Create comment on replied mastodon statutes

diff --git a/client/yarn.lock b/client/yarn.lock
index 10af86a55f76bca0b494c0fffec72d6b07fe693c..a3928ef4071f5278845c9e112a1daa78cb6638b5 100644 (file)
--- a/client/yarn.lock
+++ b/client/yarn.lock
@@ -2069,8 +2069,8 @@ es5-ext@^0.10.14, es5-ext@^0.10.35, es5-ext@^0.10.9, es5-ext@~0.10.14:
     es6-symbol "~3.1.1"
 
 es5-shim@^4.5.1:
-  version "4.5.9"
-  resolved "https://registry.yarnpkg.com/es5-shim/-/es5-shim-4.5.9.tgz#2a1e2b9e583ff5fed0c20a3ee2cbf3f75230a5c0"
+  version "4.5.10"
+  resolved "https://registry.yarnpkg.com/es5-shim/-/es5-shim-4.5.10.tgz#b7e17ef4df2a145b821f1497b50c25cf94026205"
 
 es6-iterator@^2.0.1, es6-iterator@~2.0.1:
   version "2.0.3"

diff --git a/package.json b/package.json
index 71da491be853eeba07e61fd34fffd4815f43c0cd..f6e10d7096210a20000134f14575fc66d251a16b 100644 (file)
--- a/package.json
+++ b/package.json
@@ -82,6 +82,7 @@
     "request": "^2.81.0",
     "rimraf": "^2.5.4",
     "safe-buffer": "^5.0.1",
+    "sanitize-html": "^1.16.3",
     "scripty": "^1.5.0",
     "sequelize": "4.25.2",
     "sequelize-typescript": "^0.6.1",
@@ -110,6 +111,7 @@
     "@types/node": "^8.0.3",
     "@types/pem": "^1.9.3",
     "@types/request": "^2.0.3",
+    "@types/sanitize-html": "^1.14.0",
     "@types/sequelize": "^4.0.55",
     "@types/supertest": "^2.0.3",
     "@types/validator": "^6.2.0",

diff --git a/server/controllers/api/videos/comment.ts b/server/controllers/api/videos/comment.ts
new file mode 100644 (file)
index 0000000..b69aa5d
--- /dev/null
+++ b/server/controllers/api/videos/comment.ts
@@ -0,0 +1,88 @@
+// import * as express from 'express'
+// import { logger, getFormattedObjects } from '../../../helpers'
+// import {
+//   authenticate,
+//   ensureUserHasRight,
+//   videosBlacklistAddValidator,
+//   videosBlacklistRemoveValidator,
+//   paginationValidator,
+//   blacklistSortValidator,
+//   setBlacklistSort,
+//   setPagination,
+//   asyncMiddleware
+// } from '../../../middlewares'
+// import { BlacklistedVideo, UserRight } from '../../../../shared'
+// import { VideoBlacklistModel } from '../../../models/video/video-blacklist'
+//
+// const videoCommentRouter = express.Router()
+//
+// videoCommentRouter.get('/:videoId/comment',
+//   authenticate,
+//   ensureUserHasRight(UserRight.MANAGE_VIDEO_BLACKLIST),
+//   asyncMiddleware(listVideoCommentsThreadsValidator),
+//   asyncMiddleware(listVideoCommentsThreads)
+// )
+//
+// videoCommentRouter.post('/:videoId/comment',
+//   authenticate,
+//   ensureUserHasRight(UserRight.MANAGE_VIDEO_BLACKLIST),
+//   asyncMiddleware(videosBlacklistAddValidator),
+//   asyncMiddleware(addVideoToBlacklist)
+// )
+//
+// videoCommentRouter.get('/blacklist',
+//   authenticate,
+//   ensureUserHasRight(UserRight.MANAGE_VIDEO_BLACKLIST),
+//   paginationValidator,
+//   blacklistSortValidator,
+//   setBlacklistSort,
+//   setPagination,
+//   asyncMiddleware(listBlacklist)
+// )
+//
+// videoCommentRouter.delete('/:videoId/blacklist',
+//   authenticate,
+//   ensureUserHasRight(UserRight.MANAGE_VIDEO_BLACKLIST),
+//   asyncMiddleware(videosBlacklistRemoveValidator),
+//   asyncMiddleware(removeVideoFromBlacklistController)
+// )
+//
+// // ---------------------------------------------------------------------------
+//
+// export {
+//   videoCommentRouter
+// }
+//
+// // ---------------------------------------------------------------------------
+//
+// async function addVideoToBlacklist (req: express.Request, res: express.Response, next: express.NextFunction) {
+//   const videoInstance = res.locals.video
+//
+//   const toCreate = {
+//     videoId: videoInstance.id
+//   }
+//
+//   await VideoBlacklistModel.create(toCreate)
+//   return res.type('json').status(204).end()
+// }
+//
+// async function listBlacklist (req: express.Request, res: express.Response, next: express.NextFunction) {
+//   const resultList = await VideoBlacklistModel.listForApi(req.query.start, req.query.count, req.query.sort)
+//
+//   return res.json(getFormattedObjects<BlacklistedVideo, VideoBlacklistModel>(resultList.data, resultList.total))
+// }
+//
+// async function removeVideoFromBlacklistController (req: express.Request, res: express.Response, next: express.NextFunction) {
+//   const blacklistedVideo = res.locals.blacklistedVideo as VideoBlacklistModel
+//
+//   try {
+//     await blacklistedVideo.destroy()
+//
+//     logger.info('Video %s removed from blacklist.', res.locals.video.uuid)
+//
+//     return res.sendStatus(204)
+//   } catch (err) {
+//     logger.error('Some error while removing video %s from blacklist.', res.locals.video.uuid, err)
+//     throw err
+//   }
+// }

