time = time();
$this->startSession();
}
/**
* startSession - Performs all the actions necessary to
* initialize this session object. Tries to determine if the
* the user has logged in already, and sets the variables
* accordingly. Also takes advantage of this page load to
* update the active visitors tables.
*/
function startSession(){
global $database; //The database connection
session_start(); //Tell PHP to start the session
/* Determine if user is logged in */
//MT commented 5/3/11
$this->logged_in = $this->checkLogin();
/**
* Set guest value to users not logged in, and update
* active guests table accordingly.
*/
if(!$this->logged_in){
$this->username = $_SESSION['username'] = GUEST_NAME;
$this->userlevel = GUEST_LEVEL;
$database->addActiveGuest($_SERVER['REMOTE_ADDR'], $this->time); //MT
}
/* Update users last active timestamp */
else{
$database->addActiveUser($this->username, $this->time);
}
/* Remove inactive visitors from database */
$database->removeInactiveUsers(); //MT
$database->removeInactiveGuests(); //MT
/* Set referrer page */
if(isset($_SESSION['url'])){
$this->referrer = $_SESSION['url'];
}else{
$this->referrer = "/";
}
if(isset($_SESSION['url'])){
if(strpos($_SESSION['url'], '.php')){
$this->referrerNoExt = str_replace(".php", "", $_SESSION['url']);
}
else {
$this->referrerNoExt = $_SESSION['url'];
}
}else{
$this->referrerNoExt = "/";
}
/* Set current url */
$this->url = $_SESSION['url'] = $_SERVER['PHP_SELF'];
}
/**
* checkLogin - Checks if the user has already previously
* logged in, and a session with the user has already been
* established. Also checks to see if user has been remembered.
* If so, the database is queried to make sure of the user's
* authenticity. Returns true if the user has logged in.
*/
function checkLogin(){
global $database; //The database connection
/* Check if user has been remembered */
if(isset($_COOKIE['cookname']) && isset($_COOKIE['cookid'])){
$this->username = $_SESSION['username'] = $_COOKIE['cookname'];
$this->userid = $_SESSION['userid'] = $_COOKIE['cookid'];
}
/* Username and userid have been set and not guest */
if(isset($_SESSION['username']) && isset($_SESSION['userid']) &&
$_SESSION['username'] != GUEST_NAME){
/* Confirm that username and userid are valid */
if($database->confirmUserID($_SESSION['username'], $_SESSION['userid']) != 0){
unset($_SESSION['username']);
unset($_SESSION['userid']);
return false;
}
/* User is logged in, set class variables */
$this->userinfo = $database->getUserInfo($_SESSION['username']);
$this->uID = $this->userinfo['uID'];
$this->username = $this->userinfo['username'];
$this->email = $this->userinfo['email'];
$this->userid = $this->userinfo['userid'];
$this->userlevel = $this->userinfo['userlevel'];
$this->userlastloggedin = $this->userinfo['last_login'];
return true;
}
/* User not logged in */
else{
return false;
}
}
/**
* login - The user has submitted his username and password
* through the login form, this function checks the authenticity
* of that information in the database and creates the session.
* Effectively logging in the user if all goes well.
*/
function login($subuser, $subpass, $subremember){
global $database, $form; //The database and form object
$simpleText="/^([A-Za-z0-9!\-\_])+$/D";
/* Username error checking */
$field = "user"; //Use field name for username
if(!$subuser || strlen($subuser = trim($subuser)) == 0){
$form->setError($field, "* Username empty");
}
else{
/* Check if username is not alphanumeric */
if(!preg_match($simpleText, $subuser)){
$form->setError($field, "* Username invalid");
}
}
/* Password error checking */
$field = "pass"; //Use field name for password
if(!$subpass){
$form->setError($field, "* Password empty");
}
//print "Hello -> ".$form->num_errors;
//exit;
/* Return if form errors exist */
if($form->num_errors > 0){
return false;
}
/* Checks that username is in database and password is correct */
$subuser = stripslashes($subuser);
$result = $database->confirmUserPass($subuser, md5($subpass));
/* Check error codes */
if($result == 1){
$field = "user";
$form->setError($field, "* Login invalid");
}
else if($result == 2){
$field = "pass";
$form->setError("user", "* Login invalid");
}
/* Return if form errors exist */
if($form->num_errors > 0){
return false;
}
/* Username and password correct, register session variables */
$this->userinfo = $database->getUserInfo($subuser);
$this->username = $_SESSION['username'] = $this->userinfo['username'];
$this->uID = $this->userinfo['uID'];
$this->userid = $_SESSION['userid'] = $this->generateRandID();
$this->userlevel = $this->userinfo['userlevel'];
/* Insert userid into database and update active users table */
$database->updateUserField($this->username, "userid", $this->userid);
$database->addActiveUser($this->username, $this->time);
// need to update last_active with the timestamp
//$database->updateUserField($this->username, "last_login", time());
$database->updateLastLogin($this->uID);
$database->removeActiveGuest($_SERVER['REMOTE_ADDR']);
$_SESSION['show_welcome']=true;
/**
* This is the cool part: the user has requested that we remember that
* he's logged in, so we set two cookies. One to hold his username,
* and one to hold his random value userid. It expires by the time
* specified in constants.php. Now, next time he comes to our site, we will
* log him in automatically, but only if he didn't log out before he left.
