peerlink
This commit is contained in:
parent
fabac5da4a
commit
536a99ed22
8 changed files with 297 additions and 232 deletions
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@ -3,51 +3,14 @@ import socket
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import urllib2
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import ssl
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import hashlib
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import os
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import OpenSSL
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from utils import valid
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import settings
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from settings import ENCODING
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import logging
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logger = logging.getLogger('tls')
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logger = logging.getLogger('link')
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def get_fingerprint():
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with open(settings.tls_cert_path) as fd:
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data = fd.read()
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cert = OpenSSL.crypto.load_certificate(OpenSSL.crypto.FILETYPE_PEM, data)
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return hashlib.sha1(OpenSSL.crypto.dump_certificate(OpenSSL.crypto.FILETYPE_ASN1, cert)).hexdigest()
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def generate_tls():
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key = OpenSSL.crypto.PKey()
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key.generate_key(OpenSSL.crypto.TYPE_RSA, 2048)
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with open(settings.tls_key_path, 'wb') as fd:
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os.chmod(settings.tls_key_path, 0600)
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fd.write(OpenSSL.crypto.dump_privatekey(OpenSSL.crypto.FILETYPE_PEM, key))
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os.chmod(settings.tls_key_path, 0400)
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ca = OpenSSL.crypto.X509()
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ca.set_version(2)
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ca.set_serial_number(1)
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ca.get_subject().CN = settings.USER_ID
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ca.gmtime_adj_notBefore(0)
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ca.gmtime_adj_notAfter(24 * 60 * 60)
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ca.set_issuer(ca.get_subject())
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ca.set_pubkey(key)
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ca.add_extensions([
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OpenSSL.crypto.X509Extension("basicConstraints", True, "CA:TRUE, pathlen:0"),
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OpenSSL.crypto.X509Extension("nsCertType", True, "sslCA"),
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OpenSSL.crypto.X509Extension("extendedKeyUsage", True,
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"serverAuth,clientAuth,emailProtection,timeStamping,msCodeInd,msCodeCom,msCTLSign,msSGC,msEFS,nsSGC"),
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OpenSSL.crypto.X509Extension("keyUsage", False, "keyCertSign, cRLSign"),
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OpenSSL.crypto.X509Extension("subjectKeyIdentifier", False, "hash", subject=ca),
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])
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ca.sign(key, "sha1")
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with open(settings.tls_cert_path, 'wb') as fd:
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fd.write(OpenSSL.crypto.dump_certificate(OpenSSL.crypto.FILETYPE_PEM, ca))
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return get_fingerprint()
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class InvalidCertificateException(httplib.HTTPException, urllib2.URLError):
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def __init__(self, fingerprint, cert, reason):
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@ -121,7 +84,9 @@ class Response(object):
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user = None
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code = 200
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def read(url, body=None, headers={}, fingerprint=None):
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def read(url, body=None, headers={}, fingerprint=None, timeout=None):
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if not timeout:
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timeout = settings.TIMEOUT
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if not body:
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body = None
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opener = get_opener(fingerprint)
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@ -131,7 +96,7 @@ def read(url, body=None, headers={}, fingerprint=None):
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logger.debug('open %s [%s]', url, fingerprint)
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logger.debug('headers: %s', headers)
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try:
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r = opener.open(request, timeout=settings.TIMEOUT)
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r = opener.open(request, timeout=timeout)
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except urllib2.HTTPError as e:
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response.code = e.code
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if e.code >= 500:
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@ -168,3 +133,18 @@ def read(url, body=None, headers={}, fingerprint=None):
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response.body = r
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logger.debug('response headers: %s', dict(r.headers))
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return response
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def node_url(node):
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host = node['host']
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port = node['port']
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if ':' in host:
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url = 'https://[%s]:%s' % (host, port)
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else:
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url = 'https://%s:%s' % (host, port)
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return url
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def can_connect(data):
