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site/accesBase.php 7.56 KB
19ae2416   jnduwamu   MAJ du site
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  <?php

  	function connexion()

  	{

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  		$machine = 'localhost' ;

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  		$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)

  	{

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  		//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;

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  		$name = "binaire";

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  		$extension_upload = strtolower(  substr(  strrchr($_FILES['fichier']['name'], '.')  ,1)  );

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  		$dossier = "upload/";

  		$fichier = $name.".".$extension_upload;

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  		//$fichier = basename($_FILES[$index]['name']);

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  		return move_uploaded_file($_FILES['fichier']['tmp_name'],$dossier.$fichier);

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  	}

  

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  	function load($tmp_name, $name)

  	{

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  		$dossier = "upload/";

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  		$fichier = "binaire.c";

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  		$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;

  	}

  

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  	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);

  	}

  

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  	function update_bdd($ip_address, $numero, $data, $date)

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  	{

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  		$name = getSensorName($ip_address, $numero);

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  		$db = connexion();

  		$ip_address = (string)$ip_address;

  		$numero = (int)$numero;

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  		$data =  (float)$data;

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  		$query = "UPDATE capteurs SET value=$data WHERE raspberry='$ip_address' and numero=$numero and nom='$name'";

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  		$result = pg_query($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;

  	}

  

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  	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'];

  	}

  

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  	function getSensorVersion($raspberry, $numero)

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  	{

  		$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);

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  		return (int)$tab['version'];

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  	}

  

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  	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;

  			}

  		}

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  	}

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  ?>