Compress images

2024-05-10 11:54:40 +01:00 · 2024-05-10 11:54:40 +01:00 · 7d86f94458
commit 7d86f94458
parent f0445d8ee9
11 changed files with 500 additions and 25 deletions
--- a/.gitignore
+++ b/.gitignore
@ -1,2 +1,3 @@
 target/
-data/
+data/
+.idea/
--- a/Cargo.lock
+++ b/Cargo.lock
@ -195,6 +195,26 @@ version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "383d29d513d8764dcdc42ea295d979eb99c3c9f00607b3692cf68a431f7dca72"

+[[package]]
+name = "bindgen"
+version = "0.64.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c4243e6031260db77ede97ad86c27e501d646a27ab57b59a574f725d98ab1fb4"
+dependencies = [
+ "bitflags 1.3.2",
+ "cexpr",
+ "clang-sys",
+ "lazy_static",
+ "lazycell",
+ "peeking_take_while",
+ "proc-macro2",
+ "quote",
+ "regex",
+ "rustc-hash",
+ "shlex",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "bip39"
 version = "2.0.0"
@ -319,6 +339,15 @@ version = "1.0.95"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d32a725bc159af97c3e629873bb9f88fb8cf8a4867175f76dc987815ea07c83b"

+[[package]]
+name = "cexpr"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fac387a98bb7c37292057cffc56d62ecb629900026402633ae9160df93a8766"
+dependencies = [
+ "nom",
+]
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@ -375,6 +404,17 @@ dependencies = [
 "zeroize",
 ]

+[[package]]
+name = "clang-sys"
+version = "1.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "67523a3b4be3ce1989d607a828d036249522dd9c1c8de7f4dd2dae43a37369d1"
+dependencies = [
+ "glob",
+ "libc",
+ "libloading",
+]
+
 [[package]]
 name = "config"
 version = "0.14.0"
@ -653,6 +693,20 @@ version = "2.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "658bd65b1cf4c852a3cc96f18a8ce7b5640f6b703f905c7d74532294c2a63984"

+[[package]]
+name = "ffmpeg-sys-the-third"
+version = "1.1.1+ffmpeg-6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "94a4b2e9c02074c0ee85661b23b3ac849bad6afc554b503c183975f5e2e0d3de"
+dependencies = [
+ "bindgen",
+ "cc",
+ "libc",
+ "num_cpus",
+ "pkg-config",
+ "vcpkg",
+]
+
 [[package]]
 name = "figment"
 version = "0.10.18"
@ -1225,12 +1279,28 @@ dependencies = [
 "spin 0.5.2",
 ]

+[[package]]
+name = "lazycell"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
+
 [[package]]
 name = "libc"
 version = "0.2.153"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c198f91728a82281a64e1f4f9eeb25d82cb32a5de251c6bd1b5154d63a8e7bd"

+[[package]]
+name = "libloading"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0c2a198fb6b0eada2a8df47933734e6d35d350665a33a3593d7164fa52c75c19"
+dependencies = [
+ "cfg-if",
+ "windows-targets 0.52.5",
+]
+
 [[package]]
 name = "libm"
 version = "0.2.8"
@ -1603,6 +1673,12 @@ dependencies = [
 "syn 2.0.60",
 ]

+[[package]]
+name = "peeking_take_while"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099"
+
 [[package]]
 name = "pem-rfc7468"
 version = "0.7.0"
@ -2085,6 +2161,12 @@ version = "0.1.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d626bb9dae77e28219937af045c257c28bfd3f69333c512553507f5f9798cb76"

+[[package]]
+name = "rustc-hash"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
+
 [[package]]
 name = "rustix"
 version = "0.38.34"
@ -2289,6 +2371,12 @@ dependencies = [
 "lazy_static",
 ]

