Resolve "Implement Method for Changing the member key"

Closes #1122 (closed)

app/Http/Controllers/KeyController.php

@@ -6,37 +6,31 @@ use Cookie;
 use Illuminate\Http\Request;
 use LaravelLocalization;
 use \App\Models\Key;
+use \Carbon\Carbon;
+use Validator;
 
 class KeyController extends Controller
 {
-    public function index(Request $request)
-    {
-        $redirUrl = $request->input('redirUrl', "");
-        $cookie = Cookie::get('key');
-        $key = $request->input('keyToSet', '');
-
-        if (empty($key) && empty($cookie)) {
-            $key = 'enter_key_here';
-        } elseif (empty($key) && !empty($cookie)) {
-            $key = $cookie;
-        } elseif (!empty($key)) {
-            $key = $request->input('key');
-        }
+    // How many Ad Free searches should a user get max when he creates a new key
+    const KEYCHANGE_ADFREE_SEARCHES = 150;
 
+    public function index(\App\Models\Key $key, Request $request)
+    {
         $cookieLink = LaravelLocalization::getLocalizedURL(LaravelLocalization::getCurrentLocale(), route('loadSettings', Cookie::get()));
         return view('key')
             ->with('title', trans('titles.key'))
-            ->with('cookie', $key)
+            ->with('keystatus', $key->getStatus())
+            ->with('cookie', $key->key)
             ->with('cookieLink', $cookieLink);
     }
 
     public function setKey(Request $request)
     {
-        $redirUrl = $request->input('redirUrl', "");
         $keyToSet = $request->input('keyToSet');
         $key = new Key($request->input('keyToSet', ''));
 
