From 9870dac30de1b8d1bdeab57af3eeb7c89b21ef76 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Sat, 14 Apr 2012 02:35:52 -0400
Subject: [PATCH] - Make some methods public (#1488428)

---
 program/include/rcube_message.php |  242 ++++++++++++++++++++---------------------------
 1 files changed, 104 insertions(+), 138 deletions(-)

diff --git a/program/include/rcube_message.php b/program/include/rcube_message.php
index a8c51cc..ee17fcd 100644
--- a/program/include/rcube_message.php
+++ b/program/include/rcube_message.php
@@ -6,7 +6,10 @@
  |                                                                       |
  | This file is part of the Roundcube Webmail client                     |
  | Copyright (C) 2008-2010, The Roundcube Dev Team                       |
- | Licensed under the GNU GPL                                            |
+ |                                                                       |
+ | 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:                                                              |
  |   Logical representation of a mail message with all its data          |
@@ -37,18 +40,24 @@
     private $app;
 
     /**
-     * Instance of imap class
+     * Instance of storage class
      *
-     * @var rcube_imap
+     * @var rcube_storage
      */
-    private $imap;
+    private $storage;
+
+    /**
+     * Instance of mime class
+     *
+     * @var rcube_mime
+     */
+    private $mime;
     private $opt = array();
     private $inline_parts = array();
     private $parse_alternative = false;
 
     public $uid = null;
     public $headers;
-    public $structure;
     public $parts = array();
     public $mime_parts = array();
     public $attachments = array();
@@ -64,42 +73,41 @@
      *
      * @param string $uid The message UID.
      *
-     * @uses rcmail::get_instance()
-     * @uses rcube_imap::decode_mime_string()
-     * @uses self::set_safe()
-     *
-     * @see self::$app, self::$imap, self::$opt, self::$structure
+     * @see self::$app, self::$storage, self::$opt, self::$parts
      */
     function __construct($uid)
     {
-        $this->app = rcmail::get_instance();
-        $this->imap = $this->app->imap;
-        $this->imap->get_all_headers = true;
+        $this->uid  = $uid;
+        $this->app  = rcube::get_instance();
+        $this->storage = $this->app->get_storage();
+        $this->storage->set_options(array('all_headers' => true));
 
-        $this->uid = $uid;
-        $this->headers = $this->imap->get_headers($uid, NULL, true, true);
+        $this->headers = $this->storage->get_message($uid);
 
         if (!$this->headers)
             return;
 
-        $this->subject = rcube_imap::decode_mime_string(
-            $this->headers->subject, $this->headers->charset);
-        list(, $this->sender) = each($this->imap->decode_address_list($this->headers->from));
+        $this->mime = new rcube_mime($this->headers->charset);
+
+        $this->subject = $this->mime->decode_mime_string($this->headers->subject);
+        list(, $this->sender) = each($this->mime->decode_address_list($this->headers->from, 1));
 
         $this->set_safe((intval($_GET['_safe']) || $_SESSION['safe_messages'][$uid]));
         $this->opt = array(
             'safe' => $this->is_safe,
             'prefer_html' => $this->app->config->get('prefer_html'),
-            'get_url' => rcmail_url('get', array(
-                '_mbox' => $this->imap->get_mailbox_name(), '_uid' => $uid))
+            'get_url' => $this->app->url(array(
+                'action' => 'get',
+                'mbox'   => $this->storage->get_folder(),
+                'uid'    => $uid))
         );
 
-        if ($this->structure = $this->imap->get_structure($uid, $this->headers->body_structure)) {
-            $this->get_mime_numbers($this->structure);
-            $this->parse_structure($this->structure);
+        if (!empty($this->headers->structure)) {
+            $this->get_mime_numbers($this->headers->structure);
+            $this->parse_structure($this->headers->structure);
         }
         else {
-            $this->body = $this->imap->get_body($uid);
+            $this->body = $this->storage->get_body($uid);
         }
 
