mirror of https://gitlab.com/bashrc2/epicyon
509 lines
19 KiB
Python
509 lines
19 KiB
Python
__filename__ = "posts.py"
|
|
__author__ = "Bob Mottram"
|
|
__license__ = "AGPL3+"
|
|
__version__ = "0.0.1"
|
|
__maintainer__ = "Bob Mottram"
|
|
__email__ = "bob@freedombone.net"
|
|
__status__ = "Production"
|
|
|
|
import requests
|
|
import json
|
|
import commentjson
|
|
import html
|
|
import datetime
|
|
import os
|
|
import shutil
|
|
import threading
|
|
import sys
|
|
import trace
|
|
from threads import threadWithTrace
|
|
from cache import storePersonInCache
|
|
from cache import getPersonFromCache
|
|
from pprint import pprint
|
|
from random import randint
|
|
from session import getJson
|
|
from session import postJson
|
|
from webfinger import webfingerHandle
|
|
from httpsig import createSignedHeader
|
|
try:
|
|
from BeautifulSoup import BeautifulSoup
|
|
except ImportError:
|
|
from bs4 import BeautifulSoup
|
|
|
|
def getPersonKey(username: str,domain: str,baseDir: str,keyType='public'):
|
|
"""Returns the public or private key of a person
|
|
"""
|
|
handle=username+'@'+domain
|
|
keyFilename=baseDir+'/keys/'+keyType+'/'+handle.lower()+'.key'
|
|
if not os.path.isfile(keyFilename):
|
|
return ''
|
|
keyPem=''
|
|
with open(keyFilename, "r") as pemFile:
|
|
keyPem=pemFile.read()
|
|
if len(keyPem)<20:
|
|
return ''
|
|
return keyPem
|
|
|
|
def permitted(url: str,federationList) -> bool:
|
|
"""Is a url from one of the permitted domains?
|
|
"""
|
|
for domain in federationList:
|
|
if domain in url:
|
|
return True
|
|
return False
|
|
|
|
def cleanHtml(rawHtml: str) -> str:
|
|
text = BeautifulSoup(rawHtml, 'html.parser').get_text()
|
|
return html.unescape(text)
|
|
|
|
def getUserUrl(wfRequest) -> str:
|
|
if wfRequest.get('links'):
|
|
for link in wfRequest['links']:
|
|
if link.get('type') and link.get('href'):
|
|
if link['type'] == 'application/activity+json':
|
|
return link['href']
|
|
return None
|
|
|
|
def parseUserFeed(session,feedUrl,asHeader) -> None:
|
|
feedJson = getJson(session,feedUrl,asHeader,None)
|
|
pprint(feedJson)
|
|
|
|
if 'orderedItems' in feedJson:
|
|
for item in feedJson['orderedItems']:
|
|
yield item
|
|
|
|
nextUrl = None
|
|
if 'first' in feedJson:
|
|
nextUrl = feedJson['first']
|
|
elif 'next' in feedJson:
|
|
nextUrl = feedJson['next']
|
|
|
|
if nextUrl:
|
|
for item in parseUserFeed(session,nextUrl,asHeader):
|
|
yield item
|
|
|
|
def getPersonBox(session,wfRequest,boxName='inbox') -> (str,str,str,str):
|
|
asHeader = {'Accept': 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'}
|
|
personUrl = getUserUrl(wfRequest)
|
|
if not personUrl:
|
|
return None
|
|
personJson = getPersonFromCache(personUrl)
|
|
if not personJson:
|
|
personJson = getJson(session,personUrl,asHeader,None)
|
|
pprint(personJson)
|
|
if not personJson.get(boxName):
|
|
return personPosts
|
|
personId=None
|
|
if personJson.get('id'):
|
|
personId=personJson['id']
|
|
pubKeyId=None
|
|
pubKey=None
|
|
if personJson.get('publicKey'):
|
|
if personJson['publicKey'].get('id'):
|
|
pubKeyId=personJson['publicKey']['id']
|
|
if personJson['publicKey'].get('publicKeyPem'):
|
|
pubKey=personJson['publicKey']['publicKeyPem']
|
|
|
|
storePersonInCache(personUrl,personJson)
|
|
|
|
return personJson[boxName],pubKeyId,pubKey,personId
|
|
|
|
def getUserPosts(session,wfRequest,maxPosts,maxMentions,maxEmoji,maxAttachments,federationList) -> {}:
