epicyon/availability.py

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__filename__ = "availability.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
from webfinger import webfingerHandle
from auth import createBasicAuthHeader
from posts import getPersonBox
from session import postJson
from utils import getNicknameFromActor
from utils import getDomainFromActor
def setAvailability(baseDir: str,nickname: str,domain: str, \
status: str) -> bool:
"""Set an availability status
"""
# avoid giant strings
if len(status)>128:
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['availability']=status
with open(actorFilename, 'w') as fp:
commentjson.dump(actorJson, fp, indent=4, sort_keys=False)
return True
def getAvailability(baseDir: str,nickname: str,domain: str) -> str:
"""Returns the availability for a given person
"""
actorFilename=baseDir+'/accounts/'+nickname+'@'+domain+'.json'
if not os.path.isfile(actorFilename):
return False
with open(actorFilename, 'r') as fp:
actorJson=commentjson.load(fp)
if not actorJson.get('availability'):
return None
return actorJson['availability']
return None
def outboxAvailability(baseDir: str,nickname: str,messageJson: {},debug: bool) -> bool:
"""Handles receiving an availability update
"""
if not messageJson.get('type'):
return False
if not messageJson['type']=='Availability':
return False
if not messageJson.get('actor'):
return False
if not messageJson.get('object'):
return False
if not isinstance(messageJson['object'], str):
return False
actorNickname=getNicknameFromActor(messageJson['actor'])
if actorNickname!=nickname:
return False
domain,port=getDomainFromActor(messageJson['actor'])
status=messageJson['object'].replace('"','')
return setAvailability(baseDir,nickname,domain,status)
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def sendAvailabilityViaServer(baseDir: str,session, \
nickname: str,password: str, \
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domain: str,port: int, \
httpPrefix: str, \
status: str, \
cachedWebfingers: {},personCache: {}, \
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debug: bool,projectVersion: str) -> {}:
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"""Sets the availability for a person via c2s
"""
if not session:
print('WARN: No session for sendAvailabilityViaServer')
return 6
domainFull=domain
if port:
if port!=80 and port!=443:
if ':' not in domain:
domainFull=domain+':'+str(port)
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toUrl = httpPrefix+'://'+domainFull+'/users/'+nickname
ccUrl = httpPrefix+'://'+domainFull+'/users/'+nickname+'/followers'
newAvailabilityJson = {
'type': 'Availability',
'actor': httpPrefix+'://'+domainFull+'/users/'+nickname,
'object': '"'+status+'"',
'to': [toUrl],
'cc': [ccUrl]
}
handle=httpPrefix+'://'+domainFull+'/@'+nickname
# lookup the inbox for the To handle
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wfRequest = webfingerHandle(session,handle,httpPrefix,cachedWebfingers, \
domain,projectVersion)
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if not wfRequest:
if debug:
print('DEBUG: announce webfinger failed for '+handle)
return 1
postToBox='outbox'
# get the actor inbox for the To handle
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inboxUrl,pubKeyId,pubKey,fromPersonId,sharedInbox,capabilityAcquisition,avatarUrl,preferredName = \
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getPersonBox(baseDir,session,wfRequest,personCache, \
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projectVersion,httpPrefix,domain,postToBox)
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if not inboxUrl:
if debug:
print('DEBUG: No '+postToBox+' was found for '+handle)
return 3
if not fromPersonId:
if debug:
print('DEBUG: No actor was found for '+handle)
return 4
authHeader=createBasicAuthHeader(Nickname,password)
headers = {'host': domain, \
'Content-type': 'application/json', \
'Authorization': authHeader}
postResult = \
postJson(session,newAvailabilityJson,[],inboxUrl,headers,"inbox:write")
#if not postResult:
# if debug:
# print('DEBUG: POST announce failed for c2s to '+inboxUrl)
# return 5
if debug:
print('DEBUG: c2s POST availability success')
return newAvailabilityJson