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6855525e JL |
1 | <?php |
2 | /* | |
3 | * Copyright (C) 2003-2005 Polytechnique.org | |
4 | * http://opensource.polytechnique.org/ | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | */ | |
20 | ||
21 | ||
22 | require_once 'diogenes.page.inc.php'; | |
23 | require_once 'Barrel.php'; | |
51dda582 | 24 | require_once 'Barrel/Menu.php'; |
6855525e JL |
25 | |
26 | /** This class is used to display a page of a Diogenes barrel, | |
27 | * that is an RCS-managed website with a virtual directory | |
28 | * structure. | |
29 | */ | |
30 | class DiogenesBarrel extends DiogenesPage | |
31 | { | |
32 | // barrel definition info | |
33 | ||
34 | /** The database table holding the menus */ | |
35 | var $table_menu; | |
36 | ||
37 | /** The barrel's alias. */ | |
38 | var $alias; | |
39 | ||
40 | /** The Diogenes_Barrel representing the barrel */ | |
41 | var $barrel; | |
42 | ||
43 | // context info | |
44 | /** A Diogenes_Barrel_Page representing the current page */ | |
45 | var $curpage; | |
46 | ||
47 | /** Information about the current location */ | |
48 | var $pathinfo; | |
49 | ||
50 | /** Can the current user edit this page? */ | |
51 | var $canedit = false; | |
52 | ||
53 | ||
54 | /** Constructs a Smarty-derived object to display contents within a barrel. | |
55 | * | |
56 | * @param $override_pathinfo | |
57 | */ | |
58 | function DiogenesBarrel($override_pathinfo = null) | |
59 | { | |
60 | global $globals; | |
61 | ||
62 | // call parent constructor | |
63 | $this->DiogenesPage(); | |
64 | ||
65 | // break down PATH_INFO into site and location components | |
66 | $mypathinfo = $override_pathinfo ? $override_pathinfo : $_SERVER['PATH_INFO']; | |
67 | $this->pathinfo = $this->parsePathInfo($mypathinfo); | |
68 | if (!$this->pathinfo) | |
69 | $this->kill404("Invalid location specified!"); | |
70 | ||
71 | // Retrieve site-wide info from database | |
72 | $this->barrel = new Diogenes_Barrel($this->pathinfo['alias']); | |
73 | if (!$this->barrel->alias) | |
74 | $this->kill404("Unknown barrel requested : {$this->pathinfo['alias']}"); | |
75 | ||
76 | // Legacy | |
77 | $this->alias = $this->barrel->alias; | |
78 | $this->table_menu = $this->barrel->table_menu; | |
79 | ||
80 | // Build page head | |
81 | $this->makeHead(); | |
82 | ||
83 | // Check the requested page exists | |
84 | $tdir = $this->pathinfo['dir']; | |
85 | if ($tdir != 'admin') | |
86 | { | |
87 | if (!$this->pathinfo['PID'] = $this->barrel->getPID($tdir)) | |
88 | { | |
89 | $this->kill404("Unknown location specified '$tdir'!"); | |
90 | } | |
91 | } | |
92 | } | |
93 | ||
94 | /** Check the user has the right permissions. | |
95 | * Read the user's permissions for the current site from database. | |
96 | * | |
97 | * @param level the required permissions level | |
98 | */ | |
99 | function checkPerms($level) { | |
100 | global $globals; | |
101 | ||
102 | if ($level != "public") | |
103 | $_SESSION['session']->doAuth($this); | |
104 | ||
105 | $_SESSION['session']->setBarrelPerms($this->alias); | |
106 | ||
107 | if (!$_SESSION['session']->hasPerms($level)) | |
108 | $this->kill(__("You are not authorized to view this page!"), 403); | |
109 | } | |
110 | ||
111 | ||
112 | /** Read the contents for the current location. | |
113 | */ | |
114 | function doContent() | |
115 | { | |
116 | global $globals; | |
117 | ||
118 | // Retrieve information specific to the current page | |
119 | ||
120 | // enable directory index | |
121 | $file = $this->pathinfo['file'] ? $this->pathinfo['file'] : $globals->htmlfile; | |
122 | ||
123 | // read from Db | |
124 | if (!$bpage = Diogenes_Barrel_Page::fromDb($this->barrel, $this->pathinfo['PID'])) | |
125 | { | |
126 | $this->kill404("Directory not found : '{$this->pathinfo['dir']}' ({$this->pathinfo['PID']}) !"); | |
127 | } | |
128 | $this->curpage =& $bpage; | |
129 | ||
130 | // check the permissions for the current location | |
