commit 7322c4781d4930e55382015472f4ed0c2c927d79 Author: florian <> Date: Sun Mar 17 13:24:12 2024 +0100 feat: Initial version of blossom based web server diff --git a/.dockerignore b/.dockerignore new file mode 100644 index 0000000..d754dc0 --- /dev/null +++ b/.dockerignore @@ -0,0 +1,4 @@ +.env +node_modules +.github +build diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..ad22606 --- /dev/null +++ b/.gitignore @@ -0,0 +1,177 @@ +# Based on https://raw.githubusercontent.com/github/gitignore/main/Node.gitignore + +# Logs + +logs +_.log +npm-debug.log_ +yarn-debug.log* +yarn-error.log* +lerna-debug.log* +.pnpm-debug.log* + +# Caches + +.cache + +# Diagnostic reports (https://nodejs.org/api/report.html) + +report.[0-9]_.[0-9]_.[0-9]_.[0-9]_.json + +# Runtime data + +pids +_.pid +_.seed +*.pid.lock + +# Directory for instrumented libs generated by jscoverage/JSCover + +lib-cov + +# Coverage directory used by tools like istanbul + +coverage +*.lcov + +# nyc test coverage + +.nyc_output + +# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files) + +.grunt + +# Bower dependency directory (https://bower.io/) + +bower_components + +# node-waf configuration + +.lock-wscript + +# Compiled binary addons (https://nodejs.org/api/addons.html) + +build/Release + +# Dependency directories + +node_modules/ +jspm_packages/ + +# Snowpack dependency directory (https://snowpack.dev/) + +web_modules/ + +# TypeScript cache + +*.tsbuildinfo + +# Optional npm cache directory + +.npm + +# Optional eslint cache + +.eslintcache + +# Optional stylelint cache + +.stylelintcache + +# Microbundle cache + +.rpt2_cache/ +.rts2_cache_cjs/ +.rts2_cache_es/ +.rts2_cache_umd/ + +# Optional REPL history + +.node_repl_history + +# Output of 'npm pack' + +*.tgz + +# Yarn Integrity file + +.yarn-integrity + +# dotenv environment variable files + +.env +.env.development.local +.env.test.local +.env.production.local +.env.local + +# parcel-bundler cache (https://parceljs.org/) + +.parcel-cache + +# Next.js build output + +.next +out + +# Nuxt.js build / generate output + +.nuxt +dist + +# Gatsby files + +# Comment in the public line in if your project uses Gatsby and not Next.js + +# https://nextjs.org/blog/next-9-1#public-directory-support + +# public + +# vuepress build output + +.vuepress/dist + +# vuepress v2.x temp and cache directory + +.temp + +# Docusaurus cache and generated files + +.docusaurus + +# Serverless directories + +.serverless/ + +# FuseBox cache + +.fusebox/ + +# DynamoDB Local files + +.dynamodb/ + +# TernJS port file + +.tern-port + +# Stores VSCode versions used for testing VSCode extensions + +.vscode-test + +# yarn v2 + +.yarn/cache +.yarn/unplugged +.yarn/build-state.yml +.yarn/install-state.gz +.pnp.* + +# IntelliJ based IDEs +.idea + +# Finder (MacOS) folder config +.DS_Store + +build \ No newline at end of file diff --git a/.prettierrc b/.prettierrc new file mode 100644 index 0000000..bc84c45 --- /dev/null +++ b/.prettierrc @@ -0,0 +1,5 @@ +{ + "printWidth": 120, + "useTabs": false, + "tabWidth": 2 +} diff --git a/Dockerfile b/Dockerfile new file mode 100644 index 0000000..b5b1b24 --- /dev/null +++ b/Dockerfile @@ -0,0 +1,27 @@ +# syntax=docker/dockerfile:1 +FROM node:20.11 as builder + +WORKDIR /app + +# Install dependencies +COPY ./package*.json . +ENV NODE_ENV=development +RUN npm install +COPY . . +RUN npm run build + +FROM node:20.11 + +WORKDIR /app + +ENV NODE_ENV=production +COPY ./package*.json . +RUN npm install + +COPY --from=builder ./app/build ./build + +EXPOSE 3010 + +ENV DEBUG="web*,koa*,ndk*" + +ENTRYPOINT [ "node", "build/index.js" ] diff --git a/README.md b/README.md new file mode 100644 index 0000000..94a5aa5 --- /dev/null +++ b/README.md @@ -0,0 +1,5 @@ +# 🌸 blossom-drive-webserver + +Serves a blossom-drive as a web page. +URL: https://sevrername.com/naddr1qvzqq....getnws2yc6ec/ + diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 0000000..51c698d --- /dev/null +++ b/package-lock.json @@ -0,0 +1,2437 @@ +{ + "name": "blossom-drive-webserver", + "lockfileVersion": 2, + "requires": true, + "packages": { + "": { + "name": "blossom-drive-webserver", + "license": "MIT", + "dependencies": { + "@koa/cors": "^5.0.0", + "@koa/router": "^12.0.1", + "@nostr-dev-kit/ndk": "^2.5.0", + "debug": "^4.3.4", + "events": "^3.3.0", + "follow-redirects": "^1.15.6", + "http-error": "^0.0.6", + "koa": "^2.15.1", + "lodash": "^4.17.21", + "node-cache": "^5.1.2", + "nostr-tools": "^2.3.1", + "websocket-polyfill": "^0.0.3", + "ws": "^8.16.0" + }, + "bin": { + "blossom-drive-webserver": "build/index.js" + }, + "devDependencies": { + "@types/bun": "latest", + "@types/debug": "^4.1.12", + "@types/follow-redirects": "^1.14.4", + "@types/http-errors": "^2.0.4", + "@types/koa": "^2.15.0", + "@types/koa__cors": "^5.0.0", + "@types/koa__router": "^12.0.4", + "@types/lodash": "^4.17.0", + "@types/node": "^20.11.28", + "prettier": "^3.2.5", + 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blossom drive", + "main": "index.js", + "author": "florian", + "license": "MIT", + "bin": "build/index.js", + "type": "module", + "devDependencies": { + "@types/bun": "latest", + "@types/debug": "^4.1.12", + "@types/follow-redirects": "^1.14.4", + "@types/http-errors": "^2.0.4", + "@types/koa": "^2.15.0", + "@types/koa__cors": "^5.0.0", + "@types/koa__router": "^12.0.4", + "@types/lodash": "^4.17.0", + "@types/node": "^20.11.28", + "prettier": "^3.2.5", + "tsc-watch": "^6.0.4", + "typescript": "^5.4.2" + }, + "peerDependencies": { + "typescript": "^5.0.0" + }, + "dependencies": { + "@koa/cors": "^5.0.0", + "@koa/router": "^12.0.1", + "@nostr-dev-kit/ndk": "^2.5.0", + "debug": "^4.3.4", + "events": "^3.3.0", + "follow-redirects": "^1.15.6", + "http-error": "^0.0.6", + "koa": "^2.15.1", + "lodash": "^4.17.21", + "node-cache": "^5.1.2", + "nostr-tools": "^2.3.1", + "websocket-polyfill": "^0.0.3", + "ws": "^8.16.0" + }, + "scripts": { + "start": "node build/index.js", + "build": "tsc", + "dev": "export DEBUG=web*,ndk*,koa*;tsc-watch --onSuccess \"node ./build/index.js\"", + "format": "prettier -w ." + }, + "files": [ + "build" + ] +} diff --git a/src/cdn.ts b/src/cdn.ts new file mode 100644 index 0000000..9cdcb91 --- /dev/null +++ b/src/cdn.ts @@ -0,0 +1,43 @@ +import debug from "debug"; +import type { IncomingMessage } from "http"; +import followRedirects from "follow-redirects"; +import uniq from "lodash/uniq.js"; + +const log = debug("web:discover:upstream"); + +export async function searchCdn(servers: string[], hash: string) { + const uniqueSevers = uniq(servers); + log("Looking for", hash); + for (const server of uniqueSevers) { + try { + log("Checking CDN server", server); + return await checkCDN(server, hash); + } catch (e) { + log("Ingoring error", e); + } // Ignore errors during lookup + } + log("No CDN with the content found."); +} + +async function checkCDN(cdn: string, hash: string): Promise { + return new Promise((resolve, reject) => { + const url = new URL(hash, cdn); + const backend = url.protocol === "https:" ? followRedirects.https : followRedirects.http; + + var req = backend + .get(url.toString(), (res) => { + if (!res.statusCode) return reject(); + if (res.statusCode < 200 || res.statusCode >= 400) { + res.destroy(); + reject(new Error(res.statusMessage)); + } else { + resolve(res); + log("Found", hash, "at", cdn); + } + }) + .on("error", function (error) { + log("Ignoring error", error); + }) + .end(); + }); +} diff --git a/src/drive.ts b/src/drive.ts new file mode 100644 index 0000000..24df736 --- /dev/null +++ b/src/drive.ts @@ -0,0 +1,62 @@ +import NDK from "@nostr-dev-kit/ndk"; +import debug from "debug"; +import NodeCache from "node-cache"; +import { Drive } from "./types.js"; + +const driveCache = new NodeCache({ stdTTL: 30 }); // 30s for development + +const log = debug("web:drive:nostr"); + +const ndk = new NDK({ + explicitRelayUrls: [ + "wss://nostrue.com", + "wss://relay.damus.io", + //"wss://nostr.wine", + "wss://nos.lol", + // "wss://nostr-pub.wellorder.net", + ], +}); + +ndk.connect(); + +export const readDrive = async (kind: number, pubkey: string, driveIdentifier: string): Promise => { + const driveKey = `${kind}-${pubkey}-${driveIdentifier}`; + if (driveCache.has(driveKey)) { + log("using cached drive data for " + driveKey); + return driveCache.get(driveKey); + } + + log("Fetching drive event."); + + const filter = { + kinds: [kind], + authors: [pubkey], + "#d": [driveIdentifier], // name.toLowerCase().replaceAll(/\s/g, "-") || nanoid(8); + }; + log(filter); + const event = await ndk.fetchEvent(filter); + log("fetch finsihed"); + + if (event) { + const treeTags = event.tags.filter((t) => t[0] === "x" || t[0] === "folder"); + const files = treeTags.map((t) => ({ + hash: t[1], + path: t[2], + size: parseInt(t[3], 10) || 0, + mimeType: t[4], + })); + + // log(files); + + const servers = event.tags.filter((t) => t[0] === "r" && t[1]).map((t) => new URL("/", t[1]).toString()) || []; + + // log(servers); + + const drive = { files, servers }; + driveCache.set(driveKey, drive); + + return drive; + } else { + log("no drive event found."); + } +}; diff --git a/src/index.ts b/src/index.ts new file mode 100644 index 0000000..b37a4d3 --- /dev/null +++ b/src/index.ts @@ -0,0 +1,134 @@ +import "websocket-polyfill"; +import Koa, { HttpError } from "koa"; +import debug from "debug"; +import Router from "@koa/router"; +import { nip19 } from "nostr-tools"; +import { AddressPointer } from "nostr-tools/nip19"; +import { Drive, FileMeta } from "./types.js"; +import { readDrive } from "./drive.js"; +import { searchCdn } from "./cdn.js"; + +const log = debug("web"); +const app = new Koa(); +const router = new Router(); + +// const cacheAdapter = new NDKCacheAdapterDexie({ dbName: "ndk-cache" }); +const additionalServers = ["https://cdn.hzrd149.com", "https://cdn.satellite.earth"]; + +const findFile = (drive: Drive, filePathToSearch: string): FileMeta | undefined => { + return drive.files.find((f) => f.path == "/" + filePathToSearch); +}; + +const findFolderContents = (drive: Drive, filePathToSearch: string): FileMeta[] => { + // TODO filter name + return drive.files.filter((f) => f.path.startsWith("/" + filePathToSearch)); +}; + +// handle errors +app.use(async (ctx, next) => { + try { + await next(); + } catch (err) { + if (err instanceof HttpError) { + const status = (ctx.status = err.status || 500); + if (status >= 500) console.error(err.stack); + ctx.body = status > 500 ? { message: "Something went wrong" } : { message: err.message }; + } else { + console.log(err); + ctx.status = 500; + ctx.body = { message: "Something went wrong" }; + } + } +}); + +router.get("(.