summaryrefslogblamecommitdiff
path: root/pkgs/webapps/peertube/ldap.patch
blob: 438eaa0aaa3315fab08faa445cb2aa690bc1bd6f (plain) (tree)
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commit ffb4a59047a014d6bb050b67a2fc7bc116be4682
Author: Ismaël Bouya <ismael.bouya@normalesup.org>
Date:   Tue Feb 12 18:47:53 2019 +0100

    Add LDAP authentication

diff --git a/config/default.yaml b/config/default.yaml
index 3260c62fc..dcce721b9 100644
--- a/config/default.yaml
+++ b/config/default.yaml
@@ -51,6 +51,19 @@ redis:
   auth: null
   db: 0
 
+auth:
+  local:
+    enabled: true
+  ldap:
+    enabled: true
+    url: ldap://localhost:389/dc=example,dc=com
+    insecure_tls: false
+    bind_dn: cn=admin,dc=example,dc=com
+    bind_password: adminPass
+    base: dc=example,dc=com
+    mail_entry: "mail"
+    user_filter: "(|(email=%username%)(uid=%username%))"
+
 smtp:
   hostname: null
   port: 465
diff --git a/config/production.yaml.example b/config/production.yaml.example
index 30cd2ffe0..c56691bf4 100644
--- a/config/production.yaml.example
+++ b/config/production.yaml.example
@@ -51,6 +51,19 @@ redis:
   auth: null
   db: 0
 
