api refactoring

api/.eslintrc.json

@@ -1,40 +0,0 @@
-{
-    "env": {
-        "commonjs": true,
-        "es2021": true,
-        "node": true
-    },
-    "plugins": [
-        "snakecasejs"
-    ],
-    "extends": "eslint:recommended",
-    "parser": "babel-eslint",
-    "parserOptions": {
-        "ecmaVersion": 12
-    },
-    "settings":
-    {
-        "snakecasejs/filter": ["ClassDeclaration", "NewExpression"],
-        "snakecasejs/whitelist": []
-    },
-    "rules": {
-        "indent": [
-            "error",
-            4
-        ],
-        "linebreak-style": [
-            "error",
-            "unix"
-        ],
-        "quotes": [
-            "error",
-            "single"
-        ],
-        "semi": [
-            "error",
-            "always"
-        ],
-        "no-unused-vars": ["error", { "argsIgnorePattern": "^_"}],
-        "snakecasejs/snakecasejs": "warn"
-    }
-}

api/Dockerfile

@@ -1,7 +1,8 @@
 FROM node:15.8.0-buster-slim
 RUN dpkg-reconfigure -p critical dash
-RUN apt-get update && apt-get install -y libxml2 gnupg tar coreutils util-linux \
+RUN apt-get update && \
-  && rm -rf /var/lib/apt/lists/*
+    apt-get install -y libxml2 gnupg tar coreutils util-linux && \
+    rm -rf /var/lib/apt/lists/*
 
 RUN for i in $(seq 1001 1500); do \
         groupadd -g $i runner$i && \

api/package.json

@@ -16,10 +16,5 @@
         "uuid": "^8.3.2",
         "yargs": "^16.2.0"
     },
-  "devDependencies": {
-    "babel-eslint": "^10.1.0",
-    "eslint": "^7.20.0",
-    "eslint-plugin-snakecasejs": "^2.2.0"
-  },
     "license": "MIT"
 }

api/src/config.js

@@ -1,6 +1,6 @@
 const fss = require('fs');
 const yargs = require('yargs');
-const hide_bin = require('yargs/helpers').hideBin; //eslint-disable-line snakecasejs/snakecasejs
+const hide_bin = require('yargs/helpers').hideBin;
 const Logger = require('logplease');
 const logger = Logger.create('config');
 const yaml = require('js-yaml');
@@ -19,7 +19,7 @@ const header = `#
 `;
 const argv = yargs(hide_bin(process.argv))
     .usage('Usage: $0 -c [config]')
-    .demandOption('c') //eslint-disable-line snakecasejs/snakecasejs
+    .demandOption('c')
     .option('config', {
         alias: 'c',
         describe: 'config file to load from',
@@ -29,18 +29,18 @@ const argv = yargs(hide_bin(process.argv))
         alias: 'm',
         type: 'boolean',
         describe: 'create config file and populate defaults if it does not already exist'
-    }).argv;
+    })
-
+    .argv;
 
 const options = [
     {
         key: 'log_level',
         desc: 'Level of data to log',
         default: 'INFO',
-        /* eslint-disable snakecasejs/snakecasejs */
         options: Object.values(Logger.LogLevels),
-        validators: [x=>Object.values(Logger.LogLevels).includes(x) || `Log level ${x} does not exist`]
+        validators: [
-        /* eslint-enable snakecasejs/snakecasejs */
+            x => Object.values(Logger.LogLevels).includes(x) || `Log level ${x} does not exist`
+        ]
     },
     {
         key: 'bind_address',
@@ -110,14 +110,15 @@ const options = [
     }
 ];
 
-function make_default_config(){
+const make_default_config = () => {
     let content = header.split('\n');
 
     options.forEach(option => {
         content = content.concat(option.desc.split('\n').map(x=>`# ${x}`));
 
-        if(option.options)
+        if (option.options) {
             content.push('# Options: ' + option.options.join(', '));
+        }
 
         content.push(`${option.key}: ${option.default}`);
 
@@ -125,24 +126,25 @@ function make_default_config(){
     });
 
     return content.join('\n');
-}
+};
 
 logger.info(`Loading Configuration from ${argv.config}`);
 
