3 * StatusNet, the distributed open-source microblogging tool
5 * Base class for all actions (~views)
9 * LICENCE: This program is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU Affero General Public License as published by
11 * the Free Software Foundation, either version 3 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU Affero General Public License for more details.
19 * You should have received a copy of the GNU Affero General Public License
20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 * @author Evan Prodromou <evan@status.net>
25 * @author Sarven Capadisli <csarven@status.net>
26 * @copyright 2008 StatusNet, Inc.
27 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
28 * @link http://status.net/
31 if (!defined('STATUSNET') && !defined('LACONICA')) {
35 require_once INSTALLDIR.'/lib/noticeform.php';
36 require_once INSTALLDIR.'/lib/htmloutputter.php';
39 * Base class for all actions
41 * This is the base class for all actions in the package. An action is
42 * more or less a "view" in an MVC framework.
44 * Actions are responsible for extracting and validating parameters; using
45 * model classes to read and write to the database; and doing ouput.
49 * @author Evan Prodromou <evan@status.net>
50 * @author Sarven Capadisli <csarven@status.net>
51 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
52 * @link http://status.net/
56 class Action extends HTMLOutputter // lawsuit
63 * Just wraps the HTMLOutputter constructor.
65 * @param string $output URI to output to, default = stdout
66 * @param boolean $indent Whether to indent output, default true
68 * @see XMLOutputter::__construct
69 * @see HTMLOutputter::__construct
71 function __construct($output='php://output', $indent=null)
73 parent::__construct($output, $indent);
77 * For initializing members of the class.
79 * @param array $argarray misc. arguments
81 * @return boolean true
83 function prepare($argarray)
85 $this->args =& common_copy_args($argarray);
87 if ($this->boolean('ajax')) {
88 StatusNet::setAjax(true);
95 * Show page, a template method.
101 if (Event::handle('StartShowHTML', array($this))) {
104 Event::handle('EndShowHTML', array($this));
106 if (Event::handle('StartShowHead', array($this))) {
109 Event::handle('EndShowHead', array($this));
111 if (Event::handle('StartShowBody', array($this))) {
113 Event::handle('EndShowBody', array($this));
115 if (Event::handle('StartEndHTML', array($this))) {
117 Event::handle('EndEndHTML', array($this));
125 if (isset($_startTime)) {
126 $endTime = microtime(true);
127 $diff = round(($endTime - $_startTime) * 1000);
128 $this->raw("<!-- ${diff}ms -->");
131 return parent::endHTML();
135 * Show head, a template method.
141 // XXX: attributes (profile?)
142 $this->elementStart('head');
143 if (Event::handle('StartShowHeadElements', array($this))) {
144 if (Event::handle('StartShowHeadTitle', array($this))) {
146 Event::handle('EndShowHeadTitle', array($this));
148 $this->showShortcutIcon();
149 $this->showStylesheets();
150 $this->showOpenSearch();
152 $this->showDescription();
154 Event::handle('EndShowHeadElements', array($this));
156 $this->elementEnd('head');
160 * Show title, a template method.
166 $this->element('title', null,
167 // TRANS: Page title. %1$s is the title, %2$s is the site name.
168 sprintf(_('%1$s - %2$s'),
170 common_config('site', 'name')));
174 * Returns the page title
178 * @return string page title
183 // TRANS: Page title for a page without a title set.
184 return _('Untitled page');
188 * Show themed shortcut icon
192 function showShortcutIcon()
194 if (is_readable(INSTALLDIR . '/theme/' . common_config('site', 'theme') . '/favicon.ico')) {
195 $this->element('link', array('rel' => 'shortcut icon',
196 'href' => Theme::path('favicon.ico')));
198 // favicon.ico should be HTTPS if the rest of the page is
199 $this->element('link', array('rel' => 'shortcut icon',
200 'href' => common_path('favicon.ico', StatusNet::isHTTPS())));
203 if (common_config('site', 'mobile')) {
204 if (is_readable(INSTALLDIR . '/theme/' . common_config('site', 'theme') . '/apple-touch-icon.png')) {
205 $this->element('link', array('rel' => 'apple-touch-icon',
206 'href' => Theme::path('apple-touch-icon.png')));
208 $this->element('link', array('rel' => 'apple-touch-icon',
209 'href' => common_path('apple-touch-icon.png')));
219 function showStylesheets()
221 if (Event::handle('StartShowStyles', array($this))) {
223 // Use old name for StatusNet for compatibility on events
225 if (Event::handle('StartShowStatusNetStyles', array($this)) &&
226 Event::handle('StartShowLaconicaStyles', array($this))) {
227 $this->primaryCssLink(null, 'screen, projection, tv, print');
228 Event::handle('EndShowStatusNetStyles', array($this));
229 Event::handle('EndShowLaconicaStyles', array($this));
232 $this->cssLink(common_path('js/css/smoothness/jquery-ui.css'));
234 if (Event::handle('StartShowUAStyles', array($this))) {
235 $this->comment('[if IE]><link rel="stylesheet" type="text/css" '.
