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|
# Redmine - project management software
# Copyright (C) 2006-2013 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
include Redmine::Pagination
include RoutesHelper
helper :routes
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
before_filter :session_expiration, :user_setup, :check_if_login_required, :set_localization
rescue_from ActionController::InvalidAuthenticityToken, :with => :invalid_authenticity_token
rescue_from ::Unauthorized, :with => :deny_access
rescue_from ::ActionView::MissingTemplate, :with => :missing_template
include Redmine::Search::Controller
include Redmine::MenuManager::MenuController
helper Redmine::MenuManager::MenuHelper
def session_expiration
if session[:user_id]
if session_expired? && !try_to_autologin
reset_session
flash[:error] = l(:error_session_expired)
redirect_to signin_url
else
session[:atime] = Time.now.utc.to_i
end
end
end
def session_expired?
if Setting.session_lifetime?
unless session[:ctime] && (Time.now.utc.to_i - session[:ctime].to_i <= Setting.session_lifetime.to_i * 60)
return true
end
end
if Setting.session_timeout?
unless session[:atime] && (Time.now.utc.to_i - session[:atime].to_i <= Setting.session_timeout.to_i * 60)
return true
end
end
false
end
def start_user_session(user)
session[:user_id] = user.id
session[:ctime] = Time.now.utc.to_i
session[:atime] = Time.now.utc.to_i
end
def user_setup
# Check the settings cache for each request
Setting.check_cache
# Find the current user
User.current = find_current_user
logger.info(" Current user: " + (User.current.logged? ? "#{User.current.login} (id=#{User.current.id})" : "anonymous")) if logger
end
# Returns the current user or nil if no user is logged in
# and starts a session if needed
def find_current_user
user = nil
unless api_request?
if session[:user_id]
# existing session
user = (User.active.find(session[:user_id]) rescue nil)
elsif autologin_user = try_to_autologin
user = autologin_user
elsif params[:format] == 'atom' && params[:key] && request.get? && accept_rss_auth?
# RSS key authentication does not start a session
user = User.find_by_rss_key(params[:key])
end
end
if user.nil? && Setting.rest_api_enabled? && accept_api_auth?
if (key = api_key_from_request)
# Use API key
user = User.find_by_api_key(key)
else
# HTTP Basic, either username/password or API key/random
authenticate_with_http_basic do |username, password|
user = User.try_to_login(username, password) || User.find_by_api_key(username)
end
end
# Switch user if requested by an admin user
if user && user.admin? && (username = api_switch_user_from_request)
su = User.find_by_login(username)
if su && su.active?
logger.info(" User switched by: #{user.login} (id=#{user.id})") if logger
user = su
else
render_error :message => 'Invalid X-Redmine-Switch-User header', :status => 412
end
end
end
user
end
def try_to_autologin
if cookies[:autologin] && Setting.autologin?
# auto-login feature starts a new session
user = User.try_to_autologin(cookies[:autologin])
if user
reset_session
start_user_session(user)
end
user
end
end
# Sets the logged in user
def logged_user=(user)
reset_session
if user && user.is_a?(User)
User.current = user
start_user_session(user)
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
# Find the issue whose id is the :id parameter
# Raises a Unauthorized exception if the issue is not visible
def find_issue
# Issue.visible.find(...) can not be used to redirect user to the login form
# if the issue actually exists but requires authentication
@issue = Issue.find(params[:id])
raise Unauthorized unless @issue.visible?
@project = @issue.project
rescue ActiveRecord::RecordNotFound
render_404
end
# Find issues with a single :id param or :ids array param
# Raises a Unauthorized exception if one of the issues is not visible
def find_issues
@issues = Issue.find_all_by_id(params[:id] || params[:ids])
raise ActiveRecord::RecordNotFound if @issues.empty?
raise Unauthorized unless @issues.all?(&:visible?)
@projects = @issues.collect(&:project).compact.uniq
@project = @projects.first if @projects.size == 1
rescue ActiveRecord::RecordNotFound
render_404
end
def find_attachments
if (attachments = params[:attachments]).present?
att = attachments.values.collect do |attachment|
Attachment.find_by_token( attachment[:token] ) if attachment[:token].present?
end
att.compact!
end
@attachments = att || []
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.archived?
if @project.visible?
true
else
deny_access
end
else
@project = nil
render_404
false
end
end
def back_url
url = params[:back_url]
if url.nil? && referer = request.env['HTTP_REFERER']
url = CGI.unescape(referer.to_s)
end
url
end
def redirect_back_or_default(default)
back_url = params[:back_url].to_s
if back_url.present?
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
logger.warn("Could not redirect to invalid URL #{back_url}")
# 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.any { head @status }
end
end
# Handler for ActionView::MissingTemplate exception
def missing_template
logger.warn "Missing template, responding with 404"
@project = nil
render_404
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", :formats => [: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].to_s
elsif request.headers["X-Redmine-API-Key"].present?
request.headers["X-Redmine-API-Key"].to_s
end
end
# Returns the API 'switch user' value if present
def api_switch_user_from_request
request.headers["X-Redmine-Switch-User"].to_s.presence
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 a 200 response for successfull updates or deletions via the API
def render_api_ok
render_api_head :ok
end
# Renders a head API response
def render_api_head(status)
# #head would return a response body with one space
render :text => '', :status => status, :layout => nil
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
|