Add curl instructions, extract copy into own file

src/main.rs

@@ -6,7 +6,7 @@ use actix_files::{Files, NamedFile};
 use actix_multipart::Multipart;
 use actix_web::{
     error,
-    http::header::{ContentDisposition, DispositionParam, DispositionType},
+    http::header::{ContentDisposition, DispositionParam, DispositionType, ACCEPT},
     middleware,
     web::{self, Bytes},
     App, Error, FromRequest, HttpRequest, HttpResponse, HttpServer,
@@ -24,16 +24,23 @@ use sqlx::{
 };
 use std::env;
 
+const INDEX_HTML: &str = include_str!("../template/index.html");
 const UPLOAD_HTML: &str = include_str!("../template/upload.html");
 const VIEW_HTML: &str = include_str!("../template/view.html");
 
-async fn index() -> Result<NamedFile, Error> {
-    Ok(NamedFile::open("./static/index.html")
-        .map_err(|_| error::ErrorNotFound(""))?
-        .disable_content_disposition())
+async fn index(req: web::HttpRequest) -> Result<HttpResponse, Error> {
+    let upload_url = format!("{}/upload", get_host_url(&req));
+    let index_html = INDEX_HTML.replace("{upload_url}", upload_url.as_str());
+    Ok(HttpResponse::Ok()
+        .content_type("text/html")
+        .body(index_html))
 }
 
+// multipart data
+// required: either 'file' or 'text'
+// optional: 'keep_for' default to 30 minutes
 async fn upload(
+    req: web::HttpRequest,
     payload: Multipart,
     db: web::Data<PgPool>,
     expiry_watch_sender: web::Data<Sender<()>>,
@@ -88,24 +95,34 @@ async fn upload(
     expiry_watch_sender.send(()).await;
 
     let redirect = if kind == FileKind::BINARY && original_name.is_some() {
-        format!("/upload/{}/{}", file_id, original_name.unwrap())
+        format!("/upload/{}/{}", file_id, original_name.as_ref().unwrap())
     } else {
         format!("/upload/{}", file_id)
     };
+
+    let url = get_file_url(&req, &file_id, original_name.as_deref());
     Ok(HttpResponse::SeeOther()
         .header("location", redirect)
-        .finish())
+        .body(format!("{}\n", url)))
+}
+
+fn get_host_url(req: &web::HttpRequest) -> String {
+    let conn = req.connection_info();
+    format!("{}://{}", conn.scheme(), conn.host())
+}
+
+fn get_file_url(req: &web::HttpRequest, id: &str, name: Option<&str>) -> String {
+    if let Some(name) = name {
+        format!("{}/file/{}/{}", get_host_url(req), id, name)
+    } else {
+        format!("{}/file/{}", get_host_url(req), id)
+    }
 }
 
 async fn uploaded(req: web::HttpRequest) -> Result<HttpResponse, Error> {
     let id = req.match_info().query("id");
     let name = req.match_info().get("name");
-    let conn = req.connection_info();
-    let url = if let Some(name) = name {
-        format!("{}://{}/file/{}/{}", conn.scheme(), conn.host(), id, name)
-    } else {
-        format!("{}://{}/file/{}", conn.scheme(), conn.host(), id)
-    };
+    let url = get_file_url(&req, id, name);
     let upload_html = UPLOAD_HTML.replace("{url}", url.as_str());
     Ok(HttpResponse::Ok()
         .content_type("text/html")

src/multipart.rs

@@ -11,17 +11,17 @@ pub(crate) async fn parse_multipart(
     filename: &Path,
 ) -> Result<(Option<String>, DateTime<Local>, FileKind), error::Error> {
     let mut original_name: Option<String> = None;
-    let mut timeout: Option<String> = None;
+    let mut keep_for: Option<String> = None;
     let mut kind: Option<FileKind> = None;
 
     while let Ok(Some(field)) = payload.try_next().await {
         let name = get_field_name(&field)?;
         let name = name.as_str();
         match name {
-            "validity_secs" => {
-                timeout = Some(parse_string(name, field).await?);
+            "keep_for" => {
+                keep_for = Some(parse_string(name, field).await?);
             }
-            "content" => {
+            "file" => {
                 let file_original_name = get_original_filename(&field);
                 if file_original_name == None || file_original_name.as_deref() == Some("") {
                     continue;
@@ -35,7 +35,7 @@ pub(crate) async fn parse_multipart(
                     .await
                     .map_err(|_| error::ErrorInternalServerError("could not write file"))?;
             }
-            "text_content" => {
+            "text" => {
                 if original_name.is_some() {
                     continue;
                 }
@@ -58,12 +58,11 @@ pub(crate) async fn parse_multipart(
         }
     }
 