236 'href="'.Theme::path('css/ie.css', 'base').'?version='.STATUSNET_VERSION.'" /><![endif]');
237 foreach (array(6,7) as $ver) {
238 if (file_exists(Theme::file('css/ie'.$ver.'.css', 'base'))) {
239 // Yes, IE people should be put in jail.
240 $this->comment('[if lte IE '.$ver.']><link rel="stylesheet" type="text/css" '.
241 'href="'.Theme::path('css/ie'.$ver.'.css', 'base').'?version='.STATUSNET_VERSION.'" /><![endif]');
244 if (file_exists(Theme::file('css/ie.css'))) {
245 $this->comment('[if IE]><link rel="stylesheet" type="text/css" '.
246 'href="'.Theme::path('css/ie.css', null).'?version='.STATUSNET_VERSION.'" /><![endif]');
248 Event::handle('EndShowUAStyles', array($this));
251 Event::handle('EndShowStyles', array($this));
253 if (common_config('custom_css', 'enabled')) {
254 $css = common_config('custom_css', 'css');
255 if (Event::handle('StartShowCustomCss', array($this, &$css))) {
256 if (trim($css) != '') {
259 Event::handle('EndShowCustomCss', array($this));
265 function primaryCssLink($mainTheme=null, $media=null)
267 $theme = new Theme($mainTheme);
269 // Some themes may have external stylesheets, such as using the
270 // Google Font APIs to load webfonts.
271 foreach ($theme->getExternals() as $url) {
272 $this->cssLink($url, $mainTheme, $media);
275 // If the currently-selected theme has dependencies on other themes,
276 // we'll need to load their display.css files as well in order.
277 $baseThemes = $theme->getDeps();
278 foreach ($baseThemes as $baseTheme) {
279 $this->cssLink('css/display.css', $baseTheme, $media);
281 $this->cssLink('css/display.css', $mainTheme, $media);
283 // Additional styles for RTL languages
284 if (is_rtl(common_language())) {
285 if (file_exists(Theme::file('css/rtl.css'))) {
286 $this->cssLink('css/rtl.css', $mainTheme, $media);
292 * Show javascript headers
296 function showScripts()
298 if (Event::handle('StartShowScripts', array($this))) {
299 if (Event::handle('StartShowJQueryScripts', array($this))) {
300 if (common_config('site', 'minify')) {
301 $this->script('jquery.min.js');
302 $this->script('jquery.form.min.js');
303 $this->script('jquery-ui.min.js');
304 $this->script('jquery.cookie.min.js');
305 $this->inlineScript('if (typeof window.JSON !== "object") { $.getScript("'.common_path('js/json2.min.js').'"); }');
306 $this->script('jquery.joverlay.min.js');
307 $this->script('jquery.infieldlabel.min.js');
309 $this->script('jquery.js');
310 $this->script('jquery.form.js');
311 $this->script('jquery-ui.min.js');
312 $this->script('jquery.cookie.js');
313 $this->inlineScript('if (typeof window.JSON !== "object") { $.getScript("'.common_path('js/json2.js').'"); }');
314 $this->script('jquery.joverlay.js');
315 $this->script('jquery.infieldlabel.js');
318 Event::handle('EndShowJQueryScripts', array($this));
320 if (Event::handle('StartShowStatusNetScripts', array($this)) &&
321 Event::handle('StartShowLaconicaScripts', array($this))) {
322 if (common_config('site', 'minify')) {
323 $this->script('util.min.js');
325 $this->script('util.js');
326 $this->script('xbImportNode.js');
327 $this->script('geometa.js');
329 // This route isn't available in single-user mode.
330 // Not sure why, but it causes errors here.
331 if (!common_config('singleuser', 'enabled')) {
332 $this->inlineScript('var _peopletagAC = "' .