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r = read(node_url(data), fingerprint=data['cert'], timeout=1)
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if r.error:
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return False
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return True
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@ -9,6 +9,7 @@ import struct
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import thread
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import time
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from link import can_connect
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from settings import server, USER_ID, sk, ENCODING
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from utils import valid, get_public_ipv6, get_local_ipv4, get_interface
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@ -16,21 +17,6 @@ import logging
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logger = logging.getLogger('localnodes')
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def can_connect(data):
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try:
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if ':' in data['host']:
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s = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
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else:
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s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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s.settimeout(1)
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s.connect((data['host'], data['port']))
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s.close()
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return True
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except:
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pass
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logger.debug('can_connect failed')
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return False
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class LocalNodesBase(Thread):
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_PORT = 9851
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@ -46,7 +32,17 @@ class LocalNodesBase(Thread):
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self.daemon = True
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self.start()
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def get(self, user_id):
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if user_id in self._nodes:
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if can_connect(self._nodes[user_id]):
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return self._nodes[user_id]
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def get_ip(self):
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pass
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def get_packet(self):
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self.host = self.get_ip()
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if self.host:
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message = json.dumps({
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'host': self.host,
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'port': server['node_port'],
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@ -54,13 +50,30 @@ class LocalNodesBase(Thread):
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})
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sig = sk.sign(message, encoding=ENCODING)
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packet = json.dumps([sig, USER_ID, message])
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else:
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packet = None
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return packet
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def get_socket(self):
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pass
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def send(self):
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def join(self):
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self._active = False
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'''
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if self._socket:
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try:
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self._socket.shutdown(socket.SHUT_RDWR)
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except:
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pass
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self._socket.close()
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'''
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return Thread.join(self)
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def new_node(self, data):
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logger.debug('new node %s', data)
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if can_connect(data):
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self._nodes[data['id']] = data
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self.send()
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def receive(self):
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last = time.mktime(time.localtime())
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@ -86,6 +99,21 @@ class LocalNodesBase(Thread):
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logger.debug('receive failed. restart later', exc_info=1)
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time.sleep(10)
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def run(self):
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self.send()
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self.receive()
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def send(self):
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pass
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def update_node(self, data):
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#logger.debug('update node %s', data)
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if data['id'] != USER_ID:
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if data['id'] not in self._nodes:
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thread.start_new_thread(self.new_node, (data, ))
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elif can_connect(data):
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self._nodes[data['id']] = data
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def verify(self, data):
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try:
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packet = json.loads(data)
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@ -101,59 +129,14 @@ class LocalNodesBase(Thread):
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return None
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return message
