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Current File : /home/webpages/lima-city/tomlinde/html/galleryHH/internals/classes/inputPage.class.php

<?php
require_once("page.class.php");

class InputPage extends Page {
	private $checks = array();
	private $allMatch = true;

	function __construct(){
		parent::__construct();
	}

	public function addInputFieldCheck($name, $regex, $required, $advise = ""){
		// to avoid an error with newer PHP versions
		// if someone manipulates the form this check is needed
		if(array_key_exists($name, $_POST)) 
			$value = $_POST[$name];
		else if(array_key_exists($name, $_GET))
			$value = $_GET[$name];
		else
			$value = "";

		//do not check the field if it is empty and not required
		if($value == "" and ! $required){
			$num=1;
		} else {
			$num = preg_match($regex, $value);
			if($num != 1) $this->allMatch = false;
		}
		$this->checks[$name] = array( "value" => $value,
						"regex" => $regex,
						"required" => $required,
						"advise" => $advise,
						"match" => ($num == 1));
	}

	public function checkInput($name){
		//FIXME: report error if field gets requested which doesn't exist
		// because then the program is buggy
		return $this->checks[$name]["match"];
	}

	public function checkAll(){
		return $this->allMatch;
	}

	public function getInput($name){
		//FIXME: report error if field gets requested which doesn't exist
		// because then the program is buggy
		if($this->checkInput($name)){
			return strip_tags($this->checks[$name]["value"]);
		} else {
			//FIXME: should be an empty string
			return "DIRTY-VALUE";
		}
	}

	public function setSpecialReason($name, $reason){
		$this->checks[$name]["advice"] = $reason;
		$this->checks[$name]["match"] = false;
	}

	public function writePreviousInput(){
		// FIXME: whats about output escaping of user data in XML files (htmlspecialchars?)
		$this->addTagToPath("/page", "previousInput");
		foreach($this->checks as $key => $check){
			$element = $this->createElement("input");

			$tag = $this->createElement("tagname", $key);
			$element->appendChild($tag);
			$tag = $this->createElement("value", $this->getInput($key));
			$element->appendChild($tag);
			$tag = $this->createElement("required", $check["required"] ? "1" : "0");
			$element->appendChild($tag);
			$tag = $this->createElement("advise", $check["advise"]);
			$element->appendChild($tag);
			$tag = $this->createElement("match", $check["match"] ? "1" : "0");
			$element->appendChild($tag);

			$this->addSubtreeToPath("/page/previousInput", $element);
		}
	}
}
?>

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