use eggspress for routing

bin/telebitd.js

@@ -28,6 +28,7 @@ var TPLS = TOML.parse(fs.readFileSync(path.join(__dirname, "../lib/en-us.toml"),
 var startTime = Date.now();
 var connectTimes = [];
 var isConnected = false;
+var eggspress = require('../lib/eggspress.js');
 
 var TelebitRemote = require('../lib/daemon/index.js').TelebitRemote;
 
@@ -112,7 +113,7 @@ function saveConfig(cb) {
   fs.writeFile(confpath, YAML.safeDump(snakeCopy(state.config)), cb);
 }
 var controllers = {};
-controllers.http = function (req, res, opts) {
+controllers.http = function (req, res) {
   function getAppname(pathname) {
     // port number
     if (String(pathname) === String(parseInt(pathname, 10))) {
@@ -138,7 +139,7 @@ controllers.http = function (req, res, opts) {
     }
   }
 
-  if (!opts.body) {
+  if (!req.body) {
     res.statusCode = 422;
     res.setHeader('Content-Type', 'application/json');
     res.end(JSON.stringify({"error":{"message":"module \'http\' needs some arguments"}}));
@@ -146,9 +147,9 @@ controllers.http = function (req, res, opts) {
   }
 
   var active = true;
-  var portOrPath = opts.body.handler || opts.body[0];
+  var portOrPath = req.body.handler || req.body[0];
-  var subdomain = opts.body.name || opts.body[1];
+  var subdomain = req.body.name || req.body[1];
-  var indexes = opts.body.indexes;
+  var indexes = req.body.indexes;
   var remoteHost;
 
   if (!portOrPath) {
@@ -260,8 +261,8 @@ controllers.http = function (req, res, opts) {
     }));
   });
 };
-controllers.tcp = function (req, res, opts) {
+controllers.tcp = function (req, res) {
-  if (!opts.body) {
+  if (!req.body) {
     res.statusCode = 422;
     res.setHeader('Content-Type', 'application/json');
     res.end(JSON.stringify({ error: { message: "module 'tcp' needs more arguments" } }));
@@ -269,8 +270,8 @@ controllers.tcp = function (req, res, opts) {
   }
 
   var active;
-  var remotePort = opts.body[1];
+  var remotePort = req.body[1];
-  var portOrPath = opts.body[0];
+  var portOrPath = req.body[0];
 
   // portnum
   if (remotePort) {
@@ -309,8 +310,8 @@ controllers.tcp = function (req, res, opts) {
     }));
   });
 };
-controllers.ssh = function (req, res, opts) {
+controllers.ssh = function (req, res) {
-  if (!opts.body) {
+  if (!req.body) {
     res.statusCode = 422;
     res.setHeader('Content-Type', 'application/json');
     res.end(JSON.stringify({"error":{"message":"module 'ssh' needs more arguments"}}));
@@ -336,7 +337,7 @@ controllers.ssh = function (req, res, opts) {
     });
   }
 
-  var rawSshAuto = opts.body.port || opts.body[0];
+  var rawSshAuto = req.body.port || req.body[0];
   var sshAuto = rawSshAuto;
   if (-1 !== [ -1, 'false', 'none', 'off', 'disable' ].indexOf(sshAuto)) {
     state.config.sshAuto = false;
@@ -358,33 +359,29 @@ controllers.ssh = function (req, res, opts) {
   state.config.sshAuto = sshAuto;
   sshSuccess();
 };
-controllers.relay = function (req, res, opts) {
+controllers.relay = function (req, res) {
-  if (!opts.body) {
+  if (!req.body) {
     res.statusCode = 422;
     res.setHeader('Content-Type', 'application/json');
     res.end(JSON.stringify({"error":{"message":"module \'relay\' needs more arguments"}}));
     return;
   }
 
-  return urequestAsync(opts.body).then(function (resp) {
+  return urequestAsync(req.body).then(function (resp) {
     res.setHeader('Content-Type', 'application/json');
     resp = resp.toJSON();
     res.end(JSON.stringify(resp));
   });
 };
 
-var serveStatic = require('serve-static')(path.join(__dirname, '../lib/admin/'));
+function handleApi() {
-function handleRemoteClient(req, res) {
+  var app = eggspress();
-  if (/^\/(rpc|api)\//.test(req.url)) {
+
-    return handleApi(req, res);
+  app.use('/', function (req, res, next) {
-  }
-  serveStatic(req, res, require('finalhandler')(req, res));
-}
-function handleApi(req, res) {
     var opts = url.parse(req.url, true);
     if (false && opts.query._body) {
       try {
-      opts.body = JSON.parse(decodeURIComponent(opts.query._body, true));
+        req.body = JSON.parse(decodeURIComponent(opts.query._body, true));
       } catch(e) {
         res.statusCode = 500;
         res.end('{"error":{"message":"?_body={{bad_format}}"}}');
@@ -392,7 +389,34 @@ function handleApi(req, res) {
       }
     }
 
-  function listSuccess() {
+    var hasLength = req.headers['content-length'] > 0;
+    if (!hasLength && !req.headers['content-type']) {
+      next();
+      return;
+    }
+
+    var body = '';
+    req.on('readable', function () {
+      var data;
+      while (true) {
+        data = req.read();
+        if (!data) { break; }
+        body += data.toString();
+      }
+    });
+    req.on('end', function () {
+      try {
+        req.body = JSON.parse(body);
+      } catch(e) {
+        res.statusCode = 400;
+        res.end('{"error":{"message":"POST body is not valid json"}}');
+        return;
+      }
+      next();
+    });
+  });
+
+  function listSuccess(req, res) {
     var dumpy = {
       servernames: state.servernames
     , ports: state.ports
@@ -411,7 +435,7 @@ function handleApi(req, res) {
     res.end(JSON.stringify(dumpy));
   }
 
-  function getConfigOnly() {
+  function getConfigOnly(req, res) {
     var resp = JSON.parse(JSON.stringify(state.config));
     resp.version = pkg.version;
     resp._otp = state.otp;
@@ -422,7 +446,7 @@ function handleApi(req, res) {
   //
   // without proper config
   //
-  function saveAndReport() {
+  function saveAndReport(req, res) {
     console.log('[DEBUG] saveAndReport config write', confpath);
     console.log(YAML.safeDump(snakeCopy(state.config)));
     fs.writeFile(confpath, YAML.safeDump(snakeCopy(state.config)), function (err) {
@@ -438,18 +462,18 @@ function handleApi(req, res) {
     });
   }
 
-  function initOrConfig() {
+    function initOrConfig(req, res) {
       var conf = {};
-    if (!opts.body) {
+      if (!req.body) {
         res.statusCode = 422;
         res.end('{"error":{"message":"module \'init\' needs more arguments"}}');
         return;
       }
 
-    if (Array.isArray(opts.body)) {
+      if (Array.isArray(req.body)) {
         // relay, email, agree_tos, servernames, ports
         //
-      opts.body.forEach(function (opt) {
+        req.body.forEach(function (opt) {
           var parts = opt.split(/:/);
           if ('true' === parts[1]) {
             parts[1] = true;
@@ -463,7 +487,7 @@ function handleApi(req, res) {
           conf[parts[0]] = parts[1];
         });
       } else {
-      conf = opts.body;
+        conf = req.body;
       }
 
       conf = camelCopy(conf);
@@ -545,7 +569,7 @@ function handleApi(req, res) {
           , message: "Missing important config file params"
           , _params: JSON.stringify(conf)
           , _config: JSON.stringify(state.config)
-        , _body: JSON.stringify(opts.body)
+          , _body: JSON.stringify(req.body)
           }
         }));
         return;
@@ -556,7 +580,7 @@ function handleApi(req, res) {
       safeStartTelebitRemote(true).then(saveAndReport).catch(handleError);
     }
 
-  function restart() {
+    function restart(req, res) {
       console.info("[telebitd.js] server closing...");
       state.keepAlive.state = false;
       if (myRemote) {
@@ -584,7 +608,15 @@ function handleApi(req, res) {
       }
     }
 
-  function invalidConfig() {
+    function mustHaveValidConfig(req, res, next) {
+      //
+      // Check for proper config
+      //
+      if (state.config.relay && state.config.email && state.config.agreeTos) {
+        next();
+        return;
+      }
+
       res.statusCode = 400;
       res.setHeader('Content-Type', 'application/json');
       res.end(JSON.stringify({
@@ -592,7 +624,7 @@ function handleApi(req, res) {
       }));
     }
 
