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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Cosray\Controller\Panel; |
| 6 | |
| 7 | use Celema\Container\Container; |
| 8 | use Celema\Core\Exception\HttpForbidden; |
| 9 | use Celema\Core\Exception\HttpNotFound; |
| 10 | use Celema\Core\Factory\Factory; |
| 11 | use Celema\Core\Request; |
| 12 | use Celema\Core\Response; |
| 13 | use Celema\Verba\Verba; |
| 14 | use Celema\Wire\Creator; |
| 15 | use Cosray\Actor; |
| 16 | use Cosray\Cms; |
| 17 | use Cosray\Collection\Listing; |
| 18 | use Cosray\Collection\Ref; |
| 19 | use Cosray\Collection\Schemas; |
| 20 | use Cosray\Config; |
| 21 | use Cosray\Context; |
| 22 | use Cosray\Contract\Columns; |
| 23 | use Cosray\Contract\Entries; |
| 24 | use Cosray\Exception\RuntimeException; |
| 25 | use Cosray\Icons\Provider as IconProvider; |
| 26 | use Cosray\Locale; |
| 27 | use Cosray\Navigation; |
| 28 | use Cosray\NavigationItem; |
| 29 | use Cosray\NavLink; |
| 30 | use Cosray\Node\Types; |
| 31 | use Cosray\Panel\Client; |
| 32 | use Cosray\Panel\Extras; |
| 33 | use Cosray\Renderer; |
| 34 | use Cosray\Security\Policy; |
| 35 | use Cosray\Session; |
| 36 | use Cosray\User; |
| 37 | use Cosray\Util\Form; |
| 38 | use Cosray\Util\LiveReload; |
| 39 | |
| 40 | abstract class Panel |
| 41 | { |
| 42 | /** |
| 43 | * Which masthead area this screen belongs to. The rail renders only for |
| 44 | * `content`, which is the default because a project's own panel pages put |
| 45 | * their entry in that rail without knowing this constant exists. |
| 46 | */ |
| 47 | protected const string AREA = 'content'; |
| 48 | |
| 49 | protected string $panelDir; |
| 50 | private ?Client $client = null; |
| 51 | |
| 52 | public function __construct( |
| 53 | protected Config $config, |
| 54 | protected Container $container, |
| 55 | protected readonly Request $request, |
| 56 | ) { |
| 57 | $this->panelDir = __DIR__ . '/../../../panel'; |
| 58 | } |
| 59 | |
| 60 | /** |
| 61 | * Renders a panel page right away, for a status other than the 200 that |
| 62 | * the route's renderer gives a returned context. |
| 63 | * |
| 64 | * @param non-empty-string $template |
| 65 | * @param array<string, mixed> $context |
| 66 | */ |
| 67 | protected function render(Factory $factory, string $template, array $context, int $status): Response |
| 68 | { |
| 69 | $renderer = $this->container->tag(Renderer::class)->get('panel'); |
| 70 | |
| 71 | return Response::create($factory)->html($renderer->render($template, $context), $status); |
| 72 | } |
| 73 | |
| 74 | protected function tooManyAttempts(int $seconds): string |
| 75 | { |
| 76 | return __n('auth:too-many-attempts', 'auth:too-many-attempts-plural', (int) ceil($seconds / 60)); |
| 77 | } |
| 78 | |
| 79 | /** |
| 80 | * @param array<string, mixed> $data |
| 81 | * @return array<string, mixed> |
| 82 | */ |
| 83 | protected function context(array $data = []): array |
| 84 | { |
| 85 | $panelPath = $this->panelPath(); |
| 86 | $localeId = $this->localeId(); |
| 87 | $collections = $this->collections(); |
| 88 | $layer = $this->layer(); |
| 89 | |
| 90 | return array_merge( |
| 91 | [ |
| 92 | 'debug' => $this->config->debug(), |
| 93 | 'env' => $this->config->env(), |
| 94 | 'layer' => $layer, |
| 95 | 'panelPath' => $panelPath, |
| 96 | 'panelBase' => $panelPath === '/' ? '/' : rtrim($panelPath, '/') . '/', |
| 97 | 'currentPath' => $this->request->uri()->getPath(), |
| 98 | 'area' => static::AREA, |
