3 namespace Friendica\App;
9 use Friendica\Content\Nav;
10 use Friendica\Core\Config\IConfig;
11 use Friendica\Core\PConfig\IPConfig;
12 use Friendica\Core\Hook;
13 use Friendica\Core\L10n;
14 use Friendica\Core\Renderer;
15 use Friendica\Core\Theme;
16 use Friendica\Module\Special\HTTPException as ModuleHTTPException;
17 use Friendica\Network\HTTPException;
18 use Friendica\Util\Network;
19 use Friendica\Util\Strings;
22 * Contains the page specific environment variables for the current Page
23 * - Contains all stylesheets
24 * - Contains all footer-scripts
25 * - Contains all page specific content (header, footer, content, ...)
27 * The run() method is the single point where the page will get printed to the screen
29 class Page implements ArrayAccess
32 * @var array Contains all stylesheets, which should get loaded during page
34 private $stylesheets = [];
36 * @var array Contains all scripts, which are added to the footer at last
38 private $footerScripts = [];
40 * @var array The page content, which are showed directly
55 * @var string The basepath of the page
60 * @param string $basepath The Page basepath
62 public function __construct(string $basepath)
64 $this->basePath = $basepath;
68 * Whether a offset exists
70 * @link https://php.net/manual/en/arrayaccess.offsetexists.php
72 * @param mixed $offset <p>
73 * An offset to check for.
76 * @return boolean true on success or false on failure.
79 * The return value will be casted to boolean if non-boolean was returned.
82 public function offsetExists($offset)
84 return isset($this->page[$offset]);
90 * @link https://php.net/manual/en/arrayaccess.offsetget.php
92 * @param mixed $offset <p>
93 * The offset to retrieve.
96 * @return mixed Can return all value types.
99 public function offsetGet($offset)
101 return $this->page[$offset] ?? null;
107 * @link https://php.net/manual/en/arrayaccess.offsetset.php
109 * @param mixed $offset <p>
110 * The offset to assign the value to.
112 * @param mixed $value <p>
119 public function offsetSet($offset, $value)
121 $this->page[$offset] = $value;
127 * @link https://php.net/manual/en/arrayaccess.offsetunset.php
129 * @param mixed $offset <p>
130 * The offset to unset.
136 public function offsetUnset($offset)
138 if (isset($this->page[$offset])) {
139 unset($this->page[$offset]);
144 * Register a stylesheet file path to be included in the <head> tag of every page.
145 * Inclusion is done in App->initHead().
146 * The path can be absolute or relative to the Friendica installation base folder.
148 * @param string $path
150 * @see Page::initHead()
153 public function registerStylesheet($path)
155 $path = Network::appendQueryParam($path, ['v' => FRIENDICA_VERSION]);
157 if (mb_strpos($path, $this->basePath . DIRECTORY_SEPARATOR) === 0) {
158 $path = mb_substr($path, mb_strlen($this->basePath . DIRECTORY_SEPARATOR));
161 $this->stylesheets[] = trim($path, '/');
165 * Initializes Page->page['htmlhead'].
170 * - Registered stylesheets (through App->registerStylesheet())
171 * - Infinite scroll data
172 * - head.tpl template
174 * @param App $app The Friendica App instance
175 * @param Module $module The loaded Friendica module
176 * @param L10n $l10n The l10n language instance
177 * @param IConfig $config The Friendica configuration
178 * @param IPConfig $pConfig The Friendica personal configuration (for user)
180 * @throws HTTPException\InternalServerErrorException
182 private function initHead(App $app, Module $module, L10n $l10n, IConfig $config, IPConfig $pConfig)
184 $interval = ((local_user()) ? $pConfig->get(local_user(), 'system', 'update_interval') : 40000);
186 // If the update is 'deactivated' set it to the highest integer number (~24 days)
188 $interval = 2147483647;
191 if ($interval < 10000) {
195 // Default title: current module called
196 if (empty($this->page['title']) && $module->getName()) {
197 $this->page['title'] = ucfirst($module->getName());
200 // Prepend the sitename to the page title
201 $this->page['title'] = $config->get('config', 'sitename', '') . (!empty($this->page['title']) ? ' | ' . $this->page['title'] : '');
203 if (!empty(Renderer::$theme['stylesheet'])) {
204 $stylesheet = Renderer::$theme['stylesheet'];
206 $stylesheet = $app->getCurrentThemeStylesheetPath();
209 $this->registerStylesheet($stylesheet);
211 $shortcut_icon = $config->get('system', 'shortcut_icon');
212 if ($shortcut_icon == '') {
213 $shortcut_icon = 'images/friendica-32.png';
216 $touch_icon = $config->get('system', 'touch_icon');
217 if ($touch_icon == '') {
218 $touch_icon = 'images/friendica-128.png';
221 Hook::callAll('head', $this->page['htmlhead']);
223 $tpl = Renderer::getMarkupTemplate('head.tpl');
224 /* put the head template at the beginning of page['htmlhead']
225 * since the code added by the modules frequently depends on it
228 $this->page['htmlhead'] = Renderer::replaceMacros($tpl, [
229 '$local_user' => local_user(),
230 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
231 '$delitem' => $l10n->t('Delete this item?'),
232 '$update_interval' => $interval,
233 '$shortcut_icon' => $shortcut_icon,
234 '$touch_icon' => $touch_icon,
235 '$block_public' => intval($config->get('system', 'block_public')),
236 '$stylesheets' => array_unique($this->stylesheets),
237 ]) . $this->page['htmlhead'];
241 * Initializes Page->page['footer'].
