Localize connection-string login validation and connectivity messages

Move the hardcoded SQL/Tables/Gremlin connection-string login strings into en/Resources.json and reference them via the type-safe Keys object (t(Keys.connectExplorer.errors.*)).

src/Localization/en/Resources.json

@@ -1174,5 +1174,18 @@
         "retryConsoleMessage": "Data transfer job \"{{jobName}}\" in progress, total count: {{totalCount}}, processed count: {{processedCount}}"
       }
     }
+  },
+  "connectExplorer": {
+    "errors": {
+      "connectionStringMissing": "Connection string is missing.",
+      "accountNameMissing": "Account name is missing from the connection string.",
+      "endpointHostMissing": "Endpoint host is missing from the connection string.",
+      "endpointHostNotAllowed": "Endpoint host is not allowed.",
+      "accountNameMismatch": "Account name does not match the endpoint host.",
+      "accountKeyMissing": "Account key is missing from the connection string.",
+      "connectivityInvalid": "Unable to connect to the account with the provided connection string.",
+      "connectivityUnreachable": "Unable to connect to the account. Please verify the connection string is correct and that the account is reachable.",
+      "connectFailed": "Failed to connect using the provided connection string. Please verify it is correct and try again."
+    }
   }
 }

src/Platform/Hosted/Components/ConnectExplorer.tsx

@@ -1,5 +1,6 @@
 import { useBoolean } from "@fluentui/react-hooks";
 import { client } from "Common/CosmosClient";
+import { Keys, t } from "Localization";
 import { updateUserContext, userContext } from "UserContext";
 import * as React from "react";
 import ConnectImage from "../../../../images/HdeConnectCosmosDB.svg";
@@ -60,7 +61,7 @@ export const validateDirectConnectionStringConnectivity = async (
 ): Promise<string | undefined> => {
   const masterKey = extractAccountKeyFromConnectionString(connectionString);
   if (!metadata?.documentEndpoint || !masterKey) {
-    return "Unable to connect to the account with the provided connection string.";
+    return t(Keys.connectExplorer.errors.connectivityInvalid);
   }
 
   // Configure the client the same way the Data Explorer will, then issue a lightweight authenticated
@@ -76,7 +77,7 @@ export const validateDirectConnectionStringConnectivity = async (
     await client().getDatabaseAccount();
     return undefined;
   } catch {
-    return "Unable to connect to the account. Please verify the connection string is correct and that the account is reachable.";
+    return t(Keys.connectExplorer.errors.connectivityUnreachable);
   }
 };
 
@@ -148,9 +149,7 @@ export const ConnectExplorer: React.FunctionComponent<Props> = ({
                   setEncryptedToken(encryptedToken);
                   setAuthType(AuthType.ConnectionString);
                 } catch (error) {
-                  setErrorMessage(
+                  setErrorMessage(t(Keys.connectExplorer.errors.connectFailed));
-                    "Failed to connect using the provided connection string. Please verify it is correct and try again.",
-                  );
                 }
               }}
             >

src/Platform/Hosted/HostedUtils.ts

@@ -1,5 +1,6 @@
 import { AccountKind, CapabilityNames } from "../../Common/Constants";
 import { AccessInputMetadata, ApiKind } from "../../Contracts/DataModels";
+import { Keys, t } from "../../Localization";
 import { DefaultExperienceUtility } from "../../Shared/DefaultExperienceUtility";
 import { userContext } from "../../UserContext";
 
@@ -133,16 +134,16 @@ export function validateDirectConnectionStringLogin(
   metadata: AccessInputMetadata,
 ): string | undefined {
   if (!connectionString) {
-    return "Connection string is missing.";
+    return t(Keys.connectExplorer.errors.connectionStringMissing);
   }
 
   if (!metadata || !metadata.accountName) {
-    return "Account name is missing from the connection string.";
+    return t(Keys.connectExplorer.errors.accountNameMissing);
   }
 
   const host = extractEndpointHostFromConnectionString(connectionString);
   if (!host) {
-    return "Endpoint host is missing from the connection string.";
+    return t(Keys.connectExplorer.errors.endpointHostMissing);
   }
 
   // The host must belong to one of the allowlisted runtime endpoint zones.
@@ -150,17 +151,17 @@ export function validateDirectConnectionStringLogin(
     host.toLowerCase().endsWith(`.${zone.toLowerCase()}`),
   );
   if (!isAllowlistedHost) {
-    return "Endpoint host is not allowed.";
+    return t(Keys.connectExplorer.errors.endpointHostNotAllowed);
   }
 
   // The account name must be the first DNS label of the host.
   if (host.split(".")[0].toLowerCase() !== metadata.accountName.toLowerCase()) {
-    return "Account name does not match the endpoint host.";
+    return t(Keys.connectExplorer.errors.accountNameMismatch);
   }
 
   // Direct login signs requests with the account key, so it must be present in the connection string.
   if (!extractAccountKeyFromConnectionString(connectionString)) {
-    return "Account key is missing from the connection string.";
+    return t(Keys.connectExplorer.errors.accountKeyMissing);
   }
 
   return undefined;