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// Copyright 2019-2022 Tauri Programme within The Commons Conservancy
// SPDX-License-Identifier: Apache-2.0
// SPDX-License-Identifier: MIT
//! Types and functions related to file system path operations.
use std::{
env::temp_dir,
path::{Component, Path, PathBuf},
};
use crate::{Config, Env, PackageInfo};
use serde_repr::{Deserialize_repr, Serialize_repr};
// we have to wrap the BaseDirectory enum in a module for #[allow(deprecated)]
// to work, because the procedural macros on the enum prevent it from working directly
// TODO: remove this workaround in v2 along with deprecated variants
#[allow(deprecated)]
mod base_directory {
use super::*;
/// A base directory to be used in [`resolve_path`].
///
/// The base directory is the optional root of a file system operation.
/// If informed by the API call, all paths will be relative to the path of the given directory.
///
/// For more information, check the [`dirs_next` documentation](https://docs.rs/dirs_next/).
#[derive(Serialize_repr, Deserialize_repr, Clone, Copy, Debug)]
#[repr(u16)]
#[non_exhaustive]
pub enum BaseDirectory {
/// The Audio directory.
Audio = 1,
/// The Cache directory.
Cache,
/// The Config directory.
Config,
/// The Data directory.
Data,
/// The LocalData directory.
LocalData,
/// The Desktop directory.
Desktop,
/// The Document directory.
Document,
/// The Download directory.
Download,
/// The Executable directory.
Executable,
/// The Font directory.
Font,
/// The Home directory.
Home,
/// The Picture directory.
Picture,
/// The Public directory.
Public,
/// The Runtime directory.
Runtime,
/// The Template directory.
Template,
/// The Video directory.
Video,
/// The Resource directory.
Resource,
/// The default app config directory.
/// Resolves to [`BaseDirectory::Config`]`/{bundle_identifier}`.
#[deprecated(
since = "1.2.0",
note = "Will be removed in 2.0.0. Use `BaseDirectory::AppConfig` or BaseDirectory::AppData` instead."
)]
App,
/// The default app log directory.
/// Resolves to [`BaseDirectory::Home`]`/Library/Logs/{bundle_identifier}` on macOS
/// and [`BaseDirectory::Config`]`/{bundle_identifier}/logs` on linux and Windows.
#[deprecated(
since = "1.2.0",
note = "Will be removed in 2.0.0. Use `BaseDirectory::AppLog` instead."
)]
Log,
/// A temporary directory.
/// Resolves to [`temp_dir`].
Temp,
/// The default app config directory.
/// Resolves to [`BaseDirectory::Config`]`/{bundle_identifier}`.
AppConfig,
/// The default app data directory.
/// Resolves to [`BaseDirectory::Data`]`/{bundle_identifier}`.
AppData,
/// The default app local data directory.
/// Resolves to [`BaseDirectory::LocalData`]`/{bundle_identifier}`.
AppLocalData,
/// The default app cache directory.
/// Resolves to [`BaseDirectory::Cache`]`/{bundle_identifier}`.
AppCache,
/// The default app log directory.
/// Resolves to [`BaseDirectory::Home`]`/Library/Logs/{bundle_identifier}` on macOS
/// and [`BaseDirectory::Config`]`/{bundle_identifier}/logs` on linux and Windows.
AppLog,
}
}
pub use base_directory::BaseDirectory;
impl BaseDirectory {
/// Gets the variable that represents this [`BaseDirectory`] for string paths.
pub fn variable(self) -> &'static str {
match self {
Self::Audio => "$AUDIO",
Self::Cache => "$CACHE",
Self::Config => "$CONFIG",
Self::Data => "$DATA",
Self::LocalData => "$LOCALDATA",
Self::Desktop => "$DESKTOP",
Self::Document => "$DOCUMENT",
Self::Download => "$DOWNLOAD",
Self::Executable => "$EXE",
Self::Font => "$FONT",
Self::Home => "$HOME",
Self::Picture => "$PICTURE",
Self::Public => "$PUBLIC",
Self::Runtime => "$RUNTIME",
Self::Template => "$TEMPLATE",
Self::Video => "$VIDEO",
Self::Resource => "$RESOURCE",
#[allow(deprecated)]
Self::App => "$APP",
#[allow(deprecated)]
Self::Log => "$LOG",
Self::Temp => "$TEMP",
Self::AppConfig => "$APPCONFIG",
Self::AppData => "$APPDATA",
Self::AppLocalData => "$APPLOCALDATA",
Self::AppCache => "$APPCACHE",
Self::AppLog => "$APPLOG",
}
}
/// Gets the [`BaseDirectory`] associated with the given variable, or [`None`] if the variable doesn't match any.
