| | |
| | | |
| | | /* |
| | | +-----------------------------------------------------------------------+ |
| | | | 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 | |
| | |
| | | | | |
| | | | PURPOSE: | |
| | | | MIME message parsing utilities | |
| | | | | |
| | | +-----------------------------------------------------------------------+ |
| | | | Author: Thomas Bruederli <roundcube@gmail.com> | |
| | | | Author: Aleksander Machniak <alec@alec.pl> | |
| | | +-----------------------------------------------------------------------+ |
| | | */ |
| | | |
| | | |
| | | /** |
| | | * Class for parsing MIME messages |
| | |
| | | return $charset; |
| | | } |
| | | |
| | | return RCMAIL_CHARSET; |
| | | return RCUBE_CHARSET; |
| | | } |
| | | |
| | | |
| | |
| | | $q_level = 0; |
| | | |
| | | foreach ($text as $idx => $line) { |
| | | if ($line[0] == '>' && preg_match('/^(>+\s*)/', $line, $regs)) { |
| | | $q = strlen(str_replace(' ', '', $regs[0])); |
| | | $line = substr($line, strlen($regs[0])); |
| | | if ($line[0] == '>') { |
| | | // remove quote chars, store level in $q |
| | | $line = preg_replace('/^>+/', '', $line, -1, $q); |
| | | // 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[$idx]); |
| | |
| | | |
| | | foreach ($text as $idx => $line) { |
| | | if ($line != '-- ') { |
| | | if ($line[0] == '>' && preg_match('/^(>+ {0,1})+/', $line, $regs)) { |
| | | $level = substr_count($regs[0], '>'); |
| | | if ($line[0] == '>') { |
| | | // remove quote chars, store level in $level |
| | | $line = preg_replace('/^>+/', '', $line, -1, $level); |
| | | // 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) { |
| | |
| | | */ |
| | | public static function wordwrap($string, $width=75, $break="\n", $cut=false, $charset=null) |
| | | { |
| | | if ($charset && function_exists('mb_internal_encoding')) |
| | | if ($charset && function_exists('mb_internal_encoding')) { |
| | | mb_internal_encoding($charset); |
| | | } |
| | | |
| | | $para = preg_split('/\r?\n/', $string); |
| | | $string = ''; |
| | |
| | | while (count($para)) { |
| | | $line = array_shift($para); |
| | | if ($line[0] == '>') { |
| | | $string .= $line.$break; |
| | | $string .= $line . (count($para) ? $break : ''); |
| | | continue; |
| | | } |
| | | |
| | |
| | | while (count($list)) { |
| | | $line = array_shift($list); |
| | | $l = mb_strlen($line); |
| | | $newlen = $len + $l + ($len ? 1 : 0); |
| | | $space = $len ? 1 : 0; |
| | | $newlen = $len + $l + $space; |
| | | |
| | | if ($newlen <= $width) { |
| | | $string .= ($len ? ' ' : '').$line; |
| | | $len += (1 + $l); |
| | | $string .= ($space ? ' ' : '').$line; |
| | | $len += ($space + $l); |
| | | } |
| | | else { |
| | | if ($l > $width) { |
| | |
| | | } |
| | | } |
| | | |
| | | if ($charset && function_exists('mb_internal_encoding')) |
| | | mb_internal_encoding(RCMAIL_CHARSET); |
| | | if ($charset && function_exists('mb_internal_encoding')) { |
| | | mb_internal_encoding(RCUBE_CHARSET); |
| | | } |
| | | |
| | | return $string; |
| | | } |
| | |
| | | /** |
| | | * A method to guess the mime_type of an attachment. |
| | | * |
| | | * @param string $path Path to the file. |
| | | * @param string $path Path to the file or file contents |
| | | * @param string $name File name (with suffix) |
| | | * @param string $failover Mime type supplied for failover. |
| | | * @param string $is_stream Set to True if $path contains file body |
| | | * @param string $failover Mime type supplied for failover |
| | | * @param boolean $is_stream Set to True if $path contains file contents |
| | | * @param boolean $skip_suffix Set to True if the config/mimetypes.php mappig should be ignored |
| | | * |
| | | * @return string |
| | | * @author Till Klampaeckel <till@php.net> |
| | | * @see http://de2.php.net/manual/en/ref.fileinfo.php |
| | | * @see http://de2.php.net/mime_content_type |
| | | */ |
| | | public static function file_content_type($path, $name, $failover = 'application/octet-stream', $is_stream = false) |
| | | public static function file_content_type($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 = @include RCUBE_CONFIG_DIR . '/mimetypes.php'; |
| | | $mime_ext = $skip_suffix ? null : @include(RCUBE_CONFIG_DIR . '/mimetypes.php'); |
| | | |
| | | // use file name suffix with hard-coded mime-type map |
| | | if (is_array($mime_ext) && $name) { |
| | |
| | | |
| | | |
| | | /** |
| | | * 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 $mimetype is not given |
| | | */ |
| | | public static function get_mime_extensions($mimetype = null) |
| | | { |
| | | static $mime_types, $mime_extensions; |
| | | |
| | | // return cached data |
| | | if (is_array($mime_types)) { |
| | | return $mimetype ? $mime_types[$mimetype] : $mime_extensions; |
| | | } |
| | | |
| | | // load mapping file |
| | | $file_paths = array(); |
| | | |
| | | if ($mime_types = rcube::get_instance()->config->get('mime_types')) { |
| | | $file_paths[] = $mime_types; |
| | | } |
| | | |
| | | // try common locations |
| | | 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[] = '/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 | FILE_SKIP_EMPTY_LINES); |
| | | break; |
| | | } |
| | | } |
| | | |
| | | $mime_types = $mime_extensions = array(); |
| | | $regex = "/([\w\+\-\.\/]+)\t+([\w\s]+)/i"; |
| | | foreach((array)$lines as $line) { |
| | | // skip comments or mime types w/o any extensions |
| | | if ($line[0] == '#' || !preg_match($regex, $line, $matches)) |
| | | continue; |
| | | |
| | | $mime = $matches[1]; |
| | | foreach (explode(' ', $matches[2]) as $ext) { |
| | | $ext = trim($ext); |
| | | $mime_types[$mime][] = $ext; |
| | | $mime_extensions[$ext] = $mime; |
| | | } |
| | | } |
| | | |
| | | // fallback to some well-known types most important for daily emails |
| | | if (empty($mime_types)) { |
| | | $mime_extensions = @include(RCUBE_CONFIG_DIR . '/mimetypes.php'); |
| | | $mime_extensions += array('gif' => 'image/gif', 'png' => 'image/png', 'jpg' => 'image/jpeg', 'jpeg' => 'image/jpeg', 'tif' => 'image/tiff'); |
| | | |
| | | foreach ($mime_extensions as $ext => $mime) |
| | | $mime_types[$mime][] = $ext; |
| | | } |
| | | |
| | | return $mimetype ? $mime_types[$mimetype] : $mime_extensions; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Detect image type of the given binary data by checking magic numbers. |
| | | * |
| | | * @param string $data Binary file content |