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db_functions.php
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db_functions.php
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<?php
class DB_Functions {
/*
db_functions.php
Provides functions to interact with the MySQL database
Authors: Tyler Butler, Noah Lowenthal
*/
private $db;
// constructor
function __construct() {
require_once 'config.php';
// connecting to mysql
try {
//NOTE: If you created your gcm_users and gcm_accounts tables under a different database name,
//change 'monitordroid' in the below statement to whatever database name you created them under!
$this->db = new PDO('mysql:host=localhost;dbname=monitordroid', DB_USER, DB_PASSWORD);
}
catch (PDOException $e) {
$output = 'Unable to connect to database server.';
error_log($output);
$e->getMessage();
exit();
}
}
// destructor
function __destruct() {
}
//insert device into database
public function storeUser($name, $email, $gcm_regid) { try {
//Only insert device if the account exists
if ($this->accountEmailExists($email)) {
try {
$sql = "INSERT INTO gcm_users(name, email, gcm_regid, created_at) VALUES('$name', '$email', '$gcm_regid', NOW())";
$result = $this->db->query($sql);
if ($result) {
// get user details
$id = $this->db->lastInsertId(); //last inserted id
$sql = "SELECT * FROM gcm_users WHERE id = $id";
$result = $this->db->query($sql);
$no_of_rows = $result->fetchColumn();
// returns confirmation message if completed
if ($no_of_rows > 0) {
return "existsandcompleted";
}
else {
return "didnotcomplete";
}
}
else {
return "didnotcomplete";
}
}
catch (PDOException $e) {
$error = 'Error storing user: ' . $e->getMessage();
}
}
else {
//return false if input email is not an existing account
return "didnotcomplete";
}
}
catch (Exception $e) {
$error = 'Error accessing database: ' . $e->getMessage();
}
}
//Get user by email or password
public function getUserByEmail($email) {
try {
$sql = "SELECT * FROM gcm_users WHERE email = '$email'";
$result = $this->db->query($sql);
return $result;
}
catch (PDOException $e) {
$error = 'Error fetching user by email: ' . $e->getMessage();
}
}
//Returns all users
public function getAllUsers() {
try {
$sql = "select * FROM gcm_users";
$result = $this->db->query($sql);
return $result;
}
catch (PDOException $e) {
$error = 'Error getting all users: ' . $e->getMessage();
}
}
public function getAllAccounts() {
try {
$sql = "SELECT email FROM gcm_accounts";
$resource = $this->db->query($sql);
//$resultArray = $resource->fetch(PDO::FETCH_ASSOC);
$resultArray = $resource->fetchAll(); }
catch (PDOException $e) {
$output = 'Error fetching sms outbox: ' . $e->getMessage();
}
return $resultArray;
}
//Check if user exists
public function isUserExisted($email) {
try {
$sql = "SELECT email from gcm_users WHERE email = '$email'";
$result = $this->db->query($sql);
$no_of_rows = $result->fetchColumn();
if ($no_of_rows > 0) {
// user exists
return true;
}
else {
// user doesn't exist
return false;
}
}
catch (PDOException $e) {
$error = 'Error fetching user by email: ' . $e->getMessage();
}
}
//Insert Contacts into DB
public function insertContacts($regId, $contacttext) {
try {
$sql = "UPDATE gcm_users SET contacts = :ctext, contactsupdatetime = UNIX_TIMESTAMP()
WHERE gcm_regid = '$regId'";
$s = $this->db->prepare($sql);
$s->bindParam(':ctext', $contacttext);
$s->execute();
}
catch (PDOException $e) {
$output = 'Error performing update: ' . $e->getMessage();
}
}
//Insert SMS data into DB (When "Load More Messages" is pressed, concatenating these messages onto previous ones)
public function insertSMS($regId, $smsdata) {
try {
$sql = "UPDATE gcm_users SET smsdata = concat(ifnull(smsdata, ''), :smstext), smsupdatetime = UNIX_TIMESTAMP()
WHERE gcm_regid = '$regId'";
$s = $this->db->prepare($sql);
$s->bindParam(':smstext', $smsdata);
$s->execute();
} catch (PDOException $e) {
$output = 'Error performing update: ' . $e->getMessage();
}
}
//Insert SMS data into DB (When "Update" is pressed initially, clearing other SMS data and inserting these as the first messages to maintain proper order)
public function insertFirstSMS($regId, $firstsmsdata) {
try {
$sql = "UPDATE gcm_users SET smsdata = :smstext, smsupdatetime = UNIX_TIMESTAMP()
WHERE gcm_regid = '$regId'";
$s = $this->db->prepare($sql);
$s->bindParam(':smstext', $firstsmsdata);
$s->execute();
}
catch (PDOException $e) {
$output = 'Error performing update: ' . $e->getMessage();
}
}
//Insert Call Logs into DB
public function insertCallLogs($regId, $logData) {
try {
$sql = "UPDATE gcm_users SET calllogs = :logtext, calllogsupdatetime = UNIX_TIMESTAMP()
WHERE gcm_regid = '$regId'";
$s = $this->db->prepare($sql);
$s->bindParam(':logtext', $logData);
$s->execute();
}
catch (PDOException $e) {
$output = 'Error performing update: ' . $e->getMessage();
}
}
//Inserts the first iteration browser history into DB.
