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);
90 * Show page, a template method.
96 if (Event::handle('StartShowHTML', array($this))) {
98 Event::handle('EndShowHTML', array($this));
100 if (Event::handle('StartShowHead', array($this))) {
102 Event::handle('EndShowHead', array($this));
104 if (Event::handle('StartShowBody', array($this))) {
106 Event::handle('EndShowBody', array($this));
108 if (Event::handle('StartEndHTML', array($this))) {
110 Event::handle('EndEndHTML', array($this));
118 if (isset($_startTime)) {
119 $endTime = microtime(true);
120 $diff = round(($endTime - $_startTime) * 1000);
121 $this->raw("<!-- ${diff}ms -->");
124 return parent::endHTML();
128 * Show head, a template method.
134 // XXX: attributes (profile?)
135 $this->elementStart('head');
136 if (Event::handle('StartShowHeadElements', array($this))) {
137 if (Event::handle('StartShowHeadTitle', array($this))) {
139 Event::handle('EndShowHeadTitle', array($this));
141 $this->showShortcutIcon();
142 $this->showStylesheets();
143 $this->showOpenSearch();
145 $this->showDescription();
147 Event::handle('EndShowHeadElements', array($this));
149 $this->elementEnd('head');
153 * Show title, a template method.
159 $this->element('title', null,
160 // TRANS: Page title. %1$s is the title, %2$s is the site name.
161 sprintf(_("%1\$s - %2\$s"),
163 common_config('site', 'name')));
167 * Returns the page title
171 * @return string page title
176 // TRANS: Page title for a page without a title set.
177 return _("Untitled page");
181 * Show themed shortcut icon
185 function showShortcutIcon()
187 if (is_readable(INSTALLDIR . '/theme/' . common_config('site', 'theme') . '/favicon.ico')) {
188 $this->element('link', array('rel' => 'shortcut icon',
189 'href' => Theme::path('favicon.ico')));
191 // favicon.ico should be HTTPS if the rest of the page is
192 $this->element('link', array('rel' => 'shortcut icon',
193 'href' => common_path('favicon.ico', StatusNet::isHTTPS())));
196 if (common_config('site', 'mobile')) {
197 if (is_readable(INSTALLDIR . '/theme/' . common_config('site', 'theme') . '/apple-touch-icon.png')) {
198 $this->element('link', array('rel' => 'apple-touch-icon',
199 'href' => Theme::path('apple-touch-icon.png')));
201 $this->element('link', array('rel' => 'apple-touch-icon',
202 'href' => common_path('apple-touch-icon.png')));
212 function showStylesheets()
214 if (Event::handle('StartShowStyles', array($this))) {
216 // Use old name for StatusNet for compatibility on events
218 if (Event::handle('StartShowStatusNetStyles', array($this)) &&
219 Event::handle('StartShowLaconicaStyles', array($this))) {
220 $this->primaryCssLink(null, 'screen, projection, tv, print');
221 Event::handle('EndShowStatusNetStyles', array($this));
222 Event::handle('EndShowLaconicaStyles', array($this));
225 if (Event::handle('StartShowUAStyles', array($this))) {
226 $this->comment('[if IE]><link rel="stylesheet" type="text/css" '.
227 'href="'.Theme::path('css/ie.css', 'base').'?version='.STATUSNET_VERSION.'" /><![endif]');
228 foreach (array(6,7) as $ver) {
229 if (file_exists(Theme::file('css/ie'.$ver.'.css', 'base'))) {
230 // Yes, IE people should be put in jail.
231 $this->comment('[if lte IE '.$ver.']><link rel="stylesheet" type="text/css" '.
232 'href="'.Theme::path('css/ie'.$ver.'.css', 'base').'?version='.STATUSNET_VERSION.'" /><![endif]');
235 $this->comment('[if IE]><link rel="stylesheet" type="text/css" '.
