pelican-plugin-activitypub/pelican/plugins/activitypub/activitypub.py

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import datetime
import logging
import json
import os
import urllib.parse
import pelican.writers
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from pelican import signals
log = logging.getLogger(__name__)
__version__ = '0.1.2'
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pagination = 25
def ap_article(generator: pelican.ArticlesGenerator, writer: pelican.writers.Writer):
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now = datetime.datetime.utcnow()
author = generator.settings['AUTHOR']
domain = urllib.parse.urlparse(generator.settings['SITEURL']).netloc
wkhmpath = os.path.join(writer.output_path, '.well-known/host-meta')
wknipath = os.path.join(writer.output_path, '.well-known/nodeinfo')
nipath = os.path.join(writer.output_path, 'activitypub/nodeinfo')
wfpath = os.path.join(writer.output_path, '.well-known/webfinger')
awfpath = os.path.join(writer.output_path, '.well-known/_webfinger')
authorpath = os.path.join(writer.output_path, 'activitypub/users')
os.makedirs(os.path.join(writer.output_path, '.well-known'), exist_ok=True)
os.makedirs(awfpath, exist_ok=True)
os.makedirs(os.path.join(writer.output_path, 'activitypub/users'), exist_ok=True)
os.makedirs(os.path.join(writer.output_path, 'activitypub/posts'), exist_ok=True)
os.makedirs(os.path.join(writer.output_path, 'activitypub/tags'), exist_ok=True)
os.makedirs(os.path.join(writer.output_path, 'activitypub/collections/inbox'), exist_ok=True)
os.makedirs(os.path.join(writer.output_path, 'activitypub/collections/outbox'), exist_ok=True)
for author, _ in generator.authors:
os.makedirs(os.path.join(writer.output_path, 'activitypub/collections/outbox_page', author.slug), exist_ok=True)
os.makedirs(os.path.join(writer.output_path, 'activitypub/collections/following'), exist_ok=True)
os.makedirs(os.path.join(writer.output_path, 'activitypub/collections/followers'), exist_ok=True)
wknodeinfo = {
'links': [
{
'href': os.path.join(generator.settings['SITEURL'], 'activitypub/nodeinfo'),
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'rel': 'http://nodeinfo.diaspora.software/ns/schema/2.0'
}
]
}
nodeinfo = {
'version': '2.0',
'software': {
'name': 'pelican-activitypub',
'version': __version__
},
'protocols': ['activitypub'],
'services': {
'inbound': [],
'outbound': ['atom1.0', 'rss2.0']
},
'openRegistrations': False,
'usage': {
'users': {
'total': len(generator.authors),
},
'localPosts': len(generator.articles)
},
'metadata': {
'nodeName': generator.settings['SITENAME'],
}
}
wfurl = os.path.join(generator.settings['SITEURL'], '.well-known/webfinger?resource={uri}')
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hostmeta = f'<?xml version="1.0" encoding="UTF-8"?><XRD xmlns="http://docs.oasis-open.org/ns/xri/xrd-1.0"><Link rel="lrdd" template="{wfurl}" type="application/xrd+xml" /></XRD>'
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webfinger = {
'subject': f'acct:{author}@{domain}',
'aliases': [
os.path.join(generator.settings['SITEURL'], 'author', author.slug + '.html'),
os.path.join(generator.settings['SITEURL'], 'activitypub/users/', author.slug)
],
'links': [
{
'rel': 'http://webfinger.net/rel/profile-page',
'type': 'text/html',
'href': os.path.join(generator.settings['SITEURL'], 'author', author.slug + '.html')
},
{
'rel': 'self',
'type': 'application/activity+json',
'href': os.path.join(generator.settings['SITEURL'], 'activitypub/users', author.slug)
}
]
}
with open(wkhmpath, 'w') as hf:
hf.write(hostmeta)
with open(wknipath, 'w') as nf:
json.dump(wknodeinfo, nf)
with open(nipath, 'w') as nf:
json.dump(nodeinfo, nf)
with open(wfpath, 'w') as wf:
json.dump(webfinger, wf)
for t in generator.tags:
url = os.path.join(generator.settings['SITEURL'], 'activitypub/tags', t.slug)
