show PDFs in BlobPreview, add ?inline query param to /raw/

src/routes.rs

@@ -11,6 +11,7 @@ use actix_files::NamedFile;
 use actix_multipart::Multipart;
 use actix_web::error::{ErrorBadRequest, ErrorInternalServerError, ErrorNotFound};
 use actix_web::http;
+use actix_web::http::header::{ContentDisposition, DispositionType};
 use actix_web::{delete, error, get, post, put, web, Either, Error, HttpResponse};
 use anyhow::{anyhow, Result};
 use futures_util::TryStreamExt;
@@ -42,6 +43,7 @@ pub struct State {
 #[derive(Deserialize)]
 pub struct RawRequest {
     native: Option<String>,
+    inline: Option<String>,
 }
 
 #[get("/api/raw/{hash}")]
@@ -50,8 +52,9 @@ pub async fn get_raw(
     web::Query(query): web::Query<RawRequest>,
     hash: web::Path<String>,
 ) -> Result<Either<NamedFile, HttpResponse>, Error> {
-    let address = Address::decode(&b58_decode(hash.into_inner()).map_err(ErrorInternalServerError)?)
-        .map_err(ErrorInternalServerError)?;
+    let address =
+        Address::decode(&b58_decode(hash.into_inner()).map_err(ErrorInternalServerError)?)
+            .map_err(ErrorInternalServerError)?;
     if let Address::Hash(hash) = address {
         let connection = state.upend.connection().map_err(ErrorInternalServerError)?;
 
@@ -71,7 +74,14 @@ pub async fn get_raw(
             let file_path = state.upend.vault_path.join(&file.path);
 
             if query.native.is_none() {
-                Ok(Either::A(NamedFile::open(file_path)?))
+                Ok(Either::A(if query.inline.is_some() {
+                    NamedFile::open(file_path)?.set_content_disposition(ContentDisposition {
+                        disposition: DispositionType::Inline,
+                        parameters: vec![],
+                    })
+                } else {
+                    NamedFile::open(file_path)?
+                }))
             } else if state.desktop_enabled {
                 #[cfg(feature = "desktop")]
                 {
@@ -370,8 +380,9 @@ pub async fn get_file(
     state: web::Data<State>,
     hash: web::Path<String>,
 ) -> Result<HttpResponse, Error> {
-    let address = Address::decode(&b58_decode(hash.into_inner()).map_err(ErrorInternalServerError)?)
-        .map_err(ErrorInternalServerError)?;
+    let address =
+        Address::decode(&b58_decode(hash.into_inner()).map_err(ErrorInternalServerError)?)
+            .map_err(ErrorInternalServerError)?;
 
     if let Address::Hash(hash) = address {
         let connection = state.upend.connection().map_err(ErrorInternalServerError)?;

webui/src/components/display/BlobPreview.svelte

@@ -10,8 +10,8 @@
   $: mimeType = String($entity?.get("FILE_MIME"));
   $: handled =
     Boolean(mimeType) &&
-    ["audio", "video", "image", "model", "text"].some((prefix) =>
-      mimeType.startsWith(prefix)
+    ["audio", "video", "image", "model", "text", "application/pdf"].some(
+      (prefix) => mimeType.startsWith(prefix)
     );
 
   let imageLoaded = null;
@@ -48,6 +48,9 @@
         />
       </a>
     {/if}
+    {#if mimeType == "application/pdf"}
+      <iframe src="/api/raw/{address}?inline" title="PDF document of {address}"/>
+    {/if}
     {#if mimeType?.startsWith("model")}
       <ModelViewer src="/api/raw/{address}" />
     {/if}
@@ -69,6 +72,11 @@
     max-height: 25em;
   }
 
+  iframe {
+    width: 100%;
+    min-height: 25em;
+  }
+
   .text {
     display: flex;
     margin-bottom: 1rem;