socialist/socialist.py

132 lines
4.5 KiB
Python

import urllib
import requests
import functools
import oauth2 as oauth
from flask import Flask, request, abort, jsonify, render_template, make_response, json
app = Flask('socialist')
app.config.from_pyfile('socialist.cfg')
consumer_secret = app.config['CONSUMER_SECRET']
consumer_key = app.config['CONSUMER_KEY']
oauth_token = app.config['OAUTH_TOKEN']
oauth_token_secret = app.config['OAUTH_TOKEN_SECRET']
auth_url = app.config['AUTH_URL']
cap_url = app.config['CAP_URL']
api_allowed = app.config['API_AUTHORIZED']
twitter_role = app.config['TWITTER_ROLE']
def api_access(f):
@functools.wraps(f)
def func(*a, **kw):
dn = request.environ.get('PEER_DN')
if dn not in api_allowed:
return abort(403)
return f(*a, **kw)
return func
def get_login():
return request.login
def plain_error(text='Unauthorized', code=401):
return make_response(text, code, { 'Content-Type': 'text/plain' })
def json_error(errors=[{'message': 'Unauthorized', 'code':401}], status_code=401):
res = jsonify(errors = errors)
res.status_code = status_code
return res
def require_role(role, login_source = get_login, error_func = plain_error):
def decorator(f):
@functools.wraps(f)
def func(*a, **kw):
res = requests.get('/'.join((cap_url, role, get_login())), verify = False) # T_T
if res.status_code == 200:
return f(*a, **kw)
else:
return error_func()
return func
return decorator
def irc_dereference(from_parameter = 'nick', to_attribute = 'login', error_func = plain_error):
def decorator(f):
@functools.wraps(f)
def func(*a, **kw):
res = requests.post(auth_url + '/irc', verify = False, # T_T
data = { 'nick': request.form[from_parameter] })
if res.status_code == 200:
request.login = res.text
return f(*a, **kw)
else:
return error_func()
return func
return decorator
def oauth_req(url, http_method = 'GET', data = {}, headers = None):
# za https://dev.twitter.com/docs/auth/oauth/single-user-with-examples#python
from urllib import urlencode
consumer = oauth.Consumer(key=consumer_key, secret=consumer_secret)
token = oauth.Token(key=oauth_token, secret=oauth_token_secret)
client = oauth.Client(consumer, token)
return client.request(
url,
method = http_method,
body = urlencode(data),
headers = headers)
def post_update(entry, format_str, title_shortener, max_title_length):
title = title_shortener(get_text(entry, 'title'), max_title_length)
try:
author = get_text(get_first_child(entry, 'author'), 'name')
except IndexError:
author = 'Somebody'
url = get_first_child(entry, 'link').attributes['href'].value
text = format_str % dict(title=title, author=author, url=url)
logger.info('posting update (text: "%s")' % text)
oauth_req('https://api.twitter.com/1/statuses/update.json', 'POST',
{ 'status': text })
@app.route('/')
def motd():
return render_template('motd.html')
@app.route('/socialist/tweet', methods=['GET'])
def test_form():
return render_template('tweet_form.html')
def irc_authorize(role, role_error):
def decorator(f):
mkerr = lambda ermsg: [{'messages': ermsg, 'code': 401}]
return api_access(
irc_dereference(error_func = lambda: json_error(mkerr('Unknown nick')))(
require_role(role, error_func = lambda: json_error(mkerr(role_error)))(
f)))
return decorator
@app.route('/socialist/tweet', methods=['POST'])
@irc_authorize(twitter_role, 'Unauthorized to tweet')
def irc_tweet():
tw_res = oauth_req('https://api.twitter.com/1.1/statuses/update.json', 'POST',
{ 'status': request.form['text'] })
print tw_res
return make_response(tw_res[1], tw_res[0].status, { 'Content-Type': 'application/json'})
@app.route('/socialist/detweet/<tid>', methods=['POST'])
@irc_authorize(twitter_role, 'Unauthorized to remove tweets')
def irc_detweet(tid):
tw_res = oauth_req('https://api.twitter.com/1.1/statuses/destroy/%s.json' % tid, 'POST')
return make_response(tw_res[1], tw_res[0].status, { 'Content-Type': 'application/json'})
@app.route('/socialist/test', methods=['POST'])
@irc_authorize(twitter_role, "test error")
def irc_test():
return json_error()
app.debug = True
if __name__ == '__main__':
app.run('0.0.0.0', port=8083, debug=True)