| | |
| | | * 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> |
| | | * @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 |
| | | * @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 |
| | | */ |
| | | |
| | | |
| | |
| | | * 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> |
| | | * @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 |
| | | * @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 { |
| | | |
| | | /** |
| | | class Mail_mimePart |
| | | { |
| | | /** |
| | | * The encoding type of this part |
| | | * |
| | | * @var string |
| | |
| | | */ |
| | | var $_encoding; |
| | | |
| | | /** |
| | | /** |
| | | * An array of subparts |
| | | * |
| | | * @var array |
| | |
| | | */ |
| | | var $_subparts; |
| | | |
| | | /** |
| | | /** |
| | | * The output of this part after being built |
| | | * |
| | | * @var string |
| | |
| | | */ |
| | | var $_encoded; |
| | | |
| | | /** |
| | | /** |
| | | * Headers for this part |
| | | * |
| | | * @var array |
| | |
| | | */ |
| | | var $_headers; |
| | | |
| | | /** |
| | | /** |
| | | * The body of this part (not encoded) |
| | | * |
| | | * @var string |
| | |
| | | var $_body; |
| | | |
| | | /** |
| | | * Constructor. |
| | | * |
| | | * Sets up the object. |
| | | * |
| | | * @param $body - The body of the mime part if any. |
| | | * @param $params - An associative array of parameters: |
| | | * content_type - The content type for this part eg multipart/mixed |
| | | * encoding - The encoding to use, 7bit, 8bit, base64, or quoted-printable |
| | | * cid - Content ID to apply |
| | | * disposition - Content disposition, inline or attachment |
| | | * dfilename - Optional filename parameter for content disposition |
| | | * description - Content description |
| | | * charset - Character set to use |
| | | * @access public |
| | | */ |
| | | * 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 |
| | | * dfilename - 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" |
| | | * body_file - Location of file with part's body (instead of $body) |
| | | * |
| | | * @access public |
| | | */ |
| | | function Mail_mimePart($body = '', $params = array()) |
| | | { |
| | | if (!defined('MAIL_MIMEPART_CRLF')) { |
| | | define('MAIL_MIMEPART_CRLF', defined('MAIL_MIME_CRLF') ? MAIL_MIME_CRLF : "\r\n", TRUE); |
| | | if (!empty($params['eol'])) { |
| | | $this->_eol = $params['eol']; |
| | | } else if (defined('MAIL_MIMEPART_CRLF')) { // backward-copat. |
| | | $this->_eol = MAIL_MIMEPART_CRLF; |
| | | } |
| | | |
| | | $contentType = array(); |
| | | $contentDisp = array(); |
| | | foreach ($params as $key => $value) { |
| | | switch ($key) { |
| | | case 'content_type': |
| | | $contentType['type'] = $value; |
| | | //$headers['Content-Type'] = $value . (isset($charset) ? '; charset="' . $charset . '"' : ''); |
| | | break; |
| | | case 'encoding': |
| | | $this->_encoding = $value; |
| | | $headers['Content-Transfer-Encoding'] = $value; |
| | | break; |
| | | |
| | | case 'encoding': |
| | | $this->_encoding = $value; |
| | | $headers['Content-Transfer-Encoding'] = $value; |
| | | break; |
| | | case 'cid': |
| | | $headers['Content-ID'] = '<' . $value . '>'; |
| | | break; |
| | | |
| | | case 'cid': |
| | | $headers['Content-ID'] = '<' . $value . '>'; |
| | | break; |
| | | case 'location': |
| | | $headers['Content-Location'] = $value; |
| | | break; |
| | | |
| | | case 'disposition': |
| | | $contentDisp['disp'] = $value; |
| | | break; |
| | | |
| | | case 'dfilename': |
| | | $contentDisp['filename'] = $value; |
