--- /dev/null
+<?php
+/*
+ * Copyright (C) 2003-2005 Polytechnique.org
+ * http://opensource.polytechnique.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+
+require_once 'diogenes.page.inc.php';
+require_once 'Barrel.php';
+
+/** This class is used to display a page of a Diogenes barrel,
+ * that is an RCS-managed website with a virtual directory
+ * structure.
+ */
+class DiogenesBarrel extends DiogenesPage
+{
+ // barrel definition info
+
+ /** The database table holding the menus */
+ var $table_menu;
+
+ /** The barrel's alias. */
+ var $alias;
+
+ /** The Diogenes_Barrel representing the barrel */
+ var $barrel;
+
+ // context info
+ /** A Diogenes_Barrel_Page representing the current page */
+ var $curpage;
+
+ /** Information about the current location */
+ var $pathinfo;
+
+ /** Can the current user edit this page? */
+ var $canedit = false;
+
+
+ /** Constructs a Smarty-derived object to display contents within a barrel.
+ *
+ * @param $override_pathinfo
+ */
+ function DiogenesBarrel($override_pathinfo = null)
+ {
+ global $globals;
+
+ // call parent constructor
+ $this->DiogenesPage();
+
+ // break down PATH_INFO into site and location components
+ $mypathinfo = $override_pathinfo ? $override_pathinfo : $_SERVER['PATH_INFO'];
+ $this->pathinfo = $this->parsePathInfo($mypathinfo);
+ if (!$this->pathinfo)
+ $this->kill404("Invalid location specified!");
+
+ // Retrieve site-wide info from database
+ $this->barrel = new Diogenes_Barrel($this->pathinfo['alias']);
+ if (!$this->barrel->alias)
+ $this->kill404("Unknown barrel requested : {$this->pathinfo['alias']}");
+
+ // Legacy
+ $this->alias = $this->barrel->alias;
+ $this->table_menu = $this->barrel->table_menu;
+
+ // Build page head
+ $this->makeHead();
+
+ // Check the requested page exists
+ $tdir = $this->pathinfo['dir'];
+ if ($tdir != 'admin')
+ {
+ if (!$this->pathinfo['PID'] = $this->barrel->getPID($tdir))
+ {
+ $this->kill404("Unknown location specified '$tdir'!");
+ }
+ }
+ }
+
+ /** Check the user has the right permissions.
+ * Read the user's permissions for the current site from database.
+ *
+ * @param level the required permissions level
+ */
+ function checkPerms($level) {
+ global $globals;
+
+ if ($level != "public")
+ $_SESSION['session']->doAuth($this);
+
+ $_SESSION['session']->setBarrelPerms($this->alias);
+
+ if (!$_SESSION['session']->hasPerms($level))
+ $this->kill(__("You are not authorized to view this page!"), 403);
+ }
+
+
+ /** Read the contents for the current location.
+ */
+ function doContent()
+ {
+ global $globals;
+
+ // Retrieve information specific to the current page
+
+ // enable directory index
+ $file = $this->pathinfo['file'] ? $this->pathinfo['file'] : $globals->htmlfile;
+
+ // read from Db
+ if (!$bpage = Diogenes_Barrel_Page::fromDb($this->barrel, $this->pathinfo['PID']))
+ {
+ $this->kill404("Directory not found : '{$this->pathinfo['dir']}' ({$this->pathinfo['PID']}) !");
+ }
+ $this->curpage =& $bpage;
+
+ // check the permissions for the current location
+ if (!$this->pathinfo['file'] || $bpage->props['perms'] != 'public' || isset($_REQUEST['rev'])) {
+ $this->startSession();
+
+ // handle login/logout requests
+ if (isset($_REQUEST['dologout']))
+ $this->doLogout();
+ if (isset($_REQUEST['doauth']))
+ $this->checkPerms('auth');
+
+ $this->checkPerms($bpage->props['perms']);
+
+ // can we edit this page?
