1 files changed, 152 insertions, 0 deletions
diff --git a/app/models/project_services/irker_service.rb b/app/models/project_services/irker_service.rb
new file mode 100644
index 00000000000..a0203a5bb10
--- /dev/null
+++ b/app/models/project_services/irker_service.rb
@@ -0,0 +1,152 @@
+# == Schema Information
+#
+# Table name: services
+#
+#  id         :integer          not null, primary key
+#  type       :string(255)
+#  title      :string(255)
+#  project_id :integer
+#  created_at :datetime
+#  updated_at :datetime
+#  active     :boolean          default(FALSE), not null
+#  properties :text
+#  template   :boolean          default(FALSE)
+
+require 'uri'
+
+class IrkerService < Service
+  prop_accessor :colorize_messages, :recipients, :channels
+  validates :recipients, presence: true, if: :activated?
+  validate :check_recipients_count, if: :activated?
+
+  before_validation :get_channels
+  after_initialize :initialize_settings
+
+  # Writer for RSpec tests
+  attr_writer :settings
+
+  def initialize_settings
+    # See the documentation (doc/project_services/irker.md) for possible values
+    # here
+    @settings ||= {
+      server_ip: 'localhost',
+      server_port: 6659,
+      max_channels: 3,
+      default_irc_uri: nil
+    }
+  end
+
+  def title
+    'Irker (IRC gateway)'
+  end
+
+  def description
+    'Send IRC messages, on update, to a list of recipients through an Irker '\
+    'gateway.'
+  end
+
+  def help
+    msg = '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.'
+
+    unless @settings[:default_irc].nil?
+      msg += ' Note that a default IRC URI is provided by this service\'s '\
+      "administrator: #{default_irc}. You can thus just give a channel name."
+    end
+    msg
+  end
+
+  def to_param
+    'irker'
+  end
+
+  def execute(push_data)
+    IrkerWorker.perform_async(project_id, channels,
+                              colorize_messages, push_data, @settings)
+  end
+
+  def fields
+    [
+      { type: 'textarea', name: 'recipients',
+        placeholder: 'Recipients/channels separated by whitespaces' },
+      { type: 'checkbox', name: 'colorize_messages' },
+    ]
+  end
+
+  private
+
+  def check_recipients_count
+    return true if recipients.nil? || recipients.empty?
+
+    if recipients.split(/\s+/).count > max_chans
+      errors.add(:recipients, "are limited to #{max_chans}")
+    end
+  end
+
+  def max_chans
+    @settings[:max_channels]
+  end
+
+  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 default_irc_uri, recipient
+    end
+    channels.reject! &:nil?
+  end
+
+  def default_irc_uri
+    default_irc = @settings[:default_irc_uri]
+    if !(default_irc.nil? || default_irc[-1] == '/')
+      default_irc += '/'
+    end
+    default_irc
+  end
+
+  def format_channel(default_irc, recipient)
+    cnt = 0
+    url = nil
+
+    # Try to parse the chan as a full URI
+    begin
+      uri = URI.parse(recipient)
+      raise URI::InvalidURIError if uri.scheme.nil? && cnt == 0
+    rescue URI::InvalidURIError
+      unless default_irc.nil?
+        cnt += 1
+        recipient = "#{default_irc}#{recipient}"
+        retry if cnt == 1
+      end
+    else
+      url = consider_uri uri
+    end
+    url
+  end
+
+  def consider_uri(uri)
+    # Authorize both irc://domain.com/#chan and irc://domain.com/chan
+    if uri.is_a?(URI) && uri.scheme[/^ircs?$/] && !uri.path.nil?
+      # Do not authorize irc://domain.com/
+      if uri.fragment.nil? && uri.path.length > 1
+        uri.to_s
+      else
+        # Authorize irc://domain.com/smthg#chan
+        # The irker daemon will deal with it by concatenating smthg and
+        # chan, thus sending messages on #smthgchan
+        uri.to_s
+      end
+    end
+  end
+end