mirror of
https://github.com/YunoHost-Apps/phpmyadmin_ynh.git
synced 2024-09-03 19:56:46 +02:00
830 lines
27 KiB
PHP
830 lines
27 KiB
PHP
<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* Form management class, displays and processes forms
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*
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* Explanation of used terms:
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* o work_path - original field path, eg. Servers/4/verbose
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* o system_path - work_path modified so that it points to the first server,
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* eg. Servers/1/verbose
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* o translated_path - work_path modified for HTML field name, a path with
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* slashes changed to hyphens, eg. Servers-4-verbose
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*
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* @package PhpMyAdmin
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*/
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/**
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* Core libraries.
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*/
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require_once './libraries/config/FormDisplay.tpl.php';
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require_once './libraries/config/Validator.class.php';
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require_once './libraries/js_escape.lib.php';
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/**
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* Form management class, displays and processes forms
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*
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* @package PhpMyAdmin
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*/
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class FormDisplay
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{
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/**
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* ConfigFile instance
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* @var ConfigFile
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*/
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private $_configFile;
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/**
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* Form list
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* @var Form[]
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*/
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private $_forms = array();
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/**
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* Stores validation errors, indexed by paths
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* [ Form_name ] is an array of form errors
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* [path] is a string storing error associated with single field
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* @var array
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*/
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private $_errors = array();
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/**
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* Paths changed so that they can be used as HTML ids, indexed by paths
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* @var array
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*/
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private $_translatedPaths = array();
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/**
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* Server paths change indexes so we define maps from current server
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* path to the first one, indexed by work path
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* @var array
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*/
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private $_systemPaths = array();
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/**
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* Language strings which will be sent to PMA_messages JS variable
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* Will be looked up in $GLOBALS: str{value} or strSetup{value}
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* @var array
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*/
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private $_jsLangStrings = array();
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/**
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* Tells whether forms have been validated
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* @var bool
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*/
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private $_isValidated = true;
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/**
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* Dictionary with user preferences keys
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* @var array
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*/
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private $_userprefsKeys;
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/**
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* Dictionary with disallowed user preferences keys
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* @var array
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*/
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private $_userprefsDisallow;
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/**
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* Constructor
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*
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* @param ConfigFile $cf Config file instance
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*/
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public function __construct(ConfigFile $cf)
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{
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$this->_jsLangStrings = array(
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'error_nan_p' => __('Not a positive number'),
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'error_nan_nneg' => __('Not a non-negative number'),
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'error_incorrect_port' => __('Not a valid port number'),
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'error_invalid_value' => __('Incorrect value'),
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'error_value_lte' => __('Value must be equal or lower than %s'));
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$this->_configFile = $cf;
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// initialize validators
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PMA_Validator::getValidators($this->_configFile);
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}
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/**
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* Returns {@link ConfigFile} associated with this instance
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*
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* @return ConfigFile
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*/
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public function getConfigFile()
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{
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return $this->_configFile;
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}
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/**