-if(argv['make-config'])
+if (argv['make-config']) {
     logger.debug('Make configuration flag is set');
+}
 
 if (!!argv['make-config'] && !fss.exists_sync(argv.config)) {
     logger.info('Writing default configuration...');
     try {
         fss.write_file_sync(argv.config, make_default_config());
-    } catch (err) {
+    } catch (e) {
-        logger.error('Error writing default configuration:', err.message);
+        logger.error('Error writing default configuration:', e.message);
         process.exit(1);
     }
 }
 
-var config = {};
+let config = {};
 
 logger.debug('Reading config file');
 
@@ -156,22 +158,23 @@ try{
 
 logger.debug('Validating config entries');
 
-var errored=false;
+let errored = false;
 
-options.forEach(option => {
+options.for_each(option => {
     logger.debug('Checking option', option.key);
 
-    var cfg_val = config[option.key];
+    let cfg_val = config[option.key];
 
-    if(cfg_val == undefined){
+    if (cfg_val === undefined) {
         errored = true;
         logger.error(`Config key ${option.key} does not exist on currently loaded configuration`);
         return;
     }
 
-    option.validators.forEach(validator => {
+    option.validators.for_each(validator => {
-        var response = validator(cfg_val);
+        let response = validator(cfg_val);
-        if(response !== true){
+
+        if (!response) {
             errored = true;
             logger.error(`Config option ${option.key} failed validation:`, response);
             return;
@@ -179,9 +182,10 @@ options.forEach(option => {
     });
 });
 
-if(errored) process.exit(1);
+if (errored) {
+    process.exit(1);
+}
 
 logger.info('Configuration successfully loaded');
 
 module.exports = config;
-

api/src/executor/job.js

@@ -1,5 +1,5 @@
 const logger = require('logplease').create('executor/job');
-const { v4: uuidv4 } = require('uuid');
+const uuidv4 = require('uuid/v4');
 const cp = require('child_process');
 const path = require('path');
 const config = require('../config');
@@ -12,10 +12,11 @@ const job_states = {
     EXECUTED: Symbol('Executed and ready for cleanup')
 };
 
-var uid=0;
+let uid = 0;
-var gid=0;
+let gid = 0;
 
 class Job {
+
     constructor({ runtime, files, args, stdin, timeouts, main }) {
         this.uuid =  uuidv4();
         this.runtime = runtime;
@@ -25,8 +26,11 @@ class Job {
         this.timeouts = timeouts;
         this.main = main;
 
-        if(!this.files.map(f=>f.name).includes(this.main))
+        let file_list = this.files.map(f => f.name);
+
+        if (!file_list.includes(this.main)) {
             throw new Error(`Main file "${this.main}" will not be written to disk`);
+        }
 
         this.uid = config.runner_uid_min + uid;
         this.gid = config.runner_gid_min + gid;
@@ -46,29 +50,25 @@ class Job {
 
         logger.debug('Writing files to job cache');
 
-        await fs.mkdir(this.dir, {mode:0o700});
-
-        const files = this.files.map(({name: file_name, content}) => {
-            return fs.write_file(path.join(this.dir, file_name), content);
-        });
-
-        await Promise.all(files);
-
         logger.debug(`Transfering ownership uid=${this.uid} gid=${this.gid}`);
+
+        await fs.mkdir(this.dir, { mode:0o700 });
         await fs.chown(this.dir, this.uid, this.gid);
 
-        const chowns = this.files.map(({name:file_name}) => {
+        for (const file of this.files) {
-            return fs.chown(path.join(this.dir, file_name), this.uid, this.gid);
+            let file_path = path.join(this.dir, file.name);
-        });
 
-        await Promise.all(chowns);
+            await fs.write_file(file_path, file.content);
+            await fs.chown(file_path, this.uid, this.gid);
+        }
 
         this.state = job_states.PRIMED;
+
         logger.debug('Primed job');
     }
 
     async safe_call(file, args, timeout) {
-        return await new Promise((resolve, reject) => {
+        return new Promise((resolve, reject) => {
             const unshare = config.enable_unshare ? ['unshare','-n','-r'] : [];
 
             const prlimit = [
@@ -98,22 +98,36 @@ class Job {
             proc.stdin.write(this.stdin);
             proc.stdin.end();
 
