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#! /usr/bin/env python3
import cgi
import json
import datetime
import html
def handle_fields():
form = cgi.FieldStorage()
name = form.getvalue("name")
url = form.getvalue("url")
message = form.getvalue("message")
# Nothign was submitted.
if name is None and url is None and message is None:
return ""
if name is None:
return "<p>name is required</p>"
elif message is None:
return "<p>please write a silly something (:</p>"
url = "" if url is None else url
# Make the names safe.
name = html.escape(name)
url = html.escape(url)
message = html.escape(message)
guest_book = []
# Open data if already there.
try:
with open("guest_book.json", "r") as fp:
guest_book = json.load(fp)
except FileNotFoundError:
pass
# Already in list.
for guest in guest_book:
if guest["name"] == name and guest["url"] == url and guest["message"] == message:
return "<p>You already been added</p>"
date = datetime.datetime.now()
guest_entry = {"name": name, "url": url, "message": message, "date": date.strftime("%B, %d %Y")}
# Dump guest to file.
with open("guest_book.json", "w") as fp:
guest_book.append(guest_entry)
json.dump(guest_book, fp, indent=4)
return "<p>You been added to the guest book yippe (:</p><img src=\"../images/yippee.gif\" alt=\"yippee!\"/>"
def get_guest_html_from_list():
guest_html = ""
try:
with open("guest_book.json", "r") as fp:
for guest in json.load(fp)[::-1]:
guest_table = """
<table border="1" width="60%">
<tr>
<td>
<b>{name}</b> <a href="{url}" target="_blank">{url}</a> --- signed {date}
</td>
</tr>
<tr>
<td><p>{message}</p></td>
</tr>
</table>
"""
guest_table = guest_table.format(name=guest["name"], url=guest["url"],
date=guest["date"], message=guest["message"])
guest_html += guest_table
except FileNotFoundError:
guest_html = """
<table border="1" width="60%">
<tr>
<td>
<p>No guest have been added ): But you can be the first!</p>
</td>
</tr>
</table>
"""
return guest_html
def display_html(fields_reponse):
print("Content-Type: text/html")
html_text = """
<!DOCTYPE html>
<html>
<head>
<title>Guest Book</title>
<style>
body {{
color: black;
background-image: url('../images/guest_book_background.png');
}}
table {{
color: black;
background-color: #bebebe;
margin-top: 10px;
margin-bottom: 10px;
margin-left: 10px;
margin-right: 10px;
}}
</style>
</head>
<body>
<a href="../index.html"><img src="../images/back_home.png" alt="Back to home page"/></a>
<center>
<table border="1" width="60%">
<tr>
<td>
<h3>Sign my fucking guest book</h3>
<form action = "guest_book.cgi" method = "get">
<lable for = "name" maxlength="100">Name</lable>
<input type = "text" name = "name"/>
<br/>
<lable for = "url" maxlength="256">Website (Optional)</lable>
<input type = "text" name = "url"/>
<br/><br/>
<lable for = "message">Write a little silly something</lable>
<br/>
<textarea type = "text" name = "message" rows = "4" cols = "40" maxlength="512"></textarea>
<br/>
<input type = "submit" value = "Fucking submit"> <b>You can't delete/edit it afterwards</b>
</form>
<p>
<b>Be nice! Dont be a fucking ass.</b>
</p>
{fields_reponse}
</td>
</tr>
</table>
{guest_html}
</center>
</body>
</html>
"""
html_text = html_text.format(
fields_reponse=fields_reponse,
guest_html=get_guest_html_from_list()
)
print(html_text)
fields_reponse = handle_fields()
display_html(fields_reponse)
|
