Framework files moved to lib/Roundcube

1 files changed, 0 insertions, 713 deletions

diff --git a/program/include/rcube_mime.php b/program/include/rcube_mime.php
deleted file mode 100644
index 7ce7c90fe..000000000
--- a/program/include/rcube_mime.php
+++ /dev/null
@@ -1,713 +0,0 @@
-<?php
-
-/*
- +-----------------------------------------------------------------------+
- | 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                             |
- |                                                                       |
- | Licensed under the GNU General Public License version 3 or            |
- | any later version with exceptions for skins & plugins.                |
- | See the README file for a full license statement.                     |
- |                                                                       |
- | PURPOSE:                                                              |
- |   MIME message parsing utilities                                      |
- |                                                                       |
- +-----------------------------------------------------------------------+
- | Author: Thomas Bruederli <roundcube@gmail.com>                        |
- | Author: Aleksander Machniak <alec@alec.pl>                            |
- +-----------------------------------------------------------------------+
-*/
-
-
-/**
- * Class for parsing MIME messages
- *
- * @package    Framework
- * @subpackage Storage
- * @author     Thomas Bruederli <roundcube@gmail.com>
- * @author     Aleksander Machniak <alec@alec.pl>
- */
-class rcube_mime
-{
-    private static $default_charset;
-
-
-    /**
-     * Object constructor.
-     */
-    function __construct($default_charset = null)
-    {
-        self::$default_charset = $default_charset;
-    }
-
-
-    /**
-     * Returns message/object character set name
-     *
-     * @return string Characted set name
-     */
-    public static function get_charset()
-    {
-        if (self::$default_charset) {
-            return self::$default_charset;
-        }
-
-        if ($charset = rcube::get_instance()->config->get('default_charset')) {
-            return $charset;
-        }
-
-        return RCMAIL_CHARSET;
-    }
-
-
-    /**
-     * Parse the given raw message source and return a structure
-     * of rcube_message_part objects.
-     *
-     * It makes use of the PEAR:Mail_mimeDecode library
-     *
-     * @param string  The message source
-     * @return object rcube_message_part The message structure
-     */
-    public static function parse_message($raw_body)
-    {
-        $mime = new Mail_mimeDecode($raw_body);
-        $struct = $mime->decode(array('include_bodies' => true, 'decode_bodies' => true));
-        return self::structure_part($struct);
-    }
-
-
-    /**
-     * Recursive method to convert a Mail_mimeDecode part into a rcube_message_part object
-     *
-     * @param object  A message part struct
-     * @param int     Part count
-     * @param string  Parent MIME ID
-     *
-     * @return object rcube_message_part
-     */
-    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->ctype_parameters = $part->ctype_parameters;
-
-        if ($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 ? $struct->charset : self::get_charset();
-
-        // determine filename
-        if (($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->disposition = $part->disposition;
-
-        foreach ((array)$part->parts as $child_part) {
-            $struct->parts[] = self::structure_part($child_part, ++$count, $struct->mime_id);
-        }
-
-        return $struct;
-    }
-
-
-    /**
-     * Split an address list into a structured array list
-     *
-     * @param string  $input    Input string
-     * @param int     $max      List only this number of addresses
-     * @param boolean $decode   Decode address strings
-     * @param string  $fallback Fallback charset if none specified
-     *
-     * @return array  Indexed list of addresses
-     */
-    static function decode_address_list($input, $max = null, $decode = true, $fallback = null)
-    {
-        $a   = self::parse_address_list($input, $decode, $fallback);
-        $out = array();
-        $j   = 0;
-
-        // Special chars as defined by RFC 822 need to in quoted string (or escaped).
