help prs, why do i get ENOENT on second downloadFile in downloadPlugin?

.gitignore

@@ -2,4 +2,4 @@ node_modules
 lib
 static
 kfs
-plugin
+plugins

backendsrc/FrontblockAdmin.ts

@@ -3,46 +3,26 @@
 import * as Logger from 'log4js'
 import { Plugin, socketioRPC } from 'frontblock-generic/Plugin';
 import { ErrorResponse, SuccessResponse } from 'frontblock-generic/Types';
+import { PluginManager } from './PluginManager'
 import express = require('express');
 import http = require('http');
-import fs = require('fs');
 import bsock = require('bsock');
-import fetch = require("node-fetch");
+
 
 const kfs = require("key-file-storage").default('kfs')
 
-type pluginEntry = 
-    {
-    pluginName:string
-    }
-
-const pluginList:pluginEntry[] = 
-    [
-    //{ pluginName: 'apiclient' },
-    //{ pluginName: 'paymentmanager' },
-    //{ pluginName: 'wallet' },
-    { pluginName: 'htmlsupplier' }
-    ]
-
-type releaseEntry = 
-    {
-    tagName: string,
-    staticZipURL: URL,
-    checksumFileURL: URL
-    }
-
 Logger.configure({
     appenders: 
     {
-    "admin": { type: 'stdout' },
+    "frontblock-admin": { type: 'stdout' },
     //app: { type: 'file', filename: 'application.log' }
     },
     categories: 
     {
-    default: { appenders: [ 'admin' ], level: 'debug' }
+    default: { appenders: [ 'frontblock-admin' ], level: 'debug' }
     }
 })
-const logger = Logger.getLogger("admin") 
+const logger = Logger.getLogger("frontblock-admin") 
 
 type hookRPC = 
     { 
@@ -80,58 +60,28 @@ export type rpcInfo =
  * The list of available plugins is published via the frontblock API and downloaded via gitea-releases
  */
 export class FrontblockAdmin{
-    private plugins: Plugin[]
+    private plugins: Plugin[] = []
-
     private hookToUids:{[hookName:string]:string[]} = {}
-
     private express
     private httpServer
     private io = bsock.createServer()
     private wsServer = http.createServer()
+    private pm: PluginManager
 
     constructor(){
         if(!('admin.conf' in kfs)){
             logger.info('Generating ./kfs/admin.conf')
             kfs['admin.conf'] = { httpPort: 8080 }
         }
+        this.pm = new PluginManager()
         this.initialize()
     }
 
     private async initialize(){
-        const wat = await this.fetchReleaseList('htmlsupplier')
-        logger.debug(wat)
-        //await this.downloadPlugins()
-        //this.plugins.forEach(plugin => plugin.start())
         //this.startWebsocket()
         //this.startWebserver()
     }
 
-    private async fetchReleaseList(pluginName:string): Promise<releaseEntry[]>{
-        const res = await fetch('https://gitea.frontblock.me/api/v1/repos/fb-vendor/' + pluginName + '/releases')
-        const json = await res.json();
-        const releaseList:releaseEntry[] = []
-
-        json.forEach((release) => {
-            const tagName = release.tag_name
-            const staticZipURL = release.assets.filter(asset => asset.name === pluginName + '.zip')[0].browser_download_url
-            const checksumFileURL = release.assets.filter(asset => asset.name === 'md5sum.txt')[0].browser_download_url
-            releaseList.push({tagName,staticZipURL,checksumFileURL})
-        })
-        return releaseList
-    }
-
-    private async downloadPlugin(release:releaseEntry) {
-    }
-
-    private async verifyPlugin(release:releaseEntry) {
-    }
-
-    private async extractPlugin(release:releaseEntry) {
-    }
-
-    private async installPlugin(release:releaseEntry) {
-    }
-
     private initApis(socket){
         //Declare own functions
         const rpcInfos:rpcInfo[] = [
@@ -234,7 +184,7 @@ export class FrontblockAdmin{
 
