From 8794fdef5134bc6b5b2c4e1e5708c1825aa8281e Mon Sep 17 00:00:00 2001
From: WhizSid <whizsid@aol.com>
Date: Thu, 10 Sep 2020 15:56:17 +0530
Subject: [PATCH 1/7] Routing

---
 Cargo.lock            | 818 +++++++++++++++++++++---------------------
 Cargo.toml            |   3 +
 src/server/index.html |   3 +
 src/server/send.rs    |  25 +-
 src/server/serve.rs   | 143 +++++---
 src/server/style.css  |   6 +-
 6 files changed, 531 insertions(+), 467 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 44d86f1..76c452c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,1265 +4,1273 @@
 name = "adler"
 version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee2a4ec343196209d6594e19543ae87a39f96d5534d7174822a3ad825dd6ed7e"
 
 [[package]]
 name = "aho-corasick"
 version = "0.7.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "043164d8ba5c4c3035fec9bbee8647c0261d788f3474306f93bb65901cae0e86"
 dependencies = [
- "memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr",
 ]
 
 [[package]]
 name = "alloc-no-stdlib"
 version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5192ec435945d87bc2f70992b4d818154b5feede43c09fb7592146374eac90a6"
 
 [[package]]
 name = "alloc-stdlib"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "697ed7edc0f1711de49ce108c541623a0af97c6c60b2f6e2b65229847ac843c2"
 dependencies = [
- "alloc-no-stdlib 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "alloc-no-stdlib",
 ]
 
 [[package]]
 name = "autocfg"
 version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
 [[package]]
 name = "base64"
 version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3441f0f7b02788e948e47f457ca01f1d7e6d92c693bc132c22b087d3141c03ff"
 
 [[package]]
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 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
 [[package]]
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 version = "0.7.3"
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+checksum = "c0940dc441f31689269e10ac70eb1002a3a1d3ad1390e030043662eb7fe4688b"
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- "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "block-padding",
+ "byte-tools",
+ "byteorder",
+ "generic-array",
 ]
 
 [[package]]
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 [[package]]
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- "brotli-decompressor 2.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "alloc-no-stdlib",
+ "alloc-stdlib",
+ "brotli-decompressor",
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 [[package]]
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 [[package]]
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-"checksum textwrap 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
-"checksum thread_local 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d40c6d1b69745a6ec6fb1ca717914848da4b44ae29d9b3080cbee91d72a69b14"
-"checksum time 0.1.44 (registry+https://github.com/rust-lang/crates.io-index)" = "6db9e6914ab8b1ae1c260a4ae7a49b6c5611b40328a735b21862567685e73255"
-"checksum tokio 0.2.22 (registry+https://github.com/rust-lang/crates.io-index)" = "5d34ca54d84bf2b5b4d7d31e901a8464f7b60ac145a284fba25ceb801f2ddccd"
-"checksum tokio-macros 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "f0c3acc6aa564495a0f2e1d59fab677cd7f81a19994cfc7f3ad0e64301560389"
-"checksum tokio-util 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "be8242891f2b6cbef26a2d7e8605133c2c554cd35b3e4948ea892d6d68436499"
-"checksum tower-service 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e987b6bf443f4b5b3b6f38704195592cca41c5bb7aedd3c3693c7081f8289860"
-"checksum tracing 0.1.19 (registry+https://github.com/rust-lang/crates.io-index)" = "6d79ca061b032d6ce30c660fded31189ca0b9922bf483cd70759f13a2d86786c"
-"checksum tracing-core 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)" = "4f0e00789804e99b20f12bc7003ca416309d28a6f495d6af58d1e2c2842461b5"
-"checksum try-lock 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
-"checksum typenum 1.12.0 (registry+https://github.com/rust-lang/crates.io-index)" = "373c8a200f9e67a0c95e62a4f52fbf80c23b4381c05a17845531982fa99e6b33"
-"checksum ucd-trie 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "56dee185309b50d1f11bfedef0fe6d036842e3fb77413abef29f8f8d1c5d4c1c"
-"checksum unic-char-property 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a8c57a407d9b6fa02b4795eb81c5b6652060a15a7903ea981f3d723e6c0be221"
-"checksum unic-char-range 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0398022d5f700414f6b899e10b8348231abf9173fa93144cbc1a43b9793c1fbc"
-"checksum unic-common 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "80d7ff825a6a654ee85a63e80f92f054f904f21e7d12da4e22f9834a4aaa35bc"
-"checksum unic-segment 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e4ed5d26be57f84f176157270c112ef57b86debac9cd21daaabbe56db0f88f23"
-"checksum unic-ucd-segment 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2079c122a62205b421f499da10f3ee0f7697f012f55b675e002483c73ea34700"
-"checksum unic-ucd-version 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "96bd2f2237fe450fcd0a1d2f5f4e91711124f7857ba2e964247776ebeeb7b0c4"
-"checksum unicase 2.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "50f37be617794602aabbeee0be4f259dc1778fabe05e2d67ee8f79326d5cb4f6"
-"checksum unicode-width 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "9337591893a19b88d8d87f2cec1e73fad5cdfd10e5a6f349f498ad6ea2ffb1e3"
-"checksum unicode-xid 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
-"checksum version_check 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b5a972e5669d67ba988ce3dc826706fb0a8b01471c088cb0b6110b805cc36aed"
-"checksum walkdir 2.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "777182bc735b6424e1a57516d35ed72cb8019d85c8c9bf536dccb3445c1a2f7d"
-"checksum want 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1ce8a968cb1cd110d136ff8b819a556d6fb6d919363c61534f6860c7eb172ba0"
-"checksum wasi 0.10.0+wasi-snapshot-preview1 (registry+https://github.com/rust-lang/crates.io-index)" = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
-"checksum wasi 0.9.0+wasi-snapshot-preview1 (registry+https://github.com/rust-lang/crates.io-index)" = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
-"checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
-"checksum winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
-"checksum winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
-"checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
-"checksum winapi-util 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
-"checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
-"checksum ws2_32-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e"
+ "winapi 0.2.8",
+ "winapi-build",
+]
diff --git a/Cargo.toml b/Cargo.toml
index 7b7d668..2103f12 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -31,6 +31,9 @@ serde = { version = "1.0", features = ["derive"] } # For tera serializing variab
 ignore = "0.4" # Respect to .gitignore while listing directories.
 # Logging
 chrono = "0.4"
+# Directory Download
+qstring = "0.7.2"
+zip = "0.5.7"
 