+            const kill_timeout = set_timeout(_ => proc.kill('SIGKILL'), timeout);
 
-            const kill_timeout = setTimeout(_ => proc.kill('SIGKILL'), timeout);
+            proc.stderr.on('data', data => {
+                if (stderr.length > config.output_max_size) {
+                    proc.kill('SIGKILL');
+                } else {
+                    stderr += data;
+                }
+            );
 
-            proc.stderr.on('data', d=>{if(stderr.length>config.output_max_size) proc.kill('SIGKILL'); else stderr += d;});
+            proc.stdout.on('data', data => {
-            proc.stdout.on('data', d=>{if(stdout.length>config.output_max_size) proc.kill('SIGKILL'); else stdout += d;});
+                if (stdout.length > config.output_max_size) {
+                    proc.kill('SIGKILL');
+                } else {
+                    stdout += data;
+                }
+            );
+
+            const exit_cleanup = () => {
+                clear_timeout(kill_timeout);
 
-            function exit_cleanup(){
-                clearTimeout(kill_timeout);
                 proc.stderr.destroy();
                 proc.stdout.destroy();
+
                 try {
                     process.kill(-proc.pid, 'SIGKILL');
                 } catch {
                     // Process will be dead already, so nothing to kill.
                 }
-            }
+            };
 
             proc.on('exit', (code, signal)=>{
                 exit_cleanup();
@@ -130,27 +144,31 @@ class Job {
     }
 
     async execute() {
-        if(this.state != job_states.PRIMED)
+        if (this.state !== job_states.PRIMED) {
             throw new Error('Job must be in primed state, current state: ' + this.state.toString());
+        }
 
         logger.info(`Executing job uuid=${this.uuid} uid=${this.uid} gid=${this.gid} runtime=${this.runtime.toString()}`);
 
         logger.debug('Compiling');
 
-        var compile = undefined;
+        let compile;
-        if(this.runtime.compiled)
+
+        if (this.runtime.compiled) {
             compile = await this.safe_call(
                 path.join(this.runtime.pkgdir, 'compile'),
                 this.files.map(x => x.name),
-                this.timeouts.compile);
+                this.timeouts.compile
-    
+            );
+        }
 
         logger.debug('Running');
 
         const run = await this.safe_call(
             path.join(this.runtime.pkgdir, 'run'),
             [this.main, ...this.args],
-            this.timeouts.run);
+            this.timeouts.run
+        );
 
         this.state = job_states.EXECUTED;
 
@@ -158,13 +176,15 @@ class Job {
             compile,
             run
         };
-
     }
 
     async cleanup() {
         logger.info(`Cleaning up job uuid=${this.uuid}`);
         await fs.rm(this.dir, { recursive: true, force: true });
     }
+
 }
 
-module.exports = {Job};
+module.exports = {
+    Job
+};

api/src/executor/routes.js

@@ -6,38 +6,45 @@ const { Job } = require('./job');
 const { body } = require('express-validator');
 
