From e237eec8468e99b65a9160a0a3f07529b92725e3 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Fri, 02 Dec 2011 04:58:03 -0500
Subject: [PATCH] - Applied fixes from trunk up to r5526

---
 program/steps/mail/sendmail.inc |  247 +++++++++++++++++++++++++++++--------------------
 1 files changed, 145 insertions(+), 102 deletions(-)

diff --git a/program/steps/mail/sendmail.inc b/program/steps/mail/sendmail.inc
index 54ded7a..64deb73 100644
--- a/program/steps/mail/sendmail.inc
+++ b/program/steps/mail/sendmail.inc
@@ -5,7 +5,7 @@
  | program/steps/mail/sendmail.inc                                       |
  |                                                                       |
  | This file is part of the Roundcube Webmail client                     |
- | Copyright (C) 2005-2010, Roundcube Dev. - Switzerland                 |
+ | Copyright (C) 2005-2011, The Roundcube Dev Team                       |
  | Licensed under the GNU GPL                                            |
  |                                                                       |
  | PURPOSE:                                                              |
@@ -26,9 +26,12 @@
 
 $savedraft = !empty($_POST['_draft']) ? true : false;
 
+$COMPOSE_ID = get_input_value('_id', RCUBE_INPUT_GPC);
+$COMPOSE    =& $_SESSION['compose_data_'.$COMPOSE_ID];
+
 /****** checks ********/
 
-if (!isset($_SESSION['compose']['id'])) {
+if (!isset($COMPOSE['id'])) {
   raise_error(array('code' => 500, 'type' => 'php',
     'file' => __FILE__, 'line' => __LINE__,
     'message' => "Invalid compose ID"), true, false);
@@ -70,7 +73,7 @@
 function rcmail_get_identity($id)
 {
   global $USER, $OUTPUT;
-  
+
   if ($sql_arr = $USER->get_identity($id)) {
     $out = $sql_arr;
     $out['mailto'] = $sql_arr['email'];
@@ -100,7 +103,7 @@
 
   // remove any null-byte characters before parsing
   $body = preg_replace('/\x00/', '', $body);
-  
+
   $searchstr = 'program/js/tiny_mce/plugins/emotions/img/';
   $offset = 0;
 
@@ -135,44 +138,47 @@
   return $body;
 }
 
-// parse email address input (and count addresses)
+/**
+ * Parse and cleanup email address input (and count addresses)
+ *
+ * @param string  Address input
+ * @param boolean Do count recipients (saved in global $RECIPIENT_COUNT)
+ * @param boolean Validate addresses (errors saved in global $EMAIL_FORMAT_ERROR)
+ * @return string Canonical recipients string separated by comma
+ */
 function rcmail_email_input_format($mailto, $count=false, $check=true)
 {
-  global $EMAIL_FORMAT_ERROR, $RECIPIENT_COUNT;
+  global $RCMAIL, $EMAIL_FORMAT_ERROR, $RECIPIENT_COUNT;
 
-  $regexp = array('/[,;]\s*[\r\n]+/', '/[\r\n]+/', '/[,;]\s*$/m', '/;/', '/(\S{1})(<\S+@\S+>)/U');
-  $replace = array(', ', ', ', '', ',', '\\1 \\2');
+  // simplified email regexp, supporting quoted local part
+  $email_regexp = '(\S+|("[^"]+"))@\S+';
+
+  $delim = trim($RCMAIL->config->get('recipients_separator', ','));
+  $regexp  = array("/[,;$delim]\s*[\r\n]+/", '/[\r\n]+/', "/[,;$delim]\s*\$/m", '/;/', '/(\S{1})(<'.$email_regexp.'>)/U');
+  $replace = array($delim.' ', ', ', '', $delim, '\\1 \\2');
 
   // replace new lines and strip ending ', ', make address input more valid
   $mailto = trim(preg_replace($regexp, $replace, $mailto));
 
