Merge pull request #39 from EbookFoundation/feature/push-filters-2

actually use push target filters when new books are published

api/controllers/BooksController.js

@@ -7,6 +7,7 @@
 
 const HttpError = require('../errors/HttpError')
 const request = require('request')
+const uriRegex = /^(.+:\/\/)?(.+\.)*(.+\.).{1,}(:\d+)?(.+)?/i
 
 module.exports = {
   publish: async function (req, res) {
@@ -23,9 +24,16 @@ module.exports = {
       if (bookExists) {
         throw new HttpError(400, 'Version already exists')
       } else {
+        const { title, isbn, author, publisher } = body
+        // require at least 2 fields to be filled out
+        if ([title, isbn, author, publisher].reduce((a, x) => a + (x ? 1 : 0), 0) >= 2) {
           result = await Book.create(body).fetch()
+        } else {
+          throw new HttpError(400, 'Please fill out at least 2 fields (title, author, publisher, isbn)')
+        }
       }
 
+      if (req.file('opds')) {
         req.file('opds').upload(sails.config.skipperConfig, async function (err, uploaded) {
           if (err) {
             await Book.destroy({ id: result.id })
@@ -38,6 +46,9 @@ module.exports = {
             ...result
           })
         })
+      } else {
+        throw new HttpError(400, 'Missing OPDS file upload')
+      }
     } catch (e) {
       if (e instanceof HttpError) return e.send(res)
       return res.status(500).json({
@@ -73,16 +84,27 @@ module.exports = {
 async function sendUpdatesAsync (id) {
   const book = await Book.findOne({ id })
   const targets = await TargetUrl.find()
+  if (!book) return
   for (const i in targets) {
-    sails.log('sending ' + book.id + ' info to ' + targets[i].url)
+    const item = targets[i]
+    const { author: fAuthor, publisher: fPublisher, title: fTitle, isbn: fIsbn, url } = item
+    const { author: bAuthor, publisher: bPublisher, title: bTitle, isbn: bIsbn } = book
+    sails.log('sending ' + book.id + ' info to ' + url)
+
+    if (uriRegex.test(url)) {
+      if (fAuthor && !((bAuthor || '').includes(fAuthor))) continue
+      if (fPublisher && !((bPublisher || '').includes(fPublisher))) continue
+      if (fTitle && !((bTitle || '').includes(fTitle))) continue
+      if (fIsbn && !((bIsbn || '').includes(fIsbn))) continue
       request.post({
-      url: targets[i].url,
+        url: url,
         headers: { 'User-Agent': 'RoE-aggregator' },
         form: book
       }, function (err, httpResp, body) {
         if (err) {
-        sails.log(`error: failed to send book ${id} to ${targets[i].url}`)
+          sails.log(`error: failed to send book ${id} to ${url}`)
         }
       })
     }
+  }
 }

api/models/Book.js

@@ -19,6 +19,7 @@ module.exports = {
     },
     title: { type: 'string', required: true },
     author: { type: 'string' },
+    publisher: { type: 'string' },
     isbn: { type: 'string' },
     version: { type: 'string' }
 

config/http.js

@@ -14,7 +14,15 @@ const rateLimiter = rateLimit({
   windowMs: 10 * 60 * 1000, // 10 minutes
   max: 100, // limit each IP to 100 requests per windowMs
   skip (req, res) {
-    return !req.path.startsWith('/api')
+    return !req.path.startsWith('/api') || req.path.startsWith('/api/publish')
+  }
+})
+
+const publishLimiter = rateLimit({
+  windowMs: 1000 * 60 * 60 * 24, // 24 hours
+  max: 1000, // 1000 publish requests per day
+  skip (req, res) {
+    return !req.path.startsWith('/api/publish')
   }
 })
 
@@ -40,6 +48,7 @@ module.exports.http = {
 
     order: [
       'rateLimit',
+      'publishLimit',
       'cookieParser',
       'session',
       'passportInit',
@@ -52,6 +61,7 @@ module.exports.http = {
       'favicon'
     ],
     rateLimit: rateLimiter,
+    publishLimit: publishLimiter,
     passportInit: require('passport').initialize(),
     passportSession: require('passport').session()
 

migrations/20190220123908_AddPublisherToBooks.js

@@ -0,0 +1,15 @@
+exports.up = function (knex, Promise) {
+  return Promise.all([
+    knex.schema.table('book', t => {
+      t.string('publisher')
+    })
+  ])
+}
+
+exports.down = function (knex, Promise) {
+  return Promise.all([
+    knex.schema.table('book', t => {
+      t.dropColumns('publisher')
+    })
+  ])
+}

package.json

@@ -21,7 +21,8 @@
     "debug": "node --inspect app.js",
     "custom-tests": "echo 'Nothing yet'",
     "db:migrate": "knex migrate:latest",
-    "db:rollback": "knex migrate:rollback"
+    "db:rollback": "knex migrate:rollback",
+    "g:migration": "knex migrate:make"
   },
   "dependencies": {
     "@sailshq/connect-redis": "^3.2.1",