Move config loading to a new file

This is so that we can extend it further (by loading from more
locations, etc.)

config.js

@@ -0,0 +1,18 @@
+// load configuraton from .env file (if exists)
+require('dotenv').config()
+
+let config = {
+  'webdav:server_url': process.env.WEBDAV_SERVER_URL,
+  'webdav:username': process.env.WEBDAV_USERNAME,
+  'webdav:password': process.env.WEBDAV_PASSWORD,
+  'webdav:path_prefix': process.env.WEBDAV_PATH_PREFIX,
+  'webdav:uploaded_path_prefix': process.env.WEBDAV_UPlOADED_PATH_PREFIX,
+  'webdav:use_digest': process.env.WEBDAV_USE_DIGEST,
+  'ghost:url': process.env.GHOST_URL,
+  'ghost:version': process.env.GHOST_VERSION,
+  'ghost:admin_key': process.env.GHOST_ADMIN_KEY,
+  'scissor:path': process.env.SEPARATOR_IMAGE,
+}
+
+module.exports = config
+

functions.js

@@ -9,12 +9,14 @@ const { markdown } = require('markdown')
 const GhostAdminAPI = require('@tryghost/admin-api')
 const Rembrandt = require('rembrandt')
 
+const config = require('./config')
+
 const MEDIUM_IMG_CDN = 'https://miro.medium.com/fit/c/'
 
 const ghostAdmin = new GhostAdminAPI({
-  url: process.env.GHOST_URL,
-  version: process.env.GHOST_VERSION,
-  key: process.env.GHOST_ADMIN_KEY
+  url: config['ghost:url'],
+  version: config['ghost:version'],
+  key: config['ghost:admin_key'],
 })
 
 /**
@@ -111,11 +113,11 @@ const pushToGhost = async (postSlug) => {
   )
 
   // Path where WebDAV files will be placed (eg. https://example.com:2078)
-  const davPath = path.join(process.env.WEBDAV_PATH_PREFIX, uploadPath)
+  const davPath = path.join(config['webdav:path_prefix'], uploadPath)
 
   // Public path to upload those files (eg. https://media.example.com/uploads)
   // We'll do it directly since path.join mangles the protocol
-  const uploadedPath = process.env.WEBDAV_UPLOADED_PATH_PREFIX + '/' + uploadPath
+  const uploadedPath = config['webdav:uploaded_path_prefix'] + '/' + uploadPath
 
   // load metadata file
   console.debug('Loading metadata')
@@ -255,7 +257,7 @@ const checkScissors = async (imagePath) => {
   // Decide "separator" image
   // If set, images matching this will be ignored and replaced
   // with a horizontal-rule ("---" in markdown) instead.
-  let scissors = process.env.SEPARATOR_IMAGE
+  let scissors = config['scissor:path']
 
     // if scissors not set, return false
   // (it's never a scissors since it never matches)
@@ -315,7 +317,7 @@ const generateUserData = async (mediumUsername, email) => {
 
   console.log("Uploading to server")
 
-  await uploadDav(path.join(process.env.WEBDAV_PATH_PREFIX,'avatars'),
+  await uploadDav(path.join(config['webdav:path_prefix'],'avatars'),
     filePath)
 
   // Generate Ghost JSON
@@ -329,7 +331,7 @@ const generateUserData = async (mediumUsername, email) => {
           bio: json.payload.user.bio,
           email: email,
           name: json.payload.user.name,
-          profile_image: process.env.WEBDAV_UPLOADED_PATH_PREFIX + '/avatars/' + fileName
+          profile_image: config['webdav:uploaded_path_prefix'] + '/avatars/' + fileName
         }
       ]
     },
@@ -346,8 +348,8 @@ const createDirIfNotExist = async (client, folder) => {
   // recursively create subfolders if they don't exist.
 
   //safety: don't touch directories outside WEBDAV_PATH_PREFIX
-  if (!folder.startsWith(process.env.WEBDAV_PATH_PREFIX)) {
-    throw new Error(`Cannot create directories outside ${process.env.WEBDAV_PATH_PREFIX}`)
+  if (!folder.startsWith(config['webdav:path_prefix'])) {
+    throw new Error(`Cannot create directories outside ${config['webdav:path_prefix']}`)
   }
 
   // check the folder
@@ -408,11 +410,11 @@ const uploadDav = async (dirPath, filePath) => {
 
   // connect to webdav
   client = createClient(
-    process.env.WEBDAV_SERVER_URL,
+    config['webdav:server_url'],
     {
-      username: process.env.WEBDAV_USERNAME,
-      password: process.env.WEBDAV_PASSWORD,
-      digest: process.env.WEBDAV_USE_DIGEST == 'true'
+      username: config['webdav:username'],
+      password: config['webdav:password'],
+      digest: config['webdav:use_digest'] == 'true'
     })
 
   // create directory if not exists

index.js

@@ -1,12 +1,10 @@
 #! /usr/bin/env node
 
-// load configuraton from .env file (if exists)
-const dotenv = require('dotenv')
-dotenv.config()
-
-const program = require('commander');
+const program = require('commander')
 const path = require('path')
 
+const config = require('./config')
+
 const {
   fetchFromMedium,
   pushToGhost,
@@ -14,7 +12,7 @@ const {
   generateUserData,
   checkScissors,
   uploadDav,
-} = require ('./functions');
+} = require ('./functions')
 
 program
   .version('1.0.0-dev')
@@ -61,7 +59,7 @@ program.command('webdav-test <file>')
     // decide path
     current_date = new Date();
     var dir_path = path.join(
-      process.env.WEBDAV_PATH_PREFIX,
+      config['webdav:path_prefix'],
       current_date.getUTCFullYear().toString(),
       current_date.getUTCMonth().toString(),
       'test' // TODO: replace with article slug