mirror of
https://github.com/jokob-sk/NetAlertX.git
synced 2025-12-07 09:36:05 -08:00
370 lines
10 KiB
PHP
Executable File
370 lines
10 KiB
PHP
Executable File
<?php
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//------------------------------------------------------------------------------
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// Pi.Alert
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// Open Source Network Guard / WIFI & LAN intrusion detector
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//
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// util.php - Front module. Server side. Common generic functions
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//------------------------------------------------------------------------------
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// Puche 2021 pi.alert.application@gmail.com GNU GPLv3
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//------------------------------------------------------------------------------
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// ###################################
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// ## TimeZone processing start
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// ###################################
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$configFolderPath = "/home/pi/pialert/config/";
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$config_file = "pialert.conf";
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$logFolderPath = "/home/pi/pialert/front/log/";
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$log_file = "pialert_front.log";
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$fullConfPath = $configFolderPath.$config_file;
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chmod($fullConfPath, 0777);
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$config_file_lines = file($fullConfPath);
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$config_file_lines_timezone = array_values(preg_grep('/^TIMEZONE\s.*/', $config_file_lines));
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$timezone_line = explode("'", $config_file_lines_timezone[0]);
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$Pia_TimeZone = $timezone_line[1];
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$timeZone = "";
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foreach ($config_file_lines as $line)
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{
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if( preg_match('/TIMEZONE(.*?)/', $line, $match) == 1 )
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{
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if (preg_match('/\'(.*?)\'/', $line, $match) == 1) {
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$timeZone = $match[1];
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}
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}
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}
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if($timeZone == "")
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{
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$timeZone = "Europe/Berlin";
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}
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date_default_timezone_set($timeZone);
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$date = new DateTime("now", new DateTimeZone($timeZone) );
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$timestamp = $date->format('Y-m-d_H-i-s');
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// ###################################
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// ## TimeZone processing end
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// ###################################
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$FUNCTION = $_REQUEST['function'];
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$SETTINGS = $_REQUEST['settings'];
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if ($FUNCTION == 'savesettings') {
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saveSettings();
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}
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//------------------------------------------------------------------------------
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// Formatting data functions
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//------------------------------------------------------------------------------
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// Creates a PHP array from a string representing a python array (input format ['...','...'])
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function createArray($input){
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// regex patterns
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$patternBrackets = '/(^\s*\[)|(\]\s*$)/';
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$patternQuotes = '/(^\s*\')|(\'\s*$)/';
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$replacement = '';
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// remove brackets
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$noBrackets = preg_replace($patternBrackets, $replacement, $input);
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$options = array();
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// create array
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$optionsTmp = explode(",", $noBrackets);
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// remove quotes
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foreach ($optionsTmp as $item)
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{
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array_push($options, preg_replace($patternQuotes, $replacement, $item) );
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}
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return $options;
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}
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function formatDate ($date1) {
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return date_format (new DateTime ($date1) , 'Y-m-d H:i');
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}
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function formatDateDiff ($date1, $date2) {
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return date_diff (new DateTime ($date1), new DateTime ($date2 ) )-> format ('%ad %H:%I');
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}
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function formatDateISO ($date1) {
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return date_format (new DateTime ($date1),'c');
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}
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function formatEventDate ($date1, $eventType) {
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if (!empty ($date1) ) {
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$ret = formatDate ($date1);
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} elseif ($eventType == '<missing event>') {
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$ret = '<missing event>';
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} else {
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$ret = '<Still Connected>';
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}
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return $ret;
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}
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function formatIPlong ($IP) {
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return sprintf('%u', ip2long($IP) );
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}
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//------------------------------------------------------------------------------
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// Others functions
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//------------------------------------------------------------------------------
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function checkPermissions($files)
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{
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foreach ($files as $file)
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{
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// check access to database
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if(file_exists($file) != 1)
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{
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$message = "File '".$file."' not found or inaccessible. Correct file permissions, create one yourself or generate a new one in 'Settings' by clicking the 'Save' button.";
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displayMessage($message, TRUE);
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}
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}
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}
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function displayMessage($message, $logAlert = FALSE, $logConsole = TRUE, $logFile = TRUE, $logEcho = FALSE)
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{
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global $logFolderPath, $log_file, $timestamp;
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// sanitize
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$message = str_replace(array("\n", "\r", PHP_EOL), '', $message);
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echo "<script>function escape(html, encode) {
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return html.replace(!encode ? /&(?!#?\w+;)/g : /&/g, '&')
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.replace(/\t/g, '')
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}</script>";
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// Javascript Alert pop-up
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if($logAlert)
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{
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echo '<script>alert(escape("'.$message.'"));</script>';
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}
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// F12 Browser console
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if($logConsole)
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{
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echo '<script>console.log(escape("'.$message.'"));</script>';
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}
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//File
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if($logFile)
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{
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if(file_exists($logFolderPath.$log_file) != 1) // file doesn't exist, create one
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{
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$log = fopen($logFolderPath.$log_file, "w") or die("Unable to open file!");
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}else // file exists, append
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{
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$log = fopen($logFolderPath.$log_file, "a") or die("Unable to open file!");
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}
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fwrite($log, "[".$timestamp. "] " . $message.PHP_EOL."" );
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fclose($log);
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}
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//echo
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if($logEcho)
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{
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echo $message;
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}
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}
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function saveSettings()
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{
