mail_handler.rb
242 lines
| 8.6 KiB
| text/x-ruby
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RubyLexer
Jean-Philippe Lang
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r520 | # 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 | ||||
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Jean-Philippe Lang
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r2134 | include ActionView::Helpers::SanitizeHelper | ||
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r1554 | |||
| class UnauthorizedAction < StandardError; end | ||||
| class MissingInformation < StandardError; end | ||||
| attr_reader :email, :user | ||||
| def self.receive(email, options={}) | ||||
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Jean-Philippe Lang
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r1629 | @@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) | ||||
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r2072 | # Status overridable by default | ||
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r1750 | @@handler_options[:allow_override] << 'status' unless @@handler_options[:issue].has_key?(:status) | ||
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r1554 | super email | ||
| end | ||||
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r520 | |||
| # Processes incoming emails | ||||
| def receive(email) | ||||
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Jean-Philippe Lang
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r1554 | @email = email | ||
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r2485 | @user = User.active.find_by_mail(email.from.to_a.first.to_s.strip) | ||
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r1554 | unless @user | ||
| # Unknown user => the email is ignored | ||||
| # TODO: ability to create the user's account | ||||
| logger.info "MailHandler: email submitted by unknown user [#{email.from.first}]" if logger && logger.info | ||||
| return false | ||||
| end | ||||
| User.current = @user | ||||
| dispatch | ||||
| end | ||||
| private | ||||
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Jean-Philippe Lang
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r2286 | MESSAGE_ID_RE = %r{^<redmine\.([a-z0-9_]+)\-(\d+)\.\d+@} | ||
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Jean-Philippe Lang
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r1554 | ISSUE_REPLY_SUBJECT_RE = %r{\[[^\]]+#(\d+)\]} | ||
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r2292 | MESSAGE_REPLY_SUBJECT_RE = %r{\[[^\]]+msg(\d+)\]} | ||
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Jean-Philippe Lang
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r1554 | |||
| def dispatch | ||||
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Jean-Philippe Lang
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r2286 | 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.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) | ||||
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Jean-Philippe Lang
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r2292 | elsif m = email.subject.match(MESSAGE_REPLY_SUBJECT_RE) | ||
| receive_message_reply(m[1].to_i) | ||||
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r1554 | 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 | ||||
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Jean-Philippe Lang
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r1629 | 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) && Enumeration.find_by_opt_and_name('IPRI', get_keyword(:priority))) | ||||
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Jean-Philippe Lang
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r2072 | status = (get_keyword(:status) && IssueStatus.find_by_name(get_keyword(:status))) | ||
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r1629 | |||
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r1554 | # check permission | ||
| raise UnauthorizedAction unless user.allowed_to?(:add_issues, project) | ||||
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r2072 | 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 | ||||
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Jean-Philippe Lang
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r1988 | issue.subject = email.subject.chomp.toutf8 | ||
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Jean-Philippe Lang
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r2134 | issue.description = plain_text_body | ||
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r2209 | # 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 | ||||
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Eric Davis
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r2548 | # add To and Cc as watchers before saving so the watchers can reply to Redmine | ||
| add_watchers(issue) | ||||
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r1554 | 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) | ||||
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r1629 | target = Project.find_by_identifier(get_keyword(:project)) | ||
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r1554 | raise MissingInformation.new('Unable to determine target project') if target.nil? | ||
| target | ||||
| end | ||||
| # Adds a note to an existing issue | ||||
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Jean-Philippe Lang
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r2286 | def receive_issue_reply(issue_id) | ||
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r1750 | status = (get_keyword(:status) && IssueStatus.find_by_name(get_keyword(:status))) | ||
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r1554 | issue = Issue.find_by_id(issue_id) | ||
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Jean-Philippe Lang
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r520 | return unless issue | ||
| # check permission | ||||
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Jean-Philippe Lang
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r1554 | raise UnauthorizedAction unless user.allowed_to?(:add_issue_notes, issue.project) || user.allowed_to?(:edit_issues, issue.project) | ||
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Eric Davis
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r1750 | raise UnauthorizedAction unless status.nil? || user.allowed_to?(:edit_issues, issue.project) | ||
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r521 | # add the note | ||
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r2134 | journal = issue.init_journal(user, plain_text_body) | ||
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r1556 | add_attachments(issue) | ||
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r2072 | # check workflow | ||
| if status && issue.new_statuses_allowed_to(user).include?(status) | ||||
| issue.status = status | ||||
| end | ||||
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r1554 | issue.save! | ||
| logger.info "MailHandler: issue ##{issue.id} updated by #{user}" if logger && logger.info | ||||
| journal | ||||
| end | ||||
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r2286 | # 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 | ||||
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Jean-Philippe Lang
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r2287 | # 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? | ||||
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Jean-Philippe Lang
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r2292 | reply = Message.new(:subject => email.subject.gsub(%r{^.*msg\d+\]}, '').strip, | ||
| :content => plain_text_body) | ||||
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Jean-Philippe Lang
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r2287 | reply.author = user | ||
| reply.board = message.board | ||||
| message.children << reply | ||||
| add_attachments(reply) | ||||
| reply | ||||
| else | ||||
| raise UnauthorizedAction | ||||
| end | ||||
| end | ||||
| end | ||||
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Jean-Philippe Lang
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r1554 | 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 | ||||
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Jean-Philippe Lang
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r520 | end | ||
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Jean-Philippe Lang
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r1629 | |||
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Jean-Philippe Lang
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r2075 | # 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? | ||||
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r2077 | watchers = User.active.find(:all, :conditions => ['LOWER(mail) IN (?)', addresses]) | ||
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r2075 | watchers.each {|w| obj.add_watcher(w)} | ||
| end | ||||
| end | ||||
| end | ||||
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r2209 | def get_keyword(attr, options={}) | ||
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r2365 | @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]*(.+)\s*$/i, '') | ||||
| $1.strip | ||||
| elsif !@@handler_options[:issue][attr].blank? | ||||
| @@handler_options[:issue][attr] | ||||
| end | ||||
| end | ||||
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Jean-Philippe Lang
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r1629 | end | ||
| end | ||||
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r2134 | |||
| # Returns the text/plain part of the email | ||||
| # If not found (eg. HTML-only email), returns the body with tags removed | ||||
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r1554 | def plain_text_body | ||
| return @plain_text_body unless @plain_text_body.nil? | ||||
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Jean-Philippe Lang
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r2134 | parts = @email.parts.collect {|c| (c.respond_to?(:parts) && !c.parts.empty?) ? c.parts : c}.flatten | ||
| if parts.empty? | ||||
| parts << @email | ||||
| end | ||||
| plain_text_part = parts.detect {|p| p.content_type == 'text/plain'} | ||||
| if plain_text_part.nil? | ||||
| # no text/plain part found, assuming html-only email | ||||
| # strip html tags and remove doctype directive | ||||
| @plain_text_body = strip_tags(@email.body.to_s) | ||||
| @plain_text_body.gsub! %r{^<!DOCTYPE .*$}, '' | ||||
| else | ||||
| @plain_text_body = plain_text_part.body.to_s | ||||
| end | ||||
| @plain_text_body.strip! | ||||
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Jean-Philippe Lang
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r2456 | @plain_text_body | ||
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r1554 | end | ||
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r2430 | |||
| def self.full_sanitizer | ||||
| @full_sanitizer ||= HTML::FullSanitizer.new | ||||
| end | ||||
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r1554 | end | ||