|
1 |
# Redmine - project management software
|
|
2 |
# Copyright (C) 2006-2012 Jean-Philippe Lang
|
|
3 |
#
|
|
4 |
# This program is free software; you can redistribute it and/or
|
|
5 |
# modify it under the terms of the GNU General Public License
|
|
6 |
# as published by the Free Software Foundation; either version 2
|
|
7 |
# of the License, or (at your option) any later version.
|
|
8 |
#
|
|
9 |
# This program is distributed in the hope that it will be useful,
|
|
10 |
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
11 |
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
12 |
# GNU General Public License for more details.
|
|
13 |
#
|
|
14 |
# You should have received a copy of the GNU General Public License
|
|
15 |
# along with this program; if not, write to the Free Software
|
|
16 |
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
17 |
|
|
18 |
class MailHandler < ActionMailer::Base
|
|
19 |
include ActionView::Helpers::SanitizeHelper
|
|
20 |
include Redmine::I18n
|
|
21 |
|
|
22 |
class UnauthorizedAction < StandardError; end
|
|
23 |
class MissingInformation < StandardError; end
|
|
24 |
|
|
25 |
attr_reader :email, :user
|
|
26 |
|
|
27 |
def self.receive(email, options={})
|
|
28 |
@@handler_options = options.dup
|
|
29 |
|
|
30 |
@@handler_options[:issue] ||= {}
|
|
31 |
|
|
32 |
if @@handler_options[:allow_override].is_a?(String)
|
|
33 |
@@handler_options[:allow_override] = @@handler_options[:allow_override].split(',').collect(&:strip)
|
|
34 |
end
|
|
35 |
@@handler_options[:allow_override] ||= []
|
|
36 |
# Project needs to be overridable if not specified
|
|
37 |
@@handler_options[:allow_override] << 'project' unless @@handler_options[:issue].has_key?(:project)
|
|
38 |
# Status overridable by default
|
|
39 |
@@handler_options[:allow_override] << 'status' unless @@handler_options[:issue].has_key?(:status)
|
|
40 |
|
|
41 |
@@handler_options[:no_permission_check] = (@@handler_options[:no_permission_check].to_s == '1' ? true : false)
|
|
42 |
|
|
43 |
email.force_encoding('ASCII-8BIT') if email.respond_to?(:force_encoding)
|
|
44 |
super(email)
|
|
45 |
end
|
|
46 |
|
|
47 |
def logger
|
|
48 |
Rails.logger
|
|
49 |
end
|
|
50 |
|
|
51 |
cattr_accessor :ignored_emails_headers
|
|
52 |
@@ignored_emails_headers = {
|
|
53 |
'X-Auto-Response-Suppress' => 'oof',
|
|
54 |
'Auto-Submitted' => /^auto-/
|
|
55 |
}
|
|
56 |
|
|
57 |
# Processes incoming emails
|
|
58 |
# Returns the created object (eg. an issue, a message) or false
|
|
59 |
def receive(email)
|
|
60 |
@email = email
|
|
61 |
sender_email = email.from.to_a.first.to_s.strip
|
|
62 |
# Ignore emails received from the application emission address to avoid hell cycles
|
|
63 |
if sender_email.downcase == Setting.mail_from.to_s.strip.downcase
|
|
64 |
if logger && logger.info
|
|
65 |
logger.info "MailHandler: ignoring email from Redmine emission address [#{sender_email}]"
|
|
66 |
end
|
|
67 |
return false
|
|
68 |
end
|
|
69 |
# Ignore auto generated emails
|
|
70 |
self.class.ignored_emails_headers.each do |key, ignored_value|
|
|
71 |
value = email.header[key]
|
|
72 |
if value
|
|
73 |
value = value.to_s.downcase
|
|
74 |
if (ignored_value.is_a?(Regexp) && value.match(ignored_value)) || value == ignored_value
|
|
75 |
if logger && logger.info
|
|
76 |
logger.info "MailHandler: ignoring email with #{key}:#{value} header"
|
|
77 |
end
|
|
78 |
return false
|
|
79 |
end
|
|
80 |
end
|
|
81 |
end
|
|
82 |
@user = User.find_by_mail(sender_email) if sender_email.present?
