remove pkg directory;

remove build directory;
remove githook directory;

adapter/utils/captcha/captcha.go

@@ -0,0 +1,124 @@
+// Copyright 2014 beego Author. All Rights Reserved.
+//
+// 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 captcha implements generation and verification of image CAPTCHAs.
+// an example for use captcha
+//
+// ```
+// package controllers
+//
+// import (
+// 	"github.com/astaxie/beego"
+// 	"github.com/astaxie/beego/cache"
+// 	"github.com/astaxie/beego/utils/captcha"
+// )
+//
+// var cpt *captcha.Captcha
+//
+// func init() {
+// 	// use beego cache system store the captcha data
+// 	store := cache.NewMemoryCache()
+// 	cpt = captcha.NewWithFilter("/captcha/", store)
+// }
+//
+// type MainController struct {
+// 	beego.Controller
+// }
+//
+// func (this *MainController) Get() {
+// 	this.TplName = "index.tpl"
+// }
+//
+// func (this *MainController) Post() {
+// 	this.TplName = "index.tpl"
+//
+// 	this.Data["Success"] = cpt.VerifyReq(this.Ctx.Request)
+// }
+// ```
+//
+// template usage
+//
+// ```
+// {{.Success}}
+// <form action="/" method="post">
+// 	{{create_captcha}}
+// 	<input name="captcha" type="text">
+// </form>
+// ```
+package captcha
+
+import (
+	"html/template"
+	"net/http"
+	"time"
+
+	"github.com/astaxie/beego/server/web/captcha"
+	beecontext "github.com/astaxie/beego/server/web/context"
+
+	"github.com/astaxie/beego/adapter/cache"
+	"github.com/astaxie/beego/adapter/context"
+)
+
+var (
+	defaultChars = []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9}
+)
+
+const (
+	// default captcha attributes
+	challengeNums    = 6
+	expiration       = 600 * time.Second
+	fieldIDName      = "captcha_id"
+	fieldCaptchaName = "captcha"
+	cachePrefix      = "captcha_"
+	defaultURLPrefix = "/captcha/"
+)
+
+// Captcha struct
+type Captcha captcha.Captcha
+
+// Handler beego filter handler for serve captcha image
+func (c *Captcha) Handler(ctx *context.Context) {
+	(*captcha.Captcha)(c).Handler((*beecontext.Context)(ctx))
+}
+
+// CreateCaptchaHTML template func for output html
+func (c *Captcha) CreateCaptchaHTML() template.HTML {
+	return (*captcha.Captcha)(c).CreateCaptchaHTML()
+}
+
+// CreateCaptcha create a new captcha id
+func (c *Captcha) CreateCaptcha() (string, error) {
+	return (*captcha.Captcha)(c).CreateCaptcha()
+}
+
+// VerifyReq verify from a request
+func (c *Captcha) VerifyReq(req *http.Request) bool {
+	return (*captcha.Captcha)(c).VerifyReq(req)
+}
+
+// Verify direct verify id and challenge string
+func (c *Captcha) Verify(id string, challenge string) (success bool) {
+	return (*captcha.Captcha)(c).Verify(id, challenge)
+}
+
+// NewCaptcha create a new captcha.Captcha
+func NewCaptcha(urlPrefix string, store cache.Cache) *Captcha {
+	return (*Captcha)(captcha.NewCaptcha(urlPrefix, cache.CreateOldToNewAdapter(store)))
+}
+
+// NewWithFilter create a new captcha.Captcha and auto AddFilter for serve captacha image
+// and add a template func for output html
+func NewWithFilter(urlPrefix string, store cache.Cache) *Captcha {
+	return (*Captcha)(captcha.NewWithFilter(urlPrefix, cache.CreateOldToNewAdapter(store)))
+}