mirror of https://gitlab.com/bashrc2/epicyon
667 lines
25 KiB
Python
667 lines
25 KiB
Python
__filename__ = "posts.py"
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__author__ = "Bob Mottram"
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__license__ = "AGPL3+"
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__version__ = "0.0.1"
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__maintainer__ = "Bob Mottram"
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__email__ = "bob@freedombone.net"
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__status__ = "Production"
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import requests
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import json
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import commentjson
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import html
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import datetime
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import os
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import shutil
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import threading
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import sys
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import trace
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import time
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from threads import threadWithTrace
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from cache import storePersonInCache
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from cache import getPersonFromCache
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from pprint import pprint
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from random import randint
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from session import createSession
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from session import getJson
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from session import postJson
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from webfinger import webfingerHandle
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from httpsig import createSignedHeader
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from utils import getStatusNumber
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from utils import createPersonDir
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from utils import urlPermitted
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try:
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from BeautifulSoup import BeautifulSoup
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except ImportError:
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from bs4 import BeautifulSoup
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def getPersonKey(nickname: str,domain: str,baseDir: str,keyType='public'):
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"""Returns the public or private key of a person
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"""
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handle=nickname+'@'+domain
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keyFilename=baseDir+'/keys/'+keyType+'/'+handle.lower()+'.key'
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if not os.path.isfile(keyFilename):
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return ''
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keyPem=''
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with open(keyFilename, "r") as pemFile:
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keyPem=pemFile.read()
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if len(keyPem)<20:
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return ''
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return keyPem
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def cleanHtml(rawHtml: str) -> str:
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text = BeautifulSoup(rawHtml, 'html.parser').get_text()
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return html.unescape(text)
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def getUserUrl(wfRequest) -> str:
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if wfRequest.get('links'):
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for link in wfRequest['links']:
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if link.get('type') and link.get('href'):
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if link['type'] == 'application/activity+json':
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return link['href']
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return None
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def parseUserFeed(session,feedUrl: str,asHeader: {}) -> None:
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feedJson = getJson(session,feedUrl,asHeader,None)
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if not feedJson:
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return
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if 'orderedItems' in feedJson:
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for item in feedJson['orderedItems']:
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yield item
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nextUrl = None
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if 'first' in feedJson:
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nextUrl = feedJson['first']
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elif 'next' in feedJson:
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nextUrl = feedJson['next']
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if nextUrl:
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for item in parseUserFeed(session,nextUrl,asHeader):
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yield item
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def getPersonBox(session,wfRequest: {},personCache: {},boxName='inbox') -> (str,str,str,str):
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asHeader = {'Accept': 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'}
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personUrl = getUserUrl(wfRequest)
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if not personUrl:
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return None
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personJson = getPersonFromCache(personUrl,personCache)
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if not personJson:
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personJson = getJson(session,personUrl,asHeader,None)
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if not personJson:
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return None
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if not personJson.get(boxName):
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return personPosts
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personId=None
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if personJson.get('id'):