236 'href="'.Theme::path('css/ie.css', null).'?version='.STATUSNET_VERSION.'" /><![endif]');
237 Event::handle('EndShowUAStyles', array($this));
240 if (Event::handle('StartShowDesign', array($this))) {
242 $user = common_current_user();
244 if (empty($user) || $user->viewdesigns) {
245 $design = $this->getDesign();
247 if (!empty($design)) {
248 $design->showCSS($this);
252 Event::handle('EndShowDesign', array($this));
254 Event::handle('EndShowStyles', array($this));
256 if (common_config('custom_css', 'enabled')) {
257 $css = common_config('custom_css', 'css');
258 if (Event::handle('StartShowCustomCss', array($this, &$css))) {
259 if (trim($css) != '') {
262 Event::handle('EndShowCustomCss', array($this));
268 function primaryCssLink($mainTheme=null, $media=null)
270 // If the currently-selected theme has dependencies on other themes,
271 // we'll need to load their display.css files as well in order.
272 $theme = new Theme($mainTheme);
273 $baseThemes = $theme->getDeps();
274 foreach ($baseThemes as $baseTheme) {
275 $this->cssLink('css/display.css', $baseTheme, $media);
277 $this->cssLink('css/display.css', $mainTheme, $media);
281 * Show javascript headers
285 function showScripts()
287 if (Event::handle('StartShowScripts', array($this))) {
288 if (Event::handle('StartShowJQueryScripts', array($this))) {
289 $this->script('jquery.min.js');
290 $this->script('jquery.form.min.js');
291 $this->script('jquery.cookie.min.js');
292 $this->inlineScript('if (typeof window.JSON !== "object") { $.getScript("'.common_path('js/json2.min.js').'"); }');
293 $this->script('jquery.joverlay.min.js');
294 Event::handle('EndShowJQueryScripts', array($this));
296 if (Event::handle('StartShowStatusNetScripts', array($this)) &&
297 Event::handle('StartShowLaconicaScripts', array($this))) {
298 $this->script('util.min.js');
299 $this->showScriptMessages();
300 // Frame-busting code to avoid clickjacking attacks.
301 $this->inlineScript('if (window.top !== window.self) { window.top.location.href = window.self.location.href; }');
302 Event::handle('EndShowStatusNetScripts', array($this));
303 Event::handle('EndShowLaconicaScripts', array($this));
305 Event::handle('EndShowScripts', array($this));
310 * Exports a map of localized text strings to JavaScript code.
312 * Plugins can add to what's exported by hooking the StartScriptMessages or EndScriptMessages
313 * events and appending to the array. Try to avoid adding strings that won't be used, as
314 * they'll be added to HTML output.
317 function showScriptMessages()
321 if (Event::handle('StartScriptMessages', array($this, &$messages))) {
322 // Common messages needed for timeline views etc...
324 // TRANS: Localized tooltip for '...' expansion button on overlong remote messages.
325 $messages['showmore_tooltip'] = _m('TOOLTIP', 'Show more');
327 // TRANS: Inline reply form submit button: submits a reply comment.
328 $messages['reply_submit'] = _m('BUTTON', 'Comment');
330 // TRANS: Placeholder text for inline reply form. Clicking in this box will turn it into a mini notice form.
331 $messages['reply_comment'] = _m('Add a comment...');
333 $messages = array_merge($messages, $this->getScriptMessages());
335 Event::handle('EndScriptMessages', array($this, &$messages));
338 if (!empty($messages)) {
339 $this->inlineScript('SN.messages=' . json_encode($messages));
346 * If the action will need localizable text strings, export them here like so:
348 * return array('pool_deepend' => _('Deep end'),
349 * 'pool_shallow' => _('Shallow end'));
351 * The exported map will be available via SN.msg() to JS code:
353 * $('#pool').html('<div class="deepend"></div><div class="shallow"></div>');
354 * $('#pool .deepend').text(SN.msg('pool_deepend'));
355 * $('#pool .shallow').text(SN.msg('pool_shallow'));
357 * Exports a map of localized text strings to JavaScript code.
359 * Plugins can add to what's exported on any action by hooking the StartScriptMessages or
360 * EndScriptMessages events and appending to the array. Try to avoid adding strings that won't
361 * be used, as they'll be added to HTML output.
