davadmin/admin/common.inc.php

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<?php
/**
* Common code for DAVAdmin.
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*
* @author Jan Dittberner <jan@dittberner.info>
* @version $Id$
* @license GPL
* @package DAVAdmin
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*
* Copyright (c) 2007, 2008 Jan Dittberner
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*
* This file is part of DAVAdmin.
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*
* DAVAdmin 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 3 of the License, or
* (at your option) any later version.
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*
* DAVAdmin is distributed in the hope that it will be useful, but
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* 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 DAVAdmin; if not, see <http://www.gnu.org/licenses/>.
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*/
/** Include the code shared between normal pages and AJAX. */
require_once("shared.inc.php");
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/** DAV administrator group name. */
define(ADMIN_GROUP, 'davadmin');
/** Include the Smarty template engine. */
require_once("smarty/libs/Smarty.class.php");
/** Global Smarty template engine instance. */
$smarty = new Smarty();
// negotiate the correct template_dir
if (is_dir(($dir = realpath(implode(DIRECTORY_SEPARATOR,
array($smarty->template_dir,
$_SESSION["language"])))))) {
$smarty->template_dir = $dir;
} else if (is_dir(($dir = realpath(implode(DIRECTORY_SEPARATOR,
array($smarty->template_dir,
substr($_SESSION["language"],
0, 2))))))) {
$smarty->template_dir = $dir;
} else {
_server_error(sprintf(_("Could not find one of the language directories!\n%s,\n%s"),
implode(DIRECTORY_SEPARATOR,
array($smarty->template_dir,
$_SESSION["language"])),
implode(DIRECTORY_SEPARATOR,
array($smarty->template_dir,
substr($_SESSION["language"], 0, 2)))));
}
$compile_dir = implode(DIRECTORY_SEPARATOR, array($davconfig['compile_dir'],
$_SESSION["language"]));
if (!is_dir($compile_dir)) {
mkdir($compile_dir);
}
$smarty->compile_dir = $compile_dir;
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/**
* Handle invalid requests to the application. Execution stops here.
*/
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function invalidCall() {
header("Content-Type: text/plain; charset=UTF-8");
print(_("Invalid call!"));
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die();
}
/**
* Handle errors with an XML message. Execution stops here.
*
* @param string $errormsg error message
*/
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function errorAsXml($errormsg) {
header("Content-Type: text/xml; charset=UTF-8");
$GLOBALS['smarty']->assign("errormsg", $errormsg);
$GLOBALS['smarty']->display("error.xml");
die();
}
/**
* Handle errors with an HTML error page. Execution stops here.
*
* @param string $errormsg error msg
*/
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function errorAsHtml($errormsg) {
header("Content-Type: text/html; charset=UTF-8");
$GLOBALS['smarty']->assign("errormsg", $errormsg);
$GLOBALS['smarty']->display("error.html");
die();
}
/**
* Get the full path of relative directory name.
*
* @param string $dirname directory name relative to configured
* $davconfig['dav.dir']
* @return string fully qualified directory name
*/
function getFullPath($dirname) {
return $GLOBALS['davconfig']['dav.dir'] . DIRECTORY_SEPARATOR . $dirname;
}
// check configuration
$errmsgs = array();
if (!isset($davconfig['digest.file'])) {
array_push($errmsgs,
sprintf(_("%s is not defined."), "digest.file"));
} elseif (!is_readable($davconfig['digest.file']) ||
!is_writable($davconfig['digest.file'])) {
array_push($errmsgs,
_("The specified digest file is not readable and writable."));
}
if (!isset($davconfig['group.file'])) {
array_push($errmsgs,
sprintf(_("%s is not defined."), "group.file"));
} elseif (!is_readable($davconfig['group.file']) ||
!is_writable($davconfig['group.file'])) {
array_push($errmsgs,
_("The specified group file is not readable and writable."));
}
if (!isset($davconfig['namemap.file'])) {
array_push($errmsgs,
sprintf(_("%s is not defined."), "namemap.file"));
} elseif (!is_readable($davconfig['namemap.file']) ||
!is_writable($davconfig['namemap.file'])) {
array_push($errmsgs,
_("The specified name mapping file is not readable and writable."));
}
if (!isset($davconfig['dav.dir'])) {
array_push($errmsgs,
sprintf(_("%s is not defined."), "dav.dir"));
} elseif (!is_dir($davconfig['dav.dir']) ||
!is_readable($davconfig['dav.dir']) ||
!is_writable($davconfig['dav.dir'])) {
array_push($errmsgs,
_("The specified DAV directory is no directory or not accessable."));
}
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if (empty($davconfig['dav.realm'])) {
array_push($errmsgs,
sprintf(_("%s is not defined."), "dav.realm"));
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}
if (empty($davconfig['dav.uri'])) {
array_push($errmsgs,
sprintf(_("%s is not defined."), "dav.uri"));
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}
if (!empty($errmsgs)) {
errorAsHtml(implode("<br />", $errmsgs));
}
/**
* Compares two associative arrays of userdata by their username value.
*
* @param array &$user1 user data one
* @param array &$user2 user data two
* @return value of strcmp of the username values
*/
function cmp_by_usernames(&$user1, &$user2) {
return strcmp($user1['username'], $user2['username']);
}
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$namemapdata = file_get_contents($davconfig['namemap.file']);
$namemap = json_decode($namemapdata, true);
if (is_array($namemap)) {
uasort($namemap, "cmp_by_usernames");
}
?>