333 common_local_url('peopletagautocomplete') . '";');
335 $this->showScriptMessages();
336 // Anti-framing code to avoid clickjacking attacks in older browsers.
337 // This will show a blank page if the page is being framed, which is
338 // consistent with the behavior of the 'X-Frame-Options: SAMEORIGIN'
339 // header, which prevents framing in newer browser.
340 if (common_config('javascript', 'bustframes')) {
341 $this->inlineScript('if (window.top !== window.self) { document.write = ""; window.top.location = window.self.location; setTimeout(function () { document.body.innerHTML = ""; }, 1); window.self.onload = function () { document.body.innerHTML = ""; }; }');
343 Event::handle('EndShowStatusNetScripts', array($this));
344 Event::handle('EndShowLaconicaScripts', array($this));
346 Event::handle('EndShowScripts', array($this));
351 * Exports a map of localized text strings to JavaScript code.
353 * Plugins can add to what's exported by hooking the StartScriptMessages or EndScriptMessages
354 * events and appending to the array. Try to avoid adding strings that won't be used, as
355 * they'll be added to HTML output.
357 function showScriptMessages()
361 if (Event::handle('StartScriptMessages', array($this, &$messages))) {
362 // Common messages needed for timeline views etc...
364 // TRANS: Localized tooltip for '...' expansion button on overlong remote messages.
365 $messages['showmore_tooltip'] = _m('TOOLTIP', 'Show more');
367 // TRANS: Inline reply form submit button: submits a reply comment.
368 $messages['reply_submit'] = _m('BUTTON', 'Reply');
370 // TRANS: Placeholder text for inline reply form. Clicking in this box will turn it into a mini notice form.
371 $messages['reply_placeholder'] = _m('Write a reply...');
373 $messages = array_merge($messages, $this->getScriptMessages());
375 Event::handle('EndScriptMessages', array($this, &$messages));
378 if (!empty($messages)) {
379 $this->inlineScript('SN.messages=' . json_encode($messages));
386 * If the action will need localizable text strings, export them here like so:
388 * return array('pool_deepend' => _('Deep end'),
389 * 'pool_shallow' => _('Shallow end'));
391 * The exported map will be available via SN.msg() to JS code:
393 * $('#pool').html('<div class="deepend"></div><div class="shallow"></div>');
394 * $('#pool .deepend').text(SN.msg('pool_deepend'));
395 * $('#pool .shallow').text(SN.msg('pool_shallow'));
397 * Exports a map of localized text strings to JavaScript code.
399 * Plugins can add to what's exported on any action by hooking the StartScriptMessages or
400 * EndScriptMessages events and appending to the array. Try to avoid adding strings that won't
401 * be used, as they'll be added to HTML output.
403 function getScriptMessages()
409 * Show OpenSearch headers
413 function showOpenSearch()
415 $this->element('link', array('rel' => 'search',
416 'type' => 'application/opensearchdescription+xml',
417 'href' => common_local_url('opensearch', array('type' => 'people')),
418 'title' => common_config('site', 'name').' People Search'));
419 $this->element('link', array('rel' => 'search', 'type' => 'application/opensearchdescription+xml',
420 'href' => common_local_url('opensearch', array('type' => 'notice')),
421 'title' => common_config('site', 'name').' Notice Search'));
433 $feeds = $this->getFeeds();
436 foreach ($feeds as $feed) {
437 $this->element('link', array('rel' => $feed->rel(),
438 'href' => $feed->url,
439 'type' => $feed->mimeType(),
440 'title' => $feed->title));
452 function showDescription()
454 // does nothing by default
458 * Show extra stuff in <head>.
466 // does nothing by default
472 * Calls template methods
478 $this->elementStart('body', (common_current_user()) ? array('id' => strtolower($this->trimmed('action')),
479 'class' => 'user_in')
480 : array('id' => strtolower($this->trimmed('action'))));
481 $this->elementStart('div', array('id' => 'wrap'));
482 if (Event::handle('StartShowHeader', array($this))) {
485 Event::handle('EndShowHeader', array($this));
489 if (Event::handle('StartShowFooter', array($this))) {
492 Event::handle('EndShowFooter', array($this));
494 $this->elementEnd('div');
495 $this->showScripts();
496 $this->elementEnd('body');
500 * Show header of the page.
