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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use filemanager_thread::FileManager;
use hyper::header::{Charset, ContentLength, ContentType, Headers};
use hyper::header::{ContentDisposition, DispositionParam, DispositionType};
use ipc_channel::ipc;
use mime::{Attr, Mime};
use net_traits::NetworkError;
use net_traits::blob_url_store::parse_blob_url;
use net_traits::filemanager_thread::ReadFileProgress;
use servo_url::ServoUrl;
// TODO: Check on GET
// https://w3c.github.io/FileAPI/#requestResponseModel
/// https://fetch.spec.whatwg.org/#concept-basic-fetch (partial)
// TODO: make async.
pub fn load_blob_sync
(url: ServoUrl,
filemanager: FileManager)
-> Result<(Headers, Vec<u8>), NetworkError> {
let (id, origin) = match parse_blob_url(&url) {
Ok((id, origin)) => (id, origin),
Err(()) => {
let e = format!("Invalid blob URL format {:?}", url);
return Err(NetworkError::Internal(e));
}
};
let (sender, receiver) = ipc::channel().unwrap();
let check_url_validity = true;
filemanager.read_file(sender, id, check_url_validity, origin);
let blob_buf = match receiver.recv().unwrap() {
Ok(ReadFileProgress::Meta(blob_buf)) => blob_buf,
Ok(_) => {
return Err(NetworkError::Internal("Invalid filemanager reply".to_string()));
}
Err(e) => {
return Err(NetworkError::Internal(format!("{:?}", e)));
}
};
let content_type: Mime = blob_buf.type_string.parse().unwrap_or(mime!(Text / Plain));
let charset = content_type.get_param(Attr::Charset);
let mut headers = Headers::new();
if let Some(name) = blob_buf.filename {
let charset = charset.and_then(|c| c.as_str().parse().ok());
headers.set(ContentDisposition {
disposition: DispositionType::Inline,
parameters: vec![
DispositionParam::Filename(charset.unwrap_or(Charset::Us_Ascii),
None, name.as_bytes().to_vec())
]
});
}
// Basic fetch, Step 4.
headers.set(ContentLength(blob_buf.size as u64));
// Basic fetch, Step 5.
headers.set(ContentType(content_type.clone()));
let mut bytes = blob_buf.bytes;
loop {
match receiver.recv().unwrap() {
Ok(ReadFileProgress::Partial(ref mut new_bytes)) => {
bytes.append(new_bytes);
}
Ok(ReadFileProgress::EOF) => {
return Ok((headers, bytes));
}
Ok(_) => {
return Err(NetworkError::Internal("Invalid filemanager reply".to_string()));
}
Err(e) => {
return Err(NetworkError::Internal(format!("{:?}", e)));
}
}
}
}
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