/**
* Initialize the thumber class for use in thumbnail generation.
*/
public static function init()
{
$options = DG_Thumber::getOptions();
$active = $options['active'];
if ($active['imagick']) {
parent::init();
}
}
/**
* @param string $ID The attachment ID to retrieve thumbnail from.
*
* @return bool|string False on failure, URL to thumb on success.
*/
private static function getImageThumbnail($ID)
{
$options = DG_Thumber::getOptions();
$ret = false;
if ($icon = image_downsize($ID, array($options['width'], $options['height']))) {
$ret = $icon[0];
}
return $ret;
}
/**
* The default DG options to be used on install and when validating structure of options.
*
* @param $skeleton bool When true, expensive values are not calculated. Only keys may be trusted when returning skeleton.
*
* @return mixed[][] Contains default options for DG.
*/
public static function getDefaultOptions($skeleton = false)
{
include_once DG_PATH . 'inc/class-thumber.php';
$gs = $donate_link = null;
if (!$skeleton) {
$gs = DG_GhostscriptThumber::getGhostscriptExecutable();
$donate_link = self::getDonateLink();
}
return array('thumber' => array('gs' => $gs, 'active' => DG_Thumber::getDefaultThumbers($skeleton), 'width' => 200, 'height' => 200), 'thumber-co' => array('uid' => null, 'secret' => null, 'subscription' => array(), 'direct_upload' => false, 'mime_types' => array()), 'gallery' => array('attachment_pg' => false, 'columns' => 4, 'descriptions' => false, 'fancy' => true, 'limit' => -1, 'mime_types' => implode(',', self::getDefaultMimeTypes()), 'new_window' => false, 'order' => 'ASC', 'orderby' => 'menu_order', 'paginate' => true, 'post_status' => 'any', 'post_type' => 'attachment', 'relation' => 'AND', 'skip' => 0), 'css' => array('text' => ''), 'meta' => array('version' => DG_VERSION, 'items_per_page' => 10, 'donate_link' => $donate_link), 'logging' => array('enabled' => defined('WP_DEBUG') && WP_DEBUG, 'purge_interval' => 7));
}
/**
* Accepts AJAX request containing list of IDs to be generated and returned.
* Returns associative array mapping ID to thumbnail URL for all icons that were generated,
* skipping any that could not be processed.
*/
public static function generateIcons()
{
$ret = array();
if (isset($_REQUEST['ids'])) {
foreach ($_REQUEST['ids'] as $id) {
// only return URL if different from default -- default image is already displayed on the client side
$url = DG_Thumber::getInstance()->getThumbnail($id, 1, true, $is_default);
if (!$is_default) {
$ret[$id] = $url;
}
}
}
wp_send_json($ret);
}
/**
* Returns HTML representing this Document.
* @filter dg_icon_template Filters the DG icon HTML. Passes a single
* bool value indicating whether the gallery is using descriptions or not.
* @return string
*/
public function __toString()
{
include_once DG_PATH . 'inc/class-thumber.php';
$thumb = $this->gallery->useFancyThumbs() ? DG_Thumber::getThumbnail($this->ID) : DG_Thumber::getDefaultThumbnail($this->ID);
$target = $this->gallery->openLinkInNewWindow() ? '_blank' : '_self';
$repl = array($this->link, $thumb, $this->title_attribute, $this->title, $target, $this->extension, $this->size, $this->path);
$find = array('%link%', '%img%', '%title_attribute%', '%title%', '%target%', '%extension%', '%size%', '%path%');
$description = '';
// if descriptions then add filterable tag and value to replaced tag
if ($this->gallery->useDescriptions()) {
$repl[] = $this->description;
$find[] = '%description%';
$description = ' <p>%description%</p>';
}
$doc_icon = ' <div class="document-icon">' . PHP_EOL . ' <a href="%link%" target="%target%"><img src="%img%" title="%title_attribute%" alt="%title_attribute%" /><br>%title%</a>' . PHP_EOL . ' </div>' . PHP_EOL . $description;
// allow developers to filter icon output
$doc_icon = apply_filters('dg_icon_template', $doc_icon, $this->gallery->useDescriptions(), $this->ID);
return str_replace($find, $repl, $doc_icon);
}
/**
* @param int $ID The attachment ID.
* @param int $pg The page to thumbnail.
*
* @return bool Always false. Asynchronously set the thumbnail in webhook later.
