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113 lines
3.6 KiB
Ruby
113 lines
3.6 KiB
Ruby
module WopiUtil
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require 'open-uri'
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# Used for timestamp
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UNIX_EPOCH_IN_CLR_TICKS = 621355968000000000
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CLR_TICKS_PER_SECOND = 10000000
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DISCOVERY_TTL = 1.days
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DISCOVERY_TTL.freeze
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# For more explanation see this:
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# http://stackoverflow.com/questions/11888053/
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# convert-net-datetime-ticks-property-to-date-in-objective-c
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def convert_to_unix_timestamp(timestamp)
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Time.at((timestamp - UNIX_EPOCH_IN_CLR_TICKS) / CLR_TICKS_PER_SECOND)
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end
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def get_action(extension, activity)
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current_wopi_discovery
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WopiAction.find_action(extension, activity)
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end
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def current_wopi_discovery
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discovery = WopiDiscovery.first
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return discovery if discovery && discovery.expires >= Time.now.to_i
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initialize_discovery(discovery)
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end
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private
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# Currently only saves Excel, Word and PowerPoint view and edit actions
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def initialize_discovery(discovery)
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Rails.logger.warn 'Initializing discovery'
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discovery.destroy if discovery
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@doc = Nokogiri::XML(Kernel.open(ENV['WOPI_DISCOVERY_URL']))
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discovery = WopiDiscovery.new
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discovery.expires = Time.now.to_i + DISCOVERY_TTL
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key = @doc.xpath('//proof-key')
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discovery.proof_key_mod = key.xpath('@modulus').first.value
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discovery.proof_key_exp = key.xpath('@exponent').first.value
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discovery.proof_key_old_mod = key.xpath('@oldmodulus').first.value
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discovery.proof_key_old_exp = key.xpath('@oldexponent').first.value
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discovery.save!
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@doc.xpath('//app').each do |app|
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app_name = app.xpath('@name').first.value
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next unless %w(Excel Word PowerPoint WopiTest).include?(app_name)
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wopi_app = WopiApp.new
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wopi_app.name = app.xpath('@name').first.value
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wopi_app.icon = app.xpath('@favIconUrl').first.value
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wopi_app.wopi_discovery_id = discovery.id
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wopi_app.save!
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app.xpath('action').each do |action|
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name = action.xpath('@name').first.value
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next unless %w(view edit wopitest).include?(name)
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wopi_action = WopiAction.new
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wopi_action.action = name
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wopi_action.extension = action.xpath('@ext').first.value
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wopi_action.urlsrc = action.xpath('@urlsrc').first.value
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wopi_action.wopi_app_id = wopi_app.id
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wopi_action.save!
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end
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end
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discovery
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rescue => e
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Rails.logger.warn 'WOPI: initialization failed: ' + e.message
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e.backtrace.each { |line| Rails.logger.error line }
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discovery = WopiDiscovery.first
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discovery.destroy if discovery
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end
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def create_wopi_file_activity(current_user, started_editing)
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if @assoc.class == Step
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activity = Activity.new(
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type_of: :start_edit_wopi_file,
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user: current_user,
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message: t(
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started_editing ? 'activities.start_edit_wopi_file_step' :
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'activities.unlock_wopi_file_step',
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user: current_user.full_name,
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file: @asset.file_file_name,
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step: @asset.step.position + 1,
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step_name: @asset.step.name
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)
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)
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if @protocol.in_module?
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activity.my_module = @protocol.my_module
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activity.project = @protocol.my_module.experiment.project
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end
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activity.save
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else
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Activity.create(
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type_of: :start_edit_wopi_file,
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user: current_user,
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project: @my_module.experiment.project,
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experiment: @my_module.experiment,
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my_module: @my_module,
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message: t(
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started_editing ? 'activities.start_edit_wopi_file_result' :
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'activities.unlock_wopi_file_result',
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user: current_user.full_name,
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file: @asset.file_file_name,
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result: @asset.result.name
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)
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)
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end
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end
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end
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