*/
if($subremember){
setcookie("cookname", $this->username, time()+COOKIE_EXPIRE, COOKIE_PATH);
setcookie("cookid", $this->userid, time()+COOKIE_EXPIRE, COOKIE_PATH);
}
/* Login completed successfully */
return true;
}
/**
* logout - Gets called when the user wants to be logged out of the
* website. It deletes any cookies that were stored on the users
* computer as a result of him wanting to be remembered, and also
* unsets session variables and demotes his user level to guest.
*/
function logout(){
global $database; //The database connection
/**
* Delete cookies - the time must be in the past,
* so just negate what you added when creating the
* cookie.
*/
if(isset($_COOKIE['cookname']) && isset($_COOKIE['cookid'])){
setcookie("cookname", "", time()-COOKIE_EXPIRE, COOKIE_PATH);
setcookie("cookid", "", time()-COOKIE_EXPIRE, COOKIE_PATH);
}
/* Unset PHP session variables */
unset($_SESSION['username']);
unset($_SESSION['userid']);
/* Reflect fact that user has logged out */
$this->logged_in = false;
/**
* Remove from active users table and add to
* active guests tables.
*/
$database->removeActiveUser($this->username);
$database->addActiveGuest($_SERVER['REMOTE_ADDR'], $this->time);
/* Set user level to guest */
$this->username = GUEST_NAME;
$this->userlevel = GUEST_LEVEL;
}
/**
* register - Gets called when the user has just submitted the
* registration form. Determines if there were any errors with
* the entry fields, if so, it records the errors and returns
* 1. If no errors were found, it registers the new user and
* returns 0. Returns 2 if registration failed.
*/
function register($subuser, $subpass, $subemail){
global $database, $form, $mailer; //The database, form and mailer object
/* Username error checking */
$field = "user"; //Use field name for username
if(!$subuser || strlen($subuser = trim($subuser)) == 0){
$form->setError($field, "* Username not entered");
}
else{
/* Spruce up username, check length */
$subuser = stripslashes($subuser);
if(strlen($subuser) < 5){
$form->setError($field, "* Username below 5 characters");
}
else if(strlen($subuser) > 30){
$form->setError($field, "* Username above 30 characters");
}
/* Check if username is not alphanumeric */
else if(!eregi("^([0-9a-z])+$", $subuser)){
$form->setError($field, "* Username not alphanumeric");
}
/* Check if username is reserved */
else if(strcasecmp($subuser, GUEST_NAME) == 0){
$form->setError($field, "* Username reserved word");
}
/* Check if username is already in use */
else if($database->usernameTaken($subuser)){
$form->setError($field, "* Username already in use");
}
/* Check if username is banned */
else if($database->usernameBanned($subuser)){
$form->setError($field, "* Username banned");
}
}
/* Password error checking */
$field = "pass"; //Use field name for password
if(!$subpass){
$form->setError($field, "* Password not entered");
}
else{
/* Spruce up password and check length*/
$subpass = stripslashes($subpass);
if(strlen($subpass) < 4){
$form->setError($field, "* Password too short");
}
/* Check if password is not alphanumeric */
else if(!eregi("^([0-9a-z])+$", ($subpass = trim($subpass)))){
$form->setError($field, "* Password not alphanumeric");
}
/**
* Note: I trimmed the password only after I checked the length
* because if you fill the password field up with spaces
* it looks like a lot more characters than 4, so it looks
* kind of stupid to report "password too short".
