<?php
/**
* This file contains user's login details code.
*
* @author  Tech Banker
* @package wp-captcha-booster/includes
* @version 1.0.0
*/

if(!defined("ABSPATH")) exit; //exit if accessed directly
/*
Function Name: user_log_in_fails
Parameter: yes($username,$ip_address)
Description: This function is used to create entry when user fails to log in.
Created On: 08-07-2016 11:30
Created By: Tech Banker Team
*/
if(!function_exists("user_log_in_fails"))
{
	function user_log_in_fails($username,$ip_address)
	{
		$obj_dbMailer_captcha_booster = new dbMailer_captcha_booster();
		global $wpdb,$alert_setup_data_array,$error;
		$ip = getIpAddress_for_captcha_booster();
		$ip_address = $ip == "::1" ? ip2long("127.0.0.1") : ip2long($ip);
		$get_ip = get_ip_location_captcha_booster(long2ip($ip_address));
		$logs_parent_id = $wpdb->get_var
		(
			$wpdb->prepare
			(
				"SELECT id FROM ".captcha_booster()." WHERE type=%s",
				"logs"
			)
		);
		$insert_user_login = array();
		$insert_user_login["type"] = "login_log";
		$insert_user_login["parent_id"] = $logs_parent_id;
		$wpdb->insert(captcha_booster(),$insert_user_login);
		$last_id = $wpdb->insert_id;

		$insert_user_login = array();
		$insert_user_login["username"] = $username;
		$insert_user_login["user_ip_address"] = $ip_address;
		$insert_user_login["resources"] = $_SERVER["REQUEST_URI"];
		$insert_user_login["http_user_agent"] = $_SERVER["HTTP_USER_AGENT"];
		$location = $get_ip->country_name == "" && $get_ip->city == "" ? "" : $get_ip->country_name == ""  ?  "" : $get_ip->city == "" ? $get_ip->country_name : $get_ip->city .", ".$get_ip->country_name;
		$insert_user_login["location"] = $location;
		$insert_user_login["latitude"] = $get_ip->latitude;
		$insert_user_login["longitude"] = $get_ip->longitude;
		$insert_user_login["date_time"] = time();
		$insert_user_login["status"] = "Failure";
		$insert_user_login["meta_id"] = $last_id;
		$insert_data = array();
		$insert_data["meta_id"] = $last_id;
		$insert_data["meta_key"] = "recent_login_data";
		$insert_data["meta_value"] = serialize($insert_user_login);
		$wpdb->insert(captcha_booster_meta(),$insert_data);

		$alert_setup = $wpdb->get_var
		(
			$wpdb->prepare
			(
				"SELECT meta_value FROM ".captcha_booster_meta()." WHERE meta_key=%s",
				"alert_setup"
			)
		);
		$alert_setup_data_array = unserialize($alert_setup);
		if($alert_setup_data_array["email_when_a_user_fails_login"] == "enable")
		{
			$template_failure = $wpdb->get_var
			(
				$wpdb->prepare
				(
					"SELECT  meta_value FROM ".captcha_booster_meta()." WHERE meta_key=%s",
					"template_for_user_failure"
				)
			);
			$template_failure_data_array = unserialize($template_failure);
			$obj_dbMailer_captcha_booster->login_mailCommand_captcha_booster($template_failure_data_array,$username);
		}

		if(!function_exists("get_user_data_remove_unwanted_users"))
		{
			function get_user_data_remove_unwanted_users($data,$date,$blocked_time,$ip_address)
			{
				$array_details = array();
				foreach ($data as $raw_row)
				{
					$row = unserialize($raw_row->meta_value);
					if($row["user_ip_address"] == $ip_address)
					{
						if($blocked_time != "permanently")
						{
							if($row["status"] == "Failure" && $row["date_time"] + $blocked_time >= $date)
							{
								array_push($array_details,$row);
							}
						}
						else
						{
							if($row["status"] == "Failure")
							{
								array_push($array_details,$row);
							}
						}
					}
				}
				return $array_details;
			}
		}

		$blocking_options_data = $wpdb->get_var
		(
			$wpdb->prepare
			(
				"SELECT meta_value FROM ".captcha_booster_meta()." WHERE meta_key=%s",
				"blocking_options"
			)
		);
		$blocking_options_unserialized_data = unserialize($blocking_options_data);
		if($blocking_options_unserialized_data["auto_ip_block"] == "enable")
		{
			$get_ip = get_ip_location_captcha_booster(long2ip($ip_address));
			$location = $get_ip->country_name == "" && $get_ip->city == "" ? "" : $get_ip->country_name == ""  ?  "" : $get_ip->city == "" ? $get_ip->country_name : $get_ip->city .", ".$get_ip->country_name;

			$date = time();
			$get_all_user_data = $wpdb->get_results
			(
				$wpdb->prepare
				(
					"SELECT * FROM ". captcha_booster_meta(). "
					WHERE meta_key= %s",
					"recent_login_data"
				)
			);

			$blocked_for_time = $blocking_options_unserialized_data["block_for_time"];

			switch($blocked_for_time)
			{
				case "1Hour":
					$this_time = 60*60;
				break;

				case "12Hour":
					$this_time = 12*60*60;
				break;

				case "24hours":
					$this_time = 24*60*60;
				break;

				case "48hours":
					$this_time = 2*24*60*60;
				break;

				case "week":
					$this_time = 7*24*60*60;
				break;

				case "month":
					$this_time = 30*24*60*60;
				break;

				case "permanently":
					$this_time = "permanently";
				break;
			}

			$user_data = COUNT(get_user_data_remove_unwanted_users($get_all_user_data,$date,$this_time,$ip_address));
			if(!defined("cpb_count_login_status")) define("cpb_count_login_status",$user_data);
			if($user_data >= $blocking_options_unserialized_data["maximum_login_attempt_in_a_day"])
			{
				$ip_address_parent_id = $wpdb->get_var
				(
					$wpdb->prepare
					(
						"SELECT id FROM ".captcha_booster()." WHERE type=%s",
						"advance_security"
					)
				);

				$ip_address_block = array();
				$ip_address_block["type"] = "block_ip_address";
				$ip_address_block["parent_id"] = $ip_address_parent_id;
				$wpdb->insert(captcha_booster(),$ip_address_block);
				$last_id = $wpdb->insert_id;

				$ip_address_block_meta = array();
				$ip_address_block_meta["ip_address"] = $ip_address;
				$ip_address_block_meta["blocked_for"] = $blocked_for_time;
				$ip_address_block_meta["location"] = $location;
				$ip_address_block_meta["comments"] = "IP ADDRESS AUTOMATIC BLOCKED!";
				$ip_address_block_meta["date_time"] = time();
				$ip_address_block_meta["meta_id"] = $last_id;

				$insert_data = array();
				$insert_data["meta_id"] = $last_id;
				$insert_data["meta_key"] = "block_ip_address";
				$insert_data["meta_value"] = serialize($ip_address_block_meta);
				$wpdb->insert(captcha_booster_meta(),$insert_data);

				if($blocked_for_time != "permanently")
				{
					$cron_name = "ip_address_unblocker_".$last_id;
					wp_schedule_captcha_booster($cron_name,$blocked_for_time);
				}

				$email_when_ip_address_blocked = $wpdb->get_var
				(
					$wpdb->prepare
					(
						"SELECT meta_value FROM ".captcha_booster_meta()." WHERE meta_key=%s",
						"alert_setup"
					)
				);

				$email_when_ip_address_blocked_unserialized = unserialize($email_when_ip_address_blocked);
				if($email_when_ip_address_blocked_unserialized["email_when_an_ip_address_is_blocked"] == "enable")
				{
					$template_for_ip_address_blocked = $wpdb->get_var
					(
						$wpdb->prepare
						(
							"SELECT meta_value FROM ".captcha_booster_meta()." WHERE meta_key=%s",
							"template_for_ip_address_blocked"
						)
					);
					$meta_data_array = unserialize($template_for_ip_address_blocked);
					$obj_dbMailer_captcha_booster->ip_address_mailCommand_captcha_booster($meta_data_array,$ip_address_block_meta);
				}
				$error_data = $wpdb->get_var
				(
					$wpdb->prepare
					(
						"SELECT meta_value FROM " . captcha_booster_meta(). " WHERE meta_key=%s",
						"error_message"
					)
				);
				$error_messages_unserialized_data = unserialize($error_data);
				$replace_address = str_replace("[ip_address]",long2ip($ip_address),$error_messages_unserialized_data["for_blocked_ip_address_error"]);
				wp_die($replace_address);
			}
			add_filter("login_errors","login_error_messages_captcha_booster",10,1);
		}
	}
}

/*
Function Name: user_log_in_success
Parameter: yes($username,$ip_address)
Description: This function is used to create entry when user logged in successfully.
Created On: 08-07-2016 11:32
Created By: Tech Banker Team
*/
if(!function_exists("user_log_in_success"))
{
	function user_log_in_success($username,$ip_address)
	{
		$obj_dbMailer_captcha_booster = new dbMailer_captcha_booster();
		global $wpdb,$alert_setup_data_array;
		$ip = getIpAddress_for_captcha_booster();
		$ip_address = $ip == "::1" ? ip2long("127.0.0.1") : ip2long($ip);
		$get_ip = get_ip_location_captcha_booster(long2ip($ip_address));
		$logs_parent_id = $wpdb->get_var
		(
			$wpdb->prepare
			(
				"SELECT id FROM ".captcha_booster()." WHERE type=%s",
				"logs"
			)
		);
		$insert_user_login = array();
		$insert_user_login["type"] = "login_log";
		$insert_user_login["parent_id"] = $logs_parent_id;
		$wpdb->insert(captcha_booster(),$insert_user_login);

		$last_id = $wpdb->insert_id;

