update v 1.0.7.5

app/Http/Controllers/Utility/LibraryController.php

@@ -0,0 +1,129 @@
+<?php
+
+namespace App\Http\Controllers\Utility;
+
+use App\Http\Controllers\Controller;
+use Config;
+use Exception;
+use Schema;
+
+class LibraryController extends Controller
+{
+    public static function getFileVersion()
+    {
+        try {
+            $app = Config::get('app.version');
+            if ($app) {
+                return preg_replace('/[^0-9,.]/', '', $app);
+            } else {
+                return 0;
+            }
+        } catch (Exception $ex) {
+            return 0;
+        }
+    }
+
+    public static function getDatabaseVersion()
+    {
+        try {
+            $database = self::isDatabaseSetup();
+            if ($database == true) {
+                if (Schema::hasColumn('settings_system', 'version')) {
+                    return \DB::table('settings_system')->where('id', '=', '1')->first()->version;
+                } else {
+                    return 0;
+                }
+            } else {
+                return 0;
+            }
+        } catch (Exception $ex) {
+            return 0;
+        }
+    }
+
+    public static function isDatabaseSetup()
+    {
+        try {
+            if (Schema::hasTable('settings_system')) {
+                return true;
+            }
+        } catch (Exception $e) {
+            return false;
+        }
+    }
+
+    public static function encryptByFaveoPublicKey($plaintext)
+    {
+        try {
+            // Compress the data to be sent
+            $plaintext = gzcompress($plaintext);
+
+            // Get the public Key of the recipient
+            $path = storage_path('app'.DIRECTORY_SEPARATOR.'faveo-public.key');
+            $key_content = file_get_contents($path);
+
+            //dd($path);
+            $publicKey = openssl_pkey_get_public($key_content);
+            //dd($publicKey);
+            $a_key = openssl_pkey_get_details($publicKey);
+
+            // Encrypt the data in small chunks and then combine and send it.
+            $chunkSize = ceil($a_key['bits'] / 8) - 11;
+            $output = '';
+
+            while ($plaintext) {
+                $chunk = substr($plaintext, 0, $chunkSize);
+                $plaintext = substr($plaintext, $chunkSize);
+                $encrypted = '';
+                if (!openssl_public_encrypt($chunk, $encrypted, $publicKey)) {
+                    throw new Exception('Failed to encrypt data');
+                }
+                $output .= $encrypted;
+            }
+            openssl_free_key($publicKey);
+
+            // This is the final encrypted data to be sent to the recipient
+            $encrypted = $output;
+
+            return $encrypted;
+        } catch (Exception $ex) {
+            dd($ex);
+        }
+    }
+
+    public static function decryptByFaveoPrivateKey($encrypted)
+    {
+        try {
+            //$encrypted = p¥Ùn¿olÓ¥9)OÞݸÔvh§=Ìtt1rkC‰É§%YœfÐS\BâkHW€mùÌØg¹+VŠ¥²?áÙ{/<¶¡£e¡ˆr°(V)Öíàr„Ž]K9¤ÿÖ¡Åmž”üÈoò״µºŽ06¼e€rœ['4çhH¾ö:¨œ–S„œ¦,|¤ÇqÂrÈŸd+ml‡ uötφûóŽ&›áyÙ(ÆŒÁ$‘¥±Zj*îàÒöL‘ˆD†aɐö_§趰·V„Þú]%ÅR*B=žéršæñ*i+፭±èç|c¹Ñߟ­F$;
+            // Get the private Key
+            $path = storage_path('app'.DIRECTORY_SEPARATOR.'faveo-private.key');
+            $key_content = file_get_contents($path);
+            if (!$privateKey = openssl_pkey_get_private($key_content)) {
+                die('Private Key failed');
+            }
+            $a_key = openssl_pkey_get_details($privateKey);
+
+            // Decrypt the data in the small chunks
+            $chunkSize = ceil($a_key['bits'] / 8);
+            $output = '';
+
+            while ($encrypted) {
+                $chunk = substr($encrypted, 0, $chunkSize);
+                $encrypted = substr($encrypted, $chunkSize);
+                $decrypted = '';
+                if (!openssl_private_decrypt($chunk, $decrypted, $privateKey)) {
+                    die('Failed to decrypt data');
+                }
+                $output .= $decrypted;
+            }
+            openssl_free_key($privateKey);
+
+            // Uncompress the unencrypted data.
+            $output = gzuncompress($output);
+
+            echo '<br /><br /> Unencrypted Data: '.$output;
+        } catch (Exception $ex) {
+            dd($ex);
+        }
+    }
+}