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.g.miller@gmail.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 // added for the phpGACL group check -- JRM
28 require_once("{$GLOBALS['srcdir']}/acl.inc");
29 require_once("$srcdir/authentication/login_operations.php");
31 use OpenEMR\Common\Logging\EventAuditLogger;
33 $incoming_site_id = '';
35 if (isset($_GET['auth']) && ($_GET['auth'] == "login") && isset($_POST['authUser']) &&
36 isset($_POST['clearPass']) && isset($_POST['authProvider'])) {
37 $clearPass=$_POST['clearPass'];
39 if (!empty($_POST['languageChoice'])) {
40 $_SESSION['language_choice'] = $_POST['languageChoice'];
42 $_SESSION['language_choice'] = 1;
45 // set language direction according to language choice. Later in globals.php we'll override main theme name if needed.
46 $_SESSION['language_direction'] = getLanguageDir($_SESSION['language_choice']);
48 if (!validate_user_password($_POST['authUser'], $clearPass, $_POST['authProvider'])
49 || !verify_user_gacl_group($_POST['authUser'], $_POST['authProvider'])) {
50 $_SESSION['loginfailure'] = 1;
54 //If password expiration option is enabled call authCheckExpired() to check whether login user password is expired or not
56 if ($GLOBALS['password_expiration_days'] != 0) {
57 if (authCheckExpired($_POST['authUser'])) {
62 $_SESSION['loginfailure'] = null;
63 unset($_SESSION['loginfailure']);
64 //store the very first initial timestamp for timeout errors
65 $_SESSION["last_update"] = time();
66 } else if ((isset($_GET['auth'])) && ($_GET['auth'] == "logout")) {
67 //If session has timed out / been destroyed, logout record for null user/provider will be invalid.
68 if (!empty($_SESSION['authUser']) && !empty($_SESSION['authProvider'])) {
69 EventAuditLogger::instance()->newEvent("logout", $_SESSION['authUser'], $_SESSION['authProvider'], 1, "success");
72 authLoginScreen(true);
74 if (authCheckSession()) {
75 if (isset($_SESSION['pid']) && empty($GLOBALS['DAEMON_FLAG'])) {
76 require_once("{$GLOBALS['srcdir']}/patient.inc");
78 $logpatient = getPatientData($_SESSION['pid'], "lname, fname, mname");
79 newEvent("view", $_SESSION['authUser'], $_SESSION['authProvider'],
80 "{$logpatient['lname']}, {$logpatient['fname']} {$logpatient['mname']} :: encounter " .
81 $_SESSION['encounter']);
86 //newEvent("view", $_SESSION['authUser'], $_SESSION['authProvider'], $_SERVER['REQUEST_URI']);
88 EventAuditLogger::instance()->newEvent("login", $_POST['authUser'], $_POST['authProvider'], 0, "insufficient data sent");
93 if (!isset($_SESSION["last_update"])) {
96 //if page has not been updated in a given period of time, we call login screen
97 //--Note can't perform nice logout if skip_timeout_reset is set since these are called
98 //via ajax scripts where this output is not getting sent to browser.
99 //--Note DAEMON_FLAG is ok because it is run from a frame in the browser.
100 if (((time() - $_SESSION["last_update"]) > $timeout) && empty($_REQUEST['skip_timeout_reset'])) {
101 EventAuditLogger::instance()->newEvent("logout", $_SESSION['authUser'], $_SESSION['authProvider'], 0, "timeout");
103 authLoginScreen(true);
105 // Have a mechanism to skip the timeout reset mechanism if a skip_timeout_reset parameter exists. This
106 // can be used by scripts that continually request information from the server; for example the Messages
107 // and Reminders automated intermittent requests that happen in the Messages Center script and in
108 // the left navigation menu script.
109 if (empty($GLOBALS['DAEMON_FLAG']) && empty($_REQUEST['skip_timeout_reset'])) {
110 $_SESSION["last_update"] = time();
117 //----------THINGS WE DO IF WE STILL LIKE YOU
119 function authCheckSession()
121 if (isset($_SESSION['authId'])) {
122 // If active directory was used, check a different session variable (as there is no password in database).
123 if ($GLOBALS['use_active_directory']) {
124 if ($_SESSION['active_directory_auth']) {
131 $authDB = privQuery("select ".implode(",", array(TBL_USERS.".".COL_ID,
132 TBL_USERS.".".COL_UNM,
133 TBL_USERS_SECURE.".".COL_PWD,
134 TBL_USERS_SECURE.".".COL_ID))
135 . " FROM ". implode(",", array(TBL_USERS,TBL_USERS_SECURE))
136 . " WHERE ". TBL_USERS.".".COL_ID." = ? "
137 . " AND ". TBL_USERS.".".COL_UNM . "=" . TBL_USERS_SECURE.".".COL_UNM
138 . " AND ". TBL_USERS.".".COL_ACTIVE . "=1", array($_SESSION['authId']));
139 if ($_SESSION['authUser'] == $authDB['username']
140 && $_SESSION['authPass'] == $authDB['password'] ) {
150 function authCloseSession()
152 // Before destroying the session, save its site_id so that the next
153 // login will default to that same site.