     private restartWebserver(port:number){
         this.stopWebserver()
-        kfs.FrontblockAdmin = { httpPort: port }
+        kfs['admin.conf'] = { httpPort: port }
         this.startWebserver()
     }
 

backendsrc/PluginManager.ts

@@ -0,0 +1,136 @@
+'use strict'
+
+import * as Logger from 'log4js';
+import fetch = require('node-fetch');
+import fs = require('fs');
+import path = require('path')
+import unzip = require('unzip')
+
+Logger.configure({
+    appenders: 
+    {
+    "plugin-manager": { type: 'stdout' },
+    //app: { type: 'file', filename: 'application.log' }
+    },
+    categories: 
+    {
+    default: { appenders: [ 'plugin-manager' ], level: 'debug' }
+    }
+})
+const logger = Logger.getLogger("plugin-manager") 
+
+
+export class PluginManager{
+
+    private installDir: string
+    private cacheDir: string
+    private loadedPlugins: string[]
+
+    constructor(installDir: string = './plugins'){
+        this.installDir = installDir
+        this.cacheDir = path.join(installDir, '.cache')
+        this.initialize()
+    }
+
+    private initialize() {
+        logger.info('Initializing manager')
+
+        try {
+            fs.access(this.cacheDir, async err => {
+                if (err && err.code === 'ENOENT') {
+                    await fs.promises.mkdir(this.cacheDir, {recursive: true})
+                    logger.info('Manager installed to ' + this.installDir)
+                } else {
+                    logger.info('Manager already installed at ' + this.installDir)
+                }
+            })
+        } catch (error) {
+            logger.error(error)
+        }
+    }
+
+    public async getAvailablePlugins(): Promise<string[] | void> {
+        return [
+                'apiclient',
+                'paymentmanager',
+                'wallet',
+                'htmlsupplier'
+                ]
+    }
+
+    public async getInstalledPlugins(): Promise<string[] | void> {
+        try {
+            const installed = await fs.promises.readdir(this.installDir)
+            return installed.filter( entry => entry[0] != '.')
+        } catch (error) {
+            logger.error(error)
+            return
+        }
+    }
+
+    public async getLoadedPlugins(): Promise<string[] | void> {
+        return this.loadedPlugins
+    }
+
+    private async downloadFile(url: URL, dest: string) {
+        try {
+            fs.access(path.dirname(dest), err => {
+                if (err && err.code === 'ENOENT') {
+                    fs.mkdirSync(path.dirname(dest), {recursive: true})
+                }
+            })
+
+            const file = fs.createWriteStream(dest)
+            file.on('error', err => {throw new Error(err)})
+            const response = await fetch(url)
+            if (!response.ok) throw new Error(response.statusText)
+            response.body.pipe(file)
+        } catch (error) {
+            logger.error(error)
+            await fs.promises.unlink(dest)
+        }
+    }
+
+    private async downloadPlugin(pluginName: string) {
+        try {
+            const response = await fetch('https://gitea.frontblock.me/api/v1/repos/fb-vendor/' + pluginName + '/releases')
+            if (!response.ok) throw new Error(response.statusText)
+
+            const releases = await response.json()
+            if (!releases || !releases.length) throw new Error('Empty response')
+
+            const latest = releases[0]
+            const version = latest.tag_name
+            const archiveURL = latest.assets.filter(asset => asset.name === pluginName + '.zip')[0].browser_download_url
+            const checksumURL = latest.assets.filter(asset => asset.name === 'md5sum.txt')[0].browser_download_url
+            if (!version || ! archiveURL || !checksumURL) throw new Error('Malformed response')
+
+            await this.downloadFile(archiveURL, path.join(this.cacheDir, pluginName, version, 'plugin.zip'))
+            await this.downloadFile(checksumURL, path.join(this.cacheDir, pluginName, version, 'md5sum.txt'))
+
+        } catch (error) {
+            logger.error(error)
+        }
+    }
+
+    public async installPlugin(pluginName: string) {
+        try {
+            await this.downloadPlugin(pluginName)
+        } catch (error) {
+            logger.debug(error)
+        }
+    }
+
+    public uninstallPlugin(pluginName: string) {
+        
+    }
+
+
+    public async loadPlugin() {
+        
+    }
+
+    public async unloadPlugin() {
+        
+    }
+}