+[[package]]
+name = "shlex"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
+
 [[package]]
 name = "signal-hook-registry"
 version = "1.4.2"
@ -3082,7 +3170,9 @@ dependencies = [
 "base64 0.21.7",
 "chrono",
 "config",
+ "ffmpeg-sys-the-third",
 "hex",
+ "libc",
 "log",
 "nostr",
 "pretty_env_logger",
--- a/Cargo.toml
+++ b/Cargo.toml
@ -20,3 +20,5 @@ sha2 = "0.10.8"
 sqlx = { version = "0.7.4", features = ["mysql", "runtime-tokio", "chrono"] }
 config = { version = "0.14.0", features = ["toml"] }
 chrono = { version = "0.4.38", features = ["serde"] }
+ffmpeg-sys-the-third = { version = "1.1.1",features = ["default"] }
+libc = "0.2.153"
--- a/27
+++ b/27
@ -3,11 +3,38 @@ ARG IMAGE=rust:bookworm
 FROM $IMAGE as build
 WORKDIR /app/src
 COPY . .
+ENV FFMPEG_DIR=/app/ffmpeg
+RUN apt update && \
+    apt install -y \
+    build-essential \
+    libx264-dev \
+    libwebp-dev \
+    nasm \
+    libclang-dev && \
+    rm -rf /var/lib/apt/lists/*
+RUN git clone --depth=1 https://git.ffmpeg.org/ffmpeg.git && \
+    cd ffmpeg && \
+    ./configure \
+    --prefix=$FFMPEG_DIR \
+    --disable-programs \
+    --disable-doc \
+    --disable-network \
+    --enable-gpl \
+    --enable-version3 \
+    --enable-libx264 \
+    --enable-libwebp \
+    --disable-static \
+    --enable-shared && \
+    make -j8 && make install
 RUN cargo install --path . --root /app/build

 FROM $IMAGE as runner
 WORKDIR /app
+RUN apt update && \
+    apt install -y libx264-164 libwebp7 && \
+    rm -rf /var/lib/apt/lists/*
 COPY --from=build /app/build .
 COPY --from=build /app/src/ui ui
 COPY --from=build /app/src/config.toml .
+COPY --from=build /app/ffmpeg/lib/ /lib
 ENTRYPOINT ["/app/bin/void_cat"]
--- a/src/filesystem.rs
+++ b/src/filesystem.rs
@ -1,7 +1,9 @@
 use std::env::temp_dir;
-use std::io::{SeekFrom};
+use std::fs;
+use std::io::SeekFrom;
 use std::path::{Path, PathBuf};
-use std::{fs};
+use std::sync::{Arc, Mutex};
+use std::time::SystemTime;

 use anyhow::Error;
 use log::info;
@ -9,6 +11,7 @@ use sha2::{Digest, Sha256};
 use tokio::fs::File;
 use tokio::io::{AsyncRead, AsyncReadExt, AsyncSeekExt};

+use crate::processing::{FileProcessor, MediaProcessor};
 use crate::settings::Settings;

 #[derive(Clone)]
@ -20,12 +23,14 @@ pub struct FileSystemResult {

 pub struct FileStore {
    path: String,
+    processor: Arc<Mutex<MediaProcessor>>,
 }

 impl FileStore {
    pub fn new(settings: Settings) -> Self {
        Self {
            path: settings.storage_dir,
+            processor: Arc::new(Mutex::new(MediaProcessor::new())),
        }
    }

@ -35,23 +40,49 @@ impl FileStore {
    }

    /// Store a new file
-    pub async fn put<TStream>(&self, mut stream: TStream) -> Result<FileSystemResult, Error>
-    where
-        TStream: AsyncRead + Unpin,
+    pub async fn put<TStream>(&self, mut stream: TStream, mime_type: &str) -> Result<FileSystemResult, Error>
+        where
+            TStream: AsyncRead + Unpin,
    {
        let random_id = uuid::Uuid::new_v4();
-        let tmp_path = FileStore::map_temp(random_id);

-        let mut file = File::options()
-            .create(true)
-            .write(true)
-            .read(true)
-            .open(tmp_path.clone())
-            .await?;
-        let n = tokio::io::copy(&mut stream, &mut file).await?;
+        let (n, hash, tmp_path) = {
+            let tmp_path = FileStore::map_temp(random_id);
+            let mut file = File::options()
+                .create(true)
+                .write(true)
+                .read(true)
+                .open(tmp_path.clone())
+                .await?;
+            tokio::io::copy(&mut stream, &mut file).await?;