   $result = array();
-  $items = rcube_explode_quoted_string(',', $mailto);
+  $items = rcube_explode_quoted_string($delim, $mailto);
 
   foreach($items as $item) {
     $item = trim($item);
     // address in brackets without name (do nothing)
-    if (preg_match('/^<\S+@\S+>$/', $item)) {
-      $item = idn_to_ascii($item);
-      $result[] = $item;
+    if (preg_match('/^<'.$email_regexp.'>$/', $item)) {
+      $item = rcube_idn_to_ascii(trim($item, '<>'));
+      $result[] = '<' . $item . '>';
     // address without brackets and without name (add brackets)
-    } else if (preg_match('/^\S+@\S+$/', $item)) {
-      $item = idn_to_ascii($item);
-      $result[] = '<'.$item.'>';
+    } else if (preg_match('/^'.$email_regexp.'$/', $item)) {
+      $item = rcube_idn_to_ascii($item);
+      $result[] = '<' . $item . '>';
     // address with name (handle name)
-    } else if (preg_match('/\S+@\S+>*$/', $item, $matches)) {
+    } else if (preg_match('/<*'.$email_regexp.'>*$/', $item, $matches)) {
       $address = $matches[0];
-      $name = str_replace($address, '', $item);
-      $name = trim($name);
-      if ($name && ($name[0] != '"' || $name[strlen($name)-1] != '"')
-          && preg_match('/[\(\)\<\>\\\.\[\]@,;:"]/', $name)) {
-	  $name = '"'.addcslashes($name, '"').'"';
-      }
-      $address = idn_to_ascii($address);
-      if (!preg_match('/^<\S+@\S+>$/', $address))
-        $address = '<'.$address.'>';
-
-      $result[] = $name.' '.$address;
+      $name = trim(str_replace($address, '', $item), '" ');
+      $address = rcube_idn_to_ascii(trim($address, '<>'));
+      $result[] = format_email_recipient($address, $name);
       $item = $address;
     } else if (trim($item)) {
       continue;
@@ -192,6 +198,7 @@
 
   return implode(', ', $result);
 }
+
 
 /****** compose message ********/
 
@@ -297,12 +304,12 @@
 $headers['To'] = $mailto;
 
 // additional recipients
-if (!empty($mailcc))
+if (!empty($mailcc)) {
   $headers['Cc'] = $mailcc;
-
-if (!empty($mailbcc))
+}
+if (!empty($mailbcc)) {
   $headers['Bcc'] = $mailbcc;
-
+}
 if (!empty($identity_arr['bcc'])) {
   $headers['Bcc'] = ($headers['Bcc'] ? $headers['Bcc'].', ' : '') . $identity_arr['bcc'];
   $RECIPIENT_COUNT ++;
@@ -318,36 +325,43 @@
 // add subject
 $headers['Subject'] = trim(get_input_value('_subject', RCUBE_INPUT_POST, TRUE, $message_charset));
 
-if (!empty($identity_arr['organization']))
+if (!empty($identity_arr['organization'])) {
   $headers['Organization'] = $identity_arr['organization'];
-
-if (!empty($_POST['_replyto']))
+}
+if (!empty($_POST['_replyto'])) {
   $headers['Reply-To'] = rcmail_email_input_format(get_input_value('_replyto', RCUBE_INPUT_POST, TRUE, $message_charset));
-else if (!empty($identity_arr['reply-to']))
+}
+else if (!empty($identity_arr['reply-to'])) {
   $headers['Reply-To'] = rcmail_email_input_format($identity_arr['reply-to'], false, true);
-
-if (!empty($_POST['_mailfollowupto']))
-  $headers['Mail-Followup-To'] = rcmail_email_input_format(get_input_value('_mailfollowupto', RCUBE_INPUT_POST, TRUE, $message_charset));
-if (!empty($_POST['_mailreplyto']))
-  $headers['Mail-Reply-To'] = rcmail_email_input_format(get_input_value('_mailreplyto', RCUBE_INPUT_POST, TRUE, $message_charset));
-
-if (!empty($_SESSION['compose']['reply_msgid']))
-  $headers['In-Reply-To'] = $_SESSION['compose']['reply_msgid'];
+}
+if (!empty($headers['Reply-To'])) {
+  $headers['Mail-Reply-To'] = $headers['Reply-To'];
+}
+if (!empty($_POST['_followupto'])) {
+  $headers['Mail-Followup-To'] = rcmail_email_input_format(get_input_value('_followupto', RCUBE_INPUT_POST, TRUE, $message_charset));
+}
+if (!empty($COMPOSE['reply_msgid'])) {
+  $headers['In-Reply-To'] = $COMPOSE['reply_msgid'];
+}
 
