xdg-2.5.2/.cargo_vcs_info.json0000644000000001360000000000100116240ustar { "git": { "sha1": "66378cb76e1c7b948597dba7bdb081302169c53d" }, "path_in_vcs": "" }xdg-2.5.2/.clippy.toml000064400000000000000000000000201046102023000126570ustar 00000000000000msrv = "1.36.0" xdg-2.5.2/.github/workflows/ci.yml000064400000000000000000000014201046102023000151240ustar 00000000000000name: CI on: [push, pull_request] env: minrust: 1.36.0 jobs: Lints: runs-on: ubuntu-latest steps: - uses: actions/checkout@v3 - uses: dtolnay/rust-toolchain@stable with: components: clippy, rustfmt - run: cargo fmt --check - run: cargo clippy -- -D warnings if: always() Test: runs-on: ubuntu-latest steps: - uses: actions/checkout@v3 - uses: dtolnay/rust-toolchain@stable - run: cargo check --features serde - run: cargo test MSRV: runs-on: ubuntu-latest steps: - uses: actions/checkout@v3 - name: Install ${{ env.minrust }} toolchain uses: dtolnay/rust-toolchain@master with: toolchain: ${{ env.minrust }} - run: cargo test xdg-2.5.2/.github/workflows/docs.yml000064400000000000000000000014751046102023000154730ustar 00000000000000name: Documentation on: push: branches: - main jobs: build: runs-on: ubuntu-latest steps: - uses: actions/checkout@v3 - uses: dtolnay/rust-toolchain@nightly - name: Build docs run: cargo doc --no-deps --all-features - name: Prepare docs run: | mkdir -p _site echo '' > _site/index.html mv target/doc/* _site - uses: actions/upload-pages-artifact@v1 deploy: needs: build permissions: pages: write id-token: write environment: name: github-pages url: ${{ steps.deployment.outputs.page_url }} runs-on: ubuntu-latest steps: - name: Deploy to GitHub Pages id: deployment uses: actions/deploy-pages@v1 xdg-2.5.2/.gitignore000064400000000000000000000000251046102023000124010ustar 00000000000000/target/ /Cargo.lock xdg-2.5.2/Cargo.toml0000644000000020740000000000100076250ustar # THIS FILE IS AUTOMATICALLY GENERATED BY CARGO # # When uploading crates to the registry Cargo will automatically # "normalize" Cargo.toml files for maximal compatibility # with all versions of Cargo and also rewrite `path` dependencies # to registry (e.g., crates.io) dependencies. # # If you are reading this file be aware that the original Cargo.toml # will likely look very different (and much more reasonable). # See Cargo.toml.orig for the original contents. [package] edition = "2018" name = "xdg" version = "2.5.2" authors = [ "Ben Longbons ", "whitequark ", ] description = "A library for storing and retrieving files according to XDG Base Directory specification" homepage = "https://github.com/whitequark/rust-xdg" documentation = "https://docs.rs/xdg/" readme = "README.md" keywords = [ "linux", "configuration", ] categories = ["filesystem"] license = "Apache-2.0 OR MIT" repository = "https://github.com/whitequark/rust-xdg" [dependencies.serde] version = "1.0" features = ["derive"] optional = true xdg-2.5.2/Cargo.toml.orig000064400000000000000000000011451046102023000133040ustar 00000000000000[package] name = "xdg" version = "2.5.2" description = "A library for storing and retrieving files according to XDG Base Directory specification" homepage = "https://github.com/whitequark/rust-xdg" repository = "https://github.com/whitequark/rust-xdg" documentation = "https://docs.rs/xdg/" readme = "README.md" edition = "2018" categories = ["filesystem"] keywords = ["linux", "configuration"] license = "Apache-2.0 OR MIT" authors = [ "Ben Longbons ", "whitequark " ] [dependencies] serde = { version = "1.0", features = ["derive"], optional = true } xdg-2.5.2/LICENSE-APACHE000064400000000000000000000251371046102023000123500ustar 00000000000000 Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. 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See the License for the specific language governing permissions and limitations under the License. xdg-2.5.2/LICENSE-MIT000064400000000000000000000020571046102023000120540ustar 00000000000000Copyright (c) 2014 The Rust Project Developers Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. xdg-2.5.2/README.md000064400000000000000000000012211046102023000116670ustar 00000000000000rust-xdg ======== rust-xdg is a library that makes it easy to follow the X Desktop Group specifications. Currently, only [XDG Base Directory][basedir] specification is implemented. [basedir]: http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html Installation ------------ Add the following to `Cargo.toml`: ```toml [dependencies] xdg = "^2.1" ``` Examples -------- See [documentation](https://whitequark.github.io/rust-xdg/xdg/). License ------- rust-xdg is distributed under the terms of both the MIT license and the Apache License (Version 2.0). See [LICENSE-APACHE](LICENSE-APACHE) and [LICENSE-MIT](LICENSE-MIT) for details. xdg-2.5.2/src/base_directories.rs000064400000000000000000001273141046102023000150670ustar 00000000000000use std::collections::HashSet; use std::ffi::OsString; use std::os::unix::fs::PermissionsExt; use