/**
*
* @param type $username
* @param type $password
* @return boolean returns true if the password for the given user is correct, false otherwise.
*/
function confirm_user_password($username, &$password)
{
$getUserSecureSQL = " SELECT " . implode(",", array(COL_ID, COL_PWD, COL_SALT)) . " FROM " . TBL_USERS_SECURE . " WHERE BINARY " . COL_UNM . "=?";
// Use binary keyword to require case sensitive username match
$userSecure = privQuery($getUserSecureSQL, array($username));
if (is_array($userSecure)) {
$phash = oemr_password_hash($password, $userSecure[COL_SALT]);
if ($phash == $userSecure[COL_PWD]) {
return true;
}
}
return false;
}
/**
*
* @param type $username
* @param type $password password is passed by reference so that it can be "cleared out"
* as soon as we are done with it.
* @param type $provider
*/
function validate_user_password($username, &$password, $provider)
{
$ip = $_SERVER['REMOTE_ADDR'];
$valid = false;
$getUserSecureSQL = " SELECT " . implode(",", array(COL_ID, COL_PWD, COL_SALT)) . " FROM " . TBL_USERS_SECURE . " WHERE " . COL_UNM . "=?";
$userSecure = privQuery($getUserSecureSQL, array($username));
if (is_array($userSecure)) {
$phash = password_hash($password, $userSecure[COL_SALT]);
if ($phash != $userSecure[COL_PWD]) {
return false;
}
$valid = true;
} else {
if (!isset($GLOBALS['password_compatibility']) || $GLOBALS['password_compatibility']) {
$getUserSQL = "select id, password from users where username = ?";
$userInfo = privQuery($getUserSQL, array($username));
$dbPasswordLen = strlen($userInfo['password']);
if ($dbPasswordLen == 32) {
$phash = md5($password);
$valid = $phash == $userInfo['password'];
} else {
if ($dbPasswordLen == 40) {
$phash = sha1($password);
$valid = $phash == $userInfo['password'];
}
}
if ($valid) {
initializePassword($username, $userInfo['id'], $password);
purgeCompatabilityPassword($username, $userInfo['id']);
$_SESSION['relogin'] = 1;
} else {
return false;
}
}
}
$getUserSQL = "select id, authorized, see_auth" . ", cal_ui, active " . " from users where username = ?";
$userInfo = privQuery($getUserSQL, array($username));
if ($userInfo['active'] != 1) {
newEvent('login', $username, $provider, 0, "failure: {$ip}. user not active or not found in users table");
$password = '';
return false;
}
// Done with the cleartext password at this point!
$password = '';
if ($valid) {
if ($authGroup = privQuery("select * from groups where user=? and name=?", array($username, $provider))) {
$_SESSION['authUser'] = $username;
$_SESSION['authGroup'] = $authGroup['name'];
$_SESSION['authUserID'] = $userInfo['id'];
$_SESSION['authPass'] = $phash;
$_SESSION['authProvider'] = $provider;
$_SESSION['authId'] = $userInfo['id'];
$_SESSION['cal_ui'] = $userInfo['cal_ui'];
$_SESSION['userauthorized'] = $userInfo['authorized'];
// Some users may be able to authorize without being providers:
if ($userInfo['see_auth'] > '2') {
$_SESSION['userauthorized'] = '1';
}
newEvent('login', $username, $provider, 1, "success: {$ip}");
$valid = true;
} else {
newEvent('login', $username, $provider, 0, "failure: {$ip}. user not in group: {$provider}");
$valid = false;
}
}
return $valid;
}
/**
* Setup or change a user's password
*
* @param type $activeUser ID of who is trying to make the change (either the user himself, or an administrator)
* @param type $targetUser ID of what account's password is to be updated (for a new user this doesn't exist yet).
* @param type $currentPwd the active user's current password
* @param type $newPwd the new password for the target user
* @param type $errMsg passed by reference to return any
* @param type $create Are we creating a new user or
* @param type $insert_sql SQL to run to create the row in "users" (and generate a new id) when needed.
* @param type $new_username The username for a new user
* @param type $newid Return by reference of the ID of a created user
* @return boolean Was the password successfully updated/created? If false, then $errMsg will tell you why it failed.