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* Registers form in form manager
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*
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* @param string $form_name Form name
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* @param array $form Form data
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* @param int $server_id 0 if new server, validation; >= 1 if editing a server
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*
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* @return void
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*/
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public function registerForm($form_name, array $form, $server_id = null)
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{
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$this->_forms[$form_name] = new Form(
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$form_name, $form, $this->_configFile, $server_id
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);
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$this->_isValidated = false;
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foreach ($this->_forms[$form_name]->fields as $path) {
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$work_path = $server_id === null
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? $path
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: str_replace('Servers/1/', "Servers/$server_id/", $path);
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$this->_systemPaths[$work_path] = $path;
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$this->_translatedPaths[$work_path] = str_replace('/', '-', $work_path);
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}
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}
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/**
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* Processes forms, returns true on successful save
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*
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* @param bool $allow_partial_save allows for partial form saving
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* on failed validation
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* @param bool $check_form_submit whether check for $_POST['submit_save']
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*
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* @return boolean whether processing was successful
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*/
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public function process($allow_partial_save = true, $check_form_submit = true)
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{
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if ($check_form_submit && !isset($_POST['submit_save'])) {
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return false;
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}
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// save forms
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if (count($this->_forms) > 0) {
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return $this->save(array_keys($this->_forms), $allow_partial_save);
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}
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return false;
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}
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/**
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* Runs validation for all registered forms
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*
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* @return void
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*/
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private function _validate()
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{
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if ($this->_isValidated) {
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return;
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}
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$paths = array();
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$values = array();
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foreach ($this->_forms as $form) {
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/* @var $form Form */
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$paths[] = $form->name;
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// collect values and paths
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foreach ($form->fields as $path) {
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$work_path = array_search($path, $this->_systemPaths);
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$values[$path] = $this->_configFile->getValue($work_path);
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$paths[] = $path;
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}
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}
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// run validation
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$errors = PMA_Validator::validate(
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$this->_configFile, $paths, $values, false
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);
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// change error keys from canonical paths to work paths
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if (is_array($errors) && count($errors) > 0) {
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$this->_errors = array();
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foreach ($errors as $path => $error_list) {
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$work_path = array_search($path, $this->_systemPaths);
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// field error
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if (! $work_path) {
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// form error, fix path
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$work_path = $path;
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}
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$this->_errors[$work_path] = $error_list;
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}
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}
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$this->_isValidated = true;
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}
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/**
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* Outputs HTML for forms
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*
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* @param bool $tabbed_form if true, use a form with tabs
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* @param bool $show_restore_default whether show "restore default" button
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* besides the input field
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*
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* @return void
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*/
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public function display($tabbed_form = false, $show_restore_default = false)
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{
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static $js_lang_sent = false;
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$js = array();
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$js_default = array();
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$tabbed_form = $tabbed_form && (count($this->_forms) > 1);
