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use colored::Colorize;
use indicatif::MultiProgress;
use serde_json::json;
use std::{
collections::HashMap,
sync::Arc,
time::{Duration, Instant},
};
use tokio::task::JoinHandle;
use color_eyre::eyre::{eyre, Result};
use parking_lot::Mutex;
use crate::{
cli::opts::Opts,
utils::{
constants::{DEFAULT_DEPTH, ERROR, PROGRESS_CHARS, PROGRESS_TEMPLATE, SUCCESS, WARNING},
scripting::{run_scripts, ScriptingResponse},
tree::{Tree, TreeData, TreeNode, UrlType},
},
};
use super::filters::utils::is_directory;
pub struct Recursive {
opts: Opts,
depth: Arc<Mutex<usize>>,
tree: Arc<Mutex<Tree<TreeData>>>,
current_indexes: Arc<Mutex<HashMap<String, Vec<usize>>>>,
chunks: Arc<Vec<Vec<String>>>,
}
impl super::Runner for Recursive {
async fn run(self) -> Result<()> {
while *self.depth.lock() < self.opts.depth.unwrap_or(DEFAULT_DEPTH) {
let previous_nodes = self.tree.lock().get_nodes_at_depth(*self.depth.lock());
let mut handles = Vec::new();
let mut progresses = HashMap::new();
let depth = self.depth.clone();
let root_progress = MultiProgress::new();
// Create a progress bar for each previous node
for previous_node in &previous_nodes {
let root_progress = root_progress.clone();
if previous_node.lock().data.url_type != UrlType::Directory
&& !self.opts.force_recursion
{
log::debug!("Skipping not-directory {}", previous_node.lock().data.url);
continue;
}
let depth = depth.clone();
let mut indexes = self.current_indexes.lock();
let index = indexes
.entry(previous_node.lock().data.url.clone())
.or_insert_with(|| vec![0; self.chunks.len()]);
let pb = root_progress
.add(indicatif::ProgressBar::new(
(self.chunks.iter().map(|chunk| chunk.len()).sum::<usize>()) as u64,
))
.with_style(
indicatif::ProgressStyle::default_bar()
.template(PROGRESS_TEMPLATE)?
.progress_chars(PROGRESS_CHARS),
)
.with_message(format!(
"/{}",
previous_node.lock().data.path.trim_start_matches('/')
))
.with_prefix(format!("d={}", *depth.lock()))
.with_position(index.iter().sum::<usize>() as u64);
pb.enable_steady_tick(Duration::from_millis(100));
progresses.insert(previous_node.lock().data.url.clone(), pb);
let progress = progresses
.get(&previous_node.lock().data.url)
.ok_or(eyre!("Failed to get progress bar"))?
.clone();
let client = super::client::build(&self.opts)?;
let mut engine = rhai::Engine::new();
engine.build_type::<ScriptingResponse>();
let engine_opts = self.opts.clone();
let engine_progress = progress.clone();
engine.on_print(move |s| {
if !engine_opts.quiet {
engine_progress.println(s);
}
});
let engine = Arc::new(engine);
for (i, chunk) in self.chunks.iter().enumerate() {
let tree = self.tree.clone();
let previous_node = previous_node.clone();
let chunk = chunk.clone();
let client = client.clone();
let progress = progress.clone();
let indexes = self.current_indexes.clone();
let opts = self.opts.clone();
let depth = depth.clone();
let root_progress = root_progress.clone();
let engine = engine.clone();
let chunk_handle: JoinHandle<Result<()>> = tokio::spawn(async move {
let previous_node = previous_node.clone();
Self::process_chunk(
chunk,
client,
progress,
root_progress.clone(),
tree,
opts,
depth,
previous_node.clone(),
indexes,
engine,
i,
)
.await
});
handles.push(chunk_handle);
}
}
for handle in handles {
let res = handle
.await
.map_err(|err| eyre!("Failed to receive result from worker thread: {}", err))?;
if res.is_err() {
return Err(res.err().unwrap());
}
}
// Go to the next depth (/a/b/c -> /a/b/c/d)
*depth.lock() += 1;
}
Ok(())
}
}
impl Recursive {
pub fn new(
opts: Opts,
depth: Arc<Mutex<usize>>,
tree: Arc<Mutex<Tree<TreeData>>>,
current_indexes: Arc<Mutex<HashMap<String, Vec<usize>>>>,
chunks: Arc<Vec<Vec<String>>>,
) -> Self {
Self {
opts,
depth,
tree,
current_indexes,
chunks,
}
}
#[allow(clippy::too_many_arguments)]
async fn process_chunk(
chunk: Vec<String>,
client: reqwest::Client,
progress: indicatif::ProgressBar,
root_progress: indicatif::MultiProgress,
tree: Arc<Mutex<Tree<TreeData>>>,
opts: Opts,
depth: Arc<Mutex<usize>>,
previous_node: Arc<Mutex<TreeNode<TreeData>>>,
indexes: Arc<Mutex<HashMap<String, Vec<usize>>>>,
engine: Arc<rhai::Engine>,
i: usize,
) -> Result<()> {
while indexes
.lock()
.get_mut(&previous_node.lock().data.url)
.ok_or(eyre!("Couldn't find indexes for the previous node"))?[i]