 // remember reply/forward UIDs in special headers
-if (!empty($_SESSION['compose']['reply_uid']) && $savedraft)
-  $headers['X-Draft-Info'] = array('type' => 'reply', 'uid' => $_SESSION['compose']['reply_uid']);
-else if (!empty($_SESSION['compose']['forward_uid']) && $savedraft)
-  $headers['X-Draft-Info'] = array('type' => 'forward', 'uid' => $_SESSION['compose']['forward_uid']);
+if (!empty($COMPOSE['reply_uid']) && $savedraft) {
+  $headers['X-Draft-Info'] = array('type' => 'reply', 'uid' => $COMPOSE['reply_uid']);
+}
+else if (!empty($COMPOSE['forward_uid']) && $savedraft) {
+  $headers['X-Draft-Info'] = array('type' => 'forward', 'uid' => $COMPOSE['forward_uid']);
+}
 
-if (!empty($_SESSION['compose']['references']))
-  $headers['References'] = $_SESSION['compose']['references'];
+if (!empty($COMPOSE['references'])) {
+  $headers['References'] = $COMPOSE['references'];
+}
 
 if (!empty($_POST['_priority'])) {
   $priority = intval($_POST['_priority']);
   $a_priorities = array(1=>'highest', 2=>'high', 4=>'low', 5=>'lowest');
-  if ($str_priority = $a_priorities[$priority])
+  if ($str_priority = $a_priorities[$priority]) {
     $headers['X-Priority'] = sprintf("%d (%s)", $priority, ucfirst($str_priority));
+  }
 }
 
 if (!empty($_POST['_receipt'])) {
@@ -359,11 +373,12 @@
 $headers['Message-ID'] = $message_id;
 $headers['X-Sender'] = $from;
 
-if (is_array($headers['X-Draft-Info']))
-  $headers['X-Draft-Info'] = rcmail_draftinfo_encode($headers['X-Draft-Info'] + array('folder' => $_SESSION['compose']['mailbox']));
-
-if (!empty($CONFIG['useragent']))
+if (is_array($headers['X-Draft-Info'])) {
+  $headers['X-Draft-Info'] = rcmail_draftinfo_encode($headers['X-Draft-Info'] + array('folder' => $COMPOSE['mailbox']));
+}
+if (!empty($CONFIG['useragent'])) {
   $headers['User-Agent'] = $CONFIG['useragent'];
+}
 
 // exec hook for header checking and manipulation
 $data = $RCMAIL->plugins->exec_hook('message_outgoing_headers', array('headers' => $headers));
@@ -390,7 +405,28 @@
     // add inline css for blockquotes
     $bstyle = 'padding-left:5px; border-left:#1010ff 2px solid; margin-left:5px; width:100%';
     $message_body = preg_replace('/<blockquote>/',
-	'<blockquote type="cite" style="'.$bstyle.'">', $message_body);
+      '<blockquote type="cite" style="'.$bstyle.'">', $message_body);
+
+    // append doctype and html/body wrappers
+    $message_body = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN">' .
+      "\r\n<html><body>\r\n" . $message_body;
+  }
+
+  // Check spelling before send
+  if ($CONFIG['spellcheck_before_send'] && $CONFIG['enable_spellcheck']
+    && empty($COMPOSE['spell_checked']) && !empty($message_body)
+  ) {
+    $spellchecker = new rcube_spellchecker(get_input_value('_lang', RCUBE_INPUT_GPC));
+    $spell_result = $spellchecker->check($message_body, $isHtml);
+
+    $COMPOSE['spell_checked'] = true;
+
+    if (!$spell_result) {
+      $result = $isHtml ? $spellchecker->get_words() : $spellchecker->get_xml();
+      $OUTPUT->show_message('mispellingsfound', 'error');
+      $OUTPUT->command('spellcheck_resume', $isHtml, $result);
+      $OUTPUT->send('iframe');
+    }
   }
 
   // generic footer for all messages
@@ -404,8 +440,11 @@
     if ($isHtml)
       $footer = '<pre>'.$footer.'</pre>';
   }
+
   if ($footer)
     $message_body .= "\r\n" . $footer;
+  if ($isHtml)
+    $message_body .= "\r\n</body></html>\r\n";
 }
 
 // set line length for body wrapping
@@ -419,12 +458,12 @@
 
 // Check if we have enough memory to handle the message in it
 // It's faster than using files, so we'll do this if we only can
-if (is_array($_SESSION['compose']['attachments']) && $CONFIG['smtp_server']
+if (is_array($COMPOSE['attachments']) && $CONFIG['smtp_server']
   && ($mem_limit = parse_bytes(ini_get('memory_limit'))))
 {
   $memory = function_exists('memory_get_usage') ? memory_get_usage() : 16*1024*1024; // safe value: 16MB
 
