jro_apps/redmine Commit - r2917:8267ded518d9

Allow [#id] as subject to reply by email (#3653)....

Jean-Philippe Lang -

r2917:8267ded518d9

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r2917:8267ded518d9

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app/models/mail_handler.rb +2 -2

              # redMine - project management software
              # Copyright (C) 2006-2007  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.
              class MailHandler < ActionMailer::Base
                include ActionView::Helpers::SanitizeHelper
                class UnauthorizedAction < StandardError; end
                class MissingInformation < StandardError; end
                attr_reader :email, :user
                def self.receive(email, options={})
                  @@handler_options = options.dup
                  @@handler_options[:issue] ||= {}
                  @@handler_options[:allow_override] = @@handler_options[:allow_override].split(',').collect(&:strip) if @@handler_options[:allow_override].is_a?(String)
                  @@handler_options[:allow_override] ||= []
                  # Project needs to be overridable if not specified
                  @@handler_options[:allow_override] << 'project' unless @@handler_options[:issue].has_key?(:project)
                  # Status overridable by default
                  @@handler_options[:allow_override] << 'status' unless @@handler_options[:issue].has_key?(:status)
                  super email
                end
                # Processes incoming emails
                # Returns the created object (eg. an issue, a message) or false
                def receive(email)
                  @email = email
                  sender_email = email.from.to_a.first.to_s.strip
                  # Ignore emails received from the application emission address to avoid hell cycles
                  if sender_email.downcase == Setting.mail_from.to_s.strip.downcase
                    logger.info  "MailHandler: ignoring email from Redmine emission address [#{sender_email}]" if logger && logger.info
                    return false
                  end
                  @user = User.find_by_mail(sender_email)
                  if @user && !@user.active?
                    logger.info  "MailHandler: ignoring email from non-active user [#{@user.login}]" if logger && logger.info
                    return false
                  end
                  if @user.nil?
                    # Email was submitted by an unknown user
                    case @@handler_options[:unknown_user]
                    when 'accept'
                      @user = User.anonymous
                    when 'create'
                      @user = MailHandler.create_user_from_email(email)
                      if @user
                        logger.info "MailHandler: [#{@user.login}] account created" if logger && logger.info
                        Mailer.deliver_account_information(@user, @user.password)
                      else
                        logger.error "MailHandler: could not create account for [#{sender_email}]" if logger && logger.error
                        return false
                      end
                    else
                      # Default behaviour, emails from unknown users are ignored
                      logger.info  "MailHandler: ignoring email from unknown user [#{sender_email}]" if logger && logger.info
                      return false
                    end
                  end
                  User.current = @user
                  dispatch
                end
                private
                MESSAGE_ID_RE = %r{^<redmine\.([a-z0-9_]+)\-(\d+)\.\d+@}
-               ISSUE_REPLY_SUBJECT_RE = %r{\[[^\]]+#(\d+)\]}
-               MESSAGE_REPLY_SUBJECT_RE = %r{\[[^\]]+msg(\d+)\]}
+               ISSUE_REPLY_SUBJECT_RE = %r{\[[^\]]*#(\d+)\]}
+               MESSAGE_REPLY_SUBJECT_RE = %r{\[[^\]]*msg(\d+)\]}
                def dispatch
                  headers = [email.in_reply_to, email.references].flatten.compact
                  if headers.detect {|h| h.to_s =~ MESSAGE_ID_RE}
                    klass, object_id = $1, $2.to_i
                    method_name = "receive_#{klass}_reply"
                    if self.class.private_instance_methods.collect(&:to_s).include?(method_name)
                      send method_name, object_id
                    else
                      # ignoring it
                    end
                  elsif m = email.subject.match(ISSUE_REPLY_SUBJECT_RE)
                    receive_issue_reply(m[1].to_i)
                  elsif m = email.subject.match(MESSAGE_REPLY_SUBJECT_RE)
                    receive_message_reply(m[1].to_i)
                  else
                    receive_issue
                  end
                rescue ActiveRecord::RecordInvalid => e
                  # TODO: send a email to the user
                  logger.error e.message if logger
                  false
                rescue MissingInformation => e
                  logger.error "MailHandler: missing information from #{user}: #{e.message}" if logger
                  false
                rescue UnauthorizedAction => e
                  logger.error "MailHandler: unauthorized attempt from #{user}" if logger
                  false
                end
                # Creates a new issue
                def receive_issue
                  project = target_project
                  tracker = (get_keyword(:tracker) && project.trackers.find_by_name(get_keyword(:tracker))) || project.trackers.find(:first)
                  category = (get_keyword(:category) && project.issue_categories.find_by_name(get_keyword(:category)))
                  priority = (get_keyword(:priority) && IssuePriority.find_by_name(get_keyword(:priority)))
                  status =  (get_keyword(:status) && IssueStatus.find_by_name(get_keyword(:status)))
                  # check permission
                  raise UnauthorizedAction unless user.allowed_to?(:add_issues, project)
                  issue = Issue.new(:author => user, :project => project, :tracker => tracker, :category => category, :priority => priority)
                  # check workflow
                  if status && issue.new_statuses_allowed_to(user).include?(status)
                    issue.status = status
                  end
                  issue.subject = email.subject.chomp
                  issue.subject = issue.subject.toutf8 if issue.subject.respond_to?(:toutf8)
                  if issue.subject.blank?
                    issue.subject = '(no subject)'
                  end
                  issue.description = plain_text_body
                  # custom fields
                  issue.custom_field_values = issue.available_custom_fields.inject({}) do |h, c|
                    if value = get_keyword(c.name, :override => true)
                      h[c.id] = value
                    end
                    h
