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refactor: fix exception handling (#2835)

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* refactor: fix exception handling

The removed catch is never uses in php versions above 7.
The need for multiple catch statements like this is to support both php 5 and 7.

* remove traces of old exception handling

* add typehints

* dont treat exception code 0 specially
This commit is contained in:
Dag 2022-06-22 18:30:06 +02:00 • committed by GitHub
parent 07927008eb
commit fad0dbb6ef
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2 changed files with 12 additions and 82 deletions
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62
actions/DisplayAction.php
View file

@ -153,7 +153,7 @@ class DisplayAction extends ActionAbstract {
'donationUri' => $bridge->getDonationURI(),
'icon' => $bridge->getIcon()
);
} catch(Error $e) {
} catch(\Throwable $e) {
error_log($e);
if(logBridgeError($bridge::NAME, $e->getCode()) >= Configuration::getConfig('error', 'report_limit')) {
@ -163,22 +163,12 @@ class DisplayAction extends ActionAbstract {
// Create "new" error message every 24 hours
$this->userData['_error_time'] = urlencode((int)(time() / 86400));
// Error 0 is a special case (i.e. "trying to get property of non-object")
if($e->getCode() === 0) {
$item->setTitle(
'Bridge encountered an unexpected situation! ('
. $this->userData['_error_time']
. ')'
);
} else {
$item->setTitle(
'Bridge returned error '
. $e->getCode()
. '! ('
. $this->userData['_error_time']
. ')'
);
}
$message = sprintf(
'Bridge returned error %s! (%s)',
$e->getCode(),
$this->userData['_error_time']
);
$item->setTitle($message);
$item->setURI(
(isset($_SERVER['REQUEST_URI']) ? parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH) : '')
@ -189,38 +179,6 @@ class DisplayAction extends ActionAbstract {
$item->setTimestamp(time());
$item->setContent(buildBridgeException($e, $bridge));
$items[] = $item;
} elseif(Configuration::getConfig('error', 'output') === 'http') {
header('Content-Type: text/html', true, $this->get_return_code($e));
die(buildTransformException($e, $bridge));
}
}
} catch(Exception $e) {
error_log($e);
if(logBridgeError($bridge::NAME, $e->getCode()) >= Configuration::getConfig('error', 'report_limit')) {
if(Configuration::getConfig('error', 'output') === 'feed') {
$item = new \FeedItem();
// Create "new" error message every 24 hours
$this->userData['_error_time'] = urlencode((int)(time() / 86400));
$item->setURI(
(isset($_SERVER['REQUEST_URI']) ? parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH) : '')
. '?'
. http_build_query($this->userData)
);
$item->setTitle(
'Bridge returned error '
. $e->getCode()
. '! ('
. $this->userData['_error_time']
. ')'
);
$item->setTimestamp(time());
$item->setContent(buildBridgeException($e, $bridge));
$items[] = $item;
} elseif(Configuration::getConfig('error', 'output') === 'http') {
header('Content-Type: text/html', true, $this->get_return_code($e));
@ -251,11 +209,7 @@ class DisplayAction extends ActionAbstract {
header('Content-Type: ' . $format->getMimeType() . '; charset=' . $format->getCharset());
echo $format->stringify();
} catch(Error $e) {
error_log($e);
header('Content-Type: text/html', true, $e->getCode());
die(buildTransformException($e, $bridge));
} catch(Exception $e) {
} catch(\Throwable $e) {
error_log($e);
header('Content-Type: text/html', true, $e->getCode());
die(buildTransformException($e, $bridge));

32
lib/Exceptions.php
View file

@ -66,20 +66,8 @@ function buildGitHubIssueQuery($title, $body, $labels = null, $maintainer = null
return $uri;
}
/**
* Returns the exception message as HTML string
*
* @param object $e Exception The exception to show
* @param object $bridge object The bridge object
* @return string|null Returns the exception as HTML string or null.
*
* @todo This function belongs inside a class
*/
function buildBridgeException($e, $bridge){
if(( !($e instanceof \Exception) && !($e instanceof \Error)) || !($bridge instanceof \BridgeInterface)) {
return null;
}
function buildBridgeException(\Throwable $e, BridgeInterface $bridge): string
{
$title = $bridge->getName() . ' failed with error ' . $e->getCode();
// Build a GitHub compatible message
@ -106,20 +94,8 @@ EOD;
return $section;
}
/**
* Returns the exception message as HTML string
*
* @param object $e Exception The exception to show
* @param object $bridge object The bridge object
* @return string|null Returns the exception as HTML string or null.
*
* @todo This function belongs inside a class
*/
function buildTransformException($e, $bridge){
if(( !($e instanceof \Exception) && !($e instanceof \Error)) || !($bridge instanceof \BridgeInterface)) {
return null;
}
function buildTransformException(\Throwable $e, BridgeInterface $bridge): string
{
$title = $bridge->getName() . ' failed with error ' . $e->getCode();
// Build a GitHub compatible message