|
|
83 |
if @user && !@user.active?
|
|
84 |
if logger && logger.info
|
|
85 |
logger.info "MailHandler: ignoring email from non-active user [#{@user.login}]"
|
|
86 |
end
|
|
87 |
return false
|
|
88 |
end
|
|
89 |
if @user.nil?
|
|
90 |
# Email was submitted by an unknown user
|
|
91 |
case @@handler_options[:unknown_user]
|
|
92 |
when 'accept'
|
|
93 |
@user = User.anonymous
|
|
94 |
when 'create'
|
|
95 |
@user = create_user_from_email
|
|
96 |
if @user
|
|
97 |
if logger && logger.info
|
|
98 |
logger.info "MailHandler: [#{@user.login}] account created"
|
|
99 |
end
|
|
100 |
Mailer.account_information(@user, @user.password).deliver
|
|
101 |
else
|
|
102 |
if logger && logger.error
|
|
103 |
logger.error "MailHandler: could not create account for [#{sender_email}]"
|
|
104 |
end
|
|
105 |
return false
|
|
106 |
end
|
|
107 |
else
|
|
108 |
# Default behaviour, emails from unknown users are ignored
|
|
109 |
if logger && logger.info
|
|
110 |
logger.info "MailHandler: ignoring email from unknown user [#{sender_email}]"
|
|
111 |
end
|
|
112 |
return false
|
|
113 |
end
|
|
114 |
end
|
|
115 |
User.current = @user
|
|
116 |
dispatch
|
|
117 |
end
|
|
118 |
|
|
119 |
private
|
|
120 |
|
|
121 |
MESSAGE_ID_RE = %r{^<?redmine\.([a-z0-9_]+)\-(\d+)\.\d+@}
|
|
122 |
ISSUE_REPLY_SUBJECT_RE = %r{\[[^\]]*#(\d+)\]}
|
|
123 |
MESSAGE_REPLY_SUBJECT_RE = %r{\[[^\]]*msg(\d+)\]}
|
|
124 |
|
|
125 |
def dispatch
|
|
126 |
headers = [email.in_reply_to, email.references].flatten.compact
|
|
127 |
subject = email.subject.to_s
|
|
128 |
if headers.detect {|h| h.to_s =~ MESSAGE_ID_RE}
|
|
129 |
klass, object_id = $1, $2.to_i
|
|
130 |
method_name = "receive_#{klass}_reply"
|
|
131 |
if self.class.private_instance_methods.collect(&:to_s).include?(method_name)
|
|
132 |
send method_name, object_id
|
|
133 |
else
|
|
134 |
# ignoring it
|
|
135 |
end
|
|
136 |
elsif m = subject.match(ISSUE_REPLY_SUBJECT_RE)
|
|
137 |
receive_issue_reply(m[1].to_i)
|
|
138 |
elsif m = subject.match(MESSAGE_REPLY_SUBJECT_RE)
|
|
139 |
receive_message_reply(m[1].to_i)
|
|
140 |
else
|
|
141 |
dispatch_to_default
|
|
142 |
end
|
|
143 |
rescue ActiveRecord::RecordInvalid => e
|
|
144 |
# TODO: send a email to the user
|
|
145 |
logger.error e.message if logger
|
|
146 |
false
|
|
147 |
rescue MissingInformation => e
|
|
148 |
logger.error "MailHandler: missing information from #{user}: #{e.message}" if logger
|
|
149 |
false
|
|
150 |
rescue UnauthorizedAction => e
|
|
151 |
logger.error "MailHandler: unauthorized attempt from #{user}" if logger
|
|
152 |
false
|
|
153 |
end
|
|
154 |
|
|
155 |
def dispatch_to_default
|
|
156 |
receive_issue
|
|
157 |
end
|
|
158 |
|
|
159 |
# Creates a new issue
|
|
160 |
def receive_issue
|
|
161 |
project = target_project
|
|
162 |
# check permission
|
|
163 |
unless @@handler_options[:no_permission_check]
|
|
164 |
raise UnauthorizedAction unless user.allowed_to?(:add_issues, project)
|
|
165 |
end
|
|
166 |
|
|
167 |
issue = Issue.new(:author => user, :project => project)
|
|
168 |
issue.safe_attributes = issue_attributes_from_keywords(issue)
|
|
169 |
issue.safe_attributes = {'custom_field_values' => custom_field_values_from_keywords(issue)}
|
|
170 |
issue.subject = cleaned_up_subject
|
|
171 |
if issue.subject.blank?