diff --git a/server/helpers/custom-validators/activitypub/activity.ts b/server/helpers/custom-validators/activitypub/activity.ts
index c402800a48ee9df70c1d0d74ec26d9a5981dc805..f2e1370610370de24b705a18af7b8ebc59a97a7f 100644 (file)
--- a/server/helpers/custom-validators/activitypub/activity.ts
+++ b/server/helpers/custom-validators/activitypub/activity.ts
@@ -6,6 +6,7 @@ import { isActivityPubUrlValid } from './misc'
 import { isDislikeActivityValid, isLikeActivityValid } from './rate'
 import { isUndoActivityValid } from './undo'
 import { isVideoChannelDeleteActivityValid, isVideoChannelUpdateActivityValid } from './video-channels'
+import { isVideoCommentCreateActivityValid } from './video-comments'
 import {
   isVideoFlagValid,
   isVideoTorrentCreateActivityValid,
@@ -59,7 +60,8 @@ function checkCreateActivity (activity: any) {
   return isViewActivityValid(activity) ||
     isDislikeActivityValid(activity) ||
     isVideoTorrentCreateActivityValid(activity) ||
-    isVideoFlagValid(activity)
+    isVideoFlagValid(activity) ||
+    isVideoCommentCreateActivityValid(activity)
 }
 
 function checkUpdateActivity (activity: any) {

diff --git a/server/helpers/custom-validators/activitypub/video-comments.ts b/server/helpers/custom-validators/activitypub/video-comments.ts
new file mode 100644 (file)
index 0000000..489ff27
--- /dev/null
+++ b/server/helpers/custom-validators/activitypub/video-comments.ts
@@ -0,0 +1,40 @@
+import * as validator from 'validator'
+import { exists, isDateValid } from '../misc'
+import { isActivityPubUrlValid, isBaseActivityValid } from './misc'
+import * as sanitizeHtml from 'sanitize-html'
+
+function isVideoCommentCreateActivityValid (activity: any) {
+  return isBaseActivityValid(activity, 'Create') &&
+    isVideoCommentObjectValid(activity.object)
+}
+
+function isVideoCommentObjectValid (comment: any) {
+  return comment.type === 'Note' &&
+    isActivityPubUrlValid(comment.id) &&
+    sanitizeCommentHTML(comment) &&
+    isCommentContentValid(comment.content) &&
+    isActivityPubUrlValid(comment.inReplyTo) &&
+    isDateValid(comment.published) &&
+    isActivityPubUrlValid(comment.url)
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+  isVideoCommentCreateActivityValid
+}
+
+// ---------------------------------------------------------------------------
+
+function sanitizeCommentHTML (comment: any) {
+  return sanitizeHtml(comment.content, {
+    allowedTags: [ 'b', 'i', 'em', 'span', 'a' ],
+    allowedAttributes: {
+      'a': [ 'href' ]
+    }
+  })
+}
+
+function isCommentContentValid (content: any) {
+  return exists(content) && validator.isLength('' + content, { min: 1 })
+}