+auth:
+  local:
+    enabled: true
+  ldap:
+    enabled: true
+    url: ldap://localhost:389/dc=example,dc=com
+    insecure_tls: false
+    bind_dn: cn=admin,dc=example,dc=com
+    bind_password: adminPass
+    base: dc=example,dc=com
+    mail_entry: "mail"
+    user_filter: "(|(email=%username%)(uid=%username%))"
+
 # SMTP server to send emails
 smtp:
   hostname: null
diff --git a/package.json b/package.json
index 49d9faf97..31eccf797 100644
--- a/package.json
+++ b/package.json
@@ -112,6 +112,7 @@
     "iso-639-3": "^1.0.1",
     "js-yaml": "^3.5.4",
     "jsonld": "~2.0.1",
+    "ldapjs": "^1.0.2",
     "lodash": "^4.17.10",
     "lru-cache": "^5.1.1",
     "magnet-uri": "^5.1.4",
diff --git a/server/initializers/config.ts b/server/initializers/config.ts
index 7fd77f3e8..45a667826 100644
--- a/server/initializers/config.ts
+++ b/server/initializers/config.ts
@@ -34,6 +34,21 @@ const CONFIG = {
     AUTH: config.has('redis.auth') ? config.get<string>('redis.auth') : null,
     DB: config.has('redis.db') ? config.get<number>('redis.db') : null
   },
+  AUTH: {
+    LOCAL: {
+      ENABLED: config.has('auth.local.enabled') ? config.get<boolean>('auth.local.enabled') : true,
+    },
+    LDAP: {
+      ENABLED: config.has('auth.ldap.enabled') ? config.get<boolean>('auth.ldap.enabled') : false,
+      URL: config.has('auth.ldap.url') ? config.get<string>('auth.ldap.url') : null,
+      INSECURE_TLS: config.has('auth.ldap.insecure_tls') ? config.get<boolean>('auth.ldap.insecure_tls') : false,
+      BIND_DN: config.has('auth.ldap.bind_dn') ? config.get<string>('auth.ldap.bind_dn') : null,
+      BIND_PASSWORD: config.has('auth.ldap.bind_password') ? config.get<string>('auth.ldap.bind_password') : null,
+      BASE: config.has('auth.ldap.base') ? config.get<string>('auth.ldap.base') : null,
+      MAIL_ENTRY: config.has('auth.ldap.mail_entry') ? config.get<string>('auth.ldap.mail_entry') : 'mail',
+      USER_FILTER: config.has('auth.ldap.user_filter') ? config.get<string>('auth.ldap.user_filter') : null
+    },
+  },
   SMTP: {
     HOSTNAME: config.get<string>('smtp.hostname'),
     PORT: config.get<number>('smtp.port'),
diff --git a/server/initializers/migrations/0375-user-ldap-dn.ts b/server/initializers/migrations/0375-user-ldap-dn.ts
new file mode 100644
index 000000000..a9d68124b
--- /dev/null
+++ b/server/initializers/migrations/0375-user-ldap-dn.ts
@@ -0,0 +1,26 @@
+import * as Sequelize from 'sequelize'
+
+async function up (utils: {
+  transaction: Sequelize.Transaction,
+  queryInterface: Sequelize.QueryInterface,
+  sequelize: Sequelize.Sequelize
+}): Promise<void> {
+
+  {
+    const data = {
+      type: Sequelize.STRING,
+      allowNull: true,
+      defaultValue: null
+    }
+    await utils.queryInterface.addColumn('user', 'ldapDn', data)
+  }
+}
+
+function down (options) {
+  throw new Error('Not implemented.')
+}
+
+export {
+  up,
+  down
+}
diff --git a/server/lib/ldap.ts b/server/lib/ldap.ts
new file mode 100644
index 000000000..e6601e5cb
--- /dev/null
+++ b/server/lib/ldap.ts
@@ -0,0 +1,89 @@
+import * as express from 'express'
+import { createClient, Client, parseFilter } from 'ldapjs'
+import { logger } from '../helpers/logger'
+import { CONFIG } from '../initializers/config'
+
+class Ldap {
+
+  private static instance: Ldap
+  private initialized = false
+  private client: Client
+  private prefix: string
+
+  private constructor () {}
+
+  init () {
+    // Already initialized
+    if (this.initialized === true) return
+    this.initialized = true
+
+    this.client = createClient(Ldap.getLdapClientOptions())
+  }
+
+  static getLdapClientOptions () {
+    return Object.assign({}, {
+      url: CONFIG.AUTH.LDAP.URL,
+      reconnect: true,
+      tlsOptions: { rejectUnauthorized: !CONFIG.AUTH.LDAP.INSECURE_TLS }
+    })
+  }
+
+  getClient () {
+    this.init()
+    return this.client
+  }
+
+  findUser (username: string) {
+    const filter = parseFilter(CONFIG.AUTH.LDAP.USER_FILTER)
+    filter.forEach(function (element) {
+      if (element.value === '%username%') element.value = username
+    })
+    const opts = {
+      filter,
+      scope: 'sub',
+      attributes: [ CONFIG.AUTH.LDAP.MAIL_ENTRY, 'dn' ]
+    }
+
+    const client = this.getClient()
+
+    return new Promise(function (resolve, reject) {
+      client.bind(CONFIG.AUTH.LDAP.BIND_DN, CONFIG.AUTH.LDAP.BIND_PASSWORD, function (err) {
+        if (err) reject(err)
+        let entries = []
+        client.search(CONFIG.AUTH.LDAP.BASE, opts, function (err, search) {
+          if (err) reject(err)
+          search.on('searchEntry', function (entry) {
+            entries.push(entry.object)
+          })
+          search.on('end', function (result) {
+            if (entries.length === 1) {
+              resolve(entries[0])
+            } else {
+              reject("No user found corresponding to this username")
+            }
+          })
+        })
+      })
+    })
+  }
+
+  checkUser (dn: string, password: string) {
+    const client = this.getClient()
+    return new Promise(function (resolve, reject) {
+      client.bind(dn, password, function (err) {
+        resolve(!err)
+      })
+    })
+  }
+
+
+  static get Instance () {
+    return this.instance || (this.instance = new this())
+  }
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+  Ldap
+}
diff --git a/server/lib/oauth-model.ts b/server/lib/oauth-model.ts
index 086856f41..ab10effd0 100644
--- a/server/lib/oauth-model.ts
+++ b/server/lib/oauth-model.ts
@@ -9,6 +9,7 @@ import { Transaction } from 'sequelize'
 import { CONFIG } from '../initializers/config'
 import * as LRUCache from 'lru-cache'
 import { MOAuthTokenUser } from '@server/typings/models/oauth/oauth-token'
+import { MUserDefault } from '@server/typings/models'
 
 type TokenInfo = { accessToken: string, refreshToken: string, accessTokenExpiresAt: Date, refreshTokenExpiresAt: Date }
 
@@ -74,7 +75,13 @@ function getRefreshToken (refreshToken: string) {
 async function getUser (usernameOrEmail: string, password: string) {
   logger.debug('Getting User (username/email: ' + usernameOrEmail + ', password: ******).')
 
-  const user = await UserModel.loadByUsernameOrEmail(usernameOrEmail)
+  let user : MUserDefault
+  if (CONFIG.AUTH.LDAP.ENABLED) {
+    user = await UserModel.findOrCreateLDAPUser(usernameOrEmail)
+  }
+  if (!user && CONFIG.AUTH.LOCAL.ENABLED) {
+    user = await UserModel.loadByUsernameOrEmail(usernameOrEmail)
+  }
   if (!user) return null
 
   const passwordMatch = await user.isPasswordMatch(password)
diff --git a/server/models/account/user.ts b/server/models/account/user.ts
index 4c2c5e278..0b38f7cb2 100644
--- a/server/models/account/user.ts
+++ b/server/models/account/user.ts
@@ -1,4 +1,5 @@
 import { FindOptions, literal, Op, QueryTypes, where, fn, col } from 'sequelize'
+import { Ldap } from '../../lib/ldap'
 import {
   AfterDestroy,
   AfterUpdate,
@@ -50,7 +51,9 @@ import { AccountModel } from './account'
 import { NSFWPolicyType } from '../../../shared/models/videos/nsfw-policy.type'
 import { values } from 'lodash'
 import { DEFAULT_THEME_NAME, DEFAULT_USER_THEME_NAME, NSFW_POLICY_TYPES } from '../../initializers/constants'
+import { CONFIG } from '../../initializers/config'
 import { clearCacheByUserId } from '../../lib/oauth-model'
+import { createUserAccountAndChannelAndPlaylist } from '../../lib/user'
 import { UserNotificationSettingModel } from './user-notification-setting'
 import { VideoModel } from '../video/video'
 import { ActorModel } from '../activitypub/actor'
@@ -149,6 +152,11 @@ export class UserModel extends Model<UserModel> {
   @Column(DataType.STRING(400))
   pendingEmail: string
 
+  @AllowNull(true)
+  @Default(null)
+  @Column
+  ldapDn: string
+
   @AllowNull(true)
   @Default(null)
   @Is('UserEmailVerified', value => throwIfNotValid(value, isUserEmailVerifiedValid, 'email verified boolean', true))
@@ -440,6 +448,48 @@ export class UserModel extends Model<UserModel> {
     return UserModel.findOne(query)
   }
 
+  static loadByLdapDn (ldapDn: string) {
+    const query = {
+      where: {
+        ldapDn
+      }
+    }
+
+    return UserModel.findOne(query)
+  }
+
+  static async findOrCreateLDAPUser (username: string) {
+    try {
+      const userInfos = await Ldap.Instance.findUser(username)
+      const user = await UserModel.loadByLdapDn(userInfos['dn'])
+      if (user) {
+        return user
+      } else {
+        return await UserModel.createLDAPUser(username, userInfos)
+      }
+    } catch (e) {
+      return null
+    }
+  }
+
+  static async createLDAPUser (username: string, userInfos: {}) {
+    const userToCreate = new UserModel({
+      username,
+      password: 'SomeInvalidPassword',
+      email: userInfos[CONFIG.AUTH.LDAP.MAIL_ENTRY],
+      ldapDn: userInfos['dn'],
+      nsfwPolicy: CONFIG.INSTANCE.DEFAULT_NSFW_POLICY,
+      autoPlayVideo: true,
+      role: UserRole.USER,
+      videoQuota: CONFIG.USER.VIDEO_QUOTA,
+      videoQuotaDaily: CONFIG.USER.VIDEO_QUOTA_DAILY,
+      emailVerified: true,
+      adminFlags: UserAdminFlag.NONE
+    })
+    const { user } = await createUserAccountAndChannelAndPlaylist({ userToCreate })
+    return user
+  }
+
   static loadForMeAPI (username: string): Bluebird<MUserNotifSettingChannelDefault> {
     const query = {
       where: {
@@ -627,7 +677,11 @@ export class UserModel extends Model<UserModel> {
   }
 
   isPasswordMatch (password: string) {
-    return comparePassword(password, this.password)
+    if (this.ldapDn === null) {
+      return comparePassword(password, this.password)
+    } else {
+      return Ldap.Instance.checkUser(this.ldapDn, password)
+    }
   }
 
   toFormattedJSON (this: MUserFormattable, parameters: { withAdminFlags?: boolean } = {}): User {
diff --git a/yarn.lock b/yarn.lock
index 76ce7ed27..f087746df 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -616,6 +616,11 @@ arraybuffer.slice@~0.0.7:
   resolved "https://registry.yarnpkg.com/arraybuffer.slice/-/arraybuffer.slice-0.0.7.tgz#3bbc4275dd584cc1b10809b89d4e8b63a69e7675"
   integrity sha512-wGUIVQXuehL5TCqQun8OW81jGzAWycqzFF8lFp+GOM5BXLYj3bKNsYC4daB7n6XjCqxQA/qgTJ+8ANR3acjrog==
 
+asn1@0.2.3:
+  version "0.2.3"
+  resolved "https://registry.yarnpkg.com/asn1/-/asn1-0.2.3.tgz#dac8787713c9966849fc8180777ebe9c1ddf3b86"
+  integrity sha1-2sh4dxPJlmhJ/IGAd36+nB3fO4Y=
+
 asn1@~0.2.3:
   version "0.2.4"
   resolved "https://registry.yarnpkg.com/asn1/-/asn1-0.2.4.tgz#8d2475dfab553bb33e77b54e59e880bb8ce23136"
@@ -623,6 +628,11 @@ asn1@~0.2.3:
   dependencies:
     safer-buffer "~2.1.0"
 
+assert-plus@0.1.5:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/assert-plus/-/assert-plus-0.1.5.tgz#ee74009413002d84cec7219c6ac811812e723160"
+  integrity sha1-7nQAlBMALYTOxyGcasgRgS5yMWA=
+
 assert-plus@1.0.0, assert-plus@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/assert-plus/-/assert-plus-1.0.0.tgz#f12e0f3c5d77b0b1cdd9146942e4e96c1e4dd525"
@@ -692,6 +702,13 @@ backo2@1.0.2:
   resolved "https://registry.yarnpkg.com/backo2/-/backo2-1.0.2.tgz#31ab1ac8b129363463e35b3ebb69f4dfcfba7947"
   integrity sha1-MasayLEpNjRj41s+u2n038+6eUc=
 
+backoff@^2.5.0:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/backoff/-/backoff-2.5.0.tgz#f616eda9d3e4b66b8ca7fca79f695722c5f8e26f"
+  integrity sha1-9hbtqdPktmuMp/ynn2lXIsX44m8=
+  dependencies:
+    precond "0.2"
+
 balanced-match@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
@@ -1001,6 +1018,16 @@ bull@^3.4.2:
     util.promisify "^1.0.0"
     uuid "^3.3.3"
 
+bunyan@^1.8.3:
+  version "1.8.12"
+  resolved "https://registry.yarnpkg.com/bunyan/-/bunyan-1.8.12.tgz#f150f0f6748abdd72aeae84f04403be2ef113797"
+  integrity sha1-8VDw9nSKvdcq6uhPBEA74u8RN5c=
+  optionalDependencies:
+    dtrace-provider "~0.8"
+    moment "^2.10.6"
+    mv "~2"
+    safe-json-stringify "~1"
+
 busboy@^0.2.11:
   version "0.2.14"
   resolved "https://registry.yarnpkg.com/busboy/-/busboy-0.2.14.tgz#6c2a622efcf47c57bbbe1e2a9c37ad36c7925453"
@@ -1619,7 +1646,7 @@ d@1, d@^1.0.1:
     es5-ext "^0.10.50"
     type "^1.0.1"
 
-dashdash@^1.12.0:
+dashdash@^1.12.0, dashdash@^1.14.0:
   version "1.14.1"
   resolved "https://registry.yarnpkg.com/dashdash/-/dashdash-1.14.1.tgz#853cfa0f7cbe2fed5de20326b8dd581035f6e2f0"
   integrity sha1-hTz6D3y+L+1d4gMmuN1YEDX24vA=
@@ -1845,6 +1872,13 @@ double-ended-queue@^2.1.0-0:
   resolved "https://registry.yarnpkg.com/double-ended-queue/-/double-ended-queue-2.1.0-0.tgz#103d3527fd31528f40188130c841efdd78264e5c"
   integrity sha1-ED01J/0xUo9AGIEwyEHv3XgmTlw=
 
+dtrace-provider@~0.8:
+  version "0.8.8"
+  resolved "https://registry.yarnpkg.com/dtrace-provider/-/dtrace-provider-0.8.8.tgz#2996d5490c37e1347be263b423ed7b297fb0d97e"
+  integrity sha512-b7Z7cNtHPhH9EJhNNbbeqTcXB8LGFFZhq1PGgEvpeHlzd36bhbdTWoE/Ba/YguqpBSlAPKnARWhVlhunCMwfxg==
+  dependencies:
+    nan "^2.14.0"
+
 duplexer3@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/duplexer3/-/duplexer3-0.1.4.tgz#ee01dd1cac0ed3cbc7fdbea37dc0a8f1ce002ce2"
@@ -2228,6 +2262,11 @@ extend@^3.0.0, extend@~3.0.0, extend@~3.0.2:
   resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.2.tgz#f8b1136b4071fbd8eb140aff858b1019ec2915fa"
   integrity sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g==
 
