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Diffstat (limited to 'program/lib/Mail/mimePart.php')
| -rw-r--r-- | program/lib/Mail/mimePart.php | 1261 |
1 files changed, 0 insertions, 1261 deletions
diff --git a/program/lib/Mail/mimePart.php b/program/lib/Mail/mimePart.php deleted file mode 100644 index c6e9f4aa8..000000000 --- a/program/lib/Mail/mimePart.php +++ /dev/null @@ -1,1261 +0,0 @@ -<?php -/** - * The Mail_mimePart class is used to create MIME E-mail messages - * - * This class enables you to manipulate and build a mime email - * from the ground up. The Mail_Mime class is a userfriendly api - * to this class for people who aren't interested in the internals - * of mime mail. - * This class however allows full control over the email. - * - * Compatible with PHP versions 4 and 5 - * - * LICENSE: This LICENSE is in the BSD license style. - * Copyright (c) 2002-2003, Richard Heyes <richard@phpguru.org> - * Copyright (c) 2003-2006, PEAR <pear-group@php.net> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or - * without modification, are permitted provided that the following - * conditions are met: - * - * - Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - Neither the name of the authors, nor the names of its contributors - * may be used to endorse or promote products derived from this - * software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF - * THE POSSIBILITY OF SUCH DAMAGE. - * - * @category Mail - * @package Mail_Mime - * @author Richard Heyes <richard@phpguru.org> - * @author Cipriano Groenendal <cipri@php.net> - * @author Sean Coates <sean@php.net> - * @author Aleksander Machniak <alec@php.net> - * @copyright 2003-2006 PEAR <pear-group@php.net> - * @license http://www.opensource.org/licenses/bsd-license.php BSD License - * @version CVS: $Id$ - * @link http://pear.php.net/package/Mail_mime - */ - - -/** - * The Mail_mimePart class is used to create MIME E-mail messages - * - * This class enables you to manipulate and build a mime email - * from the ground up. The Mail_Mime class is a userfriendly api - * to this class for people who aren't interested in the internals - * of mime mail. - * This class however allows full control over the email. - * - * @category Mail - * @package Mail_Mime - * @author Richard Heyes <richard@phpguru.org> - * @author Cipriano Groenendal <cipri@php.net> - * @author Sean Coates <sean@php.net> - * @author Aleksander Machniak <alec@php.net> - * @copyright 2003-2006 PEAR <pear-group@php.net> - * @license http://www.opensource.org/licenses/bsd-license.php BSD License - * @version Release: @package_version@ - * @link http://pear.php.net/package/Mail_mime - */ -class Mail_mimePart -{ - /** - * The encoding type of this part - * - * @var string - * @access private - */ - var $_encoding; - - /** - * An array of subparts - * - * @var array - * @access private - */ - var $_subparts; - - /** - * The output of this part after being built - * - * @var string - * @access private - */ - var $_encoded; - - /** - * Headers for this part - * - * @var array - * @access private - */ - var $_headers; - - /** - * The body of this part (not encoded) - * - * @var string - * @access private - */ - var $_body; - - /** - * The location of file with body of this part (not encoded) - * - * @var string - * @access private - */ - var $_body_file; - - /** - * The end-of-line sequence - * - * @var string - * @access private - */ - var $_eol = "\r\n"; - - - /** - * Constructor. - * - * Sets up the object. - * - * @param string $body The body of the mime part if any. - * @param array $params An associative array of optional parameters: - * content_type - The content type for this part eg multipart/mixed - * encoding - The encoding to use, 7bit, 8bit, - * base64, or quoted-printable - * charset - Content character set - * cid - Content ID to apply - * disposition - Content disposition, inline or attachment - * filename - Filename parameter for content disposition - * description - Content description - * name_encoding - Encoding of the attachment name (Content-Type) - * By default filenames are encoded using RFC2231 - * Here you can set RFC2047 encoding (quoted-printable - * or base64) instead - * filename_encoding - Encoding of the attachment filename (Content-Disposition) - * See 'name_encoding' - * headers_charset - Charset of the headers e.g. filename, description. - * If not set, 'charset' will be used - * eol - End of line sequence. Default: "\r\n" - * headers - Hash array with additional part headers. Array keys can be - * in form of <header_name>:<parameter_name> - * body_file - Location of file with part's body (instead of $body) - * - * @access public - */ - function Mail_mimePart($body = '', $params = array()) - { - if (!empty($params['eol'])) { - $this->_eol = $params['eol']; - } else if (defined('MAIL_MIMEPART_CRLF')) { // backward-copat. - $this->_eol = MAIL_MIMEPART_CRLF; - } - - // Additional part headers - if (!empty($params['headers']) && is_array($params['headers'])) { - $headers = $params['headers']; - } - - foreach ($params as $key => $value) { - switch ($key) { - case 'encoding': - $this->_encoding = $value; - $headers['Content-Transfer-Encoding'] = $value; - break; - - case 'cid': - $headers['Content-ID'] = '<' . $value . '>'; - break; - - case 'location': - $headers['Content-Location'] = $value; - break; - - case 'body_file': - $this->_body_file = $value; - break; - - // for backward compatibility - case 'dfilename': - $params['filename'] = $value; - break; - } - } - - // Default content-type - if (empty($params['content_type'])) { - $params['content_type'] = 'text/plain'; - } - - // Content-Type - $headers['Content-Type'] = $params['content_type']; - if (!empty($params['charset'])) { - $charset = "charset={$params['charset']}"; - // place charset parameter in the same line, if possible - if ((strlen($headers['Content-Type']) + strlen($charset) + 16) <= 76) { - $headers['Content-Type'] .= '; '; - } else { - $headers['Content-Type'] .= ';' . $this->_eol . ' '; - } - $headers['Content-Type'] .= $charset; - - // Default headers charset - if (!isset($params['headers_charset'])) { - $params['headers_charset'] = $params['charset']; - } - } - - // header values encoding parameters - $h_charset = !empty($params['headers_charset']) ? $params['headers_charset'] : 'US-ASCII'; - $h_language = !empty($params['language']) ? $params['language'] : null; - $h_encoding = !empty($params['name_encoding']) ? $params['name_encoding'] : null; - - - if (!empty($params['filename'])) { - $headers['Content-Type'] .= ';' . $this->_eol; - $headers['Content-Type'] .= $this->_buildHeaderParam( - 'name', $params['filename'], $h_charset, $h_language, $h_encoding - ); - } - - // Content-Disposition - if (!empty($params['disposition'])) { - $headers['Content-Disposition'] = $params['disposition']; - if (!empty($params['filename'])) { - $headers['Content-Disposition'] .= ';' . $this->_eol; - $headers['Content-Disposition'] .= $this->_buildHeaderParam( - 'filename', $params['filename'], $h_charset, $h_language, - !empty($params['filename_encoding']) ? $params['filename_encoding'] : null - ); - } - - // add attachment size - $size = $this->_body_file ? filesize($this->_body_file) : strlen($body); - if ($size) { - $headers['Content-Disposition'] .= ';' . $this->_eol . ' size=' . $size; - } - } - - if (!empty($params['description'])) { - $headers['Content-Description'] = $this->encodeHeader( - 'Content-Description', $params['description'], $h_charset, $h_encoding, - $this->_eol - ); - } - - // Search and add existing headers' parameters - foreach ($headers as $key => $value) { - $items = explode(':', $key); - if (count($items) == 2) { - $header = $items[0]; - $param = $items[1]; - if (isset($headers[$header])) { - $headers[$header] .= ';' . $this->_eol; - } - $headers[$header] .= $this->_buildHeaderParam( - $param, $value, $h_charset, $h_language, $h_encoding - ); - unset($headers[$key]); - } - } - - // Default encoding - if (!isset($this->_encoding)) { - $this->_encoding = '7bit'; - } - - // Assign stuff to member variables - $this->_encoded = array(); - $this->_headers = $headers; - $this->_body = $body; - } - - /** - * Encodes and returns the email. Also stores - * it in the encoded member variable - * - * @param string $boundary Pre-defined boundary string - * - * @return An associative array containing two elements, - * body and headers. The headers element is itself - * an indexed array. On error returns PEAR error object. - * @access public - */ - function encode($boundary=null) - { - $encoded =& $this->_encoded; - - if (count($this->_subparts)) { - $boundary = $boundary ? $boundary : '=_' . md5(rand() . microtime()); - $eol = $this->_eol; - - $this->_headers['Content-Type'] .