*/
}
/* Email error checking */
$field = "email"; //Use field name for email
if(!$subemail || strlen($subemail = trim($subemail)) == 0){
$form->setError($field, "* Email not entered");
}
else{
/* Check if valid email address */
$regex = "^[_+a-z0-9-]+(\.[_+a-z0-9-]+)*"
."@[a-z0-9-]+(\.[a-z0-9-]{1,})*"
."\.([a-z]{2,}){1}$";
if(!eregi($regex,$subemail)){
$form->setError($field, "* Email invalid");
}
$subemail = stripslashes($subemail);
}
/* Errors exist, have user correct them */
if($form->num_errors > 0){
return 1; //Errors with form
}
/* No errors, add the new account to the */
else{
if($database->addNewUser($subuser, md5($subpass), $subemail)){
if(EMAIL_WELCOME){
$mailer->sendWelcome($subuser,$subemail,$subpass);
}
return 0; //New user added succesfully
}else{
return 2; //Registration attempt failed
}
}
}
/**
* editAccount - Attempts to edit the user's account information
* including the password, which it first makes sure is correct
* if entered, if so and the new password is in the right
* format, the change is made. All other fields are changed
* automatically.
*/
function editAccount($subcurpass, $subnewpass, $subemail){
global $database, $form; //The database and form object
/* New password entered */
if($subnewpass){
/* Current Password error checking */
$field = "curpass"; //Use field name for current password
if(!$subcurpass){
$form->setError($field, "* Current Password not entered");
}
else{
/* Check if password too short or is not alphanumeric */
$subcurpass = stripslashes($subcurpass);
if(strlen($subcurpass) < 4 ||
!eregi("^([0-9a-z])+$", ($subcurpass = trim($subcurpass)))){
$form->setError($field, "* Current Password incorrect");
}
/* Password entered is incorrect */
if($database->confirmUserPass($this->username,md5($subcurpass)) != 0){
$form->setError($field, "* Current Password incorrect");
}
}
/* New Password error checking */
$field = "newpass"; //Use field name for new password
/* Spruce up password and check length*/
$subpass = stripslashes($subnewpass);
if(strlen($subnewpass) < 4){
$form->setError($field, "* New Password too short");
}
/* Check if password is not alphanumeric */
else if(!eregi("^([0-9a-z])+$", ($subnewpass = trim($subnewpass)))){
$form->setError($field, "* New Password not alphanumeric");
}
}
/* Change password attempted */
else if($subcurpass){
/* New Password error reporting */
$field = "newpass"; //Use field name for new password
$form->setError($field, "* New Password not entered");
}
/* Email error checking */
$field = "email"; //Use field name for email
if($subemail && strlen($subemail = trim($subemail)) > 0){
/* Check if valid email address */
$regex = "^[_+a-z0-9-]+(\.[_+a-z0-9-]+)*"
."@[a-z0-9-]+(\.[a-z0-9-]{1,})*"
."\.([a-z]{2,}){1}$";
if(!eregi($regex,$subemail)){
$form->setError($field, "* Email invalid");
}
$subemail = stripslashes($subemail);
}
/* Errors exist, have user correct them */
if($form->num_errors > 0){
return false; //Errors with form
}
/* Update password since there were no errors */
if($subcurpass && $subnewpass){
$database->updateUserField($this->username,"password",md5($subnewpass));
}
/* Change Email */
if($subemail){
$database->updateUserField($this->username,"email",$subemail);
}
/* Success! */
return true;
}
function validateContactUs($your_name, $your_phone,$your_email,$your_message)
{
global $form, $ajaxValidate;
$field='your-name';
$ret=$ajaxValidate->checkName($your_name, false);
if($ret){
$form->setError($field, "".ERROR_IMAGE." ".$ret);
}
$field='your-phone';
$ret=$ajaxValidate->checkPhone($your_phone, false);
if($ret){
$form->setError($field, "".ERROR_IMAGE." ".$ret);
}
$field='your-email';
$ret=$ajaxValidate->checkEmail($your_email, false);
if($ret){
$form->setError($field, "".ERROR_IMAGE." ".$ret);
}
$field='your-message';
$ret=$ajaxValidate->checkMessage($your_message, false);
if($ret){
$form->setError($field, "".ERROR_IMAGE." ".$ret);
}
//print $form->num_errors;
//exit;
if($form->num_errors > 0)
return false;
return true;
}
function validateLeaveAReviewStep1($your_score, $your_name, $your_email, $your_suburb, $your_message)
{
global $form, $ajaxValidate;
$field='rating';
$ret=$ajaxValidate->checkScore($your_score, false);
if($ret){
$form->setError($field, "".ERROR_IMAGE." ".$ret);
}
$field='your-name';
$ret=$ajaxValidate->checkName($your_name, false);