502 * Calls template methods
506 function showHeader()
508 $this->elementStart('div', array('id' => 'header'));
510 $this->showPrimaryNav();
511 if (Event::handle('StartShowSiteNotice', array($this))) {
512 $this->showSiteNotice();
514 Event::handle('EndShowSiteNotice', array($this));
517 $this->elementEnd('div');
521 * Show configured logo.
527 $this->elementStart('address', array('id' => 'site_contact',
528 'class' => 'vcard'));
529 if (Event::handle('StartAddressData', array($this))) {
530 if (common_config('singleuser', 'enabled')) {
531 $user = User::singleUser();
532 $url = common_local_url('showstream',
533 array('nickname' => $user->nickname));
534 } else if (common_logged_in()) {
535 $cur = common_current_user();
536 $url = common_local_url('all', array('nickname' => $cur->nickname));
538 $url = common_local_url('public');
541 $this->elementStart('a', array('class' => 'url home bookmark',
544 if (StatusNet::isHTTPS()) {
545 $logoUrl = common_config('site', 'ssllogo');
546 if (empty($logoUrl)) {
547 // if logo is an uploaded file, try to fall back to HTTPS file URL
548 $httpUrl = common_config('site', 'logo');
549 if (!empty($httpUrl)) {
550 $f = File::staticGet('url', $httpUrl);
551 if (!empty($f) && !empty($f->filename)) {
552 // this will handle the HTTPS case
553 $logoUrl = File::url($f->filename);
558 $logoUrl = common_config('site', 'logo');
561 if (empty($logoUrl) && file_exists(Theme::file('logo.png'))) {
562 // This should handle the HTTPS case internally
563 $logoUrl = Theme::path('logo.png');
566 if (!empty($logoUrl)) {
567 $this->element('img', array('class' => 'logo photo',
569 'alt' => common_config('site', 'name')));
573 $this->element('span', array('class' => 'fn org'), common_config('site', 'name'));
574 $this->elementEnd('a');
576 Event::handle('EndAddressData', array($this));
578 $this->elementEnd('address');
582 * Show primary navigation.
586 function showPrimaryNav()
588 $this->elementStart('div', array('id' => 'site_nav_global_primary'));
590 $user = common_current_user();
592 if (!empty($user) || !common_config('site', 'private')) {
593 $form = new SearchForm($this);
597 $pn = new PrimaryNav($this);
599 $this->elementEnd('div');
607 function showSiteNotice()
609 // Revist. Should probably do an hAtom pattern here
610 $text = common_config('site', 'notice');
612 $this->elementStart('div', array('id' => 'site_notice',
613 'class' => 'system_notice'));
615 $this->elementEnd('div');
622 * MAY overload if no notice form needed... or direct message box????
626 function showNoticeForm()
628 // TRANS: Tab on the notice form.
629 $tabs = array('status' => _m('TAB','Status'));
631 $this->elementStart('div', 'input_forms');
633 if (Event::handle('StartShowEntryForms', array(&$tabs))) {
634 $this->elementStart('ul', array('class' => 'nav',
635 'id' => 'input_form_nav'));
637 foreach ($tabs as $tag => $title) {
638 $attrs = array('id' => 'input_form_nav_'.$tag,
639 'class' => 'input_form_nav_tab');
641 if ($tag == 'status') {
642 // We're actually showing the placeholder form,
643 // but we special-case the 'Status' tab as if
644 // it were a small version of it.
645 $attrs['class'] .= ' current';
647 $this->elementStart('li', $attrs);
650 array('href' => 'javascript:SN.U.switchInputFormTab("'.$tag.'")'),
652 $this->elementEnd('li');
655 $this->elementEnd('ul');
657 $attrs = array('class' => 'input_form current',
658 'id' => 'input_form_placeholder');
659 $this->elementStart('div', $attrs);
660 $form = new NoticePlaceholderForm($this);
662 $this->elementEnd('div');
664 foreach ($tabs as $tag => $title) {
665 $attrs = array('class' => 'input_form',
666 'id' => 'input_form_'.$tag);
668 $this->elementStart('div', $attrs);
672 if (Event::handle('StartMakeEntryForm', array($tag, $this, &$form))) {
673 if ($tag == 'status') {
674 $options = $this->noticeFormOptions();
675 $form = new NoticeForm($this, $options);
677 Event::handle('EndMakeEntryForm', array($tag, $this, $form));
684 $this->elementEnd('div');
688 $this->elementEnd('div');
691 function noticeFormOptions()
697 * Show anonymous message.