| 99 | 'dashboard' => $this->config->panel->dashboard, |
| 100 | 'homeUrl' => $this->homeUrl(), |
| 101 | 'contentUrl' => $this->firstUrl($collections), |
| 102 | 'menusUrl' => $this->menusUrl($panelPath), |
| 103 | 'systemUrl' => $this->permits('edit-users') ? $panelPath . '/users' : null, |
| 104 | 'logo' => $this->logo(), |
| 105 | 'localeId' => $localeId, |
| 106 | 'panelLocales' => $this->panelLocales(), |
| 107 | 'account' => $this->account(), |
| 108 | 'config' => $this->config, |
| 109 | 'renderIcon' => $this->renderIcon(...), |
| 110 | 'assetsBase' => $this->client()->url(), |
| 111 | 'importMap' => $this->client()->importMap(), |
| 112 | 'stylesheets' => $this->stylesheets(), |
| 113 | 'scripts' => $this->scripts(), |
| 114 | 'moduleScripts' => $this->moduleScripts(), |
| 115 | 'liveReload' => LiveReload::url($this->request), |
| 116 | 'csrfToken' => $this->csrfToken(), |
| 117 | // Only a full document loads the entry; a swap reuses the modules. |
| 118 | 'modulePreloads' => $layer === 'document' ? $this->client()->preloads() : [], |
| 119 | 'collections' => $collections, |
| 120 | 'rail' => static::AREA === 'content' && $collections !== [], |
| 121 | 'messages' => $this->messages(), |
| 122 | ], |
| 123 | $data, |
| 124 | ); |
| 125 | } |
| 126 | |
| 127 | /** |
| 128 | * How much of the panel a response renders. htmx names the element it is |
| 129 | * about to swap, and that boundary is where the layer templates stop: the |
| 130 | * content region for navigation inside an area, the frame for an area |
| 131 | * switch, the whole body for a history restore, the document otherwise. |
| 132 | */ |
| 133 | protected function layer(): string |
| 134 | { |
| 135 | // A restore swaps the body. It has to come first: htmx sends this header |
| 136 | // alone, without the ones every other request carries. |
| 137 | if ($this->request->hasHeader('HX-History-Restore-Request')) { |
| 138 | return 'shell'; |
| 139 | } |
| 140 | |
| 141 | if (!$this->request->hasHeader('HX-Request')) { |
| 142 | return 'document'; |
| 143 | } |
| 144 | |
| 145 | // Anything else aimed at the body, which htmx flags as a full render. |
| 146 | if ($this->request->header('HX-Request-Type') === 'full') { |
| 147 | return 'shell'; |
| 148 | } |
| 149 | |
| 150 | return $this->target() === 'frame' ? 'frame' : 'main'; |
| 151 | } |
| 152 | |
| 153 | /** The session's CSRF token, which unsafe panel requests must carry. */ |
| 154 | protected function csrfToken(): string |
| 155 | { |
| 156 | $session = $this->request->get('session', null); |
| 157 | |
| 158 | if (!$session instanceof Session) { |
| 159 | return ''; |
| 160 | } |
| 161 | |
| 162 | // A sign-out earlier in this request ended the session, and the token needs a new |
| 163 | // one. Without strict mode, start() alone would resume the id whose cookie is deleted. |
| 164 | if (!$session->active()) { |
| 165 | $session->start(); |
| 166 | $session->regenerate(); |
| 167 | } |
| 168 | |
| 169 | return $session->csrf->token(); |
| 170 | } |
| 171 | |
| 172 | /** The id of the element an htmx request swaps, if any. */ |
| 173 | protected function target(): string |
| 174 | { |
| 175 | // The header reads `<tag>#<id>`; only the id names a panel region. |
| 176 | $target = $this->request->header('HX-Target'); |
| 177 | $hash = strrpos($target, '#'); |
| 178 | |
| 179 | return $hash === false ? '' : substr($target, $hash + 1); |
| 180 | } |
| 181 | |
| 182 | /** |
| 183 | * The `panel` catalog for the active locale as the payload the panel's |
| 184 | * verba runtime boots from. This domain holds exactly the strings the |
| 185 | * panel scripts use (extracted by the JavascriptScanner), so the browser |
| 186 | * never receives backend-only messages. Empty when no translator is |
| 187 | * active (e.g. outside the request pipeline). |
| 188 | * |
| 189 | * @return array{ |
| 190 | * locale: string, |
| 191 | * domains: list<array{ |
| 192 | * domain: string, |
| 193 | * plural: string, |
| 194 | * messages: array<array-key, string|list<string>>, |
| 195 | * contexts?: array<array-key, array<array-key, string|list<string>>>, |
| 196 | * }>, |
| 197 | * } |
| 198 | */ |
| 199 | protected function messages(): array |
| 200 | { |
| 201 | return Verba::translator()?->exportMany(['panel']) ?? ['locale' => $this->localeId(), 'domains' => []]; |
| 202 | } |
| 203 | |
| 204 | protected function panelPath(): string |
| 205 | { |
| 206 | return $this->config->panel->path; |
| 207 | } |
| 208 | |
| 209 | /** |
| 210 | * A 303 back to a collection listing with the listing query the request |
| 211 | * URL carried, so the editor lands on the view they acted in. |
| 212 | * |
| 213 | * @param array<string, string> $extra |
| 214 | */ |
| 215 | protected function listingRedirect(Factory $factory, string $collection, array $extra = []): Response |
| 216 | { |
| 217 | $params = []; |
| 218 | |
| 219 | foreach (['q', 'sort', 'dir', 'offset', 'limit', 'parent', 'view', 'open'] as $key) { |
| 220 | $value = $this->request->param($key, ''); |
| 221 | |
| 222 | if (is_string($value) && trim($value) !== '') { |
| 223 | $params[$key] = trim($value); |
| 224 | } |
| 225 | } |
| 226 | |
| 227 | $path = $this->panelPath() . '/collection/' . rawurlencode($collection); |
| 228 | $query = http_build_query([...$params, ...$extra], '', '&', PHP_QUERY_RFC3986); |
| 229 | |
| 230 | return Response::create($factory)->redirect($query === '' ? $path : $path . '?' . $query, 303); |
| 231 | } |
| 232 | |
| 233 | /** |
| 234 | * Where the logo and the panel root lead. Without the dashboard that is the |
| 235 | * first remaining masthead area: content, or media for a project without |
| 236 | * collections. |
| 237 | */ |
| 238 | protected function homeUrl(): string |
| 239 | { |
| 240 | $panelPath = $this->panelPath(); |
| 241 | |
| 242 | if ($this->config->panel->dashboard) { |
| 243 | return $panelPath; |
| 244 | } |
| 245 | |
| 246 | return $this->firstUrl($this->collections()) ?? $panelPath . '/media'; |
| 247 | } |
| 248 | |
| 249 | /** |
| 250 | * Submitted form data with fallbacks for request pipelines that do |
| 251 | * not populate the parsed body (JSON and urlencoded raw bodies). |
| 252 | * |
| 253 | * @return array<array-key, mixed> |
| 254 | */ |
| 255 | protected function formData(): array |
| 256 | { |
| 257 | return Form::body($this->request); |
| 258 | } |
| 259 | |
| 260 | protected function localeId(): string |
| 261 | { |
| 262 | $panelLocale = $this->request->get('panelLocale', null); |
| 263 | |
| 264 | if (is_string($panelLocale)) { |
| 265 | return $panelLocale; |
| 266 | } |
| 267 | |
| 268 | $locale = $this->request->get('locale', null); |
| 269 | |
| 270 | return $locale instanceof Locale ? $locale->id : 'en'; |
| 271 | } |
| 272 | |
| 273 | /** |
| 274 | * The selectable panel UI languages, mapped to their capitalized native |
| 275 | * names (e.g. `['de' => 'Deutsch', 'fr' => 'Français', 'pt_BR' => |
| 276 | * 'Português (Brasil)']`). |
| 277 | * |
| 278 | * @return array<string, string> |
| 279 | */ |