| | | $contentType['name'] = $value; |
| | | break; |
| | | |
| | | case 'description': |
| | | $headers['Content-Description'] = $value; |
| | | break; |
| | | |
| | | case 'charset': |
| | | $contentType['charset'] = $value; |
| | | $contentDisp['charset'] = $value; |
| | | break; |
| | | |
| | | case 'language': |
| | | $contentType['language'] = $value; |
| | | $contentDisp['language'] = $value; |
| | | break; |
| | | |
| | | case 'location': |
| | | $headers['Content-Location'] = $value; |
| | | break; |
| | | |
| | | } |
| | | } |
| | | |
| | | if (isset($contentType['type'])) { |
| | | $headers['Content-Type'] = $contentType['type']; |
| | | if (isset($contentType['charset'])) { |
| | | $headers['Content-Type'] .= " charset={$contentType['charset']} "; |
| | | } |
| | | if (isset($contentType['name'])) { |
| | | $headers['Content-Type'] .= ';' . MAIL_MIMEPART_CRLF; |
| | | $headers['Content-Type'] .= |
| | | $this->_buildHeaderParam('name', $contentType['name'], |
| | | isset($contentType['charset']) ? $contentType['charset'] : 'US-ASCII', |
| | | isset($contentType['language']) ? $contentType['language'] : NULL, |
| | | isset($params['name-encoding']) ? $params['name-encoding'] : NULL); |
| | | } |
| | | } |
| | | |
| | | |
| | | if (isset($contentDisp['disp'])) { |
| | | $headers['Content-Disposition'] = $contentDisp['disp']; |
| | | if (isset($contentDisp['filename'])) { |
| | | $headers['Content-Disposition'] .= ';' . MAIL_MIMEPART_CRLF; |
| | | $headers['Content-Disposition'] .= |
| | | $this->_buildHeaderParam('filename', $contentDisp['filename'], |
| | | isset($contentDisp['charset']) ? $contentDisp['charset'] : 'US-ASCII', |
| | | isset($contentDisp['language']) ? $contentDisp['language'] : NULL, |
| | | isset($params['filename-encoding']) ? $params['filename-encoding'] : NULL); |
| | | case 'body_file': |
| | | $this->_body_file = $value; |
| | | break; |
| | | } |
| | | } |
| | | |
| | | // Default content-type |
| | | if (!isset($headers['Content-Type'])) { |
| | | $headers['Content-Type'] = 'text/plain'; |
| | | if (empty($params['content_type'])) { |
| | | $params['content_type'] = 'text/plain'; |
| | | } |
| | | |
| | | //Default encoding |
| | | // 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'] = $params['charset']; |
| | | } |
| | | } |
| | | if (!empty($params['filename'])) { |
| | | $headers['Content-Type'] .= ';' . $this->_eol; |
| | | $headers['Content-Type'] .= $this->_buildHeaderParam( |
| | | 'name', $params['filename'], |
| | | !empty($params['headers_charset']) ? $params['headers_charset'] : 'US-ASCII', |
| | | !empty($params['language']) ? $params['language'] : null, |
| | | !empty($params['name_encoding']) ? $params['name_encoding'] : null |
| | | ); |
| | | } |
| | | |
| | | // Content-Disposition |
| | | if (!empty($params['disposition'])) { |
| | | $headers['Content-Disposition'] = $params['disposition']; |
| | | if (!empty($params['filename'])) { |
| | | $headers['Content-Disposition'] .= ';' . $this->_eol; |
| | | $headers['Content-Disposition'] .= $this->_buildHeaderParam( |
| | | 'filename', $params['filename'], |
| | | !empty($params['headers_charset']) ? $params['headers_charset'] : 'US-ASCII', |
| | | !empty($params['language']) ? $params['language'] : null, |
| | | !empty($params['filename_encoding']) ? $params['filename_encoding'] : null |
| | | ); |
| | | } |
| | | } |
| | | |
| | | if (!empty($params['description'])) { |
| | | $headers['Content-Description'] = $this->encodeHeader( |
| | | 'Content-Description', $params['description'], |