 [dev-dependencies]
 tempdir = "0.3"
diff --git a/src/server/index.html b/src/server/index.html
index d0c37f0..840f01b 100644
--- a/src/server/index.html
+++ b/src/server/index.html
@@ -18,6 +18,9 @@
         {% endif %}
         <span class="separator">/</span>
       {% endfor %}
+      <a href="/{{ path | safe | urlencode }}?action=zip" title="Download folder as .zip file">
+        <svg height="16" width="16" viewBox="0 0 24 24" ><path fill-rule="evenodd" d="M20.54 5.23l-1.39-1.68C18.88 3.21 18.47 3 18 3H6c-.47 0-.88.21-1.16.55L3.46 5.23C3.17 5.57 3 6.02 3 6.5V19c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V6.5c0-.48-.17-.93-.46-1.27zM12 17.5L6.5 12H10v-2h4v2h3.5L12 17.5zM5.12 5l.81-1h12l.94 1H5.12z"></path></svg>
+      </a>
     </div>
     <ul>
       {% for file in files %}
diff --git a/src/server/send.rs b/src/server/send.rs
index 16c8610..aa5c179 100644
--- a/src/server/send.rs
+++ b/src/server/send.rs
@@ -86,17 +86,13 @@ pub fn send_dir<P1: AsRef<Path>, P2: AsRef<Path>>(
     } else {
         // CWD == sub dir of base dir
         // Append an item for popping back to parent directory.
+
         let path = format!(
             "{}/{}",
             prefix,
-            dir_path
-                .parent()
-                .unwrap()
-                .strip_prefix(base_path)
-                .unwrap()
-                .to_str()
-                .unwrap()
+            dir_path.parent().unwrap().strip_prefix(base_path).unwrap().to_str().unwrap()
         );
+
         vec![Item {
             name: "..".to_owned(),
             path,
@@ -109,7 +105,9 @@ pub fn send_dir<P1: AsRef<Path>, P2: AsRef<Path>>(
     // Sort files (dir-first and lexicographic ordering).
     files.sort_unstable();
 
-    Ok(render(dir_path.filename_str(), &files, &breadcrumbs).into())
+    let dir_path_str = dir_path.strip_prefix(base_path).unwrap().to_str().unwrap();
+
+    Ok(render(dir_path_str,dir_path.filename_str(), &files, &breadcrumbs).into())
 }
 
 /// Send a buffer of file to client.
@@ -121,6 +119,12 @@ pub fn send_file<P: AsRef<Path>>(file_path: P) -> io::Result<Vec<u8>> {
     Ok(buffer)
 }
 
+pub fn send_dir_as_zip<P1: AsRef<Path>, P2: AsRef<Path>>(base_path: P1, dir_path: P2)-> io::Result<Vec<u8>> {
+    let mut buffer = Vec::new();
+
+    Ok(buffer)
+}
+
 /// Send a buffer with specific range.
 ///
 /// # Parameters
@@ -177,9 +181,10 @@ fn create_breadcrumbs<'a>(
 }
 
 /// Render page with Tera template engine.
-fn render(dir_name: &str, files: &[Item], breadcrumbs: &[Breadcrumb]) -> String {
+fn render(path: &str, dir_name: &str, files: &[Item], breadcrumbs: &[Breadcrumb]) -> String {
     let mut ctx = Context::new();
     ctx.insert("dir_name", dir_name);
+    ctx.insert("path", path);
     ctx.insert("files", files);
     ctx.insert("breadcrumbs", breadcrumbs);
     ctx.insert("style", include_str!("style.css"));
@@ -193,7 +198,7 @@ mod t {
 
     #[test]
     fn render_successfully() {
-        let page = render("", &vec![], &vec![]);
+        let page = render("","", &vec![], &vec![]);
         assert!(page.starts_with("<!DOCTYPE html>"))
     }
     #[test]
diff --git a/src/server/serve.rs b/src/server/serve.rs
index 14fff66..5fba106 100644
--- a/src/server/serve.rs
+++ b/src/server/serve.rs
@@ -23,6 +23,7 @@ use hyper::StatusCode;
 use ignore::gitignore::Gitignore;
 use mime_guess::mime;
 use percent_encoding::percent_decode;
+use qstring::QString;
 use serde::Serialize;
 
 use crate::cli::Args;
@@ -30,7 +31,7 @@ use crate::extensions::{MimeExt, PathExt, SystemTimeExt};
 use crate::http::conditional_requests::{is_fresh, is_precondition_failed};
 use crate::http::content_encoding::{compress, get_prior_encoding};
 use crate::http::range_requests::{is_range_fresh, is_satisfiable_range};
-use crate::server::send::{send_dir, send_file, send_file_with_range};
+use crate::server::send::{send_dir, send_file, send_file_with_range, send_dir_as_zip};
 use crate::server::{res, Request, Response};
 use crate::BoxResult;
 
@@ -71,6 +72,12 @@ pub async fn serve(args: Args) -> BoxResult<()> {
     Ok(())
 }
 
+enum Action {
+    DownloadZip,
+    ListDir,
+    DownloadFile,
+}
+
 struct InnerService {
     args: Args,
     gitignore: Gitignore,
@@ -239,6 +246,33 @@ impl InnerService {
             None => return Ok(res::not_found(res)),
         };
 
+        let action = match req.uri().query() {
+            Some(query) => {
+                let query = QString::from(query);
+
+                match query.get("action") {
+                    Some(action_str) => match action_str {
+                        "zip" => Action::DownloadZip,
+                        _ => unimplemented!(),
+                    },
+                    None => {
+                        if path.is_dir() {
+                            Action::ListDir
+                        } else {
+                            Action::DownloadFile
+                        }
+                    }
+                }
+            }
+            None => {
+                if path.is_dir() {
+                    Action::ListDir
+                } else {
+                    Action::DownloadFile
+                }
+            }
+        };
+
         // CORS headers
         self.enable_cors(&mut res);
 
@@ -258,64 +292,71 @@ impl InnerService {
         let mut body: io::Result<Vec<u8>> = Ok(Vec::new());
 
         // Extra process for serving files.
-        if path.is_dir() {
-            body = send_dir(
-                &path,
-                &self.args.path,
-                self.args.all,
-                self.args.ignore,
-                self.args.path_prefix.as_deref(),
-            );
-        } else {
-            // Cache-Control.
-            self.enable_cache_control(&mut res);
-
-            // Last-Modified-Time from file metadata _mtime_.
-            let (mtime, size) = (path.mtime(), path.size());
-            let last_modified = LastModified::from(mtime);
-            // Concatenate _modified time_ and _file size_ to
-            // form a (nearly) strong validator.
-            let etag = format!(r#""{}-{}""#, mtime.timestamp(), size)
-                .parse::<ETag>()
-                .unwrap();
-
-            // Validate preconditions of conditional requests.
-            if is_precondition_failed(&req, &etag, mtime) {
-                return Ok(res::precondition_failed(res));
+        match action {
+            Action::ListDir => {
+                body = send_dir(
+                    &path,
+                    &self.args.path,
+                    self.args.all,
+                    self.args.ignore,
+                    self.args.path_prefix.as_deref(),
+                );
             }
+            Action::DownloadFile => {
+                // Cache-Control.
+                self.enable_cache_control(&mut res);
+
+                // Last-Modified-Time from file metadata _mtime_.
+                let (mtime, size) = (path.mtime(), path.size());
+                let last_modified = LastModified::from(mtime);
+                // Concatenate _modified time_ and _file size_ to
+                // form a (nearly) strong validator.
+                let etag = format!(r#""{}-{}""#, mtime.timestamp(), size)
+                    .parse::<ETag>()
+                    .unwrap();
+
+                // Validate preconditions of conditional requests.
+                if is_precondition_failed(&req, &etag, mtime) {
+                    return Ok(res::precondition_failed(res));
+                }
 