*/
function update_password($activeUser, $targetUser, &$currentPwd, &$newPwd, &$errMsg, $create = false, $insert_sql = "", $new_username = null, &$newid = null)
{
$userSQL = "SELECT " . implode(",", array(COL_PWD, COL_SALT, COL_PWD_H1, COL_SALT_H1, COL_PWD_H2, COL_SALT_H2)) . " FROM " . TBL_USERS_SECURE . " WHERE " . COL_ID . "=?";
$userInfo = privQuery($userSQL, array($targetUser));
// Verify the active user's password
$changingOwnPassword = $activeUser == $targetUser;
// True if this is the current user changing their own password
if ($changingOwnPassword) {
if ($create) {
$errMsg = xl("Trying to create user with existing username!");
return false;
}
// If this user is changing his own password, then confirm that they have the current password correct
$hash_current = oemr_password_hash($currentPwd, $userInfo[COL_SALT]);
if ($hash_current != $userInfo[COL_PWD]) {
$errMsg = xl("Incorrect password!");
return false;
}
} else {
// If this is an administrator changing someone else's password, then check that they have the password right
$adminSQL = " SELECT " . implode(",", array(COL_PWD, COL_SALT)) . " FROM " . TBL_USERS_SECURE . " WHERE " . COL_ID . "=?";
$adminInfo = privQuery($adminSQL, array($activeUser));
$hash_admin = oemr_password_hash($currentPwd, $adminInfo[COL_SALT]);
if ($hash_admin != $adminInfo[COL_PWD]) {
$errMsg = xl("Incorrect password!");
return false;
}
if (!acl_check('admin', 'users')) {
$errMsg = xl("Not authorized to manage users!");
return false;
}
}
// End active user check
//Test password validity
if (strlen($newPwd) == 0) {
$errMsg = xl("Empty Password Not Allowed");
return false;
}
if (!test_password_strength($newPwd, $errMsg)) {
return false;
}
// End password validty checks
if ($userInfo === false) {
// No userInfo means either a new user, or an existing user who has not been migrated to blowfish yet
// In these cases don't worry about password history
if ($create) {
privStatement($insert_sql, array());
$getUserID = " SELECT " . COL_ID . " FROM " . TBL_USERS . " WHERE " . COL_UNM . "=?";
$user_id = privQuery($getUserID, array($new_username));
initializePassword($new_username, $user_id[COL_ID], $newPwd);
$newid = $user_id[COL_ID];
} else {
$getUserNameSQL = "SELECT " . COL_UNM . " FROM " . TBL_USERS . " WHERE " . COL_ID . "=?";
$unm = privQuery($getUserNameSQL, array($targetUser));
if ($unm === false) {
$errMsg = xl("Unknown user id:" . $targetUser);
return false;
}
initializePassword($unm[COL_UNM], $targetUser, $newPwd);
purgeCompatabilityPassword($unm[COL_UNM], $targetUser);
}
} else {
// We are trying to update the password of an existing user
if ($create) {
$errMsg = xl("Trying to create user with existing username!");
return false;
}
$forbid_reuse = $GLOBALS['password_history'] != 0;
if ($forbid_reuse) {
// password reuse disallowed
$hash_current = oemr_password_hash($newPwd, $userInfo[COL_SALT]);
$hash_history1 = oemr_password_hash($newPwd, $userInfo[COL_SALT_H1]);
$hash_history2 = oemr_password_hash($newPwd, $userInfo[COL_SALT_H2]);
if ($hash_current == $userInfo[COL_PWD] || $hash_history1 == $userInfo[COL_PWD_H1] || $hash_history2 == $userInfo[COL_PWD_H2]) {
$errMsg = xl("Reuse of three previous passwords not allowed!");
return false;
}
}
// Everything checks out at this point, so update the password record
$newSalt = oemr_password_salt();
$newHash = oemr_password_hash($newPwd, $newSalt);
$updateParams = array();
$updateSQL = "UPDATE " . TBL_USERS_SECURE;
$updateSQL .= " SET " . COL_PWD . "=?," . COL_SALT . "=?";
array_push($updateParams, $newHash);
array_push($updateParams, $newSalt);
if ($forbid_reuse) {
$updateSQL .= "," . COL_PWD_H1 . "=?" . "," . COL_SALT_H1 . "=?";
array_push($updateParams, $userInfo[COL_PWD]);
array_push($updateParams, $userInfo[COL_SALT]);
$updateSQL .= "," . COL_PWD_H2 . "=?" . "," . COL_SALT_H2 . "=?";
array_push($updateParams, $userInfo[COL_PWD_H1]);
array_push($updateParams, $userInfo[COL_SALT_H1]);
}
$updateSQL .= " WHERE " . COL_ID . "=?";
array_push($updateParams, $targetUser);
privStatement($updateSQL, $updateParams);
// If the user is changing their own password, we need to update the session
if ($changingOwnPassword) {
$_SESSION['authPass'] = $newHash;
}
}
if ($GLOBALS['password_expiration_days'] != 0) {
$exp_days = $GLOBALS['password_expiration_days'];
$exp_date = date('Y-m-d', strtotime("+{$exp_days} days"));
privStatement("update users set pwd_expiration_date=? where id=?", array($exp_date, $targetUser));
}
return true;
}
$password_update=isset($_SESSION['password_update']);
unset($_SESSION['password_update']);
$plain_code= $_POST['pass'];
$authorizedPortal=false; //flag
DEFINE("TBL_PAT_ACC_ON","patient_access_onsite");
DEFINE("COL_PID","pid");
DEFINE("COL_POR_PWD","portal_pwd");
DEFINE("COL_POR_USER","portal_username");
DEFINE("COL_POR_SALT","portal_salt");
DEFINE("COL_POR_PWD_STAT","portal_pwd_status");
$sql= "SELECT ".implode(",",array(COL_ID,COL_PID,COL_POR_PWD,COL_POR_SALT,COL_POR_PWD_STAT))
." FROM ".TBL_PAT_ACC_ON
." WHERE ".COL_POR_USER."=?";
$auth = privQuery($sql, array($_POST['uname']));
if($auth===false)
{
session_destroy();
header('Location: '.$landingpage.'&w');
exit;
}
if(empty($auth[COL_POR_SALT]))
{
if(SHA1($plain_code)!=$auth[COL_POR_PWD])
{
session_destroy();
header('Location: '.$landingpage.'&w');
exit;
}
$new_salt=oemr_password_salt();