|
|
userPosts={}
|
|
feedUrl,pubKeyId,pubKey,personId = getPersonBox(session,wfRequest,'outbox')
|
|
if not feedUrl:
|
|
return userPosts
|
|
|
|
i = 0
|
|
for item in parseUserFeed(session,feedUrl,asHeader):
|
|
if not item.get('type'):
|
|
continue
|
|
if item['type'] != 'Create':
|
|
continue
|
|
if not item.get('object'):
|
|
continue
|
|
published = item['object']['published']
|
|
if not userPosts.get(published):
|
|
content = item['object']['content']
|
|
|
|
mentions=[]
|
|
emoji={}
|
|
if item['object'].get('tag'):
|
|
for tagItem in item['object']['tag']:
|
|
tagType=tagItem['type'].lower()
|
|
if tagType=='emoji':
|
|
if tagItem.get('name') and tagItem.get('icon'):
|
|
if tagItem['icon'].get('url'):
|
|
# No emoji from non-permitted domains
|
|
if permitted(tagItem['icon']['url'],federationList):
|
|
emojiName=tagItem['name']
|
|
emojiIcon=tagItem['icon']['url']
|
|
emoji[emojiName]=emojiIcon
|
|
if tagType=='mention':
|
|
if tagItem.get('name'):
|
|
if tagItem['name'] not in mentions:
|
|
mentions.append(tagItem['name'])
|
|
if len(mentions)>maxMentions:
|
|
continue
|
|
if len(emoji)>maxEmoji:
|
|
continue
|
|
|
|
summary = ''
|
|
if item['object'].get('summary'):
|
|
if item['object']['summary']:
|
|
summary = item['object']['summary']
|
|
|
|
inReplyTo = ''
|
|
if item['object'].get('inReplyTo'):
|
|
if item['object']['inReplyTo']:
|
|
# No replies to non-permitted domains
|
|
if not permitted(item['object']['inReplyTo'],federationList):
|
|
continue
|
|
inReplyTo = item['object']['inReplyTo']
|
|
|
|
conversation = ''
|
|
if item['object'].get('conversation'):
|
|
if item['object']['conversation']:
|
|
# no conversations originated in non-permitted domains
|
|
if permitted(item['object']['conversation'],federationList):
|
|
conversation = item['object']['conversation']
|
|
|
|
attachment = []
|
|
if item['object'].get('attachment'):
|
|
if item['object']['attachment']:
|
|
for attach in item['object']['attachment']:
|
|
if attach.get('name') and attach.get('url'):
|
|
# no attachments from non-permitted domains
|
|
if permitted(attach['url'],federationList):
|
|
attachment.append([attach['name'],attach['url']])
|
|
|
|
sensitive = False
|
|
if item['object'].get('sensitive'):
|
|
sensitive = item['object']['sensitive']
|
|
|
|
userPosts[published] = {
|
|
"sensitive": sensitive,
|
|
"inreplyto": inReplyTo,
|
|
"summary": summary,
|
|
"html": content,
|
|
"plaintext": cleanHtml(content),
|
|
"attachment": attachment,
|
|
"mentions": mentions,
|
|
"emoji": emoji,
|
|
"conversation": conversation
|
|
}
|
|
#print(str(item)+'\n')
|
|
i += 1
|
|
|
|
if i == maxPosts:
|
|
break
|
|
return userPosts
|
|
|
|
def createOutboxDir(username: str,domain: str,baseDir: str) -> str:
|
|
"""Create an outbox for a person and returns the feed filename and directory
|
|
"""
|
|
handle=username.lower()+'@'+domain.lower()
|
|
if not os.path.isdir(baseDir+'/accounts/'+handle):
|
|
os.mkdir(baseDir+'/accounts/'+handle)
|
|
outboxDir=baseDir+'/accounts/'+handle+'/outbox'
|
|
if not os.path.isdir(outboxDir):
|
|
os.mkdir(outboxDir)
|
|
return outboxDir
|
|
|
|
def createOutboxArchive(username: str,domain: str,baseDir: str) -> str:
|
|
"""Creates an archive directory for outbox posts
|
|
"""
|
|
handle=username.lower()+'@'+domain.lower()
|
|
if not os.path.isdir(baseDir+'/accounts/'+handle):
|
|
os.mkdir(baseDir+'/accounts/'+handle)
