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silverbullet/cli/plug_run.ts
2023-08-11 20:37:13 +02:00

182 lines
5.8 KiB
TypeScript

import { path } from "../common/deps.ts";
import { PlugNamespaceHook } from "../common/hooks/plug_namespace.ts";
import { SilverBulletHooks } from "../common/manifest.ts";
import { loadMarkdownExtensions } from "../common/markdown_parser/markdown_ext.ts";
import buildMarkdown from "../common/markdown_parser/parser.ts";
import { DiskSpacePrimitives } from "../common/spaces/disk_space_primitives.ts";
import { EventedSpacePrimitives } from "../common/spaces/evented_space_primitives.ts";
import { FileMetaSpacePrimitives } from "../common/spaces/file_meta_space_primitives.ts";
import { PlugSpacePrimitives } from "../common/spaces/plug_space_primitives.ts";
import { AssetBundle } from "../plugos/asset_bundle/bundle.ts";
import { createSandbox } from "../plugos/environments/deno_sandbox.ts";
import { CronHook } from "../plugos/hooks/cron.ts";
import { EventHook } from "../plugos/hooks/event.ts";
import { MQHook } from "../plugos/hooks/mq.ts";
import { DenoKVStore } from "../plugos/lib/kv_store.deno_kv.ts";
import { DexieMQ } from "../plugos/lib/mq.dexie.ts";
import assetSyscalls from "../plugos/syscalls/asset.ts";
import { eventSyscalls } from "../plugos/syscalls/event.ts";
import { sandboxFetchSyscalls } from "../plugos/syscalls/fetch.ts";
import { mqSyscalls } from "../plugos/syscalls/mq.dexie.ts";
import { shellSyscalls } from "../plugos/syscalls/shell.deno.ts";
import { storeSyscalls } from "../plugos/syscalls/store.ts";
import { System } from "../plugos/system.ts";
import { Space } from "../web/space.ts";
import { debugSyscalls } from "../web/syscalls/debug.ts";
import { pageIndexSyscalls } from "./syscalls/index.ts";
import { markdownSyscalls } from "../web/syscalls/markdown.ts";
import { systemSyscalls } from "../web/syscalls/system.ts";
import { yamlSyscalls } from "../web/syscalls/yaml.ts";
import { spaceSyscalls } from "./syscalls/space.ts";
import { IDBKeyRange, indexedDB } from "https://esm.sh/fake-indexeddb@4.0.2";
import { Application } from "../server/deps.ts";
import { EndpointHook } from "../plugos/hooks/endpoint.ts";
import { sleep } from "../common/async_util.ts";
export async function runPlug(
spacePath: string,
functionName: string | undefined,
args: string[] = [],
builtinAssetBundle: AssetBundle,
indexFirst = false,
httpServerPort = 3123,
httpHostname = "127.0.0.1",
) {
spacePath = path.resolve(spacePath);
const system = new System<SilverBulletHooks>("cli");
// Event hook
const eventHook = new EventHook();
system.addHook(eventHook);
// Cron hook
const cronHook = new CronHook(system);
system.addHook(cronHook);
const kvStore = new DenoKVStore();
const tempFile = Deno.makeTempFileSync({ suffix: ".db" });
await kvStore.init(tempFile);
// Endpoint hook
const app = new Application();
system.addHook(new EndpointHook(app, "/_"));
const serverController = new AbortController();
app.listen({
hostname: httpHostname,
port: httpServerPort,
signal: serverController.signal,
});
// Use DexieMQ for this, in memory
const mq = new DexieMQ("mq", indexedDB, IDBKeyRange);
const pageIndexCalls = pageIndexSyscalls(kvStore);
const plugNamespaceHook = new PlugNamespaceHook();
system.addHook(plugNamespaceHook);
system.addHook(new MQHook(system, mq));
const spacePrimitives = new FileMetaSpacePrimitives(
new EventedSpacePrimitives(
new PlugSpacePrimitives(
new DiskSpacePrimitives(spacePath),
plugNamespaceHook,
),
eventHook,
),
pageIndexCalls,
);
const space = new Space(spacePrimitives, kvStore);
// Add syscalls
system.registerSyscalls(
[],
eventSyscalls(eventHook),
spaceSyscalls(space),
assetSyscalls(system),
yamlSyscalls(),
storeSyscalls(kvStore),
systemSyscalls(undefined as any, system),
mqSyscalls(mq),
pageIndexCalls,
debugSyscalls(),
markdownSyscalls(buildMarkdown([])), // Will later be replaced with markdown extensions
);
// Syscalls that require some additional permissions
system.registerSyscalls(
["fetch"],
sandboxFetchSyscalls(),
);
system.registerSyscalls(
["shell"],
shellSyscalls("."),
);
await loadPlugsFromAssetBundle(system, builtinAssetBundle);
for (let plugPath of await space.listPlugs()) {
plugPath = path.resolve(spacePath, plugPath);
await system.load(
new URL(`file://${plugPath}`),
createSandbox,
);
}
// Load markdown syscalls based on all new syntax (if any)
system.registerSyscalls(
[],
markdownSyscalls(buildMarkdown(loadMarkdownExtensions(system))),
);
if (indexFirst) {
await system.loadedPlugs.get("core")!.invoke("reindexSpace", []);
}
if (functionName) {
const [plugName, funcName] = functionName.split(".");
const plug = system.loadedPlugs.get(plugName);
if (!plug) {
throw new Error(`Plug ${plugName} not found`);
}
const result = await plug.invoke(funcName, args);
await system.unloadAll();
await kvStore.delete();
serverController.abort();
return result;
} else {
console.log("Running in server mode, use Ctrl-c to stop");
while (true) {
await sleep(1000);
}
}
}
async function loadPlugsFromAssetBundle(
system: System<any>,
assetBundle: AssetBundle,
) {
const tempDir = await Deno.makeTempDir();
try {
for (const filePath of assetBundle.listFiles()) {
if (
filePath.endsWith(".plug.js") // && !filePath.includes("search.plug.js")
) {
const plugPath = path.join(tempDir, filePath);
await Deno.mkdir(path.dirname(plugPath), { recursive: true });
await Deno.writeFile(plugPath, assetBundle.readFileSync(filePath));
await system.load(
new URL(`file://${plugPath}`),
createSandbox,
);
}
}
} finally {
await Deno.remove(tempDir, { recursive: true });
}
}