77 lines
1.8 KiB
CoffeeScript
77 lines
1.8 KiB
CoffeeScript
# libraries
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bcrypt = (require 'bcrypt')
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sqlite3 = (require 'sqlite3').verbose()
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FFTCGDB = (filename) ->
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@filename = filename
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@db = new sqlite3.Database @filename, (err) ->
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if err
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console.error err.message
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@db.run """
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CREATE TABLE IF NOT EXISTS users (
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login text NOT NULL COLLATE NOCASE,
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pwdhash text NOT NULL,
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session text,
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UNIQUE(login)
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);
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"""
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console.log "[FFTCGDB] Connected to '#{@filename}'"
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return
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FFTCGDB::close = ->
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new Promise (resolve, reject) ->
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@db.close (err) ->
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if err
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resolve "[FFTCGDB] Error closing: '#{err.message}'"
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else
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reject "[FFTCGDB] Closed '#{@filename}'"
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FFTCGDB::register = (login, password) ->
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that = @
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# bruteforce countermeasure
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saltRounds = 13
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new Promise (resolve, reject) ->
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# validate username
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# hash password
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bcrypt.hash password, saltRounds, (err, hash) ->
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reject 'hash' if err
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# try creating row in users table
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that.db.run "INSERT INTO users (login, pwdhash) VALUES ('#{login}', '#{hash}');", (err) ->
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if err
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if err.code == 'SQLITE_CONSTRAINT'
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reject 'existence'
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else
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reject 'db'
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else
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# registration successful
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resolve login
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FFTCGDB::login = (login, password) ->
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that = @
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new Promise (resolve, reject) ->
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# validate username
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# get users table row
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that.db.all "SELECT rowid, pwdhash FROM users WHERE login = '#{login}';", (err, rows) ->
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if err
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reject 'db'
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else if rows.length == 0
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reject 'existence'
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else
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row = rows[0]
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bcrypt.compare password, row.pwdhash, (err, res) ->
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reject 'hash' if err
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if res == true
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resolve row.rowid
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else
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reject 'login'
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module.exports = FFTCGDB
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