-        $special_chars = '[\(\)\<\>\\\.\[\]@,;:"]';
-
-        if (!is_array($a))
-            return $out;
-
-        foreach ($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;
-
-            $out[$j] = array(
-                'name'   => $name,
-                'mailto' => $address,
-                'string' => $string
-            );
-
-            if ($max && $j==$max)
-                break;
-        }
-
-        return $out;
-    }
-
-
-    /**
-     * Decode a message header value
-     *
-     * @param string  $input         Header value
-     * @param string  $fallback      Fallback charset if none specified
-     *
-     * @return string Decoded string
-     */
-    public static function decode_header($input, $fallback = null)
-    {
-        $str = self::decode_mime_string((string)$input, $fallback);
-
-        return $str;
-    }
-
-
-    /**
-     * Decode a mime-encoded string to internal charset
-     *
-     * @param string $input    Header value
-     * @param string $fallback Fallback charset if none specified
-     *
-     * @return string Decoded string
-     */
-    public static function decode_mime_string($input, $fallback = null)
-    {
-        $default_charset = !empty($fallback) ? $fallback : self::get_charset();
-
-        // rfc: all line breaks or other characters not found
-        // in the Base64 Alphabet must be ignored by decoding software
-        // delete all blanks between MIME-lines, differently we can
-        // receive unnecessary blanks and broken utf-8 symbols
-        $input = preg_replace("/\?=\s+=\?/", '?==?', $input);
-
-        // encoded-word regexp
-        $re = '/=\?([^?]+)\?([BbQq])\?([^\n]*?)\?=/';
-
-        // Find all RFC2047's encoded words
-        if (preg_match_all($re, $input, $matches, PREG_OFFSET_CAPTURE | PREG_SET_ORDER)) {
-            // Initialize variables
-            $tmp   = array();
-            $out   = '';
-            $start = 0;
-
-            foreach ($matches as $idx => $m) {
-                $pos      = $m[0][1];
-                $charset  = $m[1][0];
-                $encoding = $m[2][0];
-                $text     = $m[3][0];
-                $length   = strlen($m[0][0]);
-
-                // Append everything that is before the text to be decoded
-                if ($start != $pos) {
-                    $substr = substr($input, $start, $pos-$start);
-                    $out   .= rcube_charset::convert($substr, $default_charset);
-                    $start  = $pos;
-                }
-                $start += $length;
-
-                // Per RFC2047, each string part "MUST represent an integral number
-                // of characters . A multi-octet character may not be split across
-                // adjacent encoded-words." However, some mailers break this, so we
-                // try to handle characters spanned across parts anyway by iterating
-                // through and aggregating sequential encoded parts with the same
-                // character set and encoding, then perform the decoding on the
-                // aggregation as a whole.
-
-                $tmp[] = $text;
-                if ($next_match = $matches[$idx+1]) {
-                    if ($next_match[0][1] == $start
-                        && $next_match[1][0] == $charset
-                        && $next_match[2][0] == $encoding
-                    ) {
-                        continue;
-                    }
-                }
-
-                $count = count($tmp);
-                $text  = '';
-
-                // Decode and join encoded-word's chunks
-                if ($encoding == 'B' || $encoding == 'b') {
-                    // base64 must be decoded a segment at a time
-                    for ($i=0; $i<$count; $i++)
-                        $text .= base64_decode($tmp[$i]);
-                }
-                else { //if ($encoding == 'Q' || $encoding == 'q') {
-                    // quoted printable can be combined and processed at once
-                    for ($i=0; $i<$count; $i++)
-                        $text .= $tmp[$i];
-
-                    $text = str_replace('_', ' ', $text);
-                    $text = quoted_printable_decode($text);
-                }
-
-                $out .= rcube_charset::convert($text, $charset);
-                $tmp = array();
-            }
-
-            // add the last part of the input string
-            if ($start != strlen($input)) {
-                $out .= rcube_charset::convert(substr($input, $start), $default_charset);
-            }
-
-            // return the results
-            return $out;
-        }
-
-        // no encoding information, use fallback
-        return rcube_charset::convert($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, $encoding = '7bit')
-    {
-        switch (strtolower($encoding)) {
-        case 'quoted-printable':
-            return quoted_printable_decode($input);
-        case 'base64':
-            return base64_decode($input);
-        case 'x-uuencode':
-        case 'x-uue':
-        case 'uue':
-        case 'uuencode':
-            return convert_uudecode($input);
-        case '7bit':
-        default:
-            return $input;
-        }
-    }
-
-
-    /**
-     * Split RFC822 header string into an associative array
-     * @access private
-     */
-    public static function parse_headers($headers)
-    {
-        $a_headers = array();
-        $headers = preg_replace('/\r?\n(\t| )+/', ' ', $headers);
-        $lines = explode("\n", $headers);
-        $c = count($lines);
-
-        for ($i=0; $i<$c; $i++) {
-            if ($p = strpos($lines[$i], ': ')) {
-                $field = strtolower(substr($lines[$i], 0, $p));
-                $value = trim(substr($lines[$i], $p+1));
-                if (!empty($value))
-                    $a_headers[$field] = $value;
-            }
-        }
-
-        return $a_headers;
-    }
-
-
-    /**
-     * @access private
-     */
-    private static function parse_address_list($str, $decode = true, $fallback = null)
-    {
-        // remove any newlines and carriage returns before
-        $str = preg_replace('/\r?\n(\s|\t)?/', ' ', $str);
-
-        // extract list items, remove comments
-        $str = self::explode_header_string(',;', $str, true);
-        $result = array();
-
-        // simplified regexp, supporting quoted local part