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personId=personJson['id']
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pubKeyId=None
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pubKey=None
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if personJson.get('publicKey'):
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if personJson['publicKey'].get('id'):
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pubKeyId=personJson['publicKey']['id']
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if personJson['publicKey'].get('publicKeyPem'):
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pubKey=personJson['publicKey']['publicKeyPem']
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storePersonInCache(personUrl,personJson,personCache)
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return personJson[boxName],pubKeyId,pubKey,personId
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def getPersonPubKey(session,personUrl: str,personCache: {},debug: bool) -> str:
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asHeader = {'Accept': 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'}
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if not personUrl:
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return None
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personUrl=personUrl.replace('#main-key','')
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personJson = getPersonFromCache(personUrl,personCache)
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if not personJson:
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if debug:
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print('DEBUG: Obtaining public key for '+personUrl)
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personJson = getJson(session,personUrl,asHeader,None)
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if not personJson:
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return None
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pubKey=None
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if personJson.get('publicKey'):
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if personJson['publicKey'].get('publicKeyPem'):
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pubKey=personJson['publicKey']['publicKeyPem']
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else:
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if personJson.get('publicKeyPem'):
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pubKey=personJson['publicKeyPem']
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if not pubKey:
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if debug:
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print('DEBUG: Public key not found for '+personUrl)
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storePersonInCache(personUrl,personJson,personCache)
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return pubKey
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def getPosts(session,outboxUrl: str,maxPosts: int,maxMentions: int, \
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maxEmoji: int,maxAttachments: int,federationList: [], \
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personCache: {},raw: bool,simple: bool) -> {}:
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personPosts={}
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if not outboxUrl:
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return personPosts
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asHeader = {'Accept': 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'}
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if raw:
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result = []
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i = 0
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for item in parseUserFeed(session,outboxUrl,asHeader):
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result.append(item)
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i += 1
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if i == maxPosts:
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break
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pprint(result)
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return None
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i = 0
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for item in parseUserFeed(session,outboxUrl,asHeader):
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if not item.get('type'):
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continue
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if item['type'] != 'Create':
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continue
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if not item.get('object'):
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continue
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published = item['object']['published']
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if not personPosts.get(published):
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content = item['object']['content']
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mentions=[]
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emoji={}
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if item['object'].get('tag'):
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for tagItem in item['object']['tag']:
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tagType=tagItem['type'].lower()
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if tagType=='emoji':
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if tagItem.get('name') and tagItem.get('icon'):
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if tagItem['icon'].get('url'):
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# No emoji from non-permitted domains
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if urlPermitted(tagItem['icon']['url'],federationList):
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emojiName=tagItem['name']
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emojiIcon=tagItem['icon']['url']
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emoji[emojiName]=emojiIcon
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if tagType=='mention':
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if tagItem.get('name'):
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if tagItem['name'] not in mentions:
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mentions.append(tagItem['name'])
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if len(mentions)>maxMentions:
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continue
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if len(emoji)>maxEmoji:
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continue
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summary = ''
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if item['object'].get('summary'):
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if item['object']['summary']:
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summary = item['object']['summary']
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inReplyTo = ''
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if item['object'].get('inReplyTo'):
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if item['object']['inReplyTo']:
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# No replies to non-permitted domains
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if not urlPermitted(item['object']['inReplyTo'],federationList):
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continue
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inReplyTo = item['object']['inReplyTo']
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conversation = ''
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if item['object'].get('conversation'):
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if item['object']['conversation']:
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# no conversations originated in non-permitted domains
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if urlPermitted(item['object']['conversation'],federationList):
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conversation = item['object']['conversation']
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attachment = []
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if item['object'].get('attachment'):
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if item['object']['attachment']:
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for attach in item['object']['attachment']:
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if attach.get('name') and attach.get('url'):
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# no attachments from non-permitted domains
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if urlPermitted(attach['url'],federationList):
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attachment.append([attach['name'],attach['url']])
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sensitive = False
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if item['object'].get('sensitive'):
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sensitive = item['object']['sensitive']
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if simple:
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print(cleanHtml(content)+'\n')
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else:
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personPosts[published] = {
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"sensitive": sensitive,
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"inreplyto": inReplyTo,
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"summary": summary,
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"html": content,
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"plaintext": cleanHtml(content),
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"attachment": attachment,
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"mentions": mentions,
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"emoji": emoji,
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"conversation": conversation
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}
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i += 1
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if i == maxPosts:
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break
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return personPosts
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def createBoxArchive(nickname: str,domain: str,baseDir: str,boxname: str) -> str:
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"""Creates an archive directory for inbox/outbox posts
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"""
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handle=nickname.lower()+'@'+domain.lower()
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if not os.path.isdir(baseDir+'/accounts/'+handle):
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os.mkdir(baseDir+'/accounts/'+handle)
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boxArchiveDir=baseDir+'/accounts/'+handle+'/'+boxname+'archive'
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if not os.path.isdir(boxArchiveDir):
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os.mkdir(boxArchiveDir)
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return boxArchiveDir
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def deleteAllPosts(baseDir: str,nickname: str, domain: str,boxname: str) -> None:
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"""Deletes all posts for a person from inbox or outbox
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"""
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if boxname!='inbox' and boxname!='outbox':
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return
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boxDir = createPersonDir(nickname,domain,baseDir,boxname)
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for deleteFilename in os.listdir(boxDir):
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filePath = os.path.join(boxDir, deleteFilename)
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try:
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if os.path.isfile(filePath):
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os.unlink(filePath)
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elif os.path.isdir(filePath): shutil.rmtree(filePath)
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except Exception as e:
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print(e)
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def savePostToBox(baseDir: str,httpPrefix: str,postId: str,nickname: str, domain: str,postJson: {},boxname: str) -> None:
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"""Saves the give json to the give box
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"""
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if boxname!='inbox' and boxname!='outbox':
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return
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if ':' in domain:
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domain=domain.split(':')[0]
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if not postId:
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statusNumber,published = getStatusNumber()
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postId=httpPrefix+'://'+domain+'/users/'+nickname+'/statuses/'+statusNumber
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postJson['id']=postId+'/activity'
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if postJson.get('object'):
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postJson['object']['id']=postId
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postJson['object']['atomUri']=postId
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boxDir = createPersonDir(nickname,domain,baseDir,boxname)
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filename=boxDir+'/'+postId.replace('/','#')+'.json'