pub fn from_variable(variable: &str) -> Option<Self> {
let res = match variable {
"$AUDIO" => Self::Audio,
"$CACHE" => Self::Cache,
"$CONFIG" => Self::Config,
"$DATA" => Self::Data,
"$LOCALDATA" => Self::LocalData,
"$DESKTOP" => Self::Desktop,
"$DOCUMENT" => Self::Document,
"$DOWNLOAD" => Self::Download,
"$EXE" => Self::Executable,
"$FONT" => Self::Font,
"$HOME" => Self::Home,
"$PICTURE" => Self::Picture,
"$PUBLIC" => Self::Public,
"$RUNTIME" => Self::Runtime,
"$TEMPLATE" => Self::Template,
"$VIDEO" => Self::Video,
"$RESOURCE" => Self::Resource,
#[allow(deprecated)]
"$APP" => Self::App,
#[allow(deprecated)]
"$LOG" => Self::Log,
"$TEMP" => Self::Temp,
"$APPCONFIG" => Self::AppConfig,
"$APPDATA" => Self::AppData,
"$APPLOCALDATA" => Self::AppLocalData,
"$APPCACHE" => Self::AppCache,
"$APPLOG" => Self::AppLog,
_ => return None,
};
Some(res)
}
}
/// Parse the given path, resolving a [`BaseDirectory`] variable if the path starts with one.
///
/// # Examples
///
/// ```rust,no_run
/// use tauri::Manager;
/// tauri::Builder::default()
/// .setup(|app| {
/// let path = tauri::api::path::parse(&app.config(), app.package_info(), &app.env(), "$HOME/.bashrc")?;
/// assert_eq!(path.to_str().unwrap(), "/home/${whoami}/.bashrc");
/// Ok(())
/// });
/// ```
pub fn parse<P: AsRef<Path>>(
config: &Config,
package_info: &PackageInfo,
env: &Env,
path: P,
) -> crate::api::Result<PathBuf> {
let mut p = PathBuf::new();
let mut components = path.as_ref().components();
match components.next() {
Some(Component::Normal(str)) => {
if let Some(base_directory) = BaseDirectory::from_variable(&str.to_string_lossy()) {
p.push(resolve_path(
config,
package_info,
env,
"",
Some(base_directory),
)?);
} else {
p.push(str);
}
}
Some(component) => p.push(component),
None => (),
}
for component in components {
if let Component::ParentDir = component {
continue;
}
p.push(component);
}
Ok(p)
}
/// Resolves the path with the optional base directory.
///
/// This is a low level API. If the application has been built,
/// prefer the [path resolver API](`crate::AppHandle#method.path_resolver`).
///
/// # Examples
///
/// ## Before initializing the application
///
/// ```rust,no_run
/// use tauri::{api::path::{BaseDirectory, resolve_path}, Env};
/// // on an actual app, remove the string argument
/// let context = tauri::generate_context!("test/fixture/src-tauri/tauri.conf.json");
/// let path = resolve_path(
/// context.config(),
/// context.package_info(),
/// &Env::default(),
/// "db/tauri.sqlite",
/// Some(BaseDirectory::AppData))
/// .expect("failed to resolve path");
/// assert_eq!(path.to_str().unwrap(), "/home/${whoami}/.config/com.tauri.app/db/tauri.sqlite");
///
/// tauri::Builder::default().run(context).expect("error while running tauri application");
/// ```
///
/// ## With an initialized app
/// ```rust,no_run
/// use tauri::{api::path::{BaseDirectory, resolve_path}, Manager};
/// tauri::Builder::default()
/// .setup(|app| {
/// let path = resolve_path(
/// &app.config(),
/// app.package_info(),
/// &app.env(),
/// "path/to/something",
/// Some(BaseDirectory::Config)
/// )?;
/// assert_eq!(path.to_str().unwrap(), "/home/${whoami}/.config/path/to/something");
/// Ok(())
/// });
/// ```
pub fn resolve_path<P: AsRef<Path>>(
config: &Config,
package_info: &PackageInfo,
env: &Env,
path: P,
dir: Option<BaseDirectory>,
) -> crate::api::Result<PathBuf> {
if let Some(base_dir) = dir {
let resolve_resource = matches!(base_dir, BaseDirectory::Resource);
let base_dir_path = match base_dir {
BaseDirectory::Audio => audio_dir(),
BaseDirectory::Cache => cache_dir(),
BaseDirectory::Config => config_dir(),
BaseDirectory::Data => data_dir(),