|
|
172 |
issue.subject = '(no subject)'
|
|
173 |
end
|
|
174 |
issue.description = cleaned_up_text_body
|
|
175 |
|
|
176 |
# add To and Cc as watchers before saving so the watchers can reply to Redmine
|
|
177 |
add_watchers(issue)
|
|
178 |
issue.save!
|
|
179 |
add_attachments(issue)
|
|
180 |
logger.info "MailHandler: issue ##{issue.id} created by #{user}" if logger && logger.info
|
|
181 |
issue
|
|
182 |
end
|
|
183 |
|
|
184 |
# Adds a note to an existing issue
|
|
185 |
def receive_issue_reply(issue_id, from_journal=nil)
|
|
186 |
issue = Issue.find_by_id(issue_id)
|
|
187 |
return unless issue
|
|
188 |
# check permission
|
|
189 |
unless @@handler_options[:no_permission_check]
|
|
190 |
unless user.allowed_to?(:add_issue_notes, issue.project) ||
|
|
191 |
user.allowed_to?(:edit_issues, issue.project)
|
|
192 |
raise UnauthorizedAction
|
|
193 |
end
|
|
194 |
end
|
|
195 |
|
|
196 |
# ignore CLI-supplied defaults for new issues
|
|
197 |
@@handler_options[:issue].clear
|
|
198 |
|
|
199 |
journal = issue.init_journal(user)
|
|
200 |
if from_journal && from_journal.private_notes?
|
|
201 |
# If the received email was a reply to a private note, make the added note private
|
|
202 |
issue.private_notes = true
|
|
203 |
end
|
|
204 |
issue.safe_attributes = issue_attributes_from_keywords(issue)
|
|
205 |
issue.safe_attributes = {'custom_field_values' => custom_field_values_from_keywords(issue)}
|
|
206 |
journal.notes = cleaned_up_text_body
|
|
207 |
add_attachments(issue)
|
|
208 |
issue.save!
|
|
209 |
if logger && logger.info
|
|
210 |
logger.info "MailHandler: issue ##{issue.id} updated by #{user}"
|
|
211 |
end
|
|
212 |
journal
|
|
213 |
end
|
|
214 |
|
|
215 |
# Reply will be added to the issue
|
|
216 |
def receive_journal_reply(journal_id)
|
|
217 |
journal = Journal.find_by_id(journal_id)
|
|
218 |
if journal && journal.journalized_type == 'Issue'
|
|
219 |
receive_issue_reply(journal.journalized_id, journal)
|
|
220 |
end
|
|
221 |
end
|
|
222 |
|
|
223 |
# Receives a reply to a forum message
|
|
224 |
def receive_message_reply(message_id)
|
|
225 |
message = Message.find_by_id(message_id)
|
|
226 |
if message
|
|
227 |
message = message.root
|
|
228 |
|
|
229 |
unless @@handler_options[:no_permission_check]
|
|
230 |
raise UnauthorizedAction unless user.allowed_to?(:add_messages, message.project)
|
|
231 |
end
|
|
232 |
|
|
233 |
if !message.locked?
|
|
234 |
reply = Message.new(:subject => cleaned_up_subject.gsub(%r{^.*msg\d+\]}, '').strip,
|
|
235 |
:content => cleaned_up_text_body)
|
|
236 |
reply.author = user
|
|
237 |
reply.board = message.board
|
|
238 |
message.children << reply
|
|
239 |
add_attachments(reply)
|
|
240 |
reply
|
|
241 |
else
|
|
242 |
if logger && logger.info
|
|
243 |
logger.info "MailHandler: ignoring reply from [#{sender_email}] to a locked topic"
|
|
244 |
end
|
|
245 |
end
|
|
246 |
end
|
|
247 |
end
|
|
248 |
|
|
249 |
def add_attachments(obj)
|
|
250 |
if email.attachments && email.attachments.any?
