ZP-1159 Add maxLength parameter to Request::GetInputAsBase64(), log 10KB

in an WBXML exception case and 4KB in the happy case.

Released under the Affero GNU General Public License (AGPL) version 3.

src/lib/request/request.php

@@ -691,12 +691,14 @@ class Request {
      * With POST request (our case), you can open and read
      * multiple times "php://input"
      *
+     * @param int $maxLength   max lenght to be returned. Default: return all
+     *
      * @access public
      * @return string - base64 encoded wbxml
      */
-    public static function GetInputAsBase64() {
+    public static function GetInputAsBase64($maxLength = -1) {
         $input = fopen('php://input', 'r');
-        $wbxml = base64_encode(stream_get_contents($input));
+        $wbxml = base64_encode(stream_get_contents($input, $maxLength));
         fclose($input);
         return $wbxml;
     }

src/lib/request/requestprocessor.php

@@ -112,13 +112,15 @@ abstract class RequestProcessor {
             }
         }
         catch (Exception $ex) {
-            ZLog::Write(LOGLEVEL_FATAL, "WBXML debug data: " . Request::GetInputAsBase64(), false);
+            // Log 10 KB of the WBXML data
+            ZLog::Write(LOGLEVEL_FATAL, "WBXML 10K debug data: " . Request::GetInputAsBase64(10240), false);
             throw $ex;
         }
 
         // also log WBXML in happy case
         if (ZLog::IsWbxmlDebugEnabled()) {
-            ZLog::Write(LOGLEVEL_WBXML, "WBXML-IN : ". Request::GetInputAsBase64(), false);
+            // Log 4 KB in the happy case
+            ZLog::Write(LOGLEVEL_WBXML, "WBXML-IN : ". Request::GetInputAsBase64(4096), false);
         }
     }