1 | <?php
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2 | /**
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3 | *
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4 | * @package phpBB3
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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 | * Permission/Auth class
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21 | * @package phpBB3
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22 | */
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23 | class auth
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24 | {
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25 | var $acl = array();
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26 | var $cache = array();
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27 | var $acl_options = array();
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28 | var $acl_forum_ids = false;
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29 |
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30 | /**
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31 | * Init permissions
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32 | */
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33 | function acl(&$userdata)
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34 | {
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35 | global $db, $cache;
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36 |
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37 | $this->acl = $this->cache = $this->acl_options = array();
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38 | $this->acl_forum_ids = false;
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39 |
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40 | if (($this->acl_options = $cache->get('_acl_options')) === false)
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41 | {
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42 | $sql = 'SELECT auth_option_id, auth_option, is_global, is_local
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43 | FROM ' . ACL_OPTIONS_TABLE . '
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44 | ORDER BY auth_option_id';
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45 | $result = $db->sql_query($sql);
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46 |
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47 | $global = $local = 0;
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48 | $this->acl_options = array();
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49 | while ($row = $db->sql_fetchrow($result))
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50 | {
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51 | if ($row['is_global'])
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52 | {
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53 | $this->acl_options['global'][$row['auth_option']] = $global++;
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54 | }
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55 |
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56 | if ($row['is_local'])
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57 | {
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58 | $this->acl_options['local'][$row['auth_option']] = $local++;
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59 | }
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60 |
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61 | $this->acl_options['id'][$row['auth_option']] = (int) $row['auth_option_id'];
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62 | $this->acl_options['option'][(int) $row['auth_option_id']] = $row['auth_option'];
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63 | }
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64 | $db->sql_freeresult($result);
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65 |
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66 | $cache->put('_acl_options', $this->acl_options);
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67 | }
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68 |
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69 | if (!trim($userdata['user_permissions']))
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70 | {
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71 | $this->acl_cache($userdata);
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72 | }
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73 |
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74 | // Fill ACL array
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75 | $this->_fill_acl($userdata['user_permissions']);
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76 |
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77 | // Verify bitstring length with options provided...
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78 | $renew = false;
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79 | $global_length = sizeof($this->acl_options['global']);
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80 | $local_length = sizeof($this->acl_options['local']);
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81 |
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82 | // Specify comparing length (bitstring is padded to 31 bits)
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83 | $global_length = ($global_length % 31) ? ($global_length - ($global_length % 31) + 31) : $global_length;
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84 | $local_length = ($local_length % 31) ? ($local_length - ($local_length % 31) + 31) : $local_length;
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85 |
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86 | // You thought we are finished now? Noooo... now compare them.
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87 | foreach ($this->acl as $forum_id => $bitstring)
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88 | {
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89 | if (($forum_id && strlen($bitstring) != $local_length) || (!$forum_id && strlen($bitstring) != $global_length))
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90 | {
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91 | $renew = true;
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92 | break;
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93 | }
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94 | }
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95 |
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96 | // If a bitstring within the list does not match the options, we have a user with incorrect permissions set and need to renew them
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97 | if ($renew)
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98 | {
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99 | $this->acl_cache($userdata);
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100 | $this->_fill_acl($userdata['user_permissions']);
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101 | }
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102 |
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103 | return;
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104 | }
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105 |
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106 | /**
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107 | * Fill ACL array with relevant bitstrings from user_permissions column
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108 | * @access private
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109 | */
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110 | function _fill_acl($user_permissions)
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111 | {
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112 | $this->acl = array();
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113 | $user_permissions = explode("\n", $user_permissions);
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114 |
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115 | foreach ($user_permissions as $f => $seq)
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116 | {
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117 | if ($seq)
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118 | {
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119 | $i = 0;
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120 |
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121 | if (!isset($this->acl[$f]))
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122 | {
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123 | $this->acl[$f] = '';
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124 | }
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125 |
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126 | while ($subseq = substr($seq, $i, 6))
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127 | {
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128 | // We put the original bitstring into the acl array
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129 | $this->acl[$f] .= str_pad(base_convert($subseq, 36, 2), 31, 0, STR_PAD_LEFT);
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130 | $i += 6;
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131 | }
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132 | }
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133 | }
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134 | }
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135 |
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136 | /**
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137 | * Look up an option
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138 | * if the option is prefixed with !, then the result becomes negated
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139 | *
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140 | * If a forum id is specified the local option will be combined with a global option if one exist.
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141 | * If a forum id is not specified, only the global option will be checked.
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142 | */
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143 | function acl_get($opt, $f = 0)
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144 | {
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145 | $negate = false;
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146 |
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147 | if (strpos($opt, '!') === 0)
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148 | {
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149 | $negate = true;
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150 | $opt = substr($opt, 1);
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151 | }
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152 |
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153 | if (!isset($this->cache[$f][$opt]))
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154 | {
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155 | // We combine the global/local option with an OR because some options are global and local.
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156 | // If the user has the global permission the local one is true too and vice versa
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157 | $this->cache[$f][$opt] = false;
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158 |
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159 | // Is this option a global permission setting?
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160 | if (isset($this->acl_options['global'][$opt]))
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161 | {
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162 | if (isset($this->acl[0]))
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163 | {
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164 | $this->cache[$f][$opt] = $this->acl[0][$this->acl_options['global'][$opt]];
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165 | }
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166 | }
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167 |
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168 | // Is this option a local permission setting?
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169 | // But if we check for a global option only, we won't combine the options...
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170 | if ($f != 0 && isset($this->acl_options['local'][$opt]))
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171 | {
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172 | if (isset($this->acl[$f]) && isset($this->acl[$f][$this->acl_options['local'][$opt]]))
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173 | {
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174 | $this->cache[$f][$opt] |= $this->acl[$f][$this->acl_options['local'][$opt]];
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175 | }
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176 | }
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177 | }
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178 |
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179 | // Founder always has all global options set to true...