-            // Validate cache freshness.
-            if is_fresh(&req, &etag, mtime) {
-                res.headers_mut().typed_insert(last_modified);
-                res.headers_mut().typed_insert(etag);
-                return Ok(res::not_modified(res));
-            }
+                // Validate cache freshness.
+                if is_fresh(&req, &etag, mtime) {
+                    res.headers_mut().typed_insert(last_modified);
+                    res.headers_mut().typed_insert(etag);
+                    return Ok(res::not_modified(res));
+                }
 
-            // Range Request support.
-            if let Some(range) = req.headers().typed_get::<Range>() {
-                match (
-                    is_range_fresh(&req, &etag, &last_modified),
-                    is_satisfiable_range(&range, size as u64),
-                ) {
-                    (true, Some(content_range)) => {
-                        // 206 Partial Content.
-                        if let Some(range) = content_range.bytes_range() {
-                            body = send_file_with_range(&path, range);
+                // Range Request support.
+                if let Some(range) = req.headers().typed_get::<Range>() {
+                    match (
+                        is_range_fresh(&req, &etag, &last_modified),
+                        is_satisfiable_range(&range, size as u64),
+                    ) {
+                        (true, Some(content_range)) => {
+                            // 206 Partial Content.
+                            if let Some(range) = content_range.bytes_range() {
+                                body = send_file_with_range(&path, range);
+                            }
+                            res.headers_mut().typed_insert(content_range);
+                            *res.status_mut() = StatusCode::PARTIAL_CONTENT;
                         }
-                        res.headers_mut().typed_insert(content_range);
-                        *res.status_mut() = StatusCode::PARTIAL_CONTENT;
+                        // Respond entire entity if Range header contains
+                        // unsatisfiable range.
+                        _ => (),
                     }
-                    // Respond entire entity if Range header contains
-                    // unsatisfiable range.
-                    _ => (),
                 }
-            }
 
-            if res.status() != StatusCode::PARTIAL_CONTENT {
-                body = send_file(&path);
+                if res.status() != StatusCode::PARTIAL_CONTENT {
+                    body = send_file(&path);
+                }
+                res.headers_mut().typed_insert(last_modified);
+                res.headers_mut().typed_insert(etag);
+            }
+            Action::DownloadZip=>{
+               res.headers_mut().typed_insert(ContentType::octet_stream());
+               body = send_dir_as_zip(&self.args.path,&path);
             }
-            res.headers_mut().typed_insert(last_modified);
-            res.headers_mut().typed_insert(etag);
         }
 
         let mut body = body?;
diff --git a/src/server/style.css b/src/server/style.css
index 1b287f2..929954c 100644
--- a/src/server/style.css
+++ b/src/server/style.css
@@ -47,12 +47,16 @@ li div {
   width: 1.5em;
 }
 
-li svg {
+li svg, .breadcrumbs svg {
   height: 100%;
   fill: rgba(3,47,98,0.5);
   padding-right: 0.5em;
 }
 
+.breadcrumbs svg {
+  padding-left: 0.5em;
+}
+
 li a {
   color: #0366d6;
   text-overflow: ellipsis;

From 5fdc431e43e7516c91e3bde0f898a52216134e45 Mon Sep 17 00:00:00 2001
From: WhizSid <whizsid@aol.com>
Date: Fri, 11 Sep 2020 12:39:29 +0530
Subject: [PATCH 2/7] Paths to iterator

---
 Cargo.lock          | 84 ++++++++++++++++++++++++++++++++++++++++-----
 src/server/send.rs  | 39 +++++++++++++++++++--
 src/server/serve.rs | 23 +++++--------
 3 files changed, 121 insertions(+), 25 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 76c452c..9db0c16 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,10 +1,10 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
 [[package]]
-name = "adler"
-version = "0.2.3"
+name = "adler32"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee2a4ec343196209d6594e19543ae87a39f96d5534d7174822a3ad825dd6ed7e"
+checksum = "aae1277d39aeec15cb388266ecc24b11c80469deae6067e17a1a7aa9e5c1f234"
 
 [[package]]
 name = "aho-corasick"
@@ -117,6 +117,33 @@ version = "0.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0e4cec68f03f32e44924783795810fa50a7035d8c8ebe78580ad7e6c703fba38"
 
+[[package]]
+name = "bzip2"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "42b7c3cbf0fa9c1b82308d57191728ca0256cb821220f4e2fd410a72ade26e3b"
+dependencies = [
+ "bzip2-sys",
+ "libc",
+]
+
+[[package]]
+name = "bzip2-sys"
+version = "0.1.9+1.0.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ad3b39a260062fca31f7b0b12f207e8f2590a67d32ec7d59c20484b07ea7285e"
+dependencies = [
+ "cc",
+ "libc",
+ "pkg-config",
+]
+
+[[package]]
+name = "cc"
+version = "1.0.59"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "66120af515773fb005778dc07c261bd201ec8ce50bd6e7144c927753fe013381"
+
 [[package]]
 name = "cfg-if"
 version = "0.1.10"
@@ -198,9 +225,9 @@ checksum = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
 
 [[package]]
 name = "flate2"
-version = "1.0.17"
+version = "1.0.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "766d0e77a2c1502169d4a93ff3b8c15a71fd946cd0126309752104e5f3c46d94"
+checksum = "2cfff41391129e0a856d6d822600b8d71179d46879e310417eb9c762eb178b42"
 dependencies = [
  "cfg-if",
  "crc32fast",
@@ -533,11 +560,11 @@ dependencies = [
 
 [[package]]
 name = "miniz_oxide"
-version = "0.4.1"
+version = "0.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4d7559a8a40d0f97e1edea3220f698f78b1c5ab67532e49f68fde3910323b722"
+checksum = "791daaae1ed6889560f8c4359194f56648355540573244a5448a83ba1ecc7435"
 dependencies = [
- "adler",
+ "adler32",
 ]
 
 [[package]]
@@ -703,6 +730,12 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
+[[package]]
+name = "pkg-config"
+version = "0.3.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d36492546b6af1463394d46f0c834346f31548646f6ba10849802c9c9a27ac33"
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.9"
@@ -912,6 +945,7 @@ dependencies = [
  "tempdir",
  "tera",
  "tokio",
+ "zip",
 ]
 
