CaptiveController.php

public function forward(Request $request)
    {
        $waniapptoken = $request->get('waniapptoken');

        if (!$waniapptoken) {
            abort(422, 'No Token received');
        }

        list($providerId, $waniapptokenCipher) = explode('|', $waniapptoken);

        if (!$providerId || !$waniapptokenCipher) {
            abort(422, 'Malformed Token');
        }

        $providerRegistry = AppProviderRegistry::where('provider_id', $providerId)->first();

        if (!$providerRegistry) {
            abort(422, 'Unknown App Provider');
        }

        // Fetch pdoa keys
        $pdoaProvider = ProviderKey::where('type', 'pdoa')->first();
        if (!$pdoaProvider || !$pdoaProvider->private_key || !$pdoaProvider->public_key) {
            abort(500, 'PDOA Keys not set!');
        }

        $cipherText = CryptService::encryptUsingPrivateKey($waniapptoken, $pdoaProvider->private_key);
        $base64CipherText = base64_encode($cipherText);
        dd($waniapptoken, $cipherText, $base64CipherText, CryptService::decryptUsingPublicKey($cipherText, $pdoaProvider->public_key));

        $authUrl = $providerRegistry->auth_url;
        $wanipdoatoken = $pdoaProvider->uid . '|' . $pdoaProvider->expires_on . '|' . $base64CipherText;

        $response = Http::get($authUrl . '?wanipdoatoken=' . $waniapptoken);

        if (!$response->successful()) {
            abort($response->status(), $response->reason());
            Log::error($response->body());
        }
        return $response->body();

    }