         // notify plugins and let them analyze this structured message object
@@ -116,12 +124,15 @@
      */
     public function get_header($name, $raw = false)
     {
+        if (empty($this->headers))
+            return null;
+
         if ($this->headers->$name)
             $value = $this->headers->$name;
         else if ($this->headers->others[$name])
             $value = $this->headers->others[$name];
 
-        return $raw ? $value : $this->imap->decode_header($value);
+        return $raw ? $value : $this->mime->decode_header($value);
     }
 
 
@@ -143,10 +154,10 @@
      * @param string $mime_id Part MIME-ID
      * @return string URL or false if part does not exist
      */
-    public function get_part_url($mime_id)
+    public function get_part_url($mime_id, $embed = false)
     {
         if ($this->mime_parts[$mime_id])
-            return $this->opt['get_url'] . '&_part=' . $mime_id;
+            return $this->opt['get_url'] . '&_part=' . $mime_id . ($embed ? '&_embed=1' : '');
         else
             return false;
     }
@@ -155,22 +166,24 @@
     /**
      * Get content of a specific part of this message
      *
-     * @param string $mime_id Part MIME-ID
-     * @param resource $fp File pointer to save the message part
+     * @param string   $mime_id           Part MIME-ID
+     * @param resource $fp File           pointer to save the message part
+     * @param boolean  $skip_charset_conv Disables charset conversion
+     *
      * @return string Part content
      */
-    public function get_part_content($mime_id, $fp=NULL)
+    public function get_part_content($mime_id, $fp = null, $skip_charset_conv = false)
     {
         if ($part = $this->mime_parts[$mime_id]) {
             // stored in message structure (winmail/inline-uuencode)
-            if ($part->encoding == 'stream') {
+            if (!empty($part->body) || $part->encoding == 'stream') {
                 if ($fp) {
                     fwrite($fp, $part->body);
                 }
                 return $fp ? true : $part->body;
             }
             // get from IMAP
-            return $this->imap->get_message_part($this->uid, $mime_id, $part, NULL, $fp);
+            return $this->storage->get_message_part($this->uid, $mime_id, $part, NULL, $fp, $skip_charset_conv);
         } else
             return null;
     }
@@ -179,15 +192,36 @@
     /**
      * Determine if the message contains a HTML part
      *
+     * @param bool $recursive Enables checking in all levels of the structure
+     *
      * @return bool True if a HTML is available, False if not
      */
-    function has_html_part()
+    function has_html_part($recursive = true)
     {
         // check all message parts
-        foreach ($this->parts as $pid => $part) {
-            $mimetype = strtolower($part->ctype_primary . '/' . $part->ctype_secondary);
-            if ($mimetype == 'text/html')
+        foreach ($this->parts as $part) {
+            if ($part->mimetype == 'text/html') {
+                // Level check, we'll skip e.g. HTML attachments
+                if (!$recursive) {
+                    $level = explode('.', $part->mime_id);
+
+                    // Level too high
+                    if (count($level) > 2) {
+                        continue;
+                    }
+
+                    // HTML part can be on the lower level, if not...
+                    if (count($level) > 1) {
+                        // It can be an alternative or related message part
+                        $parent = $this->mime_parts[0];
+                        if ($parent->mimetype != 'multipart/alternative' && $parent->mimetype != 'multipart/related') {
+                            continue;
+                        }
+                    }
+                }
+
                 return true;
+            }
         }
 
         return false;
@@ -202,10 +236,9 @@
     function first_html_part()
     {
         // check all message parts
-        foreach ($this->mime_parts as $mime_id => $part) {
-            $mimetype = strtolower($part->ctype_primary . '/' . $part->ctype_secondary);
-            if ($mimetype == 'text/html') {
-                return $this->imap->get_message_part($this->uid, $mime_id, $part);
+        foreach ($this->mime_parts as $pid => $part) {
+            if ($part->mimetype == 'text/html') {
+                return $this->get_part_content($pid);
             }
         }
     }
@@ -225,13 +258,11 @@
 
