accesBase.php
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<?php
function connexion()
{
$machine = 'localhost' ;
$user='grouille' ;
$pwd='postgres' ;
$db='projetCapteurs' ;
$link = pg_connect("host=$machine user=$user password=$pwd dbname=$db") or die('Erreur de Connection !<br />'.pg_last_error()) ;
return $link ;
}
function deconnexion($db)
{
pg_close($db);
}
function verifPwd($id, $pwd)
{
$db = connexion();
$query = "SELECT pwd FROM membres WHERE identifiant = '$id'";
$result = pg_query($db, $query) or die("La requête a echoué : ".pg_last_error());
$pass = pg_fetch_assoc($result);
deconnexion($db);
return(password_verify($pwd, $pass['pwd']));
}
function notAMember($id)
{
$db = connexion();
$query = "SELECT * FROM membres WHERE identifiant = '$id'";
$result = pg_query($db, $query) or die("La requête a echoué : ".pg_last_error());
if (pg_affected_rows($result)!=0){
return False;
}
else{
return True;
}
}
function countMember()
{
$db = connexion();
$query = "SELECT * FROM membres";
$result = pg_query($db, $query) or die("La requête a echoué : ".pg_last_error());
return pg_affected_rows($result);
}
function inscription($id, $pwd, $nom, $prenom)
{
$db = connexion();
$num = countMember() +1;
$pwd_hache = password_hash($pwd, PASSWORD_DEFAULT);
$query = "INSERT INTO membres VALUES('$num', '$nom', '$prenom', '$pwd_hache', '$id')";
$result = pg_query($db, $query) or die("La requête a echoué : ".pg_last_error());
if (pg_affected_rows($result)!=0){
return True;
}
else{
return False;
}
}
function getMembreByIdPwd($id, $pwd)
{
$db = connexion();
$query = "SELECT nom, prenom, pwd FROM membres WHERE identifiant = '$id'";
$result = pg_query($db, $query) or die("La requête a echoué : ".pg_last_error());
$tab = pg_fetch_assoc($result);
if(password_verify($pwd, $tab['pwd']))
return $tab;
}
function getSensors()
{
$db = connexion();
$query = "SELECT * FROM capteurs";
$result = pg_query($db, $query) or die("La requête a echoué : ".pg_last_error());
$tab = pg_fetch_all($result);
return $tab;
}
function upload($index,$maxsize=FALSE,$extensions=FALSE)
{
//Test1: fichier correctement uploadé
if (!isset($_FILES[$index]) OR $_FILES[$index]['error'] > 0) return FALSE;
//Test2: taille limite
if ($maxsize !== FALSE AND $_FILES[$index]['size'] > $maxsize) return FALSE;
//Test3: extension
$ext = substr(strrchr($_FILES[$index]['name'],'.'),1);
if ($extensions !== FALSE AND !in_array($ext,$extensions)) return FALSE;
$name = "binaire";
$extension_upload = strtolower( substr( strrchr($_FILES['fichier']['name'], '.') ,1) );
$dossier = "upload/";
$fichier = $name.".".$extension_upload;
//$fichier = basename($_FILES[$index]['name']);
return move_uploaded_file($_FILES['fichier']['tmp_name'],$dossier.$fichier);
}
function load($tmp_name, $name)
{
$dossier = "IMA3_P10/site/upload/";
$fichier = "binaire.c";
$taille_max = 100000;
$taille = filesize($tmp_name);
$extensions = Array('.c');
$extension = strrchr($name, '.');
if(in_array($extension, $extensions) && taille <= taille_max)
{
return move_uploaded_file($tmp_name, $dossier.$fichier);
}
return False;
}
function update_values()
{
$rep = 'data';
$fichiers = array_diff(scandir($rep), array('..', '.'));
$db = connexion();
foreach($fichiers as $fichier) {
$parametres = simplexml_load_file('data/'.$fichier);
list($ip_address) = $parametres->xpath("parametre[@name='ip_address']");
list($numero) = $parametres->xpath("parametre[@name='numero']");
list($name) = $parametres->xpath("parametre[@name='name']");
list($data) = $parametres->xpath("parametre[@name='data']");