-  function saveAndCommit() {
+    function saveAndCommit(req, res) {
       state.config.servernames = state.servernames;
       state.config.ports = state.ports;
       fs.writeFile(confpath, YAML.safeDump(snakeCopy(state.config)), function (err) {
@@ -608,7 +640,7 @@ function handleApi(req, res) {
       });
     }
 
-  function handleError(err) {
+    function handleError(err, req, res) {
       res.statusCode = 500;
       res.setHeader('Content-Type', 'application/json');
       res.end(JSON.stringify({
@@ -616,26 +648,28 @@ function handleApi(req, res) {
       }));
     }
 
-  function enable() {
+    function enable(req, res) {
       delete state.config.disable;// = undefined;
       state.keepAlive.state = true;
 
       fs.writeFile(confpath, YAML.safeDump(snakeCopy(state.config)), function (err) {
         if (err) {
           err.message = "Could not save config file. Perhaps you're user doesn't have permission?";
-        handleError(err);
+          handleError(err, req, res);
           return;
         }
         // TODO XXX myRemote.active
         if (myRemote) {
-        listSuccess();
+          listSuccess(req, res);
           return;
         }
-      safeStartTelebitRemote(true).then(listSuccess).catch(handleError);
+        safeStartTelebitRemote(true).then(listSuccess).catch(function () {
+          handleError(err, req, res);
+        });
       });
     }
 
-  function disable() {
+    function disable(req, res) {
       state.config.disable = true;
       state.keepAlive.state = false;
 
@@ -651,7 +685,7 @@ function handleApi(req, res) {
       });
     }
 
-  function getStatus() {
+    function getStatus(req, res) {
       var now = Date.now();
       res.setHeader('Content-Type', 'application/json');
       require('../lib/ssh.js').checkSecurity().then(function (ssh) {
@@ -677,98 +711,45 @@ function handleApi(req, res) {
       });
     }
 
-  function route() {
+  // TODO turn strings into regexes to match beginnings
-    if (/\b(relay)\b/.test(opts.pathname)) {
+  app.use(/\b(relay)\b/, controllers.relay);
-      controllers.relay(req, res, opts);
+  app.get(/\b(config)\b/, getConfigOnly);
-      return;
+  app.use(/\b(init|config)\b/, initOrConfig);
-    }
+  app.use(/\b(restart)\b/, restart);
-    if (/\b(config)\b/.test(opts.pathname) && /get/i.test(req.method)) {
+
-      getConfigOnly();
+  // Position is important with eggspress
-      return;
+  // This should stay here, right before the other methods
-    }
+  app.use('/', mustHaveValidConfig);
-    if (/\b(init|config)\b/.test(opts.pathname)) {
+
-      initOrConfig();
-      return;
-    }
-    if (/restart/.test(opts.pathname)) {
-      restart();
-      return;
-    }
-    //
-    // Check for proper config
-    //
-    if (!state.config.relay || !state.config.email || !state.config.agreeTos) {
-      invalidConfig();
-      return;
-    }
   //
   // With proper config
   //
-    if (/http/.test(opts.pathname)) {
+  app.use(/\b(http)\b/, controllers.http);
-      controllers.http(req, res, opts);
+  app.use(/\b(tcp)\b/, controllers.tcp);
-      return;
+  app.use(/\b(save|commit)\b/, saveAndCommit);
-    }
+  app.use(/\b(ssh)\b/, controllers.ssh);
-    if (/tcp/.test(opts.pathname)) {
+  app.use(/\b(enable)\b/, enable);
-      controllers.tcp(req, res, opts);
+  app.use(/\b(disable)\b/, disable);
-      return;
+  app.use(/\b(status)\b/, getStatus);
-    }
+  app.use(/\b(list)\b/, listSuccess);
-    if (/save|commit/.test(opts.pathname)) {
+  app.use('/', function (req, res) {
-      saveAndCommit();
-      return;
-    }
-    if (/ssh/.test(opts.pathname)) {
-      controllers.ssh(req, res, opts);
-      return;
-    }
-    if (/enable/.test(opts.pathname)) {
-      enable();
-      return;
-    }
-    if (/disable/.test(opts.pathname)) {
-      disable();
-      return;
-    }
-    if (/status/.test(opts.pathname)) {
-      getStatus();
-      return;
-    }
-    if (/list/.test(opts.pathname)) {
-      listSuccess();
-      return;
-    }
-
     res.setHeader('Content-Type', 'application/json');
     res.end(JSON.stringify({"error":{"message":"unrecognized rpc"}}));
-  }
-
-  var hasLength = req.headers['content-length'] > 0;
-  if (!hasLength && !req.headers['content-type']) {
-    route();
-    return;
-  }
-
-  var body = '';
-  req.on('readable', function () {
-    var data;
-    while (true) {
-      data = req.read();
-      if (!data) { break; }
-      body += data.toString();
-    }
-  });
-  req.on('end', function () {
-    try {
-      opts.body = JSON.parse(body);
-    } catch(e) {
-      res.statusCode = 400;
-      res.end('{"error":{"message":"POST body is not valid json"}}');
-      return;
-    }
-    route();
   });
+
+  return app;
 }
+
 function serveControlsHelper() {
-  controlServer = http.createServer(handleRemoteClient);
+  var app = eggspress();
+  var serveStatic = require('serve-static')(path.join(__dirname, '../lib/admin/'));
+  var apiHandler = handleApi();
+
+  app.use('/rpc/', apiHandler);
+  app.use('/api/', apiHandler);
+  app.use('/', serveStatic);
+
+  controlServer = http.createServer(app);
 
   if (fs.existsSync(state._ipc.path)) {
     fs.unlinkSync(state._ipc.path);

lib/eggspress.js

@@ -0,0 +1,78 @@
+'use strict';
+
+module.exports = function eggspress() {
+  //var patternsMap = {};
+  var allPatterns = [];
+  var app = function (req, res) {
+    var patterns = allPatterns.slice(0).reverse();
+    function next() {
+      var todo = patterns.pop();
+      if (!todo) {
+        console.log('[eggspress] Did not match any patterns', req.url);
+        require('finalhandler')(req, res)();
+        return;
+      }
+
+      // '', GET, POST, DELETE
+      if (todo[2] && req.method.toLowerCase() !== todo[2]) {
+        //console.log("[eggspress] HTTP method doesn't match", req.url);
+        next();
+        return;
+      }
+
+      if (!req.url.match(todo[0])) {
+        //console.log("[eggspress] pattern doesn't match", todo[0], req.url);
+        next();
+        return;
+      } else if ('string' === typeof todo[0] && 0 !== req.url.match(todo[0]).index) {
+        //console.log("[eggspress] string pattern is not the start", todo[0], req.url);
+        next();
+        return;
+      }
+
+      try {
+        //console.log("[eggspress] matched pattern", todo[0], req.url);
+        todo[1](req, res, next);
+      } catch(e) {
+        console.error("[eggspress] error", todo[2], todo[0], req.url);
+        console.error(e);
+        // TODO make a nice error message
+        res.end(e.message);
+        return;
+      }
+    }
+    next();
+  };
+
+  app.use = function (pattern, fn) {
+    return app._use('', pattern, fn);
+  };
+  [ 'GET', 'POST', 'DELETE' ].forEach(function (method) {
+    app[method.toLowerCase()] = function (pattern, fn) {
+      return app._use(method, pattern, fn);
+    };
+  });
+
+  app.post = function (pattern, fn) {
+    return app._use('POST', pattern, fn);
+  };
+  app._use = function (method, pattern, fn) {
+    // always end in a slash, for now
+    if ('string' === typeof pattern) {
+      pattern = pattern.replace(/\/$/, '')  + '/';
+    }
+    /*
+    if (!patternsMap[pattern]) {
+      patternsMap[pattern] = [];
+    }
+    patternsMap[pattern].push(fn);
+    patterns = Object.keys(patternsMap).sort(function (a, b) {
+      return b.length - a.length;
+    });
+    */
+    allPatterns.push([pattern, fn, method.toLowerCase()]);
+    return app;
+  };
+
+  return app;
+};