package-lock.json

@@ -386,7 +386,8 @@
     "@types/angular": {
       "version": "1.6.55",
       "resolved": "https://registry.npmjs.org/@types/angular/-/angular-1.6.55.tgz",
-      "integrity": "sha512-jpQ5K6t76thd9Ook5x4Xj9K462hMje6/Q84SFxglBmaW8HOLblVnALpvg6w6aV3Oe6o9jWXnYH8gHHKrfSRxNQ=="
+      "integrity": "sha512-jpQ5K6t76thd9Ook5x4Xj9K462hMje6/Q84SFxglBmaW8HOLblVnALpvg6w6aV3Oe6o9jWXnYH8gHHKrfSRxNQ==",
+      "dev": true
     },
     "@types/babel__core": {
       "version": "7.1.2",
@@ -433,6 +434,7 @@
       "version": "1.17.0",
       "resolved": "https://registry.npmjs.org/@types/body-parser/-/body-parser-1.17.0.tgz",
       "integrity": "sha512-a2+YeUjPkztKJu5aIF2yArYFQQp8d51wZ7DavSHjFuY1mqVgidGyzEQ41JIVNy82fXj8yPgy2vJmfIywgESW6w==",
+      "dev": true,
       "requires": {
         "@types/connect": "*",
         "@types/node": "*"
@@ -442,6 +444,7 @@
       "version": "3.4.32",
       "resolved": "https://registry.npmjs.org/@types/connect/-/connect-3.4.32.tgz",
       "integrity": "sha512-4r8qa0quOvh7lGD0pre62CAb1oni1OO6ecJLGCezTmhQ8Fz50Arx9RUszryR8KlgK6avuSXvviL6yWyViQABOg==",
+      "dev": true,
       "requires": {
         "@types/node": "*"
       }
@@ -450,6 +453,7 @@
       "version": "4.17.0",
       "resolved": "https://registry.npmjs.org/@types/express/-/express-4.17.0.tgz",
       "integrity": "sha512-CjaMu57cjgjuZbh9DpkloeGxV45CnMGlVd+XpG7Gm9QgVrd7KFq+X4HY0vM+2v0bczS48Wg7bvnMY5TN+Xmcfw==",
+      "dev": true,
       "requires": {
         "@types/body-parser": "*",
         "@types/express-serve-static-core": "*",
@@ -460,6 +464,7 @@
       "version": "4.16.7",
       "resolved": "https://registry.npmjs.org/@types/express-serve-static-core/-/express-serve-static-core-4.16.7.tgz",
       "integrity": "sha512-847KvL8Q1y3TtFLRTXcVakErLJQgdpFSaq+k043xefz9raEf0C7HalpSY7OW5PyjCnY8P7bPW5t/Co9qqp+USg==",
+      "dev": true,
       "requires": {
         "@types/node": "*",
         "@types/range-parser": "*"
@@ -521,7 +526,8 @@
     "@types/mime": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/@types/mime/-/mime-2.0.1.tgz",
-      "integrity": "sha512-FwI9gX75FgVBJ7ywgnq/P7tw+/o1GUbtP0KzbtusLigAOgIgNISRK0ZPl4qertvXSIE8YbsVJueQ90cDt9YYyw=="
+      "integrity": "sha512-FwI9gX75FgVBJ7ywgnq/P7tw+/o1GUbtP0KzbtusLigAOgIgNISRK0ZPl4qertvXSIE8YbsVJueQ90cDt9YYyw==",
+      "dev": true
     },
     "@types/node": {
       "version": "11.13.18",
@@ -537,12 +543,20 @@
     "@types/range-parser": {
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/@types/range-parser/-/range-parser-1.2.3.tgz",
-      "integrity": "sha512-ewFXqrQHlFsgc09MK5jP5iR7vumV/BYayNC6PgJO2LPe8vrnNFyjQjSppfEngITi0qvfKtzFvgKymGheFM9UOA=="
+      "integrity": "sha512-ewFXqrQHlFsgc09MK5jP5iR7vumV/BYayNC6PgJO2LPe8vrnNFyjQjSppfEngITi0qvfKtzFvgKymGheFM9UOA==",
+      "dev": true
+    },
+    "@types/semver": {
+      "version": "6.0.1",
+      "resolved": "https://registry.npmjs.org/@types/semver/-/semver-6.0.1.tgz",
+      "integrity": "sha512-ffCdcrEE5h8DqVxinQjo+2d1q+FV5z7iNtPofw3JsrltSoSVlOGaW0rY8XxtO9XukdTn8TaCGWmk2VFGhI70mg==",
+      "dev": true
     },
     "@types/serve-static": {
       "version": "1.13.2",
       "resolved": "https://registry.npmjs.org/@types/serve-static/-/serve-static-1.13.2.tgz",
