chore: upgrade version

feat: support range requests
feat: distinct upload and delete operation
2026-04-09 17:13:02 +03:00 · 2022-05-31 11:10:15 +08:00 · 2022-05-31 10:58:32 +08:00 · 2022-05-31 09:23:35 +08:00 · 2022-05-31 08:01:03 +08:00 · 2022-05-31 07:56:05 +08:00
7 changed files with 348 additions and 212 deletions
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -296,7 +296,7 @@ dependencies = [

 [[package]]
 name = "duf"
-version = "0.5.0"
+version = "0.6.0"
 dependencies = [
 "async-walkdir",
 "async_zip",
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "duf"
-version = "0.5.0"
+version = "0.6.0"
 edition = "2021"
 authors = ["sigoden <sigoden@gmail.com>"]
 description = "Duf is a simple file server."
--- a/README.md
+++ b/README.md
@@ -44,14 +44,25 @@ duf
 duf folder_name
 ```

-Only serve static files, disable editing operations such as update or delete
+Allow all operations such as upload, delete
+
 ```
-duf --readonly
+duf --allow-all
 ```

-Finally, run this command to see a list of all available option
+Only allow upload operations

-### Curl
+```
+duf --allow-upload
+```
+
+Use http authentication
+
+```
+duf --auth user:pass
+```
+
+### Api

 Download a file
 ```
--- a/src/args.rs
+++ b/src/args.rs
@@ -35,10 +35,20 @@ fn app() -> clap::Command<'static> {
                .help("Path to a directory for serving files"),
        )
        .arg(
-            Arg::new("readonly")
-                .short('r')
-                .long("readonly")
-                .help("Disable change operations such as update or delete"),
+            Arg::new("allow-all")
+                .short('A')
+                .long("allow-all")
+                .help("Allow all operations"),
+        )
+        .arg(
+            Arg::new("allow-upload")
+                .long("allow-upload")
+                .help("Allow upload operation"),
+        )
+        .arg(
+            Arg::new("allow-delete")
+                .long("allo-delete")
+                .help("Allow delete operation"),
        )
        .arg(
            Arg::new("auth")
@@ -68,9 +78,10 @@ pub struct Args {
    pub address: String,
    pub port: u16,
    pub path: PathBuf,
-    pub readonly: bool,
    pub auth: Option<String>,
    pub no_auth_read: bool,
+    pub allow_upload: bool,
+    pub allow_delete: bool,
    pub cors: bool,
 }

@@ -82,21 +93,22 @@ impl Args {
    pub fn parse(matches: ArgMatches) -> BoxResult<Args> {
        let address = matches.value_of("address").unwrap_or_default().to_owned();
        let port = matches.value_of_t::<u16>("port")?;
-        let path = matches.value_of_os("path").unwrap_or_default();
-        let path = Args::parse_path(path)?;
-        let readonly = matches.is_present("readonly");
+        let path = Args::parse_path(matches.value_of_os("path").unwrap_or_default())?;
        let cors = matches.is_present("cors");
        let auth = matches.value_of("auth").map(|v| v.to_owned());
        let no_auth_read = matches.is_present("no-auth-read");
+        let allow_upload = matches.is_present("allow-all") || matches.is_present("allow-upload");
+        let allow_delete = matches.is_present("allow-all") || matches.is_present("allow-delete");

        Ok(Args {
            address,
            port,
            path,
-            readonly,
            auth,
            no_auth_read,
            cors,
+            allow_delete,
+            allow_upload,
        })
    }

--- a/src/assets/index.html
+++ b/src/assets/index.html
@@ -4,7 +4,7 @@
 <head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width" />
-  __SLOB__
+  __SLOT__
 </head>
 <body>
  <div class="head">
--- a/src/assets/index.js
+++ b/src/assets/index.js
@@ -1,6 +1,6 @@
-var $toolbox, $tbody, $breadcrumb, $uploaders, $uploadControl;
-var uploaderIdx = 0;
-var baseDir;
+let $tbody, $uploaders;
+let uploaderIdx = 0;
+let baseDir;

 class Uploader {
  idx = 0;
@@ -12,8 +12,8 @@ class Uploader {
  }

  upload() {
-    var { file, idx } = this;
-    var url = getUrl(file.name);
+    const { file, idx } = this;
+    let url = getUrl(file.name);
    if (file.name == baseDir + ".zip") {
      url += "?unzip";
    }
@@ -24,35 +24,45 @@ class Uploader {
  </div>`);
    this.$elem = document.getElementById(`file${idx}`);