703 function showAnonymousMessage()
705 // needs to be defined by the class
711 * Shows local navigation, content block and aside.
717 $this->elementStart('div', array('id' => 'core'));
718 $this->elementStart('div', array('id' => 'aside_primary_wrapper'));
719 $this->elementStart('div', array('id' => 'content_wrapper'));
720 $this->elementStart('div', array('id' => 'site_nav_local_views_wrapper'));
721 if (Event::handle('StartShowLocalNavBlock', array($this))) {
722 $this->showLocalNavBlock();
724 Event::handle('EndShowLocalNavBlock', array($this));
726 if (Event::handle('StartShowContentBlock', array($this))) {
727 $this->showContentBlock();
729 Event::handle('EndShowContentBlock', array($this));
731 if (Event::handle('StartShowAside', array($this))) {
734 Event::handle('EndShowAside', array($this));
736 $this->elementEnd('div');
737 $this->elementEnd('div');
738 $this->elementEnd('div');
739 $this->elementEnd('div');
743 * Show local navigation block.
747 function showLocalNavBlock()
749 // Need to have this ID for CSS; I'm too lazy to add it to
751 $this->elementStart('div', array('id' => 'site_nav_local_views'));
752 // Cheat cheat cheat!
753 $this->showLocalNav();
754 $this->elementEnd('div');
758 * If there's a logged-in user, show a bit of login context
762 function showProfileBlock()
764 if (common_logged_in()) {
765 $block = new DefaultProfileBlock($this);
771 * Show local navigation.
777 function showLocalNav()
779 $nav = new DefaultLocalNav($this);
784 * Show menu for an object (group, profile)
786 * This block will only show if a subclass has overridden
787 * the showObjectNav() method.
791 function showObjectNavBlock()
793 $rmethod = new ReflectionMethod($this, 'showObjectNav');
794 $dclass = $rmethod->getDeclaringClass()->getName();
796 if ($dclass != 'Action') {
797 // Need to have this ID for CSS; I'm too lazy to add it to
799 $this->elementStart('div', array('id' => 'site_nav_object',
800 'class' => 'section'));
801 $this->showObjectNav();
802 $this->elementEnd('div');
807 * Show object navigation.
809 * If there are things to do with this object, show it here.
813 function showObjectNav()
819 * Show content block.
823 function showContentBlock()
825 $this->elementStart('div', array('id' => 'content'));
826 if (common_logged_in()) {
827 if (Event::handle('StartShowNoticeForm', array($this))) {
828 $this->showNoticeForm();
829 Event::handle('EndShowNoticeForm', array($this));
832 if (Event::handle('StartShowPageTitle', array($this))) {
833 $this->showPageTitle();
834 Event::handle('EndShowPageTitle', array($this));
836 $this->showPageNoticeBlock();
837 $this->elementStart('div', array('id' => 'content_inner'));
838 // show the actual content (forms, lists, whatever)
839 $this->showContent();
840 $this->elementEnd('div');
841 $this->elementEnd('div');
849 function showPageTitle()
851 $this->element('h1', null, $this->title());
855 * Show page notice block.
857 * Only show the block if a subclassed action has overrided
858 * Action::showPageNotice(), or an event handler is registered for
859 * the StartShowPageNotice event, in which case we assume the
860 * 'page_notice' definition list is desired. This is to prevent
861 * empty 'page_notice' definition lists from being output everywhere.
865 function showPageNoticeBlock()
867 $rmethod = new ReflectionMethod($this, 'showPageNotice');
868 $dclass = $rmethod->getDeclaringClass()->getName();
870 if ($dclass != 'Action' || Event::hasHandler('StartShowPageNotice')) {
872 $this->elementStart('div', array('id' => 'page_notice',
873 'class' => 'system_notice'));
874 if (Event::handle('StartShowPageNotice', array($this))) {
875 $this->showPageNotice();
876 Event::handle('EndShowPageNotice', array($this));
878 $this->elementEnd('div');
885 * SHOULD overload (unless there's not a notice)
889 function showPageNotice()
896 * MUST overload (unless there's not a notice)
900 function showContent()
911 $this->elementStart('div', array('id' => 'aside_primary',
912 'class' => 'aside'));
913 $this->showProfileBlock();
914 if (Event::handle('StartShowObjectNavBlock', array($this))) {
915 $this->showObjectNavBlock();
916 Event::handle('EndShowObjectNavBlock', array($this));
918 if (Event::handle('StartShowSections', array($this))) {
919 $this->showSections();
920 Event::handle('EndShowSections', array($this));
922 if (Event::handle('StartShowExportData', array($this))) {
923 $this->showExportData();
924 Event::handle('EndShowExportData', array($this));
926 $this->elementEnd('div');
930 * Show export data feeds.
