# Copyright (c) 2012-2016 Jonathan Warren # Copyright (c) 2012-2020 The Bitmessage developers # pylint: disable=too-many-lines,no-self-use,unused-variable,unused-argument """ This is not what you run to start the Bitmessage API. Instead, `enable the API `_ and optionally `enable daemon mode `_ then run the PyBitmessage. The PyBitmessage API is provided either as `XML-RPC `_ or `JSON-RPC `_ like in bitcoin. It's selected according to 'apivariant' setting in config file. Special value ``apivariant=legacy`` is to mimic the old pre 0.6.3 behaviour when any results are returned as strings of json. .. list-table:: All config settings related to API: :header-rows: 0 * - apienabled = true - if 'false' the `singleAPI` wont start * - apiinterface = 127.0.0.1 - this is the recommended default * - apiport = 8442 - the API listens apiinterface:apiport if apiport is not used, random in range (32767, 65535) otherwice * - apivariant = xml - current default for backward compatibility, 'json' is recommended * - apiusername = username - set the username * - apipassword = password - and the password * - apinotifypath = - not really the API setting, this sets a path for the executable to be ran when certain internal event happens To use the API concider such simple example: .. code-block:: python import jsonrpclib from pybitmessage import bmconfigparser, helper_startup helper_startup.loadConfig() # find and load local config file conf = bmconfigparser.BMConfigParser() api_uri = "http://%s:%s@127.0.0.1:8442/" % ( conf.safeGet('bitmessagesettings', 'apiusername'), conf.safeGet('bitmessagesettings', 'apipassword') ) api = jsonrpclib.ServerProxy(api_uri) print(api.clientStatus()) For further examples please reference `.tests.test_api`. """ import base64 import ConfigParser import errno import hashlib import httplib import json import random # nosec import socket import subprocess import time import xmlrpclib from binascii import hexlify, unhexlify from SimpleXMLRPCServer import SimpleXMLRPCRequestHandler, SimpleXMLRPCServer from struct import pack import defaults import helper_inbox import helper_sent import network.stats import proofofwork import queues import shared import shutdown import state from addresses import ( addBMIfNotPresent, calculateInventoryHash, decodeAddress, decodeVarint, varintDecodeError ) from bmconfigparser import BMConfigParser from debug import logger from helper_sql import SqlBulkExecute, sqlExecute, sqlQuery, sqlStoredProcedure from inventory import Inventory from network.threads import StoppableThread from version import softwareVersion try: # TODO: write tests for XML vulnerabilities from defusedxml.xmlrpc import monkey_patch except ImportError: logger.warning( 'defusedxml not available, only use API on a secure, closed network.') else: monkey_patch() str_chan = '[chan]' str_broadcast_subscribers = '[Broadcast subscribers]' class ErrorCodes(type): """Metaclass for :class:`APIError` documenting error codes.""" _CODES = { 0: 'Invalid command parameters number', 1: 'The specified passphrase is blank.', 2: 'The address version number currently must be 3, 4, or 0' ' (which means auto-select).', 3: 'The stream number must be 1 (or 0 which means' ' auto-select). Others aren\'t supported.', 4: 'Why would you ask me to generate 0 addresses for you?', 5: 'You have (accidentally?) specified too many addresses to' ' make. Maximum 999. This check only exists to prevent' ' mischief; if you really want to create more addresses than' ' this, contact the Bitmessage developers and we can modify' ' the check or you can do it yourself by searching the source' ' code for this message.', 6: 'The encoding type must be 2 or 3.', 7: 'Could not decode address', 8: 'Checksum failed for address', 9: 'Invalid characters in address', 10: 'Address version number too high (or zero)', 11: 'The address version number currently must be 2, 3 or 4.' ' Others aren\'t supported. Check the address.', 12: 'The stream number must be 1. Others aren\'t supported.' ' Check the address.', 13: 'Could not find this address in your keys.dat file.', 14: 'Your fromAddress is disabled. Cannot send.', 15: 'Invalid ackData object size.', 16: 'You are already subscribed to that address.', 17: 'Label is not valid UTF-8 data.', 18: 'Chan name does not match address.', 19: 'The length of hash should be 32 bytes (encoded in hex' ' thus 64 characters).', 20: 'Invalid method:', 21: 'Unexpected API Failure', 22: 'Decode error', 23: 'Bool expected in eighteenByteRipe', 24: 'Chan address is already present.', 25: 'Specified address is not a chan address.' ' Use deleteAddress API call instead.', 26: 'Malformed varint in address: ', 27: 'Message is too long.' } def __new__(mcs, name, bases, namespace): result = super(ErrorCodes, mcs).__new__(mcs, name, bases, namespace) for code in mcs._CODES.iteritems(): # beware: the formatting is adjusted for list-table result.__doc__ += """ * - %04i - %s """ % code return result class APIError(xmlrpclib.Fault): """ APIError exception class .. list-table:: Possible error values :header-rows: 1 :widths: auto * - Error Number - Message """ __metaclass__ = ErrorCodes def __str__(self): return "API Error %04i: %s" % (self.faultCode, self.faultString) # This thread, of which there is only one, runs the API. class singleAPI(StoppableThread): """API thread""" name = "singleAPI" def stopThread(self): super(singleAPI, self).stopThread() s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) try: s.connect(( BMConfigParser().get('bitmessagesettings', 'apiinterface'), BMConfigParser().getint('bitmessagesettings', 'apiport') )) s.shutdown(socket.SHUT_RDWR) s.close() except BaseException: pass def run(self): """ The instance of `SimpleXMLRPCServer.SimpleXMLRPCServer` or :class:`jsonrpclib.SimpleJSONRPCServer` is created and started