mirror of
https://github.com/friendica/friendica
synced 2024-12-28 09:22:18 +00:00
258 lines
6.7 KiB
PHP
258 lines
6.7 KiB
PHP
<?php
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/**
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* @file src/Core/Theme.php
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*/
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namespace Friendica\Core;
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use Friendica\BaseObject;
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use Friendica\Model\Profile;
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use Friendica\Util\Strings;
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require_once 'boot.php';
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/**
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* Some functions to handle themes
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*/
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class Theme
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{
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public static function getAllowedList()
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{
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$allowed_themes_str = Config::get('system', 'allowed_themes');
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$allowed_themes_raw = explode(',', str_replace(' ', '', $allowed_themes_str));
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$allowed_themes = [];
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if (count($allowed_themes_raw)) {
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foreach ($allowed_themes_raw as $theme) {
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$theme = Strings::sanitizeFilePathItem(trim($theme));
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if (strlen($theme) && is_dir("view/theme/$theme")) {
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$allowed_themes[] = $theme;
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}
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}
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}
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return $allowed_themes;
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}
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public static function setAllowedList(array $allowed_themes)
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{
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Config::set('system', 'allowed_themes', implode(',', $allowed_themes));
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}
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/**
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* @brief Parse theme comment in search of theme infos.
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*
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* like
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* \code
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* ..* Name: My Theme
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* * Description: My Cool Theme
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* . * Version: 1.2.3
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* * Author: John <profile url>
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* * Maintainer: Jane <profile url>
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* *
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* \endcode
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* @param string $theme the name of the theme
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* @return array
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*/
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public static function getInfo($theme)
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{
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$theme = Strings::sanitizeFilePathItem($theme);
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$info = [
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'name' => $theme,
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'description' => "",
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'author' => [],
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'maintainer' => [],
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'version' => "",
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'credits' => "",
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'experimental' => file_exists("view/theme/$theme/experimental"),
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'unsupported' => file_exists("view/theme/$theme/unsupported")
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];
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if (!is_file("view/theme/$theme/theme.php")) {
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return $info;
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}
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$a = \get_app();
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$stamp1 = microtime(true);
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$theme_file = file_get_contents("view/theme/$theme/theme.php");
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$a->getProfiler()->saveTimestamp($stamp1, "file", System::callstack());
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$result = preg_match("|/\*.*\*/|msU", $theme_file, $matches);
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if ($result) {
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$comment_lines = explode("\n", $matches[0]);
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foreach ($comment_lines as $comment_line) {
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$comment_line = trim($comment_line, "\t\n\r */");
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if ($comment_line != "") {
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list($key, $value) = array_map("trim", explode(":", $comment_line, 2));
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$key = strtolower($key);
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if ($key == "author") {
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$result = preg_match("|([^<]+)<([^>]+)>|", $value, $matches);
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if ($result) {
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$info['author'][] = ['name' => $matches[1], 'link' => $matches[2]];
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} else {
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$info['author'][] = ['name' => $value];
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}
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} elseif ($key == "maintainer") {
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$result = preg_match("|([^<]+)<([^>]+)>|", $value, $matches);
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if ($result) {
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$info['maintainer'][] = ['name' => $matches[1], 'link' => $matches[2]];
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} else {
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$info['maintainer'][] = ['name' => $value];
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}
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} elseif (array_key_exists($key, $info)) {
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$info[$key] = $value;
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}
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}
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}
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}
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return $info;
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}
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/**
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* @brief Returns the theme's screenshot.
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*
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* The screenshot is expected as view/theme/$theme/screenshot.[png|jpg].
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*
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* @param string $theme The name of the theme
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* @return string
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
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public static function getScreenshot($theme)
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{
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$theme = Strings::sanitizeFilePathItem($theme);
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$exts = ['.png', '.jpg'];
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foreach ($exts as $ext) {
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if (file_exists('view/theme/' . $theme . '/screenshot' . $ext)) {
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return System::baseUrl() . '/view/theme/' . $theme . '/screenshot' . $ext;
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}
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}
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return System::baseUrl() . '/images/blank.png';
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}
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public static function uninstall($theme)
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{
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$theme = Strings::sanitizeFilePathItem($theme);
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// silently fail if theme was removed or if $theme is funky
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if (file_exists("view/theme/$theme/theme.php")) {
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include_once "view/theme/$theme/theme.php";
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$func = "{$theme}_uninstall";
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if (function_exists($func)) {
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$func();
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}
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}
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$allowed_themes = Theme::getAllowedList();
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$key = array_search($theme, $allowed_themes);
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if ($key !== false) {
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unset($allowed_themes[$key]);
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Theme::setAllowedList($allowed_themes);
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}
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}
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public static function install($theme)
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{
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$theme = Strings::sanitizeFilePathItem($theme);
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// silently fail if theme was removed or if $theme is funky
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if (!file_exists("view/theme/$theme/theme.php")) {
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return false;
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}
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try {
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include_once "view/theme/$theme/theme.php";
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$func = "{$theme}_install";
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if (function_exists($func)) {
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$func();
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}
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$allowed_themes = Theme::getAllowedList();
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$allowed_themes[] = $theme;
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Theme::setAllowedList($allowed_themes);
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return true;
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} catch (\Exception $e) {
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Logger::error('Theme installation failed', ['theme' => $theme, 'error' => $e->getMessage()]);
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return false;
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}
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}
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/**
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* @brief Get the full path to relevant theme files by filename
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*
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* This function search in the theme directory (and if not present in global theme directory)
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* if there is a directory with the file extension and for a file with the given
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* filename.
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*
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* @param string $file Filename
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* @param string $root Full root path
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* @return string Path to the file or empty string if the file isn't found
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
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public static function getPathForFile($file, $root = '')
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{
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$file = basename($file);
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// Make sure $root ends with a slash / if it's not blank
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if ($root !== '' && $root[strlen($root) - 1] !== '/') {
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$root = $root . '/';
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}
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$theme_info = \get_app()->theme_info;
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if (is_array($theme_info) && array_key_exists('extends', $theme_info)) {
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$parent = $theme_info['extends'];
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} else {
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$parent = 'NOPATH';
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}
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$theme = \get_app()->getCurrentTheme();
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$parent = Strings::sanitizeFilePathItem($parent);
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$ext = substr($file, strrpos($file, '.') + 1);
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$paths = [
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"{$root}view/theme/$theme/$ext/$file",
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"{$root}view/theme/$parent/$ext/$file",
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"{$root}view/$ext/$file",
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];
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foreach ($paths as $p) {
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// strpos() is faster than strstr when checking if one string is in another (http://php.net/manual/en/function.strstr.php)
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if (strpos($p, 'NOPATH') !== false) {
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continue;
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} elseif (file_exists($p)) {
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return $p;
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}
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}
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return '';
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}
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/**
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* @brief Return relative path to theme stylesheet file
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*
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* Provide a sane default if nothing is chosen or the specified theme does not exist.
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*
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* @param string $theme Theme name
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*
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* @return string
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*/
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public static function getStylesheetPath($theme)
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{
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$theme = Strings::sanitizeFilePathItem($theme);
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if (!file_exists('view/theme/' . $theme . '/style.php')) {
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return 'view/theme/' . $theme . '/style.css';
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}
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$a = BaseObject::getApp();
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$query_params = [];
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$puid = Profile::getThemeUid($a);
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if ($puid) {
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$query_params['puid'] = $puid;
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}
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return 'view/theme/' . $theme . '/style.pcss' . (!empty($query_params) ? '?' . http_build_query($query_params) : '');
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}
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}
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