__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 import time from collections import OrderedDict from threads import threadWithTrace from cache import storePersonInCache from cache import getPersonFromCache from pprint import pprint from random import randint from session import createSession from session import getJson from session import postJson from session import postImage from webfinger import webfingerHandle from httpsig import createSignedHeader from utils import getStatusNumber from utils import createPersonDir from utils import urlPermitted from utils import getNicknameFromActor from utils import getDomainFromActor from utils import deletePost from utils import validNickname from capabilities import getOcapFilename from capabilities import capabilitiesUpdate from media import attachImage from content import addHtmlTags from auth import createBasicAuthHeader try: from BeautifulSoup import BeautifulSoup except ImportError: from bs4 import BeautifulSoup def noOfFollowersOnDomain(baseDir: str,handle: str, \ domain: str, followFile='followers.txt') -> int: """Returns the number of followers of the given handle from the given domain """ filename=baseDir+'/accounts/'+handle+'/'+followFile if not os.path.isfile(filename): return 0 ctr=0 with open(filename, "r") as followersFilename: for followerHandle in followersFilename: if '@' in followerHandle: followerDomain= \ followerHandle.split('@')[1].replace('\n','') if domain==followerDomain: ctr+=1 return ctr def getPersonKey(nickname: str,domain: str,baseDir: str,keyType='public', \ debug=False): """Returns the public or private key of a person """ handle=nickname+'@'+domain keyFilename=baseDir+'/keys/'+keyType+'/'+handle.lower()+'.key' if not os.path.isfile(keyFilename): if debug: print('DEBUG: private key file not found: '+keyFilename) return '' keyPem='' with open(keyFilename, "r") as pemFile: keyPem=pemFile.read() if len(keyPem)<20: if debug: print('DEBUG: private key was too short: '+keyPem) return '' return keyPem 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: str,asHeader: {}) -> None: feedJson = getJson(session,feedUrl,asHeader,None) if not feedJson: return 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: {},personCache: {}, \ boxName='inbox') -> (str,str,str,str,str,str,str,str): asHeader = {'Accept': 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'} personUrl = getUserUrl(wfRequest) if not personUrl: return None,None,None,None,None,None,None,None personJson = getPersonFromCache(personUrl,personCache) if not personJson: personJson = getJson(session,personUrl,asHeader,None) if not personJson: return None,None,None,None,None,None,None,None boxJson=None if not personJson.get(boxName): if personJson.get('endpoints'): if personJson['endpoints'].get(boxName): boxJson=personJson['endpoints'][boxName] else: boxJson=personJson[boxName] if not boxJson: return None,None,None,None,None,None,None,None 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'] sharedInbox=None if personJson.get('sharedInbox'): sharedInbox=personJson['sharedInbox'] else: if personJson.get('endpoints'): if personJson['endpoints'].get('sharedInbox'): sharedInbox=personJson['endpoints']['sharedInbox'] capabilityAcquisition=None if personJson.get('capabilityAcquisitionEndpoint'): capabilityAcquisition=personJson['capabilityAcquisitionEndpoint'] avatarUrl=None if personJson.get('icon'): if personJson['icon'].get('url'): avatarUrl=personJson['icon']['url'] preferredName=None if personJson.get('preferredUsername'): preferredName=personJson['preferredUsername'] storePersonInCache(personUrl,personJson,personCache) return boxJson,pubKeyId,pubKey,personId,sharedInbox,capabilityAcquisition,avatarUrl,preferredName def getPosts(session,outboxUrl: str,maxPosts: int, \ maxMentions: int, \ maxEmoji: int,maxAttachments: int, \ federationList: [], \ personCache: {},raw: bool, \ simple: bool,debug: bool) -> {}: """Gets public posts from an outbox """ personPosts={} if not outboxUrl: return personPosts asHeader = {'Accept': 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'} if raw: result = [] i = 0 for item in parseUserFeed(session,outboxUrl,asHeader): result.append(item) i += 1 if i == maxPosts: break pprint(result) return None i = 0 for item in parseUserFeed(session,outboxUrl,asHeader): if not item.get('id'): if debug: print('No id') continue if not item.get('type'): if debug: print('No type') continue if item['type'] != 'Create': if debug: print('Not Create type') continue if not item.get('object'): if debug: print('No object') continue if not isinstance(item['object'], dict): if debug: print('item object is not a dict') continue if not item['object'].get('published'): if debug: print('No published attribute') continue #pprint(item) published = item['object']['published'] if not personPosts.get(item['id']): # check that this is a public post # #Public should appear in the "to" list if item['object'].get('to'): isPublic=False for recipient in item['object']['to']: if recipient.endswith('#Public'): isPublic=True break if not isPublic: continue content = item['object']['content'].replace(''',"'") 