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-rw-r--r--program/lib/Mail/mimePart.php35
1 files changed, 21 insertions, 14 deletions
diff --git a/program/lib/Mail/mimePart.php b/program/lib/Mail/mimePart.php
index 01c6280a7..bc8b471ba 100644
--- a/program/lib/Mail/mimePart.php
+++ b/program/lib/Mail/mimePart.php
@@ -186,7 +186,7 @@ class Mail_mimePart {
if (isset($contentType['type'])) {
$headers['Content-Type'] = $contentType['type'];
if (isset($contentType['charset'])) {
- $headers['Content-Type'] .= "; charset=\"{$contentType['charset']}\"";
+ $headers['Content-Type'] .= " charset={$contentType['charset']};";
}
if (isset($contentType['name'])) {
$headers['Content-Type'] .= ';' . MAIL_MIMEPART_CRLF;
@@ -397,29 +397,36 @@ class Mail_mimePart {
*/
function _buildHeaderParam($name, $value, $charset=NULL, $language=NULL, $paramEnc=NULL, $maxLength=78)
{
- // RFC 2183/2184/2822:
+ // RFC 2045:
// value needs encoding if contains non-ASCII chars or is longer than 78 chars
if (!preg_match('#[^\x20-\x7E]#', $value)) { // ASCII
- $quoted = addcslashes($value, '\\"');
- if (strlen($name) + strlen($quoted) + 6 <= $maxLength)
- return " {$name}=\"{$quoted}\"; ";
+ // token
+ if (!preg_match('#([^\x21,\x23-\x27,\x2A,\x2B,\x2D,\x2E,\x30-\x39,\x41-\x5A,\x5E-\x7E])#', $value)) {
+ if (strlen($name) + strlen($value) + 3 <= $maxLength)
+ return " {$name}={$value};";
+ } else { // quoted-string
+ $quoted = addcslashes($value, '\\"');
+ if (strlen($name) + strlen($quoted) + 5 <= $maxLength)
+ return " {$name}=\"{$quoted}\";";
+ }
}
- // use quoted-printable/base64 encoding (RFC2047)
+ // RFC2047: use quoted-printable/base64 encoding
if ($paramEnc == 'quoted-printable' || $paramEnc == 'base64')
return $this->_buildRFC2047Param($name, $value, $charset, $paramEnc);
- $encValue = preg_replace('#([^\x20-\x7E])#e', '"%" . strtoupper(dechex(ord("\1")))', $value);
+ // RFC2231:
+ $encValue = preg_replace('#([^\x21,\x23,\x24,\x26,\x2B,\x2D,\x2E,\x30-\x39,\x41-\x5A,\x5E-\x7E])#e',
+ '"%" . strtoupper(dechex(ord("\1")))', $value);
$value = "$charset'$language'$encValue";
- $header = " {$name}*=\"{$value}\"; ";
+ $header = " {$name}*={$value};";
if (strlen($header) <= $maxLength) {
return $header;
}
- $preLength = strlen(" {$name}*0*=\"");
- $sufLength = strlen("\";");
- $maxLength = max(16, $maxLength - $preLength - $sufLength - 2);
+ $preLength = strlen(" {$name}*0*=");
+ $maxLength = max(16, $maxLength - $preLength - 3);
$maxLengthReg = "|(.{0,$maxLength}[^\%][^\%])|";
$headers = array();
@@ -428,11 +435,11 @@ class Mail_mimePart {
$matches = array();
$found = preg_match($maxLengthReg, $value, $matches);
if ($found) {
- $headers[] = " {$name}*{$headCount}*=\"{$matches[0]}\"";
+ $headers[] = " {$name}*{$headCount}*={$matches[0]}";
$value = substr($value, strlen($matches[0]));
} else {
- $headers[] = " {$name}*{$headCount}*=\"{$value}\"";
- $value = "";
+ $headers[] = " {$name}*{$headCount}*={$value}";
+ $value = '';
}
$headCount++;
}