934 function showExportData()
936 $feeds = $this->getFeeds();
938 $fl = new FeedList($this);
950 function showSections()
952 // for each section, show it
960 function showFooter()
962 $this->elementStart('div', array('id' => 'footer'));
963 if (Event::handle('StartShowInsideFooter', array($this))) {
964 $this->showSecondaryNav();
965 $this->showLicenses();
966 Event::handle('EndShowInsideFooter', array($this));
968 $this->elementEnd('div');
972 * Show secondary navigation.
976 function showSecondaryNav()
978 $sn = new SecondaryNav($this);
987 function showLicenses()
989 $this->showStatusNetLicense();
990 $this->showContentLicense();
994 * Show StatusNet license.
998 function showStatusNetLicense()
1000 if (common_config('site', 'broughtby')) {
1001 // TRANS: First sentence of the StatusNet site license. Used if 'broughtby' is set.
1002 // TRANS: Text between [] is a link description, text between () is the link itself.
1003 // TRANS: Make sure there is no whitespace between "]" and "(".
1004 // TRANS: "%%site.broughtby%%" is the value of the variable site.broughtby
1005 $instr = _('**%%site.name%%** is a microblogging service brought to you by [%%site.broughtby%%](%%site.broughtbyurl%%).');
1007 // TRANS: First sentence of the StatusNet site license. Used if 'broughtby' is not set.
1008 $instr = _('**%%site.name%%** is a microblogging service.');
1011 // TRANS: Second sentence of the StatusNet site license. Mentions the StatusNet source code license.
1012 // TRANS: Make sure there is no whitespace between "]" and "(".
1013 // TRANS: Text between [] is a link description, text between () is the link itself.
1014 // TRANS: %s is the version of StatusNet that is being used.
1015 $instr .= sprintf(_('It runs the [StatusNet](http://status.net/) microblogging software, version %s, available under the [GNU Affero General Public License](http://www.fsf.org/licensing/licenses/agpl-3.0.html).'), STATUSNET_VERSION);
1016 $output = common_markup_to_html($instr);
1017 $this->raw($output);
1022 * Show content license.
1026 function showContentLicense()
1028 if (Event::handle('StartShowContentLicense', array($this))) {
1029 switch (common_config('license', 'type')) {
1031 // TRANS: Content license displayed when license is set to 'private'.
1032 // TRANS: %1$s is the site name.
1033 $this->element('p', null, sprintf(_('Content and data of %1$s are private and confidential.'),
1034 common_config('site', 'name')));
1036 case 'allrightsreserved':
1037 if (common_config('license', 'owner')) {
1038 // TRANS: Content license displayed when license is set to 'allrightsreserved'.
1039 // TRANS: %1$s is the copyright owner.
1040 $this->element('p', null, sprintf(_('Content and data copyright by %1$s. All rights reserved.'),
1041 common_config('license', 'owner')));
1043 // TRANS: Content license displayed when license is set to 'allrightsreserved' and no owner is set.
1044 $this->element('p', null, _('Content and data copyright by contributors. All rights reserved.'));
1047 case 'cc': // fall through
1049 $this->elementStart('p');
1051 $image = common_config('license', 'image');
1052 $sslimage = common_config('license', 'sslimage');
1054 if (StatusNet::isHTTPS()) {
1055 if (!empty($sslimage)) {
1057 } else if (preg_match('#^http://i.creativecommons.org/#', $image)) {
1058 // CC support HTTPS on their images
1059 $url = preg_replace('/^http/', 'https', $image);
1061 // Better to show mixed content than no content
1068 $this->element('img', array('id' => 'license_cc',
1070 'alt' => common_config('license', 'title'),
1074 // TRANS: license message in footer.
1075 // TRANS: %1$s is the site name, %2$s is a link to the license URL, with a licence name set in configuration.
1076 $notice = _('All %1$s content and data are available under the %2$s license.');
1077 $link = "<a class=\"license\" rel=\"external license\" href=\"" .
1078 htmlspecialchars(common_config('license', 'url')) .
