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<?php
/**
* Manage privileges in a database
*
* $Id: privileges.php,v 1.45 2007/09/13 13:41:01 ioguix Exp $
*/
// Include application functions
include_once('./libraries/lib.inc.php');
$action = (isset($_REQUEST['action'])) ? $_REQUEST['action'] : '';
if (!isset($msg)) $msg = '';
/**
* Grant permissions on an object to a user
* @param $confirm To show entry screen
* @param $mode 'grant' or 'revoke'
* @param $msg (optional) A message to show
*/
function doAlter($confirm, $mode, $msg = '') {
global $data, $misc;
global $lang;
if (!isset($_REQUEST['username'])) $_REQUEST['username'] = array();
if (!isset($_REQUEST['groupname'])) $_REQUEST['groupname'] = array();
if (!isset($_REQUEST['privilege'])) $_REQUEST['privilege'] = array();
if ($confirm) {
// Get users from the database
$users = $data->getUsers();
// Get groups from the database
$groups = $data->getGroups();
$misc->printTrail($_REQUEST['subject']);
switch ($mode) {
case 'grant':
$misc->printTitle($lang['strgrant'],'pg.privilege.grant');
break;
case 'revoke':
$misc->printTitle($lang['strrevoke'],'pg.privilege.revoke');
break;
}
$misc->printMsg($msg);
echo "<form action=\"privileges.php\" method=\"post\">\n";
echo "<table>\n";
echo "<tr><th class=\"data left\">{$lang['strusers']}</th>\n";
echo "<td class=\"data1\"><select name=\"username[]\" multiple=\"multiple\" size=\"", min(6, $users->recordCount()), "\">\n";
while (!$users->EOF) {
$uname = htmlspecialchars($users->fields['usename']);
echo "<option value=\"{$uname}\"",
in_array($users->fields['usename'], $_REQUEST['username']) ? ' selected="selected"' : '', ">{$uname}</option>\n";
$users->moveNext();
}
echo "</select></td></tr>\n";
echo "<tr><th class=\"data left\">{$lang['strgroups']}</th>\n";
echo "<td class=\"data1\">\n";
echo "<input type=\"checkbox\" id=\"public\" name=\"public\"", (isset($_REQUEST['public']) ? ' checked="checked"' : ''), " /><label for=\"public\">PUBLIC</label>\n";
// Only show groups if there are groups!
if ($groups->recordCount() > 0) {
echo "<br /><select name=\"groupname[]\" multiple=\"multiple\" size=\"", min(6, $groups->recordCount()), "\">\n";
while (!$groups->EOF) {
$gname = htmlspecialchars($groups->fields['groname']);
echo "<option value=\"{$gname}\"",
in_array($groups->fields['groname'], $_REQUEST['groupname']) ? ' selected="selected"' : '', ">{$gname}</option>\n";
$groups->moveNext();
}
echo "</select>\n";
}
echo "</td></tr>\n";
echo "<tr><th class=\"data left required\">{$lang['strprivileges']}</th>\n";
echo "<td class=\"data1\">\n";
foreach ($data->privlist[$_REQUEST['subject']] as $v) {
$v = htmlspecialchars($v);
echo "<input type=\"checkbox\" id=\"privilege[$v]\" name=\"privilege[$v]\"",
isset($_REQUEST['privilege'][$v]) ? ' checked="checked"' : '', " /><label for=\"privilege[$v]\">{$v}</label><br />\n";
}
echo "</td></tr>\n";
// Grant option
if ($data->hasGrantOption()) {
echo "<tr><th class=\"data left\">{$lang['stroptions']}</th>\n";
echo "<td class=\"data1\">\n";
if ($mode == 'grant') {
echo "<input type=\"checkbox\" id=\"grantoption\" name=\"grantoption\"",
isset($_REQUEST['grantoption']) ? ' checked="checked"' : '', " /><label for=\"grantoption\">GRANT OPTION</label>\n";
}
elseif ($mode == 'revoke') {
echo "<input type=\"checkbox\" id=\"grantoption\" name=\"grantoption\"",
isset($_REQUEST['grantoption']) ? ' checked="checked"' : '', " /><label for=\"grantoption\">GRANT OPTION FOR</label><br />\n";
echo "<input type=\"checkbox\" id=\"cascade\" name=\"cascade\"",
isset($_REQUEST['cascade']) ? ' checked="checked"' : '', " /><label for=\"cascade\">CASCADE</label><br />\n";
}
echo "</td></tr>\n";
}
echo "</table>\n";
echo "<p><input type=\"hidden\" name=\"action\" value=\"save\" />\n";
echo "<input type=\"hidden\" name=\"mode\" value=\"", htmlspecialchars($mode), "\" />\n";
echo "<input type=\"hidden\" name=\"subject\" value=\"", htmlspecialchars($_REQUEST['subject']), "\" />\n";
if (isset($_REQUEST[$_REQUEST['subject'].'_oid']))
echo "<input type=\"hidden\" name=\"", htmlspecialchars($_REQUEST['subject'].'_oid'),
"\" value=\"", htmlspecialchars($_REQUEST[$_REQUEST['subject'].'_oid']), "\" />\n";
echo "<input type=\"hidden\" name=\"", htmlspecialchars($_REQUEST['subject']),
"\" value=\"", htmlspecialchars($_REQUEST[$_REQUEST['subject']]), "\" />\n";
echo $misc->form;
if ($mode == 'grant')
echo "<input type=\"submit\" name=\"grant\" value=\"{$lang['strgrant']}\" />\n";
elseif ($mode == 'revoke')
echo "<input type=\"submit\" name=\"revoke\" value=\"{$lang['strrevoke']}\" />\n";
echo "<input type=\"submit\" name=\"cancel\" value=\"{$lang['strcancel']}\" /></p>";
echo "</form>\n";
}
else {
// Determine whether object should be ref'd by name or oid.
