3b23f89ca2
- Fix local formatting - Remove unused variable - Fix unreached breaks - Remove commented out code - Add some documentation
468 lines
11 KiB
PHP
468 lines
11 KiB
PHP
<?php
|
|
/**
|
|
* @file include/plugin.php
|
|
*
|
|
* @brief Some functions to handle addons and themes.
|
|
*/
|
|
|
|
use Friendica\App;
|
|
use Friendica\Core\Config;
|
|
use Friendica\Core\System;
|
|
use Friendica\Database\DBM;
|
|
|
|
/**
|
|
* @brief uninstalls an addon.
|
|
*
|
|
* @param string $plugin name of the addon
|
|
* @return boolean
|
|
*/
|
|
function uninstall_plugin($plugin) {
|
|
logger("Addons: uninstalling " . $plugin);
|
|
dba::delete('addon', array('name' => $plugin));
|
|
|
|
@include_once('addon/' . $plugin . '/' . $plugin . '.php');
|
|
if (function_exists($plugin . '_uninstall')) {
|
|
$func = $plugin . '_uninstall';
|
|
$func();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief installs an addon.
|
|
*
|
|
* @param string $plugin name of the addon
|
|
* @return bool
|
|
*/
|
|
function install_plugin($plugin) {
|
|
// silently fail if plugin was removed
|
|
|
|
if (!file_exists('addon/' . $plugin . '/' . $plugin . '.php')) {
|
|
return false;
|
|
}
|
|
logger("Addons: installing " . $plugin);
|
|
$t = @filemtime('addon/' . $plugin . '/' . $plugin . '.php');
|
|
@include_once('addon/' . $plugin . '/' . $plugin . '.php');
|
|
if (function_exists($plugin . '_install')) {
|
|
$func = $plugin . '_install';
|
|
$func();
|
|
|
|
$plugin_admin = (function_exists($plugin."_plugin_admin") ? 1 : 0);
|
|
|
|
dba::insert('addon', array('name' => $plugin, 'installed' => true,
|
|
'timestamp' => $t, 'plugin_admin' => $plugin_admin));
|
|
|
|
// we can add the following with the previous SQL
|
|
// once most site tables have been updated.
|
|
// This way the system won't fall over dead during the update.
|
|
|
|
if (file_exists('addon/' . $plugin . '/.hidden')) {
|
|
dba::update('addon', array('hidden' => true), array('name' => $plugin));
|
|
}
|
|
return true;
|
|
} else {
|
|
logger("Addons: FAILED installing " . $plugin);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// reload all updated plugins
|
|
|
|
function reload_plugins() {
|
|
$plugins = Config::get('system', 'addon');
|
|
if (strlen($plugins)) {
|
|
|
|
$r = q("SELECT * FROM `addon` WHERE `installed` = 1");
|
|
if (DBM::is_result($r)) {
|
|
$installed = $r;
|
|
} else {
|
|
$installed = array();
|
|
}
|
|
|
|
$parr = explode(',',$plugins);
|
|
|
|
if (count($parr)) {
|
|
foreach ($parr as $pl) {
|
|
|
|
$pl = trim($pl);
|
|
|
|
$fname = 'addon/' . $pl . '/' . $pl . '.php';
|
|
|
|
if (file_exists($fname)) {
|
|
$t = @filemtime($fname);
|
|
foreach ($installed as $i) {
|
|
if (($i['name'] == $pl) && ($i['timestamp'] != $t)) {
|
|
logger('Reloading plugin: ' . $i['name']);
|
|
@include_once($fname);
|
|
|
|
if (function_exists($pl . '_uninstall')) {
|
|
$func = $pl . '_uninstall';
|
|
$func();
|
|
}
|
|
if (function_exists($pl . '_install')) {
|
|
$func = $pl . '_install';
|
|
$func();
|
|
}
|
|
dba::update('addon', array('timestamp' => $t), array('id' => $i['id']));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* @brief check if addon is enabled
|
|
*
|
|
* @param string $plugin
|
|
* @return boolean
|
|
*/
|
|
function plugin_enabled($plugin) {
|
|
return dba::exists('addon', array('installed' => true, 'name' => $plugin));
|
|
}
|
|
|
|
|
|
/**
|
|
* @brief registers a hook.
