Remittance API Request Header Logger

api/MoneyRequest.php

@@ -103,6 +103,12 @@ class MoneyRequest extends System {
     private $toFee                      = NO_COUNT;
     // end-of-case-to-case-basis-variables
     
+    /**
+     * 
+     * @var string
+     */
+    private $accessLogDir               = NO_STRING;
+    
     public function __construct(){
         parent::__construct();
         
@@ -124,8 +130,39 @@ class MoneyRequest extends System {
         $this -> referer        = $this -> getColumnData($_SERVER, "HTTP_REFERER");
     }
     
+    private function logDetails($content, $logType){
+        $logDate        = date("Y-m-d");
+        $logTimestamp   = date("[Y-m-d H:i:s]");
+        
+        $logFile = NO_STRING;
+        
+        switch($logType){
+            case VAL_INT_1:
+                $logFile = $this -> accessLogDir;
+                break;
+        }
+        
+        error_log(
+            "{$logTimestamp}\r\n{$content}\r\n", VAL_INT_3,
+            "{$logFile}/Log_{$logDate}.log");
+    }
+    
     public function validate(){
-        $userAgent = $this -> getColumnData($_SERVER, "HTTP_USER_AGENT");
+        $this -> accessLogDir = "Logs/remittance/access";
+        
+        if(!@file_exists($this -> accessLogDir)){
+            mkdir($this -> accessLogDir, 0777, true);
+        }
+        
+        $requestDetails = [
+            "IP_Address" => $this -> getColumnData($_SERVER, "REMOTE_ADDR"),
+            "Program_Code" => $this -> pnum
+        ];
+        $requestDetails = print_r(array_merge($requestDetails, apache_request_headers()), true);
+        $this -> logDetails($requestDetails, VAL_INT_1);
+        
+        $userAgent  = $this -> getColumnData($_SERVER, "HTTP_USER_AGENT");
+        $referer    = $this -> getColumnData($_SERVER, "HTTP_REFERER");
         
         $whitelisitingValidationPassed = true;
         
@@ -135,7 +172,7 @@ class MoneyRequest extends System {
         // second layer of validation (Whitelisted Domains)
         $isDomainInRemittanceDisabled = false;
         
-        if($userAgent){
+        if($userAgent && $referer){
             // this condition will be considered if this was triggered in browser
             if(!$this -> checkSettlementIpAddress($this -> pnum, "allow_ip_in_remittance", $isIpInRemittanceDisabled)){
                 if(!$isIpInRemittanceDisabled)