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[stable30] fix(matterbridge): Check parameters #16525

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Merged
nickvergessen merged 3 commits into from
Dec 11, 2025
Merged

[stable30] fix(matterbridge): Check parameters #16525

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7ad8a68
fix(matterbridge): Check parameters
nickvergessen Dec 10, 2025
e223207
fix(test): Setup filesystem of participant2 before checking if it's s…
nickvergessen Aug 26, 2025
7b1c409
chore: Set version to 21.1.11
nickvergessen Dec 11, 2025
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19 changes: 18 additions & 1 deletion lib/MatterbridgeManager.php
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Original file line number Diff line number Diff line change
Expand Up @@ -111,7 +111,7 @@ public function editBridgeOfRoom(Room $room, string $userId, bool $enabled, arra
$newBridge = [
'enabled' => $enabled,
'pid' => $currentBridge['pid'] ?? 0,
'parts' => $parts,
'parts' => $this->validateParts($parts),
];

$this->notify($room, $userId, $currentBridge, $newBridge);
Expand Down Expand Up @@ -335,6 +335,7 @@ private function generatePassword(): string {
private function generateConfig(array $bridge): string {
$content = '';
foreach ($bridge['parts'] as $k => $part) {
$k = (int)$k;
$type = $part['type'];

if ($type === 'nctalk') {
Expand Down Expand Up @@ -494,6 +495,22 @@ private function generateConfig(array $bridge): string {
return $content;
}

protected function validateParts(array $parts): array {
foreach ($parts as $k => $part) {
if (!is_numeric($k)) {
$this->logger->error('User tried to configure a malicious matterbridge setup');
throw new \InvalidArgumentException('Invalid matterbridge parameters');
}
foreach ($part as $key => $value) {
if (preg_match('/["\n]/', $key) || preg_match('/["\n]/', $value)) {
$this->logger->error('User tried to configure a malicious matterbridge setup');
throw new \InvalidArgumentException('Invalid matterbridge parameters');
}
}
}
return $parts;
}

/**
* Remove the scheme from an URL and add port
*
Expand Down
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