if($ret){
$form->setError($field, "".ERROR_IMAGE." ".$ret);
}
$field='your-email';
$ret=$ajaxValidate->checkEmail($your_email, false);
if($ret){
$form->setError($field, "".ERROR_IMAGE." ".$ret);
}
$field='your-suburb';
$ret=$ajaxValidate->checkSuburb($your_suburb, false);
if($ret){
$form->setError($field, "".ERROR_IMAGE." ".$ret);
}
$field='your-message';
$ret=$ajaxValidate->checkMessage($your_message, false);
if($ret){
$form->setError($field, "".ERROR_IMAGE." ".$ret);
}
//print $form->num_errors;
//exit;
if($form->num_errors > 0)
return false;
return true;
}
function validateAccount($clickType, $updatedEmail, $currPassword, $currPassPass, $newPassword)
{
global $form, $session, $database;
$field='clickType';
if((!$clickType))
{
$form->setError($field, "* Please select what you would like to update ");
}
//update email
if($clickType=='email')
{
$field="updatedEmail";
if(!$updatedEmail)
{
$form->setError($field, "* Email address is empty ");
}
else
{
if(strlen(trim($updatedEmail)) < EMAIL_MIN_SIZE)
{
$form->setError($field, "* Email address must be at least ".EMAIL_MIN_SIZE." characters ");
}
else if(strlen(trim($updatedEmail)) > EMAIL_MAX_SIZE)
{
$form->setError($field, "* Email address must be less than ".EMAIL_MAX_SIZE." characters ");
}
else if(!preg_match(EMAIL_REGEX, ($updatedEmail = trim($updatedEmail)))){
$form->setError($field, "* Email invalid (i.e example@domain.com) ");
}
}
$field="currPassword";
if(!$currPassword)
{
$form->setError($field, "* Password is empty ");
}
else
{
if(strlen(trim($currPassword)) < PASSWORD_MIN_SIZE)
{
$form->setError($field, "* Password must be at least ".PASSWORD_MIN_SIZE." characters ");
}
else if(strlen(trim($currPassword)) > PASSWORD_MAX_SIZE)
{
$form->setError($field, "*Password must be less than ".PASSWORD_MAX_SIZE." characters ");
}
else
{
// check password exists in db
$res=$database->confirmUserPass($session->username, md5($currPassword));
if($res!=0)
{
$form->setError($field, "* Password invalid ");
}
}
}
} // eof clickType=email
else
{
$field="currPassPass";
if(!$currPassPass)
{
$form->setError($field, "* Current password is empty ");
}
else
{
if(strlen(trim($currPassPass)) < PASSWORD_MIN_SIZE)
{
$form->setError($field, "* Current password must be at least ".PASSWORD_MIN_SIZE." characters ");
}
else if(strlen(trim($currPassPass)) > PASSWORD_MAX_SIZE)
{
$form->setError($field, "* Current password must be less than ".PASSWORD_MAX_SIZE." characters ");
}
else{
// check password exists in db
$res=$database->confirmUserPass($session->username, md5($currPassPass));
if($res!=0)
{
$form->setError($field, "* Password invalid ");
}
}
}
$field="newPassword";
if(!$newPassword)
{
$form->setError($field, "* Password is empty ");
}
else
{
if(strlen(trim($newPassword)) < PASSWORD_MIN_SIZE)
{
$form->setError($field, "* Password must be at least ".PASSWORD_MIN_SIZE." characters ");
}
else if(strlen(trim($newPassword)) > PASSWORD_MAX_SIZE)
{
$form->setError($field, "*Password must be less than ".PASSWORD_MAX_SIZE." characters ");
}
}
} // eof clickType=email
//update password
if($form->num_errors > 0)
return false;
return true;
}// eof validateAccount
/**
* isAdmin - Returns true if currently logged in user is
* an administrator, false otherwise.
*/
function isAdmin(){
return ($this->userlevel == ADMIN_LEVEL ||
$this->username == ADMIN_NAME);
}
function sortMe($a, $b) {
return $b['count'] - $a['count'];
}
/**
* generateRandID - Generates a string made up of randomized
* letters (lower and upper case) and digits and returns
* the md5 hash of it to be used as a userid.
*/
function generateRandID(){
return md5($this->generateRandStr(16));
}
/**
* generateRandStr - Generates a string made up of randomized
* letters (lower and upper case) and digits, the length
* is a specified parameter.
*/
function generateRandStr($length){
$randstr = "";
for($i=0; $i<$length; $i++){
$randnum = mt_rand(0,61);
if($randnum < 10){
$randstr .= chr($randnum+48);
}else if($randnum < 36){
$randstr .= chr($randnum+55);
}else{
$randstr .= chr($randnum+61);
}
}
return $randstr;
}
};
/**
* Initialize session object - This must be initialized before
* the form object because the form uses session variables,
* which cannot be accessed unless the session has started.
*/
$session = new Session;
/* Initialize form object */
$form = new Form;
?>