Even more piping

src/discover/magick.rs

@@ -1,8 +1,6 @@
 #[cfg(test)]
 mod tests;
 
-
-
 use crate::{
     bytes_stream::BytesStream,
     discover::DiscoverError,
@@ -50,39 +48,17 @@ pub(super) async fn confirm_bytes_stream<S>(
         }
     }
 
-    discover_file(state, move |mut file| async move {
-        file.write_from_stream(bytes.into_io_stream())
-            .await
-            .map_err(MagickError::Write)?;
-
-        Ok(file)
-    })
-    .await
+    discover(state, bytes).await
 }
 
 #[tracing::instrument(level = "debug", skip_all)]
-async fn discover_file<S, F, Fut>(state: &State<S>, f: F) -> Result<Discovery, MagickError>
-where
-    F: FnOnce(crate::file::File) -> Fut,
-    Fut: std::future::Future<Output = Result<crate::file::File, MagickError>>,
-{
+async fn discover<S>(state: &State<S>, stream: BytesStream) -> Result<Discovery, MagickError> {
     let temporary_path = state
         .tmp_dir
         .tmp_folder()
         .await
         .map_err(MagickError::CreateTemporaryDirectory)?;
 
-    let input_file = state.tmp_dir.tmp_file(None);
-    crate::store::file_store::safe_create_parent(&input_file)
-        .await
-        .map_err(MagickError::CreateDir)?;
-
-    let tmp_one = crate::file::File::create(&input_file)
-        .await
-        .map_err(MagickError::CreateFile)?;
-    let tmp_one = (f)(tmp_one).await?;
-    tmp_one.close().await.map_err(MagickError::CloseFile)?;
-
     let envs = [
         (MAGICK_TEMPORARY_PATH, temporary_path.as_os_str()),
         (MAGICK_CONFIGURE_PATH, state.policy_dir.as_os_str()),
@@ -91,19 +67,16 @@ where
     let res = Process::run(
         "magick",
         &[
-            "convert".as_ref(),
-            // "-ping".as_ref(), // re-enable -ping after imagemagick fix
-            input_file.as_os_str(),
-            "JSON:".as_ref(),
+            "convert", // "-ping".as_ref(), // re-enable -ping after imagemagick fix
+            "-", "JSON:",
         ],
         &envs,
         state.config.media.process_timeout,
     )?
-    .read()
+    .drive_with_async_read(stream.into_reader())
     .into_string()
     .await;
 
-    input_file.cleanup().await.map_err(MagickError::Cleanup)?;
     temporary_path
         .cleanup()
         .await

src/generate.rs

@@ -173,16 +173,19 @@ where
         .await?
         .ok_or(UploadError::MissingIdentifier)?;
 
-    let (reader, media_type) = if let Some(processable_format) =
-        original_details.internal_format().processable_format()
-    {
+    let (reader, media_type) =
+        if let Some(processable_format) = original_details.internal_format().processable_format() {
             let thumbnail_format = state.config.media.image.format.unwrap_or(ImageFormat::Webp);
 
             let stream = state.store.to_stream(&identifier, None, None).await?;
 
-        let reader = magick::thumbnail(state, stream, processable_format, thumbnail_format).await?;
+            let process =
+                magick::thumbnail_command(state, processable_format, thumbnail_format).await?;
 
-        (reader, thumbnail_format.media_type())
+            (
+                process.drive_with_stream(stream),
+                thumbnail_format.media_type(),
+            )
         } else {
             let thumbnail_format = match state.config.media.image.format {
                 Some(ImageFormat::Webp | ImageFormat::Avif | ImageFormat::Jxl) => {

src/generate/magick.rs

@@ -1,25 +1,17 @@
 use std::ffi::OsStr;
 
-use actix_web::web::Bytes;
-
 use crate::{
     formats::{ImageFormat, ProcessableFormat},
     magick::{MagickError, MAGICK_CONFIGURE_PATH, MAGICK_TEMPORARY_PATH},
-    process::{Process, ProcessRead},
+    process::Process,
     state::State,
-    stream::LocalBoxStream,
 };
 
