summaryrefslogtreecommitdiffstats
path: root/app/controllers/application_controller.rb
blob: f560bae86f5655c8b496028af72f6b14c30b49f4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
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
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
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
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
# Redmine - project management software
# Copyright (C) 2006-2011  Jean-Philippe Lang
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

require 'uri'
require 'cgi'

class Unauthorized < Exception; end

class ApplicationController < ActionController::Base
  include Redmine::I18n
  
  class_attribute :accept_api_auth_actions
  class_attribute :accept_rss_auth_actions
  class_attribute :model_object

  layout 'base'

  protect_from_forgery
  def handle_unverified_request
    super
    cookies.delete(:autologin)
  end
  # Remove broken cookie after upgrade from 0.8.x (#4292)
  # See https://rails.lighthouseapp.com/projects/8994/tickets/3360
  # TODO: remove it when Rails is fixed
  before_filter :delete_broken_cookies
  def delete_broken_cookies
    if cookies['_redmine_session'] && cookies['_redmine_session'] !~ /--/
      cookies.delete '_redmine_session'
      redirect_to home_path
      return false
    end
  end

  before_filter :user_setup, :check_if_login_required, :set_localization

  rescue_from ActionController::InvalidAuthenticityToken, :with => :invalid_authenticity_token
  rescue_from ::Unauthorized, :with => :deny_access

  include Redmine::Search::Controller
  include Redmine::MenuManager::MenuController
  helper Redmine::MenuManager::MenuHelper

  def user_setup
    # Check the settings cache for each request
    Setting.check_cache
    # Find the current user
    User.current = find_current_user
  end

  # Returns the current user or nil if no user is logged in
  # and starts a session if needed
  def find_current_user
    if session[:user_id]
      # existing session
      (User.active.find(session[:user_id]) rescue nil)
    elsif cookies[:autologin] && Setting.autologin?
      # auto-login feature starts a new session
      user = User.try_to_autologin(cookies[:autologin])
      session[:user_id] = user.id if user
      user
    elsif params[:format] == 'atom' && params[:key] && request.get? && accept_rss_auth?
      # RSS key authentication does not start a session
      User.find_by_rss_key(params[:key])
    elsif Setting.rest_api_enabled? && accept_api_auth?
      if (key = api_key_from_request)
        # Use API key
        User.find_by_api_key(key)
      else
        # HTTP Basic, either username/password or API key/random
        authenticate_with_http_basic do |username, password|
          User.try_to_login(username, password) || User.find_by_api_key(username)
        end
      end
    end
  end

  # Sets the logged in user
  def logged_user=(user)
    reset_session
    if user && user.is_a?(User)
      User.current = user
      session[:user_id] = user.id
    else
      User.current = User.anonymous
    end
  end

  # Logs out current user
  def logout_user
    if User.current.logged?
      cookies.delete :autologin
      Token.delete_all(["user_id = ? AND action = ?", User.current.id, 'autologin'])
      self.logged_user = nil
    end
  end

  # check if login is globally required to access the application
  def check_if_login_required
    # no check needed if user is already logged in
    return true if User.current.logged?
    require_login if Setting.login_required?
  end

  def set_localization
    lang = nil
    if User.current.logged?
      lang = find_language(User.current.language)
    end
    if lang.nil? && request.env['HTTP_ACCEPT_LANGUAGE']
      accept_lang = parse_qvalues(request.env['HTTP_ACCEPT_LANGUAGE']).first
      if !accept_lang.blank?
        accept_lang = accept_lang.downcase
        lang = find_language(accept_lang) || find_language(accept_lang.split('-').first)
      end
    end
    lang ||= Setting.default_language
    set_language_if_valid(lang)
  end

  def require_login
    if !User.current.logged?
      # Extract only the basic url parameters on non-GET requests
      if request.get?
        url = url_for(params)
      else
        url = url_for(:controller => params[:controller], :action => params[:action], :id => params[:id], :project_id => params[:project_id])
      end
      respond_to do |format|
        format.html { redirect_to :controller => "account", :action => "login", :back_url => url }
        format.atom { redirect_to :controller => "account", :action => "login", :back_url => url }
        format.xml  { head :unauthorized, 'WWW-Authenticate' => 'Basic realm="Redmine API"' }
        format.js   { head :unauthorized, 'WWW-Authenticate' => 'Basic realm="Redmine API"' }
        format.json { head :unauthorized, 'WWW-Authenticate' => 'Basic realm="Redmine API"' }
      end
      return false
    end
    true
  end

  def require_admin
    return unless require_login
    if !User.current.admin?
      render_403
      return false
    end
    true
  end

  def deny_access
    User.current.logged? ? render_403 : require_login
  end

  # Authorize the user for the requested action
  def authorize(ctrl = params[:controller], action = params[:action], global = false)
    allowed = User.current.allowed_to?({:controller => ctrl, :action => action}, @project || @projects, :global => global)
    if allowed
      true
    else
      if @project && @project.archived?
        render_403 :message => :notice_not_authorized_archived_project
      else
        deny_access
      end
    end
  end

