| | |
| | | |
| | | /* |
| | | +-----------------------------------------------------------------------+ |
| | | | program/include/rcube_mime.php | |
| | | | | |
| | | | This file is part of the Roundcube Webmail client | |
| | | | Copyright (C) 2005-2012, The Roundcube Dev Team | |
| | | | Copyright (C) 2011-2012, Kolab Systems AG | |
| | | | Copyright (C) 2005-2014, The Roundcube Dev Team | |
| | | | Copyright (C) 2011-2014, Kolab Systems AG | |
| | | | | |
| | | | Licensed under the GNU General Public License version 3 or | |
| | | | any later version with exceptions for skins & plugins. | |
| | |
| | | | | |
| | | | PURPOSE: | |
| | | | MIME message parsing utilities | |
| | | | | |
| | | +-----------------------------------------------------------------------+ |
| | | | Author: Thomas Bruederli <roundcube@gmail.com> | |
| | | | Author: Aleksander Machniak <alec@alec.pl> | |
| | | +-----------------------------------------------------------------------+ |
| | | */ |
| | | |
| | | |
| | | /** |
| | | * Class for parsing MIME messages |
| | |
| | | self::$default_charset = $default_charset; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Returns message/object character set name |
| | | * |
| | |
| | | return RCUBE_CHARSET; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Parse the given raw message source and return a structure |
| | | * of rcube_message_part objects. |
| | |
| | | return self::structure_part($struct); |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Recursive method to convert a Mail_mimeDecode part into a rcube_message_part object |
| | | * |
| | |
| | | private static function structure_part($part, $count=0, $parent='') |
| | | { |
| | | $struct = new rcube_message_part; |
| | | $struct->mime_id = $part->mime_id ? $part->mime_id : (empty($parent) ? (string)$count : "$parent.$count"); |
| | | $struct->headers = $part->headers; |
| | | $struct->ctype_primary = $part->ctype_primary; |
| | | $struct->ctype_secondary = $part->ctype_secondary; |
| | | $struct->mimetype = $part->ctype_primary . '/' . $part->ctype_secondary; |
| | | $struct->mime_id = $part->mime_id ?: (empty($parent) ? (string)$count : "$parent.$count"); |
| | | $struct->headers = $part->headers; |
| | | $struct->mimetype = $part->ctype_primary . '/' . $part->ctype_secondary; |
| | | $struct->ctype_primary = $part->ctype_primary; |
| | | $struct->ctype_secondary = $part->ctype_secondary; |
| | | $struct->ctype_parameters = $part->ctype_parameters; |
| | | |
| | | if ($part->headers['content-transfer-encoding']) |
| | | if ($part->headers['content-transfer-encoding']) { |
| | | $struct->encoding = $part->headers['content-transfer-encoding']; |
| | | if ($part->ctype_parameters['charset']) |
| | | $struct->charset = $part->ctype_parameters['charset']; |
| | | } |
| | | |
| | | $part_charset = $struct->charset ? $struct->charset : self::get_charset(); |
| | | if ($part->ctype_parameters['charset']) { |
| | | $struct->charset = $part->ctype_parameters['charset']; |
| | | } |
| | | |
| | | $part_charset = $struct->charset ?: self::get_charset(); |
| | | |
| | | // determine filename |
| | | if (($filename = $part->d_parameters['filename']) || ($filename = $part->ctype_parameters['name'])) { |
| | | $struct->filename = rcube_mime::decode_mime_string($filename, $part_charset); |
| | | } |
| | | |
| | | // copy part body and convert it to UTF-8 if necessary |
| | | $struct->body = $part->ctype_primary == 'text' || !$part->ctype_parameters['charset'] ? rcube_charset::convert($part->body, $part_charset) : $part->body; |
| | | $struct->size = strlen($part->body); |
| | | $struct->body = $part->body; |
| | | $struct->size = strlen($part->body); |
| | | $struct->disposition = $part->disposition; |
| | | |
| | | foreach ((array)$part->parts as $child_part) { |
| | |
| | | return $struct; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Split an address list into a structured array list |
| | | * |
| | |