-  foreach ($_SESSION['compose']['attachments'] as $id => $attachment)
+  foreach ($COMPOSE['attachments'] as $id => $attachment)
     $memory += $attachment['size'];
 
   // Yeah, Net_SMTP needs up to 12x more memory, 1.33 is for base64
@@ -441,13 +480,16 @@
 
   $MAIL_MIME->setHTMLBody($plugin['body']);
 
+  // replace emoticons
+  $plugin['body'] = rcmail_replace_emoticons($plugin['body']);
+
   // add a plain text version of the e-mail as an alternative part.
   $h2t = new html2text($plugin['body'], false, true, 0);
   $plainTextPart = rc_wordwrap($h2t->get_text(), $LINE_LENGTH, "\r\n");
   $plainTextPart = wordwrap($plainTextPart, 998, "\r\n", true);
   if (!$plainTextPart) {
-    // empty message body breaks attachment handling in drafts 
-    $plainTextPart = "\r\n"; 
+    // empty message body breaks attachment handling in drafts
+    $plainTextPart = "\r\n";
   }
   else {
     // make sure all line endings are CRLF (#1486712)
@@ -485,9 +527,9 @@
 }
 
 // add stored attachments, if any
-if (is_array($_SESSION['compose']['attachments']))
+if (is_array($COMPOSE['attachments']))
 {
-  foreach ($_SESSION['compose']['attachments'] as $id => $attachment) {
+  foreach ($COMPOSE['attachments'] as $id => $attachment) {
     // This hook retrieves the attachment contents from the file storage backend
     $attachment = $RCMAIL->plugins->exec_hook('attachment_get', $attachment);
 
@@ -508,14 +550,15 @@
 
       // .eml attachments send inline
       $MAIL_MIME->addAttachment($file,
-        $ctype, 
+        $ctype,
         $attachment['name'],
         ($attachment['data'] ? false : true),
         ($ctype == 'message/rfc822' ? '8bit' : 'base64'),
         ($ctype == 'message/rfc822' ? 'inline' : 'attachment'),
         '', '', '',
         $CONFIG['mime_param_folding'] ? 'quoted-printable' : NULL,
-        $CONFIG['mime_param_folding'] == 2 ? 'quoted-printable' : NULL
+        $CONFIG['mime_param_folding'] == 2 ? 'quoted-printable' : NULL,
+        '', RCMAIL_CHARSET
       );
     }
   }
@@ -581,12 +624,12 @@
   // save message sent time
   if (!empty($CONFIG['sendmail_delay']))
     $RCMAIL->user->save_prefs(array('last_message_time' => time()));
-  
+
   // set replied/forwarded flag
-  if ($_SESSION['compose']['reply_uid'])
-    $IMAP->set_flag($_SESSION['compose']['reply_uid'], 'ANSWERED', $_SESSION['compose']['mailbox']);
-  else if ($_SESSION['compose']['forward_uid'])
-    $IMAP->set_flag($_SESSION['compose']['forward_uid'], 'FORWARDED', $_SESSION['compose']['mailbox']);
+  if ($COMPOSE['reply_uid'])
+    $IMAP->set_flag($COMPOSE['reply_uid'], 'ANSWERED', $COMPOSE['mailbox']);
+  else if ($COMPOSE['forward_uid'])
+    $IMAP->set_flag($COMPOSE['forward_uid'], 'FORWARDED', $COMPOSE['mailbox']);
 
 } // End of SMTP Delivery Block
 
@@ -594,11 +637,10 @@
 // Determine which folder to save message
 if ($savedraft)
   $store_target = $CONFIG['drafts_mbox'];
-else	
+else
   $store_target = isset($_POST['_store_target']) ? get_input_value('_store_target', RCUBE_INPUT_POST) : $CONFIG['sent_mbox'];
 
-if ($store_target)
-  {
+if ($store_target) {
   // check if folder is subscribed
   if ($IMAP->mailbox_exists($store_target, true))
     $store_folder = true;
@@ -610,11 +652,10 @@
 
