/usr/share/gforge/plugins/authcas/include/AuthCASPlugin.class.php is in fusionforge-plugin-authcas 5.3.2+20141104-3+deb8u3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 | <?php
/** External authentication via CAS for FusionForge
* Copyright 2007, Benoit Lavenier <benoit.lavenier@ifremer.fr>
* Copyright 2011, Roland Mas
*
* This file is part of FusionForge. FusionForge 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 Licence, or (at your option)
* any later version.
*
* FusionForge 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 FusionForge; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
require_once $GLOBALS['gfcommon'].'include/User.class.php';
// from phpCAS (https://wiki.jasig.org/display/CASC/phpCAS)
require_once 'CAS.php';
/**
* Authentication manager for FusionForge CASification
*
*/
class AuthCASPlugin extends ForgeAuthPlugin {
function AuthCASPlugin () {
global $gfconfig;
$this->ForgeAuthPlugin() ;
$this->name = "authcas";
$this->text = "CAS authentication";
$this->_addHook('display_auth_form');
$this->_addHook("check_auth_session");
$this->_addHook("fetch_authenticated_user");
$this->_addHook("close_auth_session");
$this->saved_login = '';
$this->saved_user = NULL;
$this->declareConfigVars();
}
private static $init = false;
function initCAS() {
if (self::$init) {
return;
}
// Uncomment this to activate phpCAS logs in /tmp
//phpCAS::setDebug();
phpCAS::client(forge_get_config('cas_version', $this->name),
forge_get_config('cas_server', $this->name),
intval(forge_get_config('cas_port', $this->name)),
forge_get_config('cas_context', $this->name));
if (forge_get_config('validate_server_certificate', $this->name)) {
// TODO
} else {
phpCAS::setNoCasServerValidation();
}
self::$init = true;
}
/**
* Display a form to input credentials
* @param unknown_type $params
* @return boolean
*/
function displayAuthForm(&$params) {
if (!$this->isRequired() && !$this->isSufficient()) {
return true;
}
$return_to = $params['return_to'];
$this->initCAS();
$result = '';
$result .= '<p>';
$result .= _('Cookies must be enabled past this point.');
$result .= '</p>';
$result .= '<form action="' . util_make_url('/plugins/authcas/post-login.php') . '" method="get">
<input type="hidden" name="form_key" value="' . form_generate_key() . '"/>
<input type="hidden" name="return_to" value="' . htmlspecialchars(stripslashes($return_to)) . '" />
<p><input type="submit" name="login" value="' . _('Login via CAS') . '" />
</p>
</form>' ;
$params['html_snippets'][$this->name] = $result;
$params['transparent_redirect_urls'][$this->name] = util_make_url('/plugins/authcas/post-login.php?return_to='.htmlspecialchars(stripslashes($return_to)).'&login=1');
}
/**
* Is there a valid session?
* @param unknown_type $params
*/
function checkAuthSession(&$params) {
$this->initCAS();
$this->saved_user = NULL;
$user = NULL;
// FIXME: couldn't we just check parent::checkAuthSession() to take into account auth_token ? or I missed something
// if we already have a session/user active, use it
$user_id_from_cookie = $this->checkSessionCookie();
if ($user_id_from_cookie) {
$user = user_get_object($user_id_from_cookie);
$this->saved_user = $user;
$this->setSessionCookie();
} elseif (phpCAS::isAuthenticated()) {
// otherwise, use the CAS user
$user = $this->startSession(phpCAS::getUser());
}
// TODO : document this
if ($user) {
if ($this->isSufficient()) {
$this->saved_user = $user;
$params['results'][$this->name] = FORGE_AUTH_AUTHORITATIVE_ACCEPT;
} else {
$params['results'][$this->name] = FORGE_AUTH_NOT_AUTHORITATIVE;
}
} else {
if ($this->isRequired()) {
$params['results'][$this->name] = FORGE_AUTH_AUTHORITATIVE_REJECT;
} else {
$params['results'][$this->name] = FORGE_AUTH_NOT_AUTHORITATIVE;
}
}
}
/**
* What GFUser is logged in?
* @param unknown_type $params
*/
function fetchAuthUser(&$params) {
if ($this->saved_user && $this->isSufficient()) {
$params['results'] = $this->saved_user;
}
}
function closeAuthSession($params) {
$this->initCAS();
if ($this->isSufficient() || $this->isRequired()) {
$this->unsetSessionCookie();
// logs user out from CAS
// TODO : make it optional to not mess with other apps' SSO sessions with CAS
phpCAS::logoutWithRedirectService(util_make_url('/'));
} else {
return true;
}
}
/**
* Terminate an authentication session
* @param unknown_type $params
* @return boolean
*/
protected function declareConfigVars() {
parent::declareConfigVars();
forge_define_config_item ('cas_server', $this->name, 'cas.example.com');
forge_define_config_item ('cas_port', $this->name, 443);
forge_define_config_item ('cas_version', $this->name, '2.0');
forge_define_config_item ('cas_context', $this->name, '/cas');
forge_define_config_item('validate_server_certificate', $this->name, 'no');
forge_set_config_item_bool('validate_server_certificate', $this->name);
}
}
// Local Variables:
// mode: php
// c-file-style: "bsd"
// End:
|