/**
* _getLastMediaRevisionAt is a helperfunction to internalmedia() and _media()
* which returns an existing media revision less or equal to rev or date_at
*
* @author lisps
* @param string $media_id
* @access protected
* @return string revision ('' for current)
*/
function _getLastMediaRevisionAt($media_id)
{
if (!$this->date_at || media_isexternal($media_id)) {
return '';
}
$pagelog = new MediaChangeLog($media_id);
return $pagelog->getLastRevisionAt($this->date_at);
}
/**
* display recent changes
*
* @author Andreas Gohr <*****@*****.**>
* @author Matthias Grimm <*****@*****.**>
* @author Ben Coburn <*****@*****.**>
* @author Kate Arzamastseva <*****@*****.**>
*
* @param int $first
* @param string $show_changes
*/
function html_recent($first = 0, $show_changes = 'both')
{
global $conf;
global $lang;
global $ID;
/* we need to get one additionally log entry to be able to
* decide if this is the last page or is there another one.
* This is the cheapest solution to get this information.
*/
$flags = 0;
if ($show_changes == 'mediafiles' && $conf['mediarevisions']) {
$flags = RECENTS_MEDIA_CHANGES;
} elseif ($show_changes == 'pages') {
$flags = 0;
} elseif ($conf['mediarevisions']) {
$show_changes = 'both';
$flags = RECENTS_MEDIA_PAGES_MIXED;
}
$recents = getRecents($first, $conf['recent'] + 1, getNS($ID), $flags);
if (count($recents) == 0 && $first != 0) {
$first = 0;
$recents = getRecents($first, $conf['recent'] + 1, getNS($ID), $flags);
}
$hasNext = false;
if (count($recents) > $conf['recent']) {
$hasNext = true;
array_pop($recents);
// remove extra log entry
}
print p_locale_xhtml('recent');
if (getNS($ID) != '') {
print '<div class="level1"><p>' . sprintf($lang['recent_global'], getNS($ID), wl('', 'do=recent')) . '</p></div>';
}
$form = new Doku_Form(array('id' => 'dw__recent', 'method' => 'GET', 'class' => 'changes'));
$form->addHidden('sectok', null);
$form->addHidden('do', 'recent');
$form->addHidden('id', $ID);
if ($conf['mediarevisions']) {
$form->addElement('<div class="changeType">');
$form->addElement(form_makeListboxField('show_changes', array('pages' => $lang['pages_changes'], 'mediafiles' => $lang['media_changes'], 'both' => $lang['both_changes']), $show_changes, $lang['changes_type'], '', '', array('class' => 'quickselect')));
$form->addElement(form_makeButton('submit', 'recent', $lang['btn_apply']));
$form->addElement('</div>');
}
$form->addElement(form_makeOpenTag('ul'));
foreach ($recents as $recent) {
$date = dformat($recent['date']);
if ($recent['type'] === DOKU_CHANGE_TYPE_MINOR_EDIT) {
$form->addElement(form_makeOpenTag('li', array('class' => 'minor')));
} else {
$form->addElement(form_makeOpenTag('li'));
}
$form->addElement(form_makeOpenTag('div', array('class' => 'li')));
if (!empty($recent['media'])) {
$form->addElement(media_printicon($recent['id']));
} else {
$icon = DOKU_BASE . 'lib/images/fileicons/file.png';
$form->addElement('<img src="' . $icon . '" alt="' . $recent['id'] . '" class="icon" />');
}
$form->addElement(form_makeOpenTag('span', array('class' => 'date')));
$form->addElement($date);
$form->addElement(form_makeCloseTag('span'));
