1 class ApplicationController < ActionController::Base
2 include CurrentApiClient
6 around_filter :thread_with_auth_info, :except => [:render_error, :render_not_found]
8 before_filter :remote_ip
9 before_filter :require_auth_scope_all, :except => :render_not_found
10 before_filter :catch_redirect_hint
12 before_filter :load_where_param, :only => :index
13 before_filter :load_filters_param, :only => :index
14 before_filter :find_objects_for_index, :only => :index
15 before_filter :find_object_by_uuid, :except => [:index, :create,
18 before_filter :reload_object_before_update, :only => :update
19 before_filter :render_404_if_no_object, except: [:index, :create,
23 attr_accessor :resource_attrs
27 if params[:eager] and params[:eager] != '0' and params[:eager] != 0 and params[:eager] != ''
28 @objects.each(&:eager_load_associations)
34 render json: @object.as_api_response
38 @object = model_class.new resource_attrs
44 attrs_to_update = resource_attrs.reject { |k,v|
45 [:kind, :etag, :href].index k
47 @object.update_attributes! attrs_to_update
56 def catch_redirect_hint
58 if params.has_key?('redirect_to') then
59 session[:redirect_to] = params[:redirect_to]
65 rescue_from Exception,
66 :with => :render_error
67 rescue_from ActiveRecord::RecordNotFound,
68 :with => :render_not_found
69 rescue_from ActionController::RoutingError,
70 :with => :render_not_found
71 rescue_from ActionController::UnknownController,
72 :with => :render_not_found
73 rescue_from AbstractController::ActionNotFound,
74 :with => :render_not_found
75 rescue_from ArvadosModel::PermissionDeniedError,
76 :with => :render_error
79 def render_404_if_no_object
80 render_not_found "Object not found" if !@object
84 logger.error e.inspect
85 if e.respond_to? :backtrace and e.backtrace
86 logger.error e.backtrace.collect { |x| x + "\n" }.join('')
88 if @object and @object.errors and @object.errors.full_messages and not @object.errors.full_messages.empty?
89 errors = @object.errors.full_messages
93 status = e.respond_to?(:http_status) ? e.http_status : 422
94 render json: { errors: errors }, status: status
97 def render_not_found(e=ActionController::RoutingError.new("Path not found"))
98 logger.error e.inspect
99 render json: { errors: ["Path not found"] }, status: 404
105 if params[:where].nil? or params[:where] == ""
107 elsif params[:where].is_a? Hash
108 @where = params[:where]
109 elsif params[:where].is_a? String
111 @where = Oj.load(params[:where])
112 raise unless @where.is_a? Hash
114 raise ArgumentError.new("Could not parse \"where\" param as an object")
117 @where = @where.with_indifferent_access
120 def load_filters_param
121 if params[:filters].is_a? Array
122 @filters = params[:filters]
123 elsif params[:filters].is_a? String and !params[:filters].empty?
125 @filters = Oj.load params[:filters]
126 raise unless @filters.is_a? Array
128 raise ArgumentError.new("Could not parse \"filters\" param as an array")
133 def find_objects_for_index
134 @objects ||= model_class.readable_by(current_user)
135 apply_where_limit_order_params
138 def apply_where_limit_order_params
139 if @filters.is_a? Array and @filters.any?
142 @filters.each do |attr, operator, operand|
143 if !model_class.searchable_columns(operator).index attr.to_s
144 raise ArgumentError.new("Invalid attribute '#{attr}' in condition")
146 case operator.downcase
147 when '=', '<', '<=', '>', '>=', 'like'
148 if operand.is_a? String
149 cond_out << "#{table_name}.#{attr} #{operator} ?"
150 if (# any operator that operates on value rather than
152 operator.match(/[<=>]/) and
153 model_class.attribute_column(attr).type == :datetime)
154 operand = Time.parse operand
159 if operand.is_a? Array
160 cond_out << "#{table_name}.#{attr} IN (?)"
164 operand = [operand] unless operand.is_a? Array
167 cl = ArvadosModel::kind_class op
169 cond << "#{table_name}.#{attr} like ?"