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180 | return ($negate) ? !$this->cache[$f][$opt] : $this->cache[$f][$opt];
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181 | }
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182 |
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183 | /**
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184 | * Get forums with the specified permission setting
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185 | * if the option is prefixed with !, then the result becomes nagated
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186 | *
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187 | * @param bool $clean set to true if only values needs to be returned which are set/unset
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188 | */
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189 | function acl_getf($opt, $clean = false)
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190 | {
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191 | $acl_f = array();
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192 | $negate = false;
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193 |
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194 | if (strpos($opt, '!') === 0)
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195 | {
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196 | $negate = true;
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197 | $opt = substr($opt, 1);
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198 | }
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199 |
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200 | // If we retrieve a list of forums not having permissions in, we need to get every forum_id
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201 | if ($negate)
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202 | {
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203 | if ($this->acl_forum_ids === false)
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204 | {
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205 | global $db;
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206 |
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207 | $sql = 'SELECT forum_id
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208 | FROM ' . FORUMS_TABLE;
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209 |
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210 | if (sizeof($this->acl))
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211 | {
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212 | $sql .= ' WHERE ' . $db->sql_in_set('forum_id', array_keys($this->acl), true);
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213 | }
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214 | $result = $db->sql_query($sql);
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215 |
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216 | $this->acl_forum_ids = array();
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217 | while ($row = $db->sql_fetchrow($result))
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218 | {
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219 | $this->acl_forum_ids[] = $row['forum_id'];
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220 | }
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221 | $db->sql_freeresult($result);
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222 | }
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223 | }
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224 |
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225 | if (isset($this->acl_options['local'][$opt]))
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226 | {
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227 | foreach ($this->acl as $f => $bitstring)
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228 | {
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229 | // Skip global settings
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230 | if (!$f)
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231 | {
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232 | continue;
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233 | }
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234 |
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235 | $allowed = (!isset($this->cache[$f][$opt])) ? $this->acl_get($opt, $f) : $this->cache[$f][$opt];
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236 |
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237 | if (!$clean)
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238 | {
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239 | $acl_f[$f][$opt] = ($negate) ? !$allowed : $allowed;
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240 | }
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241 | else
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242 | {
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243 | if (($negate && !$allowed) || (!$negate && $allowed))
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244 | {
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245 | $acl_f[$f][$opt] = 1;
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246 | }
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247 | }
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248 | }
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249 | }
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250 |
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251 | // If we get forum_ids not having this permission, we need to fill the remaining parts
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252 | if ($negate && sizeof($this->acl_forum_ids))
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253 | {
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254 | foreach ($this->acl_forum_ids as $f)
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255 | {
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256 | $acl_f[$f][$opt] = 1;
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257 | }
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258 | }
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259 |
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260 | return $acl_f;
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261 | }
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262 |
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263 | /**
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264 | * Get local permission state for any forum.
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265 | *
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266 | * Returns true if user has the permission in one or more forums, false if in no forum.
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267 | * If global option is checked it returns the global state (same as acl_get($opt))
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268 | * Local option has precedence...
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269 | */
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270 | function acl_getf_global($opt)
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271 | {
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272 | if (is_array($opt))
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273 | {
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274 | // evaluates to true as soon as acl_getf_global is true for one option
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275 | foreach ($opt as $check_option)
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276 | {
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277 | if ($this->acl_getf_global($check_option))
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278 | {
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279 | return true;
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280 | }
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281 | }
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282 |
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283 | return false;
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284 | }
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285 |
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286 | if (isset($this->acl_options['local'][$opt]))
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287 | {
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288 | foreach ($this->acl as $f => $bitstring)
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289 | {
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290 | // Skip global settings
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291 | if (!$f)
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292 | {
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293 | continue;
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294 | }
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295 |
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296 | // as soon as the user has any permission we're done so return true
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297 | if ((!isset($this->cache[$f][$opt])) ? $this->acl_get($opt, $f) : $this->cache[$f][$opt])
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298 | {
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299 | return true;
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300 | }
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301 | }
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302 | }
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303 | else if (isset($this->acl_options['global'][$opt]))
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304 | {
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305 | return $this->acl_get($opt);
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306 | }
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307 |
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308 | return false;
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309 | }
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310 |
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311 | /**
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312 | * Get permission settings (more than one)
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313 | */
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314 | function acl_gets()
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315 | {
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316 | $args = func_get_args();
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317 | $f = array_pop($args);
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318 |
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319 | if (!is_numeric($f))
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320 | {
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321 | $args[] = $f;
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322 | $f = 0;
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323 | }
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324 |
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325 | // alternate syntax: acl_gets(array('m_', 'a_'), $forum_id)
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326 | if (is_array($args[0]))
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327 | {
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328 | $args = $args[0];
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329 | }
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330 |
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331 | $acl = 0;
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332 | foreach ($args as $opt)
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333 | {
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334 | $acl |= $this->acl_get($opt, $f);
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335 | }
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336 |
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337 | return $acl;
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338 | }
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339 |
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340 | /**
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341 | * Get permission listing based on user_id/options/forum_ids
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342 | */
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343 | function acl_get_list($user_id = false, $opts = false, $forum_id = false)
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344 | {
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345 | if ($user_id !== false && !is_array($user_id) && $opts === false && $forum_id === false)
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346 | {
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347 | $hold_ary = array($user_id => $this->acl_raw_data_single_user($user_id));
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348 | }
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349 | else
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350 | {
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351 | $hold_ary = $this->acl_raw_data($user_id, $opts, $forum_id);
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352 | }
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353 |
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354 | $auth_ary = array();
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355 | foreach ($hold_ary as $user_id => $forum_ary)
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356 | {
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357 | foreach ($forum_ary as $forum_id => $auth_option_ary)
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358 | {
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359 | foreach ($auth_option_ary as $auth_option => $auth_setting)
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360 | {
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361 | if ($auth_setting)
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362 | {
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363 | $auth_ary[$forum_id][$auth_option][] = $user_id;
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364 | }
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365 | }
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366 | }
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367 | }
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368 |
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369 | return $auth_ary;
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370 | }
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371 |
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372 | /**
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373 | * Cache data to user_permissions row
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374 | */
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375 | function acl_cache(&$userdata)
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376 | {
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377 | global $db;
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378 |
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379 | // Empty user_permissions
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380 | $userdata['user_permissions'] = '';
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381 |
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382 | $hold_ary = $this->acl_raw_data_single_user($userdata['user_id']);
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383 |
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384 | // Key 0 in $hold_ary are global options, all others are forum_ids
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385 |
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386 | // If this user is founder we're going to force fill the admin options ...