$diff = false;
$href = '';
if (!empty($recent['media'])) {
$changelog = new MediaChangeLog($recent['id']);
$revs = $changelog->getRevisions(0, 1);
$diff = count($revs) && file_exists(mediaFN($recent['id']));
if ($diff) {
$href = media_managerURL(array('tab_details' => 'history', 'mediado' => 'diff', 'image' => $recent['id'], 'ns' => getNS($recent['id'])), '&');
}
} else {
$href = wl($recent['id'], "do=diff", false, '&');
}
if (!empty($recent['media']) && !$diff) {
$form->addElement('<img src="' . DOKU_BASE . 'lib/images/blank.gif" width="15" height="11" alt="" />');
} else {
$form->addElement(form_makeOpenTag('a', array('class' => 'diff_link', 'href' => $href)));
$form->addElement(form_makeTag('img', array('src' => DOKU_BASE . 'lib/images/diff.png', 'width' => 15, 'height' => 11, 'title' => $lang['diff'], 'alt' => $lang['diff'])));
$form->addElement(form_makeCloseTag('a'));
}
if (!empty($recent['media'])) {
$href = media_managerURL(array('tab_details' => 'history', 'image' => $recent['id'], 'ns' => getNS($recent['id'])), '&');
} else {
$href = wl($recent['id'], "do=revisions", false, '&');
}
$form->addElement(form_makeOpenTag('a', array('class' => 'revisions_link', 'href' => $href)));
$form->addElement(form_makeTag('img', array('src' => DOKU_BASE . 'lib/images/history.png', 'width' => 12, 'height' => 14, 'title' => $lang['btn_revs'], 'alt' => $lang['btn_revs'])));
$form->addElement(form_makeCloseTag('a'));
if (!empty($recent['media'])) {
$href = media_managerURL(array('tab_details' => 'view', 'image' => $recent['id'], 'ns' => getNS($recent['id'])), '&');
$class = file_exists(mediaFN($recent['id'])) ? 'wikilink1' : ($class = 'wikilink2');
$form->addElement(form_makeOpenTag('a', array('class' => $class, 'href' => $href)));
$form->addElement($recent['id']);
$form->addElement(form_makeCloseTag('a'));
} else {
$form->addElement(html_wikilink(':' . $recent['id'], useHeading('navigation') ? null : $recent['id']));
}
$form->addElement(form_makeOpenTag('span', array('class' => 'sum')));
$form->addElement(' – ' . htmlspecialchars($recent['sum']));
$form->addElement(form_makeCloseTag('span'));
$form->addElement(form_makeOpenTag('span', array('class' => 'user')));
if ($recent['user']) {
$form->addElement('<bdi>' . editorinfo($recent['user']) . '</bdi>');
if (auth_ismanager()) {
$form->addElement(' <bdo dir="ltr">(' . $recent['ip'] . ')</bdo>');
}
} else {
$form->addElement('<bdo dir="ltr">' . $recent['ip'] . '</bdo>');
}
$form->addElement(form_makeCloseTag('span'));
$form->addElement(form_makeCloseTag('div'));
$form->addElement(form_makeCloseTag('li'));
}
$form->addElement(form_makeCloseTag('ul'));
$form->addElement(form_makeOpenTag('div', array('class' => 'pagenav')));
$last = $first + $conf['recent'];
if ($first > 0) {
$first -= $conf['recent'];
if ($first < 0) {
$first = 0;
}
$form->addElement(form_makeOpenTag('div', array('class' => 'pagenav-prev')));
$form->addElement(form_makeOpenTag('button', array('type' => 'submit', 'name' => 'first[' . $first . ']', 'accesskey' => 'n', 'title' => $lang['btn_newer'] . ' [N]', 'class' => 'button show')));
$form->addElement($lang['btn_newer']);