//Will clear the previously stored data and replace with the newest 50 links
public function insertFirstBrowserHistory($regId, $browserHistory) {
try {
$sql = "UPDATE gcm_users SET browserhistory = :browserhistory, browserhistoryupdatetime = UNIX_TIMESTAMP()
WHERE gcm_regid = '$regId'";
$s = $this->db->prepare($sql);
$s->bindParam(':browserhistory', $browserHistory);
$s->execute();
}
catch (PDOException $e) {
$output = 'Error performing update: ' . $e->getMessage();
}
}
//Inserts the following iterations of browser history,
//concatenating 50 messages at a time into the database
public function insertBrowserHistory($regId, $browserHistory) {
try {
$sql = "UPDATE gcm_users SET browserhistory = concat(ifnull(browserhistory, ''), :browsertext), browserhistoryupdatetime = UNIX_TIMESTAMP()
WHERE gcm_regid = '$regId'";
$s = $this->db->prepare($sql);
$s->bindParam(':browsertext', $browserHistory);
$s->execute();
}
catch (PDOException $e) {
$output = 'Error performing update: ' . $e->getMessage();
}
}
//Insert installed applications into DB
public function insertInstalledApps($regId, $installedApps) {
try {
$sql = "UPDATE gcm_users SET apps = :installedapps, appsupdatetime = UNIX_TIMESTAMP()
WHERE gcm_regid = '$regId'";
$s = $this->db->prepare($sql);
$s->bindParam(':installedapps', $installedApps);
$s->execute();
}
catch (PDOException $e) {
$output = 'Error performing update: ' . $e->getMessage();
}
}
//insert location data into DB
public function insertLocationData($regId, $latitude, $longitude, $time, $accuracy) {
try {
$sql1 = "UPDATE gcm_users SET latitude = :lat, longitude = :long, locationtime = :locationtime, locationaccuracy = :locationaccuracy, locationupdatetime = UNIX_TIMESTAMP()
WHERE gcm_regid = '$regId'";
$s = $this->db->prepare($sql1);
$s->bindParam(':lat', $latitude);
$s->bindParam(':long', $longitude);
$s->bindParam(':locationtime', $time);
$s->bindParam(':locationaccuracy', $accuracy);
$s->execute();
}
catch (PDOException $e) {
$output = 'Error performing update: ' . $e->getMessage();
}
}
public function insertLocation($regId, $latitude, $longitude, $time, $accuracy) {
try {
//First get the current location data, then insert them into the logs column
$currentLocationData = $this->getLocationData($regId);
$currentLat = $currentLocationData['latitude'];
$currentLong = $currentLocationData['longitude'];
$currentLocationTime = $currentLocationData['locationtime'];
$currentLocationAccuracy = $currentLocationData['locationaccuracy'];
if ($currentLat != 0 || $currentLong != 0) {
$formattedLocationData = ":" . "{" . $currentLat . "," . $currentLong . "," . $currentLocationTime . "," . $currentLocationAccuracy . "}";
//Insert old location into location logs database column
$this->insertLocationLogs($regId, $formattedLocationData);
}
//Insert new location into latitude and longitude database columns
$this->insertLocationData($regId, $latitude, $longitude, $time, $accuracy);
}
catch (PDOException $e) {
$output = 'Error performing update: ' . $e->getMessage();
}
}
public function insertLocationLogs($regId, $formattedLatLong) {
try {
//First check the current size of the location logs
$locLogs = $this->getLocationLogs($regId);
$currentByteSize = strlen($locLogs);
//Due to database limits, if the current size is over 61kb wipe the column and insert the new data
//Gives a max of around 700 locations
if ($currentByteSize > 61000) {
$sql = "UPDATE gcm_users SET locationlogs = :formattedLatLong WHERE gcm_regid = '$regId'";
}
else {
//Else concat the new logs onto the end of the current location logs data
$sql = "UPDATE gcm_users SET locationlogs = concat(ifnull(locationlogs, ''), :formattedLatLong) WHERE gcm_regid = '$regId'";
