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58 lines
1.9 KiB
Rust
58 lines
1.9 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use filemanager_thread::FileOrigin;
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use std::str::FromStr;
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use url::Url;
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use uuid::Uuid;
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/// Errors returned to Blob URL Store request
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#[derive(Clone, Debug, Serialize, Deserialize)]
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pub enum BlobURLStoreError {
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/// Invalid File UUID
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InvalidFileID,
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/// Invalid URL origin
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InvalidOrigin,
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/// Invalid entry content
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InvalidEntry,
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/// External error, from like file system, I/O etc.
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External(String),
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}
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/// Standalone blob buffer object
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#[derive(Clone, Debug, Serialize, Deserialize)]
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pub struct BlobBuf {
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pub filename: Option<String>,
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/// MIME type string
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pub type_string: String,
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/// Size of content in bytes
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pub size: u64,
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/// Content of blob
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pub bytes: Vec<u8>,
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}
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/// Parse URL as Blob URL scheme's definition
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/// https://w3c.github.io/FileAPI/#DefinitionOfScheme
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pub fn parse_blob_url(url: &Url) -> Result<(Uuid, FileOrigin, Option<String>), ()> {
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let url_inner = try!(Url::parse(url.path()).map_err(|_| ()));
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let fragment = url_inner.fragment().map(|s| s.to_string());
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let mut segs = try!(url_inner.path_segments().ok_or(()));
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let id = try!(segs.nth(0).ok_or(()));
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let id = try!(Uuid::from_str(id).map_err(|_| ()));
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Ok((id, get_blob_origin(&url_inner), fragment))
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}
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/// Given an URL, returning the Origin that a Blob created under this
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/// URL should have.
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/// HACK(izgzhen): Not well-specified on spec, and it is a bit a hack
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/// both due to ambiguity of spec and that we have to serialization the
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/// Origin here.
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pub fn get_blob_origin(url: &Url) -> FileOrigin {
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if url.scheme() == "file" {
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// NOTE: by default this is "null" (Opaque), which is not ideal
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"file://".to_string()
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} else {
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url.origin().unicode_serialization()
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}
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}
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