N°5341-log when ormcaselog is being broken

2026-04-23 10:38:45 +02:00 · 2023-05-15 18:40:32 +02:00
parent a303601c4e
commit 0146d7ad18
1 changed files with 92 additions and 0 deletions
--- a/core/LogBrokenOrmCaseLogExtension.inc.php
+++ b/core/LogBrokenOrmCaseLogExtension.inc.php
@@ -0,0 +1,92 @@
+<?php
+
+class LogBrokenOrmCaseLogExtension implements iOrmCaseLogExtension {
+	const CASE_LOG_SEPARATOR_REGEX_FIND = "\n?========== \w+-\d+-\d+ \d+:\d+:\d+ : .*\s\(\d+\) ============\n\n";
+	const CASE_LOG_SEPARATOR_REGEX_EXTRACT = "\n?========== (?<date>\w+-\d+-\d+ \d+:\d+:\d+) : (?<user_name>.*)\s\((?<user_id>\d+)\) ============\n\n";
+
+	public function Rebuild(&$sLog, &$aIndex): bool {
+		try {
+			if (! self::IsIndexIntegrityOk($aIndex, $sLog)){
+				throw new \Exception();
+			}
+		} catch (Exception $oException) {
+			\IssueLog::Error('Broken caselog', LogChannels::ORM_CASELOG, [
+				'exception_message' => $oException->getMessage(),
+				'exception_stacktrace' => $oException->getTraceAsString(),
+			]);
+		}
+	}
+
+	/**
+	 * @return bool
+	 */
+	public function IsIndexIntegrityOk($aIndex, $sLog, $bExtraChecks = false)
+	{
+		preg_match_all('/'.self::CASE_LOG_SEPARATOR_REGEX_FIND.'/', $sLog, $aMatches);
+		if (count($aIndex) != count($aMatches[0])) {
+			return false;
+		}
+
+		$iPos = 0;
+		for ($i = count($aIndex) - 1; $i >= 0; $i--) {
+			$iSeparatorLen = $aIndex[$i]['separator_length'];
+			$sSeparator = substr($sLog, $iPos, $iSeparatorLen);
+			if (!preg_match('/^'.self::CASE_LOG_SEPARATOR_REGEX_FIND.'$/', $sSeparator)) {
+				return false;
+			}
+
+			$iPos += $iSeparatorLen;
+			$iPos += $aIndex[$i]['text_length'];
+		}
+
+		if ($bExtraChecks) {
+			$aNewIndex = static::RebuildIndex($sLog);
+			if ($aIndex != $aNewIndex) {
+				return false;
+			}
+		}
+
+		return true;
+	}
+
+	/**
+	 * @param $sLog
+	 *
+	 * @return array
+	 */
+	public static function RebuildIndex($sLog)
+	{
+		$aTexts = preg_split('/'.self::CASE_LOG_SEPARATOR_REGEX_FIND.'/', $sLog, 0, PREG_SPLIT_NO_EMPTY);
+		preg_match_all('/'.self::CASE_LOG_SEPARATOR_REGEX_FIND.'/', $sLog, $aMatches);
+
+		if (count($aTexts) != count($aMatches[0])) {
+			return [];
+		}
+
+		$aIndex = [];
+		$iPrevDate = 0;
+		for ($index = count($aTexts) - 1; $index >= 0; $index--) {
+			$sSeparator = $aMatches[0][$index];
+			preg_match('/'.self::CASE_LOG_SEPARATOR_REGEX_EXTRACT.'/', $sSeparator, $aSeparatorParts);
+
+			try {
+				$iDate = (int)AttributeDateTime::GetAsUnixSeconds($aSeparatorParts['date']);
+				$iPrevDate = $iDate + 1;
+			}
+			catch (Exception $e) {
+				$iDate = $iPrevDate;
+			}
+
+			$aIndex[] = array(
+				'user_name' => $aSeparatorParts['user_name'],
+				'user_id' => $aSeparatorParts['user_id'],
+				'date' => $iDate,
+				'text_length' => strlen($aTexts[$index]),
+				'separator_length' => strlen($sSeparator),
+				'format' => 'html',
+			);
+		}
+
+		return $aIndex;
+	}
+}