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Diffstat (limited to 'vendor/plugins/recaptcha/lib/recaptcha.rb')
| -rw-r--r-- | vendor/plugins/recaptcha/lib/recaptcha.rb | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/vendor/plugins/recaptcha/lib/recaptcha.rb b/vendor/plugins/recaptcha/lib/recaptcha.rb new file mode 100644 index 000000000..786555316 --- /dev/null +++ b/vendor/plugins/recaptcha/lib/recaptcha.rb @@ -0,0 +1,69 @@ +# ReCAPTCHA +module Ambethia + module ReCaptcha + RECAPTCHA_API_SERVER = 'http://api.recaptcha.net'; + RECAPTCHA_API_SECURE_SERVER = 'https://api-secure.recaptcha.net'; + RECAPTCHA_VERIFY_SERVER = 'api-verify.recaptcha.net'; + + SKIP_VERIFY_ENV = ['test'] + + module Helper + # Your public API can be specified in the +options+ hash or preferably the environment + # variable +RECAPTCHA_PUBLIC_KEY+. + def recaptcha_tags(options = {}) + # Default options + key = options[:public_key] ||= ENV['RECAPTCHA_PUBLIC_KEY'] + error = options[:error] ||= session[:recaptcha_error] + uri = options[:ssl] ? RECAPTCHA_API_SECURE_SERVER : RECAPTCHA_API_SERVER + xhtml = Builder::XmlMarkup.new :target => out=(''), :indent => 2 # Because I can. + if options[:display] + xhtml.script(:type => "text/javascript"){ xhtml.text! "var RecaptchaOptions = #{options[:display].to_json};\n"} + end + xhtml.script(:type => "text/javascript", :src => "#{uri}/challenge?k=#{key}&error=#{error}") {} + unless options[:noscript] == false + xhtml.noscript do + xhtml.iframe(:src => "#{uri}/noscript?k=#{key}", + :height => options[:iframe_height] ||= 300, + :width => options[:iframe_width] ||= 500, + :frameborder => 0) {}; xhtml.br + xhtml.textarea(:name => "recaptcha_challenge_field", :rows => 3, :cols => 40) {} + xhtml.input :name => "recaptcha_response_field", + :type => "hidden", :value => "manual_challenge" + end + end + raise ReCaptchaError, "No public key specified." unless key + return out + end # recaptcha_tags + end # Helpers + + module Controller + # Your private API key must be specified in the environment variable +RECAPTCHA_PRIVATE_KEY+ + def verify_recaptcha(model = nil) + return true if SKIP_VERIFY_ENV.include? ENV['RAILS_ENV'] + raise ReCaptchaError, "No private key specified." unless ENV['RECAPTCHA_PRIVATE_KEY'] + begin + recaptcha = Net::HTTP.post_form URI.parse("http://#{RECAPTCHA_VERIFY_SERVER}/verify"), { + :privatekey => ENV['RECAPTCHA_PRIVATE_KEY'], + :remoteip => request.remote_ip, + :challenge => params[:recaptcha_challenge_field], + :response => params[:recaptcha_response_field] + } + answer, error = recaptcha.body.split.map(&:chomp) + unless answer == 'true' + session[:recaptcha_error] = error + model.errors.add_to_base "Captcha response is incorrect, please try again." if model + return false + else + session[:recaptcha_error] = nil + return true + end + rescue Exception => e + raise ReCaptchaError, e + end + end # verify_recaptcha + end # ControllerHelpers + + class ReCaptchaError < StandardError; end + + end # ReCaptcha +end # Ambethia
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