-        if ($key->getStatus()) {
+        $status = $key->getStatus();
+        if ($status !== null) {
             # Valid Key
             $host = $request->header("X_Forwarded_Host", "");
             if (empty($host)) {
@@ -46,10 +40,7 @@ class KeyController extends Controller
             $settings = Cookie::get();
             $settings['key'] = $keyToSet;
             $cookieLink = LaravelLocalization::getLocalizedURL(LaravelLocalization::getCurrentLocale(), route('loadSettings', $settings));
-            return view('key')
-                ->with('title', trans('titles.key'))
-                ->with('cookie', $keyToSet)
-                ->with('cookieLink', $cookieLink);
+            return redirect(LaravelLocalization::getLocalizedURL(LaravelLocalization::getCurrentLocale(), route('keyindex')));
         } else {
             $cookieLink = LaravelLocalization::getLocalizedURL(LaravelLocalization::getCurrentLocale(), route('loadSettings', Cookie::get()));
             return view('key')
@@ -74,4 +65,152 @@ class KeyController extends Controller
             return redirect($url);
         }
     }
+
+    public function changeKeyIndex(\App\Models\Key $key, Request $request){
+        if(!$key->canChange()){
+            return redirect(LaravelLocalization::getLocalizedURL(LaravelLocalization::getCurrentLocale(), route('keyindex')));
+        }
+        return view('keychange', [
+            "title" => trans('titles.keychange'),
+            "key" => $key->key,
+            "css" => [mix('css/keychange/index.css')]
+            ]);
+    }
+
+    public function removeCurrent(\App\Models\Key $key, Request $request){
+        if(!$key->canChange()){
+            return redirect(LaravelLocalization::getLocalizedURL(LaravelLocalization::getCurrentLocale(), route('keyindex')));
+        }
+        // Reduce Current Key
+        $res = $key->reduce(self::KEYCHANGE_ADFREE_SEARCHES);
+        if(empty($res) || empty($res->status) || $res->status !== "success"){
+            return redirect(LaravelLocalization::getLocalizedURL(LaravelLocalization::getCurrentLocale(), route('keyindex')));
+        }
+        // Redirect to Cookie Remove URL with redirect to step two
+        $validUntil = Carbon::now("Europe/London")->addDays(2);
+        $format = "Y-m-d H:i:s";
+        $data = [
+            "validUntil" => $validUntil->format($format),
+            "password" => hash_hmac("sha256", $validUntil->format($format), env("APP_KEY", "WEAK_KEY")),
+        ];
+        $targetUrl = LaravelLocalization::getLocalizedURL(LaravelLocalization::getCurrentLocale(), route('changeKeyTwo', $data));
+        $redirUrl = LaravelLocalization::getLocalizedURL(LaravelLocalization::getCurrentLocale(), route('removeCookie', [
+            "ir" => $targetUrl
+        ]));
+        return redirect($redirUrl);
+    }
+
+    public function generateNew(\App\Models\Key $key, Request $request){
+        // Validate Request Data
+        $validUntil = $request->input('validUntil', '');
+        $password = $request->input('password', '');
+        $format = "Y-m-d H:i:s";
+
+        // Check if Validuntil
+        $valid = true;
+        if(empty($validUntil)){
+            $valid = false;
+        }else{
+            $validUntil = Carbon::createFromFormat($format, $validUntil, "Europe/London");
+            if(!$validUntil){
+                $valid = false;
+            }
+        }
+
+        if($valid && Carbon::now()->diffInSeconds($validUntil) <= 0){
+            $valid = false;
+        }
+        if($valid){
+            // Check if hash matches
+            $expectedHash = hash_hmac("sha256", $validUntil->format($format), env("APP_KEY", "WEAK_KEY"));
+            if(!hash_equals($expectedHash, $password)){
+                $valid = false;
+            }
+        }
+        if(!$valid){
+            return redirect(LaravelLocalization::getLocalizedURL(LaravelLocalization::getCurrentLocale(), route('keyindex')));
+        }
+
+        // Check if the key already was generated
+        if (!$key->checkForChange("", $password)) {
+            return redirect(LaravelLocalization::getLocalizedURL(LaravelLocalization::getCurrentLocale(), route('keyindex')));
+        }
+
+
+        return view('keychangetwo', [
+            "title" => trans('titles.keychange'),
+            "validUntil" => $validUntil,
+            "css" => [mix('css/keychange/index.css')]
+        ]);
+
+    }
+
+    public function generateNewPost(\App\Models\Key $key, Request $request){
+        // Validate Request Data
+        $validUntil = $request->input('validUntil', '');
+        $password = $request->input('password', '');
+        $format = "Y-m-d H:i:s";
+
+        // Check if Validuntil
+        $valid = true;
+        if(empty($validUntil)){
+            $valid = false;
+        }else{
+            $validUntil = Carbon::createFromFormat($format, $validUntil, "Europe/London");
+            if(!$validUntil){
+                $valid = false;
+            }
+        }
+
+        if($valid && Carbon::now()->diffInSeconds($validUntil) <= 0){
+            $valid = false;
+        }
+        if($valid){
+            // Check if hash matches
+            $expectedHash = hash_hmac("sha256", $validUntil->format($format), env("APP_KEY", "WEAK_KEY"));
+            if(!hash_equals($expectedHash, $password)){
+                $valid = false;
+            }
+        }
+        if(!$valid){
+            return redirect(LaravelLocalization::getLocalizedURL(LaravelLocalization::getCurrentLocale(), route('keyindex')));
+        }
+
+        $validator = Validator::make($request->all(), [
+            'newkey' => 'required|min:4|max:20',
+        ]);
+        if($validator->fails()) {
+            $data = [
+                "validUntil" => $validUntil->format($format),
+                "password" => hash_hmac("sha256", $validUntil->format($format), env("APP_KEY", "WEAK_KEY")),
+                "newkey" => $request->input('newkey', ''),
+            ];
+            $targetUrl = LaravelLocalization::getLocalizedURL(LaravelLocalization::getCurrentLocale(), route('changeKeyTwo', $data));
+            return redirect($targetUrl);
+        }
+
+        $newkey = $request->input('newkey', '');
+        
+        $characters = '0123456789abcdefghijklmnopqrstuvwxyz';
+        $randomSuffix = "";
+        $suffixCount = 3;
+        for($i = 0; $i < $suffixCount; $i++){
+            $randomSuffix .= $characters[rand(0, strlen($characters)-1)];
+        }
+        $newkey = $newkey . $randomSuffix;
+
+        if($key->checkForChange($newkey, $password)){
+            $result = $key->generateKey(null, self::KEYCHANGE_ADFREE_SEARCHES, $newkey, "Schlüssel gewechselt. Hash $password");
+            if(!empty($result)){
+                Cookie::queue('key', $result, 525600, '/', null, false, false);
+                return redirect(LaravelLocalization::getLocalizedURL(LaravelLocalization::getCurrentLocale(), route('changeKeyThree', ["newkey" => $result])));
+            }
+        }
+        $data = [
+            "validUntil" => $validUntil->format($format),
+            "password" => hash_hmac("sha256", $validUntil->format($format), env("APP_KEY", "WEAK_KEY")),
+        ];
+        $targetUrl = LaravelLocalization::getLocalizedURL(LaravelLocalization::getCurrentLocale(), route('changeKeyTwo', $data));
+        return redirect($targetUrl);
+    }
 }