-    var ajax = new XMLHttpRequest();
+    const ajax = new XMLHttpRequest();
    ajax.upload.addEventListener("progress", e => this.progress(e), false);
-    ajax.addEventListener("load", e => this.complete(e), false);
-    ajax.addEventListener("error", e => this.fail(e), false);
-    ajax.addEventListener("abort", e => this.fail(e), false);
+    ajax.addEventListener("readystatechange", () => {
+      console.log(ajax.readyState, ajax.status)
+      if(ajax.readyState === 4) {
+        if (ajax.status == 200) {
+          this.complete();
+        } else {
+          this.fail();
+        }
+      }
+    })
+    ajax.addEventListener("error", () => this.fail(), false);
+    ajax.addEventListener("abort", () => this.fail(), false);
    ajax.open("PUT", url);
    ajax.send(file);
  }

  progress(event) {
-    var percent = (event.loaded / event.total) * 100;
+    const percent = (event.loaded / event.total) * 100;
    this.$elem.innerHTML = `${this.file.name} (${percent.toFixed(2)}%)`;
  }

-  complete(event) {
+  complete() {
    this.$elem.innerHTML = `${this.file.name}`;
  }

-  fail(event) {
+  fail() {
    this.$elem.innerHTML = `<strike>${this.file.name}</strike>`;
  }
 }

 function addBreadcrumb(value) {
-  var parts = value.split("/").filter(v => !!v);
-  var len = parts.length;
-  var path = "";
-  for (var i = 0; i < len; i++) {
-    var name = parts[i];
+  const $breadcrumb = document.querySelector(".breadcrumb");
+  const parts = value.split("/").filter(v => !!v);
+  const len = parts.length;
+  let path = "";
+  for (let i = 0; i < len; i++) {
+    const name = parts[i];
    if (i > 0) {
      path  += "/" + name;
    }
@@ -69,9 +79,9 @@ function addBreadcrumb(value) {
 }

 function addPath(file, index) {
-  var url = getUrl(file.name)
-  var actionDelete = "";
-  var actionDownload = "";
+  const url = getUrl(file.name)
+  let actionDelete = "";
+  let actionDownload = "";
  if (file.path_type.endsWith("Dir")) {
    actionDownload = `
    <div class="action-btn">
@@ -87,13 +97,13 @@ function addPath(file, index) {
      </a>
    </div>`;
  }
-  if (!DATA.readonly) {
+  if (DATA.allow_delete) {
    actionDelete = `
    <div onclick="deletePath(${index})" class="action-btn" id="deleteBtn${index}" title="Delete ${file.name}">
      <svg width="16" height="16" fill="currentColor"viewBox="0 0 16 16"><path d="M6.854 7.146a.5.5 0 1 0-.708.708L7.293 9l-1.147 1.146a.5.5 0 0 0 .708.708L8 9.707l1.146 1.147a.5.5 0 0 0 .708-.708L8.707 9l1.147-1.146a.5.5 0 0 0-.708-.708L8 8.293 6.854 7.146z"/><path d="M14 14V4.5L9.5 0H4a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h8a2 2 0 0 0 2-2zM9.5 3A1.5 1.5 0 0 0 11 4.5h2V14a1 1 0 0 1-1 1H4a1 1 0 0 1-1-1V2a1 1 0 0 1 1-1h5.5v2z"/></svg>
    </div>`;
  }
-  var actionCell = `
+  let actionCell = `
  <td class="cell-actions">
    ${actionDownload}
    ${actionDelete}
@@ -112,21 +122,27 @@ ${actionCell}
 }

 async function deletePath(index) {
-  var file = DATA.paths[index];
+  const file = DATA.paths[index];
  if (!file) return;