BaseDirectory::LocalData => local_data_dir(),
BaseDirectory::Desktop => desktop_dir(),
BaseDirectory::Document => document_dir(),
BaseDirectory::Download => download_dir(),
BaseDirectory::Executable => executable_dir(),
BaseDirectory::Font => font_dir(),
BaseDirectory::Home => home_dir(),
BaseDirectory::Picture => picture_dir(),
BaseDirectory::Public => public_dir(),
BaseDirectory::Runtime => runtime_dir(),
BaseDirectory::Template => template_dir(),
BaseDirectory::Video => video_dir(),
BaseDirectory::Resource => resource_dir(package_info, env),
#[allow(deprecated)]
BaseDirectory::App => app_config_dir(config),
#[allow(deprecated)]
BaseDirectory::Log => app_log_dir(config),
BaseDirectory::Temp => Some(temp_dir()),
BaseDirectory::AppConfig => app_config_dir(config),
BaseDirectory::AppData => app_data_dir(config),
BaseDirectory::AppLocalData => app_local_data_dir(config),
BaseDirectory::AppCache => app_cache_dir(config),
BaseDirectory::AppLog => app_log_dir(config),
};
if let Some(mut base_dir_path_value) = base_dir_path {
// use the same path resolution mechanism as the bundler's resource injection algorithm
if resolve_resource {
let mut resource_path = PathBuf::new();
for component in path.as_ref().components() {
match component {
Component::Prefix(_) => {}
Component::RootDir => resource_path.push("_root_"),
Component::CurDir => {}
Component::ParentDir => resource_path.push("_up_"),
Component::Normal(p) => resource_path.push(p),
}
}
base_dir_path_value.push(resource_path);
} else {
base_dir_path_value.push(path);
}
Ok(base_dir_path_value)
} else {
Err(crate::api::Error::Path(
"unable to determine base dir path".to_string(),
))
}
} else {
let mut dir_path = PathBuf::new();
dir_path.push(path);
Ok(dir_path)
}
}
/// Returns the path to the user's audio directory.
///
/// ## Platform-specific
///
/// - **Linux:** Resolves to [`xdg-user-dirs`](https://www.freedesktop.org/wiki/Software/xdg-user-dirs/)' `XDG_MUSIC_DIR`.
/// - **macOS:** Resolves to `$HOME/Music`.
/// - **Windows:** Resolves to `{FOLDERID_Music}`.
pub fn audio_dir() -> Option<PathBuf> {
dirs_next::audio_dir()
}
/// Returns the path to the user's cache directory.
///
/// ## Platform-specific
///
/// - **Linux:** Resolves to `$XDG_CACHE_HOME` or `$HOME/.cache`.
/// - **macOS:** Resolves to `$HOME/Library/Caches`.
/// - **Windows:** Resolves to `{FOLDERID_LocalAppData}`.
pub fn cache_dir() -> Option<PathBuf> {
dirs_next::cache_dir()
}
/// Returns the path to the user's config directory.
///
/// ## Platform-specific
///
/// - **Linux:** Resolves to `$XDG_CONFIG_HOME` or `$HOME/.config`.
/// - **macOS:** Resolves to `$HOME/Library/Application Support`.
/// - **Windows:** Resolves to `{FOLDERID_RoamingAppData}`.
pub fn config_dir() -> Option<PathBuf> {
dirs_next::config_dir()
}
/// Returns the path to the user's data directory.
///
/// ## Platform-specific
///
/// - **Linux:** Resolves to `$XDG_DATA_HOME` or `$HOME/.local/share`.
/// - **macOS:** Resolves to `$HOME/Library/Application Support`.
/// - **Windows:** Resolves to `{FOLDERID_RoamingAppData}`.
pub fn data_dir() -> Option<PathBuf> {
dirs_next::data_dir()
}
/// Returns the path to the user's local data directory.
///
/// ## Platform-specific
///
/// - **Linux:** Resolves to `$XDG_DATA_HOME` or `$HOME/.local/share`.
/// - **macOS:** Resolves to `$HOME/Library/Application Support`.
/// - **Windows:** Resolves to `{FOLDERID_LocalAppData}`.
pub fn local_data_dir() -> Option<PathBuf> {
dirs_next::data_local_dir()
}
/// Returns the path to the user's desktop directory.
///
/// ## Platform-specific
///
/// - **Linux:** Resolves to [`xdg-user-dirs`](https://www.freedesktop.org/wiki/Software/xdg-user-dirs/)' `XDG_DESKTOP_DIR`.
