Inicial

provider/download.js

@@ -0,0 +1,65 @@
+const mimeDep = require('mime-types')
+const { tmpdir } = require('os')
+const http = require('http')
+const https = require('https')
+const { rename, createWriteStream } = require('fs')
+
+/**
+ * Extrar el mimetype from buffer
+ * @param {string} response
+ * @returns
+ */
+const fileTypeFromFile = async (response) => {
+    const type = response.headers['content-type'] ?? null
+    const ext = mimeDep.extension(type)
+    return {
+        type,
+        ext,
+    }
+}
+
+/**
+ * Descargar archivo binay en tmp
+ * @param {*} url
+ * @returns
+ */
+const generalDownload = async (url) => {
+    const handleDownload = () => {
+        const checkProtocol = url.includes('https:')
+        const handleHttp = checkProtocol ? https : http
+        const name = `tmp-${Date.now()}-dat`
+        const fullPath = `${tmpdir()}/${name}`
+        const file = createWriteStream(fullPath)
+
+        return new Promise((res, rej) => {
+            handleHttp.get(url, function (response) {
+                response.pipe(file)
+                file.on('finish', async function () {
+                    file.close()
+                    res({ response, fullPath })
+                })
+                file.on('error', function () {
+                    file.close()
+                    rej(null)
+                })
+            })
+        })
+    }
+
+    const handleFile = (pathInput, ext) =>
+        new Promise((resolve, reject) => {
+            const fullPath = `${pathInput}.${ext}`
+            rename(pathInput, fullPath, (err) => {
+                if (err) reject(null)
+                resolve(fullPath)
+            })
+        })
+
+    const httpResponse = await handleDownload()
+    const { ext } = await fileTypeFromFile(httpResponse.response)
+    const getPath = await handleFile(httpResponse.fullPath, ext)
+
+    return getPath
+}
+
+module.exports = { generalDownload }