154 global $incoming_site_id;
155 $incoming_site_id = $_SESSION['site_id'];
159 unset($_COOKIE[session_name()]);
162 function authLoginScreen($timed_out = false)
164 // See comment in authCloseSession().
165 global $incoming_site_id;
168 // Find the top level window for this instance of OpenEMR, set a flag indicating
169 // session timeout has occurred, and reload the login page into it. This is so
170 // that beforeunload event handlers will not obstruct the process in this case.
172 while (w.opener) { // in case we are in a dialog window
177 <?php if ($timed_out) { ?>
178 w.top.timed_out = true;
180 w.top.location.href = '<?php echo "{$GLOBALS['login_screen']}?error=1&site=$incoming_site_id"; ?>';
186 // Check if the user's password has expired beyond the grace limit.
187 // If so, deactivate the user
188 function authCheckExpired($user)
190 $result = sqlStatement("select pwd_expiration_date from users where username = ?", array($user));
191 if ($row = sqlFetchArray($result)) {
192 $pwd_expires = $row['pwd_expiration_date'];
195 $current_date = date("Y-m-d");
196 if ($pwd_expires != "0000-00-00") {
197 $grace_time1 = date("Y-m-d", strtotime($pwd_expires . "+".$GLOBALS['password_grace_time'] ."days"));
200 if (($grace_time1 != "") && strtotime($current_date) > strtotime($grace_time1)) {
201 sqlStatement("update users set active=0 where username = ?", array($user));
202 $_SESSION['loginfailure'] = 1;
212 function addGroup($groupname)
214 return sqlInsert("insert into `groups` (name) values (?)", array($groupname));
217 function delGroup($group_id)
219 return sqlQuery("delete from `groups` where id = ? limit 0,1", array($group_id));
222 /***************************************************************
224 //Function currently user by new post calendar code to determine
225 //if a given user is in a group with another user
226 //and if so to allow editing of that users events
228 //*************************************************************/
230 function validateGroupStatus($user_to_be_checked, $group_user)
232 if (isset($user_to_be_checked) && isset($group_user)) {
233 if ($user_to_be_checked == $group_user) {
235 } elseif ($_SESSION['authorizeduser'] == 1) {
239 $query = "SELECT `groups`.`name` FROM `users`,`groups` WHERE users.username = ? " .
240 "AND users.username = `groups`.`user` group by `groups`.`name`";
241 $result = sqlStatement($query, array($user_to_be_checked));
243 $usertbcGroups = array();
245 while ($row = sqlFetchArray($result)) {
246 $usertbcGroups[] = $row[0];
249 $query = "SELECT `groups`.`name` FROM `users`,`groups` WHERE users.username = ? " .
250 "AND users.username = `groups`.`user` group by `groups`.`name`";
251 $result = sqlStatement($query, array($group_user));
253 $usergGroups = array();
255 while ($row = sqlFetchArray($result)) {
256 $usergGroups[] = $row[0];
259 foreach ($usertbcGroups as $group) {
260 if (in_array($group, $usergGroups)) {
270 // Attempt to update the user's password, password history, and password expiration.
271 // Verify that the new password does not match the last three passwords used.
272 // Return true if successfull, false on failure
273 function UpdatePasswordHistory($userid, $pwd)
275 $result = sqlStatement("select password, pwd_history1, pwd_history2 from users where id = ?", array($userid));
276 if ($row = sqlFetchArray($result)) {
277 $previous_pwd1=$row['password'];
278 $previous_pwd2=$row['pwd_history1'];
279 $previous_pwd3=$row['pwd_history2'];
282 if (($pwd != $previous_pwd1) && ($pwd != $previous_pwd2) && ($pwd != $previous_pwd3)) {
283 sqlStatement("update users set pwd_history2=?, pwd_history1=?,password=? where id=?", array($previous_pwd2,$previous_pwd1,$pwd,$userid));
284 if ($GLOBALS['password_expiration_days'] != 0) {
285 $exp_days=$GLOBALS['password_expiration_days'];
286 $exp_date = date('Y-m-d', strtotime("+$exp_days days"));
287 sqlStatement("update users set pwd_expiration_date=? where id=?", array($exp_date,$userid));