374 lines
12 KiB
PHP
374 lines
12 KiB
PHP
<?php
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require_once "model".DIR."Pingback.php";
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class Pingable extends Modules {
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# Array: $caches
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# Query caches for methods.
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private $caches = array();
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public static function __install(): void {
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Pingback::install();
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Group::add_permission("edit_pingback", "Edit Webmentions");
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Group::add_permission("delete_pingback", "Delete Webmentions");
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}
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public static function __uninstall($confirm): void {
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if ($confirm)
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Pingback::uninstall();
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Group::remove_permission("edit_pingback");
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Group::remove_permission("delete_pingback");
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}
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public function list_permissions($names = array()): array {
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$names["edit_pingback"] = __("Edit Webmentions", "pingable");
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$names["delete_pingback"] = __("Delete Webmentions", "pingable");
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return $names;
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}
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public function webmention($post, $from, $to): void {
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$count = SQL::current()->count(
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tables:"pingbacks",
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conds:array(
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"post_id" => $post->id,
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"source" => $from
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)
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);
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if (!empty($count))
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error(
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__("Error"),
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__("A webmention from your URL is already registered.", "pingable"),
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code:422
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);
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if (strlen($from) > 2048)
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error(
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__("Error"),
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__("Your URL is too long to be stored in our database.", "pingable"),
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code:413
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);
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Pingback::add(
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post_id:$post->id,
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source:$from,
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title:preg_replace("~(https?://|^)([^/:]+).*~i", "$2", $from)
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);
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}
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public function admin_edit_pingback($admin): void {
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if (empty($_GET['id']) or !is_numeric($_GET['id']))
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error(
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__("No ID Specified"),
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__("An ID is required to edit a webmention.", "pingable"),
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code:400
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);
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$pingback = new Pingback($_GET['id']);
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if ($pingback->no_results)
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show_404(
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__("Not Found"),
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__("Webmention not found.", "pingable")
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);
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if (!$pingback->editable())
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show_403(
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__("Access Denied"),
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__("You do not have sufficient privileges to edit this webmention.", "pingable")
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);
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$admin->display(
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"pages".DIR."edit_pingback",
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array("pingback" => $pingback)
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);
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}
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public function admin_update_pingback($admin)/*: never */{
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if (!isset($_POST['hash']) or !Session::check_token($_POST['hash']))
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show_403(
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__("Access Denied"),
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__("Invalid authentication token.")
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);
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if (empty($_POST['id']) or !is_numeric($_POST['id']))
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error(
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__("No ID Specified"),
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__("An ID is required to update a webmention.", "pingable"),
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code:400
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);
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if (empty($_POST['title']))
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error(
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__("No Title Specified", "pingable"),
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__("A title is required to update a webmention.", "pingable"),
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code:400
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);
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$pingback = new Pingback($_POST['id']);
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if ($pingback->no_results)
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show_404(
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__("Not Found"),
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__("Webmention not found.", "pingable")
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);
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if (!$pingback->editable())
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show_403(
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__("Access Denied"),
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__("You do not have sufficient privileges to edit this webmention.", "pingable")
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);
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$pingback = $pingback->update($_POST['title']);
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Flash::notice(
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__("Webmention updated.", "pingable"),
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"manage_pingbacks"
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);
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}
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public function admin_delete_pingback($admin): void {
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if (empty($_GET['id']) or !is_numeric($_GET['id']))
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error(
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__("No ID Specified"),
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__("An ID is required to delete a webmention.", "pingable"),
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code:400
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);
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$pingback = new Pingback($_GET['id']);
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if ($pingback->no_results)
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show_404(
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__("Not Found"),
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__("Webmention not found.", "pingable")
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);
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if (!$pingback->deletable())
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show_403(
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__("Access Denied"),
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__("You do not have sufficient privileges to delete this webmention.", "pingable")
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);
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$admin->display(
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"pages".DIR."delete_pingback",
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array("pingback" => $pingback)
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);
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}
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public function admin_destroy_pingback()/*: never */{
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if (!isset($_POST['hash']) or !Session::check_token($_POST['hash']))
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show_403(
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__("Access Denied"),
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__("Invalid authentication token.")