-  var ajax = new XMLHttpRequest();
-  ajax.open("DELETE", getUrl(file.name));
-  ajax.addEventListener("readystatechange", function() {
-    if(ajax.readyState === 4 && ajax.status === 200) {
-        document.getElementById(`addPath${index}`).remove();
-    }
+  if (!confirm(`Delete \`${file.name}\`?`)) return;
+
+  try {
+    const res = await fetch(getUrl(file.name), {
+      method: "DELETE",
    });
-  ajax.send();
+    if (res.status === 200) {
+        document.getElementById(`addPath${index}`).remove();
+    } else {
+      throw new Error(await res.text())
+    }
+  } catch (err) {
+    alert(`Cannot delete \`${file.name}\`, ${err.message}`);
+  }
 }

 function getUrl(name) {
-    var url = location.href.split('?')[0];
+    let url = location.href.split('?')[0];
    if (!url.endsWith("/")) url += "/";
    url += encodeURI(name);
    return url;
@@ -147,12 +163,12 @@ function getSvg(path_type) {

 function formatMtime(mtime) {
  if (!mtime) return ""
-  var date = new Date(mtime);
-  var year = date.getFullYear();
-  var month = padZero(date.getMonth() + 1, 2);
-  var day = padZero(date.getDate(), 2);
-  var hours = padZero(date.getHours(), 2);
-  var minutes = padZero(date.getMinutes(), 2);
+  const date = new Date(mtime);
+  const year = date.getFullYear();
+  const month = padZero(date.getMonth() + 1, 2);
+  const day = padZero(date.getDate(), 2);
+  const hours = padZero(date.getHours(), 2);
+  const minutes = padZero(date.getMinutes(), 2);
  return `${year}/${month}/${day} ${hours}:${minutes}`;
 }

@@ -162,28 +178,26 @@ function padZero(value, size) {

 function formatSize(size) {
  if (!size) return ""
-  var sizes = ['B', 'KB', 'MB', 'GB', 'TB'];
+  const sizes = ['B', 'KB', 'MB', 'GB', 'TB'];
  if (size == 0) return '0 Byte';
-  var i = parseInt(Math.floor(Math.log(size) / Math.log(1024)));
+  const i = parseInt(Math.floor(Math.log(size) / Math.log(1024)));
  return Math.round(size / Math.pow(1024, i), 2) + ' ' + sizes[i];
 }


 function ready() {
-  $toolbox = document.querySelector(".toolbox");
  $tbody = document.querySelector(".main tbody");
-  $breadcrumb = document.querySelector(".breadcrumb");
  $uploaders = document.querySelector(".uploaders");

  addBreadcrumb(DATA.breadcrumb);
  DATA.paths.forEach((file, index) => addPath(file, index));
-  if (!DATA.readonly) {
+  if (DATA.allow_upload) {
    document.querySelector(".upload-control").classList.remove(["hidden"]);
    document.getElementById("file").addEventListener("change", e => {
-      var files = e.target.files;
-      for (var file of files) {
+      const files = e.target.files;
+      for (let file of files) {
        uploaderIdx += 1;
-        var uploader = new Uploader(uploaderIdx, file);
+        const uploader = new Uploader(uploaderIdx, file);
        uploader.upload();
      }
    });
--- a/src/server.rs
+++ b/src/server.rs
@@ -7,8 +7,8 @@ use async_zip::Compression;
 use futures::stream::StreamExt;
 use futures::TryStreamExt;
 use headers::{
-    AccessControlAllowHeaders, AccessControlAllowOrigin, ContentType, ETag, HeaderMapExt,
-    IfModifiedSince, IfNoneMatch, LastModified,
+    AccessControlAllowHeaders, AccessControlAllowOrigin, ContentRange, ContentType, ETag,
+    HeaderMap, HeaderMapExt, IfModifiedSince, IfNoneMatch, IfRange, LastModified, Range,
 };
 use hyper::header::{HeaderValue, ACCEPT, CONTENT_TYPE, ORIGIN, RANGE, WWW_AUTHENTICATE};
 use hyper::service::{make_service_fn, service_fn};
@@ -16,11 +16,12 @@ use hyper::{Body, Method, StatusCode};
 use percent_encoding::percent_decode;
 use serde::Serialize;
 use std::convert::Infallible;
+use std::fs::Metadata;
 use std::path::{Path, PathBuf};
 use std::sync::Arc;
 use std::time::SystemTime;
 use tokio::fs::File;
-use tokio::io::AsyncWrite;
+use tokio::io::{AsyncReadExt, AsyncSeekExt, AsyncWrite};
 use tokio::{fs, io};
 use tokio_util::codec::{BytesCodec, FramedRead};
 use tokio_util::io::{ReaderStream, StreamReader};
@@ -28,20 +29,18 @@ use tokio_util::io::{ReaderStream, StreamReader};
 type Request = hyper::Request<Body>;
 type Response = hyper::Response<Body>;