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387 | if ($userdata['user_type'] == USER_FOUNDER)
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388 | {
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389 | foreach ($this->acl_options['global'] as $opt => $id)
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390 | {
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391 | if (strpos($opt, 'a_') === 0)
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392 | {
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393 | $hold_ary[0][$this->acl_options['id'][$opt]] = ACL_YES;
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394 | }
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395 | }
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396 | }
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397 |
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398 | $hold_str = $this->build_bitstring($hold_ary);
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399 |
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400 | if ($hold_str)
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401 | {
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402 | $userdata['user_permissions'] = $hold_str;
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403 |
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404 | $sql = 'UPDATE ' . USERS_TABLE . "
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405 | SET user_permissions = '" . $db->sql_escape($userdata['user_permissions']) . "',
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406 | user_perm_from = 0
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407 | WHERE user_id = " . $userdata['user_id'];
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408 | $db->sql_query($sql);
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409 | }
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410 |
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411 | return;
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412 | }
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413 |
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414 | /**
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415 | * Build bitstring from permission set
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416 | */
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417 | function build_bitstring(&$hold_ary)
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418 | {
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419 | $hold_str = '';
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420 |
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421 | if (sizeof($hold_ary))
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422 | {
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423 | ksort($hold_ary);
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424 |
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425 | $last_f = 0;
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426 |
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427 | foreach ($hold_ary as $f => $auth_ary)
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428 | {
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429 | $ary_key = (!$f) ? 'global' : 'local';
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430 |
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431 | $bitstring = array();
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432 | foreach ($this->acl_options[$ary_key] as $opt => $id)
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433 | {
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434 | if (isset($auth_ary[$this->acl_options['id'][$opt]]))
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435 | {
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436 | $bitstring[$id] = $auth_ary[$this->acl_options['id'][$opt]];
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437 |
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438 | $option_key = substr($opt, 0, strpos($opt, '_') + 1);
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439 |
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440 | // If one option is allowed, the global permission for this option has to be allowed too
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441 | // example: if the user has the a_ permission this means he has one or more a_* permissions
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442 | if ($auth_ary[$this->acl_options['id'][$opt]] == ACL_YES && (!isset($bitstring[$this->acl_options[$ary_key][$option_key]]) || $bitstring[$this->acl_options[$ary_key][$option_key]] == ACL_NEVER))
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443 | {
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444 | $bitstring[$this->acl_options[$ary_key][$option_key]] = ACL_YES;
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445 | }
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446 | }
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447 | else
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448 | {
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449 | $bitstring[$id] = ACL_NEVER;
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450 | }
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451 | }
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452 |
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453 | // Now this bitstring defines the permission setting for the current forum $f (or global setting)
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454 | $bitstring = implode('', $bitstring);
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455 |
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456 | // The line number indicates the id, therefore we have to add empty lines for those ids not present
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457 | $hold_str .= str_repeat("\n", $f - $last_f);
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458 |
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459 | // Convert bitstring for storage - we do not use binary/bytes because PHP's string functions are not fully binary safe
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460 | for ($i = 0, $bit_length = strlen($bitstring); $i < $bit_length; $i += 31)
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461 | {
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462 | $hold_str .= str_pad(base_convert(str_pad(substr($bitstring, $i, 31), 31, 0, STR_PAD_RIGHT), 2, 36), 6, 0, STR_PAD_LEFT);
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463 | }
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464 |
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465 | $last_f = $f;
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466 | }
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467 | unset($bitstring);
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468 |
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469 | $hold_str = rtrim($hold_str);
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470 | }
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471 |
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472 | return $hold_str;
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473 | }
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474 |
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475 | /**
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476 | * Clear one or all users cached permission settings
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477 | */
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478 | function acl_clear_prefetch($user_id = false)
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479 | {
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480 | global $db, $cache;
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481 |
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482 | // Rebuild options cache
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483 | $cache->destroy('_role_cache');
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484 |
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485 | $sql = 'SELECT *
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---|
486 | FROM ' . ACL_ROLES_DATA_TABLE . '
|
---|
487 | ORDER BY role_id ASC';
|
---|
488 | $result = $db->sql_query($sql);
|
---|
489 |
|
---|
490 | $this->role_cache = array();
|
---|
491 | while ($row = $db->sql_fetchrow($result))
|
---|
492 | {
|
---|
493 | $this->role_cache[$row['role_id']][$row['auth_option_id']] = (int) $row['auth_setting'];
|
---|
494 | }
|
---|
495 | $db->sql_freeresult($result);
|
---|
496 |
|
---|
497 | foreach ($this->role_cache as $role_id => $role_options)
|
---|
498 | {
|
---|
499 | $this->role_cache[$role_id] = serialize($role_options);
|
---|
500 | }
|
---|
501 |
|
---|
502 | $cache->put('_role_cache', $this->role_cache);
|
---|
503 |
|
---|
504 | // Now empty user permissions
|
---|
505 | $where_sql = '';
|
---|
506 |
|
---|
507 | if ($user_id !== false)
|
---|
508 | {
|
---|
509 | $user_id = (!is_array($user_id)) ? $user_id = array((int) $user_id) : array_map('intval', $user_id);
|
---|
510 | $where_sql = ' WHERE ' . $db->sql_in_set('user_id', $user_id);
|
---|
511 | }
|
---|
512 |
|
---|
513 | $sql = 'UPDATE ' . USERS_TABLE . "
|
---|
514 | SET user_permissions = '',
|
---|
515 | user_perm_from = 0
|
---|
516 | $where_sql";
|
---|
517 | $db->sql_query($sql);
|
---|
518 |
|
---|
519 | return;
|
---|
520 | }
|
---|
521 |
|
---|
522 | /**
|
---|
523 | * Get assigned roles
|
---|
524 | */
|
---|
525 | function acl_role_data($user_type, $role_type, $ug_id = false, $forum_id = false)
|
---|
526 | {
|
---|
527 | global $db;
|
---|
528 |
|
---|
529 | $roles = array();
|
---|
530 |
|
---|
531 | $sql_id = ($user_type == 'user') ? 'user_id' : 'group_id';
|
---|
532 |
|
---|
533 | $sql_ug = ($ug_id !== false) ? ((!is_array($ug_id)) ? "AND a.$sql_id = $ug_id" : 'AND ' . $db->sql_in_set("a.$sql_id", $ug_id)) : '';
|
---|
534 | $sql_forum = ($forum_id !== false) ? ((!is_array($forum_id)) ? "AND a.forum_id = $forum_id" : 'AND ' . $db->sql_in_set('a.forum_id', $forum_id)) : '';
|
---|
535 |
|
---|
536 | // Grab assigned roles...
