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1 | 1 | # redMine - project management software |
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2 | 2 | # Copyright (C) 2006-2007 Jean-Philippe Lang |
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3 | 3 | # |
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4 | 4 | # This program is free software; you can redistribute it and/or |
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5 | 5 | # modify it under the terms of the GNU General Public License |
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6 | 6 | # as published by the Free Software Foundation; either version 2 |
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7 | 7 | # of the License, or (at your option) any later version. |
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8 | 8 | # |
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9 | 9 | # This program is distributed in the hope that it will be useful, |
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10 | 10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 | 11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 | 12 | # GNU General Public License for more details. |
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13 | 13 | # |
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14 | 14 | # You should have received a copy of the GNU General Public License |
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15 | 15 | # along with this program; if not, write to the Free Software |
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16 | 16 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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17 | 17 | |
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18 | 18 | class MailHandler < ActionMailer::Base |
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19 | 19 | |
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20 | 20 | class UnauthorizedAction < StandardError; end |
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21 | 21 | class MissingInformation < StandardError; end |
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22 | 22 | |
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23 | 23 | attr_reader :email, :user |
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24 | 24 | |
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25 | 25 | def self.receive(email, options={}) |
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26 | 26 | @@handler_options = options.dup |
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27 | 27 | |
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28 | 28 | @@handler_options[:issue] ||= {} |
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29 | 29 | |
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30 | 30 | @@handler_options[:allow_override] = @@handler_options[:allow_override].split(',').collect(&:strip) if @@handler_options[:allow_override].is_a?(String) |
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31 | 31 | @@handler_options[:allow_override] ||= [] |
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32 | 32 | # Project needs to be overridable if not specified |
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33 | 33 | @@handler_options[:allow_override] << 'project' unless @@handler_options[:issue].has_key?(:project) |
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34 | 34 | # Status needs to be overridable if not specified |
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35 | 35 | @@handler_options[:allow_override] << 'status' unless @@handler_options[:issue].has_key?(:status) |
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36 | 36 | super email |
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37 | 37 | end |
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38 | 38 | |
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39 | 39 | # Processes incoming emails |
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40 | 40 | def receive(email) |
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41 | 41 | @email = email |
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42 | 42 | @user = User.find_active(:first, :conditions => ["LOWER(mail) = ?", email.from.first.to_s.strip.downcase]) |
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43 | 43 | unless @user |
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44 | 44 | # Unknown user => the email is ignored |
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45 | 45 | # TODO: ability to create the user's account |
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46 | 46 | logger.info "MailHandler: email submitted by unknown user [#{email.from.first}]" if logger && logger.info |
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47 | 47 | return false |
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48 | 48 | end |
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49 | 49 | User.current = @user |
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50 | 50 | dispatch |
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51 | 51 | end |
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52 | 52 | |
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53 | 53 | private |
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54 | 54 | |
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55 | 55 | ISSUE_REPLY_SUBJECT_RE = %r{\[[^\]]+#(\d+)\]} |
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56 | 56 | |
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57 | 57 | def dispatch |
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58 | 58 | if m = email.subject.match(ISSUE_REPLY_SUBJECT_RE) |
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59 | 59 | receive_issue_update(m[1].to_i) |
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60 | 60 | else |
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61 | 61 | receive_issue |
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62 | 62 | end |
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63 | 63 | rescue ActiveRecord::RecordInvalid => e |
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64 | 64 | # TODO: send a email to the user |
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65 | 65 | logger.error e.message if logger |
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66 | 66 | false |
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67 | 67 | rescue MissingInformation => e |
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68 | 68 | logger.error "MailHandler: missing information from #{user}: #{e.message}" if logger |
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69 | 69 | false |
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70 | 70 | rescue UnauthorizedAction => e |
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71 | 71 | logger.error "MailHandler: unauthorized attempt from #{user}" if logger |
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72 | 72 | false |
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73 | 73 | end |
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74 | 74 | |
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75 | 75 | # Creates a new issue |
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76 | 76 | def receive_issue |
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77 | 77 | project = target_project |
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78 | 78 | tracker = (get_keyword(:tracker) && project.trackers.find_by_name(get_keyword(:tracker))) || project.trackers.find(:first) |
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79 | 79 | category = (get_keyword(:category) && project.issue_categories.find_by_name(get_keyword(:category))) |
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80 | 80 | priority = (get_keyword(:priority) && Enumeration.find_by_opt_and_name('IPRI', get_keyword(:priority))) |
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81 | 81 | status = (get_keyword(:status) && IssueStatus.find_by_name(get_keyword(:status))) || IssueStatus.default |
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82 | 82 | |
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83 | 83 | # check permission |
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84 | 84 | raise UnauthorizedAction unless user.allowed_to?(:add_issues, project) |
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85 | 85 | issue = Issue.new(:author => user, :project => project, :tracker => tracker, :category => category, :priority => priority, :status => status) |
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86 | issue.subject = email.subject.chomp | |
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86 | issue.subject = email.subject.chomp.toutf8 | |
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87 | 87 | issue.description = email.plain_text_body.chomp |
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88 | 88 | issue.save! |
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89 | 89 | add_attachments(issue) |
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90 | 90 | logger.info "MailHandler: issue ##{issue.id} created by #{user}" if logger && logger.info |
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91 | 91 | Mailer.deliver_issue_add(issue) if Setting.notified_events.include?('issue_added') |
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92 | 92 | issue |
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93 | 93 | end |
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94 | 94 | |
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95 | 95 | def target_project |
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96 | 96 | # TODO: other ways to specify project: |
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97 | 97 | # * parse the email To field |
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98 | 98 | # * specific project (eg. Setting.mail_handler_target_project) |
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99 | 99 | target = Project.find_by_identifier(get_keyword(:project)) |
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100 | 100 | raise MissingInformation.new('Unable to determine target project') if target.nil? |
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101 | 101 | target |
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102 | 102 | end |
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103 | 103 | |
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104 | 104 | # Adds a note to an existing issue |
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105 | 105 | def receive_issue_update(issue_id) |
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106 | 106 | status = (get_keyword(:status) && IssueStatus.find_by_name(get_keyword(:status))) |
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107 | 107 | |
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108 | 108 | issue = Issue.find_by_id(issue_id) |
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109 | 109 | return unless issue |
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110 | 110 | # check permission |
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111 | 111 | raise UnauthorizedAction unless user.allowed_to?(:add_issue_notes, issue.project) || user.allowed_to?(:edit_issues, issue.project) |
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112 | 112 | raise UnauthorizedAction unless status.nil? || user.allowed_to?(:edit_issues, issue.project) |
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113 | 113 | |
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114 | 114 | # add the note |
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115 | 115 | journal = issue.init_journal(user, email.plain_text_body.chomp) |
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116 | 116 | add_attachments(issue) |
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117 | 117 | issue.status = status unless status.nil? |
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118 | 118 | issue.save! |
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119 | 119 | logger.info "MailHandler: issue ##{issue.id} updated by #{user}" if logger && logger.info |
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120 | 120 | Mailer.deliver_issue_edit(journal) if Setting.notified_events.include?('issue_updated') |
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121 | 121 | journal |
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122 | 122 | end |
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123 | 123 | |
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124 | 124 | def add_attachments(obj) |
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125 | 125 | if email.has_attachments? |
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126 | 126 | email.attachments.each do |attachment| |
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127 | 127 | Attachment.create(:container => obj, |
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128 | 128 | :file => attachment, |
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129 | 129 | :author => user, |
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130 | 130 | :content_type => attachment.content_type) |
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131 | 131 | end |
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132 | 132 | end |
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133 | 133 | end |
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134 | 134 | |
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135 | 135 | def get_keyword(attr) |
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136 | 136 | if @@handler_options[:allow_override].include?(attr.to_s) && email.plain_text_body =~ /^#{attr}:[ \t]*(.+)$/i |
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137 | 137 | $1.strip |
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138 | 138 | elsif !@@handler_options[:issue][attr].blank? |
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139 | 139 | @@handler_options[:issue][attr] |
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140 | 140 | end |
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141 | 141 | end |
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142 | 142 | end |
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143 | 143 | |
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144 | 144 | class TMail::Mail |
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145 | 145 | # Returns body of the first plain text part found if any |
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146 | 146 | def plain_text_body |
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147 | 147 | return @plain_text_body unless @plain_text_body.nil? |
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148 | 148 | p = self.parts.collect {|c| (c.respond_to?(:parts) && !c.parts.empty?) ? c.parts : c}.flatten |
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149 | 149 | plain = p.detect {|c| c.content_type == 'text/plain'} |
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150 | 150 | @plain_text_body = plain.nil? ? self.body : plain.body |
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151 | 151 | end |
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152 | 152 | end |
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153 | 153 | |
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