-macro_rules! status_code {
-    ($status:expr) => {
-        hyper::Response::builder()
-            .status($status)
-            .body($status.canonical_reason().unwrap_or_default().into())
-            .unwrap()
-    };
-}
-
 const INDEX_HTML: &str = include_str!("assets/index.html");
 const INDEX_CSS: &str = include_str!("assets/index.css");
 const INDEX_JS: &str = include_str!("assets/index.js");
 const BUF_SIZE: usize = 1024 * 16;

+macro_rules! status {
+    ($res:ident, $status:expr) => {
+        *$res.status_mut() = $status;
+        *$res.body_mut() = Body::from($status.canonical_reason().unwrap_or_default());
+    };
+}
+
 pub async fn serve(args: Args) -> BoxResult<()> {
    let address = args.address()?;
    let inner = Arc::new(InnerService::new(args));
@@ -76,11 +75,20 @@ impl InnerService {
        let method = req.method().clone();
        let uri = req.uri().clone();
        let cors = self.args.cors;
-        let mut res = self
-            .handle(req)
-            .await
-            .unwrap_or_else(|_| status_code!(StatusCode::INTERNAL_SERVER_ERROR));
+
+        let mut res = match self.handle(req).await {
+            Ok(res) => {
                info!(r#""{} {}" - {}"#, method, uri, res.status());
+                res
+            }
+            Err(err) => {
+                let mut res = Response::default();
+                status!(res, StatusCode::INTERNAL_SERVER_ERROR);
+                error!(r#""{} {}" - {} {}"#, method, uri, res.status(), err);
+                res
+            }
+        };
+
        if cors {
            add_cors(&mut res);
        }
@@ -88,74 +96,87 @@ impl InnerService {
    }

    pub async fn handle(self: Arc<Self>, req: Request) -> BoxResult<Response> {
-        if !self.auth_guard(&req).unwrap_or_default() {
-            let mut res = status_code!(StatusCode::UNAUTHORIZED);
-            res.headers_mut()
-                .insert(WWW_AUTHENTICATE, HeaderValue::from_static("Basic"));
+        let mut res = Response::default();
+
+        if !self.auth_guard(&req, &mut res) {
            return Ok(res);
        }
+
+        let path = req.uri().path();
+
+        let filepath = match self.extract_path(path) {
+            Some(v) => v,
+            None => {
+                status!(res, StatusCode::FORBIDDEN);
+                return Ok(res);
+            }
+        };
+        let filepath = filepath.as_path();
+
+        let query = req.uri().query().unwrap_or_default();
+
+        let meta = fs::metadata(filepath).await.ok();
+        let is_miss = meta.is_none();
+        let is_dir = meta.map(|v| v.is_dir()).unwrap_or_default();
+        let is_file = !is_miss && !is_dir;
+
+        let allow_upload = self.args.allow_upload;
+        let allow_delete = self.args.allow_delete;
+
        match *req.method() {
-            Method::GET => self.handle_static(req).await,
-            Method::PUT => {
-                if self.args.readonly {
-                    return Ok(status_code!(StatusCode::FORBIDDEN));
+            Method::GET if is_dir && query == "zip" => {
+                self.handle_zip_dir(filepath, &mut res).await?
            }
-                self.handle_upload(req).await
+            Method::GET if is_dir && query.starts_with("q=") => {
+                self.handle_query_dir(filepath, &query[3..], &mut res)
+                    .await?
            }
-            Method::OPTIONS => Ok(status_code!(StatusCode::NO_CONTENT)),
-            Method::DELETE => self.handle_delete(req).await,
-            _ => Ok(status_code!(StatusCode::NOT_FOUND)),
+            Method::GET if is_file => {
+                self.handle_send_file(filepath, req.headers(), &mut res)
+                    .await?
+            }
+            Method::GET if is_miss && path.ends_with('/') => {
+                self.handle_ls_dir(filepath, false, &mut res).await?
+            }
+            Method::GET => self.handle_ls_dir(filepath, true, &mut res).await?,
+            Method::OPTIONS => {
+                status!(res, StatusCode::NO_CONTENT);
+            }
+            Method::PUT if !allow_upload || (!allow_delete && is_file) => {
+                status!(res, StatusCode::FORBIDDEN);
+            }
+            Method::PUT => self.handle_upload(filepath, req, &mut res).await?,
+            Method::DELETE if !allow_delete => {
+                status!(res, StatusCode::FORBIDDEN);
+            }
+            Method::DELETE if !is_miss => self.handle_delete(filepath, is_dir).await?,
+            _ => {
+                status!(res, StatusCode::NOT_FOUND);
            }
        }

