mirror of
https://github.com/jointakahe/takahe.git
synced 2024-11-25 16:51:00 +00:00
89 lines
2.8 KiB
Python
89 lines
2.8 KiB
Python
import hashlib
|
|
import sys
|
|
from urllib.parse import urljoin
|
|
|
|
from django.conf import settings
|
|
from django.contrib.staticfiles.storage import staticfiles_storage
|
|
|
|
|
|
class RelativeAbsoluteUrl:
|
|
"""
|
|
Represents a URL that can have both "relative" and "absolute" forms
|
|
for various use either locally or remotely.
|
|
"""
|
|
|
|
absolute: str
|
|
relative: str
|
|
|
|
def __init__(self, absolute: str, relative: str | None = None):
|
|
if "://" not in absolute:
|
|
raise ValueError(f"Absolute URL {absolute!r} is not absolute!")
|
|
self.absolute = absolute
|
|
self.relative = relative or absolute
|
|
|
|
|
|
class AutoAbsoluteUrl(RelativeAbsoluteUrl):
|
|
"""
|
|
Automatically makes the absolute variant by using either settings.MAIN_DOMAIN
|
|
or a passed identity's URI domain.
|
|
"""
|
|
|
|
def __init__(
|
|
self,
|
|
relative: str,
|
|
identity=None,
|
|
):
|
|
self.relative = relative
|
|
if identity:
|
|
absolute_prefix = f"https://{identity.domain.uri_domain}/"
|
|
else:
|
|
absolute_prefix = f"https://{settings.MAIN_DOMAIN}/"
|
|
self.absolute = urljoin(absolute_prefix, self.relative)
|
|
|
|
|
|
class ProxyAbsoluteUrl(AutoAbsoluteUrl):
|
|
"""
|
|
AutoAbsoluteUrl variant for proxy paths, that also attaches a remote URI hash
|
|
plus extension to the end if it can.
|
|
"""
|
|
|
|
def __init__(
|
|
self,
|
|
relative: str,
|
|
identity=None,
|
|
remote_url: str | None = None,
|
|
):
|
|
if remote_url:
|
|
# See if there is a file extension we can grab
|
|
extension = "bin"
|
|
remote_filename = remote_url.split("/")[-1]
|
|
if "." in remote_filename:
|
|
extension = remote_filename.split(".")[-1]
|
|
# When provided, attach a hash of the remote URL
|
|
# SHA1 chosen as it generally has the best performance in modern python, and security is not a concern
|
|
# Hash truncation is generally fine, as in the typical use case the hash is scoped to the identity PK.
|
|
relative += f"{hashlib.sha1(remote_url.encode('ascii')).hexdigest()[:10]}.{extension}"
|
|
super().__init__(relative, identity)
|
|
|
|
|
|
class StaticAbsoluteUrl(RelativeAbsoluteUrl):
|
|
"""
|
|
Creates static URLs given only the static-relative path
|
|
"""
|
|
|
|
def __init__(self, path: str):
|
|
try:
|
|
static_url = staticfiles_storage.url(path)
|
|
except ValueError:
|
|
# Suppress static issues during the first collectstatic
|
|
# Yes, I know it's a big hack! Pull requests welcome :)
|
|
if "collectstatic" in sys.argv:
|
|
super().__init__("https://example.com/")
|
|
return
|
|
raise
|
|
if "://" in static_url:
|
|
super().__init__(static_url)
|
|
else:
|
|
super().__init__(
|
|
urljoin(f"https://{settings.MAIN_DOMAIN}/", static_url), static_url
|
|
)
|