mirror of https://tt-rss.org/git/tt-rss.git
717 lines
20 KiB
PHP
717 lines
20 KiB
PHP
<?php
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abstract class Plugin {
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const API_VERSION_COMPAT = 1;
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/** @var PDO $pdo */
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protected $pdo;
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/**
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* @param PluginHost $host
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*
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* @return void
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* */
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abstract function init($host);
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/** @return array<null|float|string|bool> */
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abstract function about();
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// return array(1.0, "plugin", "No description", "No author", false);
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function __construct() {
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$this->pdo = Db::pdo();
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}
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/** @return array<string,bool> */
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function flags() {
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/* associative array, possible keys:
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needs_curl = boolean
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*/
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return array();
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}
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/**
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* @param string $method
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*
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* @return bool */
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function is_public_method($method) {
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return false;
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}
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/**
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* @param string $method
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*
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* @return bool */
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function csrf_ignore($method) {
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return false;
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}
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/** @return string */
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function get_js() {
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return "";
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}
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/** @return string */
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function get_login_js() {
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return "";
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}
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/** @return string */
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function get_css() {
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return "";
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}
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/** @return string */
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function get_prefs_js() {
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return "";
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}
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/** @return int */
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function api_version() {
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return Plugin::API_VERSION_COMPAT;
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}
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/* gettext-related helpers */
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/**
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* @param string $msgid
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*
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* @return string */
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function __($msgid) {
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/** @var Plugin $this -- this is a strictly template-related hack */
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return _dgettext(PluginHost::object_to_domain($this), $msgid);
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}
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/**
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* @param string $singular
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* @param string $plural
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* @param int $number
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*
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* @return string */
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function _ngettext($singular, $plural, $number) {
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/** @var Plugin $this -- this is a strictly template-related hack */
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return _dngettext(PluginHost::object_to_domain($this), $singular, $plural, $number);
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}
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/** @return string */
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function T_sprintf() {
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$args = func_get_args();
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$msgid = array_shift($args);
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return vsprintf($this->__($msgid), $args);
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}
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/* plugin hook methods */
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/* GLOBAL hooks are invoked in global context, only available to system plugins (loaded via .env for all users) */
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/** Adds buttons for article (on the right) - e.g. mail, share, add note. Generated markup must be valid XML.
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* @param array<string,mixed> $line
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* @return string
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* @see PluginHost::HOOK_ARTICLE_BUTTON
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* @see Plugin::hook_article_left_button()
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*/
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function hook_article_button($line) {
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user_error("Dummy method invoked.", E_USER_ERROR);
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return "";
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}
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/** Allows plugins to alter article data as gathered from feed XML, i.e. embed images, get full text content, etc.
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* @param array<string,mixed> $article
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* @return array<string,mixed>
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* @see PluginHost::HOOK_ARTICLE_FILTER
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*/
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function hook_article_filter($article) {
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user_error("Dummy method invoked.", E_USER_ERROR);
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return [];
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}
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/** Allow adding new UI elements (e.g. accordion panes) to (top) tab contents in Preferences
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* @param string $tab
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* @return void
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* @see PluginHost::HOOK_PREFS_TAB
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*/
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function hook_prefs_tab($tab) {
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user_error("Dummy method invoked.", E_USER_ERROR);
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}
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/** Allow adding new content to various sections of preferences UI (i.e. OPML import/export pane)
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* @param string $section
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* @return void
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* @see PluginHost::HOOK_PREFS_TAB_SECTION
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*/
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function hook_prefs_tab_section($section) {
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user_error("Dummy method invoked.", E_USER_ERROR);
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}
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/** Allows adding new (top) tabs in preferences UI
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* @return void
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* @see PluginHost::HOOK_PREFS_TABS
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*/
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function hook_prefs_tabs() {
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user_error("Dummy method invoked.", E_USER_ERROR);
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}
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/** Invoked when feed XML is processed by FeedParser class
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* @param FeedParser $parser
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* @param int $feed_id
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* @return void
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* @see PluginHost::HOOK_FEED_PARSED
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*/
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function hook_feed_parsed($parser, $feed_id) {
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user_error("Dummy method invoked.", E_USER_ERROR);
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}
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/** GLOBAL: Invoked when a feed update task finishes
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* @param array<string,string> $cli_options
