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guess which plugin was the source of an exception 

This looks at filenames and classes involved in the stacktrace to see if
a plugin is referenced.

We're only guessing plugins here, because looking for templates may
cause false positives where templates load plugins.
This commit is contained in:
Andreas Gohr 2020-07-13 19:29:12 +02:00
parent 642e976cb6
commit 7e0b27f2ad
1 changed files with 29 additions and 0 deletions
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29
inc/ErrorHandler.php
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@ -25,8 +25,10 @@ class ErrorHandler
*/
public static function fatalException($e)
{
$plugin = self::guessPlugin($e);
$title = hsc(get_class($e) . ': ' . $e->getMessage());
$msg = 'An unforeseen error has occured. This is most likely a bug somewhere.';
if ($plugin) $msg .= ' It might be a problem in the ' . $plugin . ' plugin.';
$logged = self::logException($e)
? 'More info has been written to the DokuWiki _error.log'
: $e->getFile() . ':' . $e->getLine();
@ -95,4 +97,31 @@ EOT;
$log = join("\t", [gmdate('c'), get_class($e), $e->getFile() . ':' . $e->getLine(), $e->getMessage()]) . "\n";
return io_saveFile($conf['cachedir'] . '/_error.log', $log, true);
}
/**
* Checks the the stacktrace for plugin files
*
* @param \Throwable $e
* @return false|string
*/
protected static function guessPlugin($e)
{
foreach ($e->getTrace() as $line) {
if (
isset($line['class']) &&
preg_match('/\w+?_plugin_(\w+)/', $line['class'], $match)
) {
return $match[1];
}
if (
isset($line['file']) &&
preg_match('/lib\/plugins\/(\w+)\//', str_replace('\\', '/', $line['file']), $match)
) {
return $match[1];
}
}
return false;
}
}