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global $SETTINGS, $FUNCTION, $config_file, $fullConfPath, $configFolderPath, $timestamp;
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// save in the file
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$new_name = $config_file.'_'.$timestamp.'.backup';
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$new_location = $configFolderPath.$new_name;
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// chmod($fullConfPath, 0755);
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if(file_exists( $fullConfPath) != 1)
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{
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displayMessage('File "'.$fullConfPath.'" not found or missing read permissions. Creating a new <code>'.$config_file.'</code> file.', FALSE, TRUE, TRUE, TRUE);
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}
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// create a backup copy
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elseif (!copy($fullConfPath, $new_location))
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{
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displayMessage("Failed to copy file ".$fullConfPath." to ".$new_location." <br/> Check your permissions to allow read/write access to the /config folder.", FALSE, TRUE, TRUE, TRUE);
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}
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// generate a clean pialert.conf file
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$groups = [];
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$txt = $txt."#-----------------AUTOGENERATED FILE-----------------#\n";
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$txt = $txt."# #\n";
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$txt = $txt."# Generated: ".$timestamp." #\n";
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$txt = $txt."# #\n";
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$txt = $txt."# Config file for the LAN intruder detection app: #\n";
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$txt = $txt."# https://github.com/jokob-sk/Pi.Alert #\n";
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$txt = $txt."# #\n";
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$txt = $txt."#-----------------AUTOGENERATED FILE-----------------#\n";
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// collect all groups
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foreach ($SETTINGS as $setting) {
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if( in_array($setting[0] , $groups) == false) {
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array_push($groups ,$setting[0]);
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}
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}
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// go thru the groups and prepare settings to write to file
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foreach($groups as $group)
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{
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$txt = $txt."\n\n# ".$group;
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$txt = $txt."\n#---------------------------\n" ;
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foreach($SETTINGS as $setting)
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{
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if($group == $setting[0])
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{
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if($setting[3] == 'text' or $setting[3] == 'password' or $setting[3] == 'readonly' or $setting[3] == 'selecttext')
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{
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$txt = $txt.$setting[1]."='".$setting[2]."'\n" ;
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} elseif($setting[3] == 'integer' or $setting[3] == 'selectinteger')
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{
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$txt = $txt.$setting[1]."=".$setting[2]."\n" ;
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} elseif($setting[3] == 'boolean')
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{
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$val = "False";
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if($setting[2] == 'true')
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{
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$val = "True";
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}
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$txt = $txt.$setting[1]."=".$val."\n" ;
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}elseif($setting[3] == 'multiselect' or $setting[3] == 'subnets')
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{
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$temp = '[';
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foreach($setting[2] as $val)
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{
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$temp = $temp."'". $val."',";
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}
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$temp = substr_replace($temp, "", -1).']'; // close brackets and remove last comma ','
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$txt = $txt.$setting[1]."=".$temp."\n" ;
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}
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}
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}
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}
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$txt = $txt."\n\n";
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$txt = $txt."#-------------------IMPORTANT INFO-------------------#\n";
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$txt = $txt."# This file is ingested by a python script, so if #\n";
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$txt = $txt."# modified it needs to use python syntax #\n";
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$txt = $txt."#-------------------IMPORTANT INFO-------------------#\n";
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// open new file and write the new configuration
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$newConfig = fopen($fullConfPath, "w") or die("Unable to open file!");
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fwrite($newConfig, $txt);
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fclose($newConfig);
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displayMessage("<br/>Settings saved to the <code>".$config_file."</code> file.
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Backup of ".$config_file." created: <code>".$new_name."</code>.<br/>
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<b>Restart the container for the chanegs to take effect.</b>",
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FALSE, TRUE, TRUE, TRUE);
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}
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function getString ($codeName, $default, $pia_lang) {
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$result = $pia_lang[$codeName];
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if ($result )
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{
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return $result;
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}
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return $default;
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}
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function getDateFromPeriod () {
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$period = $_REQUEST['period'];
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return '"'. date ('Y-m-d', strtotime ('+1 day -'. $period) ) .'"';
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}
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function quotes ($text) {
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return str_replace ('"','""',$text);
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}
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function logServerConsole ($text) {
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$x = array();
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$y = $x['__________'. $text .'__________'];
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}
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function getNetworkTypes(){
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$array = array(
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"AP", "Gateway", "Powerline", "Switch", "WLAN", "PLC", "Router","USB LAN Adapter", "USB WIFI Adapter"
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);
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return $array;
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}
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function getDevicesColumns(){
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$columns = ["dev_MAC",
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"dev_Name",
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"dev_Owner",
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"dev_DeviceType",
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"dev_Vendor",
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"dev_Favorite",
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"dev_Group",
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"dev_Comments",
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"dev_FirstConnection",
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"dev_LastConnection",
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"dev_LastIP",
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"dev_StaticIP",
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"dev_ScanCycle",
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"dev_LogEvents",
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"dev_AlertEvents",
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"dev_AlertDeviceDown",
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"dev_SkipRepeated",
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"dev_LastNotification",
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"dev_PresentLastScan",
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"dev_NewDevice",
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"dev_Location",
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"dev_Archived",
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"dev_Network_Node_port",
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"dev_Network_Node_MAC_ADDR"];
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return $columns;
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}
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//------------------------------------------------------------------------------
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// Simple cookie cache
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//------------------------------------------------------------------------------
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function getCache($key) {
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if( isset($_COOKIE[$key]))
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{
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return $_COOKIE[$key];
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}else
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{
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return "";
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}
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}
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function setCache($key, $value) {
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setcookie($key, $value, time()+300, "/","", 0); // 5min cache
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}
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?>
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