-        info!("File saved to temp path: {}", tmp_path.to_str().unwrap());
-        let hash = FileStore::hash_file(&mut file).await?;
+            info!("File saved to temp path: {}", tmp_path.to_str().unwrap());
+
+            let start = SystemTime::now();
+            let new_temp = {
+                let mut p_lock = self.processor.lock().expect("asd");
+                p_lock.process_file(tmp_path.clone(), mime_type)?
+            };
+            let old_size = tmp_path.metadata()?.len();
+            let new_size = new_temp.metadata()?.len();
+            info!("Compressed media: ratio={:.2}x, old_size={:.3}kb, new_size={:.3}kb, duration={:.2}ms",
+                old_size as f32 / new_size as f32,
+                old_size as f32 / 1024.0,
+                new_size as f32 / 1024.0,
+                SystemTime::now().duration_since(start).unwrap().as_micros() as f64 / 1000.0
+            );
+
+            let mut file = File::options()
+                .create(true)
+                .write(true)
+                .read(true)
+                .open(new_temp.clone())
+                .await?;
+            let n = file.metadata().await?.len();
+            let hash = FileStore::hash_file(&mut file).await?;
+            fs::remove_file(tmp_path)?;
+            (n, hash, new_temp)
+        };
        let dst_path = self.map_path(&hash);
        fs::create_dir_all(dst_path.parent().unwrap())?;
        if let Err(e) = fs::copy(&tmp_path, &dst_path) {
--- a/src/main.rs
+++ b/src/main.rs
@ -18,6 +18,7 @@ mod db;
 mod filesystem;
 mod routes;
 mod settings;
+mod processing;