       "integrity": "sha512-/BZ4QRLpH/bNYgZgwhKEh+5AsboDBcUdlBYgzoLX0fpj3Y2gp6EApyOlM3bK53wQS/OE1SrdSYBAbux2D1528Q==",
+      "dev": true,
       "requires": {
         "@types/express-serve-static-core": "*",
         "@types/mime": "*"
@@ -557,7 +571,8 @@
     "@types/webpack-env": {
       "version": "1.14.0",
       "resolved": "https://registry.npmjs.org/@types/webpack-env/-/webpack-env-1.14.0.tgz",
-      "integrity": "sha512-Fv+0gYJzE/czLoRKq+gnXWr4yBpPM3tO3C8pDLFwqVKlMICQUq5OsxwwFZYDaVr7+L6mgNDp16iOcJHEz3J5RQ=="
+      "integrity": "sha512-Fv+0gYJzE/czLoRKq+gnXWr4yBpPM3tO3C8pDLFwqVKlMICQUq5OsxwwFZYDaVr7+L6mgNDp16iOcJHEz3J5RQ==",
+      "dev": true
     },
     "@types/yargs": {
       "version": "12.0.12",
@@ -1262,6 +1277,15 @@
       "integrity": "sha512-vyL2OymJxmarO8gxMr0mhChsO9QGwhynfuu4+MHTAW6czfq9humCB7rKpUjDd9YUiDPU4mzpyupFSvOClAwbmQ==",
       "dev": true
     },
+    "binary": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/binary/-/binary-0.3.0.tgz",
+      "integrity": "sha1-n2BVO8XOjDOG87VTz/R0Yq3sqnk=",
+      "requires": {
+        "buffers": "~0.1.1",
+        "chainsaw": "~0.1.0"
+      }
+    },
     "binary-extensions": {
       "version": "1.13.1",
       "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-1.13.1.tgz",
@@ -1528,6 +1552,11 @@
       "integrity": "sha1-JuYe0UIvtw3ULm42cp7VHYVf6Nk=",
       "dev": true
     },
+    "buffers": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/buffers/-/buffers-0.1.1.tgz",
+      "integrity": "sha1-skV5w77U1tOWru5tmorn9Ugqt7s="
+    },
     "builtin-modules": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/builtin-modules/-/builtin-modules-1.1.1.tgz",
@@ -1688,6 +1717,14 @@
       "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw=",
       "dev": true
     },
+    "chainsaw": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/chainsaw/-/chainsaw-0.1.0.tgz",
+      "integrity": "sha1-XqtQsor+WAdNDVgpE4iCi15fvJg=",
+      "requires": {
+        "traverse": ">=0.3.0 <0.4"
+      }
+    },
     "chalk": {
       "version": "2.4.2",
       "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
@@ -2057,8 +2094,7 @@
     "core-util-is": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
-      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
+      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
-      "dev": true
     },
     "cosmiconfig": {
       "version": "5.2.1",
@@ -3159,6 +3195,11 @@
       "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk=",
       "dev": true
     },
+    "fast-extend": {
+      "version": "0.0.2",
+      "resolved": "https://registry.npmjs.org/fast-extend/-/fast-extend-0.0.2.tgz",
+      "integrity": "sha1-9exCz0C5Rg9SGmOH37Ut7u1nHb0="
+    },
     "fast-json-stable-stringify": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz",
@@ -3401,6 +3442,11 @@
         }
       }
     },
+    "fs-monkey": {
+      "version": "0.3.3",
+      "resolved": "https://registry.npmjs.org/fs-monkey/-/fs-monkey-0.3.3.tgz",
+      "integrity": "sha512-FNUvuTAJ3CqCQb5ELn+qCbGR/Zllhf2HtwsdAtBi59s1WeCjKMT81fHcSu7dwIskqGVK+MmOrb7VOBlq3/SItw=="
+    },
     "fs-write-stream-atomic": {
       "version": "1.0.10",