here with `BMRPCDispatcher` dispatcher. """ port = BMConfigParser().getint('bitmessagesettings', 'apiport') try: getattr(errno, 'WSAEADDRINUSE') except AttributeError: errno.WSAEADDRINUSE = errno.EADDRINUSE RPCServerBase = SimpleXMLRPCServer ct = 'text/xml' if BMConfigParser().safeGet( 'bitmessagesettings', 'apivariant') == 'json': try: from jsonrpclib.SimpleJSONRPCServer import ( SimpleJSONRPCServer as RPCServerBase) except ImportError: logger.warning( 'jsonrpclib not available, failing back to XML-RPC') else: ct = 'application/json-rpc' # Nested class. FIXME not found a better solution. class StoppableRPCServer(RPCServerBase): """A SimpleXMLRPCServer that honours state.shutdown""" allow_reuse_address = True content_type = ct def serve_forever(self, poll_interval=None): """Start the RPCServer""" while state.shutdown == 0: self.handle_request() for attempt in range(50): try: if attempt > 0: logger.warning( 'Failed to start API listener on port %s', port) port = random.randint(32767, 65535) se = StoppableRPCServer( (BMConfigParser().get( 'bitmessagesettings', 'apiinterface'), port), BMXMLRPCRequestHandler, True, encoding='UTF-8') except socket.error as e: if e.errno in (errno.EADDRINUSE, errno.WSAEADDRINUSE): continue else: if attempt > 0: logger.warning('Setting apiport to %s', port) BMConfigParser().set( 'bitmessagesettings', 'apiport', str(port)) BMConfigParser().save() break se.register_instance(BMRPCDispatcher()) se.register_introspection_functions() apiNotifyPath = BMConfigParser().safeGet( 'bitmessagesettings', 'apinotifypath') if apiNotifyPath: logger.info('Trying to call %s', apiNotifyPath) try: subprocess.call([apiNotifyPath, "startingUp"]) except OSError: logger.warning( 'Failed to call %s, removing apinotifypath setting', apiNotifyPath) BMConfigParser().remove_option( 'bitmessagesettings', 'apinotifypath') se.serve_forever() class CommandHandler(type): """ The metaclass for `BMRPCDispatcher` which fills _handlers dict by methods decorated with @command """ def __new__(mcs, name, bases, namespace): # pylint: disable=protected-access result = super(CommandHandler, mcs).__new__( mcs, name, bases, namespace) result.config = BMConfigParser() result._handlers = {} apivariant = result.config.safeGet('bitmessagesettings', 'apivariant') for func in namespace.values(): try: for alias in getattr(func, '_cmd'): try: prefix, alias = alias.split(':') if apivariant != prefix: continue except ValueError: pass result._handlers[alias] = func except AttributeError: pass return result class command(object): # pylint: disable=too-few-public-methods """Decorator for API command method""" def __init__(self, *aliases): self.aliases = aliases def __call__(self, func): if BMConfigParser().safeGet( 'bitmessagesettings', 'apivariant') == 'legacy': def wrapper(*args): """ A wrapper for legacy apivariant which dumps the result into string of json """ result = func(*args) return result if isinstance(result, (int, str)) \ else json.dumps(result, indent=4) wrapper.__doc__ = func.__doc__ else: wrapper = func # pylint: disable=protected-access wrapper._cmd = self.aliases wrapper.__doc__ = """Commands: *%s* """ % ', '.join(self.aliases) + wrapper.__doc__.lstrip() return wrapper # This is one of several classes that constitute the API # This class was written by Vaibhav Bhatia. # Modified by Jonathan Warren (Atheros). # Further modified by the Bitmessage developers # http://code.activestate.com/recipes/501148 class BMXMLRPCRequestHandler(SimpleXMLRPCRequestHandler): """The main API handler""" # pylint: disable=protected-access def do_POST(self): """ Handles the HTTP POST request. Attempts to interpret all HTTP POST requests as XML-RPC calls, which are forwarded to the server's _dispatch method for handling. .. note:: this method is the same as in `SimpleXMLRPCServer.SimpleXMLRPCRequestHandler`, just hacked to handle cookies """ # Check that the path is legal if not self.is_rpc_path_valid(): self.report_404() return try: # Get arguments by reading body of request. # We read this in chunks to avoid straining # socket.read(); around the 10 or 15Mb mark, some platforms # begin to have problems (bug #792570). max_chunk_size = 10 * 1024 * 1024 size_remaining = int(self.headers["content-length"]) L = [] while size_remaining: chunk_size = min(size_remaining, max_chunk_size) L.append(self.rfile.read(chunk_size)) size_remaining -= len(L[-1]) data = ''.join(L) # pylint: disable=attribute-defined-outside-init self.cookies = [] validuser = self.APIAuthenticateClient() if not validuser: time.sleep(2) self.send_response(httplib.UNAUTHORIZED) self.end_headers() return # "RPC Username or password incorrect or HTTP header" # " lacks authentication at all." else: # In previous versions of SimpleXMLRPCServer, _dispatch # could be overridden in this class, instead of in # SimpleXMLRPCDispatcher. To maintain backwards compatibility, # check to see if a subclass implements _dispatch and dispatch # using that method if present. response = self.server._marshaled_dispatch( data, getattr(self, '_dispatch', None) ) except Exception: # This should only happen if the module is buggy # internal error, report as HTTP server error self.send_response(httplib.INTERNAL_SERVER_ERROR) self.end_headers() else: # got a valid XML RPC response self.send_response(httplib.OK) self.send_header("Content-type", self.server.content_type) self.send_header("Content-length", str(len(response))) # HACK :start -> sends cookies here if self.cookies: for cookie in self.cookies: self.send_header('Set-Cookie', cookie.output(header='')) # HACK :end self.end_headers() self.wfile.write(response) # shut down the connection self.wfile.flush() self.connection.shutdown(1) # actually handle shutdown command after sending response if state.shutdown is False: shutdown.doCleanShutdown() def