1 | <?php |
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2 | /* vim: set expandtab sw=4 ts=4 sts=4: */ |
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3 | /** |
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4 | * Used to render the footer of PMA's pages |
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5 | * |
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6 | * @package PhpMyAdmin |
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7 | */ |
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8 | declare(strict_types=1); |
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9 | |||
10 | namespace PhpMyAdmin; |
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11 | |||
12 | use Traversable; |
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13 | |||
14 | /** |
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15 | * Class used to output the footer |
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16 | * |
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17 | * @package PhpMyAdmin |
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18 | */ |
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19 | class Footer |
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20 | { |
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21 | /** |
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22 | * Scripts instance |
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23 | * |
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24 | * @access private |
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25 | * @var Scripts |
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26 | */ |
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27 | private $_scripts; |
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28 | /** |
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29 | * Whether we are servicing an ajax request. |
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30 | * |
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31 | * @access private |
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32 | * @var bool |
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33 | */ |
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34 | private $_isAjax; |
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35 | /** |
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36 | * Whether to only close the BODY and HTML tags |
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37 | * or also include scripts, errors and links |
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38 | * |
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39 | * @access private |
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40 | * @var bool |
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41 | */ |
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42 | private $_isMinimal; |
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43 | /** |
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44 | * Whether to display anything |
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45 | * |
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46 | * @access private |
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47 | * @var bool |
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48 | */ |
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49 | private $_isEnabled; |
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50 | |||
51 | /** |
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52 | * @var Relation |
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53 | */ |
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54 | private $relation; |
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55 | |||
56 | /** |
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57 | * @var Template |
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58 | */ |
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59 | private $template; |
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60 | |||
61 | /** |
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62 | * Creates a new class instance |
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63 | */ |
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64 | public function __construct() |
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65 | { |
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66 | $this->template = new Template(); |
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67 | $this->_isEnabled = true; |
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68 | $this->_scripts = new Scripts(); |
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69 | $this->_isMinimal = false; |
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70 | $this->relation = new Relation($GLOBALS['dbi']); |
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71 | } |
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72 | |||
73 | /** |
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74 | * Returns the message for demo server to error messages |
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75 | * |
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76 | * @return string |
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77 | */ |
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78 | private function _getDemoMessage(): string |
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79 | { |
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80 | $message = '<a href="/">' . __('phpMyAdmin Demo Server') . '</a>: '; |
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81 | if (@file_exists(ROOT_PATH . 'revision-info.php')) { |
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82 | include ROOT_PATH . 'revision-info.php'; |
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83 | $message .= sprintf( |
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84 | __('Currently running Git revision %1$s from the %2$s branch.'), |
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85 | '<a target="_blank" rel="noopener noreferrer" href="' . $repobase . $fullrevision . '">' |
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86 | . $revision . '</a>', |
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87 | '<a target="_blank" rel="noopener noreferrer" href="' . $repobranchbase . $branch . '">' |
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88 | . $branch . '</a>' |
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89 | ); |
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90 | } else { |
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91 | $message .= __('Git information missing!'); |
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92 | } |
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93 | |||
94 | return Message::notice($message)->getDisplay(); |
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95 | } |
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96 | |||
97 | /** |
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98 | * Remove recursions and iterator objects from an object |
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99 | * |
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100 | * @param object|array $object Object to clean |
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101 | * @param array $stack Stack used to keep track of recursion, |
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102 | * need not be passed for the first time |
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103 | * |
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104 | * @return object Reference passed object |
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105 | */ |
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106 | private static function _removeRecursion(&$object, array $stack = []) |
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107 | { |
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108 | if ((is_object($object) || is_array($object)) && $object) { |
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109 | if ($object instanceof Traversable) { |
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110 | $object = "***ITERATOR***"; |
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111 | } elseif (! in_array($object, $stack, true)) { |
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112 | $stack[] = $object; |
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113 | foreach ($object as &$subobject) { |
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114 | self::_removeRecursion($subobject, $stack); |
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115 | } |
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116 | } else { |
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117 | $object = "***RECURSION***"; |
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118 | } |
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119 | } |
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120 | return $object; |
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121 | } |
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122 | |||
123 | /** |
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124 | * Renders the debug messages |
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125 | * |
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126 | * @return string |
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127 | */ |
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128 | public function getDebugMessage(): string |