131 | if (!$this->pathinfo['file'] || $bpage->props['perms'] != 'public' || isset($_REQUEST['rev'])) { | |
132 | $this->startSession(); | |
133 | ||
134 | // handle login/logout requests | |
135 | if (isset($_REQUEST['dologout'])) | |
136 | $this->doLogout(); | |
137 | if (isset($_REQUEST['doauth'])) | |
138 | $this->checkPerms('auth'); | |
139 | ||
140 | $this->checkPerms($bpage->props['perms']); | |
141 | ||
142 | // can we edit this page? | |
143 | $this->canedit = $_SESSION['session']->hasPerms($bpage->props['wperms']); | |
144 | } | |
145 | ||
146 | // now we can display the page | |
147 | // check the location is valid | |
148 | if (!$this->barrel->spool->checkPath($bpage->props['PID'],$file,false)) | |
149 | $this->kill404("Malformed location!"); | |
150 | ||
151 | // check that the page is 'live' | |
152 | switch ($bpage->props['status']) { | |
153 | case 0: | |
154 | break; | |
155 | case 1: | |
156 | $this->assign('page_content', "<p>".__("This page is currently under construction.")."<p>"); | |
157 | $this->display(''); | |
158 | exit; | |
159 | default: | |
160 | $this->assign('page_content', "<p>".__("This page is currently unavailable.")."<p>"); | |
161 | $this->display(''); | |
162 | exit; | |
163 | } | |
164 | ||
165 | // if necessary, do a checkout | |
166 | if (isset($_REQUEST['rev'])) { | |
167 | $rcs = $this->getRcs(); | |
168 | $path = $rcs->checkout($bpage->props['PID'],$file,$_REQUEST['rev'],System::mktemp("-d")); | |
169 | } else { | |
170 | $path = $this->barrel->spool->spoolPath($bpage->props['PID'],$file); | |
171 | } | |
172 | ||
173 | if (!is_file($path)) | |
174 | $this->kill404("File not found : $path!"); | |
175 | ||
176 | if (!$this->pathinfo['file']) { | |
177 | // this is a page, display it within header/footer framework | |
178 | $this->doPage($path, $bpage); | |
179 | } else { | |
180 | // otherwise, we send back the raw file | |
181 | $type = get_mime_type($path); | |
182 | if (is_mime_multipart($type)) { | |
183 | $boundary = get_mime_boundary($path); | |
184 | if ($boundary) $type = "$type; boundary=\"$boundary\""; | |
185 | } | |
186 | header("Content-Type:$type"); | |
187 | header("Content-Length:".filesize($path)); | |
188 | header("Last-modified:".gmdate("D, d M Y H:i:s T", filemtime($path))); | |
189 | readfile($path); | |
190 | } | |
191 | ||
192 | } | |
193 | ||
194 | ||
195 | /** Display a page within the header/footer framework. | |
196 | * | |
197 | * @param path the path of the file | |
198 | * @param bpage a Diogenes_Barrel_Page representing the current page | |
199 | */ | |
200 | function doPage($path, $bpage) | |
201 | { | |
202 | global $globals; | |
203 | ||
204 | $this->assign('page',stripslashes($bpage->props['title'])); | |
205 | ||
206 | // load plugins | |
207 | $this->barrel->readPlugins(); | |
208 | $active_plugins = $this->barrel->loadPlugins($bpage); | |
209 | ||
210 | // search for rendering pluging | |
211 | $render_plugin = ''; | |
212 | foreach ($active_plugins as $plugname => $plugobj) { | |
213 | if (is_object($plugobj) && ($plugobj->type == "render")) { | |
214 | $render_plugin = $plugobj; | |
215 | } | |
216 | } | |
45df1dd0 | 217 | |
6855525e JL |
218 | // source page or pass it to a rendering plugin |
219 | if (is_object($render_plugin)) { | |
220 | $content = $render_plugin->render($path); | |
221 | } else { | |
222 | $content = file_get_contents($path); | |
223 | } | |
224 | ||
225 | // apply plugin filtering | |
226 | foreach ($active_plugins as $plugname => $plugobj) { | |
227 | if (is_object($plugobj) && ($plugobj->type == "filter")) { | |
228 | $content = $plugobj->filter($content); | |
229 | } | |
230 | } | |
231 | $this->assign('page_content', $content); | |
232 | ||
233 | parent::display('', $this->getTemplate($bpage->props['template'])); | |
234 | } | |
235 | ||
236 | ||
237 | /** Return an RCS handle. */ | |
238 | function getRcs() | |
239 | { | |
240 | global $globals; | |