= ";$eol boundary=\"$boundary\""; - - $encoded['body'] = ''; - - for ($i = 0; $i < count($this->_subparts); $i++) { - $encoded['body'] .= '--' . $boundary . $eol; - $tmp = $this->_subparts[$i]->encode(); - if ($this->_isError($tmp)) { - return $tmp; - } - foreach ($tmp['headers'] as $key => $value) { - $encoded['body'] .= $key . ': ' . $value . $eol; - } - $encoded['body'] .= $eol . $tmp['body'] . $eol; - } - - $encoded['body'] .= '--' . $boundary . '--' . $eol; - - } else if ($this->_body) { - $encoded['body'] = $this->_getEncodedData($this->_body, $this->_encoding); - } else if ($this->_body_file) { - // Temporarily reset magic_quotes_runtime for file reads and writes - if ($magic_quote_setting = get_magic_quotes_runtime()) { - @ini_set('magic_quotes_runtime', 0); - } - $body = $this->_getEncodedDataFromFile($this->_body_file, $this->_encoding); - if ($magic_quote_setting) { - @ini_set('magic_quotes_runtime', $magic_quote_setting); - } - - if ($this->_isError($body)) { - return $body; - } - $encoded['body'] = $body; - } else { - $encoded['body'] = ''; - } - - // Add headers to $encoded - $encoded['headers'] =& $this->_headers; - - return $encoded; - } - - /** - * Encodes and saves the email into file. File must exist. - * Data will be appended to the file. - * - * @param string $filename Output file location - * @param string $boundary Pre-defined boundary string - * @param boolean $skip_head True if you don't want to save headers - * - * @return array An associative array containing message headers - * or PEAR error object - * @access public - * @since 1.6.0 - */ - function encodeToFile($filename, $boundary=null, $skip_head=false) - { - if (file_exists($filename) && !is_writable($filename)) { - $err = $this->_raiseError('File is not writeable: ' . $filename); - return $err; - } - - if (!($fh = fopen($filename, 'ab'))) { - $err = $this->_raiseError('Unable to open file: ' . $filename); - return $err; - } - - // Temporarily reset magic_quotes_runtime for file reads and writes - if ($magic_quote_setting = get_magic_quotes_runtime()) { - @ini_set('magic_quotes_runtime', 0); - } - - $res = $this->_encodePartToFile($fh, $boundary, $skip_head); - - fclose($fh); - - if ($magic_quote_setting) { - @ini_set('magic_quotes_runtime', $magic_quote_setting); - } - - return $this->_isError($res) ? $res : $this->_headers; - } - - /** - * Encodes given email part into file - * - * @param string $fh Output file handle - * @param string $boundary Pre-defined boundary string - * @param boolean $skip_head True if you don't want to save headers - * - * @return array True on sucess or PEAR error object - * @access private - */ - function _encodePartToFile($fh, $boundary=null, $skip_head=false) - { - $eol = $this->_eol; - - if (count($this->_subparts)) { - $boundary = $boundary ? $boundary : '=_' . md5(rand() . microtime()); - $this->_headers['Content-Type'] .= ";$eol boundary=\"$boundary\""; - } - - if (!$skip_head) { - foreach ($this->_headers as $key => $value) { - fwrite($fh, $key . ': ' . $value . $eol); - } - $f_eol = $eol; - } else { - $f_eol = ''; - } - - if (count($this->_subparts)) { - for ($i = 0; $i < count($this->_subparts); $i++) { - fwrite($fh, $f_eol . '--' . $boundary . $eol); - $res = $this->_subparts[$i]->_encodePartToFile($fh); - if ($this->_isError($res)) { - return $res; - } - $f_eol = $eol; - } - - fwrite($fh, $eol . '--' . $boundary . '--' . $eol); - - } else if ($this->_body) { - fwrite($fh, $f_eol . $this->_getEncodedData($this->_body, $this->_encoding)); - } else if ($this->_body_file) { - fwrite($fh, $f_eol); - $res = $this->_getEncodedDataFromFile( - $this->_body_file, $this->_encoding, $fh - ); - if ($this->_isError($res)) { - return $res; - } - } - - return true; - } - - /** - * Adds a subpart to current mime part and returns - * a reference to it - * - * @param string $body The body of the subpart, if