From 72f924d31303ec4587c39e16a95f1366c4e907cb Mon Sep 17 00:00:00 2001 From: Jane Petrovna Date: Sat, 5 Jun 2021 20:46:57 -0400 Subject: [PATCH] file serving --- index.js | 119 +++++++++++ package.json | 18 ++ pnpm-lock.yaml | 394 +++++++++++++++++++++++++++++++++++ projects/updater/install.lua | 40 ++++ projects/updater/update.lua | 1 + 5 files changed, 572 insertions(+) create mode 100644 index.js create mode 100644 package.json create mode 100644 pnpm-lock.yaml create mode 100644 projects/updater/install.lua create mode 100644 projects/updater/update.lua diff --git a/index.js b/index.js new file mode 100644 index 0000000..d6bff9b --- /dev/null +++ b/index.js @@ -0,0 +1,119 @@ +const express = require('express'); +const fs = require('fs'); +const path = require('path'); +const crypto = require('crypto'); + + +const port = 443; + +var app = express(); + +const cache = { + +}; + +app.use("/files", express.static("projects")); + +function get_indexes(project_id) { + if (cache[project_id]) { + let indexes = ""; + for (let path in cache[project_id]) { + indexes += `${path} ${cache[project_id][path]}\n`; + } + return indexes.trim(); + } + else if (fs.existsSync(path.join(__dirname, "projects", project_id))) { + let files = fs.readdirSync(path.join(__dirname, "projects", project_id)); + let indexes = ""; + cache[project_id] = {}; + for (let file of files) { + let fileContents = fs.readFileSync(path.join(__dirname, "projects", project_id, file)); + let hash = crypto.createHash("md5"); + hash.update(fileContents); + cache[project_id][file] = hash.digest('hex'); + indexes += `${file} ${cache[project_id][file]}\n`; + } + return indexes.trim(); + } + else { + return undefined; + } +} + +app.get("/indexes/:project(\\w+)", (req, res) => { + let project_id = req.params['project']; + + let indexes = get_indexes(project_id); + + if (indexes != undefined) { + res.send(indexes); + } + else { + res.sendStatus(404); + } +}); + +app.use("/updates", express.text()); + +function diff(current, checked) { + let lines_current = current.split('\n').map(l => l.trim()); + let lines_checked = checked.split('\n').map(l => l.trim()); + let filenames_checked = lines_checked.map(l => l.split(" ")[0]); + + console.log(lines_current, lines_checked); + let result = ""; + + for (let line of lines_current) { + if (line.length != 0) { + let split = line.split(" "); + console.log(`split: ${split}`); + let index = filenames_checked.indexOf(split[0]); + console.log(`index: ${index}`); + if (index == -1) { + result += `${split[0]} download\n`; + continue; + } + let filename = filenames_checked[index]; + let hash = lines_checked[index].split(" ")[1].trim(); + console.log(`expected: ${split[0]} hash ${split[1]} found: ${filename} hash ${hash}`); + if (split[0] != filename || split[1] != hash) { + result += `${split[0]} download\n`; + } + console.log(`popping line ${index}, current: ${lines_checked}`); + lines_checked.splice(index, 1); + console.log(`result: ${lines_checked}`); + } + } + + // now take care of the rest. + if (Array.isArray(lines_checked)) { + for (let line of lines_checked) { + console.log(`delete line ${line}`); + result += `${line.split(" ")[0]} delete\n`; + } + } + else { + // only 1 file left! + result += `${lines_checked.split(" ")[0]} delete\n`; + } + + return result; +} + +app.post("/updates/:project(\\w+)", (req, res) => { + let project_id = req.params['project']; + const body = req.body.replace(/\r/, ""); + let indexes = get_indexes(project_id); + let difference = diff(indexes, body); + + if (difference.length > 0) { + res.send(difference); + } + else { + res.sendStatus(204); + } +}); + +app.listen(port, () => { + console.log(`listening on ${port}`); +}); \ No newline at end of file diff --git a/package.json b/package.json new file mode 100644 index 0000000..2a5ba1e --- /dev/null +++ b/package.json @@ -0,0 +1,18 @@ +{ + "name": "lua-serve", + "version": "1.0.0", + "description": "", + "main": "index.js", + "scripts": { + "start": "node index.js" + }, + "repository": { + "type": "git", + "url": "git@ssh.gitdab.com:jane/lua-serve" + }, + "author": "jane ", + "license": "SEE LICENSE IN LICENSE", + "dependencies": { + "express": "^4.17.1" + } +} \ No newline at end of file diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml new file mode 100644 index 0000000..0cb2dc1 --- /dev/null +++ b/pnpm-lock.yaml @@ -0,0 +1,394 @@ +dependencies: + express: 4.17.1 +lockfileVersion: 5.2 +packages: + /accepts/1.3.7: + dependencies: + mime-types: 2.1.31 + negotiator: 0.6.2 + dev: false + engines: + node: '>= 0.6' + resolution: + integrity: sha512-Il80Qs2WjYlJIBNzNkK6KYqlVMTbZLXgHx2oT0pU/fjRHyEp+PEfEPY0R3WCwAGVOtauxh1hOxNgIf5bv7dQpA== + /array-flatten/1.1.1: + dev: false + resolution: + integrity: sha1-ml9pkFGx5wczKPKgCJaLZOopVdI= + /body-parser/1.19.0: + dependencies: + bytes: 3.1.0 + content-type: 1.0.4 + debug: 2.6.9 + depd: 1.1.2 + http-errors: 1.7.2 + iconv-lite: 0.4.24 + on-finished: 2.3.0 + qs: 6.7.0 + 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arrayAppend(array, value) + array[#array + 1] = value +end + +function finishInstall(files) + for key, file in ipairs(files) do + if customPath ~= nil then + fs.move(temp .. file, customPath .. "/" .. file) + else + fs.move(temp .. binary, path .. binary) + end + end + + if customPath ~= nil then + program = "shell.run(" .. customPath .. "/run.lua)" + file = fs.open(path .. programToInstall .. "/run.lua") + file.write(program) + file.close() + end + + fs.delete(temp) +end diff --git a/projects/updater/update.lua b/projects/updater/update.lua new file mode 100644 index 0000000..bfe699d --- /dev/null +++ b/projects/updater/update.lua @@ -0,0 +1 @@ +print('fuck') \ No newline at end of file