241 | return new $globals->rcs($this,$this->alias,$_SESSION['session']->username); | |
242 | } | |
243 | ||
244 | ||
245 | /** Returns the master template for the current context. | |
246 | * | |
247 | * @param template | |
248 | */ | |
249 | function getTemplate($template = '') | |
250 | { | |
251 | if ($template) | |
252 | { | |
253 | // we have a page-specific template, get its full path | |
254 | $tpl = $this->templatePath($template); | |
255 | } else if ($this->barrel->options->template) { | |
256 | // we have default site template, get is full path | |
257 | $tpl = $this->templatePath($this->barrel->options->template); | |
258 | } else { | |
259 | // fall back on the system-wide default template | |
260 | $tpl = parent::getTemplate(); | |
261 | } | |
262 | return $tpl; | |
263 | } | |
264 | ||
265 | ||
266 | /** Returns the available master templates. */ | |
267 | function getTemplates() | |
268 | { | |
269 | // the system-wide templates | |
270 | $templates = parent::getTemplates(); | |
271 | $bbarrel =& $this->barrel; | |
272 | ||
273 | // lookup templates in the template directory | |
274 | if ($bbarrel->hasFlag('tpl') && $bbarrel->options->template_dir) { | |
275 | $dir = $bbarrel->spool->spoolPath($bbarrel->options->template_dir); | |
276 | $files = System::find($dir.' -maxdepth 1 -name *.tpl'); | |
277 | foreach ($files as $file) | |
278 | $templates["barrel:".basename($file)] = "[barrel] ".basename($file); | |
279 | } | |
280 | return $templates; | |
281 | } | |
282 | ||
283 | ||
284 | /** Is the user an administrator for the current barrel ? */ | |
285 | function isAdmin() { | |
286 | return isset($_SESSION['session']) && $_SESSION['session']->hasPerms('admin'); | |
287 | } | |
288 | ||
289 | ||
290 | /** Build the page's "head" tag. | |
291 | */ | |
292 | function makeHead() { | |
293 | global $globals; | |
294 | $bbarrel =& $this->barrel; | |
295 | ||
296 | // site name | |
297 | $this->assign('site', stripslashes($bbarrel->options->title)); | |
298 | ||
299 | // meta | |
300 | array_push($this->head, '<meta name="description" content="'.stripslashes($bbarrel->options->description).'" />'); | |
301 | array_push($this->head, '<meta name="keywords" content="'.stripslashes($bbarrel->options->keywords).'" />'); | |
302 | ||
303 | // stylesheets | |
304 | $this->sheets = array(); | |
305 | array_push($this->sheets, $this->url("common.css")); | |
306 | if ($bbarrel->options->menu_style == 1 || $bbarrel->options->menu_style == 2) | |
307 | array_push($this->sheets, $this->url("phplayersmenu/{$bbarrel->options->menu_theme}/style.css")); | |
308 | array_push($this->sheets, $this->urlSite("", $globals->cssfile)); | |
309 | ||
310 | // add stylesheets to head | |
311 | foreach ($this->sheets as $mysheet) { | |
312 | array_push($this->head, '<link rel="stylesheet" href="'.$mysheet.'" type="text/css" />'); | |
313 | } | |
314 | // favicon | |
315 | if ($bbarrel->options->favicon) | |
316 | array_push($this->head, '<link rel="icon" href="'.$this->urlSite("", $bbarrel->options->favicon).'" type="image/png" />'); | |
51dda582 JL |
317 | |
318 | // RSS feed | |
a424d15c JL |
319 | if ($bbarrel->options->feed_enable) |
320 | array_push($this->head, '<link rel="alternate" type="application/rss+xml" title="'.stripslashes($bbarrel->options->title).'" href="'.$this->urlSite("admin", "rss").'" />'); | |
6855525e JL |
321 | } |
322 | ||
323 | ||
324 | /** Build the barrel's menu. | |
325 | */ | |
326 | function makeMenu() { | |
327 | global $globals; | |
328 | $bbarrel =& $this->barrel; | |
329 | ||
330 | // menu style & theme | |
331 | $this->assign('menustyle', $bbarrel->options->menu_style); | |
332 | $this->assign('menutheme', $bbarrel->options->menu_theme); | |
333 | ||
334 | $PID = $this->curpage->props['PID']; | |
335 | ||
336 | // build the Diogenes part of the menu | |
337 | if (!$bbarrel->options->menu_hide_diogenes) { | |
