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Lift Framework example source code file (PasswordField.scala)
The Lift Framework PasswordField.scala source code/* * Copyright 2007-2011 WorldWide Conferencing, LLC * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package net.liftweb package record package field import xml._ import common._ import json._ import util._ import Helpers._ import http.S import http.js._ import S._ import JE._ object PasswordField { @volatile var blankPw = "*******" @volatile var minPasswordLength = 5 } trait PasswordTypedField extends TypedField[String] { private val salt_i = FatLazy(Safe.randomString(16)) private var invalidMsg : String = "" def salt = this.salt_i private var validatedValue: Box[String] = valueBox def match_?(toTest: String): Boolean = get == hash("{"+toTest+"} salt={"+salt_i.get+"}") override def set_!(in: Box[String]): Box[String] = { validatedValue = in in.map(s => hash("{"+s+"} salt={"+salt_i.get+"}")) } def setFromAny(in: Any): Box[String] = { in match { case (a: Array[String]) if (a.length == 2 && a(0) == a(1)) => setBox(Full(a(0))) case (h1: String) :: (h2: String) :: Nil if h1 == h2 => setBox(Full(h1)) case _ => genericSetFromAny(in) } } def setFromString(s: String): Box[String] = s match { case "" if optional_? => setBox(Empty) case _ => setBox(Full(s)) } override def validate: List[FieldError] = runValidation(validatedValue) override def notOptionalErrorMessage = S.??("password.must.be.set") private def elem = S.fmapFunc(SFuncHolder(this.setFromAny(_))){ funcName => <input type="password" name={funcName} value={valueBox openOr ""} tabindex={tabIndex toString}/>} def toForm: Box[NodeSeq] = uniqueFieldId match { case Full(id) => Full(elem % ("id" -> id)) case _ => Full(elem) } protected def validatePassword(pwdValue: ValueType): List[FieldError] = toBoxMyType(pwdValue) match { case Empty|Full(""|null) if !optional_? => Text(notOptionalErrorMessage) case Full(s) if s == "*" || s == PasswordField.blankPw || s.length < PasswordField.minPasswordLength => Text(S.??("password.too.short")) case _ => Nil } override def validations = validatePassword _ :: Nil def defaultValue = "" def asJs = valueBox.map(Str) openOr JsNull def asJValue: JValue = valueBox.map(v => JString(v)) openOr (JNothing: JValue) def setFromJValue(jvalue: JValue): Box[MyType] = jvalue match { case JNothing|JNull if optional_? => setBox(Empty) case JString(s) => setFromString(s) case other => setBox(FieldHelpers.expectedA("JString", other)) } } class PasswordField[OwnerType <: Record[OwnerType]](rec: OwnerType) extends Field[String, OwnerType] with MandatoryTypedField[String] with PasswordTypedField { def this(rec: OwnerType, value: String) = { this(rec) set(value) } def owner = rec } class OptionalPasswordField[OwnerType <: Record[OwnerType]](rec: OwnerType) extends Field[String, OwnerType] with OptionalTypedField[String] with PasswordTypedField { def this(rec: OwnerType, value: Box[String]) = { this(rec) setBox(value) } def owner = rec } Other Lift Framework examples (source code examples)Here is a short list of links related to this Lift Framework PasswordField.scala source code file: |
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