From 3cc1afa1c2f30bfebb30146795e50172947b4b5f Mon Sep 17 00:00:00 2001 From: Aleksander Machniak Date: Sun, 29 Jun 2014 16:35:18 +0200 Subject: Support images in HTML signatures (#1488676) This enables image button and file browser in html editor for signatures --- program/steps/mail/attachments.inc | 63 +------------------------------- program/steps/settings/edit_identity.inc | 10 +++++ program/steps/settings/func.inc | 1 + program/steps/settings/save_identity.inc | 34 ++++++++++++++++- 4 files changed, 46 insertions(+), 62 deletions(-) (limited to 'program/steps') diff --git a/program/steps/mail/attachments.inc b/program/steps/mail/attachments.inc index fd122c5c1..5eaa655e3 100644 --- a/program/steps/mail/attachments.inc +++ b/program/steps/mail/attachments.inc @@ -38,7 +38,7 @@ if (!$COMPOSE) { // remove an attachment -if ($RCMAIL->action=='remove-attachment') { +if ($RCMAIL->action == 'remove-attachment') { $id = 'undefined'; if (preg_match('/^rcmfile(\w+)$/', $_POST['_file'], $regs)) { @@ -67,66 +67,7 @@ if ($RCMAIL->action == 'display-attachment') { $id = $regs[1]; } - if ($attachment = $COMPOSE['attachments'][$id]) { - $attachment = $RCMAIL->plugins->exec_hook('attachment_display', $attachment); - } - - if ($attachment['status']) { - if (empty($attachment['size'])) { - $attachment['size'] = $attachment['data'] ? strlen($attachment['data']) : @filesize($attachment['path']); - } - - // generate image thumbnail for file browser in HTML editor - if (!empty($_GET['_thumbnail'])) { - $temp_dir = $RCMAIL->config->get('temp_dir'); - $thumbnail_size = 80; - list(,$ext) = explode('/', $attachment['mimetype']); - $mimetype = $attachment['mimetype']; - $file_ident = $attachment['id'] . ':' . $attachment['mimetype'] . ':' . $attachment['size']; - $cache_basename = $temp_dir . '/' . md5($file_ident . ':' . $RCMAIL->user->ID . ':' . $thumbnail_size); - $cache_file = $cache_basename . '.' . $ext; - - // render thumbnail image if not done yet - if (!is_file($cache_file)) { - if (!$attachment['path']) { - $orig_name = $filename = $cache_basename . '.orig.' . $ext; - file_put_contents($orig_name, $attachment['data']); - } - else { - $filename = $attachment['path']; - } - - $image = new rcube_image($filename); - if ($imgtype = $image->resize($thumbnail_size, $cache_file, true)) { - $mimetype = 'image/' . $imgtype; - - if ($orig_name) { - unlink($orig_name); - } - } - } - - if (is_file($cache_file)) { - // cache for 1h - $RCMAIL->output->future_expire_header(3600); - header('Content-Type: ' . $mimetype); - header('Content-Length: ' . filesize($cache_file)); - - readfile($cache_file); - exit; - } - } - - header('Content-Type: ' . $attachment['mimetype']); - header('Content-Length: ' . $attachment['size']); - - if ($attachment['data']) { - echo $attachment['data']; - } - else if ($attachment['path']) { - readfile($attachment['path']); - } - } + $RCMAIL->display_uploaded_file($COMPOSE['attachments'][$id]); exit; } diff --git a/program/steps/settings/edit_identity.inc b/program/steps/settings/edit_identity.inc index 20f822027..34fe9798f 100644 --- a/program/steps/settings/edit_identity.inc +++ b/program/steps/settings/edit_identity.inc @@ -176,5 +176,15 @@ function rcube_identity_form($attrib) $out .= $form_end; + // add image upload form + $max_filesize = $RCMAIL->upload_init($RCMAIL->config->get('identity_image_size', 64) * 1024); + $upload_form_id = 'identityImageUpload'; + + $out .= ''; + + $RCMAIL->output->add_gui_object('uploadform', $upload_form_id); + return $out; } diff --git a/program/steps/settings/func.inc b/program/steps/settings/func.inc index 89103ee44..7ccbfa4a5 100644 --- a/program/steps/settings/func.inc +++ b/program/steps/settings/func.inc @@ -44,6 +44,7 @@ $RCMAIL->register_action_map(array( 'add-response' => 'edit_response.inc', 'save-response' => 'edit_response.inc', 'delete-response' => 'responses.inc', + 'upload-display' => 'upload.inc', )); diff --git a/program/steps/settings/save_identity.inc b/program/steps/settings/save_identity.inc index 77245b988..de0c84c91 100644 --- a/program/steps/settings/save_identity.inc +++ b/program/steps/settings/save_identity.inc @@ -79,8 +79,11 @@ foreach ($email_checks as $email) { } } -// XSS protection in HTML signature (#1489251) if (!empty($save_data['signature']) && !empty($save_data['html_signature'])) { + // replace uploaded images with data URIs + $save_data['signature'] = rcmail_attach_images($save_data['signature']); + + // XSS protection in HTML signature (#1489251) $save_data['signature'] = rcmail_wash_html($save_data['signature']); // clear POST data of signature, we want to use safe content @@ -190,6 +193,35 @@ else { } +/** + * Attach uploaded images into signature as data URIs + */ +function rcmail_attach_images($html) +{ + global $RCMAIL; + + $offset = 0; + $regexp = '/\s(poster|src)\s*=\s*[\'"]*\S+upload-display\S+file=rcmfile([0-9]+)[\s\'"]*/'; + + while (preg_match($regexp, $html, $matches, 0, $offset)) { + $file_id = $matches[2]; + $data_uri = ' '; + + if ($file_id && ($file = $_SESSION['identity']['files'][$file_id])) { + $file = $RCMAIL->plugins->exec_hook('attachment_get', $file); + + $data_uri .= 'src="data:' . $file['mimetype'] . ';base64,'; + $data_uri .= base64_encode($file['data'] ? $file['data'] : file_get_contents($file['path'])); + $data_uri .= '" '; + } + + $html = str_replace($matches[0], $data_uri, $html); + $offset += strlen($data_uri) - strlen($matches[0]) + 1; + } + + return $html; +} + /** * Sanity checks/cleanups on HTML body of signature */ -- cgit v1.2.3