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1 <?php
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2
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3 /**
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4 * Show additional message headers
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5 *
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6 * Proof-of-concept plugin which will fetch additional headers
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7 * and display them in the message view.
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8 *
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9 * Enable the plugin in config.inc.php and add your desired headers:
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10 * $config['show_additional_headers'] = array('User-Agent');
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11 *
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12 * @author Thomas Bruederli
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13 * @license GNU GPLv3+
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14 */
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15 class show_additional_headers extends rcube_plugin
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16 {
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17 public $task = 'mail';
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18
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19 function init()
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20 {
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21 $rcmail = rcmail::get_instance();
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22 if ($rcmail->action == 'show' || $rcmail->action == 'preview') {
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23 $this->add_hook('storage_init', array($this, 'storage_init'));
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24 $this->add_hook('message_headers_output', array($this, 'message_headers'));
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25 } else if ($rcmail->action == '') {
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26 // with enabled_caching we're fetching additional headers before show/preview
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27 $this->add_hook('storage_init', array($this, 'storage_init'));
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28 }
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29 }
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30
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31 function storage_init($p)
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32 {
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33 $rcmail = rcmail::get_instance();
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34 if ($add_headers = (array)$rcmail->config->get('show_additional_headers', array()))
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35 $p['fetch_headers'] = trim($p['fetch_headers'].' ' . strtoupper(join(' ', $add_headers)));
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36
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37 return $p;
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38 }
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39
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40 function message_headers($p)
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41 {
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42 $rcmail = rcmail::get_instance();
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43 foreach ((array)$rcmail->config->get('show_additional_headers', array()) as $header) {
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44 if ($value = $p['headers']->get($header))
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45 $p['output'][$header] = array('title' => $header, 'value' => $value);
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46 }
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47
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48 return $p;
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49 }
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50 }
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