最近研究了dht网络,使用python写了个爬虫程序,另外用php做了个搜索网站,今天又把sphinx加上了,这样就是一个简单的bt种子搜索引擎了哈,网址:http://bt.dianfenxiang
H5小游戏网站:http://app.ih5games
另外也弄了一个微信公众号,不时发布一些热门影视剧:
微信公众号:tutuyouya
下面这个是加入共享网络,并获取种子hash码的Python:
#encoding: utf-8
import socket
from hashlib import sha1
from random import randint
from struct import unpack, pack
from socket import inet_aton, inet_ntoa
from bisect import bisect_left
from threading import Timer
from time import sleep
import MySQLdb
from bencode import bencode, bdecode
BOOTSTRAP_NODES = [
("router.bittorrent", 6881),
("dht.transmissionbt", 6881),
("router.utorrent", 6881)
]
TID_LENGTH = 8
KRPC_TIMEOUT = 10
REBORN_TIME = 5 * 60
K = 8
def entropy(bytes):
s = ""
for i in range(bytes):
s += chr(randint(0, 255))
return s
def random_id():
hash = sha1()
hash.update( entropy(20) )
return hash.digest()
def decode_nodes(nodes):
n = []
length = len(nodes)
if (length % 26) != 0:
return n
for i in range(0, length, 26):
nid = nodes[i:i+20]
ip = inet_ntoa(nodes[i+20:i+24])
port = unpack("!H", nodes[i+24:i+26])[0]
n.append( (nid, ip, port) )
return n
def encode_nodes(nodes):
strings = []
for node in nodes:
s = "%s%s%s" % (node.nid, inet_aton(node.ip), pack("!H", node.port))
strings.append(s)
return "".join(strings)
def intify(hstr):
return long(hstr.encode('hex'), 16)
def timer(t, f):
Timer(t, f).start()
class BucketFull(Exception):
pass
class KRPC(object):
def __init__(self):
self.types = {
"r": self.response_received,
"q": self.query_received
}
self.actions = {
"ping": self.ping_received,
"find_node": self.find_node_received,
"get_peers": self.get_peers_received,
"announce_peer": self.announce_peer_received,
}
self.socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.socket.bind(("0.0.0.0", self.port))
def response_received(self, msg, address):
self.find_node_handler(msg)
def query_received(self, msg, address):
try:
self.actions[msg["q"]](msg, address)
except KeyError:
pass
def send_krpc(self, msg, address):
try:
self.socket.sendto(bencode(msg), address)
except:
pass
class Client(KRPC):
def __init__(self, table):
self.table = table
timer(KRPC_TIMEOUT, self.timeout)
timer(REBORN_TIME, self.reborn)
KRPC.__init__(self)
def find_node(self, address, nid=None):
nid = self.get_neighbor(nid) if nid else self.table.nid
tid = entropy(TID_LENGTH)
msg = {
"t": tid,
"y": "q",
"q": "find_node",
"a": {"id": nid, "target": random_id()}
}
self.send_krpc(msg, address)
def find_node_handler(self, msg):
try:
nodes = decode_nodes(msg["r"]["nodes"])
for node in nodes:
(nid, ip, port) = node
if len(nid) != 20: continue
if nid == self.table.nid: continue
self.find_node( (ip, port), nid )
except KeyError:
pass
def joinDHT(self):
for address in BOOTSTRAP_NODES:
self.find_node(address)
def timeout(self):
if len( self.table.buckets ) < 2:
self.joinDHT()
timer(KRPC_TIMEOUT, self.timeout)
def reborn(self):
self.table.nid = random_id()
self.table.buckets = [ KBucket(0, 2**160) ]
timer(REBORN_TIME, self.reborn)
def start(self):
self.joinDHT()
while True:
try:
(data, address) = self.socket.recvfrom(65536)
msg = bdecode(data)
self.types[msg["y"]](msg, address)
except Exception:
pass
def get_neighbor(self, target):
return target[:10]+random_id()[10:]
class Server(Client):
def __init__(self, master, table, port):
self.table = table
self.master = master
self.port = port
Client.__init__(self, table)
def ping_received(self, msg, address):
try:
nid = msg["a"]["id"]
msg = {
"t": msg["t"],
"y": "r",
"r": {"id": self.get_neighbor(nid)}
}
self.send_krpc(msg, address)
self.find_node(address, nid)
except KeyError:
pass
def find_node_received(self, msg, address):
try:
target = msg["a"]["target"]
neighbors = self.table.get_neighbors(target)
nid = msg["a"]["id"]
msg = {
"t": msg["t"],
"y": "r",
"r": {
"id": self.get_neighbor(target),
"nodes": encode_nodes(neighbors)
}