1080 htmlspecialchars(common_config('license', 'title')) .
1082 $this->raw(sprintf(htmlspecialchars($notice),
1083 htmlspecialchars(common_config('site', 'name')),
1085 $this->elementEnd('p');
1089 Event::handle('EndShowContentLicense', array($this));
1094 * Return last modified, if applicable.
1098 * @return string last modified http header
1100 function lastModified()
1102 // For comparison with If-Last-Modified
1103 // If not applicable, return null
1108 * Return etag, if applicable.
1112 * @return string etag http header
1120 * Return true if read only.
1124 * @param array $args other arguments
1126 * @return boolean is read only action?
1128 function isReadOnly($args)
1134 * Returns query argument or default value if not found
1136 * @param string $key requested argument
1137 * @param string $def default value to return if $key is not provided
1139 * @return boolean is read only action?
1141 function arg($key, $def=null)
1143 if (array_key_exists($key, $this->args)) {
1144 return $this->args[$key];
1151 * Returns trimmed query argument or default value if not found
1153 * @param string $key requested argument
1154 * @param string $def default value to return if $key is not provided
1156 * @return boolean is read only action?
1158 function trimmed($key, $def=null)
1160 $arg = $this->arg($key, $def);
1161 return is_string($arg) ? trim($arg) : $arg;
1167 * @param array $argarray is ignored since it's now passed in in prepare()
1169 * @return boolean is read only action?
1171 function handle($argarray=null)
1173 header('Vary: Accept-Encoding,Cookie');
1175 $lm = $this->lastModified();
1176 $etag = $this->etag();
1179 header('ETag: ' . $etag);
1183 header('Last-Modified: ' . date(DATE_RFC1123, $lm));
1184 if ($this->isCacheable()) {
1185 header( 'Expires: ' . gmdate( 'D, d M Y H:i:s', 0 ) . ' GMT' );
1186 header( "Cache-Control: private, must-revalidate, max-age=0" );
1193 $if_none_match = (array_key_exists('HTTP_IF_NONE_MATCH', $_SERVER)) ?
1194 $_SERVER['HTTP_IF_NONE_MATCH'] : null;
1195 if ($if_none_match) {
1196 // If this check fails, ignore the if-modified-since below.
1198 if ($this->_hasEtag($etag, $if_none_match)) {
1199 header('HTTP/1.1 304 Not Modified');
1200 // Better way to do this?
1206 if (!$checked && $lm && array_key_exists('HTTP_IF_MODIFIED_SINCE', $_SERVER)) {
1207 $if_modified_since = $_SERVER['HTTP_IF_MODIFIED_SINCE'];
1208 $ims = strtotime($if_modified_since);
1210 header('HTTP/1.1 304 Not Modified');
1211 // Better way to do this?
1218 * Is this action cacheable?
1220 * If the action returns a last-modified
1222 * @param array $argarray is ignored since it's now passed in in prepare()
1224 * @return boolean is read only action?
1226 function isCacheable()
1232 * HasĀ etag? (private)
1234 * @param string $etag etag http header
1235 * @param string $if_none_match ifNoneMatch http header
1239 function _hasEtag($etag, $if_none_match)
1241 $etags = explode(',', $if_none_match);
1242 return in_array($etag, $etags) || in_array('*', $etags);
1246 * Boolean understands english (yes, no, true, false)
1248 * @param string $key query key we're interested in
1249 * @param string $def default value
1251 * @return boolean interprets yes/no strings as boolean
1253 function boolean($key, $def=false)
1255 $arg = strtolower($this->trimmed($key));
1257 if (is_null($arg)) {
1259 } else if (in_array($arg, array('true', 'yes', '1', 'on'))) {
1261 } else if (in_array($arg, array('false', 'no', '0'))) {
1269 * Integer value of an argument
1271 * @param string $key query key we're interested in
1272 * @param string $defValue optional default value (default null)
1273 * @param string $maxValue optional max value (default null)
1274 * @param string $minValue optional min value (default null)
1276 * @return integer integer value
1278 function int($key, $defValue=null, $maxValue=null, $minValue=null)
1280 $arg = strtolower($this->trimmed($key));
1282 if (is_null($arg) || !is_integer($arg)) {
1286 if (!is_null($maxValue)) {
1287 $arg = min($arg, $maxValue);
1290 if (!is_null($minValue)) {
1291 $arg = max($arg, $minValue);
1300 * @param string $msg error message to display
1301 * @param integer $code http error code, 500 by default
1305 function serverError($msg, $code=500)
1307 $action = $this->trimmed('action');
