;
}
- $auth_str = base64_encode(chr(0) . $uid . chr(0) . $pwd);
+ $auth_str = base64_encode($authz . chr(0) . $uid . chr(0) . $pwd);
if (PEAR::isError($error = $this->_put($auth_str))) {
return $error;
@@ -969,20 +973,48 @@ class Net_SMTP
return $result;
}
}
-
- /* Finally, send the DATA terminator sequence. */
- if (PEAR::isError($result = $this->_send("\r\n.\r\n"))) {
- return $result;
- }
} else {
- /* Just send the entire quoted string followed by the DATA
- * terminator. */
- $this->quotedata($data);
- if (PEAR::isError($result = $this->_send($data . "\r\n.\r\n"))) {
- return $result;
+ /*
+ * Break up the data by sending one chunk (up to 512k) at a time.
+ * This approach reduces our peak memory usage.
+ */
+ for ($offset = 0; $offset < $size;) {
+ $end = $offset + 512000;
+
+ /*
+ * Ensure we don't read beyond our data size or span multiple
+ * lines. quotedata() can't properly handle character data
+ * that's split across two line break boundaries.
+ */
+ if ($end >= $size) {
+ $end = $size;
+ } else {
+ for (; $end < $size; $end++) {
+ if ($data[$end] != "\n") {
+ break;
+ }
+ }
+ }
+
+ /* Extract our chunk and run it through the quoting routine. */
+ $chunk = substr($data, $offset, $end - $offset);
+ $this->quotedata($chunk);
+
+ /* If we run into a problem along the way, abort. */
+ if (PEAR::isError($result = $this->_send($chunk))) {
+ return $result;
+ }
+
+ /* Advance the offset to the end of this chunk. */
+ $offset = $end;
}
}
+ /* Finally, send the DATA terminator sequence. */
+ if (PEAR::isError($result = $this->_send("\r\n.\r\n"))) {
+ return $result;
+ }
+
/* Verify that the data was successfully received by the server. */
if (PEAR::isError($error = $this->_parseResponse(250, $this->pipelining))) {
return $error;