Adds a branch for unlimited project hierarchy.
git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/branches/work@2148 e93f8b46-1217-0410-a6f0-8f06a7374b81
This commit is contained in:
Jean-Philippe Lang
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# redMine - project management software
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# Copyright (C) 2006-2007 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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class MailHandler < ActionMailer::Base
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include ActionView::Helpers::SanitizeHelper
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class UnauthorizedAction < StandardError; end
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class MissingInformation < StandardError; end
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attr_reader :email, :user
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def self.receive(email, options={})
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@@handler_options = options.dup
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@@handler_options[:issue] ||= {}
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@@handler_options[:allow_override] = @@handler_options[:allow_override].split(',').collect(&:strip) if @@handler_options[:allow_override].is_a?(String)
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@@handler_options[:allow_override] ||= []
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# Project needs to be overridable if not specified
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@@handler_options[:allow_override] << 'project' unless @@handler_options[:issue].has_key?(:project)
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# Status overridable by default
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@@handler_options[:allow_override] << 'status' unless @@handler_options[:issue].has_key?(:status)
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super email
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end
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# Processes incoming emails
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def receive(email)
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@email = email
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@user = User.active.find_by_mail(email.from.first.to_s.strip)
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unless @user
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# Unknown user => the email is ignored
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# TODO: ability to create the user's account
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logger.info "MailHandler: email submitted by unknown user [#{email.from.first}]" if logger && logger.info
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return false
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end
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User.current = @user
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dispatch
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end
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private
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ISSUE_REPLY_SUBJECT_RE = %r{\[[^\]]+#(\d+)\]}
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def dispatch
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if m = email.subject.match(ISSUE_REPLY_SUBJECT_RE)
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receive_issue_update(m[1].to_i)
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else
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receive_issue
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end
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rescue ActiveRecord::RecordInvalid => e
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# TODO: send a email to the user
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logger.error e.message if logger
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false
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rescue MissingInformation => e
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logger.error "MailHandler: missing information from #{user}: #{e.message}" if logger
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false
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rescue UnauthorizedAction => e
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logger.error "MailHandler: unauthorized attempt from #{user}" if logger
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false
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end
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# Creates a new issue
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def receive_issue
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project = target_project
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tracker = (get_keyword(:tracker) && project.trackers.find_by_name(get_keyword(:tracker))) || project.trackers.find(:first)
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category = (get_keyword(:category) && project.issue_categories.find_by_name(get_keyword(:category)))
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priority = (get_keyword(:priority) && Enumeration.find_by_opt_and_name('IPRI', get_keyword(:priority)))
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status = (get_keyword(:status) && IssueStatus.find_by_name(get_keyword(:status)))
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# check permission
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raise UnauthorizedAction unless user.allowed_to?(:add_issues, project)
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issue = Issue.new(:author => user, :project => project, :tracker => tracker, :category => category, :priority => priority)
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# check workflow
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if status && issue.new_statuses_allowed_to(user).include?(status)
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issue.status = status
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end
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issue.subject = email.subject.chomp.toutf8
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issue.description = plain_text_body
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issue.save!
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add_attachments(issue)
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logger.info "MailHandler: issue ##{issue.id} created by #{user}" if logger && logger.info
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# send notification before adding watchers since they were cc'ed
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Mailer.deliver_issue_add(issue) if Setting.notified_events.include?('issue_added')
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# add To and Cc as watchers
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add_watchers(issue)
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issue
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end
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def target_project
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# TODO: other ways to specify project:
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# * parse the email To field
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# * specific project (eg. Setting.mail_handler_target_project)
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target = Project.find_by_identifier(get_keyword(:project))
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raise MissingInformation.new('Unable to determine target project') if target.nil?
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target
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end
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# Adds a note to an existing issue
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def receive_issue_update(issue_id)
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status = (get_keyword(:status) && IssueStatus.find_by_name(get_keyword(:status)))
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issue = Issue.find_by_id(issue_id)
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return unless issue
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# check permission
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raise UnauthorizedAction unless user.allowed_to?(:add_issue_notes, issue.project) || user.allowed_to?(:edit_issues, issue.project)
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raise UnauthorizedAction unless status.nil? || user.allowed_to?(:edit_issues, issue.project)
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# add the note
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journal = issue.init_journal(user, plain_text_body)
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add_attachments(issue)
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# check workflow
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if status && issue.new_statuses_allowed_to(user).include?(status)
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issue.status = status
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end
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issue.save!
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logger.info "MailHandler: issue ##{issue.id} updated by #{user}" if logger && logger.info
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Mailer.deliver_issue_edit(journal) if Setting.notified_events.include?('issue_updated')
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journal
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end
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def add_attachments(obj)
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if email.has_attachments?
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email.attachments.each do |attachment|
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Attachment.create(:container => obj,
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:file => attachment,
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:author => user,
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:content_type => attachment.content_type)
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end
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end
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end
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# Adds To and Cc as watchers of the given object if the sender has the
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# appropriate permission
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def add_watchers(obj)
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if user.allowed_to?("add_#{obj.class.name.underscore}_watchers".to_sym, obj.project)
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addresses = [email.to, email.cc].flatten.compact.uniq.collect {|a| a.strip.downcase}
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unless addresses.empty?
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watchers = User.active.find(:all, :conditions => ['LOWER(mail) IN (?)', addresses])
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watchers.each {|w| obj.add_watcher(w)}
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end
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end
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end
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def get_keyword(attr)
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if @@handler_options[:allow_override].include?(attr.to_s) && plain_text_body =~ /^#{attr}:[ \t]*(.+)$/i
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$1.strip
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elsif !@@handler_options[:issue][attr].blank?
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@@handler_options[:issue][attr]
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end
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end
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# Returns the text/plain part of the email
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# If not found (eg. HTML-only email), returns the body with tags removed
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def plain_text_body
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return @plain_text_body unless @plain_text_body.nil?
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parts = @email.parts.collect {|c| (c.respond_to?(:parts) && !c.parts.empty?) ? c.parts : c}.flatten
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if parts.empty?
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parts << @email
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end
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plain_text_part = parts.detect {|p| p.content_type == 'text/plain'}
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if plain_text_part.nil?
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# no text/plain part found, assuming html-only email
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# strip html tags and remove doctype directive
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@plain_text_body = strip_tags(@email.body.to_s)
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@plain_text_body.gsub! %r{^<!DOCTYPE .*$}, ''
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else
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@plain_text_body = plain_text_part.body.to_s
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end
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@plain_text_body.strip!
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end
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end
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