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129 | { |
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130 | $retval = '\'null\''; |
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131 | if ($GLOBALS['cfg']['DBG']['sql'] |
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132 | && empty($_REQUEST['no_debug']) |
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133 | && ! empty($_SESSION['debug']) |
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134 | ) { |
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135 | // Remove recursions and iterators from $_SESSION['debug'] |
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136 | self::_removeRecursion($_SESSION['debug']); |
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137 | |||
138 | $retval = json_encode($_SESSION['debug']); |
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139 | $_SESSION['debug'] = []; |
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140 | return json_last_error() ? '\'false\'' : $retval; |
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141 | } |
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142 | $_SESSION['debug'] = []; |
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143 | return $retval; |
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144 | } |
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145 | |||
146 | /** |
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147 | * Returns the url of the current page |
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148 | * |
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149 | * @return string |
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150 | */ |
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151 | public function getSelfUrl(): string |
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152 | { |
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153 | $db = isset($GLOBALS['db']) && strlen($GLOBALS['db']) ? $GLOBALS['db'] : ''; |
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154 | $table = isset($GLOBALS['table']) && strlen($GLOBALS['table']) ? $GLOBALS['table'] : ''; |
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155 | $target = isset($_REQUEST['target']) && strlen($_REQUEST['target']) ? $_REQUEST['target'] : ''; |
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156 | $params = [ |
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157 | 'db' => $db, |
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158 | 'table' => $table, |
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159 | 'server' => $GLOBALS['server'], |
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160 | 'target' => $target, |
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161 | ]; |
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162 | // needed for server privileges tabs |
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163 | if (isset($_GET['viewing_mode']) |
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164 | && in_array($_GET['viewing_mode'], ['server', 'db', 'table']) |
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165 | ) { |
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166 | $params['viewing_mode'] = $_GET['viewing_mode']; |
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167 | } |
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168 | /* |
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169 | * @todo coming from server_privileges.php, here $db is not set, |
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170 | * add the following condition below when that is fixed |
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171 | * && $_GET['checkprivsdb'] == $db |
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172 | */ |
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173 | if (isset($_GET['checkprivsdb']) |
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174 | ) { |
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175 | $params['checkprivsdb'] = $_GET['checkprivsdb']; |
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176 | } |
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177 | /* |
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178 | * @todo coming from server_privileges.php, here $table is not set, |
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179 | * add the following condition below when that is fixed |
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180 | * && $_REQUEST['checkprivstable'] == $table |
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181 | */ |
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182 | if (isset($_GET['checkprivstable']) |
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183 | ) { |
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184 | $params['checkprivstable'] = $_GET['checkprivstable']; |
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185 | } |
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186 | if (isset($_REQUEST['single_table']) |
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187 | && in_array($_REQUEST['single_table'], [true, false]) |
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188 | ) { |
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189 | $params['single_table'] = $_REQUEST['single_table']; |
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190 | } |
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191 | return basename(Core::getenv('SCRIPT_NAME')) . Url::getCommonRaw($params); |
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192 | } |
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193 | |||
194 | /** |
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195 | * Renders the link to open a new page |
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196 | * |
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197 | * @param string $url The url of the page |
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198 | * |
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199 | * @return string |
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200 | */ |
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201 | private function _getSelfLink(string $url): string |
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202 | { |
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203 | $retval = ''; |
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204 | $retval .= '<div id="selflink" class="print_ignore">'; |
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205 | $retval .= '<a href="' . htmlspecialchars($url) . '"' |
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206 | . ' title="' . __('Open new phpMyAdmin window') . '" target="_blank" rel="noopener noreferrer">'; |
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207 | if (Util::showIcons('TabsMode')) { |
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208 | $retval .= Util::getImage( |
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209 | 'window-new', |
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210 | __('Open new phpMyAdmin window') |
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211 | ); |
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212 | } else { |
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213 | $retval .= __('Open new phpMyAdmin window'); |
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214 | } |
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215 | $retval .= '</a>'; |
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216 | $retval .= '</div>'; |
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217 | return $retval; |
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218 | } |
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219 | |||
220 | /** |
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221 | * Renders the link to open a new page |
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222 | * |
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223 | * @return string |
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224 | */ |
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225 | public function getErrorMessages(): string |
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226 | { |
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227 | $retval = ''; |
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228 | if ($GLOBALS['error_handler']->hasDisplayErrors()) { |
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229 | $retval .= $GLOBALS['error_handler']->getDispErrors(); |
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230 | } |
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231 | |||
232 | /** |
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233 | * Report php errors |
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234 | */ |
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235 | $GLOBALS['error_handler']->reportErrors(); |
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236 | |||
237 | return $retval; |
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238 | } |
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239 | |||
240 | /** |
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241 | * Saves query in history |
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242 | * |
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243 | * @return void |
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244 | */ |
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245 | private function _setHistory(): void |
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246 | { |
