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# Copyright 2015 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from flask import Flask, render_template, request
from flask_seasurf import SeaSurf
from flask_talisman import Talisman
app = Flask(__name__)
app.secret_key = '123abc'
csrf = SeaSurf(app)
SELF = "'self'"
talisman = Talisman(
app,
content_security_policy={
'default-src': SELF,
'img-src': '*',
'script-src': [
SELF,
'some.cdn.com',
],
'style-src': [
SELF,
'another.cdn.com',
],
},
content_security_policy_nonce_in=['script-src'],
feature_policy={
'geolocation': '\'none\'',
},
permissions_policy={
'geolocation': '()',
}
)
@app.route('/', methods=['GET', 'POST'])
def index():
message = request.form.get('message', None)
return render_template('index.html', message=message)
# Example of a route-specific talisman configuration
@app.route('/embeddable')
@talisman(
frame_options='ALLOW-FROM',
frame_options_allow_from='https://example.com/',
)
def embeddable():
return "<html>I can be embedded.</html>"
if __name__ == '__main__':
app.run(host='127.0.0.1', port=8080, debug=True)
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