| 280 | protected function panelLocales(): array |
| 281 | { |
| 282 | $ids = $this->request->get('panelLocales', []); |
| 283 | $titles = []; |
| 284 | |
| 285 | /** @var string $id */ |
| 286 | foreach (is_array($ids) ? $ids : [] as $id) { |
| 287 | $title = \Locale::getDisplayName($id, $id); |
| 288 | $titles[$id] = $title === false ? $id : mb_ucfirst($title); |
| 289 | } |
| 290 | |
| 291 | return $titles; |
| 292 | } |
| 293 | |
| 294 | /** @return list<string> */ |
| 295 | private function stylesheets(): array |
| 296 | { |
| 297 | return [ |
| 298 | ...$this->config->panel->theme, |
| 299 | $this->client()->url('styles/panel.css'), |
| 300 | ...$this->extras()->css(), |
| 301 | ]; |
| 302 | } |
| 303 | |
| 304 | /** |
| 305 | * Classic scripts, htmx first: plugins rely on its global. |
| 306 | * |
| 307 | * @return list<string> |
| 308 | */ |
| 309 | private function scripts(): array |
| 310 | { |
| 311 | return [...$this->client()->scripts(), ...$this->extras()->scripts()]; |
| 312 | } |
| 313 | |
| 314 | /** @return list<string> */ |
| 315 | private function moduleScripts(): array |
| 316 | { |
| 317 | return [$this->client()->url('src/panel.js'), ...$this->extras()->moduleScripts()]; |
| 318 | } |
| 319 | |
| 320 | protected function client(): Client |
| 321 | { |
| 322 | return $this->client ??= new Client($this->config); |
| 323 | } |
| 324 | |
| 325 | private function extras(): Extras |
| 326 | { |
| 327 | return $this->container->instance(Extras::class); |
| 328 | } |
| 329 | |
| 330 | private function logo(): ?string |
| 331 | { |
| 332 | $logo = $this->config->panel->logo; |
| 333 | |
| 334 | if ($logo === null) { |
| 335 | return null; |
| 336 | } |
| 337 | |
| 338 | $logo = trim((string) $logo); |
| 339 | |
| 340 | return $logo === '' ? null : $logo; |
| 341 | } |
| 342 | |
| 343 | /** @return list<NavigationItem> */ |
| 344 | protected function collections(): array |
| 345 | { |
| 346 | return $this->navigation()->items(); |
| 347 | } |
| 348 | |
| 349 | protected function navigation(): Navigation |
| 350 | { |
| 351 | return $this->container->instance(Navigation::class); |
| 352 | } |
| 353 | |
| 354 | /** The registered collection a panel URL names; unknown handles are not found. */ |
| 355 | protected function ref(string $handle): Ref |
| 356 | { |
| 357 | try { |
| 358 | return $this->navigation()->ref($handle); |
| 359 | } catch (RuntimeException $e) { |
| 360 | throw new HttpNotFound($this->request, previous: $e); |
| 361 | } |
| 362 | } |
| 363 | |
| 364 | /** |
| 365 | * The panel listing of a registered collection. A collection class is |
| 366 | * only instantiated when it implements Entries or Columns; it is then |
| 367 | * created for the request and shares the listing's CMS instance. |
| 368 | */ |
| 369 | protected function listing(Ref $ref): Listing |
| 370 | { |
| 371 | $creator = new Creator($this->container); |
| 372 | $context = $creator->resolve(Context::class, predefinedTypes: [Request::class => $this->request]); |
| 373 | assert($context instanceof Context, 'The request context must be available'); |
| 374 | $cms = $creator->resolve(Cms::class, predefinedTypes: [Context::class => $context]); |
| 375 | assert($cms instanceof Cms, 'The CMS must be available'); |
| 376 | $collection = is_a($ref->class, Entries::class, true) || is_a($ref->class, Columns::class, true) |
| 377 | ? $context->create($ref->class, [Cms::class => $cms]) |
| 378 | : null; |
| 379 | $schemas = $this->container->instance(Schemas::class); |