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* @return void
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* @see PluginHost::HOOK_UPDATE_TASK
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*/
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function hook_update_task($cli_options) {
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user_error("Dummy method invoked.", E_USER_ERROR);
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}
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/** This is a pluginhost compatibility wrapper that invokes $this->authenticate(...$args) (Auth_Base)
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* @param string $login
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* @param string $password
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* @param string $service
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* @return int|false user_id
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* @see PluginHost::HOOK_AUTH_USER
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*/
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function hook_auth_user($login, $password, $service = '') {
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user_error("Dummy method invoked.", E_USER_ERROR);
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return false;
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}
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/** IAuthModule only
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* @param string $login
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* @param string $password
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* @param string $service
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* @return int|false user_id
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*/
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function authenticate($login, $password, $service = '') {
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user_error("Dummy method invoked.", E_USER_ERROR);
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return false;
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}
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/** Allows plugins to modify global hotkey map (hotkey sequence -> action)
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* @param array<string, string> $hotkeys
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* @return array<string, string>
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* @see PluginHost::HOOK_HOTKEY_MAP
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* @see Plugin::hook_hotkey_info()
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*/
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function hook_hotkey_map($hotkeys) {
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user_error("Dummy method invoked.", E_USER_ERROR);
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return [];
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}
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/** Invoked when article is rendered by backend (before it gets passed to frontent JS code) - three panel mode
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* @param array<string, mixed> $article
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* @return array<string, mixed>
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* @see PluginHost::HOOK_RENDER_ARTICLE
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*/
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function hook_render_article($article) {
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user_error("Dummy method invoked.", E_USER_ERROR);
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return [];
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}
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/** Invoked when article is rendered by backend (before it gets passed to frontent JS code) - combined mode
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* @param array<string, mixed> $article
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* @return array<string, mixed>
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* @see PluginHost::HOOK_RENDER_ARTICLE_CDM
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*/
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function hook_render_article_cdm($article) {
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user_error("Dummy method invoked.", E_USER_ERROR);
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return [];
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}
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/** Invoked when raw feed XML data has been successfully downloaded (but not parsed yet)
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* @param string $feed_data
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* @param string $fetch_url
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* @param int $owner_uid
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* @param int $feed
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* @return string
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* @see PluginHost::HOOK_FEED_FETCHED
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*/
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function hook_feed_fetched($feed_data, $fetch_url, $owner_uid, $feed) {
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user_error("Dummy method invoked.", E_USER_ERROR);
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return "";
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}
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/** Invoked on article content when it is sanitized (i.e. potentially harmful tags removed)
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* @param DOMDocument $doc
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* @param string $site_url
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* @param array<string> $allowed_elements
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* @param array<string> $disallowed_attributes
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* @param int $article_id
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* @return DOMDocument|array<int,DOMDocument|array<string>>
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* @see PluginHost::HOOK_SANITIZE
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*/
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function hook_sanitize($doc, $site_url, $allowed_elements, $disallowed_attributes, $article_id) {
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user_error("Dummy method invoked.", E_USER_ERROR);
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return $doc;
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}
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/** Invoked when article is rendered by backend (before it gets passed to frontent JS code) - exclusive to API clients
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* @param array{'article': array<string,mixed>|null, 'headline': array<string,mixed>|null} $params
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* @return array<string, string>
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* @see PluginHost::HOOK_RENDER_ARTICLE_API
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*/
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function hook_render_article_api($params) {
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user_error("Dummy method invoked.", E_USER_ERROR);
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return [];
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}
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/** Allows adding new UI elements to tt-rss main toolbar (to the right, before Actions... dropdown)
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* @return string
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* @see PluginHost::HOOK_TOOLBAR_BUTTON
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*/
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function hook_toolbar_button() {
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user_error("Dummy method invoked.", E_USER_ERROR);
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return "";
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}
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/** Allows adding new items to tt-rss main Actions... dropdown menu
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* @return string
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* @see PluginHost::HOOK_ACTION_ITEM
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*/
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function hook_action_item() {
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user_error("Dummy method invoked.", E_USER_ERROR);
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return "";
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}
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/** Allows adding new UI elements to the toolbar area related to currently loaded feed headlines
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* @param int $feed_id
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* @param bool $is_cat
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* @return string
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* @see PluginHost::HOOK_HEADLINE_TOOLBAR_BUTTON
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*/
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function hook_headline_toolbar_button($feed_id, $is_cat) {
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user_error("Dummy method invoked.", E_USER_ERROR);
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return "";
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}
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/** Allows adding new hotkey action names and descriptions
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* @param array<string, array<string, string>> $hotkeys
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* @return array<string, array<string, string>>
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* @see PluginHost::HOOK_HOTKEY_INFO
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* @see Plugin::hook_hotkey_map()
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*/
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function hook_hotkey_info($hotkeys) {
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user_error("Dummy method invoked.", E_USER_ERROR);
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return [];
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}
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/** Adds per-article buttons on the left side. Generated markup must be valid XML.