any. - * @param array $params The parameters for the subpart, same - * as the $params argument for constructor. - * - * @return Mail_mimePart A reference to the part you just added. In PHP4, it is - * crucial if using multipart/* in your subparts that - * you use =& in your script when calling this function, - * otherwise you will not be able to add further subparts. - * @access public - */ - function &addSubpart($body, $params) - { - $this->_subparts[] = $part = new Mail_mimePart($body, $params); - return $part; - } - - /** - * Returns encoded data based upon encoding passed to it - * - * @param string $data The data to encode. - * @param string $encoding The encoding type to use, 7bit, base64, - * or quoted-printable. - * - * @return string - * @access private - */ - function _getEncodedData($data, $encoding) - { - switch ($encoding) { - case 'quoted-printable': - return $this->_quotedPrintableEncode($data); - break; - - case 'base64': - return rtrim(chunk_split(base64_encode($data), 76, $this->_eol)); - break; - - case '8bit': - case '7bit': - default: - return $data; - } - } - - /** - * Returns encoded data based upon encoding passed to it - * - * @param string $filename Data file location - * @param string $encoding The encoding type to use, 7bit, base64, - * or quoted-printable. - * @param resource $fh Output file handle. If set, data will be - * stored into it instead of returning it - * - * @return string Encoded data or PEAR error object - * @access private - */ - function _getEncodedDataFromFile($filename, $encoding, $fh=null) - { - if (!is_readable($filename)) { - $err = $this->_raiseError('Unable to read file: ' . $filename); - return $err; - } - - if (!($fd = fopen($filename, 'rb'))) { - $err = $this->_raiseError('Could not open file: ' . $filename); - return $err; - } - - $data = ''; - - switch ($encoding) { - case 'quoted-printable': - while (!feof($fd)) { - $buffer = $this->_quotedPrintableEncode(fgets($fd)); - if ($fh) { - fwrite($fh, $buffer); - } else { - $data .= $buffer; - } - } - break; - - case 'base64': - while (!feof($fd)) { - // Should read in a multiple of 57 bytes so that - // the output is 76 bytes per line. Don't use big chunks - // because base64 encoding is memory expensive - $buffer = fread($fd, 57 * 9198); // ca. 0.5 MB - $buffer = base64_encode($buffer); - $buffer = chunk_split($buffer, 76, $this->_eol); - if (feof($fd)) { - $buffer = rtrim($buffer); - } - - if ($fh) { - fwrite($fh, $buffer); - } else { - $data .= $buffer; - } - } - break; - - case '8bit': - case '7bit': - default: - while (!feof($fd)) { - $buffer = fread($fd, 1048576); // 1 MB - if ($fh) { - fwrite($fh, $buffer); - } else { - $data .= $buffer; - } - } - } - - fclose($fd); - - if (!$fh) { - return $data; - } - } - - /** - * Encodes data to quoted-printable standard. - * - * @param string $input The data to encode - * @param int $line_max Optional max line length. Should - * not be more than 76 chars - * - * @return string Encoded data - * - * @access private - */ - function _quotedPrintableEncode($input , $line_max = 76) - { - $eol = $this->_eol; - /* - // imap_8bit() is extremely fast, but doesn't handle properly some characters - if (function_exists('imap_8bit') && $line_max == 76) { - $input = preg_replace('/\r?\n/', "\r\n", $input); - $input = imap_8bit($input); - if ($eol != "\r\n") { - $input = str_replace("\r\n", $eol, $input); - } - return $input; - } - */ - $lines = preg_split("/\r?\n/", $input); - $escape = '='; - $output = ''; - - while (list($idx, $line) = each($lines)) { - $newline = ''; - $i = 0; - - while (isset($line[$i])) { - $char = $line[$i]; - $dec = ord($char); - $i++; - - if (($dec == 32) && (!isset($line[$i]))) { - // convert space at eol only - $char = '=20'; - } elseif ($dec == 9 && isset($line[$i])) { - ; // Do nothing if a TAB is not on eol - } elseif (($dec == 61) || ($dec < 32) || ($dec > 126)) { - $char = $escape . sprintf('%02X', $dec); - } elseif (($dec == 46) && (($newline == '') - || ((strlen($newline) + strlen("=2E")) >= $line_max)) - ) { - // Bug #9722: convert full-stop at bol, - // some Windows servers need this, won't break anything (cipri) - // Bug #11731: full-stop at bol also needs to be encoded - // if this line would push us over the line_max limit. - $char = '=2E'; - } - - // Note, when changing this line, also change the ($dec == 46) - // check line, as it mimics this line due to Bug #11731 - // EOL is not counted - if ((strlen($newline) + strlen($char)) >= $line_max) { - // soft line break; " =\r\n" is okay - $output .