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| 1 | <?php |
| 2 | /** |
| 3 | * |
| 4 | * This file is part of the phpBB Forum Software package. |
| 5 | * |
| 6 | * @copyright (c) phpBB Limited <https://www.phpbb.com> |
| 7 | * @license GNU General Public License, version 2 (GPL-2.0) |
| 8 | * |
| 9 | * For full copyright and license information, please see |
| 10 | * the docs/CREDITS.txt file. |
| 11 | * |
| 12 | */ |
| 13 | |
| 14 | namespace phpbb\feed\controller; |
| 15 | |
| 16 | use phpbb\auth\auth; |
| 17 | use phpbb\config\config; |
| 18 | use phpbb\db\driver\driver_interface; |
| 19 | use phpbb\event\dispatcher_interface; |
| 20 | use phpbb\exception\http_exception; |
| 21 | use phpbb\feed\feed_interface; |
| 22 | use phpbb\feed\exception\feed_unavailable_exception; |
| 23 | use phpbb\feed\exception\unauthorized_exception; |
| 24 | use phpbb\feed\helper as feed_helper; |
| 25 | use phpbb\controller\helper as controller_helper; |
| 26 | use phpbb\symfony_request; |
| 27 | use phpbb\user; |
| 28 | use phpbb\language\language; |
| 29 | use Symfony\Component\DependencyInjection\ContainerInterface; |
| 30 | use Symfony\Component\HttpFoundation\Response; |
| 31 | use Symfony\Component\Routing\Generator\UrlGeneratorInterface; |
| 32 | use Twig\Environment; |
| 33 | |
| 34 | class feed |
| 35 | { |
| 36 | /** |
| 37 | * @var Environment |
| 38 | */ |
| 39 | protected $template; |
| 40 | |
| 41 | /** |
| 42 | * @var symfony_request |
| 43 | */ |
| 44 | protected $request; |
| 45 | |
| 46 | /** |
| 47 | * @var controller_helper |
| 48 | */ |
| 49 | protected $controller_helper; |
| 50 | |
| 51 | /** |
| 52 | * @var config |
| 53 | */ |
| 54 | protected $config; |
| 55 | |
| 56 | /** |
| 57 | * @var driver_interface |
| 58 | */ |
| 59 | protected $db; |
| 60 | |
| 61 | /** |
| 62 | * @var ContainerInterface |
| 63 | */ |
| 64 | protected $container; |
| 65 | |
| 66 | /** |
| 67 | * @var feed_helper |
| 68 | */ |
| 69 | protected $feed_helper; |
| 70 | |
| 71 | /** |
| 72 | * @var user |
| 73 | */ |
| 74 | protected $user; |
| 75 | |
| 76 | /** |
| 77 | * @var auth |
| 78 | */ |
| 79 | protected $auth; |
| 80 | |
| 81 | /** |
| 82 | * @var dispatcher_interface |
| 83 | */ |
| 84 | protected $phpbb_dispatcher; |
| 85 | |
| 86 | /** |
| 87 | * @var string |
| 88 | */ |
| 89 | protected $php_ext; |
| 90 | |
| 91 | /** |
| 92 | * @var language |
| 93 | */ |
| 94 | protected $language; |
| 95 | |
| 96 | /** |
| 97 | * Constructor |
| 98 | * |
| 99 | * @param Environment $twig |
| 100 | * @param symfony_request $request |
| 101 | * @param controller_helper $controller_helper |
| 102 | * @param config $config |
| 103 | * @param driver_interface $db |
| 104 | * @param ContainerInterface $container |
| 105 | * @param feed_helper $feed_helper |
| 106 | * @param user $user |
| 107 | * @param auth $auth |
| 108 | * @param dispatcher_interface $phpbb_dispatcher |
| 109 | * @param language $language |
| 110 | * @param string $php_ext |
| 111 | */ |
| 112 | public function __construct(Environment $twig, symfony_request $request, controller_helper $controller_helper, config $config, driver_interface $db, ContainerInterface $container, feed_helper $feed_helper, user $user, auth $auth, dispatcher_interface $phpbb_dispatcher, language $language, $php_ext) |
| 113 | { |
| 114 | $this->request = $request; |
| 115 | $this->controller_helper = $controller_helper; |
| 116 | $this->config = $config; |
| 117 | $this->db = $db; |
| 118 | $this->container = $container; |
| 119 | $this->feed_helper = $feed_helper; |
| 120 | $this->user = $user; |
| 121 | $this->auth = $auth; |
| 122 | $this->php_ext = $php_ext; |
| 123 | $this->template = $twig; |
| 124 | $this->language = $language; |
