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1 | <?php
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2 | /**
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3 | * Smarty plugin
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4 | * @package Smarty
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5 | * @subpackage plugins
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6 | */
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7 |
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8 | /**
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9 | * determines if a resource is trusted or not
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10 | *
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11 | * @param string $resource_type
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12 | * @param string $resource_name
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13 | * @return boolean
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14 | */
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15 |
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16 | // $resource_type, $resource_name
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17 |
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18 | function smarty_core_is_trusted($params, &$smarty)
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19 | {
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20 | $_smarty_trusted = false;
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21 | if ($params['resource_type'] == 'file') {
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22 | if (!empty($smarty->trusted_dir)) {
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23 | $_rp = realpath($params['resource_name']);
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24 | foreach ((array)$smarty->trusted_dir as $curr_dir) {
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25 | if (!empty($curr_dir) && is_readable ($curr_dir)) {
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26 | $_cd = realpath($curr_dir);
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27 | if (strncmp($_rp, $_cd, strlen($_cd)) == 0
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28 | && substr($_rp, strlen($_cd), 1) == DIRECTORY_SEPARATOR ) {
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29 | $_smarty_trusted = true;
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30 | break;
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31 | }
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32 | }
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33 | }
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34 | }
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35 |
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36 | } else {
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37 | // resource is not on local file system
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38 | $_smarty_trusted = call_user_func_array($smarty->_plugins['resource'][$params['resource_type']][0][3],
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39 | array($params['resource_name'], $smarty));
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40 | }
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41 |
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42 | return $_smarty_trusted;
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43 | }
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44 |
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45 | /* vim: set expandtab: */
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46 |
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47 | ?>
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