 [[package]]
@@ -1005,6 +1039,26 @@ dependencies = [
  "unicode-width",
 ]
 
+[[package]]
+name = "thiserror"
+version = "1.0.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7dfdd070ccd8ccb78f4ad66bf1982dc37f620ef696c6b5028fe2ed83dd3d0d08"
+dependencies = [
+ "thiserror-impl",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd80fc12f73063ac132ac92aceea36734f04a1d93c1240c6944e23a3b8841793"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "thread_local"
 version = "1.0.1"
@@ -1274,3 +1328,17 @@ dependencies = [
  "winapi 0.2.8",
  "winapi-build",
 ]
+
+[[package]]
+name = "zip"
+version = "0.5.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d30de6e58104bb7b9a94f34b52a2bdabb8a40b678a64201cd0069e3d7119b5ff"
+dependencies = [
+ "byteorder",
+ "bzip2",
+ "crc32fast",
+ "flate2",
+ "thiserror",
+ "time",
+]
diff --git a/src/server/send.rs b/src/server/send.rs
index aa5c179..2e3d6e3 100644
--- a/src/server/send.rs
+++ b/src/server/send.rs
@@ -14,6 +14,7 @@ use std::path::Path;
 use ignore::WalkBuilder;
 use serde::Serialize;
 use tera::{Context, Tera};
+use zip::ZipWriter;
 
 use crate::extensions::PathExt;
 use crate::server::PathType;
@@ -116,13 +117,47 @@ pub fn send_file<P: AsRef<Path>>(file_path: P) -> io::Result<Vec<u8>> {
     let f = File::open(file_path)?;
     let mut buffer = Vec::new();
     BufReader::new(f).read_to_end(&mut buffer)?;
+
     Ok(buffer)
 }
 
-pub fn send_dir_as_zip<P1: AsRef<Path>, P2: AsRef<Path>>(base_path: P1, dir_path: P2)-> io::Result<Vec<u8>> {
+pub fn send_dir_as_zip<P1: AsRef<Path>, P2: AsRef<Path>>(dir_path: P1,
+    base_path: P2,
+    show_all: bool,
+    with_ignore: bool)-> io::Result<Vec<u8>> {
+    let base_path = base_path.as_ref();
+    let dir_path = dir_path.as_ref();
+
     let mut buffer = Vec::new();
 
-    Ok(buffer)
+    let writer = ZipWriter::new(std::io::Cursor::new(&mut buffer[..]));
+
+    let files_iter: Vec<&&Path> = WalkBuilder::new(dir_path)
+        .standard_filters(false) // Disable all standard filters.
+        .git_ignore(with_ignore)
+        .sort_by_file_path(|path1, path2|{
+            let path1_str = String::from(path1.to_str().unwrap());
+            let path2_str = String::from(path2.to_str().unwrap());
+            path1_str.partial_cmp(&path2_str).unwrap()
+        })
+        .hidden(!show_all) // Filter out hidden entries on demand.
+        .build()
+        .filter_map(|entry| entry.ok())
+        .filter(|entry| dir_path != entry.path() || !entry.path().is_dir())
+        .map(|entry| {
+            let path = entry.path();
+
+            &path
+        })
+        .collect();
+
+    for path in files_iter.iter() {
+        println!("Path: {:#?}", path); 
+    }
+
+    
+
+    Ok(vec!())
 }
 
 /// Send a buffer with specific range.
diff --git a/src/server/serve.rs b/src/server/serve.rs
index 5fba106..1d607ce 100644
--- a/src/server/serve.rs
+++ b/src/server/serve.rs
@@ -246,6 +246,8 @@ impl InnerService {
             None => return Ok(res::not_found(res)),
         };
 
+        let default_action = if path.is_dir() {Action::ListDir} else {Action::DownloadFile};
+
         let action = match req.uri().query() {
             Some(query) => {
                 let query = QString::from(query);
@@ -255,22 +257,10 @@ impl InnerService {
                         "zip" => Action::DownloadZip,
                         _ => unimplemented!(),
                     },
-                    None => {
-                        if path.is_dir() {
-                            Action::ListDir
-                        } else {
-                            Action::DownloadFile
-                        }
-                    }
-                }
-            }
-            None => {
-                if path.is_dir() {
-                    Action::ListDir
-                } else {
-                    Action::DownloadFile
+                    None => default_action
                 }
             }
+            None => default_action
         };
 
         // CORS headers
@@ -355,7 +345,10 @@ impl InnerService {
             }
             Action::DownloadZip=>{
                res.headers_mut().typed_insert(ContentType::octet_stream());
-               body = send_dir_as_zip(&self.args.path,&path);
+               body = send_dir_as_zip(&path,
+                    &self.args.path,
+                    self.args.all,
+                    self.args.ignore);
             }
         }
 

From fed714fc1d3c29a04aa33c136040e9ba55891e99 Mon Sep 17 00:00:00 2001
From: WhizSid <whizsid@aol.com>
Date: Fri, 11 Sep 2020 15:48:33 +0530
Subject: [PATCH 3/7] Serving the file

---
 src/server/send.rs  | 80 ++++++++++++++++++++++++++++++---------------
 src/server/serve.rs | 68 +++++++++++++++++++++++++-------------
 2 files changed, 98 insertions(+), 50 deletions(-)

diff --git a/src/server/send.rs b/src/server/send.rs
index 2e3d6e3..d1c8670 100644
--- a/src/server/send.rs
+++ b/src/server/send.rs
@@ -8,7 +8,7 @@
 
 use std::convert::AsRef;
 use std::fs::File;
-use std::io::{self, BufReader};
+use std::io::{self, BufReader, Read, Write, Seek, SeekFrom};
 use std::path::Path;
 
 use ignore::WalkBuilder;
@@ -91,7 +91,13 @@ pub fn send_dir<P1: AsRef<Path>, P2: AsRef<Path>>(
         let path = format!(
             "{}/{}",
             prefix,
-            dir_path.parent().unwrap().strip_prefix(base_path).unwrap().to_str().unwrap()
+            dir_path
+                .parent()
+                .unwrap()
+                .strip_prefix(base_path)
+                .unwrap()
+                .to_str()
+                .unwrap()
         );
 
         vec![Item {
@@ -108,7 +114,7 @@ pub fn send_dir<P1: AsRef<Path>, P2: AsRef<Path>>(
 
     let dir_path_str = dir_path.strip_prefix(base_path).unwrap().to_str().unwrap();
 
-    Ok(render(dir_path_str,dir_path.filename_str(), &files, &breadcrumbs).into())
+    Ok(render(dir_path_str, dir_path.filename_str(), &files, &breadcrumbs).into())
 }
 
