Class: Sinatra::Captcha::Image
- Inherits:
-
Object
- Object
- Sinatra::Captcha::Image
- Defined in:
- lib/sinatra/captcha.rb
Overview
TODO simpliify
Instance Method Summary collapse
- #ajax_html(id = 'captcha_ajax') ⇒ Object
- #html(id = 'captcha', key = nil) ⇒ Object
- #image(key) ⇒ Object
-
#initialize(app) ⇒ Image
constructor
A new instance of Image.
- #validate(response, key) ⇒ Object
Constructor Details
#initialize(app) ⇒ Image
Returns a new instance of Image.
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# File 'lib/sinatra/captcha.rb', line 51 def initialize app @generator = FastCaptcha.new(nil, app.captcha_level, app.captcha_width, app.captcha_height) @ttl = app.captcha_ttl @width, @height = app.captcha_width, app.captcha_height end |
Instance Method Details
#ajax_html(id = 'captcha_ajax') ⇒ Object
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# File 'lib/sinatra/captcha.rb', line 70 def ajax_html id='captcha_ajax' divid = id + '_div' snippet = <<-HTML <script type="text/javascript"> $(document).ready(function() { $('##{id}_v').click(function() { load_captcha_#{id}(); $(this).closest('form').find('input[type="submit"]').removeAttr('disabled'); $('##{id}_r').click(function() { load_captcha_#{id}(); $(this).closest('form').find('input[type="submit"]').removeAttr('disabled'); return false; }); $(this).remove(); return false; }); }); function load_captcha_#{id}() { $('##{id}_r').hide(); $('##{id}').slideDown(250); $('##{id}').load('/captcha/snippet/#{divid}', function() { $('##{id}').find('input[name="captcha[response]"]').focus(); }); $('##{id}').delay(#{@ttl*500}).slideUp(250, function() { $(this).closest('form').find('input[type="submit"]').attr('disabled', 'disabled'); $('##{id}_r').show(); }); return false; } </script> <div class="captcha" style="display:none" id="#{id}"></div> <div id="#{id}_c"> <button id="#{id}_v" class="submit">Show Captcha</button> <button id="#{id}_r" class="submit" style="display:none">Refresh Captcha</button> </div> HTML end |
#html(id = 'captcha', key = nil) ⇒ Object
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# File 'lib/sinatra/captcha.rb', line 57 def html id='captcha', key=nil challenge = @generator.generate @ttl, false snippet = <<-HTML <div id="#{id}"> <div style="width:#{@width}px;height:#{@height}px;padding:0"> <img style="margin: 0 auto" src="/captcha/#{challenge.key}" alt="loading ..."> </div> <input type="hidden" name="captcha[challenge]" value="#{challenge.key}"> <input autocomplete="off" id="cr#{id}" name="captcha[response]" value=""> </div> HTML end |
#image(key) ⇒ Object
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# File 'lib/sinatra/captcha.rb', line 108 def image key @generator.refresh key end |
#validate(response, key) ⇒ Object
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# File 'lib/sinatra/captcha.rb', line 112 def validate response, key @generator.validate key, response end |