|
|
outboxArchiveDir=baseDir+'/accounts/'+handle+'/outboxarchive'
|
|
if not os.path.isdir(outboxArchiveDir):
|
|
os.mkdir(outboxArchiveDir)
|
|
return outboxArchiveDir
|
|
|
|
def deleteAllPosts(username: str, domain: str,baseDir: str) -> None:
|
|
"""Deletes all posts for a person
|
|
"""
|
|
outboxDir = createOutboxDir(username,domain,baseDir)
|
|
for deleteFilename in os.listdir(outboxDir):
|
|
filePath = os.path.join(outboxDir, deleteFilename)
|
|
try:
|
|
if os.path.isfile(filePath):
|
|
os.unlink(filePath)
|
|
elif os.path.isdir(filePath): shutil.rmtree(filePath)
|
|
except Exception as e:
|
|
print(e)
|
|
|
|
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)
|
|
published=currTime.strftime("%Y-%m-%dT%H:%M:%SZ")
|
|
conversationDate=currTime.strftime("%Y-%m-%d")
|
|
return statusNumber,published
|
|
|
|
def createPostBase(baseDir: str,username: str, domain: str, toUrl: str, ccUrl: str, https: bool, content: str, followersOnly: bool, saveToFile: bool, inReplyTo=None, inReplyToAtomUri=None, subject=None) -> {}:
|
|
"""Creates a public post
|
|
"""
|
|
prefix='https'
|
|
if not https:
|
|
prefix='http'
|
|
statusNumber,published = getStatusNumber()
|
|
conversationDate=published.split('T')[0]
|
|
conversationId=statusNumber
|
|
postTo='https://www.w3.org/ns/activitystreams#Public'
|
|
postCC=prefix+'://'+domain+'/users/'+username+'/followers'
|
|
if followersOnly:
|
|
postTo=postCC
|
|
postCC=''
|
|
newPostId=prefix+'://'+domain+'/users/'+username+'/statuses/'+statusNumber
|
|
sensitive=False
|
|
summary=None
|
|
if subject:
|
|
summary=subject
|
|
sensitive=True
|
|
newPost = {
|
|
'id': newPostId+'/activity',
|
|
'type': 'Create',
|
|
'actor': prefix+'://'+domain+'/users/'+username,
|
|
'published': published,
|
|
'to': [toUrl],
|
|
'cc': [ccUrl],
|
|
'object': {'id': newPostId,
|
|
'type': 'Note',
|
|
'summary': summary,
|
|
'inReplyTo': inReplyTo,
|
|
'published': published,
|
|
'url': prefix+'://'+domain+'/@'+username+'/'+statusNumber,
|
|
'attributedTo': prefix+'://'+domain+'/users/'+username,
|
|
'to': [toUrl],
|
|
'cc': [ccUrl],
|
|
'sensitive': sensitive,
|
|
'atomUri': prefix+'://'+domain+'/users/'+username+'/statuses/'+statusNumber,
|
|
'inReplyToAtomUri': inReplyToAtomUri,
|
|
'conversation': 'tag:'+domain+','+conversationDate+':objectId='+conversationId+':objectType=Conversation',
|
|
'content': content,
|
|
'contentMap': {
|
|
'en': content
|
|
},
|
|
'attachment': [],
|
|
'tag': [],
|
|
'replies': {}
|
|
# 'id': 'https://'+domain+'/users/'+username+'/statuses/'+statusNumber+'/replies',
|
|
# 'type': 'Collection',
|
|
# 'first': {
|
|
# 'type': 'CollectionPage',
|
|
# 'partOf': 'https://'+domain+'/users/'+username+'/statuses/'+statusNumber+'/replies',
|
|
# 'items': []
|
|
# }
|
|
#}
|
|
}
|
|
}
|
|
if saveToFile:
|
|
outboxDir = createOutboxDir(username,domain,baseDir)
|
|
filename=outboxDir+'/'+newPostId.replace('/','#')+'.json'
|
|
with open(filename, 'w') as fp:
|
|
commentjson.dump(newPost, fp, indent=4, sort_keys=False)
|
|
return newPost
|
|
|
|
def createPublicPost(username: str, domain: str, https: bool, content: str, followersOnly: bool, saveToFile: bool, inReplyTo=None, inReplyToAtomUri=None, subject=None) -> {}:
|
|
"""Public post to the outbox
|
|
"""
|
|
prefix='https'
|
|
if not https:
|
|
prefix='http'
|
|
return createPostBase(username, domain, 'https://www.w3.org/ns/activitystreams#Public', prefix+'://'+domain+'/users/'+username+'/followers', https, content, followersOnly, saveToFile, inReplyTo, inReplyToAtomUri, subject)
|
|
|
|
def threadSendPost(session,postJsonObject,federationList,inboxUrl: str,baseDir: str,signatureHeader,postLog) -> None:
|
|
"""Sends a post with exponential backoff
|
|
"""
|
|
tries=0
|
|
backoffTime=60
|
|
for attempt in range(20):
|
|
postResult = postJson(session,postJsonObject,federationList,inboxUrl,signatureHeader)
|
|
if postResult:
|
|
postLog.append(postJsonObject['published']+' '+postResult+'\n')
|
|
# keep the length of the log finite
|
|
# Don't accumulate massive files on systems with limited resources
|
|
while len(postLog)>64:
|
|
postlog.pop(0)
|
|
# save the log file
|
|
filename=baseDir+'/post.log'
|
|
with open(filename, "w") as logFile:
|
|
for line in postLog:
|
|
print(line, file=logFile)
|
|
# our work here is done
|
|
break
|
|
time.sleep(backoffTime)
|
|
backoffTime *= 2
|
|
|
|
def sendPost(session,baseDir,username: str, domain: str, port: int, toUsername: str, toDomain: str, toPort: int, cc: str, https: bool, content: str, followersOnly: bool, saveToFile: bool, federationList, sendThreads, postLog, inReplyTo=None, inReplyToAtomUri=None, subject=None) -> int:
|
|
"""Post to another inbox
|
|
"""
|
|
prefix='https'
|
|
if not https:
|
|
prefix='http'
|
|
|
|
withDigest=True
|
|
|
|
if toPort!=80 and toPort!=443:
|
|
toDomain=toDomain+':'+str(toPort)
|
|
|
|
handle=prefix+'://'+toDomain+'/@'+toUsername
|
|
|
|
# lookup the inbox for the To handle
|
|
wfRequest = webfingerHandle(session,handle,https)
|
|
if not wfRequest:
|
|
return 1
|
|
|
|
# get the actor inbox for the To handle
|
|
inboxUrl,pubKeyId,pubKey,toPersonId = getPersonBox(session,wfRequest,'inbox')
|
|
if not inboxUrl:
|
|
return 2
|
|
if not pubKey:
|
|
return 3
|
|
if not toPersonId:
|
|
return 4
|
|
|
|
postJsonObject=createPostBase(username, domain, toPersonId, cc, https, content, followersOnly, saveToFile, inReplyTo, inReplyToAtomUri, subject)
|
|
|
|
# get the senders private key
|
|
privateKeyPem=getPersonKey(username,domain,baseDir,'private')
|
|
if len(privateKeyPem)==0:
|
|
return 5
|
|
|
|
# construct the http header
|
|
signatureHeaderJson = createSignedHeader(privateKeyPem, username, domain, port, '/inbox', https, withDigest, postJsonObject)
|
|
signatureHeaderJson['Content-type'] = 'application/json'
|
|
|
|
# Keep the number of threads being used small
|
|
while len(sendThreads)>10:
|
|
sendThreads[0].kill()
|
|
sendThreads.pop(0)
|
|
thr = threadWithTrace(target=threadSendPost,args=(session,postJsonObject.copy(),federationList,inboxUrl,baseDir,signatureHeaderJson.copy(),postLog),daemon=True)
|
|
sendThreads.append(thr)
|
|
thr.start()
|
|
return 0
|
|
|
|
def createOutbox(baseDir: str,username: str,domain: str,port: int,https: bool,itemsPerPage: int,headerOnly: bool,pageNumber=None) -> {}:
|
|
"""Constructs the outbox feed
|
|
"""
|
|
prefix='https'
|
|
if not https:
|
|
prefix='http'
|
|
|
|
outboxDir = createOutboxDir(username,domain,baseDir)
|
|
|
|
if port!=80 and port!=443:
|
|
domain = domain+':'+str(port)
|
|
|
|
pageStr='?page=true'
|
|
if pageNumber:
|
|
try:
|
|
pageStr='?page='+str(pageNumber)
|
|
except:
|
|
pass
|
|
outboxHeader = {'@context': 'https://www.w3.org/ns/activitystreams',
|
|
'first': prefix+'://'+domain+'/users/'+username+'/outbox?page=true',
|
|