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 urlPermitted(tagItem['icon']['url'], \ federationList, \ "objects:read"): emojiName=tagItem['name'] emojiIcon=tagItem['icon']['url'] emoji[emojiName]=emojiIcon else: if debug: print('url not permitted '+tagItem['icon']['url']) if tagType=='mention': if tagItem.get('name'): if tagItem['name'] not in mentions: mentions.append(tagItem['name']) if len(mentions)>maxMentions: if debug: print('max mentions reached') continue if len(emoji)>maxEmoji: if debug: print('max emojis reached') 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 urlPermitted(item['object']['inReplyTo'], \ federationList, \ "objects:read"): if debug: print('url not permitted '+item['object']['inReplyTo']) continue inReplyTo = item['object']['inReplyTo'] conversation = '' if item['object'].get('conversation'): if item['object']['conversation']: # no conversations originated in non-permitted domains if urlPermitted(item['object']['conversation'], \ federationList,"objects:read"): 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 urlPermitted(attach['url'], \ federationList, \ "objects:read"): attachment.append([attach['name'],attach['url']]) else: if debug: print('url not permitted '+attach['url']) sensitive = False if item['object'].get('sensitive'): sensitive = item['object']['sensitive'] if simple: print(cleanHtml(content)+'\n') else: pprint(item) personPosts[item['id']] = { "sensitive": sensitive, "inreplyto": inReplyTo, "summary": summary, "html": content, "plaintext": cleanHtml(content), "attachment": attachment, "mentions": mentions, "emoji": emoji, "conversation": conversation } i += 1 if i == maxPosts: break return personPosts def deleteAllPosts(baseDir: str,nickname: str, domain: str,boxname: str) -> None: """Deletes all posts for a person from inbox or outbox """ if boxname!='inbox' and boxname!='outbox': return boxDir = createPersonDir(nickname,domain,baseDir,boxname) for deleteFilename in os.listdir(boxDir): filePath = os.path.join(boxDir, 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 savePostToBox(baseDir: str,httpPrefix: str,postId: str, \ nickname: str, domain: str,postJsonObject: {}, \ boxname: str) -> str: """Saves the give json to the give box Returns the filename """ if boxname!='inbox' and boxname!='outbox': return None originalDomain=domain if ':' in domain: domain=domain.split(':')[0] if not postId: statusNumber,published = getStatusNumber() postId=httpPrefix+'://'+originalDomain+'/users/'+nickname+'/statuses/'+statusNumber postJsonObject['id']=postId+'/activity' if postJsonObject.get('object'): if isinstance(postJsonObject['object'], dict): postJsonObject['object']['id']=postId postJsonObject['object']['atomUri']=postId boxDir = createPersonDir(nickname,domain,baseDir,boxname) filename=boxDir+'/'+postId.replace('/','#')+'.json' with open(filename, 'w') as fp: commentjson.dump(postJsonObject, fp, indent=4, sort_keys=False) return filename def updateHashtagsIndex(baseDir: str,tag: {},newPostId: str) -> None: """Writes the post url for hashtags to a file This allows posts for a hashtag to be quickly looked up """ if tag['type']!='Hashtag': return # create hashtags directory tagsDir=baseDir+'/tags' if not os.path.isdir(tagsDir): os.mkdir(tagsDir) tagName=tag['name'] tagsFilename=tagsDir+'/'+tagName[1:]+'.txt' tagFile=open(tagsFilename, "a+") if not tagFile: return tagFile.write(newPostId+'\n') tagFile.close() def createPostBase(baseDir: str,nickname: str, domain: str, port: int, \ toUrl: str, ccUrl: str, httpPrefix: str, content: str, \ followersOnly: bool, saveToFile: bool, clientToServer: bool, attachImageFilename: str,imageDescription: str,useBlurhash: bool, \ inReplyTo=None, inReplyToAtomUri=None, subject=None) -> {}: """Creates a message """ mentionedRecipients=[] tags=[] hashtagsDict={} if port!=80 and port!=443: if ':' not in domain: domain=domain+':'+str(port) # convert content to html content= \ addHtmlTags(baseDir,httpPrefix, \ nickname,domain,content, \ mentionedRecipients, \ hashtagsDict) statusNumber,published = getStatusNumber() conversationDate=published.split('T')[0] conversationId=statusNumber postTo='https://www.w3.org/ns/activitystreams#Public' postCC=httpPrefix+'://'+domain+'/users/'+nickname+'/followers' if followersOnly: postTo=postCC postCC='' newPostId=httpPrefix+'://'+domain+'/users/'+nickname+'/statuses/'+statusNumber sensitive=False summary=None if subject: summary=subject sensitive=True # who to send to toRecipients=[toUrl] + mentionedRecipients # create a list of hashtags if hashtagsDict: isPublic=False for recipient in toRecipients: if recipient.endswith('#Public'): isPublic=True break for tagName,tag in hashtagsDict.items(): tags.append(tag) if isPublic: updateHashtagsIndex(baseDir,tag,newPostId) if not clientToServer: actorUrl=httpPrefix+'://'+domain+'/users/'+nickname # if capabilities have been granted for this actor # then get the corresponding id capabilityId=None capabilityIdList=[] ocapFilename=getOcapFilename(baseDir,nickname,domain,toUrl,'granted') if os.path.isfile(ocapFilename): with open(ocapFilename, 'r') as