file uploads

README.md

@@ -12,10 +12,18 @@ app_port: 7860
 
 ### What is this project?
 
+WARNING - This project is not finished!
+
 Gaussian Splatting API is a REST API to generate 3D Gaussian Splatting scenes from a set of images.
 
 It is a wrapper around [MrNERF/gaussian-splatting-cuda](https://github.com/MrNeRF/gaussian-splatting-cuda).
 
+### TODO
+
+- [x] Compile gaussian-splatting-cuda with Docker
+- [ ] Support upload of assets
+- [ ] Support download of scenes
+
 ### License
 
 The server wrapping code is open-source, but the code engine [gaussian-splatting-cuda](https://github.com/MrNeRF/gaussian-splatting-cuda) is based on [project by the Inria and the Max Planck Institut for Informatik (MPII)](https://github.com/graphdeco-inria/gaussian-splatting).
@@ -26,7 +34,8 @@ This is a [publicly funded project](https://repo-sam.inria.fr/fungraph/3d-gaussi
 
 You will have to talk with the original rightholders at the INRIA and MPII.
 
-Also, please tell if you know about any alternative project with a fully permissive open-source licensing.
+Also, please tell me if you know about any alternative project with a fully permissive open-source licensing.
+
 
 ## Running on your machine
 

package-lock.json

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+        "node": ">=10"
+      }
+    },
     "node_modules/minimist": {
       "version": "1.2.8",
       "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.8.tgz",
@@ -1160,6 +1448,14 @@
         "url": "https://opencollective.com/node-fetch"
       }
     },
+    "node_modules/normalize-path": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-3.0.0.tgz",
+      "integrity": "sha512-6eZs5Ls3WtCisHWp9S2GUy8dqkpGi4BVSz3GaqiE6ezub0512ESztXUwUB6C6IKbQkY2Pnb/mD4WYojCRwcwLA==",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/object-inspect": {
       "version": "1.12.3",
       "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.12.3.tgz",
@@ -1200,6 +1496,11 @@
       "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.7.tgz",
       "integrity": "sha512-5DFkuoqlv1uYQKxy8omFBeJPQcdoE07Kv2sferDCrAq1ohOU+MSDswDIbnx3YAM60qIOnYa53wBhXW0EbMonrQ=="
     },
+    "node_modules/pend": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/pend/-/pend-1.2.0.tgz",
+      "integrity": "sha512-F3asv42UuXchdzt+xXqfW1OGlVBe+mxa2mqI0pg5yAHZPvFmY3Y6drSf/GQ1A86WgWEN9Kzh/WrgKa6iGcHXLg=="
+    },
     "node_modules/picomatch": {
       "version": "2.3.1",
       "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
@@ -1262,6 +1563,11 @@
         "node": ">=6"
       }
     },
+    "node_modules/process-nextick-args": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz",
+      "integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag=="
+    },
     "node_modules/proxy-addr": {
       "version": "2.0.7",
       "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.7.tgz",
@@ -1370,6 +1676,14 @@
         "node": ">= 6"
       }
     },
+    "node_modules/readdir-glob": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/readdir-glob/-/readdir-glob-1.1.3.tgz",
+      "integrity": "sha512-v05I2k7xN8zXvPD9N+z/uhXPaj0sUFCe2rcWZIpBsqxfP7xXFQ0tipAd/wjj1YxWyWtUS5IDJpOG82JKt2EAVA==",
+      "dependencies": {
+        "minimatch": "^5.1.0"
+      }
+    },
     "node_modules/require-all": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/require-all/-/require-all-3.0.0.tgz",
@@ -1596,6 +1910,14 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/streamsearch": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/streamsearch/-/streamsearch-1.1.0.tgz",
+      "integrity": "sha512-Mcc5wHehp9aXz1ax6bZUyY5afg9u2rv5cqQI3mRrYkGC8rW2hM02jWuwjtL++LS5qinSyhj2QfLyNsuc+VsExg==",
+      "engines": {
+        "node": ">=10.0.0"
+      }
+    },
     "node_modules/streamx": {
       "version": "2.15.1",
       "resolved": "https://registry.npmjs.org/streamx/-/streamx-2.15.1.tgz",
@@ -1826,6 +2148,15 @@
         "node": ">= 14"
       }
     },
+    "node_modules/yauzl": {
+      "version": "2.10.0",
+      "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.10.0.tgz",
+      "integrity": "sha512-p4a9I6X6nu6IhoGmBqAcbJy1mlC4j27vEPZX9F4L4/vZT3Lyq1VkFHw/V/PUcB9Buo+DG3iHkT0x3Qya58zc3g==",
+      "dependencies": {
+        "buffer-crc32": "~0.2.3",
+        "fd-slicer": "~1.1.0"
+      }
+    },
     "node_modules/yn": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/yn/-/yn-3.1.1.tgz",
@@ -1833,6 +2164,19 @@
       "engines": {
         "node": ">=6"
       }
+    },
+    "node_modules/zip-stream": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/zip-stream/-/zip-stream-5.0.1.tgz",
+      "integrity": "sha512-UfZ0oa0C8LI58wJ+moL46BDIMgCQbnsb+2PoiJYtonhBsMh2bq1eRBVkvjfVsqbEHd9/EgKPUuL9saSSsec8OA==",
+      "dependencies": {
+        "archiver-utils": "^4.0.1",
+        "compress-commons": "^5.0.1",
+        "readable-stream": "^3.6.0"
+      },
+      "engines": {
+        "node": ">= 12.0.0"
+      }
     }
   }
 }

