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Copy pathuser-info-xpath.php
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user-info-xpath.php
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<?php
require_once __SITE_ROOT__.'/classes/XMLHandler.php';
try{
$lHTMLControls = 'minlength="1" maxlength="20" required="required"';
switch ($_SESSION["security-level"]){
default: // Default case: This code is insecure
case "0": // This code is insecure
$lEnableHTMLControls = false;
$lFormMethod = "GET";
$lEnableJavaScriptValidation = false;
$lProtectAgainstMethodTampering = false;
$lEncodeOutput = false;
$lProtectAgainstXPathInjection = false;
break;
case "1": // This code is insecure
$lEnableHTMLControls = true;
$lFormMethod = "GET";
$lEnableJavaScriptValidation = true;
$lProtectAgainstMethodTampering = false;
$lEncodeOutput = false;
$lProtectAgainstXPathInjection = false;
break;
case "2":
case "3":
case "4":
case "5": // This code is fairly secure
$lEnableHTMLControls = true;
$lFormMethod = "POST";
$lEnableJavaScriptValidation = true;
$lProtectAgainstMethodTampering = true;
$lEncodeOutput = true;
$lProtectAgainstXPathInjection = true;
break;
}//end switch
$lFormSubmitted = false;
if (isset($_POST["user-info-php-submit-button"]) || isset($_REQUEST["user-info-php-submit-button"])) {
$lFormSubmitted = true;
}// end if
if ($lFormSubmitted){
if ($lProtectAgainstMethodTampering) {
$lUserInfoSubmitButton = $_POST["user-info-php-submit-button"];
$lUsername = $_POST["username"];
$lPassword = $_POST["password"];
}else{
$lUserInfoSubmitButton = $_REQUEST["user-info-php-submit-button"];
$lUsername = $_REQUEST["username"];
$lPassword = $_REQUEST["password"];
}// end if $lProtectAgainstMethodTampering
}// end if $lFormSubmitted
/* ------------------------------------------
* initialize XML handler
* ------------------------------------------ */
$lXMLAccountFilePath = __SITE_ROOT__.'/data/accounts.xml';
$XMLHandler = new XMLHandler($_SESSION["security-level"]);
$XMLHandler->SetDataSource($lXMLAccountFilePath);
} catch (Exception $e) {
$lErrorMessage = "Error handled on page user-info-xpath.php";
echo $CustomErrorHandler->FormatError($e, $lErrorMessage);
}// end try;
?>
<script type="text/javascript">
<?php
if($lEnableJavaScriptValidation){
echo "var lValidateInput = \"TRUE\"" . PHP_EOL;
}else{
echo "var lValidateInput = \"FALSE\"" . PHP_EOL;
}// end if
?>
function onSubmitOfForm(/*HTMLFormElement*/ theForm){
try{
var lUnsafeCharacters = /[\W]/g;
if(lValidateInput == "TRUE"){
if (theForm.username.value.length > 15){
alert('Username too long. We dont want to allow too many characters.\n\nSomeone might have enough room to enter a hack attempt.');
return false;
}// end if
if (theForm.username.value.search(lUnsafeCharacters) > -1){
alert('Dangerous characters detected. We can\'t allow these. This all powerful blacklist will stop such attempts.\n\nMuch like padlocks, filtering cannot be defeated.\n\nBlacklisting is l33t like l33tspeak.');
return false;
}// end if
}// end if(lValidateInput)
return true;
}catch(e){
alert("Error: " + e.message);
}// end catch
}// end function onSubmitOfForm(/*HTMLFormElement*/ theForm)
</script>
<div class="page-title">User Lookup (XPath)</div>
<?php include_once __SITE_ROOT__.'/includes/back-button.inc';?>
<?php include_once __SITE_ROOT__.'/includes/hints/hints-menu-wrapper.inc'; ?>
<span>
<a style="text-decoration: none; cursor: pointer;" href="./webservices/soap/ws-user-account.php">
<img style="vertical-align: middle;" src="./images/ajax_logo-75-79.jpg" height="75px" width="78px" alt="AJAX Logo" />
<span style="font-weight:bold;">Switch to SOAP Web Service version</span>