| 125 | $this->phpbb_dispatcher = $phpbb_dispatcher; |
| 126 | } |
| 127 | |
| 128 | /** |
| 129 | * Controller for /feed/forums route |
| 130 | * |
| 131 | * @return Response |
| 132 | * |
| 133 | * @throws http_exception when the feed is disabled |
| 134 | */ |
| 135 | public function forums() |
| 136 | { |
| 137 | $this->check_enabled(); |
| 138 | |
| 139 | if (!$this->config['feed_overall_forums']) |
| 140 | { |
| 141 | $this->send_unavailable(); |
| 142 | } |
| 143 | |
| 144 | return $this->send_feed($this->container->get('feed.forums')); |
| 145 | } |
| 146 | |
| 147 | /** |
| 148 | * Controller for /feed/news route |
| 149 | * |
| 150 | * @return Response |
| 151 | * |
| 152 | * @throws http_exception when the feed is disabled |
| 153 | */ |
| 154 | public function news() |
| 155 | { |
| 156 | $this->check_enabled(); |
| 157 | |
| 158 | // Get at least one news forum |
| 159 | $sql = 'SELECT forum_id |
| 160 | FROM ' . FORUMS_TABLE . ' |
| 161 | WHERE ' . $this->db->sql_bit_and('forum_options', FORUM_OPTION_FEED_NEWS, '<> 0'); |
| 162 | $result = $this->db->sql_query_limit($sql, 1, 0, 600); |
| 163 | $s_feed_news = (int) $this->db->sql_fetchfield('forum_id'); |
| 164 | $this->db->sql_freeresult($result); |
| 165 | |
| 166 | if (!$s_feed_news) |
| 167 | { |
| 168 | $this->send_unavailable(); |
| 169 | } |
| 170 | |
| 171 | return $this->send_feed($this->container->get('feed.news')); |
| 172 | } |
| 173 | |
| 174 | /** |
| 175 | * Controller for /feed/topics route |
| 176 | * |
| 177 | * @return Response |
| 178 | * |
| 179 | * @throws http_exception when the feed is disabled |
| 180 | */ |
| 181 | public function topics() |
| 182 | { |
| 183 | $this->check_enabled(); |
| 184 | |
| 185 | if (!$this->config['feed_topics_new']) |
| 186 | { |
| 187 | $this->send_unavailable(); |
| 188 | } |
| 189 | |
| 190 | return $this->send_feed($this->container->get('feed.topics')); |
| 191 | } |
| 192 | |
| 193 | /** |
| 194 | * Controller for /feed/topics_new route |
| 195 | * |
| 196 | * @return Response |
| 197 | * |
| 198 | * @throws http_exception when the feed is disabled |
| 199 | */ |
| 200 | public function topics_new() |
| 201 | { |
| 202 | $this->check_enabled(); |
| 203 | |
| 204 | return $this->topics(); |
| 205 | } |
| 206 | |
| 207 | /** |
| 208 | * Controller for /feed/topics_active route |
| 209 | * |
| 210 | * @return Response |
| 211 | * |
| 212 | * @throws http_exception when the feed is disabled |
| 213 | */ |
| 214 | public function topics_active() |
| 215 | { |
| 216 | $this->check_enabled(); |
| 217 | |
| 218 | if (!$this->config['feed_topics_active']) |
| 219 | { |
| 220 | $this->send_unavailable(); |
| 221 | } |
| 222 | |
| 223 | return $this->send_feed($this->container->get('feed.topics_active')); |
| 224 | } |
| 225 | |
| 226 | /** |
| 227 | * Controller for /feed/forum/{forum_id} route |
| 228 | * |
| 229 | * @param int $forum_id |
| 230 | * |
| 231 | * @return Response |
| 232 | * |
| 233 | * @throws http_exception when the feed is disabled |
| 234 | */ |
| 235 | public function forum($forum_id) |
| 236 | { |
| 237 | $this->check_enabled(); |
| 238 | |
| 239 | if (!$this->config['feed_forum']) |
| 240 | { |
| 241 | $this->send_unavailable(); |
| 242 | } |
| 243 | |
| 244 | return $this->send_feed($this->container->get('feed.forum')->set_forum_id($forum_id)); |
| 245 | } |
| 246 | |
| 247 | /** |
| 248 | * Controller for /feed/topic/{topic_id} route |
| 249 | * |
| 250 | * @param int $topic_id |
| 251 | * |
| 252 | * @return Response |
| 253 | * |
| 254 | * @throws http_exception when the feed is disabled |
| 255 | */ |
| 256 | public function topic($topic_id) |
| 257 | { |
| 258 | $this->check_enabled(); |