| | | * @param int $max List only this number of addresses |
| | | * @param boolean $decode Decode address strings |
| | | * @param string $fallback Fallback charset if none specified |
| | | * @param boolean $addronly Return flat array with e-mail addresses only |
| | | * |
| | | * @return array Indexed list of addresses |
| | | * @return array Indexed list of addresses |
| | | */ |
| | | static function decode_address_list($input, $max = null, $decode = true, $fallback = null) |
| | | static function decode_address_list($input, $max = null, $decode = true, $fallback = null, $addronly = false) |
| | | { |
| | | $a = self::parse_address_list($input, $decode, $fallback); |
| | | $out = array(); |
| | |
| | | foreach ($a as $val) { |
| | | $j++; |
| | | $address = trim($val['address']); |
| | | $name = trim($val['name']); |
| | | |
| | | if ($name && $address && $name != $address) |
| | | $string = sprintf('%s <%s>', preg_match("/$special_chars/", $name) ? '"'.addcslashes($name, '"').'"' : $name, $address); |
| | | else if ($address) |
| | | $string = $address; |
| | | else if ($name) |
| | | $string = $name; |
| | | if ($addronly) { |
| | | $out[$j] = $address; |
| | | } |
| | | else { |
| | | $name = trim($val['name']); |
| | | if ($name && $address && $name != $address) |
| | | $string = sprintf('%s <%s>', preg_match("/$special_chars/", $name) ? '"'.addcslashes($name, '"').'"' : $name, $address); |
| | | else if ($address) |
| | | $string = $address; |
| | | else if ($name) |
| | | $string = $name; |
| | | |
| | | $out[$j] = array( |
| | | 'name' => $name, |
| | | 'mailto' => $address, |
| | | 'string' => $string |
| | | ); |
| | | $out[$j] = array('name' => $name, 'mailto' => $address, 'string' => $string); |
| | | } |
| | | |
| | | if ($max && $j==$max) |
| | | break; |
| | |
| | | |
| | | return $out; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Decode a message header value |
| | |
| | | |
| | | return $str; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Decode a mime-encoded string to internal charset |
| | |
| | | return rcube_charset::convert($input, $default_charset); |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Decode a mime part |
| | | * |
| | | * @param string $input Input string |
| | | * @param string $encoding Part encoding |
| | | * |
| | | * @return string Decoded string |
| | | */ |
| | | public static function decode($input, $encoding = '7bit') |
| | |
| | | } |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Split RFC822 header string into an associative array |
| | | * @access private |
| | | */ |
| | | public static function parse_headers($headers) |
| | | { |
| | |
| | | |
| | | return $a_headers; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * @access private |
| | |
| | | $address = $m[1]; |
| | | $name = ''; |
| | | } |
| | | // special case (#1489092) |
| | | else if (preg_match('/(\s*<MAILER-DAEMON>)$/', $val, $m)) { |
| | | $address = 'MAILER-DAEMON'; |
| | | $name = substr($val, 0, -strlen($m[1])); |
| | | } |
| | | else if (preg_match('/('.$email_rx.')/', $val, $m)) { |
| | | $name = $m[1]; |
| | | } |
| | | else { |
| | | $name = $val; |
| | | } |
| | |
| | | } |
| | | if ($decode) { |
| | | $name = self::decode_header($name, $fallback); |
| | | // some clients encode addressee name with quotes around it |
| | | if ($name[0] == '"' && $name[strlen($name)-1] == '"') { |
| | | $name = substr($name, 1, -1); |
| | | } |
| | | } |
| | | } |
| | | |
| | | if (!$address && $name) { |
| | | $address = $name; |
| | | $name = ''; |
| | | } |
| | | |
| | | if ($address) { |
| | | $address = self::fix_email($address); |
| | | $result[$key] = array('name' => $name, 'address' => $address); |
| | | } |
| | | } |
| | | |
| | | return $result; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Explodes header (e.g. address-list) string into array of strings |
| | |
| | | return $result; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Interpret a format=flowed message body according to RFC 2646 |
