253 lines
9.0 KiB
Rust
253 lines
9.0 KiB
Rust
//! ## Serializer
|
|
//!
|
|
//! `serializer` is the module which provides the serializer/deserializer for configuration
|
|
|
|
/**
|
|
* MIT License
|
|
*
|
|
* termscp - Copyright (c) 2021 Christian Visintin
|
|
*
|
|
* 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.
|
|
*/
|
|
use super::{SerializerError, SerializerErrorKind, UserConfig};
|
|
|
|
use std::io::{Read, Write};
|
|
|
|
pub struct ConfigSerializer;
|
|
|
|
impl ConfigSerializer {
|
|
/// ### serialize
|
|
///
|
|
/// Serialize `UserConfig` into TOML and write content to writable
|
|
pub fn serialize(
|
|
&self,
|
|
mut writable: Box<dyn Write>,
|
|
cfg: &UserConfig,
|
|
) -> Result<(), SerializerError> {
|
|
// Serialize content
|
|
let data: String = match toml::ser::to_string(cfg) {
|
|
Ok(dt) => dt,
|
|
Err(err) => {
|
|
return Err(SerializerError::new_ex(
|
|
SerializerErrorKind::SerializationError,
|
|
err.to_string(),
|
|
))
|
|
}
|
|
};
|
|
// Write file
|
|
match writable.write_all(data.as_bytes()) {
|
|
Ok(_) => Ok(()),
|
|
Err(err) => Err(SerializerError::new_ex(
|
|
SerializerErrorKind::IoError,
|
|
err.to_string(),
|
|
)),
|
|
}
|
|
}
|
|
|
|
/// ### deserialize
|
|
///
|
|
/// Read data from readable and deserialize its content as TOML
|
|
pub fn deserialize(&self, mut readable: Box<dyn Read>) -> Result<UserConfig, SerializerError> {
|
|
// Read file content
|
|
let mut data: String = String::new();
|
|
if let Err(err) = readable.read_to_string(&mut data) {
|
|
return Err(SerializerError::new_ex(
|
|
SerializerErrorKind::IoError,
|
|
err.to_string(),
|
|
));
|
|
}
|
|
// Deserialize
|
|
match toml::de::from_str(data.as_str()) {
|
|
Ok(hosts) => Ok(hosts),
|
|
Err(err) => Err(SerializerError::new_ex(
|
|
SerializerErrorKind::SyntaxError,
|
|
err.to_string(),
|
|
)),
|
|
}
|
|
}
|
|
}
|
|
|
|
// Tests
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
|
|
use super::*;
|
|
|
|
use std::io::{Seek, SeekFrom};
|
|
use std::path::PathBuf;
|
|
|
|
#[test]
|
|
fn test_config_serializer_deserialize_ok() {
|
|
let toml_file: tempfile::NamedTempFile = create_good_toml();
|
|
toml_file.as_file().sync_all().unwrap();
|
|
toml_file.as_file().seek(SeekFrom::Start(0)).unwrap();
|
|
// Parse
|
|
let deserializer: ConfigSerializer = ConfigSerializer {};
|
|
let cfg = deserializer.deserialize(Box::new(toml_file));
|
|
println!("{:?}", cfg);
|
|
assert!(cfg.is_ok());
|
|
let cfg: UserConfig = cfg.ok().unwrap();
|
|
// Verify configuration
|
|
// Verify ui
|
|
assert_eq!(cfg.user_interface.default_protocol, String::from("SCP"));
|
|
assert_eq!(cfg.user_interface.text_editor, PathBuf::from("vim"));
|
|
assert_eq!(cfg.user_interface.show_hidden_files, true);
|
|
assert_eq!(cfg.user_interface.check_for_updates.unwrap(), true);
|
|
assert_eq!(cfg.user_interface.group_dirs, Some(String::from("last")));
|
|
assert_eq!(
|
|
cfg.user_interface.file_fmt,
|
|
Some(String::from("{NAME} {PEX}"))
|
|
);
|
|
// Verify keys
|
|
assert_eq!(
|
|
*cfg.remote
|
|
.ssh_keys
|
|
.get(&String::from("192.168.1.31"))
|
|
.unwrap(),
|
|
PathBuf::from("/home/omar/.ssh/raspberry.key")
|
|
);
|
|
assert_eq!(
|
|
*cfg.remote
|
|
.ssh_keys
|
|
.get(&String::from("192.168.1.32"))
|
|
.unwrap(),
|
|
PathBuf::from("/home/omar/.ssh/beaglebone.key")
|
|
);
|
|
assert!(cfg.remote.ssh_keys.get(&String::from("1.1.1.1")).is_none());
|
|
}
|
|
|
|
#[test]
|
|
fn test_config_serializer_deserialize_ok_no_opts() {
|
|
let toml_file: tempfile::NamedTempFile = create_good_toml_no_opts();
|
|
toml_file.as_file().sync_all().unwrap();
|
|
toml_file.as_file().seek(SeekFrom::Start(0)).unwrap();
|
|
// Parse
|
|
let deserializer: ConfigSerializer = ConfigSerializer {};
