rebase master
This commit is contained in:
Lex Berezhny
parent
dcc5415648
commit
0845d65f4e
8 changed files with 1 additions and 958 deletions
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@ -32,8 +32,7 @@ from textwrap import dedent
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from lbrynet import conf, log_support, __name__ as lbrynet_name
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from lbrynet import conf, log_support, __name__ as lbrynet_name
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from lbrynet.utils import check_connection, json_dumps_pretty
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from lbrynet.utils import check_connection, json_dumps_pretty
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from lbrynet.extras.daemon.Daemon import Daemon
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from lbrynet.extras.daemon.Daemon import Daemon
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from lbrynet.extras.daemon.DaemonConsole import main as daemon_console
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from lbrynet.extras.daemon.DaemonConsole import main as daemon_console, LBRYAPIClient
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from lbrynet.extras.daemon.auth.client import LBRYAPIClient
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from lbrynet.extras.system_info import get_platform
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from lbrynet.extras.system_info import get_platform
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log = logging.getLogger(lbrynet_name)
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log = logging.getLogger(lbrynet_name)
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@ -1,34 +0,0 @@
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import logging
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from zope.interface import implementer
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from twisted.cred import portal, checkers, credentials, error as cred_error
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from twisted.internet import defer
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from twisted.web import resource
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from lbrynet.extras.daemon.auth.keyring import Keyring
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log = logging.getLogger(__name__)
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@implementer(portal.IRealm)
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class HttpPasswordRealm:
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def __init__(self, resource):
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self.resource = resource
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def requestAvatar(self, avatarId, mind, *interfaces):
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log.debug("Processing request for %s", avatarId)
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if resource.IResource in interfaces:
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return (resource.IResource, self.resource, lambda: None)
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raise NotImplementedError()
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@implementer(checkers.ICredentialsChecker)
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class PasswordChecker:
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credentialInterfaces = (credentials.IUsernamePassword,)
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def __init__(self, keyring: Keyring):
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self.api_key = keyring.api_key
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def requestAvatarId(self, creds):
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if creds.checkPassword(self.api_key.secret.encode()) and creds.username == self.api_key.name.encode():
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return defer.succeed(creds.username)
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log.warning('Incorrect username or password')
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return defer.fail(cred_error.UnauthorizedLogin('Incorrect username or password'))
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@ -1,130 +0,0 @@
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import json
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import aiohttp
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import logging
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from urllib.parse import urlparse
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from lbrynet import conf
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from lbrynet.extras.daemon.auth.keyring import Keyring, APIKey
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log = logging.getLogger(__name__)
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USER_AGENT = "AuthServiceProxy/0.1"
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TWISTED_SECURE_SESSION = "TWISTED_SECURE_SESSION"
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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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super().__init__()
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self.error = rpc_error
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class UnAuthAPIClient:
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def __init__(self, host, port, session):
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self.host = host
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self.port = port
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self.session = session
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def __getattr__(self, method):
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async def f(*args, **kwargs):
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return await self.call(method, [args, kwargs])
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return f
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@classmethod
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async def from_url(cls, url):
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url_fragment = urlparse(url)
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host = url_fragment.hostname
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port = url_fragment.port
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connector = aiohttp.TCPConnector(
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ssl=None if not conf.settings['use_https'] else Keyring.load_from_disk().ssl_context
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)
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session = aiohttp.ClientSession(connector=connector)
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return cls(host, port, session)
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async def call(self, method, params=None):
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message = {'method': method, 'params': params}
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async with self.session.get(conf.settings.get_api_connection_string(), json=message) as resp:
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return await resp.json()
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class AuthAPIClient:
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def __init__(self, key, session, cookies, url, login_url):
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self.session = session
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self.__api_key = key
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self.__login_url = login_url
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self.__id_count = 0
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self.__url = url
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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(name)
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def f(*args, **kwargs):
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return self.call(name, [args, kwargs])
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return f
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async def call(self, method, params=None):
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params = params or {}
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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 = json.dumps(pre_auth_post_data, sort_keys=True)
