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fb1279ec3a
Also remove now-dead code that rustc warns about. It turns out that we lost support for some of our custom URL schemes; I intend to reimplement them, but I believe this will be significantly easier to do once the legacy code is out of the way.
31 lines
1.2 KiB
Rust
31 lines
1.2 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 servo_url::ServoUrl;
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use std::fs::canonicalize;
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use url::percent_encoding::percent_decode;
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use util::resource_files::resources_dir_path;
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pub fn resolve_chrome_url(url: &ServoUrl) -> Result<ServoUrl, ()> {
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assert_eq!(url.scheme(), "chrome");
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if url.host_str() != Some("resources") {
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return Err(())
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}
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let resources = canonicalize(resources_dir_path().expect("Error finding resource folder"))
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.expect("Error canonicalizing path to the resources directory");
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let mut path = resources.clone();
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for segment in url.path_segments().unwrap() {
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match percent_decode(segment.as_bytes()).decode_utf8() {
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// Check ".." to prevent access to files outside of the resources directory.
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Ok(segment) => path.push(&*segment),
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_ => return Err(())
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}
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}
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match canonicalize(path) {
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Ok(ref path) if path.starts_with(&resources) && path.exists() => {
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Ok(ServoUrl::from_file_path(path).unwrap())
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}
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_ => Err(())
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}
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}
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