From 40be40db926f6a305a1d989a9dd5af35e22dcf4f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bruno=20Ryb=C3=A1rsky?= <bruno@brn.systems>
Date: Fri, 9 Jun 2023 22:06:13 +0200
Subject: [PATCH] add some failsafes

---
 admin/api.php |  9 +++++++++
 index.php     | 10 +++++++++-
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/admin/api.php b/admin/api.php
index 6d66327..9bbb386 100644
--- a/admin/api.php
+++ b/admin/api.php
@@ -14,6 +14,9 @@ if (!empty($action)){
 
     if ($action == "get"){
         if ($_POST["password"] == $config["admin_pwd"]){
+            if(!file_exists("../data/pageindex.json")){
+                file_put_contents("../data/pageindex.json", "{}");
+            }
             $stranky = json_decode(file_get_contents("../data/pageindex.json"), true);
             $out = "<table><tbody><tr><th>ID</th><th>Content ID</th><th>Nickname</th><th>Button</th></tr>";
             foreach($stranky as $idx => $arr) {
@@ -46,6 +49,9 @@ if (!empty($action)){
     }
 
     if ($action == "getcontent"){
+        if(!file_exists("../data/contents.json")){
+            file_put_contents("../data/contents.json", "{}");
+        }
         if ($_POST["password"] == $config["admin_pwd"]){
             $contents = json_decode(file_get_contents("../data/contents.json"), true);
             $out = "<table><tbody><tr><th>Content ID</th><th>Content</th><th>Button</th></tr>";
@@ -77,6 +83,9 @@ if (!empty($action)){
     }
 
     if ($action == "getlog"&& !empty($_POST["id"])){
+        if(!file_exists("../data/logs.json")){
+            file_put_contents("../data/logs.json", "{}");
+        }
         if ($_POST["password"] == $config["admin_pwd"]){
             $logy = json_decode(file_get_contents("../data/logs.json"), true)[$_POST["id"]];
             $out = "<table><tbody><tr><th>Action</th><th>Date and Time</th><th>Nickname</th><th>Link</th><th>IP</th></tr>";
diff --git a/index.php b/index.php
index 3d77fca..ded7785 100644
--- a/index.php
+++ b/index.php
@@ -10,6 +10,14 @@ if (!empty($idcko)){
         file_put_contents("data/logs.json", "{}");
     }
 
+    if(!file_exists("data/pageindex.json")){
+        file_put_contents("data/pageindex.json", "{}");
+    }
+
+    if(!file_exists("data/contents.json")){
+        file_put_contents("data/contents.json", "{}");
+    }
+
     $stranky = json_decode(file_get_contents("data/pageindex.json"), true);
     $contents = json_decode(file_get_contents("data/contents.json"), true);
     $logs = json_decode(file_get_contents("data/logs.json"), true);
@@ -20,7 +28,7 @@ if (!empty($idcko)){
     if(array_key_exists($idcko, $stranky)){
 
         $entry = $stranky[$idcko];
-        
+
         if (!array_key_exists($entry["contentid"], $contents)){
             die("Faulty link");
         }