fp: oc=commentjson.load(fp) if oc.get('id'): capabilityIdList=[oc['id']] newPost = { 'id': newPostId+'/activity', 'capability': capabilityIdList, 'type': 'Create', 'actor': actorUrl, 'published': published, 'to': [toUrl], 'cc': [], 'object': { 'id': newPostId, 'type': 'Note', 'summary': summary, 'inReplyTo': inReplyTo, 'published': published, 'url': httpPrefix+'://'+domain+'/@'+nickname+'/'+statusNumber, 'attributedTo': httpPrefix+'://'+domain+'/users/'+nickname, 'to': toRecipients, 'cc': [], 'sensitive': sensitive, 'atomUri': newPostId, 'inReplyToAtomUri': inReplyToAtomUri, 'conversation': 'tag:'+domain+','+conversationDate+':objectId='+conversationId+':objectType=Conversation', 'content': content, 'contentMap': { 'en': content }, 'attachment': [], 'tag': tags, 'replies': { 'id': 'https://'+domain+'/users/'+nickname+'/statuses/'+statusNumber+'/replies', 'type': 'Collection', 'first': { 'type': 'CollectionPage', 'partOf': 'https://'+domain+'/users/'+nickname+'/statuses/'+statusNumber+'/replies', 'items': [] } } } } if attachImageFilename: newPost['object']= \ attachImage(baseDir,httpPrefix,domain,port, \ newPost['object'],attachImageFilename, \ imageDescription,useBlurhash) else: newPost = { 'id': newPostId, 'type': 'Note', 'summary': summary, 'inReplyTo': inReplyTo, 'published': published, 'url': httpPrefix+'://'+domain+'/@'+nickname+'/'+statusNumber, 'attributedTo': httpPrefix+'://'+domain+'/users/'+nickname, 'to': toRecipients, 'cc': [], 'sensitive': sensitive, 'atomUri': newPostId, 'inReplyToAtomUri': inReplyToAtomUri, 'conversation': 'tag:'+domain+','+conversationDate+':objectId='+conversationId+':objectType=Conversation', 'content': content, 'contentMap': { 'en': content }, 'attachment': [], 'tag': tags, 'replies': { 'id': 'https://'+domain+'/users/'+nickname+'/statuses/'+statusNumber+'/replies', 'type': 'Collection', 'first': { 'type': 'CollectionPage', 'partOf': 'https://'+domain+'/users/'+nickname+'/statuses/'+statusNumber+'/replies', 'items': [] } } } if attachImageFilename: newPost= \ attachImage(baseDir,httpPrefix,domain,port, \ newPost,attachImageFilename, \ imageDescription,useBlurhash) if ccUrl: if len(ccUrl)>0: newPost['cc']=[ccUrl] if newPost.get('object'): newPost['object']['cc']=[ccUrl] if saveToFile: savePostToBox(baseDir,httpPrefix,newPostId, \ nickname,domain,newPost,'outbox') return newPost def outboxMessageCreateWrap(httpPrefix: str, \ nickname: str,domain: str,port: int, \ messageJson: {}) -> {}: """Wraps a received message in a Create https://www.w3.org/TR/activitypub/#object-without-create """ if port!=80 and port!=443: if ':' not in domain: domain=domain+':'+str(port) statusNumber,published = getStatusNumber() if messageJson.get('published'): published = messageJson['published'] newPostId=httpPrefix+'://'+domain+'/users/'+nickname+'/statuses/'+statusNumber cc=[] if messageJson.get('cc'): cc=messageJson['cc'] # TODO capabilityUrl=[] newPost = { 'id': newPostId+'/activity', 'capability': capabilityUrl, 'type': 'Create', 'actor': httpPrefix+'://'+domain+'/users/'+nickname, 'published': published, 'to': messageJson['to'], 'cc': cc, 'object': messageJson } newPost['object']['id']=newPost['id'] newPost['object']['url']= \ httpPrefix+'://'+domain+'/@'+nickname+'/'+statusNumber newPost['object']['atomUri']= \ httpPrefix+'://'+domain+'/users/'+nickname+'/statuses/'+statusNumber return newPost def postIsAddressedToFollowers(baseDir: str, nickname: str, domain: str, port: int,httpPrefix: str, postJsonObject: {}) -> bool: """Returns true if the given post is addressed to followers of the nickname """ if port!=80 and port!=443: domain=domain+':'+str(port) if not postJsonObject.get('object'): return False toList=[] ccList=[] if isinstance(postJsonObject['object'], dict): if not postJsonObject['object'].get('to'): return False toList=postJsonObject['object']['to'] if postJsonObject['object'].get('cc'): ccList=postJsonObject['object']['cc'] else: if not postJsonObject.get('to'): return False toList=postJsonObject['to'] if postJsonObject.get('cc'): ccList=postJsonObject['cc'] followersUrl=httpPrefix+'://'+domain+'/users/'+nickname+'/followers' # does the followers url exist in 'to' or 'cc' lists? addressedToFollowers=False if followersUrl in toList: addressedToFollowers=True if not addressedToFollowers: if followersUrl in ccList: addressedToFollowers=True return addressedToFollowers def postIsAddressedToPublic(baseDir: str,postJsonObject: {}) -> bool: """Returns true if the given post is addressed to public """ if not postJsonObject.get('object'): return False if not postJsonObject['object'].get('to'): return False publicUrl='https://www.w3.org/ns/activitystreams#Public' # does the public url exist in 'to' or 'cc' lists? addressedToPublic=False if publicUrl in postJsonObject['object']['to']: addressedToPublic=True if not addressedToPublic: if not postJsonObject['object'].get('cc'): return False if publicUrl in postJsonObject['object']['cc']: addressedToPublic=True return addressedToPublic def createPublicPost(baseDir: str, nickname: str, domain: str, port: int,httpPrefix: str, \ content: str, followersOnly: bool, saveToFile: bool, clientToServer: bool,\ attachImageFilename: str,imageDescription: str,useBlurhash: bool, \ inReplyTo=None, inReplyToAtomUri=None, subject=None) -> {}: """Public post """ domainFull=domain if port!