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use hyper::service::{make_service_fn, service_fn};
use hyper::{header, Body, Request, Response, Server};
use hyper::{Method, StatusCode};
use memmap::MmapOptions;
use percent_encoding::{utf8_percent_encode, AsciiSet, CONTROLS};
use profiler_get_symbols::query_api;
use profiler_get_symbols::{
self, FileAndPathHelper, FileAndPathHelperResult, OptionallySendFuture, OwnedFileData,
};
use serde_json::{self, Value};
use std::collections::HashMap;
use std::convert::Infallible;
use std::fs::File;
use std::io::Read;
use std::net::SocketAddr;
use std::path::{Path, PathBuf};
use std::pin::Pin;
use std::process::Command;
use std::sync::Arc;
use uuid::Uuid;
mod moria_mac;
#[cfg(target_os = "macos")]
mod moria_mac_spotlight;
const BAD_CHARS: &AsciiSet = &CONTROLS.add(b':').add(b'/');
pub async fn start_server(file: &Path, open_in_browser: bool) {
let mut file = File::open(file).expect("couldn't open file");
let mut buffer = Vec::new();
file.read_to_end(&mut buffer).expect("couldn't read file");
let profile: Value = serde_json::from_slice(&buffer).expect("couldn't parse json");
let buffer = Arc::new(buffer);
let addr = SocketAddr::from(([127, 0, 0, 1], 3000));
let helper = Arc::new(Helper::for_profile(profile));
let new_service = make_service_fn(move |_conn| {
let helper = helper.clone();
let buffer = buffer.clone();
async {
Ok::<_, Infallible>(service_fn(move |req| {
symbolication_service(req, helper.clone(), buffer.clone())
}))
}
});
let server = Server::bind(&addr).serve(new_service);
let profile_url = "http://127.0.0.1:3000/profile.json";
let profiler_url_prefix = "https://profiler.firefox.com/from-url/";
let encoded_profile_url = utf8_percent_encode(profile_url, BAD_CHARS).to_string();
let url = format!("{}{}", profiler_url_prefix, encoded_profile_url);
eprintln!("Serving symbolication server at http://127.0.0.1:3000");
eprintln!(" The profile is at http://127.0.0.1:3000/profile.json");
eprintln!(" Symbols can be obtained by posting to");
eprintln!(" http://127.0.0.1:3000/symbolicate/v5 or");
eprintln!(" http://127.0.0.1:3000/symbolicate/v6a1");
eprintln!(" Open the profiler at");
eprintln!(" {}", url);
eprintln!("Press Ctrl+C to abort.");
eprintln!("");
if open_in_browser {
let mut cmd = Command::new("open");
let _ = cmd.arg(&url).status();
}
if let Err(e) = server.await {
eprintln!("server error: {}", e);
}
}
async fn symbolication_service(
req: Request<Body>,
helper: Arc<Helper>,
buffer: Arc<Vec<u8>>,
) -> Result<Response<Body>, hyper::Error> {
let mut response = Response::new(Body::empty());
response.headers_mut().insert(
header::ACCESS_CONTROL_ALLOW_ORIGIN,
header::HeaderValue::from_static("*"),
);
match (req.method(), req.uri().path()) {
(&Method::GET, "/") => {
*response.body_mut() = Body::from("Try POSTing data to /symbolicate/v5");
}
(&Method::GET, "/profile.json") => {
*response.body_mut() = Body::from((*buffer).clone());
}
(&Method::POST, path) => {
let path = path.to_string();
let full_body = hyper::body::to_bytes(req.into_body()).await?;
let full_body = String::from_utf8(full_body.to_vec()).expect("invalid utf-8");
let response_json = query_api(&path, &full_body, &*helper).await;
*response.body_mut() = response_json.clone().into();
}
_ => {
*response.status_mut() = StatusCode::NOT_FOUND;
}
};
Ok(response)
}
struct MmapFileContents(memmap::Mmap);
impl OwnedFileData for MmapFileContents {
fn get_data(&self) -> &[u8] {
&*self.0
}
}
struct Helper {
path_map: HashMap<(String, String), String>,
}
fn add_to_path_map_recursive(profile: &Value, path_map: &mut HashMap<(String, String), String>) {
if let Value::Array(libs) = &profile["libs"] {
for lib in libs {
let debug_name = lib["debugName"].as_str().unwrap().to_string();
let breakpad_id = lib["breakpadId"].as_str().unwrap().to_string();
let debug_path = lib["debugPath"].as_str().unwrap().to_string();
path_map.insert((debug_name, breakpad_id), debug_path);
}
}
if let Value::Array(processes) = &profile["processes"] {
for process in processes {
add_to_path_map_recursive(process, path_map);
}
}
}
impl Helper {
pub fn for_profile(profile: Value) -> Self {
let mut path_map = HashMap::new();
add_to_path_map_recursive(&profile, &mut path_map);
Helper { path_map }
}
}
impl FileAndPathHelper for Helper {
type FileContents = MmapFileContents;
fn get_candidate_paths_for_binary_or_pdb(
&self,
debug_name: &str,
breakpad_id: &str,
) -> Pin<Box<dyn OptionallySendFuture<Output = FileAndPathHelperResult<Vec<PathBuf>>>>> {
async fn to_future(
res: FileAndPathHelperResult<Vec<PathBuf>>,
) -> FileAndPathHelperResult<Vec<PathBuf>> {
res
}
let mut paths = vec![];
if let Some(path) = self
.path_map
.get(&(debug_name.to_string(), breakpad_id.to_string()))
{
if let Ok(uuid) = Uuid::parse_str(&breakpad_id[0..32]) {
if let Ok(dsym_path) = moria_mac::locate_dsym(&path, uuid) {
paths.push(dsym_path.clone());
paths.push(
dsym_path
.join("Contents")
.join("Resources")
.join("DWARF")
.join(debug_name),
);
}
}
paths.push(path.into());
}
Box::pin(to_future(Ok(paths)))
}
fn read_file(
&self,
path: &Path,
) -> Pin<Box<dyn OptionallySendFuture<Output = FileAndPathHelperResult<Self::FileContents>>>>
{
async fn read_file_impl(path: PathBuf) -> FileAndPathHelperResult<MmapFileContents> {
eprintln!("Reading file {:?}", &path);
let file = File::open(&path)?;
Ok(MmapFileContents(unsafe { MmapOptions::new().map(&file)? }))
}
Box::pin(read_file_impl(path.to_owned()))
}
}