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* @param array<string,mixed> $row
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* @return string
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* @see PluginHost::HOOK_ARTICLE_LEFT_BUTTON
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* @see Plugin::hook_article_button()
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*/
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function hook_article_left_button($row) {
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user_error("Dummy method invoked.", E_USER_ERROR);
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return "";
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}
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/** Allows adding new UI elements to the "Plugins" tab of the feed editor UI
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* @param int $feed_id
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* @return void
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* @see PluginHost::HOOK_PREFS_EDIT_FEED
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*/
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function hook_prefs_edit_feed($feed_id) {
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user_error("Dummy method invoked.", E_USER_ERROR);
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}
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/** Invoked when data is saved in the feed editor
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* @param int $feed_id
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* @return void
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* @see PluginHost::HOOK_PREFS_SAVE_FEED
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*/
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function hook_prefs_save_feed($feed_id) {
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user_error("Dummy method invoked.", E_USER_ERROR);
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}
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/** Allows overriding built-in fetching mechanism for feeds, substituting received data if necessary
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* (i.e. origin site doesn't actually provide any RSS feeds), or XML is invalid
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* @param string $feed_data
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* @param string $fetch_url
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* @param int $owner_uid
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* @param int $feed
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* @param int $last_article_timestamp
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* @param string $auth_login
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* @param string $auth_pass
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* @return string (possibly mangled feed data)
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* @see PluginHost::HOOK_FETCH_FEED
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*/
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function hook_fetch_feed($feed_data, $fetch_url, $owner_uid, $feed, $last_article_timestamp, $auth_login, $auth_pass) {
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user_error("Dummy method invoked.", E_USER_ERROR);
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return "";
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}
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/** Invoked when headlines data ($row) has been retrieved from the database
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* @param array<string,mixed> $row
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* @param int $excerpt_length
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* @return array<string,mixed>
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* @see PluginHost::HOOK_QUERY_HEADLINES
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*/
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function hook_query_headlines($row, $excerpt_length) {
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user_error("Dummy method invoked.", E_USER_ERROR);
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return [];
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}
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/** This is run periodically by the update daemon when idle (available both to user and system plugins)
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* @return void
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* @see PluginHost::HOOK_HOUSE_KEEPING */
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function hook_house_keeping() {
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user_error("Dummy method invoked.", E_USER_ERROR);
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}
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/** Allows overriding built-in article search
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* @param string $query
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* @return array<int, string|array<string>> - list(SQL search query, highlight keywords)
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* @see PluginHost::HOOK_SEARCH
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*/
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function hook_search($query) {