       "resolved": "https://registry.npmjs.org/fs-write-stream-atomic/-/fs-write-stream-atomic-1.0.10.tgz",
@@ -5943,6 +5989,38 @@
         "object-visit": "^1.0.0"
       }
     },
+    "match-stream": {
+      "version": "0.0.2",
+      "resolved": "https://registry.npmjs.org/match-stream/-/match-stream-0.0.2.tgz",
+      "integrity": "sha1-mesFAJOzTf+t5CG5rAtBCpz6F88=",
+      "requires": {
+        "buffers": "~0.1.1",
+        "readable-stream": "~1.0.0"
+      },
+      "dependencies": {
+        "isarray": {
+          "version": "0.0.1",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
+          "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8="
+        },
+        "readable-stream": {
+          "version": "1.0.34",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
+          "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
+          "requires": {
+            "core-util-is": "~1.0.0",
+            "inherits": "~2.0.1",
+            "isarray": "0.0.1",
+            "string_decoder": "~0.10.x"
+          }
+        },
+        "string_decoder": {
+          "version": "0.10.31",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+          "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ="
+        }
+      }
+    },
     "md5.js": {
       "version": "1.3.5",
       "resolved": "https://registry.npmjs.org/md5.js/-/md5.js-1.3.5.tgz",
@@ -5976,6 +6054,15 @@
         "p-is-promise": "^2.0.0"
       }
     },
+    "memfs": {
+      "version": "2.15.5",
+      "resolved": "https://registry.npmjs.org/memfs/-/memfs-2.15.5.tgz",
+      "integrity": "sha512-x8v6Uok7FRuPt8RNXnIk3HzSFB2kaJtoT6ztpfIxxURjBPPsu4eKA+ZDLQ5GdV8+Lx71+vdMaBzHxy51vLQ7dw==",
+      "requires": {
+        "fast-extend": "0.0.2",
+        "fs-monkey": "^0.3.3"
+      }
+    },
     "memory-fs": {
       "version": "0.4.1",
       "resolved": "https://registry.npmjs.org/memory-fs/-/memory-fs-0.4.1.tgz",
@@ -6320,6 +6407,11 @@
         "to-regex": "^3.0.1"
       }
     },
+    "natives": {
+      "version": "1.1.6",
+      "resolved": "https://registry.npmjs.org/natives/-/natives-1.1.6.tgz",
+      "integrity": "sha512-6+TDFewD4yxY14ptjKaS63GVdtKiES1pTPyxn9Jb0rBqPMZ7VcCiooEhPNsr+mqHtMGxa/5c/HhcC4uPEUw/nA=="
+    },
     "natural-compare": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/natural-compare/-/natural-compare-1.4.0.tgz",
@@ -6841,6 +6933,11 @@
         "os-tmpdir": "^1.0.0"
       }
     },
+    "over": {
+      "version": "0.0.5",
+      "resolved": "https://registry.npmjs.org/over/-/over-0.0.5.tgz",
+      "integrity": "sha1-8phS5w/X4l82DgE6jsRMgq7bVwg="
+    },
     "p-defer": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/p-defer/-/p-defer-1.0.0.tgz",
@@ -7823,6 +7920,40 @@
         "safe-buffer": "^5.1.2"
       }
     },
+    "pullstream": {
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/pullstream/-/pullstream-0.4.1.tgz",
+      "integrity": "sha1-1vs79a7Wl+gxFQ6xACwlo/iuExQ=",
+      "requires": {
+        "over": ">= 0.0.5 < 1",
+        "readable-stream": "~1.0.31",
+        "setimmediate": ">= 1.0.2 < 2",
+        "slice-stream": ">= 1.0.0 < 2"
+      },
+      "dependencies": {
+        "isarray": {
+          "version": "0.0.1",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
