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