-    let validity_secs = timeout
-        .ok_or_else(|| error::ErrorBadRequest("field validity_secs not set"))?
-        .parse()
-        .map_err(|e| {
-            error::ErrorBadRequest(format!("field validity_secs is not a number: {}", e))
-        })?;
+    let validity_secs = keep_for
+        .map(|timeout| timeout.parse())
+        .transpose()
+        .map_err(|e| error::ErrorBadRequest(format!("field validity_secs is not a number: {}", e)))?
+        .unwrap_or(1800); // default to 30 minutes
     let max_validity_secs = Duration::days(31).num_seconds();
     if validity_secs > max_validity_secs {
         return Err(error::ErrorBadRequest(format!(

static/copy.js

@@ -0,0 +1,16 @@
+const button = document.getElementById("copy");
+button.onclick = () => {
+  if (!navigator.clipboard) {
+    button.innerText = "nicht unterstützt";
+    return;
+  }
+  const content = document.getElementsByClassName("copy-content")[0];
+  navigator.clipboard.writeText(content.textContent).then(
+    (_) => {
+      button.innerText = "kopiert!";
+    },
+    (_) => {
+      button.innerText = "nicht unterstützt";
+    }
+  );
+};

static/index.css

@@ -71,3 +71,7 @@ a.button:visited {
 .button.main:hover {
   background-color: forestgreen;
 }
+
+.usage {
+  margin-top: 2em;
+}

template/index.html

@@ -12,20 +12,15 @@
       <h1>datatrash</h1>
       <form action="/upload" method="POST" enctype="multipart/form-data">
         <label for="file-upload">datei</label>
-        <br/>
-        <input id="file-upload" type="file" name="content" />
+        <br />
+        <input id="file-upload" type="file" name="file" />
         <br />
         <label for="text-upload">oder asciitrash</label>
-        <br/>
-        <textarea
-          id="text-upload"
-          name="text_content"
-          rows="20"
-          cols="120"
-        ></textarea>
         <br />
-        <label for="validity_secs">gültig für</label>
-        <select id="validity_secs" name="validity_secs">
+        <textarea id="text-upload" name="text" rows="20" cols="120"></textarea>
+        <br />
+        <label for="keep_for">gültig für</label>
+        <select id="keep_for" name="keep_for">
           <option value="1800">30 minuten</option>
           <option value="3600">60 minuten</option>
           <option value="43200">12 stunden</option>
@@ -36,6 +31,16 @@
         <br />
         <input class="main button" type="submit" value="hochladen" />
       </form>
+      <section class="usage">
+        <pre>
+file upload
+  curl -F 'file=@yourfile.rs' {upload_url}
+text upload
+  curl -F 'text=your text' {upload_url}
+including time
+  curl -F 'text=your text' -F 'keep_for=1800' {upload_url}
+        </pre>
+      </section>
     </main>
   </body>
 </html>

template/upload.html

@@ -11,27 +11,10 @@
       <h1><a href="/">datatrash</a></h1>
       <p>
         datei-link:
-        <a id="link" href="{url}">
-          {url}
-        </a>
+        <a id="link" class="copy-content" href="{url}">{url}</a>
       </p>
-      <button id="copy" class="main button" onclick="copyToClipboard()">
-        link kopieren
-      </button>
+      <button id="copy" class="main button">link kopieren</button>
     </main>
-    <script lang="javascript">
-      function copyToClipboard() {
-        const button = document.getElementById("copy");
-        if (!navigator.clipboard) {
-          button.innerText = "nicht unterstützt";
-          return;
-        }
-        const anchor = document.getElementById("link");
-        navigator.clipboard.writeText(anchor.href).then(
-          _ => { button.innerText = "kopiert!"; },
-          _ => { button.innerText = "nicht unterstützt"; },
-        );
-      }
-    </script>
+    <script src="/static/copy.js" lang="javascript"></script>
   </body>
 </html>

template/view.html

@@ -9,26 +9,13 @@
   <body>
     <main>
       <h1><a href="/">datatrash</a></h1>
-      <textarea id="text" rows="20" cols="120" readonly>{text}</textarea>
+      <textarea id="text" rows="20" cols="120" class="copy-content" readonly>
+{text}</textarea
+      >
       <br />
       <a class="main button" href="?raw">herunterladen</a>
-      <button id="copy" class="button" onclick="copyToClipboard()">
-        text kopieren
-      </button>
+      <button id="copy" class="button">text kopieren</button>
     </main>
-    <script lang="javascript">
-      function copyToClipboard() {
-        const button = document.getElementById("copy");
-        if (!navigator.clipboard) {
-          button.innerText = "nicht unterstützt";
-          return;
-        }
-        const textarea = document.getElementById("text");
-        navigator.clipboard.writeText(textarea.value).then(
-          _ => { button.innerText = "kopiert!"; },
-          _ => { button.innerText = "nicht unterstützt"; },
-        );
-      }
-    </script>
+    <script src="/static/copy.js" lang="javascript"></script>
   </body>
 </html>