mirror of
https://mau.dev/maunium/synapse.git
synced 2024-10-01 01:36:05 -04:00
66 lines
2.1 KiB
Python
66 lines
2.1 KiB
Python
# Copyright 2015 OpenMarket Ltd
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
from pydenticon import Generator
|
|
from twisted.web.resource import Resource
|
|
|
|
FOREGROUND = [
|
|
"rgb(45,79,255)",
|
|
"rgb(254,180,44)",
|
|
"rgb(226,121,234)",
|
|
"rgb(30,179,253)",
|
|
"rgb(232,77,65)",
|
|
"rgb(49,203,115)",
|
|
"rgb(141,69,170)"
|
|
]
|
|
|
|
BACKGROUND = "rgb(224,224,224)"
|
|
SIZE = 5
|
|
|
|
|
|
class IdenticonResource(Resource):
|
|
isLeaf = True
|
|
|
|
def __init__(self):
|
|
Resource.__init__(self)
|
|
self.generator = Generator(
|
|
SIZE, SIZE, foreground=FOREGROUND, background=BACKGROUND,
|
|
)
|
|
|
|
def generate_identicon(self, name, width, height):
|
|
v_padding = width % SIZE
|
|
h_padding = height % SIZE
|
|
top_padding = v_padding // 2
|
|
left_padding = h_padding // 2
|
|
bottom_padding = v_padding - top_padding
|
|
right_padding = h_padding - left_padding
|
|
width -= v_padding
|
|
height -= h_padding
|
|
padding = (top_padding, bottom_padding, left_padding, right_padding)
|
|
identicon = self.generator.generate(
|
|
name, width, height, padding=padding
|
|
)
|
|
return identicon
|
|
|
|
def render_GET(self, request):
|
|
name = "/".join(request.postpath)
|
|
width = int(request.args.get("width", [96])[0])
|
|
height = int(request.args.get("height", [96])[0])
|
|
identicon_bytes = self.generate_identicon(name, width, height)
|
|
request.setHeader(b"Content-Type", b"image/png")
|
|
request.setHeader(
|
|
b"Cache-Control", b"public,max-age=86400,s-maxage=86400"
|
|
)
|
|
return identicon_bytes
|