Files
web-scraper-rust/src/main.rs
T
2026-08-14 22:18:11 +01:00

99 lines
3.0 KiB
Rust

mod config;
mod converter;
mod error_logger;
mod extractor;
mod fetcher;
mod pdf_processor;
mod robots;
mod scraper;
mod url_utils;
use crate::config::USER_AGENT;
use crate::robots::fetch_robots;
use crate::scraper::Scraper;
use std::fs;
use std::path::PathBuf;
use url::Url;
#[tokio::main]
async fn main() -> anyhow::Result<()> {
let args: Vec<String> = std::env::args().collect();
// Parse flags
let mut convert_pdfs = true;
let mut url_arg: Option<String> = None;
for arg in args.iter().skip(1) {
match arg.as_str() {
"--no-pdf-conversion" => convert_pdfs = false,
"--help" | "-h" => {
println!("Usage: site-scraper [OPTIONS] <start-url>");
println!();
println!("Options:");
println!(" --no-pdf-conversion Save PDFs as-is, skip text extraction");
println!(" -h, --help Show this help message");
println!();
println!("Example:");
println!(" site-scraper https://www.logting.fo");
println!(" site-scraper --no-pdf-conversion https://taks.fo");
std::process::exit(0);
}
_ => {
if url_arg.is_none() {
url_arg = Some(arg.clone());
}
}
}
}
let start_url = match url_arg {
Some(u) => u,
None => {
eprintln!("Usage: site-scraper [OPTIONS] <start-url>");
eprintln!("Example: site-scraper https://www.logting.fo");
eprintln!("Run with --help for options.");
std::process::exit(1);
}
};
let url = Url::parse(&start_url)?;
let base_domain = url_utils::derive_base_domain(&url)
.ok_or_else(|| anyhow::anyhow!("Could not parse hostname from {}", start_url))?;
let output_dir_name = format!("scraped_{}", base_domain.replace('.', "_"));
let output_dir = PathBuf::from(&output_dir_name);
let logs_dir = output_dir.join("logs");
fs::create_dir_all(&logs_dir)?;
let log_path = logs_dir.join("scrape_errors.jsonl");
fs::remove_file(&log_path).ok();
println!("Scraping: {}", start_url);
println!("Base domain: {}", base_domain);
println!("Output dir: {}", output_dir.display());
println!(
"PDF conversion: {}",
if convert_pdfs { "enabled" } else { "disabled" }
);
// Fetch robots.txt
let client = reqwest::Client::builder()
.timeout(std::time::Duration::from_secs(30))
.user_agent(USER_AGENT)
.build()?;
println!("Fetching robots.txt...");
let robots = fetch_robots(&client, &url, "web-scraper").await;
println!();
let scraper = Scraper::new(output_dir, log_path, base_domain, robots, convert_pdfs);
let (count, errors) = scraper.run(&url).await;
println!("\nDone. Fetched {} URLs. Errors: {}.", count, errors);
println!("Error log: {}/logs/scrape_errors.jsonl", output_dir_name);
Ok(())
}