Add Assignment 3

http_server.py

@@ -1,6 +1,9 @@
+import os
 import socket
 import sys
 import traceback
+import mimetypes
+
 
 def response_ok(body=b"This is a minimal response", mimetype=b"text/plain"):
     """
@@ -19,22 +22,30 @@ 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"We haven't written that code yet."
+    ])
 
 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"",
+        b"We do not have that resource."
+    ])
 
 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):
     """
@@ -77,6 +91,27 @@ def response_path(path):
 
     # TODO: Raise a NameError if the requested content is not present
     # under webroot.
+    # if path == '/':
+    #     path = ''
+    # elif path.startswith('/'):
+    #     path = path[-1:]
+    try:
+        with open('webroot' + path, 'rb') as resource:
+            content = resource.read()
+            mime_type, encoding = mimetypes.guess_type(path)
+            mime_type = mime_type.encode('utf-8')
+    except IsADirectoryError:
+        content = ''
+        for entry in os.listdir('webroot' + path):
+            content += entry + '\r\n'
+        content = content.encode('utf-8')
+        mime_type = b'text/plain'
+    except OSError:
+        raise NameError
+
+
+
+
 
     # TODO: Fill in the appropriate content and mime_type give the path.
     # See the assignment guidelines for help on "mapping mime-types", though
@@ -86,8 +121,8 @@ def response_path(path):
     # 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"
+    # content = b"not implemented"
+    # mime_type = b"not implemented"
 
     return content, mime_type
 
@@ -114,24 +149,31 @@ def server(log_buffer=sys.stderr):
 
                     if '\r\n\r\n' in request:
                         break
-
 
-                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.
+                print("Request received:\n{}\n\n".format(request))
 
-                # 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"
-                )
+                try:
+                    path = parse_request(request)
+                    content, mimetype = response_path(path)
+                    response = response_ok(body=content, mimetype=mimetype)
+
+                    # TODO: Use response_path to retrieve the content and the mimetype,
+                    # based on the request path.
+
+                    # 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 NotImplementedError:
+                    response = response_method_not_allowed()
+                except NameError:
+                    response = response_not_found()
 
                 conn.sendall(response)
             except: