165 lines
6 KiB
Python
165 lines
6 KiB
Python
import urlparse
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import logging
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import requests
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import os
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import base64
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import json
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from lbrynet.daemon.auth.util import load_api_keys, APIKey, API_KEY_NAME, get_auth_message
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from lbrynet import conf
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from jsonrpc.proxy import JSONRPCProxy
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log = logging.getLogger(__name__)
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USER_AGENT = "AuthServiceProxy/0.1"
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TWISTED_SESSION = "TWISTED_SESSION"
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LBRY_SECRET = "LBRY_SECRET"
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HTTP_TIMEOUT = 30
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class JSONRPCException(Exception):
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def __init__(self, rpc_error):
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Exception.__init__(self)
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self.error = rpc_error
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class AuthAPIClient(object):
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def __init__(self, key, timeout, connection, count, cookies, auth, url, login_url):
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self.__api_key = key
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self.__service_url = login_url
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self.__id_count = count
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self.__url = url
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self.__auth_header = auth
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self.__conn = connection
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self.__cookies = cookies
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def __getattr__(self, name):
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if name.startswith('__') and name.endswith('__'):
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raise AttributeError # Python internal stuff
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def f(*args):
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return self.call(name, args[0] if args else {})
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return f
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def call(self, method, params={}):
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self.__id_count += 1
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pre_auth_post_data = {
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'version': '2',
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'method': method,
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'params': params,
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'id': self.__id_count
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}
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to_auth = get_auth_message(pre_auth_post_data)
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token = self.__api_key.get_hmac(to_auth)
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pre_auth_post_data.update({'hmac': token})
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post_data = json.dumps(pre_auth_post_data)
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service_url = self.__service_url
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auth_header = self.__auth_header
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cookies = self.__cookies
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host = self.__url.hostname
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req = requests.Request(method='POST',
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url=service_url,
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data=post_data,
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headers={
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'Host': host,
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'User-Agent': USER_AGENT,
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'Authorization': auth_header,
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'Content-type': 'application/json'
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},
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cookies=cookies)
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r = req.prepare()
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http_response = self.__conn.send(r)
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cookies = http_response.cookies
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headers = http_response.headers
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next_secret = headers.get(LBRY_SECRET, False)
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if next_secret:
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self.__api_key.secret = next_secret
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self.__cookies = cookies
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if http_response is None:
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raise JSONRPCException({
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'code': -342, 'message': 'missing HTTP response from server'})
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http_response.raise_for_status()
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response = http_response.json()
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if response.get('error') is not None:
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raise JSONRPCException(response['error'])
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elif 'result' not in response:
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raise JSONRPCException({
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'code': -343, 'message': 'missing JSON-RPC result'})
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else:
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return response['result']
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@classmethod
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def config(cls, key_name=None, key=None, pw_path=None,
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timeout=HTTP_TIMEOUT,
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connection=None, count=0,
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cookies=None, auth=None,
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url=None, login_url=None):
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api_key_name = API_KEY_NAME if not key_name else key_name
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pw_path = os.path.join(conf.settings['data_dir'], ".api_keys") if not pw_path else pw_path
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if not key:
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keys = load_api_keys(pw_path)
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api_key = keys.get(api_key_name, False)
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else:
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api_key = APIKey(name=api_key_name, secret=key)
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if login_url is None:
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service_url = "http://%s:%s@%s:%i/%s" % (api_key_name,
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api_key.secret,
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conf.settings['api_host'],
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conf.settings['api_port'],
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conf.settings['API_ADDRESS'])
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else:
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service_url = login_url
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id_count = count
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if auth is None and connection is None and cookies is None and url is None:
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# This is a new client instance, initialize the auth header and start a session
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url = urlparse.urlparse(service_url)
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(user, passwd) = (url.username, url.password)
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try:
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user = user.encode('utf8')
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except AttributeError:
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pass
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try:
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passwd = passwd.encode('utf8')
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except AttributeError:
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pass
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authpair = user + b':' + passwd
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auth_header = b'Basic ' + base64.b64encode(authpair)
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conn = requests.Session()
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conn.auth = (user, passwd)
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req = requests.Request(method='POST',
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url=service_url,
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auth=conn.auth,
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headers={'Host': url.hostname,
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'User-Agent': USER_AGENT,
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'Authorization': auth_header,
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'Content-type': 'application/json'},)
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r = req.prepare()
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http_response = conn.send(r)
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cookies = http_response.cookies
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uid = cookies.get(TWISTED_SESSION)
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api_key = APIKey.new(seed=uid)
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else:
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# This is a client that already has a session, use it
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auth_header = auth
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conn = connection
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assert cookies.get(LBRY_SECRET, False), "Missing cookie"
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secret = cookies.get(LBRY_SECRET)
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api_key = APIKey(secret, api_key_name)
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return cls(api_key, timeout, conn, id_count, cookies, auth_header, url, service_url)
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class LBRYAPIClient(object):
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@staticmethod
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def get_client():
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if not conf.settings:
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conf.initialize_settings()
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return AuthAPIClient.config() if conf.settings['use_auth_http'] else \
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JSONRPCProxy.from_url(conf.settings.get_api_connection_string())
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