fix: align application image validation

app/Http/Controllers/Api/ApplicationsController.php

@@ -3163,7 +3163,6 @@ class ApplicationsController extends Controller
         $validationRules = [
             'name' => 'string|max:255',
             'description' => 'string|nullable',
-            'static_image' => 'string',
             'watch_paths' => 'string|nullable',
             'docker_compose_domains' => 'array|nullable',
             'docker_compose_domains.*' => 'array:name,domain,redirect',

app/Jobs/ApplicationDeploymentJob.php

@@ -5,6 +5,7 @@ namespace App\Jobs;
 use App\Actions\Docker\GetContainersStatus;
 use App\Enums\ApplicationDeploymentStatus;
 use App\Enums\ProcessStatus;
+use App\Enums\StaticImageTypes;
 use App\Events\ApplicationConfigurationChanged;
 use App\Events\ServiceStatusChanged;
 use App\Exceptions\DeploymentException;
@@ -3322,7 +3323,7 @@ class ApplicationDeploymentJob implements ShouldBeEncrypted, ShouldQueue
             : $this->production_image_name;
 
         if ($this->application->settings->is_static && $this->application->static_image) {
-            $this->pull_latest_image($this->application->static_image);
+            $this->pull_latest_image($this->staticImage());
         }
 
         $build_command = $this->railpack_build_command($image_name, $railpackVariables);
@@ -3353,7 +3354,7 @@ class ApplicationDeploymentJob implements ShouldBeEncrypted, ShouldQueue
     {
         $publishDir = trim($this->application->publish_directory, '/');
         $publishDir = $publishDir ? "/{$publishDir}" : '';
-        $dockerfile = base64_encode("FROM {$this->application->static_image}
+        $dockerfile = base64_encode("FROM {$this->staticImage()}
 WORKDIR /usr/share/nginx/html/
 LABEL coolify.deploymentId={$this->deployment_uuid}
 COPY --from={$this->build_image_name} /app{$publishDir} .
@@ -3885,12 +3886,18 @@ COPY ./nginx.conf /etc/nginx/conf.d/default.conf");
         return $default;
     }
 
-    private function pull_latest_image($image)
+    private function staticImage(): string
     {
+        return StaticImageTypes::from($this->application->static_image)->value;
+    }
+
+    private function pull_latest_image(string $image): void
+    {
+        $image = StaticImageTypes::from($image)->value;
         $this->application_deployment_queue->addLogEntry("Pulling latest image ($image) from the registry.");
         $this->execute_remote_command(
             [
-                executeInDocker($this->deployment_uuid, "docker pull {$image}"),
+                executeInDocker($this->deployment_uuid, 'docker pull '.escapeshellarg($image)),
                 'hidden' => true,
             ]
         );
@@ -3901,9 +3908,9 @@ COPY ./nginx.conf /etc/nginx/conf.d/default.conf");
         $this->application_deployment_queue->addLogEntry('----------------------------------------');
         $this->application_deployment_queue->addLogEntry('Static deployment. Copying static assets to the image.');
         if ($this->application->static_image) {
-            $this->pull_latest_image($this->application->static_image);
+            $this->pull_latest_image($this->staticImage());
         }
-        $dockerfile = base64_encode("FROM {$this->application->static_image}
+        $dockerfile = base64_encode("FROM {$this->staticImage()}
         WORKDIR /usr/share/nginx/html/
         LABEL coolify.deploymentId={$this->deployment_uuid}
         COPY . .
@@ -3998,7 +4005,7 @@ COPY ./nginx.conf /etc/nginx/conf.d/default.conf");
 
         if ($this->application->settings->is_static) {
             if ($this->application->static_image) {
-                $this->pull_latest_image($this->application->static_image);
+                $this->pull_latest_image($this->staticImage());
                 $this->application_deployment_queue->addLogEntry('Continuing with the building process.');
             }
             if ($this->application->build_pack === 'nixpacks') {
@@ -4104,7 +4111,7 @@ COPY ./nginx.conf /etc/nginx/conf.d/default.conf");
             }
             $publishDir = trim($this->application->publish_directory, '/');
             $publishDir = $publishDir ? "/{$publishDir}" : '';
-            $dockerfile = base64_encode("FROM {$this->application->static_image}
+            $dockerfile = base64_encode("FROM {$this->staticImage()}
 WORKDIR /usr/share/nginx/html/
 LABEL coolify.deploymentId={$this->deployment_uuid}
 COPY --from=$this->build_image_name /app{$publishDir} .