|
---|
537 | $sql = 'SELECT a.auth_role_id, a.' . $sql_id . ', a.forum_id
|
---|
538 | FROM ' . (($user_type == 'user') ? ACL_USERS_TABLE : ACL_GROUPS_TABLE) . ' a, ' . ACL_ROLES_TABLE . " r
|
---|
539 | WHERE a.auth_role_id = r.role_id
|
---|
540 | AND r.role_type = '" . $db->sql_escape($role_type) . "'
|
---|
541 | $sql_ug
|
---|
542 | $sql_forum
|
---|
543 | ORDER BY r.role_order ASC";
|
---|
544 | $result = $db->sql_query($sql);
|
---|
545 |
|
---|
546 | while ($row = $db->sql_fetchrow($result))
|
---|
547 | {
|
---|
548 | $roles[$row[$sql_id]][$row['forum_id']] = $row['auth_role_id'];
|
---|
549 | }
|
---|
550 | $db->sql_freeresult($result);
|
---|
551 |
|
---|
552 | return $roles;
|
---|
553 | }
|
---|
554 |
|
---|
555 | /**
|
---|
556 | * Get raw acl data based on user/option/forum
|
---|
557 | */
|
---|
558 | function acl_raw_data($user_id = false, $opts = false, $forum_id = false)
|
---|
559 | {
|
---|
560 | global $db;
|
---|
561 |
|
---|
562 | $sql_user = ($user_id !== false) ? ((!is_array($user_id)) ? 'user_id = ' . (int) $user_id : $db->sql_in_set('user_id', array_map('intval', $user_id))) : '';
|
---|
563 | $sql_forum = ($forum_id !== false) ? ((!is_array($forum_id)) ? 'AND a.forum_id = ' . (int) $forum_id : 'AND ' . $db->sql_in_set('a.forum_id', array_map('intval', $forum_id))) : '';
|
---|
564 |
|
---|
565 | $sql_opts = $sql_opts_select = $sql_opts_from = '';
|
---|
566 | $hold_ary = array();
|
---|
567 |
|
---|
568 | if ($opts !== false)
|
---|
569 | {
|
---|
570 | $sql_opts_select = ', ao.auth_option';
|
---|
571 | $sql_opts_from = ', ' . ACL_OPTIONS_TABLE . ' ao';
|
---|
572 | $this->build_auth_option_statement('ao.auth_option', $opts, $sql_opts);
|
---|
573 | }
|
---|
574 |
|
---|
575 | $sql_ary = array();
|
---|
576 |
|
---|
577 | // Grab non-role settings - user-specific
|
---|
578 | $sql_ary[] = 'SELECT a.user_id, a.forum_id, a.auth_setting, a.auth_option_id' . $sql_opts_select . '
|
---|
579 | FROM ' . ACL_USERS_TABLE . ' a' . $sql_opts_from . '
|
---|
580 | WHERE a.auth_role_id = 0 ' .
|
---|
581 | (($sql_opts_from) ? 'AND a.auth_option_id = ao.auth_option_id ' : '') .
|
---|
582 | (($sql_user) ? 'AND a.' . $sql_user : '') . "
|
---|
583 | $sql_forum
|
---|
584 | $sql_opts";
|
---|
585 |
|
---|
586 | // Now the role settings - user-specific
|
---|
587 | $sql_ary[] = 'SELECT a.user_id, a.forum_id, r.auth_option_id, r.auth_setting, r.auth_option_id' . $sql_opts_select . '
|
---|
588 | FROM ' . ACL_USERS_TABLE . ' a, ' . ACL_ROLES_DATA_TABLE . ' r' . $sql_opts_from . '
|
---|
589 | WHERE a.auth_role_id = r.role_id ' .
|
---|
590 | (($sql_opts_from) ? 'AND r.auth_option_id = ao.auth_option_id ' : '') .
|
---|
591 | (($sql_user) ? 'AND a.' . $sql_user : '') . "
|
---|
592 | $sql_forum
|
---|
593 | $sql_opts";
|
---|
594 |
|
---|
595 | foreach ($sql_ary as $sql)
|
---|
596 | {
|
---|
597 | $result = $db->sql_query($sql);
|
---|
598 |
|
---|
599 | while ($row = $db->sql_fetchrow($result))
|
---|
600 | {
|
---|
601 | $option = ($sql_opts_select) ? $row['auth_option'] : $this->acl_options['option'][$row['auth_option_id']];
|
---|
602 | $hold_ary[$row['user_id']][$row['forum_id']][$option] = $row['auth_setting'];
|
---|
603 | }
|
---|
604 | $db->sql_freeresult($result);
|
---|
605 | }
|
---|
606 |
|
---|
607 | $sql_ary = array();
|
---|
608 |
|
---|
609 | // Now grab group settings - non-role specific...
|
---|
610 | $sql_ary[] = 'SELECT ug.user_id, a.forum_id, a.auth_setting, a.auth_option_id' . $sql_opts_select . '
|
---|
611 | FROM ' . ACL_GROUPS_TABLE . ' a, ' . USER_GROUP_TABLE . ' ug, ' . GROUPS_TABLE . ' g' . $sql_opts_from . '
|
---|
612 | WHERE a.auth_role_id = 0 ' .
