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|
use crate::prelude::*;
use std::io::Write as _;
pub fn run() -> Result<Option<config::Config>> {
println!("No configuration file found.");
let run_wizard = prompt(
"Would you like me to ask you some questions to generate one?",
)?;
if !run_wizard {
let shouldnt_touch = prompt(
"Would you like me to ask this question again in the future?",
)?;
if !shouldnt_touch {
touch_config_file()?;
}
return Ok(None);
}
let connect_address =
prompt_addr("Which server would you like to connect to?")?;
let tls = prompt("Does this server require a TLS connection?")?;
let auth_type = prompt_auth_type(
"How would you like to authenticate to this server?",
)?;
write_config_file(&connect_address, tls, &auth_type).and_then(
|config_filename| {
Some(super::config_from_filename(&config_filename)).transpose()
},
)
}
fn touch_config_file() -> Result<()> {
let config_filename = crate::dirs::Dirs::new()
.config_file(super::CONFIG_FILENAME, false)
.unwrap();
std::fs::File::create(config_filename.clone()).context(
crate::error::CreateFileSync {
filename: config_filename.to_string_lossy(),
},
)?;
Ok(())
}
fn write_config_file(
connect_address: &str,
tls: bool,
auth_type: &str,
) -> Result<std::path::PathBuf> {
let contents = format!(
r#"[client]
connect_address = "{}"
tls = {}
auth = "{}"
"#,
connect_address, tls, auth_type
);
let config_filename = crate::dirs::Dirs::new()
.config_file(super::CONFIG_FILENAME, false)
.unwrap();
let mut file = std::fs::File::create(config_filename.clone()).context(
crate::error::CreateFileSync {
filename: config_filename.to_string_lossy(),
},
)?;
file.write_all(contents.as_bytes())
.context(crate::error::WriteFileSync)?;
Ok(config_filename)
}
fn prompt(msg: &str) -> Result<bool> {
print!("{} [y/n]: ", msg);
std::io::stdout()
.flush()
.context(crate::error::FlushTerminal)?;
let mut response = String::new();
std::io::stdin()
.read_line(&mut response)
.context(crate::error::ReadTerminal)?;
loop {
match response.trim() {
"y" | "yes" => {
return Ok(true);
}
"n" | "no" => {
return Ok(false);
}
_ => {
print!("Please answer [y]es or [n]o: ");
std::io::stdout()
.flush()
.context(crate::error::FlushTerminal)?;
std::io::stdin()
.read_line(&mut response)
.context(crate::error::ReadTerminal)?;
}
}
}
}
fn prompt_addr(msg: &str) -> Result<String> {
loop {
print!("{} [addr:port]: ", msg);
std::io::stdout()
.flush()
.context(crate::error::FlushTerminal)?;
let mut response = String::new();
std::io::stdin()
.read_line(&mut response)
.context(crate::error::ReadTerminal)?;
match response.trim() {
addr if addr.contains(':') => {
match super::to_connect_address(addr) {
Ok(..) => return Ok(addr.to_string()),
_ => {
println!("Couldn't parse '{}'.", addr);
}
};
}
_ => {
println!("Please include a port number.");
}
}
}
}
fn prompt_auth_type(msg: &str) -> Result<String> {
let auth_type_names: Vec<_> = crate::protocol::AuthType::iter()
.map(crate::protocol::AuthType::name)
.collect();
loop {
println!("{}", msg);
println!("Options are:");
for (i, name) in auth_type_names.iter().enumerate() {
println!("{}: {}", i + 1, name);
}
print!("Choose [1-{}]: ", auth_type_names.len());
std::io::stdout()
.flush()
.context(crate::error::FlushTerminal)?;
let mut response = String::new();
std::io::stdin()
.read_line(&mut response)
.context(crate::error::ReadTerminal)?;
let num: Option<usize> = response.trim().parse().ok();
if let Some(num) = num {
if num > 0 && num <= auth_type_names.len() {
let name = auth_type_names[num - 1];
return Ok(name.to_string());
}
}
println!("Invalid response '{}'", response.trim());
}
}
|
