From 2965a981b7ec22866fbdf2d567d87e2d068d3617 Mon Sep 17 00:00:00 2001
From: Thomas Bruederli <thomas@roundcube.net>
Date: Fri, 31 Jul 2015 16:04:08 -0400
Subject: [PATCH] Allow to search and import missing PGP pubkeys from keyservers using Publickey.js

---
 program/steps/mail/compose.inc |  101 ++++++++++++++++++++++++++++++++++++++------------
 1 files changed, 77 insertions(+), 24 deletions(-)

diff --git a/program/steps/mail/compose.inc b/program/steps/mail/compose.inc
index 4c3ecfb..9e1b988 100644
--- a/program/steps/mail/compose.inc
+++ b/program/steps/mail/compose.inc
@@ -83,7 +83,10 @@
     'messagesaved', 'converting', 'editorwarning', 'searching', 'uploading', 'uploadingmany',
     'fileuploaderror', 'sendmessage', 'newresponse', 'responsename', 'responsetext', 'save',
     'savingresponse', 'restoresavedcomposedata', 'restoremessage', 'delete', 'restore', 'ignore',
-    'selectimportfile', 'messageissent');
+    'selectimportfile', 'messageissent', 'loadingdata', 'nopubkeyfor', 'nopubkeyforsender',
+    'encryptnoattachments','encryptedsendialog','searchpubkeyservers', 'importpubkeys',
+    'encryptpubkeysfound',  'search', 'close', 'import', 'keyid', 'keylength', 'keyexpired',
+    'keyrevoked');
 
 $OUTPUT->set_pagetitle($RCMAIL->gettext('compose'));
 
@@ -91,6 +94,7 @@
 $OUTPUT->set_env('session_id', session_id());
 $OUTPUT->set_env('mailbox', $RCMAIL->storage->get_folder());
 $OUTPUT->set_env('top_posting', intval($RCMAIL->config->get('reply_mode')) > 0);
+$OUTPUT->set_env('sig_below', $RCMAIL->config->get('sig_below'));
 $OUTPUT->set_env('recipients_separator', trim($RCMAIL->config->get('recipients_separator', ',')));
 $OUTPUT->set_env('save_localstorage', (bool)$RCMAIL->config->get('compose_save_localstorage'));
 $OUTPUT->set_env('is_sent', false);
@@ -448,6 +452,8 @@
 
         // #1486037: remove "mailto:" prefix
         $COMPOSE['param']['to'] = preg_replace('/^mailto:/i', '', $mailto[0]);
+        // #1490346: decode the recipient address
+        $COMPOSE['param']['to'] = urldecode($COMPOSE['param']['to']);
 
         // Supported case-insensitive tokens in mailto URL
         $url_tokens = array('to', 'cc', 'bcc', 'reply-to', 'in-reply-to', 'references', 'subject', 'body');
@@ -610,8 +616,10 @@
     if (count($MESSAGE->identities)) {
         $a_signatures = array();
         $identities   = array();
-        $separator    = intval($RCMAIL->config->get('reply_mode')) > 0
-            && ($compose_mode == RCUBE_COMPOSE_REPLY || $compose_mode == RCUBE_COMPOSE_FORWARD) ? '---' : '-- ';
+        $top_posting  = intval($RCMAIL->config->get('reply_mode')) > 0
+            && !$RCMAIL->config->get('sig_below')
+            && ($compose_mode == RCUBE_COMPOSE_REPLY || $compose_mode == RCUBE_COMPOSE_FORWARD);
+        $separator = $top_posting ? '---' : '-- ';
 
         $field_attrib['onchange'] = rcmail_output::JS_OBJECT_NAME.".change_identity(this)";
         $select_from = new html_select($field_attrib);
@@ -626,21 +634,17 @@
                 $text = $html = $sql_arr['signature'];
 
                 if ($sql_arr['html_signature']) {
-                    $h2t  = new rcube_html2text($sql_arr['signature'], false, true);
+                    $h2t  = new rcube_html2text($html, false, true);
                     $text = trim($h2t->get_text());
                 }
                 else {
-                    $html = htmlentities($html, ENT_NOQUOTES, RCUBE_CHARSET);
+                    $t2h  = new rcube_text2html($text, false);
+                    $html = $t2h->get_html();
                 }
 
                 if (!preg_match('/^--[ -]\r?\n/m', $text)) {
                     $text = $separator . "\n" . $text;
                     $html = $separator . "<br>" . $html;
-                }
-
-                if (!$sql_arr['html_signature']) {
-                    $t2h  = new rcube_text2html($sql_arr['signature'], false);
-                    $html = $t2h->get_html();
                 }
 
                 $a_signatures[$identity_id]['text'] = $text;
@@ -654,6 +658,8 @@
             if (!empty($sql_arr['bcc'])) {
                 $identities[$identity_id]['bcc'] = $sql_arr['bcc'];
             }
+
+            $identities[$identity_id]['email'] = $sql_arr['email'];
         }
 
         $out = $select_from->show($MESSAGE->compose['from']);
@@ -746,6 +752,21 @@
             }
 
             foreach ($MESSAGE->parts as $part) {
+                if ($part->realtype == 'multipart/encrypted') {
+                    // find the encrypted message payload part
+                    foreach ($MESSAGE->mime_parts as $mime_id => $mpart) {
+                        if ($mpart->mimetype == 'application/octet-stream' || !empty($mpart->filename)) {
+                            $RCMAIL->output->set_env('pgp_mime_message', array(
+                                '_mbox' => $RCMAIL->storage->get_folder(), '_uid' => $MESSAGE->uid, '_part' => $mime_id,
+                            ));
+                            $RCMAIL->output->set_env('compose_mode', $compose_mode);
+                            $MESSAGE->pgp_mime = true;
+                            break;
+                        }
+                    }
+                    continue;
+                }
+
                 // skip no-content and attachment parts (#1488557)
                 if ($part->type != 'content' || !$part->size || $MESSAGE->is_attachment($part)) {
                     continue;
@@ -768,14 +789,21 @@
         }
 