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auth_msg = self.__api_key.get_hmac(to_auth).decode()
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pre_auth_post_data.update({'hmac': auth_msg})
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post_data = json.dumps(pre_auth_post_data)
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headers = {
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'Host': self.__url.hostname,
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'User-Agent': USER_AGENT,
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'Content-type': 'application/json'
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}
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async with self.session.post(self.__login_url, data=post_data, headers=headers) as resp:
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if resp is None:
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raise JSONRPCException({'code': -342, 'message': 'missing HTTP response from server'})
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resp.raise_for_status()
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next_secret = resp.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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return await resp.json()
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@classmethod
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async def get_client(cls, key_name=None):
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api_key_name = key_name or "api"
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keyring = Keyring.load_from_disk()
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api_key = keyring.api_key
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login_url = conf.settings.get_api_connection_string(api_key_name, api_key.secret)
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url = urlparse(login_url)
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headers = {
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'Host': url.hostname,
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'User-Agent': USER_AGENT,
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'Content-type': 'application/json'
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}
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connector = aiohttp.TCPConnector(ssl=None if not conf.settings['use_https'] else keyring.ssl_context)
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session = aiohttp.ClientSession(connector=connector)
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async with session.post(login_url, headers=headers) as r:
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cookies = r.cookies
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uid = cookies.get(TWISTED_SECURE_SESSION if conf.settings['use_https'] else TWISTED_SESSION).value
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api_key = APIKey.create(seed=uid.encode())
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return cls(api_key, session, cookies, url, login_url)
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class LBRYAPIClient:
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@staticmethod
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def get_client():
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return AuthAPIClient.get_client() if conf.settings['use_auth_http'] else \
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UnAuthAPIClient.from_url(conf.settings.get_api_connection_string())
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import logging
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from twisted.web import server, guard, resource
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from twisted.cred import portal
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from lbrynet import conf
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from lbrynet.extras.daemon.auth.auth import PasswordChecker, HttpPasswordRealm
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from lbrynet.extras.daemon.auth.keyring import Keyring
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log = logging.getLogger(__name__)
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class HTTPJSONRPCFactory(server.Site):
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def __init__(self, resource, keyring, requestFactory=None, *args, **kwargs):
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super().__init__(resource, requestFactory=requestFactory, *args, **kwargs)
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self.use_ssl = False
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class HTTPSJSONRPCFactory(server.Site):
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def __init__(self, resource, keyring, requestFactory=None, *args, **kwargs):
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super().__init__(resource, requestFactory=requestFactory, *args, **kwargs)
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self.options = keyring.private_certificate.options()
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self.use_ssl = True
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class AuthJSONRPCResource(resource.Resource):
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def __init__(self, protocol):
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resource.Resource.__init__(self)
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self.putChild(b"", protocol)
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self.putChild(conf.settings['API_ADDRESS'].encode(), protocol)
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def getChild(self, name, request):
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request.setHeader('cache-control', 'no-cache, no-store, must-revalidate')
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request.setHeader('expires', '0')
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return self if name == '' else resource.Resource.getChild(self, name, request)
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def getServerFactory(self, keyring: Keyring, use_authentication: bool, use_https: bool) -> server.Site:
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factory_class = HTTPSJSONRPCFactory if use_https else HTTPJSONRPCFactory
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if use_authentication:
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log.info("Using authenticated API")
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checker = PasswordChecker(keyring)
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realm = HttpPasswordRealm(self)
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portal_to_realm = portal.Portal(realm, [checker, ])
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root = guard.HTTPAuthSessionWrapper(
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portal_to_realm, [guard.BasicCredentialFactory(b'Login to lbrynet api'), ]
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)
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else:
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log.info("Using non-authenticated API")
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root = self
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return factory_class(root, keyring)
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import os
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import datetime
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import hmac
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import hashlib
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import base58
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import logging
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from OpenSSL.crypto import FILETYPE_PEM
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from ssl import create_default_context, SSLContext
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from cryptography.hazmat.backends import default_backend
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from cryptography import x509
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from cryptography.hazmat.primitives import hashes
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from cryptography.x509.name import NameOID, NameAttribute
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from cryptography.hazmat.primitives.asymmetric import rsa
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from cryptography.hazmat.primitives import serialization
