From a63f14ec4045e82f47b237663bcf09939a0eadc5 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Sat, 29 Aug 2015 01:52:57 -0400
Subject: [PATCH] Emoticons-related code refactoring

---
 program/steps/mail/sendmail.inc |  118 +++++++++++++++++++---------------------------------------
 1 files changed, 39 insertions(+), 79 deletions(-)

diff --git a/program/steps/mail/sendmail.inc b/program/steps/mail/sendmail.inc
index 9a8ecba..7b74e88 100644
--- a/program/steps/mail/sendmail.inc
+++ b/program/steps/mail/sendmail.inc
@@ -297,16 +297,22 @@
 
         $message_body = preg_replace(
             array(
+                // remove empty signature div
+                '/<div id="_rc_sig">(&nbsp;)?<\/div>[\s\r\n]*$/',
                 // remove signature's div ID
                 '/\s*id="_rc_sig"/',
                 // add inline css for blockquotes and container
                 '/<blockquote>/',
-                '/<div class="pre">/'
+                '/<div class="pre">/',
+                // convert TinyMCE's new-line sequences (#1490463)
+                '/<p>&nbsp;<\/p>/',
             ),
             array(
                 '',
+                '',
                 '<blockquote type="cite" style="'.$b_style.'">',
-                '<div class="pre" style="'.$pre_style.'">'
+                '<div class="pre" style="'.$pre_style.'">',
+                '<p><br /></p>',
             ),
             $message_body);
     }
@@ -392,12 +398,8 @@
 
     $MAIL_MIME->setHTMLBody($plugin['body']);
 
-    // replace emoticons
-    $plugin['body'] = $RCMAIL->replace_emoticons($plugin['body']);
-
-    // add a plain text version of the e-mail as an alternative part.
-    $h2t = new rcube_html2text($plugin['body'], false, true, 0, $message_charset);
-    $plainTextPart = rcube_mime::wordwrap($h2t->get_text(), $LINE_LENGTH, "\r\n", false, $message_charset);
+    $plainTextPart = $RCMAIL->html2text($plugin['body'], array('width' => 0, 'charset' => $message_charset));
+    $plainTextPart = rcube_mime::wordwrap($plainTextPart, $LINE_LENGTH, "\r\n", false, $message_charset);
     $plainTextPart = wordwrap($plainTextPart, 998, "\r\n", true);
 
     // make sure all line endings are CRLF (#1486712)
@@ -406,11 +408,8 @@
     $plugin = $RCMAIL->plugins->exec_hook('message_outgoing_body',
         array('body' => $plainTextPart, 'type' => 'alternative', 'message' => $MAIL_MIME));
 
+    // add a plain text version of the e-mail as an alternative part.
     $MAIL_MIME->setTXTBody($plugin['body']);
-
-    // look for "emoticon" images from TinyMCE and change their src paths to
-    // be file paths on the server instead of URL paths.
-    rcmail_fix_emoticon_paths($MAIL_MIME);
 
     // Extract image Data URIs into message attachments (#1488502)
     rcmail_extract_inline_images($MAIL_MIME, $from);
@@ -640,24 +639,24 @@
             $OUTPUT->send('iframe');
         }
     }
-
-    // delete previous saved draft
-    if ($saved && ($old_id = rcube_utils::get_input_value('_draft_saveid', rcube_utils::INPUT_POST))) {
-        $deleted = $RCMAIL->storage->delete_message($old_id, $drafts_mbox);
-
-        // raise error if deletion of old draft failed
-        if (!$deleted) {
-            rcube::raise_error(array('code' => 800, 'type' => 'imap',
-                'file' => __FILE__, 'line' => __LINE__,
-                'message' => "Could not delete message from $drafts_mbox"), true, false);
-        }
-    }
 }
 // remove temp file
 else if ($mailbody_file) {
     unlink($mailbody_file);
 }
 
+// delete previous saved draft
+$old_id = rcube_utils::get_input_value('_draft_saveid', rcube_utils::INPUT_POST);
+if ($old_id && ($sent || $saved)) {
+    $deleted = $RCMAIL->storage->delete_message($old_id, $drafts_mbox);
+
+    // raise error if deletion of old draft failed
+    if (!$deleted) {
+        rcube::raise_error(array('code' => 800, 'type' => 'imap',
+            'file' => __FILE__, 'line' => __LINE__,
+            'message' => "Could not delete message from $drafts_mbox"), true, false);
+    }
+}
 
 if ($savedraft) {
     // remember new draft-uid ($saved could be an UID or true/false here)
@@ -757,61 +756,6 @@
     }
 
     return false;
-}
-
-/**
- * go from this:
- * <img src="http[s]://.../tinymce/plugins/emoticons/img/smiley-cool.gif" border="0" alt="Cool" title="Cool" />
- *
- * to this:
- *
- * <img src="/path/on/server/.../tinymce/plugins/emoticons/img/smiley-cool.gif" border="0" alt="Cool" title="Cool" />
- */
-function rcmail_fix_emoticon_paths($mime_message)
-{
-    global $RCMAIL;
-
-    $body = $mime_message->getHTMLBody();
-
-    // remove any null-byte characters before parsing
-    $body = preg_replace('/\x00/', '', $body);
-
-    $searchstr  = 'program/js/tinymce/plugins/emoticons/img/';
-    $assets_dir = $RCMAIL->config->get('assets_dir');
-    $path       = ($assets_dir ?: INSTALL_PATH) . '/' . $searchstr;
-    $offset     = 0;
-
-    // keep track of added images, so they're only added once
-    $included_images = array();
-
-    if (preg_match_all('# src=[\'"]([^\'"]+)#', $body, $matches, PREG_OFFSET_CAPTURE)) {
-        foreach ($matches[1] as $m) {
-            // find emoticon image tags
-            if (preg_match('#'.$searchstr.'(.*)$#', $m[0], $imatches)) {
-                $image_name = $imatches[1];
-
-                // sanitize image name so resulting attachment doesn't leave images dir
-                $image_name = preg_replace('/[^a-zA-Z0-9_\.\-]/i', '', $image_name);
-                $img_file   = $path . $image_name;
-
-                if (!in_array($image_name, $included_images)) {
-                    // add the image to the MIME message
-                    $res = $mime_message->addHTMLImage($img_file, 'image/gif', '', true, $image_name);
-                    if (is_a($res, 'PEAR_Error')) {
-                        $RCMAIL->output->show_message("emoticonerror", 'error');
-                        continue;
-                    }
-
-                    array_push($included_images, $image_name);
-                }
-
-                $body    = substr_replace($body, $img_file, $m[1] + $offset, strlen($m[0]));
-                $offset += strlen($img_file) - strlen($m[0]);
-            }
-        }
-    }
-
-    $mime_message->setHTMLBody($body);
 }
 
 /**
@@ -958,3 +902,19 @@
 
     return false;
 }
+
+/**
+ * clear message composing settings
+ */
+function rcmail_compose_cleanup($id)
+{
+    if (!isset($_SESSION['compose_data_'.$id])) {
+        return;
+    }
+
+    $rcmail = rcmail::get_instance();
+    $rcmail->plugins->exec_hook('attachments_cleanup', array('group' => $id));
+    $rcmail->session->remove('compose_data_'.$id);
+
+    $_SESSION['last_compose_session'] = $id;
+}

--
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