=80 and port!=443: if ':' not in domain: domainFull=domain+':'+str(port) return createPostBase(baseDir,nickname, domain, port, \ 'https://www.w3.org/ns/activitystreams#Public', \ httpPrefix+'://'+domainFull+'/users/'+nickname+'/followers', \ httpPrefix, content, followersOnly, saveToFile, \ clientToServer, \ attachImageFilename,imageDescription,useBlurhash, \ inReplyTo, inReplyToAtomUri, subject) def createUnlistedPost(baseDir: str, nickname: str, domain: str, port: int,httpPrefix: str, \ content: str, followersOnly: bool, saveToFile: bool, clientToServer: bool,\ attachImageFilename: str,imageDescription: str,useBlurhash: bool, \ inReplyTo=None, inReplyToAtomUri=None, subject=None) -> {}: """Unlisted post. This has the #Public and followers links inverted. """ domainFull=domain if port!=80 and port!=443: if ':' not in domain: domainFull=domain+':'+str(port) return createPostBase(baseDir,nickname, domain, port, \ httpPrefix+'://'+domainFull+'/users/'+nickname+'/followers', \ 'https://www.w3.org/ns/activitystreams#Public', \ httpPrefix, content, followersOnly, saveToFile, \ clientToServer, \ attachImageFilename,imageDescription,useBlurhash, \ inReplyTo, inReplyToAtomUri, subject) def createFollowersOnlyPost(baseDir: str, nickname: str, domain: str, port: int,httpPrefix: str, \ content: str, followersOnly: bool, saveToFile: bool, clientToServer: bool,\ attachImageFilename: str,imageDescription: str,useBlurhash: bool, \ inReplyTo=None, inReplyToAtomUri=None, subject=None) -> {}: """Followers only post """ domainFull=domain if port!=80 and port!=443: if ':' not in domain: domainFull=domain+':'+str(port) return createPostBase(baseDir,nickname, domain, port, \ httpPrefix+'://'+domainFull+'/users/'+nickname+'/followers', \ None, httpPrefix, content, followersOnly, saveToFile, \ clientToServer, \ attachImageFilename,imageDescription,useBlurhash, \ inReplyTo, inReplyToAtomUri, subject) def getMentionedPeople(baseDir: str,httpPrefix: str,content: str,domain: str) -> []: """Extracts a list of mentioned actors from the given message content """ if '@' not in content: return None mentions=[] words=content.split(' ') for wrd in words: if wrd.startswith('@'): handle=wrd[1:] if '@' not in handle: handle=handle+'@'+domain if not os.path.isdir(baseDir+'/accounts/'+handle): continue else: externalDomain=handle.split('@')[1] if not ('.' in externalDomain or externalDomain=='localhost'): continue mentionedNickname=handle.split('@')[0] if not validNickname(mentionedNickname): continue actor=httpPrefix+'://'+handle.split('@')[1]+'/users/'+mentionedNickname mentions.append(actor) return actor def createDirectMessagePost(baseDir: str, nickname: str, domain: str, port: int,httpPrefix: str, \ content: str, followersOnly: bool, saveToFile: bool, clientToServer: bool,\ attachImageFilename: str,imageDescription: str,useBlurhash: bool, \ inReplyTo=None, inReplyToAtomUri=None, subject=None) -> {}: """Direct Message post """ mentionedPeople=getMentionedPeople(baseDir,httpPrefix,content,domain) postTo=None postCc=None if not mentionedPeople: return None if len(mentionedPeople)==1: postTo=mentionedPeople[0] if len(mentionedPeople)>1: postCc=mentionedPeople[1] return createPostBase(baseDir,nickname, domain, port, \ postTo,postCc, \ httpPrefix, content, followersOnly, saveToFile, \ clientToServer, \ attachImageFilename,imageDescription,useBlurhash, \ inReplyTo, inReplyToAtomUri, subject) def threadSendPost(session,postJsonObject: {},federationList: [],\ inboxUrl: str, baseDir: str,signatureHeaderJson: {},postLog: [], debug :bool) -> None: """Sends a post with exponential backoff """ tries=0 backoffTime=60 for attempt in range(20): postResult = postJson(session,postJsonObject,federationList, \ inboxUrl,signatureHeaderJson, \ "inbox:write") if postResult: if debug: print('DEBUG: json post to '+inboxUrl+' succeeded') if postJsonObject.get('published'): 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 if debug: print('DEBUG: json post to '+inboxUrl+' failed. Waiting for '+ \ str(backoffTime)+' seconds.') time.sleep(backoffTime) backoffTime *= 2 def sendPost(session,baseDir: str,nickname: str, domain: str, port: int, \ toNickname: str, toDomain: str, toPort: int, cc: str, \ httpPrefix: str, content: str, followersOnly: bool, \ saveToFile: bool, clientToServer: bool, \ attachImageFilename: str,imageDescription: str,useBlurhash: bool, \ federationList: [],\ sendThreads: [], postLog: [], cachedWebfingers: {},personCache: {}, \ debug=False,inReplyTo=None,inReplyToAtomUri=None,subject=None) -> int: """Post to another inbox """ withDigest=True if toPort!=80 and toPort!