| 259 | |
| 260 | if (!$this->config['feed_topic']) |
| 261 | { |
| 262 | $this->send_unavailable(); |
| 263 | } |
| 264 | |
| 265 | return $this->send_feed($this->container->get('feed.topic')->set_topic_id($topic_id)); |
| 266 | } |
| 267 | |
| 268 | /** |
| 269 | * Controller for /feed/{mode] route |
| 270 | * |
| 271 | * @return Response |
| 272 | * |
| 273 | * @throws http_exception when the feed is disabled |
| 274 | */ |
| 275 | public function overall() |
| 276 | { |
| 277 | $this->check_enabled(); |
| 278 | |
| 279 | if (!$this->config['feed_overall']) |
| 280 | { |
| 281 | $this->send_unavailable(); |
| 282 | } |
| 283 | |
| 284 | return $this->send_feed($this->container->get('feed.overall')); |
| 285 | } |
| 286 | |
| 287 | /** |
| 288 | * Display a given feed |
| 289 | * |
| 290 | * @param feed_interface $feed |
| 291 | * |
| 292 | * @return Response |
| 293 | */ |
| 294 | protected function send_feed(feed_interface $feed) |
| 295 | { |
| 296 | try |
| 297 | { |
| 298 | return $this->send_feed_do($feed); |
| 299 | } |
| 300 | catch (feed_unavailable_exception $e) |
| 301 | { |
| 302 | throw new http_exception(Response::HTTP_NOT_FOUND, $e->getMessage(), $e->get_parameters(), $e); |
| 303 | } |
| 304 | catch (unauthorized_exception $e) |
| 305 | { |
| 306 | throw new http_exception(Response::HTTP_FORBIDDEN, $e->getMessage(), $e->get_parameters(), $e); |
| 307 | } |
| 308 | } |
| 309 | |
| 310 | /** |
| 311 | * Really send the feed |
| 312 | * |
| 313 | * @param feed_interface $feed |
| 314 | * |
| 315 | * @return Response |
| 316 | * |
| 317 | * @throws \phpbb\feed\exception\feed_exception |
| 318 | */ |
| 319 | protected function send_feed_do(feed_interface $feed) |
| 320 | { |
| 321 | $feed_updated_time = 0; |
| 322 | $item_vars = array(); |
| 323 | $this->language->add_lang('viewtopic'); |
| 324 | |
| 325 | $board_url = $this->feed_helper->get_board_url(); |
| 326 | |
| 327 | // Open Feed |
| 328 | $feed->open(); |
| 329 | |
| 330 | // Iterate through items |
| 331 | while ($row = $feed->get_item()) |
| 332 | { |
| 333 | /** |
| 334 | * Event to modify the feed row |
| 335 | * |
| 336 | * @event core.feed_modify_feed_row |
| 337 | * @var feed_interface feed Feed instance |
| 338 | * @var array row Array with feed data |
| 339 | * |
| 340 | * @since 3.1.10-RC1 |
| 341 | * @changed 3.3.0 Replace forum_id, mode, topic_id with feed instance |
| 342 | */ |
| 343 | $vars = array('feed', 'row'); |
| 344 | extract($this->phpbb_dispatcher->trigger_event('core.feed_modify_feed_row', compact($vars))); |
| 345 | |
| 346 | // BBCode options to correctly disable urls, smilies, bbcode... |
| 347 | if ($feed->get('options') === null) |
| 348 | { |
| 349 | // Allow all combinations |
| 350 | $options = 7; |
| 351 | |
| 352 | if ($feed->get('enable_bbcode') !== null && $feed->get('enable_smilies') !== null && $feed->get('enable_magic_url') !== null) |
| 353 | { |
| 354 | $options = (($row[$feed->get('enable_bbcode')]) ? OPTION_FLAG_BBCODE : 0) + (($row[$feed->get('enable_smilies')]) ? OPTION_FLAG_SMILIES : 0) + (($row[$feed->get('enable_magic_url')]) ? OPTION_FLAG_LINKS : 0); |
| 355 | } |
| 356 | } |
| 357 | else |
| 358 | { |
| 359 | $options = $row[$feed->get('options')]; |
| 360 | } |
| 361 | |
| 362 | $title = (isset($row[$feed->get('title')]) && $row[$feed->get('title')] !== '') ? $row[$feed->get('title')] : ((isset($row[$feed->get('title2')])) ? $row[$feed->get('title2')] : ''); |
| 363 | |
| 364 | $published = ($feed->get('published') !== null) ? (int) $row[$feed->get('published')] : 0; |
| 365 | $updated = ($feed->get('updated') !== null) ? (int) $row[$feed->get('updated')] : 0; |
| 366 | |
