08-27-周三_17-09-29

node_modules/dnode/example/auth/client.js

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+var dnode = require('dnode');
+
+if (process.argv.length < 4) {
+    return console.error('Usage: ./client.js user pass');
+}
+
+var user = process.argv[2];
+var pass = process.argv[3];
+
+var d = dnode.connect(7007);
+d.on('remote', function (remote) {
+    remote.auth(user, pass, function (err, session) {
+        if (err) {
+            console.error(err);
+            return d.end();
+        }
+        
+        session.quote(function (q) {
+            console.log('And now for a quote by ' + q.who + ':\n');
+            console.log(q.quote + '\n');
+            d.end();
+        });
+    });
+});

node_modules/dnode/example/auth/quotes.json

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+[ 
+    {
+        "quote" : "Beauty is a consequential thing, a product of solving problems correctly.",
+        "who" : "Joseph Eshrick"
+    },
+    {
+        "quote" : "If you wish to make an apple pie from scratch, you must first invent the universe.",
+        "who" : "Carl Sagan"
+    },
+    {
+        "quote" : "If you're not allowed to implement new ideas, you stop having them.",
+        "who" : "Paul Graham"
+    },
+    {
+        "quote" : "For a successful technology, reality must take precedence over public relations, for nature cannot be fooled.",
+        "who" : "Richard Feynman"
+    }
+]

node_modules/dnode/example/auth/server.js

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+var dnode = require('dnode');
+var fs = require('fs');
+var net = require('net');
+
+var secretQuotes = require('./quotes.json');
+function randomQuote (cb) {
+    var ix = Math.floor(Math.random() * secretQuotes.length);
+    cb(secretQuotes[ix]);
+}
+
+var server = net.createServer(function (stream) {
+    var d = dnode({ auth : auth });
+    d.pipe(stream).pipe(d);
+    
+    function auth (user, pass, cb) {
+        if (typeof cb !== 'function') return;
+        
+        if (user === 'moo' && pass === 'hax') {
+            console.log('signed in: ' + user);
+            d.on('end', function () {
+                console.log('disconnected: ' + user);
+            });
+            
+            cb(null, { quote : randomQuote });
+        }
+        else cb('ACCESS DENIED')
+    }
+});
+server.listen(7007);