diff --git a/server/initializers/constants.ts b/server/initializers/constants.ts
index 100a77622f5ce2f214da8703d2111a0f23eee84b..c8b21d10d3c3b67ee60960f15cea68090307a3ed 100644 (file)
--- a/server/initializers/constants.ts
+++ b/server/initializers/constants.ts
@@ -175,6 +175,9 @@ const CONSTRAINTS_FIELDS = {
   },
   VIDEO_EVENTS: {
     COUNT: { min: 0 }
+  },
+  COMMENT: {
+    URL: { min: 3, max: 2000 } // Length
   }
 }
 

diff --git a/server/initializers/database.ts b/server/initializers/database.ts
index 0b3f695f744331e3e96866dea80fcf58c7e9b395..852db68a019407352135f2024ec129e62347d22d 100644 (file)
--- a/server/initializers/database.ts
+++ b/server/initializers/database.ts
@@ -18,6 +18,7 @@ import { VideoModel } from '../models/video/video'
 import { VideoAbuseModel } from '../models/video/video-abuse'
 import { VideoBlacklistModel } from '../models/video/video-blacklist'
 import { VideoChannelModel } from '../models/video/video-channel'
+import { VideoCommentModel } from '../models/video/video-comment'
 import { VideoFileModel } from '../models/video/video-file'
 import { VideoShareModel } from '../models/video/video-share'
 import { VideoTagModel } from '../models/video/video-tag'
@@ -73,7 +74,8 @@ async function initDatabaseModels (silent: boolean) {
     VideoFileModel,
     VideoBlacklistModel,
     VideoTagModel,
-    VideoModel
+    VideoModel,
+    VideoCommentModel
   ])
 
   if (!silent) logger.info('Database %s is ready.', dbname)

diff --git a/server/lib/activitypub/process/process-create.ts b/server/lib/activitypub/process/process-create.ts
index 1ddd817dbb9dcfc115d893961fc89f732e5b4e30..102e54b19c34ad8dba729ddacf62c5958a2306bf 100644 (file)
--- a/server/lib/activitypub/process/process-create.ts
+++ b/server/lib/activitypub/process/process-create.ts
@@ -1,6 +1,7 @@
 import * as Bluebird from 'bluebird'
 import { ActivityCreate, VideoTorrentObject } from '../../../../shared'
 import { DislikeObject, VideoAbuseObject, ViewObject } from '../../../../shared/models/activitypub/objects'
+import { VideoCommentObject } from '../../../../shared/models/activitypub/objects/video-comment-object'
 import { VideoRateType } from '../../../../shared/models/videos'
 import { logger, retryTransactionWrapper } from '../../../helpers'
 import { sequelizeTypescript } from '../../../initializers'
@@ -9,6 +10,7 @@ import { ActorModel } from '../../../models/activitypub/actor'
 import { TagModel } from '../../../models/video/tag'
 import { VideoModel } from '../../../models/video/video'
 import { VideoAbuseModel } from '../../../models/video/video-abuse'
+import { VideoCommentModel } from '../../../models/video/video-comment'
 import { VideoFileModel } from '../../../models/video/video-file'
 import { getOrCreateActorAndServerAndModel } from '../actor'
 import { forwardActivity } from '../send/misc'
@@ -28,6 +30,8 @@ async function processCreateActivity (activity: ActivityCreate) {
     return processCreateVideo(actor, activity)
   } else if (activityType === 'Flag') {
     return processCreateVideoAbuse(actor, activityObject as VideoAbuseObject)
+  } else if (activityType === 'Note') {
+    return processCreateVideoComment(actor, activity)
   }
 
   logger.warn('Unknown activity object type %s when creating activity.', activityType, { activity: activity.id })
@@ -184,7 +188,7 @@ function createVideoDislike (byActor: ActorModel, activity: ActivityCreate) {
   })
 }
 