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$validators = PMA_Validator::getValidators($this->_configFile);
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PMA_displayFormTop();
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if ($tabbed_form) {
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$tabs = array();
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foreach ($this->_forms as $form) {
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$tabs[$form->name] = PMA_lang("Form_$form->name");
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}
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PMA_displayTabsTop($tabs);
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}
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// validate only when we aren't displaying a "new server" form
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$is_new_server = false;
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foreach ($this->_forms as $form) {
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/* @var $form Form */
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if ($form->index === 0) {
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$is_new_server = true;
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break;
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}
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}
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if (! $is_new_server) {
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$this->_validate();
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}
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// user preferences
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$this->_loadUserprefsInfo();
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// display forms
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foreach ($this->_forms as $form) {
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/* @var $form Form */
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$form_desc = isset($GLOBALS["strConfigForm_{$form->name}_desc"])
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? PMA_lang("Form_{$form->name}_desc")
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: '';
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$form_errors = isset($this->_errors[$form->name])
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? $this->_errors[$form->name] : null;
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PMA_displayFieldsetTop(
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PMA_lang("Form_$form->name"),
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$form_desc,
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$form_errors,
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array('id' => $form->name)
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);
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foreach ($form->fields as $field => $path) {
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$work_path = array_search($path, $this->_systemPaths);
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$translated_path = $this->_translatedPaths[$work_path];
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// always true/false for user preferences display
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// otherwise null
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$userprefs_allow = isset($this->_userprefsKeys[$path])
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? !isset($this->_userprefsDisallow[$path])
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: null;
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// display input
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$this->_displayFieldInput(
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$form,
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$field,
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$path,
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$work_path,
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$translated_path,
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$show_restore_default,
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$userprefs_allow,
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$js_default
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);
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// register JS validators for this field
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if (isset($validators[$path])) {
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PMA_addJsValidate($translated_path, $validators[$path], $js);
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}
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}
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PMA_displayFieldsetBottom();
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}
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if ($tabbed_form) {
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PMA_displayTabsBottom();
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}
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PMA_displayFormBottom();
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// if not already done, send strings used for valdiation to JavaScript
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if (! $js_lang_sent) {
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$js_lang_sent = true;
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$js_lang = array();
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foreach ($this->_jsLangStrings as $strName => $strValue) {
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$js_lang[] = "'$strName': '" . PMA_jsFormat($strValue, false) . '\'';
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}
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$js[] = "$.extend(PMA_messages, {\n\t"
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. implode(",\n\t", $js_lang) . '})';
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}
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$js[] = "$.extend(defaultValues, {\n\t"
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. implode(",\n\t", $js_default) . '})';
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PMA_displayJavascript($js);
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}
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/**
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* Prepares data for input field display and outputs HTML code
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*
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* @param Form $form Form object
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* @param string $field field name as it appears in $form
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* @param string $system_path field path, eg. Servers/1/verbose
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* @param string $work_path work path, eg. Servers/4/verbose
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* @param string $translated_path work path changed so that it can be
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* used as XHTML id
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* @param bool $show_restore_default whether show "restore default" button
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* besides the input field
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* @param mixed $userprefs_allow whether user preferences are enabled
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* for this field (null - no support,
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* true/false - enabled/disabled)
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* @param array &$js_default array which stores JavaScript code
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* to be displayed