   // append message to sent box
   if ($store_folder) {
-
     // message body in file
     if ($mailbody_file || $MAIL_MIME->getParam('delay_file_io')) {
       $headers = $MAIL_MIME->txtHeaders();
-      
+
       // file already created
       if ($mailbody_file)
         $msg = $mailbody_file;
@@ -623,67 +664,72 @@
         $mailbody_file = tempnam($temp_dir, 'rcmMsg');
         if (!PEAR::isError($msg = $MAIL_MIME->saveMessageBody($mailbody_file)))
           $msg = $mailbody_file;
-        }
       }
+    }
     else {
       $msg = $MAIL_MIME->getMessage();
       $headers = '';
-      }
+    }
 
     if (PEAR::isError($msg))
-      raise_error(array('code' => 600, 'type' => 'php',
+      raise_error(array('code' => 650, 'type' => 'php',
 	    'file' => __FILE__, 'line' => __LINE__,
             'message' => "Could not create message: ".$msg->getMessage()),
             TRUE, FALSE);
     else {
       $saved = $IMAP->save_message($store_target, $msg, $headers, $mailbody_file ? true : false);
-      }
+    }
 
     if ($mailbody_file) {
       unlink($mailbody_file);
       $mailbody_file = null;
-      }
+    }
 
     // raise error if saving failed
     if (!$saved) {
       raise_error(array('code' => 800, 'type' => 'imap',
 	    'file' => __FILE__, 'line' => __LINE__,
             'message' => "Could not save message in $store_target"), TRUE, FALSE);
-    
+
       if ($savedraft) {
         $OUTPUT->show_message('errorsaving', 'error');
         $OUTPUT->send('iframe');
-        }
       }
     }
+  }
 
-  if ($olddraftmessageid)
-    {
+  if ($olddraftmessageid) {
     // delete previous saved draft
+    // @TODO: use message UID (remember to check UIDVALIDITY) to skip this SEARCH
     $a_deleteid = $IMAP->search_once($CONFIG['drafts_mbox'],
         'HEADER Message-ID '.$olddraftmessageid, true);
-    $deleted = $IMAP->delete_message($a_deleteid, $CONFIG['drafts_mbox']);
 
-    // raise error if deletion of old draft failed
-    if (!$deleted)
-      raise_error(array('code' => 800, 'type' => 'imap',
-    		'file' => __FILE__, 'line' => __LINE__,
-                'message' => "Could not delete message from ".$CONFIG['drafts_mbox']), TRUE, FALSE);
+    if (!empty($a_deleteid)) {
+      $deleted = $IMAP->delete_message($a_deleteid, $CONFIG['drafts_mbox']);
+
+      // raise error if deletion of old draft failed
+      if (!$deleted)
+        raise_error(array('code' => 800, 'type' => 'imap',
+          'file' => __FILE__, 'line' => __LINE__,
+          'message' => "Could not delete message from ".$CONFIG['drafts_mbox']), TRUE, FALSE);
     }
   }
+}
 // remove temp file
 else if ($mailbody_file) {
   unlink($mailbody_file);
-  }
+}
 
 
-if ($savedraft)
-  {
+if ($savedraft) {
   $msgid = strtr($message_id, array('>' => '', '<' => ''));
-  
-  // remember new draft-uid
-  $draftuids = $IMAP->search_once($CONFIG['drafts_mbox'], 'HEADER Message-ID '.$msgid, true);
-  $_SESSION['compose']['param']['_draft_uid'] = $draftuids[0];
+
+  // remember new draft-uid ($saved could be an UID or TRUE here)
+  if (is_bool($saved)) {
+    $draftuids = $IMAP->search_once($CONFIG['drafts_mbox'], 'HEADER Message-ID '.$msgid, true);
+    $saved     = $draftuids[0];
+  }
+  $COMPOSE['param']['draft_uid'] = $saved;
 
   // display success
   $OUTPUT->show_message('messagesaved', 'confirmation');
@@ -696,16 +742,13 @@
   $OUTPUT->command('auto_save_start');
 
   $OUTPUT->send('iframe');
-  }
-else
-  {
-  rcmail_compose_cleanup();
+}
+else {
+  rcmail_compose_cleanup($COMPOSE_ID);
 
   if ($store_folder && !$saved)
     $OUTPUT->command('sent_successfully', 'error', rcube_label('errorsavingsent'));
   else
     $OUTPUT->command('sent_successfully', 'confirmation', rcube_label('messagesent'));
   $OUTPUT->send('iframe');
-  }
-
-
+}

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