Class: SpamProtect::Guardian

Inherits:
Object
  • Object
show all
Defined in:
lib/spam_protect/guardian.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(honeypot_value, encrypted_timestamp, cookie, min_seconds) ⇒ Guardian 



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# File 'lib/spam_protect/guardian.rb', line 7

def initialize(honeypot_value, encrypted_timestamp, cookie, min_seconds)
  @honeypot_value = honeypot_value
  @encrypted_timestamp = encrypted_timestamp
  @cookie = cookie
  @min_seconds = min_seconds
  @errors = []
end

Instance Attribute Details

#errors ⇒ Object (readonly)

Returns the value of attribute errors.



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# File 'lib/spam_protect/guardian.rb', line 5

def errors
  @errors
end

Instance Method Details

#valid? ⇒ Boolean 



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# File 'lib/spam_protect/guardian.rb', line 15

def valid?
  payload = Encryption::Payload.new(
    Encryption.decrypt(@encrypted_timestamp)
  )

  cookie_payload = if SpamProtect.config.require_js
    Encryption::Payload.new(
      Encryption.decrypt(@cookie)
    )
  end

  payloads = [
    payload,
    cookie_payload
  ].compact

  honeypot_policy = Policies::HoneypotPolicy.new(@honeypot_value)
  if honeypot_policy.invalid?
    @errors.append "Honeypot field is filled in"
    return false
  end

  cookie_policy = Policies::CookiePolicy.new(@cookie)
  if cookie_policy.invalid?
    @errors.append "Cookie is invalid"
    return false
  end

  payloads.each do |p|
    encryption_policy = Policies::EncryptionPolicy.new(p)
    if encryption_policy.invalid?
      @errors.append "Payload encryption is invalid or expired"
      return false
    end

    timestamp_policy = Policies::TimestampPolicy.new(p["timestamp"], @min_seconds)
    if timestamp_policy.invalid?
      @errors.append "Form submitted too quickly"
      return false
    end
  end

  true
rescue
  @errors.append "Encryption failure"
  false
end