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310 lines
10 KiB
310 lines
10 KiB
<?php
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/**
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* SPDX-License-Identifier: EUPL-1.2
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* Authors: see /README.md
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*/
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namespace SeaCMS;
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use Exception;
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use Pico;
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use SeacmsAppPlugin;
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use SeaCMS\Api\SpecialOutputException;
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use SeaCMS\App\TestInterface;
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use Throwable;
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set_error_handler(function (
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int $errno,
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string $errstr,
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string $errfile = '',
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int $errline = -1
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) {
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if (!isset($GLOBALS['errorMessages'])){
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$GLOBALS['errorMessages']= [];
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}
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$GLOBALS['errorMessages'][] = <<<HTML
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<div>
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Error : $errstr<br>
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in file '$errfile' (line '$errline').<br/>
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ErrCode : $errno
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</div>
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HTML;
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return true;
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});
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class App
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{
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/**
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* plugins path in vendor
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* @var string
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*/
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public const PLUGINS_PATH = 'vendor/picocms/plugins/';
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/**
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* themes path in vendor
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* @var string
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*/
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public const THEMES_PATH = 'vendor/picocms/themes/';
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/**
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* Pico instance.
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* @var Pico
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*/
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protected $pico;
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public function __construct(string $contentFolderFromRoot, ?TestInterface $testRunner = null)
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{
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// sanitize content folder
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$cwd = getcwd();
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if (empty($contentFolderFromRoot)){
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$contentFolderFromRoot = 'content';
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} else {
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$contentFolderFromRoot = str_replace('\\','/',$contentFolderFromRoot);
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}
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if (!is_dir($cwd)){
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throw new Exception("getcwd returned a path that is not a directory !");
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}
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if (!is_dir("$cwd/$contentFolderFromRoot")){
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$contentFolderFromRoot = 'vendor/picocms/pico/content-sample';
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}
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if (substr($contentFolderFromRoot,-1) !== '/'){
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$contentFolderFromRoot .= '/';
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}
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// instance Pico
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$this->pico = new Pico(
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$cwd, // root dir
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$contentFolderFromRoot, // config dir
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self::PLUGINS_PATH, // plugins dir
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self::THEMES_PATH // themes dir
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);
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$this->pico->loadPlugin(new SeacmsAppPlugin($this->pico, $testRunner));
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$this->update_SERVERIfNeeded($this->pico, $contentFolderFromRoot);
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}
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public function runPico(): string
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{
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return $this->pico->run();
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}
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/**
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* instanciate Pico and run it then echo output
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* @param string $contentFolderFromRoot where is the root folder
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*/
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public static function run(string $contentFolderFromRoot)
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{
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try {
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$app = new App($contentFolderFromRoot);
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$output = $app->runPico();
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self::appendErrorMessagesIfNeeded($output);
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} catch (SpecialOutputException $th) {
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$output = $th->getJsonResponse()->send();
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} catch (Throwable $th) {
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$output = <<<HTML
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<div style="color:red;">
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Exception : {$th->__toString()}
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</div>
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HTML;
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self::appendErrorMessagesIfNeeded($output);
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} finally {
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echo $output;
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}
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}
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/**
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* append error messages from $GLOBALS['errorMessages']
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* only if $_GET['debug'] === 'yes'
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* @param string &$output
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*/
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protected static function appendErrorMessagesIfNeeded(string &$output)
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{
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if (!empty($_GET['debug']) && $_GET['debug'] === 'yes' && !empty($GLOBALS['errorMessages'])){
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$formattedMessages = implode("\n", $GLOBALS['errorMessages']);
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$formattedMessages = <<<HTML
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<div style="background-color:navajowhite;">
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$formattedMessages
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</div>
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HTML;
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if (preg_match('/<\/body>/i', $output, $match)) {
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$output = str_replace($match[0], $formattedMessages.$match[0], $output);
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} else {
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$output = $output.$formattedMessages;
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}
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}
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}
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/**
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* detect if rewrite mode then update $_SERVER in consequence
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* @see Pico:evaluateRequestUrl()
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*
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* @param Pico $pico
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* @param string $configDir
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*/
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protected function update_SERVERIfNeeded(Pico $pico, string $configDir)
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{
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$continue = true;
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$requestUrl = $this->extractRequestUrlFormQueryString();
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$data = [
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'page' => '',
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'rootPath' => '/',
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'baseFolder' => $configDir,
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'nbLevels' => 0
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];
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$this->extractFromRequestUrl($data,$configDir,$requestUrl,$continue)
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->extractFromScriptName($data,$configDir,$continue)
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->setUrl($data, $continue, $configDir, $pico);
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}
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/**
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* extract requestUrlFromQueryString
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* @return string $requestUrl
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*/
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protected function extractRequestUrlFormQueryString(): string
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{
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// use QUERY_STRING; e.g. /pico/?sub/page