244 * - Javascript homebase
245 * - Mobile toggle link
246 * - Registered footer scripts (through App->registerFooterScript())
247 * - footer.tpl template
249 * @param App $app The Friendica App instance
250 * @param Mode $mode The Friendica runtime mode
251 * @param L10n $l10n The l10n instance
253 * @throws HTTPException\InternalServerErrorException
255 private function initFooter(App $app, Mode $mode, L10n $l10n)
257 // If you're just visiting, let javascript take you home
258 if (!empty($_SESSION['visitor_home'])) {
259 $homebase = $_SESSION['visitor_home'];
260 } elseif (local_user()) {
261 $homebase = 'profile/' . $app->user['nickname'];
264 if (isset($homebase)) {
265 $this->page['footer'] .= '<script>var homebase="' . $homebase . '";</script>' . "\n";
269 * Add a "toggle mobile" link if we're using a mobile device
271 if ($mode->isMobile() || $mode->isTablet()) {
272 if (isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
273 $link = 'toggle_mobile?address=' . urlencode(curPageURL());
275 $link = 'toggle_mobile?off=1&address=' . urlencode(curPageURL());
277 $this->page['footer'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate("toggle_mobile_footer.tpl"), [
278 '$toggle_link' => $link,
279 '$toggle_text' => $l10n->t('toggle mobile')
283 Hook::callAll('footer', $this->page['footer']);
285 $tpl = Renderer::getMarkupTemplate('footer.tpl');
286 $this->page['footer'] = Renderer::replaceMacros($tpl, [
287 '$footerScripts' => array_unique($this->footerScripts),
288 ]) . $this->page['footer'];
292 * Initializes Page->page['content'].
296 * - hooks for content
298 * @param Module $module The module
299 * @param Mode $mode The Friendica execution mode
301 * @throws HTTPException\InternalServerErrorException
303 private function initContent(Module $module, Mode $mode)
308 $moduleClass = $module->getClassName();
310 $arr = ['content' => $content];
311 Hook::callAll($moduleClass . '_mod_content', $arr);
312 $content = $arr['content'];
313 $arr = ['content' => call_user_func([$moduleClass, 'content'], $module->getParameters())];
314 Hook::callAll($moduleClass . '_mod_aftercontent', $arr);
315 $content .= $arr['content'];
316 } catch (HTTPException $e) {
317 $content = ModuleHTTPException::content($e);
320 // initialise content region
321 if ($mode->isNormal()) {
322 Hook::callAll('page_content_top', $this->page['content']);
325 $this->page['content'] .= $content;
329 * Register a javascript file path to be included in the <footer> tag of every page.
330 * Inclusion is done in App->initFooter().
331 * The path can be absolute or relative to the Friendica installation base folder.