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user_error("Dummy method invoked.", E_USER_ERROR);
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return [];
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}
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/** Invoked when enclosures are rendered to HTML (when article itself is rendered)
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* @param string $enclosures_formatted
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* @param array<int, array<string, mixed>> $enclosures
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* @param int $article_id
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* @param bool $always_display_enclosures
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* @param string $article_content
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* @param bool $hide_images
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* @return string|array<string,array<int, array<string, mixed>>> ($enclosures_formatted, $enclosures)
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* @see PluginHost::HOOK_FORMAT_ENCLOSURES
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*/
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function hook_format_enclosures($enclosures_formatted, $enclosures, $article_id, $always_display_enclosures, $article_content, $hide_images) {
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user_error("Dummy method invoked.", E_USER_ERROR);
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return "";
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}
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/** Invoked during feed subscription (after data has been fetched)
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* @param string $contents
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* @param string $url
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* @param string $auth_login
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* @param string $auth_pass
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* @return string (possibly mangled feed data)
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* @see PluginHost::HOOK_SUBSCRIBE_FEED
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*/
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function hook_subscribe_feed($contents, $url, $auth_login, $auth_pass) {
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user_error("Dummy method invoked.", E_USER_ERROR);
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return "";
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}
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/**
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* @param int $feed
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* @param bool $is_cat
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* @param array<string,mixed> $qfh_ret (headlines object)
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* @return string
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* @see PluginHost::HOOK_HEADLINES_BEFORE
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*/
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function hook_headlines_before($feed, $is_cat, $qfh_ret) {
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user_error("Dummy method invoked.", E_USER_ERROR);
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return "";
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}
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/**
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* @param array<string,mixed> $entry
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* @param int $article_id
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* @param array<string,mixed> $rv
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* @return string
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* @see PluginHost::HOOK_RENDER_ENCLOSURE
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*/
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function hook_render_enclosure($entry, $article_id, $rv) {
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user_error("Dummy method invoked.", E_USER_ERROR);
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return "";
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}
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/**
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* @param array<string,mixed> $article
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* @param string $action
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* @return array<string,mixed> ($article)
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* @see PluginHost::HOOK_ARTICLE_FILTER_ACTION
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*/
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function hook_article_filter_action($article, $action) {
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user_error("Dummy method invoked.", E_USER_ERROR);
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return [];
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}
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/**
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* @param array<string,mixed> $line
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* @param int $feed
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* @param bool $is_cat
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* @param int $owner_uid