|
|
251 |
email.attachments.each do |attachment|
|
|
252 |
obj.attachments << Attachment.create(:container => obj,
|
|
253 |
:file => attachment.decoded,
|
|
254 |
:filename => attachment.filename,
|
|
255 |
:author => user,
|
|
256 |
:content_type => attachment.mime_type)
|
|
257 |
end
|
|
258 |
end
|
|
259 |
end
|
|
260 |
|
|
261 |
# Adds To and Cc as watchers of the given object if the sender has the
|
|
262 |
# appropriate permission
|
|
263 |
def add_watchers(obj)
|
|
264 |
if user.allowed_to?("add_#{obj.class.name.underscore}_watchers".to_sym, obj.project)
|
|
265 |
addresses = [email.to, email.cc].flatten.compact.uniq.collect {|a| a.strip.downcase}
|
|
266 |
unless addresses.empty?
|
|
267 |
watchers = User.active.find(:all, :conditions => ['LOWER(mail) IN (?)', addresses])
|
|
268 |
watchers.each {|w| obj.add_watcher(w)}
|
|
269 |
end
|
|
270 |
end
|
|
271 |
end
|
|
272 |
|
|
273 |
def get_keyword(attr, options={})
|
|
274 |
@keywords ||= {}
|
|
275 |
if @keywords.has_key?(attr)
|
|
276 |
@keywords[attr]
|
|
277 |
else
|
|
278 |
@keywords[attr] = begin
|
|
279 |
if (options[:override] || @@handler_options[:allow_override].include?(attr.to_s)) &&
|
|
280 |
(v = extract_keyword!(plain_text_body, attr, options[:format]))
|
|
281 |
v
|
|
282 |
elsif !@@handler_options[:issue][attr].blank?
|
|
283 |
@@handler_options[:issue][attr]
|
|
284 |
end
|
|
285 |
end
|
|
286 |
end
|
|
287 |
end
|
|
288 |
|
|
289 |
# Destructively extracts the value for +attr+ in +text+
|
|
290 |
# Returns nil if no matching keyword found
|
|
291 |
def extract_keyword!(text, attr, format=nil)
|
|
292 |
keys = [attr.to_s.humanize]
|
|
293 |
if attr.is_a?(Symbol)
|
|
294 |
if user && user.language.present?
|
|
295 |
keys << l("field_#{attr}", :default => '', :locale => user.language)
|
|
296 |
end
|
|
297 |
if Setting.default_language.present?
|
|
298 |
keys << l("field_#{attr}", :default => '', :locale => Setting.default_language)
|
|
299 |
end
|
|
300 |
end
|
|
301 |
keys.reject! {|k| k.blank?}
|
|
302 |
keys.collect! {|k| Regexp.escape(k)}
|
|
303 |
format ||= '.+'
|
|
304 |
keyword = nil
|
|
305 |
regexp = /^(#{keys.join('|')})[ \t]*:[ \t]*(#{format})\s*$/i
|
|
306 |
if m = text.match(regexp)
|
|
307 |
keyword = m[2].strip
|
|
308 |
text.gsub!(regexp, '')
|
|
309 |
end
|
|
310 |
keyword
|
|
311 |
end
|
|
312 |
|
|
313 |
def target_project
|
|
314 |
# TODO: other ways to specify project:
|
|
315 |
# * parse the email To field
|
|
316 |
# * specific project (eg. Setting.mail_handler_target_project)
|
|
317 |
target = Project.find_by_identifier(get_keyword(:project))
|
|
318 |
raise MissingInformation.new('Unable to determine target project') if target.nil?
