bitwarden_rs/src/util.rs

127 lines
2.8 KiB
Rust

///
/// Macros
///
#[macro_export]
macro_rules! err {
($err:expr, $err_desc:expr, $msg:expr) => {
err_json!(json!({
"error": $err,
"error_description": $err_desc,
"ErrorModel": {
"Message": $msg,
"ValidationErrors": null,
"Object": "error"
}
}))
};
($msg:expr) => { err!("default_error", "default_error_description", $msg) }
}
#[macro_export]
macro_rules! err_json {
($expr:expr) => {{
println!("ERROR: {}", $expr);
return Err($crate::rocket::response::status::BadRequest(Some($crate::rocket_contrib::Json($expr))));
}}
}
#[macro_export]
macro_rules! err_handler {
($expr:expr) => {{
println!("ERROR: {}", $expr);
return $crate::rocket::Outcome::Failure(($crate::rocket::http::Status::Unauthorized, $expr));
}}
}
///
/// File handling
///
use std::path::Path;
use std::io::Read;
use std::fs::{self, File};
pub fn file_exists(path: &str) -> bool {
Path::new(path).exists()
}
pub fn read_file(path: &str) -> Result<Vec<u8>, String> {
let mut file = File::open(Path::new(path))
.map_err(|e| format!("Error opening file: {}", e))?;
let mut contents: Vec<u8> = Vec::new();
file.read_to_end(&mut contents)
.map_err(|e| format!("Error reading file: {}", e))?;
Ok(contents)
}
pub fn delete_file(path: &str) -> bool {
let res = fs::remove_file(path).is_ok();
if let Some(parent) = Path::new(path).parent() {
// If the directory isn't empty, this returns an error, which we ignore
// We only want to delete the folder if it's empty
fs::remove_dir(parent).ok();
}
res
}
const UNITS: [&'static str; 6] = ["bytes", "KB", "MB", "GB", "TB", "PB"];
pub fn get_display_size(size: i32) -> String {
let mut size = size as f64;
let mut unit_counter = 0;
loop {
if size > 1024. {
size /= 1024.;
unit_counter += 1;
} else {
break;
}
};
// Round to two decimals
size = (size * 100.).round() / 100.;
format!("{} {}", size, UNITS[unit_counter])
}
///
/// String util methods
///
use std::str::FromStr;
pub fn upcase_first(s: &str) -> String {
let mut c = s.chars();
match c.next() {
None => String::new(),
Some(f) => f.to_uppercase().collect::<String>() + c.as_str(),
}
}
pub fn parse_option_string<S, T>(string: Option<S>) -> Option<T> where S: AsRef<str>, T: FromStr {
if let Some(Ok(value)) = string.map(|s| s.as_ref().parse::<T>()) {
Some(value)
} else {
None
}
}
///
/// Date util methods
///
use chrono::NaiveDateTime;
const DATETIME_FORMAT: &'static str = "%Y-%m-%dT%H:%M:%S%.6fZ";
pub fn format_date(date: &NaiveDateTime) -> String {
date.format(DATETIME_FORMAT).to_string()
}