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Pepperminty-Wiki/modules/page-export.php

64 lines
3.2 KiB
PHP

<?php
register_module([
"name" => "Export",
"version" => "0.4",
"author" => "Starbeamrainbowlabs",
"description" => "Adds a page that you can use to export your wiki as a .zip file. Uses \$settings->export_only_allow_admins, which controls whether only admins are allowed to export the wiki.",
"id" => "page-export",
"code" => function() {
global $settings;
/*
* ███████ ██ ██ ██████ ██████ ██████ ████████
* ██ ██ ██ ██ ██ ██ ██ ██ ██ ██
* █████ ███ ██████ ██ ██ ██████ ██
* ██ ██ ██ ██ ██ ██ ██ ██ ██
* ███████ ██ ██ ██ ██████ ██ ██ ██
*/
add_action("export", function() {
global $settings, $pageindex, $env;
if($settings->export_allow_only_admins && !$env->is_admin)
{
http_response_code(401);
exit(page_renderer::render("Export error - $settings->sitename", "Only administrators of $settings->sitename are allowed to export the wiki as a zip. <a href='?action=$settings->defaultaction&page='>Return to the $settings->defaultpage</a>."));
}
$tmpfilename = tempnam(sys_get_temp_dir(), "pepperminty-wiki-");
$zip = new ZipArchive();
if($zip->open($tmpfilename, ZipArchive::CREATE) !== true)
{
http_response_code(507);
exit(page_renderer::render("Export error - $settings->sitename", "Pepperminty Wiki was unable to open a temporary file to store the exported data in. Please contact $settings->sitename's administrator (" . $settings->admindetails["name"] . " at " . hide_email($settings->admindetails["email"]) . ") for assistance."));
}
foreach($pageindex as $entry)
{
$zip->addFile("$env->storage_prefix$entry->filename", $entry->filename);
}
if($zip->close() !== true)
{
http_response_code(500);
exit(page_renderer::render("Export error - $settings->sitename", "Pepperminty wiki was unable to close the temporary zip file after creating it. Please contact $settings->sitename's administrator (" . $settings->admindetails["name"] . " at " . hide_email($settings->admindetails["email"]) . ") for assistance."));
}
header("content-type: application/zip");
header("content-disposition: attachment; filename=$settings->sitename-export.zip");
header("content-length: " . filesize($tmpfilename));
$zip_handle = fopen($tmpfilename, "rb");
fpassthru($zip_handle);
fclose($zip_handle);
unlink($tmpfilename);
});
// Add a section to the help page
add_help_section("50-export", "Exporting", "<p>$settings->sitename supports exporting the entire wiki's content as a zip. Note that you may need to be a moderator in order to do this. Also note that you should check for permission before doing so, even if you are able to export without asking.</p>
<p>To perform an export, go to the credits page and click &quot;Export as zip - Check for permission first&quot;.</p>");
}
]);
?>