 #[rocket::main]
 async fn main() -> Result<(), Error> {
--- a/src/processing/image.rs
+++ b/src/processing/image.rs
@ -0,0 +1,214 @@
+use std::mem::transmute;
+use std::path::PathBuf;
+use std::ptr;
+
+use anyhow::Error;
+use ffmpeg_sys_the_third::{av_dump_format, av_frame_alloc, av_frame_copy_props, av_frame_free, av_guess_format, av_interleaved_write_frame, av_packet_alloc, av_packet_free, av_packet_rescale_ts, av_packet_unref, av_read_frame, av_write_trailer, avcodec_alloc_context3, avcodec_find_decoder, avcodec_find_encoder, avcodec_free_context, avcodec_open2, avcodec_parameters_from_context, avcodec_parameters_to_context, avcodec_receive_frame, avcodec_receive_packet, avcodec_send_frame, avcodec_send_packet, AVERROR, AVERROR_EOF, avformat_alloc_output_context2, avformat_close_input, avformat_find_stream_info, avformat_free_context, avformat_init_output, avformat_new_stream, avformat_open_input, avformat_write_header, AVFormatContext, AVIO_FLAG_WRITE, avio_open, sws_getContext, sws_scale_frame};
+use ffmpeg_sys_the_third::AVPictureType::AV_PICTURE_TYPE_NONE;
+use ffmpeg_sys_the_third::AVPixelFormat::AV_PIX_FMT_YUV420P;
+use libc::EAGAIN;
+
+use crate::processing::FileProcessor;
+
+pub struct ImageProcessor {}
+
+impl ImageProcessor {
+    pub fn new() -> Self {
+        Self {}
+    }
+}
+
+impl FileProcessor for ImageProcessor {
+    fn process_file(&mut self, in_file: PathBuf, mime_type: &str) -> Result<PathBuf, Error> {
+        unsafe {
+            let mut out_path = in_file.clone();
+            out_path.set_extension("_compressed");
+            
+            let mut dec_fmt: *mut AVFormatContext = ptr::null_mut();
+            let ret = avformat_open_input(&mut dec_fmt,
+                                          format!("{}\0", in_file.into_os_string().into_string().unwrap()).as_ptr() as *const libc::c_char,
+                                          ptr::null_mut(),
+                                          ptr::null_mut());
+            if ret < 0 {
+                panic!("Failed to create input context")
+            }
+
+            let ret = avformat_find_stream_info(dec_fmt, ptr::null_mut());
+            if ret < 0 {
+                panic!("Failed to probe input")
+            }
+
+            let in_stream = *(*dec_fmt).streams.add(0);
+            let decoder = avcodec_find_decoder((*(*in_stream).codecpar).codec_id);
+            let mut dec_ctx = avcodec_alloc_context3(decoder);
+            if dec_ctx.is_null() {
+                panic!("Failed to open decoder")
+            }
+
+            let ret = avcodec_parameters_to_context(dec_ctx, (*in_stream).codecpar);
+            if ret < 0 {
+                panic!("Failed to copy codec params to decoder")
+            }
+
+            let ret = avcodec_open2(dec_ctx, decoder, ptr::null_mut());
+            if ret < 0 {
+                panic!("Failed to open decoder")
+            }
+
+            let out_format = av_guess_format("webp\0".as_ptr() as *const libc::c_char,
+                                             ptr::null_mut(),
+                                             "image/webp\0".as_ptr() as *const libc::c_char);
+            let out_filename = format!("{}\0", out_path.clone().into_os_string().into_string().unwrap());
+            let mut out_fmt: *mut AVFormatContext = ptr::null_mut();
+            let ret = avformat_alloc_output_context2(&mut out_fmt,
+                                                     out_format,
+                                                     ptr::null_mut(),
+                                                     out_filename.as_ptr() as *const libc::c_char);
+            if ret < 0 {
+                panic!("Failed to create output context")
+            }
+            
+            let ret = avio_open(&mut (*out_fmt).pb, (*out_fmt).url, AVIO_FLAG_WRITE);
+            if ret < 0 {
+                panic!("Failed to open output IO")
+            }
+            
+            let out_codec = avcodec_find_encoder((*(*out_fmt).oformat).video_codec);
+            let stream = avformat_new_stream(out_fmt, out_codec);
+
+            let mut encoder = avcodec_alloc_context3(out_codec);
+            if encoder.is_null() {
+                panic!("Failed to create encoder context")
+            }
+            (*encoder).width = (*(*in_stream).codecpar).width;
+            (*encoder).height = (*(*in_stream).codecpar).height;
+            (*encoder).pix_fmt = AV_PIX_FMT_YUV420P;
+            (*encoder).time_base = (*in_stream).time_base;
+            (*encoder).framerate = (*in_stream).avg_frame_rate;
+            (*stream).time_base = (*encoder).time_base;
+            (*stream).avg_frame_rate = (*encoder).framerate;
+            (*stream).r_frame_rate = (*encoder).framerate;
+
+            let ret = avcodec_open2(encoder, out_codec, ptr::null_mut());
+            if ret < 0 {
+                panic!("Failed to open encoder");
+            }
+
+            let ret = avcodec_parameters_from_context((*stream).codecpar, encoder);
+            if ret < 0 {
+                panic!("Failed to open encoder");
+            }
+
+            let ret = avformat_init_output(out_fmt, ptr::null_mut());
+            if ret < 0 {
+                panic!("Failed to write output");
+            }
+
+            av_dump_format(out_fmt, 0, ptr::null_mut(), 1);
+
+            let sws_ctx = sws_getContext((*(*in_stream).codecpar).width,
+                                         (*(*in_stream).codecpar).height,
+                                         transmute((*(*in_stream).codecpar).format),
+                                         (*(*stream).codecpar).width,
+                                         (*(*stream).codecpar).height,
+                                         transmute((*(*stream).codecpar).format),
+                                         0, ptr::null_mut(), ptr::null_mut(), ptr::null_mut());
+            if sws_ctx.is_null() {
+                panic!("Failed to create sws context");
+            }
+            