-        $email_rx = '(\S+|("\s*(?:[^"\f\n\r\t\v\b\s]+\s*)+"))@\S+';
-
-        foreach ($str as $key => $val) {
-            $name    = '';
-            $address = '';
-            $val     = trim($val);
-
-            if (preg_match('/(.*)<('.$email_rx.')>$/', $val, $m)) {
-                $address = $m[2];
-                $name    = trim($m[1]);
-            }
-            else if (preg_match('/^('.$email_rx.')$/', $val, $m)) {
-                $address = $m[1];
-                $name    = '';
-            }
-            else {
-                $name = $val;
-            }
-
-            // dequote and/or decode name
-            if ($name) {
-                if ($name[0] == '"' && $name[strlen($name)-1] == '"') {
-                    $name = substr($name, 1, -1);
-                    $name = stripslashes($name);
-                }
-                if ($decode) {
-                    $name = self::decode_header($name, $fallback);
-                }
-            }
-
-            if (!$address && $name) {
-                $address = $name;
-            }
-
-            if ($address) {
-                $result[$key] = array('name' => $name, 'address' => $address);
-            }
-        }
-
-        return $result;
-    }
-
-
-    /**
-     * Explodes header (e.g. address-list) string into array of strings
-     * using specified separator characters with proper handling
-     * of quoted-strings and comments (RFC2822)
-     *
-     * @param string $separator       String containing separator characters
-     * @param string $str             Header string
-     * @param bool   $remove_comments Enable to remove comments
-     *
-     * @return array Header items
-     */
-    public static function explode_header_string($separator, $str, $remove_comments = false)
-    {
-        $length  = strlen($str);
-        $result  = array();
-        $quoted  = false;
-        $comment = 0;
-        $out     = '';
-
-        for ($i=0; $i<$length; $i++) {
-            // we're inside a quoted string
-            if ($quoted) {
-                if ($str[$i] == '"') {
-                    $quoted = false;
-                }
-                else if ($str[$i] == "\\") {
-                    if ($comment <= 0) {
-                        $out .= "\\";
-                    }
-                    $i++;
-                }
-            }
-            // we are inside a comment string
-            else if ($comment > 0) {
-                if ($str[$i] == ')') {
-                    $comment--;
-                }
-                else if ($str[$i] == '(') {
-                    $comment++;
-                }
-                else if ($str[$i] == "\\") {
-                    $i++;
-                }
-                continue;
-            }
-            // separator, add to result array
-            else if (strpos($separator, $str[$i]) !== false) {
-                if ($out) {
-                    $result[] = $out;
-                }
-                $out = '';
-                continue;
-            }
-            // start of quoted string
-            else if ($str[$i] == '"') {
-                $quoted = true;
-            }
-            // start of comment
-            else if ($remove_comments && $str[$i] == '(') {
-                $comment++;
-            }
-
-            if ($comment <= 0) {
-                $out .= $str[$i];
-            }
-        }
-
-        if ($out && $comment <= 0) {
-            $result[] = $out;
-        }
-
-        return $result;
-    }
-
-
-    /**
-     * Interpret a format=flowed message body according to RFC 2646
-     *
-     * @param string  $text Raw body formatted as flowed text
-     *
-     * @return string Interpreted text with unwrapped lines and stuffed space removed
-     */
-    public static function unfold_flowed($text)
-    {
-        $text = preg_split('/\r?\n/', $text);
-        $last = -1;
-        $q_level = 0;
-
-        foreach ($text as $idx => $line) {
-            if ($line[0] == '>' && preg_match('/^(>+\s*)/', $line, $regs)) {
-                $q = strlen(str_replace(' ', '', $regs[0]));
-                $line = substr($line, strlen($regs[0]));
-
-                if ($q == $q_level && $line
-                    && isset($text[$last])
-                    && $text[$last][strlen($text[$last])-1] == ' '
-                ) {
-                    $text[$last] .= $line;
-                    unset($text[$idx]);
-                }
-                else {
-                    $last = $idx;
-                }
-            }
-            else {
-                $q = 0;
-                if ($line == '-- ') {
-                    $last = $idx;
-                }
-                else {
-                    // remove space-stuffing
-                    $line = preg_replace('/^\s/', '', $line);
-
-                    if (isset($text[$last]) && $line
-                        && $text[$last] != '-- '
-                        && $text[$last][strlen($text[$last])-1] == ' '
-                    ) {
-                        $text[$last] .= $line;
-                        unset($text[$idx]);
-                    }
-                    else {
-                        $text[$idx] = $line;
-                        $last = $idx;
-                    }
-                }
-            }
-            $q_level = $q;
-        }
-
-        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 $charset Character encoding of $text
-     *
-     * @return string Wrapped text
-     */
-    public static function format_flowed($text, $length = 72, $charset=null)
-    {
-        $text = preg_split('/\r?\n/', $text);
-
-        foreach ($text as $idx => $line) {
-            if ($line != '-- ') {
-                if ($line[0] == '>' && preg_match('/^(>+ {0,1})+/', $line, $regs)) {
-                    $level  = substr_count($regs[0], '>');
-                    $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) {
-                    $line = self::wordwrap(rtrim($line), $length - 2, " \r\n", false, $charset);
-                    // space-stuffing
-                    $line = preg_replace('/(^|\r\n)(From| |>)/', '\\1 \\2', $line);
-                }
-
-                $text[$idx] = $line;
-            }
-        }
-
-        return implode("\r\n", $text);
-    }
-
-
-    /**
-     * Improved wordwrap function.