|
---|
613 | (($sql_opts_from) ? 'AND a.auth_option_id = ao.auth_option_id ' : '') . '
|
---|
614 | AND a.group_id = ug.group_id
|
---|
615 | AND g.group_id = ug.group_id
|
---|
616 | AND ug.user_pending = 0
|
---|
617 | AND NOT (ug.group_leader = 1 AND g.group_skip_auth = 1)
|
---|
618 | ' . (($sql_user) ? 'AND ug.' . $sql_user : '') . "
|
---|
619 | $sql_forum
|
---|
620 | $sql_opts";
|
---|
621 |
|
---|
622 | // Now grab group settings - role specific...
|
---|
623 | $sql_ary[] = 'SELECT ug.user_id, a.forum_id, r.auth_setting, r.auth_option_id' . $sql_opts_select . '
|
---|
624 | FROM ' . ACL_GROUPS_TABLE . ' a, ' . USER_GROUP_TABLE . ' ug, ' . GROUPS_TABLE . ' g, ' . ACL_ROLES_DATA_TABLE . ' r' . $sql_opts_from . '
|
---|
625 | WHERE a.auth_role_id = r.role_id ' .
|
---|
626 | (($sql_opts_from) ? 'AND r.auth_option_id = ao.auth_option_id ' : '') . '
|
---|
627 | AND a.group_id = ug.group_id
|
---|
628 | AND g.group_id = ug.group_id
|
---|
629 | AND ug.user_pending = 0
|
---|
630 | AND NOT (ug.group_leader = 1 AND g.group_skip_auth = 1)
|
---|
631 | ' . (($sql_user) ? 'AND ug.' . $sql_user : '') . "
|
---|
632 | $sql_forum
|
---|
633 | $sql_opts";
|
---|
634 |
|
---|
635 | foreach ($sql_ary as $sql)
|
---|
636 | {
|
---|
637 | $result = $db->sql_query($sql);
|
---|
638 |
|
---|
639 | while ($row = $db->sql_fetchrow($result))
|
---|
640 | {
|
---|
641 | $option = ($sql_opts_select) ? $row['auth_option'] : $this->acl_options['option'][$row['auth_option_id']];
|
---|
642 |
|
---|
643 | if (!isset($hold_ary[$row['user_id']][$row['forum_id']][$option]) || (isset($hold_ary[$row['user_id']][$row['forum_id']][$option]) && $hold_ary[$row['user_id']][$row['forum_id']][$option] != ACL_NEVER))
|
---|
644 | {
|
---|
645 | $hold_ary[$row['user_id']][$row['forum_id']][$option] = $row['auth_setting'];
|
---|
646 |
|
---|
647 | // If we detect ACL_NEVER, we will unset the flag option (within building the bitstring it is correctly set again)
|
---|
648 | if ($row['auth_setting'] == ACL_NEVER)
|
---|
649 | {
|
---|
650 | $flag = substr($option, 0, strpos($option, '_') + 1);
|
---|
651 |
|
---|
652 | if (isset($hold_ary[$row['user_id']][$row['forum_id']][$flag]) && $hold_ary[$row['user_id']][$row['forum_id']][$flag] == ACL_YES)
|
---|
653 | {
|
---|
654 | unset($hold_ary[$row['user_id']][$row['forum_id']][$flag]);
|
---|
655 |
|
---|
656 | /* if (in_array(ACL_YES, $hold_ary[$row['user_id']][$row['forum_id']]))
|
---|
657 | {
|
---|
658 | $hold_ary[$row['user_id']][$row['forum_id']][$flag] = ACL_YES;
|
---|
659 | }
|
---|
660 | */
|
---|
661 | }
|
---|
662 | }
|
---|
663 | }
|
---|
664 | }
|
---|
665 | $db->sql_freeresult($result);
|
---|
666 | }
|
---|
667 |
|
---|
668 | return $hold_ary;
|
---|
669 | }
|
---|
670 |
|
---|
671 | /**
|
---|
672 | * Get raw user based permission settings
|
---|
673 | */
|
---|
674 | function acl_user_raw_data($user_id = false, $opts = false, $forum_id = false)
|
---|
675 | {
|
---|
676 | global $db;
|
---|
677 |
|
---|
678 | $sql_user = ($user_id !== false) ? ((!is_array($user_id)) ? 'user_id = ' . (int) $user_id : $db->sql_in_set('user_id', array_map('intval', $user_id))) : '';
|
---|
679 | $sql_forum = ($forum_id !== false) ? ((!is_array($forum_id)) ? 'AND a.forum_id = ' . (int) $forum_id : 'AND ' . $db->sql_in_set('a.forum_id', array_map('intval', $forum_id))) : '';
|
---|
680 |
|
---|
681 | $sql_opts = '';
|
---|
682 | $hold_ary = $sql_ary = array();
|
---|
683 |
|
---|
684 | if ($opts !== false)
|
---|
685 | {
|
---|
686 | $this->build_auth_option_statement('ao.auth_option', $opts, $sql_opts);
|
---|
687 | }
|
---|
688 |
|
---|
689 | // Grab user settings - non-role specific...
|
---|
690 | $sql_ary[] = 'SELECT a.user_id, a.forum_id, a.auth_setting, a.auth_option_id, ao.auth_option
|
---|
691 | FROM ' . ACL_USERS_TABLE . ' a, ' . ACL_OPTIONS_TABLE . ' ao
|
---|
692 | WHERE a.auth_role_id = 0
|
---|
693 | AND a.auth_option_id = ao.auth_option_id ' .
|
---|
694 | (($sql_user) ? 'AND a.' . $sql_user : '') . "
|
---|
695 | $sql_forum
|
---|
696 | $sql_opts
|
---|
697 | ORDER BY a.forum_id, ao.auth_option";
|
---|
698 |
|
---|
699 | // Now the role settings - user-specific
|
---|
700 | $sql_ary[] = 'SELECT a.user_id, a.forum_id, r.auth_option_id, r.auth_setting, r.auth_option_id, ao.auth_option
|
---|
701 | FROM ' . ACL_USERS_TABLE . ' a, ' . ACL_ROLES_DATA_TABLE . ' r, ' . ACL_OPTIONS_TABLE . ' ao
|
---|
702 | WHERE a.auth_role_id = r.role_id
|
---|
703 | AND r.auth_option_id = ao.auth_option_id ' .