=443: if ':' not in toDomain: toDomain=toDomain+':'+str(toPort) handle=httpPrefix+'://'+toDomain+'/@'+toNickname # lookup the inbox for the To handle wfRequest = webfingerHandle(session,handle,httpPrefix,cachedWebfingers) if not wfRequest: return 1 if not clientToServer: postToBox='inbox' else: postToBox='outbox' # get the actor inbox for the To handle inboxUrl,pubKeyId,pubKey,toPersonId,sharedInbox,capabilityAcquisition,avatarUrl,preferredName = \ getPersonBox(session,wfRequest,personCache,postToBox) # If there are more than one followers on the target domain # then send to the shared inbox indead of the individual inbox if nickname=='capabilities': inboxUrl=capabilityAcquisition if not capabilityAcquisition: return 2 else: if noOfFollowersOnDomain(baseDir,handle,toDomain)>1 and sharedInbox: inboxUrl=sharedInbox if not inboxUrl: return 3 if not pubKey: return 4 if not toPersonId: return 5 # sharedInbox and capabilities are optional postJsonObject = \ createPostBase(baseDir,nickname,domain,port, \ toPersonId,cc,httpPrefix,content, \ followersOnly,saveToFile,clientToServer, \ attachImageFilename,imageDescription,useBlurhash, \ inReplyTo,inReplyToAtomUri,subject) # get the senders private key privateKeyPem=getPersonKey(nickname,domain,baseDir,'private') if len(privateKeyPem)==0: return 6 if toDomain not in inboxUrl: return 7 postPath='/'+inboxUrl.split('/')[-1] # construct the http header signatureHeaderJson = \ createSignedHeader(privateKeyPem, nickname, domain, port, \ postPath, httpPrefix, withDigest, postJsonObject) # 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, debug),daemon=True) sendThreads.append(thr) thr.start() return 0 def sendPostViaServer(baseDir,session,fromNickname: str,password: str, \ fromDomain: str, fromPort: int, \ toNickname: str, toDomain: str, toPort: int, cc: str, \ httpPrefix: str, content: str, followersOnly: bool, \ attachImageFilename: str,imageDescription: str,useBlurhash: bool, \ cachedWebfingers: {},personCache: {}, \ debug=False,inReplyTo=None,inReplyToAtomUri=None,subject=None) -> int: """Send a post via a proxy (c2s) """ if not session: print('WARN: No session for sendPostViaServer') return 6 withDigest=True if toPort!=80 and toPort!=443: if ':' not in fromDomain: fromDomain=fromDomain+':'+str(fromPort) handle=httpPrefix+'://'+fromDomain+'/@'+fromNickname # lookup the inbox for the To handle wfRequest = webfingerHandle(session,handle,httpPrefix,cachedWebfingers) if not wfRequest: if debug: print('DEBUG: webfinger failed for '+handle) return 1 postToBox='outbox' # get the actor inbox for the To handle inboxUrl,pubKeyId,pubKey,fromPersonId,sharedInbox,capabilityAcquisition,avatarUrl,preferredName = \ getPersonBox(session,wfRequest,personCache,postToBox) 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 # Get the json for the c2s post, not saving anything to file # Note that baseDir is set to None saveToFile=False clientToServer=True if toDomain.lower().endswith('public'): toPersonId='https://www.w3.org/ns/activitystreams#Public' fromDomainFull=fromDomain if fromPort: if fromPort!=80 and fromPort!=443: fromDomainFull=fromDomain+':'+str(fromPort) cc=httpPrefix+'://'+fromDomainFull+'/users/'+fromNickname+'/followers' else: if toDomain.lower().endswith('followers') or \ toDomain.lower().endswith('followersonly'): toPersonId=httpPrefix+'://'+fromDomainFull+'/users/'+fromNickname+'/followers' else: toDomainFull=toDomain if toPort!=80 and toDomain!=443: toDomainFull=toDomain+':'+str(toPort) toPersonId=httpPrefix+'://'+toDomainFull+'/users/'+toNickname postJsonObject = \ createPostBase(baseDir, \ fromNickname,fromDomain,fromPort, \ toPersonId,cc,httpPrefix,content, \ followersOnly,saveToFile,clientToServer, \ attachImageFilename,imageDescription,useBlurhash, \ inReplyTo,inReplyToAtomUri,subject) authHeader=createBasicAuthHeader(fromNickname,password) if attachImageFilename: headers = {'host': fromDomain, \ 'Authorization': authHeader} postResult = \ postImage(session,attachImageFilename,[],inboxUrl,headers,"inbox:write") #if not postResult: # if debug: # print('DEBUG: Failed to upload image') # return 9 headers = {'host': fromDomain, \ 'Content-type': 'application/json', \ 'Authorization': authHeader} postResult = \ postJson(session,postJsonObject,[],inboxUrl,headers,"inbox:write") #if not postResult: # if debug: # print('DEBUG: POST failed for c2s to '+inboxUrl) # return 5 if debug: print('DEBUG: c2s POST success') return 0 def groupFollowersByDomain(baseDir :str,nickname :str,domain :str) -> {}: """Returns a dictionary with followers grouped by domain """ handle=nickname+'@'+domain followersFilename=baseDir+'/accounts/'+handle+'/followers.txt' if not os.path.isfile(followersFilename): return None grouped={} with open(followersFilename, "r") as f: for followerHandle in f: if '@' in followerHandle: fHandle=followerHandle.strip().replace('\n','') followerDomain=fHandle.split('@')[1] if not grouped.get(followerDomain): grouped[followerDomain]=[fHandle] else: grouped[followerDomain].append(fHandle) return grouped def sendSignedJson(postJsonObject: {},session,baseDir: str, \ nickname: str, domain: str, port: int, \ toNickname: str, toDomain: str, toPort: int, cc: str, \ httpPrefix: str, saveToFile: bool, clientToServer: bool, \ federationList: [], \ sendThreads: [], postLog: [], cachedWebfingers: {}, \ personCache: {}, debug: bool) -> int: """Sends a signed json object to an inbox/outbox """ if debug: print('DEBUG: sendSignedJson start') if not session: print('WARN: No session specified for sendSignedJson') return 8 withDigest=True sharedInbox=False if toNickname=='inbox': sharedInbox=True if toPort!