$form->addElement(form_makeCloseTag('button'));
$form->addElement(form_makeCloseTag('div'));
}
if ($hasNext) {
$form->addElement(form_makeOpenTag('div', array('class' => 'pagenav-next')));
$form->addElement(form_makeOpenTag('button', array('type' => 'submit', 'name' => 'first[' . $last . ']', 'accesskey' => 'p', 'title' => $lang['btn_older'] . ' [P]', 'class' => 'button show')));
$form->addElement($lang['btn_older']);
$form->addElement(form_makeCloseTag('button'));
$form->addElement(form_makeCloseTag('div'));
}
$form->addElement(form_makeCloseTag('div'));
html_form('recent', $form);
}
/**
* Returns a full media id
*
* @author Andreas Gohr <*****@*****.**>
*
* @param string $ns namespace which is context of id
* @param string &$page (reference) relative media id, updated to resolved id
* @param bool &$exists (reference) updated with existance of media
*/
function resolve_mediaid($ns, &$page, &$exists, $rev = '', $date_at = false)
{
$page = resolve_id($ns, $page);
if ($rev !== '' && $date_at) {
$medialog = new MediaChangeLog($page);
$medialog_rev = $medialog->getLastRevisionAt($rev);
if ($medialog_rev !== false) {
$rev = $medialog_rev;
}
}
$file = mediaFN($page, $rev);
$exists = @file_exists($file);
}
/**
* Shows difference between two revisions of file
*
* @author Kate Arzamastseva <*****@*****.**>
*/
function media_diff($image, $ns, $auth, $fromajax = false)
{
global $conf;
global $INPUT;
if ($auth < AUTH_READ || !$image || !$conf['mediarevisions']) {
return '';
}
$rev1 = $INPUT->int('rev');
$rev2 = $INPUT->ref('rev2');
if (is_array($rev2)) {
$rev1 = (int) $rev2[0];
$rev2 = (int) $rev2[1];
if (!$rev1) {
$rev1 = $rev2;
unset($rev2);
}
} else {
$rev2 = $INPUT->int('rev2');
}
if ($rev1 && !file_exists(mediaFN($image, $rev1))) {
$rev1 = false;
}
if ($rev2 && !file_exists(mediaFN($image, $rev2))) {
$rev2 = false;
}
if ($rev1 && $rev2) {
// two specific revisions wanted
// make sure order is correct (older on the left)
if ($rev1 < $rev2) {
$l_rev = $rev1;
$r_rev = $rev2;
} else {
$l_rev = $rev2;
$r_rev = $rev1;
}
} elseif ($rev1) {
// single revision given, compare to current
$r_rev = '';
$l_rev = $rev1;
} else {
// no revision was given, compare previous to current
$r_rev = '';
$medialog = new MediaChangeLog($image);
$revs = $medialog->getRevisions(0, 1);
if (file_exists(mediaFN($image, $revs[0]))) {
$l_rev = $revs[0];
} else {
$l_rev = '';
}
}
// prepare event data
$data[0] = $image;
$data[1] = $l_rev;
$data[2] = $r_rev;
$data[3] = $ns;
$data[4] = $auth;
$data[5] = $fromajax;
// trigger event
return trigger_event('MEDIA_DIFF', $data, '_media_file_diff', true);
}
/**
* Return info about a media file
*
* @author Gina Haeussge <*****@*****.**>
*
* @param string $id page id
* @return array
*/
public function getAttachmentInfo($id)
{
$id = cleanID($id);
$info = array('lastModified' => $this->api->toDate(0), 'size' => 0);
$file = mediaFN($id);
if (auth_quickaclcheck(getNS($id) . ':*') >= AUTH_READ) {
if (file_exists($file)) {
$info['lastModified'] = $this->api->toDate(filemtime($file));
$info['size'] = filesize($file);
} else {
//Is it deleted media with changelog?