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from twisted.internet import ssl
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from lbrynet import conf
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log = logging.getLogger(__name__)
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def sha(x: bytes) -> str:
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h = hashlib.sha256(x).digest()
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return base58.b58encode(h).decode()
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def generate_key(x: bytes = None) -> str:
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if not x:
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return sha(os.urandom(256))
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else:
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return sha(x)
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class APIKey:
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def __init__(self, secret: str, name: str):
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self.secret = secret
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self.name = name
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@classmethod
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def create(cls, seed=None, name=None):
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secret = generate_key(seed)
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return APIKey(secret, name)
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def _raw_key(self) -> str:
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return base58.b58decode(self.secret)
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def get_hmac(self, message) -> str:
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decoded_key = self._raw_key()
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signature = hmac.new(decoded_key, message.encode(), hashlib.sha256)
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return base58.b58encode(signature.digest())
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def compare_hmac(self, message, token) -> bool:
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decoded_token = base58.b58decode(token)
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target = base58.b58decode(self.get_hmac(message))
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try:
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if len(decoded_token) != len(target):
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return False
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return hmac.compare_digest(decoded_token, target)
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except:
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return False
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class Keyring:
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encoding = serialization.Encoding.PEM
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filetype = FILETYPE_PEM
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def __init__(self, api_key: APIKey, public_certificate: str, private_certificate: ssl.PrivateCertificate = None):
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self.api_key: APIKey = api_key
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self.public_certificate: str = public_certificate
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self.private_certificate: (ssl.PrivateCertificate or None) = private_certificate
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self.ssl_context: SSLContext = create_default_context(cadata=self.public_certificate)
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@classmethod
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def load_from_disk(cls):
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api_key_path = os.path.join(conf.settings.data_dir, 'auth_token')
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api_ssl_cert_path = os.path.join(conf.settings.data_dir, 'api_ssl_cert.pem')
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if not os.path.isfile(api_key_path) or not os.path.isfile(api_ssl_cert_path):
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return
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with open(api_key_path, 'rb') as f:
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api_key = APIKey(f.read().decode(), "api")
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with open(api_ssl_cert_path, 'rb') as f:
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public_cert = f.read().decode()
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return cls(api_key, public_cert)
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@classmethod
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def generate_and_save(cls):
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dns = conf.settings['api_host']
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private_key = rsa.generate_private_key(
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public_exponent=65537,
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key_size=4096,
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backend=default_backend()
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)
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subject = issuer = x509.Name([
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NameAttribute(NameOID.COUNTRY_NAME, "US"),
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NameAttribute(NameOID.ORGANIZATION_NAME, "LBRY"),
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NameAttribute(NameOID.COMMON_NAME, "LBRY API"),
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])
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alternative_name = x509.SubjectAlternativeName([x509.DNSName(dns)])
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certificate = x509.CertificateBuilder(
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subject_name=subject,
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issuer_name=issuer,
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public_key=private_key.public_key(),
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serial_number=x509.random_serial_number(),
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not_valid_before=datetime.datetime.utcnow(),
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not_valid_after=datetime.datetime.utcnow() + datetime.timedelta(days=365),
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extensions=[x509.Extension(oid=alternative_name.oid, critical=False, value=alternative_name)]
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).sign(private_key, hashes.SHA256(), default_backend())
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public_certificate = certificate.public_bytes(cls.encoding).decode()
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private_certificate = ssl.PrivateCertificate.load(
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public_certificate,
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ssl.KeyPair.load(
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private_key.private_bytes(
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encoding=cls.encoding,
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format=serialization.PrivateFormat.TraditionalOpenSSL,
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encryption_algorithm=serialization.NoEncryption()
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).decode(),
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cls.filetype
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),
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cls.filetype
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)
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auth_token = APIKey.create(seed=None, name="api")
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with open(os.path.join(conf.settings.data_dir, 'auth_token'), 'wb') as f:
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f.write(auth_token.secret.encode())
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with open(os.path.join(conf.settings.data_dir, 'api_ssl_cert.pem'), 'wb') as f:
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f.write(public_certificate.encode())
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return cls(auth_token, public_certificate, private_certificate)
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@ -1,611 +0,0 @@
