387 lines
13 KiB
Python
387 lines
13 KiB
Python
import json, gevent, time, sys, hashlib
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from Config import config
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from Site import SiteManager
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from Debug import Debug
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from util import QueryJson
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class UiWebsocket:
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def __init__(self, ws, site, server, user):
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self.ws = ws
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self.site = site
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self.user = user
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self.log = site.log
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self.server = server
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self.next_message_id = 1
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self.waiting_cb = {} # Waiting for callback. Key: message_id, Value: function pointer
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self.channels = [] # Channels joined to
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self.sending = False # Currently sending to client
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self.send_queue = [] # Messages to send to client
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# Start listener loop
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def start(self):
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ws = self.ws
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if self.site.address == config.homepage and not self.site.page_requested: # Add open fileserver port message or closed port error to homepage at first request after start
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if config.ip_external:
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self.site.notifications.append(["done", "Congratulation, your port <b>"+str(config.fileserver_port)+"</b> is opened. <br>You are full member of ZeroNet network!", 10000])
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elif config.ip_external == False:
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self.site.notifications.append(["error", "Your network connection is restricted. Please, open <b>"+str(config.fileserver_port)+"</b> port <br>on your router to become full member of ZeroNet network.", 0])
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self.site.page_requested = True # Dont add connection notification anymore
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for notification in self.site.notifications: # Send pending notification messages
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self.cmd("notification", notification)
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self.site.notifications = []
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while True:
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try:
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message = ws.receive()
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if message:
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self.handleRequest(message)
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except Exception, err:
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if err.message != 'Connection is already closed':
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if config.debug: # Allow websocket errors to appear on /Debug
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import sys
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sys.modules["src.main"].DebugHook.handleError()
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self.log.error("WebSocket error: %s" % Debug.formatException(err))
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return "Bye."
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# Event in a channel
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def event(self, channel, *params):
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if channel in self.channels: # We are joined to channel
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if channel == "siteChanged":
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site = params[0] # Triggerer site
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site_info = self.formatSiteInfo(site)
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if len(params) > 1 and params[1]: # Extra data
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site_info.update(params[1])
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self.cmd("setSiteInfo", site_info)
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# Send response to client (to = message.id)
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def response(self, to, result):
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self.send({"cmd": "response", "to": to, "result": result})
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# Send a command
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def cmd(self, cmd, params={}, cb = None):
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self.send({"cmd": cmd, "params": params}, cb)
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# Encode to json and send message
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def send(self, message, cb = None):
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message["id"] = self.next_message_id # Add message id to allow response
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self.next_message_id += 1
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if cb: # Callback after client responsed
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self.waiting_cb[message["id"]] = cb
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if self.sending: return # Already sending
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self.send_queue.append(message)
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try:
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while self.send_queue:
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self.sending = True
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message = self.send_queue.pop(0)
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self.ws.send(json.dumps(message))
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self.sending = False
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except Exception, err:
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self.log.debug("Websocket send error: %s" % Debug.formatException(err))
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# Handle incoming messages
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def handleRequest(self, data):
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req = json.loads(data)
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cmd = req.get("cmd")
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params = req.get("params")
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permissions = self.site.settings["permissions"]
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if req["id"] >= 1000000: # Its a wrapper command, allow admin commands
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permissions = permissions[:]
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permissions.append("ADMIN")
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if cmd == "response": # It's a response to a command
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return self.actionResponse(req["to"], req["result"])
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elif cmd == "ping":
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func = self.actionPing
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elif cmd == "channelJoin":
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func = self.actionChannelJoin
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elif cmd == "siteInfo":
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func = self.actionSiteInfo
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elif cmd == "serverInfo":
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func = self.actionServerInfo
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elif cmd == "siteUpdate":
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func = self.actionSiteUpdate
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elif cmd == "sitePublish":
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func = self.actionSitePublish
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elif cmd == "fileWrite":
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func = self.actionFileWrite
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elif cmd == "fileGet":
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func = self.actionFileGet
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elif cmd == "fileQuery":
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func = self.actionFileQuery
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# Admin commands
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elif cmd == "sitePause" and "ADMIN" in permissions:
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func = self.actionSitePause
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elif cmd == "siteResume" and "ADMIN" in permissions:
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func = self.actionSiteResume
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elif cmd == "siteDelete" and "ADMIN" in permissions:
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func = self.actionSiteDelete
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elif cmd == "siteList" and "ADMIN" in permissions:
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func = self.actionSiteList
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elif cmd == "siteSetLimit" and "ADMIN" in permissions:
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func = self.actionSiteSetLimit
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elif cmd == "channelJoinAllsite" and "ADMIN" in permissions:
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func = self.actionChannelJoinAllsite
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elif cmd == "serverUpdate" and "ADMIN" in permissions:
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func = self.actionServerUpdate
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# Unknown command
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else:
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self.response(req["id"], "Unknown command: %s" % cmd)
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return
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# Support calling as named, unnamed paramters and raw first argument too
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if type(params) is dict:
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func(req["id"], **params)
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elif type(params) is list:
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func(req["id"], *params)
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else:
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func(req["id"], params)
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# - Actions -
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# Do callback on response {"cmd": "response", "to": message_id, "result": result}
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def actionResponse(self, to, result):
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if to in self.waiting_cb:
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self.waiting_cb(result) # Call callback function
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else:
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self.log.error("Websocket callback not found: %s, %s" % (to, result))
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# Send a simple pong answer
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def actionPing(self, to):
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self.response(to, "pong")
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# Format site info
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def formatSiteInfo(self, site):
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content = site.content_manager.contents.get("content.json")
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if content: # Remove unnecessary data transfer
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content = content.copy()
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content["files"] = len(content.get("files", {}))
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content["includes"] = len(content.get("includes", {}))
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if "sign" in content: del(content["sign"])
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if "signs" in content: del(content["signs"])
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settings = site.settings.copy()
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del settings["wrapper_key"] # Dont expose wrapper key
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del settings["auth_key"] # Dont send auth key twice
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ret = {
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"auth_key": self.site.settings["auth_key"], # Obsolete, will be removed
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"auth_key_sha512": hashlib.sha512(self.site.settings["auth_key"]).hexdigest()[0:64], # Obsolete, will be removed
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"auth_address": self.user.getAuthAddress(site.address),
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"address": site.address,
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"settings": settings,
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"content_updated": site.content_updated,
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"bad_files": len(site.bad_files),
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"size_limit": site.getSizeLimit(),
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"next_size_limit": site.getNextSizeLimit(),
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"peers": site.settings.get("peers", len(site.peers)),
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"started_task_num": site.worker_manager.started_task_num,
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"tasks": len(site.worker_manager.tasks),
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"workers": len(site.worker_manager.workers),
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"content": content
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}
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if site.settings["serving"] and content: ret["peers"] += 1 # Add myself if serving
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return ret
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# Send site details
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def actionSiteInfo(self, to):
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ret = self.formatSiteInfo(self.site)
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self.response(to, ret)
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# Join to an event channel
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def actionChannelJoin(self, to, channel):
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if channel not in self.channels:
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self.channels.append(channel)
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# Server variables
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def actionServerInfo(self, to):
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ret = {
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"ip_external": bool(config.ip_external),
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"platform": sys.platform,
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"fileserver_ip": config.fileserver_ip,
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"fileserver_port": config.fileserver_port,
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"ui_ip": config.ui_ip,
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"ui_port": config.ui_port,
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"version": config.version,
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"debug": config.debug
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}
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self.response(to, ret)
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def actionSitePublish(self, to, privatekey=None, inner_path="content.json"):
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site = self.site
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if not inner_path.endswith("content.json"): # Find the content.json first
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inner_path = site.content_manager.getFileInfo(inner_path)["content_inner_path"]
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if not site.settings["own"] and self.user.getAuthAddress(self.site.address) not in self.site.content_manager.getValidSigners(inner_path):
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return self.response(to, "Forbidden, you can only modify your own sites")
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if not privatekey: # Get privatekey from users.json
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privatekey = self.user.getAuthPrivatekey(self.site.address)
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# Signing
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site.content_manager.loadContent(add_bad_files=False) # Reload content.json, ignore errors to make it up-to-date
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signed = site.content_manager.sign(inner_path, privatekey) # Sign using private key sent by user
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if signed:
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if inner_path == "content_json": self.cmd("notification", ["done", "Private key correct, content signed!", 5000]) # Display message for 5 sec
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else:
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self.cmd("notification", ["error", "Content sign failed: invalid private key."])