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*
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* @return void
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*/
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private function _displayFieldInput(
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Form $form, $field, $system_path, $work_path,
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$translated_path, $show_restore_default, $userprefs_allow, array &$js_default
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) {
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$name = PMA_langName($system_path);
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$description = PMA_langName($system_path, 'desc', '');
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$value = $this->_configFile->get($work_path);
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$value_default = $this->_configFile->getDefault($system_path);
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$value_is_default = false;
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if ($value === null || $value === $value_default) {
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$value = $value_default;
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$value_is_default = true;
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}
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$opts = array(
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'doc' => $this->getDocLink($system_path),
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'show_restore_default' => $show_restore_default,
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'userprefs_allow' => $userprefs_allow,
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'userprefs_comment' => PMA_langName($system_path, 'cmt', ''));
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if (isset($form->default[$system_path])) {
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$opts['setvalue'] = $form->default[$system_path];
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}
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if (isset($this->_errors[$work_path])) {
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$opts['errors'] = $this->_errors[$work_path];
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}
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switch ($form->getOptionType($field)) {
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case 'string':
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$type = 'text';
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break;
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case 'short_string':
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$type = 'short_text';
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break;
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case 'double':
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case 'integer':
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$type = 'number_text';
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break;
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case 'boolean':
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$type = 'checkbox';
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break;
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case 'select':
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$type = 'select';
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$opts['values'] = $form->getOptionValueList($form->fields[$field]);
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break;
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case 'array':
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$type = 'list';
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$value = (array) $value;
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$value_default = (array) $value_default;
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break;
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case 'group':
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// :group:end is changed to :group:end:{unique id} in Form class
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if (substr($field, 7, 4) != 'end:') {
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PMA_displayGroupHeader(substr($field, 7));
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} else {
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PMA_displayGroupFooter();
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}
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return;
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case 'NULL':
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trigger_error("Field $system_path has no type", E_USER_WARNING);
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return;
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}
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// detect password fields
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if ($type === 'text'
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&& substr($translated_path, -9) === '-password'
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) {
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$type = 'password';
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}
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// TrustedProxies requires changes before displaying
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if ($system_path == 'TrustedProxies') {
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foreach ($value as $ip => &$v) {
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if (!preg_match('/^-\d+$/', $ip)) {
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$v = $ip . ': ' . $v;
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}
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}
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}
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$this->_setComments($system_path, $opts);
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// send default value to form's JS
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$js_line = '\'' . $translated_path . '\': ';
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switch ($type) {
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case 'text':
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case 'short_text':
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case 'number_text':
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case 'password':
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$js_line .= '\'' . PMA_escapeJsString($value_default) . '\'';
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break;
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case 'checkbox':
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$js_line .= $value_default ? 'true' : 'false';
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break;
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case 'select':
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$value_default_js = is_bool($value_default)
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? (int) $value_default
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: $value_default;
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$js_line .= '[\'' . PMA_escapeJsString($value_default_js) . '\']';
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break;
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case 'list':
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$js_line .= '\'' . PMA_escapeJsString(implode("\n", $value_default))
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. '\'';
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break;