= $newline . $escape . $eol; - $newline = ''; - } - $newline .= $char; - } // end of for - $output .= $newline . $eol; - unset($lines[$idx]); - } - // Don't want last crlf - $output = substr($output, 0, -1 * strlen($eol)); - return $output; - } - - /** - * Encodes the parameter of a header. - * - * @param string $name The name of the header-parameter - * @param string $value The value of the paramter - * @param string $charset The characterset of $value - * @param string $language The language used in $value - * @param string $encoding Parameter encoding. If not set, parameter value - * is encoded according to RFC2231 - * @param int $maxLength The maximum length of a line. Defauls to 75 - * - * @return string - * - * @access private - */ - function _buildHeaderParam($name, $value, $charset=null, $language=null, - $encoding=null, $maxLength=75 - ) { - // RFC 2045: - // value needs encoding if contains non-ASCII chars or is longer than 78 chars - if (!preg_match('#[^\x20-\x7E]#', $value)) { - $token_regexp = '#([^\x21\x23-\x27\x2A\x2B\x2D' - . '\x2E\x30-\x39\x41-\x5A\x5E-\x7E])#'; - if (!preg_match($token_regexp, $value)) { - // token - if (strlen($name) + strlen($value) + 3 <= $maxLength) { - return " {$name}={$value}"; - } - } else { - // quoted-string - $quoted = addcslashes($value, '\\"'); - if (strlen($name) + strlen($quoted) + 5 <= $maxLength) { - return " {$name}=\"{$quoted}\""; - } - } - } - - // RFC2047: use quoted-printable/base64 encoding - if ($encoding == 'quoted-printable' || $encoding == 'base64') { - return $this->_buildRFC2047Param($name, $value, $charset, $encoding); - } - - // RFC2231: - $encValue = preg_replace_callback( - '/([^\x21\x23\x24\x26\x2B\x2D\x2E\x30-\x39\x41-\x5A\x5E-\x7E])/', - array($this, '_encodeReplaceCallback'), $value - ); - $value = "$charset'$language'$encValue"; - - $header = " {$name}*={$value}"; - if (strlen($header) <= $maxLength) { - return $header; - } - - $preLength = strlen(" {$name}*0*="); - $maxLength = max(16, $maxLength - $preLength - 3); - $maxLengthReg = "|(.{0,$maxLength}[^\%][^\%])|"; - - $headers = array(); - $headCount = 0; - while ($value) { - $matches = array(); - $found = preg_match($maxLengthReg, $value, $matches); - if ($found) { - $headers[] = " {$name}*{$headCount}*={$matches[0]}"; - $value = substr($value, strlen($matches[0])); - } else { - $headers[] = " {$name}*{$headCount}*={$value}"; - $value = ''; - } - $headCount++; - } - - $headers = implode(';' . $this->_eol, $headers); - return $headers; - } - - /** - * Encodes header parameter as per RFC2047 if needed - * - * @param string $name The parameter name - * @param string $value The parameter value - * @param string $charset The parameter charset - * @param string $encoding Encoding type (quoted-printable or base64) - * @param int $maxLength Encoded parameter max length. Default: 76 - * - * @return string Parameter line - * @access private - */ - function _buildRFC2047Param($name, $value, $charset, - $encoding='quoted-printable', $maxLength=76 - ) { - // WARNING: RFC 2047 says: "An 'encoded-word' MUST NOT be used in - // parameter of a MIME Content-Type or Content-Disposition field", - // but... it's supported by many clients/servers - $quoted = ''; - - if ($encoding == 'base64') { - $value = base64_encode($value); - $prefix = '=?' . $charset . '?B?'; - $suffix = '?='; - - // 2 x SPACE, 2 x '"', '=', ';' - $add_len = strlen($prefix . $suffix) + strlen($name) + 6; - $len = $add_len + strlen($value); - - while ($len > $maxLength) { - // We can cut base64-encoded string every 4 characters - $real_len = floor(($maxLength - $add_len) / 4) * 4; - $_quote = substr($value, 0, $real_len); - $value = substr($value, $real_len); - - $quoted .= $prefix . $_quote . $suffix . $this->_eol . ' '; - $add_len = strlen($prefix . $suffix) + 4; // 2 x SPACE, '"', ';' - $len = strlen($value) + $add_len; - } - $quoted .