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* @return array<string,mixed> ($line)
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* @see PluginHost::HOOK_ARTICLE_EXPORT_FEED
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*/
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function hook_article_export_feed($line, $feed, $is_cat, $owner_uid) {
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user_error("Dummy method invoked.", E_USER_ERROR);
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return [];
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}
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/** Allows adding custom buttons to tt-rss main toolbar (left side)
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* @return void
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* @see PluginHost::HOOK_MAIN_TOOLBAR_BUTTON
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*/
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function hook_main_toolbar_button() {
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user_error("Dummy method invoked.", E_USER_ERROR);
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}
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/** Invoked for every enclosure entry as article is being rendered
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* @param array<string,string> $entry
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* @param int $id article id
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* @param array{'formatted': string, 'entries': array<int, array<string, mixed>>} $rv
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* @return array<string,string> ($entry)
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* @see PluginHost::HOOK_ENCLOSURE_ENTRY
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*/
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function hook_enclosure_entry($entry, $id, $rv) {
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user_error("Dummy method invoked.", E_USER_ERROR);
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return [];
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}
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/** Share plugins run this when article is being rendered as HTML for sharing
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* @param string $html
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* @param array<string,mixed> $row
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* @return string ($html)
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* @see PluginHost::HOOK_FORMAT_ARTICLE
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*/
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function hook_format_article($html, $row) {
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user_error("Dummy method invoked.", E_USER_ERROR);
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return "";
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}
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/** Invoked when basic feed information (title, site_url) is being collected, useful to override default if feed doesn't provide anything (or feed itself is synthesized)
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* @param array{"title": string, "site_url": string} $basic_info
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* @param string $fetch_url
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* @param int $owner_uid
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* @param int $feed_id
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* @param string $auth_login
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* @param string $auth_pass
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* @return array{"title": string, "site_url": string}
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* @see PluginHost::HOOK_FEED_BASIC_INFO
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*/
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function hook_feed_basic_info($basic_info, $fetch_url, $owner_uid, $feed_id, $auth_login, $auth_pass) {
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user_error("Dummy method invoked.", E_USER_ERROR);
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return $basic_info;
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}
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/** Invoked when file (e.g. cache entry, static data) is being sent to client, may override default mechanism
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* using faster httpd-specific implementation (see nginx_xaccel)
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* @param string $filename
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* @return bool
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* @see PluginHost::HOOK_SEND_LOCAL_FILE
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*/
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function hook_send_local_file($filename) {
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user_error("Dummy method invoked.", E_USER_ERROR);
|
|
|
|
return false;
|
|
}
|
|
|
|
/** Invoked when user tries to unsubscribe from a feed, returning true would prevent any further default actions
|
|
* @param int $feed_id
|
|
* @param int $owner_uid
|
|
* @return bool
|
|
* @see PluginHost::HOOK_UNSUBSCRIBE_FEED
|
|
*/
|
|
function hook_unsubscribe_feed($feed_id, $owner_uid) {
|
|
user_error("Dummy method invoked.", E_USER_ERROR);
|
|
|
