Add baseDir option, add -b flag to cli options to specify base path

Author: jesseditson

README.md

@@ -33,6 +33,8 @@ This will install `http-server` globally so that it may be run from the command
 
 `-a` Address to use (defaults to 0.0.0.0)
 
+`-b` Base path to serve files from (defaults /)
+
 `-d` Show directory listings (defaults to `true`)
 
 `-i` Display autoIndex (defaults to `true`)

bin/http-server

@@ -21,6 +21,7 @@ if (argv.h || argv.help) {
     '  -p           Port to use [8080]',
     '  -a           Address to use [0.0.0.0]',
     '  -d           Show directory listings [true]',
+    '  -b           Base directory to serve files from [/]',
     '  -i           Display autoIndex [true]',
     '  -g --gzip    Serve gzip files when possible [false]',
     '  -e --ext     Default file extension if none supplied [none]',
@@ -50,6 +51,7 @@ var port = argv.p || parseInt(process.env.PORT, 10),
     ssl = !!argv.S || !!argv.ssl,
     proxy = argv.P || argv.proxy,
     utc = argv.U || argv.utc,
+    baseDir = argv.b,
     logger;
 
 if (!argv.s && !argv.silent) {
@@ -97,6 +99,7 @@ function listen(port) {
     root: argv._[0],
     cache: argv.c,
     showDir: argv.d,
+    baseDir: baseDir,
     autoIndex: argv.i,
     gzip: argv.g || argv.gzip,
     robots: argv.r || argv.robots,
@@ -123,7 +126,8 @@ function listen(port) {
   var server = httpServer.createServer(options);
   server.listen(port, host, function () {
     var canonicalHost = host === '0.0.0.0' ? '127.0.0.1' : host,
-        protocol      = ssl ? 'https://' : 'http://';
+        protocol      = ssl ? 'https://' : 'http://',
+        path          = baseDir ? '/' + baseDir.replace(/^\//, '') : '';
 
     logger.info([colors.yellow('Starting up http-server, serving '),
       colors.cyan(server.root),
@@ -151,7 +155,7 @@ function listen(port) {
     logger.info('Hit CTRL-C to stop the server');
     if (argv.o) {
       opener(
-        protocol + canonicalHost + ':' + port,
+        protocol + canonicalHost + ':' + port + path,
         { command: argv.o !== true ? argv.o : null }
       );
     }

lib/http-server.js

@@ -95,6 +95,7 @@ function HttpServer(options) {
 
   before.push(ecstatic({
     root: this.root,
+    baseDir: options.baseDir,
     cache: this.cache,
     showDir: this.showDir,
     showDotfiles: this.showDotfiles,

test/http-server-test.js

@@ -154,5 +154,45 @@ vows.describe('http-server').addBatch({
         assert.ok(res.headers['access-control-allow-headers'].split(/\s*,\s*/g).indexOf('X-Test') >= 0, 204);
       }
     }
+  },
+  'When baseDir is specified': {
+    topic: function () {
+      var server = httpServer.createServer({
+        root: root,
+        baseDir: '/test'
+      });
+      server.listen(8083);
+      this.callback(null, server);
+    },
+    'it should serve files at the specified baseDir': {
+      topic: function () {
+        request('http://127.0.0.1:8083/test/file', this.callback);
+      },
+      'status code should be 200': function (res) {
+        assert.equal(res.statusCode, 200);
+      },
+      'and file content': {
+        topic: function (res, body) {
+          var self = this;
+          fs.readFile(path.join(root, 'file'), 'utf8', function (err, data) {
+            self.callback(err, data, body);
+          });
+        },
+        'should match content of served file': function (err, file, body) {
+          assert.equal(body.trim(), file.trim());
+        }
+      }
+    },
+    'it should not serve files at the root': {
+      topic: function () {
+        request('http://127.0.0.1:8083/file', this.callback);
+      },
+      'status code should be 403': function (res) {
+        assert.equal(res.statusCode, 403);
+      },
+      'and file content should be empty': function (res) {
+        assert.equal(res.body, '');
+      }
+    }
   }
 }).export(module);