*/
public function getThumbnail($ID, $pg = 1)
{
global $dg_options;
include_once DG_PATH . 'inc/thumbers/thumber-co/thumber-client/client.php';
include_once DG_PATH . 'inc/thumbers/thumber-co/thumber-client/thumb-request.php';
$options = DG_Thumber::getOptions();
$url_or_path = get_attached_file($ID);
if (!self::checkGeometry($options['width'], $options['height'])) {
DG_Logger::writeLog(DG_LogLevel::Detail, "Skipping attachment #{$ID} as it exceeds Thumber.co subscription geometry limit.");
return false;
}
if (!self::checkFileSize($url_or_path)) {
DG_Logger::writeLog(DG_LogLevel::Detail, "Skipping attachment #{$ID} as it exceeds Thumber.co subscription file size limit.");
return false;
}
$mime_type = get_post_mime_type($ID);
if (!$dg_options['thumber-co']['direct_upload']) {
$url_or_path = wp_get_attachment_url($ID);
}
if (!$url_or_path || !$mime_type) {
return false;
}
$req = new ThumberThumbReq();
$req->setCallback(self::$webhook);
$req->setMimeType($mime_type);
$req->setNonce($ID . self::NonceSeparator . md5(microtime()));
$req->setPg($pg);
$req->setGeometry($options['width'] . 'x' . $options['height']);
if ($dg_options['thumber-co']['direct_upload']) {
$req->setDecodedData(file_get_contents($url_or_path));
} else {
$req->setUrl($url_or_path);
}
$resp = self::$client->sendThumbRequest($req);
if ($resp['http_code'] < 200 || $resp['http_code'] > 399) {
DG_Logger::writeLog(DG_LogLevel::Error, 'Failed to transmit to server: ' . $resp['body']);
}
// always returns false -- we set the thumbnail later when webhook is hit
return false;
}
/**
*
* @param int $ID The attachment ID.
* @param int $pg The page number to use (1-based numbering).
* @param bool $generate_if_missing Whether to generate the thumbnail if it has not yet been generated.
*
* @return string The URL for the thumbnail NULL. Note that if generate_if_missing
* is true then you will never get NULL -- you will get a default icon if generation fails.
*/
public static function getThumbnail($ID, $pg = 1, $generate_if_missing = false)
{
include_once DG_PATH . 'inc/class-thumber.php';
return DG_Thumber::getInstance()->getThumbnail($ID, $pg, $generate_if_missing);
}
/**
* Runs when DG is uninstalled for an individual blog.
*/
private static function _uninstall($blog)
{
$options = DG_Thumber::getOptions($blog);
if (is_null($options)) {
return;
}
foreach ($options['thumbs'] as $val) {
if (isset($val['thumber'])) {
@unlink($val['thumb_path']);
}
}
DocumentGallery::deleteOptions($blog);
}
/**
* Processes the POST request, generating a ThumberResponse, validating, and passing the result to $callback.
* If not using client.php as the webhook, whoever receives webhook response should first invoke this method to
* validate response.
*/
public function receiveThumbResponse()
{
$resp = parent::receiveThumbResponse();
if (is_null($resp)) {
return;
}
$nonce = $resp->getNonce();
$split = explode(DG_ThumberCoThumber::NonceSeparator, $nonce);
if ($resp->getSuccess() && count($split) === 2) {
$ID = absint($split[0]);
$tmpfile = DG_Util::getTempFile();
file_put_contents($tmpfile, $resp->getDecodedData());
DG_Thumber::setThumbnail($ID, $tmpfile, array(__CLASS__, 'getThumberThumbnail'));
DG_Logger::writeLog(DG_LogLevel::Detail, "Received thumbnail from Thumber for attachment #{$split[0]}.");
} else {
$ID = count($split) > 0 ? $split[0] : $nonce;
DG_Logger::writeLog(DG_LogLevel::Warning, "Thumber was unable to process attachment #{$ID}: " . $resp->getError());
}
}
/**
* Save a Meta Box.
*/
public static function saveMetaBox($post_id)
{
// Check if our nonce is set.
// Verify that the nonce is valid.
// If this is an autosave, our form has not been submitted, so we don't want to do anything.
if (!isset($_POST[DG_OPTION_NAME . '_meta_box_nonce']) || !wp_verify_nonce($_POST[DG_OPTION_NAME . '_meta_box_nonce'], DG_OPTION_NAME . '_meta_box') || defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) {
return;
}
global $dg_options;
$responseArr = array('result' => false);
if (isset($_POST[DG_OPTION_NAME]['entry'])) {
$ID = intval($_POST[DG_OPTION_NAME]['entry']);
} else {
$ID = -1;
}
if (isset($_POST[DG_OPTION_NAME]['upload']) && isset($_FILES['file']) && isset($dg_options['thumber']['thumbs'][$ID])) {
$old_path = $dg_options['thumber']['thumbs'][$ID]['thumb_path'];
$uploaded_filename = self::validateUploadedFile();
if ($uploaded_filename && DG_Thumber::setThumbnail($ID, $uploaded_filename)) {
if ($dg_options['thumber']['thumbs'][$ID]['thumb_path'] !== $old_path) {
@unlink($old_path);
}
$responseArr['result'] = true;
$responseArr['url'] = $dg_options['thumber']['thumbs'][$ID]['thumb_url'];
}
}
if (isset($_POST[DG_OPTION_NAME]['ajax'])) {
wp_send_json($responseArr);
}
}
/**
* Render the Thumbnail table.
