refactor

api/package.json

@@ -6,7 +6,6 @@
     "dependencies": {
         "body-parser": "^1.19.0",
         "express": "^4.17.1",
-        "express-validator": "^6.10.0",
         "is-docker": "^2.1.1",
         "js-yaml": "^4.0.0",
         "logplease": "^1.2.15",

api/src/api/v1.js

@@ -0,0 +1,184 @@
+const express = require('express');
+const router  = express.Router();
+
+const runtime = require('../runtime');
+const {Job} = require("../job");
+const package = require('../package')
+const logger = require('logplease').create('api/v1');
+
+router.post('/execute', async function(req, res){
+        const {language, version, files, stdin, args, run_timeout, compile_timeout} = req.body;
+
+        if(!language || typeof language !== "string")
+        {
+            return res
+                .status(400)
+                .send({
+                    message: "language is required as a string"
+                });
+        }
+
+        if(!version || typeof version !== "string")
+        {
+            return res
+                .status(400)
+                .send({
+                    message: "version is required as a string"
+                });
+        }
+
+        if(!files || !Array.isArray(files))
+        {
+            return res
+                .status(400)
+                .send({
+                    message: "files is required as an array"
+                });
+        }
+
+        for (const [i,file] of files.entries()) {
+            if(!file.content || typeof file.content !== "string"){
+                return res
+                    .status(400)
+                    .send({
+                        message: `files[${i}].content is required as a string`
+                    });
+            }
+        }
+
+
+
+    
+        const rt = runtime.get_latest_runtime_matching_language_version(language, version);
+
+        if (rt === undefined) {
+            return res
+                .status(400)
+                .send({
+                    message: `${language}-${version} runtime is unknown`
+                });
+        }
+
+        const job = new Job({
+            runtime: rt,
+            alias: language,
+            files: files,
+            args: args || [],
+            stdin: stdin || "",
+            timeouts: {
+                run: run_timeout || 3000,
+                compile: compile_timeout || 10000
+            }
+        });
+
+        await job.prime();
+
+        const result = await job.execute();
+
+        await job.cleanup();
+
+        return res
+            .status(200)
+            .send(result);
+});
+
+router.get('/runtimes', function(req, res){
+    const runtimes = runtime.map(rt => ({
+        language: rt.language,
+        version: rt.version.raw,
+        aliases: rt.aliases,
+        runtime: rt.runtime
+    }));
+
+    return res
+        .status(200)
+        .send(runtimes);
+});
+
+router.get('/packages', async function(req, res){
+    logger.debug('Request to list packages');
+    let packages = await package.get_package_list();
+
+    packages = packages
+        .map(pkg => {
+                return {
+                    language: pkg.language,
+                    language_version: pkg.version.raw,
+                    installed: pkg.installed
+                };
+            });
+
+    return res
+        .status(200)
+        .send(packages);
+});
+
+router.post('/packages/:language/:version', async function(req, res){
+    logger.debug('Request to install package');
+
+    const {language, version} = req.params;
+
+    const pkg = await package.get_package(language, version);
+
+    if (pkg == null) {
+        return res
+            .status(404)
+            .send({
+                message: `Requested package ${language}-${version} does not exist`
+            });
+    }
+
+    try {
+        const response = await pkg.install();
+
+        return res
+            .status(200)
+            .send(response);
+    } catch(e) {
+        logger.error(`Error while installing package ${pkg.language}-${pkg.version}:`, e.message);
+
+        return res
+            .status(500)
+            .send({
+                message: e.message
+            });
+    }
+});
+
+router.delete('/packages/:language/:version', async function(req, res){
+    logger.debug('Request to uninstall package');
+
+    const {language, version} = req.params;
+
+    const pkg = await package.get_package(language, version);
+
+    if (pkg == null) {
+        return res
+            .status(404)
+            .send({
+                message: `Requested package ${language}-${version} does not exist`
+            });
+    }
+
+    try {
+        const response = await pkg.uninstall();
+
+        return res
+            .status(200)
+            .send(response);
+    } catch(e) {
+        logger.error(`Error while uninstalling package ${pkg.language}-${pkg.version}:`, e.message);
+
+        return res
+            .status(500)
+            .send({
+                message: e.message
+            });
+    }
+});
+
+
+
+
+
+module.exports = router;

api/src/executor/routes.js

@@ -1,57 +0,0 @@
-// {"language":"python","version":"3.9.1","files":{"code.py":"print('hello world')"},"args":[],"stdin":"","compile_timeout":10, "run_timeout":3}
-// {"success":true, "run":{"stdout":"hello world", "stderr":"", "error_code":0},"compile":{"stdout":"","stderr":"","error_code":0}}
-
-const { get_latest_runtime_matching_language_version } = require('../runtime');
-const { Job } = require('./job');
-const { body } = require('express-validator');
-
-module.exports = {
-
-    run_job_validators: [
-        body('language')
-            .isString(),
-        body('version')
-            .isString(),
-        // isSemVer requires it to be a version, not a selector
-        body('files')
-            .isArray(),
-        body('files.*.content')
-            .isString(),
-    ],
-
-    // POST /execute
-    async run_job(req, res) {
-        const runtime = get_latest_runtime_matching_language_version(req.body.language, req.body.version);
-
-        if (runtime === undefined) {
-            return res
-                .status(400)
-                .send({
-                    message: `${req.body.language}-${req.body.version} runtime is unknown`
-                });
-        }
-
-        const job = new Job({
-            runtime,
-            alias: req.body.language,
-            files: req.body.files,
-            args: req.body.args || [],
-            stdin: req.body.stdin || "",
-            timeouts: {
-                run: req.body.run_timeout || 3000,
-                compile: req.body.compile_timeout || 10000
-            }
-        });
-
-        await job.prime();
-
-        const result = await job.execute();
-
-        await job.cleanup();
-
-        return res
-            .status(200)
-            .send(result);
-    }
-
-};

api/src/index.js

@@ -9,7 +9,6 @@ const fs = require('fs/promises');
 const fss = require('fs');
 const body_parser = require('body-parser');
 const runtime = require('./runtime');
-const { validationResult } = require('express-validator');
 
 const logger = Logger.create('index');
 const app = express();
@@ -67,48 +66,10 @@ const app = express();
             })
       })
 