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import asyncio
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import logging
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from urllib import parse as urlparse
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import json
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import inspect
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import signal
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from functools import wraps
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from twisted.web import server
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from twisted.internet import defer
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||||||
from twisted.internet.defer import Deferred
|
|
||||||
from twisted.python.failure import Failure
|
|
||||||
from twisted.internet.error import ConnectionDone, ConnectionLost
|
|
||||||
from txjsonrpc import jsonrpclib
|
|
||||||
from traceback import format_exc
|
|
||||||
|
|
||||||
from lbrynet import conf, utils
|
|
||||||
from lbrynet.extras.daemon import analytics
|
|
||||||
from lbrynet.p2p.Error import InvalidAuthenticationToken
|
|
||||||
from lbrynet.p2p.Error import ComponentsNotStarted, ComponentStartConditionNotMet
|
|
||||||
from lbrynet.extras.looping_call_manager import LoopingCallManager
|
|
||||||
from lbrynet.extras.daemon.ComponentManager import ComponentManager
|
|
||||||
from lbrynet.extras.daemon.auth.keyring import APIKey, Keyring
|
|
||||||
from lbrynet.extras.daemon.auth.undecorated import undecorated
|
|
||||||
from lbrynet.extras.daemon.auth.factory import AuthJSONRPCResource
|
|
||||||
from lbrynet.extras.daemon.json_response_encoder import JSONResponseEncoder
|
|
||||||
|
|
||||||
log = logging.getLogger(__name__)
|
|
||||||
|
|
||||||
EMPTY_PARAMS = [{}]
|
|
||||||
LBRY_SECRET = "LBRY_SECRET"
|
|
||||||
|
|
||||||
|
|
||||||
class JSONRPCError:
|
|
||||||
# http://www.jsonrpc.org/specification#error_object
|
|
||||||
CODE_PARSE_ERROR = -32700 # Invalid JSON. Error while parsing the JSON text.
|
|
||||||
CODE_INVALID_REQUEST = -32600 # The JSON sent is not a valid Request object.
|
|
||||||
CODE_METHOD_NOT_FOUND = -32601 # The method does not exist / is not available.
|
|
||||||
CODE_INVALID_PARAMS = -32602 # Invalid method parameter(s).
|
|
||||||
CODE_INTERNAL_ERROR = -32603 # Internal JSON-RPC error (I think this is like a 500?)
|
|
||||||
CODE_APPLICATION_ERROR = -32500 # Generic error with our app??
|
|
||||||
CODE_AUTHENTICATION_ERROR = -32501 # Authentication failed
|
|
||||||
|
|
||||||
MESSAGES = {
|
|
||||||
CODE_PARSE_ERROR: "Parse Error. Data is not valid JSON.",
|
|
||||||
CODE_INVALID_REQUEST: "JSON data is not a valid Request",
|
|
||||||
CODE_METHOD_NOT_FOUND: "Method Not Found",
|
|
||||||
CODE_INVALID_PARAMS: "Invalid Params",
|
|
||||||
CODE_INTERNAL_ERROR: "Internal Error",
|
|
||||||
CODE_AUTHENTICATION_ERROR: "Authentication Failed",
|
|
||||||
}
|
|
||||||
|
|
||||||
HTTP_CODES = {
|
|
||||||
CODE_INVALID_REQUEST: 400,
|
|
||||||
CODE_PARSE_ERROR: 400,
|
|
||||||
CODE_INVALID_PARAMS: 400,
|
|
||||||
CODE_METHOD_NOT_FOUND: 404,
|
|
||||||
CODE_INTERNAL_ERROR: 500,
|
|
||||||
CODE_APPLICATION_ERROR: 500,
|
|
||||||
CODE_AUTHENTICATION_ERROR: 401,
|
|
||||||
}
|
|
||||||
|
|
||||||
def __init__(self, message, code=CODE_APPLICATION_ERROR, traceback=None, data=None):
|
|
||||||
assert isinstance(code, int), "'code' must be an int"
|
|
||||||
assert (data is None or isinstance(data, dict)), "'data' must be None or a dict"
|
|
||||||
self.code = code
|
|
||||||
if message is None:
|
|
||||||
message = self.MESSAGES[code] if code in self.MESSAGES else "API Error"
|
|
||||||
self.message = message
|
|
||||||
self.data = {} if data is None else data
|
|
||||||
self.traceback = []
|
|
||||||
if traceback is not None:
|
|
||||||
trace_lines = traceback.split("\n")
|
|
||||||
for i, t in enumerate(trace_lines):
|
|
||||||
if "--- <exception caught here> ---" in t:
|
|
||||||
if len(trace_lines) > i + 1:
|
|
||||||
self.traceback = [j for j in trace_lines[i+1:] if j]
|
|
||||||
break
|
|
||||||
|
|
||||||
def to_dict(self):
|
|
||||||
return {
|
|
||||||
'code': self.code,
|
|
||||||
'message': self.message,
|
|
||||||
'data': self.traceback
|
|
||||||
}
|
|
||||||
|
|
||||||
@classmethod
|
|
||||||
def create_from_exception(cls, message, code=CODE_APPLICATION_ERROR, traceback=None):
|
|
||||||
return cls(message, code=code, traceback=traceback)
|
|
||||||
|
|
||||||
|
|
||||||
class UnknownAPIMethodError(Exception):
|
|
||||||
pass
|
|
||||||
|
|
||||||
|
|
||||||
def trap(err, *to_trap):
|
|
||||||
err.trap(*to_trap)
|
|
||||||
|
|
||||||
|
|
||||||
def jsonrpc_dumps_pretty(obj, **kwargs):
|
|
||||||
try:
|
|
||||||
id_ = kwargs.pop("id")
|
|
||||||
except KeyError:
|
|
||||||
id_ = None
|
|
||||||
|
|
||||||
if isinstance(obj, JSONRPCError):
|
|
||||||
data = {"jsonrpc": "2.0", "error": obj.to_dict(), "id": id_}
|
|
||||||
else:
|
|
||||||
data = {"jsonrpc": "2.0", "result": obj, "id": id_}
|
|
||||||
|
|
||||||
return json.dumps(data, cls=JSONResponseEncoder, sort_keys=True, indent=2, **kwargs) + "\n"
|
|
||||||
|
|
||||||
|
|
||||||
class JSONRPCServerType(type):
|
|
||||||
def __new__(mcs, name, bases, newattrs):
|
|
||||||
klass = type.__new__(mcs, name, bases, newattrs)
|
|
||||||
klass.callable_methods = {}
|
|
||||||
klass.deprecated_methods = {}
|
|
||||||
|
|
||||||
for methodname in dir(klass):
|
|
||||||
if methodname.startswith("jsonrpc_"):
|
|
||||||
method = getattr(klass, methodname)
|
|
||||||
if not hasattr(method, '_deprecated'):
|
|
||||||
klass.callable_methods.update({methodname.split("jsonrpc_")[1]: method})
|
|
||||||
else:
|
|
||||||
klass.deprecated_methods.update({methodname.split("jsonrpc_")[1]: method})
|
|
||||||
return klass
|
|
||||||
|
|
||||||
|
|
||||||
class AuthorizedBase(metaclass=JSONRPCServerType):
|
|
||||||
|
|
||||||
@staticmethod
|
|
||||||
def deprecated(new_command=None):
|
|
||||||
def _deprecated_wrapper(f):
|
|
||||||
f.new_command = new_command
|
|
||||||
f._deprecated = True
|
|
||||||
return f
|
|
||||||
return _deprecated_wrapper
|
|
||||||
|
|
||||||
@staticmethod
|
|
||||||
def requires(*components, **conditions):
|
|
||||||
if conditions and ["conditions"] != list(conditions.keys()):
|
|
||||||
raise SyntaxError("invalid conditions argument")
|
|
||||||
condition_names = conditions.get("conditions", [])
|
|
||||||
|
|
||||||
def _wrap(fn):
|
|
||||||
@wraps(fn)
|
|
||||||
def _inner(*args, **kwargs):
|
|
||||||
component_manager = args[0].component_manager
|
|
||||||
for condition_name in condition_names:
|
|
||||||
condition_result, err_msg = component_manager.evaluate_condition(condition_name)
|
|
||||||
if not condition_result:
|
|
||||||
raise ComponentStartConditionNotMet(err_msg)
|
|
||||||
if not component_manager.all_components_running(*components):
|
|
||||||
raise ComponentsNotStarted("the following required components have not yet started: "
|
|
||||||
"%s" % json.dumps(components))
|
|
||||||
return fn(*args, **kwargs)
|
|
||||||
return _inner
|
|
||||||
return _wrap
|
|
||||||
|
|
||||||
|
|
||||||
class AuthJSONRPCServer(AuthorizedBase):
|
|
||||||
"""
|
|
||||||
Authorized JSONRPC server used as the base class for the LBRY API
|
|
||||||
|
|
||||||
API methods are named with a leading "jsonrpc_"
|
|
||||||
|
|
||||||
Attributes:
|
|
||||||
sessions (dict): (dict): {<session id>: <lbrynet.daemon.auth.util.APIKey>}
|
|
||||||
callable_methods (dict): {<api method name>: <api method>}
|
|
||||||
|
|
||||||
Authentication:
|
|
||||||
If use_authentication is true, basic HTTP and HMAC authentication will be used for all requests and the
|
|
||||||
service url will require a username and password.
|
|
||||||
|
|
||||||
To start an authenticated session a client sends an HTTP POST to <user>:<password>@<api host>:<api port>.
|
|
||||||
If accepted, the server replies with a TWISTED_SESSION cookie containing a session id and the message "OK".
|
|
||||||
The client initializes their shared secret for hmac to be the b64 encoded sha256 of their session id.
|
|
||||||
|
|
||||||
To send an authenticated request a client sends an HTTP POST to the auth api url with the TWISTED_SESSION
|
|
||||||
cookie and includes a hmac token in the message using the previously set shared secret. If the token is valid
|
|
||||||
the server will randomize the shared secret and return the new value under the LBRY_SECRET header, which the
|
|
||||||
client uses to generate the token for their next request.