 module.exports = {
+
     run_job_validators: [
         body('language')
-            .isString(), // eslint-disable-line snakecasejs/snakecasejs
+            .isString(),
         body('version')
-            .isString(), // eslint-disable-line snakecasejs/snakecasejs
+            .isString(),
         // isSemVer requires it to be a version, not a selector
         body('files')
-            .isArray(), // eslint-disable-line snakecasejs/snakecasejs
+            .isArray(),
         body('files.*.name')
-            .isString() // eslint-disable-line snakecasejs/snakecasejs
+            .isString()
             .bail()
             .not()
             .contains('/'),
         body('files.*.content')
-            .isString(), // eslint-disable-line snakecasejs/snakecasejs
+            .isString(),
         body('compile_timeout')
-            .isNumeric(), // eslint-disable-line snakecasejs/snakecasejs
+            .isNumeric(),
         body('run_timeout')
-            .isNumeric(), // eslint-disable-line snakecasejs/snakecasejs
+            .isNumeric(),
         body('stdin')
-            .isString(), // eslint-disable-line snakecasejs/snakecasejs
+            .isString(),
         body('args')
             .isArray(),
         body('args.*')
-            .isString() // eslint-disable-line snakecasejs/snakecasejs
+            .isString()
     ],
-    async run_job(req, res){
+
     // POST /jobs
-
+    async run_job(req, res) {
-
         const runtime = get_latest_runtime_matching_language_version(req.body.language, req.body.version);
-        if(runtime == undefined) return res.json_error(`${req.body.language}-${req.body.version} runtime is unknown`, 400);
+
+        if (runtime === undefined) {
+            return res
+                .status(400)
+                .send({
+                    message: `${req.body.language}-${req.body.version} runtime is unknown`
+                });
+        }
 
         const job = new Job({
             runtime,
@@ -54,8 +61,12 @@ module.exports = {
         await job.prime();
 
         const result = await job.execute();
-        res.json_success(result);
 
         await job.cleanup();
+
+        return res
+            .status(200)
+            .send(result);
     }
+
 };

api/src/index.js

@@ -9,111 +9,98 @@ const fs = require('fs/promises');
 const fss = require('fs');
 const body_parser = require('body-parser');
 const runtime = require('./runtime');
-const {validationResult} = require('express-validator'); //eslint-disable-line snakecasejs/snakecasejs
+const { validationResult } = require('express-validator');
 
 const logger = Logger.create('index');
 const app = express();
 
 (async () => {
     logger.info('Setting loglevel to',config.log_level);
-    Logger.setLogLevel(config.log_level); //eslint-disable-line snakecasejs/snakecasejs
+    Logger.setLogLevel(config.log_level);
-
     logger.debug('Ensuring data directories exist');
-    Object.values(globals.data_directories).forEach(dir => {
+
-        var data_path = path.join(config.data_directory, dir);
+    Object.values(globals.data_directories).for_each(dir => {
+        let data_path = path.join(config.data_directory, dir);
+
         logger.debug(`Ensuring ${data_path} exists`);
+
         if (!fss.exists_sync(data_path)) {
             logger.info(`${data_path} does not exist.. Creating..`);
+
             try {
                 fss.mkdir_sync(data_path);
-            }catch(err){
+            } catch(e) {
-                logger.error(`Failed to create ${data_path}: `, err.message);
+                logger.error(`Failed to create ${data_path}: `, e.message);
             }
         }
-        
     });
 
     logger.info('Loading packages');
     const pkgdir = path.join(config.data_directory,globals.data_directories.packages);
 
     const pkglist = await fs.readdir(pkgdir);
+
     const languages = await Promise.all(
         pkglist.map(lang=>
             fs.readdir(path.join(pkgdir,lang))
                 .then(x=>x.map(y=>path.join(pkgdir, lang, y)))
         ));
-    const installed_languages = languages.flat()
+
+    const installed_languages = languages
+        .flat()
         .filter(pkg => fss.exists_sync(path.join(pkg, globals.pkg_installed_file)));
 
     installed_languages.forEach(pkg => new runtime.Runtime(pkg));
 
     logger.info('Starting API Server');
-
     logger.debug('Constructing Express App');
-
-    logger.debug('Registering custom message wrappers');
-
-    express.response.json_error = function(message, code) {
-        this.status(code);
-        return this.json({success: false, message, code});
-    };
-
-    express.response.json_success = function(obj) {
-        return this.json({success: true, data: obj});
-    };
-
     logger.debug('Registering middleware');
 
     app.use(body_parser.urlencoded({ extended: true }));
     app.use(body_parser.json());
 
+    const validate = (req, res, next) => {
+        const errors = validationResult(req);
 
-    function validate(req, res, next) {
+        if (!errors.isEmpty()) {
-        const errors = validationResult(req); //eslint-disable-line snakecasejs/snakecasejs
+            return res
-        if (!errors.isEmpty()) //eslint-disable-line snakecasejs/snakecasejs
+                .status(422)
-            return res.json_error(errors.array(), 422);
+                .send({
-        next();
+                    message: errors.array()
+                });
         }
 