$query = "UPDATE capteurs SET value='$data' WHERE raspberry='$ip_address' and numero='$numero' and nom='$name'";
$result = pg_query($db, $query) or die("La requête a echoué : ".pg_last_error());
}
deconnexion($db);
}
function update_bdd($ip_address, $numero, $data, $date)
{
$name = getSensorName($ip_address, $numero);
$db = connexion();
$ip_address = (string)$ip_address;
$numero = (int)$numero;
$data = (float)$data;
$query = "UPDATE capteurs SET value=$data WHERE raspberry='$ip_address' and numero=$numero and nom='$name'";
$result = pg_query($db, $query) or die("La requête a echoué : ".pg_last_error());
$query = "INSERT INTO history VALUES('$name', '$data', '$date')";
$result = pg_query($db, $query) or die("La requête a echoué : ".pg_last_error());
deconnexion($db);
}
function date_min()
{
$db = connexion();
$query = "SELECT MIN(date) FROM history";
$result = pg_query($db, $query) or die("La requête a echoué : ".pg_last_error());
$min = pg_fetch_assoc($result);
return $min;
}
function date_max()
{
$db = connexion();
$query = "SELECT MAX(date) FROM history";
$result = pg_query($db, $query) or die("La requête a echoué : ".pg_last_error());
$max = pg_fetch_assoc($result);
return $max;
}
function getHistory($name, $type, $raspberry, $start, $end, $nombre)
{
$db = connexion();
$query = "SELECT capteurs.nom as name, capteurs.raspberry as raspberry, capteurs.type as type, history.value as value, history.date as date, capteurs.unite as unite ";
$query = $query."FROM capteurs, history ";
$query = $query."WHERE capteurs.nom = history.sensor ";
if($name != "") $query = $query."AND history.sensor = '$name' ";
if($type != "") $query = $query."AND capteurs.type = '$type' ";
if($raspberry != "") $query = $query."AND capteurs.raspberry = '$raspberry' ";
$query = $query."AND (history.date BETWEEN '$start' AND '$end') ORDER BY date DESC LIMIT $nombre";
$result = pg_query($db, $query) or die("La requête a echoué : ".pg_last_error());
$tab = pg_fetch_all($result);
deconnexion($db);
return $tab;
}
function get($parametre)
{
$db = connexion();
$query = "SELECT DISTINCT $parametre from capteurs ORDER BY $parametre";
$result = pg_query($db, $query) or die("La requête a echoué : ".pg_last_error());
$tab = pg_fetch_all($result);
deconnexion($db);
return $tab;
}
function getSensorName($raspberry, $numero)
{
$db = connexion();
$query = "SELECT nom FROM capteurs where raspberry = '$raspberry' AND numero = $numero";
$result = pg_query($db, $query) or die("La requ te a echou : ".pg_last_error());
$tab = pg_fetch_assoc($result);
deconnexion($db);
return $tab['nom'];
}
function getSensorVersion($raspberry, $numero)
{
$db = connexion();
$query = "SELECT version FROM capteurs where raspberry = '$raspberry' AND numero = $numero";
$result = pg_query($db, $query) or die("La requète a echoué : ".pg_last_error());
$tab = pg_fetch_assoc($result);
deconnexion($db);
return (int)$tab['version'];
}
function add($nom, $type, $raspberry, $numero, $unite)
{
$db = connexion();
$query = "SELECT * FROM capteurs WHERE nom = '$nom' OR (raspberry = '$raspberry' AND numero = '$numero')";
$result = pg_query($db, $query) or die("La requête a echoué : ".pg_last_error());
if (pg_affected_rows($result)!=0){
return False;
}
else
{
$query = "INSERT INTO capteurs VALUES($numero, '$nom', '$raspberry', '$type', 0, '$unite')";
$result = pg_query($db, $query) or die("La requête a echoué : ".pg_last_error());
if (pg_affected_rows($result)!=0){
return True;
}
else{
return False;
}
}
}
?>