socket-http-server/http_server.py at master · kentodd/socket-http-server · GitHub

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import socket
import sys
import mimetypes


def response_ok(body=b"This is a minimal response", mimetype=b"text/plain"):

    return b"\r\n".join([
        b"HTTP/1.1 200 OK",
        b"Content-Type: " + mimetype,
        b"",
        body,
        ])


def parse_request(request):
    """
    Given the content of an HTTP request, returns the uri of that request.

    This server only handles GET requests, so this method shall raise a
    NotImplementedError if the method of the request is not GET.
    """

    method, uri, version = request.split("\r\n")[0].split(" ")

    if method != "GET":
        raise NotImplementedError

    return path


def response_method_not_allowed():
    """Returns a 405 Method Not Allowed response"""

    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"""

    return b"\r\n".join([
        b"HTTP/1.1 404 Not Found",
        b"",
        b"I can't find that"
    ])


def resolve_uri(uri):
    """
    This method should return appropriate content and a mime type.

    If the requested URI is a directory, then the content should be a
    plain-text listing of the contents with mimetype `text/plain`.

    If the URI is a file, it should return the contents of that file
    and its correct mimetype.

    If the URI does not map to a real location, it should raise an
    exception that the server can catch to return a 404 response.

    Ex:
        resolve_uri('/a_web_page.html') -> (b"<html><h1>North Carolina...",
                                            b"text/html")

        resolve_uri('/images/sample_1.png')
                        -> (b"A12BCF...",  # contents of sample_1.png
                            b"image/png")

        resolve_uri('/') -> (b"images/, a_web_page.html, make_type.py,...",
                             b"text/plain")

        resolve_uri('/a_page_that_doesnt_exist.html') -> Raises a NameError

    """

    # TODO: Raise a NameError if the requested content is not present
    # under webroot.

    # TODO: Fill in the appropriate content and mime_type give the URI.
    # See the assignment guidelines for help on "mapping mime-types", though
    # you might need to create a special case for handling make_time.py


    #get url
    from mimetypes import MimeTypes
    path = parse_request()
    mime = MimeTypes()
    mytype = mime.guess_type(path)

    content = b"{}".format(path)
    mime_type = b"{}".format(mytype)

    return content, mime_type


def server(log_buffer=sys.stderr):
    address = ('127.0.0.1', 10000)
    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)
    sock.bind(address)
    sock.listen(1)

    try:
        while True:
            print('waiting for a connection', file=log_buffer)
            conn, addr = sock.accept()  # blocking
            try:
                print('connection - {0}:{1}'.format(*addr), file=log_buffer)

                request = ''
                while True:
                    data = conn.recv(1024)
                    request += data.decode('uft8')

                    if '\r\n\r\b' in request:
                        break

                    print('received "{0}"'.format(data), file=log_buffer)
                    try:
                        path = parse_request()
                    except NotImplementedError:
                        response = response_method_not_allowed()
                    conn.sendall(response)

                    if data:
                        print('sending data back to client', file=log_buffer)
                        conn.sendall(data)
                    else:
                        msg = 'no more data from {0}:{1}'.format(*addr)
                        print(msg, log_buffer)
                        break

                except:
                    traceback.print_exc()
                finally:
                    conn.close()

    except KeyboardInterrupt:
        sock.close()


if __name__ == '__main__':
    server()
    sys.exit(0)