mirror of https://github.com/itflow-org/itflow
290 lines
13 KiB
PHP
290 lines
13 KiB
PHP
<?php
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if (!file_exists('config.php')) {
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header("Location: setup.php");
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exit;
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}
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require_once("config.php");
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require_once("functions.php");
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require_once("rfc6238.php");
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// IP & User Agent for logging
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$ip = strip_tags(mysqli_real_escape_string($mysqli, getIP()));
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$user_agent = strip_tags(mysqli_real_escape_string($mysqli, $_SERVER['HTTP_USER_AGENT']));
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// Block brute force password attacks - check recent failed login attempts for this IP
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// Block access if more than 15 failed login attempts have happened in the last 10 minutes
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$row = mysqli_fetch_assoc(mysqli_query($mysqli, "SELECT COUNT(log_id) AS failed_login_count FROM logs WHERE log_ip = '$ip' AND log_type = 'Login' AND log_action = 'Failed' AND log_created_at > (NOW() - INTERVAL 10 MINUTE)"));
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$failed_login_count = $row['failed_login_count'];
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if ($failed_login_count >= 15) {
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// Logging
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mysqli_query($mysqli, "INSERT INTO logs SET log_type = 'Login', log_action = 'Blocked', log_description = '$ip was blocked access to login due to IP lockout', log_ip = '$ip', log_user_agent = '$user_agent'");
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// Inform user & quit processing page
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exit("<h2>$config_app_name</h2>Your IP address has been blocked due to repeated failed login attempts. Please try again later. <br><br>This action has been logged.");
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}
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// Query Settings for "default" company (as companies are being removed shortly)
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$sql_settings = mysqli_query($mysqli, "SELECT * FROM settings LEFT JOIN companies ON settings.company_id = companies.company_id WHERE settings.company_id = 1");
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$row = mysqli_fetch_array($sql_settings);
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// Company info
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$company_name = $row['company_name'];
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$company_logo = $row['company_logo'];
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// Mail
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$config_smtp_host = $row['config_smtp_host'];
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$config_smtp_port = $row['config_smtp_port'];
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$config_smtp_encryption = $row['config_smtp_encryption'];
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$config_smtp_username = $row['config_smtp_username'];
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$config_smtp_password = $row['config_smtp_password'];
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$config_mail_from_email = $row['config_mail_from_email'];
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$config_mail_from_name = $row['config_mail_from_name'];
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// HTTP-Only cookies
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ini_set("session.cookie_httponly", True);
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// Tell client to only send cookie(s) over HTTPS
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if ($config_https_only) {
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ini_set("session.cookie_secure", True);
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}
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// Handle POST login request
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if (isset($_POST['login'])) {
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// Sessions should start after the user has POSTed data
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session_start();
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// Passed login brute force check
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$email = strip_tags(mysqli_real_escape_string($mysqli, $_POST['email']));
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$password = $_POST['password'];
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$current_code = 0; // Default value
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if (isset($_POST['current_code'])) {
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$current_code = strip_tags(mysqli_real_escape_string($mysqli, $_POST['current_code']));
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}
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$row = mysqli_fetch_assoc(mysqli_query($mysqli, "SELECT * FROM users LEFT JOIN user_settings on users.user_id = user_settings.user_id WHERE user_email = '$email' AND user_archived_at IS NULL AND user_status = 1"));
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// Check password
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if ($row && password_verify($password, $row['user_password'])) {
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// User password correct (partial login)
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// Set temporary user variables
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$user_name = strip_tags(mysqli_real_escape_string($mysqli, $row['user_name']));
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$user_id = $row['user_id'];
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$user_email = $row['user_email'];
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$token = $row['user_token'];
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// Checking for user 2FA
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if (empty($token) || TokenAuth6238::verify($token, $current_code)) {
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// FULL LOGIN SUCCESS - 2FA not configured or was successful
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// Check this login isn't suspicious
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$sql_ip_prev_logins = mysqli_fetch_assoc(mysqli_query($mysqli, "SELECT COUNT(log_id) AS ip_previous_logins FROM logs WHERE log_type = 'Login' AND log_action = 'Success' AND log_ip = '$ip' AND log_user_id = '$user_id'"));
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$ip_previous_logins = $sql_ip_prev_logins['ip_previous_logins'];
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$sql_ua_prev_logins = mysqli_fetch_assoc(mysqli_query($mysqli, "SELECT COUNT(log_id) AS ua_previous_logins FROM logs WHERE log_type = 'Login' AND log_action = 'Success' AND log_user_agent = '$user_agent' AND log_user_id = '$user_id'"));
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$ua_prev_logins = $sql_ua_prev_logins['ua_previous_logins'];
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// Notify if both the user agent and IP are different
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if (!empty($config_smtp_host) && $ip_previous_logins == 0 && $ua_prev_logins == 0) {
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$subject = "$config_app_name new login for $user_name";
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$body = "Hi $user_name, <br><br>A recent successful login to your $config_app_name account was considered a little unusual. If this was you, you can safely ignore this email!<br><br>IP Address: $ip<br> User Agent: $user_agent <br><br>If you did not perform this login, your credentials may be compromised. <br><br>Thanks, <br>ITFlow";
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$mail = sendSingleEmail($config_smtp_host, $config_smtp_username, $config_smtp_password, $config_smtp_encryption, $config_smtp_port,
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$config_mail_from_email, $config_mail_from_name,
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$user_email, $user_name,
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$subject, $body);
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}
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// Determine whether 2FA was used (for logs)
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$extended_log = ''; // Default value
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if ($current_code !== 0 ) {
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$extended_log = 'with 2FA';
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}
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// Logging successful login
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mysqli_query($mysqli, "INSERT INTO logs SET log_type = 'Login', log_action = 'Success', log_description = '$user_name successfully logged in $extended_log', log_ip = '$ip', log_user_agent = '$user_agent', log_user_id = $user_id");
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// Session info
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$_SESSION['user_id'] = $user_id;
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$_SESSION['user_name'] = $user_name;
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$_SESSION['user_role'] = $row['user_role'];
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$_SESSION['csrf_token'] = bin2hex(random_bytes(78));
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$_SESSION['logged'] = TRUE;
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// Setup encryption session key
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if (isset($row['user_specific_encryption_ciphertext']) && $row['user_role'] > 1) {
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$user_encryption_ciphertext = $row['user_specific_encryption_ciphertext'];
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$site_encryption_master_key = decryptUserSpecificKey($user_encryption_ciphertext, $password);
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generateUserSessionKey($site_encryption_master_key);
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// Setup extension
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if (isset($row['user_extension_key']) && !empty($row['user_extension_key'])) {
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// Extension cookie
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// Note: Browsers don't accept cookies with SameSite None if they are not HTTPS.
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setcookie("user_extension_key", "$row[user_extension_key]", ['path' => '/', 'secure' => true, 'httponly' => true, 'samesite' => 'None']);
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// Set PHP session in DB, so we can access the session encryption data (above)
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$user_php_session = session_id();
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mysqli_query($mysqli, "UPDATE users SET user_php_session = '$user_php_session' WHERE user_id = '$user_id'");
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}
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}
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// Show start page/dashboard depending on role
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if ($row['user_role'] == 2) {
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header("Location: dashboard_technical.php");
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} else {
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header("Location: dashboard_financial.php");
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}
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} else {
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// MFA is configured and needs to be confirmed, or was unsuccessful
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// HTML code for the token input field
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$token_field = "
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<div class='input-group mb-3'>
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<input type='text' class='form-control' placeholder='2FA Token' name='current_code' required autofocus>
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<div class='input-group-append'>
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<div class='input-group-text'>
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<span class='fas fa-key'></span>
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</div>
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</div>
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</div>";
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// Log/notify if MFA was unsuccessful
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if ($current_code !== 0) {
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// Logging
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mysqli_query($mysqli, "INSERT INTO logs SET log_type = 'Login', log_action = '2FA Failed', log_description = '$user_name failed 2FA', log_ip = '$ip', log_user_agent = '$user_agent', log_created_at = NOW(), log_user_id = $user_id");
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// Email the tech to advise their credentials may be compromised
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if (!empty($config_smtp_host)) {
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$subject = "Important: $config_app_name failed 2FA login attempt for $user_name";
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$body = "Hi $user_name, <br><br>A recent login to your $config_app_name account was unsuccessful due to an incorrect 2FA code. If you did not attempt this login, your credentials may be compromised. <br><br>Thanks, <br>ITFlow";
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$mail = sendSingleEmail($config_smtp_host, $config_smtp_username, $config_smtp_password, $config_smtp_encryption, $config_smtp_port,
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$config_mail_from_email, $config_mail_from_name,
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$user_email, $user_name,
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$subject, $body);
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}
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// HTML feedback for incorrect 2FA code
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$response = "
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<div class='alert alert-warning'>
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Please Enter 2FA Key!
