diff --git a/html/account/index.php b/html/account/index.php
index 52017a6e..efa43a65 100755
--- a/html/account/index.php
+++ b/html/account/index.php
@@ -1,4 +1,11 @@
 <?php
+
+if (isset($_SESSION['userID']) == false || empty($_SESSION['userID'])) {
+    header("Location: /login");
+    http_response_code(403);
+    die('Veuillez vous connecter dans <a href="/login">/login</a>');
+}
+
 require("../../include/variables.php");
 require("../../include/init.php");
 require("../../include/main-functions.php");
diff --git a/html/admin/index.php b/html/admin/index.php
index ed55fd9b..6a648bbb 100755
--- a/html/admin/index.php
+++ b/html/admin/index.php
@@ -1,4 +1,10 @@
 <?php
+
+if (!isset($_SESSION['userRole']) || $_SESSION['userRole'] < 50) {
+    http_response_code(403);
+    die("Vous n'êtes pas autorisé à accéder à cette ressource");
+}
+
 require("../../include/variables.php");
 require("../../include/init.php");
 require("../../include/main-functions.php");
@@ -6,11 +12,6 @@ require("../../include/objects.php");
 require("../../include/inputs.php");
 require("../../include/panels.php");
 
-if (!isset($_SESSION['userRole']) || $_SESSION['userRole'] < 50) {
-    http_response_code(403);
-    die("Vous n'êtes pas autorisé à accéder à cette ressource");
-}
-
 $pdo = sqlConnect($sqlDatabaseHost, $sqlDatabaseName, $sqlDatabaseUser, $sqlDatabasePass);
 
 if (isset($_POST['user-id']) && isset($_POST['user-role']) && isset($_POST['user-accreditation']) && empty($_POST['user-id']) == false) {
diff --git a/html/editor/index.php b/html/editor/index.php
index 0c38e212..e69c9ba3 100755
--- a/html/editor/index.php
+++ b/html/editor/index.php
@@ -1,4 +1,11 @@
 <?php
+
+if (!isset($_SESSION['userROle']) || $_SESSION['userRole'] < 1) {
+    header("Location: /login");
+    http_response_code(403);
+    die('Veuillez vous connecter dans <a href="/login">/login</a>');
+}
+
 require("../../include/variables.php");
 require("../../include/init.php");
 require("../../include/main-functions.php");
@@ -7,11 +14,6 @@ require("../../include/panels.php");
 
 $pdo = sqlConnect($sqlDatabaseHost, $sqlDatabaseName, $sqlDatabaseUser, $sqlDatabasePass);
 
-if ($_SESSION['userRole'] < 1) {
-    header("Location: login.php");
-    http_response_code(404);
-}
-
 // Getting article informations
 
 if (isset($_GET['article'])) {
diff --git a/html/login/index.php b/html/login/index.php
index 14a5cc56..44c7f2e8 100755
--- a/html/login/index.php
+++ b/html/login/index.php
@@ -1,4 +1,10 @@
 <?php
+
+if (isset($_SESSION['userID'])) {
+    header("Location: /");
+    die("Vous êtes déjà connecté.");
+}
+
 require("../../include/variables.php");
 require("../../include/init.php");
 require("../../include/main-functions.php");
@@ -7,11 +13,6 @@ require("../../include/panels.php");
 
 $pdo = sqlConnect($sqlDatabaseHost, $sqlDatabaseName, $sqlDatabaseUser, $sqlDatabasePass);
 
-if (isset($_SESSION['userID'])) {
-    header("Location: /");
-    die("Vous êtes déjà connecté.");
-}
-
 if (isset($_POST['username']) && isset($_POST['password'])) {
 
     if (empty($_POST['username']) == false && empty($_POST['password']) == false) {
diff --git a/html/login/register.php b/html/login/register.php
index 16aef1d6..cecfdf6c 100755
--- a/html/login/register.php
+++ b/html/login/register.php
@@ -1,4 +1,10 @@
 <?php
+
+if (isset($_SESSION['userID'])) {
+    header("Location: index.php");
+    die("Vous êtes déjà connecté");
+}
+
 require("../../include/variables.php");
 require("../../include/init.php");
 require("../../include/main-functions.php");
@@ -7,11 +13,6 @@ require("../../include/panels.php");
 