-async function processCreateView (byAccount: ActorModel, activity: ActivityCreate) {
+async function processCreateView (byActor: ActorModel, activity: ActivityCreate) {
   const view = activity.object as ViewObject
 
   const video = await VideoModel.loadByUrlAndPopulateAccount(view.object)
@@ -198,7 +202,7 @@ async function processCreateView (byAccount: ActorModel, activity: ActivityCreat
 
   if (video.isOwned()) {
     // Don't resend the activity to the sender
-    const exceptions = [ byAccount ]
+    const exceptions = [ byActor ]
     await forwardActivity(activity, undefined, exceptions)
   }
 }
@@ -236,3 +240,48 @@ function addRemoteVideoAbuse (actor: ActorModel, videoAbuseToCreateData: VideoAb
     logger.info('Remote abuse for video uuid %s created', videoAbuseToCreateData.object)
   })
 }
+
+function processCreateVideoComment (byActor: ActorModel, activity: ActivityCreate) {
+  const options = {
+    arguments: [ byActor, activity ],
+    errorMessage: 'Cannot create video comment with many retries.'
+  }
+
+  return retryTransactionWrapper(createVideoComment, options)
+}
+
+function createVideoComment (byActor: ActorModel, activity: ActivityCreate) {
+  const comment = activity.object as VideoCommentObject
+  const byAccount = byActor.Account
+
+  if (!byAccount) throw new Error('Cannot create video comment with the non account actor ' + byActor.url)
+
+  return sequelizeTypescript.transaction(async t => {
+    const video = await VideoModel.loadByUrl(comment.inReplyTo, t)
+
+    // This is a new thread
+    if (video) {
+      return VideoCommentModel.create({
+        url: comment.id,
+        text: comment.content,
+        originCommentId: null,
+        inReplyToComment: null,
+        videoId: video.id,
+        actorId: byActor.id
+      }, { transaction: t })
+    }
+
+    const inReplyToComment = await VideoCommentModel.loadByUrl(comment.inReplyTo, t)
+    if (!inReplyToComment) throw new Error('Unknown replied comment ' + comment.inReplyTo)
+
+    const originCommentId = inReplyToComment.originCommentId || inReplyToComment.id
+    return VideoCommentModel.create({
+      url: comment.id,
+      text: comment.content,
+      originCommentId,
+      inReplyToCommentId: inReplyToComment.id,
+      videoId: inReplyToComment.videoId,
+      actorId: byActor.id
+    }, { transaction: t })
+  })
+}

diff --git a/server/models/video/video-comment.ts b/server/models/video/video-comment.ts
new file mode 100644 (file)
index 0000000..92c0c61
--- /dev/null
+++ b/server/models/video/video-comment.ts
@@ -0,0 +1,95 @@
+import * as Sequelize from 'sequelize'
+import {
+  AllowNull, BelongsTo, Column, CreatedAt, DataType, Default, ForeignKey, IFindOptions, Is, IsUUID, Model, Table,
+  UpdatedAt
+} from 'sequelize-typescript'
+import { isActivityPubUrlValid } from '../../helpers/custom-validators/activitypub'
+import { CONSTRAINTS_FIELDS } from '../../initializers'
+import { ActorModel } from '../activitypub/actor'
+import { throwIfNotValid } from '../utils'
+import { VideoModel } from './video'
+
+@Table({
+  tableName: 'videoComment',
+  indexes: [
+    {
+      fields: [ 'videoId' ]
+    }
+  ]
+})
+export class VideoCommentModel extends Model<VideoCommentModel> {
+  @CreatedAt
+  createdAt: Date
+
+  @UpdatedAt
+  updatedAt: Date
+
+  @AllowNull(false)
+  @Is('VideoCommentUrl', value => throwIfNotValid(value, isActivityPubUrlValid, 'url'))
+  @Column(DataType.STRING(CONSTRAINTS_FIELDS.VIDEOS.URL.max))
+  url: string
+
+  @AllowNull(false)
+  @Column(DataType.TEXT)
+  text: string
+
+  @ForeignKey(() => VideoCommentModel)
+  @Column
+  originCommentId: number
+
+  @BelongsTo(() => VideoCommentModel, {
+    foreignKey: {
+      allowNull: true
+    },
+    onDelete: 'CASCADE'
+  })
+  OriginVideoComment: VideoCommentModel
+
+  @ForeignKey(() => VideoCommentModel)
+  @Column
+  inReplyToCommentId: number
+
+  @BelongsTo(() => VideoCommentModel, {
+    foreignKey: {
+      allowNull: true
+    },
+    onDelete: 'CASCADE'
+  })
+  InReplyToVideoComment: VideoCommentModel
+
+  @ForeignKey(() => VideoModel)
+  @Column
+  videoId: number
+
+  @BelongsTo(() => VideoModel, {
+    foreignKey: {
+      allowNull: false
+    },
+    onDelete: 'CASCADE'
+  })
+  Video: VideoModel
+
+  @ForeignKey(() => ActorModel)
+  @Column
+  actorId: number
+
+  @BelongsTo(() => ActorModel, {
+    foreignKey: {
+      allowNull: false
+    },
+    onDelete: 'CASCADE'
+  })
+  Actor: ActorModel
+
+  static loadByUrl (url: string, t?: Sequelize.Transaction) {
+    const query: IFindOptions<VideoCommentModel> = {
+      where: {
+        url
+      }
+    }
+
+    if (t !== undefined) query.transaction = t
+
+    return VideoCommentModel.findOne(query)
+  }
+}

diff --git a/server/models/video/video.ts b/server/models/video/video.ts
index 8c49bc3afa3a492d4176b30cfdce2992da3349fc..b6a2ce6b5f915a11b06134e841ffbafb7e59da3e 100644 (file)
--- a/server/models/video/video.ts
+++ b/server/models/video/video.ts
@@ -491,6 +491,18 @@ export class VideoModel extends Model<VideoModel> {
     return VideoModel.findById(id)
   }
 
+  static loadByUrl (url: string, t?: Sequelize.Transaction) {
+    const query: IFindOptions<VideoModel> = {
+      where: {
+        url
+      }
+    }
+
+    if (t !== undefined) query.transaction = t
+
+    return VideoModel.findOne(query)
+  }
+
   static loadByUrlAndPopulateAccount (url: string, t?: Sequelize.Transaction) {
     const query: IFindOptions<VideoModel> = {
       where: {

diff --git a/shared/models/activitypub/activity.ts b/shared/models/activitypub/activity.ts
index d5359eba183229bdbf5df841a72be50b596c6461..48b52d2cbe70b124aaa5be6d0e23682419b98337 100644 (file)
--- a/shared/models/activitypub/activity.ts
+++ b/shared/models/activitypub/activity.ts
@@ -2,6 +2,7 @@ import { ActivityPubSignature } from './activitypub-signature'
 import { VideoTorrentObject } from './objects'
 import { DislikeObject } from './objects/dislike-object'
 import { VideoAbuseObject } from './objects/video-abuse-object'
+import { VideoCommentObject } from './objects/video-comment-object'
 import { ViewObject } from './objects/view-object'
 
 export type Activity = ActivityCreate | ActivityUpdate |
@@ -27,7 +28,7 @@ export interface BaseActivity {
 
 export interface ActivityCreate extends BaseActivity {
   type: 'Create'
-  object: VideoTorrentObject | VideoAbuseObject | ViewObject | DislikeObject
+  object: VideoTorrentObject | VideoAbuseObject | ViewObject | DislikeObject | VideoCommentObject
 }
 
 export interface ActivityUpdate extends BaseActivity {

diff --git a/shared/models/activitypub/objects/video-comment-object.ts b/shared/models/activitypub/objects/video-comment-object.ts
new file mode 100644 (file)
index 0000000..fc2a9e8
--- /dev/null
+++ b/shared/models/activitypub/objects/video-comment-object.ts
@@ -0,0 +1,8 @@
+export interface VideoCommentObject {
+  type: 'Note'
+  id: string
+  content: string
+  inReplyTo: string
+  published: string
+  url: string
+}

diff --git a/yarn.lock b/yarn.lock
index 8f8f8235ae6f67841e52f8140728c7a69543fdce..101428df81217b71636c636de7f8a11bf7b7b166 100644 (file)
--- a/yarn.lock
+++ b/yarn.lock
@@ -150,6 +150,10 @@
     "@types/form-data" "*"
     "@types/node" "*"
 
