discourse/lib/validators/pop3_polling_enabled_settin...

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Ruby
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require "net/pop"
class POP3PollingEnabledSettingValidator
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def initialize(opts = {})
@opts = opts
end
def valid_value?(val)
# only validate when enabling polling
return true if val == "f"
# ensure we can authenticate
SiteSetting.pop3_polling_host.present? &&
SiteSetting.pop3_polling_username.present? &&
SiteSetting.pop3_polling_password.present? &&
authentication_works?
end
def error_message
if SiteSetting.pop3_polling_host.blank?
I18n.t("site_settings.errors.pop3_polling_host_is_empty")
elsif SiteSetting.pop3_polling_username.blank?
I18n.t("site_settings.errors.pop3_polling_username_is_empty")
elsif SiteSetting.pop3_polling_password.blank?
I18n.t("site_settings.errors.pop3_polling_password_is_empty")
elsif !authentication_works?
I18n.t("site_settings.errors.pop3_polling_authentication_failed")
end
end
private
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def authentication_works?
@authentication_works ||= begin
pop3 = Net::POP3.new(SiteSetting.pop3_polling_host, SiteSetting.pop3_polling_port)
pop3.enable_ssl(OpenSSL::SSL::VERIFY_NONE) if SiteSetting.pop3_polling_ssl
pop3.auth_only(SiteSetting.pop3_polling_username, SiteSetting.pop3_polling_password)
rescue Net::POPAuthenticationError
false
else
true
end
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end
end