/// - **macOS:** Resolves to `$HOME/Desktop`.
/// - **Windows:** Resolves to `{FOLDERID_Desktop}`.
pub fn desktop_dir() -> Option<PathBuf> {
dirs_next::desktop_dir()
}
/// Returns the path to the user's document directory.
///
/// ## Platform-specific
///
/// - **Linux:** Resolves to [`xdg-user-dirs`](https://www.freedesktop.org/wiki/Software/xdg-user-dirs/)' `XDG_DOCUMENTS_DIR`.
/// - **macOS:** Resolves to `$HOME/Documents`.
/// - **Windows:** Resolves to `{FOLDERID_Documents}`.
pub fn document_dir() -> Option<PathBuf> {
dirs_next::document_dir()
}
/// Returns the path to the user's download directory.
///
/// ## Platform-specific
///
/// - **Linux:** Resolves to [`xdg-user-dirs`](https://www.freedesktop.org/wiki/Software/xdg-user-dirs/)' `XDG_DOWNLOAD_DIR`.
/// - **macOS:** Resolves to `$HOME/Downloads`.
/// - **Windows:** Resolves to `{FOLDERID_Downloads}`.
pub fn download_dir() -> Option<PathBuf> {
dirs_next::download_dir()
}
/// Returns the path to the user's executable directory.
///
/// ## Platform-specific
///
/// - **Linux:** Resolves to `$XDG_BIN_HOME/../bin` or `$XDG_DATA_HOME/../bin` or `$HOME/.local/bin`.
/// - **macOS:** Not supported.
/// - **Windows:** Not supported.
pub fn executable_dir() -> Option<PathBuf> {
dirs_next::executable_dir()
}
/// Returns the path to the user's font directory.
///
/// ## Platform-specific
///
/// - **Linux:** Resolves to `$XDG_DATA_HOME/fonts` or `$HOME/.local/share/fonts`.
/// - **macOS:** Resolves to `$HOME/Library/Fonts`.
/// - **Windows:** Not supported.
pub fn font_dir() -> Option<PathBuf> {
dirs_next::font_dir()
}
/// Returns the path to the user's home directory.
///
/// ## Platform-specific
///
/// - **Linux:** Resolves to `$HOME`.
/// - **macOS:** Resolves to `$HOME`.
/// - **Windows:** Resolves to `{FOLDERID_Profile}`.
pub fn home_dir() -> Option<PathBuf> {
dirs_next::home_dir()
}
/// Returns the path to the user's picture directory.
///
/// ## Platform-specific
///
/// - **Linux:** Resolves to [`xdg-user-dirs`](https://www.freedesktop.org/wiki/Software/xdg-user-dirs/)' `XDG_PICTURES_DIR`.
/// - **macOS:** Resolves to `$HOME/Pictures`.
/// - **Windows:** Resolves to `{FOLDERID_Pictures}`.
pub fn picture_dir() -> Option<PathBuf> {
dirs_next::picture_dir()
}
/// Returns the path to the user's public directory.
///
/// ## Platform-specific
///
/// - **Linux:** Resolves to [`xdg-user-dirs`](https://www.freedesktop.org/wiki/Software/xdg-user-dirs/)' `XDG_PUBLICSHARE_DIR`.
/// - **macOS:** Resolves to `$HOME/Public`.
/// - **Windows:** Resolves to `{FOLDERID_Public}`.
pub fn public_dir() -> Option<PathBuf> {
dirs_next::public_dir()
}
/// Returns the path to the user's runtime directory.
///
/// ## Platform-specific
///
/// - **Linux:** Resolves to `$XDG_RUNTIME_DIR`.
/// - **macOS:** Not supported.
/// - **Windows:** Not supported.
pub fn runtime_dir() -> Option<PathBuf> {
dirs_next::runtime_dir()
}
/// Returns the path to the user's template directory.
///
/// ## Platform-specific
///
/// - **Linux:** Resolves to [`xdg-user-dirs`](https://www.freedesktop.org/wiki/Software/xdg-user-dirs/)' `XDG_TEMPLATES_DIR`.
/// - **macOS:** Not supported.
/// - **Windows:** Resolves to `{FOLDERID_Templates}`.
pub fn template_dir() -> Option<PathBuf> {
dirs_next::template_dir()
}
/// Returns the path to the user's video dir
///
/// ## Platform-specific
///
/// - **Linux:** Resolves to [`xdg-user-dirs`](https://www.freedesktop.org/wiki/Software/xdg-user-dirs/)' `XDG_VIDEOS_DIR`.
