1 class ApplicationController < ActionController::Base
3 around_filter :thread_clear
4 around_filter :thread_with_api_token, :except => [:render_exception, :render_not_found]
5 before_filter :find_object_by_uuid, :except => [:index, :render_exception, :render_not_found]
9 :with => :render_exception
10 rescue_from ActiveRecord::RecordNotFound,
11 :with => :render_not_found
12 rescue_from ActionController::RoutingError,
13 :with => :render_not_found
14 rescue_from ActionController::UnknownController,
15 :with => :render_not_found
16 rescue_from ActionController::UnknownAction,
17 :with => :render_not_found
20 def unprocessable(message=nil)
22 @errors << message if message
23 render_error status: 422
26 def render_error(opts)
28 f.html { render opts.merge(controller: 'application', action: 'error') }
29 f.json { render opts.merge(json: {success: false, errors: @errors}) }
33 def render_exception(e)
34 logger.error e.inspect
35 logger.error e.backtrace.collect { |x| x + "\n" }.join('') if e.backtrace
36 if @object.andand.errors.andand.full_messages.andand.any?
37 @errors = @object.errors.full_messages
41 self.render_error status: 422
44 def render_not_found(e=ActionController::RoutingError.new("Path not found"))
45 logger.error e.inspect
46 @errors = ["Path not found"]
47 self.render_error status: 404
52 @objects ||= model_class.all
54 f.json { render json: @objects }
61 return render_not_found("object not found")
64 f.json { render json: @object }
70 @object = model_class.new
74 if @object.update_attributes params[@object.class.to_s.underscore.singularize.to_sym]
77 self.render_error status: 422
82 @object ||= model_class.new params[model_class.to_s.singularize.to_sym]
89 redirect_to(params[:return_to] || :back)
91 self.render_error status: 422
96 if Thread.current[:arvados_api_token]
97 Thread.current[:user] ||= User.current
99 logger.error "No API token in Thread"
105 controller_name.classify.constantize
110 def find_object_by_uuid
111 if params[:id] and params[:id].match /\D/
112 params[:uuid] = params.delete :id
114 @object = model_class.where(uuid: params[:uuid]).first
118 Thread.current[:arvados_api_token] = nil
119 Thread.current[:user] = nil
123 def thread_with_api_token
125 try_redirect_to_login = true
126 if params[:api_token]
127 try_redirect_to_login = false
128 Thread.current[:arvados_api_token] = params[:api_token]
129 # Before copying the token into session[], do a simple API
130 # call to verify its authenticity.
132 session[:arvados_api_token] = params[:api_token]
133 if !request.format.json? and request.method == 'GET'
134 # Repeat this request with api_token in the (new) session
135 # cookie instead of the query string. This prevents API
136 # tokens from appearing in (and being inadvisedly copied
137 # and pasted from) browser Location bars.
138 redirect_to request.fullpath.sub(%r{([&\?]api_token=)[^&\?]*}, '')
143 @errors = ['Invalid API token']
144 self.render_error status: 401
146 elsif session[:arvados_api_token]
147 # In this case, the token must have already verified at some
148 # point, but it might have been revoked since. We'll try
149 # using it, and catch the exception if it doesn't work.
150 try_redirect_to_login = false
151 Thread.current[:arvados_api_token] = session[:arvados_api_token]
154 rescue ArvadosApiClient::NotLoggedInException
155 try_redirect_to_login = true
158 logger.debug "No token received, session is #{session.inspect}"
160 if try_redirect_to_login
163 if request.method == 'GET'
164 redirect_to $arvados_api_client.arvados_login_url(return_to: request.url)
166 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."
171 @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.']
172 self.render_error status: 422
177 # Remove token in case this Thread is used for anything else.
178 Thread.current[:arvados_api_token] = nil
184 Link.where(uuid: 'just-verifying-my-api-token')
186 rescue ArvadosApiClient::NotLoggedInException
191 def ensure_current_user_is_admin
192 unless current_user and current_user.is_admin
193 @errors = ['Permission denied']
194 self.render_error status: 401