APIAuthenticateClient(self): """ Predicate to check for valid API credentials in the request header """ if 'Authorization' in self.headers: # handle Basic authentication encstr = self.headers.get('Authorization').split()[1] emailid, password = encstr.decode('base64').split(':') return ( emailid == BMConfigParser().get( 'bitmessagesettings', 'apiusername' ) and password == BMConfigParser().get( 'bitmessagesettings', 'apipassword')) else: logger.warning( 'Authentication failed because header lacks' ' Authentication field') time.sleep(2) return False # pylint: disable=no-self-use,no-member,too-many-public-methods class BMRPCDispatcher(object): """This class is used to dispatch API commands""" __metaclass__ = CommandHandler @staticmethod def _decode(text, decode_type): try: if decode_type == 'hex': return unhexlify(text) elif decode_type == 'base64': return base64.b64decode(text) except Exception as e: raise APIError( 22, 'Decode error - %s. Had trouble while decoding string: %r' % (e, text) ) def _verifyAddress(self, address): status, addressVersionNumber, streamNumber, ripe = \ decodeAddress(address) if status != 'success': if status == 'checksumfailed': raise APIError(8, 'Checksum failed for address: ' + address) if status == 'invalidcharacters': raise APIError(9, 'Invalid characters in address: ' + address) if status == 'versiontoohigh': raise APIError( 10, 'Address version number too high (or zero) in address: ' + address) if status == 'varintmalformed': raise APIError(26, 'Malformed varint in address: ' + address) raise APIError( 7, 'Could not decode address: %s : %s' % (address, status)) if addressVersionNumber < 2 or addressVersionNumber > 4: raise APIError( 11, 'The address version number currently must be 2, 3 or 4.' ' Others aren\'t supported. Check the address.' ) if streamNumber != 1: raise APIError( 12, 'The stream number must be 1. Others aren\'t supported.' ' Check the address.' ) return { 'status': status, 'addressVersion': addressVersionNumber, 'streamNumber': streamNumber, 'ripe': base64.b64encode(ripe) } if self._method == 'decodeAddress' else ( status, addressVersionNumber, streamNumber, ripe) @staticmethod def _dump_inbox_message( # pylint: disable=too-many-arguments msgid, toAddress, fromAddress, subject, received, message, encodingtype, read): subject = shared.fixPotentiallyInvalidUTF8Data(subject) message = shared.fixPotentiallyInvalidUTF8Data(message) return { 'msgid': hexlify(msgid), 'toAddress': toAddress, 'fromAddress': fromAddress, 'subject': base64.b64encode(subject), 'message': base64.b64encode(message), 'encodingType': encodingtype, 'receivedTime': received, 'read': read } @staticmethod def _dump_sent_message( # pylint: disable=too-many-arguments msgid, toAddress, fromAddress, subject, lastactiontime, message, encodingtype, status, ackdata): subject = shared.fixPotentiallyInvalidUTF8Data(subject) message = shared.fixPotentiallyInvalidUTF8Data(message) return { 'msgid': hexlify(msgid), 'toAddress': toAddress, 'fromAddress': fromAddress, 'subject': base64.b64encode(subject), 'message': base64.b64encode(message), 'encodingType': encodingtype, 'lastActionTime': lastactiontime, 'status': status, 'ackData': hexlify(ackdata) } # Request Handlers @command('decodeAddress') def HandleDecodeAddress(self, address): """ Decode given address and return dict with status, addressVersion, streamNumber and ripe keys """ return self._verifyAddress(address) @command('listAddresses', 'listAddresses2') def HandleListAddresses(self): """ Returns dict with a list of all used addresses with their properties in the *addresses* key. """ data = [] for address in self.config.addresses(): streamNumber = decodeAddress(address)[2] label = self.config.get(address, 'label') if self._method == 'listAddresses2': label = base64.b64encode(label) data.append({ 'label': label, 'address': address, 'stream': streamNumber, 'enabled': self.config.safeGetBoolean(address, 'enabled'), 'chan': self.config.safeGetBoolean(address, 'chan') }) return {'addresses': data} # the listAddressbook alias should be removed eventually. @command('listAddressBookEntries', 'legacy:listAddressbook') def HandleListAddressBookEntries(self, label=None): """ Returns dict with a list of all address book entries (address and label) in the *addresses* key. """ queryreturn = sqlQuery( "SELECT label, address from addressbook WHERE label = ?", label ) if label else sqlQuery("SELECT label, address from addressbook") data = [] for label, address in queryreturn: label = shared.fixPotentiallyInvalidUTF8Data(label) data.append({ 'label': base64.b64encode(label), 'address': address }) return {'addresses': data} # the addAddressbook alias should be deleted eventually. @command('addAddressBookEntry', 'legacy:addAddressbook') def HandleAddAddressBookEntry(self, address, label): """Add an entry to address book. label must be base64 encoded.""" label = self._decode(label, "base64") address = addBMIfNotPresent(address) self._verifyAddress(address) # TODO: add unique together constraint in the table queryreturn = sqlQuery( "SELECT address FROM addressbook WHERE address=?", address) if queryreturn != []: raise APIError( 16, 'You already have this address in your address book.') sqlExecute("INSERT INTO addressbook VALUES(?,?)", label, address) queues.UISignalQueue.put(('rerenderMessagelistFromLabels', '')) queues.UISignalQueue.put(('rerenderMessagelistToLabels', '')) queues.UISignalQueue.put(('rerenderAddressBook', '')) return "Added address %s to address book" % address # the deleteAddressbook alias should be deleted eventually. @command('deleteAddressBookEntry', 'legacy:deleteAddressbook') def HandleDeleteAddressBookEntry(self, address): """Delete an entry from address book.""" address = addBMIfNotPresent(address) self._verifyAddress(address) sqlExecute('DELETE