if (isset($_REQUEST[$_REQUEST['subject'].'_oid']))
$object = $_REQUEST[$_REQUEST['subject'].'_oid'];
else
$object = $_REQUEST[$_REQUEST['subject']];
$status = $data->setPrivileges(($mode == 'grant') ? 'GRANT' : 'REVOKE', $_REQUEST['subject'], $object,
isset($_REQUEST['public']), $_REQUEST['username'], $_REQUEST['groupname'], array_keys($_REQUEST['privilege']),
isset($_REQUEST['grantoption']), isset($_REQUEST['cascade']));
if ($status == 0)
doDefault($lang['strgranted']);
elseif ($status == -3 || $status == -4)
doAlter(true, $_REQUEST['mode'], $lang['strgrantbad']);
else
doAlter(true, $_REQUEST['mode'], $lang['strgrantfailed']);
}
}
/**
* Show permissions on a database, namespace, relation, language or function
*/
function doDefault($msg = '') {
global $data, $misc, $database;
global $lang;
$misc->printTrail($_REQUEST['subject']);
# @@@FIXME: This switch is just a temporary solution,
# need a better way, maybe every type of object should
# have a tab bar???
switch ($_REQUEST['subject']) {
case 'server':
case 'database':
case 'schema':
case 'table':
case 'view':
$misc->printTabs($_REQUEST['subject'], 'privileges');
break;
default:
$misc->printTitle($lang['strprivileges'], 'pg.privilege');
}
$misc->printMsg($msg);
// Determine whether object should be ref'd by name or oid.
if (isset($_REQUEST[$_REQUEST['subject'].'_oid']))
$object = $_REQUEST[$_REQUEST['subject'].'_oid'];
else
$object = $_REQUEST[$_REQUEST['subject']];
// Get the privileges on the object, given its type
$privileges = $data->getPrivileges($object, $_REQUEST['subject']);
if (sizeof($privileges) > 0) {
echo "<table>\n";
echo "<tr><th class=\"data\">{$lang['strtype']}</th><th class=\"data\">{$lang['struser']}/{$lang['strgroup']}</th>";
foreach ($data->privlist[$_REQUEST['subject']] as $v2) {
// Skip over ALL PRIVILEGES
if ($v2 == 'ALL PRIVILEGES') continue;
echo "<th class=\"data\">{$v2}</th>\n";
}
if ($data->hasGrantOption()) {
echo "<th class=\"data\">{$lang['strgrantor']}</th>";
}
echo "</tr>\n";
// Loop over privileges, outputting them
$i = 0;
foreach ($privileges as $v) {
$id = (($i % 2) == 0 ? '1' : '2');
echo "<tr>\n";
echo "<td class=\"data{$id}\">", $misc->printVal($v[0]), "</td>\n";
echo "<td class=\"data{$id}\">", $misc->printVal($v[1]), "</td>\n";
foreach ($data->privlist[$_REQUEST['subject']] as $v2) {
// Skip over ALL PRIVILEGES
if ($v2 == 'ALL PRIVILEGES') continue;
echo "<td class=\"data{$id}\">";
if (in_array($v2, $v[2]))
echo $lang['stryes'];
else
echo $lang['strno'];
// If we have grant option for this, end mark
if ($data->hasGrantOption() && in_array($v2, $v[4])) echo $lang['strasterisk'];
echo "</td>\n";
}
if ($data->hasGrantOption()) {
echo "<td class=\"data{$id}\">", $misc->printVal($v[3]), "</td>\n";
}
echo "</tr>\n";
$i++;
}
echo "</table>";
}
else {
echo "<p>{$lang['strnoprivileges']}</p>\n";
}
// Links for granting to a user or group
switch ($_REQUEST['subject']) {
case 'table':
case 'view':
case 'sequence':
case 'function':
case 'tablespace':
$allurl = "{$_REQUEST['subject']}s.php";
$alltxt = $lang["strshowall{$_REQUEST['subject']}s"];
break;
case 'schema':
$allurl = "database.php";
$alltxt = $lang["strshowallschemas"];
break;
case 'database':
$allurl = 'all_db.php';
$alltxt = $lang['strshowalldatabases'];
break;
}
$subject = htmlspecialchars(urlencode($_REQUEST['subject']));
$object = htmlspecialchars(urlencode($_REQUEST[$_REQUEST['subject']]));
if ($_REQUEST['subject'] == 'function') {
$objectoid = $_REQUEST[$_REQUEST['subject'].'_oid'];
$alterurl = "privileges.php?action=alter&{$misc->href}&{$subject}={$object}&{$subject}_oid=$objectoid&subject={$subject}&mode=";
} else {
$alterurl = "privileges.php?action=alter&{$misc->href}&{$subject}={$object}&subject={$subject}&mode=";
}
echo "<ul class=\"navlink\">\n\t<li><a href=\"{$alterurl}grant\">{$lang['strgrant']}</a></li>\n";
echo "\t<li><a href=\"{$alterurl}revoke\">{$lang['strrevoke']}</a></li>\n";
if (isset($allurl))
echo "\t<li><a href=\"{$allurl}?{$misc->href}\">{$alltxt}</a></li>\n";
echo "</ul>\n";
}
$misc->printHeader($lang['strprivileges']);
$misc->printBody();
switch ($action) {
case 'save':
if (isset($_REQUEST['cancel'])) doDefault();
else doAlter(false, $_REQUEST['mode']);
break;
case 'alter':
doAlter(true, $_REQUEST['mode']);
break;
default:
doDefault();
break;
}
$misc->printFooter();
?>
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