170 param_out << cl.uuid_like_pattern
175 cond_out << cond.join(' OR ')
179 @objects = @objects.where(cond_out.join(' AND '), *param_out)
182 if @where.is_a? Hash and @where.any?
184 @where.each do |attr,value|
185 if attr.to_s == 'any'
186 if value.is_a?(Array) and
187 value.length == 2 and
188 value[0] == 'contains' then
190 model_class.searchable_columns('ilike').each do |column|
191 ilikes << "#{table_name}.#{column} ilike ?"
192 conditions << "%#{value[1]}%"
195 conditions[0] << ' and (' + ilikes.join(' or ') + ')'
198 elsif attr.to_s.match(/^[a-z][_a-z0-9]+$/) and
199 model_class.columns.collect(&:name).index(attr.to_s)
201 conditions[0] << " and #{table_name}.#{attr} is ?"
203 elsif value.is_a? Array
204 if value[0] == 'contains' and value.length == 2
205 conditions[0] << " and #{table_name}.#{attr} like ?"
206 conditions << "%#{value[1]}%"
208 conditions[0] << " and #{table_name}.#{attr} in (?)"
211 elsif value.is_a? String or value.is_a? Fixnum or value == true or value == false
212 conditions[0] << " and #{table_name}.#{attr}=?"
214 elsif value.is_a? Hash
215 # Not quite the same thing as "equal?" but better than nothing?
218 conditions[0] << " and #{table_name}.#{attr} ilike ?"
219 conditions << "%#{k}%#{v}%"
225 if conditions.length > 1
226 conditions[0].sub!(/^1=1 and /, '')
234 @limit = params[:limit].to_i
236 raise ArgumentError.new("Invalid value for limit parameter")
241 @objects = @objects.limit(@limit)
247 @objects = @objects.offset(params[:offset].to_i)
248 @offset = params[:offset].to_i
250 raise ArgumentError.new("Invalid value for limit parameter")
258 params[:order].split(',').each do |order|
259 attr, direction = order.strip.split " "
261 if attr.match /^[a-z][_a-z0-9]+$/ and
262 model_class.columns.collect(&:name).index(attr) and
263 ['asc','desc'].index direction.downcase
264 orders << "#{table_name}.#{attr} #{direction.downcase}"
269 orders << "#{table_name}.modified_at desc"
271 @objects = @objects.order(orders.join ", ")
275 return @attrs if @attrs
276 @attrs = params[resource_name]
277 if @attrs.is_a? String
278 @attrs = Oj.load @attrs, symbol_keys: true
280 unless @attrs.is_a? Hash
281 message = "No #{resource_name}"
282 if resource_name.index('_')
283 message << " (or #{resource_name.camelcase(:lower)})"
285 message << " hash provided with request"
286 raise ArgumentError.new(message)
288 %w(created_at modified_by_client_uuid modified_by_user_uuid modified_at).each do |x|
289 @attrs.delete x.to_sym
291 @attrs = @attrs.symbolize_keys if @attrs.is_a? HashWithIndifferentAccess
300 respond_to do |format|
302 render :json => { errors: ['Not logged in'] }.to_json, status: 401
305 redirect_to '/auth/joshid'
313 unless current_user and current_user.is_admin
314 render :json => { errors: ['Forbidden'] }.to_json, status: 403
318 def require_auth_scope_all
319 require_login and require_auth_scope(['all'])
322 def require_auth_scope(ok_scopes)
323 unless current_api_client_auth_has_scope(ok_scopes)
324 render :json => { errors: ['Forbidden'] }.to_json, status: 403
328 def thread_with_auth_info
329 Thread.current[:request_starttime] = Time.now
330 Thread.current[:api_url_base] = root_url.sub(/\/$/,'') + '/arvados/v1'
334 api_client_auth = nil
336 params[:api_token] ||
337 params[:oauth_token] ||
338 request.headers["Authorization"].andand.match(/OAuth2 ([a-z0-9]+)/).andand[1]
340 api_client_auth = ApiClientAuthorization.
341 includes(:api_client, :user).
