3 * Authorization functions.
5 * LICENSE: This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://opensource.org/licenses/gpl-license.php>;.
17 * @author Rod Roark <rod@sunsetsystems.com>
18 * @author Brady Miller <brady@sparmy.com>
19 * @author Kevin Yeh <kevin.y@integralemr.com>
20 * @author ViCarePlus <visolve_emr@visolve.com>
22 * @link http://www.open-emr.org
25 //----------THINGS WE ALWAYS DO
27 require_once("{$GLOBALS['srcdir']}/log.inc");
28 require_once("{$GLOBALS['srcdir']}/sql.inc");
29 // added for the phpGACL group check -- JRM
30 require_once("{$GLOBALS['srcdir']}/acl.inc");
31 require_once("$srcdir/formdata.inc.php");
32 require_once("$srcdir/authentication/login_operations.php");
34 $incoming_site_id = '';
38 if (isset($_GET['auth']) && ($_GET['auth'] == "login") && isset($_POST['authUser']) &&
39 isset($_POST['clearPass']) && isset($_POST['authProvider']))
41 $clearPass=$_POST['clearPass'];
43 if (!empty($_POST['languageChoice'])) {
44 $_SESSION['language_choice'] = $_POST['languageChoice'];
47 $_SESSION['language_choice'] = 1;
50 if(!validate_user_password($_POST['authUser'],$clearPass,$_POST['authProvider']) || !verify_user_gacl_group($_POST['authUser']))
52 $_SESSION['loginfailure'] = 1;
55 //If password expiration option is enabled call authCheckExpired() to check whether login user password is expired or not
57 if($GLOBALS['password_expiration_days'] != 0){
58 if(authCheckExpired($_POST['authUser']))
63 $ip=$_SERVER['REMOTE_ADDR'];
64 $_SESSION['loginfailure'] = null;
65 unset($_SESSION['loginfailure']);
66 //store the very first initial timestamp for timeout errors
67 $_SESSION["last_update"] = time();
69 else if ( (isset($_GET['auth'])) && ($_GET['auth'] == "logout") )
71 newEvent("logout", $_SESSION['authUser'], $_SESSION['authProvider'], 1, "success");
77 if (authCheckSession())
79 if (isset($_SESSION['pid']) && empty($GLOBALS['DAEMON_FLAG']))
81 require_once("{$GLOBALS['srcdir']}/patient.inc");
83 $logpatient = getPatientData($_SESSION['pid'], "lname, fname, mname");
84 newEvent("view", $_SESSION['authUser'], $_SESSION['authProvider'],
85 "{$logpatient['lname']}, {$logpatient['fname']} {$logpatient['mname']} :: encounter " .
86 $_SESSION['encounter']);
90 //newEvent("view", $_SESSION['authUser'], $_SESSION['authProvider'], $_SERVER['REQUEST_URI']);
93 newEvent("login",$_POST['authUser'], $_POST['authProvider'], 0, "insufficient data sent");
98 if (!isset($_SESSION["last_update"])) {
101 //if page has not been updated in a given period of time, we call login screen
102 if ((time() - $_SESSION["last_update"]) > $timeout) {
103 newEvent("logout", $_SESSION['authUser'], $_SESSION['authProvider'], 0, "timeout");
107 // Have a mechanism to skip the timeout reset mechanism if a skip_timeout_reset parameter exists. This
108 // can be used by scripts that continually request information from the server; for example the Messages
109 // and Reminders automated intermittent requests that happen in the Messages Center script and in
110 // the left navigation menu script.
111 if (empty($GLOBALS['DAEMON_FLAG']) && empty($_REQUEST['skip_timeout_reset'])) $_SESSION["last_update"] = time();
115 //----------THINGS WE DO IF WE STILL LIKE YOU
117 function authCheckSession ()
119 if (isset($_SESSION['authId'])) {
120 $authDB = privQuery("select ".implode(",",array(TBL_USERS.".".COL_ID,
121 TBL_USERS.".".COL_UNM,
122 TBL_USERS_SECURE.".".COL_PWD,
123 TBL_USERS_SECURE.".".COL_ID))
124 . " FROM ". implode(",",array(TBL_USERS,TBL_USERS_SECURE))
125 . " WHERE ". TBL_USERS.".".COL_ID." = ? "
126 . " AND ". TBL_USERS.".".COL_UNM . "=" . TBL_USERS_SECURE.".".COL_UNM
127 . " AND ". TBL_USERS.".".COL_ACTIVE . "=1"
128 ,array($_SESSION['authId']));
129 if ($_SESSION['authUser'] == $authDB['username']
130 && $_SESSION['authPass'] == $authDB['password'] )
143 function authCloseSession ()
145 // Before destroying the session, save its site_id so that the next
146 // login will default to that same site.