                  end
                  # add To and Cc as watchers before saving so the watchers can reply to Redmine
                  add_watchers(issue)
                  issue.save!
                  add_attachments(issue)
                  logger.info "MailHandler: issue ##{issue.id} created by #{user}" if logger && logger.info
                  issue
                end
                def target_project
                  # TODO: other ways to specify project:
                  # * parse the email To field
                  # * specific project (eg. Setting.mail_handler_target_project)
                  target = Project.find_by_identifier(get_keyword(:project))
                  raise MissingInformation.new('Unable to determine target project') if target.nil?
                  target
                end
                # Adds a note to an existing issue
                def receive_issue_reply(issue_id)
                  status =  (get_keyword(:status) && IssueStatus.find_by_name(get_keyword(:status)))
                  issue = Issue.find_by_id(issue_id)
                  return unless issue
                  # check permission
                  raise UnauthorizedAction unless user.allowed_to?(:add_issue_notes, issue.project) || user.allowed_to?(:edit_issues, issue.project)
                  raise UnauthorizedAction unless status.nil? || user.allowed_to?(:edit_issues, issue.project)
                  # add the note
                  journal = issue.init_journal(user, plain_text_body)
                  add_attachments(issue)
                  # check workflow
                  if status && issue.new_statuses_allowed_to(user).include?(status)
                    issue.status = status
                  end
                  issue.save!
                  logger.info "MailHandler: issue ##{issue.id} updated by #{user}" if logger && logger.info
                  journal
                end
                # Reply will be added to the issue
                def receive_journal_reply(journal_id)
                  journal = Journal.find_by_id(journal_id)
                  if journal && journal.journalized_type == 'Issue'
                    receive_issue_reply(journal.journalized_id)
                  end
                end
                # Receives a reply to a forum message
                def receive_message_reply(message_id)
                  message = Message.find_by_id(message_id)
                  if message
                    message = message.root
                    if user.allowed_to?(:add_messages, message.project) && !message.locked?
                      reply = Message.new(:subject => email.subject.gsub(%r{^.*msg\d+\]}, '').strip,
                                          :content => plain_text_body)
                      reply.author = user
                      reply.board = message.board
                      message.children << reply
                      add_attachments(reply)
                      reply
                    else
                      raise UnauthorizedAction
                    end
                  end
                end
                def add_attachments(obj)
                  if email.has_attachments?
                    email.attachments.each do |attachment|
                      Attachment.create(:container => obj,
                                        :file => attachment,
                                        :author => user,
                                        :content_type => attachment.content_type)
                    end
                  end
                end
                # Adds To and Cc as watchers of the given object if the sender has the
                # appropriate permission
                def add_watchers(obj)
                  if user.allowed_to?("add_#{obj.class.name.underscore}_watchers".to_sym, obj.project)
                    addresses = [email.to, email.cc].flatten.compact.uniq.collect {|a| a.strip.downcase}
                    unless addresses.empty?
                      watchers = User.active.find(:all, :conditions => ['LOWER(mail) IN (?)', addresses])
                      watchers.each {|w| obj.add_watcher(w)}
                    end
                  end
                end
                def get_keyword(attr, options={})
                  @keywords ||= {}
                  if @keywords.has_key?(attr)
                    @keywords[attr]
                  else
                    @keywords[attr] = begin
                      if (options[:override] || @@handler_options[:allow_override].include?(attr.to_s)) && plain_text_body.gsub!(/^#{attr}[ \t]*:[ \t]*(.+)\s*$/i, '')
                        $1.strip
                      elsif !@@handler_options[:issue][attr].blank?
                        @@handler_options[:issue][attr]
                      end
                    end
                  end
                end
                # Returns the text/plain part of the email
                # If not found (eg. HTML-only email), returns the body with tags removed
                def plain_text_body
                  return @plain_text_body unless @plain_text_body.nil?
                  parts = @email.parts.collect {|c| (c.respond_to?(:parts) && !c.parts.empty?) ? c.parts : c}.flatten
                  if parts.empty?
                    parts << @email
                  end
                  plain_text_part = parts.detect {|p| p.content_type == 'text/plain'}
                  if plain_text_part.nil?
                    # no text/plain part found, assuming html-only email
                    # strip html tags and remove doctype directive
                    @plain_text_body = strip_tags(@email.body.to_s)
                    @plain_text_body.gsub! %r{^<!DOCTYPE .*$}, ''
                  else
                    @plain_text_body = plain_text_part.body.to_s
                  end
                  @plain_text_body.strip!
                  @plain_text_body
                end
                def self.full_sanitizer
                  @full_sanitizer ||= HTML::FullSanitizer.new
                end
                # Creates a user account for the +email+ sender
                def self.create_user_from_email(email)
                  addr = email.from_addrs.to_a.first
                  if addr && !addr.spec.blank?
                    user = User.new
                    user.mail = addr.spec
                    names = addr.name.blank? ? addr.spec.gsub(/@.*$/, '').split('.') : addr.name.split
                    user.firstname = names.shift
                    user.lastname = names.join(' ')
                    user.lastname = '-' if user.lastname.blank?
                    user.login = user.mail
                    user.password = ActiveSupport::SecureRandom.hex(5)
                    user.language = Setting.default_language
                    user.save ? user : nil
                  end
                end
              end

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