|
---|
704 | (($sql_user) ? 'AND a.' . $sql_user : '') . "
|
---|
705 | $sql_forum
|
---|
706 | $sql_opts
|
---|
707 | ORDER BY a.forum_id, ao.auth_option";
|
---|
708 |
|
---|
709 | foreach ($sql_ary as $sql)
|
---|
710 | {
|
---|
711 | $result = $db->sql_query($sql);
|
---|
712 |
|
---|
713 | while ($row = $db->sql_fetchrow($result))
|
---|
714 | {
|
---|
715 | $hold_ary[$row['user_id']][$row['forum_id']][$row['auth_option']] = $row['auth_setting'];
|
---|
716 | }
|
---|
717 | $db->sql_freeresult($result);
|
---|
718 | }
|
---|
719 |
|
---|
720 | return $hold_ary;
|
---|
721 | }
|
---|
722 |
|
---|
723 | /**
|
---|
724 | * Get raw group based permission settings
|
---|
725 | */
|
---|
726 | function acl_group_raw_data($group_id = false, $opts = false, $forum_id = false)
|
---|
727 | {
|
---|
728 | global $db;
|
---|
729 |
|
---|
730 | $sql_group = ($group_id !== false) ? ((!is_array($group_id)) ? 'group_id = ' . (int) $group_id : $db->sql_in_set('group_id', array_map('intval', $group_id))) : '';
|
---|
731 | $sql_forum = ($forum_id !== false) ? ((!is_array($forum_id)) ? 'AND a.forum_id = ' . (int) $forum_id : 'AND ' . $db->sql_in_set('a.forum_id', array_map('intval', $forum_id))) : '';
|
---|
732 |
|
---|
733 | $sql_opts = '';
|
---|
734 | $hold_ary = $sql_ary = array();
|
---|
735 |
|
---|
736 | if ($opts !== false)
|
---|
737 | {
|
---|
738 | $this->build_auth_option_statement('ao.auth_option', $opts, $sql_opts);
|
---|
739 | }
|
---|
740 |
|
---|
741 | // Grab group settings - non-role specific...
|
---|
742 | $sql_ary[] = 'SELECT a.group_id, a.forum_id, a.auth_setting, a.auth_option_id, ao.auth_option
|
---|
743 | FROM ' . ACL_GROUPS_TABLE . ' a, ' . ACL_OPTIONS_TABLE . ' ao
|
---|
744 | WHERE a.auth_role_id = 0
|
---|
745 | AND a.auth_option_id = ao.auth_option_id ' .
|
---|
746 | (($sql_group) ? 'AND a.' . $sql_group : '') . "
|
---|
747 | $sql_forum
|
---|
748 | $sql_opts
|
---|
749 | ORDER BY a.forum_id, ao.auth_option";
|
---|
750 |
|
---|
751 | // Now grab group settings - role specific...
|
---|
752 | $sql_ary[] = 'SELECT a.group_id, a.forum_id, r.auth_setting, r.auth_option_id, ao.auth_option
|
---|
753 | FROM ' . ACL_GROUPS_TABLE . ' a, ' . ACL_ROLES_DATA_TABLE . ' r, ' . ACL_OPTIONS_TABLE . ' ao
|
---|
754 | WHERE a.auth_role_id = r.role_id
|
---|
755 | AND r.auth_option_id = ao.auth_option_id ' .
|
---|
756 | (($sql_group) ? 'AND a.' . $sql_group : '') . "
|
---|
757 | $sql_forum
|
---|
758 | $sql_opts
|
---|
759 | ORDER BY a.forum_id, ao.auth_option";
|
---|
760 |
|
---|
761 | foreach ($sql_ary as $sql)
|
---|
762 | {
|
---|
763 | $result = $db->sql_query($sql);
|
---|
764 |
|
---|
765 | while ($row = $db->sql_fetchrow($result))
|
---|
766 | {
|
---|
767 | $hold_ary[$row['group_id']][$row['forum_id']][$row['auth_option']] = $row['auth_setting'];
|
---|
768 | }
|
---|
769 | $db->sql_freeresult($result);
|
---|
770 | }
|
---|
771 |
|
---|
772 | return $hold_ary;
|
---|
773 | }
|
---|
774 |
|
---|
775 | /**
|
---|
776 | * Get raw acl data based on user for caching user_permissions
|
---|
777 | * This function returns the same data as acl_raw_data(), but without the user id as the first key within the array.
|
---|
778 | */
|
---|
779 | function acl_raw_data_single_user($user_id)
|
---|
780 | {
|
---|
781 | global $db, $cache;
|
---|
782 |
|
---|
783 | // Check if the role-cache is there
|
---|
784 | if (($this->role_cache = $cache->get('_role_cache')) === false)
|
---|
785 | {
|
---|
786 | $this->role_cache = array();
|
---|
787 |
|
---|
788 | // We pre-fetch roles
|
---|
789 | $sql = 'SELECT *
|
---|
790 | FROM ' . ACL_ROLES_DATA_TABLE . '
|
---|
791 | ORDER BY role_id ASC';
|
---|
792 | $result = $db->sql_query($sql);
|
---|
793 |
|
---|
794 | while ($row = $db->sql_fetchrow($result))
|
---|
795 | {
|
---|
796 | $this->role_cache[$row['role_id']][$row['auth_option_id']] = (int) $row['auth_setting'];
|
---|
797 | }
|
---|
798 | $db->sql_freeresult($result);
|
---|
799 |
|
---|
800 | foreach ($this->role_cache as $role_id => $role_options)
|
---|
801 | {
|
---|
802 | $this->role_cache[$role_id] = serialize($role_options);
|
---|
803 | }
|
---|
804 |
|
---|
805 | $cache->put('_role_cache', $this->role_cache);
|
---|
806 | }
|
---|
807 |
|
---|
808 | $hold_ary = array();
|
---|
809 |
|
---|
810 | // Grab user-specific permission settings
|
---|
811 | $sql = 'SELECT forum_id, auth_option_id, auth_role_id, auth_setting
|
---|
812 | FROM ' . ACL_USERS_TABLE . '
|
---|
813 | WHERE user_id = ' . $user_id;
|
---|
814 | $result = $db->sql_query($sql);
|
---|
815 |
|
---|
816 | while ($row = $db->sql_fetchrow($result))
|
---|
817 | {
|
---|
818 | // If a role is assigned, assign all options included within this role. Else, only set this one option.