363 function getScriptMessages()
369 * Show OpenSearch headers
373 function showOpenSearch()
375 $this->element('link', array('rel' => 'search',
376 'type' => 'application/opensearchdescription+xml',
377 'href' => common_local_url('opensearch', array('type' => 'people')),
378 'title' => common_config('site', 'name').' People Search'));
379 $this->element('link', array('rel' => 'search', 'type' => 'application/opensearchdescription+xml',
380 'href' => common_local_url('opensearch', array('type' => 'notice')),
381 'title' => common_config('site', 'name').' Notice Search'));
393 $feeds = $this->getFeeds();
396 foreach ($feeds as $feed) {
397 $this->element('link', array('rel' => $feed->rel(),
398 'href' => $feed->url,
399 'type' => $feed->mimeType(),
400 'title' => $feed->title));
412 function showDescription()
414 // does nothing by default
418 * Show extra stuff in <head>.
426 // does nothing by default
432 * Calls template methods
438 $this->elementStart('body', (common_current_user()) ? array('id' => strtolower($this->trimmed('action')),
439 'class' => 'user_in')
440 : array('id' => strtolower($this->trimmed('action'))));
441 $this->elementStart('div', array('id' => 'wrap'));
442 if (Event::handle('StartShowHeader', array($this))) {
444 Event::handle('EndShowHeader', array($this));
447 if (Event::handle('StartShowFooter', array($this))) {
449 Event::handle('EndShowFooter', array($this));
451 $this->elementEnd('div');
452 $this->showScripts();
453 $this->elementEnd('body');
457 * Show header of the page.
459 * Calls template methods
463 function showHeader()
465 $this->elementStart('div', array('id' => 'header'));
467 $this->showPrimaryNav();
468 if (Event::handle('StartShowSiteNotice', array($this))) {
469 $this->showSiteNotice();
471 Event::handle('EndShowSiteNotice', array($this));
473 if (common_logged_in()) {
474 if (Event::handle('StartShowNoticeForm', array($this))) {
475 $this->showNoticeForm();
476 Event::handle('EndShowNoticeForm', array($this));
479 $this->showAnonymousMessage();
481 $this->elementEnd('div');
485 * Show configured logo.
491 $this->elementStart('address', array('id' => 'site_contact',
492 'class' => 'vcard'));
493 if (Event::handle('StartAddressData', array($this))) {
494 if (common_config('singleuser', 'enabled')) {
495 $user = User::singleUser();
496 $url = common_local_url('showstream',
497 array('nickname' => $user->nickname));
498 } else if (common_logged_in()) {
499 $cur = common_current_user();
500 $url = common_local_url('all', array('nickname' => $cur->nickname));
502 $url = common_local_url('public');
505 $this->elementStart('a', array('class' => 'url home bookmark',
508 if (StatusNet::isHTTPS()) {
509 $logoUrl = common_config('site', 'ssllogo');
510 if (empty($logoUrl)) {
511 // if logo is an uploaded file, try to fall back to HTTPS file URL
512 $httpUrl = common_config('site', 'logo');
513 if (!empty($httpUrl)) {
514 $f = File::staticGet('url', $httpUrl);
515 if (!empty($f) && !empty($f->filename)) {
516 // this will handle the HTTPS case
517 $logoUrl = File::url($f->filename);
522 $logoUrl = common_config('site', 'logo');
525 if (empty($logoUrl) && file_exists(Theme::file('logo.png'))) {
526 // This should handle the HTTPS case internally
527 $logoUrl = Theme::path('logo.png');
530 if (!empty($logoUrl)) {
531 $this->element('img', array('class' => 'logo photo',
533 'alt' => common_config('site', 'name')));
537 $this->element('span', array('class' => 'fn org'), common_config('site', 'name'));
538 $this->elementEnd('a');
540 Event::handle('EndAddressData', array($this));
542 $this->elementEnd('address');
546 * Show primary navigation.