| | | * |
| | | * @param string $text Raw body formatted as flowed text |
| | | * @param string $text Raw body formatted as flowed text |
| | | * @param string $mark Mark each flowed line with specified character |
| | | * |
| | | * @return string Interpreted text with unwrapped lines and stuffed space removed |
| | | */ |
| | | public static function unfold_flowed($text) |
| | | public static function unfold_flowed($text, $mark = null) |
| | | { |
| | | $text = preg_split('/\r?\n/', $text); |
| | | $last = -1; |
| | | $text = preg_split('/\r?\n/', $text); |
| | | $last = -1; |
| | | $q_level = 0; |
| | | $marks = array(); |
| | | |
| | | foreach ($text as $idx => $line) { |
| | | if ($line[0] == '>' && preg_match('/^(>+\s*)/', $line, $regs)) { |
| | | $q = strlen(str_replace(' ', '', $regs[0])); |
| | | $line = substr($line, strlen($regs[0])); |
| | | if (preg_match('/^(>+)/', $line, $m)) { |
| | | // remove quote chars |
| | | $q = strlen($m[1]); |
| | | $line = preg_replace('/^>+/', '', $line); |
| | | // remove (optional) space-staffing |
| | | $line = preg_replace('/^ /', '', $line); |
| | | |
| | | if ($q == $q_level && $line |
| | | && isset($text[$last]) |
| | | && $text[$last][strlen($text[$last])-1] == ' ' |
| | | // The same paragraph (We join current line with the previous one) when: |
| | | // - the same level of quoting |
| | | // - previous line was flowed |
| | | // - previous line contains more than only one single space (and quote char(s)) |
| | | if ($q == $q_level |
| | | && isset($text[$last]) && $text[$last][strlen($text[$last])-1] == ' ' |
| | | && !preg_match('/^>+ {0,1}$/', $text[$last]) |
| | | ) { |
| | | $text[$last] .= $line; |
| | | unset($text[$idx]); |
| | | |
| | | if ($mark) { |
| | | $marks[$last] = true; |
| | | } |
| | | } |
| | | else { |
| | | $last = $idx; |
| | |
| | | } |
| | | else { |
| | | // remove space-stuffing |
| | | $line = preg_replace('/^\s/', '', $line); |
| | | $line = preg_replace('/^ /', '', $line); |
| | | |
| | | if (isset($text[$last]) && $line |
| | | && $text[$last] != '-- ' |
| | |
| | | ) { |
| | | $text[$last] .= $line; |
| | | unset($text[$idx]); |
| | | |
| | | if ($mark) { |
| | | $marks[$last] = true; |
| | | } |
| | | } |
| | | else { |
| | | $text[$idx] = $line; |
| | |
| | | $q_level = $q; |
| | | } |
| | | |
| | | if (!empty($marks)) { |
| | | foreach (array_keys($marks) as $mk) { |
| | | $text[$mk] = $mark . $text[$mk]; |
| | | } |
| | | } |
| | | |
| | | return implode("\r\n", $text); |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Wrap the given text to comply with RFC 2646 |
| | | * |
| | | * @param string $text Text to wrap |
| | | * @param int $length Length |
| | | * @param string $text Text to wrap |
| | | * @param int $length Length |
| | | * @param string $charset Character encoding of $text |
| | | * |
| | | * @return string Wrapped text |
| | |
| | | |
| | | foreach ($text as $idx => $line) { |
| | | if ($line != '-- ') { |
| | | if ($line[0] == '>' && preg_match('/^(>+ {0,1})+/', $line, $regs)) { |
| | | $level = substr_count($regs[0], '>'); |
| | | if (preg_match('/^(>+)/', $line, $m)) { |
| | | // remove quote chars |
| | | $level = strlen($m[1]); |
| | | $line = preg_replace('/^>+/', '', $line); |
| | | // remove (optional) space-staffing and spaces before the line end |
| | | $line = preg_replace('/(^ | +$)/', '', $line); |
| | | $prefix = str_repeat('>', $level) . ' '; |
| | | $line = rtrim(substr($line, strlen($regs[0]))); |
| | | $line = $prefix . self::wordwrap($line, $length - $level - 2, " \r\n$prefix", false, $charset); |
| | | } |
| | | else if ($line) { |
| | |
| | | return implode("\r\n", $text); |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Improved wordwrap function. |
| | | * Improved wordwrap function with multibyte support. |
| | | * The code is based on Zend_Text_MultiByte::wordWrap(). |
| | | * |