|
---|
819 | if ($row['auth_role_id'])
|
---|
820 | {
|
---|
821 | $hold_ary[$row['forum_id']] = (empty($hold_ary[$row['forum_id']])) ? unserialize($this->role_cache[$row['auth_role_id']]) : $hold_ary[$row['forum_id']] + unserialize($this->role_cache[$row['auth_role_id']]);
|
---|
822 | }
|
---|
823 | else
|
---|
824 | {
|
---|
825 | $hold_ary[$row['forum_id']][$row['auth_option_id']] = $row['auth_setting'];
|
---|
826 | }
|
---|
827 | }
|
---|
828 | $db->sql_freeresult($result);
|
---|
829 |
|
---|
830 | // Now grab group-specific permission settings
|
---|
831 | $sql = 'SELECT a.forum_id, a.auth_option_id, a.auth_role_id, a.auth_setting
|
---|
832 | FROM ' . ACL_GROUPS_TABLE . ' a, ' . USER_GROUP_TABLE . ' ug, ' . GROUPS_TABLE . ' g
|
---|
833 | WHERE a.group_id = ug.group_id
|
---|
834 | AND g.group_id = ug.group_id
|
---|
835 | AND ug.user_pending = 0
|
---|
836 | AND NOT (ug.group_leader = 1 AND g.group_skip_auth = 1)
|
---|
837 | AND ug.user_id = ' . $user_id;
|
---|
838 | $result = $db->sql_query($sql);
|
---|
839 |
|
---|
840 | while ($row = $db->sql_fetchrow($result))
|
---|
841 | {
|
---|
842 | if (!$row['auth_role_id'])
|
---|
843 | {
|
---|
844 | $this->_set_group_hold_ary($hold_ary[$row['forum_id']], $row['auth_option_id'], $row['auth_setting']);
|
---|
845 | }
|
---|
846 | else if (!empty($this->role_cache[$row['auth_role_id']]))
|
---|
847 | {
|
---|
848 | foreach (unserialize($this->role_cache[$row['auth_role_id']]) as $option_id => $setting)
|
---|
849 | {
|
---|
850 | $this->_set_group_hold_ary($hold_ary[$row['forum_id']], $option_id, $setting);
|
---|
851 | }
|
---|
852 | }
|
---|
853 | }
|
---|
854 | $db->sql_freeresult($result);
|
---|
855 |
|
---|
856 | return $hold_ary;
|
---|
857 | }
|
---|
858 |
|
---|
859 | /**
|
---|
860 | * Private function snippet for setting a specific piece of the hold_ary
|
---|
861 | */
|
---|
862 | function _set_group_hold_ary(&$hold_ary, $option_id, $setting)
|
---|
863 | {
|
---|
864 | if (!isset($hold_ary[$option_id]) || (isset($hold_ary[$option_id]) && $hold_ary[$option_id] != ACL_NEVER))
|
---|
865 | {
|
---|
866 | $hold_ary[$option_id] = $setting;
|
---|
867 |
|
---|
868 | // If we detect ACL_NEVER, we will unset the flag option (within building the bitstring it is correctly set again)
|
---|
869 | if ($setting == ACL_NEVER)
|
---|
870 | {
|
---|
871 | $flag = substr($this->acl_options['option'][$option_id], 0, strpos($this->acl_options['option'][$option_id], '_') + 1);
|
---|
872 | $flag = (int) $this->acl_options['id'][$flag];
|
---|
873 |
|
---|
874 | if (isset($hold_ary[$flag]) && $hold_ary[$flag] == ACL_YES)
|
---|
875 | {
|
---|
876 | unset($hold_ary[$flag]);
|
---|
877 |
|
---|
878 | /* This is uncommented, because i suspect this being slightly wrong due to mixed permission classes being possible
|
---|
879 | if (in_array(ACL_YES, $hold_ary))
|
---|
880 | {
|
---|
881 | $hold_ary[$flag] = ACL_YES;
|
---|
882 | }*/
|
---|
883 | }
|
---|
884 | }
|
---|
885 | }
|
---|
886 | }
|
---|
887 |
|
---|
888 | /**
|
---|
889 | * Authentication plug-ins is largely down to Sergey Kanareykin, our thanks to him.
|
---|
890 | */
|
---|
891 | function login($username, $password, $autologin = false, $viewonline = 1, $admin = 0)
|
---|
892 | {
|
---|
893 | global $config, $db, $user, $phpbb_root_path, $phpEx;
|
---|
894 |
|
---|
895 | $method = trim(basename($config['auth_method']));
|
---|
896 | include_once($phpbb_root_path . 'includes/auth/auth_' . $method . '.' . $phpEx);
|
---|
897 |
|
---|
898 | $method = 'login_' . $method;
|
---|
899 | if (function_exists($method))
|
---|
900 | {
|
---|
901 | $login = $method($username, $password);
|
---|
902 |
|
---|
903 | // If the auth module wants us to create an empty profile do so and then treat the status as LOGIN_SUCCESS
|
---|
904 | if ($login['status'] == LOGIN_SUCCESS_CREATE_PROFILE)
|
---|
905 | {
|
---|
906 | // we are going to use the user_add function so include functions_user.php if it wasn't defined yet
|
---|
907 | if (!function_exists('user_add'))
|
---|
908 | {
|
---|
909 | include($phpbb_root_path . 'includes/functions_user.' . $phpEx);
|
---|
910 | }
|
---|
911 |
|
---|
912 | user_add($login['user_row'], (isset($login['cp_data'])) ? $login['cp_data'] : false);
|
---|
913 |
|
---|
914 | $sql = 'SELECT user_id, username, user_password, user_passchg, user_email, user_type
|
---|
915 | FROM ' . USERS_TABLE . "
|
---|
916 | WHERE username_clean = '" . $db->sql_escape(utf8_clean_string($username)) . "'";
|
---|
917 | $result = $db->sql_query($sql);
|
---|
918 | $row = $db->sql_fetchrow($result);
|
---|
919 | $db->sql_freeresult($result);
|
---|
920 |
|
---|
921 | if (!$row)
|
---|
922 | {
|
---|
923 | return array(
|
---|
924 | 'status' => LOGIN_ERROR_EXTERNAL_AUTH,
|
---|
925 | 'error_msg' => 'AUTH_NO_PROFILE_CREATED',
|
---|
926 | 'user_row' => array('user_id' => ANONYMOUS),
|
---|
927 | );
|
---|
928 | }
|
---|
929 |
|
---|
930 | $login = array(
|
---|
931 | 'status' => LOGIN_SUCCESS,
|
---|
932 | 'error_msg' => false,
|
---|
933 | 'user_row' => $row,
|
---|
934 | );
|
---|
935 | }
|
---|
936 |
|
---|
937 | // If login succeeded, we will log the user in... else we pass the login array through...
