overleaf/services/web/config/settings.defaults.coffee
Jakob Ackermann 0829e823a8 [misc] optionally skip adding the routes of the launchpad module (#3194)
GitOrigin-RevId: 1fb797cf13fe715efe7b1161bdcfd8735f8f349e
2020-09-16 02:05:08 +00:00

657 lines
22 KiB
CoffeeScript

Path = require('path')
http = require('http')
http.globalAgent.maxSockets = 300
# Make time interval config easier.
seconds = 1000
minutes = 60 * seconds
# These credentials are used for authenticating api requests
# between services that may need to go over public channels
httpAuthUser = process.env['WEB_API_USER']
httpAuthPass = process.env['WEB_API_PASSWORD']
httpAuthUsers = {}
if httpAuthUser and httpAuthPass
httpAuthUsers[httpAuthUser] = httpAuthPass
sessionSecret = process.env['SESSION_SECRET'] or "secret-please-change"
if process.env['V1_API_URL'] or process.env['V1_HOST']
v1Api =
url: process.env['V1_API_URL'] or "http://#{process.env['V1_HOST']}:5000"
user: process.env['V1_API_USER']
pass: process.env['V1_API_PASSWORD']
else
v1Api =
url: undefined
user: undefined
pass: undefined
intFromEnv = (name, defaultValue) ->
if defaultValue in [null, undefined] or typeof defaultValue != 'number'
throw new Error("Bad default integer value for setting: #{name}, #{defaultValue}")
parseInt(process.env[name], 10) || defaultValue
module.exports = settings =
allowAnonymousReadAndWriteSharing:
process.env['SHARELATEX_ALLOW_ANONYMOUS_READ_AND_WRITE_SHARING'] == 'true'
# Databases
# ---------
mongo:
url : process.env['MONGO_CONNECTION_STRING'] || process.env['MONGO_URL'] || "mongodb://#{process.env['MONGO_HOST'] or '127.0.0.1'}/sharelatex"
poolSize: parseInt(process.env['MONGO_POOL_SIZE'], 10) || 10
socketTimeoutMS: parseInt(process.env['MONGO_SOCKET_TIMEOUT'], 10) || 30000
redis:
web:
host: process.env['REDIS_HOST'] || "localhost"
port: process.env['REDIS_PORT'] || "6379"
password: process.env["REDIS_PASSWORD"] or ""
maxRetriesPerRequest: parseInt(process.env["REDIS_MAX_RETRIES_PER_REQUEST"] || '20')
# websessions:
# cluster: [
# {host: 'localhost', port: 7000}
# {host: 'localhost', port: 7001}
# {host: 'localhost', port: 7002}
# {host: 'localhost', port: 7003}
# {host: 'localhost', port: 7004}
# {host: 'localhost', port: 7005}
# ]
# ratelimiter:
# cluster: [
# {host: 'localhost', port: 7000}
# {host: 'localhost', port: 7001}
# {host: 'localhost', port: 7002}
# {host: 'localhost', port: 7003}
# {host: 'localhost', port: 7004}
# {host: 'localhost', port: 7005}
# ]
# cooldown:
# cluster: [
# {host: 'localhost', port: 7000}
# {host: 'localhost', port: 7001}
# {host: 'localhost', port: 7002}
# {host: 'localhost', port: 7003}
# {host: 'localhost', port: 7004}
# {host: 'localhost', port: 7005}
# ]
api:
host: process.env['REDIS_HOST'] || "localhost"
port: process.env['REDIS_PORT'] || "6379"
password: process.env["REDIS_PASSWORD"] or ""
maxRetriesPerRequest: parseInt(process.env["REDIS_MAX_RETRIES_PER_REQUEST"] || '20')
# Service locations
# -----------------
# Configure which ports to run each service on. Generally you
# can leave these as they are unless you have some other services
# running which conflict, or want to run the web process on port 80.
internal:
web:
port: webPort = process.env['WEB_PORT'] or 3000
host: process.env['LISTEN_ADDRESS'] or 'localhost'
documentupdater:
port: docUpdaterPort = 3003
gitBridgePublicBaseUrl: "http://#{process.env['GIT_BRIDGE_HOST'] || 'localhost'}:8000"
# Tell each service where to find the other services. If everything
# is running locally then this is easy, but they exist as separate config
# options incase you want to run some services on remote hosts.
apis:
web:
url: "http://#{process.env['WEB_API_HOST'] or process.env['WEB_HOST'] or "localhost"}:#{process.env['WEB_API_PORT'] or process.env['WEB_PORT'] or 3000}"
user: httpAuthUser
pass: httpAuthPass
documentupdater:
url : "http://#{process.env['DOCUPDATER_HOST'] or process.env['DOCUMENT_UPDATER_HOST'] or 'localhost'}:#{docUpdaterPort}"
thirdPartyDataStore:
url : "http://#{process.env['TPDS_HOST'] or 'localhost'}:3002"
emptyProjectFlushDelayMiliseconds: 5 * seconds
dropboxApp: process.env['TPDS_DROPBOX_APP']
tags:
url :"http://#{process.env['TAGS_HOST'] or 'localhost'}:3012"
spelling:
url : "http://#{process.env['SPELLING_HOST'] or 'localhost'}:3005"
host: process.env['SPELLING_HOST']
trackchanges:
url : "http://#{process.env['TRACK_CHANGES_HOST'] or 'localhost'}:3015"
project_history:
sendProjectStructureOps: process.env.PROJECT_HISTORY_ENABLED == 'true' or false
initializeHistoryForNewProjects: process.env.PROJECT_HISTORY_ENABLED == 'true' or false
displayHistoryForNewProjects: process.env.PROJECT_HISTORY_ENABLED == 'true' or false
url : "http://#{process.env['PROJECT_HISTORY_HOST'] or 'localhost'}:3054"
docstore:
url : "http://#{process.env['DOCSTORE_HOST'] or 'localhost'}:3016"
pubUrl: "http://#{process.env['DOCSTORE_HOST'] or 'localhost'}:3016"
chat:
url: "http://#{process.env['CHAT_HOST'] or 'localhost'}:3010"
internal_url: "http://#{process.env['CHAT_HOST'] or 'localhost'}:3010"
blog:
url: "http://localhost:3008"
port: 3008
university:
url: "http://localhost:3011"
filestore:
url: "http://#{process.env['FILESTORE_HOST'] or 'localhost'}:3009"
clsi:
url: "http://#{process.env['CLSI_HOST'] or 'localhost'}:3013"
# url: "http://#{process.env['CLSI_LB_HOST']}:3014"
backendGroupName: undefined
templates:
url: "http://#{process.env['TEMPLATES_HOST'] or 'localhost'}:3007"
githubSync:
url: "http://#{process.env['GITHUB_SYNC_HOST'] or 'localhost'}:3022"
recurly:
apiKey: process.env['RECURLY_API_KEY'] or ''
apiVersion: process.env['RECURLY_API_VERSION']
subdomain: process.env['RECURLY_SUBDOMAIN'] or ''
publicKey: process.env['RECURLY_PUBLIC_KEY'] or ''
geoIpLookup:
url: "http://#{process.env['GEOIP_HOST'] or process.env['FREEGEOIP_HOST'] or 'localhost'}:8080/json/"
realTime:
url: "http://#{process.env['REALTIME_HOST'] or 'localhost'}:3026"
contacts:
url: "http://#{process.env['CONTACTS_HOST'] or 'localhost'}:3036"
sixpack:
url: ""
references:
url: if process.env['REFERENCES_HOST']? then "http://#{process.env['REFERENCES_HOST']}:3040" else undefined
notifications:
url: "http://#{process.env['NOTIFICATIONS_HOST'] or 'localhost'}:3042"
analytics:
url: "http://#{process.env['ANALYTICS_HOST'] or 'localhost'}:3050"
linkedUrlProxy:
url: process.env['LINKED_URL_PROXY']
thirdpartyreferences:
url: "http://#{process.env['THIRD_PARTY_REFERENCES_HOST'] or 'localhost'}:3046"
v1:
url: v1Api.url
user: v1Api.user
pass: v1Api.pass
v1_history:
url: "http://#{process.env['V1_HISTORY_HOST'] or "localhost"}:3100/api"
user: process.env['V1_HISTORY_USER'] or 'staging'
pass: process.env['V1_HISTORY_PASSWORD'] or 'password'
templates:
user_id: process.env.TEMPLATES_USER_ID or "5395eb7aad1f29a88756c7f2"
showSocialButtons: false
showComments: false
# cdn:
# web:
# host:"http://nowhere.sharelatex.dev"
# darkHost:"http://cdn.sharelatex.dev:3000"
# Where your instance of ShareLaTeX can be found publically. Used in emails
# that are sent out, generated links, etc.
siteUrl : siteUrl = process.env['PUBLIC_URL'] or 'http://localhost:3000'
lockManager:
lockTestInterval: intFromEnv('LOCK_MANAGER_LOCK_TEST_INTERVAL', 50)
maxTestInterval: intFromEnv('LOCK_MANAGER_MAX_TEST_INTERVAL', 1000)
maxLockWaitTime: intFromEnv('LOCK_MANAGER_MAX_LOCK_WAIT_TIME', 10000)
redisLockExpiry: intFromEnv('LOCK_MANAGER_REDIS_LOCK_EXPIRY', 30)
slowExecutionThreshold: intFromEnv('LOCK_MANAGER_SLOW_EXECUTION_THRESHOLD', 5000)
# Used to close the editor off to users
editorIsOpen: process.env['EDITOR_IS_OPEN'] or true
# Optional separate location for websocket connections, if unset defaults to siteUrl.
wsUrl: process.env['WEBSOCKET_URL']
wsUrlV2: process.env['WEBSOCKET_URL_V2']
wsUrlBeta: process.env['WEBSOCKET_URL_BETA']
wsUrlV2Percentage: parseInt(process.env['WEBSOCKET_URL_V2_PERCENTAGE'] || '0', 10)
wsRetryHandshake: parseInt(process.env['WEBSOCKET_RETRY_HANDSHAKE'] || '5', 10)
# cookie domain
# use full domain for cookies to only be accessible from that domain,
# replace subdomain with dot to have them accessible on all subdomains
cookieDomain: process.env['COOKIE_DOMAIN']
cookieName: process.env['COOKIE_NAME'] or "sharelatex.sid"
# this is only used if cookies are used for clsi backend
#clsiCookieKey: "clsiserver"
# Same, but with http auth credentials.
httpAuthSiteUrl: "http://#{httpAuthUser}:#{httpAuthPass}@#{siteUrl}"
robotsNoindex: (process.env['ROBOTS_NOINDEX'] == "true") or false
maxEntitiesPerProject: 2000
maxUploadSize: 50 * 1024 * 1024 # 50 MB
# start failing the health check if active handles exceeds this limit
maxActiveHandles: if process.env['MAX_ACTIVE_HANDLES'] then parseInt(process.env['MAX_ACTIVE_HANDLES'], 10)
# Security
# --------
security:
sessionSecret: sessionSecret
bcryptRounds: (parseInt(process.env['BCRYPT_ROUNDS'], 10) || 12) # number of rounds used to hash user passwords (raised to power 2)
httpAuthUsers: httpAuthUsers
twoFactorAuthentication:
enabled: process.env['TWO_FACTOR_AUTHENTICATION_ENABLED'] == 'true'
requiredForStaff: process.env['TWO_FACTOR_AUTHENTICATION_REQUIRED_FOR_STAFF'] == 'true'
# Default features
# ----------------
#
# You can select the features that are enabled by default for new
# new users.
defaultFeatures: defaultFeatures =
collaborators: -1
dropbox: true
github: true
gitBridge: true
versioning: true
compileTimeout: 180
compileGroup: "standard"
references: true
templates: true
trackChanges: true
features:
personal: defaultFeatures
plans: plans = [{
planCode: "personal"
name: "Personal"
price: 0
features: defaultFeatures
}]
enableSubscriptions:false
enabledLinkedFileTypes: (process.env['ENABLED_LINKED_FILE_TYPES'] or '').split(',')
# i18n
# ------
#
i18n:
subdomainLang:
www: {lngCode:"en", url: siteUrl}
defaultLng: "en"
# Spelling languages
# ------------------
#
# You must have the corresponding aspell package installed to
# be able to use a language.
languages: [
{code: "en", name: "English"},
{code: "en_US", name: "English (American)"},
{code: "en_GB", name: "English (British)"},
{code: "en_CA", name: "English (Canadian)"},
{code: "af", name: "Afrikaans"},
{code: "ar", name: "Arabic"},
{code: "gl", name: "Galician"},
{code: "eu", name: "Basque"},
{code: "br", name: "Breton"},
{code: "bg", name: "Bulgarian"},
{code: "ca", name: "Catalan"},
{code: "hr", name: "Croatian"},
{code: "cs", name: "Czech"},
{code: "da", name: "Danish"},
{code: "nl", name: "Dutch"},
{code: "eo", name: "Esperanto"},
{code: "et", name: "Estonian"},
{code: "fo", name: "Faroese"},
{code: "fr", name: "French"},
{code: "de", name: "German"},
{code: "el", name: "Greek"},
{code: "id", name: "Indonesian"},
{code: "ga", name: "Irish"},
{code: "it", name: "Italian"},
{code: "kk", name: "Kazakh"},
{code: "ku", name: "Kurdish"},
{code: "lv", name: "Latvian"},
{code: "lt", name: "Lithuanian"},
{code: "nr", name: "Ndebele"},
{code: "ns", name: "Northern Sotho"},
{code: "no", name: "Norwegian"},
{code: "fa", name: "Persian"},
{code: "pl", name: "Polish"},
{code: "pt_BR", name: "Portuguese (Brazilian)"},
{code: "pt_PT", name: "Portuguese (European)"},
{code: "pa", name: "Punjabi"},
{code: "ro", name: "Romanian"},
{code: "ru", name: "Russian"},
{code: "sk", name: "Slovak"},
{code: "sl", name: "Slovenian"},
{code: "st", name: "Southern Sotho"},
{code: "es", name: "Spanish"},
{code: "sv", name: "Swedish"},
{code: "tl", name: "Tagalog"},
{code: "ts", name: "Tsonga"},
{code: "tn", name: "Tswana"},
{code: "hsb", name: "Upper Sorbian"},
{code: "cy", name: "Welsh"},
{code: "xh", name: "Xhosa"}
]
# Password Settings
# -----------
# These restrict the passwords users can use when registering
# opts are from http://antelle.github.io/passfield
# passwordStrengthOptions:
# pattern: "aA$3"
# length:
# min: 6
# max: 128
# Email support
# -------------
#
# ShareLaTeX uses nodemailer (http://www.nodemailer.com/) to send transactional emails.
# To see the range of transport and options they support, see http://www.nodemailer.com/docs/transports
#email:
# fromAddress: ""
# replyTo: ""
# lifecycle: false
## Example transport and parameter settings for Amazon SES
# transport: "SES"
# parameters:
# AWSAccessKeyID: ""
# AWSSecretKey: ""
# Third party services
# --------------------
#
# ShareLaTeX's regular newsletter is managed by mailchimp. Add your
# credentials here to integrate with this.
# mailchimp:
# api_key: ""
# list_id: ""
#
# Fill in your unique token from various analytics services to enable
# them.
# analytics:
# ga:
# token: ""
# gaOptimize:
# id: ""
# ShareLaTeX's help desk is provided by tenderapp.com
# tenderUrl: ""
#
# Client-side error logging is provided by getsentry.com
sentry:
environment: process.env['SENTRY_ENVIRONMENT']
release: process.env['SENTRY_RELEASE']
# publicDSN: ""
# The publicDSN is the token for the client-side getSentry service.
# Production Settings
# -------------------
debugPugTemplates: process.env['DEBUG_PUG_TEMPLATES'] == 'true'
# Should javascript assets be served minified or not. Note that you will
# need to run `grunt compile:minify` within the web-sharelatex directory
# to generate these.
useMinifiedJs: process.env['MINIFIED_JS'] == 'true' or false
# Should static assets be sent with a header to tell the browser to cache
# them.
cacheStaticAssets: false
# If you are running ShareLaTeX over https, set this to true to send the
# cookie with a secure flag (recommended).
secureCookie: false
# 'SameSite' cookie setting. Can be set to 'lax', 'none' or 'strict'
# 'lax' is recommended, as 'strict' will prevent people linking to projects
# https://tools.ietf.org/html/draft-ietf-httpbis-rfc6265bis-03#section-4.1.2.7
sameSiteCookie: 'lax'
# If you are running ShareLaTeX behind a proxy (like Apache, Nginx, etc)
# then set this to true to allow it to correctly detect the forwarded IP
# address and http/https protocol information.
behindProxy: false
# Expose the hostname in the `X-Served-By` response header
exposeHostname: process.env['EXPOSE_HOSTNAME'] == 'true'
# Cookie max age (in milliseconds). Set to false for a browser session.
cookieSessionLength: 5 * 24 * 60 * 60 * 1000 # 5 days
# When true, only allow invites to be sent to email addresses that
# already have user accounts
restrictInvitesToExistingAccounts: false
# Should we allow access to any page without logging in? This includes
# public projects, /learn, /templates, about pages, etc.
allowPublicAccess: if process.env["SHARELATEX_ALLOW_PUBLIC_ACCESS"] == 'true' then true else false
enableHomepage: process.env["HOME_PAGE_ENABLED"] == 'true'
# editor should be open by default
editorIsOpen: if process.env["EDITOR_OPEN"] == 'false' then false else true
# site should be open by default
siteIsOpen: if process.env["SITE_OPEN"] == 'false' then false else true
# Use a single compile directory for all users in a project
# (otherwise each user has their own directory)
# disablePerUserCompiles: true
# Domain the client (pdfjs) should download the compiled pdf from
pdfDownloadDomain: process.env["PDF_DOWNLOAD_DOMAIN"] #"http://clsi-lb:3014"
# Maximum size of text documents in the real-time editing system.
max_doc_length: 2 * 1024 * 1024 # 2mb
# Maximum JSON size in HTTP requests
# We should be able to process twice the max doc length, to allow for
# - the doc content
# - text ranges spanning the whole doc
#
# There's also overhead required for the JSON encoding and the UTF-8 encoding,
# theoretically up to 3 times the max doc length. On the other hand, we don't
# want to block the event loop with JSON parsing, so we try to find a
# practical compromise.
max_json_request_size: parseInt(process.env["MAX_JSON_REQUEST_SIZE"]) || 6 * 1024 * 1024 # 6 MB
# Internal configs
# ----------------
path:
# If we ever need to write something to disk (e.g. incoming requests
# that need processing but may be too big for memory, then write
# them to disk here).
dumpFolder: "./data/dumpFolder"
uploadFolder: "./data/uploads"
# Automatic Snapshots
# -------------------
automaticSnapshots:
# How long should we wait after the user last edited to
# take a snapshot?
waitTimeAfterLastEdit: 5 * minutes
# Even if edits are still taking place, this is maximum
# time to wait before taking another snapshot.
maxTimeBetweenSnapshots: 30 * minutes
# Smoke test
# ----------
# Provide log in credentials and a project to be able to run
# some basic smoke tests to check the core functionality.
#
smokeTest:
user: process.env['SMOKE_TEST_USER']
userId: process.env['SMOKE_TEST_USER_ID']
password: process.env['SMOKE_TEST_PASSWORD']
projectId: process.env['SMOKE_TEST_PROJECT_ID']
rateLimitSubject: process.env['SMOKE_TEST_RATE_LIMIT_SUBJECT'] or "127.0.0.1"
appName: process.env['APP_NAME'] or "ShareLaTeX (Community Edition)"
adminEmail: process.env['ADMIN_EMAIL'] or "placeholder@example.com"
adminDomains: JSON.parse(process.env['ADMIN_DOMAINS'] or 'null')
salesEmail: process.env['SALES_EMAIL'] or "placeholder@example.com"
statusPageUrl: process.env['OVERLEAF_STATUS_URL'] or "status.overleaf.com"
brandPrefix: process.env['BRAND_PREFIX'] or "sl-" # Set to 'ol-' for overleaf styles
nav:
title: "ShareLaTeX Community Edition"
left_footer: [{
text: "Powered by <a href='https://www.sharelatex.com'>ShareLaTeX</a> © 2016"
}]
right_footer: [{
text: "<i class='fa fa-github-square'></i> Fork on Github!"
