From be5133a6f3ec4da11f0a6f972700bf4b256d410c Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Mon, 08 Mar 2010 02:28:20 -0500
Subject: [PATCH] - Mail_Mime 1.6.1
---
program/lib/Mail/mimePart.php | 299 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 293 insertions(+), 6 deletions(-)
diff --git a/program/lib/Mail/mimePart.php b/program/lib/Mail/mimePart.php
index 7863028..2181170 100644
--- a/program/lib/Mail/mimePart.php
+++ b/program/lib/Mail/mimePart.php
@@ -247,6 +247,15 @@
}
}
+ if (!empty($headers['Content-Description'])) {
+ $headers['Content-Description'] = $this->encodeHeader(
+ 'Content-Description', $headers['Content-Description'],
+ isset($c_type['charset']) ? $c_type['charset'] : 'US-ASCII',
+ isset($params['name_encoding']) ? $params['name_encoding'] : 'quoted-printable',
+ $this->_eol
+ );
+ }
+
// Default content-type
if (!isset($headers['Content-Type'])) {
$headers['Content-Type'] = 'text/plain';
@@ -769,17 +778,281 @@
}
/**
- * Callback function to replace extended characters (\x80-xFF) with their
- * ASCII values (RFC2231)
+ * Encodes a header as per RFC2047
*
- * @param array $matches Preg_replace's matches array
+ * @param string $name The header name
+ * @param string $value The header data to encode
+ * @param string $charset Character set name
+ * @param string $encoding Encoding name (base64 or quoted-printable)
+ * @param string $eol End-of-line sequence. Default: "\r\n"
*
- * @return string Encoded character string
+ * @return string Encoded header data (without a name)
+ * @access public
+ * @since 1.6.1
+ */
+ function encodeHeader($name, $value, $charset='ISO-8859-1',
+ $encoding='quoted-printable', $eol="\r\n"
+ ) {
+ // Structured headers
+ $comma_headers = array(
+ 'from', 'to', 'cc', 'bcc', 'sender', 'reply-to',
+ 'resent-from', 'resent-to', 'resent-cc', 'resent-bcc',
+ 'resent-sender', 'resent-reply-to',
+ 'return-receipt-to', 'disposition-notification-to',
+ );
+ $other_headers = array(
+ 'references', 'in-reply-to', 'message-id', 'resent-message-id',
+ );
+
+ $name = strtolower($name);
+
+ if (in_array($name, $comma_headers)) {
+ $separator = ',';
+ } else if (in_array($name, $other_headers)) {
+ $separator = ' ';
+ }
+
+ if (!$charset) {
+ $charset = 'ISO-8859-1';
+ }
+
+ // Structured header (make sure addr-spec inside is not encoded)
+ if (!empty($separator)) {
+ $parts = Mail_mimePart::_explodeQuotedString($separator, $value);
+ $value = '';
+
+ foreach ($parts as $part) {
+ $part = preg_replace('/\r?\n[\s\t]*/', $eol . ' ', $part);
+ $part = trim($part);
+
+ if (!$part) {
+ continue;
+ }
+ if ($value) {
+ $value .= $separator==',' ? $separator.' ' : ' ';
+ } else {
+ $value = $name . ': ';
+ }
+
+ // let's find phrase (name) and/or addr-spec
+ if (preg_match('/^<\S+@\S+>$/', $part)) {
+ $value .= $part;
+ } else if (preg_match('/^\S+@\S+$/', $part)) {
+ // address without brackets and without name
+ $value .= $part;
+ } else if (preg_match('/<*\S+@\S+>*$/', $part, $matches)) {
+ // address with name (handle name)
+ $address = $matches[0];
+ $word = str_replace($address, '', $part);
+ $word = trim($word);
+ // check if phrase requires quoting
+ if ($word) {
+ // non-ASCII: require encoding
+ if (preg_match('#([\x80-\xFF]){1}#', $word)) {
+ if ($word[0] == '"' && $word[strlen($word)-1] == '"') {
+ // de-quote quoted-string, encoding changes
+ // string to atom
+ $search = array("\\\"", "\\\\");
+ $replace = array("\"", "\\");
+ $word = str_replace($search, $replace, $word);
+ $word = substr($word, 1, -1);
+ }
+ // find length of last line
+ if (($pos = strrpos($value, $eol)) !== false) {
+ $last_len = strlen($value) - $pos;
+ } else {
+ $last_len = strlen($value);
+ }
+ $word = Mail_mimePart::encodeHeaderValue(
+ $word, $charset, $encoding, $last_len, $eol
+ );
+ } else if (($word[0] != '"' || $word[strlen($word)-1] != '"')
+ && preg_match('/[\(\)\<\>\\\.\[\]@,;:"]/', $word)
+ ) {
+ // ASCII: quote string if needed
+ $word = '"'.addcslashes($word, '\\"').'"';
+ }
+ }
+ $value .= $word.' '.$address;
+ } else {
+ // addr-spec not found, don't encode (?)
