From e04293267f26c2574744073e42d0b90ee84365dc Mon Sep 17 00:00:00 2001
From: JP Appel <jeanpierre.appel01@gmail.com>
Date: Mon, 19 Aug 2024 01:34:29 -0400
Subject: add http echo server script

---
 scripts/http-echo | 101 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100755 scripts/http-echo

diff --git a/scripts/http-echo b/scripts/http-echo
new file mode 100755
index 0000000..e17445b
--- /dev/null
+++ b/scripts/http-echo
@@ -0,0 +1,101 @@
+#!/usr/bin/env python3
+
+import sys
+import http.server
+import socket
+
+__version__ = "0.1"
+
+
+class EchoHTTPRequestHandler(http.server.BaseHTTPRequestHandler):
+    server_version = "EchoHTTP/" + __version__
+
+    def do_HEAD(self):
+        """Echo a HEAD request"""
+        self.echo_request()
+
+    def do_GET(self):
+        """Echo a GET request"""
+        self.echo_request()
+
+    def do_POST(self):
+        """Echo a POST request"""
+        self.echo_request()
+
+    def do_PUT(self):
+        """Echo a PUT request"""
+        self.echo_request()
+
+    def do_DELETE(self):
+        """Echo a DELETE request"""
+        self.echo_request()
+
+    def do_CONNECT(self):
+        """Echo a CONNECT request"""
+        self.echo_request()
+
+    def do_OPTIONS(self):
+        """Echo a OPTIONS request"""
+        self.echo_request()
+
+    def do_TRACE(self):
+        """Echo a TRACE request"""
+        self.echo_request()
+
+    def do_PATCH(self):
+        """Echo a PATCH request"""
+        self.echo_request()
+
+    def echo_headers(self):
+        """Echo a the headers of a request"""
+        for key, val in self.headers.items():
+            header: str = f'{key}: {val}\n'
+            self.wfile.write(header.encode('utf-8'))
+
+    def echo_body(self):
+        length = int(self.headers.get('Content-Length', 0))
+        if length == 0:
+            return
+        body = self.rfile.read(length)
+        self.wfile.write(body)
+
+    def echo_request(self):
+        self.send_response(200)
+        self.send_header('Content-Type', 'text/plain')
+        self.end_headers()
+        self.echo_headers()
+        self.wfile.write(b'-'*20)
+        self.wfile.write(b'\n')
+        self.echo_body()
+
+
+def launch(address: str, port: int):
+    handler = EchoHTTPRequestHandler
+
+    *_, addr = socket.getaddrinfo(address, port,
+                                  type=socket.SOCK_STREAM,
+                                  flags=socket.AI_PASSIVE)[0]
+    with http.server.ThreadingHTTPServer(addr, handler) as httpd:
+        host, port = httpd.server_address
+        print(f"Echoing HTTP on {host}:{port}")
+        try:
+            httpd.serve_forever()
+        except KeyboardInterrupt:
+            print("\nRecieved Keyboard Interput, exitting.")
+            sys.exit(0)
+
+
+if __name__ == "__main__":
+    import argparse
+    # TODO: add help
+    parser = argparse.ArgumentParser(
+        description='A simple http echo server'
+    )
+    parser.add_argument('-b', '--bind', metavar='ADRESS',
+                        help='bind to this address '
+                             '(default: all interfaces)')
+    parser.add_argument('port', default=8000, type=int, nargs='?',
+                        help='bind to this port '
+                             '(default: %(default)s)')
+    args = parser.parse_args()
+    launch(args.bind, args.port)
-- 
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