author model

README.md

@@ -18,6 +18,27 @@ Showoff Time is a hosted presentation server heavily inspired by Showoff.
 * `/preview` - render the current data and return it
 * `/live/:name#s1234` - view a live talk.
 
+## Model
+
+### Presentation
+
+* author (ID)
+* title (String)
+* published (boolean, default: false)
+
+### Slide
+
+* presentation (ID)
+* number (Integer)
+* body (String)
+* options (Array, see Slide.validOptions)
+
+### Author
+
+* name
+* email
+* password
+
 ## Development
 
 Run this in the main directory to compile coffeescript to javascript as you go:

lib/author.js

@@ -0,0 +1,35 @@
+var Author, crypto;
+crypto = require('crypto');
+Author = function(options) {
+  this.fill(options);
+  this.db = options.db || Author.db;
+  return this;
+};
+Author.prototype.fill = function(options) {
+  this.name = options.name;
+  this.email = options.email;
+  this.salt = options.salt || Author.generate_salt();
+  return (this.pw = options.pw);
+};
+Author.prototype.set_password = function(pass) {
+  return (this.pw = Author.hash_password(this.salt, pass));
+};
+Author.prototype.authenticates = function(pass) {
+  return Author.hash_password(this.salt, pass) === this.pw;
+};
+Author.generate_salt = function() {
+  var hash;
+  hash = crypto.createHash('md5');
+  hash.update(this.name);
+  hash.update(this.email);
+  hash.update(Math.random().toString());
+  return hash.digest('hex');
+};
+Author.hash_password = function(salt, pass) {
+  var hash;
+  hash = crypto.createHash('md5');
+  hash.update(salt);
+  hash.update(pass);
+  return hash.digest('hex');
+};
+exports.Author = Author;

src/author.coffee

@@ -0,0 +1,33 @@
+crypto = require('crypto')
+
+class Author
+  constructor: (options) ->
+    @fill options
+    @db = options.db || Author.db
+
+  fill: (options) ->
+    @name  = options.name
+    @email = options.email
+    @salt  = options.salt || Author.generate_salt()
+    @pw    = options.pw # hashed password
+
+  set_password: (pass) ->
+    @pw = Author.hash_password @salt, pass
+
+  authenticates: (pass) ->
+    Author.hash_password(@salt, pass) == @pw
+
+Author.generate_salt = ->
+  hash = crypto.createHash 'md5'
+  hash.update @name
+  hash.update @email
+  hash.update Math.random().toString() # shoot me
+  hash.digest 'hex'
+
+Author.hash_password = (salt, pass) ->
+  hash = crypto.createHash 'md5'
+  hash.update salt
+  hash.update pass
+  hash.digest 'hex'
+
+exports.Author = Author

test/author_test.coffee

@@ -0,0 +1,12 @@
+assert = require 'assert'
+Author = require('../lib/author').Author
+
+author = new Author name: "Name", email: "Email"
+
+assert.equal true,  author.salt?
+assert.equal false, author.pw?
+
+author.set_password "secret"
+
+assert.equal true,  author.authenticates('secret')
+assert.equal false, author.authenticates('foo')