url: "https://github.com/sharelatex/sharelatex"
}]
showSubscriptionLink: false
header_extras: []
# Example:
# header_extras: [{text: "Some Page", url: "http://example.com/some/page", class: "subdued"}]
recaptcha:
disabled:
invite: true
register: true
customisation: {}
# templates: [{
# name : "cv_or_resume",
# url : "/templates/cv"
# }, {
# name : "cover_letter",
# url : "/templates/cover-letters"
# }, {
# name : "journal_article",
# url : "/templates/journals"
# }, {
# name : "presentation",
# url : "/templates/presentations"
# }, {
# name : "thesis",
# url : "/templates/thesis"
# }, {
# name : "bibliographies",
# url : "/templates/bibliographies"
# }, {
# name : "view_all",
# url : "/templates"
# }]
redirects:
"/templates/index": "/templates/"
reloadModuleViewsOnEachRequest: process.env['NODE_ENV'] == 'development'
disableModule:
'user-activate': process.env['DISABLE_MODULE_USER_ACTIVATE'] == 'true'
'launchpad': process.env['DISABLE_MODULE_LAUNCHPAD'] == 'true'
domainLicences: [
]
sixpack:
domain:""
# ShareLaTeX Server Pro options (https://www.sharelatex.com/university/onsite.html)
# ----------
# LDAP
# ----------
# Settings below use a working LDAP test server kindly provided by forumsys.com
# When testing with forumsys.com use username = einstein and password = password
# ldap :
# host: 'ldap://ldap.forumsys.com'
# dn: 'uid=:userKey,dc=example,dc=com'
# baseSearch: 'dc=example,dc=com'
# filter: "(uid=:userKey)"
# failMessage: 'LDAP User Fail'
# fieldName: 'LDAP User'
# placeholder: 'email@example.com'
# emailAtt: 'mail'
# anonymous: false
# adminDN: 'cn=read-only-admin,dc=example,dc=com'
# adminPW: 'password'
# starttls: true
# tlsOptions:
# rejectUnauthorized: false
# ca: ['/etc/ldap/ca_certs.pem']
#templateLinks: [{
# name : "CV projects",
# url : "/templates/cv"
#},{
# name : "all projects",
# url: "/templates/all"
#}]
rateLimit:
autoCompile:
everyone: process.env['RATE_LIMIT_AUTO_COMPILE_EVERYONE'] or 100
standard: process.env['RATE_LIMIT_AUTO_COMPILE_STANDARD'] or 25
# currentImage: "texlive-full:2017.1"
# imageRoot: "<DOCKER REPOSITORY ROOT>" # without any trailing slash
compileBodySizeLimitMb: process.env['COMPILE_BODY_SIZE_LIMIT_MB'] or 5
validRootDocExtensions: ['tex', 'Rtex', 'ltx']
emailConfirmationDisabled: (process.env['EMAIL_CONFIRMATION_DISABLED'] == "true") or false
# allowedImageNames: [
# {imageName: 'texlive-full:2017.1', imageDesc: 'TeXLive 2017'}
# {imageName: 'wl_texlive:2018.1', imageDesc: 'Legacy OL TeXLive 2015'}
# {imageName: 'texlive-full:2016.1', imageDesc: 'Legacy SL TeXLive 2016'}
# {imageName: 'texlive-full:2015.1', imageDesc: 'Legacy SL TeXLive 2015'}
# {imageName: 'texlive-full:2014.2', imageDesc: 'Legacy SL TeXLive 2014.2'}
# ]
# module options
# ----------
modules:
sanitize:
options:
allowedTags: [ 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'blockquote', 'p', 'a', 'ul', 'ol', 'nl', 'li', 'b', 'i', 'strong', 'em', 'strike', 'code', 'hr', 'br', 'div', 'table', 'thead', 'col', 'caption', 'tbody', 'tr', 'th', 'td', 'tfoot', 'pre', 'iframe', 'img', 'figure', 'figcaption', 'span', 'source', 'video', 'del' ]
allowedAttributes:
'a': [ 'href', 'name', 'target', 'class', 'event-tracking', 'event-tracking-ga', 'event-tracking-label', 'event-tracking-trigger' ]
'div': [ 'class', 'id', 'style' ]
'h1': [ 'class', 'id' ]
'h2': [ 'class', 'id' ]
'h3': [ 'class', 'id' ]
'h4': [ 'class', 'id' ]
'h5': [ 'class', 'id' ]
'h6': [ 'class', 'id' ]
'col': [ 'width' ]
'figure': [ 'class', 'id', 'style']
'figcaption': [ 'class', 'id', 'style']
'i': [ 'aria-hidden', 'aria-label', 'class', 'id' ]
'iframe': [ 'allowfullscreen', 'frameborder', 'height', 'src', 'style', 'width' ]
'img': [ 'alt', 'class', 'src', 'style' ]
'source': [ 'src', 'type' ]
'span': [ 'class', 'id', 'style' ]
'table': [ 'border', 'class', 'id', 'style' ]
'td': [ 'colspan', 'rowspan', 'headers', 'style' ]
'th': [ 'abbr', 'headers', 'colspan', 'rowspan', 'scope', 'sorted', 'style' ]
'tr': [ 'class' ]
'video': [ 'alt', 'class', 'controls', 'height', 'width' ]