|
|
||||||
"""
|
|
||||||
#implements(resource.IResource)
|
|
||||||
|
|
||||||
isLeaf = True
|
|
||||||
allowed_during_startup = []
|
|
||||||
component_attributes = {}
|
|
||||||
|
|
||||||
def __init__(self, analytics_manager=None, component_manager=None, use_authentication=None, use_https=None,
|
|
||||||
to_skip=None, looping_calls=None, reactor=None):
|
|
||||||
if not reactor:
|
|
||||||
from twisted.internet import reactor
|
|
||||||
self.analytics_manager = analytics_manager or analytics.Manager.new_instance()
|
|
||||||
self.component_manager = component_manager or ComponentManager(
|
|
||||||
analytics_manager=self.analytics_manager,
|
|
||||||
skip_components=to_skip or [],
|
|
||||||
reactor=reactor
|
|
||||||
)
|
|
||||||
self.looping_call_manager = LoopingCallManager({n: lc for n, (lc, t) in (looping_calls or {}).items()})
|
|
||||||
self._looping_call_times = {n: t for n, (lc, t) in (looping_calls or {}).items()}
|
|
||||||
self._use_authentication = use_authentication or conf.settings['use_auth_http']
|
|
||||||
self._use_https = use_https or conf.settings['use_https']
|
|
||||||
self.listening_port = None
|
|
||||||
self._component_setup_deferred = None
|
|
||||||
self.announced_startup = False
|
|
||||||
self.sessions = {}
|
|
||||||
self.server = None
|
|
||||||
|
|
||||||
@defer.inlineCallbacks
|
|
||||||
def start_listening(self):
|
|
||||||
from twisted.internet import reactor, error as tx_error
|
|
||||||
|
|
||||||
try:
|
|
||||||
self.server = self.get_server_factory()
|
|
||||||
if self.server.use_ssl:
|
|
||||||
log.info("Using SSL")
|
|
||||||
self.listening_port = reactor.listenSSL(
|
|
||||||
conf.settings['api_port'], self.server, self.server.options, interface=conf.settings['api_host']
|
|
||||||
)
|
|
||||||
else:
|
|
||||||
log.info("Not using SSL")
|
|
||||||
self.listening_port = reactor.listenTCP(
|
|
||||||
conf.settings['api_port'], self.server, interface=conf.settings['api_host']
|
|
||||||
)
|
|
||||||
log.info("lbrynet API listening on TCP %s:%i", conf.settings['api_host'], conf.settings['api_port'])
|
|
||||||
yield self.setup()
|
|
||||||
self.analytics_manager.send_server_startup_success()
|
|
||||||
except tx_error.CannotListenError:
|
|
||||||
log.error('lbrynet API failed to bind TCP %s:%i for listening. Daemon is already running or this port is '
|
|
||||||
'already in use by another application.', conf.settings['api_host'], conf.settings['api_port'])
|
|
||||||
reactor.fireSystemEvent("shutdown")
|
|
||||||
except defer.CancelledError:
|
|
||||||
log.info("shutting down before finished starting")
|
|
||||||
reactor.fireSystemEvent("shutdown")
|
|
||||||
except Exception as err:
|
|
||||||
self.analytics_manager.send_server_startup_error(str(err))
|
|
||||||
log.exception('Failed to start lbrynet-daemon')
|
|
||||||
reactor.fireSystemEvent("shutdown")
|
|
||||||
|
|
||||||
def setup(self):
|
|
||||||
from twisted.internet import reactor
|
|
||||||
|
|
||||||
reactor.addSystemEventTrigger('before', 'shutdown', self._shutdown)
|
|
||||||
if not self.analytics_manager.is_started:
|
|
||||||
self.analytics_manager.start()
|
|
||||||
self.analytics_manager.send_server_startup()
|
|
||||||
for lc_name, lc_time in self._looping_call_times.items():
|
|
||||||
self.looping_call_manager.start(lc_name, lc_time)
|
|
||||||
|
|
||||||
def update_attribute(setup_result, component):
|
|
||||||
setattr(self, self.component_attributes[component.component_name], component.component)
|
|
||||||
|
|
||||||
kwargs = {component: update_attribute for component in self.component_attributes.keys()}
|
|
||||||
self._component_setup_deferred = self.component_manager.setup(**kwargs)
|
|
||||||
return self._component_setup_deferred
|
|
||||||
|
|
||||||
@staticmethod
|
|
||||||
def _already_shutting_down(sig_num, frame):
|
|
||||||
log.info("Already shutting down")
|
|
||||||
|
|
||||||
def _shutdown(self):
|
|
||||||
# ignore INT/TERM signals once shutdown has started
|
|
||||||
signal.signal(signal.SIGINT, self._already_shutting_down)
|
|
||||||
signal.signal(signal.SIGTERM, self._already_shutting_down)
|
|
||||||
if self.listening_port:
|
|
||||||
self.listening_port.stopListening()
|
|
||||||
self.looping_call_manager.shutdown()
|
|
||||||
if self.server is not None:
|
|
||||||
for session in list(self.server.sessions.values()):
|
|
||||||
session.expire()
|
|
||||||
if self.analytics_manager:
|
|
||||||
self.analytics_manager.shutdown()
|
|
||||||
try:
|
|
||||||
self._component_setup_deferred.cancel()
|
|
||||||
except (AttributeError, defer.CancelledError):
|
|
||||||
pass
|
|
||||||
if self.component_manager is not None:
|
|
||||||
d = self.component_manager.stop()
|