 /// Send a buffer of file to client.
@@ -121,43 +127,64 @@ pub fn send_file<P: AsRef<Path>>(file_path: P) -> io::Result<Vec<u8>> {
     Ok(buffer)
 }
 
-pub fn send_dir_as_zip<P1: AsRef<Path>, P2: AsRef<Path>>(dir_path: P1,
-    base_path: P2,
+/// Sending a directory as zip buffer
+pub fn send_dir_as_zip<P: AsRef<Path>>(
+    dir_path: P,
     show_all: bool,
-    with_ignore: bool)-> io::Result<Vec<u8>> {
-    let base_path = base_path.as_ref();
+    with_ignore: bool,
+) -> io::Result<Vec<u8>> {
     let dir_path = dir_path.as_ref();
 
-    let mut buffer = Vec::new();
+    // Creating a memory buffer to make zip file
+    let mut zip_buffer = Vec::new();
+    let cursor = std::io::Cursor::new(&mut zip_buffer);
 
-    let writer = ZipWriter::new(std::io::Cursor::new(&mut buffer[..]));
+    let mut zip_writer = ZipWriter::new(cursor);
+    let zip_options = zip::write::FileOptions::default()
+        .compression_method(zip::CompressionMethod::Stored)
+        .unix_permissions(0o755);
 
-    let files_iter: Vec<&&Path> = WalkBuilder::new(dir_path)
+    // Recursively finding files and directories
+    let files_iter: Vec<ignore::DirEntry> = WalkBuilder::new(dir_path)
         .standard_filters(false) // Disable all standard filters.
         .git_ignore(with_ignore)
-        .sort_by_file_path(|path1, path2|{
-            let path1_str = String::from(path1.to_str().unwrap());
-            let path2_str = String::from(path2.to_str().unwrap());
-            path1_str.partial_cmp(&path2_str).unwrap()
-        })
         .hidden(!show_all) // Filter out hidden entries on demand.
         .build()
         .filter_map(|entry| entry.ok())
-        .filter(|entry| dir_path != entry.path() || !entry.path().is_dir())
-        .map(|entry| {
-            let path = entry.path();
-
-            &path
-        })
+        .filter(|entry| entry.path() != dir_path)
         .collect();
 
-    for path in files_iter.iter() {
-        println!("Path: {:#?}", path); 
+    let mut file_buffer = Vec::new();
+    for dir_entry in files_iter.iter() {
+        let file_path = dir_entry.path();
+        let name = file_path.strip_prefix(dir_path).unwrap().to_str().unwrap();
+
+        if file_path.is_dir() {
+            zip_writer
+                .add_directory(name, zip_options)
+                .map_err(|e| std::io::Error::new(std::io::ErrorKind::InvalidData, e))?;
+        } else {
+            zip_writer
+                .start_file(name, zip_options)
+                .map_err(|e| std::io::Error::new(std::io::ErrorKind::InvalidData, e))?;
+            let mut file = File::open(file_path)?;
+
+            file.read_to_end(&mut file_buffer)?;
+            zip_writer.write_all(&*file_buffer)?;
+            file_buffer.clear();
+        }
     }
 
-    
+    let mut zip = zip_writer
+        .finish()
+        .map_err(|e| std::io::Error::new(std::io::ErrorKind::InvalidData, e))?;
 
-    Ok(vec!())
+    zip.seek(SeekFrom::Start(0))?;
+    let mut buffer = Vec::new();
+
+    zip.read_to_end(&mut buffer)?;
+
+    Ok(buffer)
 }
 
 /// Send a buffer with specific range.
@@ -171,7 +198,6 @@ pub fn send_file_with_range<P: AsRef<Path>>(
     range: (u64, u64),
 ) -> io::Result<Vec<u8>> {
     use std::io::prelude::*;
-    use std::io::SeekFrom;
     let (start, end) = range; // TODO: should return HTTP 416
     if end < start {
         return Err(io::Error::from(io::ErrorKind::InvalidInput));
@@ -233,7 +259,7 @@ mod t {
 
     #[test]
     fn render_successfully() {
-        let page = render("","", &vec![], &vec![]);
+        let page = render("", "", &vec![], &vec![]);
         assert!(page.starts_with("<!DOCTYPE html>"))
     }
     #[test]
diff --git a/src/server/serve.rs b/src/server/serve.rs
index 1d607ce..1256588 100644
--- a/src/server/serve.rs
+++ b/src/server/serve.rs
@@ -15,9 +15,12 @@ use std::time::Duration;
 
 use chrono::Local;
 use headers::{
-    AcceptRanges, AccessControlAllowHeaders, AccessControlAllowOrigin, CacheControl, ContentLength,
-    ContentType, ETag, HeaderMapExt, LastModified, Range, Server,
+    AcceptRanges, AccessControlAllowHeaders, AccessControlAllowOrigin, CacheControl,
+    ContentLength, ContentType, ETag, HeaderMapExt, LastModified, Range,
+    Server,
 };
+// Can not use headers::ContentDisposition. Because of https://github.com/hyperium/headers/issues/8
+use hyper::header::{CONTENT_DISPOSITION, HeaderValue};
 use hyper::service::{make_service_fn, service_fn};
 use hyper::StatusCode;
 use ignore::gitignore::Gitignore;
@@ -31,7 +34,7 @@ use crate::extensions::{MimeExt, PathExt, SystemTimeExt};
 use crate::http::conditional_requests::{is_fresh, is_precondition_failed};
 use crate::http::content_encoding::{compress, get_prior_encoding};
 use crate::http::range_requests::{is_range_fresh, is_satisfiable_range};
-use crate::server::send::{send_dir, send_file, send_file_with_range, send_dir_as_zip};
+use crate::server::send::{send_dir, send_dir_as_zip, send_file, send_file_with_range};
 use crate::server::{res, Request, Response};
 use crate::BoxResult;
 
@@ -246,7 +249,11 @@ impl InnerService {
             None => return Ok(res::not_found(res)),
         };
 
-        let default_action = if path.is_dir() {Action::ListDir} else {Action::DownloadFile};
+        let default_action = if path.is_dir() {
+            Action::ListDir
+        } else {
+            Action::DownloadFile
+        };
 
         let action = match req.uri().query() {
             Some(query) => {
@@ -254,13 +261,19 @@ impl InnerService {
 
                 match query.get("action") {
                     Some(action_str) => match action_str {
-                        "zip" => Action::DownloadZip,
+                        "zip" => {
+                            if path.is_dir() {
+                                Action::DownloadZip
+                            } else {
+                                unimplemented!()
+                            }
+                        }
                         _ => unimplemented!(),
                     },
-                    None => default_action
+                    None => default_action,
                 }
             }
-            None => default_action
+            None => default_action,
         };
 
         // CORS headers
@@ -343,17 +356,27 @@ impl InnerService {
                 res.headers_mut().typed_insert(last_modified);
                 res.headers_mut().typed_insert(etag);
             }
-            Action::DownloadZip=>{
-               res.headers_mut().typed_insert(ContentType::octet_stream());
-               body = send_dir_as_zip(&path,
-                    &self.args.path,
-                    self.args.all,
-                    self.args.ignore);
+            Action::DownloadZip => {
+                body = send_dir_as_zip(&path, self.args.all, self.args.ignore);
+
+                // Changing the filename
+                res.headers_mut().insert(
+                    CONTENT_DISPOSITION,
+                    HeaderValue::from_str(&format!(
+                        "attachment; filename=\"{}.zip\"",
+                        path.components()
+                            .last()
+                            .unwrap()
+                            .as_os_str()
+                            .to_str()
+                            .unwrap()
+                    )).unwrap(),
+                );
             }
         }
 
         let mut body = body?;
-        let mime_type = InnerService::guess_path_mime(&path);
+        let mime_type = InnerService::guess_path_mime(&path, action);
 
         if self.can_compress(res.status(), &mime_type) {
             let encoding = res
@@ -386,14 +409,12 @@ impl InnerService {
         Ok(res)
     }
 
-    fn guess_path_mime<P: AsRef<Path>>(path: P) -> mime::Mime {
+    fn guess_path_mime<P: AsRef<Path>>(path: P, action: Action) -> mime::Mime {
         let path = path.as_ref();
-        path.mime().unwrap_or_else(|| {
-            if path.is_dir() {
-                mime::TEXT_HTML_UTF_8
-            } else {
-                mime::TEXT_PLAIN_UTF_8
-            }
+        path.mime().unwrap_or_else(|| match action {
+            Action::ListDir => mime::TEXT_HTML_UTF_8,
+            Action::DownloadFile => mime::TEXT_PLAIN_UTF_8,
+            Action::DownloadZip => mime::APPLICATION_OCTET_STREAM,
         })
     }
 }
@@ -442,11 +463,12 @@ mod t_server {
 
     #[test]
     fn guess_path_mime() {
-        let mime_type = InnerService::guess_path_mime("file-wthout-extension");
+        let mime_type =
+            InnerService::guess_path_mime("file-wthout-extension", Action::DownloadFile);
         assert_eq!(mime_type, mime::TEXT_PLAIN_UTF_8);
 
         let dir_path = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
-        let mime_type = InnerService::guess_path_mime(dir_path);
+        let mime_type = InnerService::guess_path_mime(dir_path, Action::ListDir);
         assert_eq!(mime_type, mime::TEXT_HTML_UTF_8);
     }
 

From 60799484bdd9201fe375d3cb76ce572f20c7c26f Mon Sep 17 00:00:00 2001
From: WhizSid <whizsid@aol.com>
Date: Fri, 11 Sep 2020 16:00:26 +0530
Subject: [PATCH 4/7] Fixed lint issues

---
 src/server/send.rs  |  2 +-
 src/server/serve.rs | 10 +++++-----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/server/send.rs b/src/server/send.rs
index d1c8670..880714c 100644
--- a/src/server/send.rs
+++ b/src/server/send.rs
@@ -8,7 +8,7 @@
 
 use std::convert::AsRef;
 use std::fs::File;
-use std::io::{self, BufReader, Read, Write, Seek, SeekFrom};
+use std::io::{self, BufReader, Read, Seek, SeekFrom, Write};
 use std::path::Path;
 
 use ignore::WalkBuilder;
diff --git a/src/server/serve.rs b/src/server/serve.rs
index 1256588..8d5dbf6 100644
--- a/src/server/serve.rs
+++ b/src/server/serve.rs
@@ -15,12 +15,11 @@ use std::time::Duration;
 
 use chrono::Local;
 use headers::{
-    AcceptRanges, AccessControlAllowHeaders, AccessControlAllowOrigin, CacheControl,
-    ContentLength, ContentType, ETag, HeaderMapExt, LastModified, Range,
-    Server,
+    AcceptRanges, AccessControlAllowHeaders, AccessControlAllowOrigin, CacheControl, ContentLength,
+    ContentType, ETag, HeaderMapExt, LastModified, Range, Server,
 };
 // Can not use headers::ContentDisposition. Because of https://github.com/hyperium/headers/issues/8
-use hyper::header::{CONTENT_DISPOSITION, HeaderValue};
+use hyper::header::{HeaderValue, CONTENT_DISPOSITION};
 use hyper::service::{make_service_fn, service_fn};
 use hyper::StatusCode;
 use ignore::gitignore::Gitignore;
@@ -370,7 +369,8 @@ impl InnerService {
                             .as_os_str()
                             .to_str()
                             .unwrap()
-                    )).unwrap(),
+                    ))
+                    .unwrap(),
                 );
             }
         }

From 1a7878835a68517720658340828430e286c981a8 Mon Sep 17 00:00:00 2001
From: WhizSid <whizsid@aol.com>
Date: Mon, 14 Sep 2020 02:01:08 +0530
Subject: [PATCH 5/7] Fixed requested changes without test cases

---
 Cargo.lock            | 35 -------------------------
 Cargo.toml            |  4 +--
 src/server/index.html |  2 +-
 src/server/send.rs    | 59 ++++++++++++++++++++++---------------------
 src/server/serve.rs   | 12 +++------
 5 files changed, 37 insertions(+), 75 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 9db0c16..b556c6c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -117,33 +117,6 @@ version = "0.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0e4cec68f03f32e44924783795810fa50a7035d8c8ebe78580ad7e6c703fba38"
 
-[[package]]
-name = "bzip2"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "42b7c3cbf0fa9c1b82308d57191728ca0256cb821220f4e2fd410a72ade26e3b"
-dependencies = [
- "bzip2-sys",
- "libc",
-]
-
-[[package]]
-name = "bzip2-sys"
-version = "0.1.9+1.0.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad3b39a260062fca31f7b0b12f207e8f2590a67d32ec7d59c20484b07ea7285e"
-dependencies = [
- "cc",
- "libc",
- "pkg-config",
-]
-
-[[package]]
-name = "cc"
-version = "1.0.59"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "66120af515773fb005778dc07c261bd201ec8ce50bd6e7144c927753fe013381"
-
 [[package]]
 name = "cfg-if"
 version = "0.1.10"
@@ -730,12 +703,6 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
-[[package]]
-name = "pkg-config"
-version = "0.3.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d36492546b6af1463394d46f0c834346f31548646f6ba10849802c9c9a27ac33"
-
 [[package]]
 name = "ppv-lite86"
 version = "0.2.9"
@@ -1336,9 +1303,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d30de6e58104bb7b9a94f34b52a2bdabb8a40b678a64201cd0069e3d7119b5ff"
 dependencies = [
  "byteorder",
- "bzip2",
  "crc32fast",
  "flate2",
  "thiserror",
- "time",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 2103f12..4997bfa 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -32,8 +32,8 @@ ignore = "0.4" # Respect to .gitignore while listing directories.
 # Logging
 chrono = "0.4"
 # Directory Download
-qstring = "0.7.2"
-zip = "0.5.7"
+qstring = "0.7"
+zip = { version = "0.5", default-features = false, features = ["deflate"] }
 
