mirror of
https://github.com/discourse/discourse.git
synced 2024-11-27 19:53:44 +08:00
117 lines
3.9 KiB
Ruby
117 lines
3.9 KiB
Ruby
require 'excon'
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module Jobs
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class EmitWebHookEvent < Jobs::Base
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def execute(args)
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raise Discourse::InvalidParameters.new(:web_hook_id) unless args[:web_hook_id].present?
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raise Discourse::InvalidParameters.new(:event_type) unless args[:event_type].present?
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args = args.dup
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if args[:topic_id]
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args[:topic_view] = TopicView.new(args[:topic_id], Discourse.system_user)
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end
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if args[:post_id]
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# deleted post so skip
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return unless args[:post] = Post.find_by(id: args[:post_id])
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end
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if args[:user_id]
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return unless args[:user] = User.find_by(id: args[:user_id])
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end
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web_hook = WebHook.find(args[:web_hook_id])
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unless args[:event_type] == 'ping'
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return unless web_hook.active?
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return if web_hook.group_ids.present? && (args[:group_id].present? ||
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!web_hook.group_ids.include?(args[:group_id]))
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return if web_hook.category_ids.present? && (!args[:category_id].present? ||
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!web_hook.category_ids.include?(args[:category_id]))
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end
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web_hook_request(args, web_hook)
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end
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private
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def web_hook_request(args, web_hook)
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uri = URI(web_hook.payload_url)
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conn = Excon.new(uri.to_s,
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ssl_verify_peer: web_hook.verify_certificate,
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retry_limit: 0)
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body = build_web_hook_body(args, web_hook)
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web_hook_event = WebHookEvent.create!(web_hook_id: web_hook.id)
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begin
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content_type = case web_hook.content_type
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when WebHook.content_types['application/x-www-form-urlencoded']
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'application/x-www-form-urlencoded'
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else
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'application/json'
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end
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headers = {
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'Accept' => '*/*',
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'Connection' => 'close',
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'Content-Length' => body.bytesize,
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'Content-Type' => content_type,
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'Host' => uri.host,
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'User-Agent' => "Discourse/" + Discourse::VERSION::STRING,
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'X-Discourse-Instance' => Discourse.base_url,
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'X-Discourse-Event-Id' => web_hook_event.id,
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'X-Discourse-Event-Type' => args[:event_type]
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}
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headers['X-Discourse-Event'] = args[:event_name].to_s if args[:event_name].present?
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if web_hook.secret.present?
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headers['X-Discourse-Event-Signature'] = "sha256=" + OpenSSL::HMAC.hexdigest("sha256", web_hook.secret, body)
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end
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now = Time.zone.now
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response = conn.post(headers: headers, body: body)
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rescue
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web_hook_event.destroy!
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end
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web_hook_event.update_attributes!(headers: MultiJson.dump(headers),
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payload: body,
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status: response.status,
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response_headers: MultiJson.dump(response.headers),
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response_body: response.body,
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duration: ((Time.zone.now - now) * 1000).to_i)
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MessageBus.publish("/web_hook_events/#{web_hook.id}", {
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web_hook_event_id: web_hook_event.id,
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event_type: args[:event_type]
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}, user_ids: User.staff.pluck(:id))
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end
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def build_web_hook_body(args, web_hook)
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body = {}
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guardian = Guardian.new(Discourse.system_user)
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if topic_view = args[:topic_view]
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body[:topic] = TopicViewSerializer.new(topic_view, scope: guardian, root: false).as_json
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end
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if post = args[:post]
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body[:post] = PostSerializer.new(post, scope: guardian, root: false).as_json
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end
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if user = args[:user]
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body[:user] = UserSerializer.new(user, scope: guardian, root: false).as_json
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end
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body[:ping] = 'OK' if args[:event_type] == 'ping'
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raise Discourse::InvalidParameters.new if body.empty?
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MultiJson.dump(body)
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end
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end
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end
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