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);
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if (empty($_POST['id']) or !is_numeric($_POST['id']))
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error(
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__("No ID Specified"),
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__("An ID is required to delete a webmention.", "pingable"),
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code:400
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);
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if (!isset($_POST['destroy']) or $_POST['destroy'] != "indubitably")
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redirect("manage_pingbacks");
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$pingback = new Pingback($_POST['id']);
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if ($pingback->no_results)
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show_404(
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__("Not Found"),
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__("Webmention not found.", "pingable")
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);
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if (!$pingback->deletable())
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show_403(
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__("Access Denied"),
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__("You do not have sufficient privileges to delete this webmention.", "pingable")
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);
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Pingback::delete($pingback->id);
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Flash::notice(
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__("Webmention deleted.", "pingable"),
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"manage_pingbacks"
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);
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}
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public function admin_manage_pingbacks($admin): void {
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if (!Visitor::current()->group->can("edit_pingback", "delete_pingback"))
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show_403(
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__("Access Denied"),
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__("You do not have sufficient privileges to manage webmentions.", "pingable")
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);
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# Redirect searches to a clean URL or dirty GET depending on configuration.
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if (isset($_POST['query']))
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redirect(
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"manage_pingbacks/query/".
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str_ireplace(
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array("%2F", "%5C"),
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"%5F",
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urlencode($_POST['query'])
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).
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"/"
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);
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fallback($_GET['query'], "");
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list($where, $params, $order) = keywords(
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$_GET['query'],
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"title LIKE :query",
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"pingbacks"
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);
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$admin->display(
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"pages".DIR."manage_pingbacks",
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array(
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"pingbacks" => new Paginator(
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Pingback::find(
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array(
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"placeholders" => true,
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"where" => $where,
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"params" => $params,
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"order" => $order
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)
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),
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$admin->post_limit
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)
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)
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);
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}
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public function manage_nav($navs): array {
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if (Visitor::current()->group->can("edit_pingback", "delete_pingback"))
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$navs["manage_pingbacks"] = array(
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"title" => __("Webmentions", "pingable"),
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"selected" => array(
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"edit_pingback",
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"delete_pingback"
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)
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);
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return $navs;
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}
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public function admin_determine_action($action): ?string {
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$visitor = Visitor::current();
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if (
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$action == "manage" and
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$visitor->group->can("edit_pingback", "delete_pingback")
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)
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return "manage_pingbacks";
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return null;
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}
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public function manage_posts_column_header(): string {
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return '<th class="post_pingbacks value">'.
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__("Webmentions", "pingable").
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'</th>';
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}
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public function manage_posts_column($post): string {
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return '<td class="post_pingbacks value"><a href="'.
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url("manage_pingbacks/query/".urlencode("post_id:".$post->id)).
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'">'.
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$post->pingback_count.
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'</a></td>';
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}
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public function post($post): void {
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$post->has_many[] = "pingbacks";
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}
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public function delete_post($post): void {
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SQL::current()->delete(
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table:"pingbacks",
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conds:array("post_id" => $post->id)
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);
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}
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private function get_post_pingback_count($post_id): int {
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if (!isset($this->caches["post_pingback_counts"])) {
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$counts = SQL::current()->select(
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tables:"pingbacks",
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fields:array("COUNT(post_id) AS total", "post_id AS post_id"),
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group:"post_id"
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)->fetchAll();
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$this->caches["post_pingback_counts"] = array();
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foreach ($counts as $count) {
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$id = $count["post_id"];
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$total = (int) $count["total"];
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$this->caches["post_pingback_counts"][$id] = $total;
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}
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}
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return fallback($this->caches["post_pingback_counts"][$post_id], 0);
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}
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public function post_pingback_count_attr($attr, $post): int {
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if ($post->no_results)
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return 0;
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return $this->get_post_pingback_count($post->id);
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}
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public function import_chyrp_post($entry, $post): void {
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$chyrp = $entry->children(
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"http://chyrp.net/export/1.0/"
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);
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if (!isset($chyrp->pingback))
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return;
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foreach ($chyrp->pingback as $pingback) {
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$title = $pingback->children(
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"http://www.w3.org/2005/Atom"
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)->title;
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$source = $pingback->children(
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"http://www.w3.org/2005/Atom"
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)->link["href"];
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$created_at = $pingback->children(
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"http://www.w3.org/2005/Atom"
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)->published;
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Pingback::add(
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post_id:$post->id,
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source:unfix((string) $source),
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title:unfix((string) $title),
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created_at:datetime((string) $created_at)
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);
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}
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}
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public function posts_export($atom, $post): string {
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$pingbacks = Pingback::find(
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array("where" => array("post_id" => $post->id))
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);
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foreach ($pingbacks as $pingback) {
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$atom.= '<chyrp:pingback>'."\n".
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'<title type="html">'.
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fix($pingback->title, false, true).
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'</title>'."\n".
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'<link rel="via" href="'.
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fix($pingback->source, true).
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'" />'."\n".
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'<published>'.
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when(DATE_ATOM, $pingback->created_at).
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'</published>'."\n".
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'<chyrp:etag>'.
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fix($pingback->etag(), false, true).
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'</chyrp:etag>'."\n".
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'</chyrp:pingback>'."\n";
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}
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return $atom;
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}
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}
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