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<?php
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// declare(encoding='UTF-8');
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/**
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* Contexte permet d'encapsuler les super globales et de définir le contexte du web service courrant.
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*
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* @category DEL
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* @package Services
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* @package Bibliotheque
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* @version 0.1
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* @author Mathias CHOUET <mathias@tela-botanica.org>
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* @author Jean-Pascal MILCENT <jpm@tela-botanica.org>
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* @author Aurelien PERONNET <aurelien@tela-botanica.org>
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* @license GPL v3 <http://www.gnu.org/licenses/gpl.txt>
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* @license CECILL v2 <http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt>
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* @copyright 1999-2014 Tela Botanica <accueil@tela-botanica.org>
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*/
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class Contexte {
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private $conteneur;
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private $get;
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private $getBrut;
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private $post;
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private $session;
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private $cookie;
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private $server;
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private $urlRessource;
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private $mapping = array('getPhp' => 'get',
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'getQS' => 'getBrut',
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'getPost' => 'post',
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'getServer' => 'server',
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'getSession' => 'session',
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'getCookie' => 'cookie',
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'getRessource' => 'urlRessource',
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'setCookie' => 'cookie');
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public function __construct($conteneur, &$server, &$get, &$post, &$session, &$cookie) {
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$this->conteneur = $conteneur == null ? new Conteneur() : $conteneur;
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$this->server = $server;
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$this->get = $this->nettoyerParametres($get);
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$this->getBrut = $this->recupererParametresBruts();
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$this->post = $post;
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$this->session = $session;
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$this->cookie = $cookie;
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$this->urlRessource = $this->decouperUrlChemin();
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}
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public function __call($nom, $arguments) {
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if (!isset($this->mapping[$nom])) {
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$msg = "La méthode $nom n'existe pas dans l'objet {get_class()}";
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throw new Exception($msg, RestServeur::HTTP_CODE_ERREUR);
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}
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$attributNom = $this->mapping[$nom];
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$data = $this->$attributNom;
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if (substr($nom, 0, 3) == 'get') {
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$cle = isset($arguments[0]) ? $arguments[0] : null;
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return $this->getGenerique($data, $cle);
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} else if (substr($nom, 0, 3) == 'set') {
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$cle = isset($arguments[0]) ? $arguments[0] : null;
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$valeur = isset($arguments[1]) ? $arguments[1] : null;
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return $this->setGenerique($data, $cle, $valeur);
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}
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}
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private function getGenerique($data, $cle) {
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$retour = null;
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if ($cle === null) {
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$retour = $data;
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} else if (isset($data[$cle])) {
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$retour = $data[$cle];
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}
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return $retour;
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}
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private function setGenerique($data, $cle, $valeur) {
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if ($valeur === null) {
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unset($data[$cle]);
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} else {
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$data[$cle] = $valeur;
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}
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}
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private function nettoyerParametres(Array $parametres) {
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// Pas besoin d'utiliser urldecode car déjà fait par php pour les clés et valeur de $_GET
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if (isset($parametres) && count($parametres) > 0) {
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foreach ($parametres as $cle => $valeur) {
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// les quotes, guillements et points-virgules ont été retirés des caractères à vérifier car
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//ça n'a plus lieu d'être maintenant que l'on utilise protéger à peu près partout
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$verifier = array('NULL', "\\", "\x00", "\x1a");
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$parametres[$cle] = strip_tags(str_replace($verifier, '', $valeur));
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}
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}
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return $parametres;
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}
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private function recupererParametresBruts() {
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$parametres_bruts = array();
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if (isset($this->server['QUERY_STRING']) && !empty($this->server['QUERY_STRING'])) {
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$paires = explode('&', $this->server['QUERY_STRING']);
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foreach ($paires as $paire) {
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$nv = explode('=', $paire);
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$nom = urldecode($nv[0]);
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$valeur = urldecode($nv[1]);
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$parametres_bruts[$nom] = $valeur;
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}
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$parametres_bruts = $this->nettoyerParametres($parametres_bruts);
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}
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return $parametres_bruts;
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}
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private function decouperUrlChemin() {
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if (isset($this->server['REDIRECT_URL']) && $this->server['REDIRECT_URL'] != '') {
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if (isset($this->server['REDIRECT_QUERY_STRING']) && !empty($this->server['REDIRECT_QUERY_STRING'])) {
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$url = $this->server['REDIRECT_URL'].'?'.$this->server['REDIRECT_QUERY_STRING'];
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} else {
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$url = $this->server['REDIRECT_URL'];
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}
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} else {
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$url = $this->server['REQUEST_URI'];
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}
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$tailleQueryString = strlen($this->server['QUERY_STRING']);
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$tailleURL = ($tailleQueryString == 0) ? strlen($url) : -($tailleQueryString + 1);
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$urlChaine = '';
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if (strpos($url, $this->conteneur->getParametre('serveur.baseURL')) !== false) {
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$urlChaine = substr($url, strlen($this->conteneur->getParametre('serveur.baseURL')), $tailleURL);
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} else if (strpos($url, $this->conteneur->getParametre('serveur.baseAlternativeURL')) !== false) {
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$urlChaine = substr($url, strlen($this->conteneur->getParametre('serveur.baseAlternativeURL')), $tailleURL);
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}
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return explode('/', $urlChaine);
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}
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}
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