-    const validate = (req, res, next) => {
-        const errors = validationResult(req);
-
-        if (!errors.isEmpty()) {
-            return res
-                .status(400)
-                .send({
-                    message: errors.array()
-                });
-        }
-
-        next();
-    };
-
     logger.debug('Registering Routes');
 
-    const ppman_routes = require('./ppman/routes');
+    const api_v1 = require('./api/v1')
-    const executor_routes = require('./executor/routes');
+    app.use('/api/v1', api_v1); 
-
-    app.get('/api/v1/packages', ppman_routes.package_list);
-    app.post('/api/v1/packages/:language/:version', ppman_routes.package_install);
-    app.delete('/api/v1/packages/:language/:version', ppman_routes.package_uninstall);
-    app.post('/api/v1/execute',
-        executor_routes.run_job_validators,
-        validate,
-        executor_routes.run_job
-    );
-    app.get('/api/v1/runtimes', (req, res) => {
-        const runtimes = runtime
-            .map(rt => {
-                return {
-                    language: rt.language,
-                    version: rt.version.raw,
-                    aliases: rt.aliases,
-                    runtime: rt.runtime
-                };
-            });
-
-        return res
-            .status(200)
-            .send(runtimes);
-    });
 
     app.use(function (req,res,next){
         return res.status(404).send({message: 'Not Found'});

api/src/job.js

@@ -2,8 +2,8 @@ const logger = require('logplease').create('executor/job');
 const {v4: uuidv4} = require('uuid');
 const cp = require('child_process');
 const path = require('path');
-const config = require('../config');
+const config = require('./config');
-const globals = require('../globals');
+const globals = require('./globals');
 const fs = require('fs/promises');
 
 const job_states = {

api/src/package.js

@@ -1,14 +1,14 @@
 const logger = require('logplease').create('ppman/package');
 const semver = require('semver');
-const config = require('../config');
+const config = require('./config');
-const globals = require('../globals');
+const globals = require('./globals');
 const fetch = require('node-fetch');
 const path = require('path');
 const fs = require('fs/promises');
 const fss = require('fs');
 const cp = require('child_process');
 const crypto = require('crypto');
-const runtime = require('../runtime');
+const runtime = require('./runtime');
 
 class Package {
 
@@ -158,8 +158,38 @@ class Package {
 
     }
 
+    static async 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);
+    
+        return entries.map(line => {
+            const [ language, version, checksum, download ] = line.split(',', 4);
+    
+            return new Package({
+                language,
+                version,
+                checksum,
+                download
+            });
+        });
+    }
+    
+    static async get_package (lang, version) {
+        const packages = await Package.get_package_list();
+    
+        const candidates = packages
+            .filter(pkg => {
+                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 = {
+module.exports = Package;
-    Package
-};

api/src/ppman/routes.js

@@ -1,123 +0,0 @@
-const logger = require('logplease').create('ppman/routes');
-const semver = require('semver');
-const fetch = require('node-fetch');
-const config = require('../config');
-const { Package } = require('./package');
-
-const get_package_list = async () => {
-    const repo_content = await fetch(config.repo_url).then(x => x.text());
-
-    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
-        });
-    });
-};
-
-const get_package = async (lang, version) => {
-    const packages = await get_package_list();
-
-    const candidates = packages
-        .filter(pkg => {
-            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 = {
-
-    // GET /packages
-    async package_list(req, res) {
-        logger.debug('Request to list packages');
-
-        let packages = await get_package_list();
-
-        packages = packages
-            .map(pkg => {
-                    return {
-                        language: pkg.language,
-                        language_version: pkg.version.raw,
-                        installed: pkg.installed
-                    };
-                });
-
-        return res
-            .status(200)
-            .send(packages);
-    },
-
-    // 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
-                .status(404)
-                .send({
-                    message: `Requested package ${req.params.language}-${req.params.version} does not exist`
-                });
-        }
-
-        try {
-            const response = await pkg.install();
-
-            return res
-                .status(200)
-                .send(response);
-        } catch(e) {
-            logger.error(`Error while installing package ${pkg.language}-${pkg.version}:`, e.message);
-
-            return res
-                .status(500)
-                .send({
-                    message: e.message
-                });
-        }
-    },
-
-    // DELETE /packages/:language/:version
-    async package_uninstall(req, res) {
-        logger.debug('Request to uninstall package');
-
-        const pkg = await get_package(req.params.language, req.params.version);
-
-        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.uninstall();
-
-            return res
-                .status(200)
-                .send(response);
-        } catch(e) {
-            logger.error(`Error while uninstalling package ${pkg.language}-${pkg.version}:`, e.message);
-
-            return res
-                .status(500)
-                .send({
-                    message: e.message
-                });
-        }
-    }
-
-};