-    async fn handle_static(&self, req: Request) -> BoxResult<Response> {
-        let req_path = req.uri().path();
-        let path = match self.get_file_path(req_path)? {
-            Some(path) => path,
-            None => return Ok(status_code!(StatusCode::FORBIDDEN)),
-        };
-        match fs::metadata(&path).await {
-            Ok(meta) => {
-                if meta.is_dir() {
-                    let req_query = req.uri().query().unwrap_or_default();
-                    if req_query == "zip" {
-                        return self.handle_send_dir_zip(path.as_path()).await;
-                    }
-                    if let Some(q) = req_query.strip_prefix("q=") {
-                        return self.handle_query_dir(path.as_path(), q).await;
-                    }
-                    self.handle_ls_dir(path.as_path(), true).await
-                } else {
-                    self.handle_send_file(&req, path.as_path()).await
-                }
-            }
-            Err(_) => {
-                if req_path.ends_with('/') {
-                    self.handle_ls_dir(path.as_path(), false).await
-                } else {
-                    Ok(status_code!(StatusCode::NOT_FOUND))
-                }
-            }
-        }
+        Ok(res)
    }

-    async fn handle_upload(&self, mut req: Request) -> BoxResult<Response> {
-        let forbidden = status_code!(StatusCode::FORBIDDEN);
-        let path = match self.get_file_path(req.uri().path())? {
-            Some(path) => path,
-            None => return Ok(forbidden),
-        };
-
-        match path.parent() {
+    async fn handle_upload(
+        &self,
+        path: &Path,
+        mut req: Request,
+        res: &mut Response,
+    ) -> BoxResult<()> {
+        let ensure_parent = match path.parent() {
            Some(parent) => match fs::metadata(parent).await {
-                Ok(meta) => {
-                    if !meta.is_dir() {
-                        return Ok(forbidden);
+                Ok(meta) => meta.is_dir(),
+                Err(_) => {
+                    fs::create_dir_all(parent).await?;
+                    true
                }
-                }
-                Err(_) => fs::create_dir_all(parent).await?,
            },
-            None => return Ok(forbidden),
+            None => false,
+        };
+        if !ensure_parent {
+            status!(res, StatusCode::FORBIDDEN);
+            return Ok(());
        }

        let mut file = fs::File::create(&path).await?;
@@ -194,39 +215,37 @@ impl InnerService {
            fs::remove_file(&path).await?;
        }

-        return Ok(status_code!(StatusCode::OK));
+        Ok(())
    }

-    async fn handle_delete(&self, req: Request) -> BoxResult<Response> {
-        let path = match self.get_file_path(req.uri().path())? {
-            Some(path) => path,
-            None => return Ok(status_code!(StatusCode::FORBIDDEN)),
-        };
-
-        let meta = fs::metadata(&path).await?;
-        if meta.is_file() {
-            fs::remove_file(path).await?;
-        } else {
-            fs::remove_dir_all(path).await?;
+    async fn handle_delete(&self, path: &Path, is_dir: bool) -> BoxResult<()> {
+        match is_dir {
+            true => fs::remove_dir_all(path).await?,
+            false => fs::remove_file(path).await?,
        }
-        Ok(status_code!(StatusCode::OK))
+        Ok(())
    }

-    async fn handle_ls_dir(&self, path: &Path, exist: bool) -> BoxResult<Response> {
+    async fn handle_ls_dir(&self, path: &Path, exist: bool, res: &mut Response) -> BoxResult<()> {
        let mut paths: Vec<PathItem> = vec![];
        if exist {
            let mut rd = fs::read_dir(path).await?;
            while let Some(entry) = rd.next_entry().await? {
                let entry_path = entry.path();
-                if let Ok(item) = get_path_item(entry_path, path.to_path_buf()).await {
+                if let Ok(item) = to_pathitem(entry_path, path.to_path_buf()).await {
                    paths.push(item);
                }
            }
        }
-        self.send_index(path, paths)
+        self.send_index(path, paths, res)
    }

