epicyon/person.py

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__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
from Crypto.PublicKey import RSA
from webfinger import createWebfingerEndpoint
from webfinger import storeWebfingerEndpoint
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from posts import createOutbox
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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
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def createPerson(baseDir: str,username: str,domain: str,port: int,https: bool, saveToFile: bool) -> (str,str,{},{}):
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"""Returns the private key, public key, actor and webfinger endpoint
"""
prefix='https'
if not https:
prefix='http'
privateKeyPem,publicKeyPem=generateRSAKey()
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webfingerEndpoint=createWebfingerEndpoint(username,domain,port,https,publicKeyPem)
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if saveToFile:
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storeWebfingerEndpoint(username,domain,baseDir,webfingerEndpoint)
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handle=username.lower()+'@'+domain.lower()
if port!=80 and port!=443:
domain=domain+':'+str(port)
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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'},
'featured': {'@id': 'toot:featured', '@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': {'sharedInbox': prefix+'://'+domain+'/inbox'},
'featured': prefix+'://'+domain+'/users/'+username+'/collections/featured',
'followers': prefix+'://'+domain+'/users/'+username+'/followers',
'following': prefix+'://'+domain+'/users/'+username+'/following',
'icon': {'mediaType': 'image/png',
'type': 'Image',
'url': prefix+'://'+domain+'/users/'+username+'_icon.png'},
'id': prefix+'://'+domain+'/users/'+username,
'image': {'mediaType': 'image/png',
'type': 'Image',
'url': prefix+'://'+domain+'/users/'+username+'.png'},
'inbox': prefix+'://'+domain+'/users/'+username+'/inbox',
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'manuallyApprovesFollowers': False,
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'name': username,
'outbox': prefix+'://'+domain+'/users/'+username+'/outbox',
'preferredUsername': ''+username,
'publicKey': {'id': prefix+'://'+domain+'/users/'+username+'/main-key',
'owner': prefix+'://'+domain+'/users/'+username,
'publicKeyPem': publicKeyPem,
'summary': '',
'tag': [],
'type': 'Person',
'url': prefix+'://'+domain+'/@'+username}
}
if saveToFile:
# save person to file
peopleSubdir='/accounts'
if not os.path.isdir(baseDir+peopleSubdir):
os.mkdir(baseDir+peopleSubdir)
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)
return privateKeyPem,publicKeyPem,newPerson,webfingerEndpoint
def validUsername(username):
forbiddenChars=['.',' ','/','?',':',';','@']
for c in forbiddenChars:
if c in username:
return False
return True
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def personKeyLookup(domain: str,path: str,baseDir: str) -> str:
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"""Lookup the public key of the person with a given username
"""
if not path.endswith('/main-key'):
return None
if not path.startswith('/users/'):
return None
username=path.replace('/users/','',1).replace('/main-key','')
if not validUsername(username):
return None
handle=username.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)
if personJson.get('publicKey'):
if personJson['publicKey'].get('publicKeyPem'):
return personJson['publicKey']['publicKeyPem']
return None
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def personLookup(domain: str,path: str,baseDir: str) -> {}:
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"""Lookup the person for an given username
"""
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notPersonLookup=['/inbox','/outbox','/outboxarchive','/followers','/following','/featured','.png','.jpg','.gif','.mpv','#main-key','/main-key']
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for ending in notPersonLookup:
if path.endswith(ending):
return None
username=None
if path.startswith('/users/'):
username=path.replace('/users/','',1)
if path.startswith('/@'):
username=path.replace('/@','',1)
if not username:
return None
if not validUsername(username):
return None
handle=username.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
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def personOutboxJson(baseDir: str,domain: str,port: int,path: str,https: bool,noOfItems: int) -> []:
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"""Obtain the outbox feed for the given person
"""
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if not '/outbox' in path:
return None
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# Only show the header by default
headerOnly=True
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# handle page numbers
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pageNumber=None
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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]
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headerOnly=False
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if not path.endswith('/outbox'):
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return None
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username=None
if path.startswith('/users/'):
username=path.replace('/users/','',1).replace('/outbox','')
if path.startswith('/@'):
username=path.replace('/@','',1).replace('/outbox','')
if not username:
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return None
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if not validUsername(username):
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return None
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return createOutbox(baseDir,username,domain,port,https,noOfItems,headerOnly,pageNumber)
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def setPreferredUsername(username: str, domain: str, preferredName: str) -> bool:
if len(preferredName)>32:
return False
handle=username.lower()+'@'+domain.lower()
baseDir=os.getcwd()
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
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def setBio(username: str, domain: str, bio: str) -> bool:
if len(bio)>32:
return False
handle=username.lower()+'@'+domain.lower()
baseDir=os.getcwd()
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