$medialog = new MediaChangeLog($id);
$revisions = $medialog->getRevisions(0, 1);
if (!empty($revisions)) {
$info['lastModified'] = $this->api->toDate($revisions[0]);
}
}
}
return $info;
}
/**
* Add recent changed pages to a feed object
*
* @author Andreas Gohr <*****@*****.**>
* @param FeedCreator $rss the FeedCreator Object
* @param array $data the items to add
* @param array $opt the feed options
*/
function rss_buildItems(&$rss, &$data, $opt)
{
global $conf;
global $lang;
/* @var DokuWiki_Auth_Plugin $auth */
global $auth;
$eventData = array('rss' => &$rss, 'data' => &$data, 'opt' => &$opt);
$event = new Doku_Event('FEED_DATA_PROCESS', $eventData);
if ($event->advise_before(false)) {
foreach ($data as $ditem) {
if (!is_array($ditem)) {
// not an array? then only a list of IDs was given
$ditem = array('id' => $ditem);
}
$item = new FeedItem();
$id = $ditem['id'];
if (!$ditem['media']) {
$meta = p_get_metadata($id);
} else {
$meta = array();
}
// add date
if ($ditem['date']) {
$date = $ditem['date'];
} elseif ($ditem['media']) {
$date = @filemtime(mediaFN($id));
} elseif (file_exists(wikiFN($id))) {
$date = @filemtime(wikiFN($id));
} elseif ($meta['date']['modified']) {
$date = $meta['date']['modified'];
} else {
$date = 0;
}
if ($date) {
$item->date = date('r', $date);
}
// add title
if ($conf['useheading'] && $meta['title']) {
$item->title = $meta['title'];
} else {
$item->title = $ditem['id'];
}
if ($conf['rss_show_summary'] && !empty($ditem['sum'])) {
$item->title .= ' - ' . strip_tags($ditem['sum']);
}
// add item link
switch ($opt['link_to']) {
case 'page':
if ($ditem['media']) {
$item->link = media_managerURL(array('image' => $id, 'ns' => getNS($id), 'rev' => $date), '&', true);
} else {
$item->link = wl($id, 'rev=' . $date, true, '&');
}
break;
case 'rev':
if ($ditem['media']) {
$item->link = media_managerURL(array('image' => $id, 'ns' => getNS($id), 'rev' => $date, 'tab_details' => 'history'), '&', true);
} else {
$item->link = wl($id, 'do=revisions&rev=' . $date, true, '&');
}
break;
case 'current':
if ($ditem['media']) {
$item->link = media_managerURL(array('image' => $id, 'ns' => getNS($id)), '&', true);
} else {
$item->link = wl($id, '', true, '&');
}
break;
case 'diff':
default:
if ($ditem['media']) {
$item->link = media_managerURL(array('image' => $id, 'ns' => getNS($id), 'rev' => $date, 'tab_details' => 'history', 'mediado' => 'diff'), '&', true);
} else {
$item->link = wl($id, 'rev=' . $date . '&do=diff', true, '&');
}
}
// add item content
switch ($opt['item_content']) {
case 'diff':
case 'htmldiff':
if ($ditem['media']) {
$medialog = new MediaChangeLog($id);
$revs = $medialog->getRevisions(0, 1);
$rev = $revs[0];
$src_r = '';
$src_l = '';
if ($size = media_image_preview_size($id, '', new JpegMeta(mediaFN($id)), 300)) {
$more = 'w=' . $size[0] . '&h=' . $size[1] . '&t=' . @filemtime(mediaFN($id));
$src_r = ml($id, $more, true, '&', true);
}
if ($rev && ($size = media_image_preview_size($id, $rev, new JpegMeta(mediaFN($id, $rev)), 300))) {
$more = 'rev=' . $rev . '&w=' . $size[0] . '&h=' . $size[1];
$src_l = ml($id, $more, true, '&', true);
}
$content = '';
if ($src_r) {
$content = '<table>';
$content .= '<tr><th width="50%">' . $rev . '</th>';
$content .= '<th width="50%">' . $lang['current'] . '</th></tr>';
$content .= '<tr align="center"><td><img src="' . $src_l . '" alt="" /></td><td>';
$content .= '<img src="' . $src_r . '" alt="' . $id . '" /></td></tr>';
$content .= '</table>';
}
} else {
require_once DOKU_INC . 'inc/DifferenceEngine.php';
$pagelog = new PageChangeLog($id);
$revs = $pagelog->getRevisions(0, 1);