+        next();
+    };
+
     logger.debug('Registering Routes');
 
     const ppman_routes = require('./ppman/routes');
     const executor_routes = require('./executor/routes');
 
-
+    app.get('/packages', ppman_routes.package_list);
-    app.get('/packages',
+    app.post('/packages/:language/:version', ppman_routes.package_install);
-        ppman_routes.package_list
+    app.delete('/packages/:language/:version', ppman_routes.package_uninstall);
-    );
-
-    app.post('/packages/:language/:version',
-        ppman_routes.package_install
-    );
-
-    app.delete('/packages/:language/:version',
-        ppman_routes.package_uninstall
-    );
-    
     app.post('/jobs',
         executor_routes.run_job_validators,
         validate,
-        executor_routes.run_job);
+        executor_routes.run_job
-
+    );
-    function list_runtimes(_, res){
+    app.get('/runtimes', (req, res) => {
-        const runtimes = runtime.map(rt => (
+        const runtimes = runtime
-            {
+            .map(rt => {
+                return {
                     language: rt.language,
                     version: rt.version.raw,
                     author: rt.author,
                     aliases: rt.aliases
-            }
+                };
-        ));
-
-        return res.json_success({
-            runtimes
             });
-    }
 
-    app.get('/runtimes', list_runtimes);
+        return res
+            .status(200)
+            .send(runtimes);
+    });
 
     logger.debug('Calling app.listen');
     const [ address, port ] = config.bind_address.split(':');
@@ -121,5 +108,4 @@ const app = express();
     app.listen(port, address, () => {
         logger.info('API server started on', config.bind_address);
     });
-
 })();

api/src/ppman/package.js

@@ -11,6 +11,7 @@ const crypto = require('crypto');
 const runtime = require('../runtime');
 
 class Package {
+
     constructor({ language, version, download, checksum }){
         this.language = language;
         this.version = semver.parse(version);
@@ -22,19 +23,20 @@ class Package {
         return fss.exists_sync(path.join(this.install_path, globals.pkg_installed_file));
     }
 
-    get download_url(){
-        return this.download;
-    }
-
     get install_path() {
-        return path.join(config.data_directory,
+        return path.join(
+            config.data_directory,
             globals.data_directories.packages,
             this.language,
-            this.version.raw);
+            this.version.raw
+        );
     }
 
     async install() {
-        if(this.installed) throw new Error('Already installed');
+        if (this.installed) {
+            throw new Error('Already installed');
+        }
+
         logger.info(`Installing ${this.language}-${this.version.raw}`);
 
         if (fss.exists_sync(this.install_path)) {
@@ -45,32 +47,37 @@ class Package {
         logger.debug(`Making directory ${this.install_path}`);
         await fs.mkdir(this.install_path, {recursive: true});
 
+        logger.debug(`Downloading package from ${this.download} in to ${this.install_path}`);
+        const pkgpath = path.join(this.install_path, 'pkg.tar.gz');
+        const download = await fetch(this.download);
 
-        logger.debug(`Downloading package from ${this.download_url} in to ${this.install_path}`);
-        const pkgpath = path.join(this.install_path, "pkg.tar.gz");
-        const download = await fetch(this.download_url);
         const file_stream = fss.create_write_stream(pkgpath);
         await new Promise((resolve, reject) => {
-            download.body.pipe(file_stream)
+            download.body.pipe(file_stream);
-            download.body.on("error", reject)
+            download.body.on('error', reject);
-            file_stream.on("finish", resolve)
+
+            file_stream.on('finish', resolve);
         });
 
         logger.debug('Validating checksums');
-        logger.debug(`Assert sha256(pkg.tar.gz) == ${this.checksum}`)
+        logger.debug(`Assert sha256(pkg.tar.gz) == ${this.checksum}`);
         const cs = crypto.create_hash("sha256")
             .update(fss.readFileSync(pkgpath))
             .digest('hex');
-        if(cs != this.checksum) throw new Error(`Checksum miss-match want: ${val} got: ${cs}`);
+
+        if (cs !== this.checksum) {
+            throw new Error(`Checksum miss-match want: ${val} got: ${cs}`);
+        }
 