550 function showPrimaryNav()
552 $user = common_current_user();
553 $this->elementStart('ul', array('class' => 'nav',
554 'id' => 'site_nav_global_primary'));
555 if (Event::handle('StartPrimaryNav', array($this))) {
557 $this->menuItem(common_local_url('all',
558 array('nickname' => $user->nickname)),
560 _m('Friends timeline'),
563 $this->menuItem(common_local_url('showstream',
564 array('nickname' => $user->nickname)),
569 $this->menuItem(common_local_url('public'),
571 _m('Everyone on this site'),
574 $this->menuItem(common_local_url('profilesettings'),
576 _m('Change your personal settings'),
579 if ($user->hasRight(Right::CONFIGURESITE)) {
580 $this->menuItem(common_local_url('siteadminpanel'),
582 _m('Site configuration'),
586 $this->menuItem(common_local_url('logout'),
588 _m('Logout from the site'),
592 $this->menuItem(common_local_url('public'),
594 _m('Everyone on this site'),
597 $this->menuItem(common_local_url('login'),
599 _m('Login to the site'),
604 if (!empty($user) || !common_config('site', 'private')) {
605 $this->menuItem(common_local_url('noticesearch'),
607 _m('Search the site'),
612 Event::handle('EndPrimaryNav', array($this));
614 $this->elementEnd('ul');
622 function showSiteNotice()
624 // Revist. Should probably do an hAtom pattern here
625 $text = common_config('site', 'notice');
627 $this->elementStart('div', array('id' => 'site_notice',
628 'class' => 'system_notice'));
630 $this->elementEnd('div');
637 * MAY overload if no notice form needed... or direct message box????
641 function showNoticeForm()
643 $tabs = array('status' => _('Status'));
645 $this->elementStart('div', 'input_forms');
647 if (Event::handle('StartShowEntryForms', array(&$tabs))) {
649 $this->elementStart('ul', array('class' => 'nav',
650 'id' => 'input_form_nav'));
652 foreach ($tabs as $tag => $title) {
654 $attrs = array('id' => 'input_form_nav_'.$title);
656 if ($tag == 'status') {
657 $attrs['class'] = 'current';
660 $this->elementStart('li', $attrs);
663 array('href' => 'javascript:switchInputFormTab("'.$tag.'")'),
665 $this->elementEnd('li');
668 $this->elementEnd('ul');
670 foreach ($tabs as $tag => $title) {
672 $attrs = array('class' => 'input_form',
673 'id' => 'input_form_'.$tag);
675 if ($tag == 'status') {
676 $attrs['class'] .= ' active';
678 $attrs['class'] .= ' inactive';
681 $this->elementStart('div', $attrs);
685 if (Event::handle('StartMakeEntryForm', array($tag, $this, &$form))) {
686 if ($tag == 'status') {
687 $form = new NoticeForm($this);
689 Event::handle('EndMakeEntryForm', array($tag, $this, $form));
700 * Show anonymous message.
706 function showAnonymousMessage()
708 // needs to be defined by the class
714 * Shows local navigation, content block and aside.
720 $this->elementStart('div', array('id' => 'core'));
721 if (Event::handle('StartShowLocalNavBlock', array($this))) {
722 $this->showLocalNavBlock();
723 Event::handle('EndShowLocalNavBlock', array($this));
725 if (Event::handle('StartShowContentBlock', array($this))) {
726 $this->showContentBlock();
727 Event::handle('EndShowContentBlock', array($this));
729 if (Event::handle('StartShowAside', array($this))) {
731 Event::handle('EndShowAside', array($this));
733 $this->elementEnd('div');
737 * Show local navigation block.
741 function showLocalNavBlock()
743 // Need to have this ID for CSS; I'm too lazy to add it to
745 $this->elementStart('div', array('id' => 'site_nav_local_views'));
746 $this->showLocalNav();
747 $this->elementEnd('div');
751 * Show local navigation.
757 function showLocalNav()
759 // does nothing by default
763 * Show content block.