/// - **macOS:** Resolves to `$HOME/Movies`.
/// - **Windows:** Resolves to `{FOLDERID_Videos}`.
pub fn video_dir() -> Option<PathBuf> {
dirs_next::video_dir()
}
/// Returns the path to the resource directory of this app.
///
/// See [`PathResolver::resource_dir`](crate::PathResolver#method.resource_dir) for a more convenient helper function.
pub fn resource_dir(package_info: &PackageInfo, env: &Env) -> Option<PathBuf> {
crate::utils::platform::resource_dir(package_info, env).ok()
}
/// Returns the path to the suggested directory for your app's config files.
///
/// Resolves to [`config_dir`]`/${bundle_identifier}`.
///
/// See [`PathResolver::app_config_dir`](crate::PathResolver#method.app_config_dir) for a more convenient helper function.
pub fn app_config_dir(config: &Config) -> Option<PathBuf> {
dirs_next::config_dir().map(|dir| dir.join(&config.tauri.bundle.identifier))
}
/// Returns the path to the suggested directory for your app's data files.
///
/// Resolves to [`data_dir`]`/${bundle_identifier}`.
///
/// See [`PathResolver::app_data_dir`](crate::PathResolver#method.app_data_dir) for a more convenient helper function.
pub fn app_data_dir(config: &Config) -> Option<PathBuf> {
dirs_next::data_dir().map(|dir| dir.join(&config.tauri.bundle.identifier))
}
/// Returns the path to the suggested directory for your app's local data files.
///
/// Resolves to [`local_data_dir`]`/${bundle_identifier}`.
///
/// See [`PathResolver::app_local_data_dir`](crate::PathResolver#method.app_local_data_dir) for a more convenient helper function.
pub fn app_local_data_dir(config: &Config) -> Option<PathBuf> {
dirs_next::data_local_dir().map(|dir| dir.join(&config.tauri.bundle.identifier))
}
/// Returns the path to the suggested directory for your app's cache files.
///
/// Resolves to [`cache_dir`]`/${bundle_identifier}`.
///
/// See [`PathResolver::app_cache_dir`](crate::PathResolver#method.app_cache_dir) for a more convenient helper function.
pub fn app_cache_dir(config: &Config) -> Option<PathBuf> {
dirs_next::cache_dir().map(|dir| dir.join(&config.tauri.bundle.identifier))
}
/// Returns the path to the suggested directory for your app's log files.
///
/// ## Platform-specific
///
/// - **Linux:** Resolves to [`config_dir`]`/${bundle_identifier}/logs`.
/// - **macOS:** Resolves to [`home_dir`]`/Library/Logs/${bundle_identifier}`
/// - **Windows:** Resolves to [`config_dir`]`/${bundle_identifier}/logs`.
///
/// See [`PathResolver::app_log_dir`](crate::PathResolver#method.app_log_dir) for a more convenient helper function.
pub fn app_log_dir(config: &Config) -> Option<PathBuf> {
#[cfg(target_os = "macos")]
let path = dirs_next::home_dir().map(|dir| {
dir
.join("Library/Logs")
.join(&config.tauri.bundle.identifier)
});
#[cfg(not(target_os = "macos"))]
let path =
dirs_next::config_dir().map(|dir| dir.join(&config.tauri.bundle.identifier).join("logs"));
path
}
/// Returns the path to the suggested directory for your app's config files.
///
/// Resolves to [`config_dir`]`/${bundle_identifier}`.
///
/// See [`PathResolver::app_config_dir`](crate::PathResolver#method.app_config_dir) for a more convenient helper function.
#[deprecated(
since = "1.2.0",
note = "Will be removed in 2.0.0. Use `app_config_dir` or `app_data_dir` instead."
)]
pub fn app_dir(config: &Config) -> Option<PathBuf> {
app_config_dir(config)
}
/// Returns the path to the suggested directory for your app's log files.
///
/// ## Platform-specific
///
/// - **Linux:** Resolves to [`config_dir`]`/${bundle_identifier}`.
/// - **macOS:** Resolves to [`home_dir`]`/Library/Logs/${bundle_identifier}`
/// - **Windows:** Resolves to [`config_dir`]`/${bundle_identifier}`.
///
/// See [`PathResolver::app_log_dir`](crate::PathResolver#method.app_log_dir) for a more convenient helper function.
#[deprecated(
since = "1.2.0",
note = "Will be removed in 2.0.0. Use `app_log_dir` instead."
)]
pub fn log_dir(config: &Config) -> Option<PathBuf> {
app_log_dir(config)
}