+ $this->canedit = $_SESSION['session']->hasPerms($bpage->props['wperms']);
+ }
+
+ // now we can display the page
+ // check the location is valid
+ if (!$this->barrel->spool->checkPath($bpage->props['PID'],$file,false))
+ $this->kill404("Malformed location!");
+
+ // check that the page is 'live'
+ switch ($bpage->props['status']) {
+ case 0:
+ break;
+ case 1:
+ $this->assign('page_content', "<p>".__("This page is currently under construction.")."<p>");
+ $this->display('');
+ exit;
+ default:
+ $this->assign('page_content', "<p>".__("This page is currently unavailable.")."<p>");
+ $this->display('');
+ exit;
+ }
+
+ // if necessary, do a checkout
+ if (isset($_REQUEST['rev'])) {
+ $rcs = $this->getRcs();
+ $path = $rcs->checkout($bpage->props['PID'],$file,$_REQUEST['rev'],System::mktemp("-d"));
+ } else {
+ $path = $this->barrel->spool->spoolPath($bpage->props['PID'],$file);
+ }
+
+ if (!is_file($path))
+ $this->kill404("File not found : $path!");
+
+ if (!$this->pathinfo['file']) {
+ // this is a page, display it within header/footer framework
+ $this->doPage($path, $bpage);
+ } else {
+ // otherwise, we send back the raw file
+ $type = get_mime_type($path);
+ if (is_mime_multipart($type)) {
+ $boundary = get_mime_boundary($path);
+ if ($boundary) $type = "$type; boundary=\"$boundary\"";
+ }
+ header("Content-Type:$type");
+ header("Content-Length:".filesize($path));
+ header("Last-modified:".gmdate("D, d M Y H:i:s T", filemtime($path)));
+ readfile($path);
+ }
+
+ }
+
+
+ /** Display a page within the header/footer framework.
+ *
+ * @param path the path of the file
+ * @param bpage a Diogenes_Barrel_Page representing the current page
+ */
+ function doPage($path, $bpage)
+ {
+ global $globals;
+
+ $this->assign('page',stripslashes($bpage->props['title']));
+
+ // load plugins
+ $this->barrel->readPlugins();
+ $active_plugins = $this->barrel->loadPlugins($bpage);
+
+ // search for rendering pluging
+ $render_plugin = '';
+ foreach ($active_plugins as $plugname => $plugobj) {
+ if (is_object($plugobj) && ($plugobj->type == "render")) {
+ $render_plugin = $plugobj;
+ }
+ }
+ // source page or pass it to a rendering plugin
+ if (is_object($render_plugin)) {
+ $content = $render_plugin->render($path);
+ } else {
+ $content = file_get_contents($path);
+ }
+
+ // apply plugin filtering
+ foreach ($active_plugins as $plugname => $plugobj) {
+ if (is_object($plugobj) && ($plugobj->type == "filter")) {
+ $content = $plugobj->filter($content);
+ }
+ }
+ $this->assign('page_content', $content);
+
+ parent::display('', $this->getTemplate($bpage->props['template']));
+ }
+
+
+ /** Return an RCS handle. */
+ function getRcs()
+ {
+ global $globals;
+ return new $globals->rcs($this,$this->alias,$_SESSION['session']->username);
+ }
+
+
+ /** Returns the master template for the current context.
+ *
+ * @param template
+ */
+ function getTemplate($template = '')
+ {
+ if ($template)
+ {
+ // we have a page-specific template, get its full path
+ $tpl = $this->templatePath($template);
+ } else if ($this->barrel->options->template) {
+ // we have default site template, get is full path
+ $tpl = $this->templatePath($this->barrel->options->template);
+ } else {
+ // fall back on the system-wide default template
+ $tpl = parent::getTemplate();
+ }
+ return $tpl;
+ }
+
+
+ /** Returns the available master templates. */
+ function getTemplates()
+ {
+ // the system-wide templates
+ $templates = parent::getTemplates();
+ $bbarrel =& $this->barrel;
+
+ // lookup templates in the template directory
+ if ($bbarrel->hasFlag('tpl') && $bbarrel->options->template_dir) {
+ $dir = $bbarrel->spool->spoolPath($bbarrel->options->template_dir);
+ $files = System::find($dir.' -maxdepth 1 -name *.tpl');
+ foreach ($files as $file)
+ $templates["barrel:".basename($file)] = "[barrel] ".basename($file);
+ }
+ return $templates;
+ }
+
+
+ /** Is the user an administrator for the current barrel ? */
+ function isAdmin() {
+ return isset($_SESSION['session']) && $_SESSION['session']->hasPerms('admin');
+ }
+
+
+ /** Build the page's "head" tag.