-    async fn handle_query_dir(&self, path: &Path, q: &str) -> BoxResult<Response> {
+    async fn handle_query_dir(
+        &self,
+        path: &Path,
+        query: &str,
+        res: &mut Response,
+    ) -> BoxResult<()> {
        let mut paths: Vec<PathItem> = vec![];
        let mut walkdir = WalkDir::new(path);
        while let Some(entry) = walkdir.next().await {
@@ -235,22 +254,22 @@ impl InnerService {
                    .file_name()
                    .to_string_lossy()
                    .to_lowercase()
-                    .contains(&q.to_lowercase())
+                    .contains(&query.to_lowercase())
                {
                    continue;
                }
                if fs::symlink_metadata(entry.path()).await.is_err() {
                    continue;
                }
-                if let Ok(item) = get_path_item(entry.path(), path.to_path_buf()).await {
+                if let Ok(item) = to_pathitem(entry.path(), path.to_path_buf()).await {
                    paths.push(item);
                }
            }
        }
-        self.send_index(path, paths)
+        self.send_index(path, paths, res)
    }

-    async fn handle_send_dir_zip(&self, path: &Path) -> BoxResult<Response> {
+    async fn handle_zip_dir(&self, path: &Path, res: &mut Response) -> BoxResult<()> {
        let (mut writer, reader) = tokio::io::duplex(BUF_SIZE);
        let path = path.to_owned();
        tokio::spawn(async move {
@@ -259,49 +278,81 @@ impl InnerService {
            }
        });
        let stream = ReaderStream::new(reader);
-        let body = Body::wrap_stream(stream);
-        Ok(Response::new(body))
+        *res.body_mut() = Body::wrap_stream(stream);
+        Ok(())
    }

-    async fn handle_send_file(&self, req: &Request, path: &Path) -> BoxResult<Response> {
+    async fn handle_send_file(
+        &self,
+        path: &Path,
+        headers: &HeaderMap<HeaderValue>,
+        res: &mut Response,
+    ) -> BoxResult<()> {
        let (file, meta) = tokio::join!(fs::File::open(path), fs::metadata(path),);
-        let (file, meta) = (file?, meta?);
-        let mut res = Response::default();
-        if let Ok(mtime) = meta.modified() {
-            let timestamp = get_timestamp(&mtime);
-            let size = meta.len();
-            let etag = format!(r#""{}-{}""#, timestamp, size)
-                .parse::<ETag>()
-                .unwrap();
-            let last_modified = LastModified::from(mtime);
-            let fresh = {
-                // `If-None-Match` takes presedence over `If-Modified-Since`.
-                if let Some(if_none_match) = req.headers().typed_get::<IfNoneMatch>() {
+        let (mut file, meta) = (file?, meta?);
+        let mut maybe_range = true;
+        if let Some((etag, last_modified)) = extract_cache_headers(&meta) {
+            let cached = {
+                if let Some(if_none_match) = headers.typed_get::<IfNoneMatch>() {
                    !if_none_match.precondition_passes(&etag)
-                } else if let Some(if_modified_since) = req.headers().typed_get::<IfModifiedSince>()
-                {
-                    !if_modified_since.is_modified(mtime)
+                } else if let Some(if_modified_since) = headers.typed_get::<IfModifiedSince>() {
+                    !if_modified_since.is_modified(last_modified.into())
                } else {
                    false
                }
            };
            res.headers_mut().typed_insert(last_modified);
-            res.headers_mut().typed_insert(etag);
-            if fresh {
-                *res.status_mut() = StatusCode::NOT_MODIFIED;
-                return Ok(res);
+            res.headers_mut().typed_insert(etag.clone());
+            if cached {
+                status!(res, StatusCode::NOT_MODIFIED);
+                return Ok(());
+            }
+            if headers.typed_get::<Range>().is_some() {
+                maybe_range = headers
+                    .typed_get::<IfRange>()
+                    .map(|if_range| !if_range.is_modified(Some(&etag), Some(&last_modified)))
+                    // Always be fresh if there is no validators
+                    .unwrap_or(true);
+            } else {
+                maybe_range = false;
            }
        }
+        let file_range = if maybe_range {
+            if let Some(content_range) = headers
+                .typed_get::<Range>()
+                .and_then(|range| to_content_range(&range, meta.len()))
+            {
+                res.headers_mut().typed_insert(content_range.clone());
+                *res.status_mut() = StatusCode::PARTIAL_CONTENT;
+                content_range.bytes_range()
+            } else {
+                None
+            }
+        } else {
+            None
+        };
        if let Some(mime) = mime_guess::from_path(&path).first() {
            res.headers_mut().typed_insert(ContentType::from(mime));
        }
+        let body = if let Some((begin, end)) = file_range {
+            file.seek(io::SeekFrom::Start(begin)).await?;
+            let stream = FramedRead::new(file.take(end - begin + 1), BytesCodec::new());
+            Body::wrap_stream(stream)
+        } else {
            let stream = FramedRead::new(file, BytesCodec::new());
-        let body = Body::wrap_stream(stream);
+            Body::wrap_stream(stream)
+        };
        *res.body_mut() = body;
-        Ok(res)
+
+        Ok(())
    }