-async fn thumbnail_animation<S, F, Fut>(
+pub(super) async fn thumbnail_command<S>(
     state: &State<S>,
     input_format: ProcessableFormat,
     thumbnail_format: ImageFormat,
-    write_file: F,
-) -> Result<ProcessRead, MagickError>
-where
-    F: FnOnce(crate::file::File) -> Fut,
-    Fut: std::future::Future<Output = Result<crate::file::File, MagickError>>,
-{
+) -> Result<Process, MagickError> {
     let format = ProcessableFormat::Image(thumbnail_format);
     let quality = state.config.media.image.quality_for(thumbnail_format);
 
@@ -29,22 +21,7 @@ where
         .await
         .map_err(MagickError::CreateTemporaryDirectory)?;
 
-    let input_file = state.tmp_dir.tmp_file(None);
-    crate::store::file_store::safe_create_parent(&input_file)
-        .await
-        .map_err(MagickError::CreateDir)?;
-
-    let tmp_one = crate::file::File::create(&input_file)
-        .await
-        .map_err(MagickError::CreateFile)?;
-    let tmp_one = (write_file)(tmp_one).await?;
-    tmp_one.close().await.map_err(MagickError::CloseFile)?;
-
-    let input_arg = [
-        input_format.magick_format().as_ref(),
-        input_file.as_os_str(),
-    ]
-    .join(":".as_ref());
+    let input_arg = format!("{}:-", input_format.magick_format());
     let output_arg = format!("{}:-", format.magick_format());
     let quality = quality.map(|q| q.to_string());
 
@@ -52,7 +29,7 @@ where
 
     let mut args: Vec<&OsStr> = Vec::with_capacity(len);
     args.push("convert".as_ref());
-    args.push(&input_arg);
+    args.push(input_arg.as_ref());
     if format.coalesce() {
         args.push("-coalesce".as_ref());
     }
@@ -66,31 +43,8 @@ where
         (MAGICK_CONFIGURE_PATH, state.policy_dir.as_os_str()),
     ];
 
-    let reader = Process::run("magick", &args, &envs, state.config.media.process_timeout)?
-        .read()
-        .add_extras(input_file)
+    let process = Process::run("magick", &args, &envs, state.config.media.process_timeout)?
         .add_extras(temporary_path);
 
-    Ok(reader)
-}
-
-pub(super) async fn thumbnail<S>(
-    state: &State<S>,
-    stream: LocalBoxStream<'static, std::io::Result<Bytes>>,
-    input_format: ProcessableFormat,
-    thumbnail_format: ImageFormat,
-) -> Result<ProcessRead, MagickError> {
-    thumbnail_animation(
-        state,
-        input_format,
-        thumbnail_format,
-        |mut tmp_file| async move {
-            tmp_file
-                .write_from_stream(stream)
-                .await
-                .map_err(MagickError::Write)?;
-            Ok(tmp_file)
-        },
-    )
-    .await
+    Ok(process)
 }

src/magick.rs

@@ -20,21 +20,9 @@ pub(crate) enum MagickError {
     #[error("Invalid output format: {0}")]
     Json(String, #[source] serde_json::Error),
 
-    #[error("Error writing bytes")]
-    Write(#[source] std::io::Error),
-
-    #[error("Error creating file")]
-    CreateFile(#[source] std::io::Error),
-
-    #[error("Error creating directory")]
-    CreateDir(#[source] crate::store::file_store::FileError),
-
     #[error("Error creating temporary directory")]
     CreateTemporaryDirectory(#[source] std::io::Error),
 
-    #[error("Error closing file")]
-    CloseFile(#[source] std::io::Error),
-
     #[error("Error in metadata discovery")]
     Discover(#[source] crate::discover::DiscoverError),
 
@@ -63,11 +51,7 @@ impl MagickError {
             Self::CommandFailed(_) => ErrorCode::COMMAND_FAILURE,
             Self::Process(e) => e.error_code(),
             Self::Json(_, _)
-            | Self::Write(_)
-            | Self::CreateFile(_)
-            | Self::CreateDir(_)
             | Self::CreateTemporaryDirectory(_)
-            | Self::CloseFile(_)
             | Self::Discover(_)
             | Self::Cleanup(_)
             | Self::Empty => ErrorCode::COMMAND_ERROR,

src/process.rs

@@ -415,7 +415,7 @@ impl ProcessRead {
         let handle = Box::pin(async move {
             self.with_stdout(move |mut stdout| async move {
                 let child_fut = async {
-                    let n = tokio::io::copy(&mut stdout, &mut stdin).await?;
+                    tokio::io::copy(&mut stdout, &mut stdin).await?;
                     drop(stdout);
                     drop(stdin);