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247 | if (! Core::isValid($_REQUEST['no_history']) |
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248 | && empty($GLOBALS['error_message']) |
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249 | && ! empty($GLOBALS['sql_query']) |
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250 | && isset($GLOBALS['dbi']) |
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251 | && $GLOBALS['dbi']->isUserType('logged') |
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252 | ) { |
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253 | $this->relation->setHistory( |
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254 | Core::ifSetOr($GLOBALS['db'], ''), |
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255 | Core::ifSetOr($GLOBALS['table'], ''), |
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256 | $GLOBALS['cfg']['Server']['user'], |
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257 | $GLOBALS['sql_query'] |
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258 | ); |
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259 | } |
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260 | } |
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261 | |||
262 | /** |
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263 | * Disables the rendering of the footer |
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264 | * |
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265 | * @return void |
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266 | */ |
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267 | public function disable(): void |
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268 | { |
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269 | $this->_isEnabled = false; |
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270 | } |
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271 | |||
272 | /** |
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273 | * Set the ajax flag to indicate whether |
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274 | * we are servicing an ajax request |
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275 | * |
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276 | * @param bool $isAjax Whether we are servicing an ajax request |
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277 | * |
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278 | * @return void |
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279 | */ |
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280 | public function setAjax(bool $isAjax): void |
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281 | { |
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282 | $this->_isAjax = $isAjax; |
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283 | } |
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284 | |||
285 | /** |
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286 | * Turn on minimal display mode |
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287 | * |
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288 | * @return void |
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289 | */ |
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290 | public function setMinimal(): void |
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291 | { |
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292 | $this->_isMinimal = true; |
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293 | } |
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294 | |||
295 | /** |
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296 | * Returns the Scripts object |
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297 | * |
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298 | * @return Scripts object |
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299 | */ |
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300 | public function getScripts(): Scripts |
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301 | { |
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302 | return $this->_scripts; |
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303 | } |
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304 | |||
305 | /** |
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306 | * Renders the footer |
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307 | * |
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308 | * @return string |
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309 | */ |
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310 | public function getDisplay(): string |
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311 | { |
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312 | $this->_setHistory(); |
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313 | if ($this->_isEnabled) { |
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314 | if (! $this->_isAjax && ! $this->_isMinimal) { |
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315 | if (Core::getenv('SCRIPT_NAME') |
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316 | && empty($_POST) |
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317 | && ! $this->_isAjax |
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318 | ) { |
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319 | $url = $this->getSelfUrl(); |
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320 | $header = Response::getInstance()->getHeader(); |
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321 | $scripts = $header->getScripts()->getFiles(); |
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322 | $menuHash = $header->getMenu()->getHash(); |
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323 | // prime the client-side cache |
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324 | $this->_scripts->addCode( |
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325 | sprintf( |
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326 | 'if (! (history && history.pushState)) ' |
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327 | . 'MicroHistory.primer = {' |
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328 | . ' url: "%s",' |
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329 | . ' scripts: %s,' |
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330 | . ' menuHash: "%s"' |
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331 | . '};', |
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332 | Sanitize::escapeJsString($url), |
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333 | json_encode($scripts), |
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334 | Sanitize::escapeJsString($menuHash) |
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335 | ) |
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336 | ); |
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337 | } |
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338 | if (Core::getenv('SCRIPT_NAME') |
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339 | && ! $this->_isAjax |
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340 | ) { |
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341 | $url = $this->getSelfUrl(); |
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342 | $selfLink = $this->_getSelfLink($url); |
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343 | } |
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344 | $this->_scripts->addCode( |
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345 | 'var debugSQLInfo = ' . $this->getDebugMessage() . ';' |
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346 | ); |
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347 | |||
348 | $errorMessages = $this->getErrorMessages(); |
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349 | $scripts = $this->_scripts->getDisplay(); |
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350 | |||
351 | if ($GLOBALS['cfg']['DBG']['demo']) { |
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352 | $demoMessage = $this->_getDemoMessage(); |
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353 | } |
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354 | |||
355 | $footer = Config::renderFooter(); |
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356 | } |
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357 | return $this->template->render('footer', [ |
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358 | 'is_ajax' => $this->_isAjax, |
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359 | 'is_minimal' => $this->_isMinimal, |
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360 | 'self_link' => $selfLink ?? '', |
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361 | 'error_messages' => $errorMessages ?? '', |
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362 | 'scripts' => $scripts ?? '', |
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363 | 'is_demo' => $GLOBALS['cfg']['DBG']['demo'], |
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364 | 'demo_message' => $demoMessage ?? '', |
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365 | 'footer' => $footer ?? '', |
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366 | ]); |
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367 | } |
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368 | return ''; |
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369 | } |
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370 | } |
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371 |