package-lock.json

@@ -49,11 +49,6 @@
         "sprintf-js": "~1.0.2"
       }
     },
-    "array-flatten": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
-      "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
-    },
     "asn1js": {
       "version": "1.2.12",
       "resolved": "https://registry.npmjs.org/asn1js/-/asn1js-1.2.12.tgz",
@@ -74,23 +69,6 @@
       "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.1.tgz",
       "integrity": "sha512-MKiLiV+I1AA596t9w1sQJ8jkiSr5+ZKi0WKrYGUn6d1Fx+Ij4tIj+m2WMQSGczs5jZVxV339chE8iwk6F64wjA=="
     },
-    "body-parser": {
-      "version": "1.18.3",
-      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.18.3.tgz",
-      "integrity": "sha1-WykhmP/dVTs6DyDe0FkrlWlVyLQ=",
-      "requires": {
-        "bytes": "3.0.0",
-        "content-type": "~1.0.4",
-        "debug": "2.6.9",
-        "depd": "~1.1.2",
-        "http-errors": "~1.6.3",
-        "iconv-lite": "0.4.23",
-        "on-finished": "~2.3.0",
-        "qs": "6.5.2",
-        "raw-body": "2.3.3",
-        "type-is": "~1.6.16"
-      }
-    },
     "buffer-alloc": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/buffer-alloc/-/buffer-alloc-1.2.0.tgz",
@@ -125,11 +103,6 @@
       "resolved": "https://registry.npmjs.org/buffer-v6-polyfill/-/buffer-v6-polyfill-1.0.5.tgz",
       "integrity": "sha1-0c2v61YAvvbCjWFElkJWvRLgFnc="
     },
-    "bytes": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.0.0.tgz",
-      "integrity": "sha1-0ygVQE1olpn4Wk6k+odV3ROpYEg="
-    },
     "certpem": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/certpem/-/certpem-1.0.1.tgz",
@@ -141,26 +114,6 @@
         "pkijs": "^1.3.27"
       }
     },
-    "content-disposition": {
-      "version": "0.5.2",
-      "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.2.tgz",
-      "integrity": "sha1-DPaLud318r55YcOoUXjLhdunjLQ="
-    },
-    "content-type": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/content-type/-/content-type-1.0.4.tgz",
-      "integrity": "sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA=="
-    },
-    "cookie": {
-      "version": "0.3.1",
-      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.3.1.tgz",
-      "integrity": "sha1-5+Ch+e9DtMi6klxcWpboBtFoc7s="
-    },
-    "cookie-signature": {
-      "version": "1.0.6",
-      "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
-      "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw="
-    },
     "core-util-is": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
@@ -238,43 +191,6 @@
       "resolved": "https://registry.npmjs.org/etag/-/etag-1.8.1.tgz",
       "integrity": "sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc="
     },
-    "express": {
-      "version": "4.16.4",
-      "resolved": "https://registry.npmjs.org/express/-/express-4.16.4.tgz",
-      "integrity": "sha512-j12Uuyb4FMrd/qQAm6uCHAkPtO8FDTRJZBDd5D2KOL2eLaz1yUNdUB/NOIyq0iU4q4cFarsUCrnFDPBcnksuOg==",
-      "requires": {
-        "accepts": "~1.3.5",
-        "array-flatten": "1.1.1",
-        "body-parser": "1.18.3",
-        "content-disposition": "0.5.2",
-        "content-type": "~1.0.4",
-        "cookie": "0.3.1",
-        "cookie-signature": "1.0.6",
-        "debug": "2.6.9",
-        "depd": "~1.1.2",
-        "encodeurl": "~1.0.2",
-        "escape-html": "~1.0.3",
-        "etag": "~1.8.1",
-        "finalhandler": "1.1.1",
-        "fresh": "0.5.2",
-        "merge-descriptors": "1.0.1",
-        "methods": "~1.1.2",
-        "on-finished": "~2.3.0",
-        "parseurl": "~1.3.2",
-        "path-to-regexp": "0.1.7",
-        "proxy-addr": "~2.0.4",
-        "qs": "6.5.2",
-        "range-parser": "~1.2.0",
-        "safe-buffer": "5.1.2",
-        "send": "0.16.2",
-        "serve-static": "1.13.2",
-        "setprototypeof": "1.1.0",
-        "statuses": "~1.4.0",
-        "type-is": "~1.6.16",
-        "utils-merge": "1.0.1",
-        "vary": "~1.1.2"
-      }
-    },
     "finalhandler": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.1.1.tgz",
@@ -289,11 +205,6 @@
         "unpipe": "~1.0.0"
       }
     },
-    "forwarded": {
-      "version": "0.1.2",
-      "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.1.2.tgz",
-      "integrity": "sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ="
-    },
     "fresh": {
       "version": "0.5.2",
       "resolved": "https://registry.npmjs.org/fresh/-/fresh-0.5.2.tgz",
@@ -374,14 +285,6 @@
         "statuses": ">= 1.4.0 < 2"
       }
     },
-    "iconv-lite": {
-      "version": "0.4.23",
-      "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.23.tgz",
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package.json

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