+extsprintf@1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.2.0.tgz#5ad946c22f5b32ba7f8cd7426711c6e8a3fc2529"
+  integrity sha1-WtlGwi9bMrp/jNdCZxHG6KP8JSk=
+
 extsprintf@1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.3.0.tgz#96918440e3041a7a414f8c52e3c574eb3c3e1e05"
@@ -2567,6 +2606,17 @@ glob@7.1.3:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
+glob@^6.0.1:
+  version "6.0.4"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-6.0.4.tgz#0f08860f6a155127b2fadd4f9ce24b1aab6e4d22"
+  integrity sha1-DwiGD2oVUSey+t1PnOJLGqtuTSI=
+  dependencies:
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "2 || 3"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
 glob@^7.0.3, glob@^7.1.1, glob@^7.1.3:
   version "7.1.6"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.6.tgz#141f33b81a7c2492e125594307480c46679278a6"
@@ -3356,6 +3406,30 @@ latest-version@^3.0.0:
   dependencies:
     package-json "^4.0.0"
 
+ldap-filter@0.2.2:
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/ldap-filter/-/ldap-filter-0.2.2.tgz#f2b842be0b86da3352798505b31ebcae590d77d0"
+  integrity sha1-8rhCvguG2jNSeYUFsx68rlkNd9A=
+  dependencies:
+    assert-plus "0.1.5"
+
+ldapjs@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/ldapjs/-/ldapjs-1.0.2.tgz#544ff7032b7b83c68f0701328d9297aa694340f9"
+  integrity sha1-VE/3Ayt7g8aPBwEyjZKXqmlDQPk=
+  dependencies:
+    asn1 "0.2.3"
+    assert-plus "^1.0.0"
+    backoff "^2.5.0"
+    bunyan "^1.8.3"
+    dashdash "^1.14.0"
+    ldap-filter "0.2.2"
+    once "^1.4.0"
+    vasync "^1.6.4"
+    verror "^1.8.1"
+  optionalDependencies:
+    dtrace-provider "~0.8"
+
 libxmljs@0.19.7:
   version "0.19.7"
   resolved "https://registry.yarnpkg.com/libxmljs/-/libxmljs-0.19.7.tgz#96c2151b0b73f33dd29917edec82902587004e5a"
@@ -3724,7 +3798,7 @@ mimic-response@^2.0.0:
   resolved "https://registry.yarnpkg.com/mimic-response/-/mimic-response-2.0.0.tgz#996a51c60adf12cb8a87d7fb8ef24c2f3d5ebb46"
   integrity sha512-8ilDoEapqA4uQ3TwS0jakGONKXVJqpy+RpM+3b7pLdOjghCrEiGp9SRkFbUHAmZW9vdnrENWHjaweIoTIJExSQ==
 
-minimatch@3.0.4, minimatch@^3.0.4:
+"minimatch@2 || 3", minimatch@3.0.4, minimatch@^3.0.4:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
   integrity sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==
@@ -3825,7 +3899,7 @@ moment-timezone@^0.5.21, moment-timezone@^0.5.25:
   dependencies:
     moment ">= 2.9.0"
 
-"moment@>= 2.9.0", moment@^2.24.0:
+"moment@>= 2.9.0", moment@^2.10.6, moment@^2.24.0:
   version "2.24.0"
   resolved "https://registry.yarnpkg.com/moment/-/moment-2.24.0.tgz#0d055d53f5052aa653c9f6eb68bb5d12bf5c2b5b"
   integrity sha512-bV7f+6l2QigeBBZSM/6yTNq4P2fNpSWj/0e7jQcy87A8e7o2nAfP/34/2ky5Vw4B9S446EtIhodAzkFCcR4dQg==
@@ -3898,6 +3972,15 @@ mute-stream@~0.0.4:
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.8.tgz#1630c42b2251ff81e2a283de96a5497ea92e5e0d"
   integrity sha512-nnbWWOkoWyUsTjKrhgD0dcz22mdkSnpYqbEjIm2nhwhuxlSkpywJmBo8h0ZqJdkp73mb90SssHkN4rsRaBAfAA==
 