=80 and toPort!=443: if ':' not in toDomain: toDomain=toDomain+':'+str(toPort) handle=httpPrefix+'://'+toDomain+'/@'+toNickname if debug: print('DEBUG: handle - '+handle+' toPort '+str(toPort)) # lookup the inbox for the To handle wfRequest=webfingerHandle(session,handle,httpPrefix,cachedWebfingers) if not wfRequest: if debug: print('DEBUG: webfinger for '+handle+' failed') return 1 if not clientToServer: postToBox='inbox' else: postToBox='outbox' # get the actor inbox/outbox/capabilities for the To handle inboxUrl,pubKeyId,pubKey,toPersonId,sharedInboxUrl,capabilityAcquisition,avatarUrl,preferredName = \ getPersonBox(session,wfRequest,personCache,postToBox) if nickname=='capabilities': inboxUrl=capabilityAcquisition if not capabilityAcquisition: return 2 else: if sharedInbox and sharedInboxUrl: inboxUrl=sharedInboxUrl if not inboxUrl: if debug: print('DEBUG: missing inboxUrl') return 3 if debug: print('DEBUG: Sending to endpoint '+inboxUrl) if not pubKey: if debug: print('DEBUG: missing pubkey') return 4 if not toPersonId: if debug: print('DEBUG: missing personId') return 5 # sharedInbox and capabilities are optional # get the senders private key privateKeyPem=getPersonKey(nickname,domain,baseDir,'private',debug) if len(privateKeyPem)==0: if debug: print('DEBUG: Private key not found for '+nickname+'@'+domain+' in '+baseDir+'/keys/private') return 6 if toDomain not in inboxUrl: if debug: print('DEBUG: '+toDomain+' not in '+inboxUrl) return 7 postPath='/'+inboxUrl.split('/')[-1] # construct the http header signatureHeaderJson = \ createSignedHeader(privateKeyPem, nickname, domain, port, \ postPath, httpPrefix, withDigest, postJsonObject) # Keep the number of threads being used small while len(sendThreads)>10: sendThreads[0].kill() sendThreads.pop(0) if debug: print('DEBUG: starting thread to send post') pprint(postJsonObject) thr = threadWithTrace(target=threadSendPost, \ args=(session, \ postJsonObject.copy(), \ federationList, \ inboxUrl,baseDir, \ signatureHeaderJson.copy(), \ postLog, debug),daemon=True) sendThreads.append(thr) thr.start() return 0 def sendToNamedAddresses(session,baseDir: str, \ nickname: str, domain: str, port: int, \ httpPrefix: str,federationList: [], \ sendThreads: [],postLog: [], \ cachedWebfingers: {},personCache: {}, \ postJsonObject: {},debug: bool) -> None: """sends a post to the specific named addresses in to/cc """ if not session: print('WARN: No session for sendToNamedAddresses') return if not postJsonObject.get('object'): return if isinstance(postJsonObject['object'], dict): if not postJsonObject['object'].get('to'): return recipientsObject=postJsonObject['object'] else: if not postJsonObject.get('to'): return recipientsObject=postJsonObject recipients=[] recipientType=['to','cc'] for rType in recipientType: for address in recipientsObject[rType]: if address.endswith('#Public'): continue if address.endswith('/followers'): continue recipients.append(address) if not recipients: return if debug: print('DEBUG: Sending individually addressed posts: '+str(recipients)) # this is after the message has arrived at the server clientToServer=False for address in recipients: toNickname=getNicknameFromActor(address) if not toNickname: continue toDomain,toPort=getDomainFromActor(address) if not toDomain: continue if debug: domainFull=domain if port: if port!=80 and port!=443: domainFull=domain+':'+str(port) toDomainFull=toDomain if toPort: if toPort!=80 and toPort!=443: toDomainFull=toDomain+':'+str(toPort) print('DEBUG: Post sending s2s: '+nickname+'@'+domainFull+' to '+toNickname+'@'+toDomainFull) cc=[] sendSignedJson(postJsonObject,session,baseDir, \ nickname,domain,port, \ toNickname,toDomain,toPort, \ cc,httpPrefix,True,clientToServer, \ federationList, \ sendThreads,postLog,cachedWebfingers, \ personCache,debug) def sendToFollowers(session,baseDir: str, \ nickname: str, domain: str, port: int, \ httpPrefix: str,federationList: [], \ sendThreads: [],postLog: [], \ cachedWebfingers: {},personCache: {}, \ postJsonObject: {},debug: bool) -> None: """sends a post to the followers of the given nickname """ if not session: print('WARN: No session for sendToFollowers') return if not postIsAddressedToFollowers(baseDir,nickname,domain, \ port,httpPrefix,postJsonObject): if debug: print('Post is not addressed to followers') return grouped=groupFollowersByDomain(baseDir,nickname,domain) if not grouped: if debug: print('Post to followers did not resolve any domains') return # this is after the message has arrived at the server clientToServer=False # for each instance for followerDomain,followerHandles in grouped.items(): if debug: print('DEBUG: follower handles for '+followerDomain) pprint(followerHandles) toPort=port index=0 toDomain=followerHandles[index].split('@')[1] if ':' in toDomain: toPort=toDomain.split(':')[1] toDomain=toDomain.split(':')[0] toNickname=followerHandles[index].split('@')[0] cc='' if