std::path::{Path, PathBuf}; use std::{env, error, fmt, fs, io}; #[cfg(feature = "serde")] use serde::{Deserialize, Serialize}; use self::ErrorKind::*; /// BaseDirectories allows to look up paths to configuration, data, /// cache and runtime files in well-known locations according to /// the [X Desktop Group Base Directory specification][xdg-basedir]. /// /// [xdg-basedir]: http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html /// /// The Base Directory specification defines five kinds of files: /// /// * **Configuration files** store the application's settings and /// are often modified during runtime; /// * **Data files** store supplementary data, such as graphic assets, /// precomputed tables, documentation, or architecture-independent /// source code; /// * **Cache files** store non-essential, transient data that provides /// a runtime speedup; /// * **State files** store logs, history, recently used files and application /// state (window size, open files, unsaved changes, …); /// * **Runtime files** include filesystem objects such are sockets or /// named pipes that are used for communication internal to the application. /// Runtime files must not be accessible to anyone except current user. /// /// # Examples /// /// To configure paths for application `myapp`: /// /// ``` /// let xdg_dirs = xdg::BaseDirectories::with_prefix("myapp").unwrap(); /// ``` /// /// To store configuration: /// /// ``` /// # use std::fs::File; /// # use std::io::{Error, Write}; /// # fn main() -> Result<(), Error> { /// # let xdg_dirs = xdg::BaseDirectories::with_prefix("myapp").unwrap(); /// let config_path = xdg_dirs /// .place_config_file("config.ini") /// .expect("cannot create configuration directory"); /// let mut config_file = File::create(config_path)?; /// write!(&mut config_file, "configured = 1")?; /// # Ok(()) /// # } /// ``` /// /// The `config.ini` file will appear in the proper location for desktop /// configuration files, most likely `~/.config/myapp/config.ini`. /// The leading directories will be automatically created. /// /// To retrieve supplementary data: /// /// ```no_run /// # use std::fs::File; /// # use std::io::{Error, Read, Write}; /// # fn main() -> Result<(), Error> { /// # let xdg_dirs = xdg::BaseDirectories::with_prefix("myapp").unwrap(); /// let logo_path = xdg_dirs /// .find_data_file("logo.png") /// .expect("application data not present"); /// let mut logo_file = File::open(logo_path)?; /// let mut logo = Vec::new(); /// logo_file.read_to_end(&mut logo)?; /// # Ok(()) /// # } /// ``` /// /// The `logo.png` will be searched in the proper locations for /// supplementary data files, most likely `~/.local/share/myapp/logo.png`, /// then `/usr/local/share/myapp/logo.png` and `/usr/share/myapp/logo.png`. #[derive(Debug, Clone)] #[cfg_attr(feature = "serde", derive(Serialize, Deserialize))] pub struct BaseDirectories { shared_prefix: PathBuf, user_prefix: PathBuf, data_home: PathBuf, config_home: PathBuf, cache_home: PathBuf, state_home: PathBuf, data_dirs: Vec, config_dirs: Vec, runtime_dir: Option, } pub struct Error { kind: ErrorKind, } impl Error { fn new(kind: ErrorKind) -> Error { Error { kind } } } impl fmt::Debug for Error { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { self.kind.fmt(f) } } impl error::Error for Error { fn description(&self) -> &str { match self.kind { HomeMissing => "$HOME must be set", XdgRuntimeDirInaccessible(_, _) => { "$XDG_RUNTIME_DIR must be accessible by the current user" } XdgRuntimeDirInsecure(_, _) => "$XDG_RUNTIME_DIR must be secure: have permissions 0700", XdgRuntimeDirMissing => "$XDG_RUNTIME_DIR is not set", } } fn cause(&self) -> Option<&dyn error::Error> { match self.kind { XdgRuntimeDirInaccessible(_, ref e) => Some(e), _ => None, } } } impl fmt::Display for Error { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { match self.kind { HomeMissing => write!(f, "$HOME must be set"), XdgRuntimeDirInaccessible(ref dir, ref error) => { write!( f, "$XDG_RUNTIME_DIR (`{}`) must be accessible \ by the current user (error: {})", dir.display(), error ) } XdgRuntimeDirInsecure(ref dir, permissions) => { write!( f, "$XDG_RUNTIME_DIR (`{}`) must be secure: must have \ permissions 0o700, got {}", dir.display(), permissions ) } XdgRuntimeDirMissing => { write!(f, "$XDG_RUNTIME_DIR must be set") } } } } impl From for io::Error { fn from(error: Error) -> io::Error { match error.kind { HomeMissing | XdgRuntimeDirMissing => io::Error::new(io::ErrorKind::NotFound, error), _ => io::Error::new(io::ErrorKind::Other, error), } } } #[derive(Copy, Clone)] struct Permissions(u32); impl fmt::Debug for Permissions { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { let Permissions(p) = *self; write!