path = os.path.join(writer.output_path, 'activitypub/tags', t.slug)
articles = []
for article in generator.articles:
if t.name not in article.metadata.get('tags', []):
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continue
articles.append(
os.path.join(generator.settings['SITEURL'], 'activitypub/posts', article.slug)
)
tag = {
'@context': ['https://www.w3.org/ns/activitystreams'],
'id': url,
'type': 'OrderedCollection',
'totalItems': len(articles),
'orderedItems': articles
}
with open(path, 'w') as f:
json.dump(tag, f)
articlemap = {}
for article in generator.articles:
aurl = os.path.join(generator.settings['SITEURL'], 'activitypub/posts', article.slug)
apath = os.path.join(writer.output_path, 'activitypub/posts', article.slug)
tags = []
for tag in article.metadata.get('tags', []):
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tags.append({
'type': 'Hashtag',
'name': '#' + tag.slug,
'href': os.path.join(generator.settings['SITEURL'], 'activitypub/tags', tag.slug)
})
replyto = None
if 'series' in article.metadata and 'seriesindex' in article.metadata:
series = article.metadata['series']
sindex = int(article.metadata['seriesindex'])
for sa in generator.articles:
if 'series' in sa.metadata and 'seriesindex' in sa.metadata \
and sa.metadata['series'] == series and int(sa.metadata['seriesindex']) == sindex - 1:
replyto = os.path.join(generator.settings['SITEURL'], 'activitypub/posts', sa.slug)
break
cc = [os.path.join(generator.settings['SITEURL'], 'activitypub/collections/followers', article.author.slug)]
aa = generator.settings.get('ACTIVITYPUB_AUTHORS', {}).get(author.name, {})
if 'movedTo' in aa:
cc.append(aa['movedTo'])
tags.append({
'type': 'Mention',
'href': aa['movedTo'],
'name': aa['movedToName']
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})
cmap = {}
tmap = {}
for lang in article.translations + [article]:
tmap[lang.lang] = lang.title
cmap[lang.lang] = lang.content
articlemap[article.slug] = {
'@context': ['https://www.w3.org/ns/activitystreams'],
'type': 'Article',
'id': aurl,
'published': article.date.isoformat(timespec='seconds'),
'inReplyTo': replyto,
'url': os.path.join(generator.settings['SITEURL'], article.url),
'attributedTo': os.path.join(generator.settings['SITEURL'], 'activitypub/users', article.author.slug),
'to': ['https://www.w3.org/ns/activitystreams#Public'],
'cc': cc,
'name': article.title,
'nameMap': tmap,
'content': article.content,
'contentMap': cmap,
'summary': None,
'attachment': [],
'tag': tags
}
with open(apath, 'w') as f:
json.dump(articlemap[article.slug], f)
for author, articles in generator.authors:
aa = generator.settings.get('ACTIVITYPUB_AUTHORS', {}).get(author.name, {})
url = os.path.join(generator.settings['SITEURL'], 'activitypub/users', author.slug)
wwwurl = os.path.join(generator.settings['SITEURL'], 'author', author.slug + '.html')
inboxurl = os.path.join(generator.settings['SITEURL'], 'activitypub/collections/inbox', author.slug)
inboxpath = os.path.join(writer.output_path, 'activitypub/collections/inbox', author.slug)
outboxurl = os.path.join(generator.settings['SITEURL'], 'activitypub/collections/outbox', author.slug)
outboxpath = os.path.join(writer.output_path, 'activitypub/collections/outbox', author.slug)
followersurl = os.path.join(generator.settings['SITEURL'], 'activitypub/collections/followers', author.slug)
followerspath = os.path.join(writer.output_path, 'activitypub/collections/followers', author.slug)
followingurl = os.path.join(generator.settings['SITEURL'], 'activitypub/collections/following', author.slug)
followingpath = os.path.join(writer.output_path, 'activitypub/collections/following', author.slug)
creates = []
for article in articles:
art = articlemap[article.slug]
creates.append({
'@context': ['https://www.w3.org/ns/activitystreams'],
'type': 'Create',
'id': os.path.join(generator.settings['SITEURL'], 'activitypub/posts', article.slug),
