replace '~' with absolute path & removed unnecessary return traits

src/client.rs

@@ -130,7 +130,7 @@ impl Client {
                 debug!("File '{}': {} bytes remaining", file.hash, remaining);
             }
 
-            let check_hash = crypto::try_hash(&path)?;
+            let check_hash = crypto::try_hash(&path).unwrap();
             let msg = check_hash.as_bytes().to_vec();
             handler.send(&msg).await?;
 

src/crypto.rs

@@ -102,7 +102,7 @@ impl Crypto {
     }
 }
 
-pub fn try_hash(path: &Path) -> Result<String, Box<dyn Error + Send + Sync>> {
+pub fn try_hash(path: &Path) -> Result<String, Box<dyn Error>> {
     debug!("Calculating SHA hash");
 
     let hash = sha256::try_digest(path)?;

src/main.rs

@@ -6,9 +6,10 @@ use contego::{
     client::Client,
     parser::{addr_parser, dirpath_parser, filepath_parser},
     server::Server,
-    util::{filepaths, metadata, Ip},
+    util::{filepaths, handle_exit, metadata, Ip},
 };
 use env_logger::Env;
+use log::error;
 use tokio::sync::mpsc;
 
 #[derive(Debug, Parser)]
@@ -20,16 +21,16 @@ struct Cli {
 
 #[derive(Debug, Subcommand)]
 enum Commands {
-    #[clap(group(ArgGroup::new("input").required(true).args(&["infile", "files"])))]
+    #[clap(group(ArgGroup::new("input").required(true).args(&["source", "files"])))]
     Host {
         /// Access key
         #[clap(short = 'k', long)]
         key: String,
         /// Path to a source file (alternative to --files)
-        #[clap(short = 'i', long, value_parser = filepath_parser, conflicts_with = "files", group = "input")]
+        #[clap(short = 's', long, value_parser = filepath_parser, conflicts_with = "files", group = "input")]
         source: Option<PathBuf>,
         /// Paths to shareable files (alternative to --source)
-        #[clap(short = 'f', long, num_args = 1.., value_parser = filepath_parser, conflicts_with = "infile", group = "input")]
+        #[clap(short = 'f', long, num_args = 1.., value_parser = filepath_parser, conflicts_with = "source", group = "input")]
         files: Option<Vec<PathBuf>>,
         /// Host port
         #[clap(short = 'p', long, default_value_t = 8080)]
@@ -58,9 +59,8 @@ enum Commands {
 }
 
 #[tokio::main]
-async fn main() -> Result<(), Box<dyn Error + Send + Sync>> {
+async fn main() -> Result<(), Box<dyn Error>> {
     env_logger::Builder::from_env(Env::default().default_filter_or("info")).init();
-
     let cli = Cli::parse();
 
     match cli.command {
@@ -73,23 +73,33 @@ async fn main() -> Result<(), Box<dyn Error + Send + Sync>> {
             local,
             key,
         } => {
-            let files = filepaths(source, files)?;
+            let (tx, rx) = mpsc::channel::<()>(1);
-            let (metadata, index) = metadata(&files).await?;
+
+            let paths = filepaths(source, files)?;
+            let (metadata, index) = metadata(&paths).await?;
             let addr = match (local, ipv6) {
                 (true, _) => Ip::Local.fetch(port)?,
                 (false, true) => Ip::V6.fetch(port)?,
                 (false, false) => Ip::V4.fetch(port)?,
             };
 
-            // TODO: handle shutdown signal
-            let (_tx, rx) = mpsc::channel::<()>(1);
-
             let server = Server::new(addr, key, chunksize, metadata, index);
-            server.start(rx).await?;
+
+            tokio::spawn(async move {
+                match server.start(rx).await {
+                    Ok(_) => {}
+                    Err(e) => error!("Error during server execution: {}", e),
+                };
+            });
+
+            handle_exit(tx).await?;
         }
         Commands::Connect { addr, out, key } => {
             let client = Client::new(addr, key, out);
-            client.connection().await?;
+            match client.connection().await {
+                Ok(_) => {}
+                Err(e) => error!("Error during client execution: {}", e),
+            };
         }
     };
 

src/parser.rs

@@ -1,9 +1,12 @@
 use std::{
+    env,
     io::{Error, ErrorKind::NotFound},
     net::{AddrParseError, SocketAddr},
     path::PathBuf,
 };
 