338 | array_push($this->menu,array(0,__("Home"),$this->urlSite(""), 1)); | |
339 | if ($this->isLogged()) { | |
340 | array_push($this->menu, array(1,__("Logout"), "?dologout=1") ); | |
341 | array_push($this->menu, array(1,__("Preferences"), $this->urlSite("admin", "prefs"))); | |
342 | } else { | |
343 | array_push($this->menu, array(1,__("Login"), "?doauth=1") ); | |
344 | } | |
345 | ||
346 | if ($this->isAdmin()) { | |
347 | array_push($this->menu, array(1, __("Administration"), $this->urlSite("admin"))); | |
348 | if ($PID) | |
349 | array_push($this->menu, array(1, __("Page properties"), $this->urlSite("admin", "pages?dir=$PID"))); | |
350 | } elseif ($this->canedit && $PID) { | |
351 | array_push($this->menu, array(0, __("Edit this page"), "", 1)); | |
352 | array_push($this->menu, array(1, __("Raw editor"), $this->urlSite("admin", "edit?dir=$PID&file={$globals->htmlfile}"))); | |
353 | array_push($this->menu, array(1, __("HTML editor"), $this->urlSite("admin" , "compose?dir=$PID&file={$globals->htmlfile}"))); | |
354 | } | |
355 | } | |
356 | ||
357 | // if this is an error page, we need to bail out here | |
358 | if (!isset($this->table_menu)) | |
359 | return; | |
360 | ||
6855525e | 361 | // add the user-defined part of the menu |
51dda582 JL |
362 | $bmenu = new Diogenes_Barrel_Menu($this->dbh, $this->table_menu); |
363 | $this->menu = array_merge($this->menu, $bmenu->makeMenu($PID, $this->barrel->options->menu_min_level, array($this, 'urlSiteByPid'))); | |
6855525e JL |
364 | } |
365 | ||
366 | ||
367 | /** | |
368 | * Break down a PATH_INFO into site, page id and file | |
369 | * Directories *must* be accessed with a final slash. | |
370 | * | |
371 | * @param path the path to parse | |
372 | */ | |
373 | function parsePathInfo($path) { | |
374 | if (empty($path) || !preg_match("/^\/([^\/]+)\/((.+)\/)?([^\/]*)$/",$path,$asplit)) | |
375 | return false; | |
376 | ||
377 | $split['alias'] = $asplit[1]; | |
378 | $split['dir'] = isset($asplit[3]) ? $asplit[3] : ""; | |
379 | $split['file'] = isset($asplit[4]) ? $asplit[4] : ""; | |
380 | return $split; | |
381 | } | |
382 | ||
383 | ||
384 | /** Return the current URI. | |
385 | */ | |
386 | function script_uri() | |
387 | { | |
388 | if ($this->barrel->vhost) | |
389 | return preg_replace("/^(.*)\/site(\.php)?\/{$this->alias}\/(.*)/", "/\$3",$_SERVER['REQUEST_URI']); | |
390 | else | |
391 | return $_SERVER['REQUEST_URI']; | |
392 | } | |
393 | ||
394 | ||
395 | /** Returns the path to a given template. */ | |
396 | function templatePath($template) | |
397 | { | |
398 | global $globals; | |
399 | ||
400 | $bits = split(":", $template); | |
401 | switch ($bits[0]) { | |
402 | case "global": | |
403 | $path = $globals->template_dir."/". $bits[1]; | |
404 | break; | |
405 | case "barrel": | |
406 | $path = $this->barrel->spool->spoolPath($this->barrel->options->template_dir, $bits[1]); | |
407 | break; | |
408 | default: | |
409 | $path = parent::templatePath($template); | |
410 | } | |
411 | return $path; | |
412 | } | |
51dda582 | 413 | |
6855525e JL |
414 | |
415 | /** Returns the URL to one of the barrel's pages relative to | |
416 | * the current location. | |
417 | * | |
418 | * @param dir | |
419 | * @param file | |
420 | */ | |
421 | function urlSite($dir, $file = '') { | |
422 | global $page; | |
423 | $tosite = strlen($this->pathinfo['dir']) ? str_repeat("../",1+substr_count($this->pathinfo['dir'],"/")) : ''; | |
424 | $url = $tosite . (strlen($dir) ? "$dir/" : "") . $file; | |
425 | return strlen($url) ? $url : "./"; | |
426 | } | |
427 | ||
51dda582 JL |
428 | |
429 | /** Returns the URL to one of the barrel's pages relative to | |
430 | * the current location. | |
431 | * | |
432 | * @param dir | |
433 | * @param file | |
434 | */ | |
435 | function urlSiteByPid($PID, $file = '') | |
436 | { | |
437 | return $this->urlSite($this->barrel->getLocation($PID), $file); | |
438 | } | |
439 | ||
6855525e JL |
440 | } |
441 | ||
442 | ?> |