</a>
</span>
<span>
<a style="text-decoration: none; cursor: pointer;" href="index.php?page=user-info.php">
<img style="vertical-align: middle;" src="./images/sql-logo-64-64.png" alt="SQL Logo" />
<span style="font-weight:bold;">Switch to SQL version</span>
</a>
</span>
<form action="./index.php?page=user-info-xpath.php"
method="<?php echo $lFormMethod; ?>"
enctype="application/x-www-form-urlencoded"
onsubmit="return onSubmitOfForm(this);"
>
<input type="hidden" name="page" value="user-info-xpath.php" />
<table>
<tr id="id-bad-cred-tr" style="display: none;">
<td colspan="2" class="error-message">
Authentication Error: Bad user name or password
</td>
</tr>
<tr><td></td></tr>
<tr>
<td colspan="2" class="form-header">Please enter username and password<br/> to view account details</td>
</tr>
<tr><td></td></tr>
<tr>
<td class="label">Name</td>
<td>
<input type="text" name="username" size="20" autofocus="autofocus"
<?php if ($lEnableHTMLControls) { echo $lHTMLControls; } ?>
/>
</td>
</tr>
<tr>
<td class="label">Password</td>
<td>
<input type="password" name="password" size="20"
<?php if ($lEnableHTMLControls) { echo $lHTMLControls; } ?>
/>
</td>
</tr>
<tr><td></td></tr>
<tr>
<td colspan="2" style="text-align:center;">
<input name="user-info-php-submit-button" class="button" type="submit" value="View Account Details" />
</td>
</tr>
<tr><td></td></tr>
<tr>
<td colspan="2" style="text-align:center; font-style: italic;">
Dont have an account? <a href="?page=register.php">Please register here</a>
</td>
</tr>
</table>
</form>
<?php
if ($lFormSubmitted){
try {
$LogHandler->writeToLog("Recieved request to display user information for: " . $lUsername);
if($lProtectAgainstXPathInjection){
$lXPathUsername = $Encoder->encodeForXPath($lUsername);
$lXPathPassword = $Encoder->encodeForXPath($lPassword);
}else{
$lXPathUsername = $lUsername;
$lXPathPassword = $lPassword;
}// end if
if($lEncodeOutput){
$lHTMLUsername = $Encoder->encodeForHTML($lUsername);
}else{
$lHTMLUsername = $lUsername;
}// end if
$lXPathQueryString = "//Employee[UserName='{USERNAME}' and Password='{PASSWORD}']";
$lXPathQueryString = str_replace("{USERNAME}", $lXPathUsername, $lXPathQueryString);
$lXPathQueryString = str_replace("{PASSWORD}", $lXPathPassword, $lXPathQueryString);
$lXMLQueryResults = $XMLHandler->ExecuteXPATHQuery($lXPathQueryString);
if($lEncodeOutput){
$lHTMLXPathQueryString = $Encoder->encodeForHTML($lXPathQueryString);
}else{
$lHTMLXPathQueryString = $lXPathQueryString;
}// end if
echo '<br />
<div class="report-header">
Results for <span style="color:#770000;">'
.$lHTMLUsername.
'</span></div>';
echo '<br /><span style="font-weight:bold;">Executed query:</span> ' . $lHTMLXPathQueryString . '<br /><br />';
if ($lXMLQueryResults){
echo $lXMLQueryResults;
}else{
echo '<script>document.getElementById("id-bad-cred-tr").style.display=""</script>';
};// end if
echo "<br /><input type='button' class='button' value='Click Here to View XML' onclick=\"var s=document.getElementById('xml').style; s.display=='none'?s.display='inline':s.display='none';\"><br />";
echo "<div id=\"xml\" style=\"display: none;\"></div>";
} catch (Exception $e) {
$lErrorMessage = "Error attempting to display user information";
echo $CustomErrorHandler->FormatError($e, $lErrorMessage);
}// end try;
}// end if (isset($_POST))
?>
<script>
function decode_data() {
var decoded_data = window.atob('<?php echo base64_encode(htmlspecialchars(file_get_contents($lXMLAccountFilePath))); ?>');
document.getElementById('xml').innerHTML = '<pre>'+decoded_data+'</pre>';
}// end function
decode_data();
</script>
</body>