+          "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8="
+        },
+        "readable-stream": {
+          "version": "1.0.34",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
+          "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
+          "requires": {
+            "core-util-is": "~1.0.0",
+            "inherits": "~2.0.1",
+            "isarray": "0.0.1",
+            "string_decoder": "~0.10.x"
+          }
+        },
+        "string_decoder": {
+          "version": "0.10.31",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+          "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ="
+        }
+      }
+    },
     "pump": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/pump/-/pump-3.0.0.tgz",
@@ -8285,7 +8416,6 @@
       "version": "2.6.3",
       "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.3.tgz",
       "integrity": "sha512-mwqeW5XsA2qAejG46gYdENaxXjx9onRNCfn7L0duuP4hCuTIi/QO7PDK07KJfp1d+izWPrzEJDcSqBa0OZQriA==",
-      "dev": true,
       "requires": {
         "glob": "^7.1.3"
       }
@@ -8711,8 +8841,7 @@
     "setimmediate": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/setimmediate/-/setimmediate-1.0.5.tgz",
-      "integrity": "sha1-KQy7Iy4waULX1+qbg3Mqt4VvgoU=",
+      "integrity": "sha1-KQy7Iy4waULX1+qbg3Mqt4VvgoU="
-      "dev": true
     },
     "setprototypeof": {
       "version": "1.1.1",
@@ -8804,6 +8933,37 @@
       "integrity": "sha512-ZYKh3Wh2z1PpEXWr0MpSBZ0V6mZHAQfYevttO11c51CaWjGTaadiKZ+wVt1PbMlDV5qhMFslpZCemhwOK7C89A==",
       "dev": true
     },
+    "slice-stream": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/slice-stream/-/slice-stream-1.0.0.tgz",
+      "integrity": "sha1-WzO9ZvATsaf4ZGCwPUY97DmtPqA=",
+      "requires": {
+        "readable-stream": "~1.0.31"
+      },
+      "dependencies": {
+        "isarray": {
+          "version": "0.0.1",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
+          "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8="
+        },
+        "readable-stream": {
+          "version": "1.0.34",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
+          "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
+          "requires": {
+            "core-util-is": "~1.0.0",
+            "inherits": "~2.0.1",
+            "isarray": "0.0.1",
+            "string_decoder": "~0.10.x"
+          }
+        },
+        "string_decoder": {
+          "version": "0.10.31",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+          "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ="
+        }
+      }
+    },
     "snapdragon": {
       "version": "0.8.2",
       "resolved": "https://registry.npmjs.org/snapdragon/-/snapdragon-0.8.2.tgz",
@@ -9178,6 +9338,11 @@
         "readable-stream": "^2.0.2"
       }
     },
+    "stream-buffers": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/stream-buffers/-/stream-buffers-3.0.2.tgz",
+      "integrity": "sha512-DQi1h8VEBA/lURbSwFtEHnSTb9s2/pwLEaFuNhXwy1Dx3Sa0lOuYT2yNUr4/j2fs8oCAMANtrZ5OrPZtyVs3MQ=="
+    },
     "stream-each": {
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/stream-each/-/stream-each-1.2.3.tgz",
@@ -9610,6 +9775,11 @@
         "punycode": "^2.1.0"