+use log::debug;
+
 pub fn addr_parser(addr: &str) -> Result<SocketAddr, AddrParseError> {
     let addr = addr
         .parse::<SocketAddr>()
@@ -13,7 +16,13 @@ pub fn addr_parser(addr: &str) -> Result<SocketAddr, AddrParseError> {
 }
 
 pub fn filepath_parser(path: &str) -> Result<PathBuf, Error> {
-    let path = path.parse::<PathBuf>().expect("Failed to parse path");
+    debug!("Validating filepath '{}'", path);
+
+    let home = env::var("HOME").unwrap();
+    let path = path
+        .replace('~', &home)
+        .parse::<PathBuf>()
+        .expect("Failed to parse path");
 
     if path.exists() && path.is_file() {
         Ok(path)
@@ -23,6 +32,8 @@ pub fn filepath_parser(path: &str) -> Result<PathBuf, Error> {
 }
 
 pub fn dirpath_parser(path: &str) -> Result<PathBuf, Error> {
+    debug!("Validating dirpath '{}'", path);
+
     let path = path.parse::<PathBuf>().expect("Failed to parse path");
 
     if path.exists() && path.is_dir() {

src/util.rs

@@ -1,7 +1,15 @@
-use std::{collections::HashMap, error::Error, fs, net::SocketAddr, path::PathBuf};
+use std::{
+    collections::HashMap,
+    env,
+    error::Error,
+    fs,
+    io::{stdin, Read},
+    net::SocketAddr,
+    path::PathBuf,
+};
 
 use log::{debug, info};
-use tokio::{fs::File, io::BufWriter};
+use tokio::{fs::File, io::BufWriter, sync::mpsc::Sender};
 
 use crate::crypto;
 
@@ -16,9 +24,7 @@ pub enum Ip {
 }
 
 impl Ip {
-    pub fn fetch(self, port: u16) -> Result<SocketAddr, Box<dyn Error + Send + Sync>> {
+    pub fn fetch(self, port: u16) -> Result<SocketAddr, Box<dyn Error>> {
-        debug!("Fetching IP information");
-
         let addr = match self {
             Ip::V4 => PUBLIC_IPV4,
             Ip::V6 => PUBLIC_IPV6,
@@ -28,6 +34,8 @@ impl Ip {
             }
         };
 
+        info!("Fetching IP information from {}", addr);
+
         let res = format!("{}:{}", ureq::get(addr).call()?.into_string()?.trim(), port);
         let addr = res.parse::<SocketAddr>()?;
 
@@ -51,38 +59,41 @@ impl FileInfo {
 }
 
 pub fn filepaths(
-    infile: Option<PathBuf>,
+    source: Option<PathBuf>,
     files: Option<Vec<PathBuf>>,
-) -> Result<Vec<PathBuf>, Box<dyn Error + Send + Sync>> {
+) -> Result<Vec<PathBuf>, Box<dyn Error>> {
     info!("Collecting filepaths");
 
-    let mut filepaths = Vec::new();
+    let mut paths = Vec::new();
 
-    if let Some(infile) = infile {
+    if let Some(source) = source {
-        let paths = fs::read_to_string(infile)?;
+        let home = env::var("HOME")?;
-        for path in paths.lines() {
+        let content = fs::read_to_string(source)?;
-            filepaths.push(PathBuf::from(path));
+        paths = content
-        }
+            .lines()
+            .into_iter()
+            .map(|p| PathBuf::from(p.replace('~', &home)))
+            .collect();
     } else if let Some(files) = files {
-        for file in files {
+        paths = files;
-            filepaths.push(file);
-        }
     }
 
-    debug!("Filepaths collection finished (total: {})", filepaths.len());
+    debug!("Filepaths collection finished (total: {})", paths.len());
 
-    Ok(filepaths)
+    Ok(paths)
 }
 
 pub async fn metadata(
     files: &Vec<PathBuf>,
-) -> Result<(Vec<FileInfo>, HashMap<String, PathBuf>), Box<dyn Error + Send + Sync>> {
+) -> Result<(Vec<FileInfo>, HashMap<String, PathBuf>), Box<dyn Error>> {
     info!("Collecting metadata");
 
     let mut metadata = Vec::new();
     let mut index = HashMap::new();
 
     for path in files {
+        debug!("Collecting '{}' metadata", path.to_str().unwrap());
+
         let split = path.to_str().unwrap().split('/').collect::<Vec<&str>>();
         let name = split[split.len() - 1].to_string();
         let handle = File::open(path).await?;
@@ -90,8 +101,6 @@ pub async fn metadata(
         let hash = crypto::try_hash(path)?;
 
         if size > 0 {
-            debug!("Collecting '{}' metadata", name);
-
             let info = FileInfo::new(name, size, hash.clone());
             metadata.push(info);
             index.insert(hash, path.clone());
@@ -117,3 +126,21 @@ pub async fn new_file(
 
     Ok((BufWriter::new(handle), path))
 }
+
+pub async fn handle_exit(tx: Sender<()>) -> Result<(), Box<dyn Error>> {
+    let mut stdin = stdin().lock().bytes();
+
+    loop {
+        let k = match stdin.next() {
+            None => continue,
+            Some(k) => k?,
+        };
+
+        if k == b'q' {
+            tx.send(()).await?;
+            break;
+        }
+    }
+
+    Ok(())
+}