  # Authorize the user for the requested action outside a project
  def authorize_global(ctrl = params[:controller], action = params[:action], global = true)
    authorize(ctrl, action, global)
  end

  # Find project of id params[:id]
  def find_project
    @project = Project.find(params[:id])
  rescue ActiveRecord::RecordNotFound
    render_404
  end

  # Find project of id params[:project_id]
  def find_project_by_project_id
    @project = Project.find(params[:project_id])
  rescue ActiveRecord::RecordNotFound
    render_404
  end

  # Find a project based on params[:project_id]
  # TODO: some subclasses override this, see about merging their logic
  def find_optional_project
    @project = Project.find(params[:project_id]) unless params[:project_id].blank?
    allowed = User.current.allowed_to?({:controller => params[:controller], :action => params[:action]}, @project, :global => true)
    allowed ? true : deny_access
  rescue ActiveRecord::RecordNotFound
    render_404
  end

  # Finds and sets @project based on @object.project
  def find_project_from_association
    render_404 unless @object.present?

    @project = @object.project
  end

  def find_model_object
    model = self.class.model_object
    if model
      @object = model.find(params[:id])
      self.instance_variable_set('@' + controller_name.singularize, @object) if @object
    end
  rescue ActiveRecord::RecordNotFound
    render_404
  end

  def self.model_object(model)
    self.model_object = model
  end

  # Filter for bulk issue operations
  def find_issues
    @issues = Issue.find_all_by_id(params[:id] || params[:ids])
    raise ActiveRecord::RecordNotFound if @issues.empty?
    if @issues.detect {|issue| !issue.visible?}
      deny_access
      return
    end
    @projects = @issues.collect(&:project).compact.uniq
    @project = @projects.first if @projects.size == 1
  rescue ActiveRecord::RecordNotFound
    render_404
  end

  # make sure that the user is a member of the project (or admin) if project is private
  # used as a before_filter for actions that do not require any particular permission on the project
  def check_project_privacy
    if @project && @project.active?
      if @project.visible?
        true
      else
        deny_access
      end
    else
      @project = nil
      render_404
      false
    end
  end

  def back_url
    params[:back_url] || request.env['HTTP_REFERER']
  end

  def redirect_back_or_default(default)
    back_url = CGI.unescape(params[:back_url].to_s)
    if !back_url.blank?
      begin
        uri = URI.parse(back_url)
        # do not redirect user to another host or to the login or register page
        if (uri.relative? || (uri.host == request.host)) && !uri.path.match(%r{/(login|account/register)})
          redirect_to(back_url)
          return
        end
      rescue URI::InvalidURIError
        # redirect to default
      end
    end
    redirect_to default
    false
  end

  # Redirects to the request referer if present, redirects to args or call block otherwise.
  def redirect_to_referer_or(*args, &block)
    redirect_to :back
  rescue ::ActionController::RedirectBackError
    if args.any?
      redirect_to *args
    elsif block_given?
      block.call
    else
      raise "#redirect_to_referer_or takes arguments or a block"
    end
  end

  def render_403(options={})
    @project = nil
    render_error({:message => :notice_not_authorized, :status => 403}.merge(options))
    return false
  end

  def render_404(options={})
    render_error({:message => :notice_file_not_found, :status => 404}.merge(options))
    return false
  end

  # Renders an error response
  def render_error(arg)
    arg = {:message => arg} unless arg.is_a?(Hash)

    @message = arg[:message]
    @message = l(@message) if @message.is_a?(Symbol)
    @status = arg[:status] || 500

    respond_to do |format|
      format.html {
        render :template => 'common/error', :layout => use_layout, :status => @status
      }
      format.atom { head @status }
      format.xml { head @status }
      format.js { head @status }
      format.json { head @status }
    end
  end
  
  # Filter for actions that provide an API response
  # but have no HTML representation for non admin users
  def require_admin_or_api_request
    return true if api_request?
    if User.current.admin?
      true
    elsif User.current.logged?
      render_error(:status => 406)
    else
      deny_access
    end
  end

