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form:FileOption: add file "accept" validation handling

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axolotle 2023-11-17 17:28:25 +01:00
parent 4dc9d35304
commit 2b75c8f036
1 changed files with 10 additions and 1 deletions
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11
src/utils/form.py
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@ -1272,7 +1272,7 @@ class FileOption(BaseInputOption):
type: Literal[OptionType.file] = OptionType.file
# `FilePath` for CLI (path must exists and must be a file)
# `bytes` for API (a base64 encoded file actually)
accept: Union[str, None] = "" # currently only used by the web-admin
accept: Union[list[str], None] = None # currently only used by the web-admin
default: Union[str, None]
_annotation = str # TODO could be Path at some point
_upload_dirs: set[str] = set()
@ -1291,6 +1291,9 @@ class FileOption(BaseInputOption):
def _get_field_attrs(self) -> dict[str, Any]:
attrs = super()._get_field_attrs()
if self.accept:
attrs["accept"] = self.accept # extra
attrs["bind"] = self.bind
return attrs
@ -1317,8 +1320,14 @@ class FileOption(BaseInputOption):
else:
content = b64decode(value)
accept_list = field.field_info.extra.get("accept")
mimetype = Magic(mime=True).from_buffer(content)
if accept_list and mimetype not in accept_list:
raise YunohostValidationError(
f"Unsupported image type : {mimetype}", raw=True
)
ext = mimetypes.guess_extension(mimetype)
return content, ext