app/Livewire/Project/Application/General.php

@@ -3,6 +3,7 @@
 namespace App\Livewire\Project\Application;
 
 use App\Actions\Application\GenerateConfig;
+use App\Enums\StaticImageTypes;
 use App\Jobs\ApplicationDeploymentJob;
 use App\Livewire\Project\Service\Storage;
 use App\Models\Application;
@@ -11,6 +12,7 @@ use App\Support\ValidationPatterns;
 use Illuminate\Auth\Access\AuthorizationException;
 use Illuminate\Foundation\Auth\Access\AuthorizesRequests;
 use Illuminate\Support\Collection;
+use Illuminate\Validation\Rule;
 use Livewire\Component;
 use Livewire\Features\SupportEvents\Event;
 
@@ -156,7 +158,7 @@ class General extends Component
             'buildCommand' => ValidationPatterns::shellSafeCommandRules(),
             'startCommand' => ValidationPatterns::shellSafeCommandRules(),
             'buildPack' => 'required',
-            'staticImage' => 'required',
+            'staticImage' => ['required', Rule::enum(StaticImageTypes::class)],
             'baseDirectory' => array_merge(['required'], array_slice(ValidationPatterns::directoryPathRules(), 1)),
             'publishDirectory' => ValidationPatterns::directoryPathRules(),
             'portsExposes' => ['nullable', 'string', 'regex:/^(\d+)(,\d+)*$/'],