333 * @param string $path
335 * @see Page::initFooter()
338 public function registerFooterScript($path)
340 $path = Network::appendQueryParam($path, ['v' => FRIENDICA_VERSION]);
342 $url = str_replace($this->basePath . DIRECTORY_SEPARATOR, '', $path);
344 $this->footerScripts[] = trim($url, '/');
348 * Executes the creation of the current page and prints it to the screen
350 * @param App $app The Friendica App
351 * @param BaseURL $baseURL The Friendica Base URL
352 * @param Mode $mode The current node mode
353 * @param Module $module The loaded Friendica module
354 * @param L10n $l10n The l10n language class
355 * @param IConfig $config The Configuration of this node
356 * @param IPConfig $pconfig The personal/user configuration
358 * @throws HTTPException\InternalServerErrorException
360 public function run(App $app, BaseURL $baseURL, Mode $mode, Module $module, L10n $l10n, IConfig $config, IPConfig $pconfig)
362 $moduleName = $module->getName();
364 /* Create the page content.
365 * Calls all hooks which are including content operations
367 * Sets the $Page->page['content'] variable
369 $this->initContent($module, $mode);
371 // Load current theme info after module has been initialized as theme could have been set in module
372 $currentTheme = $app->getCurrentTheme();
373 $theme_info_file = 'view/theme/' . $currentTheme . '/theme.php';
374 if (file_exists($theme_info_file)) {
375 require_once $theme_info_file;
378 if (function_exists(str_replace('-', '_', $currentTheme) . '_init')) {
379 $func = str_replace('-', '_', $currentTheme) . '_init';
383 /* Create the page head after setting the language
384 * and getting any auth credentials.
386 * Moved initHead() and initFooter() to after
387 * all the module functions have executed so that all
388 * theme choices made by the modules can take effect.
390 $this->initHead($app, $module, $l10n, $config, $pconfig);
392 /* Build the page ending -- this is stuff that goes right before
393 * the closing </body> tag
395 $this->initFooter($app, $mode, $l10n);
397 if (!$mode->isAjax()) {
398 Hook::callAll('page_end', $this->page['content']);
401 // Add the navigation (menu) template
402 if ($moduleName != 'install' && $moduleName != 'maintenance') {
403 $this->page['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('nav_head.tpl'), []);
404 $this->page['nav'] = Nav::build($app);
407 // Build the page - now that we have all the components
408 if (isset($_GET["mode"]) && (($_GET["mode"] == "raw") || ($_GET["mode"] == "minimal"))) {
409 $doc = new DOMDocument();
411 $target = new DOMDocument();
412 $target->loadXML("<root></root>");
414 $content = mb_convert_encoding($this->page["content"], 'HTML-ENTITIES', "UTF-8");
416 /// @TODO one day, kill those error-surpressing @ stuff, or PHP should ban it
417 @$doc->loadHTML($content);
419 $xpath = new DOMXPath($doc);
421 $list = $xpath->query("//*[contains(@id,'tread-wrapper-')]"); /* */
423 foreach ($list as $item) {
424 $item = $target->importNode($item, true);
426 // And then append it to the target
427 $target->documentElement->appendChild($item);
430 if ($_GET["mode"] == "raw") {
431 header("Content-type: text/html; charset=utf-8");
433 echo substr($target->saveHTML(), 6, -8);
440 $profile = $app->profile;
442 header("X-Friendica-Version: " . FRIENDICA_VERSION);
443 header("Content-type: text/html; charset=utf-8");
445 if ($config->get('system', 'hsts') && ($baseURL->getSSLPolicy() == BaseURL::SSL_POLICY_FULL)) {
446 header("Strict-Transport-Security: max-age=31536000");
449 // Some security stuff
450 header('X-Content-Type-Options: nosniff');
451 header('X-XSS-Protection: 1; mode=block');
452 header('X-Permitted-Cross-Domain-Policies: none');
453 header('X-Frame-Options: sameorigin');
455 // Things like embedded OSM maps don't work, when this is enabled
456 // header("Content-Security-Policy: default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval'; connect-src 'self'; style-src 'self' 'unsafe-inline'; font-src 'self'; img-src 'self' https: data:; media-src 'self' https:; child-src 'self' https:; object-src 'none'");
458 /* We use $_GET["mode"] for special page templates. So we will check if we have
459 * to load another page template than the default one.
460 * The page templates are located in /view/php/ or in the theme directory.
462 if (isset($_GET['mode'])) {
463 $template = Theme::getPathForFile('php/' . Strings::sanitizeFilePathItem($_GET['mode']) . '.php');
466 // If there is no page template use the default page template
467 if (empty($template)) {
468 $template = Theme::getPathForFile('php/default.php');
471 // Theme templates expect $a as an App instance
474 // Used as is in view/php/default.php
475 $lang = $l10n->getCurrentLang();
477 require_once $template;