s396341/mass-scraper
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Refactor app.py and add robust undo functionality.

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Add cookie js disclaimer script in index.html
This commit is contained in:
siulkilulki 2018-05-21 01:09:05 +02:00
parent 0e5dc170f6
commit 916703ed5e
2 changed files with 120 additions and 42 deletions
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108
webapp/app.py
View File

@ -7,10 +7,14 @@ import pickle
import re
import logging
UTT_SCORES = 'utterance-scores'
COOKIE_NAME = 'cookie-hash'
MAX_COOKIES_PER_IP = 5
app = Flask(__name__)
app.logger.setLevel(logging.INFO)
r = redis.StrictRedis(host='localhost', port=6379, db=0)
r = redis.StrictRedis(unix_socket_path='/redis-socket/redis.sock', db=0)
def log(msg):
@ -26,13 +30,7 @@ def load_utterances(filename):
utterances = load_utterances(
'/home/siulkilulki/gitrepos/mass-scraper/utterances.pkl')
UTT_SCORES = 'utterance-scores'
COOKIE_NAME = 'cookie-hash'
# log(utterances[0:2])
#initialize_redis_db
# r.flushdb()
# status = None
status = r.get('status')
if status:
status = status.decode('utf-8')
@ -93,14 +91,13 @@ def get_response_by_index(index, cookie_hash):
return resp
def annotate_redis(yesno, index, ip_addr):
cookie_hash = request.cookies.get(COOKIE_NAME)
def annotate_redis(yesno, index, ip_addr, cookie_hash):
# log('annotate: {}'.format(cookie_hash))
if not cookie_hash:
return None
timestamp = time.time()
annotation = r.get('{}:{}'.format(
cookie_hash, index)) # previous annotation of utterance by that user
if annotation:
# log(annotation.decode('utf-8'))
str_index = int(annotation.decode('utf-8').split(':')[1])
r.setrange(index, str_index, yesno) #sets str_index to yesno value
else:
@ -109,13 +106,19 @@ def annotate_redis(yesno, index, ip_addr):
# log('incrementing index {}, before_val: {}, value: {}'.format(
# index, before, r.zscore(UTT_SCORES, index)))
str_index = r.append(index, yesno) - 1
timestamp = time.time()
r.set('{}:{}'.format(cookie_hash, index), '{}:{}:{}'.format(
yesno, str_index, timestamp))
r.set('{}:{}'.format(cookie_hash, index), '{}:{}:{}:{}'.format(
yesno, str_index, timestamp, ip_addr))
r.set('{}:{}'.format(ip_addr, index), '{}:{}:{}:{}'.format(
yesno, str_index, timestamp, cookie_hash))
undo_cookie_key = 'undo:' + cookie_hash
first_undo_action = r.rpop(undo_cookie_key)
if first_undo_action:
first_undo_action = first_undo_action.decode('utf-8')
if first_undo_action.split(':')[1] != str(index):
r.lpush(cookie_hash, first_undo_action)
while (r.llen(undo_cookie_key) != 0):
r.rpoplpush(undo_cookie_key, cookie_hash)
r.lpush(cookie_hash, '{}:{}:{}'.format(yesno, index, str_index))
return cookie_hash
def set_cookie(js_hash):
@ -137,33 +140,76 @@ def set_cookie(js_hash):
return cookie_hash
def ip_cookies_violation(ttl):
if ttl <= 0:
return None
else:
m, s = divmod(ttl, 60)
h, m = divmod(m, 60)
hour_str = f'{h} godz. ' if h != 0 else ''
minute_str = f'{m} min ' if m != 0 else ''
wait_time_str = hour_str + minute_str + f'{s} sek.'
return jsonify(wait_time_str=wait_time_str)
def undo(cookie_hash):
last_action = r.lpop(cookie_hash)
if last_action:
last_action = last_action.decode('utf-8')
r.rpush('undo:' + cookie_hash, last_action)
index = int(last_action.split(':')[1])
return get_response_by_index(index, cookie_hash)
# if no cookie-hash or action list is empty resp = None
def handle_ip_cookies(ip_key, cookie_hash):
"""mechanism for forcing users to use X cookies per ip but no more than X"""
r.sadd(ip_key, cookie_hash)
if int(r.ttl(ip_key)) == -1:
r.expire(ip_key, 60 * 60 * 3)
log('{}, expire started'.format(ip_key))
def get(cookie_hash):
undo_cookie_key = 'undo:' + cookie_hash
while (r.llen(undo_cookie_key) != 0):
r.rpoplpush(undo_cookie_key, cookie_hash)
return get_next_response(cookie_hash)
def http_post():
index = str(request.form.get('index'))
resp = None
action = request.form['action']
index = int(request.form['index']) if action != 'get' else None
js_hash = request.form['hash']
ip_addr = str(request.headers.get('X-Real-Ip', request.remote_addr))
ip_key = 'ip-cookies:' + ip_addr
ip_key_scard = r.scard(ip_key)
if ip_key_scard >= MAX_COOKIES_PER_IP:
ttl = int(r.ttl(ip_key))
app.logger.warning(
f'MAX_COOKIES_PER_IP violation! ip: {ip_addr}, ttl: {ttl}, scard: {ip_key_scard}, action: {action}, index: {index}'
)
return ip_cookies_violation(ttl)
if action == 'get':
cookie_hash = set_cookie(js_hash)
resp = get_next_response(cookie_hash)
elif action == 'undo':
resp = get(cookie_hash)
else:
cookie_hash = request.cookies.get(COOKIE_NAME)
if cookie_hash:
last_action = r.lpop(cookie_hash)
if last_action:
index = int(last_action.decode('utf-8').split(':')[1])
resp = get_response_by_index(index, cookie_hash)
# if no cookie-hash or action list is empty resp = None
if not cookie_hash:
return None
if action == 'undo':
resp = undo(cookie_hash)
elif action == 'yes':
cookie_hash = annotate_redis('y', index, ip_addr)
if cookie_hash:
resp = get_next_response(cookie_hash)
annotate_redis('y', index, ip_addr, cookie_hash)
resp = get_next_response(cookie_hash)
elif action == 'no':
cookie_hash = annotate_redis('n', index, ip_addr)
if cookie_hash:
resp = get_next_response(cookie_hash)
annotate_redis('n', index, ip_addr, cookie_hash)
resp = get_next_response(cookie_hash)
if resp:
# r.sadd
log(f'ip: {ip_addr}, cookie: {cookie_hash}, hash: {js_hash}, action: {action}, index: {index}'
handle_ip_cookies(ip_key, cookie_hash)
log(f'ip: {ip_addr}, cookie: {cookie_hash}, hash: {js_hash}, action: {action}, index: {index}, ip_scard_before_req: {ip_key_scard}'
)
return resp

54
webapp/templates/index.html
View File

@ -1,6 +1,5 @@
<!doctype html>
<html lang="pl">
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
@ -11,7 +10,32 @@
<title>Annotator mszy świętych</title>
</head>
<!-- Begin Cookie Consent script https://cookiescript.info/ -->
<link rel="stylesheet" type="text/css" href="//cookiescriptcdn.pro/libs/cookieconsent.7.min.css" />
<a id="cookieconsent:learn_more" aria-label="learn more about cookies" role=button tabindex="0" class="cc-link" href="https://cookie-policy.org/" target="_blank">Więcej informacji</a><script>var cookieconsent_ts = 1526746886226; var learnmore2 = document.getElementById("cookieconsent:learn_more");learnmore2.setAttribute("style", "display:none");</script>
<script src="//cookiescriptcdn.pro/libs/cookieconsent.7.min.js"></script>
<script>
window.addEventListener("load", function(){
window.cookieconsent.initialise({
"palette": {
"popup": {
"background": "#000"
},
"button": {
"background": "#f1d600"
}
},
"theme": "classic",
"content": {
"message": "Ta strona używa ciasteczek.",
"dismiss": "Ok",
"link": "Więcej informacji",
"href": "http://wszystkoociasteczkach.pl/po-co-sa-ciasteczka/"
}
})});
</script>
<noscript><a href="https://cookiescript.info/">Cookie consent script</a></noscript>
<!-- End Cookie Consent script -->
<body>
<div class="container">
<div class="container mt-2">
@ -46,6 +70,19 @@
function tell_to_refresh() {
document.getElementById("content").innerHTML = '<p class="lead">Please reload page.</p>'
}
function tell_to_wait(wait_time) {
document.body.innerHTML = `<div class="alert alert-danger" role="alert"> Zaobserowano niebezpieczne akcje z twojego adresu ip. Poczekaj <strong> ${wait_time} </strong> aby znów móc korzystać z serwisu. </div> `
}
function handle_reply(reply) {
if (reply.wait_time_str) {
tell_to_wait(reply.wait_time_str)
} else {
index = reply.index;
update_content(reply);
}
}
var index;
new Fingerprint2().get(function(result, components) {
console.log(result)
@ -56,8 +93,7 @@
console.log("first get");
})
.done(function(reply) {
index = reply.index;
update_content(reply);
handle_reply(reply)
console.log("content set");
})
.fail(function() {
@ -76,8 +112,7 @@
console.log("yes button clicked");
})
.done(function(reply) {
index = reply.index;
update_content(reply);
handle_reply(reply)
window.scrollTo(0, document.body.scrollHeight);
})
.fail(function() {
@ -97,8 +132,7 @@
console.log("no button clicked");
})
.done(function(reply) {
index = reply.index;
update_content(reply);
handle_reply(reply)
window.scrollTo(0, document.body.scrollHeight);
})
.fail(function() {
@ -118,9 +152,7 @@
console.log("undo button clicked");
})
.done(function(reply) {
index = reply.index;
update_content(reply);
console.log("second success");
handle_reply(reply)
})
.fail(function() {
console.log("error");