Sha256: a956cf67413af14a54437cd58d9dba47dd77287a7061e1b796d688ce10f0e9fd
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Size: 730 Bytes
Versions: 17
Compression:
Stored size: 730 Bytes
Contents
module Ramaze
module Helper
module SimpleCaptcha
def simple_captcha
question, answer = generate_captcha
session[:CAPTCHA] = {
:question => question, :answer => answer.to_s
}
question
end
def check_captcha(answer)
if captcha = session[:CAPTCHA]
should = captcha[:answer].to_s
should == answer.to_s.strip
end
end
def generate_captcha
n = [5, 10, 15, 20]
ns = Array.new(2){ n.sort_by{rand}.first }.sort
op = rand > 0.42 ? [ns[0], :+, ns[1]] : [ns[1], :-, ns[0]]
question = op.join(' ')
answer = op[0].send(op[1], op[2])
[question, answer]
end
end
end
end
Version data entries
17 entries across 17 versions & 4 rubygems