From e4c556196d7b31111f17596840d2e1d60caa7dcb Mon Sep 17 00:00:00 2001
From: Chocobozzz <florian.bigard@gmail.com>
Date: Sun, 31 Jul 2016 20:58:43 +0200
Subject: Server: reorganize express validators

---
 server/helpers/custom-validators/index.js  |  15 ++++
 server/helpers/custom-validators/misc.js   |  18 +++++
 server/helpers/custom-validators/users.js  |  18 +++++
 server/helpers/custom-validators/videos.js | 106 +++++++++++++++++++++++++++++
 4 files changed, 157 insertions(+)
 create mode 100644 server/helpers/custom-validators/index.js
 create mode 100644 server/helpers/custom-validators/misc.js
 create mode 100644 server/helpers/custom-validators/users.js
 create mode 100644 server/helpers/custom-validators/videos.js

(limited to 'server/helpers/custom-validators')

diff --git a/server/helpers/custom-validators/index.js b/server/helpers/custom-validators/index.js
new file mode 100644
index 000000000..ab3066822
--- /dev/null
+++ b/server/helpers/custom-validators/index.js
@@ -0,0 +1,15 @@
+'use strict'
+
+const miscValidators = require('./misc')
+const usersValidators = require('./users')
+const videosValidators = require('./videos')
+
+const validators = {
+  misc: miscValidators,
+  users: usersValidators,
+  videos: videosValidators
+}
+
+// ---------------------------------------------------------------------------
+
+module.exports = validators
diff --git a/server/helpers/custom-validators/misc.js b/server/helpers/custom-validators/misc.js
new file mode 100644
index 000000000..782ae3dee
--- /dev/null
+++ b/server/helpers/custom-validators/misc.js
@@ -0,0 +1,18 @@
+'use strict'
+
+const miscValidators = {
+  exists: exists,
+  isArray: isArray
+}
+
+function exists (value) {
+  return value !== undefined && value !== null
+}
+
+function isArray (value) {
+  return Array.isArray(value)
+}
+
+// ---------------------------------------------------------------------------
+
+module.exports = miscValidators
diff --git a/server/helpers/custom-validators/users.js b/server/helpers/custom-validators/users.js
new file mode 100644
index 000000000..41e00d046
--- /dev/null
+++ b/server/helpers/custom-validators/users.js
@@ -0,0 +1,18 @@
+'use strict'
+
+const validator = require('express-validator').validator
+
+const constants = require('../../initializers/constants')
+const USERS_CONSTRAINTS_FIELDS = constants.CONSTRAINTS_FIELDS.USERS
+
+const usersValidators = {
+  isUserUsernameValid: isUserUsernameValid
+}
+
+function isUserUsernameValid (value) {
+  return validator.isLength(value, USERS_CONSTRAINTS_FIELDS.USERNAME)
+}
+
+// ---------------------------------------------------------------------------
+
+module.exports = usersValidators
diff --git a/server/helpers/custom-validators/videos.js b/server/helpers/custom-validators/videos.js
new file mode 100644
index 000000000..39a19cbd7
--- /dev/null
+++ b/server/helpers/custom-validators/videos.js
@@ -0,0 +1,106 @@
+'use strict'
+
+const validator = require('express-validator').validator
+
+const constants = require('../../initializers/constants')
+const usersValidators = require('./users')
+const miscValidators = require('./misc')
+const VIDEOS_CONSTRAINTS_FIELDS = constants.CONSTRAINTS_FIELDS.VIDEOS
+
+const videosValidators = {
+  isEachRemoteVideosValid: isEachRemoteVideosValid,
+  isVideoAuthorValid: isVideoAuthorValid,
+  isVideoDateValid: isVideoDateValid,
+  isVideoDescriptionValid: isVideoDescriptionValid,
+  isVideoDurationValid: isVideoDurationValid,
+  isVideoMagnetUriValid: isVideoMagnetUriValid,
+  isVideoNameValid: isVideoNameValid,
+  isVideoPodUrlValid: isVideoPodUrlValid,
+  isVideoTagsValid: isVideoTagsValid,
+  isVideoThumbnailValid: isVideoThumbnailValid,
+  isVideoThumbnail64Valid: isVideoThumbnail64Valid
+}
+
+function isEachRemoteVideosValid (requests) {
+  return requests.every(function (request) {
+    const video = request.data
+    return (
+      isRequestTypeAddValid(request.type) &&
+      isVideoAuthorValid(video.author) &&
+      isVideoDateValid(video.createdDate) &&
+      isVideoDescriptionValid(video.description) &&
+      isVideoDurationValid(video.duration) &&
+      isVideoMagnetUriValid(video.magnetUri) &&
+      isVideoNameValid(video.name) &&
+      isVideoPodUrlValid(video.podUrl) &&
+      isVideoTagsValid(video.tags) &&
+      isVideoThumbnail64Valid(video.thumbnailBase64)
+    ) ||
+    (
+      isRequestTypeRemoveValid(request.type) &&
+      isVideoNameValid(video.name) &&
+      isVideoMagnetUriValid(video.magnetUri)
+    )
+  })
+}
+
+function isVideoAuthorValid (value) {
+  return usersValidators.isUserUsernameValid(usersValidators)
+}
+
+function isVideoDateValid (value) {
+  return validator.isDate(value)
+}
+
+function isVideoDescriptionValid (value) {
+  return validator.isLength(value, VIDEOS_CONSTRAINTS_FIELDS.DESCRIPTION)
+}
+
+function isVideoDurationValid (value) {
+  return validator.isInt(value + '', VIDEOS_CONSTRAINTS_FIELDS.DURATION)
+}
+
+function isVideoMagnetUriValid (value) {
+  return validator.isLength(value, VIDEOS_CONSTRAINTS_FIELDS.MAGNET_URI)
+}
+
+function isVideoNameValid (value) {
+  return validator.isLength(value, VIDEOS_CONSTRAINTS_FIELDS.NAME)
+}
+
+function isVideoPodUrlValid (value) {
+  // TODO: set options (TLD...)
+  return validator.isURL(value)
+}
+
+function isVideoTagsValid (tags) {
+  return miscValidators.isArray(tags) &&
+         validator.isInt(tags.length, VIDEOS_CONSTRAINTS_FIELDS.TAGS) &&
+         tags.every(function (tag) {
+           return validator.isAlphanumeric(tag) &&
+                  validator.isLength(tag, VIDEOS_CONSTRAINTS_FIELDS.TAG)
+         })
+}
+
+function isVideoThumbnailValid (value) {
+  return validator.isLength(value, VIDEOS_CONSTRAINTS_FIELDS.THUMBNAIL)
+}
+
+function isVideoThumbnail64Valid (value) {
+  return validator.isBase64(value) &&
+         validator.isByteLength(value, VIDEOS_CONSTRAINTS_FIELDS.THUMBNAIL64)
+}
+
+// ---------------------------------------------------------------------------
+
+module.exports = videosValidators
+
+// ---------------------------------------------------------------------------
+
+function isRequestTypeAddValid (value) {
+  return value === 'add'
+}
+
+function isRequestTypeRemoveValid (value) {
+  return value === 'remove'
+}
-- 
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