Client: Clean command

Author: zefhemel

client/data/encrypted_kv_primitives.ts

@@ -22,6 +22,10 @@ export class EncryptedKvPrimitives implements KvPrimitives {
     this.keyKey = encryptionKey;
   }
 
+  get dbName(): string {
+    return (this.wrapped as any).dbName;
+  }
+
   // MUST immediately be called after constructor
   async init() {
     this.dataKey = await deriveGCMKeyFromCTR(this.keyKey);

client/plugos/syscalls/system.ts

@@ -108,6 +108,23 @@ export function systemSyscalls(
         alert("Client wiped, feel free to navigate elsewhere");
       }
     },
+    "system.cleanDatabases": async (): Promise<boolean> => {
+      // Determine current dbName
+      const dbName = (client.ds.kv as any).dbName;
+      const suffix = dbName.replace("sb_data", "");
+      if (indexedDB.databases) {
+        const allDbs = await indexedDB.databases();
+        for (const db of allDbs) {
+          if (!db.name?.endsWith(suffix)) {
+            console.log("Deleting database", db.name);
+            indexedDB.deleteDatabase(db.name!);
+          }
+        }
+        return true;
+      } else {
+        return false;
+      }
+    },
     // DEPRECATED
     "system.getEnv": () => {
       console.warn(

plug-api/syscalls/system.ts

@@ -78,3 +78,10 @@ export function getConfig<T = any>(
 export function wipeClient(logout = false): Promise<void> {
   return syscall("system.wipeClient", logout);
 }
+
+/**
+ * Deletes all IndexedDB databases that are not connected to client (e.g. legacy databases)
+ */
+export function cleanDatabases(): Promise<boolean> {
+  return syscall("system.cleanDatabases");
+}

plugs/editor/editor.plug.yaml

@@ -256,6 +256,11 @@ functions:
     command:
       name: "Client: Wipe"
 
+  cleanClientCommand:
+    path: ./system.ts:cleanClientCommand
+    command:
+      name: "Client: Clean"
+
   wipeAndLogoutCommand:
     path: ./system.ts:wipeAndLogoutCommand
     command:

plugs/editor/system.ts

@@ -30,6 +30,14 @@ export async function wipeAndLogoutCommand() {
   await system.wipeClient(true);
 }
 
+export async function cleanClientCommand() {
+  if (await system.cleanDatabases()) {
+    await editor.alert("Successfullly cleaned unnecessary client databases.");
+  } else {
+    await editor.alert("Failed to clean unnecessary client databases.");
+  }
+}
+
 export async function reloadUICommand() {
   await editor.reloadUI();
 }

website/CHANGELOG.md

@@ -16,6 +16,7 @@ An attempt at documenting the changes/new features introduced in each release.
   * [Vimeo](https://github.com/silverbulletmd/silverbullet/pull/1616)
   * [Peertube](https://github.com/silverbulletmd/silverbullet/pull/1612)
 * Atomic upgrades with `silverbullet update` and `silverbullet update-edge` (by [Mihai Maruseac](https://github.com/silverbulletmd/silverbullet/pull/1634))
+* Added `Client : Clean` command that deletes all redundant IndexedDB databases (ones the client is not using)
 * Fix: bottom search bar dark mode styling (by [numan](https://github.com/silverbulletmd/silverbullet/pull/1614))
 * Fix: navigation with auto links (by [MrMugame](https://github.com/silverbulletmd/silverbullet/pull/1607))