1 files changed, 193 insertions, 0 deletions
diff --git a/platform/www/lib/plugins/revert/admin.php b/platform/www/lib/plugins/revert/admin.php
new file mode 100644
index 0000000..2d11dc0
--- /dev/null
+++ b/platform/www/lib/plugins/revert/admin.php
@@ -0,0 +1,193 @@
+<?php
+
+use dokuwiki\ChangeLog\PageChangeLog;
+
+/**
+ * All DokuWiki plugins to extend the admin function
+ * need to inherit from this class
+ */
+class admin_plugin_revert extends DokuWiki_Admin_Plugin
+{
+    protected $cmd;
+    // some vars which might need tuning later
+    protected $max_lines = 800; // lines to read from changelog
+    protected $max_revs  = 20;  // numer of old revisions to check
+
+
+    /**
+     * Constructor
+     */
+    public function __construct()
+    {
+        $this->setupLocale();
+    }
+
+    /**
+     * access for managers
+     */
+    public function forAdminOnly()
+    {
+        return false;
+    }
+
+    /**
+     * return sort order for position in admin menu
+     */
+    public function getMenuSort()
+    {
+        return 40;
+    }
+
+    /**
+     * handle user request
+     */
+    public function handle()
+    {
+    }
+
+    /**
+     * output appropriate html
+     */
+    public function html()
+    {
+        global $INPUT;
+
+        echo $this->locale_xhtml('intro');
+
+        $this->printSearchForm();
+
+        if (is_array($INPUT->param('revert')) && checkSecurityToken()) {
+            $this->revertEdits($INPUT->arr('revert'), $INPUT->str('filter'));
+        } elseif ($INPUT->has('filter')) {
+            $this->listEdits($INPUT->str('filter'));
+        }
+    }
+
+    /**
+     * Display the form for searching spam pages
+     */
+    protected function printSearchForm()
+    {
+        global $lang, $INPUT;
+        echo '<form action="" method="post"><div class="no">';
+        echo '<label>'.$this->getLang('filter').': </label>';
+        echo '<input type="text" name="filter" class="edit" value="'.hsc($INPUT->str('filter')).'" /> ';
+        echo '<button type="submit">'.$lang['btn_search'].'</button> ';
+        echo '<span>'.$this->getLang('note1').'</span>';
+        echo '</div></form><br /><br />';
+    }
+
+    /**
+     * Start the reversion process
+     */
+    protected function revertEdits($revert, $filter)
+    {
+        echo '<hr /><br />';
+        echo '<p>'.$this->getLang('revstart').'</p>';
+
+        echo '<ul>';
+        foreach ($revert as $id) {
+            global $REV;
+
+            // find the last non-spammy revision
+            $data = '';
+            $pagelog = new PageChangeLog($id);
+            $old  = $pagelog->getRevisions(0, $this->max_revs);
+            if (count($old)) {
+                foreach ($old as $REV) {
+                    $data = rawWiki($id, $REV);
+                    if (strpos($data, $filter) === false) break;
+                }
+            }
+
+            if ($data) {
+                saveWikiText($id, $data, 'old revision restored', false);
+                printf('<li><div class="li">'.$this->getLang('reverted').'</div></li>', $id, $REV);
+            } else {
+                saveWikiText($id, '', '', false);
+                printf('<li><div class="li">'.$this->getLang('removed').'</div></li>', $id);
+            }
+            @set_time_limit(10);
+            flush();
+        }
+        echo '</ul>';
+
+        echo '<p>'.$this->getLang('revstop').'</p>';
+    }
+
+    /**
+     * List recent edits matching the given filter
+     */
+    protected function listEdits($filter)
+    {
+        global $conf;
+        global $lang;
+        echo '<hr /><br />';
+        echo '<form action="" method="post"><div class="no">';
+        echo '<input type="hidden" name="filter" value="'.hsc($filter).'" />';
+        formSecurityToken();
+
+        $recents = getRecents(0, $this->max_lines);
+        echo '<ul>';
+
+        $cnt = 0;
+        foreach ($recents as $recent) {
+            if ($filter) {
+                if (strpos(rawWiki($recent['id']), $filter) === false) continue;
+            }
+
+            $cnt++;
+            $date = dformat($recent['date']);
+
+            echo ($recent['type']===DOKU_CHANGE_TYPE_MINOR_EDIT) ? '<li class="minor">' : '<li>';
+            echo '<div class="li">';
+            echo '<input type="checkbox" name="revert[]" value="'.hsc($recent['id']).
+                '" checked="checked" id="revert__'.$cnt.'" />';
+            echo ' <label for="revert__'.$cnt.'">'.$date.'</label> ';
+
+            echo '<a href="'.wl($recent['id'], "do=diff").'">';
+            $p = array();
+            $p['src']    = DOKU_BASE.'lib/images/diff.png';
+            $p['width']  = 15;
+            $p['height'] = 11;
+            $p['title']  = $lang['diff'];
+            $p['alt']    = $lang['diff'];
+            $att = buildAttributes($p);
+            echo "<img $att />";
+            echo '</a> ';
+
+            echo '<a href="'.wl($recent['id'], "do=revisions").'">';
+            $p = array();
+            $p['src']    = DOKU_BASE.'lib/images/history.png';
+            $p['width']  = 12;
+            $p['height'] = 14;
+            $p['title']  = $lang['btn_revs'];
+            $p['alt']    = $lang['btn_revs'];
+            $att = buildAttributes($p);
+            echo "<img $att />";
+            echo '</a> ';
+
+            echo html_wikilink(':'.$recent['id'], (useHeading('navigation'))?null:$recent['id']);
+            echo ' – '.htmlspecialchars($recent['sum']);
+
+            echo ' <span class="user">';
+                echo $recent['user'].' '.$recent['ip'];
+            echo '</span>';
+
+            echo '</div>';
+            echo '</li>';
+
+            @set_time_limit(10);
+            flush();
+        }
+        echo '</ul>';
+
+        echo '<p>';
+        echo '<button type="submit">'.$this->getLang('revert').'</button> ';
+        printf($this->getLang('note2'), hsc($filter));
+        echo '</p>';
+
+        echo '</div></form>';
+    }
+}
+//Setup VIM: ex: et ts=4 :