}
self.table.append(KNode(nid, *address))
self.send_krpc(msg, address)
self.find_node(address, nid)
except KeyError:
pass
def get_peers_received(self, msg, address):
try:
infohash = msg["a"]["info_hash"]
neighbors = self.table.get_neighbors(infohash)
nid = msg["a"]["id"]
msg = {
"t": msg["t"],
"y": "r",
"r": {
"id": self.get_neighbor(infohash),
"nodes": encode_nodes(neighbors)
}
}
self.table.append(KNode(nid, *address))
self.send_krpc(msg, address)
self.master.log(infohash)
self.find_node(address, nid)
except KeyError:
pass
def announce_peer_received(self, msg, address):
try:
infohash = msg["a"]["info_hash"]
nid = msg["a"]["id"]
msg = {
"t": msg["t"],
"y": "r",
"r": {"id": self.get_neighbor(infohash)}
}
self.table.append(KNode(nid, *address))
self.send_krpc(msg, address)
self.master.log(infohash)
self.find_node(address, nid)
except KeyError:
pass
class KTable(object):
def __init__(self, nid):
self.nid = nid
self.buckets = [ KBucket(0, 2**160) ]
def append(self, node):
index = self.bucket_index(node.nid)
try:
bucket = self.buckets[index]
bucket.append(node)
except IndexError:
return
except BucketFull:
if not bucket.in_range(self.nid): return
self.split_bucket(index)
self.append(node)
def get_neighbors(self, target):
nodes = []
if len(self.buckets) == 0: return nodes
if len(target) != 20 : return nodes
index = self.bucket_index(target)
try:
nodes = self.buckets[index].nodes
min = index - 1
max = index + 1
while len(nodes) < K and ((min >= 0) or (max < len(self.buckets))):
if min >= 0:
nodes.extend(self.buckets[min].nodes)
if max < len(self.buckets):
nodes.extend(self.buckets[max].nodes)
min -= 1
max += 1
num = intify(target)
nodes.sort(lambda a, b, num=num: cmp(num^intify(a.nid), num^intify(b.nid)))
return nodes[:K]
except IndexError:
return nodes
def bucket_index(self, target):
return bisect_left(self.buckets, intify(target))
def split_bucket(self, index):
old = self.buckets[index]
point = old.max - (old.max - old.min)/2
new = KBucket(point, old.max)
old.max = point
self.buckets.insert(index + 1, new)
for node in old.nodes[:]:
if new.in_range(node.nid):
new.append(node)
old.remove(node)
def __iter__(self):
for bucket in self.buckets:
yield bucket
class KBucket(object):
__slots__ = ("min", "max", "nodes")
def __init__(self, min, max):
self.min = min
self.max = max
self.nodes = []
def append(self, node):
if node in self:
self.remove(node)
self.nodes.append(node)
else:
if len(self) < K:
self.nodes.append(node)
else:
raise BucketFull
def remove(self, node):
self.nodes.remove(node)
def in_range(self, target):
return self.min <= intify(target) < self.max
def __len__(self):
return len(self.nodes)
def __contains__(self, node):
return node in self.nodes
def __iter__(self):
for node in self.nodes:
yield node
def __lt__(self, target):
return self.max <= target
class KNode(object):
__slots__ = ("nid", "ip", "port")
def __init__(self, nid, ip, port):
self.nid = nid
self.ip = ip
self.port = port
def __eq__(self, other):
return self.nid == other.nid
#using example
class Master(object):
def __init__(self, f):
self.f = f
def log(self, infohash):
try:
conn=MySQLdb.connect(host='127.0.0.1',user='',passwd='',port='',charset="UTF8")
cur=conn.cursor()
conn.select_db('dht')
hash_hex=infohash.encode("hex")
sql="insert into hash_info(hash,name) values('%s','%s')"%(hash_hex,"")
try:
cur.execute(sql)
connmit()
except MySQLdb.Error,e:
print 'mysql error %d:%s'%(e.args[0],e.args[1])
except MySQLdb.Error,e:
print 'mysql error %d:%s'%(e.args[0],e.args[1])
self.f.write(infohash.encode("hex")+"\n")
self.f.flush()
try:
f = open("infohash.log", "a")
m = Master(f)
s = Server(Master(f), KTable(random_id()), 80010)
s.start()
except KeyboardInterrupt:
s.socket.close()
f.close()
下面是根据hash下载种子并解析的Python程序:
# _*_ coding: utf-8 _*_
'''
https://zoink.it
'''