(f, "{:#05o}", p) } } impl fmt::Display for Permissions { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { fmt::Debug::fmt(self, f) } } #[derive(Debug)] enum ErrorKind { HomeMissing, XdgRuntimeDirInaccessible(PathBuf, io::Error), XdgRuntimeDirInsecure(PathBuf, Permissions), XdgRuntimeDirMissing, } impl BaseDirectories { /// Reads the process environment, determines the XDG base directories, /// and returns a value that can be used for lookup. /// The following environment variables are examined: /// /// * `HOME`; if not set: use the same fallback as `std::env::home_dir()`; /// if still not available: return an error. /// * `XDG_DATA_HOME`; if not set: assumed to be `$HOME/.local/share`. /// * `XDG_CONFIG_HOME`; if not set: assumed to be `$HOME/.config`. /// * `XDG_CACHE_HOME`; if not set: assumed to be `$HOME/.cache`. /// * `XDG_STATE_HOME`; if not set: assumed to be `$HOME/.local/state`. /// * `XDG_DATA_DIRS`; if not set: assumed to be `/usr/local/share:/usr/share`. /// * `XDG_CONFIG_DIRS`; if not set: assumed to be `/etc/xdg`. /// * `XDG_RUNTIME_DIR`; if not accessible or permissions are not `0700`: /// record as inaccessible (can be queried with /// [has_runtime_directory](method.has_runtime_directory)). /// /// As per specification, if an environment variable contains a relative path, /// the behavior is the same as if it was not set. pub fn new() -> Result { BaseDirectories::with_env("", "", &|name| env::var_os(name)) } /// Same as [`new()`](#method.new), but `prefix` is implicitly prepended to /// every path that is looked up. pub fn with_prefix>(prefix: P) -> Result { BaseDirectories::with_env(prefix, "", &|name| env::var_os(name)) } /// Same as [`with_prefix()`](#method.with_prefix), /// with `profile` also implicitly prepended to every path that is looked up, /// but only for user-specific directories. /// /// This allows each user to have mutliple "profiles" with different user-specific data. /// /// For example: /// /// ``` /// # extern crate xdg; /// # use xdg::BaseDirectories; /// let dirs = BaseDirectories::with_profile("program-name", "profile-name").unwrap(); /// dirs.find_data_file("bar.jpg"); /// dirs.find_config_file("foo.conf"); /// ``` /// /// will find `/usr/share/program-name/bar.jpg` (without `profile-name`) /// and `~/.config/program-name/profile-name/foo.conf`. pub fn with_profile(prefix: P1, profile: P2) -> Result where P1: AsRef, P2: AsRef, { BaseDirectories::with_env(prefix, profile, &|name| env::var_os(name)) } fn with_env( prefix: P1, profile: P2, env_var: &T, ) -> Result where P1: AsRef, P2: AsRef, T: Fn(&str) -> Option, { BaseDirectories::with_env_impl(prefix.as_ref(), profile.as_ref(), env_var) } fn with_env_impl( prefix: &Path, profile: &Path, env_var: &T, ) -> Result where T: Fn(&str) -> Option, { fn abspath(path: OsString) -> Option { let path = PathBuf::from(path); if path.is_absolute() { Some(path) } else { None } } fn abspaths(paths: OsString) -> Option> { let paths = env::split_paths(&paths) .map(PathBuf::from) .filter(|path| path.is_absolute()) .collect::>(); if paths.is_empty() { None } else { Some(paths) } } // This crate only supports Unix, and the behavior of `std::env::home_dir()` is only // problematic on Windows. #[allow(deprecated)] let home = std::env::home_dir().ok_or(Error::new(HomeMissing))?; let data_home = env_var("XDG_DATA_HOME") .and_then(abspath) .unwrap_or(home.join(".local/share")); let config_home = env_var("XDG_CONFIG_HOME") .and_then(abspath) .unwrap_or(home.join(".config")); let cache_home = env_var("XDG_CACHE_HOME") .and_then(abspath) .unwrap_or(home.join(".cache")); let state_home = env_var("XDG_STATE_HOME") .and_then(abspath) .unwrap_or(home.join(".local/state")); let data_dirs = env_var("XDG_DATA_DIRS").and_then(abspaths).unwrap_or(vec![ PathBuf::from("/usr/local/share"), PathBuf::from("/usr/share"), ]); let config_dirs = env_var("XDG_CONFIG_DIRS") .and_then(abspaths) .unwrap_or(vec![PathBuf::from("/etc/xdg")]); let runtime_dir = env_var("XDG_RUNTIME_DIR").and_then(abspath); // optional let prefix = PathBuf::from(prefix); Ok(BaseDirectories { user_prefix: prefix.join(profile), shared_prefix: prefix, data_home, config_home, cache_home, state_home, data_dirs, config_dirs, runtime_dir, }) } /// Returns the user-specific runtime directory (set by `XDG_RUNTIME_DIR`). pub fn get_runtime_directory(&self) -> Result<&PathBuf, Error> { if let Some(ref runtime_dir) = self.runtime_dir { // If XDG_RUNTIME_DIR is in the environment but not secure, // do not allow recovery. fs::read_dir(runtime_dir) .map_err(|e| Error::new(XdgRuntimeDirInaccessible(runtime_dir.clone(), e)))?; let permissions = fs::metadata(runtime_dir) .map_err(|e| Error::new(XdgRuntimeDirInaccessible(runtime_dir.clone(), e)))? .permissions() .mode(); if permissions & 0o077 != 0 { Err(Error::new(XdgRuntimeDirInsecure( runtime_dir.clone(), Permissions(permissions), ))) } else { Ok(runtime_dir) } } else { Err(Error::new(XdgRuntimeDirMissing)) } } /// Returns `true` if `XDG_RUNTIME_DIR` is available, `false` otherwise. pub fn has_runtime_directory(&self) -> bool { self.get_runtime_directory().is_ok() } /// Like [`place_config_file()`](#method.place_config_file), but