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<?php
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//+----------------------------------------------------------------------------------------------------------------+
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// GESTION DE L'IDENTIFICATION
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Class ControleUtilisateur extends JRestService {
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private function envoyerMessageNonAutorise() {
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header('HTTP/1.0 401 Unauthorized');
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echo 'Accès interdit';
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exit(0);
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}
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private function envoyerAuth($message_accueil, $message_echec) {
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header('HTTP/1.0 401 Unauthorized');
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header('WWW-Authenticate: Basic realm="www.obs-saisons.fr"');
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header('Content-type: text/plain; charset=UTF-8');
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print $message_echec;
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exit(0);
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}
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protected function getAuthIdentifiant() {
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$id = (isset($_SERVER['PHP_AUTH_USER'])) ? $_SERVER['PHP_AUTH_USER'] : null;
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return $id;
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}
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protected function getAuthMotDePasse() {
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$mdp = (isset($_SERVER['PHP_AUTH_PW'])) ? $_SERVER['PHP_AUTH_PW'] : null;
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return $mdp;
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}
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public function authentifierAdmin() {
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$message_accueil = "Veuillez vous identifier avec votre compte Observatoire des saisons.";
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$message_echec = "Accès limité aux administrateurs de l'ods.\n".
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"Votre tentative d'identification a échoué.\n".
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"Actualiser la page pour essayer à nouveau si vous êtes bien inscrit comme administrateur.";
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return $this->authentifier($message_accueil, $message_echec, 'Admin');
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}
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private function authentifier($message_accueil, $message_echec, $type) {
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$id = $this->getAuthIdentifiant();
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if (!isset($id)) {
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$this->envoyerAuth($message_accueil, $message_echec);
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} else {
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$methodeAutorisation = "etre{$type}Autorise";
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$autorisation = $this->$methodeAutorisation();
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if ($autorisation == false) {
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$this->envoyerAuth($message_accueil, $message_echec);
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}
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}
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return true;
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}
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public function etreUtilisateurAutorise() {
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$identifiant = $this->getAuthIdentifiant();
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$mdp = md5($this->getAuthMotDePasse());
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$requete = 'SELECT COUNT(*) as existe FROM drupal_users du '.
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'WHERE name = '.$this->proteger($identifiant).' '.
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'AND pass = '.$this->proteger($mdp);
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$existe = $this->executerRequete($requete);
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$autorisation = (!empty($existe) && $existe['existe'] > 0) ? true :false;
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return $autorisation;
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}
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public function etreAdminAutorise() {
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$identifiant = $this->getAuthIdentifiant();
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$mdp = md5($this->getAuthMotDePasse());
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$requete = 'SELECT COUNT(*) as existe FROM drupal_users du '.
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'INNER JOIN drupal_users_roles dur '.
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'ON du.uid = dur.uid '.
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'WHERE name = '.$this->proteger($identifiant).' '.
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'AND pass = '.$this->proteger($mdp).' '.
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'AND rid = 3 ';
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$existe = $this->executerRequete($requete);
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$autorisation = (!empty($existe) && $existe[0]['existe'] > 0) ? true :false;
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return $autorisation;
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}
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public function controleAppelIpAutorisee() {
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$ips_autorisees = explode(',', $this->config['jrest_admin']['ip_autorisees']);
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$ip_appelante = $_SERVER['REMOTE_ADDR'];
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if(!in_array($ip_appelante, $ips_autorisees) && $ip_appelante != $_SERVER['SERVER_ADDR']) {
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$this->envoyerMessageNonAutorise();
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}
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return true;
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}
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}
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?>
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