add AutoChunk httpsender script

httpsender/AutoChunk.py

@@ -0,0 +1,54 @@
+# This script will fix the data chunk format in the request body.
+# Coded by: https://nmwafa.github.io - with GPT
+
+def is_chunked(msg):
+    te = msg.getRequestHeader().getHeader("Transfer-Encoding")
+    return te and "chunked" in te.lower()
+
+def fix_chunk_format(body):
+    try:
+        lines = body.replace("\r", "").split("\n")
+        fixed = ""
+        i = 0
+        while i < len(lines):
+            line = lines[i].strip()
+            if line == "0":
+                fixed += "0\r\n\r\n"
+                break
+            if line == "":
+                i += 1
+                continue
+            try:
+                chunk_len = int(line, 16)
+            except:
+                break
+            i += 1
+            if i >= len(lines):
+                break
+            chunk_data = lines[i]
+            fixed += "%s\r\n%s\r\n" % (line, chunk_data)
+            i += 1
+        return fixed
+    except Exception as e:
+        return body  # fallback
+
+def escape_crlf(text):
+    return text.replace("\r", "\\r").replace("\n", "\\n")
+
+def sendingRequest(msg, initiator, helper):
+    try:
+        if not is_chunked(msg):
+            return
+
+        original_body = msg.getRequestBody().toString()
+        fixed_body = fix_chunk_format(original_body)
+
+        # update
+        if original_body != fixed_body:
+            msg.setRequestBody(fixed_body)
+
+    except Exception as e:
+        print("[!] ERROR sendingRequest: %s" % str(e))
+
+def responseReceived(msg, initiator, helper):
+    pass