767 function showContentBlock()
769 $this->elementStart('div', array('id' => 'content'));
770 if (Event::handle('StartShowPageTitle', array($this))) {
771 $this->showPageTitle();
772 Event::handle('EndShowPageTitle', array($this));
774 $this->showPageNoticeBlock();
775 $this->elementStart('div', array('id' => 'content_inner'));
776 // show the actual content (forms, lists, whatever)
777 $this->showContent();
778 $this->elementEnd('div');
779 $this->elementEnd('div');
787 function showPageTitle()
789 $this->element('h1', null, $this->title());
793 * Show page notice block.
795 * Only show the block if a subclassed action has overrided
796 * Action::showPageNotice(), or an event handler is registered for
797 * the StartShowPageNotice event, in which case we assume the
798 * 'page_notice' definition list is desired. This is to prevent
799 * empty 'page_notice' definition lists from being output everywhere.
803 function showPageNoticeBlock()
805 $rmethod = new ReflectionMethod($this, 'showPageNotice');
806 $dclass = $rmethod->getDeclaringClass()->getName();
808 if ($dclass != 'Action' || Event::hasHandler('StartShowPageNotice')) {
810 $this->elementStart('div', array('id' => 'page_notice',
811 'class' => 'system_notice'));
812 if (Event::handle('StartShowPageNotice', array($this))) {
813 $this->showPageNotice();
814 Event::handle('EndShowPageNotice', array($this));
816 $this->elementEnd('div');
823 * SHOULD overload (unless there's not a notice)
827 function showPageNotice()
834 * MUST overload (unless there's not a notice)
838 function showContent()
849 $this->elementStart('div', array('id' => 'aside_primary',
850 'class' => 'aside'));
851 if (Event::handle('StartShowSections', array($this))) {
852 $this->showSections();
853 Event::handle('EndShowSections', array($this));
855 if (Event::handle('StartShowExportData', array($this))) {
856 $this->showExportData();
857 Event::handle('EndShowExportData', array($this));
859 $this->elementEnd('div');
863 * Show export data feeds.
867 function showExportData()
869 $feeds = $this->getFeeds();
871 $fl = new FeedList($this);
883 function showSections()
885 // for each section, show it
893 function showFooter()
895 $this->elementStart('div', array('id' => 'footer'));
896 if (Event::handle('StartShowInsideFooter', array($this))) {
897 $this->showSecondaryNav();
898 $this->showLicenses();
899 Event::handle('EndShowInsideFooter', array($this));
901 $this->elementEnd('div');
905 * Show secondary navigation.
909 function showSecondaryNav()
911 $this->elementStart('ul', array('class' => 'nav',
912 'id' => 'site_nav_global_secondary'));
913 if (Event::handle('StartSecondaryNav', array($this))) {
914 $this->menuItem(common_local_url('doc', array('title' => 'help')),
915 // TRANS: Secondary navigation menu option leading to help on StatusNet.
917 $this->menuItem(common_local_url('doc', array('title' => 'about')),
918 // TRANS: Secondary navigation menu option leading to text about StatusNet site.
920 $this->menuItem(common_local_url('doc', array('title' => 'faq')),
921 // TRANS: Secondary navigation menu option leading to Frequently Asked Questions.
923 $bb = common_config('site', 'broughtby');
925 $this->menuItem(common_local_url('doc', array('title' => 'tos')),
926 // TRANS: Secondary navigation menu option leading to Terms of Service.
929 $this->menuItem(common_local_url('doc', array('title' => 'privacy')),
930 // TRANS: Secondary navigation menu option leading to privacy policy.
932 $this->menuItem(common_local_url('doc', array('title' => 'source')),
933 // TRANS: Secondary navigation menu option. Leads to information about StatusNet and its license.
935 $this->menuItem(common_local_url('version'),
936 // TRANS: Secondary navigation menu option leading to version information on the StatusNet site.
938 $this->menuItem(common_local_url('doc', array('title' => 'contact')),
939 // TRANS: Secondary navigation menu option leading to e-mail contact information on the
940 // TRANS: StatusNet site, where to report bugs, ...