+mv@~2:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/mv/-/mv-2.1.1.tgz#ae6ce0d6f6d5e0a4f7d893798d03c1ea9559b6a2"
+  integrity sha1-rmzg1vbV4KT32JN5jQPB6pVZtqI=
+  dependencies:
+    mkdirp "~0.5.1"
+    ncp "~2.0.0"
+    rimraf "~2.4.0"
+
 nan@2.14.0, nan@^2.14.0, nan@~2.14.0:
   version "2.14.0"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.0.tgz#7818f722027b2459a86f0295d434d1fc2336c52c"
@@ -3913,6 +3996,11 @@ ncp@1.0.x:
   resolved "https://registry.yarnpkg.com/ncp/-/ncp-1.0.1.tgz#d15367e5cb87432ba117d2bf80fdf45aecfb4246"
   integrity sha1-0VNn5cuHQyuhF9K/gP30Wuz7QkY=
 
+ncp@~2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/ncp/-/ncp-2.0.0.tgz#195a21d6c46e361d2fb1281ba38b91e9df7bdbb3"
+  integrity sha1-GVoh1sRuNh0vsSgbo4uR6d9727M=
+
 needle@^2.2.1:
   version "2.4.0"
   resolved "https://registry.yarnpkg.com/needle/-/needle-2.4.0.tgz#6833e74975c444642590e15a750288c5f939b57c"
@@ -4597,6 +4685,11 @@ prebuild-install@^5.3.3:
     tunnel-agent "^0.6.0"
     which-pm-runs "^1.0.0"
 
+precond@0.2:
+  version "0.2.3"
+  resolved "https://registry.yarnpkg.com/precond/-/precond-0.2.3.tgz#aa9591bcaa24923f1e0f4849d240f47efc1075ac"
+  integrity sha1-qpWRvKokkj8eD0hJ0kD0fvwQdaw=
+
 prepend-http@^1.0.1:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/prepend-http/-/prepend-http-1.0.4.tgz#d4f4562b0ce3696e41ac52d0e002e57a635dc6dc"
@@ -5032,6 +5125,13 @@ rimraf@^3.0.0:
   dependencies:
     glob "^7.1.3"
 
+rimraf@~2.4.0:
+  version "2.4.5"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.4.5.tgz#ee710ce5d93a8fdb856fb5ea8ff0e2d75934b2da"
+  integrity sha1-7nEM5dk6j9uFb7Xqj/Di11k0sto=
+  dependencies:
+    glob "^6.0.1"
+
 run-parallel-limit@^1.0.3:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/run-parallel-limit/-/run-parallel-limit-1.0.5.tgz#c29a4fd17b4df358cb52a8a697811a63c984f1b7"
@@ -5069,6 +5169,11 @@ safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2,
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.0.tgz#b74daec49b1148f88c64b68d49b1e815c1f2f519"
   integrity sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg==
 
+safe-json-stringify@~1:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/safe-json-stringify/-/safe-json-stringify-1.2.0.tgz#356e44bc98f1f93ce45df14bcd7c01cda86e0afd"
+  integrity sha512-gH8eh2nZudPQO6TytOvbxnuhYBOvDBBLW52tz5q6X58lJcd/tkmqFR+5Z9adS8aJtURSXWThWy/xJtJwixErvg==
+
 "safer-buffer@>= 2.1.2 < 3", safer-buffer@^2.0.2, safer-buffer@^2.1.0, safer-buffer@~2.1.0:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
@@ -6337,7 +6442,14 @@ vary@^1, vary@~1.1.2:
   resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
   integrity sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=
 
-verror@1.10.0:
+vasync@^1.6.4:
+  version "1.6.4"
+  resolved "https://registry.yarnpkg.com/vasync/-/vasync-1.6.4.tgz#dfe93616ad0e7ae801b332a9d88bfc5cdc8e1d1f"
+  integrity sha1-3+k2Fq0OeugBszKp2Iv8XNyOHR8=
+  dependencies:
+    verror "1.6.0"
+
+verror@1.10.0, verror@^1.8.1:
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/verror/-/verror-1.10.0.tgz#3a105ca17053af55d6e270c1f8288682e18da400"
   integrity sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=
@@ -6346,6 +6458,13 @@ verror@1.10.0:
     core-util-is "1.0.2"
     extsprintf "^1.2.0"
 
+verror@1.6.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/verror/-/verror-1.6.0.tgz#7d13b27b1facc2e2da90405eb5ea6e5bdd252ea5"
+  integrity sha1-fROyex+swuLakEBetepuW90lLqU=
+  dependencies:
+    extsprintf "1.2.0"
+
 videostream@^3.2.0:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/videostream/-/videostream-3.2.1.tgz#643688ad4bfbf37570d421e3196b7e0ad38eeebc"