Fix blocked.gif image usage with assets_dir set

Aleksander Machniak

2015-01-12 c6efcf5e6d11a0f236daff3aa3bd6532c77726d3

 program/steps/mail/compose.inc

@@ -781,12 +781,13 @@
    unset($plugin);

    // add blocked.gif attachment (#1486516)
    if ($isHtml && preg_match('#<img src="\./program/resources/blocked\.gif"#', $body)) {
        if ($attachment = rcmail_save_image('program/resources/blocked.gif', 'image/gif')) {
    if ($isHtml && preg_match('#<img src="program/resources/blocked\.gif"#', $body)) {
        $content = $RCMAIL->get_resource_content('blocked.gif');
        if ($content && ($attachment = rcmail_save_image('blocked.gif', 'image/gif', $content))) {
            $COMPOSE['attachments'][$attachment['id']] = $attachment;
            $url = sprintf('%s&_id=%s&_action=display-attachment&_file=rcmfile%s',
                $RCMAIL->comm_path, $COMPOSE['id'], $attachment['id']);
            $body = preg_replace('#\./program/resources/blocked\.gif#', $url, $body);
            $body = preg_replace('#program/resources/blocked\.gif#', $url, $body);
        }
    }

@@ -1400,18 +1401,31 @@
    return false;
}

function rcmail_save_image($path, $mimetype='')
function rcmail_save_image($path, $mimetype = '', $data = null)
{
    global $COMPOSE;

    // handle attachments in memory
    $data = file_get_contents($path);
    if (empty($data)) {
        $data    = file_get_contents($path);
        $is_file = true;
    }

    $name = rcmail_basename($path);

    if (empty($mimetype)) {
        if ($is_file) {
            $mimetype = rcube_mime::file_content_type($path, $name);
        }
        else {
            $mimetype = rcube_mime::file_content_type($data, $name, 'application/octet-stream', true);
        }
    }

    $attachment = array(
        'group'    => $COMPOSE['id'],
        'name'     => $name,
        'mimetype' => $mimetype ? $mimetype : rcube_mime::file_content_type($path, $name),
        'mimetype' => $mimetype,
        'data'     => $data,
        'size'     => strlen($data),
    );