942 $this->menuItem(common_local_url('doc', array('title' => 'badge')),
943 // TRANS: Secondary navigation menu option. Leads to information about embedding a timeline widget.
945 Event::handle('EndSecondaryNav', array($this));
947 $this->elementEnd('ul');
955 function showLicenses()
957 $this->showStatusNetLicense();
958 $this->showContentLicense();
962 * Show StatusNet license.
966 function showStatusNetLicense()
968 if (common_config('site', 'broughtby')) {
969 // TRANS: First sentence of the StatusNet site license. Used if 'broughtby' is set.
970 // TRANS: Text between [] is a link description, text between () is the link itself.
971 // TRANS: Make sure there is no whitespace between "]" and "(".
972 // TRANS: "%%site.broughtby%%" is the value of the variable site.broughtby
973 $instr = _('**%%site.name%%** is a microblogging service brought to you by [%%site.broughtby%%](%%site.broughtbyurl%%).');
975 // TRANS: First sentence of the StatusNet site license. Used if 'broughtby' is not set.
976 $instr = _('**%%site.name%%** is a microblogging service.');
979 // TRANS: Second sentence of the StatusNet site license. Mentions the StatusNet source code license.
980 // TRANS: Make sure there is no whitespace between "]" and "(".
981 // TRANS: Text between [] is a link description, text between () is the link itself.
982 // TRANS: %s is the version of StatusNet that is being used.
983 $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);
984 $output = common_markup_to_html($instr);
990 * Show content license.
994 function showContentLicense()
996 if (Event::handle('StartShowContentLicense', array($this))) {
997 switch (common_config('license', 'type')) {
999 // TRANS: Content license displayed when license is set to 'private'.
1000 // TRANS: %1$s is the site name.
1001 $this->element('p', null, sprintf(_('Content and data of %1$s are private and confidential.'),
1002 common_config('site', 'name')));
1004 case 'allrightsreserved':
1005 if (common_config('license', 'owner')) {
1006 // TRANS: Content license displayed when license is set to 'allrightsreserved'.
1007 // TRANS: %1$s is the copyright owner.
1008 $this->element('p', null, sprintf(_('Content and data copyright by %1$s. All rights reserved.'),
1009 common_config('license', 'owner')));
1011 // TRANS: Content license displayed when license is set to 'allrightsreserved' and no owner is set.
1012 $this->element('p', null, _('Content and data copyright by contributors. All rights reserved.'));
1015 case 'cc': // fall through
1017 $this->elementStart('p');
1019 $image = common_config('license', 'image');
1020 $sslimage = common_config('license', 'sslimage');
1022 if (StatusNet::isHTTPS()) {
1023 if (!empty($sslimage)) {
1025 } else if (preg_match('#^http://i.creativecommons.org/#', $image)) {
1026 // CC support HTTPS on their images
1027 $url = preg_replace('/^http/', 'https', $image);
1029 // Better to show mixed content than no content
1036 $this->element('img', array('id' => 'license_cc',
1038 'alt' => common_config('license', 'title'),
1042 // TRANS: license message in footer.
1043 // TRANS: %1$s is the site name, %2$s is a link to the license URL, with a licence name set in configuration.
1044 $notice = _('All %1$s content and data are available under the %2$s license.');
1045 $link = "<a class=\"license\" rel=\"external license\" href=\"" .
1046 htmlspecialchars(common_config('license', 'url')) .
1048 htmlspecialchars(common_config('license', 'title')) .
1050 $this->raw(sprintf(htmlspecialchars($notice),
1051 htmlspecialchars(common_config('site', 'name')),
1053 $this->elementEnd('p');
1057 Event::handle('EndShowContentLicense', array($this));
1062 * Return last modified, if applicable.
1066 * @return string last modified http header
1068 function lastModified()
1070 // For comparison with If-Last-Modified
1071 // If not applicable, return null
1076 * Return etag, if applicable.
1080 * @return string etag http header
1088 * Return true if read only.
1092 * @param array $args other arguments
1094 * @return boolean is read only action?