| | | * @param string $string Text to wrap |
| | | * @param int $width Line width |
| | | * @param string $break Line separator |
| | | * @param bool $cut Enable to cut word |
| | | * @param string $charset Charset of $string |
| | | * @param string $string Text to wrap |
| | | * @param int $width Line width |
| | | * @param string $break Line separator |
| | | * @param bool $cut Enable to cut word |
| | | * @param string $charset Charset of $string |
| | | * @param bool $wrap_quoted When enabled quoted lines will not be wrapped |
| | | * |
| | | * @return string Text |
| | | */ |
| | | public static function wordwrap($string, $width=75, $break="\n", $cut=false, $charset=null) |
| | | public static function wordwrap($string, $width=75, $break="\n", $cut=false, $charset=null, $wrap_quoted=true) |
| | | { |
| | | if ($charset && function_exists('mb_internal_encoding')) { |
| | | // Note: Never try to use iconv instead of mbstring functions here |
| | | // Iconv's substr/strlen are 100x slower (#1489113) |
| | | |
| | | if ($charset && $charset != RCUBE_CHARSET && function_exists('mb_internal_encoding')) { |
| | | mb_internal_encoding($charset); |
| | | } |
| | | |
| | | $para = preg_split('/\r?\n/', $string); |
| | | $string = ''; |
| | | // Convert \r\n to \n, this is our line-separator |
| | | $string = str_replace("\r\n", "\n", $string); |
| | | $separator = "\n"; // must be 1 character length |
| | | $result = array(); |
| | | |
| | | while (count($para)) { |
| | | $line = array_shift($para); |
| | | if ($line[0] == '>') { |
| | | $string .= $line.$break; |
| | | continue; |
| | | } |
| | | while (($stringLength = mb_strlen($string)) > 0) { |
| | | $breakPos = mb_strpos($string, $separator, 0); |
| | | |
| | | $list = explode(' ', $line); |
| | | $len = 0; |
| | | while (count($list)) { |
| | | $line = array_shift($list); |
| | | $l = mb_strlen($line); |
| | | $newlen = $len + $l + ($len ? 1 : 0); |
| | | |
| | | if ($newlen <= $width) { |
| | | $string .= ($len ? ' ' : '').$line; |
| | | $len += (1 + $l); |
| | | // quoted line (do not wrap) |
| | | if ($wrap_quoted && $string[0] == '>') { |
| | | if ($breakPos === $stringLength - 1 || $breakPos === false) { |
| | | $subString = $string; |
| | | $cutLength = null; |
| | | } |
| | | else { |
| | | if ($l > $width) { |
| | | if ($cut) { |
| | | $start = 0; |
| | | while ($l) { |
| | | $str = mb_substr($line, $start, $width); |
| | | $strlen = mb_strlen($str); |
| | | $string .= ($len ? $break : '').$str; |
| | | $start += $strlen; |
| | | $l -= $strlen; |
| | | $len = $strlen; |
| | | $subString = mb_substr($string, 0, $breakPos); |
| | | $cutLength = $breakPos + 1; |
| | | } |
| | | } |
| | | // next line found and current line is shorter than the limit |
| | | else if ($breakPos !== false && $breakPos < $width) { |
| | | if ($breakPos === $stringLength - 1) { |
| | | $subString = $string; |
| | | $cutLength = null; |
| | | } |
| | | else { |
| | | $subString = mb_substr($string, 0, $breakPos); |
| | | $cutLength = $breakPos + 1; |
| | | } |
| | | } |
| | | else { |
| | | $subString = mb_substr($string, 0, $width); |
| | | |
| | | // last line |
| | | if ($breakPos === false && $subString === $string) { |
| | | $cutLength = null; |
| | | } |
| | | else { |
| | | $nextChar = mb_substr($string, $width, 1); |
| | | |
| | | if ($nextChar === ' ' || $nextChar === $separator) { |
| | | $afterNextChar = mb_substr($string, $width + 1, 1); |
| | | |
| | | // Note: mb_substr() does never return False |
| | | if ($afterNextChar === false || $afterNextChar === '') { |
| | | $subString .= $nextChar; |
| | | } |
| | | |
| | | $cutLength = mb_strlen($subString) + 1; |
| | | } |
| | | else { |
| | | $spacePos = mb_strrpos($subString, ' ', 0); |
| | | |
| | | if ($spacePos !== false) { |
| | | $subString = mb_substr($subString, 0, $spacePos); |
| | | $cutLength = $spacePos + 1; |
| | | } |
| | | else if ($cut === false) { |
| | | $spacePos = mb_strpos($string, ' ', 0); |