| 367 | $display_attachments = ($this->auth->acl_get('u_download') && $this->auth->acl_get('f_download', $row['forum_id']) && isset($row['post_attachment']) && $row['post_attachment']) ? true : false; |
| 368 | |
| 369 | $item_row = array( |
| 370 | 'author' => ($feed->get('creator') !== null) ? $row[$feed->get('creator')] : '', |
| 371 | 'published' => ($published > 0) ? $this->feed_helper->format_date($published) : '', |
| 372 | 'updated' => ($updated > 0) ? $this->feed_helper->format_date($updated) : '', |
| 373 | 'link' => '', |
| 374 | 'title' => censor_text($title), |
| 375 | 'category' => ($this->config['feed_item_statistics'] && !empty($row['forum_id'])) ? $board_url . '/viewforum.' . $this->php_ext . '?f=' . $row['forum_id'] : '', |
| 376 | 'category_name' => ($this->config['feed_item_statistics'] && isset($row['forum_name'])) ? $row['forum_name'] : '', |
| 377 | 'description' => censor_text($this->feed_helper->generate_content($row[$feed->get('text')], $row[$feed->get('bbcode_uid')], $row[$feed->get('bitfield')], $options, $row['forum_id'], ($display_attachments ? $feed->get_attachments($row['post_id']) : array()))), |
| 378 | 'statistics' => '', |
| 379 | ); |
| 380 | |
| 381 | // Adjust items, fill link, etc. |
| 382 | $feed->adjust_item($item_row, $row); |
| 383 | |
| 384 | $item_vars[] = $item_row; |
| 385 | |
| 386 | $feed_updated_time = max($feed_updated_time, $published, $updated); |
| 387 | } |
| 388 | |
| 389 | // If we do not have any items at all, sending the current time is better than sending no time. |
| 390 | if (!$feed_updated_time) |
| 391 | { |
| 392 | $feed_updated_time = time(); |
| 393 | } |
| 394 | |
| 395 | $feed->close(); |
| 396 | |
| 397 | $content = $this->template->render('feed.xml.twig', array( |
| 398 | // Some default assignments |
| 399 | // FEED_IMAGE is not used (atom) |
| 400 | 'FEED_IMAGE' => '', |
| 401 | 'SELF_LINK' => $this->controller_helper->route($this->request->attributes->get('_route'), $this->request->attributes->get('_route_params'), true, '', UrlGeneratorInterface::ABSOLUTE_URL), |
| 402 | 'FEED_LINK' => $board_url . '/index.' . $this->php_ext, |
| 403 | 'FEED_TITLE' => $this->config['sitename'], |
| 404 | 'FEED_SUBTITLE' => $this->config['site_desc'], |
| 405 | 'FEED_UPDATED' => $this->feed_helper->format_date($feed_updated_time), |
| 406 | 'FEED_LANG' => $this->language->lang('USER_LANG'), |
| 407 | 'FEED_AUTHOR' => $this->config['sitename'], |
| 408 | |
| 409 | // Feed entries |
| 410 | 'FEED_ROWS' => $item_vars, |
| 411 | )); |
| 412 | |
| 413 | $response = new Response($content); |
| 414 | $response->headers->set('Content-Type', 'application/atom+xml; charset=UTF-8'); |
| 415 | $response->setLastModified(new \DateTime('@' . $feed_updated_time)); |
| 416 | |
| 417 | if (!empty($this->user->data['is_bot'])) |
| 418 | { |
| 419 | // Let reverse proxies know we detected a bot. |
| 420 | $response->headers->set('X-PHPBB-IS-BOT', 'yes'); |
| 421 | } |
| 422 | |
| 423 | return $response; |
| 424 | } |
| 425 | |
| 426 | /** |
| 427 | * Check if feeds are enabled in the configuration. |
| 428 | * |
| 429 | * @throws http_exception If feeds are disabled. |
| 430 | * |
| 431 | * @return void |
| 432 | */ |
| 433 | protected function check_enabled() |
| 434 | { |
| 435 | // Feeds are disabled, no need to continue |
| 436 | if (!$this->config['feed_enable']) |
| 437 | { |
| 438 | throw new http_exception(404, 'NO_FEED_ENABLED'); |
| 439 | } |
| 440 | } |
| 441 | |
| 442 | /** |
| 443 | * Throw and exception saying that the feed isn't available |
| 444 | * |
| 445 | * @throws http_exception |
| 446 | */ |
| 447 | protected function send_unavailable() |
| 448 | { |
| 449 | throw new http_exception(404, 'FEATURE_NOT_AVAILABLE'); |
| 450 | } |
| 451 | } |