		$insert_user_login = array();
		$insert_user_login["username"] = $username;
		$insert_user_login["user_ip_address"] = $ip_address;
		$insert_user_login["resources"] = $_SERVER["REQUEST_URI"];
		$insert_user_login["http_user_agent"] = $_SERVER["HTTP_USER_AGENT"];
		$location = $get_ip->country_name == "" && $get_ip->city == "" ? "" : $get_ip->country_name == ""  ?  "" : $get_ip->city == "" ? $get_ip->country_name : $get_ip->city .", ".$get_ip->country_name;
		$insert_user_login["location"] = $location;
		$insert_user_login["latitude"] = $get_ip->latitude;
		$insert_user_login["longitude"] = $get_ip->longitude;
		$insert_user_login["date_time"] = time();
		$insert_user_login["status"] = "Success";
		$insert_user_login["meta_id"] = $last_id;

		$insert_data = array();
		$insert_data["meta_id"] = $last_id;
		$insert_data["meta_key"] = "recent_login_data";
		$insert_data["meta_value"] = serialize($insert_user_login);
		$wpdb->insert(captcha_booster_meta(),$insert_data);

		$alert_setup = $wpdb->get_var
		(
			$wpdb->prepare
			(
				"SELECT meta_value FROM ".captcha_booster_meta()." WHERE meta_key=%s",
				"alert_setup"
			)
		);
		$alert_setup_data_array = unserialize($alert_setup);
		if($alert_setup_data_array["email_when_a_user_success_login"] == "enable")
		{
			$template_success = $wpdb->get_var
			(
				$wpdb->prepare
				(
					"SELECT meta_value FROM ".captcha_booster_meta()." WHERE meta_key=%s",
					"template_for_user_success"
				)
			);
			$template_success_data_array = unserialize($template_success);
			if(empty($template_success_data_array["send_to"]))
			{
				$template_success_data_array["send_to"] = get_bloginfo("admin_email");
			}
			$obj_dbMailer_captcha_booster->login_mailCommand_captcha_booster($template_success_data_array,$username);
		}
	}
}

/*
Function Name: check_user_login_status
Parameter: yes($username,$password)
Description: This function is used to call the functions user_log_in_fails and user_log_in_success.
Created On: 08-07-2016 11:35
Created By: Tech Banker Team
*/

if(!function_exists("check_user_login_status"))
{
	function check_user_login_status($username,$password)
	{
		global $wpdb,$alert_setup_data_array;
		$ip_address = ip2long(getIpAddress_for_captcha_booster());
		$alert_setup = $wpdb->get_var
		(
			$wpdb->prepare
			(
				"SELECT meta_value FROM ".captcha_booster_meta()." WHERE meta_key=%s",
				"alert_setup"
			)
		);
		$alert_setup_data_array = unserialize($alert_setup);
		$userdata = get_user_by("login", $username);
		if($userdata && wp_check_password($password, $userdata->user_pass))
		{
			user_log_in_success($username,$ip_address);
		}
		else
		{
			if($username == "" && $password == "")
			{
				return;
			}
			else
			{
				user_log_in_fails($username,$ip_address);
			}
		}
	}
}

/*
Function Name: login_error_messages_captcha_booster
Parameter: Yes($default_error_message)
Description: This function is used to return the login attempts error message.
Created On: 08-07-2016 11:40
Created By: Tech Banker Team
*/

if(!function_exists("login_error_messages_captcha_booster"))
{
	function login_error_messages_captcha_booster($default_error_message)
	{
		global $wpdb;

		$blocking_options_data = $wpdb->get_var
		(
			$wpdb->prepare
			(
				"SELECT meta_value FROM ".captcha_booster_meta()." WHERE meta_key=%s",
				"blocking_options"
			)
		);
		$blocking_options_unserialized_data = unserialize($blocking_options_data);

		$error_message_login_attempts = $wpdb->get_var
		(
			$wpdb->prepare
			(
				"SELECT meta_value FROM ".captcha_booster_meta()." WHERE meta_key=%s",
				"error_message"
			)
		);
		$error_message_login_attempts_unserialized = unserialize($error_message_login_attempts);
		$login_attempts = $blocking_options_unserialized_data["maximum_login_attempt_in_a_day"]-cpb_count_login_status;
		$replace_login_attempts = str_replace("[login_attempts]",$login_attempts,$error_message_login_attempts_unserialized["for_login_attempts_error"]);
		$display_error_message = $default_error_message." ".$replace_login_attempts;

		return $display_error_message;
	}
}

/*
Function Name: plugin_get_version
Parameter: Yes($plugin)
Description: This function is used to returns the version of active plugins.
Created On: 08-07-2016 11:44
Created By: Tech Banker Team
*/

function plugin_get_version($plugin)
{
	$plugin_data = get_plugin_data(WP_PLUGIN_DIR . "/" . $plugin);
	$plugin_version = $plugin_data["Version"];
	return $plugin_version;
}
?>