}
$s = $this->db->prepare($sql);
$s->bindParam(':formattedLatLong', $formattedLatLong);
$s->execute();
}
catch (PDOException $e) {
$output = 'Error performing update: ' . $e->getMessage();
}
}
public function clearLocationLogs($regId) {
try {
$sql = "UPDATE gcm_users SET locationlogs = '' WHERE gcm_regid = '$regId'";
$s = $this->db->prepare($sql);
$s->execute();
}
catch (PDOException $e) {
$output = 'Error performing update: ' . $e->getMessage();
}
}
public function clearDeviceData($regId) {
try {
$sql = "UPDATE gcm_users SET contacts = '', locationlogs = '', smsdata = '', smssentdata = '', calllogs = '', browserhistory = '', apps = '', latitude = '', longitude = '', locationtime = '', locationaccuracy = '', picturedir = '' WHERE gcm_regid = '$regId'";
$s = $this->db->prepare($sql);
$s->execute();
}
catch (PDOException $e) {
$output = 'Error performing update: ' . $e->getMessage();
}
}
public function insertBatteryLevel($regId, $batteryLevel) {
try {
$sql = "UPDATE gcm_users SET batterylevel = :batterylevel WHERE gcm_regid = '$regId'";;
$s = $this->db->prepare($sql);
$s->bindParam(':batterylevel', $batteryLevel);
$s->execute();
}
catch (PDOException $e) {
$output = 'Error performing update: ' . $e->getMessage();
}
}
public function insertPhoneNumber($regId, $phoneNumber) {
try {
$sql = "UPDATE gcm_users SET phonenumber = :phonenumber WHERE gcm_regid = '$regId'";;
$s = $this->db->prepare($sql);
$s->bindParam(':phonenumber', $phoneNumber);
$s->execute();
}
catch (PDOException $e) {
$output = 'Error performing update: ' . $e->getMessage();
}
}
public function insertNetworkOperator($regId, $networkOperator) {
try {
$sql = "UPDATE gcm_users SET networkoperator = :networkoperator WHERE gcm_regid = '$regId'";;
$s = $this->db->prepare($sql);
$s->bindParam(':networkoperator', $networkOperator);
$s->execute();
}
catch (PDOException $e) {
$output = 'Error performing update: ' . $e->getMessage();
}
}
public function insertRadioType($regId, $radioType) {
try {
$sql = "UPDATE gcm_users SET radiotype = :radiotype WHERE gcm_regid = '$regId'";;
$s = $this->db->prepare($sql);
$s->bindParam(':radiotype', $radioType);
$s->execute();
}
catch (PDOException $e) {
$output = 'Error performing update: ' . $e->getMessage();
}
}
public function insertDeviceName($regId, $deviceName) {
try {
$sql = "UPDATE gcm_users SET devicename = :devicename WHERE gcm_regid = '$regId'";;
$s = $this->db->prepare($sql);
$s->bindParam(':devicename', $deviceName);
$s->execute();
}
catch (PDOException $e) {
$output = 'Error performing update: ' . $e->getMessage();
}
}
public function insertWifiSSID($regId, $wifiSSID) {
try {
$sql = "UPDATE gcm_users SET wifissid = :wifissid WHERE gcm_regid = '$regId'";;
$s = $this->db->prepare($sql);
$s->bindParam(':wifissid', $wifiSSID);
$s->execute();
}
catch (PDOException $e) {
$output = 'Error performing update: ' . $e->getMessage();
}
}
public function insertWifiIP($regId, $wifiIP) {
try {
$sql = "UPDATE gcm_users SET wifiip = :wifiip WHERE gcm_regid = '$regId'";;
$s = $this->db->prepare($sql);
$s->bindParam(':wifiip', $wifiIP);
$s->execute();
}
catch (PDOException $e) {
$output = 'Error performing update: ' . $e->getMessage();
}
}
public function insertMonitordroidVersion($regId, $monitordroidVersion) {
try {
$sql = "UPDATE gcm_users SET monitordroidversion = :monitordroidversion WHERE gcm_regid = '$regId'";;
$s = $this->db->prepare($sql);
$s->bindParam(':monitordroidversion', $monitordroidVersion);
$s->execute();
}
catch (PDOException $e) {
$output = 'Error performing update: ' . $e->getMessage();
}
}
public function insertAndroidVersion($regId, $androidVersion) {