         // check all message parts
         foreach ($this->mime_parts as $mime_id => $part) {
-            $mimetype = $part->ctype_primary . '/' . $part->ctype_secondary;
-
-            if ($mimetype == 'text/plain') {
-                return $this->imap->get_message_part($this->uid, $mime_id, $part);
+            if ($part->mimetype == 'text/plain') {
+                return $this->get_part_content($mime_id);
             }
-            else if ($mimetype == 'text/html') {
-                $out = $this->imap->get_message_part($this->uid, $mime_id, $part);
+            else if ($part->mimetype == 'text/html') {
+                $out = $this->get_part_content($mime_id);
 
                 // remove special chars encoding
                 $trans = array_flip(get_html_translation_table(HTML_ENTITIES));
@@ -249,7 +280,7 @@
 
 
     /**
-     * Raad the message structure returend by the IMAP server
+     * Read the message structure returend by the IMAP server
      * and build flat lists of content parts and attachments
      *
      * @param rcube_message_part $structure Message structure node
@@ -286,7 +317,7 @@
         if ($message_ctype_primary == 'text' && !$recursive) {
             $structure->type = 'content';
             $this->parts[] = &$structure;
-            
+
             // Parse simple (plain text) message body
             if ($message_ctype_secondary == 'plain')
                 foreach ((array)$this->uu_decode($structure) as $uupart) {
@@ -299,14 +330,16 @@
             $structure->type = 'content';
             $this->parts[] = &$structure;
         }
-        // message contains alternative parts
-        else if ($mimetype == 'multipart/alternative' && is_array($structure->parts)) {
+        // message contains (more than one!) alternative parts
+        else if ($mimetype == 'multipart/alternative'
+            && is_array($structure->parts) && count($structure->parts) > 1
+        ) {
             // get html/plaintext parts
             $plain_part = $html_part = $print_part = $related_part = null;
 
             foreach ($structure->parts as $p => $sub_part) {
                 $sub_mimetype = $sub_part->mimetype;
-        
+
                 // check if sub part is
                 if ($sub_mimetype == 'text/plain')
                     $plain_part = $p;
@@ -323,7 +356,7 @@
                 $this->parse_alternative = true;
                 $this->parse_structure($structure->parts[$related_part], true);
                 $this->parse_alternative = false;
-        
+
                 // if plain part was found, we should unset it if html is preferred
                 if ($this->opt['prefer_html'] && count($this->parts))
                     $plain_part = null;
@@ -351,7 +384,8 @@
                 $c->type            = 'content';
                 $c->ctype_primary   = 'text';
                 $c->ctype_secondary = 'plain';
-                $c->body            = rcube_label('htmlmessage');
+                $c->mimetype        = 'text/plain';
+                $c->realtype        = 'text/html';
 
                 $this->parts[] = $c;
             }
@@ -359,7 +393,6 @@
             // add html part as attachment
             if ($html_part !== null && $structure->parts[$html_part] !== $print_part) {
                 $html_part = &$structure->parts[$html_part];
-                $html_part->filename = rcube_label('htmlmessage');
                 $html_part->mimetype = 'text/html';
 
                 $this->attachments[] = $html_part;
@@ -371,8 +404,10 @@
             $p->type            = 'content';
             $p->ctype_primary   = 'text';
             $p->ctype_secondary = 'plain';
-            $p->body            = rcube_label('encryptedmessage');
-            $p->size            = strlen($p->body);
+            $p->mimetype        = 'text/plain';
+            $p->realtype        = 'multipart/encrypted';
+
+            $this->parts[] = $p;
         }
         // message contains multiple parts
         else if (is_array($structure->parts) && !empty($structure->parts)) {
@@ -432,7 +467,7 @@
                         $this->attachments[] = $mail_part;
                 }
                 // part message/*
-                else if ($primary_type=='message') {
+                else if ($primary_type == 'message') {
                     $this->parse_structure($mail_part, true);
 
