Class: Devise::FailureApp

Inherits:
ActionController::Metal
  • Object
show all
Includes:
ActionController::Redirecting, ActionController::UrlFor, Controllers::StoreLocation
Defined in:
lib/devise/failure_app.rb

Overview

Failure application that will be called every time :warden is thrown from any strategy or hook. Responsible for redirect the user to the sign in page based on current scope and mapping. If no scope is given, redirect to the default_url.

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Controllers::StoreLocation

#store_location_for, #stored_location_for

Class Method Details

.call(env) ⇒ Object 



19
20
21
22
 
# File 'lib/devise/failure_app.rb', line 19

def self.call(env)
  @respond ||= action(:respond)
  @respond.call(env)
end

.default_url_options(*args) ⇒ Object

Try retrieving the URL options from the parent controller (usually ApplicationController). Instance methods are not supported at the moment, so only the class-level attribute is used.



27
28
29
30
31
32
33
 
# File 'lib/devise/failure_app.rb', line 27

def self.default_url_options(*args)
  if defined?(Devise.parent_controller.constantize)
    Devise.parent_controller.constantize.try(:default_url_options) || {}
  else
    {}
  end
end

Instance Method Details

#attempted_path ⇒ Object (protected) 



228
229
230
 
# File 'lib/devise/failure_app.rb', line 228

def attempted_path
  warden_options[:attempted_path]
end

#http_auth ⇒ Object 



45
46
47
48
49
50
 
# File 'lib/devise/failure_app.rb', line 45

def http_auth
  self.status = 401
  self.headers["WWW-Authenticate"] = %(Basic realm=#{Devise.http_authentication_realm.inspect}) if http_auth_header?
  self.content_type = request.format.to_s
  self.response_body = http_auth_body
end

#http_auth? ⇒ Boolean (protected)

Choose whether we should respond in a http authentication fashion, including 401 and optional headers.

This method allows the user to explicitly disable http authentication on ajax requests in case they want to redirect on failures instead of handling the errors on their own. This is useful in case your ajax API is the same as your public API and uses a format like JSON (so you cannot mark JSON as a navigational format).

Returns:

  • (Boolean) 


175
176
177
178
179
180
181
 
# File 'lib/devise/failure_app.rb', line 175

def http_auth?
  if request.xhr?
    Devise.http_authenticatable_on_xhr
  else
    !(request_format && is_navigational_format?)
  end
end

#http_auth_body ⇒ Object (protected) 



189
190
191
192
193
194
195
196
197
198
199
 
# File 'lib/devise/failure_app.rb', line 189

def http_auth_body
  return i18n_message unless request_format
  method = "to_#{request_format}"
  if method == "to_xml"
    { error: i18n_message }.to_xml(root: "errors")
  elsif {}.respond_to?(method)
    { error: i18n_message }.send(method)
  else
    i18n_message
  end
end

#http_auth_header? ⇒ Boolean (protected)

It does not make sense to send authenticate headers in ajax requests or if the user disabled them.

Returns:

  • (Boolean) 


185
186
187
 
# File 'lib/devise/failure_app.rb', line 185

def http_auth_header?
  scope_class.http_authenticatable && !request.xhr?
end

#i18n_message(default = nil) ⇒ Object (protected) 



97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
 
# File 'lib/devise/failure_app.rb', line 97

def i18n_message(default = nil)
  message = warden_message || default || :unauthenticated

  if message.is_a?(Symbol)
    options = {}
    options[:resource_name] = scope
    options[:scope] = "devise.failure"
    options[:default] = [message]
    auth_keys = scope_class.authentication_keys
    keys = (auth_keys.respond_to?(:keys) ? auth_keys.keys : auth_keys).map { |key| scope_class.human_attribute_name(key) }
    options[:authentication_keys] = keys.join(I18n.translate(:"support.array.words_connector"))
    options = i18n_options(options)

    I18n.t(:"#{scope}.#{message}", options)
  else
    message.to_s
  end
end

#i18n_options(options) ⇒ Object (protected) 



93
94
95
 
# File 'lib/devise/failure_app.rb', line 93

def i18n_options(options)
  options
end

#is_flashing_format? ⇒ Boolean (protected)

Check if flash messages should be emitted. Default is to do it on navigational formats

Returns:

  • (Boolean) 


246
247
248
 
# File 'lib/devise/failure_app.rb', line 246

def is_flashing_format?
  is_navigational_format?
end

#is_navigational_format? ⇒ Boolean (protected)

Returns:

  • (Boolean) 


240
241
242
 
# File 'lib/devise/failure_app.rb', line 240

def is_navigational_format?
  Devise.navigational_formats.include?(request_format)
end

#recall ⇒ Object 



52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
 
# File 'lib/devise/failure_app.rb', line 52

def recall
  config = Rails.application.config

  header_info = if config.try(:relative_url_root)
    base_path = Pathname.new(config.relative_url_root)
    full_path = Pathname.new(attempted_path)

    { "SCRIPT_NAME" => config.relative_url_root,
      "PATH_INFO" => '/' + full_path.relative_path_from(base_path).to_s }
  else
    { "PATH_INFO" => attempted_path }
  end

  header_info.each do | var, value|
    if request.respond_to?(:set_header)
      request.set_header(var, value)
    else
      env[var]  = value
    end
  end

  flash.now[:alert] = i18n_message(:invalid) if is_flashing_format?
  # self.response = recall_app(warden_options[:recall]).call(env)
  self.response = recall_app(warden_options[:recall]).call(request.env)
end

#recall_app(app) ⇒ Object (protected) 



201
202
203
204
205
206
 
# File 'lib/devise/failure_app.rb', line 201

def recall_app(app)
  controller, action = app.split("#")
  controller_name  = ActiveSupport::Inflector.camelize(controller)
  controller_klass = ActiveSupport::Inflector.constantize("#{controller_name}Controller")
  controller_klass.action(action)
end

#redirect ⇒ Object 



78
79
80
81
82
83
84
85
86
87
88
89
 
# File 'lib/devise/failure_app.rb', line 78

def redirect
  store_location!
  if is_flashing_format?
    if flash[:timedout] && flash[:alert]
      flash.keep(:timedout)
      flash.keep(:alert)
    else
      flash[:alert] = i18n_message
    end
  end
  redirect_to redirect_url
end

#redirect_url ⇒ Object (protected) 



116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
 
# File 'lib/devise/failure_app.rb', line 116

def redirect_url
  if warden_message == :timeout
    flash[:timedout] = true if is_flashing_format?

    path = if request.get?
      attempted_path
    else
      request.referrer
    end

    path || scope_url
  else
    scope_url
  end
end

#request_format ⇒ Object (protected) 



250
251
252
 
# File 'lib/devise/failure_app.rb', line 250

def request_format
  @request_format ||= request.format.try(:ref)
end

#respond ⇒ Object 



35
36
37
38
39
40
41
42
43
 
# File 'lib/devise/failure_app.rb', line 35

def respond
  if http_auth?
    http_auth
  elsif warden_options[:recall]
    recall
  else
    redirect
  end
end

#route(scope) ⇒ Object (protected) 



132
133
134
 
# File 'lib/devise/failure_app.rb', line 132

def route(scope)
  :"new_#{scope}_session_url"
end

#scope ⇒ Object (protected) 



220
221
222
 
# File 'lib/devise/failure_app.rb', line 220

def scope
  @scope ||= warden_options[:scope] || Devise.default_scope
end

#scope_class ⇒ Object (protected) 



224
225
226
 
# File 'lib/devise/failure_app.rb', line 224

def scope_class
  @scope_class ||= Devise.mappings[scope].to
end

#scope_url ⇒ Object (protected) 



136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
 
# File 'lib/devise/failure_app.rb', line 136

def scope_url
  opts  = {}
  route = route(scope)
  opts[:format] = request_format unless skip_format?

  config = Rails.application.config

  if config.respond_to?(:relative_url_root)
    # Rails 4.2 goes into an infinite loop if opts[:script_name] is unset
    rails_4_2 = (Rails::VERSION::MAJOR >= 4) && (Rails::VERSION::MINOR >= 2)
    if config.relative_url_root.present? || rails_4_2
      opts[:script_name] = config.relative_url_root
    end
  end

  router_name = Devise.mappings[scope].router_name || Devise.available_router_name
  context = send(router_name)

  if context.respond_to?(route)
    context.send(route, opts)
  elsif respond_to?(:root_url)
    root_url(opts)
  else
    "/"
  end
end

#skip_format? ⇒ Boolean (protected)

Returns:

  • (Boolean) 


163
164
165
 
# File 'lib/devise/failure_app.rb', line 163

def skip_format?
  %w(html */*).include? request_format.to_s
end

#store_location! ⇒ Object (protected)

Stores requested uri to redirect the user after signing in. We cannot use scoped session provided by warden here, since the user is not authenticated yet, but we still need to store the uri based on scope, so different scopes would never use the same uri to redirect.



236
237
238
 
# File 'lib/devise/failure_app.rb', line 236

def store_location!
  store_location_for(scope, attempted_path) if request.get? && !http_auth?
end

#warden ⇒ Object (protected) 



208
209
210
 
# File 'lib/devise/failure_app.rb', line 208

def warden
  request.respond_to?(:get_header) ? request.get_header("warden") : env["warden"]
end

#warden_message ⇒ Object (protected) 



216
217
218
 
# File 'lib/devise/failure_app.rb', line 216

def warden_message
  @message ||= warden.message || warden_options[:message]
end

#warden_options ⇒ Object (protected) 



212
213
214
 
# File 'lib/devise/failure_app.rb', line 212

def warden_options
  request.respond_to?(:get_header) ? request.get_header("warden.options") : env["warden.options"]
end