= $prefix . $value . $suffix; - - } else { - // quoted-printable - $value = $this->encodeQP($value); - $prefix = '=?' . $charset . '?Q?'; - $suffix = '?='; - - // 2 x SPACE, 2 x '"', '=', ';' - $add_len = strlen($prefix . $suffix) + strlen($name) + 6; - $len = $add_len + strlen($value); - - while ($len > $maxLength) { - $length = $maxLength - $add_len; - // don't break any encoded letters - if (preg_match("/^(.{0,$length}[^\=][^\=])/", $value, $matches)) { - $_quote = $matches[1]; - } - - $quoted .= $prefix . $_quote . $suffix . $this->_eol . ' '; - $value = substr($value, strlen($_quote)); - $add_len = strlen($prefix . $suffix) + 4; // 2 x SPACE, '"', ';' - $len = strlen($value) + $add_len; - } - - $quoted .= $prefix . $value . $suffix; - } - - return " {$name}=\"{$quoted}\""; - } - - /** - * Encodes a header as per RFC2047 - * - * @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 $eol End-of-line sequence. Default: "\r\n" - * - * @return string Encoded header data (without a name) - * @access public - * @since 1.6.1 - */ - function encodeHeader($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', - 'mail-reply-to', 'mail-followup-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)) { - // Simple e-mail address regexp - $email_regexp = '([^\s<]+|("[^\r\n"]+"))@\S+'; - - $parts = Mail_mimePart::_explodeQuotedString($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('/^<' . $email_regexp . '>$/', $part)) { - $value .= $part; - } else if (preg_match('/^' . $email_regexp . '$/', $part)) { - // address without brackets and without name - $value .= $part; - } else if (preg_match('/<*' . $email_regexp . '>*$/', $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 $string Input string - * - * @return array String tokens array - * @access private - */ - function _explodeQuotedString($delimiter, $string) - { - $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, $eol="\r\n") - { - // #17311: Use multibyte aware method (requires mbstring extension) - if ($result = Mail_mimePart::encodeMB($value, $charset, $encoding, $prefix_len, $eol)) { - return $result; - } - - // Generate the header using the specified params and dynamicly - // determine the maximum length of such strings. - // 75 is the value specified in the RFC. - $encoding = $encoding == 'base64' ? 'B' : 'Q'; - $prefix = '=?' . $charset . '?' . $encoding .'?'; - $suffix = '?='; - $maxLength = 75 - strlen($prefix . $suffix); - $maxLength1stLine = $maxLength - $prefix_len; - - if ($encoding == 'B') { - // Base64 encode the entire string - $value = base64_encode($value); - - // We can cut base64 every 4 characters, so the real max - // we can get must be rounded down. - $maxLength = $maxLength - ($maxLength % 4); - $maxLength1stLine = $maxLength1stLine - ($maxLength1stLine % 4); - - $cutpoint = $maxLength1stLine; - $output = ''; - - while ($value) { - // Split translated string at every $maxLength - $part = substr($value, 0, $cutpoint); - $value = substr($value, $cutpoint); - $cutpoint = $maxLength; - // RFC 2047 specifies that any split header should - // be separated by a CRLF SPACE. - if ($output) { - $output .= $eol . ' '; - } - $output .= $prefix . $part . $suffix; - } - $value = $output; - } else { - // quoted-printable encoding has been selected - $value = Mail_mimePart::encodeQP($value); - - // This regexp will break QP-encoded text at every $maxLength - // but will not break any encoded letters. - $reg1st = "|(.{0,$maxLength1stLine}[^\=][^\=])|"; - $reg2nd = "|(.{0,$maxLength}[^\=][^\=])|"; - - if (strlen($value) > $maxLength1stLine) { - // Begin with the regexp for the first line. - $reg = $reg1st; - $output = ''; - while ($value) { - // Split translated string at every $maxLength - // But make sure not to break any translated chars. - $found = preg_match($reg, $value, $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]); - $value = substr($value, $len); - } else { - $part = $value; - $value = ''; - } - - // RFC 2047 specifies that any split header should - // be separated by a CRLF SPACE - if ($output) { - $output .= $eol . ' '; - } - $output .