Mobile app PoC (#281)

Initial checkin of mobile "native" app

plugos/syscalls/fetch.ts

@@ -0,0 +1,38 @@
+import type {
+  SandboxFetchRequest,
+  SandboxFetchResponse,
+} from "../../plug-api/plugos-syscall/fetch.ts";
+import { base64Encode } from "../asset_bundle/base64.ts";
+import { SysCallMapping } from "../system.ts";
+
+export async function sandboxFetch(
+  url: string,
+  req?: SandboxFetchRequest,
+): Promise<SandboxFetchResponse> {
+  const result = await fetch(
+    url,
+    req && {
+      method: req.method,
+      headers: req.headers,
+    },
+  );
+  const body = await (await result.blob()).arrayBuffer();
+  return {
+    ok: result.ok,
+    status: result.status,
+    headers: Object.fromEntries(result.headers.entries()),
+    base64Body: base64Encode(new Uint8Array(body)),
+  };
+}
+
+export function sandboxFetchSyscalls(): SysCallMapping {
+  return {
+    "sandboxFetch.fetch": (
+      _ctx,
+      url: string,
+      options?: SandboxFetchRequest,
+    ): Promise<SandboxFetchResponse> => {
+      return sandboxFetch(url, options);
+    },
+  };
+}

plugos/syscalls/fulltext.sqlite.ts

@@ -1,9 +1,9 @@
 import { FullTextSearchOptions } from "../../plug-api/plugos-syscall/fulltext.ts";
-import { AsyncSQLite } from "../../plugos/sqlite/async_sqlite.ts";
+import { ISQLite } from "../sqlite/sqlite_interface.ts";
 import { SysCallMapping } from "../system.ts";
 
 export async function ensureFTSTable(
-  db: AsyncSQLite,
+  db: ISQLite,
   tableName: string,
 ) {
   const result = await db.query(
@@ -20,7 +20,7 @@ export async function ensureFTSTable(
 }
 
 export function fullTextSearchSyscalls(
-  db: AsyncSQLite,
+  db: ISQLite,
   tableName: string,
 ): SysCallMapping {
   return {

plugos/syscalls/store.deno.test.ts

@@ -1,7 +1,7 @@
 import { assertEquals } from "../../test_deps.ts";
 import { createSandbox } from "../environments/deno_sandbox.ts";
 import { System } from "../system.ts";
-import { ensureTable, storeSyscalls } from "./store.deno.ts";
+import { ensureTable, storeSyscalls } from "./store.sqlite.ts";
 import { AsyncSQLite } from "../sqlite/async_sqlite.ts";
 
 Deno.test("Test store", async () => {

plugos/syscalls/store.sqlite.ts

@@ -1,4 +1,4 @@
-import { AsyncSQLite } from "../sqlite/async_sqlite.ts";
+import { ISQLite } from "../sqlite/sqlite_interface.ts";
 import { SysCallMapping } from "../system.ts";
 
 export type Item = {
@@ -12,7 +12,7 @@ export type KV = {
   value: any;
 };
 
-export async function ensureTable(db: AsyncSQLite, tableName: string) {
+export async function ensureTable(db: ISQLite, tableName: string) {
   const result = await db.query(
     `SELECT name FROM sqlite_master WHERE type='table' AND name=?`,
     tableName,
@@ -72,7 +72,7 @@ export function queryToSql(
 }
 
 export function storeSyscalls(
-  db: AsyncSQLite,
+  db: ISQLite,
   tableName: string,
 ): SysCallMapping {
   const apiObj: SysCallMapping = {