does /// not create any directories. pub fn get_config_file>(&self, path: P) -> PathBuf { self.config_home.join(self.user_prefix.join(path)) } /// Like [`place_data_file()`](#method.place_data_file), but does /// not create any directories. pub fn get_data_file>(&self, path: P) -> PathBuf { self.data_home.join(self.user_prefix.join(path)) } /// Like [`place_cache_file()`](#method.place_cache_file), but does /// not create any directories. pub fn get_cache_file>(&self, path: P) -> PathBuf { self.cache_home.join(self.user_prefix.join(path)) } /// Like [`place_state_file()`](#method.place_state_file), but does /// not create any directories. pub fn get_state_file>(&self, path: P) -> PathBuf { self.state_home.join(self.user_prefix.join(path)) } /// Like [`place_runtime_file()`](#method.place_runtime_file), but does /// not create any directories. /// If `XDG_RUNTIME_DIR` is not available, returns an error. pub fn get_runtime_file>(&self, path: P) -> io::Result { let runtime_dir = self.get_runtime_directory()?; Ok(runtime_dir.join(self.user_prefix.join(path))) } /// Given a relative path `path`, returns an absolute path in /// `XDG_CONFIG_HOME` where a configuration file may be stored. /// Leading directories in the returned path are pre-created; /// if that is not possible, an error is returned. pub fn place_config_file>(&self, path: P) -> io::Result { write_file(&self.config_home, &self.user_prefix.join(path)) } /// Like [`place_config_file()`](#method.place_config_file), but for /// a data file in `XDG_DATA_HOME`. pub fn place_data_file>(&self, path: P) -> io::Result { write_file(&self.data_home, &self.user_prefix.join(path)) } /// Like [`place_config_file()`](#method.place_config_file), but for /// a cache file in `XDG_CACHE_HOME`. pub fn place_cache_file>(&self, path: P) -> io::Result { write_file(&self.cache_home, &self.user_prefix.join(path)) } /// Like [`place_config_file()`](#method.place_config_file), but for /// an application state file in `XDG_STATE_HOME`. pub fn place_state_file>(&self, path: P) -> io::Result { write_file(&self.state_home, &self.user_prefix.join(path)) } /// Like [`place_config_file()`](#method.place_config_file), but for /// a runtime file in `XDG_RUNTIME_DIR`. /// If `XDG_RUNTIME_DIR` is not available, returns an error. pub fn place_runtime_file>(&self, path: P) -> io::Result { write_file(self.get_runtime_directory()?, &self.user_prefix.join(path)) } /// Given a relative path `path`, returns an absolute path to an existing /// configuration file, or `None`. Searches `XDG_CONFIG_HOME` and then /// `XDG_CONFIG_DIRS`. pub fn find_config_file>(&self, path: P) -> Option { read_file( &self.config_home, &self.config_dirs, &self.user_prefix, &self.shared_prefix, path.as_ref(), ) } /// Given a relative path `path`, returns an iterator yielding absolute /// paths to existing configuration files, in `XDG_CONFIG_DIRS` and /// `XDG_CONFIG_HOME`. Paths are produced in order from lowest priority /// to highest. pub fn find_config_files>(&self, path: P) -> FileFindIterator { FileFindIterator::new( &self.config_home, &self.config_dirs, &self.user_prefix, &self.shared_prefix, path.as_ref(), ) } /// Given a relative path `path`, returns an absolute path to an existing /// data file, or `None`. Searches `XDG_DATA_HOME` and then /// `XDG_DATA_DIRS`. pub fn find_data_file>(&self, path: P) -> Option { read_file( &self.data_home, &self.data_dirs, &self.user_prefix, &self.shared_prefix, path.as_ref(), ) } /// Given a relative path `path`, returns an iterator yielding absolute /// paths to existing data files, in `XDG_DATA_DIRS` and /// `XDG_DATA_HOME`. Paths are produced in order from lowest priority /// to highest. pub fn find_data_files>(&self, path: P) -> FileFindIterator { FileFindIterator::new( &self.data_home, &self.data_dirs, &self.user_prefix, &self.shared_prefix, path.as_ref(), ) } /// Given a relative path `path`, returns an absolute path to an existing /// cache file, or `None`. Searches `XDG_CACHE_HOME`. pub fn find_cache_file>(&self, path: P) -> Option { read_file( &self.cache_home, &Vec::new(), &self.user_prefix, &self.shared_prefix, path.as_ref(), ) } /// Given a relative path `path`, returns an absolute path to an existing /// application state file, or `None`. Searches `XDG_STATE_HOME`. pub fn find_state_file>(&self, path: P) -> Option { read_file( &self.state_home, &Vec::new(), &self.user_prefix, &self.shared_prefix, path.as_ref(), ) } /// Given a relative path `path`, returns an absolute path to an existing /// runtime file, or `None`. Searches `XDG_RUNTIME_DIR`. /// If `XDG_RUNTIME_DIR` is not available, returns `None`. pub fn find_runtime_file>(&self, path: P) -> Option { if let Ok(runtime_dir) = self.get_runtime_directory() { read_file( runtime_dir, &Vec::new(), &self.user_prefix, &self.shared_prefix, path.as_ref(), ) } else { None } } /// Given a relative path `path`, returns an absolute path to a configuration /// directory in `XDG_CONFIG_HOME`. The