|
|
*
|
|
* @param string $hook the name of the hook
|
|
* @param string $file the name of the file that hooks into
|
|
* @param string $function the name of the function that the hook will call
|
|
* @param int $priority A priority (defaults to 0)
|
|
* @return mixed|bool
|
|
*/
|
|
function register_hook($hook, $file, $function, $priority=0) {
|
|
$condition = array('hook' => $hook, 'file' => $file, 'function' => $function);
|
|
$exists = dba::exists('hook', $condition);
|
|
if ($exists) {
|
|
return true;
|
|
}
|
|
|
|
$r = dba::insert('hook', array('hook' => $hook, 'file' => $file, 'function' => $function, 'priority' => $priority));
|
|
|
|
return $r;
|
|
}
|
|
|
|
/**
|
|
* @brief unregisters a hook.
|
|
*
|
|
* @param string $hook the name of the hook
|
|
* @param string $file the name of the file that hooks into
|
|
* @param string $function the name of the function that the hook called
|
|
* @return array
|
|
*/
|
|
function unregister_hook($hook, $file, $function) {
|
|
$condition = array('hook' => $hook, 'file' => $file, 'function' => $function);
|
|
$r = dba::delete('hook', $condition);
|
|
return $r;
|
|
}
|
|
|
|
|
|
function load_hooks() {
|
|
$a = get_app();
|
|
$a->hooks = array();
|
|
$r = dba::select('hook', array('hook', 'file', 'function'), array(), array('order' => array('priority' => 'desc', 'file')));
|
|
|
|
while ($rr = dba::fetch($r)) {
|
|
if (! array_key_exists($rr['hook'],$a->hooks)) {
|
|
$a->hooks[$rr['hook']] = array();
|
|
}
|
|
$a->hooks[$rr['hook']][] = array($rr['file'],$rr['function']);
|
|
}
|
|
dba::close($r);
|
|
}
|
|
|
|
/**
|
|
* @brief Calls a hook.
|
|
*
|
|
* Use this function when you want to be able to allow a hook to manipulate
|
|
* the provided data.
|
|
*
|
|
* @param string $name of the hook to call
|
|
* @param string|array &$data to transmit to the callback handler
|
|
*/
|
|
function call_hooks($name, &$data = null)
|
|
{
|
|
$a = get_app();
|
|
|
|
if (is_array($a->hooks) && array_key_exists($name, $a->hooks)) {
|
|
foreach ($a->hooks[$name] as $hook) {
|
|
call_single_hook($a, $name, $hook, $data);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Calls a single hook.
|
|
*
|
|
* @param string $name of the hook to call
|
|
* @param array $hook Hook data
|
|
* @param string|array &$data to transmit to the callback handler
|
|
*/
|
|
function call_single_hook($a, $name, $hook, &$data = null) {
|
|
// Don't run a theme's hook if the user isn't using the theme
|
|
if (strpos($hook[0], 'view/theme/') !== false && strpos($hook[0], 'view/theme/'.current_theme()) === false)
|
|
return;
|
|
|
|
@include_once($hook[0]);
|
|
if (function_exists($hook[1])) {
|
|
$func = $hook[1];
|
|
$func($a, $data);
|
|
} else {
|
|
// remove orphan hooks
|
|
$condition = array('hook' => $name, 'file' => $hook[0], 'function' => $hook[1]);
|
|
dba::delete('hook', $condition);
|
|
}
|
|
}
|
|
|
|
//check if an app_menu hook exist for plugin $name.
|
|
//Return true if the plugin is an app
|
|
function plugin_is_app($name) {
|
|
$a = get_app();
|
|
|
|
if (is_array($a->hooks) && (array_key_exists('app_menu',$a->hooks))) {
|
|
foreach ($a->hooks['app_menu'] as $hook) {
|
|
if ($hook[0] == 'addon/'.$name.'/'.$name.'.php')
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* @brief Parse plugin comment in search of plugin infos.