 [dev-dependencies]
 tempdir = "0.3"
diff --git a/src/server/index.html b/src/server/index.html
index 840f01b..d3a0c9b 100644
--- a/src/server/index.html
+++ b/src/server/index.html
@@ -18,7 +18,7 @@
         {% endif %}
         <span class="separator">/</span>
       {% endfor %}
-      <a href="/{{ path | safe | urlencode }}?action=zip" title="Download folder as .zip file">
+      <a href="?action=zip" title="Download folder as a .zip file">
         <svg height="16" width="16" viewBox="0 0 24 24" ><path fill-rule="evenodd" d="M20.54 5.23l-1.39-1.68C18.88 3.21 18.47 3 18 3H6c-.47 0-.88.21-1.16.55L3.46 5.23C3.17 5.57 3 6.02 3 6.5V19c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V6.5c0-.48-.17-.93-.46-1.27zM12 17.5L6.5 12H10v-2h4v2h3.5L12 17.5zM5.12 5l.81-1h12l.94 1H5.12z"></path></svg>
       </a>
     </div>
diff --git a/src/server/send.rs b/src/server/send.rs
index 880714c..36ba196 100644
--- a/src/server/send.rs
+++ b/src/server/send.rs
@@ -8,7 +8,7 @@
 
 use std::convert::AsRef;
 use std::fs::File;
-use std::io::{self, BufReader, Read, Seek, SeekFrom, Write};
+use std::io::{self, BufReader, Read, Seek ,SeekFrom};
 use std::path::Path;
 
 use ignore::WalkBuilder;
@@ -35,6 +35,21 @@ struct Breadcrumb<'a> {
     path: String,
 }
 
+/// Walking inside a directory recursively
+fn get_dir_contents<P: AsRef<Path>>(
+    dir_path: P,
+    with_ignore: bool,
+    show_all: bool,
+    depth: Option<usize>,
+) -> ignore::Walk  {
+    WalkBuilder::new(dir_path)
+        .standard_filters(false) // Disable all standard filters.
+        .git_ignore(with_ignore)
+        .hidden(!show_all) // Filter out hidden entries on demand.
+        .max_depth(depth) // Do not traverse subpaths.
+        .build()
+}
+
 /// Send a HTML page of all files under the path.
 ///
 /// # Parameters
@@ -60,12 +75,7 @@ pub fn send_dir<P1: AsRef<Path>, P2: AsRef<Path>>(
     let breadcrumbs = create_breadcrumbs(dir_path, base_path, prefix);
 
     // Collect filename and there links.
-    let files_iter = WalkBuilder::new(dir_path)
-        .standard_filters(false) // Disable all standard filters.
-        .git_ignore(with_ignore)
-        .hidden(!show_all) // Filter out hidden entries on demand.
-        .max_depth(Some(1)) // Do not traverse subpaths.
-        .build()
+    let files_iter = get_dir_contents(dir_path, with_ignore, show_all, Some(1))
         .filter_map(|entry| entry.ok())
         .filter(|entry| dir_path != entry.path()) // Exclude `.`
         .map(|entry| {
@@ -112,9 +122,7 @@ pub fn send_dir<P1: AsRef<Path>, P2: AsRef<Path>>(
     // Sort files (dir-first and lexicographic ordering).
     files.sort_unstable();
 
-    let dir_path_str = dir_path.strip_prefix(base_path).unwrap().to_str().unwrap();
-
-    Ok(render(dir_path_str, dir_path.filename_str(), &files, &breadcrumbs).into())
+    Ok(render(dir_path.filename_str(), &files, &breadcrumbs).into())
 }
 
 /// Send a buffer of file to client.
@@ -145,17 +153,11 @@ pub fn send_dir_as_zip<P: AsRef<Path>>(
         .unix_permissions(0o755);
 
     // Recursively finding files and directories
-    let files_iter: Vec<ignore::DirEntry> = WalkBuilder::new(dir_path)
-        .standard_filters(false) // Disable all standard filters.
-        .git_ignore(with_ignore)
-        .hidden(!show_all) // Filter out hidden entries on demand.
-        .build()
+    let files_iter = get_dir_contents(dir_path, with_ignore, show_all, None)
         .filter_map(|entry| entry.ok())
-        .filter(|entry| entry.path() != dir_path)
-        .collect();
+        .filter(|entry| entry.path() != dir_path);
 
-    let mut file_buffer = Vec::new();
-    for dir_entry in files_iter.iter() {
+    for dir_entry in files_iter {
         let file_path = dir_entry.path();
         let name = file_path.strip_prefix(dir_path).unwrap().to_str().unwrap();
 
@@ -169,9 +171,7 @@ pub fn send_dir_as_zip<P: AsRef<Path>>(
                 .map_err(|e| std::io::Error::new(std::io::ErrorKind::InvalidData, e))?;
             let mut file = File::open(file_path)?;
 
-            file.read_to_end(&mut file_buffer)?;
-            zip_writer.write_all(&*file_buffer)?;
-            file_buffer.clear();
+            std::io::copy(&mut file, &mut zip_writer)?;
         }
     }
 
@@ -180,11 +180,8 @@ pub fn send_dir_as_zip<P: AsRef<Path>>(
         .map_err(|e| std::io::Error::new(std::io::ErrorKind::InvalidData, e))?;
 
     zip.seek(SeekFrom::Start(0))?;
-    let mut buffer = Vec::new();
-
-    zip.read_to_end(&mut buffer)?;
 
-    Ok(buffer)
+    zip.bytes().collect()
 }
 
 /// Send a buffer with specific range.
@@ -242,10 +239,9 @@ fn create_breadcrumbs<'a>(
 }
 
 /// Render page with Tera template engine.
-fn render(path: &str, dir_name: &str, files: &[Item], breadcrumbs: &[Breadcrumb]) -> String {
+fn render(dir_name: &str, files: &[Item], breadcrumbs: &[Breadcrumb]) -> String {
     let mut ctx = Context::new();
     ctx.insert("dir_name", dir_name);
-    ctx.insert("path", path);
     ctx.insert("files", files);
     ctx.insert("breadcrumbs", breadcrumbs);
     ctx.insert("style", include_str!("style.css"));
@@ -259,7 +255,7 @@ mod t {
 