directory and all directories /// leading to it are created if they did not exist; /// if that is not possible, an error is returned. pub fn create_config_directory>(&self, path: P) -> io::Result { create_directory(&self.config_home, &self.user_prefix.join(path)) } /// Like [`create_config_directory()`](#method.create_config_directory), /// but for a data directory in `XDG_DATA_HOME`. pub fn create_data_directory>(&self, path: P) -> io::Result { create_directory(&self.data_home, &self.user_prefix.join(path)) } /// Like [`create_config_directory()`](#method.create_config_directory), /// but for a cache directory in `XDG_CACHE_HOME`. pub fn create_cache_directory>(&self, path: P) -> io::Result { create_directory(&self.cache_home, &self.user_prefix.join(path)) } /// Like [`create_config_directory()`](#method.create_config_directory), /// but for an application state directory in `XDG_STATE_HOME`. pub fn create_state_directory>(&self, path: P) -> io::Result { create_directory(&self.state_home, &self.user_prefix.join(path)) } /// Like [`create_config_directory()`](#method.create_config_directory), /// but for a runtime directory in `XDG_RUNTIME_DIR`. /// If `XDG_RUNTIME_DIR` is not available, returns an error. pub fn create_runtime_directory>(&self, path: P) -> io::Result { create_directory(self.get_runtime_directory()?, &self.user_prefix.join(path)) } /// Given a relative path `path`, list absolute paths to all files /// in directories with path `path` in `XDG_CONFIG_HOME` and /// `XDG_CONFIG_DIRS`. pub fn list_config_files>(&self, path: P) -> Vec { list_files( &self.config_home, &self.config_dirs, &self.user_prefix, &self.shared_prefix, path.as_ref(), ) } /// Like [`list_config_files`](#method.list_config_files), but /// only the first occurence of every distinct filename is returned. pub fn list_config_files_once>(&self, path: P) -> Vec { list_files_once( &self.config_home, &self.config_dirs, &self.user_prefix, &self.shared_prefix, path.as_ref(), ) } /// Given a relative path `path`, lists absolute paths to all files /// in directories with path `path` in `XDG_DATA_HOME` and /// `XDG_DATA_DIRS`. pub fn list_data_files>(&self, path: P) -> Vec { list_files( &self.data_home, &self.data_dirs, &self.user_prefix, &self.shared_prefix, path.as_ref(), ) } /// Like [`list_data_files`](#method.list_data_files), but /// only the first occurence of every distinct filename is returned. pub fn list_data_files_once>(&self, path: P) -> Vec { list_files_once( &self.data_home, &self.data_dirs, &self.user_prefix, &self.shared_prefix, path.as_ref(), ) } /// Given a relative path `path`, lists absolute paths to all files /// in directories with path `path` in `XDG_CACHE_HOME`. pub fn list_cache_files>(&self, path: P) -> Vec { list_files( &self.cache_home, &Vec::new(), &self.user_prefix, &self.shared_prefix, path.as_ref(), ) } /// Given a relative path `path`, lists absolute paths to all files /// in directories with path `path` in `XDG_STATE_HOME`. pub fn list_state_files>(&self, path: P) -> Vec { list_files( &self.state_home, &Vec::new(), &self.user_prefix, &self.shared_prefix, path.as_ref(), ) } /// Given a relative path `path`, lists absolute paths to all files /// in directories with path `path` in `XDG_RUNTIME_DIR`. /// If `XDG_RUNTIME_DIR` is not available, returns an empty `Vec`. pub fn list_runtime_files>(&self, path: P) -> Vec { if let Ok(runtime_dir) = self.get_runtime_directory() { list_files( runtime_dir, &Vec::new(), &self.user_prefix, &self.shared_prefix, path.as_ref(), ) } else { Vec::new() } } /// Returns the user-specific data directory (set by `XDG_DATA_HOME`). pub fn get_data_home(&self) -> PathBuf { self.data_home.join(&self.user_prefix) } /// Returns the user-specific configuration directory (set by /// `XDG_CONFIG_HOME`). pub fn get_config_home(&self) -> PathBuf { self.config_home.join(&self.user_prefix) } /// Returns the user-specific directory for non-essential (cached) data /// (set by `XDG_CACHE_HOME`). pub fn get_cache_home(&self) -> PathBuf { self.cache_home.join(&self.user_prefix) } /// Returns the user-specific directory for application state data /// (set by `XDG_STATE_HOME`). pub fn get_state_home(&self) -> PathBuf { self.state_home.join(&self.user_prefix) } /// Returns a preference ordered (preferred to less preferred) list of /// supplementary data directories, ordered by preference (set by /// `XDG_DATA_DIRS`). pub fn get_data_dirs(&self) -> Vec { self.data_dirs .iter() .map(|p| p.join(&self.shared_prefix)) .collect() } /// Returns a preference ordered (preferred to less preferred) list of /// supplementary configuration directories (set by `XDG_CONFIG_DIRS`). pub fn get_config_dirs(&self) -> Vec { self.config_dirs .iter() .map(|p| p.join(&self.shared_prefix)) .collect() } } fn write_file(home: &Path, path: &Path) -> io::Result { match path.parent() { Some(parent) => fs::create_dir_all(home.join(parent))?, None => fs::create_dir_all(home)?, } Ok(home.join(path)) } fn