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require 'uri'
class IrkerService < Service
prop_accessor :server_host, :server_port, :default_irc_uri
prop_accessor :recipients, :channels
boolean_accessor :colorize_messages
validates :recipients, presence: true, if: :activated?
before_validation :get_channels
def title
'Irker (IRC gateway)'
end
def description
'Send IRC messages, on update, to a list of recipients through an Irker '\
'gateway.'
end
def self.to_param
'irker'
end
def self.supported_events
%w(push)
end
def execute(data)
return unless supported_events.include?(data[:object_kind])
IrkerWorker.perform_async(project_id, channels,
colorize_messages, data, settings)
end
def settings
{
server_host: server_host.present? ? server_host : 'localhost',
server_port: server_port.present? ? server_port : 6659
}
end
def fields
[
{ type: 'text', name: 'server_host', placeholder: 'localhost',
help: 'Irker daemon hostname (defaults to localhost)' },
{ type: 'text', name: 'server_port', placeholder: 6659,
help: 'Irker daemon port (defaults to 6659)' },
{ type: 'text', name: 'default_irc_uri', title: 'Default IRC URI',
help: 'A default IRC URI to prepend before each recipient (optional)',
placeholder: 'irc://irc.network.net:6697/' },
{ type: 'textarea', name: 'recipients',
placeholder: 'Recipients/channels separated by whitespaces', required: true,
help: 'Recipients have to be specified with a full URI: '\
'irc[s]://irc.network.net[:port]/#channel. Special cases: if '\
'you want the channel to be a nickname instead, append ",isnick" to ' \
'the channel name; if the channel is protected by a secret password, ' \
' append "?key=secretpassword" to the URI (Note that due to a bug, if you ' \
' want to use a password, you have to omit the "#" on the channel). If you ' \
' specify a default IRC URI to prepend before each recipient, you can just ' \
' give a channel name.' },
{ type: 'checkbox', name: 'colorize_messages' }
]
end
def help
' NOTE: Irker does NOT have built-in authentication, which makes it' \
' vulnerable to spamming IRC channels if it is hosted outside of a ' \
' firewall. Please make sure you run the daemon within a secured network ' \
' to prevent abuse. For more details, read: http://www.catb.org/~esr/irker/security.html.'
end
private
def get_channels
return true unless activated?
return true if recipients.nil? || recipients.empty?
map_recipients
errors.add(:recipients, 'are all invalid') if channels.empty?
true
end
def map_recipients
self.channels = recipients.split(/\s+/).map do |recipient|
format_channel(recipient)
end
channels.reject!(&:nil?)
end
def format_channel(recipient)
uri = nil
# Try to parse the chan as a full URI
begin
uri = consider_uri(URI.parse(recipient))
rescue URI::InvalidURIError
end
unless uri.present? && default_irc_uri.nil?
begin
new_recipient = URI.join(default_irc_uri, '/', recipient).to_s
uri = consider_uri(URI.parse(new_recipient))
rescue
Rails.logger.error("Unable to create a valid URL from #{default_irc_uri} and #{recipient}")
end
end
uri
end
def consider_uri(uri)
return nil if uri.scheme.nil?
# Authorize both irc://domain.com/#chan and irc://domain.com/chan
if uri.is_a?(URI) && uri.scheme[/^ircs?\z/] && !uri.path.nil?
uri.to_s
end
end
end
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