ttrss/plugins/share/init.php

284 lines
7.6 KiB
PHP

<?php
class Share extends Plugin {
private $host;
function about() {
return array(null,
"Share article by unique URL",
"fox");
}
/* @var PluginHost $host */
function init($host) {
$this->host = $host;
$host->add_hook($host::HOOK_ARTICLE_BUTTON, $this);
$host->add_hook($host::HOOK_PREFS_TAB_SECTION, $this);
}
function is_public_method($method) {
return $method == "get";
}
function get_js() {
return file_get_contents(__DIR__ . "/share.js");
}
function get_css() {
return file_get_contents(__DIR__ . "/share.css");
}
function get_prefs_js() {
return file_get_contents(__DIR__ . "/share_prefs.js");
}
function unshare() {
$id = $_REQUEST['id'];
$sth = $this->pdo->prepare("UPDATE ttrss_user_entries SET uuid = '' WHERE int_id = ?
AND owner_uid = ?");
$sth->execute([$id, $_SESSION['uid']]);
print __("Article unshared");
}
function hook_prefs_tab_section($id) {
if ($id == "prefFeedsPublishedGenerated") {
?>
<hr/>
<?= format_notice("You can disable all articles shared by unique URLs here.") ?></h2>
<button class='alt-danger' dojoType='dijit.form.Button' onclick="return Plugins.Share.clearKeys()">
<?= \Controls\icon('delete') ?>
<?= __('Unshare all articles') ?></button>
<?php
}
}
function clearArticleKeys() {
$sth = $this->pdo->prepare("UPDATE ttrss_user_entries SET uuid = '' WHERE
owner_uid = ?");
$sth->execute([$_SESSION['uid']]);
print __("Shared URLs cleared.");
}
function newkey() {
$id = $_REQUEST['id'];
$uuid = uniqid_short();
$sth = $this->pdo->prepare("UPDATE ttrss_user_entries SET uuid = ? WHERE int_id = ?
AND owner_uid = ?");
$sth->execute([$uuid, $id, $_SESSION['uid']]);
print json_encode(["link" => $uuid]);
}
function hook_article_button($line) {
$icon_class = !empty($line['uuid']) ? "is-shared" : "";
return "<i class='material-icons icon-share share-icon-".$line['int_id']." $icon_class'
style='cursor : pointer' onclick=\"Plugins.Share.shareArticle(".$line['int_id'].")\"
title='".__('Share by URL')."'>link</i>";
}
function get() {
$uuid = clean($_REQUEST["key"] ?? "");
if ($uuid) {
$sth = $this->pdo->prepare("SELECT ref_id, owner_uid
FROM ttrss_user_entries WHERE uuid = ?");
$sth->execute([$uuid]);
if ($row = $sth->fetch()) {
header("Content-Type: text/html");
$id = $row["ref_id"];
$owner_uid = $row["owner_uid"];
$this->format_article($id, $owner_uid);
return;
}
}
header($_SERVER["SERVER_PROTOCOL"]." 404 Not Found");
print "Article not found.";
}
private function format_article($id, $owner_uid) {
$pdo = Db::pdo();
$sth = $pdo->prepare("SELECT id,title,link,content,feed_id,comments,int_id,lang,
".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
(SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,
(SELECT title FROM ttrss_feeds WHERE id = feed_id) as feed_title,
(SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) as hide_images,
(SELECT always_display_enclosures FROM ttrss_feeds WHERE id = feed_id) as always_display_enclosures,
num_comments,
tag_cache,
author,
guid,
note
FROM ttrss_entries,ttrss_user_entries
WHERE id = ? AND ref_id = id AND owner_uid = ?");
$sth->execute([$id, $owner_uid]);
if ($line = $sth->fetch()) {
$line["tags"] = Article::_get_tags($id, $owner_uid, $line["tag_cache"]);
unset($line["tag_cache"]);
$line["content"] = Sanitizer::sanitize($line["content"],
$line['hide_images'],
$owner_uid, $line["site_url"], null, $line["id"]);
PluginHost::getInstance()->chain_hooks_callback(PluginHost::HOOK_RENDER_ARTICLE,
function ($result) use (&$line) {
