Fix captchas, again. #1531
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Mayhem
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commit
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@ -1,3 +1,7 @@
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- Fix captcha submission:<br>
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Captchas were reloaded the instant a post was submitted to 4chan. Unfortunately, a recent change to reCAPTCHA made it so reloading captchas invalidates the ones that loaded but not yet used. This is now fixed by only unloading the captcha, and only load new ones after the post is submitted.<br>
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This also kills captcha caching, so the feature was removed.
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### 3.19.4 - *2014-03-27*
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- Fix captcha not refreshing.
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@ -1,26 +1,21 @@
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QR.captcha =
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init: ->
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return if d.cookie.indexOf('pass_enabled=1') >= 0
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container = $.id 'captchaContainer'
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return unless @isEnabled = !!container
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return unless @isEnabled = !!$.id 'captchaContainer'
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imgContainer = $.el 'div',
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className: 'captcha-img'
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title: 'Reload reCAPTCHA'
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innerHTML: '<img>'
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hidden: true
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input = $.el 'input',
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className: 'captcha-input field'
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title: 'Verification'
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placeholder: 'Focus to load reCAPTCHA'
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autocomplete: 'off'
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spellcheck: false
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@nodes =
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img: imgContainer.firstChild
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input: input
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$.on input, 'focus', @setup
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<% if (type === 'userscript') { %>
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# XXX Firefox lacks focusin/focusout support.
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$.on input, 'blur', QR.focusout
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@ -30,9 +25,16 @@ QR.captcha =
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$.addClass QR.nodes.el, 'has-captcha'
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$.after QR.nodes.com.parentNode, [imgContainer, input]
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@setupObserver = new MutationObserver @afterSetup
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@setupObserver.observe container, childList: true
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@beforeSetup()
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@afterSetup() # reCAPTCHA might have loaded before the QR.
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beforeSetup: ->
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{img, input} = @nodes
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img.parentNode.hidden = true
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input.value = ''
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input.placeholder = 'Focus to load reCAPTCHA'
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$.on input, 'focus', @setup
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@setupObserver = new MutationObserver @afterSetup
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@setupObserver.observe $.id('captchaContainer'), childList: true
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setup: ->
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$.globalEval 'loadRecaptcha()'
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afterSetup: ->
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@ -40,82 +42,37 @@ QR.captcha =
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QR.captcha.setupObserver.disconnect()
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delete QR.captcha.setupObserver
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setLifetime = (e) -> QR.captcha.lifetime = e.detail
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$.on window, 'captcha:timeout', setLifetime
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$.globalEval 'window.dispatchEvent(new CustomEvent("captcha:timeout", {detail: RecaptchaState.timeout}))'
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$.off window, 'captcha:timeout', setLifetime
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{img, input} = QR.captcha.nodes
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img.parentNode.hidden = false
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$.off input, 'focus', QR.captcha.setup
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input.placeholder = 'Verification'
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$.off input, 'focus', QR.captcha.setup
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$.on input, 'keydown', QR.captcha.keydown.bind QR.captcha
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$.on img.parentNode, 'click', QR.captcha.reload.bind QR.captcha
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$.get 'captchas', [], ({captchas}) ->
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QR.captcha.sync captchas
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$.sync 'captchas', QR.captcha.sync
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QR.captcha.nodes.challenge = challenge
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new MutationObserver(QR.captcha.load.bind QR.captcha).observe challenge,
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childList: true
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subtree: true
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attributes: true
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QR.captcha.load()
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sync: (captchas) ->
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QR.captcha.captchas = captchas
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QR.captcha.count()
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destroy: ->
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$.globalEval 'Recaptcha.destroy()'
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@beforeSetup()
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getOne: ->
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@clear()
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if captcha = @captchas.shift()
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{challenge, response} = captcha
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@count()
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$.set 'captchas', @captchas
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else
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challenge = @nodes.img.alt
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if response = @nodes.input.value then @reload()
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if response
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response = response.trim()
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challenge = @nodes.img.alt
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response = @nodes.input.value.trim()
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if response and !/\s/.test response
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# one-word-captcha:
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# If there's only one word, duplicate it.
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response = "#{response} #{response}" unless /\s/.test response
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response = "#{response} #{response}"
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{challenge, response}
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save: ->
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return unless response = @nodes.input.value.trim()
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@captchas.push
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challenge: @nodes.img.alt
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response: response
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timeout: @timeout
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@count()
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@reload()
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$.set 'captchas', @captchas
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clear: ->
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return unless @captchas # not loaded yet.
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now = Date.now()
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for captcha, i in @captchas
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break if captcha.timeout > now
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return unless i
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@captchas = @captchas[i..]
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@count()
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$.set 'captchas', @captchas
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load: ->
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return unless @nodes.challenge.firstChild
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# -1 minute to give upload some time.
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@timeout = Date.now() + @lifetime * $.SECOND - $.MINUTE
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challenge = @nodes.challenge.firstChild.value
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@nodes.img.alt = challenge
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@nodes.img.src = "//www.google.com/recaptcha/api/image?c=#{challenge}"
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@nodes.input.value = null
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@clear()
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count: ->
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count = if @captchas then @captchas.length else 0
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@nodes.input.placeholder = switch count
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when 0
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'Verification (Shift + Enter to cache)'
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when 1
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'Verification (1 cached captcha)'
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else
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"Verification (#{count} cached captchas)"
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@nodes.input.alt = count # For XTRM RICE.
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reload: (focus) ->
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# the 't' argument prevents the input from being focused
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$.globalEval 'Recaptcha.reload("t")'
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@ -124,8 +81,6 @@ QR.captcha =
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keydown: (e) ->
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if e.keyCode is 8 and not @nodes.input.value
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@reload()
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else if e.keyCode is 13 and e.shiftKey
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@save()
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else
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return
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e.preventDefault()
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@ -478,6 +478,9 @@ QR =
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# Connection error, or
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# www.4chan.org/banned
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delete QR.req
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if QR.captcha.isEnabled
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QR.captcha.destroy()
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QR.captcha.setup()
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post.unlock()
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QR.cooldown.auto = false
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QR.status()
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@ -511,6 +514,7 @@ QR =
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{req} = QR
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delete QR.req
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QR.captcha.destroy() if QR.captcha.isEnabled
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post = QR.posts[0]
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post.unlock()
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@ -540,23 +544,12 @@ QR =
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# Remove the obnoxious 4chan Pass ad.
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if /mistyped/i.test err.textContent
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err = 'You seem to have mistyped the CAPTCHA.'
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# Enable auto-post if we have some cached captchas.
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QR.cooldown.auto = if QR.captcha.isEnabled
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!!QR.captcha.captchas.length
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else if err is 'Connection error with sys.4chan.org.'
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true
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else
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# Something must've gone terribly wrong if you get captcha errors without captchas.
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# Don't auto-post indefinitely in that case.
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false
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QR.cooldown.auto = false
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# Too many frequent mistyped captchas will auto-ban you!
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# On connection error, the post most likely didn't go through.
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QR.cooldown.set delay: 2
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else if err.textContent and m = err.textContent.match /wait\s+(\d+)\s+second/i
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QR.cooldown.auto = if QR.captcha.isEnabled
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!!QR.captcha.captchas.length
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else
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true
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QR.cooldown.auto = !QR.captcha.isEnabled
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QR.cooldown.set delay: m[1]
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else # stop auto-posting
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QR.cooldown.auto = false
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@ -592,18 +585,6 @@ QR =
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# Enable auto-posting if we have stuff left to post, disable it otherwise.
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postsCount = QR.posts.length - 1
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QR.cooldown.auto = postsCount and isReply
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if QR.cooldown.auto and QR.captcha.isEnabled and (captchasCount = QR.captcha.captchas.length) < 3 and captchasCount < postsCount
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notif = new Notification 'Quick reply warning',
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body: "You are running low on cached captchas. Cache count: #{captchasCount}."
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icon: Favicon.logo
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notif.onclick = ->
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QR.open()
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QR.captcha.nodes.input.focus()
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window.focus()
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notif.onshow = ->
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setTimeout ->
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notif.close()
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, 7 * $.SECOND
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unless Conf['Persistent QR'] or QR.cooldown.auto
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QR.close()
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@ -89,6 +89,8 @@ QR.post = class
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for name in ['thread', 'name', 'email', 'sub', 'com', 'fileButton', 'filename', 'spoiler', 'flag']
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continue unless node = QR.nodes[name]
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node.disabled = lock
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if QR.captcha.isEnabled
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QR.captcha.nodes.input.disabled = lock
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@nodes.rm.style.visibility = if lock then 'hidden' else ''
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(if lock then $.off else $.on) QR.nodes.filename.previousElementSibling, 'click', QR.openFileInput
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@nodes.spoiler.disabled = lock
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