326 lines
12 KiB
Python
326 lines
12 KiB
Python
import atexit
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import json
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import logging
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import re
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import os
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import time
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import binascii
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from util import helper
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from Plugin import PluginManager
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from .TrackerZeroDb import TrackerZeroDb
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from Crypt import CryptRsa
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from Config import config
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class TrackerZero(object):
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def __init__(self):
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self.log = logging.getLogger("TrackerZero")
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self.log_once = set()
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self.enabled_addresses = []
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self.added_onions = set()
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self.config_file_path = "%s/tracker-zero.json" % config.data_dir
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self.config = None
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self.load()
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atexit.register(self.save)
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def addOnion(self, tor_manager, onion, private_key):
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# XXX: TorManager hangs if Tor returns a code different from 250 OK,
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# so we keep the list of already added onions to avoid adding them twice.
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# TODO: Report to the upstream.
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if onion in self.added_onions:
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return onion
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res = tor_manager.request(
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"ADD_ONION RSA1024:%s port=%s" % (private_key, tor_manager.fileserver_port)
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)
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match = re.search("ServiceID=([A-Za-z0-9]+)", res)
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if match:
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onion_address = match.groups()[0]
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self.added_onions.add(onion_address)
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return onion_address
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return None
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def logOnce(self, message):
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if message in self.log_once:
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return
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self.log_once.add(message)
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self.log.info(message)
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def getDefaultConfig(self):
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return {
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"settings": {
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"enable": False,
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"enable_only_in_tor_always_mode": True,
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"listen_on_public_ips": False,
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"listen_on_temporary_onion_address": False,
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"listen_on_persistent_onion_address": True
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}
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}
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def readJSON(self, file_path, default_value):
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if not os.path.isfile(file_path):
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try:
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self.writeJSON(file_path, default_value)
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except Exception as err:
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self.log.error("Error writing %s: %s" % (file_path, err))
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return default_value
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try:
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return json.load(open(file_path))
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except Exception as err:
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self.log.error("Error loading %s: %s" % (file_path, err))
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return default_value
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def writeJSON(self, file_path, value):
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helper.atomicWrite(file_path, json.dumps(value, indent=2, sort_keys=True).encode("utf8"))
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def load(self):
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self.config = self.readJSON(self.config_file_path, self.getDefaultConfig())
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def save(self):
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self.writeJSON(self.config_file_path, self.config)
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def checkOnionSigns(self, onions, onion_signs, onion_sign_this):
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if not onion_signs or len(onion_signs) != len(set(onions)):
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return False
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if time.time() - float(onion_sign_this) > 3 * 60:
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return False # Signed out of allowed 3 minutes
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onions_signed = []
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# Check onion signs
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for onion_publickey, onion_sign in onion_signs.items():
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if CryptRsa.verify(onion_sign_this.encode(), onion_publickey, onion_sign):
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onions_signed.append(CryptRsa.publickeyToOnion(onion_publickey))
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else:
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break
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# Check if the same onion addresses signed as the announced onces
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if sorted(onions_signed) == sorted(set(onions)):
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return True
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else:
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return False
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def actionAnnounce(self, file_request, params):
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if len(self.enabled_addresses) < 1:
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file_request.actionUnknown("announce", params)
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return
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time_started = time.time()
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s = time.time()
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# Backward compatibility
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if "ip4" in params["add"]:
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params["add"].append("ipv4")
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if "ip4" in params["need_types"]:
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params["need_types"].append("ipv4")
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hashes = params["hashes"]
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all_onions_signed = self.checkOnionSigns(params.get("onions", []), params.get("onion_signs"), params.get("onion_sign_this"))
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time_onion_check = time.time() - s
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connection_server = file_request.server
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ip_type = connection_server.getIpType(file_request.connection.ip)
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if ip_type == "onion" or file_request.connection.ip in config.ip_local:
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is_port_open = False
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elif ip_type in params["add"]:
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is_port_open = True
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else:
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is_port_open = False
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s = time.time()
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# Separatley add onions to sites or at once if no onions present
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i = 0
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onion_to_hash = {}
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for onion in params.get("onions", []):
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if onion not in onion_to_hash:
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onion_to_hash[onion] = []
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onion_to_hash[onion].append(hashes[i])
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i += 1
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hashes_changed = 0
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for onion, onion_hashes in onion_to_hash.items():
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hashes_changed += db.peerAnnounce(
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ip_type="onion",
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address=onion,
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port=params["port"],
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hashes=onion_hashes,
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onion_signed=all_onions_signed
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)
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time_db_onion = time.time() - s
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s = time.time()
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if is_port_open:
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hashes_changed += db.peerAnnounce(
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ip_type=ip_type,
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address=file_request.connection.ip,
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port=params["port"],
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hashes=hashes,
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delete_missing_hashes=params.get("delete")
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)
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time_db_ip = time.time() - s
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s = time.time()
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# Query sites
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back = {}
