555 lines
16 KiB
Ruby
555 lines
16 KiB
Ruby
# Redmine - project management software
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# Copyright (C) 2006-2012 Jean-Philippe Lang
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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require 'uri'
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require 'cgi'
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class Unauthorized < Exception; end
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class ApplicationController < ActionController::Base
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include Redmine::I18n
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class_attribute :accept_api_auth_actions
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class_attribute :accept_rss_auth_actions
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class_attribute :model_object
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layout 'base'
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protect_from_forgery
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def handle_unverified_request
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super
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cookies.delete(:autologin)
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end
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before_filter :session_expiration, :user_setup, :check_if_login_required, :set_localization
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rescue_from ActionController::InvalidAuthenticityToken, :with => :invalid_authenticity_token
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rescue_from ::Unauthorized, :with => :deny_access
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rescue_from ::ActionView::MissingTemplate, :with => :missing_template
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include Redmine::Search::Controller
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include Redmine::MenuManager::MenuController
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helper Redmine::MenuManager::MenuHelper
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def session_expiration
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if session[:user_id]
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if session_expired? && !try_to_autologin
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reset_session
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flash[:error] = l(:error_session_expired)
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redirect_to signin_url
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else
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session[:atime] = Time.now.utc.to_i
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end
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end
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end
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def session_expired?
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if Setting.session_lifetime?
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unless session[:ctime] && (Time.now.utc.to_i - session[:ctime].to_i <= Setting.session_lifetime.to_i * 60)
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return true
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end
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end
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if Setting.session_timeout?
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unless session[:atime] && (Time.now.utc.to_i - session[:atime].to_i <= Setting.session_timeout.to_i * 60)
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return true
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end
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end
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false
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end
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def start_user_session(user)
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session[:user_id] = user.id
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session[:ctime] = Time.now.utc.to_i
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session[:atime] = Time.now.utc.to_i
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end
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def user_setup
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# Check the settings cache for each request
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Setting.check_cache
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# Find the current user
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User.current = find_current_user
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end
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# Returns the current user or nil if no user is logged in
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# and starts a session if needed
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def find_current_user
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user = nil
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unless api_request?
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if session[:user_id]
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# existing session
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user = (User.active.find(session[:user_id]) rescue nil)
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elsif autologin_user = try_to_autologin
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user = autologin_user
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elsif params[:format] == 'atom' && params[:key] && request.get? && accept_rss_auth?
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# RSS key authentication does not start a session
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user = User.find_by_rss_key(params[:key])
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end
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end
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if user.nil? && Setting.rest_api_enabled? && accept_api_auth?
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if (key = api_key_from_request)
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# Use API key
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user = User.find_by_api_key(key)
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else
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# HTTP Basic, either username/password or API key/random
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authenticate_with_http_basic do |username, password|
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user = User.try_to_login(username, password) || User.find_by_api_key(username)
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end
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end
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end
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user
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end
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def try_to_autologin
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if cookies[:autologin] && Setting.autologin?
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# auto-login feature starts a new session
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user = User.try_to_autologin(cookies[:autologin])
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if user
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reset_session
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start_user_session(user)
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end
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user
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end
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end
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# Sets the logged in user
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def logged_user=(user)
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reset_session
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if user && user.is_a?(User)
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User.current = user
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start_user_session(user)
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else
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User.current = User.anonymous
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end
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end
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# Logs out current user
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def logout_user
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if User.current.logged?
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cookies.delete :autologin
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Token.delete_all(["user_id = ? AND action = ?", User.current.id, 'autologin'])
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self.logged_user = nil
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end
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end
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# check if login is globally required to access the application
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def check_if_login_required
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# no check needed if user is already logged in
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return true if User.current.logged?
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require_login if Setting.login_required?
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end
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def set_localization
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lang = nil
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if User.current.logged?
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lang = find_language(User.current.language)
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end
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if lang.nil? && request.env['HTTP_ACCEPT_LANGUAGE']
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accept_lang = parse_qvalues(request.env['HTTP_ACCEPT_LANGUAGE']).first
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if !accept_lang.blank?
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accept_lang = accept_lang.downcase
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lang = find_language(accept_lang) || find_language(accept_lang.split('-').first)
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end
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end
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lang ||= Setting.default_language
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set_language_if_valid(lang)
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end
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def require_login
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if !User.current.logged?
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# Extract only the basic url parameters on non-GET requests
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if request.get?
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url = url_for(params)
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else
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url = url_for(:controller => params[:controller], :action => params[:action], :id => params[:id], :project_id => params[:project_id])
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end
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respond_to do |format|
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format.html { redirect_to :controller => "account", :action => "login", :back_url => url }
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format.atom { redirect_to :controller => "account", :action => "login", :back_url => url }
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format.xml { head :unauthorized, 'WWW-Authenticate' => 'Basic realm="Redmine API"' }
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format.js { head :unauthorized, 'WWW-Authenticate' => 'Basic realm="Redmine API"' }
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format.json { head :unauthorized, 'WWW-Authenticate' => 'Basic realm="Redmine API"' }
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end
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return false
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end
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true
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end
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def require_admin
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return unless require_login
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if !User.current.admin?