         // compose reply-body
-        if ($compose_mode == RCUBE_COMPOSE_REPLY)
+        if ($compose_mode == RCUBE_COMPOSE_REPLY) {
             $body = rcmail_create_reply_body($body, $isHtml);
+
+            if ($MESSAGE->pgp_mime) {
+                $RCMAIL->output->set_env('compose_reply_header', rcmail_get_reply_header($MESSAGE));
+            }
+        }
         // forward message body inline
-        else if ($compose_mode == RCUBE_COMPOSE_FORWARD)
+        else if ($compose_mode == RCUBE_COMPOSE_FORWARD) {
             $body = rcmail_create_forward_body($body, $isHtml);
+        }
         // load draft message body
-        else if ($compose_mode == RCUBE_COMPOSE_DRAFT || $compose_mode == RCUBE_COMPOSE_EDIT)
+        else if ($compose_mode == RCUBE_COMPOSE_DRAFT || $compose_mode == RCUBE_COMPOSE_EDIT) {
             $body = rcmail_create_draft_body($body, $isHtml);
+        }
     }
     else { // new message
         $isHtml = rcmail_compose_editor_mode();
@@ -805,7 +833,7 @@
 
 function rcmail_compose_part_body($part, $isHtml = false)
 {
-    global $RCMAIL, $MESSAGE, $LINE_LENGTH, $compose_mode;
+    global $RCMAIL, $COMPOSE, $MESSAGE, $LINE_LENGTH, $compose_mode;
 
     // Check if we have enough memory to handle the message in it
     // #1487424: we need up to 10x more memory than the body
@@ -819,6 +847,14 @@
     // message is cached but not exists (#1485443), or other error
     if ($body === false) {
         return '';
+    }
+
+    // register this part as pgp encrypted
+    if (strpos($body, 'BEGIN PGP MESSAGE') !== false) {
+        $MESSAGE->pgp_mime = true;
+        $RCMAIL->output->set_env('pgp_mime_message', array(
+            '_mbox' => $RCMAIL->storage->get_folder(), '_uid' => $MESSAGE->uid, '_part' => $part->mime_id,
+        ));
     }
 
     if ($isHtml) {
@@ -987,16 +1023,7 @@
 {
     global $RCMAIL, $MESSAGE, $LINE_LENGTH;
 
-    // build reply prefix
-    $from = array_pop(rcube_mime::decode_address_list($MESSAGE->get_header('from'), 1, false, $MESSAGE->headers->charset));
-    $prefix = $RCMAIL->gettext(array(
-        'name' => 'mailreplyintro',
-        'vars' => array(
-            'date'   => $RCMAIL->format_date($MESSAGE->headers->date, $RCMAIL->config->get('date_long')),
-            'sender' => $from['name'] ? $from['name'] : rcube_utils::idn_to_utf8($from['mailto']),
-        )
-    ));
-
+    $prefix = rcmail_get_reply_header($MESSAGE);
     $reply_mode = intval($RCMAIL->config->get('reply_mode'));
 
     if (!$bodyIsHtml) {
@@ -1040,6 +1067,19 @@
     return $prefix . $body . $suffix;
 }
 
+function rcmail_get_reply_header($message)
+{
+    global $RCMAIL;
+
+    $from = array_pop(rcube_mime::decode_address_list($message->get_header('from'), 1, false, $message->headers->charset));
+    return $RCMAIL->gettext(array(
+        'name' => 'mailreplyintro',
+        'vars' => array(
+            'date'   => $RCMAIL->format_date($message->headers->date, $RCMAIL->config->get('date_long')),
+            'sender' => $from['name'] ?: rcube_utils::idn_to_utf8($from['mailto']),
+        )
+    ));
+}
 
 function rcmail_create_forward_body($body, $bodyIsHtml)
 {
@@ -1167,6 +1207,10 @@
     $cid_map  = array();
     $messages = array();
 
+    if ($message->pgp_mime) {
+        return $cid_map;
+    }
+
     foreach ((array)$message->mime_parts as $pid => $part) {
         if ($part->disposition == 'attachment' || ($part->disposition == 'inline' && $bodyIsHtml) || $part->filename) {
             // skip parts that aren't valid attachments
@@ -1233,6 +1277,11 @@
     global $RCMAIL, $COMPOSE;
 
     $cid_map = array();
+
+    if ($message->pgp_mime) {
+        return $cid_map;
+    }
+
     foreach ((array)$message->mime_parts as $pid => $part) {
         if (($part->content_id || $part->content_location) && $part->filename) {
             if ($attachment = rcmail_save_attachment($message, $pid)) {
@@ -1260,6 +1309,10 @@
     $names   = array();
     $refs    = array();
 
+    if ($MESSAGE->pgp_mime) {
+        return;
+    }
+
     $loaded_attachments = array();
     foreach ((array)$COMPOSE['attachments'] as $attachment) {
         $loaded_attachments[$attachment['name'] . $attachment['mimetype']] = $attachment;

--
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