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<button class='close' data-dismiss='alert'>×</button>
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</div>";
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}
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}
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} else {
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// Password incorrect or user doesn't exist - show generic error
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mysqli_query($mysqli, "INSERT INTO logs SET log_type = 'Login', log_action = 'Failed', log_description = 'Failed login attempt using $email', log_ip = '$ip', log_user_agent = '$user_agent', log_created_at = NOW()");
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$response = "
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<div class='alert alert-danger'>
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Incorrect username or password.
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<button class='close' data-dismiss='alert'>×</button>
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</div>";
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}
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}
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?>
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<title><?php echo $config_app_name; ?> | Login</title>
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<!-- Tell the browser to be responsive to screen width -->
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<meta name="robots" content="noindex">
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<!-- Font Awesome -->
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<link rel="stylesheet" href="plugins/fontawesome-free/css/all.min.css">
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<!-- Theme style -->
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<link rel="stylesheet" href="dist/css/adminlte.min.css">
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<!-- Google Font: Source Sans Pro -->
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<link href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:300,400,400i,700" rel="stylesheet">
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</head>
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<body class="hold-transition login-page">
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<div class="login-box">
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<div class="login-logo">
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<?php if (!empty($company_logo)) { ?>
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<img alt="<?=$company_name?> logo" height="110" width="380" class="img-fluid" src="<?php echo "uploads/settings/1/$company_logo"; ?>">
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<?php } else { ?>
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<b>IT</b>Flow
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<?php } ?>
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</div>
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<!-- /.login-logo -->
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<div class="card">
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<div class="card-body login-card-body">
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<p class="login-box-msg"><?php if (isset($response)) { echo $response; } ?></p>
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<form method="post">
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<div class="input-group mb-3">
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<input type="text" class="form-control" placeholder="Agent Email" name="email" value="<?php if(!empty($token_field)){ echo $email; }?>" required <?php if(empty($token_field)){ echo "autofocus"; } ?> >
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<div class="input-group-append">
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<div class="input-group-text">
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<span class="fas fa-envelope"></span>
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</div>
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</div>
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</div>
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<div class="input-group mb-3">
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<input type="password" class="form-control" placeholder="Agent Password" name="password" value="<?php if(!empty($token_field)){ echo $password; } ?>" required>
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<div class="input-group-append">
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<div class="input-group-text">
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<span class="fas fa-lock"></span>
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</div>
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</div>
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</div>
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<?php if(!empty($token_field)){ echo $token_field; } ?>
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<button type="submit" class="btn btn-primary btn-block mb-3" name="login">Sign In</button>
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<hr><br>
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<h4>Looking for the <a href="portal">Client Portal?<a/></h4>
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</form>
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</div>
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<!-- /.login-card-body -->
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</div>
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</div>
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<!-- /.login-box -->
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<!-- jQuery -->
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<script src="plugins/jquery/jquery.min.js"></script>
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<!-- Bootstrap 4 -->
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<script src="plugins/bootstrap/js/bootstrap.bundle.min.js"></script>
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<!-- AdminLTE App -->
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<script src="dist/js/adminlte.min.js"></script>
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<script src="plugins/Show-Hide-Passwords-Bootstrap-4/bootstrap-show-password.min.js"></script>
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<!-- Prevents resubmit on refresh or back -->
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<script>
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if (window.history.replaceState) {
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window.history.replaceState(null,null,window.location.href);
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}
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</script>
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</body>
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</html>
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