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import urllib
import abc
import json
from .db import get_db
from flask import url_for, flash
def abridge(text,maxlen=20):
if len(text) > maxlen+3:
return text[:maxlen]+"..."
else:
return text
webhook_types = {}
def webhook_type(t):
def inner(cls):
webhook_types[t] = cls
return cls
return inner
class WebhookType(abc.ABC):
def __init__(self, url, wh_id):
self.url = url
self.wh_id = wh_id
@abc.abstractmethod
def on_new_thread(self,thread):
pass
@abc.abstractmethod
def on_new_post(self,post):
pass
def get_webhooks(forum_id):
db = get_db()
# todo inheritance (if needed)
webhooks = db.execute("select * from webhooks where webhooks.forum = ?;",(forum_id,)).fetchall()
for wh in webhooks:
wh_type = wh['type']
if wh_type not in webhook_types:
print(f"unknown webhook type {wh_type}")
continue
wh_url = wh['url']
wo = webhook_types[wh_type](wh_url, wh['id'])
yield wo
def do_webhooks_thread(forum_id,thread):
for wh in get_webhooks(forum_id):
try:
wh.on_new_thread(thread)
except Exception as e:
#raise e
flash(f"error executing webhook with id {wh.wh_id}")
def do_webhooks_post(forum_id,post):
for wh in get_webhooks(forum_id):
try:
wh.on_new_post(post)
except Exception as e:
#raise e
flash(f"error executing webhook with id {wh.wh_id}")
@webhook_type("fake")
class FakeWebhook(WebhookType):
def on_new_post(self, post):
print(f'fake wh {self.url} post {post["id"]}')
def on_new_thread(self, thread):
print(f'fake wh {self.url} thread {thread["id"]}')
@webhook_type("discord")
class DiscordWebhook(WebhookType):
def send(self,payload):
headers = {
"User-Agent":"apioforum (https://g.gh0.pw/apioforum, v0.0)",
"Content-Type":"application/json",
}
req = urllib.request.Request(
self.url,
json.dumps(payload).encode("utf-8"),
headers
)
# todo: read response and things
urllib.request.urlopen(req)
#try:
# res = urllib.request.urlopen(req)
#except urllib.error.HTTPError as e:
# print(f"error {e.code} {e.read()}")
#else:
# print(f"succ {res.read()}")
@staticmethod
def field(name,value):
return {"name":name,"value":value,"inline":True}
def on_new_thread(self,thread):
f = self.field
db = get_db()
forum = db.execute("select * from forums where id = ?",(thread['forum'],)).fetchone()
username = thread['creator']
userpage = url_for('user.view_user',username=username,_external=True)
forumpage = url_for('forum.view_forum',forum_id=forum['id'],_external=True)
post = db.execute("select * from posts where thread = ? order by id asc limit 1",(thread['id'],)).fetchone()
payload = {
"username":"apioforum",
"avatar_url":"https://d.gh0.pw/lib/exe/fetch.php?media=wiki:logo.png",
"embeds":[
{
"title":"new thread: "+thread['title'],
"description":abridge(post['content']),
"url": url_for('thread.view_thread',thread_id=thread['id'],_external=True),
"color": 0xff00ff,
"fields":[
f('author',f"[{username}]({userpage})"),
f('forum',f"[{forum['name']}]({forumpage})"),
],
"footer":{
"text":thread['created'].isoformat(' '),
},
},
],
}
self.send(payload)
def on_new_post(self,post):
from .thread import post_jump
f = self.field
db = get_db()
thread = db.execute("select * from threads where id = ?",(post['thread'],)).fetchone()
threadpage = url_for('thread.view_thread',thread_id=thread['id'],_external=True)
forum = db.execute("select * from forums where id = ?",(thread['forum'],)).fetchone()
forumpage = url_for('forum.view_forum',forum_id=forum['id'],_external=True)
username = post['author']
userpage = url_for('user.view_user',username=username,_external=True)
payload = {
"username":"apioforum",
"avatar_url":"https://d.gh0.pw/lib/exe/fetch.php?media=wiki:logo.png",
"embeds":[
{
"title":"re: "+thread['title'],
"description":abridge(post['content']),
"url": post_jump(post['id'],external=True),
"color": 0x00ffff,
"fields":[
f('author',f"[{username}]({userpage})"),
f('thread',f"[{thread['title']}]({threadpage})"),
f('forum',f"[{forum['name']}]({forumpage})"),
],
"footer":{
"text":post['created'].isoformat(' '),
},
},
],
}
self.send(payload)
@webhook_type("apionet")
class ApionetWebhook(WebhookType):
# this is generally quite awful
sockpath = "/srv/apiobot/bees.sock"
#sockpath = "/home/rebecca/programming/apiobot/bees.sock"
MAXMSGLEN = 420
# doesn't use url or anything
def send(self,payload):
# this is possibly terrible
import socket
s = socket.socket(socket.AF_UNIX,socket.SOCK_DGRAM)
s.sendto(payload.encode("utf-8"),self.sockpath)
s.close()
def append_url(self,rest,url):
ub = url.encode("utf-8")
max_rlen = self.MAXMSGLEN - len(ub) - 1
while len(rest.encode("utf-8")) > max_rlen:
# chop off characters until short enough
rest = rest[:-1]
return rest + " " + url
def on_new_thread(self,thread):
# copy paste from above. the great refactor will fix this all
db = get_db()
forum = db.execute("select * from forums where id = ?",(thread['forum'],)).fetchone()
username = thread['creator'][:30]
post = db.execute("select * from posts where thread = ? order by id asc limit 1",(thread['id'],)).fetchone()
url = url_for('thread.view_thread',thread_id=thread['id'],_external=True)
p = ""
if forum['id'] != 1:
p = f" in {forum['name']}"
payload = f"new thread{p}: \"{abridge(thread['title'],100)}\" - \"{abridge(post['content'],100)}\" (author: {username}) ->"
self.send(self.append_url(payload,url))
def on_new_post(self,post):
from .thread import post_jump
db = get_db()
thread = db.execute("select * from threads where id = ?",(post['thread'],)).fetchone()
forum = db.execute("select * from forums where id = ?",(thread['forum'],)).fetchone()
username = post['author'][:30]
url = post_jump(post['id'],external=True)
payload = f"re: \"{abridge(thread['title'],100)}\" - \"{abridge(post['content'],100)}\" (author: {username}) ->"
self.send(self.append_url(payload,url))
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