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render_403
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return false
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end
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true
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end
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def deny_access
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User.current.logged? ? render_403 : require_login
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end
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# Authorize the user for the requested action
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def authorize(ctrl = params[:controller], action = params[:action], global = false)
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allowed = User.current.allowed_to?({:controller => ctrl, :action => action}, @project || @projects, :global => global)
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if allowed
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true
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else
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if @project && @project.archived?
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render_403 :message => :notice_not_authorized_archived_project
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else
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deny_access
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end
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end
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end
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# Authorize the user for the requested action outside a project
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def authorize_global(ctrl = params[:controller], action = params[:action], global = true)
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authorize(ctrl, action, global)
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end
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# Find project of id params[:id]
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def find_project
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@project = Project.find(params[:id])
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rescue ActiveRecord::RecordNotFound
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render_404
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end
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# Find project of id params[:project_id]
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def find_project_by_project_id
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@project = Project.find(params[:project_id])
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rescue ActiveRecord::RecordNotFound
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render_404
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end
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# Find a project based on params[:project_id]
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# TODO: some subclasses override this, see about merging their logic
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def find_optional_project
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@project = Project.find(params[:project_id]) unless params[:project_id].blank?
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allowed = User.current.allowed_to?({:controller => params[:controller], :action => params[:action]}, @project, :global => true)
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allowed ? true : deny_access
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rescue ActiveRecord::RecordNotFound
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render_404
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end
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# Finds and sets @project based on @object.project
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def find_project_from_association
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render_404 unless @object.present?
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@project = @object.project
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end
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def find_model_object
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model = self.class.model_object
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if model
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@object = model.find(params[:id])
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self.instance_variable_set('@' + controller_name.singularize, @object) if @object
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end
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rescue ActiveRecord::RecordNotFound
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render_404
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end
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def self.model_object(model)
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self.model_object = model
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end
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# Filter for bulk issue operations
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def find_issues
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@issues = Issue.find_all_by_id(params[:id] || params[:ids])
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raise ActiveRecord::RecordNotFound if @issues.empty?
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if @issues.detect {|issue| !issue.visible?}
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deny_access
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return
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end
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@projects = @issues.collect(&:project).compact.uniq
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@project = @projects.first if @projects.size == 1
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rescue ActiveRecord::RecordNotFound
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render_404
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end
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# make sure that the user is a member of the project (or admin) if project is private
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# used as a before_filter for actions that do not require any particular permission on the project
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def check_project_privacy
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if @project && !@project.archived?
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if @project.visible?
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true
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else
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deny_access
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end
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else
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@project = nil
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render_404
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false
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end
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end
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def back_url
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params[:back_url] || request.env['HTTP_REFERER']
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end
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def redirect_back_or_default(default)
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back_url = params[:back_url].to_s
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if !back_url.blank?
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begin
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uri = URI.parse(back_url)
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# do not redirect user to another host or to the login or register page
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if (uri.relative? || (uri.host == request.host)) && !uri.path.match(%r{/(login|account/register)})
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redirect_to(back_url)
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return
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end
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rescue URI::InvalidURIError
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# redirect to default
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end
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end
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redirect_to default
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false
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end
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# Redirects to the request referer if present, redirects to args or call block otherwise.
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def redirect_to_referer_or(*args, &block)
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redirect_to :back
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rescue ::ActionController::RedirectBackError
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if args.any?
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redirect_to *args
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elsif block_given?
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block.call
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else
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raise "#redirect_to_referer_or takes arguments or a block"
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end
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end
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def render_403(options={})
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@project = nil
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render_error({:message => :notice_not_authorized, :status => 403}.merge(options))
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return false
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end
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def render_404(options={})
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render_error({:message => :notice_file_not_found, :status => 404}.merge(options))
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return false
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end
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# Renders an error response
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def render_error(arg)
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arg = {:message => arg} unless arg.is_a?(Hash)
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@message = arg[:message]
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@message = l(@message) if @message.is_a?(Symbol)
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@status = arg[:status] || 500
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respond_to do |format|
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format.html {
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render :template => 'common/error', :layout => use_layout, :status => @status
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}
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format.any { head @status }
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end
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end
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# Handler for ActionView::MissingTemplate exception
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def missing_template
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logger.warn "Missing template, responding with 404"
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@project = nil
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render_404
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end
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# Filter for actions that provide an API response
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# but have no HTML representation for non admin users
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def require_admin_or_api_request
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return true if api_request?
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if User.current.admin?
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true
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elsif User.current.logged?
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render_error(:status => 406)
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else
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deny_access
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end
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end
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# Picks which layout to use based on the request
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#
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# @return [boolean, string] name of the layout to use or false for no layout
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def use_layout
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request.xhr? ? false : 'base'
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end
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def invalid_authenticity_token
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if api_request?