-    fn send_index(&self, path: &Path, mut paths: Vec<PathItem>) -> BoxResult<Response> {
+    fn send_index(
+        &self,
+        path: &Path,
+        mut paths: Vec<PathItem>,
+        res: &mut Response,
+    ) -> BoxResult<()> {
        paths.sort_unstable();
        let rel_path = match self.args.path.parent() {
            Some(p) => path.strip_prefix(p).unwrap(),
@@ -310,14 +361,15 @@ impl InnerService {
        let data = IndexData {
            breadcrumb: normalize_path(rel_path),
            paths,
-            readonly: self.args.readonly,
+            allow_upload: self.args.allow_upload,
+            allow_delete: self.args.allow_delete,
        };
        let data = serde_json::to_string(&data).unwrap();
        let output = INDEX_HTML.replace(
-            "__SLOB__",
+            "__SLOT__",
            &format!(
                r#"
-<title>Files in {} - Duf/</title>
+<title>Files in {}/ - Duf</title>
 <style>{}</style>
 <script>var DATA = {}; {}</script>
 "#,
@@ -327,44 +379,51 @@ impl InnerService {
                INDEX_JS
            ),
        );
+        *res.body_mut() = output.into();

-        Ok(Response::new(output.into()))
+        Ok(())
    }

-    fn auth_guard(&self, req: &Request) -> BoxResult<bool> {
-        if let Some(auth) = &self.args.auth {
-            if let Some(value) = req.headers().get("Authorization") {
-                let value = value.to_str()?;
-                let value = if value.contains("Basic ") {
-                    &value[6..]
-                } else {
-                    return Ok(false);
+    fn auth_guard(&self, req: &Request, res: &mut Response) -> bool {
+        let pass = {
+            match &self.args.auth {
+                None => true,
+                Some(auth) => match req.headers().get("Authorization") {
+                    Some(value) => match value.to_str().ok().map(|v| {
+                        let mut it = v.split(' ');
+                        (it.next(), it.next())
+                    }) {
+                        Some((Some("Basic"), Some(tail))) => base64::decode(tail)
+                            .ok()
+                            .and_then(|v| String::from_utf8(v).ok())
+                            .map(|v| v.as_str() == auth)
+                            .unwrap_or_default(),
+                        _ => false,
+                    },
+                    None => self.args.no_auth_read && req.method() == Method::GET,
+                },
+            }
        };
-                let value = base64::decode(value)?;
-                let value = std::str::from_utf8(&value)?;
-                return Ok(value == auth);
-            } else {
-                if self.args.no_auth_read && req.method() == Method::GET {
-                    return Ok(true);
+        if !pass {
+            status!(res, StatusCode::UNAUTHORIZED);
+            res.headers_mut()
+                .insert(WWW_AUTHENTICATE, HeaderValue::from_static("Basic"));
        }
-                return Ok(false);
-            }
-        }
-        Ok(true)
+        pass
    }