         logger.debug(`Extracting package files from archive ${pkgpath} in to ${this.install_path}`);
 
         await new Promise((resolve, reject) => {
             const proc = cp.exec(`bash -c 'cd "${this.install_path}" && tar xzf ${pkgpath}'`);
+
             proc.once('exit', (code, _) => {
-                if(code == 0) resolve();
+                code === 0 ? resolve() : reject();
-                else reject(new Error('Failed to extract package'));
             });
+
             proc.stdout.pipe(process.stdout);
             proc.stderr.pipe(process.stderr);
 
@@ -80,27 +87,34 @@ class Package {
         logger.debug('Registering runtime');
         new runtime.Runtime(this.install_path);
 
-        
         logger.debug('Caching environment');
         const get_env_command = `cd ${this.install_path}; source environment; env`;
 
         const envout = await new Promise((resolve, reject) => {
-            var stdout = '';
+            let stdout = '';
-            const proc = cp.spawn('env',['-i','bash','-c',`${get_env_command}`], {
+
-                stdio: ['ignore', 'pipe', 'pipe']});
+            const proc = cp
+                .spawn(
+                    'env',
+                    ['-i','bash','-c',`${get_env_command}`],
+                    {
+                        stdio: ['ignore', 'pipe', 'pipe']
+                    }
+                );
+
             proc.once('exit', (code, _) => {
-                if(code == 0) resolve(stdout);
+                code === 0 ? resolve() : reject();
-                else reject(new Error('Failed to cache environment'));
             });
 
-            proc.stdout.on('data', (data)=>{
+            proc.stdout.on('data', data => {
                 stdout += data;
             });
 
             proc.once('error', reject);
         });
 
-        const filtered_env = envout.split('\n')
+        const filtered_env = envout
+            .split('\n')
             .filter(l => !['PWD','OLDPWD','_', 'SHLVL'].includes(l.split('=',2)[0]))
             .join('\n');
 
@@ -116,7 +130,9 @@ class Package {
             version: this.version.raw
         };
     }
+
 }
 
-
+module.exports = {
-module.exports = {Package};
+    Package
+};

api/src/ppman/routes.js

@@ -4,66 +4,98 @@ const fetch = require('node-fetch');
 const config = require('../config');
 const { Package } = require('./package');
 
-
+const get_package_list = async () => {
-async function get_package_list(){
     const repo_content = await fetch(config.repo_url).then(x => x.text());
 
-    const entries = repo_content.split('\n').filter(x=>x.length > 0);
+    const entries = repo_content
+        .split('\n')
+        .filter(x => x.length > 0);
 
     return entries.map(line => {
         const [ language, version, checksum, download ] = line.split(',', 4);
-        return new Package({language, version, checksum, download});
-    })
-}
 
+        return new Package({
+            language,
+            version,
+            checksum,
+            download
+        });
+    });
+};
 
-async function get_package(lang, version){
+const get_package async (lang, version) => {
     const packages = await get_package_list();
-    const candidates = packages.filter(
+
-        pkg => pkg.language == lang && semver.satisfies(pkg.version, version)
+    const candidates = packages
-    );
+        .filter(pkg => {
-    return candidates.sort((a,b)=>semver.rcompare(a.version,b.version))[0] || null;
+            return pkg.language == lang && semver.satisfies(pkg.version, version)
-}
+        });
+
+    candidates.sort((a, b) => semver.rcompare(a.version, b.version));
+
+    return candidates[0] || null;
+};
 
 module.exports = {
 
-    async package_list(req, res){
     // GET /packages
+    async package_list(req, res) {
         logger.debug('Request to list packages');
 
         const packages = await get_package_list();
 
-        res.json_success({
+        packages = packages
-            packages: packages.map(pkg=>({
+            .map(pkg => {
+                    return {
                         language: pkg.language,
                         language_version: pkg.version.raw,
                         installed: pkg.installed
-            }))
+                    };
                 });
 