| | | !empty($params['headers_charset']) ? $params['headers_charset'] : 'US-ASCII', |
| | | !empty($params['name_encoding']) ? $params['name_encoding'] : 'quoted-printable', |
| | | $this->_eol |
| | | ); |
| | | } |
| | | |
| | | // Default encoding |
| | | if (!isset($this->_encoding)) { |
| | | $this->_encoding = '7bit'; |
| | | } |
| | |
| | | } |
| | | |
| | | /** |
| | | * encode() |
| | | * |
| | | * Encodes and returns the email. Also stores |
| | | * it in the encoded member variable |
| | | * |
| | | * @param string $boundary Pre-defined boundary string |
| | | * |
| | | * @return An associative array containing two elements, |
| | | * body and headers. The headers element is itself |
| | | * an indexed array. |
| | | * an indexed array. On error returns PEAR error object. |
| | | * @access public |
| | | */ |
| | | function encode() |
| | | function encode($boundary=null) |
| | | { |
| | | $encoded =& $this->_encoded; |
| | | |
| | | if (count($this->_subparts)) { |
| | | $boundary = '=_' . md5(rand() . microtime()); |
| | | $this->_headers['Content-Type'] .= ';' . MAIL_MIMEPART_CRLF . "\t" . 'boundary="' . $boundary . '"'; |
| | | $boundary = $boundary ? $boundary : '=_' . md5(rand() . microtime()); |
| | | $eol = $this->_eol; |
| | | |
| | | // Add body parts to $subparts |
| | | $this->_headers['Content-Type'] .= ";$eol boundary=\"$boundary\""; |
| | | |
| | | $encoded['body'] = ''; |
| | | |
| | | for ($i = 0; $i < count($this->_subparts); $i++) { |
| | | $headers = array(); |
| | | $encoded['body'] .= '--' . $boundary . $eol; |
| | | $tmp = $this->_subparts[$i]->encode(); |
| | | foreach ($tmp['headers'] as $key => $value) { |
| | | $headers[] = $key . ': ' . $value; |
| | | if (PEAR::isError($tmp)) { |
| | | return $tmp; |
| | | } |
| | | $subparts[] = implode(MAIL_MIMEPART_CRLF, $headers) . MAIL_MIMEPART_CRLF . MAIL_MIMEPART_CRLF . $tmp['body'] . MAIL_MIMEPART_CRLF; |
| | | foreach ($tmp['headers'] as $key => $value) { |
| | | $encoded['body'] .= $key . ': ' . $value . $eol; |
| | | } |
| | | $encoded['body'] .= $eol . $tmp['body'] . $eol; |
| | | } |
| | | |
| | | $encoded['body'] = '--' . $boundary . MAIL_MIMEPART_CRLF . |
| | | implode('--' . $boundary . MAIL_MIMEPART_CRLF , $subparts) . |
| | | '--' . $boundary.'--' . MAIL_MIMEPART_CRLF; |
| | | $encoded['body'] .= '--' . $boundary . '--' . $eol; |
| | | |
| | | } else { |
| | | } else if ($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', $magic_quote_setting); |
| | | } |
| | | |
| | | if (PEAR::isError($body)) { |
| | | return $body; |
| | | } |
| | | $encoded['body'] = $body; |
| | | } else { |
| | | $encoded['body'] = ''; |
| | | } |
| | | |
| | | // Add headers to $encoded |
| | |
| | | } |
| | | |
| | | /** |
| | | * &addSubPart() |
| | | * 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 = PEAR::raiseError('File is not writeable: ' . $filename); |
| | | return $err; |
| | | } |
| | | |
| | | if (!($fh = fopen($filename, 'ab'))) { |
| | | $err = PEAR::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', $magic_quote_setting); |
| | | } |
| | | |
| | | return PEAR::isError($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($fh); |
| | | if (PEAR::isError($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, $fh |
| | | ); |
| | | if (PEAR::isError($res)) { |
| | | return $res; |
| | | } |
| | | } |
| | | |
| | | return true; |
| | | } |
| | | |
| | | /** |
| | | * Adds a subpart to current mime part and returns |
| | | * a reference to it |
| | | * |