-    fn get_file_path(&self, path: &str) -> BoxResult<Option<PathBuf>> {
-        let decoded_path = percent_decode(path[1..].as_bytes()).decode_utf8()?;
+    fn extract_path(&self, path: &str) -> Option<PathBuf> {
+        let decoded_path = percent_decode(path[1..].as_bytes()).decode_utf8().ok()?;
        let slashes_switched = if cfg!(windows) {
            decoded_path.replace('/', "\\")
        } else {
            decoded_path.into_owned()
        };
-        let path = self.args.path.join(&slashes_switched);
-        if path.starts_with(&self.args.path) {
-            Ok(Some(path))
+        let full_path = self.args.path.join(&slashes_switched);
+        if full_path.starts_with(&self.args.path) {
+            Some(full_path)
        } else {
-            Ok(None)
+            None
        }
    }
 }
@@ -373,7 +432,8 @@ impl InnerService {
 struct IndexData {
    breadcrumb: String,
    paths: Vec<PathItem>,
-    readonly: bool,
+    allow_upload: bool,
+    allow_delete: bool,
 }

 #[derive(Debug, Serialize, Eq, PartialEq, Ord, PartialOrd)]
@@ -392,7 +452,7 @@ enum PathType {
    SymlinkFile,
 }

-async fn get_path_item<P: AsRef<Path>>(path: P, base_path: P) -> BoxResult<PathItem> {
+async fn to_pathitem<P: AsRef<Path>>(path: P, base_path: P) -> BoxResult<PathItem> {
    let path = path.as_ref();
    let rel_path = path.strip_prefix(base_path).unwrap();
    let (meta, meta2) = tokio::join!(fs::metadata(&path), fs::symlink_metadata(&path));
@@ -405,7 +465,7 @@ async fn get_path_item<P: AsRef<Path>>(path: P, base_path: P) -> BoxResult<PathI
        (true, false) => PathType::SymlinkFile,
        (false, false) => PathType::File,
    };
-    let mtime = get_timestamp(&meta.modified()?);
+    let mtime = to_timestamp(&meta.modified()?);
    let size = match path_type {
        PathType::Dir | PathType::SymlinkDir => None,
        PathType::File | PathType::SymlinkFile => Some(meta.len()),
@@ -419,7 +479,7 @@ async fn get_path_item<P: AsRef<Path>>(path: P, base_path: P) -> BoxResult<PathI
    })
 }

-fn get_timestamp(time: &SystemTime) -> u64 {
+fn to_timestamp(time: &SystemTime) -> u64 {
    time.duration_since(SystemTime::UNIX_EPOCH)
        .unwrap()
        .as_millis() as u64
@@ -470,3 +530,42 @@ async fn dir_zip<W: AsyncWrite + Unpin>(writer: &mut W, dir: &Path) -> BoxResult
    writer.close().await?;
    Ok(())
 }
+
+fn extract_cache_headers(meta: &Metadata) -> Option<(ETag, LastModified)> {
+    let mtime = meta.modified().ok()?;
+    let timestamp = to_timestamp(&mtime);
+    let size = meta.len();
+    let etag = format!(r#""{}-{}""#, timestamp, size)
+        .parse::<ETag>()
+        .unwrap();
+    let last_modified = LastModified::from(mtime);
+    Some((etag, last_modified))
+}
+
+fn to_content_range(range: &Range, complete_length: u64) -> Option<ContentRange> {
+    use core::ops::Bound::{Included, Unbounded};
+    let mut iter = range.iter();
+    let bounds = iter.next();
+
+    if iter.next().is_some() {
+        // Found multiple byte-range-spec. Drop.
+        return None;
+    }
+
+    bounds.and_then(|b| match b {
+        (Included(start), Included(end)) if start <= end && start < complete_length => {
+            ContentRange::bytes(
+                start..=end.min(complete_length.saturating_sub(1)),
+                complete_length,
+            )
+            .ok()
+        }
+        (Included(start), Unbounded) if start < complete_length => {
+            ContentRange::bytes(start.., complete_length).ok()
+        }
+        (Unbounded, Included(end)) if end > 0 => {
+            ContentRange::bytes(complete_length.saturating_sub(end).., complete_length).ok()
+        }
+        _ => None,
+    })
+}
Author	SHA1	Message	Date
sigoden	ec60752ba2	chore: upgrade version	2022-05-31 11:10:15 +08:00
sigoden	ed7f5e425a	feat: support range requests	2022-05-31 10:58:32 +08:00
sigoden	3032052923	feat: distinct upload and delete operation	2022-05-31 09:23:35 +08:00
sigoden	be3ae2fe00	feat: delete confirm close #1	2022-05-31 08:01:03 +08:00
sigoden	fb03f7ddb8	refactor: improve code quality	2022-05-31 07:56:05 +08:00