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fix: cud regex #717

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Merged
merged 1 commit into from
Jun 15, 2023
+7 −4
Merged

fix: cud regex #717

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11 changes: 7 additions & 4 deletions src/main/java/io/supertokens/webserver/Utils.java
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Original file line number Diff line number Diff line change
Expand Up @@ -43,17 +43,20 @@ public static String normalizeAndValidateConnectionUriDomain(String connectionUr
throw new ServletException(new WebserverAPI.BadRequestException("connectionUriDomain should not be an empty String"));
}

String hostnameRegex = "^[a-z][a-z0-9-]+(\\.[a-z][a-z0-9-]+)*(:[0-9]+)?$";
String ipRegex = "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(:[0-9]+)?$";

if (!connectionUriDomain.matches(hostnameRegex) && !connectionUriDomain.matches(ipRegex)) {
throw new ServletException(new WebserverAPI.BadRequestException("connectionUriDomain is invalid"));
}

try {
URL url = new URL("http://" + connectionUriDomain);

if (url.getPath() != null && url.getPath().length() > 0) {
throw new ServletException(new WebserverAPI.BadRequestException("connectionUriDomain is invalid"));
}

if (url.getAuthority() != null && url.getAuthority().length() > 0) {
throw new ServletException(new WebserverAPI.BadRequestException("connectionUriDomain is invalid"));
}

connectionUriDomain = url.getHost();
} catch (MalformedURLException e) {
throw new ServletException(new WebserverAPI.BadRequestException("connectionUriDomain is invalid"));
Expand Down