create_directory(home: &Path, path: &Path) -> io::Result { let full_path = home.join(path); fs::create_dir_all(&full_path)?; Ok(full_path) } fn path_exists(path: &Path) -> bool { fs::metadata(path).is_ok() } fn read_file( home: &Path, dirs: &[PathBuf], user_prefix: &Path, shared_prefix: &Path, path: &Path, ) -> Option { let full_path = home.join(user_prefix).join(path); if path_exists(&full_path) { return Some(full_path); } for dir in dirs.iter() { let full_path = dir.join(shared_prefix).join(path); if path_exists(&full_path) { return Some(full_path); } } None } use std::vec::IntoIter as VecIter; pub struct FileFindIterator { search_dirs: VecIter, relpath: PathBuf, } impl FileFindIterator { fn new( home: &Path, dirs: &[PathBuf], user_prefix: &Path, shared_prefix: &Path, path: &Path, ) -> FileFindIterator { let mut search_dirs = Vec::new(); for dir in dirs.iter().rev() { search_dirs.push(dir.join(shared_prefix)); } search_dirs.push(home.join(user_prefix)); FileFindIterator { search_dirs: search_dirs.into_iter(), relpath: path.to_path_buf(), } } } impl Iterator for FileFindIterator { type Item = PathBuf; fn next(&mut self) -> Option { loop { let dir = self.search_dirs.next()?; let candidate = dir.join(&self.relpath); if path_exists(&candidate) { return Some(candidate); } } } } impl DoubleEndedIterator for FileFindIterator { fn next_back(&mut self) -> Option { loop { let dir = self.search_dirs.next_back()?; let candidate = dir.join(&self.relpath); if path_exists(&candidate) { return Some(candidate); } } } } fn list_files( home: &Path, dirs: &[PathBuf], user_prefix: &Path, shared_prefix: &Path, path: &Path, ) -> Vec { fn read_dir(dir: &Path, into: &mut Vec) { if let Ok(entries) = fs::read_dir(dir) { into.extend( entries .filter_map(|entry| entry.ok()) .map(|entry| entry.path()), ) } } let mut files = Vec::new(); read_dir(&home.join(user_prefix).join(path), &mut files); for dir in dirs { read_dir(&dir.join(shared_prefix).join(path), &mut files); } files } fn list_files_once( home: &Path, dirs: &[PathBuf], user_prefix: &Path, shared_prefix: &Path, path: &Path, ) -> Vec { let mut seen = HashSet::new(); list_files(home, dirs, user_prefix, shared_prefix, path) .into_iter() .filter(|path| match path.file_name() { None => false, Some(filename) => { if seen.contains(filename) { false } else { seen.insert(filename.to_owned()); true } } }) .collect::>() } #[cfg(test)] mod test { use super::*; const TARGET_TMPDIR: Option<&'static str> = option_env!("CARGO_TARGET_TMPDIR"); const TARGET_DIR: Option<&'static str> = option_env!("CARGO_TARGET_DIR"); fn get_test_dir() -> PathBuf { match TARGET_TMPDIR { Some(dir) => PathBuf::from(dir), None => match TARGET_DIR { Some(dir) => PathBuf::from(dir), None => env::current_dir().unwrap(), }, } } fn path_exists + ?Sized>(path: &P) -> bool { super::path_exists(path.as_ref()) } fn path_is_dir>(path: &P) -> bool { fn inner(path: &Path) -> bool { fs::metadata(path).map(|m| m.is_dir()).unwrap_or(false) } inner(path.as_ref()) } fn make_absolute>(path: P) -> PathBuf { get_test_dir().join(path.as_ref()) } fn iter_after(mut iter: I, mut prefix: J) -> Option where I: Iterator + Clone, J: Iterator, A: PartialEq, { loop { let mut iter_next = iter.clone(); match (iter_next.next(), prefix.next()) { (Some(x), Some(y)) => { if x != y { return None; } } (Some(_), None) => return Some(iter), (None, None) => return Some(iter), (None, Some(_)) => return None, } iter = iter_next; } } fn make_relative>(path: P, reference: P) -> PathBuf { iter_after(path.as_ref().components(), reference.as_ref().components()) .unwrap() .as_path() .to_owned() } fn make_env(vars: Vec<(&'static str, String)>) -> Box Option> { return Box::new(move |name| { for &(key, ref value) in vars.iter() { if key == name { return Some(OsString::from(value)); } } None }); } #[test] fn test_files_exists() { assert!(path_exists("test_files")); assert!( fs::metadata("test_files/runtime-bad") .unwrap() .permissions() .mode() & 0o077 != 0 ); } #[test] fn test_bad_environment() { let xd = BaseDirectories::with_env( "", "", &*make_env(vec![ ("HOME", "test_files/user".to_string()), ("XDG_DATA_HOME", "test_files/user/data".to_string()), ("XDG_CONFIG_HOME", "test_files/user/config".to_string()), ("XDG_CACHE_HOME", "test_files/user/cache".to_string()), ("XDG_DATA_DIRS", "test_files/user/data".to_string()), ("XDG_CONFIG_DIRS", "test_files/user/config".to_string()), ("XDG_RUNTIME_DIR", "test_files/runtime-bad".to_string()), ]), ) .unwrap(); assert_eq!(xd.find_data_file("everywhere"), None); assert_eq!(xd.find_config_file("everywhere"), None); assert_eq!(xd.find_cache_file("everywhere"), None); } #[test] fn test_good_environment() { let cwd = env::current_dir().unwrap().to_string_lossy().into_owned(); let xd = BaseDirectories::with_env("", "", &*make_env(vec![ ("HOME", format!("{}/test_files/user", cwd)), ("XDG_DATA_HOME", format!("{}/test_files/user/data", cwd)), ("XDG_CONFIG_HOME", format!("{}/test_files/user/config", cwd)), ("XDG_CACHE_HOME", format!("{}/test_files/user/cache", cwd)), ("XDG_DATA_DIRS", format!("{}/test_files/system0/data:{}/test_files/system1/data:{}/test_files/system2/data:{}/test_files/system3/data", cwd, cwd, cwd, cwd)), ("XDG_CONFIG_DIRS", format!("{}/test_files/system0/config:{}/test_files/system1/config:{}/test_files/system2/config:{}/test_files/system3/config", cwd, cwd, cwd, cwd)), // ("XDG_RUNTIME_DIR", format!("{}/test_files/runtime-bad", cwd)), ])).unwrap(); assert!(xd.find_data_file("everywhere") != None); assert!(xd.find_config_file("everywhere") != None); assert!(xd.find_cache_file("everywhere") != None); let mut config_files = xd.find_config_files("everywhere"); assert_eq!( config_files.next(), Some(PathBuf::from(format!( "{}/test_files/system2/config/everywhere", cwd ))) ); assert_eq!( config_files.next(), Some(PathBuf::from(format!( "{}/test_files/system1/config/everywhere", cwd ))) ); assert_eq!( config_files.next(), Some(PathBuf::from(format!( "{}/test_files/user/config/everywhere", cwd ))) ); assert_eq!(config_files.next(), None); let mut data_files = xd.find_data_files("everywhere"); assert_eq!( data_files.next(), Some(PathBuf::from(format!( "{}/test_files/system2/data/everywhere", cwd ))) ); assert_eq!( data_files.next(), Some(PathBuf::from(format!( "{}/test_files/system1/data/everywhere", cwd ))) ); assert_eq!( data_files.next(), Some(PathBuf::from(format!( "{}/test_files/user/data/everywhere", cwd ))) ); assert_eq!(data_files.next(), None); } #[test] fn test_runtime_bad() { let cwd = env::current_dir().unwrap().to_string_lossy().into_owned(); let xd = BaseDirectories::with_env( "", "", &*make_env(vec![ ("HOME", format!("{}/test_files/user", cwd)), ("XDG_RUNTIME_DIR", format!("{}/test_files/runtime-bad", cwd)), ]), ) .unwrap(); assert!(xd.has_runtime_directory() == false); } #[test] fn test_runtime_good() { use std::fs::File; let test_runtime_dir = make_absolute(&"test_files/runtime-good"); fs::create_dir_all(&test_runtime_dir).unwrap(); let mut perms = fs::metadata(&test_runtime_dir).unwrap().permissions(); perms.set_mode(0o700); fs::set_permissions(&test_runtime_dir, perms).unwrap(); let test_dir = get_test_dir().to_string_lossy().into_owned(); let xd = BaseDirectories::with_env( "", "", &*make_env(vec![ ("HOME", format!("{}/test_files/user", test_dir)), ( "XDG_RUNTIME_DIR", format!("{}/test_files/runtime-good", test_dir), ), ]), ) .unwrap(); xd.create_runtime_directory("foo").unwrap(); assert!(path_is_dir(&format!( "{}/test_files/runtime-good/foo", test_dir ))); let w = xd.place_runtime_file("bar/baz").unwrap(); assert!(path_is_dir(&format!( "{}/test_files/runtime-good/bar", test_dir ))); assert!(!path_exists(&format!( "{}/test_files/runtime-good/bar/baz", test_dir ))); File::create(&w).unwrap(); assert!(path_exists(&format!( "{}/test_files/runtime-good/bar/baz", test_dir ))); assert!(xd.find_runtime_file("bar/baz") == Some(w.clone())); File::open(&w).unwrap(); fs::remove_file(&w).unwrap(); let root = xd.list_runtime_files("."); let mut root = root .into_iter() .map(|p| make_relative(&p, &get_test_dir())) .collect::>(); root.sort(); assert_eq!( root, vec![ PathBuf::from("test_files/runtime-good/bar"), PathBuf::from("test_files/runtime-good/foo") ] ); assert!(xd.list_runtime_files("bar").is_empty()); assert!(xd.find_runtime_file("foo/qux").is_none()); assert!(xd.find_runtime_file("qux/foo").is_none()); assert!(!path_exists(&format!( "{}/test_files/runtime-good/qux", test_dir ))); } #[test] fn test_lists() { let cwd = env::current_dir().unwrap().to_string_lossy().into_owned(); let xd = BaseDirectories::with_env("", "", &*make_env(vec![ ("HOME", format!("{}/test_files/user", cwd)), ("XDG_DATA_HOME", format!("{}/test_files/user/data", cwd)), ("XDG_CONFIG_HOME", format!("{}/test_files/user/config", cwd)), ("XDG_CACHE_HOME", format!("{}/test_files/user/cache", cwd)), ("XDG_DATA_DIRS", format!("{}/test_files/system0/data:{}/test_files/system1/data:{}/test_files/system2/data:{}/test_files/system3/data", cwd, cwd, cwd, cwd)), ("XDG_CONFIG_DIRS", format!("{}/test_files/system0/config:{}/test_files/system1/config:{}/test_files/system2/config:{}/test_files/system3/config", cwd, cwd, cwd, cwd)), ])).unwrap(); let files = xd.list_config_files("."); let mut files = files .into_iter() .map(|p| make_relative(&p, &env::current_dir().unwrap())) .collect::>(); files.sort(); assert_eq!( files, [ "test_files/system1/config/both_system_config.file", "test_files/system1/config/everywhere", "test_files/system1/config/myapp", "test_files/system1/config/system1_config.file", "test_files/system2/config/both_system_config.file", "test_files/system2/config/everywhere", "test_files/system2/config/system2_config.file", "test_files/user/config/everywhere", "test_files/user/config/myapp", "test_files/user/config/user_config.file", ] .iter() .map(PathBuf::from) .collect::>() ); let files = xd.list_config_files_once("."); let mut files = files .into_iter() .map(|p| make_relative(&p, &env::current_dir().unwrap())) .collect::>(); files.sort(); assert_eq!