forked from indymedia/epicyon
464 lines
17 KiB
Python
464 lines
17 KiB
Python
__filename__ = "utils.py"
|
|
__author__ = "Bob Mottram"
|
|
__license__ = "AGPL3+"
|
|
__version__ = "1.0.0"
|
|
__maintainer__ = "Bob Mottram"
|
|
__email__ = "bob@freedombone.net"
|
|
__status__ = "Production"
|
|
|
|
import os
|
|
import time
|
|
import shutil
|
|
import datetime
|
|
import commentjson
|
|
|
|
def saveJson(jsonObject: {},filename: str) -> bool:
|
|
"""Saves json to a file
|
|
"""
|
|
tries=0
|
|
while tries<5:
|
|
try:
|
|
with open(filename, 'w') as fp:
|
|
commentjson.dump(jsonObject, fp, indent=2, sort_keys=False)
|
|
return True
|
|
except:
|
|
print('WARN: saveJson '+str(tries))
|
|
time.sleep(1)
|
|
tries+=1
|
|
return False
|
|
|
|
def loadJson(filename: str) -> {}:
|
|
"""Makes a few attempts to load a json formatted file
|
|
"""
|
|
jsonObject=None
|
|
tries=0
|
|
while tries<5:
|
|
try:
|
|
with open(filename, 'r') as fp:
|
|
jsonObject=commentjson.load(fp)
|
|
break
|
|
except:
|
|
print('WARN: loadJson exception')
|
|
time.sleep(2)
|
|
tries+=1
|
|
return jsonObject
|
|
|
|
def getStatusNumber() -> (str,str):
|
|
"""Returns the status number and published date
|
|
"""
|
|
currTime=datetime.datetime.utcnow()
|
|
daysSinceEpoch=(currTime - datetime.datetime(1970,1,1)).days
|
|
# status is the number of seconds since epoch
|
|
statusNumber=str(((daysSinceEpoch*24*60*60) + (currTime.hour*60*60) + (currTime.minute*60) + currTime.second)*1000 + int(currTime.microsecond/1000))
|
|
# See https://github.com/tootsuite/mastodon/blob/995f8b389a66ab76ec92d9a240de376f1fc13a38/lib/mastodon/snowflake.rb
|
|
# use the leftover microseconds as the sequence number
|
|
sequenceId=currTime.microsecond % 1000
|
|
# shift by 16bits "sequence data"
|
|
statusNumber=str((int(statusNumber)<<16)+sequenceId)
|
|
published=currTime.strftime("%Y-%m-%dT%H:%M:%SZ")
|
|
return statusNumber,published
|
|
|
|
def isEvil(domain: str) -> bool:
|
|
# https://www.youtube.com/watch?v=5qw1hcevmdU
|
|
evilDomains=('gab.com','gabfed.com','spinster.xyz','kiwifarms.cc','djitter.com')
|
|
for concentratedEvil in evilDomains:
|
|
if domain.endswith(concentratedEvil):
|
|
return True
|
|
return False
|
|
|
|
def createPersonDir(nickname: str,domain: str,baseDir: str,dirname: str) -> str:
|
|
"""Create a directory for a person
|
|
"""
|
|
handle=nickname+'@'+domain
|
|
if not os.path.isdir(baseDir+'/accounts/'+handle):
|
|
os.mkdir(baseDir+'/accounts/'+handle)
|
|
boxDir=baseDir+'/accounts/'+handle+'/'+dirname
|
|
if not os.path.isdir(boxDir):
|
|
os.mkdir(boxDir)
|
|
return boxDir
|
|
|
|
def createOutboxDir(nickname: str,domain: str,baseDir: str) -> str:
|
|
"""Create an outbox for a person
|
|
"""
|
|
return createPersonDir(nickname,domain,baseDir,'outbox')
|
|
|
|
def createInboxQueueDir(nickname: str,domain: str,baseDir: str) -> str:
|
|
"""Create an inbox queue and returns the feed filename and directory
|
|
"""
|
|
return createPersonDir(nickname,domain,baseDir,'queue')
|
|
|
|
def domainPermitted(domain: str, federationList: []):
|
|
if len(federationList)==0:
|
|
return True
|
|
if ':' in domain:
|
|
domain=domain.split(':')[0]
|
|
if domain in federationList:
|
|
return True
|
|
return False
|
|
|
|
def urlPermitted(url: str,federationList: [],capability: str):
|
|
if isEvil(url):
|
|
return False
|
|
if not federationList:
|
|
return True
|
|
for domain in federationList:
|
|
if domain in url:
|
|
return True
|
|
return False
|
|
|
|
def getDisplayName(baseDir: str,actor: str,personCache: {}) -> str:
|
|
"""Returns the display name for the given actor
|
|
"""
|
|
if '/statuses/' in actor:
|
|
actor=actor.split('/statuses/')[0]
|
|
if not personCache.get(actor):
|
|
return None
|
|
if personCache[actor].get('actor'):
|
|
if personCache[actor]['actor'].get('name'):
|
|
return personCache[actor]['actor']['name']
|
|
else:
|
|
# Try to obtain from the cached actors
|
|
cachedActorFilename=baseDir+'/cache/actors/'+actor.replace('/','#')+'.json'
|
|
if os.path.isfile(cachedActorFilename):
|
|
actorJson=None
|
|
tries=0
|
|
while tries<5:
|
|
try:
|
|
with open(cachedActorFilename, 'r') as fp:
|
|
actorJson=commentjson.load(fp)
|
|
break
|
|
except:
|
|
print('WARN: getDisplayName')
|
|
time.sleep(1)
|
|
tries+=1
|
|
if actorJson:
|
|
if actorJson.get('name'):
|
|
return(actorJson['name'])
|
|
return None
|
|
|
|
def getNicknameFromActor(actor: str) -> str:
|
|
"""Returns the nickname from an actor url
|
|
"""
|
|
if '/users/' not in actor:
|
|
if '/profile/' in actor:
|
|
nickStr=actor.split('/profile/')[1].replace('@','')
|
|
if '/' not in nickStr:
|
|
return nickStr
|
|
else:
|
|
return nickStr.split('/')[0]
|
|
if '/channel/' in actor:
|
|
nickStr=actor.split('/channel/')[1].replace('@','')
|
|
if '/' not in nickStr:
|
|
return nickStr
|
|
else:
|
|
return nickStr.split('/')[0]
|
|
# https://domain/@nick
|
|
if '/@' in actor:
|
|
nickStr=actor.split('/@')[1]
|
|
if '/' in nickStr:
|
|
nickStr=nickStr.split('/')[0]
|
|
return nickStr
|
|
return None
|
|
nickStr=actor.split('/users/')[1].replace('@','')
|
|
if '/' not in nickStr:
|
|
return nickStr
|
|
else:
|
|
return nickStr.split('/')[0]
|
|
|
|
def getDomainFromActor(actor: str) -> (str,int):
|
|
"""Returns the domain name from an actor url
|
|
"""
|
|
port=None
|
|
if '/profile/' in actor:
|
|
domain = actor.split('/profile/')[0].replace('https://','').replace('http://','').replace('dat://','')
|
|
else:
|
|
if '/channel/' in actor:
|
|
domain = actor.split('/channel/')[0].replace('https://','').replace('http://','').replace('dat://','')
|
|
else:
|
|
if '/users/' not in actor:
|
|
domain = actor.replace('https://','').replace('http://','').replace('dat://','')
|
|
if '/' in actor:
|
|
domain=domain.split('/')[0]
|
|
else:
|
|
domain = actor.split('/users/')[0].replace('https://','').replace('http://','').replace('dat://','')
|
|
if ':' in domain:
|
|
port=int(domain.split(':')[1])
|
|
domain=domain.split(':')[0]
|
|
return domain,port
|
|
|
|
def followPerson(baseDir: str,nickname: str, domain: str, \
|
|
followNickname: str, followDomain: str, \
|
|
federationList: [],debug: bool, \
|
|
followFile='following.txt') -> bool:
|
|
"""Adds a person to the follow list
|
|
"""
|
|
if not domainPermitted(followDomain.lower().replace('\n',''), \
|
|
federationList):
|
|
if debug:
|
|
print('DEBUG: follow of domain '+followDomain+' not permitted')
|
|
return False
|
|
if debug:
|
|
print('DEBUG: follow of domain '+followDomain)
|
|
|
|
if ':' in domain:
|
|
handle=nickname+'@'+domain.split(':')[0].lower()
|
|
else:
|
|
handle=nickname+'@'+domain.lower()
|
|
|
|
if ':' in followDomain:
|
|
handleToFollow=followNickname+'@'+followDomain.split(':')[0].lower()
|
|
else:
|
|
handleToFollow=followNickname+'@'+followDomain.lower()
|
|
if not os.path.isdir(baseDir+'/accounts'):
|
|
os.mkdir(baseDir+'/accounts')
|
|
if not os.path.isdir(baseDir+'/accounts/'+handle):
|
|
os.mkdir(baseDir+'/accounts/'+handle)
|
|
filename=baseDir+'/accounts/'+handle+'/'+followFile
|
|
if os.path.isfile(filename):
|
|
if handleToFollow in open(filename).read():
|
|
if debug:
|
|
print('DEBUG: follow already exists')
|
|
return True
|
|
# prepend to follow file
|
|
try:
|
|
with open(filename, 'r+') as followFile:
|
|
content = followFile.read()
|
|
followFile.seek(0, 0)
|
|
followFile.write(followNickname+'@'+followDomain+'\n'+content)
|
|
if debug:
|
|
print('DEBUG: follow added')
|
|
return True
|
|
except Exception as e:
|
|
print('WARN: Failed to write entry to follow file '+filename+' '+str(e))
|
|
if debug:
|
|
print('DEBUG: creating new following file')
|
|
with open(filename, "w") as followfile:
|
|
followfile.write(followNickname+'@'+followDomain+'\n')
|
|
return True
|
|
|
|
def locatePost(baseDir: str,nickname: str,domain: str,postUrl: str,replies=False) -> str:
|
|
"""Returns the filename for the given status post url
|
|
"""
|
|
if not replies:
|
|
extension='json'
|
|
else:
|
|
extension='replies'
|
|
# if this post in the shared inbox?
|
|
handle='inbox@'+domain
|
|
boxName='inbox'
|
|
postUrl=postUrl.replace('/','#')
|
|
postFilename=baseDir+'/accounts/'+nickname+'@'+domain+'/'+boxName+'/'+postUrl+'.'+extension
|
|
if not os.path.isfile(postFilename):
|
|
boxName='outbox'
|
|
postFilename=baseDir+'/accounts/'+nickname+'@'+domain+'/'+boxName+'/'+postUrl+'.'+extension
|
|
if not os.path.isfile(postFilename):
|
|
# if this post in the inbox of the person?
|
|
boxName='inbox'
|
|
postFilename=baseDir+'/accounts/'+nickname+'@'+domain+'/'+boxName+'/'+postUrl+'.'+extension
|
|
if not os.path.isfile(postFilename):
|
|
postFilename=baseDir+'/cache/announce/'+nickname+'/'+postUrl+'.'+extension
|
|
if not os.path.isfile(postFilename):
|
|
postFilename=None
|
|
return postFilename
|
|
|
|
def removeAttachment(baseDir: str,httpPrefix: str,domain: str,postJson: {}):
|
|
if not postJson.get('attachment'):
|
|
return
|
|
if not postJson['attachment'][0].get('url'):
|
|
return
|
|
if port:
|
|
if port!=80 and port!=443:
|
|
if ':' not in domain:
|
|
domain=domain+':'+str(port)
|
|
attachmentUrl=postJson['attachment'][0]['url']
|
|
if not attachmentUrl:
|
|
return
|
|
mediaFilename=baseDir+'/'+attachmentUrl.replace(httpPrefix+'://'+domain+'/','')
|
|
if os.path.isfile(mediaFilename):
|
|
os.remove(mediaFilename)
|
|
postJson['attachment']=[]
|
|
|
|
def removeModerationPostFromIndex(baseDir: str,postUrl: str,debug: bool) -> None:
|
|
"""Removes a url from the moderation index
|
|
"""
|
|
moderationIndexFile=baseDir+'/accounts/moderation.txt'
|
|
if not os.path.isfile(moderationIndexFile):
|
|
return
|
|
postId=postUrl.replace('/activity','')
|
|
if postId in open(moderationIndexFile).read():
|
|
with open(moderationIndexFile, "r") as f:
|
|
lines = f.readlines()
|
|
with open(moderationIndexFile, "w+") as f:
|
|
for line in lines:
|
|
if line.strip("\n") != postId:
|
|
f.write(line)
|
|
else:
|
|
if debug:
|
|
print('DEBUG: removed '+postId+' from moderation index')
|
|
|
|
def deletePost(baseDir: str,httpPrefix: str,nickname: str,domain: str,postFilename: str,debug: bool) -> None:
|
|
"""Recursively deletes a post and its replies and attachments
|
|
"""
|
|
postJsonObject=None
|
|
tries=0
|
|
while tries<5:
|
|
try:
|
|
with open(postFilename, 'r') as fp:
|
|
postJsonObject=commentjson.load(fp)
|
|
break
|
|
except:
|
|
print('WARN: deletePost')
|
|
time.sleep(1)
|
|
tries+=1
|
|
|
|
if postJsonObject:
|
|
# don't allow deletion of bookmarked posts
|
|
bookmarksIndexFilename=baseDir+'/accounts/'+nickname+'@'+domain+'/bookmarks.index'
|
|
if os.path.isfile(bookmarksIndexFilename):
|
|
bookmarkIndex=postFilename.split('/')[-1]+'\n'
|
|
if bookmarkIndex in open(bookmarksIndexFilename).read():
|
|
return
|
|
|
|
# remove any attachment
|
|
removeAttachment(baseDir,httpPrefix,domain,postJsonObject)
|
|
|
|
hasObject=False
|
|
if postJsonObject.get('object'):
|
|
hasObject=True
|
|
|
|
# remove from moderation index file
|
|
if hasObject:
|
|
if postJsonObject['object'].get('moderationStatus'):
|
|
if postJsonObject.get('id'):
|
|
postId=postJsonObject['id'].replace('/activity','')
|
|
removeModerationPostFromIndex(baseDir,postId,debug)
|
|
|
|
# remove any hashtags index entries
|
|
removeHashtagIndex=False
|
|
if hasObject:
|
|
if hasObject and isinstance(postJsonObject['object'], dict):
|
|
if postJsonObject['object'].get('content'):
|
|
if '#' in postJsonObject['object']['content']:
|
|
removeHashtagIndex=True
|
|
if removeHashtagIndex:
|
|
if postJsonObject['object'].get('id') and postJsonObject['object'].get('tag'):
|
|
# get the id of the post
|
|
postId=postJsonObject['object']['id'].replace('/activity','')
|
|
for tag in postJsonObject['object']['tag']:
|
|
if tag['type']!='Hashtag':
|
|
continue
|
|
# find the index file for this tag
|
|
tagIndexFilename=baseDir+'/tags/'+tag['name'][1:]+'.txt'
|
|
if not os.path.isfile(tagIndexFilename):
|
|
continue
|
|
# remove postId from the tag index file
|
|
with open(tagIndexFilename, "r") as f:
|
|
lines = f.readlines()
|
|
with open(tagIndexFilename, "w+") as f:
|
|
for line in lines:
|
|
if line.strip("\n") != postId:
|
|
f.write(line)
|
|
|
|
# remove any replies
|
|
repliesFilename=postFilename.replace('.json','.replies')
|
|
if os.path.isfile(repliesFilename):
|
|
if debug:
|
|
print('DEBUG: removing replies to '+postFilename)
|
|
with open(repliesFilename,'r') as f:
|
|
for replyId in f:
|
|
replyFile=locatePost(baseDir,nickname,domain,replyId)
|
|
if replyFile:
|
|
if os.path.isfile(replyFile):
|
|
deletePost(baseDir,nickname,domain,replyFile,debug)
|
|
# remove the replies file
|
|
os.remove(repliesFilename)
|
|
# finally, remove the post itself
|
|
os.remove(postFilename)
|
|
|
|
def validNickname(domain: str,nickname: str) -> bool:
|
|
forbiddenChars=['.',' ','/','?',':',';','@']
|
|
for c in forbiddenChars:
|
|
if c in nickname:
|
|
return False
|
|
if nickname==domain:
|
|
return False
|
|
reservedNames=['inbox','dm','outbox','following','public','followers','profile','channel','capabilities','calendar','tlreplies','tlmedia','moderation']
|
|
if nickname in reservedNames:
|
|
return False
|
|
return True
|
|
|
|
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 noOfActiveAccountsMonthly(baseDir: str,months: int) -> bool:
|
|
"""Returns the number of accounts on the system this month
|
|
"""
|
|
accountCtr=0
|
|
currTime=int(time.time())
|
|
monthSeconds=int(60*60*24*30*months)
|
|
for subdir, dirs, files in os.walk(baseDir+'/accounts'):
|
|
for account in dirs:
|
|
if '@' in account:
|
|
if not account.startswith('inbox@'):
|
|
lastUsedFilename=baseDir+'/accounts/'+account+'/.lastUsed'
|
|
if os.path.isfile(lastUsedFilename):
|
|
with open(lastUsedFilename, 'r') as lastUsedFile:
|
|
lastUsed = lastUsedFile.read()
|
|
if lastUsed.isdigit():
|
|
timeDiff=(currTime-int(lastUsed))
|
|
if timeDiff<monthSeconds:
|
|
accountCtr+=1
|
|
return accountCtr
|
|
|
|
def isPublicPost(postJsonObject: {}) -> bool:
|
|
"""Returns true if the given post is public
|
|
"""
|
|
if not postJsonObject.get('type'):
|
|
return False
|
|
if postJsonObject['type']!='Create':
|
|
return False
|
|
if not postJsonObject.get('object'):
|
|
return False
|
|
if not isinstance(postJsonObject['object'], dict):
|
|
return False
|
|
if not postJsonObject['object'].get('to'):
|
|
return False
|
|
for recipient in postJsonObject['object']['to']:
|
|
if recipient.endswith('#Public'):
|
|
return True
|
|
return False
|
|
|
|
def copytree(src: str, dst: str, symlinks=False, ignore=None):
|
|
"""Copy a directory
|
|
"""
|
|
for item in os.listdir(src):
|
|
s = os.path.join(src, item)
|
|
d = os.path.join(dst, item)
|
|
if os.path.isdir(s):
|
|
shutil.copytree(s, d, symlinks, ignore)
|
|
else:
|
|
shutil.copy2(s, d)
|
|
|
|
def getCachedPostDirectory(baseDir: str,nickname: str,domain: str) -> str:
|
|
"""Returns the directory where the html post cache exists
|
|
"""
|
|
htmlPostCacheDir=baseDir+'/accounts/'+nickname+'@'+domain+'/postcache'
|
|
return htmlPostCacheDir
|
|
|
|
def getCachedPostFilename(baseDir: str,nickname: str,domain: str, \
|
|
postJsonObject: {}) -> str:
|
|
"""Returns the html cache filename for the given post
|
|
"""
|
|
cachedPostFilename= \
|
|
getCachedPostDirectory(baseDir,nickname,domain)+ \
|
|
'/'+postJsonObject['id'].replace('/activity','').replace('/','#')+'.html'
|
|
return cachedPostFilename
|