| | | * @param $body The body of the subpart, if any. |
| | | * @param $params The parameters for the subpart, same |
| | | * as the $params argument for constructor. |
| | | * @return A reference to the part you just added. 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. |
| | | * @param string $body The body of the subpart, if any. |
| | | * @param array $params The parameters for the subpart, same |
| | | * as the $params argument for constructor. |
| | | * |
| | | * @return Mail_mimePart A reference to the part you just added. It is |
| | | * crucial if using multipart/* in your subparts that |
| | | * you use =& in your script when calling this function, |
| | | * otherwise you will not be able to add further subparts. |
| | | * @access public |
| | | */ |
| | | function &addSubPart($body, $params) |
| | | function &addSubpart($body, $params) |
| | | { |
| | | $this->_subparts[] = new Mail_mimePart($body, $params); |
| | | return $this->_subparts[count($this->_subparts) - 1]; |
| | | } |
| | | |
| | | /** |
| | | * _getEncodedData() |
| | | * |
| | | * Returns encoded data based upon encoding passed to it |
| | | * |
| | | * @param $data The data to encode. |
| | | * @param $encoding The encoding type to use, 7bit, base64, |
| | | * or quoted-printable. |
| | | * @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 '8bit': |
| | | case '7bit': |
| | | return $data; |
| | | break; |
| | | case 'quoted-printable': |
| | | return $this->_quotedPrintableEncode($data); |
| | | break; |
| | | |
| | | case 'quoted-printable': |
| | | return $this->_quotedPrintableEncode($data); |
| | | break; |
| | | case 'base64': |
| | | return rtrim(chunk_split(base64_encode($data), 76, $this->_eol)); |
| | | break; |
| | | |
| | | case 'base64': |
| | | return rtrim(chunk_split(base64_encode($data), 76, MAIL_MIMEPART_CRLF)); |
| | | break; |
| | | |
| | | default: |
| | | return $data; |
| | | case '8bit': |
| | | case '7bit': |
| | | default: |
| | | return $data; |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * quotedPrintableEncode() |
| | | * 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 = PEAR::raiseError('Unable to read file: ' . $filename); |
| | | return $err; |
| | | } |
| | | |
| | | if (!($fd = fopen($filename, 'rb'))) { |
| | | $err = PEAR::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 $input The data to encode |
| | | * @param $line_max Optional max line length. Should |
| | | * not be more than 76 chars |
| | | * @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); |
| | | $eol = MAIL_MIMEPART_CRLF; |
| | | $escape = '='; |
| | | $output = ''; |
| | | |
| | | while (list(, $line) = each($lines)) { |
| | | |
| | | $line = preg_split('||', $line, -1, PREG_SPLIT_NO_EMPTY); |
| | | $linlen = count($line); |
| | | while (list($idx, $line) = each($lines)) { |
| | | $newline = ''; |
| | | $i = 0; |
| | | |
| | | for ($i = 0; $i < $linlen; $i++) { |
| | | while (isset($line[$i])) { |
| | | $char = $line[$i]; |
| | | $dec = ord($char); |
| | | $i++; |
| | | |
| | | if (($dec == 32) AND ($i == ($linlen - 1))) { // convert space at eol only |
| | | if (($dec == 32) && (!isset($line[$i]))) { |
| | | // convert space at eol only |
| | | $char = '=20'; |
| | | |
| | | } elseif (($dec == 9) AND ($i == ($linlen - 1))) { // convert tab at eol only |
| | | $char = '=09'; |
| | | } elseif ($dec == 9) { |
| | | ; // Do nothing if a tab. |
| | | } elseif (($dec == 61) OR ($dec < 32 ) OR ($dec > 126)) { |
| | | $char = $escape . strtoupper(sprintf('%02s', dechex($dec))); |