$rev = $revs[0];
if ($rev) {
$df = new Diff(explode("\n", rawWiki($id, $rev)), explode("\n", rawWiki($id, '')));
} else {
$df = new Diff(array(''), explode("\n", rawWiki($id, '')));
}
if ($opt['item_content'] == 'htmldiff') {
// note: no need to escape diff output, TableDiffFormatter provides 'safe' html
$tdf = new TableDiffFormatter();
$content = '<table>';
$content .= '<tr><th colspan="2" width="50%">' . $rev . '</th>';
$content .= '<th colspan="2" width="50%">' . $lang['current'] . '</th></tr>';
$content .= $tdf->format($df);
$content .= '</table>';
} else {
// note: diff output must be escaped, UnifiedDiffFormatter provides plain text
$udf = new UnifiedDiffFormatter();
$content = "<pre>\n" . hsc($udf->format($df)) . "\n</pre>";
}
}
break;
case 'html':
if ($ditem['media']) {
if ($size = media_image_preview_size($id, '', new JpegMeta(mediaFN($id)))) {
$more = 'w=' . $size[0] . '&h=' . $size[1] . '&t=' . @filemtime(mediaFN($id));
$src = ml($id, $more, true, '&', true);
$content = '<img src="' . $src . '" alt="' . $id . '" />';
} else {
$content = '';
}
} else {
if (@filemtime(wikiFN($id)) === $date) {
$content = p_wiki_xhtml($id, '', false);
} else {
$content = p_wiki_xhtml($id, $date, false);
}
// no TOC in feeds
$content = preg_replace('/(<!-- TOC START -->).*(<!-- TOC END -->)/s', '', $content);
// add alignment for images
$content = preg_replace('/(<img .*?class="medialeft")/s', '\\1 align="left"', $content);
$content = preg_replace('/(<img .*?class="mediaright")/s', '\\1 align="right"', $content);
// make URLs work when canonical is not set, regexp instead of rerendering!
if (!$conf['canonical']) {
$base = preg_quote(DOKU_REL, '/');
$content = preg_replace('/(<a href|<img src)="(' . $base . ')/s', '$1="' . DOKU_URL, $content);
}
}
break;
case 'abstract':
default:
if ($ditem['media']) {
if ($size = media_image_preview_size($id, '', new JpegMeta(mediaFN($id)))) {
$more = 'w=' . $size[0] . '&h=' . $size[1] . '&t=' . @filemtime(mediaFN($id));
$src = ml($id, $more, true, '&', true);
$content = '<img src="' . $src . '" alt="' . $id . '" />';
} else {
$content = '';
}
} else {
$content = $meta['description']['abstract'];
}
}
$item->description = $content;
//FIXME a plugin hook here could be senseful
// add user
# FIXME should the user be pulled from metadata as well?
$user = @$ditem['user'];
// the @ spares time repeating lookup
$item->author = '';
if ($user && $conf['useacl'] && $auth) {
$userInfo = $auth->getUserData($user);
if ($userInfo) {
switch ($conf['showuseras']) {
case 'username':
case 'username_link':
$item->author = $userInfo['name'];
break;
default:
$item->author = $user;
break;
}
} else {
$item->author = $user;
}
if ($userInfo && !$opt['guardmail']) {
$item->authorEmail = $userInfo['mail'];
} else {
//cannot obfuscate because some RSS readers may check validity
$item->authorEmail = $user . '@' . $ditem['ip'];
}
} elseif ($user) {
// this happens when no ACL but some Apache auth is used
$item->author = $user;
$item->authorEmail = $user . '@' . $ditem['ip'];
} else {
$item->authorEmail = 'anonymous@' . $ditem['ip'];
}
// add category
if (isset($meta['subject'])) {
$item->category = $meta['subject'];
} else {
$cat = getNS($id);
if ($cat) {
$item->category = $cat;
}
}
// finally add the item to the feed object, after handing it to registered plugins
$evdata = array('item' => &$item, 'opt' => &$opt, 'ditem' => &$ditem, 'rss' => &$rss);
$evt = new Doku_Event('FEED_ITEM_ADD', $evdata);
if ($evt->advise_before()) {
$rss->addItem($item);
}
$evt->advise_after();
// for completeness
}
}
$event->advise_after();
}