FROM addressbook WHERE address=?', address) queues.UISignalQueue.put(('rerenderMessagelistFromLabels', '')) queues.UISignalQueue.put(('rerenderMessagelistToLabels', '')) queues.UISignalQueue.put(('rerenderAddressBook', '')) return "Deleted address book entry for %s if it existed" % address @command('createRandomAddress') def HandleCreateRandomAddress( self, label, eighteenByteRipe=False, totalDifficulty=0, smallMessageDifficulty=0 ): """ Create one address using the random number generator. :param str label: base64 encoded label for the address :param bool eighteenByteRipe: is telling Bitmessage whether to generate an address with an 18 byte RIPE hash (as opposed to a 19 byte hash). """ nonceTrialsPerByte = self.config.get( 'bitmessagesettings', 'defaultnoncetrialsperbyte' ) if not totalDifficulty else int( defaults.networkDefaultProofOfWorkNonceTrialsPerByte * totalDifficulty) payloadLengthExtraBytes = self.config.get( 'bitmessagesettings', 'defaultpayloadlengthextrabytes' ) if not smallMessageDifficulty else int( defaults.networkDefaultPayloadLengthExtraBytes * smallMessageDifficulty) if not isinstance(eighteenByteRipe, bool): raise APIError( 23, 'Bool expected in eighteenByteRipe, saw %s instead' % type(eighteenByteRipe)) label = self._decode(label, "base64") try: unicode(label, 'utf-8') except UnicodeDecodeError: raise APIError(17, 'Label is not valid UTF-8 data.') queues.apiAddressGeneratorReturnQueue.queue.clear() # FIXME hard coded stream no streamNumberForAddress = 1 queues.addressGeneratorQueue.put(( 'createRandomAddress', 4, streamNumberForAddress, label, 1, "", eighteenByteRipe, nonceTrialsPerByte, payloadLengthExtraBytes )) return queues.apiAddressGeneratorReturnQueue.get() # pylint: disable=too-many-arguments @command('createDeterministicAddresses') def HandleCreateDeterministicAddresses( self, passphrase, numberOfAddresses=1, addressVersionNumber=0, streamNumber=0, eighteenByteRipe=False, totalDifficulty=0, smallMessageDifficulty=0 ): """ Create many addresses deterministically using the passphrase. :param str passphrase: base64 encoded passphrase :param int numberOfAddresses: number of addresses to create, up to 999 *addressVersionNumber* and *streamNumber* may be set to 0 which will tell Bitmessage to use the most up-to-date address version and the most available stream. """ nonceTrialsPerByte = self.config.get( 'bitmessagesettings', 'defaultnoncetrialsperbyte' ) if not totalDifficulty else int( defaults.networkDefaultProofOfWorkNonceTrialsPerByte * totalDifficulty) payloadLengthExtraBytes = self.config.get( 'bitmessagesettings', 'defaultpayloadlengthextrabytes' ) if not smallMessageDifficulty else int( defaults.networkDefaultPayloadLengthExtraBytes * smallMessageDifficulty) if not passphrase: raise APIError(1, 'The specified passphrase is blank.') if not isinstance(eighteenByteRipe, bool): raise APIError( 23, 'Bool expected in eighteenByteRipe, saw %s instead' % type(eighteenByteRipe)) passphrase = self._decode(passphrase, "base64") # 0 means "just use the proper addressVersionNumber" if addressVersionNumber == 0: addressVersionNumber = 4 if addressVersionNumber not in (3, 4): raise APIError( 2, 'The address version number currently must be 3, 4, or 0' ' (which means auto-select). %i isn\'t supported.' % addressVersionNumber) if streamNumber == 0: # 0 means "just use the most available stream" streamNumber = 1 # FIXME hard coded stream no if streamNumber != 1: raise APIError( 3, 'The stream number must be 1 (or 0 which means' ' auto-select). Others aren\'t supported.') if numberOfAddresses == 0: raise APIError( 4, 'Why would you ask me to generate 0 addresses for you?') if numberOfAddresses > 999: raise APIError( 5, 'You have (accidentally?) specified too many addresses to' ' make. Maximum 999. This check only exists to prevent' ' mischief; if you really want to create more addresses than' ' this, contact the Bitmessage developers and we can modify' ' the check or you can do it yourself by searching the source' ' code for this message.') queues.apiAddressGeneratorReturnQueue.queue.clear() logger.debug( 'Requesting that the addressGenerator create %s addresses.', numberOfAddresses) queues.addressGeneratorQueue.put(( 'createDeterministicAddresses', addressVersionNumber, streamNumber, 'unused API address', numberOfAddresses, passphrase, eighteenByteRipe, nonceTrialsPerByte, payloadLengthExtraBytes )) return {'addresses': queues.apiAddressGeneratorReturnQueue.get()} @command('getDeterministicAddress') def HandleGetDeterministicAddress( self, passphrase, addressVersionNumber, streamNumber): """ Similar to *createDeterministicAddresses* except that the one address that is returned will not be added to the Bitmessage user interface or the keys.dat file. """ numberOfAddresses = 1 eighteenByteRipe = False if not passphrase: raise APIError(1, 'The specified passphrase is blank.') passphrase = self._decode(passphrase, "base64") if addressVersionNumber not in (3, 4): raise APIError( 2, 'The address version number currently must be 3 or 4. %i' ' isn\'t supported.' % addressVersionNumber) if streamNumber != 1: raise APIError( 3, ' The stream number must be 1. Others aren\'t supported.') queues.apiAddressGeneratorReturnQueue.queue.clear() logger.debug( 'Requesting that the addressGenerator create %s addresses.', numberOfAddresses) queues.addressGeneratorQueue.put(( 'getDeterministicAddress', addressVersionNumber, streamNumber, 'unused API address', numberOfAddresses, passphrase, eighteenByteRipe )) return queues.apiAddressGeneratorReturnQueue.get() @command('createChan') def HandleCreateChan(self, passphrase): """ Creates a new chan. passphrase must be base64 encoded. Returns the corresponding Bitmessage address. """ passphrase = self._decode(passphrase, "base64") if not passphrase: raise APIError(1, 'The specified passphrase is blank.') # It would be nice to make the label the passphrase but it is # possible that the passphrase contains non-utf-8 characters. try: unicode(passphrase, 'utf-8') label = str_chan + ' ' + passphrase except UnicodeDecodeError: label = str_chan + ' ' + repr(passphrase) addressVersionNumber = 4 streamNumber = 1 queues.apiAddressGeneratorReturnQueue.queue.clear() logger.debug( 'Requesting that the addressGenerator create chan %s.', passphrase) queues.addressGeneratorQueue.put(( 'createChan', addressVersionNumber, streamNumber, label, passphrase, True )) queueReturn = queues.apiAddressGeneratorReturnQueue.get() try: return queueReturn[0] except IndexError: raise APIError(24, 'Chan address is already present.') @command('joinChan') def HandleJoinChan(self, passphrase, suppliedAddress): """ Join a chan. passphrase must be base64 encoded. Returns 'success'. """ passphrase = self._decode(passphrase, "base64") if not passphrase: raise APIError(1, 'The specified passphrase is blank.') # It would be nice to make the label the passphrase but it is # possible that the passphrase contains non-utf-8 characters. try: unicode(passphrase, 'utf-8') label = str_chan + ' ' + passphrase except UnicodeDecodeError: label = str_chan + ' ' + repr(passphrase) self._verifyAddress(suppliedAddress) suppliedAddress = addBMIfNotPresent(suppliedAddress) queues.apiAddressGeneratorReturnQueue.queue.clear() queues.addressGeneratorQueue.put(( 'joinChan', suppliedAddress, label, passphrase, True )) queueReturn = queues.apiAddressGeneratorReturnQueue.get() try: if queueReturn[0] == 'chan name does not match address': raise APIError(18, 'Chan name does not match address.') except IndexError: raise APIError(24, 'Chan address is already present.') return "success" @command('leaveChan') def HandleLeaveChan(self, address): """ Leave a chan. Returns 'success'. .. note:: at this time, the address is still shown in the UI until a restart. """ self._verifyAddress(address) address = addBMIfNotPresent(address) if not self.config.safeGetBoolean(address, 'chan'): raise APIError( 25, 'Specified address is not a chan address.' ' Use deleteAddress API call instead.') try: self.config.remove_section(address) except ConfigParser.NoSectionError: raise APIError( 13, 'Could not find this address in your keys.dat file.') self.config.save() queues.UISignalQueue.put(('rerenderMessagelistFromLabels', '')) queues.UISignalQueue.put(('rerenderMessagelistToLabels', '')) return "success" @command('deleteAddress') def HandleDeleteAddress(self, address): """ Permanently delete the address from keys.dat file. Returns 'success'. """ self._verifyAddress(address) address = addBMIfNotPresent(address) try: self.config.remove_section(address) except ConfigParser.NoSectionError: raise APIError( 13, 'Could not find this address in your keys.dat file.') self.config.save() queues.UISignalQueue.put(('writeNewAddressToTable', ('', '', ''))) shared.reloadMyAddressHashes() return "success" @command('getAllInboxMessages') def HandleGetAllInboxMessages(self): """ Returns a dict with all inbox messages in the *inboxMessages* key. The message is a dict with such keys: *msgid*, *toAddress*, *fromAddress*, *subject*, *message*, *encodingType*, *receivedTime*, *read*. *msgid* is hex encoded string. *subject* and *message* are base64 encoded. """ queryreturn = sqlQuery( "SELECT msgid, toaddress, fromaddress, subject, received, message," " encodingtype, read FROM inbox WHERE folder='inbox'" " ORDER BY received" ) return {"inboxMessages": [ self._dump_inbox_message(*data) for data in queryreturn ]} @command('getAllInboxMessageIds', 'getAllInboxMessageIDs') def HandleGetAllInboxMessageIds(self): """ The same as *getAllInboxMessages* but returns only *msgid*s, result key - *inboxMessageIds*. """ queryreturn = sqlQuery( "SELECT msgid FROM inbox where folder='inbox' ORDER BY received") return {"inboxMessageIds": [ {'msgid': hexlify(msgid)} for msgid, in queryreturn ]} @command('getInboxMessageById', 'getInboxMessageByID') def HandleGetInboxMessageById(self, hid, readStatus=None): """ Returns a dict with list containing single message in the result key *inboxMessage*. May also return None if message was not found. :param str hid: hex encoded msgid :param bool readStatus: sets the message's read status if present """ msgid = self._decode(hid, "hex") if readStatus is not None: if not isinstance(readStatus, bool): raise APIError( 23, 'Bool expected in readStatus, saw %s instead.' % type(readStatus)) queryreturn = sqlQuery( "SELECT read FROM inbox WHERE msgid=?", msgid) # UPDATE is slow, only update if status is different try: if (queryreturn[0][0] == 1) != readStatus: sqlExecute( "UPDATE inbox set read = ? WHERE msgid=?", readStatus, msgid) queues.UISignalQueue.put(('changedInboxUnread', None)) except IndexError: pass queryreturn = sqlQuery( "SELECT msgid, toaddress, fromaddress, subject, received, message," " encodingtype, read FROM inbox WHERE msgid=?", msgid ) try: return {"inboxMessage": [ self._dump_inbox_message(*queryreturn[0])]} except IndexError: pass # FIXME inconsistent @command('getAllSentMessages') def HandleGetAllSentMessages(self): """ The same as *getAllInboxMessages* but for sent, result key - *sentMessages*. Message dict keys are: *msgid*, *toAddress*, *fromAddress*, *subject*, *message*, *encodingType*, *lastActionTime*, *status*, *ackData*. *ackData* is also a hex encoded string. """ queryreturn = sqlQuery( "SELECT msgid, toaddress, fromaddress, subject, lastactiontime," " message, encodingtype, status, ackdata FROM sent" " WHERE folder='sent' ORDER BY lastactiontime" ) return {"sentMessages": [ self._dump_sent_message(*data) for data in queryreturn ]} @command('getAllSentMessageIds', 'getAllSentMessageIDs') def HandleGetAllSentMessageIds(self): """ The same as *getAllInboxMessageIds* but for sent, result key - *sentMessageIds*. """ queryreturn = sqlQuery( "SELECT msgid FROM sent WHERE folder='sent'" " ORDER BY lastactiontime" ) return {"sentMessageIds": [ {'msgid': hexlify(msgid)} for msgid, in queryreturn ]} # after some time getInboxMessagesByAddress should be removed @command('getInboxMessagesByReceiver', 'legacy:getInboxMessagesByAddress') def HandleInboxMessagesByReceiver(self, toAddress): """ The same as *getAllInboxMessages* but returns only messages for toAddress. """ queryreturn = sqlQuery( "SELECT msgid, toaddress, fromaddress, subject, received," " message, encodingtype, read FROM inbox WHERE folder='inbox'" " AND toAddress=?", toAddress) return {"inboxMessages": [ self._dump_inbox_message(*data) for data in queryreturn ]} @command('getSentMessageById', 'getSentMessageByID') def HandleGetSentMessageById(self, hid): """ Similiar to *getInboxMessageById* but doesn't change message's read status (sent messages have no such field). Result key is *sentMessage* """ msgid = self._decode(hid, "hex") queryreturn = sqlQuery( "SELECT msgid, toaddress, fromaddress, subject, lastactiontime," " message, encodingtype, status, ackdata FROM sent WHERE msgid=?", msgid ) try: return {"sentMessage": [ self._dump_sent_message(*queryreturn[0]) ]} except IndexError: pass # FIXME inconsistent @command('getSentMessagesByAddress', 'getSentMessagesBySender') def HandleGetSentMessagesByAddress(self, fromAddress): """ The same as *getAllSentMessages* but returns only messages from fromAddress. """ queryreturn = sqlQuery( "SELECT msgid, toaddress, fromaddress, subject, lastactiontime," " message, encodingtype, status, ackdata FROM sent" " WHERE folder='sent' AND fromAddress=? ORDER BY lastactiontime", fromAddress ) return {"sentMessages": [ self._dump_sent_message(*data) for data in queryreturn ]} @command('getSentMessageByAckData') def HandleGetSentMessagesByAckData(self, ackData): """ Similiar to *getSentMessageById* but searches by ackdata (also hex encoded). """ ackData = self._decode(ackData, "hex") queryreturn = sqlQuery( "SELECT msgid, toaddress, fromaddress, subject, lastactiontime," " message, encodingtype, status, ackdata FROM sent" " WHERE ackdata=?", ackData ) try: return {"sentMessage": [ self._dump_sent_message(*queryreturn[0]) ]} except IndexError: pass # FIXME inconsistent @command('trashMessage') def HandleTrashMessage(self, msgid): """ Trash message by msgid (encoded in hex). Returns a simple message saying that the message was trashed assuming it ever even existed. Prior existence is not checked. """ msgid = self._decode(msgid, "hex") # Trash if in inbox table helper_inbox.trash(msgid) # Trash if in sent table sqlExecute("UPDATE sent SET folder='trash' WHERE msgid=?", msgid) return 'Trashed message (assuming message existed).' @command('trashInboxMessage') def HandleTrashInboxMessage(self, msgid): """Trash inbox message by msgid (encoded in hex).""" msgid = self._decode(msgid, "hex") helper_inbox.trash(msgid) return 'Trashed inbox message (assuming message existed).' @command('trashSentMessage') def HandleTrashSentMessage(self, msgid): """Trash sent message by msgid (encoded in hex).""" msgid = self._decode(msgid, "hex") sqlExecute('''UPDATE sent SET folder='trash' WHERE msgid=?''', msgid) return 'Trashed sent message (assuming message existed).' @command('sendMessage') def HandleSendMessage( self, toAddress, fromAddress, subject, message, encodingType=2, TTL=4 * 24 * 60 * 60 ): """ Send the message and return ackdata (hex encoded string). subject and message must be encoded in base64 which may optionally include line breaks. TTL is specified in seconds; values outside the bounds of 3600 to 2419200 will be moved to be within those bounds. TTL defaults to 4 days. """ # pylint: disable=too-many-locals if encodingType not in (2, 3): raise APIError(6, 'The encoding type must be 2 or 3.') subject = self._decode(subject, "base64") message = self._decode(message, "base64") if len(subject + message) > (2 ** 18 - 500): raise APIError(27, 'Message is too long.') if TTL < 60 * 60: TTL = 60 * 60 if TTL > 28 * 24 * 60 * 60: TTL = 28 * 24 * 60 * 60 toAddress = addBMIfNotPresent(toAddress) fromAddress = addBMIfNotPresent(fromAddress) self._verifyAddress(fromAddress) try: fromAddressEnabled = self.config.getboolean( fromAddress, 'enabled') except BaseException: raise APIError( 13, 'Could not find your fromAddress in the keys.dat file.') if not fromAddressEnabled: raise APIError(14, 'Your fromAddress is disabled. Cannot send.') ackdata = helper_sent.insert( toAddress=toAddress, fromAddress=fromAddress, subject=subject, message=message, encoding=encodingType, ttl=TTL) toLabel = '' queryreturn = sqlQuery( "SELECT label FROM addressbook WHERE address=?", toAddress) try: toLabel, = queryreturn[0][0] except IndexError: pass queues.UISignalQueue.put(('displayNewSentMessage', ( toAddress, toLabel, fromAddress, subject, message, ackdata))) queues.workerQueue.put(('sendmessage', toAddress)) return hexlify(ackdata) @command('sendBroadcast') def HandleSendBroadcast( self, fromAddress, subject, message, encodingType=2, TTL=4 * 24 * 60 * 60): """Send the broadcast message. Similiar to *sendMessage*.""" if encodingType not in (2, 3): raise APIError(6, 'The encoding type must be 2 or 3.') subject = self._decode(subject, "base64") message = self._decode(message, "base64") if len(subject + message) > (2 ** 18 - 500): raise APIError(27, 'Message is too long.') if TTL < 60 * 60: TTL = 60 * 60 if TTL > 28 * 24 * 60 * 60: TTL = 28 * 24 * 60 * 60 fromAddress = addBMIfNotPresent(fromAddress) self._verifyAddress(fromAddress) try: self.config.getboolean(fromAddress, 'enabled') except BaseException: raise APIError( 13, 'Could not find your fromAddress in the keys.dat