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import urllib.parse
from src import ModuleManager, utils
WEBFINGER = "https://%s/.well-known/webfinger"
WEBFINGER_HEADERS = {"Accept": "application/jrd+json"}
ACTIVITY_TYPE = "application/activity+json"
ACTIVITY_HEADERS = {"Accept": ("application/ld+json; "
'profile="https://www.w3.org/ns/activitystreams"')}
class Module(ModuleManager.BaseModule):
_name = "Fedi"
@utils.hook("received.command.fediverse")
@utils.hook("received.command.fedi", alias_of="fediverse")
@utils.kwarg("min_args", 1)
@utils.kwarg("help", "Get someone's latest toot")
@utils.kwarg("usage", "@<user>@<instance>")
def fedi(self, event):
full_username = event["args_split"][0].lstrip("@")
username, _, instance = full_username.partition("@")
if not username or not instance:
raise utils.EventError("Please provide @<user>@<instance>")
webfinger = utils.http.request(WEBFINGER % instance,
headers=WEBFINGER_HEADERS,
get_params={"resource": "acct:%s" % full_username},
json=True)
if webfinger.data:
activity_url = None
for link in webfinger.data["links"]:
if link["type"] == ACTIVITY_TYPE:
activity_url = link["href"]
break
if not activity_url:
raise utils.EventError("Failed to find user activity feed")
activity = utils.http.request(activity_url,
headers=ACTIVITY_HEADERS, json=True)
preferred_username = activity.data["preferredUsername"]
outbox_url = activity.data["outbox"]
outbox = utils.http.request(outbox_url, headers=ACTIVITY_HEADERS,
json=True)
items = None
if "first" in outbox.data:
if type(outbox.data["first"]) == dict:
items = outbox.data["first"]["orderedItems"]
else:
first = utils.http.request(outbox.data["first"],
headers=ACTIVITY_HEADERS, json=True)
items = first.data["orderedItems"]
else:
items = outbox.data["orderedItems"]
if items:
first_item = items[0]
if first_item["type"] == "Announce":
retoot_url = first_item["object"]
retoot_instance = urllib.parse.urlparse(retoot_url).hostname
retoot = utils.http.request(retoot_url,
headers=ACTIVITY_HEADERS, json=True)
original_tooter_url = retoot.data["attributedTo"]
original_tooter = utils.http.request(original_tooter_url,
headers=ACTIVITY_HEADERS, json=True)
retooted_user = "@%s@%s" % (
original_tooter.data["preferredUsername"],
retoot_instance)
shorturl = self.exports.get_one("shorturl")(
event["server"], retoot_url)
retoot_content = utils.http.strip_html(
retoot.data["content"])
event["stdout"].write("%s (boost %s): %s - %s" % (
preferred_username, retooted_user, retoot_content,
shorturl))
elif first_item["type"] == "Create":
content = utils.http.strip_html(
first_item["object"]["content"])
url = first_item["object"]["id"]
shorturl = self.exports.get_one("shorturl")(
event["server"], url)
event["stdout"].write("%s: %s - %s" % (preferred_username,
content, shorturl))
else:
raise utils.EventError("User not found")
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