1 | <?php
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2 | /**
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3 | *
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4 | * @package acm
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5 | * @version $Id$
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6 | * @copyright (c) 2005 phpBB Group
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7 | * @license http://opensource.org/licenses/gpl-license.php GNU Public License
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8 | *
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9 | */
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10 |
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11 | /**
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12 | * @ignore
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13 | */
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14 | if (!defined('IN_PHPBB'))
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15 | {
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16 | exit;
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17 | }
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18 |
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19 | /**
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20 | * Class for grabbing/handling cached entries, extends acm_file or acm_db depending on the setup
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21 | * @package acm
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22 | */
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23 | class cache extends acm
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24 | {
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25 | /**
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26 | * Get config values
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27 | */
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28 | function obtain_config()
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29 | {
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30 | global $db;
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31 |
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32 | if (($config = $this->get('config')) !== false)
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33 | {
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34 | $sql = 'SELECT config_name, config_value
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35 | FROM ' . CONFIG_TABLE . '
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36 | WHERE is_dynamic = 1';
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37 | $result = $db->sql_query($sql);
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38 |
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39 | while ($row = $db->sql_fetchrow($result))
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40 | {
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41 | $config[$row['config_name']] = $row['config_value'];
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42 | }
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43 | $db->sql_freeresult($result);
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44 | }
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45 | else
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46 | {
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47 | $config = $cached_config = array();
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48 |
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49 | $sql = 'SELECT config_name, config_value, is_dynamic
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50 | FROM ' . CONFIG_TABLE;
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51 | $result = $db->sql_query($sql);
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52 |
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53 | while ($row = $db->sql_fetchrow($result))
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54 | {
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55 | if (!$row['is_dynamic'])
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56 | {
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57 | $cached_config[$row['config_name']] = $row['config_value'];
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58 | }
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59 |
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60 | $config[$row['config_name']] = $row['config_value'];
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61 | }
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62 | $db->sql_freeresult($result);
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63 |
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64 | $this->put('config', $cached_config);
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65 | }
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66 |
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67 | return $config;
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68 | }
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69 |
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70 | /**
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71 | * Obtain list of naughty words and build preg style replacement arrays for use by the
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72 | * calling script
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73 | */
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74 | function obtain_word_list()
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75 | {
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76 | global $db;
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77 |
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78 | if (($censors = $this->get('_word_censors')) === false)
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79 | {
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80 | $sql = 'SELECT word, replacement
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81 | FROM ' . WORDS_TABLE;
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82 | $result = $db->sql_query($sql);
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83 |
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84 | $censors = array();
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85 | while ($row = $db->sql_fetchrow($result))
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86 | {
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87 | if ((version_compare(PHP_VERSION, '5.1.0', '>=') || (version_compare(PHP_VERSION, '5.0.0-dev', '<=') && version_compare(PHP_VERSION, '4.4.0', '>='))) && @preg_match('/\p{L}/u', 'a') !== false)
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88 | {
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89 | $censors['match'][] = '#(?<![\p{Nd}\p{L}_])(' . str_replace('\*', '[\p{Nd}\p{L}_]*?', preg_quote($row['word'], '#')) . ')(?![\p{Nd}\p{L}_])#iu';
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90 | }
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91 | else
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92 | {
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93 | $censors['match'][] = '#(?<!\S)(' . str_replace('\*', '\S*?', preg_quote($row['word'], '#')) . ')(?!\S)#iu';
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94 | }
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95 |
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96 | $censors['replace'][] = $row['replacement'];
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97 | }
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98 | $db->sql_freeresult($result);
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99 |
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100 | $this->put('_word_censors', $censors);
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101 | }
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102 |
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103 | return $censors;
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104 | }
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105 |
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106 | /**
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107 | * Obtain currently listed icons
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108 | */
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109 | function obtain_icons()
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110 | {
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111 | if (($icons = $this->get('_icons')) === false)
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112 | {
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113 | global $db;
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114 |
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115 | // Topic icons
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116 | $sql = 'SELECT *
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117 | FROM ' . ICONS_TABLE . '
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118 | ORDER BY icons_order';
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119 | $result = $db->sql_query($sql);
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120 |
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121 | $icons = array();
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122 | while ($row = $db->sql_fetchrow($result))
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123 | {
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124 | $icons[$row['icons_id']]['img'] = $row['icons_url'];
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125 | $icons[$row['icons_id']]['width'] = (int) $row['icons_width'];
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126 | $icons[$row['icons_id']]['height'] = (int) $row['icons_height'];
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127 | $icons[$row['icons_id']]['display'] = (bool) $row['display_on_posting'];
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128 | }
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129 | $db->sql_freeresult($result);
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130 |
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131 | $this->put('_icons', $icons);
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132 | }
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133 |
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134 | return $icons;
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135 | }
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136 |
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137 | /**
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138 | * Obtain ranks
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139 | */
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140 | function obtain_ranks()
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141 | {
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142 | if (($ranks = $this->get('_ranks')) === false)
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143 | {
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144 | global $db;
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145 |
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146 | $sql = 'SELECT *
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147 | FROM ' . RANKS_TABLE . '
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148 | ORDER BY rank_min DESC';
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149 | $result = $db->sql_query($sql);
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150 |
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151 | $ranks = array();
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152 | while ($row = $db->sql_fetchrow($result))
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153 | {
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154 | if ($row['rank_special'])
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155 | {
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156 | $ranks['special'][$row['rank_id']] = array(
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157 | 'rank_title' => $row['rank_title'],
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158 | 'rank_image' => $row['rank_image']
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159 | );
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160 | }
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161 | else
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162 | {
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163 | $ranks['normal'][] = array(
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164 | 'rank_title' => $row['rank_title'],
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165 | 'rank_min' => $row['rank_min'],
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166 | 'rank_image' => $row['rank_image']
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167 | );
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168 | }
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169 | }
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170 | $db->sql_freeresult($result);
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171 |
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172 | $this->put('_ranks', $ranks);
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173 | }
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174 |
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175 | return $ranks;
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176 | }
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177 |
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178 | /**
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179 | * Obtain allowed extensions
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180 | *
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181 | * @param mixed $forum_id If false then check for private messaging, if int then check for forum id. If true, then only return extension informations.