                     // list as attachment as well (mostly .eml)
@@ -496,6 +531,10 @@
                         $this->attachments[] = $mail_part;
                     }
                 }
+                // attachment part as message/rfc822 (#1488026)
+                else if ($mail_part->mimetype == 'message/rfc822') {
+                    $this->parse_structure($mail_part);
+                }
             }
 
             // if this was a related part try to resolve references
@@ -504,7 +543,7 @@
                 $img_regexp = '/^image\/(gif|jpe?g|png|tiff|bmp|svg)/';
 
                 foreach ($this->inline_parts as $inline_object) {
-                    $part_url = $this->get_part_url($inline_object->mime_id);
+                    $part_url = $this->get_part_url($inline_object->mime_id, true);
                     if ($inline_object->content_id)
                         $a_replaces['cid:'.$inline_object->content_id] = $part_url;
                     if ($inline_object->content_location) {
@@ -576,7 +615,7 @@
     {
         // @TODO: attachment may be huge, hadle it via file
         if (!isset($part->body))
-            $part->body = $this->imap->get_message_part($this->uid, $part->mime_id, $part);
+            $part->body = $this->storage->get_message_part($this->uid, $part->mime_id, $part);
 
         $parts = array();
         $tnef = new tnef_decoder;
@@ -612,7 +651,7 @@
     {
         // @TODO: messages may be huge, hadle body via file
         if (!isset($part->body))
-            $part->body = $this->imap->get_message_part($this->uid, $part->mime_id, $part);
+            $part->body = $this->storage->get_message_part($this->uid, $part->mime_id, $part);
 
         $parts = array();
         // FIXME: line length is max.65?
@@ -636,7 +675,7 @@
                 $uupart->size     = strlen($uupart->body);
                 $uupart->mime_id  = 'uu.' . $part->mime_id . '.' . $pid;
 
-                $ctype = rc_mime_content_type($uupart->body, $uupart->filename, 'application/octet-stream', true);
+                $ctype = rcube_mime::content_type($uupart->body, $uupart->filename, 'application/octet-stream', true);
                 $uupart->mimetype = $ctype;
                 list($uupart->ctype_primary, $uupart->ctype_secondary) = explode('/', $ctype);
 
@@ -650,90 +689,17 @@
 
 
     /**
-     * Interpret a format=flowed message body according to RFC 2646
-     *
-     * @param string  $text Raw body formatted as flowed text
-     * @return string Interpreted text with unwrapped lines and stuffed space removed
+     * Deprecated methods (to be removed)
      */
+
     public static function unfold_flowed($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", $text);
+        return rcube_mime::unfold_flowed($text);
     }
 
-
-    /**
-     * Wrap the given text to comply with RFC 2646
-     *
-     * @param string $text Text to wrap
-     * @param int $length Length
-     * @return string Wrapped text
-     */
     public static function format_flowed($text, $length = 72)
     {
-        $text = preg_split('/\r?\n/', $text);
-
-        foreach ($text as $idx => $line) {
-            if ($line != '-- ') {
-                if ($line[0] == '>' && preg_match('/^(>+)/', $line, $regs)) {
-                    $prefix = $regs[0];
-                    $level = strlen($prefix);
-                    $line  = rtrim(substr($line, $level));
-                    $line  = $prefix . rc_wordwrap($line, $length - $level - 2, " \r\n$prefix ");
-                }
-                else if ($line) {
-                    $line = ' ' . rc_wordwrap(rtrim($line), $length - 2, " \r\n ");
-                }
-
-                $text[$idx] = $line;
-            }
-        }
-
-        return implode("\r\n", $text);
+        return rcube_mime::format_flowed($text, $length);
     }
 
 }

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