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def update_node(self, data):
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#logger.debug('update node %s', data)
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if data['id'] != USER_ID:
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if data['id'] not in self._nodes:
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thread.start_new_thread(self.new_node, (data, ))
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elif can_connect(data):
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self._nodes[data['id']] = data
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def get(self, user_id):
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if user_id in self._nodes:
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if can_connect(self._nodes[user_id]):
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return self._nodes[user_id]
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def new_node(self, data):
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logger.debug('new node %s', data)
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if can_connect(data):
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self._nodes[data['id']] = data
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self.send()
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def get_ip(self):
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pass
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def run(self):
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self.host = self.get_ip()
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self.send()
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self.receive()
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def join(self):
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self._active = False
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if self._socket:
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try:
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self._socket.shutdown(socket.SHUT_RDWR)
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except:
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pass
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self._socket.close()
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return Thread.join(self)
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class LocalNodes4(LocalNodesBase):
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_BROADCAST = "239.255.255.250"
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_TTL = 1
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def send(self):
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logger.debug('send4')
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packet = self.get_packet()
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sockaddr = (self._BROADCAST, self._PORT)
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s = socket.socket (socket.AF_INET, socket.SOCK_DGRAM)
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s.setsockopt (socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, self._TTL)
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try:
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s.sendto(packet + '\0', sockaddr)
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except:
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logger.debug('LocalNodes4.send failed', exc_info=1)
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s.close()
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def get_ip(self):
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return get_local_ipv4()
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def get_socket(self):
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s = socket.socket (socket.AF_INET, socket.SOCK_DGRAM)
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@ -163,16 +146,39 @@ class LocalNodes4(LocalNodesBase):
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self._socket = s
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return s
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def get_ip(self):
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return get_local_ipv4()
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def send(self):
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packet = self.get_packet()
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if packet:
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#logger.debug('send4')
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sockaddr = (self._BROADCAST, self._PORT)
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s = socket.socket (socket.AF_INET, socket.SOCK_DGRAM)
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s.setsockopt (socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, self._TTL)
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try:
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s.sendto(packet + '\0', sockaddr)
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except:
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logger.debug('LocalNodes4.send failed', exc_info=1)
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s.close()
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class LocalNodes6(LocalNodesBase):
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_BROADCAST = "ff02::1"
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def get_ip(self):
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return get_public_ipv6()
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def get_socket(self):
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s = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
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s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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group_bin = socket.inet_pton(socket.AF_INET6, self._BROADCAST) + '\0'*4
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s.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_JOIN_GROUP, group_bin)
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self._socket = s
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return s
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def send(self):
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logger.debug('send6')
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packet = self.get_packet()
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if packet:
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logger.debug('send6 %s', packet)
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ttl = struct.pack('@i', self._TTL)
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address = self._BROADCAST + get_interface()
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addrs = socket.getaddrinfo(address, self._PORT, socket.AF_INET6, socket.SOCK_DGRAM)
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@ -186,19 +192,9 @@ class LocalNodes6(LocalNodesBase):
