zulip/zerver/lib/upload/base.py

149 lines
4.1 KiB
Python

import os
from collections.abc import Callable, Iterator
from dataclasses import dataclass
from datetime import datetime
from typing import IO, Any, BinaryIO
import pyvips
from zerver.models import Realm, UserProfile
INLINE_MIME_TYPES = [
"application/pdf",
"audio/aac",
"audio/flac",
"audio/mp4",
"audio/mpeg",
"audio/wav",
"audio/webm",
"image/apng",
"image/avif",
"image/gif",
"image/jpeg",
"image/png",
"image/webp",
"video/mp4",
"video/webm",
# To avoid cross-site scripting attacks, DO NOT add types such
# as application/xhtml+xml, application/x-shockwave-flash,
# image/svg+xml, text/html, or text/xml.
]
@dataclass
class StreamingSourceWithSize:
size: int
source: pyvips.Source
class ZulipUploadBackend:
# Message attachment uploads
def get_public_upload_root_url(self) -> str:
raise NotImplementedError
def generate_message_upload_path(self, realm_id: str, uploaded_file_name: str) -> str:
raise NotImplementedError
def upload_message_attachment(
self,
path_id: str,
filename: str,
content_type: str,
file_data: bytes,
user_profile: UserProfile | None,
) -> None:
raise NotImplementedError
def save_attachment_contents(self, path_id: str, filehandle: BinaryIO) -> None:
raise NotImplementedError
def attachment_vips_source(self, path_id: str) -> StreamingSourceWithSize:
raise NotImplementedError
def delete_message_attachment(self, path_id: str) -> bool:
raise NotImplementedError
def delete_message_attachments(self, path_ids: list[str]) -> None:
for path_id in path_ids:
self.delete_message_attachment(path_id)
def all_message_attachments(
self, include_thumbnails: bool = False
) -> Iterator[tuple[str, datetime]]:
raise NotImplementedError
# Avatar image uploads
def get_avatar_url(self, hash_key: str, medium: bool = False) -> str:
raise NotImplementedError
def get_avatar_contents(self, file_path: str) -> tuple[bytes, str]:
raise NotImplementedError
def get_avatar_path(self, hash_key: str, medium: bool = False) -> str:
if medium:
return f"{hash_key}-medium.png"
else:
return f"{hash_key}.png"
def upload_single_avatar_image(
self,
file_path: str,
*,
user_profile: UserProfile,
image_data: bytes,
content_type: str | None,
future: bool = True,
) -> None:
raise NotImplementedError
def delete_avatar_image(self, path_id: str) -> None:
raise NotImplementedError
# Realm icon and logo uploads
def realm_avatar_and_logo_path(self, realm: Realm) -> str:
return os.path.join(str(realm.id), "realm")
def get_realm_icon_url(self, realm_id: int, version: int) -> str:
raise NotImplementedError
def upload_realm_icon_image(
self, icon_file: IO[bytes], user_profile: UserProfile, content_type: str
) -> None:
raise NotImplementedError
def get_realm_logo_url(self, realm_id: int, version: int, night: bool) -> str:
raise NotImplementedError
def upload_realm_logo_image(
self, logo_file: IO[bytes], user_profile: UserProfile, night: bool, content_type: str
) -> None:
raise NotImplementedError
# Realm emoji uploads
def get_emoji_url(self, emoji_file_name: str, realm_id: int, still: bool = False) -> str:
raise NotImplementedError
def upload_single_emoji_image(
self,
path: str,
content_type: str | None,
user_profile: UserProfile,
image_data: bytes,
) -> None:
raise NotImplementedError
# Export tarballs
def get_export_tarball_url(self, realm: Realm, export_path: str) -> str:
raise NotImplementedError
def upload_export_tarball(
self,
realm: Realm,
tarball_path: str,
percent_callback: Callable[[Any], None] | None = None,
) -> str:
raise NotImplementedError
def delete_export_tarball(self, export_path: str) -> str | None:
raise NotImplementedError