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<?php
namespace Zotlabs\Module;
use App;
use ZipArchive;
use Zotlabs\Lib\Apps;
use Zotlabs\Web\Controller;
class Uexport extends Controller {
function init() {
if(! local_channel()) {
return;
}
if(! Apps::system_app_installed(local_channel(), 'Channel Export')) {
return;
}
if(argc() > 1) {
$zap_compat = (($_REQUEST['zap_compat']) ? intval($_REQUEST['zap_compat']) : false);
$channel = App::get_channel();
$year = null;
$month = null;
if(argc() > 1 && intval(argv(1)) > 1900) {
$year = intval(argv(1));
}
if(argc() > 2 && intval(argv(2)) > 0 && intval(argv(2)) <= 12) {
$month = intval(argv(2));
}
$sections = [];
$section = '';
if(argc() > 1 && ctype_lower(argv(1))) {
$section = argv(1);
}
switch ($section) {
case 'channel':
$sections = get_default_export_sections();
break;
case 'chatrooms':
$sections = ['chatrooms'];
break;
case 'events':
$sections = ['events'];
break;
case 'webpages':
$sections = ['webpages'];
break;
case 'wikis':
$sections = ['wikis'];
break;
case 'custom':
default:
$custom_sections = ['chatrooms', 'events', 'webpages', 'wikis'];
$raw_sections = (($_REQUEST['sections']) ? explode(',', $_REQUEST['sections']) : '');
if ($raw_sections) {
foreach ($raw_sections as $raw_section) {
if(in_array($raw_section, $custom_sections)) {
$sections[] = $raw_section;
}
}
}
}
if ($sections) {
$export = json_encode(identity_basic_export(local_channel(), $sections, $zap_compat));
header('Content-Type: application/json');
header('Content-Disposition: attachment; filename="' . $channel['channel_address'] . '-' . implode('-', $sections) . '.json"');
header('Content-Length: ' . strlen($export));
echo $export;
killme();
}
elseif ($year && !$month) {
$zip_dir = 'store/[data]/' . $channel['channel_address'] . '/tmp';
if (!is_dir($zip_dir))
mkdir($zip_dir, STORAGE_DEFAULT_PERMISSIONS, true);
$zip_file = $channel['channel_address'] . '-' . $year . '.zip';
$zip_path = $zip_dir . '/' . $zip_file;
$zip_content_available = false;
$zip = new ZipArchive();
if ($zip->open($zip_path, ZipArchive::CREATE) === true) {
$month = 1;
while ($month <= 12) {
$name = $channel['channel_address'] . '-' . $year . '-' . $month . '.json';
$content = identity_export_year(local_channel(), $year, $month, $zap_compat);
if(isset($content['item'])) {
$zip_content_available = true;
$zip->addFromString($name, json_encode($content));
}
$month++;
}
$zip->setCompressionName($zip_path, ZipArchive::CM_STORE);
$zip->close();
}
if (!$zip_content_available) {
unlink($zip_path);
notice(t('No content available for year') . ' ' . $year . EOL);
goaway('/uexport');
}
header('Content-Type: application/zip');
header('Content-Disposition: attachment; filename="' . $zip_file . '"');
header('Content-Length: ' . filesize($zip_path));
$istream = fopen($zip_path, 'rb');
$ostream = fopen('php://output', 'wb');
if ($istream && $ostream) {
pipe_streams($istream, $ostream);
fclose($istream);
fclose($ostream);
}
unlink($zip_path);
killme();
}
elseif ($year && $month) {
$export = json_encode(identity_export_year(local_channel(), $year, $month, $zap_compat));
header('Content-Type: application/json');
header('Content-Disposition: attachment; filename="' . $channel['channel_address'] . '-' . $year . '-' . $month . '.json"');
header('Content-Length: ' . strlen($export));
echo $export;
killme();
}
else {
killme();
}
}
}
function get() {
if(! Apps::system_app_installed(local_channel(), 'Channel Export')) {
//Do not display any associated widgets at this point
App::$pdl = '';
$papp = Apps::get_papp('Channel Export');
return Apps::app_render($papp, 'module');
}
$account = App::get_account();
$year_start = datetime_convert('UTC', date_default_timezone_get(), $account['account_created'], 'Y');
$year_end = datetime_convert('UTC', date_default_timezone_get(), 'now', 'Y');
$years = [];
while ($year_start <= $year_end) {
$years[] = $year_start;
$year_start++;
}
$item_import_url = '/import_items';
$channel_import_url = '/import';
$o = replace_macros(get_markup_template('uexport.tpl'), array(
'$title' => t('Export Channel'),
'$channel_title' => t('Export channel'),
'$channel_info' => t('This will export your identity and social graph into a file which can be used to import your channel to a new hub.'),
'$years' => $years,
'$content_title' => t('Export content'),
'$content_info' => t('This will export your posts, direct messages, articles and cards per month stored into a zip file per year. Months with no posts will be dismissed.'),
'$wikis_title' => t('Export wikis'),
'$wikis_info' => t('This will export your wikis and wiki pages.'),
'$webpages_title' => t('Export webpages'),
'$webpages_info' => t('This will export your webpages and menus.'),
'$events_title' => t('Export channel calendar'),
'$events_info' => t('This will export your channel calendar events and associated items. CalDAV calendars are not included.'),
'$chatrooms_title' => t('Export chatrooms'),
'$chatrooms_info' => t('This will export your chatrooms. Chat history is dismissed.'),
'$items_extra_info' => sprintf( t('This export can be imported or restored by visiting <a href="%1$s">%2$s</a> on any site containing your channel.'), $item_import_url, $item_import_url),
));
return $o;
}
}
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