python之bt种子，dht网络共享热门资源
来源：互联网 发布：windows ime下载 编辑：程序博客网 时间：2024/04/29 20:02
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.com
H5小游戏网站：http://app.ih5games.com
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-8import socketfrom hashlib import sha1from random import randintfrom struct import unpack, packfrom socket import inet_aton, inet_ntoafrom bisect import bisect_leftfrom threading import Timerfrom time import sleepimport MySQLdbfrom bencode import bencode, bdecodeBOOTSTRAP_NODES = [ ("router.bittorrent.com", 6881), ("dht.transmissionbt.com", 6881), ("router.utorrent.com", 6881)] TID_LENGTH = 8KRPC_TIMEOUT = 10REBORN_TIME = 5 * 60K = 8def entropy(bytes): s = "" for i in range(bytes): s += chr(randint(0, 255)) return sdef 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 ndef 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): passclass 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: passclass 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: passclass 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 bucketclass 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 <= targetclass 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 exampleclass 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) conn.commit() 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,timefrom io import BytesIOfrom btdht import Parserimport sysreload(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.com/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 Truedef 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) conn.commit() 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) conn.commit() 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)''' 0 0
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