1096 function isReadOnly($args)
1102 * Returns query argument or default value if not found
1104 * @param string $key requested argument
1105 * @param string $def default value to return if $key is not provided
1107 * @return boolean is read only action?
1109 function arg($key, $def=null)
1111 if (array_key_exists($key, $this->args)) {
1112 return $this->args[$key];
1119 * Returns trimmed query argument or default value if not found
1121 * @param string $key requested argument
1122 * @param string $def default value to return if $key is not provided
1124 * @return boolean is read only action?
1126 function trimmed($key, $def=null)
1128 $arg = $this->arg($key, $def);
1129 return is_string($arg) ? trim($arg) : $arg;
1135 * @param array $argarray is ignored since it's now passed in in prepare()
1137 * @return boolean is read only action?
1139 function handle($argarray=null)
1141 header('Vary: Accept-Encoding,Cookie');
1143 $lm = $this->lastModified();
1144 $etag = $this->etag();
1147 header('ETag: ' . $etag);
1151 header('Last-Modified: ' . date(DATE_RFC1123, $lm));
1152 if ($this->isCacheable()) {
1153 header( 'Expires: ' . gmdate( 'D, d M Y H:i:s', 0 ) . ' GMT' );
1154 header( "Cache-Control: private, must-revalidate, max-age=0" );
1161 $if_none_match = (array_key_exists('HTTP_IF_NONE_MATCH', $_SERVER)) ?
1162 $_SERVER['HTTP_IF_NONE_MATCH'] : null;
1163 if ($if_none_match) {
1164 // If this check fails, ignore the if-modified-since below.
1166 if ($this->_hasEtag($etag, $if_none_match)) {
1167 header('HTTP/1.1 304 Not Modified');
1168 // Better way to do this?
1174 if (!$checked && $lm && array_key_exists('HTTP_IF_MODIFIED_SINCE', $_SERVER)) {
1175 $if_modified_since = $_SERVER['HTTP_IF_MODIFIED_SINCE'];
1176 $ims = strtotime($if_modified_since);
1178 header('HTTP/1.1 304 Not Modified');
1179 // Better way to do this?
1186 * Is this action cacheable?
1188 * If the action returns a last-modified
1190 * @param array $argarray is ignored since it's now passed in in prepare()
1192 * @return boolean is read only action?
1194 function isCacheable()
1200 * Has etag? (private)
1202 * @param string $etag etag http header
1203 * @param string $if_none_match ifNoneMatch http header
1207 function _hasEtag($etag, $if_none_match)
1209 $etags = explode(',', $if_none_match);
1210 return in_array($etag, $etags) || in_array('*', $etags);
1214 * Boolean understands english (yes, no, true, false)
1216 * @param string $key query key we're interested in
1217 * @param string $def default value
1219 * @return boolean interprets yes/no strings as boolean
1221 function boolean($key, $def=false)
1223 $arg = strtolower($this->trimmed($key));
1225 if (is_null($arg)) {
1227 } else if (in_array($arg, array('true', 'yes', '1', 'on'))) {
1229 } else if (in_array($arg, array('false', 'no', '0'))) {
1237 * Integer value of an argument
1239 * @param string $key query key we're interested in
1240 * @param string $defValue optional default value (default null)
1241 * @param string $maxValue optional max value (default null)
1242 * @param string $minValue optional min value (default null)
1244 * @return integer integer value
1246 function int($key, $defValue=null, $maxValue=null, $minValue=null)
1248 $arg = strtolower($this->trimmed($key));
1250 if (is_null($arg) || !is_integer($arg)) {
1254 if (!is_null($maxValue)) {
1255 $arg = min($arg, $maxValue);
1258 if (!is_null($minValue)) {
1259 $arg = max($arg, $minValue);
1268 * @param string $msg error message to display
1269 * @param integer $code http error code, 500 by default
1273 function serverError($msg, $code=500)
1275 $action = $this->trimmed('action');
1276 common_debug("Server error '$code' on '$action': $msg", __FILE__);
1277 throw new ServerException($msg, $code);
1283 * @param string $msg error message to display
1284 * @param integer $code http error code, 400 by default
1288 function clientError($msg, $code=400)
1290 $action = $this->trimmed('action');