+"@types/sanitize-html@^1.14.0":
+  version "1.14.0"
+  resolved "https://registry.yarnpkg.com/@types/sanitize-html/-/sanitize-html-1.14.0.tgz#9a03ec58306e24feaa3fbdb8ab593934d53ecb05"
+
 "@types/sequelize@4.0.79", "@types/sequelize@^4.0.55":
   version "4.0.79"
   resolved "https://registry.yarnpkg.com/@types/sequelize/-/sequelize-4.0.79.tgz#74c366407a978e493e70d7cea3d80c681aed15c0"
@@ -342,7 +346,7 @@ array-union@^1.0.1:
   dependencies:
     array-uniq "^1.0.1"
 
-array-uniq@^1.0.1:
+array-uniq@^1.0.1, array-uniq@^1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/array-uniq/-/array-uniq-1.0.3.tgz#af6ac877a25cc7f74e058894753858dfdb24fdb6"
 
@@ -783,7 +787,7 @@ chalk@^1.0.0, chalk@^1.1.1, chalk@^1.1.3:
     strip-ansi "^3.0.0"
     supports-color "^2.0.0"
 
-chalk@^2.0.0, chalk@^2.0.1, chalk@^2.1.0:
+chalk@^2.0.0, chalk@^2.0.1, chalk@^2.1.0, chalk@^2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.3.0.tgz#b5ea48efc9c1793dccc9b4767c93914d3f2d52ba"
   dependencies:
@@ -1196,6 +1200,34 @@ doctrine@^2.0.0:
   dependencies:
     esutils "^2.0.2"
 
+dom-serializer@0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/dom-serializer/-/dom-serializer-0.1.0.tgz#073c697546ce0780ce23be4a28e293e40bc30c82"
+  dependencies:
+    domelementtype "~1.1.1"
+    entities "~1.1.1"
+
+domelementtype@1, domelementtype@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/domelementtype/-/domelementtype-1.3.0.tgz#b17aed82e8ab59e52dd9c19b1756e0fc187204c2"
+
+domelementtype@~1.1.1:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/domelementtype/-/domelementtype-1.1.3.tgz#bd28773e2642881aec51544924299c5cd822185b"
+
+domhandler@^2.3.0:
+  version "2.4.1"
+  resolved "https://registry.yarnpkg.com/domhandler/-/domhandler-2.4.1.tgz#892e47000a99be55bbf3774ffea0561d8879c259"
+  dependencies:
+    domelementtype "1"
+
+domutils@^1.5.1:
+  version "1.6.2"
+  resolved "https://registry.yarnpkg.com/domutils/-/domutils-1.6.2.tgz#1958cc0b4c9426e9ed367fb1c8e854891b0fa3ff"
+  dependencies:
+    dom-serializer "0"
+    domelementtype "1"
+
 dot-prop@^4.1.0:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/dot-prop/-/dot-prop-4.2.0.tgz#1f19e0c2e1aa0e32797c49799f2837ac6af69c57"
@@ -1250,6 +1282,10 @@ end-of-stream@^1.0.0, end-of-stream@^1.1.0:
   dependencies:
     once "^1.4.0"
 
+entities@^1.1.1, entities@~1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/entities/-/entities-1.1.1.tgz#6e5c2d0a5621b5dadaecef80b90edfb5cd7772f0"
+
 error-ex@^1.2.0:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/error-ex/-/error-ex-1.3.1.tgz#f855a86ce61adc4e8621c3cda21e7a7612c3a8dc"
@@ -2033,6 +2069,17 @@ homedir-polyfill@^1.0.1:
   dependencies:
     parse-passwd "^1.0.0"
 
+htmlparser2@^3.9.0:
+  version "3.9.2"
+  resolved "https://registry.yarnpkg.com/htmlparser2/-/htmlparser2-3.9.2.tgz#1bdf87acca0f3f9e53fa4fcceb0f4b4cbb00b338"
+  dependencies:
+    domelementtype "^1.3.0"
+    domhandler "^2.3.0"
+    domutils "^1.5.1"
+    entities "^1.1.1"
+    inherits "^2.0.1"
+    readable-stream "^2.0.2"
+
 http-errors@1.6.2, http-errors@~1.6.2:
   version "1.6.2"
   resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.6.2.tgz#0a002cc85707192a7e7946ceedc11155f60ec736"
@@ -2551,6 +2598,10 @@ lodash.assign@^3.0.0:
     lodash._createassigner "^3.0.0"
     lodash.keys "^3.0.0"
 
