diff --git a/.gitea/workflows/deploy.yml b/.gitea/workflows/deploy.yml
index 7580fd9..e78511d 100644
--- a/.gitea/workflows/deploy.yml
+++ b/.gitea/workflows/deploy.yml
@@ -34,6 +34,9 @@ jobs:
           QUEUE_CONNECTION=sync
           LOG_CHANNEL=stderr
           GIT_COMMIT=${{ github.sha }}
+          OAUTH_CLOUDSPICESBLUE_ID=${{ secrets.OAUTH_CLOUDSPICESBLUE_ID }}
+          OAUTH_CLOUDSPICESBLUE_SECRETKEY=${{ secrets.OAUTH_CLOUDSPICESBLUE_SECRETKEY }}
+          OAUTH_CLOUDSPICESBLUE_REDIRECTURI=${{ vars.OAUTH_CLOUDSPICESBLUE_REDIRECTURI }}
           EOF
 
       - name: PHP-Quellverzeichnisse leeren
diff --git a/app/Http/Controllers/OAuthController.php b/app/Http/Controllers/OAuthController.php
new file mode 100644
index 0000000..8aad1a3
--- /dev/null
+++ b/app/Http/Controllers/OAuthController.php
@@ -0,0 +1,34 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\User;
+use Illuminate\Http\RedirectResponse;
+use Illuminate\Support\Facades\Auth;
+use Illuminate\Support\Str;
+use Laravel\Socialite\Facades\Socialite;
+
+class OAuthController extends Controller
+{
+    public function redirect(): RedirectResponse
+    {
+        return Socialite::driver('nextcloud')->redirect();
+    }
+
+    public function callback(): RedirectResponse
+    {
+        $socialUser = Socialite::driver('nextcloud')->user();
+
+        $user = User::firstOrCreate(
+            ['email' => $socialUser->getEmail()],
+            [
+                'name'     => $socialUser->getName() ?? $socialUser->getNickname() ?? $socialUser->getEmail(),
+                'password' => Str::random(40),
+            ]
+        );
+
+        Auth::login($user, remember: true);
+
+        return redirect('/dashboard');
+    }
+}
diff --git a/app/Providers/AppServiceProvider.php b/app/Providers/AppServiceProvider.php
index 63c90ff..b58ab8e 100644
--- a/app/Providers/AppServiceProvider.php
+++ b/app/Providers/AppServiceProvider.php
@@ -3,8 +3,10 @@
 namespace App\Providers;
 
 use Illuminate\Support\ServiceProvider;
-use App\Models\Product;              // Richtiges Product-Model importieren
-use App\Observers\ProductObserver;   // ProductObserver importieren
+use Illuminate\Support\Facades\Event;
+use App\Models\Product;
+use App\Observers\ProductObserver;
+use SocialiteProviders\Manager\SocialiteWasCalled;
 
 class AppServiceProvider extends ServiceProvider
 {
@@ -22,5 +24,9 @@ class AppServiceProvider extends ServiceProvider
     public function boot(): void
     {
         Product::observe(ProductObserver::class);
+
+        Event::listen(function (SocialiteWasCalled $event) {
+            $event->extendSocialite('nextcloud', \SocialiteProviders\Nextcloud\Provider::class);
+        });
     }
 }
diff --git a/app/Providers/Filament/UserPanelProvider.php b/app/Providers/Filament/UserPanelProvider.php
index 6796cae..fc08cf9 100644
--- a/app/Providers/Filament/UserPanelProvider.php
+++ b/app/Providers/Filament/UserPanelProvider.php
@@ -46,6 +46,22 @@ class UserPanelProvider extends PanelProvider
                 NavigationGroup::make('Ressourcen'),
                 NavigationGroup::make('CRM'),
             ])
+            ->renderHook(
+                PanelsRenderHook::AUTH_LOGIN_FORM_AFTER,
+                fn () => new HtmlString(
+                    '<div class="mt-4">'
+                    . '<div class="relative flex items-center gap-3 py-1">'
+                    . '<div class="h-px flex-1 bg-gray-200 dark:bg-gray-700"></div>'
+                    . '<span class="text-xs text-gray-400 dark:text-gray-500">oder</span>'
+                    . '<div class="h-px flex-1 bg-gray-200 dark:bg-gray-700"></div>'
+                    . '</div>'
+                    . '<a href="' . route('auth.nextcloud') . '" class="mt-3 flex w-full items-center justify-center gap-2 rounded-lg border border-gray-300 bg-white px-4 py-2 text-sm font-medium text-gray-700 shadow-sm transition hover:bg-gray-50 dark:border-gray-600 dark:bg-gray-800 dark:text-gray-300 dark:hover:bg-gray-700">'
