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diff --git a/lib/shared/keyserver-utils.js b/lib/shared/keyserver-utils.js
new file mode 100644
--- /dev/null
+++ b/lib/shared/keyserver-utils.js
@@ -0,0 +1,48 @@
+// @flow
+
+import * as React from 'react';
+
+import {
+ useGetVersion,
+ getVersionActionTypes,
+} from '../actions/device-actions.js';
+import { useDispatchActionPromise } from '../utils/action-utils.js';
+
+function useIsKeyserverURLValid(keyserverURL?: string): () => Promise<boolean> {
+ const serverCallParamOverride = React.useMemo(() => {
+ if (!keyserverURL) {
+ return undefined;
+ }
+
+ return {
+ keyserverInfos: {
+ [(keyserverURL: string)]: {
+ urlPrefix: keyserverURL,
+ },
+ },
+ };
+ }, [keyserverURL]);
+
+ const getVersionCall = useGetVersion(serverCallParamOverride);
+
+ const dispatchActionPromise = useDispatchActionPromise();
+
+ return React.useCallback(async () => {
+ if (!keyserverURL) {
+ return false;
+ }
+
+ const getVersionPromise = getVersionCall();
+ dispatchActionPromise(getVersionActionTypes, getVersionPromise);
+
+ // We don't care about the result; just need to make sure this doesn't throw
+ try {
+ await getVersionPromise;
+ return true;
+ } catch (e) {
+ return false;
+ }
+ }, [dispatchActionPromise, getVersionCall, keyserverURL]);
+}
+
+export { useIsKeyserverURLValid };
diff --git a/native/account/registration/keyserver-selection.react.js b/native/account/registration/keyserver-selection.react.js
--- a/native/account/registration/keyserver-selection.react.js
+++ b/native/account/registration/keyserver-selection.react.js
@@ -4,12 +4,9 @@
import * as React from 'react';
import { Text, View, TextInput } from 'react-native';
-import {
- useGetVersion,
- getVersionActionTypes,
-} from 'lib/actions/device-actions.js';
+import { getVersionActionTypes } from 'lib/actions/device-actions.js';
import { createLoadingStatusSelector } from 'lib/selectors/loading-selectors.js';
-import { useDispatchActionPromise } from 'lib/utils/action-utils.js';
+import { useIsKeyserverURLValid } from 'lib/shared/keyserver-utils.js';
import RegistrationButtonContainer from './registration-button-container.react.js';
import RegistrationButton from './registration-button.react.js';
@@ -108,34 +105,18 @@
buttonState = 'loading';
}
- const serverCallParamOverride = React.useMemo(
- () => ({
- keyserverInfos: {
- [(keyserverURL: string)]: {
- urlPrefix: keyserverURL,
- },
- },
- }),
- [keyserverURL],
- );
- const getVersionCall = useGetVersion(serverCallParamOverride);
+ const isKeyserverURLValidPromiseCallback =
+ useIsKeyserverURLValid(keyserverURL);
- const dispatchActionPromise = useDispatchActionPromise();
const { navigate } = props.navigation;
const { coolOrNerdMode } = props.route.params.userSelections;
+
const onSubmit = React.useCallback(async () => {
setError(undefined);
- if (!keyserverURL) {
- return;
- }
- const getVersionPromise = getVersionCall();
- dispatchActionPromise(getVersionActionTypes, getVersionPromise);
+ const isKeyserverURLValid = await isKeyserverURLValidPromiseCallback();
- // We don't care about the result; just need to make sure this doesn't throw
- try {
- await getVersionPromise;
- } catch {
+ if (!isKeyserverURLValid) {
setError('cant_reach_keyserver');
return;
}
@@ -149,12 +130,11 @@
params: { userSelections: { coolOrNerdMode, keyserverURL } },
});
}, [
- navigate,
- coolOrNerdMode,
keyserverURL,
+ isKeyserverURLValidPromiseCallback,
setCachedSelections,
- dispatchActionPromise,
- getVersionCall,
+ navigate,
+ coolOrNerdMode,
]);
const styles = useStyles(unboundStyles);

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