115 lines
3.1 KiB
CoffeeScript
115 lines
3.1 KiB
CoffeeScript
Captcha.fixes =
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imageKeys: '789456123uiojklm'.split('').concat(['Comma', 'Period'])
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css: '''
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.rc-imageselect-target > div:focus {
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outline: 2px solid #4a90e2;
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}
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.rc-button-default:focus {
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box-shadow: inset 0 0 0 2px #0063d6;
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}
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'''
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cssNoscript: '''
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.fbc-payload-imageselect {
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position: relative;
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}
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.fbc-payload-imageselect > label {
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position: absolute;
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display: block;
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height: 93.3px;
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width: 93.3px;
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}
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label[data-row="0"] {top: 0px;}
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label[data-row="1"] {top: 93.3px;}
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label[data-row="2"] {top: 186.6px;}
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label[data-col="0"] {left: 0px;}
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label[data-col="1"] {left: 93.3px;}
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label[data-col="2"] {left: 186.6px;}
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'''
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init: ->
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switch location.pathname.split('/')[3]
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when 'anchor' then @initMain()
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when 'frame' then @initPopup()
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when 'fallback' then @initNoscript()
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initMain: ->
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$.onExists d.body, '#recaptcha-anchor', true, (checkbox) ->
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focus = ->
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if d.hasFocus() and d.activeElement isnt checkbox
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checkbox.focus()
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focus()
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$.on window, 'focus', ->
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$.queueTask focus
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initPopup: ->
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$.addStyle @css
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@fixImages()
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new MutationObserver(=> @fixImages()).observe d.body, {childList: true, subtree: true}
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$.on d, 'keydown', @keybinds.bind(@)
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initNoscript: ->
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@noscript = true
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@images = $$ '.fbc-payload-imageselect > input'
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return unless @images.length
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$.addStyle @cssNoscript
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@addLabels()
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$.on d, 'keydown', @keybinds.bind(@)
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$.on $('.fbc-imageselect-challenge > form'), 'submit', @checkForm.bind(@)
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fixImages: ->
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@images = $$ '.rc-imageselect-target > div'
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for img in @images
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img.tabIndex = 0
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@addTooltips @images if @images.length
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addLabels: ->
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imageSelect = $ '.fbc-payload-imageselect'
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labels = for checkbox, i in @images
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checkbox.id = "checkbox-#{i}"
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label = $.el 'label',
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htmlFor: checkbox.id
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label.dataset.row = i // 3
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label.dataset.col = i % 3
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label
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$.add imageSelect, labels
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@addTooltips labels
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addTooltips: (nodes) ->
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for node, i in nodes
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node.title = "#{@imageKeys[i]} or #{@imageKeys[i+9][0].toUpperCase()}#{@imageKeys[i+9][1..]}"
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return
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checkForm: (e) ->
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n = 0
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n++ for checkbox in @images when checkbox.checked
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e.preventDefault() if n is 0
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keybinds: (e) ->
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return unless @images and doc.contains(@images[0])
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reload = $ '#recaptcha-reload-button, .fbc-button-reload'
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verify = $ '#recaptcha-verify-button, .fbc-button-verify > input'
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x = @images.indexOf d.activeElement
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if x < 0
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x = if d.activeElement is verify then 11 else 9
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key = Keybinds.keyCode e
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if !@noscript and key is 'Space' and x < 9
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@images[x].click()
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else if (i = @imageKeys.indexOf key) >= 0
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@images[i % 9].click()
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verify.focus()
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else if dx = {'Up': 9, 'Down': 3, 'Left': 11, 'Right': 1}[key]
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x = (x + dx) % 12
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if x is 10
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x = if dx is 11 then 9 else 11
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(@images[x] or {9: reload, 11: verify}[x]).focus()
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else
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return
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e.preventDefault()
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e.stopPropagation()
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