+                    . '<svg class="h-4 w-4" viewBox="0 0 50 50" fill="currentColor"><path d="M25 2C12.3 2 2 12.3 2 25s10.3 23 23 23 23-10.3 23-23S37.7 2 25 2zm0 7a7 7 0 110 14 7 7 0 010-14zm0 32c-5.8 0-10.9-2.9-14-7.3.1-4.6 9.3-7.2 14-7.2s13.9 2.5 14 7.2C35.9 38.1 30.8 41 25 41z"/></svg>'
+                    . 'Mit Nextcloud anmelden'
+                    . '</a>'
+                    . '</div>'
+                )
+            )
             ->renderHook(
                 PanelsRenderHook::SIDEBAR_FOOTER,
                 fn () => new HtmlString(
diff --git a/composer.json b/composer.json
index aef153b..cf93fdf 100644
--- a/composer.json
+++ b/composer.json
@@ -9,9 +9,11 @@
         "filament/filament": "^3.2",
         "flowframe/laravel-trend": "^0.3.0",
         "laravel/framework": "^11.9",
+        "laravel/socialite": "^5.31",
         "laravel/tinker": "^2.9",
         "leandrocfe/filament-apex-charts": "^3.1",
         "picqer/php-barcode-generator": "^3.3",
+        "socialiteproviders/nextcloud": "^4.0",
         "spatie/laravel-activitylog": "^4.9",
         "z3d0x/filament-logger": "^0.7.2"
     },
diff --git a/composer.lock b/composer.lock
index d8e2d98..26b2a4f 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "45cc716f18a426dc09aceb48f3a350d8",
+    "content-hash": "e8477e7313b54ea6c6a999f2afe73f6d",
     "packages": [
         {
             "name": "anourvalar/eloquent-serialize",
@@ -1419,6 +1419,72 @@
             },
             "time": "2026-06-12T16:57:28+00:00"
         },
+        {
+            "name": "firebase/php-jwt",
+            "version": "v7.1.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/googleapis/php-jwt.git",
+                "reference": "b374a5d1a4f1f67fadc2165cdb284645945e2fc0"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/googleapis/php-jwt/zipball/b374a5d1a4f1f67fadc2165cdb284645945e2fc0",
+                "reference": "b374a5d1a4f1f67fadc2165cdb284645945e2fc0",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^8.0"
+            },
+            "require-dev": {
+                "guzzlehttp/guzzle": "^7.4",
+                "phpfastcache/phpfastcache": "^9.2",
+                "phpseclib/phpseclib": "~3.0",
+                "phpspec/prophecy-phpunit": "^2.0",
+                "phpunit/phpunit": "^9.5",
+                "psr/cache": "^2.0||^3.0",
+                "psr/http-client": "^1.0",
+                "psr/http-factory": "^1.0"
+            },
+            "suggest": {
+                "ext-sodium": "Support EdDSA (Ed25519) signatures",
+                "paragonie/sodium_compat": "Support EdDSA (Ed25519) signatures when libsodium is not present",
+                "phpseclib/phpseclib": "Support PS256 (RSASSA-PSS) signatures"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Firebase\\JWT\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Neuman Vong",
+                    "email": "neuman+pear@twilio.com",
+                    "role": "Developer"
+                },
+                {
+                    "name": "Anant Narayanan",
+                    "email": "anant@php.net",
+                    "role": "Developer"
+                }
+            ],
+            "description": "A simple library to encode and decode JSON Web Tokens (JWT) in PHP. Should conform to the current spec.",
+            "homepage": "https://github.com/googleapis/php-jwt",
+            "keywords": [
+                "jwt",
+                "php"
+            ],
+            "support": {
+                "issues": "https://github.com/googleapis/php-jwt/issues",
+                "source": "https://github.com/googleapis/php-jwt/tree/v7.1.0"
+            },
+            "time": "2026-06-11T17:54:14+00:00"
+        },
         {
             "name": "flowframe/laravel-trend",
             "version": "v0.3.0",
@@ -2441,6 +2507,78 @@
             },
             "time": "2026-08-18T20:28:54+00:00"
         },
+        {
+            "name": "laravel/socialite",
+            "version": "v5.31.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/laravel/socialite.git",
+                "reference": "f721b2cbec327ab820bd6aabea6ab211cfcc9f08"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/laravel/socialite/zipball/f721b2cbec327ab820bd6aabea6ab211cfcc9f08",
+                "reference": "f721b2cbec327ab820bd6aabea6ab211cfcc9f08",
+                "shasum": ""
+            },
+            "require": {
+                "ext-json": "*",
+                "firebase/php-jwt": "^6.4|^7.0",
+                "guzzlehttp/guzzle": "^6.0|^7.0|^8.0",
+                "illuminate/contracts": "^6.0|^7.0|^8.0|^9.0|^10.0|^11.0|^12.0|^13.0",
+                "illuminate/http": "^6.0|^7.0|^8.0|^9.0|^10.0|^11.0|^12.0|^13.0",
+                "illuminate/support": "^6.0|^7.0|^8.0|^9.0|^10.0|^11.0|^12.0|^13.0",
+                "league/oauth1-client": "^1.11",
+                "php": "^8.1",
+                "phpseclib/phpseclib": "^4.0"
+            },
+            "require-dev": {
+                "mockery/mockery": "^1.0",
+                "orchestra/testbench": "^4.18|^5.20|^6.47|^7.55|^8.36|^9.15|^10.8|^11.0",
+                "phpstan/phpstan": "^1.12.23",
+                "phpunit/phpunit": "^8.0|^9.3|^10.4|^11.5|^12.0"
+            },
+            "type": "library",
+            "extra": {
+                "laravel": {
+                    "aliases": {
+                        "Socialite": "Laravel\\Socialite\\Facades\\Socialite"
+                    },
+                    "providers": [
+                        "Laravel\\Socialite\\SocialiteServiceProvider"
+                    ]
+                },
+                "branch-alias": {
+                    "dev-master": "5.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Laravel\\Socialite\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Taylor Otwell",
+                    "email": "taylor@laravel.com"
+                }
+            ],
+            "description": "Laravel wrapper around OAuth 1 & OAuth 2 libraries.",
+            "homepage": "https://laravel.com",
+            "keywords": [
+                "laravel",
+                "oauth"
+            ],
+            "support": {
+                "issues": "https://github.com/laravel/socialite/issues",
+                "source": "https://github.com/laravel/socialite"
+            },
+            "time": "2026-08-31T13:49:19+00:00"
+        },
         {
             "name": "laravel/tinker",
             "version": "v2.11.1",
@@ -2975,6 +3113,82 @@
             ],
             "time": "2026-07-09T11:49:27+00:00"
         },
+        {
+            "name": "league/oauth1-client",
+            "version": "v1.11.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/thephpleague/oauth1-client.git",
+                "reference": "f9c94b088837eb1aae1ad7c4f23eb65cc6993055"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/thephpleague/oauth1-client/zipball/f9c94b088837eb1aae1ad7c4f23eb65cc6993055",
+                "reference": "f9c94b088837eb1aae1ad7c4f23eb65cc6993055",
+                "shasum": ""
+            },
+            "require": {
+                "ext-json": "*",
+                "ext-openssl": "*",
+                "guzzlehttp/guzzle": "^6.0|^7.0",
+                "guzzlehttp/psr7": "^1.7|^2.0",
+                "php": ">=7.1||>=8.0"
+            },
+            "require-dev": {
+                "ext-simplexml": "*",
+                "friendsofphp/php-cs-fixer": "^2.17",
+                "mockery/mockery": "^1.3.3",
+                "phpstan/phpstan": "^0.12.42",
+                "phpunit/phpunit": "^7.5||9.5"
+            },
+            "suggest": {
+                "ext-simplexml": "For decoding XML-based responses."