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logger.debug('LocalNodes6.send failed', exc_info=1)
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s.close()
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def get_socket(self):
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s = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
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s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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group_bin = socket.inet_pton(socket.AF_INET6, self._BROADCAST) + '\0'*4
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s.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_JOIN_GROUP, group_bin)
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self._socket = s
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return s
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def get_ip(self):
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return get_public_ipv6()
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class LocalNodes(object):
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_active = True
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_nodes4 = None
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_nodes6 = None
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@ -209,12 +205,24 @@ class LocalNodes(object):
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self._nodes4 = LocalNodes4(self._nodes)
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self._nodes6 = LocalNodes6(self._nodes)
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def cleanup(self):
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if self._active:
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for id in self._nodes.keys():
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if not can_connect(self._nodes[id]):
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del self._nodes[id]
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if not self._active:
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break
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def get(self, user_id):
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if user_id in self._nodes:
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if can_connect(self._nodes[user_id]):
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return self._nodes[user_id]
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def info(self):
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return self._nodes.keys()
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def join(self):
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self._active = False
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if self._nodes4:
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self._nodes4.join()
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if self._nodes6:
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@ -2,46 +2,88 @@
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# vi:si:et:sw=4:sts=4:ts=4
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from __future__ import division
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from threading import Thread
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from Queue import Queue
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from tornado.ioloop import PeriodicCallback
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import directory
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from localnodes import LocalNodes
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from link import can_connect, node_url
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import logging
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logger = logging.getLogger('lookup')
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class Nodes(object):
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_nodes = {}
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class Nodes(Thread):
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_active = True
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_local = None
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_nodes = {}
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def __init__(self):
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self._local = LocalNodes()
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Thread.__init__(self)
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self._q = Queue()
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self.daemon = True
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self._cleanup = PeriodicCallback(lambda: self._q.put(''), 120000)
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self._cleanup.start()
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self.start()
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def get(self, user_id):
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# local nodes
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node = self._local.get(user_id)
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# local cache
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if user_id in self._nodes:
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node = self._nodes[user_id]
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# directory
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def cleanup(self):
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if self._active:
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self._local.cleanup()
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for id in self._nodes.keys():
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if id in self._local._nodes:
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del self._nodes[id]
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if not can_connect(self._nodes[id]):
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del self._nodes[id]
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if not self._active:
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break
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def fingerprint(self, id):
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node = self.get(id)
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if node:
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return node['cert']
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return None
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def get(self, id):
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# check local nodes
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node = self._local.get(id)
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if not node:
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# check local cache
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node = self._nodes.get(id)
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# lookup directory