|
||||||
d.addErrback(log.fail(), 'Failure while shutting down')
|
|
||||||
else:
|
|
||||||
d = defer.succeed(None)
|
|
||||||
return d
|
|
||||||
|
|
||||||
def get_server_factory(self):
|
|
||||||
keyring = None
|
|
||||||
if self._use_authentication or self._use_https:
|
|
||||||
keyring = Keyring.generate_and_save()
|
|
||||||
return AuthJSONRPCResource(self).getServerFactory(keyring, self._use_authentication, self._use_https)
|
|
||||||
|
|
||||||
def _set_headers(self, request, data, update_secret=False):
|
|
||||||
if conf.settings['allowed_origin']:
|
|
||||||
request.setHeader("Access-Control-Allow-Origin", conf.settings['allowed_origin'])
|
|
||||||
request.setHeader("Content-Type", "application/json")
|
|
||||||
request.setHeader("Accept", "application/json-rpc")
|
|
||||||
request.setHeader("Content-Length", str(len(data)))
|
|
||||||
if update_secret:
|
|
||||||
session_id = request.getSession().uid
|
|
||||||
request.setHeader(LBRY_SECRET, self.sessions.get(session_id).secret)
|
|
||||||
|
|
||||||
@staticmethod
|
|
||||||
def _render_message(request, message: str):
|
|
||||||
request.write(message.encode())
|
|
||||||
request.finish()
|
|
||||||
|
|
||||||
def _render_error(self, failure, request, id_):
|
|
||||||
if isinstance(failure, JSONRPCError):
|
|
||||||
error = failure
|
|
||||||
elif isinstance(failure, Failure):
|
|
||||||
# maybe failure is JSONRPCError wrapped in a twisted Failure
|
|
||||||
error = failure.check(JSONRPCError)
|
|
||||||
if error is None:
|
|
||||||
# maybe its a twisted Failure with another type of error
|
|
||||||
if hasattr(failure.type, "code"):
|
|
||||||
error_code = failure.type.code
|
|
||||||
else:
|
|
||||||
error_code = JSONRPCError.CODE_APPLICATION_ERROR
|
|
||||||
error = JSONRPCError.create_from_exception(
|
|
||||||
failure.getErrorMessage() or failure.type.__name__,
|
|
||||||
code=error_code,
|
|
||||||
traceback=failure.getTraceback()
|
|
||||||
)
|
|
||||||
if not failure.check(ComponentsNotStarted, ComponentStartConditionNotMet):
|
|
||||||
log.warning("error processing api request: %s\ntraceback: %s", error.message,
|
|
||||||
"\n".join(error.traceback))
|
|
||||||
else:
|
|
||||||
# last resort, just cast it as a string
|
|
||||||
error = JSONRPCError(str(failure))
|
|
||||||
|
|
||||||
response_content = jsonrpc_dumps_pretty(error, id=id_, ledger=self.ledger)
|
|
||||||
self._set_headers(request, response_content)
|
|
||||||
request.setResponseCode(200)
|
|
||||||
self._render_message(request, response_content)
|
|
||||||
|
|
||||||
@staticmethod
|
|
||||||
def _handle_dropped_request(result, d, function_name):
|
|
||||||
if not d.called:
|
|
||||||
log.warning("Cancelling dropped api request %s", function_name)
|
|
||||||
d.cancel()
|
|
||||||
|
|
||||||
def render(self, request):
|
|
||||||
try:
|
|
||||||
return self._render(request)
|
|
||||||
except BaseException as e:
|
|
||||||
log.error(e)
|
|
||||||
error = JSONRPCError.create_from_exception(str(e), traceback=format_exc())
|
|
||||||
self._render_error(error, request, None)
|
|
||||||
return server.NOT_DONE_YET
|
|
||||||
|
|
||||||
def _render(self, request):
|
|
||||||
time_in = utils.now()
|
|
||||||
# if not self._check_headers(request):
|
|
||||||
# self._render_error(Failure(InvalidHeaderError()), request, None)
|
|
||||||
# return server.NOT_DONE_YET
|
|
||||||
session = request.getSession()
|
|
||||||
session_id = session.uid
|
|
||||||
finished_deferred = request.notifyFinish()
|
|
||||||
|
|
||||||
if self._use_authentication:
|
|
||||||
# if this is a new session, send a new secret and set the expiration
|
|
||||||
# otherwise, session.touch()
|
|
||||||
if self._initialize_session(session_id):
|
|
||||||
def expire_session():
|
|
||||||
self._unregister_user_session(session_id)
|
|
||||||
|
|
||||||
session.notifyOnExpire(expire_session)
|
|
||||||
message = "OK"
|
|
||||||
request.setResponseCode(200)
|
|
||||||
self._set_headers(request, message, True)
|
|
||||||
self._render_message(request, message)
|
|
||||||
return server.NOT_DONE_YET
|
|
||||||
else:
|
|
||||||
session.touch()
|
|
||||||
|
|
||||||
request.content.seek(0, 0)
|
|
||||||
content = request.content.read().decode()
|
|
||||||
try:
|
|
||||||
parsed = jsonrpclib.loads(content)
|
|
||||||
except json.JSONDecodeError:
|
|
||||||
log.warning("Unable to decode request json")
|
|
||||||
self._render_error(JSONRPCError(None, code=JSONRPCError.CODE_PARSE_ERROR), request, None)
|
|
||||||
return server.NOT_DONE_YET
|
|
||||||
|
|
||||||
request_id = None
|
|
||||||
try:
|
|
||||||
function_name = parsed.get('method')
|
|
||||||
args = parsed.get('params', {})
|
|
||||||
request_id = parsed.get('id', None)