| | | |
| | | if ($spacePos !== false && ($breakPos === false || $spacePos < $breakPos)) { |
| | | $subString = mb_substr($string, 0, $spacePos); |
| | | $cutLength = $spacePos + 1; |
| | | } |
| | | else if ($breakPos === false) { |
| | | $subString = $string; |
| | | $cutLength = null; |
| | | } |
| | | else { |
| | | $subString = mb_substr($string, 0, $breakPos); |
| | | $cutLength = $breakPos + 1; |
| | | } |
| | | } |
| | | else { |
| | | $string .= ($len ? $break : '').$line; |
| | | if (count($list)) { |
| | | $string .= $break; |
| | | } |
| | | $len = 0; |
| | | $cutLength = $width; |
| | | } |
| | | } |
| | | else { |
| | | $string .= $break.$line; |
| | | $len = $l; |
| | | } |
| | | } |
| | | } |
| | | |
| | | if (count($para)) { |
| | | $string .= $break; |
| | | $result[] = $subString; |
| | | |
| | | if ($cutLength !== null) { |
| | | $string = mb_substr($string, $cutLength, ($stringLength - $cutLength)); |
| | | } |
| | | else { |
| | | break; |
| | | } |
| | | } |
| | | |
| | | if ($charset && function_exists('mb_internal_encoding')) { |
| | | if ($charset && $charset != RCUBE_CHARSET && function_exists('mb_internal_encoding')) { |
| | | mb_internal_encoding(RCUBE_CHARSET); |
| | | } |
| | | |
| | | return $string; |
| | | return implode($break, $result); |
| | | } |
| | | |
| | | |
| | | /** |
| | | * A method to guess the mime_type of an attachment. |
| | |
| | | */ |
| | | public static function file_content_type($path, $name, $failover = 'application/octet-stream', $is_stream = false, $skip_suffix = false) |
| | | { |
| | | $mime_type = null; |
| | | $mime_magic = rcube::get_instance()->config->get('mime_magic'); |
| | | $mime_ext = $skip_suffix ? null : @include(RCUBE_CONFIG_DIR . '/mimetypes.php'); |
| | | static $mime_ext = array(); |
| | | |
| | | $mime_type = null; |
| | | $config = rcube::get_instance()->config; |
| | | $mime_magic = $config->get('mime_magic'); |
| | | |
| | | if (!$skip_suffix && empty($mime_ext)) { |
| | | foreach ($config->resolve_paths('mimetypes.php') as $fpath) { |
| | | $mime_ext = array_merge($mime_ext, (array) @include($fpath)); |
| | | } |
| | | } |
| | | |
| | | // use file name suffix with hard-coded mime-type map |
| | | if (is_array($mime_ext) && $name) { |
| | | if (!$skip_suffix && is_array($mime_ext) && $name) { |
| | | if ($suffix = substr($name, strrpos($name, '.')+1)) { |
| | | $mime_type = $mime_ext[strtolower($suffix)]; |
| | | } |
| | |
| | | |
| | | // try fileinfo extension if available |
| | | if (!$mime_type && function_exists('finfo_open')) { |
| | | if ($finfo = finfo_open(FILEINFO_MIME, $mime_magic)) { |
| | | // null as a 2nd argument should be the same as no argument |
| | | // this however is not true on all systems/versions |
| | | if ($mime_magic) { |
| | | $finfo = finfo_open(FILEINFO_MIME, $mime_magic); |
| | | } |
| | | else { |
| | | $finfo = finfo_open(FILEINFO_MIME); |
| | | } |
| | | |
| | | if ($finfo) { |
| | | if ($is_stream) |
| | | $mime_type = finfo_buffer($finfo, $path); |
| | | else |
| | |
| | | return $mime_type; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Get mimetype => file extension mapping |
| | | * |
| | | * @param string Mime-Type to get extensions for |
| | | * @return array List of extensions matching the given mimetype or a hash array with ext -> mimetype mappings if $mimetype is not given |
| | | * @param string Mime-Type to get extensions for |
| | | * |
| | | * @return array List of extensions matching the given mimetype or a hash array |
| | | * with ext -> mimetype mappings if $mimetype is not given |
| | | */ |
| | | public static function get_mime_extensions($mimetype = null) |
| | | { |
| | |
| | | // load mapping file |
| | | $file_paths = array(); |
| | | |
| | | if ($mime_types = rcube::get_instance()->config->get('mime_types')) |
| | | if ($mime_types = rcube::get_instance()->config->get('mime_types')) { |
| | | $file_paths[] = $mime_types; |
| | | } |