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peers = []
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if params.get("onions") and not all_onions_signed and hashes_changed:
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back["onion_sign_this"] = "%.0f" % time.time() # Send back nonce for signing
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if len(hashes) > 500 or not hashes_changed:
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limit = 5
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order = False
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else:
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limit = 30
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order = True
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for hash in hashes:
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if time.time() - time_started > 1: # 1 sec limit on request
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file_request.connection.log("Announce time limit exceeded after %s/%s sites" % (len(peers), len(hashes)))
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break
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hash_peers = db.peerList(
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hash,
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address=file_request.connection.ip, onions=list(onion_to_hash.keys()), port=params["port"],
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limit=min(limit, params["need_num"]), need_types=params["need_types"], order=order
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)
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if "ip4" in params["need_types"]: # Backward compatibility
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hash_peers["ip4"] = hash_peers["ipv4"]
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del(hash_peers["ipv4"])
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peers.append(hash_peers)
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time_peerlist = time.time() - s
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back["peers"] = peers
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file_request.connection.log(
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"Announce %s sites (onions: %s, onion_check: %.3fs, db_onion: %.3fs, db_ip: %.3fs, peerlist: %.3fs, limit: %s)" %
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(len(hashes), len(onion_to_hash), time_onion_check, time_db_onion, time_db_ip, time_peerlist, limit)
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)
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file_request.response(back)
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def getTrackerStorage(self):
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try:
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if "TrackerShare" in PluginManager.plugin_manager.plugin_names:
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from TrackerShare.TrackerSharePlugin import tracker_storage
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return tracker_storage
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elif "AnnounceShare" in PluginManager.plugin_manager.plugin_names:
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from AnnounceShare.AnnounceSharePlugin import tracker_storage
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return tracker_storage
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except Exception as err:
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self.log.error("%s" % Debug.formatException(err))
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return None
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def registerTrackerAddress(self, message, address, port):
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_tracker_storage = self.getTrackerStorage()
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if not _tracker_storage:
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return
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my_tracker_address = "zero://%s:%s" % (address, port)
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if _tracker_storage.onTrackerFound(my_tracker_address, my=True):
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self.logOnce("listening on %s: %s" % (message, my_tracker_address))
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self.enabled_addresses.append("%s:%s" % (address, port))
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def registerTrackerAddresses(self, file_server, port_open):
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_tracker_storage = self.getTrackerStorage()
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if not _tracker_storage:
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return
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tor_manager = file_server.tor_manager
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settings = self.config.get("settings", {})
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if not settings.get("enable"):
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self.logOnce("Plugin loaded, but disabled by the settings")
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return False
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if settings.get("enable_only_in_tor_always_mode") and not config.tor == "always":
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self.logOnce("Plugin loaded, but disabled from running in the modes other than 'tor = always'")
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return False
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self.enabled_addresses = []
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if settings.get("listen_on_public_ips") and port_open and not config.tor == "always":
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for ip in file_server.ip_external_list:
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self.registerTrackerAddress("public IP", ip, config.fileserver_port)
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if settings.get("listen_on_temporary_onion_address") and tor_manager.enabled:
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onion = tor_manager.getOnion(config.homepage)
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if onion:
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self.registerTrackerAddress("temporary onion address", "%s.onion" % onion, tor_manager.fileserver_port)
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if settings.get("listen_on_persistent_onion_address") and tor_manager.enabled:
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persistent_addresses = self.config.setdefault("persistent_addresses", {})
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if len(persistent_addresses) == 0:
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result = tor_manager.makeOnionAndKey()
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if result:
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onion_address, onion_privatekey = result
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persistent_addresses[onion_address] = {
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"private_key": onion_privatekey
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}
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self.registerTrackerAddress("persistent onion address", "%s.onion" % onion_address, tor_manager.fileserver_port)
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else:
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for address, d in persistent_addresses.items():
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private_key = d.get("private_key")
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if not private_key:
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continue
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onion_address = self.addOnion(tor_manager, address, private_key)
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if onion_address == address:
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self.registerTrackerAddress("persistent onion address", "%s.onion" % onion_address, tor_manager.fileserver_port)
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return len(self.enabled_addresses) > 0
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if "db" not in locals().keys(): # Share during reloads
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db = TrackerZeroDb()
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if "tracker_zero" not in locals():
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tracker_zero = TrackerZero()
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@PluginManager.registerTo("FileRequest")
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class FileRequestPlugin(object):
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def actionAnnounce(self, params):
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tracker_zero.actionAnnounce(self, params)
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@PluginManager.registerTo("FileServer")
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class FileServerPlugin(object):
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def portCheck(self, *args, **kwargs):
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res = super(FileServerPlugin, self).portCheck(*args, **kwargs)
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tracker_zero.registerTrackerAddresses(self, res)
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return res
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@PluginManager.registerTo("UiRequest")
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class UiRequestPlugin(object):
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@helper.encodeResponse
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def actionStatsTrackerZero(self):
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self.sendHeader()
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# Style
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yield """
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<style>
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* { font-family: monospace; white-space: pre }
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table td, table th { text-align: right; padding: 0px 10px }
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</style>
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"""
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hash_rows = db.execute("SELECT * FROM hash").fetchall()
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for hash_row in hash_rows:
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peer_rows = db.execute(
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"SELECT * FROM peer LEFT JOIN peer_to_hash USING (peer_id) WHERE hash_id = :hash_id",
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{"hash_id": hash_row["hash_id"]}
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).fetchall()
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yield "<br>%s (added: %s, peers: %s)<br>" % (
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binascii.hexlify(hash_row["hash"]).decode("utf-8"), hash_row["date_added"], len(peer_rows)
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)
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for peer_row in peer_rows:
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yield " - {type: <6} {address: <30} {port: >5} added: {date_added}, announced: {date_announced}<br>".format(**dict(peer_row))
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