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182 | *
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183 | * @return array allowed extensions array.
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184 | */
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185 | function obtain_attach_extensions($forum_id)
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186 | {
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187 | if (($extensions = $this->get('_extensions')) === false)
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188 | {
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189 | global $db;
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190 |
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191 | $extensions = array(
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192 | '_allowed_post' => array(),
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193 | '_allowed_pm' => array(),
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194 | );
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195 |
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196 | // The rule is to only allow those extensions defined. ;)
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197 | $sql = 'SELECT e.extension, g.*
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198 | FROM ' . EXTENSIONS_TABLE . ' e, ' . EXTENSION_GROUPS_TABLE . ' g
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199 | WHERE e.group_id = g.group_id
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200 | AND (g.allow_group = 1 OR g.allow_in_pm = 1)';
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201 | $result = $db->sql_query($sql);
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202 |
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203 | while ($row = $db->sql_fetchrow($result))
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204 | {
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205 | $extension = strtolower(trim($row['extension']));
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206 |
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207 | $extensions[$extension] = array(
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208 | 'display_cat' => (int) $row['cat_id'],
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209 | 'download_mode' => (int) $row['download_mode'],
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210 | 'upload_icon' => trim($row['upload_icon']),
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211 | 'max_filesize' => (int) $row['max_filesize'],
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212 | 'allow_group' => $row['allow_group'],
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213 | 'allow_in_pm' => $row['allow_in_pm'],
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214 | );
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215 |
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216 | $allowed_forums = ($row['allowed_forums']) ? unserialize(trim($row['allowed_forums'])) : array();
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217 |
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218 | // Store allowed extensions forum wise
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219 | if ($row['allow_group'])
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220 | {
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221 | $extensions['_allowed_post'][$extension] = (!sizeof($allowed_forums)) ? 0 : $allowed_forums;
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222 | }
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223 |
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224 | if ($row['allow_in_pm'])
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225 | {
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226 | $extensions['_allowed_pm'][$extension] = 0;
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227 | }
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228 | }
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229 | $db->sql_freeresult($result);
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230 |
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231 | $this->put('_extensions', $extensions);
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232 | }
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233 |
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234 | // Forum post
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235 | if ($forum_id === false)
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236 | {
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237 | // We are checking for private messages, therefore we only need to get the pm extensions...
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238 | $return = array('_allowed_' => array());
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239 |
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240 | foreach ($extensions['_allowed_pm'] as $extension => $check)
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241 | {
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242 | $return['_allowed_'][$extension] = 0;
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243 | $return[$extension] = $extensions[$extension];
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244 | }
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245 |
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246 | $extensions = $return;
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247 | }
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248 | else if ($forum_id === true)
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249 | {
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250 | return $extensions;
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251 | }
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252 | else
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253 | {
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254 | $forum_id = (int) $forum_id;
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255 | $return = array('_allowed_' => array());
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256 |
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257 | foreach ($extensions['_allowed_post'] as $extension => $check)
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258 | {
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259 | // Check for allowed forums
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260 | if (is_array($check))
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261 | {
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262 | $allowed = (!in_array($forum_id, $check)) ? false : true;
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263 | }
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264 | else
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265 | {
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266 | $allowed = true;
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267 | }
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268 |
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269 | if ($allowed)
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270 | {
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271 | $return['_allowed_'][$extension] = 0;
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272 | $return[$extension] = $extensions[$extension];
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273 | }
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274 | }
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275 |
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276 | $extensions = $return;
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277 | }
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278 |
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279 | if (!isset($extensions['_allowed_']))
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280 | {
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281 | $extensions['_allowed_'] = array();
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282 | }
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283 |
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284 | return $extensions;
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285 | }
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286 |
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287 | /**
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288 | * Obtain active bots
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289 | */
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290 | function obtain_bots()
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291 | {
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292 | if (($bots = $this->get('_bots')) === false)
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293 | {
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294 | global $db;
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295 |
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296 | switch ($db->sql_layer)
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297 | {
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298 | case 'mssql':
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299 | case 'mssql_odbc':
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300 | $sql = 'SELECT user_id, bot_agent, bot_ip
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301 | FROM ' . BOTS_TABLE . '
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302 | WHERE bot_active = 1
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303 | ORDER BY LEN(bot_agent) DESC';
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304 | break;
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305 |
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306 | case 'firebird':
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307 | $sql = 'SELECT user_id, bot_agent, bot_ip
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308 | FROM ' . BOTS_TABLE . '
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309 | WHERE bot_active = 1
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310 | ORDER BY CHAR_LENGTH(bot_agent) DESC';
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311 | break;
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312 |
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313 | // LENGTH supported by MySQL, IBM DB2 and Oracle for sure...
