fix: rid linux startup elevation (#1831)

We remove the Linux elevation meant for usbboot device access.

Reverts: https://github.com/resin-io/etcher/pull/1708
See: https://github.com/resin-io/etcher/issues/1819
Change-Type: minor
Changelog-Entry: Remove Linux elevation meant for usbboot.

electron-builder.yml

@@ -83,12 +83,10 @@ deb:
     - libxss1
     - libxtst6
     - polkit-1-auth-agent | policykit-1-gnome | polkit-kde-1
-    - gksu | kdesudo
 rpm:
   icon: assets/icon.png
   depends:
     - lsb
     - libXScrnSaver
-    - beesu
 appImage:
   icon: assets/icon.png

lib/shared/messages.js

@@ -35,10 +35,6 @@ module.exports = {
     flashComplete: _.template([
       '<%= imageBasename %> was successfully written to',
       '<%= drive.description %> (<%= drive.displayName %>)'
-    ].join(' ')),
-
-    providePassword: _.template([
-      '<%= displayName %> needs special permissions to interact with raw devices. Please provide your password.'
     ].join(' '))
 
   },

lib/shared/sdk/index.js

@@ -233,7 +233,7 @@ SDK.Scanner = class Scanner extends EventEmitter {
     instance.removeListener('devices', this.onDevices)
     instance.removeListener('error', this.onError)
 
-    this.adapters.delete(instance.name)
+    this.adapters.delete(instance.id)
     this.emit('unsubscribe', adapter)
 
     return this

lib/start.js

@@ -29,91 +29,5 @@
 if (process.env.ELECTRON_RUN_AS_NODE || process.env.ATOM_SHELL_INTERNAL_RUN_AS_NODE) {
   require('./cli/etcher')
 } else {
-  const electron = require('electron')
-  const os = require('os')
-  const _ = require('lodash')
-  const Bluebird = require('bluebird')
-  const commandExists = Bluebird.promisify(require('command-exists'))
-  const childProcess = require('child_process')
-  const permissions = require('./shared/permissions')
-  const errors = require('./shared/errors')
-  const EXIT_CODES = require('./shared/exit-codes')
-  const packageJSON = require('../package.json')
-  const messages = require('./shared/messages')
-
-  const MESSAGE = messages.info.providePassword({
-    displayName: packageJSON.displayName
-  })
-
-  const ELEVATOR_COMMANDS = [
-    {
-      name: 'gksudo',
-      options: [ '--preserve-env', '--message', MESSAGE ]
-    },
-    {
-      name: 'kdesudo',
-      options: [ '--comment', MESSAGE, '--' ]
-    },
-    {
-      name: 'beesu',
-      options: [ '--preserve-environment' ]
-    }
-  ]
-
-  if (_.includes([ 'win32', 'darwin' ], os.platform())) {
   require('./gui/etcher')
-  } else {
-    permissions.isElevated().then((isElevated) => {
-      if (isElevated) {
-        require('./gui/etcher')
-        return Bluebird.resolve()
-      }
-
-      return Bluebird.any(_.map(ELEVATOR_COMMANDS, (command) => {
-        return commandExists(command.name).then((exists) => {
-          if (!exists) {
-            throw new Error(`Command does not exist: ${command.name}`)
-          }
-
-          return command
-        })
-      })).then((command) => {
-        return new Bluebird((resolve, reject) => {
-          const argv = process.env.APPIMAGE ? [ process.env.APPIMAGE ] : process.argv
-          const options = command.options.concat([ 'env', 'SKIP=1' ]).concat(argv)
-
-          console.log(`Running ${command.name}`)
-
-          const child = childProcess.spawn(command.name, options, {
-            detached: true,
-            env: process.env
-          })
-
-          child.stdout.on('data', (data) => {
-            console.log(data.toString())
-          })
-
-          child.stderr.on('data', (data) => {
-            console.error(data.toString())
-          })
-
-          child.on('exit', () => {
-            electron.app.quit()
-          })
-
-          child.on('error', reject)
-        })
-      }).catch(Bluebird.AggregateError, () => {
-        const commands = _.map(ELEVATOR_COMMANDS, 'name')
-        const formattedCommands = `${_.initial(commands).join(', ')}, or ${_.last(commands)}`
-        throw errors.createUserError({
-          title: 'Can\'t elevate the application',
-          description: `Please ensure you have either ${formattedCommands} available in your system`
-        })
-      })
-    }).catch((error) => {
-      electron.dialog.showErrorBox(errors.getTitle(error), errors.getDescription(error))
-      electron.app.exit(EXIT_CODES.GENERAL_ERROR)
-    })
-  }
 }

npm-shrinkwrap.json

@@ -855,11 +855,6 @@
       "resolved": "http://registry.npmjs.org/combined-stream/-/combined-stream-0.0.7.tgz",
       "dev": true
     },
-    "command-exists": {
-      "version": "1.2.2",
-      "from": "command-exists@latest",
-      "resolved": "https://registry.npmjs.org/command-exists/-/command-exists-1.2.2.tgz"
-    },
     "command-join": {
       "version": "2.0.0",
       "from": "command-join@2.0.0",

package.json

@@ -50,7 +50,6 @@
     "bluebird": "3.4.1",
     "bootstrap-sass": "3.3.6",
     "chalk": "1.1.3",
-    "command-exists": "1.2.2",
     "command-join": "2.0.0",
     "debug": "2.6.0",
     "drivelist": "5.2.4",