|
|
let cfg = deserializer.deserialize(Box::new(toml_file));
|
|
println!("{:?}", cfg);
|
|
assert!(cfg.is_ok());
|
|
let cfg: UserConfig = cfg.ok().unwrap();
|
|
// Verify configuration
|
|
// Verify ui
|
|
assert_eq!(cfg.user_interface.default_protocol, String::from("SCP"));
|
|
assert_eq!(cfg.user_interface.text_editor, PathBuf::from("vim"));
|
|
assert_eq!(cfg.user_interface.show_hidden_files, true);
|
|
assert_eq!(cfg.user_interface.group_dirs, None);
|
|
assert!(cfg.user_interface.check_for_updates.is_none());
|
|
assert_eq!(cfg.user_interface.file_fmt, None);
|
|
// Verify keys
|
|
assert_eq!(
|
|
*cfg.remote
|
|
.ssh_keys
|
|
.get(&String::from("192.168.1.31"))
|
|
.unwrap(),
|
|
PathBuf::from("/home/omar/.ssh/raspberry.key")
|
|
);
|
|
assert_eq!(
|
|
*cfg.remote
|
|
.ssh_keys
|
|
.get(&String::from("192.168.1.32"))
|
|
.unwrap(),
|
|
PathBuf::from("/home/omar/.ssh/beaglebone.key")
|
|
);
|
|
assert!(cfg.remote.ssh_keys.get(&String::from("1.1.1.1")).is_none());
|
|
}
|
|
|
|
#[test]
|
|
fn test_config_serializer_deserialize_nok() {
|
|
let toml_file: tempfile::NamedTempFile = create_bad_toml();
|
|
toml_file.as_file().sync_all().unwrap();
|
|
toml_file.as_file().seek(SeekFrom::Start(0)).unwrap();
|
|
// Parse
|
|
let deserializer: ConfigSerializer = ConfigSerializer {};
|
|
assert!(deserializer.deserialize(Box::new(toml_file)).is_err());
|
|
}
|
|
|
|
#[test]
|
|
fn test_config_serializer_serialize() {
|
|
let mut cfg: UserConfig = UserConfig::default();
|
|
let toml_file: tempfile::NamedTempFile = tempfile::NamedTempFile::new().ok().unwrap();
|
|
// Insert key
|
|
cfg.remote.ssh_keys.insert(
|
|
String::from("192.168.1.31"),
|
|
PathBuf::from("/home/omar/.ssh/id_rsa"),
|
|
);
|
|
// Serialize
|
|
let serializer: ConfigSerializer = ConfigSerializer {};
|
|
let writer: Box<dyn Write> = Box::new(std::fs::File::create(toml_file.path()).unwrap());
|
|
assert!(serializer.serialize(writer, &cfg).is_ok());
|
|
// Reload configuration and check if it's ok
|
|
toml_file.as_file().sync_all().unwrap();
|
|
toml_file.as_file().seek(SeekFrom::Start(0)).unwrap();
|
|
assert!(serializer.deserialize(Box::new(toml_file)).is_ok());
|
|
}
|
|
|
|
fn create_good_toml() -> tempfile::NamedTempFile {
|
|
// Write
|
|
let mut tmpfile: tempfile::NamedTempFile = tempfile::NamedTempFile::new().unwrap();
|
|
let file_content: &str = r#"
|
|
[user_interface]
|
|
default_protocol = "SCP"
|
|
text_editor = "vim"
|
|
show_hidden_files = true
|
|
check_for_updates = true
|
|
group_dirs = "last"
|
|
file_fmt = "{NAME} {PEX}"
|
|
|
|
[remote.ssh_keys]
|
|
"192.168.1.31" = "/home/omar/.ssh/raspberry.key"
|
|
"192.168.1.32" = "/home/omar/.ssh/beaglebone.key"
|
|
"#;
|
|
tmpfile.write_all(file_content.as_bytes()).unwrap();
|
|
tmpfile
|
|
}
|
|
|
|
fn create_good_toml_no_opts() -> tempfile::NamedTempFile {
|
|
// Write
|
|
let mut tmpfile: tempfile::NamedTempFile = tempfile::NamedTempFile::new().unwrap();
|
|
let file_content: &str = r#"
|
|
[user_interface]
|
|
default_protocol = "SCP"
|
|
text_editor = "vim"
|
|
show_hidden_files = true
|
|
|
|
[remote.ssh_keys]
|
|
"192.168.1.31" = "/home/omar/.ssh/raspberry.key"
|
|
"192.168.1.32" = "/home/omar/.ssh/beaglebone.key"
|
|
"#;
|
|
tmpfile.write_all(file_content.as_bytes()).unwrap();
|
|
tmpfile
|
|
}
|
|
|
|
fn create_bad_toml() -> tempfile::NamedTempFile {
|
|
// Write
|
|
let mut tmpfile: tempfile::NamedTempFile = tempfile::NamedTempFile::new().unwrap();
|
|
let file_content: &str = r#"
|
|
[user_interface]
|
|
default_protocol = "SFTP"
|
|
|
|
[remote.ssh_keys]
|
|
"192.168.1.31" = "/home/omar/.ssh/raspberry.key"
|
|
"#;
|
|
tmpfile.write_all(file_content.as_bytes()).unwrap();
|
|
tmpfile
|
|
}
|
|
}
|