       }
     },
+    "traverse": {
+      "version": "0.3.9",
+      "resolved": "https://registry.npmjs.org/traverse/-/traverse-0.3.9.tgz",
+      "integrity": "sha1-cXuPIgzAu3tE5AUUwisui7xw2Lk="
+    },
     "trim-newlines": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/trim-newlines/-/trim-newlines-1.0.0.tgz",
@@ -9921,6 +10091,61 @@
         }
       }
     },
+    "unzip": {
+      "version": "0.1.11",
+      "resolved": "https://registry.npmjs.org/unzip/-/unzip-0.1.11.tgz",
+      "integrity": "sha1-iXScY7BY19kNYZ+GuYqhU107l/A=",
+      "requires": {
+        "binary": ">= 0.3.0 < 1",
+        "fstream": ">= 0.1.30 < 1",
+        "match-stream": ">= 0.0.2 < 1",
+        "pullstream": ">= 0.4.1 < 1",
+        "readable-stream": "~1.0.31",
+        "setimmediate": ">= 1.0.1 < 2"
+      },
+      "dependencies": {
+        "fstream": {
+          "version": "0.1.31",
+          "resolved": "https://registry.npmjs.org/fstream/-/fstream-0.1.31.tgz",
+          "integrity": "sha1-czfwWPu7vvqMn1YaKMqwhJICyYg=",
+          "requires": {
+            "graceful-fs": "~3.0.2",
+            "inherits": "~2.0.0",
+            "mkdirp": "0.5",
+            "rimraf": "2"
+          }
+        },
+        "graceful-fs": {
+          "version": "3.0.11",
+          "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-3.0.11.tgz",
+          "integrity": "sha1-dhPHeKGv6mLyXGMKCG1/Osu92Bg=",
+          "requires": {
+            "natives": "^1.1.0"
+          }
+        },
+        "isarray": {
+          "version": "0.0.1",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
+          "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8="
+        },
+        "readable-stream": {
+          "version": "1.0.34",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
+          "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
+          "requires": {
+            "core-util-is": "~1.0.0",
+            "inherits": "~2.0.1",
+            "isarray": "0.0.1",
+            "string_decoder": "~0.10.x"
+          }
+        },
+        "string_decoder": {
+          "version": "0.10.31",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+          "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ="
+        }
+      }
+    },
     "upath": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/upath/-/upath-1.1.2.tgz",

package.json

@@ -15,10 +15,6 @@
   "author": "frontblock.me",
   "license": "ISC",
   "dependencies": {
-    "@types/angular": "^1.6.55",
-    "@types/express": "^4.17.0",
-    "@types/node": "^11.13.18",
-    "@types/webpack-env": "^1.14.0",
     "@uirouter/angularjs": "^1.0.5",
     "angular": "^1.7.8",
     "bsert": "0.0.10",
@@ -28,10 +24,17 @@
     "http": "0.0.0",
     "key-file-storage": "^2.2.1",
     "log4js": "^4.4.0",
+    "memfs": "^2.15.5",
     "node-fetch": "^2.6.0",
-    "socket.io": "^2.2.0"
+    "socket.io": "^2.2.0",
+    "stream-buffers": "^3.0.2",
+    "unzip": "^0.1.11"
   },
   "devDependencies": {
+    "@types/express": "^4.17.0",
+    "@types/node": "^11.13.18",
+    "@types/semver": "^6.0.1",
+    "@types/webpack-env": "^1.14.0",
     "@types/angular": "^1.6.27",
     "@types/jest": "^24.0.15",
     "autoprefixer": "^9.4.7",