161 lines
3.6 KiB
PHP
161 lines
3.6 KiB
PHP
<?php
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/**
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* JavaScript management
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*/
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declare(strict_types=1);
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namespace PhpMyAdmin;
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use function defined;
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use function md5;
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use function strpos;
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/**
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* Collects information about which JavaScript
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* files and objects are necessary to render
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* the page and generates the relevant code.
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*/
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class Scripts
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{
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/**
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* An array of SCRIPT tags
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*
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* @access private
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* @var array of strings
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*/
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private $files;
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/**
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* A string of discrete javascript code snippets
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*
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* @access private
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* @var string
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*/
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private $code;
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/** @var Template */
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private $template;
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/**
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* Generates new Scripts objects
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*/
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public function __construct()
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{
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$this->template = new Template();
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$this->files = [];
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$this->code = '';
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}
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/**
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* Adds a new file to the list of scripts
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*
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* @param string $filename The name of the file to include
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* @param array $params Additional parameters to pass to the file
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*
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* @return void
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*/
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public function addFile(
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$filename,
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array $params = []
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) {
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$hash = md5($filename);
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if (! empty($this->files[$hash])) {
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return;
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}
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$has_onload = $this->hasOnloadEvent($filename);
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$this->files[$hash] = [
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'has_onload' => $has_onload,
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'filename' => $filename,
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'params' => $params,
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];
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}
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/**
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* Add new files to the list of scripts
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*
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* @param array $filelist The array of file names
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*
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* @return void
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*/
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public function addFiles(array $filelist)
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{
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foreach ($filelist as $filename) {
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$this->addFile($filename);
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}
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}
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/**
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* Determines whether to fire up an onload event for a file
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*
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* @param string $filename The name of the file to be checked
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* against the exclude list.
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*
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* @return int 1 to fire up the event, 0 not to
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*/
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private function hasOnloadEvent($filename)
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{
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if (strpos($filename, 'jquery') !== false
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|| strpos($filename, 'codemirror') !== false
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|| strpos($filename, 'messages.php') !== false
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|| strpos($filename, 'ajax.js') !== false
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|| strpos($filename, 'cross_framing_protection.js') !== false
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) {
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return 0;
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}
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return 1;
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}
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/**
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* Adds a new code snippet to the code to be executed
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*
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* @param string $code The JS code to be added
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*
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* @return void
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*/
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public function addCode($code)
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{
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$this->code .= $code . "\n";
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}
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/**
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* Returns a list with filenames and a flag to indicate
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* whether to register onload events for this file
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*
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* @return array
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*/
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public function getFiles()
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{
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$retval = [];
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foreach ($this->files as $file) {
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//If filename contains a "?", continue.
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if (strpos($file['filename'], '?') !== false) {
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continue;
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}
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$retval[] = [
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'name' => $file['filename'],
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'fire' => $file['has_onload'],
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];
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}
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return $retval;
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}
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/**
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* Renders all the JavaScript file inclusions, code and events
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*
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* @return string
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*/
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public function getDisplay()
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{
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$baseDir = defined('PMA_PATH_TO_BASEDIR') ? PMA_PATH_TO_BASEDIR : '';
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return $this->template->render('scripts', [
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'base_dir' => $baseDir,
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'files' => $this->files,
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'version' => PMA_VERSION,
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'code' => $this->code,
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]);
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}
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}
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