+            let ret = avformat_write_header(out_fmt, ptr::null_mut());
+            if ret < 0 {
+                panic!("Failed to write header to output");
+            }
+            
+            let mut pkt = av_packet_alloc();
+            loop {
+                let ret = av_read_frame(dec_fmt, pkt);
+                if ret < 0 {
+                    break;
+                }
+
+                let in_stream = *(*dec_fmt).streams.add((*pkt).stream_index as usize);
+                let out_stream = *(*out_fmt).streams;
+                av_packet_rescale_ts(pkt, (*in_stream).time_base, (*out_stream).time_base);
+
+                let ret = avcodec_send_packet(dec_ctx, pkt);
+                if ret < 0 {
+                    panic!("Failed to decode packet");
+                }
+
+
+                let mut frame = av_frame_alloc();
+                let mut frame_out = av_frame_alloc();
+                loop {
+                    let ret = avcodec_receive_frame(dec_ctx, frame);
+                    if ret == AVERROR_EOF || ret == AVERROR(EAGAIN) {
+                        break;
+                    } else if ret < 0 {
+                        panic!("Frame read error")
+                    }
+
+                    av_frame_copy_props(frame_out, frame);
+                    let ret = sws_scale_frame(sws_ctx, frame_out, frame);
+                    if ret < 0 {
+                        panic!("Failed to scale frame")
+                    }
+
+                    (*frame_out).pict_type = AV_PICTURE_TYPE_NONE;
+                    (*frame_out).time_base = (*in_stream).time_base;
+
+                    let ret = avcodec_send_frame(encoder, frame_out);
+                    if ret < 0 {
+                        panic!("Failed to encode frame")
+                    }
+                    av_packet_unref(pkt);
+                    loop {
+                        let ret = avcodec_receive_packet(encoder, pkt);
+                        if ret == AVERROR_EOF || ret == AVERROR(EAGAIN) {
+                            break;
+                        } else if ret < 0 {
+                            panic!("Frame read error")
+                        }
+
+                        let ret = av_interleaved_write_frame(out_fmt, pkt);
+                        if ret < 0 {
+                            panic!("Failed to encode frame")
+                        }
+                    }
+                }
+                av_frame_free(&mut frame_out);
+                av_frame_free(&mut frame);
+            }
+
+            // flush encoder
+            avcodec_send_frame(encoder, ptr::null_mut());
+            loop {
+                let ret = avcodec_receive_packet(encoder, pkt);
+                if ret == AVERROR_EOF || ret == AVERROR(EAGAIN) {
+                    break;
+                } else if ret < 0 {
+                    panic!("Frame read error")
+                }
+
+                let ret = av_interleaved_write_frame(out_fmt, pkt);
+                if ret < 0 {
+                    panic!("Failed to encode frame")
+                }
+            }
+
+            av_interleaved_write_frame(out_fmt, ptr::null_mut());
+            av_write_trailer(out_fmt);
+            
+            av_packet_free(&mut pkt);
+            avcodec_free_context(&mut dec_ctx);
+            avcodec_free_context(&mut encoder);
+
+            avformat_close_input(&mut dec_fmt);
+            avformat_free_context(dec_fmt);
+            avformat_free_context(out_fmt);
+
+            Ok(out_path)
+        }
+    }
+}
--- a/src/processing/mod.rs
+++ b/src/processing/mod.rs
@ -0,0 +1,45 @@
+use std::collections::HashMap;
+use std::path::PathBuf;
+
+use anyhow::Error;
+use crate::processing::image::ImageProcessor;
+
+mod image;
+
+pub(crate) trait FileProcessor {
+    fn process_file(&mut self, in_file: PathBuf, mime_type: &str) -> Result<PathBuf, Error>;
+}
+
+pub(crate) struct MediaProcessor {
+    processors: HashMap<String, Box<dyn FileProcessor + Sync + Send>>,
+}
+
+impl MediaProcessor {
+    pub fn new() -> Self {
+        Self {
+            processors: HashMap::new()
+        }
+    }
+}
+
+impl FileProcessor for MediaProcessor {
+    fn process_file(&mut self, in_file: PathBuf, mime_type: &str) -> Result<PathBuf, Error> {
+        if !self.processors.contains_key(mime_type) {
+            if mime_type.starts_with("image/") {
+                let ix = ImageProcessor::new();
+                self.processors.insert(mime_type.to_string(), Box::new(ix));
+            } else if mime_type.starts_with("video/") {
+                
+            }
+        }
+        
+        let proc = match self.processors.get_mut(mime_type) {
+            Some(p) => p,
+            None => {
+                return Err(Error::msg("Not supported mime type"));
+            }
+        };
+        
+        proc.process_file(in_file, mime_type)
+    }
+}
--- a/src/routes/blossom.rs
+++ b/src/routes/blossom.rs
@ -1,3 +1,4 @@
+use std::sync::{Mutex, RwLock};
 use chrono::Utc;
 use log::{error};
 use nostr::prelude::hex;
@ -102,8 +103,12 @@ async fn upload(
    if size.is_none() {
        return BlossomResponse::error("Invalid request, no size tag");
    }
+    let mime_type = auth
+        .content_type
+        .unwrap_or("application/octet-stream".to_string());
+    
    match fs
-        .put(data.open(ByteUnit::from(settings.max_upload_bytes)))
+        .put(data.open(ByteUnit::from(settings.max_upload_bytes)), &mime_type)
        .await
    {
        Ok(blob) => {
@ -119,9 +124,7 @@ async fn upload(
                user_id,
                name: name.unwrap_or("".to_string()),
                size: blob.size,
-                mime_type: auth
-                    .content_type
-                    .unwrap_or("application/octet-stream".to_string()),
+                mime_type,
                created: Utc::now(),
            };
            if let Err(e) = db.add_file(&f).await {
--- a/src/routes/nip96.rs
+++ b/src/routes/nip96.rs
@ -1,11 +1,13 @@
 use std::collections::HashMap;
+use std::sync::Mutex;