| | | } elseif (($dec == 46) AND (($newline == '') || ((strlen($newline) + strlen("=2E")) >= $line_max))) { |
| | | //Bug #9722: convert full-stop at bol, |
| | | //some Windows servers need this, won't break anything (cipri) |
| | | //Bug #11731: full-stop at bol also needs to be encoded |
| | | //if this line would push us over the line_max limit. |
| | | } elseif ($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 |
| | | if ((strlen($newline) + strlen($char)) >= $line_max) { // MAIL_MIMEPART_CRLF is not counted |
| | | $output .= $newline . $escape . $eol; // soft line break; " =\r\n" is okay |
| | | // Note, when changing this line, also change the ($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]); |
| | | } |
| | | $output = substr($output, 0, -1 * strlen($eol)); // Don't want last crlf |
| | | // Don't want last crlf |
| | | $output = substr($output, 0, -1 * strlen($eol)); |
| | | return $output; |
| | | } |
| | | |
| | | /** |
| | | * _buildHeaderParam() |
| | | * |
| | | * Encodes the paramater of a header. |
| | | * |
| | | * @param $name The name of the header-parameter |
| | | * @param $value The value of the paramter |
| | | * @param $charset The characterset of $value |
| | | * @param $language The language used in $value |
| | | * @param $paramEnc Parameter encoding type |
| | | * @param $maxLength The maximum length of a line. Defauls to 78 |
| | | * @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, $paramEnc=NULL, $maxLength=78) |
| | | { |
| | | // RFC 2045: |
| | | // value needs encoding if contains non-ASCII chars or is longer than 78 chars |
| | | if (!preg_match('#[^\x20-\x7E]#', $value)) { // ASCII |
| | | // 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}=\"{$quoted}\";"; |
| | | } |
| | | } |
| | | function _buildHeaderParam($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}=\"{$quoted}\""; |
| | | } |
| | | } |
| | | } |
| | | |
| | | // RFC2047: use quoted-printable/base64 encoding |
| | | if ($paramEnc == 'quoted-printable' || $paramEnc == 'base64') |
| | | return $this->_buildRFC2047Param($name, $value, $charset, $paramEnc); |
| | | // RFC2047: use quoted-printable/base64 encoding |
| | | if ($encoding == 'quoted-printable' || $encoding == 'base64') { |
| | | return $this->_buildRFC2047Param($name, $value, $charset, $encoding); |
| | | } |
| | | |
| | | // RFC2231: |
| | | $encValue = preg_replace('#([^\x21,\x23,\x24,\x26,\x2B,\x2D,\x2E,\x30-\x39,\x41-\x5A,\x5E-\x7E])#e', |
| | | '"%" . strtoupper(dechex(ord("\1")))', $value); |
| | | // 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};"; |
| | | $header = " {$name}*={$value}"; |
| | | if (strlen($header) <= $maxLength) { |
| | | return $header; |
| | | } |
| | |
| | | } |
| | | $headCount++; |
| | | } |
| | | $headers = implode(';' . MAIL_MIMEPART_CRLF, $headers) . ';'; |
| | | |
| | | $headers = implode(';' . $this->_eol, $headers); |
| | | return $headers; |
| | | } |
| | | |
| | | /** |
| | | * Encodes header parameter as per RFC2047 if needed (values too long will be truncated) |
| | | * 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 $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 (75 is the value specified in the RFC) |
| | | * @param int $maxLength Encoded parameter max length. Default: 76 |
| | | * |
| | | * @return string Parameter line |
| | | * @access private |
| | | */ |
| | | function _buildRFC2047Param($name, $value, $charset, $encoding='quoted-printable', $maxLength=75) |
| | | { |
| | | if (!preg_match('#([^\x20-\x7E]){1}#', $value)) |
| | | { |
