285 lines
10 KiB
Ruby
285 lines
10 KiB
Ruby
# 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
|
|
@user = User.find_by_mail(email.from.to_a.first.to_s.strip)
|
|
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 [#{email.from.first}]" if logger && logger.error
|
|
return false
|
|
end
|
|
else
|
|
# Default behaviour, emails from unknown users are ignored
|
|
logger.info "MailHandler: ignoring email from unknown user [#{email.from.first}]" 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+)\]}
|
|
|
|
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
|