|
|
*
|
|
* like
|
|
* \code
|
|
*...* Name: Plugin
|
|
* * Description: A plugin which plugs in
|
|
* . * Version: 1.2.3
|
|
* * Author: John <profile url>
|
|
* * Author: Jane <email>
|
|
* *
|
|
* *\endcode
|
|
* @param string $plugin the name of the plugin
|
|
* @return array with the plugin information
|
|
*/
|
|
|
|
function get_plugin_info($plugin) {
|
|
|
|
$a = get_app();
|
|
|
|
$info=Array(
|
|
'name' => $plugin,
|
|
'description' => "",
|
|
'author' => array(),
|
|
'version' => "",
|
|
'status' => ""
|
|
);
|
|
|
|
if (!is_file("addon/$plugin/$plugin.php")) return $info;
|
|
|
|
$stamp1 = microtime(true);
|
|
$f = file_get_contents("addon/$plugin/$plugin.php");
|
|
$a->save_timestamp($stamp1, "file");
|
|
|
|
$r = preg_match("|/\*.*\*/|msU", $f, $m);
|
|
|
|
if ($r) {
|
|
$ll = explode("\n", $m[0]);
|
|
foreach ( $ll as $l ) {
|
|
$l = trim($l,"\t\n\r */");
|
|
if ($l != "") {
|
|
list($k,$v) = array_map("trim", explode(":",$l,2));
|
|
$k= strtolower($k);
|
|
if ($k == "author") {
|
|
$r=preg_match("|([^<]+)<([^>]+)>|", $v, $m);
|
|
if ($r) {
|
|
$info['author'][] = array('name'=>$m[1], 'link'=>$m[2]);
|
|
} else {
|
|
$info['author'][] = array('name'=>$v);
|
|
}
|
|
} else {
|
|
if (array_key_exists($k,$info)) {
|
|
$info[$k]=$v;
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
}
|
|
return $info;
|
|
}
|
|
|
|
|
|
/**
|
|
* @brief Parse theme comment in search of theme infos.
|
|
*
|
|
* like
|
|
* \code
|
|
* ..* Name: My Theme
|
|
* * Description: My Cool Theme
|
|
* . * Version: 1.2.3
|
|
* * Author: John <profile url>
|
|
* * Maintainer: Jane <profile url>
|
|
* *
|
|
* \endcode
|
|
* @param string $theme the name of the theme
|
|
* @return array
|
|
*/
|
|
|
|
function get_theme_info($theme) {
|
|
$info=Array(
|
|
'name' => $theme,
|
|
'description' => "",
|
|
'author' => array(),
|
|
'maintainer' => array(),
|
|
'version' => "",
|
|
'credits' => "",
|
|
'experimental' => false,
|
|
'unsupported' => false
|
|
);
|
|
|
|
if (file_exists("view/theme/$theme/experimental"))
|
|
$info['experimental'] = true;
|
|
if (file_exists("view/theme/$theme/unsupported"))
|
|
$info['unsupported'] = true;
|
|
|
|
if (!is_file("view/theme/$theme/theme.php")) return $info;
|
|
|
|
$a = get_app();
|
|
$stamp1 = microtime(true);
|
|
$f = file_get_contents("view/theme/$theme/theme.php");
|
|
$a->save_timestamp($stamp1, "file");
|
|
|
|
$r = preg_match("|/\*.*\*/|msU", $f, $m);
|
|
|
|
if ($r) {
|
|
$ll = explode("\n", $m[0]);
|
|
foreach ( $ll as $l ) {
|
|
$l = trim($l,"\t\n\r */");
|
|
if ($l != "") {
|
|
list($k,$v) = array_map("trim", explode(":",$l,2));
|
|
$k= strtolower($k);
|
|
if ($k == "author") {
|
|
|
|
$r=preg_match("|([^<]+)<([^>]+)>|", $v, $m);
|
|
if ($r) {
|
|
$info['author'][] = array('name'=>$m[1], 'link'=>$m[2]);
|
|
} else {
|
|
$info['author'][] = array('name'=>$v);
|
|
}
|
|
} elseif ($k == "maintainer") {
|
|
$r=preg_match("|([^<]+)<([^>]+)>|", $v, $m);
|
|
if ($r) {
|
|
$info['maintainer'][] = array('name'=>$m[1], 'link'=>$m[2]);
|
|
} else {
|
|
$info['maintainer'][] = array('name'=>$v);
|
|
}
|
|
} else {
|
|
if (array_key_exists($k,$info)) {
|
|
$info[$k]=$v;
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
}
|
|
return $info;
|
|
}
|
|
|
|
/**
|
|
* @brief Returns the theme's screenshot.
