From 3e54431184481abd4dbe789e0cc43cf65d459d1e Mon Sep 17 00:00:00 2001
From: Pooria <p.koleyni@gmail.com>
Date: Sun, 2 Feb 2020 19:55:41 -0800
Subject: [PATCH] http_server.py

---
 http_server.py | 85 +++++++++++++++++++++++++++++---------------------
 1 file changed, 49 insertions(+), 36 deletions(-)

diff --git a/http_server.py b/http_server.py
index 58d7386..dfff789 100644
--- a/http_server.py
+++ b/http_server.py
@@ -1,6 +1,8 @@
 import socket
 import sys
 import traceback
+import os
+import mimetypes
 
 def response_ok(body=b"This is a minimal response", mimetype=b"text/plain"):
     """
@@ -19,21 +21,30 @@ def response_ok(body=b"This is a minimal response", mimetype=b"text/plain"):
         '''
     """
 
-    # TODO: Implement response_ok
-    return b""
+    return b"\r\n".join([
+        b"HTTP/1.1 200 OK" ,
+        b"Content-Type: " + mimetype,
+        b"",
+        body,
+    ])
 
 def response_method_not_allowed():
     """Returns a 405 Method Not Allowed response"""
 
-    # TODO: Implement response_method_not_allowed
-    return b""
+    return b"\r\n".join([
+        b"HTTP/1.1 405 Method Not Allowed",
+        b"",
+        b"You can't do that on this server!"
+        ])
 
 
 def response_not_found():
     """Returns a 404 Not Found response"""
 
-    # TODO: Implement response_not_found
-    return b""
+    return b"\r\n".join([
+        b"HTTP/1.1 404 Not Found",
+        b""
+        ])
 
 
 def parse_request(request):
@@ -44,8 +55,11 @@ def parse_request(request):
     NotImplementedError if the method of the request is not GET.
     """
 
-    # TODO: implement parse_request
-    return ""
+    method, path, version = request.split("\r\n")[0].split(" ")
+    if method != "GET":
+        raise NotImplementedError
+    return path
+
 
 def response_path(path):
     """
@@ -75,25 +89,29 @@ def response_path(path):
 
     """
 
-    # TODO: Raise a NameError if the requested content is not present
-    # under webroot.
-
-    # TODO: Fill in the appropriate content and mime_type give the path.
-    # See the assignment guidelines for help on "mapping mime-types", though
-    # you might need to create a special case for handling make_time.py
-    #
-    # If the path is "make_time.py", then you may OPTIONALLY return the
-    # result of executing `make_time.py`. But you need only return the
-    # CONTENTS of `make_time.py`.
-    
-    content = b"not implemented"
-    mime_type = b"not implemented"
-
+    abs_path = 'webroot' + path
+    if not os.path.exists(abs_path):
+        raise NameError
+
+    elif os.path.isfile(abs_path):
+        with open(abs_path, 'rb') as file:
+            content = file.read()
+            content = bytearray(content)
+        mime_type = mimetypes.guess_type(path)[0].encode()
+
+    elif os.path.isdir(abs_path):
+        files = os.listdir(abs_path)
+        content = b""
+        for f in files:
+            content += f.encode() + b"\r\n"
+        mime_type = b"text/plain"
+    else:
+        raise NameError
     return content, mime_type
 
 
 def server(log_buffer=sys.stderr):
-    address = ('127.0.0.1', 10000)
+    address = ('127.0.0.1', 10002)
     sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
     sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
     print("making a server on {0}:{1}".format(*address), file=log_buffer)
@@ -118,20 +136,15 @@ def server(log_buffer=sys.stderr):
 
                 print("Request received:\n{}\n\n".format(request))
 
-                # TODO: Use parse_request to retrieve the path from the request.
-
-                # TODO: Use response_path to retrieve the content and the mimetype,
-                # based on the request path.
+                try :
+                    path = parse_request(request)
+                    content, mimetype = response_path(path)
+                    response = response_ok(content, mimetype)
 
-                # TODO; If parse_request raised a NotImplementedError, then let
-                # response be a method_not_allowed response. If response_path raised
-                # a NameError, then let response be a not_found response. Else,
-                # use the content and mimetype from response_path to build a 
-                # response_ok.
-                response = response_ok(
-                    body=b"Welcome to my web server",
-                    mimetype=b"text/plain"
-                )
+                except NameError:
+                    response = response_not_found()
+                except NotImplementedError:
+                    response = response_method_not_allowed()
 
                 conn.sendall(response)
             except: