359 lines
10 KiB
Ruby
359 lines
10 KiB
Ruby
# Copyright (C) 2012-2022 Zammad Foundation, https://zammad-foundation.org/
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class Channel < ApplicationModel
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include Channel::Assets
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belongs_to :group, optional: true
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store :options
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store :preferences
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after_create :email_address_check
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after_update :email_address_check
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after_destroy :email_address_check
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# rubocop:disable Style/ClassVars
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@@channel_stream = {}
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@@channel_stream_started_till_at = {}
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# rubocop:enable Style/ClassVars
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=begin
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fetch all accounts
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Channel.fetch
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=end
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def self.fetch
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channels = Channel.where('active = ? AND area LIKE ?', true, '%::Account')
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channels.each(&:fetch)
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end
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=begin
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fetch one account
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channel = Channel.where(area: 'Email::Account').first
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channel.fetch
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=end
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def fetch(force = false)
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adapter = options[:adapter]
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adapter_options = options
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if options[:inbound] && options[:inbound][:adapter]
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adapter = options[:inbound][:adapter]
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adapter_options = options[:inbound][:options]
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end
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refresh_xoauth2!
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driver_class = self.class.driver_class(adapter)
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driver_instance = driver_class.new
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return if !force && !driver_instance.fetchable?(self)
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result = driver_instance.fetch(adapter_options, self)
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self.status_in = result[:result]
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self.last_log_in = result[:notice]
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preferences[:last_fetch] = Time.zone.now
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save!
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true
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rescue => e
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error = "Can't use Channel::Driver::#{adapter.to_classname}: #{e.inspect}"
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logger.error error
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logger.error e
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self.status_in = 'error'
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self.last_log_in = error
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preferences[:last_fetch] = Time.zone.now
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save!
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false
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end
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=begin
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stream instance of account
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channel = Channel.where(area: 'Twitter::Account').first
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stream_instance = channel.stream_instance
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# start stream
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stream_instance.stream
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=end
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def stream_instance
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adapter = options[:adapter]
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begin
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driver_class = self.class.driver_class(adapter)
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driver_instance = driver_class.new
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# check is stream exists
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return if !driver_instance.respond_to?(:stream_instance)
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driver_instance.stream_instance(self)
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# set scheduler job to active
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driver_instance
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rescue => e
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error = "Can't use Channel::Driver::#{adapter.to_classname}: #{e.inspect}"
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logger.error error
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logger.error e
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self.status_in = 'error'
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self.last_log_in = error
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save!
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end
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end
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=begin
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stream all accounts
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Channel.stream
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=end
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def self.stream
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Thread.abort_on_exception = true
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auto_reconnect_after = 180
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delay_before_reconnect = 70
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last_channels = []
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loop do
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logger.debug { 'stream controll loop' }
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current_channels = []
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channels = Channel.where('active = ? AND area LIKE ?', true, '%::Account')
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channels.each do |channel|
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adapter = channel.options[:adapter]
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next if adapter.blank?
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driver_class = self.driver_class(adapter)
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next if !driver_class.respond_to?(:streamable?)
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next if !driver_class.streamable?
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channel_id = channel.id.to_s
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current_channels.push channel_id
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# exit it channel has changed or connection is older then 180 minutes
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if @@channel_stream[channel_id].present?
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if @@channel_stream[channel_id][:options] != channel.options
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logger.info "channel options (#{channel.id}) has changed, stop stream thread"
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@@channel_stream[channel_id][:thread].exit
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@@channel_stream[channel_id][:thread].join
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@@channel_stream[channel_id][:stream_instance].disconnect
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@@channel_stream.delete(channel_id)
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@@channel_stream_started_till_at[channel_id] = Time.zone.now
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next
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elsif @@channel_stream[channel_id][:started_at] && @@channel_stream[channel_id][:started_at] < Time.zone.now - auto_reconnect_after.minutes
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logger.info "channel (#{channel.id}) reconnect - stream thread is older then #{auto_reconnect_after} minutes, restart thread"
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@@channel_stream[channel_id][:thread].exit
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@@channel_stream[channel_id][:thread].join
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@@channel_stream[channel_id][:stream_instance].disconnect
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@@channel_stream.delete(channel_id)
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@@channel_stream_started_till_at[channel_id] = Time.zone.now
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next
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end
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end
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local_delay_before_reconnect = delay_before_reconnect
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if channel.status_in == 'error'
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local_delay_before_reconnect *= 2
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end
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if @@channel_stream[channel_id].blank? && @@channel_stream_started_till_at[channel_id].present?
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wait_in_seconds = @@channel_stream_started_till_at[channel_id] - (Time.zone.now - local_delay_before_reconnect.seconds)
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if wait_in_seconds.positive?
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logger.info "skipp channel (#{channel_id}) for streaming, already tried to connect or connection was active within the last #{local_delay_before_reconnect} seconds - wait another #{wait_in_seconds} seconds"
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next
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end
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end
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# logger.info "thread stream for channel (#{channel.id}) already running" if @@channel_stream[channel_id].present?
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next if @@channel_stream[channel_id].present?
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@@channel_stream[channel_id] = {
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options: channel.options,
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started_at: Time.zone.now,
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}
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# start channels with delay
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sleep @@channel_stream.count
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# start threads for each channel
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@@channel_stream[channel_id][:thread] = Thread.new do
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logger.info "Started stream channel for '#{channel.id}' (#{channel.area})..."
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channel.status_in = 'ok'
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channel.last_log_in = ''
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channel.save!
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@@channel_stream_started_till_at[channel_id] = Time.zone.now
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@@channel_stream[channel_id] ||= {}
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@@channel_stream[channel_id][:stream_instance] = channel.stream_instance
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@@channel_stream[channel_id][:stream_instance].stream
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@@channel_stream[channel_id][:stream_instance].disconnect
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@@channel_stream.delete(channel_id)
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@@channel_stream_started_till_at[channel_id] = Time.zone.now
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logger.info " ...stopped stream thread for '#{channel.id}'"
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rescue => e
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error = "Can't use stream for channel (#{channel.id}): #{e.inspect}"
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logger.error error
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logger.error e
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channel.status_in = 'error'
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channel.last_log_in = error
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channel.save!
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@@channel_stream.delete(channel_id)
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@@channel_stream_started_till_at[channel_id] = Time.zone.now
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end
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end
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# cleanup deleted channels
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last_channels.each do |channel_id|
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next if @@channel_stream[channel_id].blank?
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next if current_channels.include?(channel_id)
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logger.info "channel (#{channel_id}) not longer active, stop stream thread"
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@@channel_stream[channel_id][:thread].exit
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@@channel_stream[channel_id][:thread].join
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@@channel_stream[channel_id][:stream_instance].disconnect
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@@channel_stream.delete(channel_id)
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@@channel_stream_started_till_at[channel_id] = Time.zone.now
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end
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last_channels = current_channels
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sleep 20
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end
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end
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=begin
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send via account
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channel = Channel.where(area: 'Email::Account').first
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channel.deliver(params, notification)
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=end
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def deliver(params, notification = false)
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adapter = options[:adapter]
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adapter_options = options
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if options[:outbound] && options[:outbound][:adapter]
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adapter = options[:outbound][:adapter]
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adapter_options = options[:outbound][:options]
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end
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refresh_xoauth2!
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driver_class = self.class.driver_class(adapter)
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driver_instance = driver_class.new
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result = driver_instance.send(adapter_options, params, notification)
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self.status_out = 'ok'
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self.last_log_out = ''
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save!
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result
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rescue => e
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error = "Can't use Channel::Driver::#{adapter.to_classname}: #{e.inspect}"
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logger.error error
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logger.error e
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self.status_out = 'error'
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self.last_log_out = error
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save!
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raise error
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end
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=begin
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process via account
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channel = Channel.where(area: 'Email::Account').first
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channel.process(params)
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=end
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def process(params)
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adapter = options[:adapter]
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adapter_options = options
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if options[:inbound] && options[:inbound][:adapter]
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adapter = options[:inbound][:adapter]
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adapter_options = options[:inbound][:options]
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end
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result = nil
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begin
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driver_class = self.class.driver_class(adapter)
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driver_instance = driver_class.new
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result = driver_instance.process(adapter_options, params, self)
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self.status_in = 'ok'
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self.last_log_in = ''
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save!
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rescue => e
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error = "Can't use Channel::Driver::#{adapter.to_classname}: #{e.inspect}"
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logger.error error
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logger.error e
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self.status_in = 'error'
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self.last_log_in = error
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save!
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raise e, error
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end
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result
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end
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=begin
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load channel driver and return class
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klass = Channel.driver_class('Imap')
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=end
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def self.driver_class(adapter)
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"::Channel::Driver::#{adapter.to_classname}".constantize
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end
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=begin
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get instance of channel driver
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channel.driver_instance
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=end
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def driver_instance
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self.class.driver_class(options[:adapter])
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end
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def refresh_xoauth2!(force: false)
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return if options.dig(:auth, :type) != 'XOAUTH2'
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return if !force && ApplicationHandleInfo.current == 'application_server'
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result = ExternalCredential.refresh_token(options[:auth][:provider], options[:auth])
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options[:auth] = result
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options[:inbound][:options][:password] = result[:access_token]
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options[:outbound][:options][:password] = result[:access_token]
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return if new_record?
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save!
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rescue => e
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logger.error e
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raise "Failed to refresh XOAUTH2 access_token of provider '#{options[:auth][:provider]}': #{e.message}"
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end
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private
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def email_address_check
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# reset non existing channel_ids
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EmailAddress.channel_cleanup
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end
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end
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