len(followerHandles)>1: nickname='inbox' toNickname='inbox' if debug: print('DEBUG: Sending from '+nickname+'@'+domain+' to '+toNickname+'@'+toDomain) sendSignedJson(postJsonObject,session,baseDir, \ nickname,domain,port, \ toNickname,toDomain,toPort, \ cc,httpPrefix,True,clientToServer, \ federationList, \ sendThreads,postLog,cachedWebfingers, \ personCache,debug) if debug: print('DEBUG: End of sendToFollowers') def createInbox(baseDir: str,nickname: str,domain: str,port: int,httpPrefix: str, \ itemsPerPage: int,headerOnly: bool,ocapAlways: bool,pageNumber=None) -> {}: return createBoxBase(baseDir,'inbox',nickname,domain,port,httpPrefix, \ itemsPerPage,headerOnly,True,ocapAlways,pageNumber) def createOutbox(baseDir: str,nickname: str,domain: str,port: int,httpPrefix: str, \ itemsPerPage: int,headerOnly: bool,authorized: bool,pageNumber=None) -> {}: return createBoxBase(baseDir,'outbox',nickname,domain,port,httpPrefix, \ itemsPerPage,headerOnly,authorized,False,pageNumber) def getStatusNumberFromPostFilename(filename) -> int: """Gets the status number from a post filename eg. https:##testdomain.com:8085#users#testuser567#statuses#1562958506952068.json returns 156295850695206 """ if '#statuses#' not in filename: return None return int(filename.split('#')[-1].replace('.json','')) def createBoxBase(baseDir: str,boxname: str, \ nickname: str,domain: str,port: int,httpPrefix: str, \ itemsPerPage: int,headerOnly: bool,authorized :bool, \ ocapAlways: bool,pageNumber=None) -> {}: """Constructs the box feed for a person with the given nickname """ if boxname!='inbox' and boxname!='outbox': return None boxDir = createPersonDir(nickname,domain,baseDir,boxname) sharedBoxDir=None if boxname=='inbox': sharedBoxDir = createPersonDir('inbox',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 postsInBoxDict={} postsCtr=0 postsInPersonInbox=os.listdir(boxDir) for postFilename in postsInPersonInbox: if not postFilename.endswith('.json'): continue # extract the status number statusNumber=getStatusNumberFromPostFilename(postFilename) if statusNumber: postsInBoxDict[statusNumber]=os.path.join(boxDir, postFilename) postsCtr+=1 # combine the inbox for the account with the shared inbox if sharedBoxDir: handle=nickname+'@'+domain followingFilename=baseDir+'/accounts/'+handle+'/following.txt' postsInSharedInbox=os.listdir(sharedBoxDir) for postFilename in postsInSharedInbox: statusNumber=getStatusNumberFromPostFilename(postFilename) if statusNumber: sharedInboxFilename=os.path.join(sharedBoxDir, postFilename) # get the actor from the shared post with open(sharedInboxFilename, 'r') as fp: postJsonObject=commentjson.load(fp) actorNickname=getNicknameFromActor(postJsonObject['actor']) actorDomain,actorPort=getDomainFromActor(postJsonObject['actor']) if actorNickname and actorDomain: # is the actor followed by this account? if actorNickname+'@'+actorDomain in open(followingFilename).read(): if ocapAlways: capsList=None # Note: should this be in the Create or the object of a post? if postJsonObject.get('capability'): if isinstance(postJsonObject['capability'], list): capsList=postJsonObject['capability'] # Have capabilities been granted for the sender? ocapFilename=baseDir+'/accounts/'+handle+'/ocap/granted/'+postJsonObject['actor'].replace('/','#')+'.json' if os.path.isfile(ocapFilename): # read the capabilities id with open(ocapFilename, 'r') as fp: ocapJson=commentjson.load(fp) if ocapJson.get('id'): if ocapJson['id'] in capsList: postsInBoxDict[statusNumber]=sharedInboxFilename postsCtr+=1 else: postsInBoxDict[statusNumber]=sharedInboxFilename postsCtr+=1 # sort the list in descending order of date postsInBox=OrderedDict(sorted(postsInBoxDict.items(),reverse=True)) # number of posts in box boxHeader['totalItems']=postsCtr prevPostFilename=None if not pageNumber: pageNumber=1 # Generate first and last entries within header if postsCtr>0: lastPage=int(postsCtr/itemsPerPage) if lastPage<1: lastPage=1 boxHeader['last']= \ httpPrefix+'://'+domain+'/users/'+nickname+'/'+boxname+'?page='+str(lastPage) # Insert posts currPage=1 postsCtr=0 for statusNumber,postFilename in postsInBox.items(): # 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 = 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) # remove any capability so that it's not displayed if p.get('capability'): del p['capability'] # Don't show likes or replies to unauthorized viewers if not authorized: if p.get('object'): if isinstance(p['object'], dict): if p['object'].get('likes'): p['likes']={} if p['object'].get('replies'): p['replies']={} # 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(baseDir: str,httpPrefix: str,archiveDir: str,maxPostsInBox=256) -> None: """Archives posts for all accounts """ if archiveDir: if not os.path.isdir(archiveDir): os.mkdir(archiveDir) if archiveDir: if not os.path.isdir(archiveDir+'/accounts'): os.mkdir(archiveDir+'/accounts') for subdir, dirs, files in os.walk(baseDir+'/accounts'): for handle in dirs: if '@' in handle: nickname=handle.split('@')[0] domain=handle.split('@')[1] archiveSubdir=None if