25f0192fd6
Also use the found rpcport in namecoin.conf to initialise the RPC port setting at first if it is not yet set.
286 lines
11 KiB
Python
286 lines
11 KiB
Python
# Copyright (C) 2013 by Daniel Kraft <d@domob.eu>
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# This file is part of the Bitmessage project.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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import base64
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import json
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import socket
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import sys
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import shared
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configSection = "bitmessagesettings"
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# Error thrown when the RPC call returns an error.
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class RPCError (Exception):
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error = None
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def __init__ (self, data):
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self.error = data
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# This class handles the Namecoin identity integration.
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class namecoinConnection (object):
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user = None
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password = None
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host = None
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port = None
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nmctype = None
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bufsize = 4096
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queryid = 1
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# Initialise. If options are given, take the connection settings from
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# them instead of loading from the configs. This can be used to test
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# currently entered connection settings in the config dialog without
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# actually changing the values (yet).
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def __init__ (self, options = None):
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if options is None:
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ensureNamecoinOptions ()
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self.nmctype = shared.config.get (configSection, "namecoinrpctype")
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self.host = shared.config.get (configSection, "namecoinrpchost")
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self.port = shared.config.get (configSection, "namecoinrpcport")
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self.user = shared.config.get (configSection, "namecoinrpcuser")
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self.password = shared.config.get (configSection,
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"namecoinrpcpassword")
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else:
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self.nmctype = options["type"]
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self.host = options["host"]
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self.port = options["port"]
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self.user = options["user"]
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self.password = options["password"]
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assert self.nmctype == "namecoind" or self.nmctype == "nmcontrol"
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# Query for the bitmessage address corresponding to the given identity
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# string. If it doesn't contain a slash, id/ is prepended. We return
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# the result as (Error, Address) pair, where the Error is an error
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# message to display or None in case of success.
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def query (self, string):
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slashPos = string.find ("/")
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if slashPos < 0:
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string = "id/" + string
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try:
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if self.nmctype == "namecoind":
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res = self.callRPC ("name_show", [string])
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res = res["value"]
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elif self.nmctype == "nmcontrol":
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res = self.callRPC ("data", ["getValue", string])
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res = res["reply"]
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if res == False:
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raise RPCError ({"code": -4})
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else:
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assert False
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except RPCError as exc:
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if exc.error["code"] == -4:
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return ("The name '%s' was not found." % string, None)
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else:
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return ("The namecoin query failed (%s)" % exc.error["message"],
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None)
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except Exception as exc:
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print "Namecoin query exception: %s" % str (exc)
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return ("The namecoin query failed.", None)
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try:
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val = json.loads (res)
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except:
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return ("The name '%s' has no valid JSON data." % string, None)
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if "bitmessage" in val:
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return (None, val["bitmessage"])
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return ("The name '%s' has no associated Bitmessage address." % string,
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None)
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# Test the connection settings. This routine tries to query a "getinfo"
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# command, and builds either an error message or a success message with
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# some info from it.
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def test (self):
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try:
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if self.nmctype == "namecoind":
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res = self.callRPC ("getinfo", [])
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vers = res["version"]
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v3 = vers % 100
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vers = vers / 100
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v2 = vers % 100
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vers = vers / 100
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v1 = vers
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if v3 == 0:
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versStr = "0.%d.%d" % (v1, v2)
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else:
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versStr = "0.%d.%d.%d" % (v1, v2, v3)
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return "Success! Namecoind version %s running." % versStr
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elif self.nmctype == "nmcontrol":
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res = self.callRPC ("data", ["status"])
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prefix = "Plugin data running"
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if ("reply" in res) and res["reply"][:len(prefix)] == prefix:
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return "Success! NMControll is up and running."
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print "Unexpected nmcontrol reply: %s" % res
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return "Couldn't understand NMControl."
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else:
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assert False
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except Exception as exc:
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print "Exception testing the namecoin connection:\n%s" % str (exc)
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return "The connection to namecoin failed."
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# Helper routine that actually performs an JSON RPC call.
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def callRPC (self, method, params):
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data = {"method": method, "params": params, "id": self.queryid}
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if self.nmctype == "namecoind":
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resp = self.queryHTTP (json.dumps (data))
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elif self.nmctype == "nmcontrol":
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resp = self.queryServer (json.dumps (data))
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else:
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assert False
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val = json.loads (resp)
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if val["id"] != self.queryid:
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raise Exception ("ID mismatch in JSON RPC answer.")
