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Allow remote config to set valid origins (#205)

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This commit is contained in:
Steve Faulkner
2020-09-17 16:13:22 -05:00
committed by GitHub
parent bad6a60d07
commit d85c96d408
3 changed files with 42 additions and 6 deletions
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11
src/Utils/MessageValidation.ts
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@@ -4,13 +4,18 @@ export function isInvalidParentFrameOrigin(event: MessageEvent): boolean {
return !isValidOrigin(configContext.allowedParentFrameOrigins, event);
}
function isValidOrigin(allowedOrigins: RegExp, event: MessageEvent): boolean {
function isValidOrigin(allowedOrigins: string[], event: MessageEvent): boolean {
const eventOrigin = (event && event.origin) || "";
const windowOrigin = (window && window.origin) || "";
if (eventOrigin === windowOrigin) {
return true;
}
const result = allowedOrigins && allowedOrigins.test(eventOrigin);
return result;
for (const origin of allowedOrigins) {
const result = new RegExp(origin).test(eventOrigin);
if (result) {
return true;
}
}
return false;
}