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$pathComponent = isset($_SERVER['QUERY_STRING']) ? $_SERVER['QUERY_STRING'] : '';
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if ($pathComponent) {
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$pathComponent = strstr($pathComponent, '&', true) ?: $pathComponent;
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if (strpos($pathComponent, '=') === false) {
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return trim(rawurldecode($pathComponent), '/');
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}
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}
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return '';
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}
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/**
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* test if wanted requestUrl is found
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* @param array &$data
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* @param string $configDir
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* @param string $requestUrl
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* @param bool &$continue
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* @return self
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*
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* set continue = false if found
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*/
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protected function extractFromRequestUrl(array &$data, string $configDir, string $requestUrl, bool &$continue): self
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{
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if ($continue && !empty($requestUrl)){
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$supposedEndUrlForRewrite = $configDir.$requestUrl.'/index.php';
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$supposedEndUrlForNotRewrite = $configDir.'index.php';
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$matches = [];
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$configDirForMatch = preg_quote($configDir,'/');
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if ($this->isServerEndedBy($supposedEndUrlForRewrite,'SCRIPT_NAME')){
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$data['page'] = $requestUrl;
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$data['rootPath'] = substr($_SERVER['SCRIPT_NAME'],0,-strlen($supposedEndUrlForRewrite));
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$data['nbLevels'] = count(explode('/',$configDir.$requestUrl));
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$continue = false;
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} elseif ($this->isServerEndedBy($supposedEndUrlForNotRewrite,'SCRIPT_NAME')){
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$data['page'] = $requestUrl;
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$data['nbLevels'] = count(explode('/',$configDir)) -1;
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$data['rootPath'] = substr($_SERVER['SCRIPT_NAME'],0,-strlen($supposedEndUrlForNotRewrite));
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$continue = false;
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} elseif ($this->isServerEndedBy('index.php','SCRIPT_NAME') &&
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!preg_match("/^(.*)$configDirForMatch(.*)index.php$/",$_SERVER['SCRIPT_NAME'],$matches) &&
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!preg_match("/^(.*)\/sites\/(.*)index.php$/",$_SERVER['SCRIPT_NAME'],$matches)) {
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$data['page'] = $requestUrl;
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$data['nbLevels'] = 0;
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$data['rootPath'] = substr($_SERVER['SCRIPT_NAME'],0,-strlen('index.php'));
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$continue = false;
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}
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}
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return $this;
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}
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/**
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* test if SCRIPT_NAME contain url rewrite
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* @param array &$data
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* @param string $configDir
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* @param bool &$continue
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* @return self
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*
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* set continue = false if found
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*/
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protected function extractFromScriptName(array &$data, string $configDir, bool &$continue): self
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{
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if ($continue && !empty($_SERVER['SCRIPT_NAME']) && is_string($_SERVER['SCRIPT_NAME'])){
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$matches = [];
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$configDirForMatch = preg_quote($configDir,'/');
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if (preg_match("/^(.*)$configDirForMatch(.*)index.php$/",$_SERVER['SCRIPT_NAME'],$matches)){
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$rootPath = $matches[1];
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$requestUrl = !empty($matches[2]) ? (substr($matches[2],-1) == '/' ? substr($matches[2],0,-1) : $matches[2]) : '';
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}
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}
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return $this;
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}
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/**
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* set SERVER QUERY_STRING
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* @param array $data
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* @param bool $continue
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* @param string $configDir
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* @param Pico $pico
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* @return $this
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*/
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protected function setUrl(array $data, bool $continue, string $configDir, Pico $pico): self
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{
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$config = [
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'rewrite_url' => false,
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'themes_url' => self::THEMES_PATH,
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'plugins_url' => self::PLUGINS_PATH,
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];
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// SCRIPT_NAME
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$rootPath = (empty($data['rootPath']) || !is_string($data['rootPath'])) ? '/' : (
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(substr($data['rootPath'],-1) == '/')
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? $data['rootPath']
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: $data['rootPath'].'/'
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);
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$_SERVER['SCRIPT_NAME'] = $rootPath.$configDir.'index.php';
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$_SERVER['PHP_SELF'] = $_SERVER['SCRIPT_NAME'].($_SERVER['PATH_INFO'] ?? '');
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$_SERVER['DOCUMENT_URI'] = $_SERVER['PHP_SELF'];
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// QUERY_STRING
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$qString = isset($_SERVER['QUERY_STRING']) ? $_SERVER['QUERY_STRING'] : '';
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if (substr($qString,0,strlen($data['page'])+1)==$data['page'].'&'){
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$qString = substr($qString,strlen($data['page'])+1);
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} elseif ($qString == $data['page']){
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$qString = '';
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}
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if (!empty($data['page'])){
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$qString = $data['page'].(empty($qString) ? '' : "&$qString");
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}
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$_SERVER['QUERY_STRING'] = $qString;
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$_SERVER['REQUEST_URI'] = $_SERVER['DOCUMENT_URI'].(empty($_SERVER['QUERY_STRING'])?'':"?{$_SERVER['QUERY_STRING']}");
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//FILENAME
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$cwd = getcwd();
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$fn = str_replace('\\','/',realpath($cwd.'/'.$configDir.'index.php'));
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$_SERVER['SCRIPT_FILENAME'] = $fn;
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// config
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$config['rewrite_url'] = true;
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if ($nbLevels == 0){
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$nbLevels = 1;
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}
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$previous = implode('',array_fill(0,$nbLevels,'../'));
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$config['themes_url'] = $previous.$config['themes_url'];
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$config['plugins_url'] = $previous.$config['plugins_url'];
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$pico->setConfig($config);
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$dataJSON = json_encode(compact(['data','continue','configDir','pathComponent','qString','cwd','fn','config']));
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echo <<<HTML
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<script>
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console.log($dataJSON)
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</script>
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HTML;
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return $this;
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}
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/**
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* test if $_SERVER[$key] end by $wantedValue
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* @param string $wantedValue
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* @param string $key
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* @return bool
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*/
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protected function isServerEndedBy(string $wantedValue, string $key): bool
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{
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return (!empty($_SERVER[$key]) && is_string($_SERVER[$key]) && substr($_SERVER[$key],-strlen($wantedValue)) == $wantedValue);
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}
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} |