MIS 543 Online - Business Data Communications & Networking Project 1: Simple HTTP Client python web_client.py http://localhost:8000/test.html test.html Note here the URL is using port 8000 on the...

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MIS 543 Online


-


Business Data Communications & Networking


Project 1: Simple HTTP Client


python web_client.py


http://localhost:8000/test.html


test.html


Note here the URL is using port 8000 on the localhost (a web server on the local machine). You can use


the simple HTTP server provided by Python to test this feature by typing the following in the command


line/terminal:


python -m http.server 8000 --bind 127.0.0.1


Then the simple HTTP server will start to serve the files in the folder where you start the server. Read


the details at


https://docs.python.org/3/library/http.server.html


.


Once you have parsed the URL, you will need to create an HTTP GET request and send it to the server.


You should include the "Host" header field with HTTP/1.1. After sending the GET request, you need to


receive the response from the server. Save the response body to the specific file.


You are encouraged to use the


socket


-


Low-level networking interface


library for connecting to the


remote server and sending/receiving data (https://docs.python.org/3/library/socket.html). If you use


socket, both the HTTP request and response are just text files (bytes) sending through the connection.


You should use "




n" for


a new line. You can also use other libraries as long as your program meets the


requirements.


There are several useful functions you may need. You may need to ge


t the server's IP address using its


domain name. The


socket.gethostbyname(hostname)


function will take a domain name, invoke the DNS


protocol for you to look up the server's IP address, and return that address as a string.


The


urlparse(URL)


function will take your URL, and parse different components of the URL. See the comments in the starter


code for details.


What to turn in


Turn in your completed


web_client.py


to D2L.


Grading


Your project will be graded by a script which will run the submitted code under a variety of conditions.


These grades will be determined automatically from the results from the script. Therefore, test your


code thoroughly and make sure they pass the following grading criteria before you submit it.


4 pts


HTML Request


The client should be able to request and download HTML files. The


downloaded file should be the same as the original file. You can use


http://www.u.arizona.edu/~weichen/MIS543/test.html


to test.


3 pts


PNG Request


The client should be able to request and download PNG (binary) files. The


downloaded file should be the same as the original file. You can use


http://www.u.arizona.edu/~weichen/MIS543/test.png


to test.


2 pts


Exception


If the server responds with any status code rather than 200 OK, web_client.py


Handling


should put the HTTP response line in the specified file. You can test with a non-


existing file, e.g.,


http://www.u.arizona.edu/~weichen/MIS543/none.html


.


2


MIS 543 Online


-


Business Data Communications & Networking


Project 1: Simple HTTP Client



1 pts


Alternative


The client should be able to handle an alternative port, e.g.,


Port


http://localhost:8000/test.html


. Use the simple HTTP server mentioned above


to test it..

Answered Same DaySep 21, 2022

Answer To: MIS 543 Online - Business Data Communications & Networking Project 1: Simple HTTP Client python...

Aditi answered on Sep 21 2022
64 Votes
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