'id': prefix+'://'+domain+'/users/'+username+'/outbox',
|
|
'last': prefix+'://'+domain+'/users/'+username+'/outbox?page=true',
|
|
'totalItems': 0,
|
|
'type': 'OrderedCollection'}
|
|
outboxItems = {'@context': 'https://www.w3.org/ns/activitystreams',
|
|
'id': prefix+'://'+domain+'/users/'+username+'/outbox'+pageStr,
|
|
'orderedItems': [
|
|
],
|
|
'partOf': prefix+'://'+domain+'/users/'+username+'/outbox',
|
|
'type': 'OrderedCollectionPage'}
|
|
|
|
# counter for posts loop
|
|
postsOnPageCtr=0
|
|
|
|
# post filenames sorted in descending order
|
|
postsInOutbox=sorted(os.listdir(outboxDir), reverse=True)
|
|
|
|
# number of posts in outbox
|
|
outboxHeader['totalItems']=len(postsInOutbox)
|
|
prevPostFilename=None
|
|
|
|
if not pageNumber:
|
|
pageNumber=1
|
|
|
|
# Generate first and last entries within header
|
|
if len(postsInOutbox)>0:
|
|
lastPage=int(len(postsInOutbox)/itemsPerPage)
|
|
if lastPage<1:
|
|
lastPage=1
|
|
outboxHeader['last']= \
|
|
prefix+'://'+domain+'/users/'+username+'/outbox?page='+str(lastPage)
|
|
|
|
# Insert posts
|
|
currPage=1
|
|
postsCtr=0
|
|
for postFilename in postsInOutbox:
|
|
# Are we at the starting page yet?
|
|
if prevPostFilename and currPage==pageNumber and postsCtr==0:
|
|
# update the prev entry for the last message id
|
|
postId = prevPostFilename.split('#statuses#')[1].replace('#activity','')
|
|
outboxHeader['prev']= \
|
|
prefix+'://'+domain+'/users/'+username+'/outbox?min_id='+postId+'&page=true'
|
|
# get the full path of the post file
|
|
filePath = os.path.join(outboxDir, postFilename)
|
|
try:
|
|
if os.path.isfile(filePath):
|
|
if currPage == pageNumber and postsOnPageCtr <= itemsPerPage:
|
|
# get the post as json
|
|
with open(filePath, 'r') as fp:
|
|
p=commentjson.load(fp)
|
|
# insert it into the outbox feed
|
|
if postsOnPageCtr < itemsPerPage:
|
|
if not headerOnly:
|
|
outboxItems['orderedItems'].append(p)
|
|
elif postsOnPageCtr == itemsPerPage:
|
|
# if this is the last post update the next message ID
|
|
if '/statuses/' in p['id']:
|
|
postId = p['id'].split('/statuses/')[1].replace('/activity','')
|
|
outboxHeader['next']= \
|
|
prefix+'://'+domain+'/users/'+ \
|
|
username+'/outbox?max_id='+ \
|
|
postId+'&page=true'
|
|
postsOnPageCtr += 1
|
|
# remember the last post filename for use with prev
|
|
prevPostFilename = postFilename
|
|
if postsOnPageCtr > itemsPerPage:
|
|
break
|
|
# count the pages
|
|
postsCtr += 1
|
|
if postsCtr >= itemsPerPage:
|
|
postsCtr = 0
|
|
currPage += 1
|
|
except Exception as e:
|
|
print(e)
|
|
if headerOnly:
|
|
return outboxHeader
|
|
return outboxItems
|
|
|
|
def archivePosts(username: str,domain: str,baseDir: str,maxPostsInOutbox=256) -> None:
|
|
"""Retain a maximum number of posts within the outbox
|
|
Move any others to an archive directory
|
|
"""
|
|
outboxDir = createOutboxDir(username,domain,baseDir)
|
|
archiveDir = createOutboxArchive(username,domain,baseDir)
|
|
postsInOutbox=sorted(os.listdir(outboxDir), reverse=False)
|
|
noOfPosts=len(postsInOutbox)
|
|
if noOfPosts<=maxPostsInOutbox:
|
|
return
|
|
|
|
for postFilename in postsInOutbox:
|
|
filePath = os.path.join(outboxDir, postFilename)
|
|
if os.path.isfile(filePath):
|
|
archivePath = os.path.join(archiveDir, postFilename)
|
|
os.rename(filePath,archivePath)
|
|
# TODO: possibly archive any associated media files
|
|
noOfPosts -= 1
|
|
if noOfPosts <= maxPostsInOutbox:
|
|
break
|