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[refactor] environment for swhkd (#246)
* refactor: New Env for swhkd * Refactor Functions * Fix Spelling in environ * Fix spelling in daemon * Add Path Validations * Run formatting
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,141 @@ | ||
| use std::{ | ||
| env::VarError, | ||
| path::{Path, PathBuf}, | ||
| }; | ||
|
|
||
| pub struct Env { | ||
| pub pkexec_id: u32, | ||
| pub xdg_config_home: PathBuf, | ||
| pub xdg_runtime_socket: PathBuf, | ||
| pub xdg_runtime_dir: PathBuf, | ||
| } | ||
|
|
||
| #[derive(Debug)] | ||
| pub enum EnvError { | ||
| PkexecNotFound, | ||
| XdgConfigNotFound, | ||
| XdgRuntimeNotFound, | ||
| PathNotFound, | ||
| GenericError(String), | ||
| } | ||
|
|
||
| impl Env { | ||
| pub fn construct() -> Self { | ||
| let pkexec_id = match Self::get_env("PKEXEC_UID") { | ||
| Ok(val) => match val.parse::<u32>() { | ||
| Ok(val) => val, | ||
| Err(_) => { | ||
| log::error!("Failed to launch swhkd!!!"); | ||
| log::error!("Make sure to launch the binary with pkexec."); | ||
| std::process::exit(1); | ||
| } | ||
| }, | ||
| Err(_) => { | ||
| log::error!("Failed to launch swhkd!!!"); | ||
| log::error!("Make sure to launch the binary with pkexec."); | ||
| std::process::exit(1); | ||
| } | ||
| }; | ||
|
|
||
| let xdg_config_home = match Self::get_env("XDG_CONFIG_HOME") { | ||
| Ok(val) => match validate_path(&PathBuf::from(val)) { | ||
| Ok(val) => val, | ||
| Err(e) => match e { | ||
| EnvError::PathNotFound => { | ||
| log::warn!("XDG_CONFIG_HOME does not exist, using hardcoded /etc"); | ||
| PathBuf::from("/etc") | ||
| } | ||
| _ => { | ||
| eprintln!("Failed to get XDG_CONFIG_HOME: {:?}", e); | ||
| std::process::exit(1); | ||
| } | ||
| }, | ||
| }, | ||
| Err(e) => match e { | ||
| EnvError::XdgConfigNotFound => { | ||
| log::warn!("XDG_CONFIG_HOME not found, using hardcoded /etc"); | ||
| PathBuf::from("/etc") | ||
| } | ||
| _ => { | ||
| eprintln!("Failed to get XDG_CONFIG_HOME: {:?}", e); | ||
| std::process::exit(1); | ||
| } | ||
| }, | ||
| }; | ||
|
|
||
| let xdg_runtime_socket = match Self::get_env("XDG_RUNTIME_DIR") { | ||
| Ok(val) => match validate_path(&PathBuf::from(val).join("swhkd.sock")) { | ||
| Ok(val) => val, | ||
| Err(e) => match e { | ||
| EnvError::PathNotFound => { | ||
| log::warn!("XDG_RUNTIME_DIR does not exist, using hardcoded /run/user"); | ||
| PathBuf::from(format!("/run/user/{}", pkexec_id)) | ||
| } | ||
| _ => { | ||
| eprintln!("Failed to get XDG_RUNTIME_DIR: {:?}", e); | ||
| std::process::exit(1); | ||
| } | ||
| }, | ||
| }, | ||
| Err(e) => match e { | ||
| EnvError::XdgRuntimeNotFound => { | ||
| log::warn!("XDG_RUNTIME_DIR not found, using hardcoded /run/user"); | ||
| PathBuf::from(format!("/run/user/{}", pkexec_id)) | ||
| } | ||
| _ => { | ||
| eprintln!("Failed to get XDG_RUNTIME_DIR: {:?}", e); | ||
| std::process::exit(1); | ||
| } | ||
| }, | ||
| }; | ||
|
|
||
| let xdg_runtime_dir = match Self::get_env("XDG_RUNTIME_DIR") { | ||
| Ok(val) => PathBuf::from(val), | ||
| Err(e) => match e { | ||
| EnvError::XdgRuntimeNotFound => { | ||
| log::warn!("XDG_RUNTIME_DIR not found, using hardcoded /run/swhkd"); | ||
| PathBuf::from("/run/swhkd") | ||
| } | ||
| _ => { | ||
| eprintln!("Failed to get XDG_RUNTIME_DIR: {:?}", e); | ||
| std::process::exit(1); | ||
| } | ||
| }, | ||
| }; | ||
|
|
||
| Self { pkexec_id, xdg_config_home, xdg_runtime_dir, xdg_runtime_socket } | ||
| } | ||
|
|
||
| fn get_env(name: &str) -> Result<String, EnvError> { | ||
| match std::env::var(name) { | ||
| Ok(val) => Ok(val), | ||
| Err(e) => match e { | ||
| VarError::NotPresent => match name { | ||
| "PKEXEC_UID" => Err(EnvError::PkexecNotFound), | ||
| "XDG_CONFIG_HOME" => Err(EnvError::XdgConfigNotFound), | ||
| "XDG_RUNTIME_DIR" => Err(EnvError::XdgRuntimeNotFound), | ||
| _ => Err(EnvError::GenericError(e.to_string())), | ||
| }, | ||
| VarError::NotUnicode(_) => { | ||
| Err(EnvError::GenericError("Not a valid unicode".to_string())) | ||
| } | ||
| }, | ||
| } | ||
| } | ||
|
|
||
| pub fn fetch_xdg_config_path(&self) -> PathBuf { | ||
| PathBuf::from(&self.xdg_config_home).join("swhkd/swhkdrc") | ||
| } | ||
|
|
||
| pub fn fetch_xdg_runtime_socket_path(&self) -> PathBuf { | ||
| PathBuf::from(&self.xdg_runtime_dir).join("swhkd.sock") | ||
| } | ||
| } | ||
|
|
||
| fn validate_path(path: &Path) -> Result<PathBuf, EnvError> { | ||
| if path.exists() { | ||
| Ok(path.to_path_buf()) | ||
| } else { | ||
| Err(EnvError::PathNotFound) | ||
| } | ||
| } |
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