litecord/litecord/blueprints/icons.py

117 lines
3.6 KiB
Python

"""
Litecord
Copyright (C) 2018-2021 Luna Mendes and Litecord Contributors
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, version 3 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
from os.path import splitext
from quart import Blueprint, current_app as app, send_file, redirect
from litecord.embed.sanitizer import make_md_req_url
from litecord.embed.schemas import EmbedURL
bp = Blueprint("images", __name__)
async def send_icon(scope, key, icon_hash, **kwargs):
"""Send an icon."""
icon = await app.icons.generic_get(scope, key, icon_hash, **kwargs)
if icon is None:
return "", 404
return await send_file(icon.as_path)
def splitext_(filepath):
name, ext = splitext(filepath)
return name, ext.strip(".")
@bp.route("/emojis/<emoji_file>", methods=["GET"])
async def _get_raw_emoji(emoji_file):
emoji_id, ext = splitext_(emoji_file)
return await send_icon("emoji", emoji_id, None, ext=ext)
@bp.route("/icons/<int:guild_id>/<icon_file>", methods=["GET"])
async def _get_guild_icon(guild_id: int, icon_file: str):
icon_hash, ext = splitext_(icon_file)
return await send_icon("guild", guild_id, icon_hash, ext=ext)
@bp.route("/embed/avatars/<int:default_id>.png")
async def _get_default_user_avatar(default_id: int):
# TODO: how do we determine which assets to use for this?
# I don't think we can use discord assets.
pass
async def _handle_webhook_avatar(md_url_redir: str):
md_url = make_md_req_url("img", EmbedURL(md_url_redir))
return redirect(md_url)
@bp.route("/avatars/<int:user_id>/<avatar_file>")
async def _get_user_avatar(user_id, avatar_file):
avatar_hash, ext = splitext_(avatar_file)
# first, check if this is a webhook avatar to redir to
md_url_redir = await app.db.fetchval(
"""
SELECT md_url_redir
FROM webhook_avatars
WHERE webhook_id = $1 AND hash = $2
""",
user_id,
avatar_hash,
)
if md_url_redir:
return await _handle_webhook_avatar(md_url_redir)
return await send_icon("user", user_id, avatar_hash, ext=ext)
# @bp.route('/app-icons/<int:application_id>/<icon_hash>.<ext>')
async def get_app_icon(application_id, icon_hash, ext):
pass
@bp.route("/channel-icons/<int:channel_id>/<icon_file>", methods=["GET"])
async def _get_gdm_icon(channel_id: int, icon_file: str):
icon_hash, ext = splitext_(icon_file)
return await send_icon("channel-icons", channel_id, icon_hash, ext=ext)
@bp.route("/splashes/<int:guild_id>/<icon_file>", methods=["GET"])
async def _get_guild_splash(guild_id: int, icon_file: str):
icon_hash, ext = splitext_(icon_file)
return await send_icon("splash", guild_id, icon_hash, ext=ext)
@bp.route("/banners/<int:guild_id>/<icon_file>", methods=["GET"])
async def _get_guild_banner(guild_id: int, icon_file: str):
icon_hash, ext = splitext_(icon_file)
return await send_icon("banner", guild_id, icon_hash, ext=ext)
@bp.route("/discovery-splashes/<int:guild_id>/<icon_file>", methods=["GET"])
async def _get_discovery_splash(guild_id: int, icon_file: str):
icon_hash, ext = splitext_(icon_file)
return await send_icon("discovery_splash", guild_id, icon_hash, ext=ext)