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Assignment8 #30

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Assignment8 #30

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3c40b4f
Upgrade Marksafe to avoid setuptools bug
Apr 26, 2021
5d88dc1
htmlencode gt and lt
Apr 26, 2021
9588a0d
Add csrf_token
Apr 26, 2021
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23 changes: 16 additions & 7 deletions main.py
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Original file line number Diff line number Diff line change
@@ -1,37 +1,46 @@
import os
import base64
import os
import random

from flask import Flask, request, session

from flask import Flask, request
from model import Message
from model import Message

app = Flask(__name__)
app.secret_key = b'\x9d\xb1u\x08%\xe0\xd0p\x9bEL\xf8JC\xa3\xf4J(hAh\xa4\xcdw\x12S*,u\xec\xb8\xb8'

@app.route('/', methods=['GET', 'POST'])
def home():

if 'csrf_token' not in session:
session['csrf_token'] = str(random.randint(10000000, 99999999))

if request.method == 'POST':
m = Message(content=request.form['content'])
m.save()
if request.form.get('csrf_token', None) == session['csrf_token']:
m = Message(content=request.form['content'])
m.save()

body = """
<html>
<body>
<h1>Class Message Board</h1>
<h2>Contribute to the Knowledge of Others</h2>
<form method="POST">
<input type="hidden" name="csrf_token" value="{}">

<textarea name="content"></textarea>
<input type="submit" value="Submit">
</form>

<h2>Wisdom From Your Fellow Classmates</h2>
"""
""".format(session['csrf_token'])

for m in Message.select():
body += """
<div class="message">
{}
</div>
""".format(m.content)
""".format(m.content.replace('<', '&lt;').replace('>', '&gt;'))

return body

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2 changes: 1 addition & 1 deletion requirements.txt
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Expand Up @@ -2,6 +2,6 @@ click==6.7
Flask==1.0.2
itsdangerous==0.24
Jinja2==2.10
MarkupSafe==1.0
MarkupSafe==1.1.1
peewee==3.3.4
Werkzeug==0.14.1