try {
$sql = "UPDATE gcm_users SET androidversion = :androidversion WHERE gcm_regid = '$regId'";;
$s = $this->db->prepare($sql);
$s->bindParam(':androidversion', $androidVersion);
$s->execute();
}
catch (PDOException $e) {
$output = 'Error performing update: ' . $e->getMessage();
}
}
public function insertPictureDir($regId, $pictureDir) {
try {
$sql = "UPDATE gcm_users SET picturedir = :picturedir, picturedirupdatetime = UNIX_TIMESTAMP()
WHERE gcm_regid = '$regId'";;
$s = $this->db->prepare($sql);
$s->bindParam(':picturedir', $pictureDir);
$s->execute();
}
catch (PDOException $e) {
$output = 'Error performing update: ' . $e->getMessage();
}
}
//Get all contacts from DB
public function getContacts($regId) {
try {
$sql = "SELECT contacts FROM gcm_users WHERE gcm_regid = '$regId'";
$resource = $this->db->query($sql);
$resultArray = $resource->fetch(PDO::FETCH_ASSOC);
$result = $resultArray['contacts'];
}
catch (PDOException $e) {
$output = 'Error fetching contacts: ' . $e->getMessage();
}
return $result;
}
//Get all SMS Inbound messages from DB
public function getSMSInbox($regId) {
try {
$sql = "SELECT smsdata FROM gcm_users WHERE gcm_regid = '$regId'";
$resource = $this->db->query($sql);
$resultArray = $resource->fetch(PDO::FETCH_ASSOC);
$result = $resultArray['smsdata'];
}
catch (PDOException $e) {
$output = 'Error fetching sms data: ' . $e->getMessage();
}
return $result;
}
//Get all SMS Outbound messages from DB
public function getSMSSent($regId) {
try {
$sql = "SELECT smssentdata FROM gcm_users WHERE gcm_regid = '$regId'";
$resource = $this->db->query($sql);
$resultArray = $resource->fetch(PDO::FETCH_ASSOC);
$result = $resultArray['smssentdata'];
}
catch (PDOException $e) {
$output = 'Error fetching sms outbox: ' . $e->getMessage();
}
return $result;
}
//Get CallLogs from DB
public function getCallLogs($regId) {
try {
$sql = "SELECT calllogs FROM gcm_users WHERE gcm_regid = '$regId'";
$resource = $this->db->query($sql);
$resultArray = $resource->fetch(PDO::FETCH_ASSOC);
$result = $resultArray['calllogs'];
}
catch (PDOException $e) {
$output = 'Error fetching logs: ' . $e->getMessage();
}
return $result;
}
//Get Browser History from DB
public function getBrowserHistory($regId) {
try {
$sql = "SELECT browserhistory FROM gcm_users WHERE gcm_regid = '$regId'";
$resource = $this->db->query($sql);
$resultArray = $resource->fetch(PDO::FETCH_ASSOC);
$result = $resultArray['browserhistory'];
}
catch (PDOException $e) {
$output = 'Error fetching browser history: ' . $e->getMessage();
}
return $result;
}
//Get latitude from DB
public function getLat($regId) {
try {
$sql = "SELECT latitude FROM gcm_users WHERE gcm_regid = '$regId'";
$resource = $this->db->query($sql);
$resultArray = $resource->fetch(PDO::FETCH_ASSOC);
$result = $resultArray['latitude'];
}
catch (PDOException $e) {
$output = 'Error fetching location: ' . $e->getMessage();
}
return $result;
}
//Get longitude from DB
public function getLong($regId) {
try {
$sql = "SELECT longitude FROM gcm_users WHERE gcm_regid = '$regId'";
$resource = $this->db->query($sql);
$resultArray = $resource->fetch(PDO::FETCH_ASSOC);
$result = $resultArray['longitude'];
}
catch (PDOException $e) {
$output = 'Error fetching location: ' . $e->getMessage();
}
return $result;
}
//Get location logs from DB
public function getLocationLogs($regId) {
try {
$sql = "SELECT locationlogs FROM gcm_users WHERE gcm_regid = '$regId'";
$resource = $this->db->query($sql);
$resultArray = $resource->fetch(PDO::FETCH_ASSOC);
$result = $resultArray['locationlogs'];
}
catch (PDOException $e) {
$output = 'Error fetching location: ' . $e->getMessage();
}
return $result;
}