|
|
||||||
token = parsed.pop('hmac', None)
|
|
||||||
except AttributeError as err:
|
|
||||||
log.warning(err)
|
|
||||||
self._render_error(
|
|
||||||
JSONRPCError(None, code=JSONRPCError.CODE_INVALID_REQUEST), request, request_id
|
|
||||||
)
|
|
||||||
return server.NOT_DONE_YET
|
|
||||||
|
|
||||||
reply_with_next_secret = False
|
|
||||||
if self._use_authentication:
|
|
||||||
try:
|
|
||||||
self._verify_token(session_id, parsed, token)
|
|
||||||
except InvalidAuthenticationToken as err:
|
|
||||||
log.warning("API validation failed")
|
|
||||||
self._render_error(
|
|
||||||
JSONRPCError.create_from_exception(
|
|
||||||
str(err),
|
|
||||||
code=JSONRPCError.CODE_AUTHENTICATION_ERROR,
|
|
||||||
traceback=format_exc()
|
|
||||||
),
|
|
||||||
request, request_id
|
|
||||||
)
|
|
||||||
return server.NOT_DONE_YET
|
|
||||||
request.addCookie("TWISTED_SESSION", session_id)
|
|
||||||
self._update_session_secret(session_id)
|
|
||||||
reply_with_next_secret = True
|
|
||||||
|
|
||||||
try:
|
|
||||||
fn = self._get_jsonrpc_method(function_name)
|
|
||||||
except UnknownAPIMethodError as err:
|
|
||||||
log.warning('Failed to get function %s: %s', function_name, err)
|
|
||||||
self._render_error(
|
|
||||||
JSONRPCError(None, code=JSONRPCError.CODE_METHOD_NOT_FOUND),
|
|
||||||
request, request_id
|
|
||||||
)
|
|
||||||
return server.NOT_DONE_YET
|
|
||||||
|
|
||||||
if args in (EMPTY_PARAMS, []):
|
|
||||||
_args, _kwargs = (), {}
|
|
||||||
elif isinstance(args, dict):
|
|
||||||
_args, _kwargs = (), args
|
|
||||||
elif len(args) == 1 and isinstance(args[0], dict):
|
|
||||||
# TODO: this is for backwards compatibility. Remove this once API and UI are updated
|
|
||||||
# TODO: also delete EMPTY_PARAMS then
|
|
||||||
_args, _kwargs = (), args[0]
|
|
||||||
elif len(args) == 2 and isinstance(args[0], list) and isinstance(args[1], dict):
|
|
||||||
_args, _kwargs = args
|
|
||||||
else:
|
|
||||||
raise ValueError('invalid args format')
|
|
||||||
|
|
||||||
params_error, erroneous_params = self._check_params(fn, _args, _kwargs)
|
|
||||||
if params_error is not None:
|
|
||||||
params_error_message = '{} for {} command: {}'.format(
|
|
||||||
params_error, function_name, ', '.join(erroneous_params)
|
|
||||||
)
|
|
||||||
log.warning(params_error_message)
|
|
||||||
self._render_error(
|
|
||||||
JSONRPCError(params_error_message, code=JSONRPCError.CODE_INVALID_PARAMS),
|
|
||||||
request, request_id
|
|
||||||
)
|
|
||||||
return server.NOT_DONE_YET
|
|
||||||
|
|
||||||
try:
|
|
||||||
result = fn(self, *_args, **_kwargs)
|
|
||||||
if isinstance(result, Deferred):
|
|
||||||
d = result
|
|
||||||
elif isinstance(result, Failure):
|
|
||||||
d = defer.fail(result)
|
|
||||||
elif asyncio.iscoroutine(result):
|
|
||||||
d = Deferred.fromFuture(asyncio.ensure_future(result))
|
|
||||||
else:
|
|
||||||
d = defer.succeed(result)
|
|
||||||
except:
|
|
||||||
d = defer.fail(Failure(captureVars=Deferred.debug))
|
|
||||||
|
|
||||||
# finished_deferred will callback when the request is finished
|
|
||||||
# and errback if something went wrong. If the errback is
|
|
||||||
# called, cancel the deferred stack. This is to prevent
|
|
||||||
# request.finish() from being called on a closed request.
|
|
||||||
finished_deferred.addErrback(self._handle_dropped_request, d, function_name)
|
|
||||||
|
|
||||||
d.addCallback(self._callback_render, request, request_id, reply_with_next_secret)
|
|
||||||
d.addErrback(trap, ConnectionDone, ConnectionLost, defer.CancelledError)
|
|
||||||
d.addErrback(self._render_error, request, request_id)
|
|
||||||
d.addBoth(lambda _: log.debug("%s took %f",
|
|
||||||
function_name,
|
|
||||||
(utils.now() - time_in).total_seconds()))
|
|
||||||
return server.NOT_DONE_YET
|
|
||||||
|
|
||||||
def _register_user_session(self, session_id):
|
|
||||||
"""
|
|
||||||
Add or update a HMAC secret for a session
|
|
||||||
|
|
||||||
@param session_id:
|
|
||||||
@return: secret
|
|
||||||
"""
|
|
||||||
log.info("Started new api session")
|
|
||||||
token = APIKey.create(seed=session_id)
|
|
||||||
self.sessions.update({session_id: token})
|
|
||||||
|
|
||||||
def _unregister_user_session(self, session_id):
|
|
||||||
log.info("Unregister API session")
|
|
||||||
del self.sessions[session_id]
|
|
||||||
|
|
||||||
def _check_headers(self, request):
|
|
||||||
return (
|
|
||||||
self._check_header_source(request, 'Origin') and
|
|
||||||
self._check_header_source(request, 'Referer')
|
|
||||||
)
|
|
||||||
|
|
||||||
def _check_header_source(self, request, header):
|
|
||||||
"""Check if the source of the request is allowed based on the header value."""