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logger.error "Form authenticity token is missing or is invalid. API calls must include a proper Content-type header (text/xml or text/json)."
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end
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render_error "Invalid form authenticity token."
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end
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def render_feed(items, options={})
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@items = items || []
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@items.sort! {|x,y| y.event_datetime <=> x.event_datetime }
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@items = @items.slice(0, Setting.feeds_limit.to_i)
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@title = options[:title] || Setting.app_title
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render :template => "common/feed.atom", :layout => false,
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:content_type => 'application/atom+xml'
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end
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def self.accept_rss_auth(*actions)
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if actions.any?
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self.accept_rss_auth_actions = actions
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else
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self.accept_rss_auth_actions || []
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end
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end
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def accept_rss_auth?(action=action_name)
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self.class.accept_rss_auth.include?(action.to_sym)
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end
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def self.accept_api_auth(*actions)
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if actions.any?
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self.accept_api_auth_actions = actions
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else
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self.accept_api_auth_actions || []
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end
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end
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def accept_api_auth?(action=action_name)
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self.class.accept_api_auth.include?(action.to_sym)
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end
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# Returns the number of objects that should be displayed
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# on the paginated list
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def per_page_option
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per_page = nil
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if params[:per_page] && Setting.per_page_options_array.include?(params[:per_page].to_s.to_i)
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per_page = params[:per_page].to_s.to_i
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session[:per_page] = per_page
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elsif session[:per_page]
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per_page = session[:per_page]
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else
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per_page = Setting.per_page_options_array.first || 25
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end
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per_page
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end
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# Returns offset and limit used to retrieve objects
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# for an API response based on offset, limit and page parameters
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def api_offset_and_limit(options=params)
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if options[:offset].present?
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offset = options[:offset].to_i
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if offset < 0
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offset = 0
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end
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end
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limit = options[:limit].to_i
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if limit < 1
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limit = 25
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elsif limit > 100
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limit = 100
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end
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if offset.nil? && options[:page].present?
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offset = (options[:page].to_i - 1) * limit
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offset = 0 if offset < 0
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end
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offset ||= 0
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[offset, limit]
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end
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# qvalues http header parser
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# code taken from webrick
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def parse_qvalues(value)
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tmp = []
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if value
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parts = value.split(/,\s*/)
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parts.each {|part|
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if m = %r{^([^\s,]+?)(?:;\s*q=(\d+(?:\.\d+)?))?$}.match(part)
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val = m[1]
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q = (m[2] or 1).to_f
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tmp.push([val, q])
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end
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}
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tmp = tmp.sort_by{|val, q| -q}
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tmp.collect!{|val, q| val}
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end
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return tmp
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rescue
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nil
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end
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# Returns a string that can be used as filename value in Content-Disposition header
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def filename_for_content_disposition(name)
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request.env['HTTP_USER_AGENT'] =~ %r{MSIE} ? ERB::Util.url_encode(name) : name
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end
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def api_request?
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%w(xml json).include? params[:format]
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end
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# Returns the API key present in the request
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def api_key_from_request
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if params[:key].present?
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params[:key].to_s
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elsif request.headers["X-Redmine-API-Key"].present?
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request.headers["X-Redmine-API-Key"].to_s
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end
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end
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# Renders a warning flash if obj has unsaved attachments
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def render_attachment_warning_if_needed(obj)
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flash[:warning] = l(:warning_attachments_not_saved, obj.unsaved_attachments.size) if obj.unsaved_attachments.present?
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end
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# Sets the `flash` notice or error based the number of issues that did not save
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#
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# @param [Array, Issue] issues all of the saved and unsaved Issues
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# @param [Array, Integer] unsaved_issue_ids the issue ids that were not saved
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def set_flash_from_bulk_issue_save(issues, unsaved_issue_ids)
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if unsaved_issue_ids.empty?
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flash[:notice] = l(:notice_successful_update) unless issues.empty?
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else
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flash[:error] = l(:notice_failed_to_save_issues,
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:count => unsaved_issue_ids.size,
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:total => issues.size,
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:ids => '#' + unsaved_issue_ids.join(', #'))
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end
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end
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# Rescues an invalid query statement. Just in case...
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def query_statement_invalid(exception)
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logger.error "Query::StatementInvalid: #{exception.message}" if logger
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session.delete(:query)
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sort_clear if respond_to?(:sort_clear)
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render_error "An error occurred while executing the query and has been logged. Please report this error to your Redmine administrator."
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end
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# Renders a 200 response for successfull updates or deletions via the API
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def render_api_ok
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# head :ok would return a response body with one space
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render :text => '', :status => :ok, :layout => nil
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end
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# Renders API response on validation failure
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def render_validation_errors(objects)
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if objects.is_a?(Array)
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@error_messages = objects.map {|object| object.errors.full_messages}.flatten
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|
else
|
|
@error_messages = objects.errors.full_messages
|
|
end
|
|
render :template => 'common/error_messages.api', :status => :unprocessable_entity, :layout => nil
|
|
end
|
|
|
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# 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
|