-     *
-     * @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 $string
-     *
-     * @return string Text
-     */
-    public static function wordwrap($string, $width=75, $break="\n", $cut=false, $charset=null)
-    {
-        if ($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;
-                continue;
-            }
-
-            $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 + $l);
-                }
-                else {
-                    if ($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;
-                            }
-                        }
-                        else {
-                            $string .= ($len ? $break : '').$line;
-                            if (count($list)) {
-                                $string .= $break;
-                            }
-                            $len = 0;
-                        }
-                    }
-                    else {
-                        $string .= $break.$line;
-                        $len = $l;
-                    }
-                }
-            }
-
-            if (count($para)) {
-                $string .= $break;
-            }
-        }
-
-        if ($charset && function_exists('mb_internal_encoding'))
-            mb_internal_encoding(RCMAIL_CHARSET);
-
-        return $string;
-    }
-
-
-    /**
-     * A method to guess the mime_type of an attachment.
-     *
-     * @param string $path      Path to the file.
-     * @param string $name      File name (with suffix)
-     * @param string $failover  Mime type supplied for failover.
-     * @param string $is_stream Set to True if $path contains file body
-     *
-     * @return string
-     * @author Till Klampaeckel <till@php.net>
-     * @see    http://de2.php.net/manual/en/ref.fileinfo.php
-     * @see    http://de2.php.net/mime_content_type
-     */
-    public static function file_content_type($path, $name, $failover = 'application/octet-stream', $is_stream = false)
-    {
-        $mime_type = null;
-        $mime_magic = rcube::get_instance()->config->get('mime_magic');
-        $mime_ext = @include RCMAIL_CONFIG_DIR . '/mimetypes.php';
-
-        // use file name suffix with hard-coded mime-type map
-        if (is_array($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, $mime_magic)) {
-                if ($is_stream)
-                    $mime_type = finfo_buffer($finfo, $path);
-                else
-                    $mime_type = finfo_file($finfo, $path);
-                finfo_close($finfo);
-            }
-        }
-
-        // try PHP's mime_content_type
-        if (!$mime_type && !$is_stream && function_exists('mime_content_type')) {
-            $mime_type = @mime_content_type($path);
-        }
-
-        // fall back to user-submitted string
-        if (!$mime_type) {
-            $mime_type = $failover;
-        }
-        else {
-            // Sometimes (PHP-5.3?) content-type contains charset definition,
-            // Remove it (#1487122) also "charset=binary" is useless
-            $mime_type = array_shift(preg_split('/[; ]/', $mime_type));
-        }
-
-        return $mime_type;
-    }
-
-
-    /**
-     * Detect image type of the given binary data by checking magic numbers.
-     *
-     * @param string $data  Binary file content
-     *
-     * @return string Detected mime-type or jpeg as fallback
-     */
-    public static function image_content_type($data)
-    {
-        $type = 'jpeg';
-        if      (preg_match('/^\x89\x50\x4E\x47/', $data)) $type = 'png';
-        else if (preg_match('/^\x47\x49\x46\x38/', $data)) $type = 'gif';
-        else if (preg_match('/^\x00\x00\x01\x00/', $data)) $type = 'ico';
-    //  else if (preg_match('/^\xFF\xD8\xFF\xE0/', $data)) $type = 'jpeg';
-
-        return 'image/' . $type;
-    }
-
-}