archiveDir: if not os.path.isdir(archiveDir+'/accounts/'+handle): os.mkdir(archiveDir+'/accounts/'+handle) if not os.path.isdir(archiveDir+'/accounts/'+handle+'/inbox'): os.mkdir(archiveDir+'/accounts/'+handle+'/inbox') if not os.path.isdir(archiveDir+'/accounts/'+handle+'/outbox'): os.mkdir(archiveDir+'/accounts/'+handle+'/outbox') archiveSubdir=archiveDir+'/accounts/'+handle+'/inbox' archivePostsForPerson(httpPrefix,nickname,domain,baseDir, \ 'inbox',archiveSubdir, \ maxPostsInBox) if archiveDir: archiveSubdir=archiveDir+'/accounts/'+handle+'/outbox' archivePostsForPerson(httpPrefix,nickname,domain,baseDir, \ 'outbox',archiveSubdir, \ maxPostsInBox) def archivePostsForPerson(httpPrefix: str,nickname: str,domain: str,baseDir: str, \ boxname: str,archiveDir: 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 if archiveDir: if not os.path.isdir(archiveDir): os.mkdir(archiveDir) boxDir = createPersonDir(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): if archiveDir: repliesPath=filePath.replace('.json','.replies') archivePath = os.path.join(archiveDir, postFilename) os.rename(filePath,archivePath) if os.path.isfile(repliesPath): os.rename(repliesPath,archivePath) else: deletePost(baseDir,httpPrefix,nickname,domain,filePath,False) noOfPosts -= 1 if noOfPosts <= maxPostsInBox: break def getPublicPostsOfPerson(nickname: str,domain: str, \ raw: bool,simple: bool,useTor: bool, \ port: int,httpPrefix: str, \ debug: bool) -> None: """ This is really just for test purposes """ session = createSession(domain,port,useTor) personCache={} cachedWebfingers={} federationList=[] domainFull=domain if port!=80 and port!=443: domainFull=domain+':'+str(port) handle=httpPrefix+"://"+domainFull+"/@"+nickname wfRequest = \ webfingerHandle(session,handle,httpPrefix,cachedWebfingers) if not wfRequest: sys.exit() personUrl,pubKeyId,pubKey,personId,shaedInbox,capabilityAcquisition,avatarUrl,preferredName= \ 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,debug) #print(str(userPosts)) def sendCapabilitiesUpdate(session,baseDir: str,httpPrefix: str, \ nickname: str,domain: str,port: int, \ followerUrl,updateCaps: [], \ sendThreads: [],postLog: [], \ cachedWebfingers: {},personCache: {}, \ federationList :[],debug :bool) -> int: """When the capabilities for a follower are changed this sends out an update. followerUrl is the actor of the follower. """ updateJson=capabilitiesUpdate(baseDir,httpPrefix, \ nickname,domain,port, \ followerUrl, \ updateCaps) if not updateJson: return 1 if debug: pprint(updateJson) print('DEBUG: sending capabilities update from '+ \ nickname+'@'+domain+' port '+ str(port) + \ ' to '+followerUrl) clientToServer=False followerNickname=getNicknameFromActor(followerUrl) followerDomain,followerPort=getDomainFromActor(followerUrl) return sendSignedJson(updateJson,session,baseDir, \ nickname,domain,port, \ followerNickname,followerDomain,followerPort, '', \ httpPrefix,True,clientToServer, \ federationList, \ sendThreads,postLog,cachedWebfingers, \ personCache,debug) def populateRepliesJson(baseDir: str,nickname: str,domain: str,postRepliesFilename: str,authorized: bool,repliesJson: {}) -> None: # populate the items list with replies repliesBoxes=['outbox','inbox'] with open(postRepliesFilename,'r') as repliesFile: for messageId in repliesFile: replyFound=False # examine inbox and outbox for boxname in repliesBoxes: searchFilename= \ baseDir+ \ '/accounts/'+nickname+'@'+ \ domain+'/'+ \ boxname+'/'+ \ messageId.replace('\n','').replace('/','#')+'.json' if os.path.isfile(searchFilename): if authorized or \ 'https://www.w3.org/ns/activitystreams#Public' in open(searchFilename).read(): with open(searchFilename, 'r') as fp: postJsonObject=commentjson.load(fp) if postJsonObject['object'].get('cc'): if authorized or \ ('https://www.w3.org/ns/activitystreams#Public' in postJsonObject['object']['to'] or \ 'https://www.w3.org/ns/activitystreams#Public' in postJsonObject['object']['cc']): repliesJson['orderedItems'].append(postJsonObject) replyFound=True else: if authorized or \ 'https://www.w3.org/ns/activitystreams#Public' in postJsonObject['object']['to']: repliesJson['orderedItems'].append(postJsonObject) replyFound=True break # if not in either inbox or outbox then examine the shared inbox if not replyFound: searchFilename= \ baseDir+ \ '/accounts/inbox@'+ \ domain+'/inbox/'+ \ messageId.replace('\n','').replace('/','#')+'.json' if os.path.isfile(searchFilename): if authorized or \ 'https://www.w3.org/ns/activitystreams#Public' in open(searchFilename).read(): # get the json of the reply and append it to the collection with open(searchFilename, 'r') as fp: postJsonObject=commentjson.load(fp) if postJsonObject['object'].get('cc'): if authorized or \ ('https://www.w3.org/ns/activitystreams#Public' in postJsonObject['object']['to'] or \ 'https://www.w3.org/ns/activitystreams#Public' in postJsonObject['object']['cc']): repliesJson['orderedItems'].append(postJsonObject) else: if authorized or \ 'https://www.w3.org/ns/activitystreams#Public' in postJsonObject['object']['to']: repliesJson['orderedItems'].append(postJsonObject)