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0-dev",
+                    "dev-develop": "2.0-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "League\\OAuth1\\Client\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Ben Corlett",
+                    "email": "bencorlett@me.com",
+                    "homepage": "http://www.webcomm.com.au",
+                    "role": "Developer"
+                }
+            ],
+            "description": "OAuth 1.0 Client Library",
+            "keywords": [
+                "Authentication",
+                "SSO",
+                "authorization",
+                "bitbucket",
+                "identity",
+                "idp",
+                "oauth",
+                "oauth1",
+                "single sign on",
+                "trello",
+                "tumblr",
+                "twitter"
+            ],
+            "support": {
+                "issues": "https://github.com/thephpleague/oauth1-client/issues",
+                "source": "https://github.com/thephpleague/oauth1-client/tree/v1.11.0"
+            },
+            "time": "2024-12-10T19:59:05+00:00"
+        },
         {
             "name": "league/uri",
             "version": "7.8.1",
@@ -3980,6 +4194,75 @@
             ],
             "time": "2025-09-03T16:03:54+00:00"
         },
+        {
+            "name": "paragonie/constant_time_encoding",
+            "version": "v3.1.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/paragonie/constant_time_encoding.git",
+                "reference": "d5b01a39b3415c2cd581d3bd3a3575c1ebbd8e77"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/paragonie/constant_time_encoding/zipball/d5b01a39b3415c2cd581d3bd3a3575c1ebbd8e77",
+                "reference": "d5b01a39b3415c2cd581d3bd3a3575c1ebbd8e77",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^8"
+            },
+            "require-dev": {
+                "infection/infection": "^0",
+                "nikic/php-fuzzer": "^0",
+                "phpunit/phpunit": "^9|^10|^11",
+                "vimeo/psalm": "^4|^5|^6"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "ParagonIE\\ConstantTime\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Paragon Initiative Enterprises",
+                    "email": "security@paragonie.com",
+                    "homepage": "https://paragonie.com",
+                    "role": "Maintainer"
+                },
+                {
+                    "name": "Steve 'Sc00bz' Thomas",
+                    "email": "steve@tobtu.com",
+                    "homepage": "https://www.tobtu.com",
+                    "role": "Original Developer"
+                }
+            ],
+            "description": "Constant-time Implementations of RFC 4648 Encoding (Base-64, Base-32, Base-16)",
+            "keywords": [
+                "base16",
+                "base32",
+                "base32_decode",
+                "base32_encode",
+                "base64",
+                "base64_decode",
+                "base64_encode",
+                "bin2hex",
+                "encoding",
+                "hex",
+                "hex2bin",
+                "rfc4648"
+            ],
+            "support": {
+                "email": "info@paragonie.com",
+                "issues": "https://github.com/paragonie/constant_time_encoding/issues",
+                "source": "https://github.com/paragonie/constant_time_encoding"
+            },
+            "time": "2025-09-24T15:06:41+00:00"
+        },
         {
             "name": "phpoption/phpoption",
             "version": "1.10.0",
@@ -4055,6 +4338,126 @@
             ],
             "time": "2026-08-24T00:54:40+00:00"
         },
+        {
+            "name": "phpseclib/phpseclib",
+            "version": "4.0.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phpseclib/phpseclib.git",
+                "reference": "bb7b959c8159957edae6f5084ebbac765d310e16"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/phpseclib/phpseclib/zipball/bb7b959c8159957edae6f5084ebbac765d310e16",
+                "reference": "bb7b959c8159957edae6f5084ebbac765d310e16",
+                "shasum": ""
+            },
+            "require": {
+                "paragonie/constant_time_encoding": "^2|^3",
+                "php": ">=8.1",
+                "symfony/polyfill-php82": "^1.26"
+            },
+            "require-dev": {
+                "brianium/paratest": "^7.22",
+                "ext-xml": "*",
+                "php-parallel-lint/php-parallel-lint": "^1.3",
+                "phpunit/phpunit": "^13",
+                "squizlabs/php_codesniffer": "^3.7",
+                "vimeo/psalm": "*"
+            },
+            "suggest": {
+                "ext-dom": "Install the DOM extension to load XML formatted public keys.",
+                "ext-gmp": "Install the GMP (GNU Multiple Precision) extension in order to speed up arbitrary precision integer arithmetic operations.",
+                "ext-libsodium": "SSH2/SFTP can make use of some algorithms provided by the libsodium-php extension.",
+                "ext-openssl": "Install the OpenSSL extension in order to speed up a wide variety of cryptographic operations."
