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hedera-web-mindshore/web/json-service.php

121 lines
2.2 KiB
PHP

<?php
namespace Vn\Web;
use Vn\Lib;
/**
* Base class for JSON application.
*/
class JsonService extends RestService
{
private $warnings = NULL;
function run ()
{
ini_set ('display_errors', FALSE);
set_error_handler ([$this, 'errorHandler'], E_ALL);
set_exception_handler ([$this, 'exceptionHandler']);
$this->startSession ();
// Checks the client version
if (!empty ($_COOKIE['vnVersion']))
$clientVersion = (int) $_COOKIE['vnVersion'];
if (isset ($clientVersion)
&& $clientVersion < $this->getVersion ())
throw new OutdatedVersionException ();
$json = $this->loadMethod (__NAMESPACE__.'\JsonRequest');
$this->replyJson ($json);
}
function replyJson ($jsonData)
{
$reply = new JsonReply ();
$reply->data = $jsonData;
$reply->warnings = $this->warnings;
header ('Content-Type: application/json; charset=UTF-8');
echo json_encode ($reply);
}
function errorHandler ($errno, $message, $file, $line, $context)
{
$eUserWarn =
E_USER_NOTICE
| E_USER_WARNING
| E_USER_DEPRECATED;
$eCoreWarn =
E_NOTICE
| E_WARNING
| E_DEPRECATED;
$eWarn = $eUserWarn | $eCoreWarn;
$eUser = $eUserWarn | E_USER_ERROR;
$json = new JsonException ();
if (_ENABLE_DEBUG || $errno & $eUser)
$json->message = $message;
else
$json->message = s('Something went wrong');
if (_ENABLE_DEBUG)
{
$json->code = $errno;
$json->file = $file;
$json->line = $line;
}
if ($errno & $eWarn)
{
if (!isset ($this->warnings))
$this->warnings = [];
$this->warnings[] = $json;
}
else
{
http_response_code (500);
$this->replyJson ($json);
exit ();
}
return !($errno & $eUser);
}
function exceptionHandler ($e)
{
$json = new JsonException ();
if (_ENABLE_DEBUG || $e instanceof Lib\UserException)
{
$json->exception = get_class ($e);
$json->message = $e->getMessage ();
}
else
{
$json->exception = 'Exception';
$json->message = s('Something went wrong');
}
if (_ENABLE_DEBUG)
{
$json->code = $e->getCode ();
$json->file = $e->getFile ();
$json->line = $e->getLine ();
$json->trace = $e->getTrace ();
}
$this->statusFromException ($e);
$this->replyJson ($json);
if (!($e instanceof Lib\UserException))
throw $e;
}
}