|
|
319 |
target
|
|
320 |
end
|
|
321 |
|
|
322 |
# Returns a Hash of issue attributes extracted from keywords in the email body
|
|
323 |
def issue_attributes_from_keywords(issue)
|
|
324 |
assigned_to = (k = get_keyword(:assigned_to, :override => true)) && find_assignee_from_keyword(k, issue)
|
|
325 |
|
|
326 |
attrs = {
|
|
327 |
'tracker_id' => (k = get_keyword(:tracker)) && issue.project.trackers.named(k).first.try(:id),
|
|
328 |
'status_id' => (k = get_keyword(:status)) && IssueStatus.named(k).first.try(:id),
|
|
329 |
'priority_id' => (k = get_keyword(:priority)) && IssuePriority.named(k).first.try(:id),
|
|
330 |
'category_id' => (k = get_keyword(:category)) && issue.project.issue_categories.named(k).first.try(:id),
|
|
331 |
'assigned_to_id' => assigned_to.try(:id),
|
|
332 |
'fixed_version_id' => (k = get_keyword(:fixed_version, :override => true)) &&
|
|
333 |
issue.project.shared_versions.named(k).first.try(:id),
|
|
334 |
'start_date' => get_keyword(:start_date, :override => true, :format => '\d{4}-\d{2}-\d{2}'),
|
|
335 |
'due_date' => get_keyword(:due_date, :override => true, :format => '\d{4}-\d{2}-\d{2}'),
|
|
336 |
'estimated_hours' => get_keyword(:estimated_hours, :override => true),
|
|
337 |
'done_ratio' => get_keyword(:done_ratio, :override => true, :format => '(\d|10)?0')
|
|
338 |
}.delete_if {|k, v| v.blank? }
|
|
339 |
|
|
340 |
if issue.new_record? && attrs['tracker_id'].nil?
|
|
341 |
attrs['tracker_id'] = issue.project.trackers.find(:first).try(:id)
|
|
342 |
end
|
|
343 |
|
|
344 |
attrs
|
|
345 |
end
|
|
346 |
|
|
347 |
# Returns a Hash of issue custom field values extracted from keywords in the email body
|
|
348 |
def custom_field_values_from_keywords(customized)
|
|
349 |
customized.custom_field_values.inject({}) do |h, v|
|
|
350 |
if keyword = get_keyword(v.custom_field.name, :override => true)
|
|
351 |
h[v.custom_field.id.to_s] = v.custom_field.value_from_keyword(keyword, customized)
|
|
352 |
end
|
|
353 |
h
|
|
354 |
end
|
|
355 |
end
|
|
356 |
|
|
357 |
# Returns the text/plain part of the email
|
|
358 |
# If not found (eg. HTML-only email), returns the body with tags removed
|
|
359 |
def plain_text_body
|
|
360 |
return @plain_text_body unless @plain_text_body.nil?
|
|
361 |
|
|
362 |
part = email.text_part || email.html_part || email
|
|
363 |
@plain_text_body = Redmine::CodesetUtil.to_utf8(part.body.decoded, part.charset)
|
|
364 |
|
|
365 |
# strip html tags and remove doctype directive
|
|
366 |
@plain_text_body = strip_tags(@plain_text_body.strip)
|
|
367 |
@plain_text_body.sub! %r{^<!DOCTYPE .*$}, ''
|
|
368 |
@plain_text_body
|
|
369 |
end
|
|
370 |
|
|
371 |
def cleaned_up_text_body
|
|
372 |
cleanup_body(plain_text_body)
|
|
373 |
end
|
|
374 |
|
|
375 |
def cleaned_up_subject
|
|
376 |
subject = email.subject.to_s
|
|
377 |
subject.strip[0,255]
|
|
378 |
end
|
|
379 |
|
|
380 |
def self.full_sanitizer
|
|
381 |
@full_sanitizer ||= HTML::FullSanitizer.new
|
|
382 |
end
|
|
383 |
|
|
384 |
def self.assign_string_attribute_with_limit(object, attribute, value, limit=nil)
|
|
385 |
limit ||= object.class.columns_hash[attribute.to_s].limit || 255
|
|
386 |
value = value.to_s.slice(0, limit)
|
|
387 |
object.send("#{attribute}=", value)
|
|
388 |
end
|
|
389 |
|
|
390 |
# Returns a User from an email address and a full name
|
|
391 |
def self.new_user_from_attributes(email_address, fullname=nil)
|
|
392 |
user = User.new
|
|
393 |
|
|
394 |
# Truncating the email address would result in an invalid format
|
|
395 |
user.mail = email_address
|
|
396 |
assign_string_attribute_with_limit(user, 'login', email_address, User::LOGIN_LENGTH_LIMIT)
|
|
397 |
|
|
398 |
names = fullname.blank? ? email_address.gsub(/@.*$/, '').split('.') : fullname.split
|
|
399 |
assign_string_attribute_with_limit(user, 'firstname', names.shift)
|
|
400 |
assign_string_attribute_with_limit(user, 'lastname', names.join(' '))
|
|
401 |
user.lastname = '-' if user.lastname.blank?
