218 lines
6.8 KiB
Python
218 lines
6.8 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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class UiWebsocket:
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def __init__(self, ws, site, server):
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self.ws = ws
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self.site = site
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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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# 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.site.log.error("WebSocket error: %s" % 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.siteInfo(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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self.ws.send(json.dumps(message))
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if cb: # Callback after client responsed
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self.waiting_cb[message["id"]] = cb
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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["cmd"]
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permissions = self.site.settings["permissions"]
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if cmd == "response":
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self.actionResponse(req)
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elif cmd == "ping":
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self.actionPing(req["id"])
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elif cmd == "channelJoin":
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self.actionChannelJoin(req["id"], req["params"])
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elif cmd == "siteInfo":
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self.actionSiteInfo(req["id"], req["params"])
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elif cmd == "serverInfo":
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self.actionServerInfo(req["id"], req["params"])
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elif cmd == "siteUpdate":
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self.actionSiteUpdate(req["id"], req["params"])
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# Admin commands
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elif cmd == "sitePause" and "ADMIN" in permissions:
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self.actionSitePause(req["id"], req["params"])
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elif cmd == "siteResume" and "ADMIN" in permissions:
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self.actionSiteResume(req["id"], req["params"])
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elif cmd == "siteList" and "ADMIN" in permissions:
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self.actionSiteList(req["id"], req["params"])
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elif cmd == "channelJoinAllsite" and "ADMIN" in permissions:
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self.actionChannelJoinAllsite(req["id"], req["params"])
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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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# - Actions -
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# Do callback on response {"cmd": "response", "to": message_id, "result": result}
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def actionResponse(self, req):
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if req["to"] in self.waiting_cb:
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self.waiting_cb(req["result"]) # Call callback function
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else:
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self.site.log.error("Websocket callback not found: %s" % req)
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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 siteInfo(self, site):
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ret = {
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"auth_id": self.site.settings["auth_key"][0:10],
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"auth_id_md5": hashlib.md5(self.site.settings["auth_key"][0:10]).hexdigest(),
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"address": site.address,
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"settings": site.settings,
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"content_updated": site.content_updated,
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"bad_files": site.bad_files.keys(),
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"last_downloads": site.last_downloads,
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"peers": len(site.peers),
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"tasks": [task["inner_path"] for task in site.worker_manager.tasks],
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"content": site.content
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}
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if site.settings["serving"] and site.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, params):
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ret = self.siteInfo(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, params):
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if params["channel"] not in self.channels:
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self.channels.append(params["channel"])
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# Server variables
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def actionServerInfo(self, to, params):
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ret = {
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"ip_external": 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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"debug": config.debug
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}
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self.response(to, ret)
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# - Admin actions -
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# List all site info
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def actionSiteList(self, to, params):
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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: continue # Broken site
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ret.append(self.siteInfo(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, params):
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if params["channel"] not in self.channels: # Add channel to channels
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self.channels.append(params["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, params):
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address = params.get("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, params):
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address = params.get("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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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, params):
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address = params.get("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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