From 03e9646502cfc52204355df43a6f2c49fe188487 Mon Sep 17 00:00:00 2001
From: Leonardo Crauss Daronco <leonardodaronco@gmail.com>
Date: Wed, 7 Dec 2016 16:32:59 -0200
Subject: [PATCH] Add an example of a post publish script to send data to
 greenlight

---
 scripts/greenlight_recording_notify.rb | 102 +++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100755 scripts/greenlight_recording_notify.rb

diff --git a/scripts/greenlight_recording_notify.rb b/scripts/greenlight_recording_notify.rb
new file mode 100755
index 00000000..44d6d16f
--- /dev/null
+++ b/scripts/greenlight_recording_notify.rb
@@ -0,0 +1,102 @@
+#!/usr/bin/ruby
+
+##################################################################
+# Make sure the dependencies of gems are met
+#
+# gem install jwt
+# gem install java_properties
+##################################################################
+
+#
+# Example of a post publish script to send an event to GreenLight
+# whenever a recording is published in the BigBlueButton server.
+#
+# Uses the same data format and checksum calculation method used by
+# the webhooks module.
+#
+
+require "trollop"
+require "net/http"
+require "jwt"
+require "java_properties"
+require "json"
+require "digest/sha1"
+require "uri"
+require File.expand_path('../../../lib/recordandplayback', __FILE__)
+
+logger = Logger.new("/var/log/bigbluebutton/post_process.log", 'weekly')
+logger.level = Logger::INFO
+BigBlueButton.logger = logger
+
+opts = Trollop::options do
+  opt :meeting_id, "Meeting id to archive", :type => String
+end
+meeting_id = opts[:meeting_id]
+
+meeting_metadata = BigBlueButton::Events.get_meeting_metadata("/var/bigbluebutton/recording/raw/#{meeting_id}/events.xml")
+
+BigBlueButton.logger.info("Post Process: Recording Notify for [#{meeting_id}] starts")
+
+begin
+  callback_url = meeting_metadata["gl-webhooks-callback-url"]
+
+  unless callback_url.nil?
+    BigBlueButton.logger.info("Making callback for recording ready notification")
+
+    props = JavaProperties::Properties.new("/var/lib/tomcat7/webapps/bigbluebutton/WEB-INF/classes/bigbluebutton.properties")
+    secret = props[:securitySalt]
+
+    timestamp = Time.now.to_i
+    event = {
+      "header": {
+        "name": "publish_ended"
+      },
+      "payload":{
+        "metadata": meeting_metadata,
+        "meeting_id": meeting_id
+      }
+    }
+    payload = {
+      event: event,
+      timestamp: timestamp
+    }
+
+    checksum_str = "#{callback_url}#{payload.to_json}#{secret}"
+    checksum = Digest::SHA1.hexdigest(checksum_str)
+    BigBlueButton.logger.info("Got checksum #{checksum} for #{checksum_str}")
+
+    separator = URI.parse(callback_url).query ? "&" : "?"
+    uri = URI.parse("#{callback_url}#{separator}checksum=#{checksum}")
+    http = Net::HTTP.new(uri.host, uri.port)
+    http.use_ssl = (uri.scheme == 'https')
+
+    request = Net::HTTP::Post.new(uri.request_uri, 'Content-Type' => 'application/json')
+    request.body = payload.to_json
+    BigBlueButton.logger.info("Posted event to #{callback_url}")
+
+    response = http.request(request)
+    code = response.code.to_i
+
+    if code == 410
+      BigBlueButton.logger.info("Notified for deleted meeting: #{meeting_id}")
+      # TODO: should we automatically delete the recording here?
+    elsif code == 404
+      BigBlueButton.logger.warn("404 error when notifying for recording: #{meeting_id}, ignoring")
+    elsif code < 200 || code >= 300
+      BigBlueButton.logger.debug("Callback HTTP request failed: #{response.code} #{response.message} (code #{code})")
+    else
+      BigBlueButton.logger.debug("Recording notifier successful: #{meeting_id} (code #{code})")
+    end
+
+  else
+    BigBlueButton.logger.info("Blank callback URL, aborting.")
+  end
+
+rescue => e
+  BigBlueButton.logger.info("Rescued")
+  BigBlueButton.logger.info(e.to_s)
+end
+
+BigBlueButton.logger.info("Post Process: Recording Notify ends")
+
+exit 0