60 lines
1.7 KiB
Rust
60 lines
1.7 KiB
Rust
use dotenvy::dotenv;
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use reqwest::blocking::Client;
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use reqwest::header;
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use std::{env, fs::OpenOptions, io::Write, process};
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fn main() {
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let day: u8 = match aoc::parse_args() {
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Ok(day) => day,
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Err(_) => {
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eprintln!("Need to specify a day (as integer). example: `cargo download 7`");
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process::exit(1);
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}
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};
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dotenv().ok();
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let day_padded = format!("{day:02}");
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let token = env::var("TOKEN").expect("$TOKEN is not set");
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let year = env::var("YEAR")
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.expect("$YEAR is not set")
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.parse::<u32>()
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.expect("$YEAR must be a number");
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let mut headers = header::HeaderMap::new();
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let mut session_header = header::HeaderValue::from_str(format!("session={token}").as_str())
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.expect("Error building cookie header");
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session_header.set_sensitive(true);
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headers.insert(header::COOKIE, session_header);
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let client = Client::builder().default_headers(headers).build().unwrap();
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let res = client
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.get(format!("https://adventofcode.com/{year}/day/{day}/input"))
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.send()
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.unwrap()
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.text()
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.unwrap();
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let input_path = format!("src/inputs/{day_padded}.txt");
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let mut file = match OpenOptions::new()
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.write(true)
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.create(true)
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.open(&input_path)
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{
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Ok(file) => file,
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Err(e) => {
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eprintln!("Failed to create module file: {e}");
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process::exit(1);
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}
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};
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match file.write_all(res.as_bytes()) {
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Ok(_) => {
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println!("Downloaded input file \"{}\"", &input_path);
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}
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Err(e) => {
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eprintln!("Failed to write module contents: {e}");
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process::exit(1);
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}
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}
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}
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