package.json

@@ -16,8 +16,11 @@
     "@gorgonjs/gorgon": "^1.4.1",
     "@types/express": "^4.17.17",
     "@types/uuid": "^9.0.2",
+    "archiver": "^6.0.1",
     "eventsource-parser": "^1.0.0",
     "express": "^4.18.2",
+    "express-fileupload": "^1.4.0",
+    "extract-zip": "^2.0.1",
     "fs-extra": "^11.1.1",
     "node-fetch": "^3.3.1",
     "resize-base64": "^1.0.12",

src/index.mts

@@ -1,11 +1,22 @@
+import { initFolders } from "./initFolders.mts"
 import express from "express"
+import fileUpload from "express-fileupload"
+import path from "path"
+import os from "os"
+import fs from "fs"
+import extract from "extract-zip"
+import archiver from "archiver"
 
 import { runGaussianSplattingCUDA, Options } from "./gaussian-splatting.mts"
 
-import { initFolders } from "./initFolders.mts"
-
 initFolders()
 
+declare module 'express-serve-static-core' {
+  interface Request {
+    files: any;
+  }
+}
+
 const app = express()
 const port = 7860
 
@@ -14,6 +25,7 @@ let activeRequests = 0
 
 app.use(express.json({limit: '50mb'}))
 app.use(express.urlencoded({limit: '50mb', extended: true}))
+app.use(fileUpload())
 
 app.post("/", async (req, res) => {
   if(activeRequests >= maxActiveRequests) {
@@ -22,26 +34,57 @@ app.post("/", async (req, res) => {
   }
   activeRequests++
   
-  let options: Options = req.body // Assuming the body contains the options
-  
+  if (!req.files || !req.files.data) {
+    res.status(400).json({error: "Missing data file in request"}).end()
+    return
+  }
+
+  let options: Options = req.body // Other parameters come in the body
+  let dataFile: fileUpload.UploadedFile = req.files.data
+
+  let inputTempDir = path.join(os.tmpdir(), Math.random().toString().slice(2))
+  let outputTempDir = path.join(os.tmpdir(), Math.random().toString().slice(2))
+
   try {
-    const result = await runGaussianSplattingCUDA(options);
-    res.status(200).json({
-      success: true,
-      message: result
-    }).end();
+    fs.mkdirSync(inputTempDir) // Create input temp directory
+    fs.mkdirSync(outputTempDir) // Create output temp directory
+
+    await dataFile.mv(path.join(inputTempDir, dataFile.name)) // Move zip file to input temp directory
+    await extract(path.join(inputTempDir, dataFile.name), {dir: inputTempDir}) // Unzip file
+
+    fs.unlinkSync(path.join(inputTempDir, dataFile.name)) // Delete zip file after extracting
+
+    options.dataPath = inputTempDir // Set dataPath to temporary directory
+    options.outputPath = outputTempDir // Set outputPath to temporary directory
+
+    const result = await runGaussianSplattingCUDA(options)
+
+    // Create a zip file of the output directory
+    let outputFilePath = path.join(outputTempDir, 'output.zip')
+    let output = fs.createWriteStream(outputFilePath)
+    let archive = archiver('zip')
+
+    archive.directory(outputTempDir, false)
+    archive.pipe(output)
+    await archive.finalize()
+
+    // Send zip file in response
+    res.status(200)
+    res.download(outputFilePath, 'output.zip', (error) => {
+      if (!error) fs.rmSync(inputTempDir, {recursive: true, force: true}) // Delete input temp directory after sending response
+      fs.rmSync(outputTempDir, {recursive: true, force: true}) // Delete output temp directory after sending response
+    })
   } catch (error) {
     res.status(500).json({
       error: "Couldn't generate gaussian splatting scene",
       message: error
     }).end()
+  } finally {
+    activeRequests--
   }
-
-  activeRequests--
 });
 
 app.get("/", async (req, res) => {
-  // this is what users will see in the space - but no need to show something scary
   res.status(200)
   res.write(`<html><head></head><body>
 Splatter API is a micro-service used to generate gaussian splatting scenes.
@@ -49,5 +92,4 @@ Splatter API is a micro-service used to generate gaussian splatting scenes.
   res.end()
 })
 
-app.listen(port, () => { console.log(`Open http://localhost:${port}`) })
-
+app.listen(port, () => { console.log(`Open http://localhost:${port}`) })