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self.queryid = self.queryid + 1
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if val["error"] is not None:
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raise RPCError (val["error"])
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return val["result"]
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# Query the server via HTTP.
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def queryHTTP (self, data):
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header = "POST / HTTP/1.1\n"
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header += "User-Agent: bitmessage\n"
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header += "Host: %s\n" % self.host
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header += "Content-Type: application/json\n"
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header += "Content-Length: %d\n" % len (data)
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header += "Accept: application/json\n"
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authstr = "%s:%s" % (self.user, self.password)
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header += "Authorization: Basic %s\n" % base64.b64encode (authstr)
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resp = self.queryServer ("%s\n%s" % (header, data))
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lines = resp.split ("\r\n")
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result = None
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body = False
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for line in lines:
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if line == "" and not body:
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body = True
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elif body:
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if result is not None:
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raise Exception ("Expected a single line in HTTP response.")
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result = line
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return result
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# Helper routine sending data to the RPC server and returning the result.
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def queryServer (self, data):
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try:
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s = socket.socket (socket.AF_INET, socket.SOCK_STREAM)
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s.setsockopt (socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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s.connect ((self.host, int (self.port)))
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s.sendall (data)
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result = ""
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while True:
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tmp = s.recv (self.bufsize)
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if not tmp:
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break
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result += tmp
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s.close ()
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return result
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except socket.error as exc:
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raise Exception ("Socket error in RPC connection: %s" % str (exc))
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# Look up the namecoin data folder.
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# FIXME: Check whether this works on other platforms as well!
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def lookupNamecoinFolder ():
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app = "namecoin"
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from os import path, environ
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if sys.platform == "darwin":
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if "HOME" in environ:
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dataFolder = path.join (os.environ["HOME"],
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"Library/Application Support/", app) + '/'
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else:
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print ("Could not find home folder, please report this message"
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+ " and your OS X version to the BitMessage Github.")
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sys.exit()
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elif "win32" in sys.platform or "win64" in sys.platform:
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dataFolder = path.join(environ["APPDATA"], app) + "\\"
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else:
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dataFolder = path.join(environ["HOME"], ".%s" % app) + "/"
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return dataFolder
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# Ensure all namecoin options are set, by setting those to default values
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# that aren't there.
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def ensureNamecoinOptions ():
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if not shared.config.has_option (configSection, "namecoinrpctype"):
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shared.config.set (configSection, "namecoinrpctype", "namecoind")
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if not shared.config.has_option (configSection, "namecoinrpchost"):
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shared.config.set (configSection, "namecoinrpchost", "localhost")
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hasUser = shared.config.has_option (configSection, "namecoinrpcuser")
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hasPass = shared.config.has_option (configSection, "namecoinrpcpassword")
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hasPort = shared.config.has_option (configSection, "namecoinrpcport")
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# Try to read user/password from .namecoin configuration file.
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try:
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nmcFolder = lookupNamecoinFolder ()
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nmcConfig = nmcFolder + "namecoin.conf"
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nmc = open (nmcConfig, "r")
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while True:
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line = nmc.readline ()
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if line == "":
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break
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parts = line.split ("=")
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if len (parts) == 2:
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key = parts[0]
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val = parts[1].rstrip ()
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if key == "rpcuser" and not hasUser:
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shared.config.set (configSection,
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"namecoinrpcuser", val)
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if key == "rpcpassword" and not hasPass:
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shared.config.set (configSection,
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"namecoinrpcpassword", val)
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if key == "rpcport":
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shared.namecoinDefaultRpcPort = val
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# Will be set in config below anyway.
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nmc.close ()
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except Exception as exc:
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print "Failure reading namecoin config file: %s" % str (exc)
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if (not hasUser):
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shared.config.set (configSection, "namecoinrpcuser", "")
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if (not hasPass):
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shared.config.set (configSection, "namecoinrpcpassword", "")
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# Set default port now, possibly to found value.
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if (not hasPort):
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shared.config.set (configSection, "namecoinrpcport",
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shared.namecoinDefaultRpcPort)
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