 $pdo = sqlConnect($sqlDatabaseHost, $sqlDatabaseName, $sqlDatabaseUser, $sqlDatabasePass);
 
-if (isset($_SESSION['userID'])) {
-    header("Location: index.php");
-    die("Vous êtes déjà connecté");
-}
-
 if (isset($_POST['username']) && isset($_POST['password1']) && isset($_POST['password2'])) {
     if(empty($_POST['username']) == false && empty($_POST['password1']) === false && empty($_POST['password2']) === false) {
         if(preg_match('!\S!u', $_POST['username']) && preg_match('!\S!u', $_POST['password1']) && preg_match('!\S!u', $_POST['password2'])) {
diff --git a/html/settings/deleteaccount.php b/html/settings/deleteaccount.php
index a6c33724..cb771bca 100755
--- a/html/settings/deleteaccount.php
+++ b/html/settings/deleteaccount.php
@@ -1,4 +1,11 @@
 <?php
+
+if (isset($_SESSION['userID']) == false || empty($_SESSION['userID'])) {
+    header("Location: /login");
+    http_response_code(403);
+    die('Veuillez vous connecter dans <a href="/login">/login</a>');
+}
+
 require("../../include/variables.php");
 require("../../include/init.php");
 require("../../include/main-functions.php");
@@ -6,11 +13,6 @@ require("../../include/panels.php");
 
 $pdo = sqlConnect($sqlDatabaseHost, $sqlDatabaseName, $sqlDatabaseUser, $sqlDatabasePass);
 
-if (!isset($_SESSION['userID'])) {
-    header("Location: /login");
-    http_response_code(403);
-}
-
 if (isset($_POST['delete-account']) && $_POST['delete-account'] == "delete-account") {
     $sqlRequest = "DELETE FROM users WHERE ID = :userID";
     $request = $pdo->prepare($sqlRequest);
diff --git a/html/settings/index.php b/html/settings/index.php
index f3bf8a7c..d03e0934 100755
--- a/html/settings/index.php
+++ b/html/settings/index.php
@@ -1,4 +1,11 @@
 <?php
+
+if (isset($_SESSION['userID']) == false || empty($_SESSION['userID'])) {
+    header("Location: /login");
+    http_response_code(403);
+    die('Veuillez vous connecter dans <a href="/login">/login</a>');
+}
+
 require("../../include/variables.php");
 require("../../include/init.php");
 require("../../include/main-functions.php");
@@ -7,11 +14,6 @@ require("../../include/panels.php");
 
 $pdo = sqlConnect($sqlDatabaseHost, $sqlDatabaseName, $sqlDatabaseUser, $sqlDatabasePass);
 
-if (!isset($_SESSION['userID'])) {
-    header("Location: /login");
-    http_response_code(403);
-}
-
 if (isset($_POST['username']) && isset($_POST['email'])) {
     if(empty($_POST['username']) == false) {
         if(preg_match('!\S!u', $_POST['username']) && preg_match('!\S!u', $_POST['email'])) {
diff --git a/html/upload/index.php b/html/upload/index.php
index 10161554..0be9c759 100755
--- a/html/upload/index.php
+++ b/html/upload/index.php
@@ -1,4 +1,11 @@
 <?php
+
+if ($_SESSION['userRole'] < 1) {
+    header("Location: /login");
+    http_response_code(403);
+    die('Veuillez vous connecter dans <a href="/login">/login</a>');
+}
+
 require("../../include/variables.php");
 require("../../include/init.php");
 require("../../include/main-functions.php");
@@ -7,11 +14,6 @@ require("../../include/panels.php");
 
 $pdo = sqlConnect($sqlDatabaseHost, $sqlDatabaseName, $sqlDatabaseUser, $sqlDatabasePass);
 
-if ($_SESSION['userRole'] < 1) {
-    header("Location: login.php");
-    http_response_code(404);
-}
-
 if(isset($_POST['article-content']) && isset($_POST['classification'])) {
     $sqlRequest = "SELECT ID FROM articles WHERE ID >= 1 ORDER BY ID DESC LIMIT 1";
     $request = $pdo->prepare($sqlRequest);