Skip to content

Instantly share code, notes, and snippets.

@ken-muturi
Last active Jul 8, 2016
Embed
What would you like to do?
PHP ODK Util File
<?php
class Util
{
public static $realm = 'PHP ODK Aggregate';
public static $users = [
'admin' => 'mypass',
'guest' => 'guest'
];
// function to parse the http auth header
public static function http_digest_parse( $txt )
{
// protect against missing data
$needed_parts = array('nonce'=>1, 'nc'=>1, 'cnonce'=>1, 'qop'=>1, 'username'=>1, 'uri'=>1, 'response'=>1);
$data = array();
preg_match_all('@(\w+)=(?:(?:\'([^\']+)\'|"([^"]+)")|([^\s,]+))@', $txt, $matches, PREG_SET_ORDER);
foreach ($matches as $m)
{
$data[$m[1]] = $m[2] ? $m[2] : ($m[3] ? $m[3] : $m[4]);
unset($needed_parts[$m[1]]);
}
return $needed_parts ? false : $data;
}
public static function check_user_pass()
{
$data = self::http_digest_parse( $_SERVER['PHP_AUTH_DIGEST'] );
$name = $data['username'];
file_put_contents(realpath('uploads/uploaded_files/').'/data.json', json_encode($data) );
$A1 = md5($data['username'] . ':' . self::$realm . ':' . self::$users[$data['username']]);
$A2 = md5($_SERVER['REQUEST_METHOD'].':'.$data['uri']);
$valid_response = md5($A1.':'.$data['nonce'].':'.$data['nc'].':'.$data['cnonce'].':'.$data['qop'].':'.$A2);
if ($data['response'] != $valid_response)
return false;
return true;
}
public static function formList()
{
$forms = glob('uploads/odk/*.xml');
$_forms = [];
$_forms [] = '<xforms xmlns="http://openrosa.org/xforms/xformsList">';
foreach ($forms as $form)
{
$details = pathinfo($form);
$url = self::site_url($form);
$_forms [] = "<xform>";
$_forms [] = "<formID>{$details['filename']}</formID>";
$_forms [] = "<name>{$details['filename']}</name>";
$_forms [] = "<version>1.1</version>";
$_forms [] = "<hash>md5:". md5_file( $form ) ."</hash>";
$_forms [] = "<downloadUrl>{$url}</downloadUrl>";
$_forms [] = "</xform>";
}
$_forms [] = '</xforms>';
return $_forms;
}
/**
* Wrap output of the print_r() function in <PRE> html tags to enable easier debug selects either the last posted value or the db value (selected value)
*
* @author imss team
* */
public static function printr($var)
{
if ($var === FALSE)
{
var_dump($var);
}
else
{
echo "<pre>" . print_r($var, 1) . "</pre>";
}
}
public static function printResponse($msg = '', $httpcode="200 OK")
{
header('HTTP/1.1 '.$httpcode);
header('Content-Type: text/xml');
echo "<OpenRosaResponse xmlns=\"http://openrosa.org/http/response items=\"1\">";
echo "<message>$msg</message>";
echo "</OpenRosaResponse>";
die();
}
public static function printError($msg = '', $httpcode="400 Not found")
{
header('HTTP/1.1 '. $httpcode);
header('Content-Type: text/html');
echo "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\"\"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd\">
<html>
<head>
<title>Error</title>
</head>
<body><h1>$httpcode</h1>
<p>$msg</p></body>
</html>
";
die();
}
/**
* Create a teaser from string.
*
* This function will eventually be deleted, please use word_limiter()
*
* @param string $string The
* @param int $length The character length of the teaser
* @return string
* @author imss team
* */
public static function teaser($string, $length)
{
return substr($string, 0, $length) . (($length < strlen($string)) ? " .." : null);
}
public static function selected($field, $value, $selected_value = null)
{
$selected = (isset($_POST[$field])) ? ($_POST[$field] == $value) : null;
if ($selected) return "selected='selected'";
if ($selected_value)
{
if( is_object($selected_value) )
{
if ($value == $selected_value->$field)
{
return "selected='selected'";
}
}
else if ($value == $selected_value)
{
return "selected='selected'";
}
}
}
public static function checked($field, $value, $selected_value = null)
{
$selected = (isset($_POST[$field])) ? ($_POST[$field] == $value) : null;
if ($selected) return "checked='checked'";
if ($selected_value)
{
if( is_object($selected_value) )
{
if ($value == $selected_value->$field)
{
return "checked='checked'";
}
}
elseif ($value == $selected_value)
{
return "checked='checked'";
}
}
}
public static function formval($prop, $default = '')
{
if (isset($_POST[$prop]))
{
return $_POST[$prop];
}
if ($default)
{
if( is_object($default) )
{
return $default->$prop;
}
return $default;
}
}
public static function check_checkbox($name, $dbval = null)
{
if ( $dbval ) return "checked='checked'";
$variable = null;
if (preg_match('/\]/i', $name))
{
preg_match_all('/(.+)\[(.+)\]/i', $name, $matches);
$name = $matches[1][0];
$idx = $matches[2][0];
if ( isset($_POST[$name][$idx]) )
{
$variable = $_POST[$name][$idx];
}
}
if (isset( $_POST[$name] ) )
{
$variable = $_POST[$name];
}
return ( $variable ) ? "checked='checked'" : null;
}
function site_url($var)
{
return BASE_URL.$var;
}
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment