Total Complexity | 128 |
Total Lines | 775 |
Duplicated Lines | 0 % |
Changes | 7 | ||
Bugs | 0 | Features | 0 |
Complex classes like Misc often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Misc, and based on these observations, apply Extract Interface, too.
1 | <?php |
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21 | class Misc |
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22 | { |
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23 | use \PHPPgAdmin\Traits\HelperTrait; |
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24 | use \PHPPgAdmin\Traits\MiscTrait; |
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25 | |||
26 | private $_connection; |
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27 | private $_no_db_connection = false; |
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28 | private $_reload_browser = false; |
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29 | private $_data; |
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30 | private $_database; |
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31 | private $_server_id; |
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32 | private $_server_info; |
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33 | private $_error_msg = ''; |
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34 | |||
35 | public $appLangFiles = []; |
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36 | public $appName = ''; |
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37 | public $appVersion = ''; |
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38 | public $form = ''; |
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39 | public $href = ''; |
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40 | public $controller_name = 'Misc'; |
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41 | public $lang = []; |
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42 | |||
43 | protected $container; |
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44 | |||
45 | /** |
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46 | * @param \Slim\Container $container The container |
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47 | */ |
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48 | public function __construct(\Slim\Container $container) |
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49 | { |
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50 | $this->container = $container; |
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51 | |||
52 | $this->lang = $container->get('lang'); |
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53 | $this->conf = $container->get('conf'); |
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54 | |||
55 | //$this->view = $container->get('view'); |
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56 | $this->plugin_manager = $container->get('plugin_manager'); |
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57 | $this->appLangFiles = $container->get('appLangFiles'); |
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58 | |||
59 | $this->appName = $container->get('settings')['appName']; |
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60 | $this->appVersion = $container->get('settings')['appVersion']; |
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61 | $this->postgresqlMinVer = $container->get('settings')['postgresqlMinVer']; |
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62 | $this->phpMinVer = $container->get('settings')['phpMinVer']; |
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63 | |||
64 | $base_version = $container->get('settings')['base_version']; |
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65 | |||
66 | //$this->prtrace($base_version); |
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67 | |||
68 | // Check for config file version mismatch |
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69 | if (!isset($this->conf['version']) || $base_version > $this->conf['version']) { |
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70 | $container->get('utils')->addError($this->lang['strbadconfig']); |
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71 | } |
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72 | |||
73 | // Check database support is properly compiled in |
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74 | if (!function_exists('pg_connect')) { |
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75 | $container->get('utils')->addError($this->lang['strnotloaded']); |
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76 | } |
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77 | |||
78 | // Check the version of PHP |
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79 | if (version_compare(PHP_VERSION, $this->phpMinVer, '<')) { |
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80 | $container->get('utils')->addError(sprintf('Version of PHP not supported. Please upgrade to version %s or later.', $this->phpMinVer)); |
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81 | } |
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82 | //$this->dumpAndDie($this); |
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83 | |||
84 | $this->getServerId(); |
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85 | } |
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86 | |||
87 | public function serverToSha() |
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88 | { |
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89 | $request_server = $this->container->requestobj->getParam('server'); |
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90 | if ($request_server === null) { |
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91 | return null; |
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92 | } |
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93 | $srv_array = explode(':', $request_server); |
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94 | if (count($srv_array) === 3) { |
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95 | return sha1($request_server); |
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96 | } |
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97 | |||
98 | return $request_server; |
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99 | } |
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100 | |||
101 | public function getServerId() |
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102 | { |
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103 | if ($this->_server_id) { |
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104 | return $this->_server_id; |
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105 | } |
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106 | |||
107 | $request_server = $this->serverToSha(); |
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108 | |||
109 | if (count($this->conf['servers']) === 1) { |
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110 | $info = $this->conf['servers'][0]; |
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111 | $this->_server_id = sha1($info['host'] . ':' . $info['port'] . ':' . $info['sslmode']); |
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112 | } elseif ($request_server !== null) { |
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113 | $this->_server_id = $request_server; |
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114 | } elseif (isset($_SESSION['webdbLogin']) && count($_SESSION['webdbLogin']) > 0) { |
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115 | //$this->prtrace('webdbLogin', $_SESSION['webdbLogin']); |
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116 | $this->_server_id = array_keys($_SESSION['webdbLogin'])[0]; |
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117 | } |
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118 | |||
119 | return $this->_server_id; |
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120 | } |
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121 | |||
122 | /** |
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123 | * Sets the view instance property of this class. |
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124 | * |
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125 | * @param \Slim\Views\Twig $view view instance |
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126 | * |
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127 | * @return \PHPPgAdmin\Misc this class instance |
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128 | */ |
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129 | public function setView(\Slim\Views\Twig $view) |
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130 | { |
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131 | $this->view = $view; |
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132 | |||
133 | return $this; |
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134 | } |
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135 | |||
136 | /** |
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137 | * Adds or modifies a key in the $conf instance property of this class. |
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138 | * |
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139 | * @param string $key name of the key to set |
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140 | * @param mixed $value value of the key to set |
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141 | * |
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142 | * @return \PHPPgAdmin\Misc this class instance |
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143 | */ |
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144 | public function setConf($key, $value) |
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145 | { |
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146 | $this->conf[$key] = $value; |
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147 | |||
148 | return $this; |
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149 | } |
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150 | |||
151 | /** |
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152 | * Gets the value of a config property, or the array of all config properties. |
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153 | * |
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154 | * @param null|string $key value of the key to be retrieved. If null, the full array is returnes |
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155 | * |
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156 | * @return null|array|string the whole $conf array, the value of $conf[key] or null if said key does not exist |
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157 | */ |
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158 | public function getConf($key = null) |
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159 | { |
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160 | if ($key === null) { |
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161 | return $this->conf; |
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162 | } |
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163 | if (array_key_exists($key, $this->conf)) { |
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164 | return $this->conf[$key]; |
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165 | } |
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166 | |||
167 | return null; |
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168 | } |
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169 | |||
170 | /** |
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171 | * Displays link to the context help. |
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172 | * |
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173 | * @param string $str the string that the context help is related to (already escaped) |
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174 | * @param string $help help section identifier |
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175 | * @param bool $do_print true to echo, false to return |
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176 | */ |
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177 | public function printHelp($str, $help = null, $do_print = true) |
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178 | { |
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179 | if ($help !== null) { |
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180 | $helplink = $this->getHelpLink($help); |
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181 | $str .= '<a class="help" href="' . $helplink . '" title="' . $this->lang['strhelp'] . '" target="phppgadminhelp">'; |
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182 | $str .= $this->lang['strhelpicon'] . '</a>'; |
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183 | } |
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184 | if ($do_print) { |
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185 | echo $str; |
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186 | } else { |
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187 | return $str; |
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188 | } |
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189 | } |
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190 | |||
191 | /** |
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192 | * Gets the help link. |
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193 | * |
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194 | * @param string $help The help subject |
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195 | * |
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196 | * @return string the help link |
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197 | */ |
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198 | public function getHelpLink($help) |
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199 | { |
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200 | return htmlspecialchars(SUBFOLDER . '/help?help=' . urlencode($help) . '&server=' . urlencode($this->getServerId())); |
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201 | } |
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202 | |||
203 | /** |
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204 | * Internally sets the reload browser property. |
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205 | * |
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206 | * @param bool $flag sets internal $_reload_browser var which will be passed to the footer methods |
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207 | * |
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208 | * @return \PHPPgAdmin\Misc this class instance |
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209 | */ |
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210 | public function setReloadBrowser($flag) |
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211 | { |
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212 | $this->_reload_browser = (bool) $flag; |
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213 | |||
214 | return $this; |
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215 | } |
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216 | |||
217 | public function getReloadBrowser() |
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218 | { |
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219 | return $this->_reload_browser; |
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220 | } |
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221 | |||
222 | public function getContainer() |
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223 | { |
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224 | return $this->container; |
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225 | } |
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226 | |||
227 | /** |
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228 | * Sets $_no_db_connection boolean value, allows to render scripts that do not need an active session. |
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229 | * |
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230 | * @param bool $flag true or false to allow unconnected clients to access the view |
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231 | * |
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232 | * @return \PHPPgAdmin\Misc this class instance |
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233 | */ |
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234 | public function setNoDBConnection($flag) |
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235 | { |
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236 | $this->_no_db_connection = (bool) $flag; |
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237 | |||
238 | return $this; |
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239 | } |
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240 | |||
241 | /** |
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242 | * Gets member variable $_no_db_connection. |
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243 | * |
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244 | * @return bool value of member variable $_no_db_connection |
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245 | */ |
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246 | public function getNoDBConnection() |
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247 | { |
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248 | return $this->_no_db_connection; |
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249 | } |
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250 | |||
251 | /** |
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252 | * Sets the last error message to display afterwards instead of just dying with the error msg. |
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253 | * |
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254 | * @param string $msg error message string |
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255 | * |
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256 | * @return \PHPPgAdmin\Misc this class instance |
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257 | */ |
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258 | public function setErrorMsg($msg) |
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259 | { |
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260 | $this->_error_msg = $msg; |
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261 | |||
262 | return $this; |
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263 | } |
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264 | |||
265 | /** |
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266 | * Returns the error messages stored in member variable $_error_msg. |
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267 | * |
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268 | * @return string the error message |
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269 | */ |
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270 | public function getErrorMsg() |
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273 | } |
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274 | |||
275 | /** |
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276 | * Creates a database accessor. |
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277 | * |
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278 | * @param string $database the name of the database |
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279 | * @param mixed $server_id the id of the server |
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280 | * |
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281 | * @internal mixed $plaform placeholder that will receive the value of the platform |
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282 | * |
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283 | * @return \PHPPgAdmin\Database\ADOdbBase the database accessor instance |
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284 | */ |
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285 | public function getDatabaseAccessor($database = '', $server_id = null) |
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286 | { |
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287 | $lang = $this->lang; |
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288 | |||
289 | if ($server_id !== null) { |
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290 | $this->_server_id = $server_id; |
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291 | } |
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292 | //$this->prtrace($this->_server_id); |
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293 | |||
294 | $server_info = $this->getServerInfo($this->_server_id); |
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295 | |||
296 | if ($this->_no_db_connection || !isset($server_info['username'])) { |
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297 | return null; |
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298 | } |
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299 | |||
300 | if ($this->_data === null) { |
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301 | try { |
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302 | $_connection = $this->getConnection($database, $this->_server_id); |
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303 | } catch (\Exception $e) { |
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304 | $this->setServerInfo(null, null, $this->_server_id); |
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305 | $this->setNoDBConnection(true); |
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306 | $this->setErrorMsg($e->getMessage()); |
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307 | |||
308 | return null; |
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309 | } |
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310 | |||
311 | //$this->prtrace('_connection', $_connection); |
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312 | if (!$_connection) { |
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313 | $this->container->utils->addError($lang['strloginfailed']); |
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314 | $this->setErrorMsg($lang['strloginfailed']); |
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315 | |||
316 | return null; |
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317 | } |
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318 | // Get the name of the database driver we need to use. |
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319 | // The description of the server is returned in $platform. |
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320 | $_type = $_connection->getDriver($platform); |
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321 | |||
322 | //$this->prtrace(['type' => $_type, 'platform' => $platform, 'pgVersion' => $_connection->conn->pgVersion]); |
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323 | |||
324 | if ($_type === null) { |
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325 | $errormsg = sprintf($lang['strpostgresqlversionnotsupported'], $this->postgresqlMinVer); |
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326 | $this->container->utils->addError($errormsg); |
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327 | $this->setErrorMsg($errormsg); |
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328 | |||
329 | return null; |
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330 | } |
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331 | $_type = '\PHPPgAdmin\Database\\' . $_type; |
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332 | |||
333 | $this->prtrace('driver:', $_type); |
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334 | |||
335 | $this->setServerInfo('platform', $platform, $this->_server_id); |
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336 | $this->setServerInfo('pgVersion', $_connection->conn->pgVersion, $this->_server_id); |
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337 | |||
338 | // Create a database wrapper class for easy manipulation of the |
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339 | // connection. |
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340 | |||
341 | $this->_data = new $_type($_connection->conn, $this->container, $server_info); |
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342 | $this->_data->platform = $_connection->platform; |
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343 | |||
344 | //$this->_data->getHelpPages(); |
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345 | |||
346 | //$this->prtrace('help_page has ' . count($this->_data->help_page) . ' items'); |
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347 | |||
348 | /* we work on UTF-8 only encoding */ |
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349 | $this->_data->execute("SET client_encoding TO 'UTF-8'"); |
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350 | |||
351 | if ($this->_data->hasByteaHexDefault()) { |
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352 | $this->_data->execute('SET bytea_output TO escape'); |
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353 | } |
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354 | } |
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355 | |||
356 | if ($this->_no_db_connection === false && |
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357 | $this->getDatabase() !== null && |
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358 | isset($_REQUEST['schema']) |
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359 | ) { |
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360 | $status = $this->_data->setSchema($_REQUEST['schema']); |
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361 | |||
362 | if ($status != 0) { |
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363 | $this->container->utils->addError($this->lang['strbadschema']); |
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364 | $this->setErrorMsg($this->lang['strbadschema']); |
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365 | |||
366 | return null; |
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367 | } |
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368 | } |
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369 | |||
370 | return $this->_data; |
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371 | } |
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372 | |||
373 | public function getConnection($database = '', $server_id = null) |
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374 | { |
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375 | $lang = $this->lang; |
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376 | |||
377 | if ($this->_connection === null) { |
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378 | if ($server_id !== null) { |
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379 | $this->_server_id = $server_id; |
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380 | } |
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381 | $server_info = $this->getServerInfo($this->_server_id); |
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382 | $database_to_use = $this->getDatabase($database); |
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383 | |||
384 | // Perform extra security checks if this config option is set |
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385 | if ($this->conf['extra_login_security']) { |
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386 | // Disallowed logins if extra_login_security is enabled. |
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387 | // These must be lowercase. |
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388 | $bad_usernames = [ |
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389 | 'pgsql' => 'pgsql', |
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390 | 'postgres' => 'postgres', |
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391 | 'root' => 'root', |
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392 | 'administrator' => 'administrator', |
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393 | ]; |
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394 | |||
395 | if (isset($server_info['username']) && |
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396 | array_key_exists(strtolower($server_info['username']), $bad_usernames) |
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397 | ) { |
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398 | $msg = $lang['strlogindisallowed']; |
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399 | |||
400 | throw new \Exception($msg); |
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401 | } |
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402 | |||
403 | if (!isset($server_info['password']) || |
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404 | $server_info['password'] == '' |
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405 | ) { |
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406 | $msg = $lang['strlogindisallowed']; |
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407 | |||
408 | throw new \Exception($msg); |
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409 | } |
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410 | } |
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411 | |||
412 | try { |
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413 | // Create the connection object and make the connection |
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414 | $this->_connection = new \PHPPgAdmin\Database\Connection( |
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415 | $server_info, |
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416 | $database_to_use, |
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417 | $this->container |
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418 | ); |
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419 | } catch (\PHPPgAdmin\ADOdbException $e) { |
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420 | throw new \Exception($lang['strloginfailed']); |
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421 | } |
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422 | } |
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423 | |||
424 | return $this->_connection; |
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425 | } |
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426 | |||
427 | /** |
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428 | * Validate and retrieve information on a server. |
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429 | * If the parameter isn't supplied then the currently |
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430 | * connected server is returned. |
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431 | * |
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432 | * @param string $server_id A server identifier (host:port) |
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433 | * |
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434 | * @return array An associative array of server properties |
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435 | */ |
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436 | public function getServerInfo($server_id = null) |
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437 | { |
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438 | if ($server_id !== null) { |
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439 | $this->_server_id = $server_id; |
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440 | } elseif ($this->_server_info !== null) { |
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441 | return $this->_server_info; |
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442 | } |
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443 | |||
444 | // Check for the server in the logged-in list |
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445 | if (isset($_SESSION['webdbLogin'][$this->_server_id])) { |
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446 | $this->_server_info = $_SESSION['webdbLogin'][$this->_server_id]; |
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447 | |||
448 | return $this->_server_info; |
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449 | } |
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450 | |||
451 | // Otherwise, look for it in the conf file |
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452 | foreach ($this->conf['servers'] as $idx => $info) { |
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453 | $server_string = $info['host'] . ':' . $info['port'] . ':' . $info['sslmode']; |
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454 | $server_sha = sha1($server_string); |
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455 | |||
456 | if ($this->_server_id === $server_string || |
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457 | $this->_server_id === $server_sha |
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458 | ) { |
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459 | if (isset($info['username'])) { |
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460 | $this->setServerInfo(null, $info, $this->_server_id); |
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461 | } elseif (isset($_SESSION['sharedUsername'])) { |
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462 | $info['username'] = $_SESSION['sharedUsername']; |
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463 | $info['password'] = $_SESSION['sharedPassword']; |
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464 | $this->setReloadBrowser(true); |
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465 | $this->setServerInfo(null, $info, $this->_server_id); |
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466 | } |
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467 | $this->_server_info = $info; |
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468 | |||
469 | return $this->_server_info; |
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470 | } |
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471 | } |
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472 | |||
473 | if ($server_id === null) { |
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474 | $this->_server_info = null; |
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475 | |||
476 | return $this->_server_info; |
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477 | } |
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478 | |||
479 | $this->prtrace('Invalid server param'); |
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480 | $this->_server_info = null; |
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481 | // Unable to find a matching server, are we being hacked? |
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482 | return $this->halt($this->lang['strinvalidserverparam']); |
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483 | } |
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484 | |||
485 | /** |
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486 | * Set server information. |
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487 | * |
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488 | * @param null|string $key parameter name to set, or null to replace all |
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489 | * params with the assoc-array in $value |
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490 | * @param mixed $value the new value, or null to unset the parameter |
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491 | * @param null|string $server_id the server identifier, or null for current server |
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492 | */ |
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493 | public function setServerInfo($key, $value, $server_id = null) |
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510 | } |
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511 | } |
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512 | } |
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513 | |||
514 | public function getDatabase($database = '') |
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515 | { |
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516 | if ($this->_server_id === null && !isset($_REQUEST['database'])) { |
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517 | return null; |
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518 | } |
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519 | |||
520 | $server_info = $this->getServerInfo($this->_server_id); |
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521 | |||
522 | if ($this->_server_id !== null && |
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523 | isset($server_info['useonlydefaultdb']) && |
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524 | $server_info['useonlydefaultdb'] === true && |
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525 | isset($server_info['defaultdb']) |
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526 | ) { |
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527 | $this->_database = $server_info['defaultdb']; |
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528 | } elseif ($database !== '') { |
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529 | $this->_database = $database; |
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530 | } elseif (isset($_REQUEST['database'])) { |
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531 | // Connect to the current database |
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532 | $this->_database = $_REQUEST['database']; |
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533 | } elseif (isset($server_info['defaultdb'])) { |
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534 | // or if one is not specified then connect to the default database. |
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535 | $this->_database = $server_info['defaultdb']; |
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536 | } else { |
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537 | return null; |
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538 | } |
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539 | |||
540 | return $this->_database; |
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541 | } |
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542 | |||
543 | /** |
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544 | * Set the current schema. |
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545 | * |
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546 | * @param string $schema The schema name |
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547 | * |
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548 | * @return int 0 on success |
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549 | */ |
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550 | public function setCurrentSchema($schema) |
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551 | { |
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552 | $data = $this->getDatabaseAccessor(); |
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553 | |||
554 | $status = $data->setSchema($schema); |
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555 | if ($status != 0) { |
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556 | return $status; |
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557 | } |
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558 | |||
559 | $_REQUEST['schema'] = $schema; |
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560 | $this->container->offsetSet('schema', $schema); |
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561 | $this->setHREF(); |
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562 | |||
563 | return 0; |
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564 | } |
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565 | |||
566 | /** |
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567 | * Checks if dumps are properly set up. |
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568 | * |
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569 | * @param bool $all (optional) True to check pg_dumpall, false to just check pg_dump |
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570 | * |
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571 | * @return bool True, dumps are set up, false otherwise |
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572 | */ |
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573 | public function isDumpEnabled($all = false) |
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574 | { |
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575 | $info = $this->getServerInfo(); |
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576 | |||
577 | return !empty($info[$all ? 'pg_dumpall_path' : 'pg_dump_path']); |
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578 | } |
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579 | |||
580 | /** |
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581 | * Sets the href tracking variable. |
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582 | * |
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583 | * @return \PHPPgAdmin\Misc this class instance |
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584 | */ |
||
585 | public function setHREF() |
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590 | } |
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591 | |||
592 | /** |
||
593 | * Get a href query string, excluding objects below the given object type (inclusive). |
||
594 | * |
||
595 | * @param null|string $exclude_from |
||
596 | * |
||
597 | * @return string |
||
598 | */ |
||
599 | public function getHREF($exclude_from = null) |
||
620 | } |
||
621 | |||
622 | /** |
||
623 | * Sets the form tracking variable. |
||
624 | */ |
||
625 | public function setForm() |
||
626 | { |
||
641 | } |
||
642 | |||
643 | /** |
||
644 | * A function to recursively strip slashes. Used to |
||
645 | * enforce magic_quotes_gpc being off. |
||
646 | * |
||
647 | * @param mixed $var The variable to strip (passed by reference) |
||
648 | */ |
||
649 | public function stripVar(&$var) |
||
650 | { |
||
651 | if (is_array($var)) { |
||
652 | foreach ($var as $k => $v) { |
||
653 | $this->stripVar($var[$k]); |
||
654 | |||
655 | /* magic_quotes_gpc escape keys as well ...*/ |
||
656 | if (is_string($k)) { |
||
657 | $ek = stripslashes($k); |
||
658 | if ($ek !== $k) { |
||
659 | $var[$ek] = $var[$k]; |
||
660 | unset($var[$k]); |
||
661 | } |
||
662 | } |
||
663 | } |
||
664 | } else { |
||
665 | $var = stripslashes($var); |
||
666 | } |
||
667 | } |
||
668 | |||
669 | /** |
||
670 | * Converts a PHP.INI size variable to bytes. Taken from publically available |
||
671 | * function by Chris DeRose, here: http://www.php.net/manual/en/configuration.directives.php#ini.file-uploads. |
||
672 | * |
||
673 | * @param mixed $strIniSize The PHP.INI variable |
||
674 | * |
||
675 | * @return bool|float|int size in bytes, false on failure |
||
676 | */ |
||
677 | public function inisizeToBytes($strIniSize) |
||
703 | } |
||
704 | } |
||
705 | |||
706 | public function getRequestVars($subject = '') |
||
724 | } |
||
725 | |||
726 | public function icon($icon) |
||
727 | { |
||
728 | return $this->container->utils->icon($icon); |
||
729 | |||
730 | } |
||
731 | |||
732 | /** |
||
733 | * Function to escape command line parameters. |
||
734 | * |
||
735 | * @param string $str The string to escape |
||
736 | * |
||
737 | * @return string The escaped string |
||
738 | */ |
||
739 | public function escapeShellArg($str) |
||
740 | { |
||
741 | //$data = $this->getDatabaseAccessor(); |
||
742 | $lang = $this->lang; |
||
743 | |||
744 | if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') { |
||
745 | // Due to annoying PHP bugs, shell arguments cannot be escaped |
||
746 | // (command simply fails), so we cannot allow complex objects |
||
747 | // to be dumped. |
||
748 | if (preg_match('/^[_.[:alnum:]]+$/', $str)) { |
||
749 | return $str; |
||
750 | } |
||
751 | |||
752 | return $this->halt($lang['strcannotdumponwindows']); |
||
753 | } |
||
754 | |||
755 | return escapeshellarg($str); |
||
756 | } |
||
757 | |||
758 | /** |
||
759 | * Function to escape command line programs. |
||
760 | * |
||
761 | * @param string $str The string to escape |
||
762 | * |
||
763 | * @return string The escaped string |
||
764 | */ |
||
765 | public function escapeShellCmd($str) |
||
776 | } |
||
777 | |||
778 | /** |
||
779 | * Save the given SQL script in the history |
||
780 | * of the database and server. |
||
781 | * |
||
782 | * @param string $script the SQL script to save |
||
783 | */ |
||
784 | public function saveScriptHistory($script) |
||
799 |