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}
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$js_default[] = $js_line;
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PMA_displayInput(
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$translated_path, $name, $type, $value,
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$description, $value_is_default, $opts
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);
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}
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/**
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* Displays errors
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*
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* @return void
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*/
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public function displayErrors()
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{
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$this->_validate();
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if (count($this->_errors) == 0) {
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return;
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}
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foreach ($this->_errors as $system_path => $error_list) {
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if (isset($this->_systemPaths[$system_path])) {
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$path = $this->_systemPaths[$system_path];
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$name = PMA_langName($path);
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} else {
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$name = $GLOBALS["strConfigForm_$system_path"];
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}
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PMA_displayErrors($name, $error_list);
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}
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}
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/**
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* Reverts erroneous fields to their default values
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*
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* @return void
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*/
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public function fixErrors()
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{
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$this->_validate();
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if (count($this->_errors) == 0) {
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return;
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}
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$cf = $this->_configFile;
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foreach (array_keys($this->_errors) as $work_path) {
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if (!isset($this->_systemPaths[$work_path])) {
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continue;
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}
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$canonical_path = $this->_systemPaths[$work_path];
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$cf->set($work_path, $cf->getDefault($canonical_path));
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}
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}
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/**
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* Validates select field and casts $value to correct type
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*
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* @param string &$value Current value
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* @param array $allowed List of allowed values
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*
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* @return bool
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*/
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private function _validateSelect(&$value, array $allowed)
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{
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$value_cmp = is_bool($value)
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? (int) $value
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: $value;
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foreach ($allowed as $vk => $v) {
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// equality comparison only if both values are numeric or not numeric
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// (allows to skip 0 == 'string' equalling to true)
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// or identity (for string-string)
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if (($vk == $value && !(is_numeric($value_cmp) xor is_numeric($vk)))
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|| $vk === $value
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) {
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// keep boolean value as boolean
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if (!is_bool($value)) {
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settype($value, gettype($vk));
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}
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return true;
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}
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}
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return false;
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}
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/**
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* Validates and saves form data to session
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*
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* @param array|string $forms array of form names
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* @param bool $allow_partial_save allows for partial form saving on
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* failed validation
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*
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* @return boolean true on success (no errors and all saved)
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*/
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public function save($forms, $allow_partial_save = true)
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{
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$result = true;
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$forms = (array) $forms;
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$values = array();
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$to_save = array();
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$is_setup_script = defined('PMA_SETUP');
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if ($is_setup_script) {
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$this->_loadUserprefsInfo();
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}
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$this->_errors = array();
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foreach ($forms as $form_name) {
|
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/* @var $form Form */
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if (isset($this->_forms[$form_name])) {
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$form = $this->_forms[$form_name];
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} else {
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continue;
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}
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// get current server id
