epicyon/outbox.py

417 lines
17 KiB
Python

__filename__ = "outbox.py"
__author__ = "Bob Mottram"
__license__ = "AGPL3+"
__version__ = "1.2.0"
__maintainer__ = "Bob Mottram"
__email__ = "bob@freedombone.net"
__status__ = "Production"
import os
from shutil import copyfile
from session import createSession
from auth import createPassword
from posts import outboxMessageCreateWrap
from posts import savePostToBox
from posts import sendToFollowersThread
from posts import sendToNamedAddresses
from utils import getLocalNetworkAddresses
from utils import getFullDomain
from utils import removeIdEnding
from utils import getDomainFromActor
from utils import dangerousMarkup
from utils import isFeaturedWriter
from blocking import isBlockedDomain
from blocking import outboxBlock
from blocking import outboxUndoBlock
from media import replaceYouTube
from media import getMediaPath
from media import createMediaDirs
from inbox import inboxUpdateIndex
from announce import outboxAnnounce
from follow import outboxUndoFollow
from roles import outboxDelegate
from skills import outboxSkills
from availability import outboxAvailability
from like import outboxLike
from like import outboxUndoLike
from bookmarks import outboxBookmark
from bookmarks import outboxUndoBookmark
from delete import outboxDelete
from shares import outboxShareUpload
from shares import outboxUndoShareUpload
def postMessageToOutbox(messageJson: {}, postToNickname: str,
server, baseDir: str, httpPrefix: str,
domain: str, domainFull: str,
onionDomain: str, i2pDomain: str, port: int,
recentPostsCache: {}, followersThreads: [],
federationList: [], sendThreads: [],
postLog: [], cachedWebfingers: {},
personCache: {}, allowDeletion: bool,
proxyType: str, version: str, debug: bool,
YTReplacementDomain: str,
showPublishedDateOnly: bool,
allowLocalNetworkAccess: bool) -> bool:
"""post is received by the outbox
Client to server message post
https://www.w3.org/TR/activitypub/#client-to-server-outbox-delivery
"""
if not messageJson.get('type'):
if debug:
print('DEBUG: POST to outbox has no "type" parameter')
return False
if not messageJson.get('object') and messageJson.get('content'):
if messageJson['type'] != 'Create':
# https://www.w3.org/TR/activitypub/#object-without-create
if debug:
print('DEBUG: POST to outbox - adding Create wrapper')
messageJson = \
outboxMessageCreateWrap(httpPrefix,
postToNickname,
domain, port,
messageJson)
# check that the outgoing post doesn't contain any markup
# which can be used to implement exploits
if messageJson.get('object'):
if isinstance(messageJson['object'], dict):
if messageJson['object'].get('content'):
if dangerousMarkup(messageJson['object']['content'],
allowLocalNetworkAccess):
print('POST to outbox contains dangerous markup: ' +
str(messageJson))
return False
if messageJson['type'] == 'Create':
if not (messageJson.get('id') and
messageJson.get('type') and
messageJson.get('actor') and
messageJson.get('object') and
messageJson.get('to')):
if not messageJson.get('id'):
if debug:
print('DEBUG: POST to outbox - ' +
'Create does not have the id parameter ' +
str(messageJson))
elif not messageJson.get('id'):
if debug:
print('DEBUG: POST to outbox - ' +
'Create does not have the type parameter ' +
str(messageJson))
elif not messageJson.get('id'):
if debug:
print('DEBUG: POST to outbox - ' +
'Create does not have the actor parameter ' +
str(messageJson))
elif not messageJson.get('id'):
if debug:
print('DEBUG: POST to outbox - ' +
'Create does not have the object parameter ' +
str(messageJson))
else:
if debug:
print('DEBUG: POST to outbox - ' +
'Create does not have the "to" parameter ' +
str(messageJson))
return False
# actor should be a string
if not isinstance(messageJson['actor'], str):
return False
# actor should look like a url
if '://' not in messageJson['actor'] or \
'.' not in messageJson['actor']:
return False
# sent by an actor on a local network address?
if not allowLocalNetworkAccess:
localNetworkPatternList = getLocalNetworkAddresses()
for localNetworkPattern in localNetworkPatternList:
if localNetworkPattern in messageJson['actor']:
return False
testDomain, testPort = getDomainFromActor(messageJson['actor'])
testDomain = getFullDomain(testDomain, testPort)
if isBlockedDomain(baseDir, testDomain):
if debug:
print('DEBUG: domain is blocked: ' + messageJson['actor'])
return False
# replace youtube, so that google gets less tracking data
replaceYouTube(messageJson, YTReplacementDomain)
# https://www.w3.org/TR/activitypub/#create-activity-outbox
messageJson['object']['attributedTo'] = messageJson['actor']
if messageJson['object'].get('attachment'):
attachmentIndex = 0
attach = messageJson['object']['attachment'][attachmentIndex]
if attach.get('mediaType'):
fileExtension = 'png'
mediaTypeStr = \
attach['mediaType']
extensions = {
"jpeg": "jpg",
"gif": "gif",
"svg": "svg",
"webp": "webp",
"avif": "avif",
"audio/mpeg": "mp3",
"ogg": "ogg",
"mp4": "mp4",
"webm": "webm",
"ogv": "ogv"
}
for matchExt, ext in extensions.items():
if mediaTypeStr.endswith(matchExt):
fileExtension = ext
break
mediaDir = \
baseDir + '/accounts/' + \
postToNickname + '@' + domain
uploadMediaFilename = mediaDir + '/upload.' + fileExtension
if not os.path.isfile(uploadMediaFilename):
del messageJson['object']['attachment']
else:
# generate a path for the uploaded image
mPath = getMediaPath()
mediaPath = mPath + '/' + \
createPassword(32) + '.' + fileExtension
createMediaDirs(baseDir, mPath)
mediaFilename = baseDir + '/' + mediaPath
# move the uploaded image to its new path
os.rename(uploadMediaFilename, mediaFilename)
# change the url of the attachment
attach['url'] = \
httpPrefix + '://' + domainFull + '/' + mediaPath
permittedOutboxTypes = ('Create', 'Announce', 'Like', 'Follow', 'Undo',
'Update', 'Add', 'Remove', 'Block', 'Delete',
'Delegate', 'Skill', 'Bookmark', 'Event')
if messageJson['type'] not in permittedOutboxTypes:
if debug:
print('DEBUG: POST to outbox - ' + messageJson['type'] +
' is not a permitted activity type')
return False
if messageJson.get('id'):
postId = removeIdEnding(messageJson['id'])
if debug:
print('DEBUG: id attribute exists within POST to outbox')
else:
if debug:
print('DEBUG: No id attribute within POST to outbox')
postId = None
if debug:
print('DEBUG: savePostToBox')
if messageJson['type'] != 'Upgrade':
outboxName = 'outbox'
# if this is a blog post or an event then save to its own box
if messageJson['type'] == 'Create':
if messageJson.get('object'):
if isinstance(messageJson['object'], dict):
if messageJson['object'].get('type'):
if messageJson['object']['type'] == 'Article':
outboxName = 'tlblogs'
elif messageJson['object']['type'] == 'Event':
outboxName = 'tlevents'
savedFilename = \
savePostToBox(baseDir,
httpPrefix,
postId,
postToNickname, domainFull,
messageJson, outboxName)
if not savedFilename:
print('WARN: post not saved to outbox ' + outboxName)
return False
# save all instance blogs to the news actor
if postToNickname != 'news' and outboxName == 'tlblogs':
if '/' in savedFilename:
if isFeaturedWriter(baseDir, postToNickname, domain):
savedPostId = savedFilename.split('/')[-1]
blogsDir = \
baseDir + '/accounts/news@' + domain + '/tlblogs'
if not os.path.isdir(blogsDir):
os.mkdir(blogsDir)
copyfile(savedFilename, blogsDir + '/' + savedPostId)
inboxUpdateIndex('tlblogs', baseDir,
'news@' + domain,
savedFilename, debug)
# clear the citations file if it exists
citationsFilename = \
baseDir + '/accounts/' + \
postToNickname + '@' + domain + '/.citations.txt'
if os.path.isfile(citationsFilename):
os.remove(citationsFilename)
if messageJson['type'] == 'Create' or \
messageJson['type'] == 'Question' or \
messageJson['type'] == 'Note' or \
messageJson['type'] == 'EncryptedMessage' or \
messageJson['type'] == 'Article' or \
messageJson['type'] == 'Event' or \
messageJson['type'] == 'Patch' or \
messageJson['type'] == 'Announce':
indexes = [outboxName, "inbox"]
selfActor = \
httpPrefix + '://' + domainFull + '/users/' + postToNickname
for boxNameIndex in indexes:
if not boxNameIndex:
continue
if boxNameIndex == 'inbox' and outboxName == 'tlblogs':
continue
# avoid duplicates of the message if already going
# back to the inbox of the same account
if selfActor not in messageJson['to']:
# show sent post within the inbox,
# as is the typical convention
inboxUpdateIndex(boxNameIndex, baseDir,
postToNickname + '@' + domain,
savedFilename, debug)
if outboxAnnounce(recentPostsCache,
baseDir, messageJson, debug):
if debug:
print('DEBUG: Updated announcements (shares) collection ' +
'for the post associated with the Announce activity')
if not server.session:
print('DEBUG: creating new session for c2s')
server.session = createSession(proxyType)
if not server.session:
print('ERROR: Failed to create session for postMessageToOutbox')
return False
if debug:
print('DEBUG: sending c2s post to followers')
# remove inactive threads
inactiveFollowerThreads = []
for th in followersThreads:
if not th.is_alive():
inactiveFollowerThreads.append(th)
for th in inactiveFollowerThreads:
followersThreads.remove(th)
if debug:
print('DEBUG: ' + str(len(followersThreads)) +
' followers threads active')
# retain up to 200 threads
if len(followersThreads) > 200:
# kill the thread if it is still alive
if followersThreads[0].is_alive():
followersThreads[0].kill()
# remove it from the list
followersThreads.pop(0)
# create a thread to send the post to followers
followersThread = \
sendToFollowersThread(server.session,
baseDir,
postToNickname,
domain, onionDomain, i2pDomain,
port, httpPrefix,
federationList,
sendThreads,
postLog,
cachedWebfingers,
personCache,
messageJson, debug,
version)
followersThreads.append(followersThread)
if debug:
print('DEBUG: handle any unfollow requests')
outboxUndoFollow(baseDir, messageJson, debug)
if debug:
print('DEBUG: handle delegation requests')
outboxDelegate(baseDir, postToNickname, messageJson, debug)
if debug:
print('DEBUG: handle skills changes requests')
outboxSkills(baseDir, postToNickname, messageJson, debug)
if debug:
print('DEBUG: handle availability changes requests')
outboxAvailability(baseDir, postToNickname, messageJson, debug)
if debug:
print('DEBUG: handle any like requests')
outboxLike(recentPostsCache,
baseDir, httpPrefix,
postToNickname, domain, port,
messageJson, debug)
if debug:
print('DEBUG: handle any undo like requests')
outboxUndoLike(recentPostsCache,
baseDir, httpPrefix,
postToNickname, domain, port,
messageJson, debug)
if debug:
print('DEBUG: handle any bookmark requests')
outboxBookmark(recentPostsCache,
baseDir, httpPrefix,
postToNickname, domain, port,
messageJson, debug)
if debug:
print('DEBUG: handle any undo bookmark requests')
outboxUndoBookmark(recentPostsCache,
baseDir, httpPrefix,
postToNickname, domain, port,
messageJson, debug)
if debug:
print('DEBUG: handle delete requests')
outboxDelete(baseDir, httpPrefix,
postToNickname, domain,
messageJson, debug,
allowDeletion,
recentPostsCache)
if debug:
print('DEBUG: handle block requests')
outboxBlock(baseDir, httpPrefix,
postToNickname, domain,
port,
messageJson, debug)
if debug:
print('DEBUG: handle undo block requests')
outboxUndoBlock(baseDir, httpPrefix,
postToNickname, domain,
port, messageJson, debug)
if debug:
print('DEBUG: handle share uploads')
outboxShareUpload(baseDir, httpPrefix,
postToNickname, domain,
port, messageJson, debug)
if debug:
print('DEBUG: handle undo share uploads')
outboxUndoShareUpload(baseDir, httpPrefix,
postToNickname, domain,
port, messageJson, debug)
if debug:
print('DEBUG: sending c2s post to named addresses')
if messageJson.get('to'):
print('c2s sender: ' +
postToNickname + '@' + domain + ':' + str(port) +
' recipient: ' + str(messageJson['to']))
else:
print('c2s sender: ' +
postToNickname + '@' + domain + ':' + str(port))
sendToNamedAddresses(server.session, baseDir,
postToNickname,
domain, onionDomain, i2pDomain, port,
httpPrefix,
federationList,
sendThreads,
postLog,
cachedWebfingers,
personCache,
messageJson, debug,
version)
return True