1308 common_debug("Server error '$code' on '$action': $msg", __FILE__);
1309 throw new ServerException($msg, $code);
1315 * @param string $msg error message to display
1316 * @param integer $code http error code, 400 by default
1320 function clientError($msg, $code=400)
1322 $action = $this->trimmed('action');
1323 common_debug("User error '$code' on '$action': $msg", __FILE__);
1324 throw new ClientException($msg, $code);
1328 * Returns the current URL
1330 * @return string current URL
1334 list($action, $args) = $this->returnToArgs();
1335 return common_local_url($action, $args);
1339 * Returns arguments sufficient for re-constructing URL
1341 * @return array two elements: action, other args
1343 function returnToArgs()
1345 $action = $this->trimmed('action');
1346 $args = $this->args;
1347 unset($args['action']);
1348 if (common_config('site', 'fancy')) {
1351 if (array_key_exists('submit', $args)) {
1352 unset($args['submit']);
1354 foreach (array_keys($_COOKIE) as $cookie) {
1355 unset($args[$cookie]);
1357 return array($action, $args);
1361 * Generate a menu item
1363 * @param string $url menu URL
1364 * @param string $text menu name
1365 * @param string $title title attribute, null by default
1366 * @param boolean $is_selected current menu item, false by default
1367 * @param string $id element id, null by default
1371 function menuItem($url, $text, $title=null, $is_selected=false, $id=null, $class=null)
1373 // Added @id to li for some control.
1374 // XXX: We might want to move this to htmloutputter.php
1377 if ($class !== null) {
1378 $classes[] = trim($class);
1381 $classes[] = 'current';
1384 if (!empty($classes)) {
1385 $lattrs['class'] = implode(' ', $classes);
1388 if (!is_null($id)) {
1389 $lattrs['id'] = $id;
1392 $this->elementStart('li', $lattrs);
1393 $attrs['href'] = $url;
1395 $attrs['title'] = $title;
1397 $this->element('a', $attrs, $text);
1398 $this->elementEnd('li');
1402 * Generate pagination links
1404 * @param boolean $have_before is there something before?
1405 * @param boolean $have_after is there something after?
1406 * @param integer $page current page
1407 * @param string $action current action
1408 * @param array $args rest of query arguments
1412 // XXX: The messages in this pagination method only tailor to navigating
1413 // notices. In other lists, "Previous"/"Next" type navigation is
1414 // desirable, but not available.
1415 function pagination($have_before, $have_after, $page, $action, $args=null)
1417 // Does a little before-after block for next/prev page
1418 if ($have_before || $have_after) {
1419 $this->elementStart('ul', array('class' => 'nav',
1420 'id' => 'pagination'));
1423 $pargs = array('page' => $page-1);
1424 $this->elementStart('li', array('class' => 'nav_prev'));
1425 $this->element('a', array('href' => common_local_url($action, $args, $pargs),
1427 // TRANS: Pagination message to go to a page displaying information more in the
1428 // TRANS: present than the currently displayed information.
1430 $this->elementEnd('li');
1433 $pargs = array('page' => $page+1);
1434 $this->elementStart('li', array('class' => 'nav_next'));
1435 $this->element('a', array('href' => common_local_url($action, $args, $pargs),
1437 // TRANS: Pagination message to go to a page displaying information more in the
1438 // TRANS: past than the currently displayed information.
1440 $this->elementEnd('li');
1442 if ($have_before || $have_after) {
1443 $this->elementEnd('ul');
1448 * An array of feeds for this action.
1450 * Returns an array of potential feeds for this action.
1452 * @return array Feed object to show in head and links
1460 * Check the session token.
1462 * Checks that the current form has the correct session token,
1463 * and throw an exception if it does not.
1467 // XXX: Finding this type of check with the same message about 50 times.
1468 // Possible to refactor?
1469 function checkSessionToken()
1472 $token = $this->trimmed('token');
1473 if (empty($token) || $token != common_session_token()) {
1474 // TRANS: Client error text when there is a problem with the session token.
1475 $this->clientError(_('There was a problem with your session token.'));
1480 * Check if the current request is a POST
1482 * @return boolean true if POST; otherwise false.
1487 return ($_SERVER['REQUEST_METHOD'] == 'POST');