< chunk.len()
{
let index = indexes
.lock()
.get_mut(&previous_node.lock().data.url)
.ok_or(eyre!("Couldn't find indexes for the previous node"))?[i];
let word = chunk[index].clone();
let data = previous_node.lock().data.clone();
let mut url = data.url.clone();
if !opts.distributed.is_empty() {
let current = index % (opts.distributed.len() + 1);
if current != 0 {
let host_for_this_request = &opts.distributed[current - 1];
let parsed_url = url::Url::parse(&url)?;
url = format!(
"{}://{}{}",
parsed_url.scheme(),
host_for_this_request,
parsed_url.path()
);
}
}
match url.ends_with('/') {
true => url.push_str(&word),
false => url.push_str(&format!("/{}", word)),
}
let request = super::client::build_request(&opts, &url, &client)?;
let t1 = Instant::now();
let response = client.execute(request).await;
if let Some(throttle) = opts.throttle {
if throttle > 0 {
let elapsed = t1.elapsed();
let sleep_duration = Duration::from_secs_f64(1.0 / throttle as f64);
if let Some(sleep) = sleep_duration.checked_sub(elapsed) {
tokio::time::sleep(sleep).await;
}
}
}
match response {
Ok(mut response) => {
let status_code = response.status().as_u16();
let mut text = String::new();
while let Ok(chunk) = response.chunk().await {
if let Some(chunk) = chunk {
text.push_str(&String::from_utf8_lossy(&chunk));
} else {
break;
}
}
let is_dir = is_directory(&opts, &response, text.clone(), &progress);
let filtered = super::filters::check(
&opts,
&progress,
&text,
t1.elapsed().as_millis(),
Some(*depth.lock()),
&response,
&engine,
);
if filtered {
let additions =
super::filters::parse_show(&opts, &text, &response, &progress, &engine);
root_progress.println(format!(
"{} {} {} {}{}",
if response.status().is_success() {
SUCCESS.to_string().green()
} else if response.status().is_redirection() {
WARNING.to_string().yellow()
} else {
ERROR.to_string().red()
},
response.status().as_str().bold(),
url,
format!("{}ms", t1.elapsed().as_millis().to_string().bold()).dimmed(),
additions.iter().fold("".to_string(), |acc, addition| {
format!(
"{} | {}: {}",
acc,
addition.key.dimmed().bold(),
addition.value.dimmed()
)
})
))?;
// Check if this path is already in the tree
if !previous_node
.lock()
.children
.iter()
.any(|child| child.lock().data.path == *word)
{
let maybe_content_type =
response.headers().get("content-type").map(|x| {
x.to_str()
.unwrap_or_default()
.split(';')
.next()
.unwrap_or_default()
.to_string()
});
let scripting_response =
ScriptingResponse::from_response(response, Some(text)).await;
run_scripts(
&opts,
&data,
Some(scripting_response.clone()),
progress.clone(),
)
.await
.map_err(|err| {
eyre!("Failed to run scripts on URL {}: {}", url, err)
})?;
tree.lock().insert(
TreeData {
url: url.clone(),
depth: data.depth + 1,
path: word.clone(),
status_code,
extra: json!(additions),
url_type: if is_dir {
UrlType::Directory
} else if let Some(content_type) = maybe_content_type {
UrlType::File(content_type)
} else {
UrlType::Unknown
},
response: if opts.capture {
Some(scripting_response)
} else {
None
},
},
Some(previous_node.clone()),
);
} else {
progress.println(format!(
"{} {} {}",
WARNING.to_string().yellow(),
"Already in tree".bold(),
url
));
}
}
}
Err(err) => {
if opts.hit_connection_errors && err.is_connect() {
root_progress.println(format!(
"{} {} {} {}",
SUCCESS.to_string().green(),
"Connection error".bold(),
url,
format!("{}ms", t1.elapsed().as_millis().to_string().bold()).dimmed()
))?;
if !previous_node
.lock()
.children
.iter()
.any(|child| child.lock().data.path == *word)
{
run_scripts(&opts, &data, None, progress.clone())
.await
.map_err(|err| {
eyre!("Failed to run scripts on URL {}: {}", url, err)
})?;
tree.lock().insert(
TreeData {
url: url.clone(),
depth: data.depth + 1,
path: word.clone(),
status_code: 0,
extra: json!([]),
url_type: UrlType::Unknown,
response: None,
},
Some(previous_node.clone()),
);
} else {
root_progress.println(format!(
"{} {} {}",
WARNING.to_string().yellow(),
"Already in tree".bold(),
url
))?;
}
} else {
super::filters::utils::print_error(
&opts,
|msg| {
root_progress.println(msg)?;
Ok(())
},
&url,
err,
)?;
}
}
}
// Increase the index of the current chunk in the hashmap
indexes
.lock()
.get_mut(&previous_node.lock().data.url)
.ok_or(eyre!("Couldn't find indexes for the previous node"))?[i] += 1;
progress.inc(1);
}
Ok(())
}
}