= $prefix . $part . $suffix; - } - $value = $output; - } else { - $value = $prefix . $value . $suffix; - } - } - - return $value; - } - - /** - * Encodes the given string using quoted-printable - * - * @param string $str String to encode - * - * @return string Encoded string - * @access public - * @since 1.6.0 - */ - function encodeQP($str) - { - // Bug #17226 RFC 2047 restricts some characters - // if the word is inside a phrase, permitted chars are only: - // ASCII letters, decimal digits, "!", "*", "+", "-", "/", "=", and "_" - - // "=", "_", "?" must be encoded - $regexp = '/([\x22-\x29\x2C\x2E\x3A-\x40\x5B-\x60\x7B-\x7E\x80-\xFF])/'; - $str = preg_replace_callback( - $regexp, array('Mail_mimePart', '_qpReplaceCallback'), $str - ); - - return str_replace(' ', '_', $str); - } - - /** - * Encodes the given string using base64 or quoted-printable. - * This method makes sure that encoded-word represents an integral - * number of characters as per RFC2047. - * - * @param string $str String 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 $eol End-of-line sequence. Default: "\r\n" - * - * @return string Encoded string - * @access public - * @since 1.8.0 - */ - function encodeMB($str, $charset, $encoding, $prefix_len=0, $eol="\r\n") - { - if (!function_exists('mb_substr') || !function_exists('mb_strlen')) { - return; - } - - $encoding = $encoding == 'base64' ? 'B' : 'Q'; - // 75 is the value specified in the RFC - $prefix = '=?' . $charset . '?'.$encoding.'?'; - $suffix = '?='; - $maxLength = 75 - strlen($prefix . $suffix); - - // A multi-octet character may not be split across adjacent encoded-words - // So, we'll loop over each character - // mb_stlen() with wrong charset will generate a warning here and return null - $length = mb_strlen($str, $charset); - $result = ''; - $line_length = $prefix_len; - - if ($encoding == 'B') { - // base64 - $start = 0; - $prev = ''; - - for ($i=1; $i<=$length; $i++) { - // See #17311 - $chunk = mb_substr($str, $start, $i-$start, $charset); - $chunk = base64_encode($chunk); - $chunk_len = strlen($chunk); - - if ($line_length + $chunk_len == $maxLength || $i == $length) { - if ($result) { - $result .= "\n"; - } - $result .= $chunk; - $line_length = 0; - $start = $i; - } else if ($line_length + $chunk_len > $maxLength) { - if ($result) { - $result .= "\n"; - } - if ($prev) { - $result .= $prev; - } - $line_length = 0; - $start = $i - 1; - } else { - $prev = $chunk; - } - } - } else { - // quoted-printable - // see encodeQP() - $regexp = '/([\x22-\x29\x2C\x2E\x3A-\x40\x5B-\x60\x7B-\x7E\x80-\xFF])/'; - - for ($i=0; $i<=$length; $i++) { - $char = mb_substr($str, $i, 1, $charset); - // RFC recommends underline (instead of =20) in place of the space - // that's one of the reasons why we're not using iconv_mime_encode() - if ($char == ' ') { - $char = '_'; - $char_len = 1; - } else { - $char = preg_replace_callback( - $regexp, array('Mail_mimePart', '_qpReplaceCallback'), $char - ); - $char_len = strlen($char); - } - - if ($line_length + $char_len > $maxLength) { - if ($result) { - $result .= "\n"; - } - $line_length = 0; - } - - $result .= $char; - $line_length += $char_len; - } - } - - if ($result) { - $result = $prefix - .str_replace("\n", $suffix.$eol.' '.$prefix, $result).$suffix; - } - - return $result; - } - - /** - * Callback function to replace extended characters (\x80-xFF) with their - * ASCII values (RFC2047: quoted-printable) - * - * @param array $matches Preg_replace's matches array - * - * @return string Encoded character string - * @access private - */ - function _qpReplaceCallback($matches) - { - 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])); - } - - /** - * PEAR::isError implementation - * - * @param mixed $data Object - * - * @return bool True if object is an instance of PEAR_Error - * @access private - */ - function _isError($data) - { - // PEAR::isError() is not PHP 5.4 compatible (see Bug #19473) - if (is_object($data) && is_a($data, 'PEAR_Error')) { - return true; - } - - return false; - } - - /** - * PEAR::raiseError implementation - * - * @param $message A text error message - * - * @return PEAR_Error Instance of PEAR_Error - * @access private - */ - function _raiseError($message) - { - // PEAR::raiseError() is not PHP 5.4 compatible - return new PEAR_Error($message); - } - -} // End of class |