epicyon/person.py

414 lines
16 KiB
Python

__filename__ = "person.py"
__author__ = "Bob Mottram"
__license__ = "AGPL3+"
__version__ = "0.0.1"
__maintainer__ = "Bob Mottram"
__email__ = "bob@freedombone.net"
__status__ = "Production"
import json
import commentjson
import os
import fileinput
import subprocess
from pprint import pprint
from pathlib import Path
from Crypto.PublicKey import RSA
from shutil import copyfile
from webfinger import createWebfingerEndpoint
from webfinger import storeWebfingerEndpoint
from posts import createOutbox
from auth import storeBasicCredentials
from roles import setRole
def generateRSAKey() -> (str,str):
key = RSA.generate(2048)
privateKeyPem = key.exportKey("PEM").decode("utf-8")
publicKeyPem = key.publickey().exportKey("PEM").decode("utf-8")
return privateKeyPem,publicKeyPem
def setProfileImage(baseDir: str,httpPrefix :str,nickname: str,domain: str, \
port :int,imageFilename: str,imageType :str,resolution :str) -> bool:
"""Saves the given image file as an avatar or background
image for the given person
"""
imageFilename=imageFilename.replace('\n','')
if not (imageFilename.endswith('.png') or \
imageFilename.endswith('.jpg') or \
imageFilename.endswith('.jpeg') or \
imageFilename.endswith('.gif')):
print('Profile image must be png, jpg or gif format')
return False
if imageFilename.startswith('~/'):
imageFilename=imageFilename.replace('~/',str(Path.home())+'/')
if ':' in domain:
domain=domain.split(':')[0]
fullDomain=domain
if port!=80 and port!=443:
fullDomain=domain+':'+str(port)
handle=nickname.lower()+'@'+domain.lower()
personFilename=baseDir+'/accounts/'+handle+'.json'
if not os.path.isfile(personFilename):
print('person definition not found: '+personFilename)
return False
if not os.path.isdir(baseDir+'/accounts/'+handle):
print('Account not found: '+baseDir+'/accounts/'+handle)
return False
iconFilenameBase='icon'
if imageType=='avatar' or imageType=='icon':
iconFilenameBase='icon'
else:
iconFilenameBase='image'
mediaType='image/png'
iconFilename=iconFilenameBase+'.png'
if imageFilename.endswith('.jpg') or \
imageFilename.endswith('.jpeg'):
mediaType='image/jpeg'
iconFilename=iconFilenameBase+'.jpg'
if imageFilename.endswith('.gif'):
mediaType='image/gif'
iconFilename=iconFilenameBase+'.gif'
profileFilename=baseDir+'/accounts/'+handle+'/'+iconFilename
with open(personFilename, 'r') as fp:
personJson=commentjson.load(fp)
personJson[iconFilenameBase]['mediaType']=mediaType
personJson[iconFilenameBase]['url']=httpPrefix+'://'+fullDomain+'/users/'+nickname+'/'+iconFilename
with open(personFilename, 'w') as fp:
commentjson.dump(personJson, fp, indent=4, sort_keys=False)
cmd = '/usr/bin/convert '+imageFilename+' -size '+resolution+' -quality 50 '+profileFilename
subprocess.call(cmd, shell=True)
return True
return False
def setOrganizationScheme(baseDir: str,nickname: str,domain: str, \
schema: str) -> bool:
"""Set the organization schema within which a person exists
This will define how roles, skills and availability are assembled
into organizations
"""
# avoid giant strings
if len(schema)>256:
return False
actorFilename=baseDir+'/accounts/'+nickname+'@'+domain+'.json'
if not os.path.isfile(actorFilename):
return False
with open(actorFilename, 'r') as fp:
actorJson=commentjson.load(fp)
actorJson['orgSchema']=schema
with open(actorFilename, 'w') as fp:
commentjson.dump(actorJson, fp, indent=4, sort_keys=False)
return True
def createPersonBase(baseDir: str,nickname: str,domain: str,port: int, \
httpPrefix: str, saveToFile: bool,password=None) -> (str,str,{},{}):
"""Returns the private key, public key, actor and webfinger endpoint
"""
privateKeyPem,publicKeyPem=generateRSAKey()
webfingerEndpoint= \
createWebfingerEndpoint(nickname,domain,port,httpPrefix,publicKeyPem)
if saveToFile:
storeWebfingerEndpoint(nickname,domain,port,baseDir,webfingerEndpoint)
handle=nickname.lower()+'@'+domain.lower()
if port!=80 and port!=443:
domain=domain+':'+str(port)
newPerson = {'@context': ['https://www.w3.org/ns/activitystreams',
'https://w3id.org/security/v1',
{'Emoji': 'toot:Emoji',
'Hashtag': 'as:Hashtag',
'IdentityProof': 'toot:IdentityProof',
'PropertyValue': 'schema:PropertyValue',
'alsoKnownAs': {'@id': 'as:alsoKnownAs', '@type': '@id'},
'focalPoint': {'@container': '@list', '@id': 'toot:focalPoint'},
'manuallyApprovesFollowers': 'as:manuallyApprovesFollowers',
'movedTo': {'@id': 'as:movedTo', '@type': '@id'},
'schema': 'http://schema.org#',
'toot': 'http://joinmastodon.org/ns#',
'value': 'schema:value'}],
'attachment': [],
'endpoints': {
'id': httpPrefix+'://'+domain+'/users/'+nickname+'/endpoints',
'sharedInbox': httpPrefix+'://'+domain+'/inbox',
},
'capabilityAcquisitionEndpoint': httpPrefix+'://'+domain+'/caps/new',
'followers': httpPrefix+'://'+domain+'/users/'+nickname+'/followers',
'following': httpPrefix+'://'+domain+'/users/'+nickname+'/following',
'orgSchema': None,
'skills': {},
'roles': {},
'availability': None,
'icon': {'mediaType': 'image/png',
'type': 'Image',
'url': httpPrefix+'://'+domain+'/users/'+nickname+'/avatar.png'},
'id': httpPrefix+'://'+domain+'/users/'+nickname,
'image': {'mediaType': 'image/png',
'type': 'Image',
'url': httpPrefix+'://'+domain+'/users/'+nickname+'/image.png'},
'inbox': httpPrefix+'://'+domain+'/users/'+nickname+'/inbox',
'manuallyApprovesFollowers': False,
'name': nickname,
'outbox': httpPrefix+'://'+domain+'/users/'+nickname+'/outbox',
'preferredUsername': ''+nickname,
'publicKey': {'id': httpPrefix+'://'+domain+'/users/'+nickname+'#main-key',
'owner': httpPrefix+'://'+domain+'/users/'+nickname,
'publicKeyPem': publicKeyPem,
'summary': '',
'tag': [],
'type': 'Person',
'url': httpPrefix+'://'+domain+'/@'+nickname}
}
if saveToFile:
# save person to file
peopleSubdir='/accounts'
if not os.path.isdir(baseDir+peopleSubdir):
os.mkdir(baseDir+peopleSubdir)
if not os.path.isdir(baseDir+peopleSubdir+'/'+handle):
os.mkdir(baseDir+peopleSubdir+'/'+handle)
if not os.path.isdir(baseDir+peopleSubdir+'/'+handle+'/inbox'):
os.mkdir(baseDir+peopleSubdir+'/'+handle+'/inbox')
if not os.path.isdir(baseDir+peopleSubdir+'/'+handle+'/outbox'):
os.mkdir(baseDir+peopleSubdir+'/'+handle+'/outbox')
if not os.path.isdir(baseDir+peopleSubdir+'/'+handle+'/ocap'):
os.mkdir(baseDir+peopleSubdir+'/'+handle+'/ocap')
if not os.path.isdir(baseDir+peopleSubdir+'/'+handle+'/queue'):
os.mkdir(baseDir+peopleSubdir+'/'+handle+'/queue')
filename=baseDir+peopleSubdir+'/'+handle+'.json'
with open(filename, 'w') as fp:
commentjson.dump(newPerson, fp, indent=4, sort_keys=False)
# save the private key
privateKeysSubdir='/keys/private'
if not os.path.isdir(baseDir+'/keys'):
os.mkdir(baseDir+'/keys')
if not os.path.isdir(baseDir+privateKeysSubdir):
os.mkdir(baseDir+privateKeysSubdir)
filename=baseDir+privateKeysSubdir+'/'+handle+'.key'
with open(filename, "w") as text_file:
print(privateKeyPem, file=text_file)
# save the public key
publicKeysSubdir='/keys/public'
if not os.path.isdir(baseDir+publicKeysSubdir):
os.mkdir(baseDir+publicKeysSubdir)
filename=baseDir+publicKeysSubdir+'/'+handle+'.pem'
with open(filename, "w") as text_file:
print(publicKeyPem, file=text_file)
if password:
storeBasicCredentials(baseDir,nickname,password)
return privateKeyPem,publicKeyPem,newPerson,webfingerEndpoint
def noOfAccounts(baseDir: str) -> bool:
"""Returns the number of accounts on the system
"""
accountCtr=0
for subdir, dirs, files in os.walk(baseDir+'/accounts'):
for account in dirs:
if '@' in account:
if not account.startswith('inbox'):
accountCtr+=1
return accountCtr
def createPerson(baseDir: str,nickname: str,domain: str,port: int, \
httpPrefix: str, saveToFile: bool,password=None) -> (str,str,{},{}):
"""Returns the private key, public key, actor and webfinger endpoint
"""
if not validNickname(nickname):
return None,None,None,None
privateKeyPem,publicKeyPem,newPerson,webfingerEndpoint = \
createPersonBase(baseDir,nickname,domain,port,httpPrefix,saveToFile,password)
if noOfAccounts(baseDir)==1:
#print(nickname+' becomes the instance admin and a moderator')
setRole(baseDir,nickname,domain,'instance','admin')
setRole(baseDir,nickname,domain,'instance','moderator')
setRole(baseDir,nickname,domain,'instance','delegator')
if os.path.isfile(baseDir+'/img/default-avatar.png'):
copyfile(baseDir+'/img/default-avatar.png',baseDir+'/accounts/'+nickname+'@'+domain+'/avatar.png')
if os.path.isfile(baseDir+'/img/image.png'):
copyfile(baseDir+'/img/image.png',baseDir+'/accounts/'+nickname+'@'+domain+'/image.png')
return privateKeyPem,publicKeyPem,newPerson,webfingerEndpoint
def createSharedInbox(baseDir: str,nickname: str,domain: str,port: int, \
httpPrefix: str) -> (str,str,{},{}):
"""Generates the shared inbox
"""
return createPersonBase(baseDir,nickname,domain,port,httpPrefix,True,None)
def createCapabilitiesInbox(baseDir: str,nickname: str,domain: str,port: int, \
httpPrefix: str) -> (str,str,{},{}):
"""Generates the capabilities inbox to sign requests
"""
return createPersonBase(baseDir,nickname,domain,port,httpPrefix,True,None)
def validNickname(nickname: str) -> bool:
forbiddenChars=['.',' ','/','?',':',';','@']
for c in forbiddenChars:
if c in nickname:
return False
reservedNames=['inbox','outbox','following','followers','capabilities']
if nickname in reservedNames:
return False
return True
def personLookup(domain: str,path: str,baseDir: str) -> {}:
"""Lookup the person for an given nickname
"""
if path.endswith('#main-key'):
path=path.replace('#main-key','')
notPersonLookup=['/inbox','/outbox','/outboxarchive', \
'/followers','/following','/featured', \
'.png','.jpg','.gif','.mpv']
for ending in notPersonLookup:
if path.endswith(ending):
return None
nickname=None
if path.startswith('/users/'):
nickname=path.replace('/users/','',1)
if path.startswith('/@'):
nickname=path.replace('/@','',1)
if not nickname:
return None
if not validNickname(nickname):
return None
if ':' in domain:
domain=domain.split(':')[0]
handle=nickname.lower()+'@'+domain.lower()
filename=baseDir+'/accounts/'+handle.lower()+'.json'
if not os.path.isfile(filename):
return None
personJson={"user": "unknown"}
with open(filename, 'r') as fp:
personJson=commentjson.load(fp)
return personJson
def personBoxJson(baseDir: str,domain: str,port: int,path: str, \
httpPrefix: str,noOfItems: int,boxname: str, \
authorized: bool,ocapAlways: bool) -> []:
"""Obtain the inbox/outbox feed for the given person
"""
if boxname!='inbox' and boxname!='outbox':
return None
if not '/'+boxname in path:
return None
# Only show the header by default
headerOnly=True
# handle page numbers
pageNumber=None
if '?page=' in path:
pageNumber=path.split('?page=')[1]
if pageNumber=='true':
pageNumber=1
else:
try:
pageNumber=int(pageNumber)
except:
pass
path=path.split('?page=')[0]
headerOnly=False
if not path.endswith('/'+boxname):
return None
nickname=None
if path.startswith('/users/'):
nickname=path.replace('/users/','',1).replace('/'+boxname,'')
if path.startswith('/@'):
nickname=path.replace('/@','',1).replace('/'+boxname,'')
if not nickname:
return None
if not validNickname(nickname):
return None
if boxname=='inbox':
return createInbox(baseDir,nickname,domain,port,httpPrefix, \
noOfItems,headerOnly,ocapAlways,pageNumber)
return createOutbox(baseDir,nickname,domain,port,httpPrefix, \
noOfItems,headerOnly,authorized,pageNumber)
def personInboxJson(baseDir: str,domain: str,port: int,path: str, \
httpPrefix: str,noOfItems: int,ocapAlways: bool) -> []:
"""Obtain the inbox feed for the given person
Authentication is expected to have already happened
"""
if not '/inbox' in path:
return None
# Only show the header by default
headerOnly=True
# handle page numbers
pageNumber=None
if '?page=' in path:
pageNumber=path.split('?page=')[1]
if pageNumber=='true':
pageNumber=1
else:
try:
pageNumber=int(pageNumber)
except:
pass
path=path.split('?page=')[0]
headerOnly=False
if not path.endswith('/inbox'):
return None
nickname=None
if path.startswith('/users/'):
nickname=path.replace('/users/','',1).replace('/inbox','')
if path.startswith('/@'):
nickname=path.replace('/@','',1).replace('/inbox','')
if not nickname:
return None
if not validNickname(nickname):
return None
return createInbox(baseDir,nickname,domain,port,httpPrefix, \
noOfItems,headerOnly,ocapAlways,pageNumber)
def setPreferredNickname(baseDir: str,nickname: str, domain: str, \
preferredName: str) -> bool:
if len(preferredName)>32:
return False
handle=nickname.lower()+'@'+domain.lower()
filename=baseDir+'/accounts/'+handle.lower()+'.json'
if not os.path.isfile(filename):
return False
personJson=None
with open(filename, 'r') as fp:
personJson=commentjson.load(fp)
if not personJson:
return False
personJson['preferredUsername']=preferredName
with open(filename, 'w') as fp:
commentjson.dump(personJson, fp, indent=4, sort_keys=False)
return True
def setBio(baseDir: str,nickname: str, domain: str, bio: str) -> bool:
if len(bio)>32:
return False
handle=nickname.lower()+'@'+domain.lower()
filename=baseDir+'/accounts/'+handle.lower()+'.json'
if not os.path.isfile(filename):
return False
personJson=None
with open(filename, 'r') as fp:
personJson=commentjson.load(fp)
if not personJson:
return False
if not personJson.get('publicKey'):
return False
personJson['publicKey']['summary']=bio
with open(filename, 'w') as fp:
commentjson.dump(personJson, fp, indent=4, sort_keys=False)
return True