|
|
402 |
|
|
403 |
password_length = [Setting.password_min_length.to_i, 10].max
|
|
404 |
user.password = Redmine::Utils.random_hex(password_length / 2 + 1)
|
|
405 |
user.language = Setting.default_language
|
|
406 |
|
|
407 |
unless user.valid?
|
|
408 |
user.login = "user#{Redmine::Utils.random_hex(6)}" unless user.errors[:login].blank?
|
|
409 |
user.firstname = "-" unless user.errors[:firstname].blank?
|
|
410 |
user.lastname = "-" unless user.errors[:lastname].blank?
|
|
411 |
end
|
|
412 |
|
|
413 |
user
|
|
414 |
end
|
|
415 |
|
|
416 |
# Creates a User for the +email+ sender
|
|
417 |
# Returns the user or nil if it could not be created
|
|
418 |
def create_user_from_email
|
|
419 |
from = email.header['from'].to_s
|
|
420 |
addr, name = from, nil
|
|
421 |
if m = from.match(/^"?(.+?)"?\s+<(.+@.+)>$/)
|
|
422 |
addr, name = m[2], m[1]
|
|
423 |
end
|
|
424 |
if addr.present?
|
|
425 |
user = self.class.new_user_from_attributes(addr, name)
|
|
426 |
if user.save
|
|
427 |
user
|
|
428 |
else
|
|
429 |
logger.error "MailHandler: failed to create User: #{user.errors.full_messages}" if logger
|
|
430 |
nil
|
|
431 |
end
|
|
432 |
else
|
|
433 |
logger.error "MailHandler: failed to create User: no FROM address found" if logger
|
|
434 |
nil
|
|
435 |
end
|
|
436 |
end
|
|
437 |
|
|
438 |
# Removes the email body of text after the truncation configurations.
|
|
439 |
def cleanup_body(body)
|
|
440 |
delimiters = Setting.mail_handler_body_delimiters.to_s.split(/[\r\n]+/).reject(&:blank?).map {|s| Regexp.escape(s)}
|
|
441 |
unless delimiters.empty?
|
|
442 |
regex = Regexp.new("^[> ]*(#{ delimiters.join('|') })\s*[\r\n].*", Regexp::MULTILINE)
|
|
443 |
body = body.gsub(regex, '')
|
|
444 |
end
|
|
445 |
body.strip
|
|
446 |
end
|
|
447 |
|
|
448 |
def find_assignee_from_keyword(keyword, issue)
|
|
449 |
keyword = keyword.to_s.downcase
|
|
450 |
assignable = issue.assignable_users
|
|
451 |
assignee = nil
|
|
452 |
assignee ||= assignable.detect {|a|
|
|
453 |
a.mail.to_s.downcase == keyword ||
|
|
454 |
a.login.to_s.downcase == keyword
|
|
455 |
}
|
|
456 |
if assignee.nil? && keyword.match(/ /)
|
|
457 |
firstname, lastname = *(keyword.split) # "First Last Throwaway"
|
|
458 |
assignee ||= assignable.detect {|a|
|
|
459 |
a.is_a?(User) && a.firstname.to_s.downcase == firstname &&
|
|
460 |
a.lastname.to_s.downcase == lastname
|
|
461 |
}
|
|
462 |
end
|
|
463 |
if assignee.nil?
|
|
464 |
assignee ||= assignable.detect {|a| a.name.downcase == keyword}
|
|
465 |
end
|
|
466 |
assignee
|
|
467 |
end
|
|
468 |
end
|