+        return res
+            .status(200)
+            .send(packages);
     },
-    async package_install(req,res){
-        // POST /packages/:language/:version
 
+    // POST /packages/:language/:version
+    async package_install(req, res) {
         logger.debug('Request to install package');
 
         const pkg = await get_package(req.params.language, req.params.version);
-        if(pkg == null) return res.json_error(`Requested package ${req.params.language}-${req.params.version} does not exist`, 404);
+
+        if (pkg == null) {
+            return res
+                .status(404)
+                .send({
+                    message: `Requested package ${req.params.language}-${req.params.version} does not exist`
+                });
+        }
 
         try {
             const response = await pkg.install();
-            return res.json_success(response);
+
-        }catch(err){
+            return res
-            logger.error(`Error while installing package ${pkg.language}-${pkg.version}:`, err.message);
+                .status(200)
-            res.json_error(err.message,500);
+                .send(response);
+        } catch(e) {
+            logger.error(`Error while installing package ${pkg.language}-${pkg.version}:`, e.message);
+
+            return res
+                .status(500)
+                .send({
+                    message: e.message
+                });
         }
-        
-
     },
-    async package_uninstall(req,res){
-        // DELETE /packages/:language/:version
 
-        //res.json(req.body); //TODO
+    // DELETE /packages/:language/:version
-        res.json_error('not implemented', 500);
+    async package_uninstall(req, res) {
+        return res
+            .status(500)
+            .send({
+                message: 'Not implemented'
+            });
     }
+
 };

api/src/runtime.js

@@ -8,50 +8,57 @@ const path = require('path');
 const runtimes = [];
 
 class Runtime {
-    #env_vars
+
-    #compiled
     constructor(package_dir){
-        const {language, version, author, build_platform, aliases} = JSON.parse(
+        let info = JSON.parse(
             fss.read_file_sync(path.join(package_dir, 'pkg-info.json'))
         );
 
+        const { language, version, author, build_platform, aliases } = info;
+
         this.pkgdir = package_dir;
         this.language = language;
         this.version = semver.parse(version);
         this.author = author;
         this.aliases = aliases;
 
-        if(build_platform != globals.platform){
+        if (build_platform !== globals.platform) {
-            logger.warn(`Package ${language}-${version} was built for platform ${build_platform}, but our platform is ${globals.platform}`);
+            logger.warn(
+                `Package ${language}-${version} was built for platform ${build_platform}, ` +
+                `but our platform is ${globals.platform}`
+            );
         }
 
         logger.debug(`Package ${language}-${version} was loaded`);
+
         runtimes.push(this);
     }
 
-    get env_file_path(){
+    get compiled() {
-        return path.join(this.pkgdir, 'environment');
+        if (this.compiled === undefined) {
+            this.compiled = fss.exists_sync(path.join(this.pkgdir, 'compile'));
         }
 
-    get compiled(){
+        return this.compiled;
-        if(this.#compiled === undefined) this.#compiled = fss.exists_sync(path.join(this.pkgdir, 'compile'));
-        return this.#compiled;
     }
 
     get env_vars() {
-        if(!this.#env_vars){
+        if (!this.env_vars) {
             const env_file = path.join(this.pkgdir, '.env');
             const env_content = fss.read_file_sync(env_file).toString();
-            this.#env_vars = {};
+
+            this.env_vars = {};
+
             env_content
                 .trim()
                 .split('\n')
                 .map(line => line.split('=',2))
                 .forEach(([key,val]) => {
-                    this.#env_vars[key.trim()] = val.trim();
+                    this.env_vars[key.trim()] = val.trim();
                 });
         }
-        return this.#env_vars;
+
+        return this.env_vars;
     }
 
     toString() {
@@ -68,4 +75,3 @@ module.exports.get_latest_runtime_matching_language_version = function(lang, ver
     return module.exports.get_runtimes_matching_language_version(lang, ver)
         .sort((a,b) => semver.rcompare(a.version, b.version))[0];
 };
-