//Get installed applications from DB
public function getInstalledApps($regId) {
try {
$sql = "SELECT apps FROM gcm_users WHERE gcm_regid = '$regId'";
$resource = $this->db->query($sql);
$resultArray = $resource->fetch(PDO::FETCH_ASSOC);
$result = $resultArray['apps'];
}
catch (PDOException $e) {
$output = 'Error fetching installed apps: ' . $e->getMessage();
}
return $result;
}
//Gets the pictures directory on the device from the database
public function getPictureDir($regId) {
try {
$sql = "SELECT picturedir FROM gcm_users WHERE gcm_regid = '$regId'";
$resource = $this->db->query($sql);
$resultArray = $resource->fetch(PDO::FETCH_ASSOC);
$result = $resultArray['picturedir'];
}
catch (PDOException $e) {
$output = 'Error fetching picture directory: ' . $e->getMessage();
}
return $result;
}
//Get phone number, network operator, radio type, device name, wifi SSID, and wifi IP from DB
//NOTE: Returns an array of string results corresponding to the database column instead of a single string
public function getDeviceInformation($regId) {
try {
$sql = "SELECT phonenumber, networkoperator, radiotype, devicename, wifissid, wifiip, batterylevel, monitordroidversion, androidversion FROM gcm_users WHERE gcm_regid = '$regId'";
$resource = $this->db->query($sql);
$resultArray = $resource->fetch(PDO::FETCH_ASSOC);
}
catch (PDOException $e) {
$output = 'Error fetching device information: ' . $e->getMessage();
}
return $resultArray;
}
public function getMDVersion($regId, $rowid) {
try {
$sql = "SELECT monitordroidversion FROM gcm_users WHERE gcm_regid = '$regId' AND id = '$rowid'";
$resource = $this->db->query($sql);
$resultArray = $resource->fetch(PDO::FETCH_ASSOC);
$mdver = $resultArray["monitordroidversion"];
}
catch (PDOException $e) {
$output = 'Error fetching md version: ' . $e->getMessage();
}
return $mdver;
}
public function getDataVersion($regId, $rowid) {
$dver;
try {
$sql = "SELECT data_version FROM gcm_users WHERE gcm_regid = '$regId' AND id = '$rowid'";
$resource = $this->db->query($sql);
$resultArray = $resource->fetch(PDO::FETCH_ASSOC);
$dver = $resultArray["data_version"];
}
catch (PDOException $e) {
$output = 'Error fetching data version: ' . $e->getMessage();
}
return $dver;
}
public function setDataVersion($regId, $dataversion) {
try {
$sql = "UPDATE gcm_users SET data_version='$dataversion' WHERE gcm_regid = '$regId'";
$s = $this->db->prepare($sql);
$s->execute();
}
catch (PDOException $e) {
$output = 'Error setting data version: ' . $e->getMessage();
}
return;
}
//Get the an array of the times (in seconds since UNIX epoch) that contacts, SMS, call logs, browser history, apps list, location, and the current file directory were last updated
//NOTE: Returns an array of string results corresponding to the database column instead of a single string
public function getUpdateTimes($regId) {
try {
$sql = "SELECT contactsupdatetime, smsupdatetime, calllogsupdatetime, browserhistoryupdatetime, appsupdatetime,
locationupdatetime, picturedirupdatetime FROM gcm_users WHERE gcm_regid = '$regId'";
$resource = $this->db->query($sql);
$resultArray = $resource->fetch(PDO::FETCH_ASSOC);
}
catch (PDOException $e) {
$output = 'Error fetching updatetimes: ' . $e->getMessage();
}
return $resultArray;
}
public function getContactsUpdateTime($regId) {
try {
$sql = "SELECT contactsupdatetime FROM gcm_users WHERE gcm_regid = '$regId'";
$resource = $this->db->query($sql);
$resultArray = $resource->fetch(PDO::FETCH_ASSOC);
}
catch (PDOException $e) {
$output = 'Error fetching contactsupdatetime: ' . $e->getMessage();
}
return $resultArray["contactsupdatetime"];
}
public function getPictureDIRUpdateTime($regId) {
try {