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|
use axum::{
extract::{Extension, Host, multipart::{Multipart, MultipartError}, Path},
response::{IntoResponse, Response}, headers::HeaderValue,
};
use crate::{micropub::{MicropubError, ErrorType}, tokenauth::User};
pub mod storage;
use storage::{MediaStore, MediaStoreError, Metadata, ErrorKind};
pub use storage::file::FileStore;
impl From<MultipartError> for MicropubError {
fn from(err: MultipartError) -> Self {
Self {
error: ErrorType::InvalidRequest,
error_description: format!("multipart/form-data error: {}", err)
}
}
}
impl From<MediaStoreError> for MicropubError {
fn from(err: MediaStoreError) -> Self {
Self {
error: ErrorType::InternalServerError,
error_description: format!("{}", err)
}
}
}
#[tracing::instrument(skip(blobstore))]
pub async fn upload<S: MediaStore>(
mut upload: Multipart,
Extension(blobstore): Extension<S>,
user: User
) -> Response {
if !user.check_scope("media") {
return MicropubError {
error: ErrorType::NotAuthorized,
error_description: "Interacting with the media storage requires the \"media\" scope.".to_owned()
}.into_response();
}
let host = user.me.host().unwrap().to_string() + &user.me.port().map(|i| format!(":{}", i)).unwrap_or_default();
let field = match upload.next_field().await {
Ok(Some(field)) => field,
Ok(None) => {
return MicropubError {
error: ErrorType::InvalidRequest,
error_description: "Send multipart/form-data with one field named file".to_owned()
}.into_response();
},
Err(err) => {
return MicropubError::from(err).into_response();
},
};
let metadata: Metadata = (&field).into();
match blobstore.write_streaming(&host, metadata, field).await {
Ok(filename) => IntoResponse::into_response((
axum::http::StatusCode::CREATED,
[
("Location", user.me.join(
&format!(".kittybox/media/uploads/{}", filename)
).unwrap().as_str())
]
)),
Err(err) => MicropubError::from(err).into_response()
}
}
#[tracing::instrument(skip(blobstore))]
pub async fn serve<S: MediaStore>(
Host(host): Host,
Path(path): Path<String>,
Extension(blobstore): Extension<S>
) -> Response {
use axum::http::StatusCode;
tracing::debug!("Searching for file...");
match blobstore.read_streaming(&host, path.as_str()).await {
Ok((metadata, stream)) => {
tracing::debug!("Metadata: {:?}", metadata);
let mut r = Response::builder();
{
let headers = r.headers_mut().unwrap();
headers.insert(
"Content-Type",
HeaderValue::from_str(&metadata.content_type).unwrap()
);
if let Some(length) = metadata.length {
headers.insert(
"Content-Length",
HeaderValue::from_str(&length.to_string()).unwrap()
);
}
}
r.body(axum::body::StreamBody::new(stream)).unwrap().into_response()
},
Err(err) => match err.kind() {
ErrorKind::NotFound => {
IntoResponse::into_response(StatusCode::NOT_FOUND)
},
_ => {
tracing::error!("{}", err);
IntoResponse::into_response(StatusCode::INTERNAL_SERVER_ERROR)
}
}
}
}
|
