4chan-x/src/Posting/QR.captcha.coffee
2014-05-23 19:43:19 -07:00

151 lines
4.4 KiB
CoffeeScript

QR.captcha =
init: ->
return if d.cookie.indexOf('pass_enabled=1') >= 0
return unless @isEnabled = !!$.id 'captchaContainer'
$.globalEval 'loadRecaptcha()' if Conf['Auto-load captcha']
imgContainer = $.el 'div',
className: 'captcha-img'
title: 'Reload reCAPTCHA'
innerHTML: '<img>'
input = $.el 'input',
className: 'captcha-input field'
title: 'Verification'
autocomplete: 'off'
spellcheck: false
tabIndex: 45
@nodes =
img: imgContainer.firstChild
input: input
$.on input, 'blur', QR.focusout
$.on input, 'focus', QR.focusin
$.on input, 'keydown', QR.captcha.keydown.bind QR.captcha
$.on @nodes.img.parentNode, 'click', QR.captcha.reload.bind QR.captcha
$.addClass QR.nodes.el, 'has-captcha'
$.after QR.nodes.com.parentNode, [imgContainer, input]
@captchas = []
$.get 'captchas', [], ({captchas}) ->
QR.captcha.sync captchas
QR.captcha.clear()
$.sync 'captchas', @sync
new MutationObserver(@afterSetup).observe $.id('captchaContainer'), childList: true
@beforeSetup()
@afterSetup() # reCAPTCHA might have loaded before the QR.
beforeSetup: ->
{img, input} = @nodes
img.parentNode.hidden = true
input.value = ''
input.placeholder = 'Focus to load reCAPTCHA'
@count()
$.on input, 'focus', @setup
setup: ->
$.globalEval 'loadRecaptcha()'
afterSetup: ->
return unless challenge = $.id 'recaptcha_challenge_field_holder'
return if challenge is QR.captcha.nodes.challenge
setLifetime = (e) -> QR.captcha.lifetime = e.detail
$.on window, 'captcha:timeout', setLifetime
$.globalEval 'window.dispatchEvent(new CustomEvent("captcha:timeout", {detail: RecaptchaState.timeout}))'
$.off window, 'captcha:timeout', setLifetime
{img, input} = QR.captcha.nodes
img.parentNode.hidden = false
input.placeholder = 'Verification'
QR.captcha.count()
$.off input, 'focus', QR.captcha.setup
QR.captcha.nodes.challenge = challenge
new MutationObserver(QR.captcha.load.bind QR.captcha).observe challenge,
childList: true
subtree: true
attributes: true
QR.captcha.load()
destroy: ->
$.globalEval 'Recaptcha.destroy()'
@beforeSetup()
sync: (captchas) ->
QR.captcha.captchas = captchas
QR.captcha.count()
getOne: ->
@clear()
if captcha = @captchas.shift()
{challenge, response} = captcha
@count()
$.set 'captchas', @captchas
else
challenge = @nodes.img.alt
if response = @nodes.input.value
if Conf['Auto-load captcha'] then @reload() else @destroy()
if response
response = response.trim()
{challenge, response}
save: ->
return unless response = @nodes.input.value.trim()
@nodes.input.value = ''
@captchas.push
challenge: @nodes.img.alt
response: response
timeout: @timeout
@count()
@reload()
$.set 'captchas', @captchas
clear: ->
return unless @captchas.length
now = Date.now()
for captcha, i in @captchas
break if captcha.timeout > now
return unless i
@captchas = @captchas[i..]
@count()
$.set 'captchas', @captchas
load: ->
return unless @nodes.challenge.firstChild
return unless challenge_image = $.id 'recaptcha_challenge_image'
# -1 minute to give upload some time.
@timeout = Date.now() + @lifetime * $.SECOND - $.MINUTE
challenge = @nodes.challenge.firstChild.value
@nodes.img.alt = challenge
@nodes.img.src = challenge_image.src
@nodes.input.value = null
@clear()
count: ->
count = if @captchas then @captchas.length else 0
placeholder = @nodes.input.placeholder.replace /\ \(.*\)$/, ''
placeholder += switch count
when 0
if placeholder is 'Verification' then ' (Shift + Enter to cache)' else ''
when 1
' (1 cached captcha)'
else
" (#{count} cached captchas)"
@nodes.input.placeholder = placeholder
@nodes.input.alt = count # For XTRM RICE.
reload: (focus) ->
# Hack to prevent the input from being focused
$.globalEval 'Recaptcha.reload(); Recaptcha.should_focus = false;'
# Focus if we meant to.
@nodes.input.focus() if focus
keydown: (e) ->
if e.keyCode is 8 and not @nodes.input.value
@reload()
else if e.keyCode is 13 and e.shiftKey
@save()
else
return
e.preventDefault()