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with open(filename, 'w') as fp:
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commentjson.dump(postJson, fp, indent=4, sort_keys=False)
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def createPostBase(baseDir: str,nickname: str, domain: str, port: int, \
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toUrl: str, ccUrl: str, httpPrefix: str, content: str, \
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followersOnly: bool, saveToFile: bool, clientToServer: bool, \
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inReplyTo=None, inReplyToAtomUri=None, subject=None) -> {}:
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"""Creates a message
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"""
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if port!=80 and port!=443:
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domain=domain+':'+str(port)
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statusNumber,published = getStatusNumber()
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conversationDate=published.split('T')[0]
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conversationId=statusNumber
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postTo='https://www.w3.org/ns/activitystreams#Public'
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postCC=httpPrefix+'://'+domain+'/users/'+nickname+'/followers'
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if followersOnly:
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postTo=postCC
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postCC=''
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newPostId=httpPrefix+'://'+domain+'/users/'+nickname+'/statuses/'+statusNumber
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sensitive=False
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summary=None
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if subject:
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summary=subject
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sensitive=True
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if not clientToServer:
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newPost = {
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'id': newPostId+'/activity',
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'type': 'Create',
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'actor': httpPrefix+'://'+domain+'/users/'+nickname,
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'published': published,
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'to': [toUrl],
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'cc': [],
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'object': {
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'id': newPostId,
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'type': 'Note',
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'summary': summary,
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'inReplyTo': inReplyTo,
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'published': published,
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'url': httpPrefix+'://'+domain+'/@'+nickname+'/'+statusNumber,
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'attributedTo': httpPrefix+'://'+domain+'/users/'+nickname,
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'to': [toUrl],
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'cc': [],
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'sensitive': sensitive,
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'atomUri': newPostId,
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'inReplyToAtomUri': inReplyToAtomUri,
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'conversation': 'tag:'+domain+','+conversationDate+':objectId='+conversationId+':objectType=Conversation',
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'content': content,
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'contentMap': {
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'en': content
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},
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'attachment': [],
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'tag': [],
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'replies': {}
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# 'id': 'https://'+domain+'/users/'+nickname+'/statuses/'+statusNumber+'/replies',
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# 'type': 'Collection',
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# 'first': {
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# 'type': 'CollectionPage',
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# 'partOf': 'https://'+domain+'/users/'+nickname+'/statuses/'+statusNumber+'/replies',
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# 'items': []
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# }
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#}
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}
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}
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else:
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newPost = {
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'id': newPostId,
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'type': 'Note',
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'summary': summary,
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'inReplyTo': inReplyTo,
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'published': published,
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'url': httpPrefix+'://'+domain+'/@'+nickname+'/'+statusNumber,
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'attributedTo': httpPrefix+'://'+domain+'/users/'+nickname,
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'to': [toUrl],
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'cc': [],
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'sensitive': sensitive,
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'atomUri': newPostId,
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'inReplyToAtomUri': inReplyToAtomUri,
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'conversation': 'tag:'+domain+','+conversationDate+':objectId='+conversationId+':objectType=Conversation',
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'content': content,
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'contentMap': {
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'en': content
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},
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'attachment': [],
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'tag': [],
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'replies': {}
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}
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if ccUrl:
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if len(ccUrl)>0:
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newPost['cc']=ccUrl
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newPost['object']['cc']=ccUrl
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if saveToFile:
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savePostToBox(baseDir,httpPrefix,newPostId,nickname,domain,newPost,'outbox')
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return newPost
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def outboxMessageCreateWrap(httpPrefix: str,nickname: str,domain: str,messageJson: {}) -> {}:
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"""Wraps a received message in a Create
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https://www.w3.org/TR/activitypub/#object-without-create
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"""
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statusNumber,published = getStatusNumber()
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if messageJson.get('published'):
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published = messageJson['published']
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newPostId=httpPrefix+'://'+domain+'/users/'+nickname+'/statuses/'+statusNumber
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cc=[]
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if messageJson.get('cc'):
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cc=messageJson['cc']
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newPost = {
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'id': newPostId+'/activity',
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'type': 'Create',
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'actor': httpPrefix+'://'+domain+'/users/'+nickname,
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'published': published,
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'to': messageJson['to'],
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'cc': cc,
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'object': messageJson
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}
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newPost['object']['id']=newPost['id']
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newPost['object']['url']=httpPrefix+'://'+domain+'/@'+nickname+'/'+statusNumber
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newPost['object']['atomUri']=httpPrefix+'://'+domain+'/users/'+nickname+'/statuses/'+statusNumber
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return newPost
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def createPublicPost(baseDir: str,
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nickname: str, domain: str, port: int,httpPrefix: str, \
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content: str, followersOnly: bool, saveToFile: bool,
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clientToServer: bool, \
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inReplyTo=None, inReplyToAtomUri=None, subject=None) -> {}:
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"""Public post to the outbox
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"""
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return createPostBase(baseDir,nickname, domain, port, \
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'https://www.w3.org/ns/activitystreams#Public', \
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httpPrefix+'://'+domain+'/users/'+nickname+'/followers', \
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httpPrefix, content, followersOnly, saveToFile, clientToServer, \
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inReplyTo, inReplyToAtomUri, subject)
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def threadSendPost(session,postJsonObject: {},federationList: [],inboxUrl: str, \
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baseDir: str,signatureHeaderJson: {},postLog: []) -> None:
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"""Sends a post with exponential backoff
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"""
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tries=0
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backoffTime=60
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for attempt in range(20):
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postResult = postJson(session,postJsonObject,federationList, \
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inboxUrl,signatureHeaderJson)
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if postResult:
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postLog.append(postJsonObject['published']+' '+postResult+'\n')
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# keep the length of the log finite
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# Don't accumulate massive files on systems with limited resources
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while len(postLog)>64:
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postlog.pop(0)
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# save the log file
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filename=baseDir+'/post.log'
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with open(filename, "w") as logFile:
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for line in postLog:
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print(line, file=logFile)
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# our work here is done
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break
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time.sleep(backoffTime)
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backoffTime *= 2
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def sendPost(session,baseDir: str,nickname: str, domain: str, port: int, \
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toNickname: str, toDomain: str, toPort: int, cc: str, \
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httpPrefix: str, content: str, followersOnly: bool, \
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saveToFile: bool, clientToServer: bool, federationList: [], \
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sendThreads: [], postLog: [], cachedWebfingers: {},personCache: {}, \
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inReplyTo=None, inReplyToAtomUri=None, subject=None) -> int:
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"""Post to another inbox
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"""
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withDigest=True
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if toPort!=80 and toPort!=443:
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toDomain=toDomain+':'+str(toPort)
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handle=httpPrefix+'://'+toDomain+'/@'+toNickname
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# lookup the inbox for the To handle
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wfRequest = webfingerHandle(session,handle,httpPrefix,cachedWebfingers)