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self.response(to, "Site sign failed")
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return
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site.content_manager.loadContent(add_bad_files=False) # Load new content.json, ignore errors
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# Publishing
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if not site.settings["serving"]: # Enable site if paused
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site.settings["serving"] = True
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site.saveSettings()
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site.announce()
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published = site.publish(5, inner_path) # Publish to 5 peer
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if published>0: # Successfuly published
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self.cmd("notification", ["done", "Content published to %s peers." % published, 5000])
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self.response(to, "ok")
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site.updateWebsocket() # Send updated site data to local websocket clients
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else:
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if len(site.peers) == 0:
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self.cmd("notification", ["info", "No peers found, but your content is ready to access."])
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self.response(to, "No peers found, but your content is ready to access.")
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else:
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self.cmd("notification", ["error", "Content publish failed."])
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self.response(to, "Content publish failed.")
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# Write a file to disk
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def actionFileWrite(self, to, inner_path, content_base64):
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if not self.site.settings["own"] and self.user.getAuthAddress(self.site.address) not in self.site.content_manager.getValidSigners(inner_path):
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return self.response(to, "Forbidden, you can only modify your own files")
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try:
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import base64
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content = base64.b64decode(content_base64)
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open(self.site.getPath(inner_path), "wb").write(content)
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except Exception, err:
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return self.response(to, "Write error: %s" % err)
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if inner_path.endswith("content.json"):
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self.site.content_manager.loadContent(inner_path, add_bad_files=False)
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return self.response(to, "ok")
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# Find data in json files
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def actionFileQuery(self, to, dir_inner_path, query):
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# s = time.time()
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dir_path = self.site.getPath(dir_inner_path)
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rows = list(QueryJson.query(dir_path, query))
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# self.log.debug("FileQuery %s %s done in %s" % (dir_inner_path, query, time.time()-s))
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return self.response(to, rows)
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# Return file content
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def actionFileGet(self, to, inner_path):
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try:
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self.site.needFile(inner_path, priority=1)
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body = open(self.site.getPath(inner_path)).read()
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except:
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body = None
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return self.response(to, body)
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# - Admin actions -
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# List all site info
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def actionSiteList(self, to):
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ret = []
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SiteManager.load() # Reload sites
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for site in self.server.sites.values():
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if not site.content_manager.contents.get("content.json"): continue # Broken site
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ret.append(self.formatSiteInfo(site))
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self.response(to, ret)
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# Join to an event channel on all sites
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def actionChannelJoinAllsite(self, to, channel):
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if channel not in self.channels: # Add channel to channels
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self.channels.append(channel)
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for site in self.server.sites.values(): # Add websocket to every channel
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if self not in site.websockets:
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site.websockets.append(self)
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# Update site content.json
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def actionSiteUpdate(self, to, address):
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site = self.server.sites.get(address)
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if site and (site.address == self.site.address or "ADMIN" in self.site.settings["permissions"]):
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gevent.spawn(site.update)
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else:
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self.response(to, {"error": "Unknown site: %s" % address})
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# Pause site serving
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def actionSitePause(self, to, address):
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site = self.server.sites.get(address)
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if site:
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site.settings["serving"] = False
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site.saveSettings()
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site.updateWebsocket()
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site.worker_manager.stopWorkers()
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else:
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self.response(to, {"error": "Unknown site: %s" % address})
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# Resume site serving
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def actionSiteResume(self, to, address):
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site = self.server.sites.get(address)
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if site:
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site.settings["serving"] = True
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site.saveSettings()
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gevent.spawn(site.update)
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time.sleep(0.001) # Wait for update thread starting
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site.updateWebsocket()
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else:
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self.response(to, {"error": "Unknown site: %s" % address})
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def actionSiteDelete(self, to, address):
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site = self.server.sites.get(address)
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if site:
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site.settings["serving"] = False
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site.saveSettings()
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site.worker_manager.running = False
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site.worker_manager.stopWorkers()
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site.deleteFiles()
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SiteManager.delete(address)
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site.updateWebsocket()
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else:
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self.response(to, {"error": "Unknown site: %s" % address})
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def actionSiteSetLimit(self, to, size_limit):
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self.site.settings["size_limit"] = size_limit
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self.site.saveSettings()
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self.response(to, "Site size limit changed to %sMB" % size_limit)
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self.site.download()
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def actionServerUpdate(self, to):
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import sys
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self.cmd("updating")
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sys.modules["src.main"].update_after_shutdown = True
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sys.modules["src.main"].file_server.stop()
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sys.modules["src.main"].ui_server.stop()
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