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if not node:
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try:
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node = directory.get(user_id)
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node = directory.get(id)
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except:
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logger.debug('directory failed', exc_info=1)
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node = None
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if node:
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node['url'] = self._url(node)
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self._nodes[user_id] = node
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self._nodes[id] = node
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if node:
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node['url'] = node_url(node)
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return node
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def _url(self, node):
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host = node['host']
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port = node['port']
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if ':' in host:
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url = 'https://[%s]:%s' % (host, port)
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else:
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url = 'https://%s:%s' % (host, port)
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return url
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def info(self):
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l = self._local.info()
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return {
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'local': l,
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'nodes': sorted(set(self._nodes.keys() + l))
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}
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def join(self):
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self._active = False
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self._q.put('')
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self._local.join()
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return Thread.join(self)
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def run(self):
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while self._active:
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self._q.get()
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if self._active:
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self.cleanup()
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def url(self, user_id):
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node = self.get(user_id)
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@ -51,10 +93,3 @@ class Nodes(object):
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url = None
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logger.debug('resolved %s -> %s', user_id, url)
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return url
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def fingerprint(self, user_id):
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node = self.get(user_id)
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if node:
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return node['cert']
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return None
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@ -3,9 +3,9 @@
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import json
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import tornado.web
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from tornado.httpserver import HTTPServer
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from tornado.ioloop import PeriodicCallback
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import tornado.web
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from proxy import ProxyHandler
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from utils import get_public_ipv6, valid
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@ -68,6 +68,12 @@ class NodeHandler(ProxyHandler):
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self.finish()
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return url
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class StaticHandler(tornado.web.RequestHandler):
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def get(self):
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self.write('')
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self.finish()
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def publish_node():
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update_online()
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state._online = PeriodicCallback(update_online, 60000)
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@ -89,6 +95,7 @@ def update_online():
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def start():
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application = tornado.web.Application([
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(r"/", StaticHandler),
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(r".*", NodeHandler),
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], gzip=True)
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http_server = HTTPServer(application, ssl_options={
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|
|
|||
|
|
@ -6,7 +6,7 @@ import tornado.httpclient
|
|||
import tornado.gen
|
||||
|
||||
from utils import run_async
|
||||
import tls
|
||||
import link
|
||||
|
||||
import logging
|
||||
logger = logging.getLogger('proxy')
|
||||
|
|
@ -65,7 +65,7 @@ class ProxyHandler(tornado.web.RequestHandler):
|
|||
|
||||
@run_async
|
||||
def _fetch_response(self, url, fingerprint, callback):
|
||||
response = tls.read(url, self.request.body, self.request.headers, fingerprint)
|
||||
response = link.read(url, self.request.body, self.request.headers, fingerprint)
|
||||
callback(response)
|
||||
|
||||
def remote_url(self):
|
||||
|
|
|
|||
|
|
@ -22,6 +22,25 @@ import logging
|
|||
logger = logging.getLogger('server')
|
||||
|
||||
|
||||
def render_json(handler, response):
|
||||
response = json.dumps(response, indent=2)
|
||||
handler.set_header('Content-Type', 'application/json')
|
||||
handler.set_header('Content-Length', str(len(response)))
|
||||
handler.write(response)
|
||||
handler.finish()
|
||||
|
||||
class StatusHandler(tornado.web.RequestHandler):
|
||||
|
||||
def get(self, action):
|
||||
response = {}
|
||||
if action == 'info':
|
||||
response['id'] = settings.USER_ID
|
||||
response['online'] = state.online
|
||||
response.update(state.nodes.info())
|
||||
else:
|
||||
response['error'] = 'unknown action'
|
||||
return render_json(self, response)
|
||||