+lodash.clonedeep@^4.5.0:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/lodash.clonedeep/-/lodash.clonedeep-4.5.0.tgz#e23f3f9c4f8fbdde872529c1071857a086e5ccef"
+
 lodash.cond@^4.3.0:
   version "4.5.2"
   resolved "https://registry.yarnpkg.com/lodash.cond/-/lodash.cond-4.5.2.tgz#f471a1da486be60f6ab955d17115523dd1d255d5"
@@ -2562,6 +2613,10 @@ lodash.defaults@^3.1.2:
     lodash.assign "^3.0.0"
     lodash.restparam "^3.0.0"
 
+lodash.escaperegexp@^4.1.2:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/lodash.escaperegexp/-/lodash.escaperegexp-4.1.2.tgz#64762c48618082518ac3df4ccf5d5886dae20347"
+
 lodash.isarguments@^3.0.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/lodash.isarguments/-/lodash.isarguments-3.1.0.tgz#2f573d85c6a24289ff00663b491c1d338ff3458a"
@@ -2578,6 +2633,10 @@ lodash.keys@^3.0.0:
     lodash.isarguments "^3.0.0"
     lodash.isarray "^3.0.0"
 
+lodash.mergewith@^4.6.0:
+  version "4.6.0"
+  resolved "https://registry.yarnpkg.com/lodash.mergewith/-/lodash.mergewith-4.6.0.tgz#150cf0a16791f5903b8891eab154609274bdea55"
+
 lodash.restparam@^3.0.0:
   version "3.6.1"
   resolved "https://registry.yarnpkg.com/lodash.restparam/-/lodash.restparam-3.6.1.tgz#936a4e309ef330a7645ed4145986c85ae5b20805"
@@ -3267,6 +3326,14 @@ pluralize@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/pluralize/-/pluralize-1.2.1.tgz#d1a21483fd22bb41e58a12fa3421823140897c45"
 
+postcss@^6.0.14:
+  version "6.0.14"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-6.0.14.tgz#5534c72114739e75d0afcf017db853099f562885"
+  dependencies:
+    chalk "^2.3.0"
+    source-map "^0.6.1"
+    supports-color "^4.4.0"
+
 postgres-array@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/postgres-array/-/postgres-array-1.0.2.tgz#8e0b32eb03bf77a5c0a7851e0441c169a256a238"
@@ -3647,6 +3714,18 @@ safe-buffer@5.1.1, safe-buffer@^5.0.0, safe-buffer@^5.0.1, safe-buffer@^5.1.0, s
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
 
+sanitize-html@^1.16.3:
+  version "1.16.3"
+  resolved "https://registry.yarnpkg.com/sanitize-html/-/sanitize-html-1.16.3.tgz#96c1b44a36ff7312e1c22a14b05274370ac8bd56"
+  dependencies:
+    htmlparser2 "^3.9.0"
+    lodash.clonedeep "^4.5.0"
+    lodash.escaperegexp "^4.1.2"
+    lodash.mergewith "^4.6.0"
+    postcss "^6.0.14"
+    srcset "^1.0.0"
+    xtend "^4.0.0"
+
 scripty@^1.5.0:
   version "1.7.2"
   resolved "https://registry.yarnpkg.com/scripty/-/scripty-1.7.2.tgz#92367b724cb77b086729691f7b01aa57f3ddd356"
@@ -3854,7 +3933,7 @@ source-map@^0.5.6:
   version "0.5.7"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
 
-source-map@^0.6.0:
+source-map@^0.6.0, source-map@^0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
 
@@ -3882,6 +3961,13 @@ sprintf-js@~1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
 
+srcset@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/srcset/-/srcset-1.0.0.tgz#a5669de12b42f3b1d5e83ed03c71046fc48f41ef"
+  dependencies:
+    array-uniq "^1.0.2"
+    number-is-nan "^1.0.0"
+
 sshpk@^1.7.0:
   version "1.13.1"
   resolved "https://registry.yarnpkg.com/sshpk/-/sshpk-1.13.1.tgz#512df6da6287144316dc4c18fe1cf1d940739be3"
@@ -4067,7 +4153,7 @@ supports-color@^3.2.3:
   dependencies:
     has-flag "^1.0.0"
 
-supports-color@^4.0.0:
+supports-color@^4.0.0, supports-color@^4.4.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-4.5.0.tgz#be7a0de484dec5c5cddf8b3d59125044912f635b"
   dependencies: