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0
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1 <?php
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2
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3 /**
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4 * Managesieve (Sieve Filters)
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5 *
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6 * Plugin that adds a possibility to manage Sieve filters in Thunderbird's style.
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7 * It's clickable interface which operates on text scripts and communicates
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8 * with server using managesieve protocol. Adds Filters tab in Settings.
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9 *
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10 * @author Aleksander Machniak <alec@alec.pl>
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11 *
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12 * Configuration (see config.inc.php.dist)
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13 *
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14 * Copyright (C) 2008-2013, The Roundcube Dev Team
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15 * Copyright (C) 2011-2013, Kolab Systems AG
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16 *
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17 * This program is free software: you can redistribute it and/or modify
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18 * it under the terms of the GNU General Public License as published by
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19 * the Free Software Foundation, either version 3 of the License, or
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20 * (at your option) any later version.
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21 *
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22 * This program is distributed in the hope that it will be useful,
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23 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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25 * GNU General Public License for more details.
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26 *
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27 * You should have received a copy of the GNU General Public License
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28 * along with this program. If not, see http://www.gnu.org/licenses/.
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29 */
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30
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31 class managesieve extends rcube_plugin
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32 {
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33 public $task = 'mail|settings';
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34 private $rc;
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35 private $engine;
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36
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37 function init()
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38 {
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39 $this->rc = rcube::get_instance();
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40
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41 // register actions
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42 $this->register_action('plugin.managesieve', array($this, 'managesieve_actions'));
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43 $this->register_action('plugin.managesieve-action', array($this, 'managesieve_actions'));
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44 $this->register_action('plugin.managesieve-vacation', array($this, 'managesieve_actions'));
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45 $this->register_action('plugin.managesieve-save', array($this, 'managesieve_save'));
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46 $this->register_action('plugin.managesieve-saveraw', array($this, 'managesieve_saveraw'));
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47
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48 if ($this->rc->task == 'settings') {
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49 $this->add_hook('settings_actions', array($this, 'settings_actions'));
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50 $this->init_ui();
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51 }
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52 else if ($this->rc->task == 'mail') {
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53 // register message hook
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54 if ($this->rc->action == 'show') {
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55 $this->add_hook('message_headers_output', array($this, 'mail_headers'));
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56 }
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57
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58 // inject Create Filter popup stuff
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59 if (empty($this->rc->action) || $this->rc->action == 'show'
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60 || strpos($this->rc->action, 'plugin.managesieve') === 0
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61 ) {
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62 $this->mail_task_handler();
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63 }
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64 }
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65 }
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66
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67 /**
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68 * Initializes plugin's UI (localization, js script)
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69 */
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70 function init_ui()
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71 {
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72 if ($this->ui_initialized) {
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73 return;
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74 }
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75
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76 // load localization
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77 $this->add_texts('localization/');
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78
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79 $sieve_action = strpos($this->rc->action, 'plugin.managesieve') === 0;
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80
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81 if ($this->rc->task == 'mail' || $sieve_action) {
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82 $this->include_script('managesieve.js');
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83 }
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84
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85 // include styles
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86 $skin_path = $this->local_skin_path();
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87 if ($sieve_action || ($this->rc->task == 'settings' && empty($_REQUEST['_framed']))) {
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88 $this->include_stylesheet("$skin_path/managesieve.css");
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89 }
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90 else if ($this->rc->task == 'mail') {
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91 $this->include_stylesheet("$skin_path/managesieve_mail.css");
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92 }
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93
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94 $this->ui_initialized = true;
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95 }
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96
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97 /**
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98 * Adds Filters section in Settings
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99 */
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100 function settings_actions($args)
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101 {
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102 $this->load_config();
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103
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104 $vacation_mode = (int) $this->rc->config->get('managesieve_vacation');
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105
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106 // register Filters action
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107 if ($vacation_mode != 2) {
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108 $args['actions'][] = array(
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109 'action' => 'plugin.managesieve',
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110 'class' => 'filter',
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111 'label' => 'filters',
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112 'domain' => 'managesieve',
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113 'title' => 'filterstitle',
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114 );
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115 }
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116
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117 // register Vacation action
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118 if ($vacation_mode > 0) {
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119 $args['actions'][] = array(
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120 'action' => 'plugin.managesieve-vacation',
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121 'class' => 'vacation',
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122 'label' => 'vacation',
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123 'domain' => 'managesieve',
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124 'title' => 'vacationtitle',
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125 );
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126 }
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127
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128 return $args;
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129 }
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130
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131 /**
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132 * Add UI elements to the 'mailbox view' and 'show message' UI.
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133 */
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134 function mail_task_handler()
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135 {
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136 // make sure we're not in ajax request
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137 if ($this->rc->output->type != 'html') {
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138 return;
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139 }
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140
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141 // use jQuery for popup window
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142 $this->require_plugin('jqueryui');
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143
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144 // include js script and localization
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145 $this->init_ui();
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146
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147 // add 'Create filter' item to message menu
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148 $this->api->add_content(html::tag('li', null,
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149 $this->api->output->button(array(
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150 'command' => 'managesieve-create',
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151 'label' => 'managesieve.filtercreate',
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152 'type' => 'link',
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153 'classact' => 'icon filterlink active',
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154 'class' => 'icon filterlink',
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155 'innerclass' => 'icon filterlink',
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156 ))), 'messagemenu');
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157
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158 // register some labels/messages
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159 $this->rc->output->add_label('managesieve.newfilter', 'managesieve.usedata',
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160 'managesieve.nodata', 'managesieve.nextstep', 'save');
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161
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162 $this->rc->session->remove('managesieve_current');
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163 }
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164
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165 /**
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166 * Get message headers for popup window
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167 */
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168 function mail_headers($args)
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169 {
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170 // this hook can be executed many times
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171 if ($this->mail_headers_done) {
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172 return $args;
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173 }
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174
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175 $this->mail_headers_done = true;
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176
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177 $headers = $this->parse_headers($args['headers']);
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178
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179 if ($this->rc->action == 'preview')
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180 $this->rc->output->command('parent.set_env', array('sieve_headers' => $headers));
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181 else
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182 $this->rc->output->set_env('sieve_headers', $headers);
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183
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184 return $args;
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185 }
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186
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187 /**
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188 * Plugin action handler
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189 */
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190 function managesieve_actions()
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191 {
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192 // handle fetching email headers for the new filter form
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193 if ($uid = rcube_utils::get_input_value('_uid', rcube_utils::INPUT_POST)) {
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194 $uids = rcmail::get_uids();
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195 $mailbox = key($uids);
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196 $message = new rcube_message($uids[$mailbox][0], $mailbox);
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197 $headers = $this->parse_headers($message->headers);
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198
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199 $this->rc->output->set_env('sieve_headers', $headers);
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200 $this->rc->output->command('managesieve_create', true);
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201 $this->rc->output->send();
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202 }
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203
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204 // handle other actions
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205 $engine_type = $this->rc->action == 'plugin.managesieve-vacation' ? 'vacation' : '';
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206 $engine = $this->get_engine($engine_type);
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207
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208 $this->init_ui();
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209 $engine->actions();
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210 }
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211
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212 /**
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213 * Forms save action handler
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214 */
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215 function managesieve_save()
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216 {
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217 // load localization
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218 $this->add_texts('localization/', array('filters','managefilters'));
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219
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220 // include main js script
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221 if ($this->api->output->type == 'html') {
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222 $this->include_script('managesieve.js');
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223 }
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224
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225 $engine = $this->get_engine();
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226 $engine->save();
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227 }
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228
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229 /**
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230 * Raw form save action handler
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231 */
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232 function managesieve_saveraw()
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233 {
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234 $engine = $this->get_engine();
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235
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236 if (!$this->rc->config->get('managesieve_raw_editor', true)) {
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237 return;
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238 }
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239
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240 // load localization
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241 $this->add_texts('localization/', array('filters','managefilters'));
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242
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243 $engine->saveraw();
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244 }
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245
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246 /**
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247 * Initializes engine object
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248 */
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249 public function get_engine($type = null)
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250 {
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251 if (!$this->engine) {
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252 $this->load_config();
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253
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254 // Add include path for internal classes
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255 $include_path = $this->home . '/lib' . PATH_SEPARATOR;
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256 $include_path .= ini_get('include_path');
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257 set_include_path($include_path);
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258
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259 $class_name = 'rcube_sieve_' . ($type ?: 'engine');
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260 $this->engine = new $class_name($this);
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261 }
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262
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263 return $this->engine;
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264 }
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265
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266 /**
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267 * Extract mail headers for new filter form
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268 */
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269 private function parse_headers($headers)
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270 {
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271 $result = array();
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272
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273 if ($headers->subject)
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274 $result[] = array('Subject', rcube_mime::decode_header($headers->subject));
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275
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276 // @TODO: List-Id, others?
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277 foreach (array('From', 'To') as $h) {
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278 $hl = strtolower($h);
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279 if ($headers->$hl) {
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280 $list = rcube_mime::decode_address_list($headers->$hl);
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281 foreach ($list as $item) {
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282 if ($item['mailto']) {
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283 $result[] = array($h, $item['mailto']);
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284 }
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285 }
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286 }
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287 }
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288
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289 return $result;
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290 }
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291 }
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