+ $value .= $part;
+ }
+
+ // RFC2822 recommends 78 characters limit, use 76 from RFC2047
+ $value = wordwrap($value, 76, $eol . ' ');
+ }
+
+ // remove header name prefix (there could be EOL too)
+ $value = preg_replace(
+ '/^'.$name.':('.preg_quote($eol, '/').')* /', '', $value
+ );
+
+ } else {
+ // Unstructured header
+ // non-ASCII: require encoding
+ if (preg_match('#([\x80-\xFF]){1}#', $value)) {
+ if ($value[0] == '"' && $value[strlen($value)-1] == '"') {
+ // de-quote quoted-string, encoding changes
+ // string to atom
+ $search = array("\\\"", "\\\\");
+ $replace = array("\"", "\\");
+ $value = str_replace($search, $replace, $value);
+ $value = substr($value, 1, -1);
+ }
+ $value = Mail_mimePart::encodeHeaderValue(
+ $value, $charset, $encoding, strlen($name) + 2, $eol
+ );
+ } else if (strlen($name.': '.$value) > 78) {
+ // ASCII: check if header line isn't too long and use folding
+ $value = preg_replace('/\r?\n[\s\t]*/', $eol . ' ', $value);
+ $tmp = wordwrap($name.': '.$value, 78, $eol . ' ');
+ $value = preg_replace('/^'.$name.':\s*/', '', $tmp);
+ // hard limit 998 (RFC2822)
+ $value = wordwrap($value, 998, $eol . ' ', true);
+ }
+ }
+
+ return $value;
+ }
+
+ /**
+ * Explode quoted string
+ *
+ * @param string $delimiter Delimiter expression string for preg_match()
+ * @param string $string Input string
+ *
+ * @return array String tokens array
* @access private
*/
- function _encodeReplaceCallback($matches)
+ function _explodeQuotedString($delimiter, $string)
{
- return sprintf('%%%02X', ord($matches[1]));
+ $result = array();
+ $strlen = strlen($string);
+
+ for ($q=$p=$i=0; $i < $strlen; $i++) {
+ if ($string[$i] == "\""
+ && (empty($string[$i-1]) || $string[$i-1] != "\\")
+ ) {
+ $q = $q ? false : true;
+ } else if (!$q && preg_match("/$delimiter/", $string[$i])) {
+ $result[] = substr($string, $p, $i - $p);
+ $p = $i + 1;
+ }
+ }
+
+ $result[] = substr($string, $p);
+ return $result;
+ }
+
+ /**
+ * Encodes a header value as per RFC2047
+ *
+ * @param string $value The header data to encode
+ * @param string $charset Character set name
+ * @param string $encoding Encoding name (base64 or quoted-printable)
+ * @param int $prefix_len Prefix length. Default: 0
+ * @param string $eol End-of-line sequence. Default: "\r\n"
+ *
+ * @return string Encoded header data
+ * @access public
+ * @since 1.6.1
+ */
+ function encodeHeaderValue($value, $charset, $encoding, $prefix_len=0, $eol="\r\n")
+ {
+ if ($encoding == 'base64') {
+ // Base64 encode the entire string
+ $value = base64_encode($value);
+
+ // Generate the header using the specified params and dynamicly
+ // determine the maximum length of such strings.