|
return false;
|
|
}
|
|
|
|
/** Invoked when mail is being sent (if no hooks are registered, tt-rss uses PHP mail() as a fallback)
|
|
* @param Mailer $mailer
|
|
* @param array<string,mixed> $params
|
|
* @return int
|
|
* @see PluginHost::HOOK_SEND_MAIL
|
|
*/
|
|
function hook_send_mail($mailer, $params) {
|
|
user_error("Dummy method invoked.", E_USER_ERROR);
|
|
|
|
return -1;
|
|
}
|
|
|
|
/** Invoked when filter is triggered on an article, may be used to implement logging for filters
|
|
* NOTE: $article_filters should be renamed $filter_actions because that's what this is
|
|
* @param int $feed_id
|
|
* @param int $owner_uid
|
|
* @param array<string,mixed> $article
|
|
* @param array<string,mixed> $matched_filters
|
|
* @param array<string,string|bool|int> $matched_rules
|
|
* @param array<string,string> $article_filters
|
|
* @return void
|
|
* @see PluginHost::HOOK_FILTER_TRIGGERED
|
|
*/
|
|
function hook_filter_triggered($feed_id, $owner_uid, $article, $matched_filters, $matched_rules, $article_filters) {
|
|
user_error("Dummy method invoked.", E_USER_ERROR);
|
|
}
|
|
|
|
/** Plugins may provide this to allow getting full article text (af_readbility implements this)
|
|
* @param string $url
|
|
* @return string|false
|
|
* @see PluginHost::HOOK_GET_FULL_TEXT
|
|
*/
|
|
function hook_get_full_text($url) {
|
|
user_error("Dummy method invoked.", E_USER_ERROR);
|
|
|
|
return "";
|
|
}
|
|
|
|
/** Invoked when article flavor image is being determined, allows overriding default selection logic
|
|
* @param array<string,string> $enclosures
|
|
* @param string $content
|
|
* @param string $site_url
|
|
* @param array<string,mixed> $article
|
|
* @return string|array<int,string>
|
|
* @see PluginHost::HOOK_ARTICLE_IMAGE
|
|
*/
|
|
function hook_article_image($enclosures, $content, $site_url, $article) {
|
|
user_error("Dummy method invoked.", E_USER_ERROR);
|
|
|
|
return "";
|
|
}
|
|
|
|
/** Allows adding arbitrary elements before feed tree
|
|
* @return string HTML
|
|
* @see PluginHost::HOOK_FEED_TREE
|
|
* */
|
|
function hook_feed_tree() {
|
|
user_error("Dummy method invoked.", E_USER_ERROR);
|
|
|
|
return "";
|
|
}
|
|
|
|
/** Invoked for every iframe to determine if it is allowed to be displayed
|
|
* @param string $url
|
|
* @return bool
|
|
* @see PluginHost::HOOK_IFRAME_WHITELISTED
|
|
*/
|
|
function hook_iframe_whitelisted($url) {
|
|
user_error("Dummy method invoked.", E_USER_ERROR);
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* @param object $enclosure
|
|
* @param int $feed
|
|
* @return object ($enclosure)
|
|
* @see PluginHost::HOOK_ENCLOSURE_IMPORTED
|
|
*/
|
|
function hook_enclosure_imported($enclosure, $feed) {
|
|
user_error("Dummy method invoked.", E_USER_ERROR);
|
|
|
|
return $enclosure;
|
|
}
|
|
|
|
/** Allows adding custom elements to headline sort dropdown (name -> caption)
|
|
* @return array<string,string>
|
|
* @see PluginHost::HOOK_HEADLINES_CUSTOM_SORT_MAP
|
|
*/
|
|
function hook_headlines_custom_sort_map() {
|
|
user_error("Dummy method invoked.", E_USER_ERROR);
|
|
|
|
return ["" => ""];
|
|
}
|
|
|
|
/** Allows overriding headline sorting (or provide custom sort methods)
|
|
* @param string $order
|
|
* @return array<int, string|bool> -- (query, skip_first_id)
|
|
* @see PluginHost::HOOK_HEADLINES_CUSTOM_SORT_OVERRIDE
|
|
*/
|
|
function hook_headlines_custom_sort_override($order) {
|
|
user_error("Dummy method invoked.", E_USER_ERROR);
|
|
|
|
return ["", false];
|
|
}
|
|
|
|
/** Allows adding custom elements to headlines Select... dropdown
|
|
* @deprecated removed, see Plugin::hook_headline_toolbar_select_menu_item2()
|
|
* @param int $feed_id
|
|
* @param int $is_cat
|
|
* @return string
|
|
* @see PluginHost::HOOK_HEADLINE_TOOLBAR_SELECT_MENU_ITEM
|
|
*/
|
|
function hook_headline_toolbar_select_menu_item($feed_id, $is_cat) {
|
|
user_error("Dummy method invoked.", E_USER_ERROR);
|
|
|
|
return "";
|
|
}
|
|
|
|
/** Allows adding custom elements to headlines Select... select dropdown (<option> format)
|
|
* @param int $feed_id
|
|
* @param int $is_cat
|
|
* @return string
|
|
* @see PluginHost::HOOK_HEADLINE_TOOLBAR_SELECT_MENU_ITEM2
|
|
*/
|
|
function hook_headline_toolbar_select_menu_item2($feed_id, $is_cat) {
|
|
user_error("Dummy method invoked.", E_USER_ERROR);
|
|
|
|
return "";
|
|
}
|
|
|
|
/** Invoked when user tries to subscribe to feed, may override information (i.e. feed URL) used afterwards
|
|
* @param string $url
|
|
* @param string $auth_login
|
|
* @param string $auth_pass
|
|
* @return bool
|
|
* @see PluginHost::HOOK_PRE_SUBSCRIBE
|
|
*/
|
|
function hook_pre_subscribe(&$url, $auth_login, $auth_pass) {
|
|
user_error("Dummy method invoked.", E_USER_ERROR);
|
|
|
|
return false;
|
|
}
|
|
|
|
/** Invoked after user logout, may override built-in behavior (redirect back to login page)
|
|
* @param string $login
|
|
* @param int $user_id
|
|
* @return array<mixed> - [0] - if set, url to redirect to
|
|
*/
|
|
function hook_post_logout($login, $user_id) {
|
|
user_error("Dummy method invoked.", E_USER_ERROR);
|
|
|
|
return [""];
|
|
}
|
|
|
|
/** Adds buttons to the right of default Login button
|
|
* @return void
|
|
*/
|
|
function hook_loginform_additional_buttons() {
|
|
user_error("Dummy method invoked.", E_USER_ERROR);
|
|
}
|
|
|
|
/** Returns false if session is considered invalid, true cascades to next handler */
|
|
function hook_validate_session(): bool {
|
|
user_error("Dummy method invoked.", E_USER_ERROR);
|
|
return false;
|
|
}
|
|
|
|
}
|