| 380 | $types = $this->container->instance(Types::class); |
| 381 | |
| 382 | return new Listing($schemas->of($ref->class), $cms, $types, $collection); |
| 383 | } |
| 384 | |
| 385 | /** |
| 386 | * Where the masthead's content entry goes: the first entry of the rail, in |
| 387 | * the rail's own order. Null when a project defines no collections. |
| 388 | * |
| 389 | * @param list<NavigationItem> $items |
| 390 | */ |
| 391 | private function firstUrl(array $items): ?string |
| 392 | { |
| 393 | foreach ($items as $item) { |
| 394 | if ($item instanceof NavLink) { |
| 395 | return $item->url; |
| 396 | } |
| 397 | |
| 398 | $slug = $item->slug(); |
| 399 | |
| 400 | if ($slug !== null) { |
| 401 | return $this->panelPath() . '/collection/' . $slug; |
| 402 | } |
| 403 | |
| 404 | $url = $this->firstUrl($item->children()); |
| 405 | |
| 406 | if ($url !== null) { |
| 407 | return $url; |
| 408 | } |
| 409 | } |
| 410 | |
| 411 | return null; |
| 412 | } |
| 413 | |
| 414 | /** |
| 415 | * The masthead's menus entry, null for users without the permission. |
| 416 | * Cosmetic gating only — the menu routes enforce `edit-menus` |
| 417 | * themselves through the permission middleware. |
| 418 | */ |
| 419 | private function menusUrl(string $panelPath): ?string |
| 420 | { |
| 421 | return $this->permits('edit-menus') ? $panelPath . '/menus' : null; |
| 422 | } |
| 423 | |
| 424 | /** |
| 425 | * The user PanelAuth attached to the request, signed in by session or by |
| 426 | * token alike. Routes without PanelAuth have none. |
| 427 | */ |
| 428 | protected function currentUser(): User |
| 429 | { |
| 430 | $user = $this->request->get('user', null); |
| 431 | |
| 432 | return $user instanceof User ? $user : throw new HttpForbidden($this->request); |
| 433 | } |
| 434 | |
| 435 | /** The current user as the author of a change. */ |
| 436 | protected function actor(): Actor |
| 437 | { |
| 438 | return new Actor($this->currentUser()->id); |
| 439 | } |
| 440 | |
| 441 | protected function permits(string $permission): bool |
| 442 | { |
| 443 | $user = $this->request->get('user', null); |
| 444 | |
| 445 | return $this->container |
| 446 | ->instance(Policy::class) |
| 447 | ->permits($user instanceof User ? $user : null, $permission); |
| 448 | } |
| 449 | |
| 450 | /** @return array{name: ?string, initials: string, title: string, detail: string}|null */ |
| 451 | private function account(): ?array |
| 452 | { |
| 453 | $user = $this->request->get('user', null); |
| 454 | |
| 455 | if (!$user instanceof User) { |
| 456 | return null; |
| 457 | } |
| 458 | |
| 459 | $title = $user->name ?? ($user->username !== '' ? $user->username : $user->email); |
| 460 | |
| 461 | return [ |
| 462 | 'name' => $user->name, |
| 463 | 'initials' => $user->initials(), |
| 464 | 'title' => $title, |
| 465 | 'detail' => $user->email !== $title ? $user->email : '', |
| 466 | ]; |
| 467 | } |
| 468 | |
| 469 | /** @param array{id: string, args?: array<array-key, mixed>}|null $icon */ |
| 470 | private function renderIcon(?array $icon): string |
| 471 | { |
| 472 | if ($icon === null) { |
| 473 | return ''; |
| 474 | } |
| 475 | |
| 476 | $id = $icon['id'] ?? null; |
| 477 | |
| 478 | if (!is_string($id) || trim($id) === '') { |
| 479 | return ''; |
| 480 | } |
| 481 | |
| 482 | $service = $this->container->instance(IconProvider::class); |
| 483 | $args = $icon['args'] ?? []; |
| 484 | |
| 485 | return $service->icon(trim($id), is_array($args) ? $args : []); |
| 486 | } |
| 487 | } |