+ */
+ function makeHead() {
+ global $globals;
+ $bbarrel =& $this->barrel;
+
+ // site name
+ $this->assign('site', stripslashes($bbarrel->options->title));
+
+ // meta
+ array_push($this->head, '<meta name="description" content="'.stripslashes($bbarrel->options->description).'" />');
+ array_push($this->head, '<meta name="keywords" content="'.stripslashes($bbarrel->options->keywords).'" />');
+
+ // stylesheets
+ $this->sheets = array();
+ array_push($this->sheets, $this->url("common.css"));
+ if ($bbarrel->options->menu_style == 1 || $bbarrel->options->menu_style == 2)
+ array_push($this->sheets, $this->url("phplayersmenu/{$bbarrel->options->menu_theme}/style.css"));
+ array_push($this->sheets, $this->urlSite("", $globals->cssfile));
+
+ // add stylesheets to head
+ foreach ($this->sheets as $mysheet) {
+ array_push($this->head, '<link rel="stylesheet" href="'.$mysheet.'" type="text/css" />');
+ }
+ // favicon
+ if ($bbarrel->options->favicon)
+ array_push($this->head, '<link rel="icon" href="'.$this->urlSite("", $bbarrel->options->favicon).'" type="image/png" />');
+ }
+
+
+ /** Build the barrel's menu.
+ */
+ function makeMenu() {
+ global $globals;
+ $bbarrel =& $this->barrel;
+
+ // menu style & theme
+ $this->assign('menustyle', $bbarrel->options->menu_style);
+ $this->assign('menutheme', $bbarrel->options->menu_theme);
+
+ $PID = $this->curpage->props['PID'];
+
+ // build the Diogenes part of the menu
+ if (!$bbarrel->options->menu_hide_diogenes) {
+ array_push($this->menu,array(0,__("Home"),$this->urlSite(""), 1));
+ if ($this->isLogged()) {
+ array_push($this->menu, array(1,__("Logout"), "?dologout=1") );
+ array_push($this->menu, array(1,__("Preferences"), $this->urlSite("admin", "prefs")));
+ } else {
+ array_push($this->menu, array(1,__("Login"), "?doauth=1") );
+ }
+
+ if ($this->isAdmin()) {
+ array_push($this->menu, array(1, __("Administration"), $this->urlSite("admin")));
+ if ($PID)
+ array_push($this->menu, array(1, __("Page properties"), $this->urlSite("admin", "pages?dir=$PID")));
+ } elseif ($this->canedit && $PID) {
+ array_push($this->menu, array(0, __("Edit this page"), "", 1));
+ array_push($this->menu, array(1, __("Raw editor"), $this->urlSite("admin", "edit?dir=$PID&file={$globals->htmlfile}")));
+ array_push($this->menu, array(1, __("HTML editor"), $this->urlSite("admin" , "compose?dir=$PID&file={$globals->htmlfile}")));
+ }
+ }
+
+ // if this is an error page, we need to bail out here
+ if (!isset($this->table_menu))
+ return;
+
+ // try to figure out the current MID from the current PID
+ // and build filiation
+ $filiation = array();
+ $res = $this->dbh->query("select MID from {$this->table_menu} where PID='$PID'");
+ while (list($MID) = mysql_fetch_row($res))
+ $filiation = $this->menuToRoot($MID, $filiation);
+ mysql_free_result($res);
+
+ // add the user-defined part of the menu
+ $this->menu = array_merge($this->menu,$this->menuRecurse(0,$filiation,0));
+ }
+
+
+ /** Return the filiation to get to the root element.