tests/Feature/StaticImageSecurityTest.php

@@ -0,0 +1,140 @@
+<?php
+
+use App\Jobs\ApplicationDeploymentJob;
+use App\Livewire\Project\Application\General;
+use App\Models\Application;
+use App\Models\Environment;
+use App\Models\InstanceSettings;
+use App\Models\Project;
+use App\Models\Server;
+use App\Models\StandaloneDocker;
+use App\Models\Team;
+use App\Models\User;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Livewire\Livewire;
+
+uses(RefreshDatabase::class);
+
+beforeEach(function () {
+    InstanceSettings::unguarded(fn () => InstanceSettings::firstOrCreate(['id' => 0]));
+
+    $this->team = Team::factory()->create();
+    $this->user = User::factory()->create();
+    $this->team->members()->attach($this->user->id, ['role' => 'owner']);
+    session(['currentTeam' => $this->team]);
+    $this->token = $this->user->createToken('static-image-security-test', ['*'])->plainTextToken;
+
+    $this->server = Server::factory()->create(['team_id' => $this->team->id]);
+    $this->destination = StandaloneDocker::query()->where('server_id', $this->server->id)->firstOrFail();
+    $this->project = Project::factory()->create(['team_id' => $this->team->id]);
+    $this->environment = Environment::factory()->create(['project_id' => $this->project->id]);
+});
+
+function staticImageApplication(): Application
+{
+    return Application::factory()->create([
+        'environment_id' => test()->environment->id,
+        'destination_id' => test()->destination->id,
+        'destination_type' => test()->destination->getMorphClass(),
+        'static_image' => 'nginx:alpine',
+        'base_directory' => '/',
+        'is_http_basic_auth_enabled' => false,
+        'redirect' => 'no',
+    ]);
+}
+
+function staticImageApiHeaders(): array
+{
+    return ['Authorization' => 'Bearer '.test()->token];
+}
+
+function staticImageCreatePayload(string $image): array
+{
+    return [
+        'project_uuid' => test()->project->uuid,
+        'environment_uuid' => test()->environment->uuid,
+        'server_uuid' => test()->server->uuid,
+        'git_repository' => 'https://gitlab.com/coolify/test-static-app',
+        'git_branch' => 'main',
+        'build_pack' => 'static',
+        'ports_exposes' => '80',
+        'autogenerate_domain' => false,
+        'static_image' => $image,
+    ];
+}
+
+test('API create rejects invalid static images', function (string $image) {
+    $this->withHeaders(staticImageApiHeaders())
+        ->postJson('/api/v1/applications/public', staticImageCreatePayload($image))
+        ->assertUnprocessable()
+        ->assertInvalid(['static_image']);
+})->with(['shell' => 'nginx:alpine;id>/tmp/pwn', 'dockerfile newline' => "nginx:alpine\nRUN id"]);
+
+test('API update rejects invalid static images without saving them', function (string $image) {
+    $application = staticImageApplication();
+
+    $this->withHeaders(staticImageApiHeaders())
+        ->patchJson("/api/v1/applications/{$application->uuid}", ['static_image' => $image])
+        ->assertUnprocessable()
+        ->assertInvalid(['static_image']);
+
+    expect($application->refresh()->static_image)->toBe('nginx:alpine');
+})->with(['shell' => 'nginx:alpine;id>/tmp/pwn', 'dockerfile newline' => "nginx:alpine\nRUN id"]);
+
+test('API accepts the allowed static image on create and update', function () {
+    $response = $this->withHeaders(staticImageApiHeaders())
+        ->postJson('/api/v1/applications/public', staticImageCreatePayload('nginx:alpine'))
+        ->assertCreated();
+
+    $application = Application::query()->where('uuid', $response->json('uuid'))->firstOrFail();
+    expect($application->static_image)->toBe('nginx:alpine');
+
+    $this->withHeaders(staticImageApiHeaders())
+        ->patchJson("/api/v1/applications/{$application->uuid}", ['static_image' => 'nginx:alpine'])
+        ->assertOk();
+});
+
+test('Livewire rejects invalid static images without saving them', function (string $image) {
+    $application = staticImageApplication();
+    $this->actingAs($this->user);
+
+    Livewire::test(General::class, ['application' => $application])
+        ->set('staticImage', $image)
+        ->call('submit')
+        ->assertDispatched('error', fn (string $event, array $params): bool => str_contains(strtolower($params[0]), 'static image') && str_contains(strtolower($params[0]), 'invalid'))
+        ->assertNotDispatched('success');
+
+    expect($application->refresh()->static_image)->toBe('nginx:alpine');
+})->with(['shell' => 'nginx:alpine;id>/tmp/pwn', 'dockerfile newline' => "nginx:alpine\nRUN id"]);
+
+test('Livewire accepts the allowed static image', function () {
+    $application = staticImageApplication();
+    $this->actingAs($this->user);
+
+    Livewire::test(General::class, ['application' => $application])
+        ->set('staticImage', 'nginx:alpine')
+        ->call('submit')
+        ->assertNotDispatched('error');
+
+    expect($application->refresh()->static_image)->toBe('nginx:alpine');
+});
+
+test('deployment rejects invalid legacy static images before they reach shell or Dockerfile', function (string $image) {
+    $application = staticImageApplication();
+    $application->static_image = $image;
+
+    $job = (new ReflectionClass(ApplicationDeploymentJob::class))->newInstanceWithoutConstructor();
+    $property = new ReflectionProperty(ApplicationDeploymentJob::class, 'application');
+    $property->setValue($job, $application);
+
+    expect(fn () => (new ReflectionMethod(ApplicationDeploymentJob::class, 'staticImage'))->invoke($job))
+        ->toThrow(ValueError::class);
+})->with(['shell' => 'nginx:alpine;id>/tmp/pwn', 'dockerfile newline' => "nginx:alpine\nRUN id"]);
+
+test('deployment accepts the allowed static image', function () {
+    $job = (new ReflectionClass(ApplicationDeploymentJob::class))->newInstanceWithoutConstructor();
+    (new ReflectionProperty(ApplicationDeploymentJob::class, 'application'))->setValue($job, staticImageApplication());
+
+    expect((new ReflectionMethod(ApplicationDeploymentJob::class, 'staticImage'))->invoke($job))
+        ->toBe('nginx:alpine');
+});