147 global $incoming_site_id;
148 $incoming_site_id = $_SESSION['site_id'];
152 unset($_COOKIE[session_name()]);
155 function authLoginScreen()
157 // See comment in authCloseSession().
158 global $incoming_site_id;
159 header("Location: {$GLOBALS['login_screen']}?error=1&site=$incoming_site_id");
163 // Check if the user's password has expired beyond the grace limit.
164 // If so, deactivate the user
165 function authCheckExpired($user)
167 $result = sqlStatement("select pwd_expiration_date from users where username = ?",array($user));
168 if($row = sqlFetchArray($result))
170 $pwd_expires = $row['pwd_expiration_date'];
172 $current_date = date("Y-m-d");
173 if($pwd_expires != "0000-00-00")
175 $grace_time1 = date("Y-m-d", strtotime($pwd_expires . "+".$GLOBALS['password_grace_time'] ."days"));
177 if(($grace_time1 != "") && strtotime($current_date) > strtotime($grace_time1))
179 sqlStatement("update users set active=0 where username = ?",array($user));
180 $_SESSION['loginfailure'] = 1;
186 function getUserList ($cols = '*', $limit = 'all', $start = '0')
189 $rez = sqlStatement("select $cols from users where username != '' order by date DESC");
191 $rez = sqlStatement("select $cols from users where username != '' order by date DESC limit $limit, $start");
192 for ($iter = 0; $row = sqlFetchArray($rez); $iter++)
197 function getProviderList ($cols = '*', $limit= 'all', $start = '0')
200 $rez = sqlStatement("select $cols from groups order by date DESC");
202 $rez = sqlStatement("select $cols from groups order by date DESC limit $limit, $start");
203 for ($iter = 0; $row = sqlFetchArray($rez); $iter++)
208 function addGroup ($groupname)
210 return sqlInsert("insert into groups (name) values (?)", array($groupname));
213 function delGroup ($group_id)
215 return sqlQuery("delete from groups where id = ? limit 0,1", array($group_id));
218 /***************************************************************
220 //Function currently user by new post calendar code to determine
221 //if a given user is in a group with another user
222 //and if so to allow editing of that users events
224 //*************************************************************/
226 function validateGroupStatus ($user_to_be_checked, $group_user) {
227 if (isset($user_to_be_checked) && isset($group_user)) {
228 if ($user_to_be_checked == $group_user) {
232 elseif ($_SESSION['authorizeduser'] == 1)
235 $query = "SELECT groups.name FROM users,groups WHERE users.username = ? " .
236 "AND users.username = groups.user group by groups.name";
237 $result = sqlStatement($query, array($user_to_be_checked));
239 $usertbcGroups = array();
241 while ($row = sqlFetchArray($result)) {
242 $usertbcGroups[] = $row[0];
245 $query = "SELECT groups.name FROM users,groups WHERE users.username = ? " .
246 "AND users.username = groups.user group by groups.name";
247 $result = sqlStatement($query, array($group_user));
249 $usergGroups = array();
251 while ($row = sqlFetchArray($result)) {
252 $usergGroups[] = $row[0];
254 foreach ($usertbcGroups as $group) {
255 if(in_array($group,$usergGroups)) {
266 // Attempt to update the user's password, password history, and password expiration.
267 // Verify that the new password does not match the last three passwords used.
268 // Return true if successfull, false on failure
269 function UpdatePasswordHistory($userid,$pwd)
271 $result = sqlStatement("select password, pwd_history1, pwd_history2 from users where id = ?",array($userid));
272 if ($row = sqlFetchArray($result)) {
273 $previous_pwd1=$row['password'];
274 $previous_pwd2=$row['pwd_history1'];
275 $previous_pwd3=$row['pwd_history2'];
277 if (($pwd != $previous_pwd1) && ($pwd != $previous_pwd2) && ($pwd != $previous_pwd3)) {
278 sqlStatement("update users set pwd_history2=?, pwd_history1=?,password=? where id=?",array($previous_pwd2,$previous_pwd1,$pwd,$userid));
279 if($GLOBALS['password_expiration_days'] != 0){
280 $exp_days=$GLOBALS['password_expiration_days'];
281 $exp_date = date('Y-m-d', strtotime("+$exp_days days"));
282 sqlStatement("update users set pwd_expiration_date=? where id=?",array($exp_date,$userid));