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