file.') toAddress = str_broadcast_subscribers ackdata = helper_sent.insert( fromAddress=fromAddress, subject=subject, message=message, status='broadcastqueued', encoding=encodingType) toLabel = str_broadcast_subscribers queues.UISignalQueue.put(('displayNewSentMessage', ( toAddress, toLabel, fromAddress, subject, message, ackdata))) queues.workerQueue.put(('sendbroadcast', '')) return hexlify(ackdata) @command('getStatus') def HandleGetStatus(self, ackdata): """ Get the status of sent message by its ackdata (hex encoded). Returns one of these strings: notfound, msgqueued, broadcastqueued, broadcastsent, doingpubkeypow, awaitingpubkey, doingmsgpow, forcepow, msgsent, msgsentnoackexpected or ackreceived. """ if len(ackdata) < 76: # The length of ackData should be at least 38 bytes (76 hex digits) raise APIError(15, 'Invalid ackData object size.') ackdata = self._decode(ackdata, "hex") queryreturn = sqlQuery( "SELECT status FROM sent where ackdata=?", ackdata) try: return queryreturn[0][0] except IndexError: return 'notfound' @command('addSubscription') def HandleAddSubscription(self, address, label=''): """Subscribe to the address. label must be base64 encoded.""" if label: label = self._decode(label, "base64") try: unicode(label, 'utf-8') except UnicodeDecodeError: raise APIError(17, 'Label is not valid UTF-8 data.') self._verifyAddress(address) address = addBMIfNotPresent(address) # First we must check to see if the address is already in the # subscriptions list. queryreturn = sqlQuery( "SELECT * FROM subscriptions WHERE address=?", address) if queryreturn: raise APIError(16, 'You are already subscribed to that address.') sqlExecute( "INSERT INTO subscriptions VALUES (?,?,?)", label, address, True) shared.reloadBroadcastSendersForWhichImWatching() queues.UISignalQueue.put(('rerenderMessagelistFromLabels', '')) queues.UISignalQueue.put(('rerenderSubscriptions', '')) return 'Added subscription.' @command('deleteSubscription') def HandleDeleteSubscription(self, address): """ Unsubscribe from the address. The program does not check whether you were subscribed in the first place. """ address = addBMIfNotPresent(address) sqlExecute("DELETE FROM subscriptions WHERE address=?", address) shared.reloadBroadcastSendersForWhichImWatching() queues.UISignalQueue.put(('rerenderMessagelistFromLabels', '')) queues.UISignalQueue.put(('rerenderSubscriptions', '')) return 'Deleted subscription if it existed.' @command('listSubscriptions') def ListSubscriptions(self): """ Returns dict with a list of all subscriptions in the *subscriptions* key. """ queryreturn = sqlQuery( "SELECT label, address, enabled FROM subscriptions") data = [] for label, address, enabled in queryreturn: label = shared.fixPotentiallyInvalidUTF8Data(label) data.append({ 'label': base64.b64encode(label), 'address': address, 'enabled': enabled == 1 }) return {'subscriptions': data} @command('disseminatePreEncryptedMsg') def HandleDisseminatePreEncryptedMsg( self, encryptedPayload, requiredAverageProofOfWorkNonceTrialsPerByte, requiredPayloadLengthExtraBytes): """Handle a request to disseminate an encrypted message""" # The device issuing this command to PyBitmessage supplies a msg # object that has already been encrypted but which still needs the POW # to be done. PyBitmessage accepts this msg object and sends it out # to the rest of the Bitmessage network as if it had generated # the message itself. Please do not yet add this to the api doc. encryptedPayload = self._decode(encryptedPayload, "hex") # Let us do the POW and attach it to the front target = 2**64 / (( len(encryptedPayload) + requiredPayloadLengthExtraBytes + 8) * requiredAverageProofOfWorkNonceTrialsPerByte) logger.info( '(For msg message via API) Doing proof of work. Total required' ' difficulty: %s\nRequired small message difficulty: %s', float(requiredAverageProofOfWorkNonceTrialsPerByte) / defaults.networkDefaultProofOfWorkNonceTrialsPerByte, float(requiredPayloadLengthExtraBytes) / defaults.networkDefaultPayloadLengthExtraBytes, ) powStartTime = time.time() initialHash = hashlib.sha512(encryptedPayload).digest() trialValue, nonce = proofofwork.run(target, initialHash) logger.info( '(For msg message via API) Found proof of work %s\nNonce: %s\n' 'POW took %s seconds. %s nonce trials per second.', trialValue, nonce, int(time.time() - powStartTime), nonce / (time.time() - powStartTime) ) encryptedPayload = pack('>Q', nonce) + encryptedPayload toStreamNumber = decodeVarint(encryptedPayload[16:26])[0] inventoryHash = calculateInventoryHash(encryptedPayload) objectType = 2 TTL = 2.5 * 24 * 60 * 60 Inventory()[inventoryHash] = ( objectType, toStreamNumber, encryptedPayload, int(time.time()) + TTL, '' ) logger.info( 'Broadcasting inv for msg(API disseminatePreEncryptedMsg' ' command): %s', hexlify(inventoryHash)) queues.invQueue.put((toStreamNumber, inventoryHash)) @command('trashSentMessageByAckData') def HandleTrashSentMessageByAckDAta(self, ackdata): """Trash a sent message by ackdata (hex encoded)""" # This API method should only be used when msgid is not available ackdata = self._decode(ackdata, "hex") sqlExecute("UPDATE sent SET folder='trash' WHERE ackdata=?", ackdata) return 'Trashed sent message (assuming message existed).' @command('disseminatePubkey') def HandleDissimatePubKey(self, payload): """Handle a request to disseminate a public key""" # The device issuing this command to PyBitmessage supplies a pubkey # object to be disseminated to the rest of the Bitmessage network. # PyBitmessage accepts this pubkey object and sends it out to the rest # of the Bitmessage network as if it had generated the pubkey object # itself. Please do not yet add this to the api doc. payload = self._decode(payload, "hex") # Let us do the POW target = 2 ** 64 / (( len(payload) + defaults.networkDefaultPayloadLengthExtraBytes + 8 ) * defaults.networkDefaultProofOfWorkNonceTrialsPerByte) logger.info('(For pubkey message via API) Doing proof of work...') initialHash = hashlib.sha512(payload).digest() trialValue, nonce = proofofwork.run(target, initialHash) logger.info( '(For pubkey message via API) Found proof of work %s Nonce: %s', trialValue, nonce ) payload = pack('>Q', nonce) + payload pubkeyReadPosition = 8 # bypass the nonce if payload[pubkeyReadPosition:pubkeyReadPosition + 4] == \ '\x00\x00\x00\x00': # if this pubkey uses 8 byte time pubkeyReadPosition += 8 else: pubkeyReadPosition += 4 addressVersionLength = decodeVarint( payload[pubkeyReadPosition:pubkeyReadPosition + 10])[1] pubkeyReadPosition += addressVersionLength pubkeyStreamNumber = decodeVarint( payload[pubkeyReadPosition:pubkeyReadPosition + 10])[0] inventoryHash = calculateInventoryHash(payload) objectType = 1 # .. todo::: support v4 pubkeys TTL = 28 * 24 * 60 * 60 Inventory()[inventoryHash] = ( objectType, pubkeyStreamNumber, payload, int(time.time()) + TTL, '' ) logger.info( 'broadcasting inv within API command disseminatePubkey with' ' hash: %s', hexlify(inventoryHash)) queues.invQueue.put((pubkeyStreamNumber, inventoryHash)) @command( 'getMessageDataByDestinationHash', 'getMessageDataByDestinationTag') def HandleGetMessageDataByDestinationHash(self, requestedHash): """Handle a request to get message data by destination hash""" # Method will eventually be used by a particular Android app to # select relevant messages. Do not yet add this to the api # doc. if len(requestedHash) != 32: raise APIError( 19, 'The length of hash should be 32 bytes (encoded in hex' ' thus 64 characters).') requestedHash = self._decode(requestedHash, "hex") # This is not a particularly commonly used API function. Before we # use it we'll need to fill out a field in our inventory database # which is blank by default (first20bytesofencryptedmessage). queryreturn = sqlQuery( "SELECT hash, payload FROM inventory WHERE tag = ''" " and objecttype = 2") with SqlBulkExecute() as sql: for hash01, payload in queryreturn: readPosition = 16 # Nonce length + time length # Stream Number length readPosition += decodeVarint( payload[readPosition:readPosition + 10])[1] t = (payload[readPosition:readPosition + 32], hash01) sql.execute("UPDATE inventory SET tag=? WHERE hash=?", *t) queryreturn = sqlQuery( "SELECT payload FROM inventory WHERE tag = ?", requestedHash) return {"receivedMessageDatas": [ {'data': hexlify(payload)} for payload, in queryreturn ]} @command('clientStatus') def HandleClientStatus(self): """ Returns the bitmessage status as dict with keys *networkConnections*, *numberOfMessagesProcessed*, *numberOfBroadcastsProcessed*, *numberOfPubkeysProcessed*, *pendingDownload*, *networkStatus*, *softwareName*, *softwareVersion*. *networkStatus* will be one of these strings: "notConnected", "connectedButHaveNotReceivedIncomingConnections", or "connectedAndReceivingIncomingConnections". """ connections_num = len(network.stats.connectedHostsList()) if connections_num == 0: networkStatus = 'notConnected' elif state.clientHasReceivedIncomingConnections: networkStatus = 'connectedAndReceivingIncomingConnections' else: networkStatus = 'connectedButHaveNotReceivedIncomingConnections' return { 'networkConnections': connections_num, 'numberOfMessagesProcessed': state.numberOfMessagesProcessed, 'numberOfBroadcastsProcessed': state.numberOfBroadcastsProcessed, 'numberOfPubkeysProcessed': state.numberOfPubkeysProcessed, 'pendingDownload': network.stats.pendingDownload(), 'networkStatus': networkStatus, 'softwareName': 'PyBitmessage', 'softwareVersion': softwareVersion } @command('helloWorld') def HandleHelloWorld(self, a, b): """Test two string params""" return a + '-' + b @command('add') def HandleAdd(self, a, b): """Test two numeric params""" return a + b @command('statusBar') def HandleStatusBar(self, message): """Update GUI statusbar message""" queues.UISignalQueue.put(('updateStatusBar', message)) @command('deleteAndVacuum') def HandleDeleteAndVacuum(self): """Cleanup trashes and vacuum messages database""" sqlStoredProcedure('deleteandvacuume') return 'done' @command('shutdown') def HandleShutdown(self): """Shutdown the bitmessage. Returns 'done'.""" # backward compatible trick because False == 0 is True state.shutdown = False return 'done' def _handle_request(self, method, params): try: # pylint: disable=attribute-defined-outside-init self._method = method func = self._handlers[method] return func(self, *params) except KeyError: raise APIError(20, 'Invalid method: %s' % method) except TypeError as e: msg = 'Unexpected API Failure - %s' % e if 'argument' not in str(e): raise APIError(21, msg) argcount = len(params) maxcount = func.func_code.co_argcount if argcount > maxcount: msg = ( 'Command %s takes at most %s parameters (%s given)' % (method, maxcount, argcount)) else: mincount = maxcount - len(func.func_defaults or []) if argcount < mincount: msg = ( 'Command %s takes at least %s parameters (%s given)' % (method, mincount, argcount)) raise APIError(0, msg) finally: state.last_api_response = time.time() def _dispatch(self, method, params): _fault = None try: return self._handle_request(method, params) except APIError as e: _fault = e except varintDecodeError as e: logger.error(e) _fault = APIError( 26, 'Data contains a malformed varint. Some details: %s' % e) except Exception as e: logger.exception(e) _fault = APIError(21, 'Unexpected API Failure - %s' % e) if _fault: if self.config.safeGet( 'bitmessagesettings', 'apivariant') == 'legacy': return str(_fault) else: raise _fault # pylint: disable=raising-bad-type def _listMethods(self): """List all API commands""" return self._handlers.keys() def _methodHelp(self, method): return self._handlers[method].__doc__