import urllib,urllib2,os,MySQLdb,gzip,base64,time
from io import BytesIO
from btdht import Parser
import sys
reload(sys)
sys.setdefaultencoding('utf8')
def save(filename, content):
try:
file = open(filename, 'wb')
file.write(content)
file.close()
except IOError,e:
print e
def getTorrents(info_hash):
url="https://zoink.it/torrent/%s.torrent"%info_hash.upper()
#url="http://torrage/torrent/%s.torrent"%info_hash.upper()
#print url
try:
torrent=urllib2.urlopen(url,timeout=30)
buffer = BytesIO(torrent.read())
gz = gzip.GzipFile(fileobj=buffer)
raw_data=gz.read()
save("torrents/"+info_hash+".torrent",raw_data)
except IOError,e:
print e
#print "downloading+"+info_hash+".torrent failed"
return False
#print "downloading+"+info_hash+".torrent success"
return True
def getAllTorrents(table):
#try:
# os.mkdir("torrents")
#except Error,e:
#print e
try:
conn=MySQLdb.connect(host='127.0.0.1',user='',passwd='',port='',charset="UTF8")
cur=conn.cursor()
conn.select_db('dht')
sql="select * from "+table + " where info = '' limit 30"
count=cur.execute(sql)
print "thers are %s row in table"% count
result=cur.fetchall()
i=0
for r in result:
time.sleep(1)
#the torrent info is empty
#download the torrent file success
state=getTorrents(r[0])
if state:
#count the torrent file
i=i+1
try:
parser=Parser.Parser("torrents/"+r[0]+".torrent")
except :
print 'bt file error'
#print parser
name=parser.getName()
#print '============================================================='
#print r[0]
#print name
#update the tuple
#print r[0]
encoding=parser.getEncoding()
comment=parser.getComments()
info = parser.getInfo()
info = base64.encodestring(str(info))
##多文件还是单文件
isFiles = parser.getJeiGou()
##根据isFiles获取文件
if isFiles == 2:
files = parser.getFilesList()
else:
files = parser.getOneFileList()
##获取种子创建日期
createDate = parser.getCreateDate()
print isFiles
print name
print files
print createDate
#print comment
try:
date = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())
if encoding:
if isinstance(name, unicode):
name = name.encode('utf-8')
info = info.encode('utf-8')
filesStr = files[0].encode('utf-8')
lengthsStr = files[1].encode('utf-8')
createDatesStr = createDate.encode('utf-8')
else:
filesStr = files[0]
lengthsStr = files[1]
createDatesStr = createDate
#name = (name.decode(encoding)).encode('utf-8')
#print name + "=========================="
#print encoding
sql="update hash_info set hash_info.name='%s',info='%s',create_time='%s',files='%s',lengths='%s',create_date='%s' where hash_info.hash='%s'"%(name,info,date,filesStr,lengthsStr,createDatesStr,r[0])
print sql
cur.execute(sql)
else:
if isinstance(name, unicode):
name = name.encode('utf-8')
info = info.encode('utf-8')
filesStr = files[0].encode('utf-8')
lengthsStr = files[1].encode('utf-8')
createDatesStr = createDate.encode('utf-8')
else:
filesStr = files[0]
lengthsStr = files[1]
createDatesStr = createDate
#print name + "0000000000000000000000000"
name = name.decode('utf-8')
#print name.encode('utf-8')+" "+encoding
#sql="update hash_info set hash_info.info='%s' where hash_info.hash='%s'"%(name,r[0])
sql="update hash_info set hash_info.name='%s',info='%s',create_time='%s',files='%s',lengths='%s',create_date='%s' where hash_info.hash='%s'"%(name,info,date,filesStr,lengthsStr,createDatesStr,r[0])
#print sql
cur.execute(sql)
connmit()
except Exception ,e:
print e
else:
try:
#torrent file download failed
sql="delete from hash_info where hash_info.hash='%s'"%(r[0])
cur.execute(sql)
connmit()
except:
print 'error'
cur.close()
conn.close()
except MySQLdb.Error,e:
print 'mysql error %d:%s'%(e.args[0],e.args[1])
print 'the torrent files :'+str(i)
if __name__=="__main__":
getAllTorrents("hash_info")
'''
info_hash="5302C30A88347F10E1F0A5BF334A8AC85D545AC0"
getTorrents(info_hash)
'''
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