Computer Network HW2 Problem 7 Socket Programming with Python3

Overview

Lab 5: HTTP Web Proxy Server.
A small web proxy server which is able to cache web pages.

Demo

GET POST

Conditional Get(If-Modified-Since) Server response 304

Feature

1. Error handling - Response "404 Not found" response when the link is not applicable.
2. GET - The simple proxy server proxy_server_get.py supports HTTP GET method.
3. POST - The simple proxy server proxy_server_post.py supports HTTP POST method.
4. cache - Support local cache and send 'If-Modified-Since'.

Usage Examples

1. Execute python3 .\proxy_server_get.py 127.0.0.1
   a. Put http://localhost:8888/www.google.com as url on your browser
   b. Put http://localhost:8888/www.posttestserver.com/ as url on your browser
2. Execute python3 .\proxy_server_post.py 127.0.0.1
   a. Put http://localhost:8888/ptsv2.com/t/lztm4-1613635628/post as url on your browser
   b. Put http://localhost:8888/www.posttestserver.com/
3. Caching: A typical proxy server will cache the web pages each time the client makes a particular
   request for the first time. The cache file name is made as url of the website, such as 'www.google.com'

Contributor

Tim Kao (UNI: sk4920)