+ // 75 is the value specified in the RFC.
+ $prefix = '=?' . $charset . '?B?';
+ $suffix = '?=';
+ $maxLength = 75 - strlen($prefix . $suffix) - 2;
+ $maxLength1stLine = $maxLength - $prefix_len;
+
+ // We can cut base4 every 4 characters, so the real max
+ // we can get must be rounded down.
+ $maxLength = $maxLength - ($maxLength % 4);
+ $maxLength1stLine = $maxLength1stLine - ($maxLength1stLine % 4);
+
+ $cutpoint = $maxLength1stLine;
+ $value_out = $value;
+ $output = '';
+ while ($value_out) {
+ // Split translated string at every $maxLength
+ $part = substr($value_out, 0, $cutpoint);
+ $value_out = substr($value_out, $cutpoint);
+ $cutpoint = $maxLength;
+ // RFC 2047 specifies that any split header should
+ // be seperated by a CRLF SPACE.
+ if ($output) {
+ $output .= $eol . ' ';
+ }
+ $output .= $prefix . $part . $suffix;
+ }
+ $value = $output;
+ } else {
+ // quoted-printable encoding has been selected
+ $value = Mail_mimePart::encodeQP($value);
+
+ // Generate the header using the specified params and dynamicly
+ // determine the maximum length of such strings.
+ // 75 is the value specified in the RFC.
+ $prefix = '=?' . $charset . '?Q?';
+ $suffix = '?=';
+ $maxLength = 75 - strlen($prefix . $suffix) - 3;
+ $maxLength1stLine = $maxLength - $prefix_len;
+ $maxLength = $maxLength - 1;
+
+ // This regexp will break QP-encoded text at every $maxLength
+ // but will not break any encoded letters.
+ $reg1st = "|(.{0,$maxLength1stLine}[^\=][^\=])|";
+ $reg2nd = "|(.{0,$maxLength}[^\=][^\=])|";
+
+ $value_out = $value;
+ $realMax = $maxLength1stLine + strlen($prefix . $suffix);
+ if (strlen($value_out) >= $realMax) {
+ // Begin with the regexp for the first line.
+ $reg = $reg1st;
+ $output = '';
+ while ($value_out) {
+ // Split translated string at every $maxLength
+ // But make sure not to break any translated chars.
+ $found = preg_match($reg, $value_out, $matches);
+
+ // After this first line, we need to use a different
+ // regexp for the first line.
+ $reg = $reg2nd;
+
+ // Save the found part and encapsulate it in the
+ // prefix & suffix. Then remove the part from the
+ // $value_out variable.
+ if ($found) {
+ $part = $matches[0];
+ $len = strlen($matches[0]);
+ $value_out = substr($value_out, $len);
+ } else {
+ $part = $value_out;
+ $value_out = "";
+ }
+
+ // RFC 2047 specifies that any split header should
+ // be seperated by a CRLF SPACE
+ if ($output) {
+ $output .= $eol . ' ';
+ }
+ $output .= $prefix . $part . $suffix;
+ }
+ $value_out = $output;
+ } else {
+ $value_out = $prefix . $value_out . $suffix;
+ }
+ $value = $value_out;
+ }
+
+ return $value;
}
/**
@@ -819,4 +1092,18 @@
return sprintf('=%02X', ord($matches[1]));
}
+ /**
+ * Callback function to replace extended characters (\x80-xFF) with their
+ * ASCII values (RFC2231)
+ *
+ * @param array $matches Preg_replace's matches array
+ *
+ * @return string Encoded character string
+ * @access private
+ */
+ function _encodeReplaceCallback($matches)
+ {
+ return sprintf('%%%02X', ord($matches[1]));
+ }
+
} // End of class
--
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