+ *
+ * @param MID
+ * @param path
+ */
+ function menuToRoot($MID, $path) {
+ /* add ourself to the path */
+ array_push($path,$MID);
+
+ if ($MID) {
+ /* recursion */
+ $res = $this->dbh->query("select MIDpere from {$this->table_menu} where MID=$MID");
+ list($MIDpere) = mysql_fetch_row($res);
+ mysql_free_result($res);
+
+ return $this->menuToRoot($MIDpere, $path);
+ } else {
+ /* termination */
+ return $path;
+ }
+ }
+
+
+ /** Recursively add menu entries
+ *
+ * @param MIDpere
+ * @param filiation
+ * @param level
+ */
+ function menuRecurse($MIDpere, $filiation, $level) {
+ // the produced output
+ $out = array();
+
+ $res = $this->dbh->query("select m.MID,m.title,m.link,m.PID ".
+ "from {$this->table_menu} as m ".
+ "where MIDpere=$MIDpere order by ordre");
+
+ while(list($mid,$title,$link,$pid) = mysql_fetch_row($res)) {
+ $location = $this->barrel->getLocation($pid);
+// echo "pid : $pid, location : $location<br/>";
+ $title = stripslashes($title);
+ $entry = htmlentities(stripslashes($title), ENT_QUOTES);
+ $link = $pid ? $this->urlSite($location) : $link;
+ // decide whether this menu should be expanded
+ $expanded = ($this->barrel->options->menu_min_level == 0) ||
+ ($level+1 < $this->barrel->options->menu_min_level) ||
+ in_array($mid, $filiation);
+ array_push($out, array($level, $entry, $link, $expanded));
+ $out = array_merge($out, $this->menuRecurse($mid, $filiation, $level+1));
+ }
+
+ // free MySQL result and return output
+ mysql_free_result($res);
+ return $out;
+ }
+
+
+ /**
+ * Break down a PATH_INFO into site, page id and file
+ * Directories *must* be accessed with a final slash.
+ *
+ * @param path the path to parse
+ */
+ function parsePathInfo($path) {
+ if (empty($path) || !preg_match("/^\/([^\/]+)\/((.+)\/)?([^\/]*)$/",$path,$asplit))
+ return false;
+
+ $split['alias'] = $asplit[1];
+ $split['dir'] = isset($asplit[3]) ? $asplit[3] : "";
+ $split['file'] = isset($asplit[4]) ? $asplit[4] : "";
+ return $split;
+ }
+
+
+ /** Return the current URI.
+ */
+ function script_uri()
+ {
+ if ($this->barrel->vhost)
+ return preg_replace("/^(.*)\/site(\.php)?\/{$this->alias}\/(.*)/", "/\$3",$_SERVER['REQUEST_URI']);
+ else
+ return $_SERVER['REQUEST_URI'];
+ }
+
+
+ /** Returns the path to a given template. */
+ function templatePath($template)
+ {
+ global $globals;
+
+ $bits = split(":", $template);
+ switch ($bits[0]) {
+ case "global":
+ $path = $globals->template_dir."/". $bits[1];
+ break;
+ case "barrel":
+ $path = $this->barrel->spool->spoolPath($this->barrel->options->template_dir, $bits[1]);
+ break;
+ default:
+ $path = parent::templatePath($template);
+ }
+ return $path;
+ }
+
+
+ /** Returns the URL to one of the barrel's pages relative to
+ * the current location.
+ *
+ * @param dir
+ * @param file
+ */
+ function urlSite($dir, $file = '') {
+ global $page;
+ $tosite = strlen($this->pathinfo['dir']) ? str_repeat("../",1+substr_count($this->pathinfo['dir'],"/")) : '';
+ $url = $tosite . (strlen($dir) ? "$dir/" : "") . $file;
+ return strlen($url) ? $url : "./";
+ }
+
+}
+
+?>
projects / diogenes.git / blobdiff