| | | $quoted = addcslashes($value, '\\"'); |
| | | $maxLength = $maxLength - 6; |
| | | if (strlen($quoted) > $maxLength) |
| | | { |
| | | // truncate filename leaving extension |
| | | $ext = strrchr($quoted, '.'); |
| | | $quoted = substr($quoted, 0, $maxLength - strlen($ext)); |
| | | // remove backslashes from the end of filename |
| | | preg_replace('/[\\\\]+$/', '', $quoted); |
| | | $quoted .= $ext; |
| | | } |
| | | } |
| | | else if ($encoding == 'base64') |
| | | { |
| | | $ext = strrchr($value, '.'); |
| | | $value = substr($value, 0, strlen($value) - strlen($ext)); |
| | | |
| | | $ext = base64_encode($ext); |
| | | $value = base64_encode($value); |
| | | 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 = '?='; |
| | | $maxLength = $maxLength - strlen($prefix . $suffix) - strlen($ext) - 2; |
| | | |
| | | //We can cut base64 every 4 characters, so the real max |
| | | //we can get must be rounded down. |
| | | $maxLength = $maxLength - ($maxLength % 4); |
| | | $quoted = $prefix . substr($value, 0, $maxLength) . $ext . $suffix; |
| | | } |
| | | else // quoted-printable |
| | | { |
| | | $ext = strrchr($value, '.'); |
| | | $value = substr($value, 0, strlen($value) - strlen($ext)); |
| | | // 2 x SPACE, 2 x '"', '=', ';' |
| | | $add_len = strlen($prefix . $suffix) + strlen($name) + 6; |
| | | $len = $add_len + strlen($value); |
| | | |
| | | // Replace all special characters used by the encoder. |
| | | $search = array('=', '_', '?', ' '); |
| | | $replace = array('=3D', '=5F', '=3F', '_'); |
| | | $ext = str_replace($search, $replace, $ext); |
| | | $value = str_replace($search, $replace, $value); |
| | | while ($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); |
| | | |
| | | // Replace all extended characters (\x80-xFF) with their |
| | | // ASCII values. |
| | | $ext = preg_replace('/([\x80-\xFF])/e', |
| | | '"=" . strtoupper(dechex(ord("\1")))', $ext); |
| | | $value = preg_replace('/([\x80-\xFF])/e', |
| | | '"=" . strtoupper(dechex(ord("\1")))', $value); |
| | | $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 = '?='; |
| | | |
| | | $maxLength = $maxLength - strlen($prefix . $suffix) - strlen($ext) - 2; |
| | | |
| | | // Truncate QP-encoded text at $maxLength |
| | | // but not break any encoded letters. |
| | | if(preg_match("/^(.{0,$maxLength}[^\=][^\=])/", $value, $matches)) |
| | | $value = $matches[1]; |
| | | |
| | | $quoted = $prefix . $value . $ext . $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}=\"{$quoted}\"; "; |
| | | return " {$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', |
| | | '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 $string Input string |
| | | * |
| | | * @return array String tokens array |
| | | * @access private |
| | | */ |
| | | function _explodeQuotedString($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 = $maxLength; |
| | | // RFC 2047 specifies that any split header should |
| | | // be seperated by a CRLF SPACE. |
| | | if ($output) { |
| | | $output .= $eol . ' '; |
| | | } |
| | | $output .= $prefix . $part . $suffix; |
| | | } |
| | | $value = $output; |
| | | } else { |
| | | // quoted-printable encoding has been selected |
| | | $value = Mail_mimePart::encodeQP($value); |
| | | |
| | | // 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; |
| | | $value = ''; |
| | | } |
| | | |
| | | // RFC 2047 specifies that any split header should |
| | | // be seperated by a CRLF SPACE |
| | | if ($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])); |
| | | } |
| | | |
| | | } // End of class |