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$change_index = $form->index === 0
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? $this->_configFile->getServerCount() + 1
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: false;
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// grab POST values
|
|
foreach ($form->fields as $field => $system_path) {
|
|
$work_path = array_search($system_path, $this->_systemPaths);
|
|
$key = $this->_translatedPaths[$work_path];
|
|
$type = $form->getOptionType($field);
|
|
|
|
// skip groups
|
|
if ($type == 'group') {
|
|
continue;
|
|
}
|
|
|
|
// ensure the value is set
|
|
if (!isset($_POST[$key])) {
|
|
// checkboxes aren't set by browsers if they're off
|
|
if ($type == 'boolean') {
|
|
$_POST[$key] = false;
|
|
} else {
|
|
$this->_errors[$form->name][] = sprintf(
|
|
__('Missing data for %s'),
|
|
'<i>' . PMA_langName($system_path) . '</i>'
|
|
);
|
|
$result = false;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// user preferences allow/disallow
|
|
if ($is_setup_script
|
|
&& isset($this->_userprefsKeys[$system_path])
|
|
) {
|
|
if (isset($this->_userprefsDisallow[$system_path])
|
|
&& isset($_POST[$key . '-userprefs-allow'])
|
|
) {
|
|
unset($this->_userprefsDisallow[$system_path]);
|
|
} else if (!isset($_POST[$key . '-userprefs-allow'])) {
|
|
$this->_userprefsDisallow[$system_path] = true;
|
|
}
|
|
}
|
|
|
|
// cast variables to correct type
|
|
switch ($type) {
|
|
case 'double':
|
|
settype($_POST[$key], 'float');
|
|
break;
|
|
case 'boolean':
|
|
case 'integer':
|
|
if ($_POST[$key] !== '') {
|
|
settype($_POST[$key], $type);
|
|
}
|
|
break;
|
|
case 'select':
|
|
$successfully_validated = $this->_validateSelect(
|
|
$_POST[$key],
|
|
$form->getOptionValueList($system_path)
|
|
);
|
|
if (! $successfully_validated) {
|
|
$this->_errors[$work_path][] = __('Incorrect value');
|
|
$result = false;
|
|
continue;
|
|
}
|
|
break;
|
|
case 'string':
|
|
case 'short_string':
|
|
$_POST[$key] = trim($_POST[$key]);
|
|
break;
|
|
case 'array':
|
|
// eliminate empty values and ensure we have an array
|
|
$post_values = is_array($_POST[$key])
|
|
? $_POST[$key]
|
|
: explode("\n", $_POST[$key]);
|
|
$_POST[$key] = array();
|
|
foreach ($post_values as $v) {
|
|
$v = trim($v);
|
|
if ($v !== '') {
|
|
$_POST[$key][] = $v;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
// now we have value with proper type
|
|
$values[$system_path] = $_POST[$key];
|
|
if ($change_index !== false) {
|
|
$work_path = str_replace(
|
|
"Servers/$form->index/",
|
|
"Servers/$change_index/", $work_path
|
|
);
|
|
}
|
|
$to_save[$work_path] = $system_path;
|
|
}
|
|
}
|
|
|
|
// save forms
|
|
if ($allow_partial_save || empty($this->_errors)) {
|
|
foreach ($to_save as $work_path => $path) {
|
|
// TrustedProxies requires changes before saving
|
|
if ($path == 'TrustedProxies') {
|
|
$proxies = array();
|
|
$i = 0;
|
|
foreach ($values[$path] as $value) {
|
|
$matches = array();
|
|
$match = preg_match(
|
|
"/^(.+):(?:[ ]?)(\\w+)$/", $value, $matches
|
|
);
|
|
if ($match) {
|
|
// correct 'IP: HTTP header' pair
|
|
$ip = trim($matches[1]);
|
|
$proxies[$ip] = trim($matches[2]);
|
|
} else {
|
|
// save also incorrect values
|
|
$proxies["-$i"] = $value;
|
|
$i++;
|
|
}
|
|
}
|
|
$values[$path] = $proxies;
|
|
}
|
|
$this->_configFile->set($work_path, $values[$path], $path);
|
|
}
|
|
if ($is_setup_script) {
|
|
$this->_configFile->set(
|
|
'UserprefsDisallow',
|
|
array_keys($this->_userprefsDisallow)
|
|
);
|
|
}
|
|
}
|
|
|
|
// don't look for non-critical errors
|
|
$this->_validate();
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Tells whether form validation failed
|
|
*
|
|
* @return boolean
|
|
*/
|
|
public function hasErrors()
|
|
{
|
|
return count($this->_errors) > 0;
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns link to documentation
|
|
*
|
|
* @param string $path Path to documentation
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getDocLink($path)
|
|
{
|
|
$test = substr($path, 0, 6);
|
|
if ($test == 'Import' || $test == 'Export') {
|
|
return '';
|
|
}
|
|
return PMA_Util::getDocuLink(
|
|
'config',
|
|
'cfg_' . $this->_getOptName($path)
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Changes path so it can be used in URLs
|
|
*
|
|
* @param string $path Path
|
|
*
|
|
* @return string
|
|
*/
|
|
private function _getOptName($path)
|
|
{
|
|
return str_replace(array('Servers/1/', '/'), array('Servers/', '_'), $path);
|
|
}
|
|
|
|
/**
|
|
* Fills out {@link userprefs_keys} and {@link userprefs_disallow}
|
|
*
|
|
* @return void
|
|
*/
|
|
private function _loadUserprefsInfo()
|
|
{
|
|
if ($this->_userprefsKeys === null) {
|
|
$this->_userprefsKeys = array_flip(PMA_readUserprefsFieldNames());
|
|
// read real config for user preferences display
|
|
$userprefs_disallow = defined('PMA_SETUP')
|
|
? $this->_configFile->get('UserprefsDisallow', array())
|
|
: $GLOBALS['cfg']['UserprefsDisallow'];
|
|
$this->_userprefsDisallow = array_flip($userprefs_disallow);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sets field comments and warnings based on current environment
|
|
*
|
|
* @param string $system_path Path to settings
|
|
* @param array &$opts Chosen options
|
|
*
|
|
* @return void
|
|
*/
|
|
private function _setComments($system_path, array &$opts)
|
|
{
|
|
// RecodingEngine - mark unavailable types
|
|
if ($system_path == 'RecodingEngine') {
|
|
$comment = '';
|
|
if (!function_exists('iconv')) {
|
|
$opts['values']['iconv'] .= ' (' . __('unavailable') . ')';
|
|
$comment = sprintf(
|
|
__('"%s" requires %s extension'), 'iconv', 'iconv'
|
|
);
|
|
}
|
|
if (!function_exists('recode_string')) {
|
|
$opts['values']['recode'] .= ' (' . __('unavailable') . ')';
|
|
$comment .= ($comment ? ", " : '') . sprintf(
|
|
__('"%s" requires %s extension'),
|
|
'recode', 'recode'
|
|
);
|
|
}
|
|
if (!function_exists('mb_convert_encoding')) {
|
|
$opts['values']['mb'] .= ' (' . __('unavailable') . ')';
|
|
$comment .= ($comment ? ", " : '') . sprintf(
|
|
__('"%s" requires %s extension'),
|
|
'mb', 'mbstring'
|
|
);
|
|
}
|
|
$opts['comment'] = $comment;
|
|
$opts['comment_warning'] = true;
|
|
}
|
|
// ZipDump, GZipDump, BZipDump - check function availability
|
|
if ($system_path == 'ZipDump'
|
|
|| $system_path == 'GZipDump'
|
|
|| $system_path == 'BZipDump'
|
|
) {
|
|
$comment = '';
|
|
$funcs = array(
|
|
'ZipDump' => array('zip_open', 'gzcompress'),
|
|
'GZipDump' => array('gzopen', 'gzencode'),
|
|
'BZipDump' => array('bzopen', 'bzcompress'));
|
|
if (!function_exists($funcs[$system_path][0])) {
|
|
$comment = sprintf(
|
|
__('Compressed import will not work due to missing function %s.'),
|
|
$funcs[$system_path][0]
|
|
);
|
|
}
|
|
if (!function_exists($funcs[$system_path][1])) {
|
|
$comment .= ($comment ? '; ' : '') . sprintf(
|
|
__('Compressed export will not work due to missing function %s.'),
|
|
$funcs[$system_path][1]
|
|
);
|
|
}
|
|
$opts['comment'] = $comment;
|
|
$opts['comment_warning'] = true;
|
|
}
|
|
if ($system_path == 'SQLQuery/Validate'
|
|
&& ! $GLOBALS['cfg']['SQLValidator']['use']
|
|
) {
|
|
$opts['comment'] = __('SQL Validator is disabled');
|
|
$opts['comment_warning'] = true;
|
|
}
|
|
if ($system_path == 'SQLValidator/use') {
|
|
if (!class_exists('SOAPClient')) {
|
|
@include_once 'SOAP/Client.php';
|
|
if (!class_exists('SOAP_Client')) {
|
|
$opts['comment'] = __('SOAP extension not found');
|
|
$opts['comment_warning'] = true;
|
|
}
|
|
}
|
|
}
|
|
if (!defined('PMA_SETUP')) {
|
|
if (($system_path == 'MaxDbList' || $system_path == 'MaxTableList'
|
|
|| $system_path == 'QueryHistoryMax')
|
|
) {
|
|
$opts['comment'] = sprintf(
|
|
__('maximum %s'), $GLOBALS['cfg'][$system_path]
|
|
);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
?>
|