$line = $result;
},
$line);
$enclosures = Article::_get_enclosures($line["id"]);
list ($og_image, $og_stream) = Article::_get_image($enclosures, $line['content'], $line["site_url"] ?? "", $line);
$content_decoded = html_entity_decode($line["title"], ENT_NOQUOTES | ENT_HTML401);
$parsed_updated = TimeHelper::make_local_datetime($line["updated"], true, $owner_uid, true);
$line['content'] = DiskCache::rewrite_urls($line['content']);
if (!$og_image)
$og_image = Config::get_self_url() . "/images/favicon-512px.png";
ob_start();
?>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv='Content-Type' content='text/html; charset=utf-8'/>
<title><?= $line["title"] ?></title>
<?= javascript_tag("js/common.js") ?>
<?= javascript_tag("js/utility.js") ?>
<style type='text/css'>
@media (prefers-color-scheme: dark) {
body {
background : #222;
}
}
body.css_loading * {
display : none;
}
</style>
<link rel='shortcut icon' type='image/png' href='images/favicon.png'>
<link rel='icon' type='image/png' sizes='72x72' href='images/favicon-72px.png'>
<meta property='og:title' content="<?= htmlspecialchars($content_decoded) ?>">
<meta property='og:description' content="<?= htmlspecialchars(
truncate_string(
preg_replace("/[\r\n\t]/", "",
preg_replace("/ {1,}/", " ",
strip_tags($content_decoded)
)
), 500, "...")) ?>">
<?php if ($og_image) { ?>
<meta property='og:image' content="<?= htmlspecialchars($og_image) ?>">
<?php } ?>
</head>
<body class='flat ttrss_utility ttrss_zoom css_loading'>
<div class='container'>
<div class='content post'>
<div class='header'>
<div class='row'>
<?php if (!empty($line["link"])) { ?>
<h1>
<a rel='noopener noreferrer'
href="<?= htmlspecialchars($line["link"]) ?>"><?= htmlspecialchars($line["title"]) ?></a>
</h1>
<?php } else { ?>
<h1><?= $line["title"] ?></h1>
<?php } ?>
</div>
<div class='row'>
<div><?= $line['author'] ?></div>
<div><?= $parsed_updated ?></div>
</div>
</div>
<div class='content' lang="<?= $line['lang'] ? $line['lang'] : "en" ?>">
<?= $line["content"] ?>
</div>
</div>
</body>
</html>
<?php
$rv = ob_get_contents();
ob_end_clean();
PluginHost::getInstance()->chain_hooks_callback(PluginHost::HOOK_FORMAT_ARTICLE,
function ($result) use (&$rv) {
$rv = $result;
},
$rv, $line);
print $rv;
}
}
function shareDialog() {
$id = (int)clean($_REQUEST['id'] ?? 0);
$sth = $this->pdo->prepare("SELECT uuid FROM ttrss_user_entries WHERE int_id = ?
AND owner_uid = ?");
$sth->execute([$id, $_SESSION['uid']]);
if ($row = $sth->fetch()) {
$uuid = $row['uuid'];
if (!$uuid) {
$uuid = uniqid_short();
$sth = $this->pdo->prepare("UPDATE ttrss_user_entries SET uuid = ? WHERE int_id = ?
AND owner_uid = ?");
$sth->execute([$uuid, $id, $_SESSION['uid']]);
}
$url_path = $this->host->get_public_method_url($this, "get", ["key" => $uuid]);
?>
<header><?= __("You can share this article by the following unique URL:") ?></header>
<section>
<div class='panel text-center'>
<a class='target-url' href="<?= htmlspecialchars($url_path) ?>"
target='_blank' rel='noopener noreferrer'><?= htmlspecialchars($url_path) ?></a>
</div>
</section>
<?php
} else {
print format_error(__("Article not found."));
}
?>
<footer class='text-center'>
<?= \Controls\button_tag(__('Unshare article'), '', ['class' => 'alt-danger', 'onclick' => "App.dialogOf(this).unshare()"]) ?>
<?= \Controls\button_tag(__('Generate new URL'), '', ['onclick' => "App.dialogOf(this).newurl()"]) ?>
<?= \Controls\submit_tag(__("Close this window")) ?>
</footer>
<?php
}
function api_version() {
return 2;
}
}