+            },
+            "type": "library",
+            "autoload": {
+                "files": [
+                    "phpseclib/bootstrap.php"
+                ],
+                "psr-4": {
+                    "phpseclib4\\": "phpseclib/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Jim Wigginton",
+                    "email": "terrafrost@php.net",
+                    "role": "Lead Developer"
+                },
+                {
+                    "name": "Patrick Monnerat",
+                    "email": "pm@datasphere.ch",
+                    "role": "Developer"
+                },
+                {
+                    "name": "Andreas Fischer",
+                    "email": "bantu@phpbb.com",
+                    "role": "Developer"
+                },
+                {
+                    "name": "Hans-Jürgen Petrich",
+                    "email": "petrich@tronic-media.com",
+                    "role": "Developer"
+                },
+                {
+                    "name": "Graham Campbell",
+                    "email": "graham@alt-three.com",
+                    "role": "Developer"
+                },
+                {
+                    "name": "Jack Worman",
+                    "email": "jack.worman@gmail.com",
+                    "homepage": "https://jackworman.com",
+                    "role": "Developer"
+                }
+            ],
+            "description": "PHP Secure Communications Library - Pure-PHP implementations of RSA, AES, SSH2, SFTP, X.509 etc.",
+            "homepage": "https://phpseclib.com/",
+            "keywords": [
+                "BigInteger",
+                "aes",
+                "asn.1",
+                "asn1",
+                "blowfish",
+                "crypto",
+                "cryptography",
+                "encryption",
+                "rsa",
+                "security",
+                "sftp",
+                "signature",
+                "signing",
+                "ssh",
+                "twofish",
+                "x.509",
+                "x509"
+            ],
+            "support": {
+                "issues": "https://github.com/phpseclib/phpseclib/issues",
+                "source": "https://github.com/phpseclib/phpseclib/tree/4.0.1"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/terrafrost",
+                    "type": "github"
+                },
+                {
+                    "url": "https://www.patreon.com/phpseclib",
+                    "type": "patreon"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/phpseclib/phpseclib",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2026-08-26T12:15:13+00:00"
+        },
         {
             "name": "picqer/php-barcode-generator",
             "version": "v3.3.0",
@@ -4951,6 +5354,121 @@
             ],
             "time": "2026-03-19T10:36:26+00:00"
         },
+        {
+            "name": "socialiteproviders/manager",
+            "version": "4.9.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/SocialiteProviders/Manager.git",
+                "reference": "35372dc62787e61e91cfec73f45fd5d5ae0f8891"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/SocialiteProviders/Manager/zipball/35372dc62787e61e91cfec73f45fd5d5ae0f8891",
+                "reference": "35372dc62787e61e91cfec73f45fd5d5ae0f8891",
+                "shasum": ""
+            },
+            "require": {
+                "illuminate/support": "^11.0 || ^12.0 || ^13.0",
+                "laravel/socialite": "^5.5",
+                "php": "^8.2"
+            },
+            "require-dev": {
+                "mockery/mockery": "^1.2",
+                "phpunit/phpunit": "^9.0"
+            },
+            "type": "library",
+            "extra": {
+                "laravel": {
+                    "providers": [
+                        "SocialiteProviders\\Manager\\ServiceProvider"
+                    ]
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "SocialiteProviders\\Manager\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Andy Wendt",
+                    "email": "andy@awendt.com"
+                },
+                {
+                    "name": "Anton Komarev",
+                    "email": "a.komarev@cybercog.su"
+                },
+                {
+                    "name": "Miguel Piedrafita",
+                    "email": "soy@miguelpiedrafita.com"
+                },
+                {
+                    "name": "atymic",
+                    "email": "atymicq@gmail.com",