|
|
*
|
|
* The screenshot is expected as view/theme/$theme/screenshot.[png|jpg].
|
|
*
|
|
* @param sring $theme The name of the theme
|
|
* @return string
|
|
*/
|
|
function get_theme_screenshot($theme) {
|
|
$exts = array('.png','.jpg');
|
|
foreach ($exts as $ext) {
|
|
if (file_exists('view/theme/' . $theme . '/screenshot' . $ext)) {
|
|
return(System::baseUrl() . '/view/theme/' . $theme . '/screenshot' . $ext);
|
|
}
|
|
}
|
|
return(System::baseUrl() . '/images/blank.png');
|
|
}
|
|
|
|
// install and uninstall theme
|
|
function uninstall_theme($theme) {
|
|
logger("Addons: uninstalling theme " . $theme);
|
|
|
|
include_once("view/theme/$theme/theme.php");
|
|
if (function_exists("{$theme}_uninstall")) {
|
|
$func = "{$theme}_uninstall";
|
|
$func();
|
|
}
|
|
}
|
|
|
|
function install_theme($theme) {
|
|
// silently fail if theme was removed
|
|
|
|
if (! file_exists("view/theme/$theme/theme.php")) {
|
|
return false;
|
|
}
|
|
|
|
logger("Addons: installing theme $theme");
|
|
|
|
include_once("view/theme/$theme/theme.php");
|
|
|
|
if (function_exists("{$theme}_install")) {
|
|
$func = "{$theme}_install";
|
|
$func();
|
|
return true;
|
|
} else {
|
|
logger("Addons: FAILED installing theme $theme");
|
|
return false;
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* @brief Get the full path to relevant theme files by filename
|
|
*
|
|
* This function search in the theme directory (and if not present in global theme directory)
|
|
* if there is a directory with the file extension and for a file with the given
|
|
* filename.
|
|
*
|
|
* @param string $file Filename
|
|
* @param string $root Full root path
|
|
* @return string Path to the file or empty string if the file isn't found
|
|
*/
|
|
function theme_include($file, $root = '') {
|
|
$file = basename($file);
|
|
|
|
// Make sure $root ends with a slash / if it's not blank
|
|
if ($root !== '' && $root[strlen($root)-1] !== '/') {
|
|
$root = $root . '/';
|
|
}
|
|
$theme_info = get_app()->theme_info;
|
|
if (is_array($theme_info) && array_key_exists('extends',$theme_info)) {
|
|
$parent = $theme_info['extends'];
|
|
} else {
|
|
$parent = 'NOPATH';
|
|
}
|
|
$theme = current_theme();
|
|
$thname = $theme;
|
|
$ext = substr($file,strrpos($file,'.')+1);
|
|
$paths = array(
|
|
"{$root}view/theme/$thname/$ext/$file",
|
|
"{$root}view/theme/$parent/$ext/$file",
|
|
"{$root}view/$ext/$file",
|
|
);
|
|
foreach ($paths as $p) {
|
|
// strpos() is faster than strstr when checking if one string is in another (http://php.net/manual/en/function.strstr.php)
|
|
if (strpos($p,'NOPATH') !== false) {
|
|
continue;
|
|
} elseif (file_exists($p)) {
|
|
return $p;
|
|
}
|
|
}
|
|
return '';
|
|
}
|