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314 | default:
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315 | $sql = 'SELECT user_id, bot_agent, bot_ip
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316 | FROM ' . BOTS_TABLE . '
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317 | WHERE bot_active = 1
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318 | ORDER BY LENGTH(bot_agent) DESC';
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319 | break;
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320 | }
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321 | $result = $db->sql_query($sql);
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322 |
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323 | $bots = array();
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324 | while ($row = $db->sql_fetchrow($result))
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325 | {
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326 | $bots[] = $row;
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327 | }
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328 | $db->sql_freeresult($result);
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329 |
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330 | $this->put('_bots', $bots);
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331 | }
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332 |
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333 | return $bots;
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334 | }
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335 |
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336 | /**
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337 | * Obtain cfg file data
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338 | */
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339 | function obtain_cfg_items($theme)
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340 | {
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341 | global $config, $phpbb_root_path;
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342 |
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343 | $parsed_items = array(
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344 | 'theme' => array(),
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345 | 'template' => array(),
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346 | 'imageset' => array()
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347 | );
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348 |
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349 | foreach ($parsed_items as $key => $parsed_array)
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350 | {
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351 | $parsed_array = $this->get('_cfg_' . $key . '_' . $theme[$key . '_path']);
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352 |
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353 | if ($parsed_array === false)
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354 | {
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355 | $parsed_array = array();
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356 | }
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357 |
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358 | $reparse = false;
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359 | $filename = $phpbb_root_path . 'styles/' . $theme[$key . '_path'] . '/' . $key . '/' . $key . '.cfg';
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360 |
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361 | if (!file_exists($filename))
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362 | {
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363 | continue;
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364 | }
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365 |
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366 | if (!isset($parsed_array['filetime']) || (($config['load_tplcompile'] && @filemtime($filename) > $parsed_array['filetime'])))
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367 | {
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368 | $reparse = true;
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369 | }
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370 |
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371 | // Re-parse cfg file
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372 | if ($reparse)
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373 | {
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374 | $parsed_array = parse_cfg_file($filename);
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375 | $parsed_array['filetime'] = @filemtime($filename);
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376 |
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377 | $this->put('_cfg_' . $key . '_' . $theme[$key . '_path'], $parsed_array);
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378 | }
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379 | $parsed_items[$key] = $parsed_array;
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380 | }
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381 |
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382 | return $parsed_items;
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383 | }
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384 |
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385 | /**
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386 | * Obtain disallowed usernames
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387 | */
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388 | function obtain_disallowed_usernames()
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389 | {
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390 | if (($usernames = $this->get('_disallowed_usernames')) === false)
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391 | {
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392 | global $db;
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393 |
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394 | $sql = 'SELECT disallow_username
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395 | FROM ' . DISALLOW_TABLE;
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396 | $result = $db->sql_query($sql);
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397 |
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398 | $usernames = array();
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399 | while ($row = $db->sql_fetchrow($result))
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400 | {
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401 | $usernames[] = str_replace('%', '.*?', preg_quote(utf8_clean_string($row['disallow_username']), '#'));
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402 | }
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403 | $db->sql_freeresult($result);
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404 |
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405 | $this->put('_disallowed_usernames', $usernames);
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406 | }
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407 |
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408 | return $usernames;
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409 | }
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410 |
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411 | /**
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412 | * Obtain hooks...
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413 | */
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414 | function obtain_hooks()
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415 | {
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416 | global $phpbb_root_path, $phpEx;
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417 |
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418 | if (($hook_files = $this->get('_hooks')) === false)
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419 | {
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420 | $hook_files = array();
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421 |
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422 | // Now search for hooks...
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423 | $dh = @opendir($phpbb_root_path . 'includes/hooks/');
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424 |
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425 | if ($dh)
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426 | {
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427 | while (($file = readdir($dh)) !== false)
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428 | {
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429 | if (strpos($file, 'hook_') === 0 && substr($file, -(strlen($phpEx) + 1)) === '.' . $phpEx)
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430 | {
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431 | $hook_files[] = substr($file, 0, -(strlen($phpEx) + 1));
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432 | }
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433 | }
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434 | closedir($dh);
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435 | }
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436 |
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437 | $this->put('_hooks', $hook_files);
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438 | }
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439 |
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440 | return $hook_files;
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441 | }
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442 | }
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443 |
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444 | ?>
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