+                    "homepage": "https://atymic.dev"
+                }
+            ],
+            "description": "Easily add new or override built-in providers in Laravel Socialite.",
+            "homepage": "https://socialiteproviders.com",
+            "keywords": [
+                "laravel",
+                "manager",
+                "oauth",
+                "providers",
+                "socialite"
+            ],
+            "support": {
+                "issues": "https://github.com/socialiteproviders/manager/issues",
+                "source": "https://github.com/socialiteproviders/manager"
+            },
+            "time": "2026-03-18T22:13:24+00:00"
+        },
+        {
+            "name": "socialiteproviders/nextcloud",
+            "version": "4.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/SocialiteProviders/Nextcloud.git",
+                "reference": "94b3cef64410994bdd480230a7aa78294564cc44"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/SocialiteProviders/Nextcloud/zipball/94b3cef64410994bdd480230a7aa78294564cc44",
+                "reference": "94b3cef64410994bdd480230a7aa78294564cc44",
+                "shasum": ""
+            },
+            "require": {
+                "ext-json": "*",
+                "php": "^7.2 || ^8.0",
+                "socialiteproviders/manager": "~4.0"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "SocialiteProviders\\Nextcloud\\": ""
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Artur Shaik",
+                    "email": "artur@shaik.link"
+                }
+            ],
+            "description": "Nextcloud OAuth2 Provider for Laravel Socialite",
+            "support": {
+                "source": "https://github.com/SocialiteProviders/Nextcloud/tree/4.0.0"
+            },
+            "time": "2021-02-27T23:17:54+00:00"
+        },
         {
             "name": "spatie/color",
             "version": "1.8.0",
@@ -6806,6 +7324,86 @@
             ],
             "time": "2026-04-10T16:19:22+00:00"
         },
+        {
+            "name": "symfony/polyfill-php82",
+            "version": "v1.38.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-php82.git",
+                "reference": "002dc0cfe5fd4ed6033d48f27d4f19a486c4b04b"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-php82/zipball/002dc0cfe5fd4ed6033d48f27d4f19a486c4b04b",
+                "reference": "002dc0cfe5fd4ed6033d48f27d4f19a486c4b04b",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.2"
+            },
+            "type": "library",
+            "extra": {
+                "thanks": {
+                    "url": "https://github.com/symfony/polyfill",
+                    "name": "symfony/polyfill"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "bootstrap.php"
+                ],
+                "psr-4": {
+                    "Symfony\\Polyfill\\Php82\\": ""
+                },
+                "classmap": [
+                    "Resources/stubs"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill backporting some PHP 8.2+ features to lower PHP versions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/polyfill-php82/tree/v1.38.1"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://github.com/nicolas-grekas",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2026-05-26T12:45:58+00:00"
+        },
         {
             "name": "symfony/polyfill-php83",
             "version": "v1.41.0",
diff --git a/config/services.php b/config/services.php
index 21ceac2..d2fdd85 100644
--- a/config/services.php
+++ b/config/services.php
@@ -35,6 +35,13 @@ return [
         ],
     ],
 
+    'nextcloud' => [
+        'client_id'     => env('OAUTH_CLOUDSPICESBLUE_ID'),
+        'client_secret' => env('OAUTH_CLOUDSPICESBLUE_SECRETKEY'),
+        'redirect'      => env('OAUTH_CLOUDSPICESBLUE_REDIRECTURI'),
+        'base_url'      => 'https://cloud.spices.blue',
+    ],
+
     'shopify' => [
         'domain'         => env('SHOPIFY_SHOP_DOMAIN'),
         'access_token'   => env('SHOPIFY_ACCESS_TOKEN'),
diff --git a/routes/web.php b/routes/web.php
index 11fa2c8..b02e6a8 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -1,7 +1,11 @@
 <?php
 
+use App\Http\Controllers\OAuthController;
 use Illuminate\Support\Facades\Route;
 
 Route::get('/', function () {
     return redirect('/dashboard', 301);
 });
+
+Route::get('/oauth/redirect', [OAuthController::class, 'redirect'])->name('auth.nextcloud');
+Route::get('/oauth/callback', [OAuthController::class, 'callback'])->name('auth.nextcloud.callback');