1 class ApplicationController < ActionController::Base
2 respond_to :html, :json, :js
5 ERROR_ACTIONS = [:render_error, :render_not_found]
7 around_filter :thread_clear
8 around_filter(:thread_with_mandatory_api_token,
9 except: [:index, :show] + ERROR_ACTIONS)
10 around_filter :thread_with_optional_api_token
11 before_filter :check_user_agreements, except: ERROR_ACTIONS
12 before_filter :check_user_notifications, except: ERROR_ACTIONS
13 around_filter :using_reader_tokens, only: [:index, :show]
14 before_filter :find_object_by_uuid, except: [:index] + ERROR_ACTIONS
18 rescue_from Exception,
19 :with => :render_exception
20 rescue_from ActiveRecord::RecordNotFound,
21 :with => :render_not_found
22 rescue_from ActionController::RoutingError,
23 :with => :render_not_found
24 rescue_from ActionController::UnknownController,
25 :with => :render_not_found
26 rescue_from ::AbstractController::ActionNotFound,
27 :with => :render_not_found
30 def unprocessable(message=nil)
33 @errors << message if message
34 render_error status: 422
37 def render_error(opts)
38 opts = {status: 500}.merge opts
40 # json must come before html here, so it gets used as the
41 # default format when js is requested by the client. This lets
42 # ajax:error callback parse the response correctly, even though
44 f.json { render opts.merge(json: {success: false, errors: @errors}) }
45 f.html { render opts.merge(controller: 'application', action: 'error') }
49 def render_exception(e)
50 logger.error e.inspect
51 logger.error e.backtrace.collect { |x| x + "\n" }.join('') if e.backtrace
52 if @object.andand.errors.andand.full_messages.andand.any?
53 @errors = @object.errors.full_messages
57 self.render_error status: 422
60 def render_not_found(e=ActionController::RoutingError.new("Path not found"))
61 logger.error e.inspect
62 @errors = ["Path not found"]
63 self.render_error status: 404
68 limit = params[:limit].to_i
74 offset = params[:offset].to_i
79 @objects ||= model_class.limit(limit).offset(offset).all
81 f.json { render json: @objects }
89 return render_not_found("object not found")
92 f.json { render json: @object }
94 if request.method == 'GET'
97 redirect_to params[:return_to] || @object
106 return render_not_found("object not found")
111 @object = model_class.new
115 updates = params[@object.class.to_s.underscore.singularize.to_sym]
116 updates.keys.each do |attr|
117 if @object.send(attr).is_a? Hash
118 if updates[attr].is_a? String
119 updates[attr] = Oj.load updates[attr]
121 if params[:merge] || params["merge_#{attr}".to_sym]
122 # Merge provided Hash with current Hash, instead of
124 updates[attr] = @object.send(attr).with_indifferent_access.
125 deep_merge(updates[attr].with_indifferent_access)
129 if @object.update_attributes updates
132 self.render_error status: 422
137 @object ||= model_class.new params[model_class.to_s.underscore.singularize]
141 f.json { render json: @object }
143 redirect_to(params[:return_to] || @object)
152 f.json { render json: @object }
154 redirect_to(params[:return_to] || :back)
159 self.render_error status: 422
164 if Thread.current[:arvados_api_token]
165 Thread.current[:user] ||= User.current
167 logger.error "No API token in Thread"
173 controller_name.classify.constantize
176 def breadcrumb_page_name
177 (@breadcrumb_page_name ||
178 (@object.friendly_link_name if @object.respond_to? :friendly_link_name) ||
187 %w(Attributes Metadata JSON API)
192 def redirect_to_login
195 if request.method == 'GET'
196 redirect_to $arvados_api_client.arvados_login_url(return_to: request.url)
198 flash[:error] = "Either you are not logged in, or your session has timed out. I can't automatically log you in and re-attempt this request."
203 @errors = ['You do not seem to be logged in. You did not supply an API token with this request, and your session (if any) has timed out.']
204 self.render_error status: 422
207 false # For convenience to return from callbacks
210 def using_reader_tokens(login_optional=false)
211 if params[:reader_tokens].is_a?(Array) and params[:reader_tokens].any?
212 Thread.current[:reader_tokens] = params[:reader_tokens]
216 rescue ArvadosApiClient::NotLoggedInException
220 return redirect_to_login
223 Thread.current[:reader_tokens] = nil
227 def using_specific_api_token(api_token)
229 [:arvados_api_token, :user].each do |key|
230 start_values[key] = Thread.current[key]
232 Thread.current[:arvados_api_token] = api_token
233 Thread.current[:user] = nil
237 start_values.each_key { |key| Thread.current[key] = start_values[key] }
241 def find_object_by_uuid
242 if params[:id] and params[:id].match /\D/
243 params[:uuid] = params.delete :id
245 if params[:uuid].is_a? String
246 @object = model_class.find(params[:uuid])
248 @object = model_class.where(uuid: params[:uuid]).first
253 Thread.current[:arvados_api_token] = nil
254 Thread.current[:user] = nil
255 Rails.cache.delete_matched(/^request_#{Thread.current.object_id}_/)
257 Rails.cache.delete_matched(/^request_#{Thread.current.object_id}_/)
260 def thread_with_api_token(login_optional = false)
262 try_redirect_to_login = true
263 if params[:api_token]
264 try_redirect_to_login = false
265 Thread.current[:arvados_api_token] = params[:api_token]
266 # Before copying the token into session[], do a simple API
267 # call to verify its authenticity.
269 session[:arvados_api_token] = params[:api_token]
270 if !request.format.json? and request.method == 'GET'
271 # Repeat this request with api_token in the (new) session
272 # cookie instead of the query string. This prevents API
273 # tokens from appearing in (and being inadvisedly copied
274 # and pasted from) browser Location bars.
275 redirect_to request.fullpath.sub(%r{([&\?]api_token=)[^&\?]*}, '')
280 @errors = ['Invalid API token']
281 self.render_error status: 401
283 elsif session[:arvados_api_token]
284 # In this case, the token must have already verified at some
285 # point, but it might have been revoked since. We'll try
286 # using it, and catch the exception if it doesn't work.
287 try_redirect_to_login = false
288 Thread.current[:arvados_api_token] = session[:arvados_api_token]
291 rescue ArvadosApiClient::NotLoggedInException
292 try_redirect_to_login = true
295 logger.debug "No token received, session is #{session.inspect}"
297 if try_redirect_to_login
298 unless login_optional
301 # login is optional for this route so go on to the regular controller
302 Thread.current[:arvados_api_token] = nil
307 # Remove token in case this Thread is used for anything else.
308 Thread.current[:arvados_api_token] = nil
312 def thread_with_mandatory_api_token
313 thread_with_api_token do
318 # This runs after thread_with_mandatory_api_token in the filter chain.
319 def thread_with_optional_api_token
320 if Thread.current[:arvados_api_token]
321 # We are already inside thread_with_mandatory_api_token.
324 # We skipped thread_with_mandatory_api_token. Use the optional version.
325 thread_with_api_token(true) do
333 Link.where(uuid: 'just-verifying-my-api-token')
335 rescue ArvadosApiClient::NotLoggedInException
340 def ensure_current_user_is_admin
341 unless current_user and current_user.is_admin
342 @errors = ['Permission denied']
343 self.render_error status: 401
347 def check_user_agreements
348 if current_user && !current_user.is_active && current_user.is_invited
349 signatures = UserAgreement.signatures
350 @signed_ua_uuids = UserAgreement.signatures.map &:head_uuid
351 @required_user_agreements = UserAgreement.all.map do |ua|
352 if not @signed_ua_uuids.index ua.uuid
353 Collection.find(ua.uuid)
356 if @required_user_agreements.empty?
357 # No agreements to sign. Perhaps we just need to ask?
358 current_user.activate
359 if !current_user.is_active
360 logger.warn "#{current_user.uuid.inspect}: " +
361 "No user agreements to sign, but activate failed!"
364 if !current_user.is_active
365 render 'user_agreements/index'
372 return Rails.configuration.arvados_theme
375 @@notification_tests = []
377 @@notification_tests.push lambda { |controller, current_user|
378 AuthorizedKey.limit(1).where(authorized_user_uuid: current_user.uuid).each do
381 return lambda { |view|
382 view.render partial: 'notifications/ssh_key_notification'
386 #@@notification_tests.push lambda { |controller, current_user|
387 # Job.limit(1).where(created_by: current_user.uuid).each do
390 # return lambda { |view|
391 # view.render partial: 'notifications/jobs_notification'
395 @@notification_tests.push lambda { |controller, current_user|
396 Collection.limit(1).where(created_by: current_user.uuid).each do
399 return lambda { |view|
400 view.render partial: 'notifications/collections_notification'
404 @@notification_tests.push lambda { |controller, current_user|
405 PipelineInstance.limit(1).where(created_by: current_user.uuid).each do
408 return lambda { |view|
409 view.render partial: 'notifications/pipelines_notification'
413 def check_user_notifications
414 @notification_count = 0
418 @showallalerts = false
419 @@notification_tests.each do |t|
420 a = t.call(self, current_user)
422 @notification_count += 1
423 @notifications.push a
428 if @notification_count == 0
429 @notification_count = ''