*)", async (ctx, next) => { + log(`serving: host:${ctx.hostname} path:${ctx.path}`); + + if (ctx.path == "/favicon.ico") { + return next(); + } + + // naddr1qvzqqqrhvvpzpd7x76g4e756vtlldg0syczdazxz83kxcmgm3a3v0nqswj0nql5pqqzhgetnwseqmkcq93 + // test2 + // 1708411351353.jpeg + // http://localhost:3010/naddr1qvzqqqrhvvpzpd7x76g4e756vtlldg0syczdazxz83kxcmgm3a3v0nqswj0nql5pqqzhgetnwseqmkcq93/test2/1708411351353.jpeg + + const [naddr, ...path] = ctx.path.replace(/^\//, "").split("/"); + if (!naddr || !naddr.startsWith("naddr")) { + ctx.status = 400; + ctx.message = "A naddr needs to be specific in the url."; + return; + } + + let searchPath = decodeURI(path.join("/")); + log(`naddr: ${naddr} path: ${searchPath}`); + + /* TODO try lookup of index.html and fallback to list, if not found + if (searchPath.endsWith("/")) { + searchPath = searchPath + "index.html"; + } + if (searchPath == "") { + searchPath = searchPath + "/index.html"; + }*/ + + // decode naddr + const { pubkey, kind, identifier } = nip19.decode(naddr).data as AddressPointer; + + // fetch drive descriptor -> ndk + const drive = await readDrive(kind, pubkey, identifier); + log(`drive: ${drive}`); + + if (drive) { + // lookup file in file-list + const fileMeta = findFile(drive, searchPath); + // log(`fileMeta: ${fileMeta}`); + + if (fileMeta) { + const { hash, mimeType } = fileMeta; + + // lookup media sevrers for user -> ndk (optional) + const cdnSource = await searchCdn([...drive.servers, ...additionalServers], hash); + + //log(cdnSource); + + if (cdnSource) { + ctx.set({ + "Content-Type": mimeType, + "Cache-Control": "no-cache", + Connection: "keep-alive", + }); + ctx.body = cdnSource; + } else { + log("no CDN server found for blob: " + hash); + } + } else { + const folder = findFolderContents(drive, searchPath); + log("file not found in drive: " + searchPath); + ctx.status = 404; + ctx.set("Content-Type", "text/html"); + const folderList = folder.map((f) => `
  • ${f.path}
    • `); + ctx.body = `

    Index of ${searchPath || "/"}

    `; + } + } + + // fetch file from mediaserver and return to the caller +}); + +app.use(router.routes()).use(router.allowedMethods()); + +const port = process.env.PORT || 3010; +log("Starting blossom-drive-webserver on port " + port); +app.listen(port); + +async function shutdown() { + log("Shutting down blossom-drive-webserver..."); + process.exit(0); +} + +// add this handler before emitting any events +process.on("uncaughtException", function (err) { + console.error("UNCAUGHT EXCEPTION - keeping process alive:", err); +}); + +process.addListener("SIGTERM", shutdown); +process.addListener("SIGINT", shutdown); diff --git a/src/types.ts b/src/types.ts new file mode 100644 index 0000000..5ac9ca6 --- /dev/null +++ b/src/types.ts @@ -0,0 +1,12 @@ + +export type FileMeta = { + hash: string; + path: string; + size: number; + mimeType: string; + }; + + export type Drive = { + servers: string[]; + files: FileMeta[]; + }; \ No newline at end of file diff --git a/tsconfig.json b/tsconfig.json new file mode 100644 index 0000000..e8b7ce2 --- /dev/null +++ b/tsconfig.json @@ -0,0 +1,12 @@ +{ + "compilerOptions": { + "module": "NodeNext", + "target": "es2020", + "outDir": "build", + "skipLibCheck": true, + "strict": true, + "moduleResolution": "nodenext", + "allowSyntheticDefaultImports": true + }, + "include": ["src"] +}