function wms_proxy($contexteId)
{
global $app;
$httprequest = new Phalcon\Http\Request();
$httprequest->setDI($app->getDI());
//Possible sanitize filters: string, email, int, float, alphanum, striptags, trim, lower, upper
$filter = new \Phalcon\Filter();
if ($httprequest->isGet() || $httprequest->isPost()) {
$datain = $httprequest->get();
$data = array();
foreach ($datain as $key => $value) {
$data[strtoupper($key)] = $value;
}
$service = $filter->sanitize($data["SERVICE"], array("string", "upper"));
$request = $filter->sanitize($data["REQUEST"], array("string", "upper"));
} else {
// TODO : Gérer l'erreur, on ne peut appeler un service wms en put ou en delete.
error_log("not a get or a post?");
return;
}
error_log("service: {$service}, request: {$request}");
if ($service === "WMS") {
$config = $app->getDI()->get("config");
$mapserver = $config['mapserver']['host'] . $config['mapserver']['mapserver_path'] . $config['mapserver']['executable'];
$contexte = IgoContexte::findFirst("id='{$contexteId}'");
$map = $config['mapserver']['mapfileCacheDir'] . $config['mapserver']['contextesCacheDir'] . $contexte->code . ".map";
$method = $httprequest->getMethod();
$data = $httprequest->get();
$data["MAP"] = $map;
$response = null;
switch ($request) {
case "GETCAPABILITIES":
$response = proxy_request($mapserver, $data, $method);
// Devrait-on enlever les couches non permises en lecture de la réponse.? C'est probablement trop complexe...
break;
case "GETMAP":
case "GETFEATUREINFO":
case "DESCRIBELAYER":
case "GETLEGENDGRAPHIC":
$authentificationModule = obtenirAuthentificationModule();
if ($authentificationModule === null) {
$response = proxy_request($mapserver, $data, $method);
} else {
if (isset($data["LAYERS"])) {
$couches = explode(",", $data["LAYERS"]);
} else {
$couches = explode(",", $data["LAYER"]);
}
foreach ($couches as $couche) {
$igoVueContexteCoucheNavigateur = IgoVueContexteCoucheNavigateur::findFirst("mf_layer_name='{$couche}'");
$coucheContexte = array($igoVueContexteCoucheNavigateur);
if ($igoVueContexteCoucheNavigateur === false) {
$coucheContexte = IgoVueContexteCoucheNavigateur::find("mf_layer_group='{$couche}' and contexte_id='{$contexteId}'");
}
if (count($coucheContexte) === 0) {
// L'utilisateur essaie d'appeler la couche root du mapfile qui consiste à toutes les couches.
// Nous interdissons ce type d'appels pour le moment.
die("Forbidden");
}
$estPermis = false;
foreach ($coucheContexte as $igoVueContexteCoucheNavigateur) {
$permission = obtenirPermission($igoVueContexteCoucheNavigateur->couche_id);
if ($permission !== null && $permission->est_lecture) {
$estPermis = true;
break;
}
}
if (!$estPermis) {
die("Forbidden");
}
}
$response = proxy_request($mapserver, $data, $method);
}
break;
default:
break;
}
$headerArray = explode("\r\n", $response["header"]);
foreach ($headerArray as $headerLine) {
header($headerLine);
}
echo $response["content"];
} else {
die("Seul les services WMS sont pris en charge par ce proxy.");
}
}
public function contexteAction($code)
{
$this->definirVariablesCommunes();
$this->view->setVar("titre", "Navigateur");
if (isset($this->getDi()->getConfig()->configurations["defaut"])) {
$xmlPath = $this->getDi()->getConfig()->configurations["defaut"];
} else {
$xmlPath = $this->getDi()->getConfig()->configurationsDir . "defaut" . '.xml';
}
$filemtime = filemtime($xmlPath);
$this->view->setVar("configuration", "defaut?v={$filemtime}");
$this->view->setVar("couche", "null");
$type = "id";
if (!is_numeric($code)) {
$type = "code";
$contexte = IgoContexte::findFirst("{$type}='{$code}'");
} else {
$contexte = IgoContexte::findFirst("{$type}={$code}");
}
$this->view->setVar("contexteCode", "null");
$this->view->setVar("contexteId", "null");
if ($contexte) {
$this->view->setVar("contexte" . ucfirst($type), $code . "?v=" . md5($contexte->date_modif));
} else {
$this->view->setVar("avertissement", "Le contexte avec le {$type}:{$code} n'existe pas");
}
}
public function deleteAction($id, $r_controller = null, $r_action = null, $r_id = null)
{
$igoContexte = IgoContexte::findFirst($id);
$mapServerConfig = $this->getDI()->getConfig()->mapserver;
$fileName = $mapServerConfig->mapfileCacheDir . $mapServerConfig->contextesCacheDir . $igoContexte->code . ".map";
if (file_exists($fileName)) {
unlink($fileName);
}
parent::deleteAction($id, $r_controller, $r_action, $r_id);
}
