first commit

.gitignore

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+node_modules/
+uploads/
+
+.tool-versions

README.md

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+Data encrypy

app.js

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+const express = require('express')
+const { load, DataType, open, close } = require('ffi-rs')
+const fileUpload = require('express-fileupload')
+const app = express()
+const path = require("path")
+const port = 3000
+const fs = require('fs')
+
+app.use(express.json())
+app.use(express.urlencoded({ extended: true }))
+app.use(fileUpload())
+app.use('/', express.static(path.join(__dirname, 'uploads')))
+
+function deleteFile (filePath) {
+    fs.unlink(filePath, (err) => {  
+        if (err) {  
+          console.error(`delete file: ${err}`)
+        } else {  
+          console.log(`${filePath} delete success`)
+        }  
+      });
+}
+
+function saveFileToDisk(filePath, cid) {
+    return new Promise((resolve) => {
+        const dynamicLib = "./lib/libgene_plugin.so"
+        open({
+            library: 'libgene_plugin',
+            path: dynamicLib
+        })
+        let input_path = filePath
+        let input_ct_path = path.resolve('./uploads/',  `${cid}_input_ct_path.bin`)
+        let context_path = path.resolve('./uploads/',  `${cid}_context_path.bin`)
+        // let output_ct_path = filePath.slice(0, filePath.length - 4) + '_output_ct_path.bin'
+        // let atgc_count = Buffer.alloc(10)
+        // let cgCount = Buffer.alloc(10)
+
+        const c_encrypt_data = load({
+            library: "libgene_plugin",
+            funcName: "c_encrypt_data",
+            retType: DataType.I32,
+            paramsType: [DataType.String, DataType.String, DataType.String],
+            paramsValue: [input_path, input_ct_path, context_path]
+        })
+        console.log(c_encrypt_data)
+        // const c_evaluate = load({
+        //     library: "libgene_plugin",
+        //     funcName: "c_evaluate",
+        //     retType: DataType.I32,
+        //     paramsType: [DataType.String, DataType.String],
+        //     paramsValue: [input_ct_path, output_ct_path]
+        // })
+        // const c_decrypt_data = load({
+        //     library: "libgene_plugin",
+        //     funcName: "c_decrypt_data",
+        //     retType: DataType.I32,
+        //     paramsType: [DataType.String, DataType.String, DataType.U8Array, DataType.U8Array],
+        //     paramsValue: [output_ct_path, context_path, cgCount, cgCount]
+        // })
+        close('libsum')
+        deleteFile(filePath)
+        resolve()
+    })
+
+}
+
+app.post('/upload', (req, res) => {
+    console.log('upload=1==>', req.body)
+    console.log('upload=2==>', req.files.file)
+    if (!req.files || Object.keys(req.files).length === 0) {
+        return res.status(400).send('no files found')
+    }
+
+    const uploadedFile = req.files.file
+    let filePath = path.resolve(__dirname + `/uploads/${Date.now()}` +uploadedFile.name)
+    uploadedFile.mv(filePath, (err) => {
+        if (err) {
+            return res.status(500).send(err)
+        }
+        saveFileToDisk(filePath, req.body.cid)
+        res.send({
+            code: 200,
+            msg: 'upload success!',
+            data: ''
+        })
+    })
+})
+
+app.listen(port, () => {
+    console.log(`Server is running on port ${port}`)
+})
+
+

nodemon.json

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+{
+    "ignore": ["uploads/*"]
+}
+