{literal}\$EditText{/literal}";
// impossible to see the diff without the source because of the smarty tags
$DiffShow['source'] = 'y';
$DiffSourceFmt = '';
$DiffStartFmt = "{literal}
\$DiffTime \$[by] \$DiffAuthor
";
$DiffEndFmt = "
{/literal}";
// compute permissions based on the permission string (key)
// if could is true, compute permission that could be enabled with a mdp
// if smarty is true, return a string to insert in a smarty if tag
// otherwise return true or false
function authPerms($pagename, $key, $could=false, $smarty=false)
{
$words = explode(' ', $key);
$auth = $smarty?"":false;
$and = false;
foreach ($words as $word) {
if (strpos($word, '@') === 0) $word = substr($word,1);
$iauth = false;
if ($word == 'and:') {
$and = true;
continue;
}
$parts = explode(':', $word);
$cond = $parts[0];
$param = $parts[1];
if ($cond == 'identified' && $could) {
$cond = 'logged';
}
if ($smarty) {
$iauth = '$'.$cond.($param?(' eq "'.$param.'"'):'');
} else {
if (strpos($cond, "smarty.") === 0) {
$vars = explode('.', $cond);
$iauth = false;
switch ($vars[1])
{
case 'session':$iauth = S::v($vars[2]) == $param; break;
case 'request':$iauth = Env::get($vars[2]) == $param; break;
}
}
else $iauth = CondText($pagename, 'if '.$cond.' '.$param, true);
}
if ($and) {
if ($smarty)
$auth = ($auth?"($auth) and ":"").$iauth;
else
$auth &= $iauth;
} else {
if ($smarty)
$auth = ($auth?"($auth) or ":"").$iauth;
else
$auth |= $iauth;
}
$and = false;
}
return $auth;
}
// try to find the best permission for a given page and a given level of auth
// in order: page > group > site
function TryAllAuths($pagename, $level, $page_read, $group_read)
{
global $DefaultPasswords;
if (isset($page_read['passwd'.$level]) && $page_read['passwd'.$level] != '*') {
return array('page', $page_read['passwd'.$level]);
}
if (isset($group_read['passwd'.$level]) && $group_read['passwd'.$level] != '*') {
return array('group', $group_read['passwd'.$level]);
}
if (isset($DefaultPasswords[$level])) {
return array('site', $DefaultPasswords[$level]);
}
return array('none', '');
}
function auth_pmwiki_to_smarty($text, $pass)
{
$ifc = authPerms("", $pass, false, true);
if (!$ifc)
return "";
return "{if $ifc}\n".$text."\n{else}(:div class='erreur':Droits insuffisants.:){/if}";
}
// for read pages: will come only once so we have to be careful
// and translate any auth from the wiki to smarty auth
function AuthPlatal($pagename, $level, $authprompt)
{
global $Conditions, $page;
$authUser = false;
$authPage = false;
$page_read = ReadPage($pagename);
$groupattr = FmtPageName('$Group/GroupAttributes', $pagename);
$group_read = ReadPage($groupattr);
$levels = array('read', 'attr', 'edit', 'upload');
foreach ($levels as $l) {
list($from, $pass) = TryAllAuths($pagename, $l, $page_read, $group_read);
$passwds[$l] = $pass;
$pwsources[$l] = $from;
}
$canedit = authPerms($pagename, $passwds['edit'], true, true);
$canattr = authPerms($pagename, $passwds['attr'], true, true);
$panel = "{if ($canedit) or ($canattr)}\n";
$panel .= ">>frame<<\n";
$panel .= "[[{\$FullName} |Voir la page]]\\\\\n";
$panel .= "{if ($canedit)}\n";
$panel .= "[[{\$FullName}?action=edit |Editer]]\\\\\n";
$panel .= "[[{\$FullName}?action=diff |Historique]]\\\\\n";
$panel .= "[[{\$FullName}?action=upload |Upload]]\\\\\n";
$panel .= "{/if}{if ($canattr)}\n";
$panel .= "[[{\$FullName}?action=attr |Droits]]\\\\\n";
$panel .= "[[{\$Group}/GroupAttributes?action=attr|Droits du groupe]]\\\\\n";
$panel .= "{/if}\n";
$panel .= ">><<\n";
$panel .= "{/if}\n";
if ((S::identified() && S::has_perms()) || authPerms($pagename, $passwds[$level]))
{
$page_read['=passwd'] = $passwds;
$page_read['=pwsource'] = $pwsources;
// if try to read, add the permission limitation as a smarty if tag
if ($level == 'read') {
$page_read['text'] = auth_pmwiki_to_smarty($page_read['text'], $passwds['read']);
$page_read['text'] = $panel.$page_read['text'];
}
return $page_read;
}
// if we arrive here, the user doesn't have enough permission to access page
// maybe it is because he is not identified
if ($authprompt && !S::identified()) {
require_once dirname(__FILE__).'/../classes/Platal.php';
require_once dirname(__FILE__).'/../classes/PLModule.php';
$platal = new Platal();
$platal->force_login($page);
}
if (S::has_perms()) {
$page->trig('Erreur : page Wiki inutilisable sur plat/al');
}
$page->run();
}
?>