| | | |
| | | // try common locations |
| | | $file_paths[] = '/etc/mime.types'; |
| | | $file_paths[] = '/etc/httpd/mime.types'; |
| | | $file_paths[] = '/etc/httpd2/mime.types'; |
| | | $file_paths[] = '/etc/apache/mime.types'; |
| | | $file_paths[] = '/etc/apache2/mime.types'; |
| | | $file_paths[] = '/usr/local/etc/httpd/conf/mime.types'; |
| | | $file_paths[] = '/usr/local/etc/apache/conf/mime.types'; |
| | | if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN') { |
| | | $file_paths[] = 'C:/xampp/apache/conf/mime.types.'; |
| | | } |
| | | else { |
| | | $file_paths[] = '/etc/mime.types'; |
| | | $file_paths[] = '/etc/httpd/mime.types'; |
| | | $file_paths[] = '/etc/httpd2/mime.types'; |
| | | $file_paths[] = '/etc/apache/mime.types'; |
| | | $file_paths[] = '/etc/apache2/mime.types'; |
| | | $file_paths[] = '/etc/nginx/mime.types'; |
| | | $file_paths[] = '/usr/local/etc/httpd/conf/mime.types'; |
| | | $file_paths[] = '/usr/local/etc/apache/conf/mime.types'; |
| | | } |
| | | |
| | | foreach ($file_paths as $fp) { |
| | | if (is_readable($fp)) { |
| | | $lines = file($fp, FILE_IGNORE_NEW_LINES); |
| | | if (@is_readable($fp)) { |
| | | $lines = file($fp, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES); |
| | | break; |
| | | } |
| | | } |
| | | |
| | | $mime_types = $mime_extensions = array(); |
| | | $regex = "/([\w\+\-\.\/]+)\t+([\w\s]+)/i"; |
| | | $regex = "/([\w\+\-\.\/]+)\s+([\w\s]+)/i"; |
| | | foreach((array)$lines as $line) { |
| | | // skip comments or mime types w/o any extensions |
| | | if ($line[0] == '#' || !preg_match($regex, $line, $matches)) |
| | |
| | | |
| | | // fallback to some well-known types most important for daily emails |
| | | if (empty($mime_types)) { |
| | | $mime_extensions = @include(RCUBE_CONFIG_DIR . '/mimetypes.php'); |
| | | $mime_extensions += array('gif' => 'image/gif', 'png' => 'image/png', 'jpg' => 'image/jpeg', 'jpeg' => 'image/jpeg', 'tif' => 'image/tiff'); |
| | | foreach (rcube::get_instance()->config->resolve_paths('mimetypes.php') as $fpath) { |
| | | $mime_extensions = array_merge($mime_extensions, (array) @include($fpath)); |
| | | } |
| | | |
| | | foreach ($mime_extensions as $ext => $mime) |
| | | foreach ($mime_extensions as $ext => $mime) { |
| | | $mime_types[$mime][] = $ext; |
| | | } |
| | | } |
| | | |
| | | // Add some known aliases that aren't included by some mime.types (#1488891) |
| | | // the order is important here so standard extensions have higher prio |
| | | $aliases = array( |
| | | 'image/gif' => array('gif'), |
| | | 'image/png' => array('png'), |
| | | 'image/x-png' => array('png'), |
| | | 'image/jpeg' => array('jpg', 'jpeg', 'jpe'), |
| | | 'image/jpg' => array('jpg', 'jpeg', 'jpe'), |
| | | 'image/pjpeg' => array('jpg', 'jpeg', 'jpe'), |
| | | 'image/tiff' => array('tif'), |
| | | 'message/rfc822' => array('eml'), |
| | | 'text/x-mail' => array('eml'), |
| | | ); |
| | | |
| | | foreach ($aliases as $mime => $exts) { |
| | | $mime_types[$mime] = array_unique(array_merge((array) $mime_types[$mime], $exts)); |
| | | |
| | | foreach ($exts as $ext) { |
| | | if (!isset($mime_extensions[$ext])) { |
| | | $mime_extensions[$ext] = $mime; |
| | | } |
| | | } |
| | | } |
| | | |
| | | return $mimetype ? $mime_types[$mimetype] : $mime_extensions; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Detect image type of the given binary data by checking magic numbers. |
| | |
| | | return 'image/' . $type; |
| | | } |
| | | |
| | | /** |
| | | * Try to fix invalid email addresses |
| | | */ |
| | | public static function fix_email($email) |
| | | { |
| | | $parts = rcube_utils::explode_quoted_string('@', $email); |
| | | foreach ($parts as $idx => $part) { |
| | | // remove redundant quoting (#1490040) |
| | | if ($part[0] == '"' && preg_match('/^"([a-zA-Z0-9._+=-]+)"$/', $part, $m)) { |
| | | $parts[$idx] = $m[1]; |
| | | } |
| | | } |
| | | |
| | | return implode('@', $parts); |
| | | } |
| | | } |