1291 common_debug("User error '$code' on '$action': $msg", __FILE__);
1292 throw new ClientException($msg, $code);
1296 * Returns the current URL
1298 * @return string current URL
1302 list($action, $args) = $this->returnToArgs();
1303 return common_local_url($action, $args);
1307 * Returns arguments sufficient for re-constructing URL
1309 * @return array two elements: action, other args
1311 function returnToArgs()
1313 $action = $this->trimmed('action');
1314 $args = $this->args;
1315 unset($args['action']);
1316 if (common_config('site', 'fancy')) {
1319 if (array_key_exists('submit', $args)) {
1320 unset($args['submit']);
1322 foreach (array_keys($_COOKIE) as $cookie) {
1323 unset($args[$cookie]);
1325 return array($action, $args);
1329 * Generate a menu item
1331 * @param string $url menu URL
1332 * @param string $text menu name
1333 * @param string $title title attribute, null by default
1334 * @param boolean $is_selected current menu item, false by default
1335 * @param string $id element id, null by default
1339 function menuItem($url, $text, $title=null, $is_selected=false, $id=null)
1341 // Added @id to li for some control.
1342 // XXX: We might want to move this to htmloutputter.php
1345 $lattrs['class'] = 'current';
1348 (is_null($id)) ? $lattrs : $lattrs['id'] = $id;
1350 $this->elementStart('li', $lattrs);
1351 $attrs['href'] = $url;
1353 $attrs['title'] = $title;
1355 $this->element('a', $attrs, $text);
1356 $this->elementEnd('li');
1360 * Generate pagination links
1362 * @param boolean $have_before is there something before?
1363 * @param boolean $have_after is there something after?
1364 * @param integer $page current page
1365 * @param string $action current action
1366 * @param array $args rest of query arguments
1370 // XXX: The messages in this pagination method only tailor to navigating
1371 // notices. In other lists, "Previous"/"Next" type navigation is
1372 // desirable, but not available.
1373 function pagination($have_before, $have_after, $page, $action, $args=null)
1375 // Does a little before-after block for next/prev page
1376 if ($have_before || $have_after) {
1377 $this->elementStart('ul', array('class' => 'nav',
1378 'id' => 'pagination'));
1381 $pargs = array('page' => $page-1);
1382 $this->elementStart('li', array('class' => 'nav_prev'));
1383 $this->element('a', array('href' => common_local_url($action, $args, $pargs),
1385 // TRANS: Pagination message to go to a page displaying information more in the
1386 // TRANS: present than the currently displayed information.
1388 $this->elementEnd('li');
1391 $pargs = array('page' => $page+1);
1392 $this->elementStart('li', array('class' => 'nav_next'));
1393 $this->element('a', array('href' => common_local_url($action, $args, $pargs),
1395 // TRANS: Pagination message to go to a page displaying information more in the
1396 // TRANS: past than the currently displayed information.
1398 $this->elementEnd('li');
1400 if ($have_before || $have_after) {
1401 $this->elementEnd('ul');
1406 * An array of feeds for this action.
1408 * Returns an array of potential feeds for this action.
1410 * @return array Feed object to show in head and links
1418 * A design for this action
1420 * @return Design a design object to use
1422 function getDesign()
1424 return Design::siteDesign();
1428 * Check the session token.
1430 * Checks that the current form has the correct session token,
1431 * and throw an exception if it does not.
1435 // XXX: Finding this type of check with the same message about 50 times.
1436 // Possible to refactor?
1437 function checkSessionToken()
1440 $token = $this->trimmed('token');
1441 if (empty($token) || $token != common_session_token()) {
1442 // TRANS: Client error text when there is a problem with the session token.
1443 $this->clientError(_('There was a problem with your session token.'));
1448 * Check if the current request is a POST
1450 * @return boolean true if POST; otherwise false.
1455 return ($_SERVER['REQUEST_METHOD'] == 'POST');