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if not wfRequest:
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return 1
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# get the actor inbox for the To handle
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inboxUrl,pubKeyId,pubKey,toPersonId = \
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getPersonBox(session,wfRequest,personCache,'inbox')
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if not inboxUrl:
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return 2
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if not pubKey:
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return 3
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if not toPersonId:
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return 4
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postJsonObject = \
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createPostBase(baseDir,nickname,domain,port, \
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toPersonId,cc,httpPrefix,content, \
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followersOnly,saveToFile,clientToServer, \
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inReplyTo,inReplyToAtomUri, \
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subject)
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# get the senders private key
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privateKeyPem=getPersonKey(nickname,domain,baseDir,'private')
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if len(privateKeyPem)==0:
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return 5
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if not clientToServer:
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postPath='/inbox'
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else:
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postPath='/outbox'
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# construct the http header
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signatureHeaderJson = \
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createSignedHeader(privateKeyPem, nickname, domain, port, \
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postPath, httpPrefix, withDigest, postJsonObject)
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# Keep the number of threads being used small
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while len(sendThreads)>10:
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sendThreads[0].kill()
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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 createInbox(baseDir: str,nickname: str,domain: str,port: int,httpPrefix: str, \
|
|
itemsPerPage: int,headerOnly: bool,pageNumber=None) -> {}:
|
|
return createBoxBase(baseDir,'inbox',nickname,domain,port,httpPrefix, \
|
|
itemsPerPage,headerOnly,pageNumber)
|
|
def createOutbox(baseDir: str,nickname: str,domain: str,port: int,httpPrefix: str, \
|
|
itemsPerPage: int,headerOnly: bool,pageNumber=None) -> {}:
|
|
return createBoxBase(baseDir,'outbox',nickname,domain,port,httpPrefix, \
|
|
itemsPerPage,headerOnly,pageNumber)
|
|
|
|
def createBoxBase(baseDir: str,boxname: str,nickname: str,domain: str,port: int,httpPrefix: str, \
|
|
itemsPerPage: int,headerOnly: bool,pageNumber=None) -> {}:
|
|
"""Constructs the box feed
|
|
"""
|
|
if boxname!='inbox' and boxname!='outbox':
|
|
return None
|
|
boxDir = createPersonDir(nickname,domain,baseDir,boxname)
|
|
|
|
if port!=80 and port!=443:
|
|
domain = domain+':'+str(port)
|
|
|
|
pageStr='?page=true'
|
|
if pageNumber:
|
|
try:
|
|
pageStr='?page='+str(pageNumber)
|
|
except:
|
|
pass
|
|
boxHeader = {'@context': 'https://www.w3.org/ns/activitystreams',
|
|
'first': httpPrefix+'://'+domain+'/users/'+nickname+'/'+boxname+'?page=true',
|
|
'id': httpPrefix+'://'+domain+'/users/'+nickname+'/'+boxname,
|
|
'last': httpPrefix+'://'+domain+'/users/'+nickname+'/'+boxname+'?page=true',
|
|
'totalItems': 0,
|
|
'type': 'OrderedCollection'}
|
|
boxItems = {'@context': 'https://www.w3.org/ns/activitystreams',
|
|
'id': httpPrefix+'://'+domain+'/users/'+nickname+'/'+boxname+pageStr,
|
|
'orderedItems': [
|
|
],
|
|
'partOf': httpPrefix+'://'+domain+'/users/'+nickname+'/'+boxname,
|
|
'type': 'OrderedCollectionPage'}
|
|
|
|
# counter for posts loop
|
|
postsOnPageCtr=0
|
|
|
|
# post filenames sorted in descending order
|
|
postsInBox=sorted(os.listdir(boxDir), reverse=True)
|
|
|
|
# number of posts in box
|
|
boxHeader['totalItems']=len(postsInBox)
|
|
prevPostFilename=None
|
|
|
|
if not pageNumber:
|
|
pageNumber=1
|
|
|
|
# Generate first and last entries within header
|
|
if len(postsInBox)>0:
|
|
lastPage=int(len(postsInBox)/itemsPerPage)
|
|
if lastPage<1:
|
|
lastPage=1
|
|
boxHeader['last']= \
|
|
httpPrefix+'://'+domain+'/users/'+nickname+'/'+boxname+'?page='+str(lastPage)
|
|
|
|
# Insert posts
|
|
currPage=1
|
|
postsCtr=0
|
|
for postFilename in postsInBox:
|
|
# 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','')
|
|
boxHeader['prev']= \
|
|
httpPrefix+'://'+domain+'/users/'+nickname+'/'+boxname+'?min_id='+postId+'&page=true'
|
|
# get the full path of the post file
|
|
filePath = os.path.join(boxDir, 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 box feed
|
|
if postsOnPageCtr < itemsPerPage:
|
|
if not headerOnly:
|
|
boxItems['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','')
|
|
boxHeader['next']= \
|
|
httpPrefix+'://'+domain+'/users/'+ \
|
|
nickname+'/'+boxname+'?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 boxHeader
|
|
return boxItems
|
|
|
|
def archivePosts(nickname: str,domain: str,baseDir: str, \
|
|
boxname: str,maxPostsInBox=256) -> None:
|
|
"""Retain a maximum number of posts within the given box
|
|
Move any others to an archive directory
|
|
"""
|
|
if boxname!='inbox' and boxname!='outbox':
|
|
return
|
|
boxDir = createPersonDir(nickname,domain,baseDir,boxname)
|
|
archiveDir = createBoxArchive(nickname,domain,baseDir,boxname)
|
|
postsInBox=sorted(os.listdir(boxDir), reverse=False)
|
|
noOfPosts=len(postsInBox)
|
|
if noOfPosts<=maxPostsInBox:
|
|
return
|
|
|
|
for postFilename in postsInBox:
|
|
filePath = os.path.join(boxDir, 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 <= maxPostsInBox:
|
|
break
|
|
|
|
def getPublicPostsOfPerson(nickname,domain,raw,simple):
|
|
""" This is really just for test purposes
|
|
"""
|
|
useTor=True
|
|
port=443
|
|
session = createSession(domain,port,useTor)
|
|
personCache={}
|
|
cachedWebfingers={}
|
|
federationList=[]
|
|
|
|
httpPrefix='https'
|
|
handle=httpPrefix+"://"+domain+"/@"+nickname
|
|
wfRequest = webfingerHandle(session,handle,httpPrefix,cachedWebfingers)
|
|
if not wfRequest:
|
|
sys.exit()
|
|
|
|
personUrl,pubKeyId,pubKey,personId=getPersonBox(session,wfRequest,personCache,'outbox')
|
|
wfResult = json.dumps(wfRequest, indent=4, sort_keys=True)
|
|
|
|
maxMentions=10
|
|
maxEmoji=10
|
|
maxAttachments=5
|
|
userPosts = getPosts(session,personUrl,30,maxMentions,maxEmoji,maxAttachments,federationList,personCache,raw,simple)
|
|
#print(str(userPosts))
|