342 where('api_token=? and (expires_at is null or expires_at > CURRENT_TIMESTAMP)', supplied_token).
344 if api_client_auth.andand.user
345 session[:user_id] = api_client_auth.user.id
346 session[:api_client_uuid] = api_client_auth.api_client.andand.uuid
347 session[:api_client_authorization_id] = api_client_auth.id
348 user = api_client_auth.user
349 api_client = api_client_auth.api_client
351 elsif session[:user_id]
352 user = User.find(session[:user_id]) rescue nil
353 api_client = ApiClient.
354 where('uuid=?',session[:api_client_uuid]).
356 if session[:api_client_authorization_id] then
357 api_client_auth = ApiClientAuthorization.
358 find session[:api_client_authorization_id]
361 Thread.current[:api_client_ip_address] = remote_ip
362 Thread.current[:api_client_authorization] = api_client_auth
363 Thread.current[:api_client_uuid] = api_client.andand.uuid
364 Thread.current[:api_client] = api_client
365 Thread.current[:user] = user
367 api_client_auth.last_used_at = Time.now
368 api_client_auth.last_used_by_ip_address = remote_ip
369 api_client_auth.save validate: false
373 Thread.current[:api_client_ip_address] = nil
374 Thread.current[:api_client_authorization] = nil
375 Thread.current[:api_client_uuid] = nil
376 Thread.current[:api_client] = nil
377 Thread.current[:user] = nil
383 controller_name.classify.constantize
386 def resource_name # params[] key used by client
387 controller_name.singularize
394 def find_object_by_uuid
395 if params[:id] and params[:id].match /\D/
396 params[:uuid] = params.delete :id
398 @where = { uuid: params[:uuid] }
399 find_objects_for_index
400 @object = @objects.first
403 def reload_object_before_update
404 # This is necessary to prevent an ActiveRecord::ReadOnlyRecord
405 # error when updating an object which was retrieved using a join.
406 if @object.andand.readonly?
407 @object = model_class.find_by_uuid(@objects.first.uuid)
411 def self.accept_attribute_as_json(attr, force_class=nil)
412 before_filter lambda { accept_attribute_as_json attr, force_class }
414 accept_attribute_as_json :properties, Hash
415 accept_attribute_as_json :info, Hash
416 def accept_attribute_as_json(attr, force_class)
417 if params[resource_name] and resource_attrs.is_a? Hash
418 if resource_attrs[attr].is_a? String
419 resource_attrs[attr] = Oj.load(resource_attrs[attr],
421 if force_class and !resource_attrs[attr].is_a? force_class
422 raise TypeError.new("#{resource_name}[#{attr.to_s}] must be a #{force_class.to_s}")
424 elsif resource_attrs[attr].is_a? Hash
425 # Convert symbol keys to strings (in hashes provided by
427 resource_attrs[attr] = resource_attrs[attr].
428 with_indifferent_access.to_hash
435 :kind => "arvados##{(@response_resource_name || resource_name).camelize(:lower)}List",
440 :items => @objects.as_api_response(nil)
442 if @objects.respond_to? :except
443 @object_list[:items_available] = @objects.
444 except(:limit).except(:offset).
445 count(:id, distinct: true)
447 render json: @object_list
451 # Caveat: this is highly dependent on the proxy setup. YMMV.
452 if request.headers.has_key?('HTTP_X_REAL_IP') then
453 # We're behind a reverse proxy
454 @remote_ip = request.headers['HTTP_X_REAL_IP']
456 # Hopefully, we are not!
457 @remote_ip = request.env['REMOTE_ADDR']
461 def self._index_requires_parameters
463 filters: { type: 'array', required: false },
464 where: { type: 'object', required: false },
465 order: { type: 'string', required: false }
469 def client_accepts_plain_text_stream
470 (request.headers['Accept'].split(' ') &
471 ['text/plain', '*/*']).count > 0
476 response = opts.first[:json]
477 if response.is_a?(Hash) &&
479 Thread.current[:request_starttime]
480 response[:_profile] = {
481 request_time: Time.now - Thread.current[:request_starttime]