Add MongoDB support to Hastebin.

config.js

@@ -4,6 +4,10 @@
   "keyLength": 5,
   "keySpace": "abcdefghijklmnopqrstuvwxyz0123456789",
   "staticMaxAge": 86400,
+  "mongodbUsername": "ButlerBot",
+  "mongodbPassword": "YzSwi2j2Pp6m5ln0",
+  "mongodbDbName": "butler_db",
+  "mongodbCollectionName": "pastes-test",
   "logging": [
     {
       "level": "verbose",

lib/document_store.js

@@ -1,47 +1,62 @@
-var fs = require("fs");
-var crypto = require("crypto");
+var MongoClient = require("mongodb").MongoClient
+var Winston = require("winston")
 
-var FileDocumentStore = function() {
-  this.basePath = "/data";
-  this.expire = null;
-};
+class MongoDocumentStore {
 
-FileDocumentStore.md5 = function(str) {
-  var md5sum = crypto.createHash("md5");
-  md5sum.update(str);
-  return md5sum.digest("hex");
-};
+  constructor(options) {
+    this.connectionURL = `mongodb+srv://${options.username}:${options.password}@cluster0-vycgu.mongodb.net/${options.dbName}?retryWrites=true&w=majority`;
+    this.dbName = options.dbName;
+    this.collectionName = options.collectionName;
+  }
 
-FileDocumentStore.prototype.set = function(key, data, callback) {
-  try {
+  set(key, data, callback) {
     var _this = this;
-    fs.mkdir(this.basePath, "700", function() {
-      var fn = _this.basePath + "/" + FileDocumentStore.md5(key);
-      fs.writeFile(fn, data, "utf8", function(err) {
+    const client = new MongoClient(this.connectionURL, { useUnifiedTopology: true, useNewUrlParser: true });
+    client.connect(err => {
+      if (err) {
+        callback(false);
+        Winston.error("Error connecting to MongoDB database.", { error: err });
+        return;
+      }
+      const db = client.db(_this.dbName);
+      const collection = db.collection(_this.collectionName);
+
+      collection.insertOne({key: key, data: data}, (err, result) => {
         if (err) {
           callback(false);
+          Winston.error("Error inserting data into MongoDB database.", { error: error });
+          return;
         }
-        else {
-          callback(true);
-        }
+        Winston.info("Inserted data into MongoDB database.");
+        callback(true);
       });
     });
-  } catch(err) {
-    callback(false);
   }
-};
 
-FileDocumentStore.prototype.get = function(key, callback) {
-  var _this = this;
-  var fn = _this.basePath + "/" + FileDocumentStore.md5(key);
-  fs.readFile(fn, "utf8", function(err, data) {
-    if (err) {
-      callback(false);
-    }
-    else {
-      callback(data);
-    }
-  });
-};
+  get(key, callback) {
+    var _this = this;
+    MongoClient.connect(this.connectionURL, { useUnifiedTopology: true }, function(err, client) {
+      if (err) {
+        callback(false);
+        Winston.error("Error connecting to MongoDB database.", { error: err });
+        return;
+      }
+      const db = client.db(_this.dbName);
+      const collection = db.collection(_this.collectionName);
+      
+      collection.findOne({key: key}, (err, result) => {
+        if (err || !result) {
+          callback(false);
+          if (err) {
+            Winston.error("Error getting data from MongoDB database.", { error: error });
+          }
+          return;
+        }
+        Winston.info("Retrieved data from MongoDB database.");
+        callback(result.data);
+      });
+    });
+  }
+}
 
-module.exports = FileDocumentStore;
+module.exports = MongoDocumentStore;

package.json

@@ -14,11 +14,12 @@
   },
   "main": "butlerbin",
   "dependencies": {
-    "connect-route": "0.1.5",
+    "busboy": "0.3.1",
     "connect": "3.7.0",
+    "connect-route": "0.1.5",
+    "mongodb": "3.5.8",
     "st": "2.0.0",
-    "winston": "0.6.2",
-    "busboy": "0.3.1"
+    "winston": "0.6.2"
   },
   "bundledDependencies": [],
   "engines": {

server.js

@@ -31,7 +31,12 @@ if (config.logging) {
 }
 
 // Configure the data store.
-store = new Store();
+store = new Store({
+  username: config.mongodbUsername,
+  password: config.mongodbPassword,
+  dbName: config.mongodbDbName,
+  collectionName: config.mongodbCollectionName
+});
 
 // Pick up a key generator.
 var keyGenerator = new KeyGenerator({