  # Picks which layout to use based on the request
  #
  # @return [boolean, string] name of the layout to use or false for no layout
  def use_layout
    request.xhr? ? false : 'base'
  end

  def invalid_authenticity_token
    if api_request?
      logger.error "Form authenticity token is missing or is invalid. API calls must include a proper Content-type header (text/xml or text/json)."
    end
    render_error "Invalid form authenticity token."
  end

  def render_feed(items, options={})
    @items = items || []
    @items.sort! {|x,y| y.event_datetime <=> x.event_datetime }
    @items = @items.slice(0, Setting.feeds_limit.to_i)
    @title = options[:title] || Setting.app_title
    render :template => "common/feed.atom", :layout => false,
           :content_type => 'application/atom+xml'
  end

  def self.accept_rss_auth(*actions)
    if actions.any?
      self.accept_rss_auth_actions = actions
    else
      self.accept_rss_auth_actions || []
    end
  end

  def accept_rss_auth?(action=action_name)
    self.class.accept_rss_auth.include?(action.to_sym)
  end

  def self.accept_api_auth(*actions)
    if actions.any?
      self.accept_api_auth_actions = actions
    else
      self.accept_api_auth_actions || []
    end
  end

  def accept_api_auth?(action=action_name)
    self.class.accept_api_auth.include?(action.to_sym)
  end

  # Returns the number of objects that should be displayed
  # on the paginated list
  def per_page_option
    per_page = nil
    if params[:per_page] && Setting.per_page_options_array.include?(params[:per_page].to_s.to_i)
      per_page = params[:per_page].to_s.to_i
      session[:per_page] = per_page
    elsif session[:per_page]
      per_page = session[:per_page]
    else
      per_page = Setting.per_page_options_array.first || 25
    end
    per_page
  end

  # Returns offset and limit used to retrieve objects
  # for an API response based on offset, limit and page parameters
  def api_offset_and_limit(options=params)
    if options[:offset].present?
      offset = options[:offset].to_i
      if offset < 0
        offset = 0
      end
    end
    limit = options[:limit].to_i
    if limit < 1
      limit = 25
    elsif limit > 100
      limit = 100
    end
    if offset.nil? && options[:page].present?
      offset = (options[:page].to_i - 1) * limit
      offset = 0 if offset < 0
    end
    offset ||= 0

    [offset, limit]
  end

  # qvalues http header parser
  # code taken from webrick
  def parse_qvalues(value)
    tmp = []
    if value
      parts = value.split(/,\s*/)
      parts.each {|part|
        if m = %r{^([^\s,]+?)(?:;\s*q=(\d+(?:\.\d+)?))?$}.match(part)
          val = m[1]
          q = (m[2] or 1).to_f
          tmp.push([val, q])
        end
      }
      tmp = tmp.sort_by{|val, q| -q}
      tmp.collect!{|val, q| val}
    end
    return tmp
  rescue
    nil
  end

  # Returns a string that can be used as filename value in Content-Disposition header
  def filename_for_content_disposition(name)
    request.env['HTTP_USER_AGENT'] =~ %r{MSIE} ? ERB::Util.url_encode(name) : name
  end

  def api_request?
    %w(xml json).include? params[:format]
  end

  # Returns the API key present in the request
  def api_key_from_request
    if params[:key].present?
      params[:key]
    elsif request.headers["X-Redmine-API-Key"].present?
      request.headers["X-Redmine-API-Key"]
    end
  end

  # Renders a warning flash if obj has unsaved attachments
  def render_attachment_warning_if_needed(obj)
    flash[:warning] = l(:warning_attachments_not_saved, obj.unsaved_attachments.size) if obj.unsaved_attachments.present?
  end

  # Sets the `flash` notice or error based the number of issues that did not save
  #
  # @param [Array, Issue] issues all of the saved and unsaved Issues
  # @param [Array, Integer] unsaved_issue_ids the issue ids that were not saved
  def set_flash_from_bulk_issue_save(issues, unsaved_issue_ids)
    if unsaved_issue_ids.empty?
      flash[:notice] = l(:notice_successful_update) unless issues.empty?
    else
      flash[:error] = l(:notice_failed_to_save_issues,
                        :count => unsaved_issue_ids.size,
                        :total => issues.size,
                        :ids => '#' + unsaved_issue_ids.join(', #'))
    end
  end

  # Rescues an invalid query statement. Just in case...
  def query_statement_invalid(exception)
    logger.error "Query::StatementInvalid: #{exception.message}" if logger
    session.delete(:query)
    sort_clear if respond_to?(:sort_clear)
    render_error "An error occurred while executing the query and has been logged. Please report this error to your Redmine administrator."
  end

  # Renders API response on validation failure
  def render_validation_errors(objects)
    if objects.is_a?(Array)
      @error_messages = objects.map {|object| object.errors.full_messages}.flatten
    else
      @error_messages = objects.errors.full_messages
    end
    render :template => 'common/error_messages.api', :status => :unprocessable_entity, :layout => nil
  end

  # Overrides #_include_layout? so that #render with no arguments
  # doesn't use the layout for api requests
  def _include_layout?(*args)
    api_request? ? false : super
  end
end