     #[test]
     fn render_successfully() {
-        let page = render("", "", &vec![], &vec![]);
+        let page = render("", &vec![], &vec![]);
         assert!(page.starts_with("<!DOCTYPE html>"))
     }
     #[test]
@@ -404,4 +400,9 @@ mod t_send {
         let buf = send_file_with_range(file_txt_path(), (1, 0));
         assert_eq!(buf.unwrap_err().kind(), std::io::ErrorKind::InvalidInput);
     }
+
+    #[test]
+    fn t_send_dir_as_zip(){
+        
+    }
 }
diff --git a/src/server/serve.rs b/src/server/serve.rs
index 8d5dbf6..c13dd37 100644
--- a/src/server/serve.rs
+++ b/src/server/serve.rs
@@ -74,6 +74,7 @@ pub async fn serve(args: Args) -> BoxResult<()> {
     Ok(())
 }
 
+/// File and folder actions
 enum Action {
     DownloadZip,
     ListDir,
@@ -264,10 +265,10 @@ impl InnerService {
                             if path.is_dir() {
                                 Action::DownloadZip
                             } else {
-                                unimplemented!()
+                                bail!("error: invalid action");
                             }
                         }
-                        _ => unimplemented!(),
+                        _ => bail!("error: invalid action"),
                     },
                     None => default_action,
                 }
@@ -363,12 +364,7 @@ impl InnerService {
                     CONTENT_DISPOSITION,
                     HeaderValue::from_str(&format!(
                         "attachment; filename=\"{}.zip\"",
-                        path.components()
-                            .last()
-                            .unwrap()
-                            .as_os_str()
-                            .to_str()
-                            .unwrap()
+                        path.file_name().unwrap().to_str().unwrap()
                     ))
                     .unwrap(),
                 );

From 6fe56858533ddfaae2d865af20354f2ccd0fdc7f Mon Sep 17 00:00:00 2001
From: WhizSid <whizsid@aol.com>
Date: Mon, 14 Sep 2020 14:04:36 +0530
Subject: [PATCH 6/7] Test cases

---
 src/server/send.rs                       | 17 ++++++++++++++++-
 src/server/serve.rs                      |  4 ++++
 tests/dir_with_sub_dirs/file.txt         |  1 +
 tests/dir_with_sub_dirs/sub_dir/file.txt |  1 +
 4 files changed, 22 insertions(+), 1 deletion(-)
 create mode 100644 tests/dir_with_sub_dirs/file.txt
 create mode 100644 tests/dir_with_sub_dirs/sub_dir/file.txt

diff --git a/src/server/send.rs b/src/server/send.rs
index 36ba196..9135ae9 100644
--- a/src/server/send.rs
+++ b/src/server/send.rs
@@ -344,6 +344,12 @@ mod t_send {
         path
     }
 
+    fn dir_with_sub_dir_path() -> std::path::PathBuf {
+        let mut path = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR"));
+        path.push("./tests/dir_with_sub_dirs/");
+        path
+    }
+
     fn missing_file_path() -> std::path::PathBuf {
         let mut path = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR"));
         path.push("./missing/file");
@@ -403,6 +409,15 @@ mod t_send {
 
     #[test]
     fn t_send_dir_as_zip(){
-        
+        let buf = send_dir_as_zip(dir_with_sub_dir_path(), true, false);
+
+        assert_eq!(buf.is_ok(), true);
+
+        let buf = buf.unwrap();
+
+        assert_eq!(buf.len()>0, true);
+
+        // https://users.cs.jmu.edu/buchhofp/forensics/formats/pkzip.html#localheader
+        assert_eq!(&buf[0..4], &[0x50,0x4b,0x03,0x04]);
     }
 }
diff --git a/src/server/serve.rs b/src/server/serve.rs
index c13dd37..09a5423 100644
--- a/src/server/serve.rs
+++ b/src/server/serve.rs
@@ -466,6 +466,10 @@ mod t_server {
         let dir_path = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
         let mime_type = InnerService::guess_path_mime(dir_path, Action::ListDir);
         assert_eq!(mime_type, mime::TEXT_HTML_UTF_8);
+
+        let dir_path = PathBuf::from("./tests");
+        let mime_type = InnerService::guess_path_mime(dir_path, Action::DownloadZip);
+        assert_eq!(mime_type, mime::APPLICATION_OCTET_STREAM);
     }
 
     #[test]
diff --git a/tests/dir_with_sub_dirs/file.txt b/tests/dir_with_sub_dirs/file.txt
new file mode 100644
index 0000000..2069d6e
--- /dev/null
+++ b/tests/dir_with_sub_dirs/file.txt
@@ -0,0 +1 @@
+Test1
diff --git a/tests/dir_with_sub_dirs/sub_dir/file.txt b/tests/dir_with_sub_dirs/sub_dir/file.txt
new file mode 100644
index 0000000..b729d95
--- /dev/null
+++ b/tests/dir_with_sub_dirs/sub_dir/file.txt
@@ -0,0 +1 @@
+Test2

From 63b420995be6e5adf02ed87f3d7ee6c1aab0b70c Mon Sep 17 00:00:00 2001
From: WhizSid <whizsid@aol.com>
Date: Mon, 14 Sep 2020 14:15:54 +0530
Subject: [PATCH 7/7] Lint issue

---
 src/server/send.rs | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/server/send.rs b/src/server/send.rs
index 9135ae9..82e5f0f 100644
--- a/src/server/send.rs
+++ b/src/server/send.rs
@@ -8,7 +8,7 @@
 
 use std::convert::AsRef;
 use std::fs::File;
-use std::io::{self, BufReader, Read, Seek ,SeekFrom};
+use std::io::{self, BufReader, Read, Seek, SeekFrom};
 use std::path::Path;
 
 use ignore::WalkBuilder;
@@ -41,7 +41,7 @@ fn get_dir_contents<P: AsRef<Path>>(
     with_ignore: bool,
     show_all: bool,
     depth: Option<usize>,
-) -> ignore::Walk  {
+) -> ignore::Walk {
     WalkBuilder::new(dir_path)
         .standard_filters(false) // Disable all standard filters.
         .git_ignore(with_ignore)
@@ -408,16 +408,16 @@ mod t_send {
     }
 
     #[test]
-    fn t_send_dir_as_zip(){
+    fn t_send_dir_as_zip() {
         let buf = send_dir_as_zip(dir_with_sub_dir_path(), true, false);
 
         assert_eq!(buf.is_ok(), true);
 
         let buf = buf.unwrap();
 
-        assert_eq!(buf.len()>0, true);
+        assert_eq!(buf.len() > 0, true);
 
         // https://users.cs.jmu.edu/buchhofp/forensics/formats/pkzip.html#localheader
-        assert_eq!(&buf[0..4], &[0x50,0x4b,0x03,0x04]);
+        assert_eq!(&buf[0..4], &[0x50, 0x4b, 0x03, 0x04]);
     }
 }