|
|
||||||
source = request.getHeader(header)
|
|
||||||
if not self._check_source_of_request(source):
|
|
||||||
log.warning("Attempted api call from invalid %s: %s", header, source)
|
|
||||||
return False
|
|
||||||
return True
|
|
||||||
|
|
||||||
def _check_source_of_request(self, source):
|
|
||||||
if source is None:
|
|
||||||
return True
|
|
||||||
if conf.settings['api_host'] == '0.0.0.0':
|
|
||||||
return True
|
|
||||||
server, port = self.get_server_port(source)
|
|
||||||
return self._check_server_port(server, port)
|
|
||||||
|
|
||||||
def _check_server_port(self, server, port):
|
|
||||||
api = (conf.settings['api_host'], conf.settings['api_port'])
|
|
||||||
return (server, port) == api or self._is_from_allowed_origin(server, port)
|
|
||||||
|
|
||||||
def _is_from_allowed_origin(self, server, port):
|
|
||||||
allowed_origin = conf.settings['allowed_origin']
|
|
||||||
if not allowed_origin:
|
|
||||||
return False
|
|
||||||
if allowed_origin == '*':
|
|
||||||
return True
|
|
||||||
allowed_server, allowed_port = self.get_server_port(allowed_origin)
|
|
||||||
return (allowed_server, allowed_port) == (server, port)
|
|
||||||
|
|
||||||
def get_server_port(self, origin):
|
|
||||||
parsed = urlparse.urlparse(origin)
|
|
||||||
server_port = parsed.netloc.split(':')
|
|
||||||
assert len(server_port) <= 2
|
|
||||||
if len(server_port) == 2:
|
|
||||||
return server_port[0], int(server_port[1])
|
|
||||||
else:
|
|
||||||
return server_port[0], 80
|
|
||||||
|
|
||||||
def _verify_method_is_callable(self, function_path):
|
|
||||||
if function_path not in self.callable_methods:
|
|
||||||
raise UnknownAPIMethodError(function_path)
|
|
||||||
|
|
||||||
def _get_jsonrpc_method(self, function_path):
|
|
||||||
if function_path in self.deprecated_methods:
|
|
||||||
new_command = self.deprecated_methods[function_path].new_command
|
|
||||||
log.warning('API function \"%s\" is deprecated, please update to use \"%s\"',
|
|
||||||
function_path, new_command)
|
|
||||||
function_path = new_command
|
|
||||||
self._verify_method_is_callable(function_path)
|
|
||||||
return self.callable_methods.get(function_path)
|
|
||||||
|
|
||||||
@staticmethod
|
|
||||||
def _check_params(function, args_tup, args_dict):
|
|
||||||
argspec = inspect.getfullargspec(undecorated(function))
|
|
||||||
num_optional_params = 0 if argspec.defaults is None else len(argspec.defaults)
|
|
||||||
|
|
||||||
duplicate_params = [
|
|
||||||
duplicate_param
|
|
||||||
for duplicate_param in argspec.args[1:len(args_tup) + 1]
|
|
||||||
if duplicate_param in args_dict
|
|
||||||
]
|
|
||||||
|
|
||||||
if duplicate_params:
|
|
||||||
return 'Duplicate parameters', duplicate_params
|
|
||||||
|
|
||||||
missing_required_params = [
|
|
||||||
required_param
|
|
||||||
for required_param in argspec.args[len(args_tup)+1:-num_optional_params]
|
|
||||||
if required_param not in args_dict
|
|
||||||
]
|
|
||||||
if len(missing_required_params):
|
|
||||||
return 'Missing required parameters', missing_required_params
|
|
||||||
|
|
||||||
extraneous_params = [] if argspec.varkw is not None else [
|
|
||||||
extra_param
|
|
||||||
for extra_param in args_dict
|
|
||||||
if extra_param not in argspec.args[1:]
|
|
||||||
]
|
|
||||||
if len(extraneous_params):
|
|
||||||
return 'Extraneous parameters', extraneous_params
|
|
||||||
|
|
||||||
return None, None
|
|
||||||
|
|
||||||
def _initialize_session(self, session_id):
|
|
||||||
if not self.sessions.get(session_id):
|
|
||||||
self._register_user_session(session_id)
|
|
||||||
return True
|
|
||||||
return False
|
|
||||||
|
|
||||||
def _verify_token(self, session_id, message, token):
|
|
||||||
if token is None:
|
|
||||||
raise InvalidAuthenticationToken('Authentication token not found')
|
|
||||||
to_auth = json.dumps(message, sort_keys=True)
|
|
||||||
api_key = self.sessions.get(session_id)
|
|
||||||
if not api_key.compare_hmac(to_auth, token):
|
|
||||||
raise InvalidAuthenticationToken('Invalid authentication token')
|
|
||||||
|
|
||||||
def _update_session_secret(self, session_id):
|
|
||||||
self.sessions.update({session_id: APIKey.create(name=session_id)})
|
|
||||||
|
|
||||||
def _callback_render(self, result, request, id_, auth_required=False):
|
|
||||||
try:
|
|
||||||
message = jsonrpc_dumps_pretty(result, id=id_, ledger=self.ledger)
|
|
||||||
request.setResponseCode(200)
|
|
||||||
self._set_headers(request, message, auth_required)
|
|
||||||
self._render_message(request, message)
|
|
||||||
except Exception as err:
|
|
||||||
log.exception("Failed to render API response: %s", result)
|
|
||||||
self._render_error(err, request, id_)
|
|
||||||
|
|
||||||
@staticmethod
|
|
||||||
def _render_response(result):
|
|
||||||
return defer.succeed(result)
|
|
||||||
Loading…
Reference in a new issue