'actor': url,
'published': article.date.isoformat(timespec='seconds'),
'to': art['to'],
'cc': art['cc'],
'object': art
})
if len(articles) == 0:
published = now.isoformat(timespec='seconds') + 'Z'
else:
published = min([x.date for x in articles]).isoformat(timespec='seconds')
a = {
'@context': [
'https://www.w3.org/ns/activitystreams',
{
'schema': 'http://schema.org#',
'toot': 'http://joinmastodon.org/ns#',
'PropertyValue': 'schema:PropertyValue',
'value': 'schema:value',
'alsoKnownAs': {
'@id': 'as:alsoKnownAs',
'@type': '@id'
},
'movedTo': {
'@id': 'as:movedTo',
'@type': '@id'
},
'discoverable': 'toot:discoverable',
}
],
'type': 'Person',
'id': url,
'inbox': inboxurl,
'outbox': outboxurl,
'following': followingurl,
'followers': followersurl,
'preferredUsername': author.name,
'url': wwwurl,
'name': author.slug,
'discoverable': True,
'manuallyApprovesFollowers': True,
'published': published,
'updated': now.isoformat(timespec='seconds') + 'Z',
'tag': [],
'attachment': [],
'endpoints': {
'sharedInbox': inboxurl
},
'icon': {},
'image': {}
}
a.update({k: v for k, v in aa.items() if not k.startswith('_')})
inbox = {
'@context': ['https://www.w3.org/ns/activitystreams'],
'type': 'OrderedCollection',
'id': inboxurl,
'totalItems': 0,
'orderedItems': []
}
maxpage = len(creates) // pagination
outbox = {
'@context': ['https://www.w3.org/ns/activitystreams'],
'type': 'OrderedCollection',
'id': outboxurl,
'totalItems': len(creates),
'first': os.path.join(generator.settings['SITEURL'], 'activitypub/collections/outbox_page/', author.slug, str(0)),
'last': os.path.join(generator.settings['SITEURL'], 'activitypub/collections/outbox_page/', author.slug, str(maxpage))
}
following = {
'@context': ['https://www.w3.org/ns/activitystreams'],
'type': 'OrderedCollection',
'id': followingurl,
'totalItems': 0,
'orderedItems': []
}
followers = {
'@context': ['https://www.w3.org/ns/activitystreams'],
'type': 'OrderedCollection',
'id': followersurl,
'totalItems': 0,
'orderedItems': []
}
for i in range(0, len(creates), pagination):
ipage = i // pagination
outpageurl = os.path.join(generator.settings['SITEURL'], 'activitypub/collections/outbox_page', author.slug, str(ipage))
outpagepath = os.path.join(writer.output_path, 'activitypub/collections/outbox_page', author.slug, str(ipage))
page = {
'@context': ['https://www.w3.org/ns/activitystreams'],
'type': 'OrderedCollectionPage',
'id': outpageurl,
'totalItems': len(creates),
'partOf': outboxurl,
'orderedItems': creates[i:i+pagination]
}
if ipage > 0:
page['prev'] = os.path.join(generator.settings['SITEURL'], 'activitypub/collections/outbox_page', author.slug, str(ipage-1))
if ipage < maxpage:
page['next'] = os.path.join(generator.settings['SITEURL'], 'activitypub/collections/outbox_page', author.slug, str(ipage+1))
with open(outpagepath, 'w') as f:
json.dump(page, f)
author_webfinger = {
'subject': f'acct:{author.name}@{domain}',
'aliases': [
os.path.join(generator.settings['SITEURL'], 'author', author.name + '.html'),
os.path.join(generator.settings['SITEURL'], 'activitypub/users/', author.name)
],
'links': [
{
'rel': 'http://webfinger.net/rel/profile-page',
'type': 'text/html',
'href': os.path.join(generator.settings['SITEURL'], 'author', author.name + '.html')
},
{
'rel': 'self',
'type': 'application/activity+json',
'href': os.path.join(generator.settings['SITEURL'], 'activitypub/users', author.name)
}
]
}
with open(os.path.join(awfpath, author.name), 'w') as f:
json.dump(author_webfinger, f)
with open(os.path.join(authorpath, author.name), 'w') as f:
json.dump(a, f)
with open(inboxpath, 'w') as f:
json.dump(inbox, f)
with open(outboxpath, 'w') as f:
json.dump(outbox, f)
with open(followingpath, 'w') as f:
json.dump(following, f)
with open(followerspath, 'w') as f:
json.dump(followers, f)
def register():
signals.article_writer_finalized.connect(ap_article)