|
||||
class ServiceHandler(tornado.web.RequestHandler):
|
||||
|
||||
def post(self, action):
|
||||
|
|
@ -35,7 +54,7 @@ class ServiceHandler(tornado.web.RequestHandler):
|
|||
response = json.dumps({'status': 200})
|
||||
else:
|
||||
self.set_status(500)
|
||||
response = 'Unsupported action'
|
||||
response = json.dumps({'error': 'unknown action'})
|
||||
self.write(response)
|
||||
self.finish()
|
||||
|
||||
|
|
@ -58,9 +77,12 @@ class RequestHandler(ProxyHandler):
|
|||
url = node['url'] + '/' + uri
|
||||
return url, node['cert']
|
||||
else:
|
||||
if state.online:
|
||||
self.set_status(404)
|
||||
self.write(json.dumps({'status': 'unknown peer'}))
|
||||
self.finish()
|
||||
render_json(self, {'status': 'unknown peer'})
|
||||
else:
|
||||
self.set_status(500)
|
||||
render_json(self, {'status': 'offline'})
|
||||
return None
|
||||
|
||||
def run():
|
||||
|
|
@ -75,6 +97,7 @@ def run():
|
|||
'debug': False,
|
||||
}
|
||||
handlers = [
|
||||
(r'/(info)', StatusHandler),
|
||||
(r'/(add|remove)', ServiceHandler),
|
||||
(r".*", RequestHandler),
|
||||
]
|
||||
|
|
@ -100,9 +123,10 @@ def run():
|
|||
else:
|
||||
host = settings.server['address']
|
||||
url = 'http://%s:%s/' % (host, settings.server['port'])
|
||||
print('open browser at %s' % url)
|
||||
print('peerlink runnig at %s' % url)
|
||||
|
||||
def shutdown():
|
||||
state.nodes.join()
|
||||
state.node.stop()
|
||||
http_server.stop()
|
||||
|
||||
|
|
|
|||
|
|
@ -46,9 +46,8 @@ ENCODING='base64'
|
|||
USER_ID = vk.to_ascii(encoding=ENCODING)
|
||||
|
||||
if not os.path.exists(tls_cert_path):
|
||||
import tls
|
||||
server['cert'] = tls.generate_tls()
|
||||
|
||||
import utils
|
||||
server['cert'] = utils.create_tls_certificate()
|
||||
|
||||
VERSION="0.0"
|
||||
USER_AGENT = 'PeerLink/%s' % VERSION
|
||||
|
|
|
|||
|
|
@ -2,50 +2,27 @@
|
|||
# vi:si:et:sw=4:sts=4:ts=4
|
||||
from __future__ import division
|
||||
|
||||
import os
|
||||
import sys
|
||||
import socket
|
||||
import time
|
||||
from datetime import datetime
|
||||
import subprocess
|
||||
from threading import Thread
|
||||
from functools import wraps
|
||||
from threading import Thread
|
||||
import hashlib
|
||||
import os
|
||||
import socket
|
||||
import subprocess
|
||||
import sys
|
||||
from urlparse import urlparse
|
||||
|
||||
import ed25519
|
||||
import OpenSSL
|
||||
|
||||
import settings
|
||||
|
||||
import logging
|
||||
logger = logging.getLogger('oml.utils')
|
||||
logger = logging.getLogger('utils')
|
||||
|
||||
from settings import ENCODING
|
||||
|
||||
def valid(key, value, sig):
|
||||
'''
|
||||
validate that value was signed by key
|
||||
'''
|
||||
vk = ed25519.VerifyingKey(str(key), encoding=ENCODING)
|
||||
try:
|
||||
vk.verify(str(sig), str(value), encoding=ENCODING)
|
||||
#except ed25519.BadSignatureError:
|
||||
except:
|
||||
return False
|
||||
return True
|
||||
|
||||
def get_public_ipv6():
|
||||
try:
|
||||
host = ('2a01:4f8:120:3201::3', 25519)
|
||||
s = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
|
||||
s.settimeout(1)
|
||||
s.connect(host)
|
||||
ip = s.getsockname()[0]
|
||||
s.close()
|
||||
except:
|
||||
ip = None
|
||||
return ip
|
||||
|
||||
def get_interface():
|
||||
interface = ''
|
||||
if sys.platform == 'darwin' or sys.platform.startswith('freebsd'):
|
||||
#cmd = ['/usr/sbin/netstat', '-rn']
|
||||
cmd = ['/sbin/route', '-n', 'get', 'default']
|
||||
p = subprocess.Popen(cmd, stdout=subprocess.PIPE, close_fds=True)
|
||||
stdout, stderr = p.communicate()
|
||||
|
|
@ -86,31 +63,18 @@ def get_local_ipv4():
|
|||
ip = [p for p in local_ip[0].split(' ')[1:] if '.' in p][0]
|
||||
return ip
|
||||
|
||||
def remove_empty_folders(prefix):
|
||||
empty = []
|
||||
for root, folders, files in os.walk(prefix):
|
||||
if not folders and not files:
|
||||
empty.append(root)
|
||||
for folder in empty:
|
||||
remove_empty_tree(folder)
|
||||
|
||||
def remove_empty_tree(leaf):
|
||||
while leaf:
|
||||
if not os.path.exists(leaf):
|
||||
leaf = os.path.dirname(leaf)
|
||||
elif os.path.isdir(leaf) and not os.listdir(leaf):
|
||||
logger.debug('rmdir %s', leaf)
|
||||
os.rmdir(leaf)
|
||||
else:
|
||||
break
|
||||
|
||||
utc_0 = int(time.mktime(datetime(1970, 01, 01).timetuple()))
|
||||
|
||||
def datetime2ts(dt):
|
||||
return int(time.mktime(dt.utctimetuple())) - utc_0
|
||||
|
||||
def ts2datetime(ts):
|
||||
return datetime.utcfromtimestamp(float(ts))
|
||||
def get_public_ipv6():
|
||||
n = urlparse(settings.server['directory_service'])
|
||||
host = (n.hostname, n.port)
|
||||
try:
|
||||
s = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
|
||||
s.settimeout(1)
|
||||
s.connect(host)
|
||||
ip = s.getsockname()[0]
|
||||
s.close()
|
||||
except:
|
||||
ip = None
|
||||
return ip
|
||||
|
||||
def run_async(func):
|
||||
@wraps(func)
|
||||
|
|
@ -121,3 +85,51 @@ def run_async(func):
|
|||
|
||||
return async_func
|
||||
|
||||
# ed25519 utils
|
||||
def valid(key, value, sig):
|
||||
'''
|
||||
validate that value was signed by key
|
||||
'''
|
||||
vk = ed25519.VerifyingKey(str(key), encoding=settings.ENCODING)
|
||||
try:
|
||||
vk.verify(str(sig), str(value), encoding=settings.ENCODING)
|
||||
#except ed25519.BadSignatureError:
|
||||
except:
|
||||
return False
|
||||
return True
|
||||
|
||||
# tls utils
|
||||
def get_fingerprint():
|
||||
with open(settings.tls_cert_path) as fd:
|
||||
data = fd.read()
|
||||
cert = OpenSSL.crypto.load_certificate(OpenSSL.crypto.FILETYPE_PEM, data)
|
||||
return hashlib.sha1(OpenSSL.crypto.dump_certificate(OpenSSL.crypto.FILETYPE_ASN1, cert)).hexdigest()
|
||||
|
||||
def create_tls_certificate():
|
||||
key = OpenSSL.crypto.PKey()
|
||||
key.generate_key(OpenSSL.crypto.TYPE_RSA, 2048)
|
||||
with open(settings.tls_key_path, 'wb') as fd:
|
||||
os.chmod(settings.tls_key_path, 0600)
|
||||
fd.write(OpenSSL.crypto.dump_privatekey(OpenSSL.crypto.FILETYPE_PEM, key))
|
||||
os.chmod(settings.tls_key_path, 0400)
|
||||
|
||||
ca = OpenSSL.crypto.X509()
|
||||
ca.set_version(2)
|
||||
ca.set_serial_number(1)
|
||||
ca.get_subject().CN = settings.USER_ID
|
||||
ca.gmtime_adj_notBefore(0)
|
||||
ca.gmtime_adj_notAfter(24 * 60 * 60)
|
||||
ca.set_issuer(ca.get_subject())
|
||||
ca.set_pubkey(key)
|
||||
ca.add_extensions([
|
||||
OpenSSL.crypto.X509Extension("basicConstraints", True, "CA:TRUE, pathlen:0"),
|
||||
OpenSSL.crypto.X509Extension("nsCertType", True, "sslCA"),
|
||||
OpenSSL.crypto.X509Extension("extendedKeyUsage", True,
|
||||
"serverAuth,clientAuth,emailProtection,timeStamping,msCodeInd,msCodeCom,msCTLSign,msSGC,msEFS,nsSGC"),
|
||||
OpenSSL.crypto.X509Extension("keyUsage", False, "keyCertSign, cRLSign"),
|
||||
OpenSSL.crypto.X509Extension("subjectKeyIdentifier", False, "hash", subject=ca),
|
||||
])
|
||||
ca.sign(key, "sha1")
|
||||
with open(settings.tls_cert_path, 'wb') as fd:
|
||||
fd.write(OpenSSL.crypto.dump_certificate(OpenSSL.crypto.FILETYPE_PEM, ca))
|
||||
return get_fingerprint()
|
||||
|
|
|
|||
Loading…
Reference in a new issue