*/
function dg_render_thumbnail_section()
{
global $dg_url_params;
include_once DG_PATH . 'inc/class-thumber.php';
static $limit_options = array(10, 25, 75);
static $order_options = array('asc', 'desc');
static $orderby_options = array('date', 'title');
$options = DG_Thumber::getOptions();
// find subset of thumbs to be included
$orderby = $dg_url_params['orderby'] = dg_get_orderby_param($orderby_options);
$order = $dg_url_params['order'] = dg_get_order_param($order_options);
$limit = $dg_url_params['limit'] = dg_get_limit_param();
/** @var DG_Thumb[] $thumbs */
$thumbs = DG_Thumb::getThumbs($options['width'] . 'x' . $options['height']);
uasort($thumbs, 'dg_cmp_thumb');
$thumbs_number = count($thumbs);
$lastsheet = ceil($thumbs_number / $limit);
$sheet = isset($_REQUEST['sheet']) ? absint($_REQUEST['sheet']) : 1;
if ($sheet === 0 || $sheet > $lastsheet) {
$sheet = 1;
}
$offset = ($sheet - 1) * $limit;
$thumbs = array_slice($thumbs, $offset, $limit, true);
// https://core.trac.wordpress.org/ticket/12212
$posts = array();
if (!empty($thumbs)) {
$posts = get_posts(array('post_type' => 'any', 'post_status' => 'any', 'numberposts' => -1, 'post__in' => array_keys($thumbs), 'orderby' => 'post__in'));
}
foreach ($posts as $post) {
$path_parts = pathinfo($post->guid);
$thumb = $thumbs[$post->ID];
$thumbs[$post->ID] = array();
$t =& $thumbs[$post->ID];
$t['timestamp'] = $thumb->getTimestamp();
$t['title'] = dg_get_thumb_title($post);
$t['ext'] = isset($path_parts['extension']) ? $path_parts['extension'] : '';
$t['description'] = $post->post_content;
$t['icon'] = $thumb->isSuccess() ? $thumb->getUrl() : DG_DefaultThumber::getInstance()->getThumbnail($post->ID);
}
unset($posts);
$select_limit = '';
foreach ($limit_options as $l_o) {
$select_limit .= '<option value="' . $l_o . '"' . selected($limit, $l_o, false) . '>' . $l_o . '</option>' . PHP_EOL;
}
$thead = '<tr>' . '<th scope="col" class="manage-column column-cb check-column">' . '<label class="screen-reader-text" for="cb-select-all-%1$d">' . __('Select All', 'document-gallery') . '</label>' . '<input id="cb-select-all-%1$d" type="checkbox">' . '</th>' . '<th scope="col" class="manage-column column-icon">' . __('Thumbnail', 'document-gallery') . '</th>' . '<th scope="col" class="manage-column column-title ' . ($orderby != 'title' ? 'sortable desc' : 'sorted ' . $order) . '"><a href="?' . http_build_query(array_merge($dg_url_params, array('orderby' => 'title', 'order' => $orderby != 'title' ? 'asc' : ($order == 'asc' ? 'desc' : 'asc')))) . '"><span>' . __('File name', 'document-gallery') . '</span><span class="sorting-indicator"></span></th>' . '<th scope="col" class="manage-column column-description">' . __('Description', 'document-gallery') . '</th>' . '<th scope="col" class="manage-column column-thumbupload"></th>' . '<th scope="col" class="manage-column column-date ' . ($orderby != 'date' ? 'sortable asc' : 'sorted ' . $order) . '"><a href="?' . http_build_query(array_merge($dg_url_params, array('orderby' => 'date', 'order' => $orderby != 'date' ? 'desc' : ($order == 'asc' ? 'desc' : 'asc')))) . '"><span>' . __('Date', 'document-gallery') . '</span><span class="sorting-indicator"></span></th>' . '</tr>';
$pagination = '<div class="alignleft bulkactions"><button class="button action deleteSelected">' . __('Delete Selected', 'document-gallery') . '</button></div><div class="tablenav-pages">' . '<span class="displaying-num">' . $thumbs_number . ' ' . _n('item', 'items', $thumbs_number, 'document-gallery') . '</span>' . ($lastsheet > 1 ? '<span class="pagination-links">' . '<a class="first-page' . ($sheet == 1 ? ' disabled' : '') . '" title="' . __('Go to the first page', 'document-gallery') . '"' . ($sheet == 1 ? '' : ' href="?' . http_build_query($dg_url_params) . '"') . '>«</a>' . '<a class="prev-page' . ($sheet == 1 ? ' disabled' : '') . '" title="' . __('Go to the previous page', 'document-gallery') . '"' . ($sheet == 1 ? '' : ' href="?' . http_build_query(array_merge($dg_url_params, array('sheet' => $sheet - 1))) . '"') . '>‹</a>' . '<span class="paging-input">' . '<input class="current-page" title="' . __('Current page', 'document-gallery') . '" type="text" name="paged" value="' . $sheet . '" size="' . strlen($sheet) . '" maxlength="' . strlen($sheet) . '"> ' . __('of', 'document-gallery') . ' <span class="total-pages">' . $lastsheet . '</span></span>' . '<a class="next-page' . ($sheet == $lastsheet ? ' disabled' : '') . '" title="' . __('Go to the next page', 'document-gallery') . '"' . ($sheet == $lastsheet ? '' : ' href="?' . http_build_query(array_merge($dg_url_params, array('sheet' => $sheet + 1))) . '"') . '>›</a>' . '<a class="last-page' . ($sheet == $lastsheet ? ' disabled' : '') . '" title="' . __('Go to the last page', 'document-gallery') . '"' . ($sheet == $lastsheet ? '' : ' href="?' . http_build_query(array_merge($dg_url_params, array('sheet' => $lastsheet))) . '"') . '>»</a>' . '</span>' : ' <b>|</b> ') . '<span class="displaying-num"><select dir="rtl" class="limit_per_page">' . $select_limit . '</select> ' . __('items per page', 'document-gallery') . '</span>' . '</div>' . '<br class="clear" />';
?>
<script type="text/javascript">
var URL_params = <?php
echo wp_json_encode($dg_url_params);
?>
;
</script>
<div class="thumbs-list-wrapper">
<div>
<div class="tablenav top"><?php
echo $pagination;
?>
</div>
<table id="ThumbsTable" class="wp-list-table widefat fixed media"
cellpadding="0" cellspacing="0">
<thead>
<?php
printf($thead, 1);
?>
</thead>
<tfoot>
<?php
printf($thead, 2);
?>
</tfoot>
<tbody><?php
foreach ($thumbs as $tid => $thumb) {
$icon = $thumb['icon'];
$title = $thumb['title'];
$ext = $thumb['ext'];
$description = $thumb['description'];
$date = DocumentGallery::localDateTimeFromTimestamp($thumb['timestamp']);
?>
<tr data-entry="<?php
echo $tid;
?>
">
<td scope="row" class="check-column">
<input
type="checkbox"
class="cb-ids"
name="<?php
echo DG_OPTION_NAME;
?>
[ids][]"
value="<?php
echo $tid;
?>
">
</td>
<td class="column-icon media-icon"><img src="<?php
echo $icon;
?>
" /></td>
<td class="title column-title">
<strong>
<a
href="<?php
echo home_url('/?attachment_id=' . $tid);
?>
"
target="_blank"
title="<?php
sprintf(__("View '%s' attachment page", 'document-gallery'), $title);
?>
">
<span class="editable-title"><?php
echo $title;
?>
</span>
<sup><?php
echo $ext;
?>
</sup>
</a>
</strong>
<span class="dashicons dashicons-edit"></span>
<span class="edit-controls">
<span class="dashicons dashicons-yes"></span>
<span class="dashicons dashicons-no"></span>
</span>
</td>
<td class="column-description">
<div class="editable-description"><?php
echo $description;
?>
</div>
<span class="dashicons dashicons-edit"></span>
<span class="edit-controls">
<span class="dashicons dashicons-yes"></span>
<span class="dashicons dashicons-no"></span>
<span class="dashicons dashicons-update"></span>
</span>
</td>
<td class="column-thumbupload">
<span class="manual-download">
<span class="dashicons dashicons-upload"></span>
<span class="html5dndmarker">Drop file here<span> or </span></span>
<span class="buttons-area">
<input id="upload-button<?php
echo $tid;
?>
" type="file" />
<input id="trigger-button<?php
echo $tid;
?>
" type="button" value="Select File" class="button" />
</span>
</span>
<div class="progress animate invis">
<span><span></span></span>
</div>
</td>
<td class="date column-date"><?php
echo $date;
?>
</td>
</tr>
<?php
}
?>
</tbody>
</table>
<div class="tablenav bottom"><?php
echo $pagination;
?>
</div>
</div>
</div>
<?php
}
/**
* @return DG_Thumber The singleton instance.
*/
public static function getInstance()
{
return isset(self::$instance) ? self::$instance : (self::$instance = new DG_Thumber());
}
/**
* @return bool Whether we can use the GS executable.
*/
public static function isGhostscriptAvailable()
{
static $ret = null;
if (is_null($ret)) {
$options = DG_Thumber::getOptions();
$ret = $options['gs'] && self::isExecAvailable();
}
return $ret;
}