|
---|
938 | if ($login['status'] == LOGIN_SUCCESS)
|
---|
939 | {
|
---|
940 | $old_session_id = $user->session_id;
|
---|
941 |
|
---|
942 | if ($admin)
|
---|
943 | {
|
---|
944 | global $SID, $_SID;
|
---|
945 |
|
---|
946 | $cookie_expire = time() - 31536000;
|
---|
947 | $user->set_cookie('u', '', $cookie_expire);
|
---|
948 | $user->set_cookie('sid', '', $cookie_expire);
|
---|
949 | unset($cookie_expire);
|
---|
950 |
|
---|
951 | $SID = '?sid=';
|
---|
952 | $user->session_id = $_SID = '';
|
---|
953 | }
|
---|
954 |
|
---|
955 | $result = $user->session_create($login['user_row']['user_id'], $admin, $autologin, $viewonline);
|
---|
956 |
|
---|
957 | // Successful session creation
|
---|
958 | if ($result === true)
|
---|
959 | {
|
---|
960 | // If admin re-authentication we remove the old session entry because a new one has been created...
|
---|
961 | if ($admin)
|
---|
962 | {
|
---|
963 | // the login array is used because the user ids do not differ for re-authentication
|
---|
964 | $sql = 'DELETE FROM ' . SESSIONS_TABLE . "
|
---|
965 | WHERE session_id = '" . $db->sql_escape($old_session_id) . "'
|
---|
966 | AND session_user_id = {$login['user_row']['user_id']}";
|
---|
967 | $db->sql_query($sql);
|
---|
968 | }
|
---|
969 |
|
---|
970 | return array(
|
---|
971 | 'status' => LOGIN_SUCCESS,
|
---|
972 | 'error_msg' => false,
|
---|
973 | 'user_row' => $login['user_row'],
|
---|
974 | );
|
---|
975 | }
|
---|
976 |
|
---|
977 | return array(
|
---|
978 | 'status' => LOGIN_BREAK,
|
---|
979 | 'error_msg' => $result,
|
---|
980 | 'user_row' => $login['user_row'],
|
---|
981 | );
|
---|
982 | }
|
---|
983 |
|
---|
984 | return $login;
|
---|
985 | }
|
---|
986 |
|
---|
987 | trigger_error('Authentication method not found', E_USER_ERROR);
|
---|
988 | }
|
---|
989 |
|
---|
990 | /**
|
---|
991 | * Fill auth_option statement for later querying based on the supplied options
|
---|
992 | */
|
---|
993 | function build_auth_option_statement($key, $auth_options, &$sql_opts)
|
---|
994 | {
|
---|
995 | global $db;
|
---|
996 |
|
---|
997 | if (!is_array($auth_options))
|
---|
998 | {
|
---|
999 | if (strpos($auth_options, '%') !== false)
|
---|
1000 | {
|
---|
1001 | $sql_opts = "AND $key " . $db->sql_like_expression(str_replace('%', $db->any_char, $auth_options));
|
---|
1002 | }
|
---|
1003 | else
|
---|
1004 | {
|
---|
1005 | $sql_opts = "AND $key = '" . $db->sql_escape($auth_options) . "'";
|
---|
1006 | }
|
---|
1007 | }
|
---|
1008 | else
|
---|
1009 | {
|
---|
1010 | $is_like_expression = false;
|
---|
1011 |
|
---|
1012 | foreach ($auth_options as $option)
|
---|
1013 | {
|
---|
1014 | if (strpos($option, '%') !== false)
|
---|
1015 | {
|
---|
1016 | $is_like_expression = true;
|
---|
1017 | }
|
---|
1018 | }
|
---|
1019 |
|
---|
1020 | if (!$is_like_expression)
|
---|
1021 | {
|
---|
1022 | $sql_opts = 'AND ' . $db->sql_in_set($key, $auth_options);
|
---|
1023 | }
|
---|
1024 | else
|
---|
1025 | {
|
---|
1026 | $sql = array();
|
---|
1027 |
|
---|
1028 | foreach ($auth_options as $option)
|
---|
1029 | {
|
---|
1030 | if (strpos($option, '%') !== false)
|
---|
1031 | {
|
---|
1032 | $sql[] = $key . ' ' . $db->sql_like_expression(str_replace('%', $db->any_char, $option));
|
---|
1033 | }
|
---|
1034 | else
|
---|
1035 | {
|
---|
1036 | $sql[] = $key . " = '" . $db->sql_escape($option) . "'";
|
---|
1037 | }
|
---|
1038 | }
|
---|
1039 |
|
---|
1040 | $sql_opts = 'AND (' . implode(' OR ', $sql) . ')';
|
---|
1041 | }
|
---|
1042 | }
|
---|
1043 | }
|
---|
1044 | }
|
---|
1045 |
|
---|
1046 | ?>
|
---|