 use chrono::Utc;
+use rocket::{FromForm, Responder, Route, routes, State};
+use rocket::data::ByteUnit;
 use rocket::form::Form;
 use rocket::fs::TempFile;
 use rocket::serde::json::Json;
 use rocket::serde::Serialize;
-use rocket::{routes, FromForm, Responder, Route, State};

 use crate::auth::nip98::Nip98Auth;
 use crate::db::{Database, FileUpload};
@ -156,7 +158,12 @@ async fn upload(
        Ok(f) => f,
        Err(e) => return Nip96Response::error(&format!("Could not open file: {}", e)),
    };
-    match fs.put(file).await {
+    let mime_type = form.media_type
+        .unwrap_or("application/octet-stream");
+    match fs
+        .put(file, mime_type)
+        .await
+    {
        Ok(blob) => {
            let pubkey_vec = auth.event.pubkey.to_bytes().to_vec();
            let user_id = match db.upsert_user(&pubkey_vec).await {
--- a/ui/index.html
+++ b/ui/index.html
@ -9,10 +9,64 @@
            color: white;
        }
    </style>
+    <script>
+        async function uploadFiles(e) {
+            const input = document.querySelector("#file");
+            const file = input.files[0];
+            console.debug(file);
+
+            const fd = new FormData();
+            fd.append("size", file.size.toString());
+            fd.append("caption", file.name);
+            fd.append("media_type", file.type);
+            fd.append("file", file);
+
+            const auth_event = await window.nostr.signEvent({
+                kind: 27235,
+                created_at: Math.floor(new Date().getTime() / 1000),
+                content: "",
+                tags: [
+                    ["u", `${window.location.protocol}//${window.location.host}/n96`],
+                    ["method", "POST"]
+                ]
+            });
+            const rsp = await fetch("/n96", {
+                body: fd,
+                method: "POST",
+                headers: {
+                    accept: "application/json",
+                    authorization: `Nostr ${btoa(JSON.stringify(auth_event))}`,
+                },
+            });
+            console.debug(rsp);
+            const text = await rsp.text();
+            if (rsp.ok) {
+                document.querySelector("#log").append(JSON.stringify(JSON.parse(text), undefined, 2));
+            } else {
+                document.querySelector("#log").append(text);
+            }
+            document.querySelector("#log").append("\n");
+        }
+    </script>
 </head>
 <body>
-    <h1>
-        Welcome to void_cat_rs
-    </h1>
+<h1>
+    Welcome to void_cat_rs
+</h1>
+<div>
+    <p>
+        Upload a file using NIP-96
+    </p>
+    <small>
+        You must have a nostr extension for this to work
+    </small>
+</div>
+<div>
+    <input type="file" id="file">
+    <button type="submit" onclick="uploadFiles(event)">
+        Upload
+    </button>
+</div>
+<pre id="log"></pre>
 </body>
 </html>