( files, [ "test_files/system1/config/both_system_config.file", "test_files/system1/config/system1_config.file", "test_files/system2/config/system2_config.file", "test_files/user/config/everywhere", "test_files/user/config/myapp", "test_files/user/config/user_config.file", ] .iter() .map(PathBuf::from) .collect::>() ); } #[test] fn test_get_file() { let test_dir = get_test_dir().to_string_lossy().into_owned(); let xd = BaseDirectories::with_env( "", "", &*make_env(vec![ ("HOME", format!("{}/test_files/user", test_dir)), ( "XDG_DATA_HOME", format!("{}/test_files/user/data", test_dir), ), ( "XDG_CONFIG_HOME", format!("{}/test_files/user/config", test_dir), ), ( "XDG_CACHE_HOME", format!("{}/test_files/user/cache", test_dir), ), ( "XDG_RUNTIME_DIR", format!("{}/test_files/user/runtime", test_dir), ), ]), ) .unwrap(); let path = format!("{}/test_files/user/runtime/", test_dir); fs::create_dir_all(&path).unwrap(); let metadata = fs::metadata(&path).expect("Could not read metadata for runtime directory"); let mut perms = metadata.permissions(); perms.set_mode(0o700); fs::set_permissions(&path, perms).expect("Could not set permissions for runtime directory"); let file = xd.get_config_file("myapp/user_config.file"); assert_eq!( file, PathBuf::from(&format!( "{}/test_files/user/config/myapp/user_config.file", test_dir )) ); let file = xd.get_data_file("user_data.file"); assert_eq!( file, PathBuf::from(&format!("{}/test_files/user/data/user_data.file", test_dir)) ); let file = xd.get_cache_file("user_cache.file"); assert_eq!( file, PathBuf::from(&format!( "{}/test_files/user/cache/user_cache.file", test_dir )) ); let file = xd.get_runtime_file("user_runtime.file").unwrap(); assert_eq!( file, PathBuf::from(&format!( "{}/test_files/user/runtime/user_runtime.file", test_dir )) ); } #[test] fn test_prefix() { let cwd = env::current_dir().unwrap().to_string_lossy().into_owned(); let xd = BaseDirectories::with_env( "myapp", "", &*make_env(vec![ ("HOME", format!("{}/test_files/user", cwd)), ("XDG_CACHE_HOME", format!("{}/test_files/user/cache", cwd)), ]), ) .unwrap(); assert_eq!( xd.get_cache_file("cache.db"), PathBuf::from(&format!("{}/test_files/user/cache/myapp/cache.db", cwd)) ); assert_eq!( xd.place_cache_file("cache.db").unwrap(), PathBuf::from(&format!("{}/test_files/user/cache/myapp/cache.db", cwd)) ); } #[test] fn test_profile() { let cwd = env::current_dir().unwrap().to_string_lossy().into_owned(); let xd = BaseDirectories::with_env( "myapp", "default_profile", &*make_env(vec![ ("HOME", format!("{}/test_files/user", cwd)), ("XDG_CONFIG_HOME", format!("{}/test_files/user/config", cwd)), ( "XDG_CONFIG_DIRS", format!("{}/test_files/system1/config", cwd), ), ]), ) .unwrap(); assert_eq!( xd.find_config_file("system1_config.file").unwrap(), // Does *not* include default_profile PathBuf::from(&format!( "{}/test_files/system1/config/myapp/system1_config.file", cwd )) ); assert_eq!( xd.find_config_file("user_config.file").unwrap(), // Includes default_profile PathBuf::from(&format!( "{}/test_files/user/config/myapp/default_profile/user_config.file", cwd )) ); } /// Ensure that entries in XDG_CONFIG_DIRS can be replaced with symlinks. #[test] fn test_symlinks() { let cwd = env::current_dir().unwrap().to_string_lossy().into_owned(); let symlinks_dir = format!("{}/test_files/symlinks", cwd); let config_dir = format!("{}/config", symlinks_dir); let myapp_dir = format!("{}/myapp", config_dir); assert!(path_exists(&myapp_dir)); assert!(path_exists(&config_dir)); assert!(path_exists(&symlinks_dir)); let xd = BaseDirectories::with_env( "myapp", "", &*make_env(vec![ ("HOME", symlinks_dir), ("XDG_CONFIG_HOME", config_dir), ]), ) .unwrap(); assert_eq!( xd.find_config_file("user_config.file").unwrap(), PathBuf::from(&format!("{}/user_config.file", myapp_dir)) ); } } xdg-2.5.2/src/lib.rs000064400000000000000000000002531046102023000123170ustar 00000000000000#![cfg(any(unix, target_os = "redox"))] mod base_directories; pub use crate::base_directories::{ BaseDirectories, Error as BaseDirectoriesError, FileFindIterator, }; xdg-2.5.2/test_files/runtime-bad/everywhere000064400000000000000000000000001046102023000170620ustar 00000000000000xdg-2.5.2/test_files/runtime-bad/runtime.file000064400000000000000000000000001046102023000172760ustar 00000000000000xdg-2.5.2/test_files/symlinks/config/myapp/default_profile/user_config.file000064400000000000000000000000001046102023000253170ustar 00000000000000xdg-2.5.2/test_files/symlinks/config/myapp/user_config.file000064400000000000000000000000001046102023000221530ustar 00000000000000xdg-2.5.2/test_files/system1/config/both_system_config.file000064400000000000000000000000001046102023000221430ustar 00000000000000xdg-2.5.2/test_files/system1/config/everywhere000064400000000000000000000000001046102023000175250ustar 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