1 files changed, 0 insertions, 241 deletions
diff --git a/vendor/github.com/go-macaron/captcha/captcha.go b/vendor/github.com/go-macaron/captcha/captcha.go
deleted file mode 100644
index 687c67a9..00000000
--- a/vendor/github.com/go-macaron/captcha/captcha.go
+++ /dev/null
@@ -1,241 +0,0 @@
-// Copyright 2013 Beego Authors
-// Copyright 2014 The Macaron Authors
-//
-// 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 a middleware that provides captcha service for Macaron.
-package captcha
-
-import (
-	"fmt"
-	"html/template"
-	"path"
-	"strings"
-
-	"github.com/Unknwon/com"
-	"github.com/go-macaron/cache"
-	"gopkg.in/macaron.v1"
-)
-
-const _VERSION = "0.1.0"
-
-func Version() string {
-	return _VERSION
-}
-
-var (
-	defaultChars = []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9}
-)
-
-// Captcha represents a captcha service.
-type Captcha struct {
-	store            cache.Cache
-	SubURL           string
-	URLPrefix        string
-	FieldIdName      string
-	FieldCaptchaName string
-	StdWidth         int
-	StdHeight        int
-	ChallengeNums    int
-	Expiration       int64
-	CachePrefix      string
-}
-
-// generate key string
-func (c *Captcha) key(id string) string {
-	return c.CachePrefix + id
-}
-
-// generate rand chars with default chars
-func (c *Captcha) genRandChars() string {
-	return string(com.RandomCreateBytes(c.ChallengeNums, defaultChars...))
-}
-
-// tempalte func for output html
-func (c *Captcha) CreateHtml() template.HTML {
-	value, err := c.CreateCaptcha()
-	if err != nil {
-		panic(fmt.Errorf("fail to create captcha: %v", err))
-	}
-	return template.HTML(fmt.Sprintf(`<input type="hidden" name="%s" value="%s">
-	<a class="captcha" href="javascript:" tabindex="-1">
-		<img onclick="this.src=('%s%s%s.png?reload='+(new Date()).getTime())" class="captcha-img" src="%s%s%s.png">
-	</a>`, c.FieldIdName, value, c.SubURL, c.URLPrefix, value, c.SubURL, c.URLPrefix, value))
-}
-
-// create a new captcha id
-func (c *Captcha) CreateCaptcha() (string, error) {
-	id := string(com.RandomCreateBytes(15))
-	if err := c.store.Put(c.key(id), c.genRandChars(), c.Expiration); err != nil {
-		return "", err
-	}
-	return id, nil
-}
-
-// verify from a request
-func (c *Captcha) VerifyReq(req macaron.Request) bool {
-	req.ParseForm()
-	return c.Verify(req.Form.Get(c.FieldIdName), req.Form.Get(c.FieldCaptchaName))
-}
-
-// direct verify id and challenge string
-func (c *Captcha) Verify(id string, challenge string) bool {
-	if len(challenge) == 0 || len(id) == 0 {
-		return false
-	}
-
-	var chars string
-
-	key := c.key(id)
-
-	if v, ok := c.store.Get(key).(string); ok {
-		chars = v
-	} else {
-		return false
-	}
-
-	defer c.store.Delete(key)
-
-	if len(chars) != len(challenge) {
-		return false
-	}
-
-	// verify challenge
-	for i, c := range []byte(chars) {
-		if c != challenge[i]-48 {
-			return false
-		}
-	}
-
-	return true
-}
-
-type Options struct {
-	// Suburl path. Default is empty.
-	SubURL string
-	// URL prefix of getting captcha pictures. Default is "/captcha/".
-	URLPrefix string
-	// Hidden input element ID. Default is "captcha_id".
-	FieldIdName string
-	// User input value element name in request form. Default is "captcha".
-	FieldCaptchaName string
-	// Challenge number. Default is 6.
-	ChallengeNums int
-	// Captcha image width. Default is 240.
-	Width int
-	// Captcha image height. Default is 80.
-	Height int
-	// Captcha expiration time in seconds. Default is 600.
-	Expiration int64
-	// Cache key prefix captcha characters. Default is "captcha_".
-	CachePrefix string
-}
-
-func prepareOptions(options []Options) Options {
-	var opt Options
-	if len(options) > 0 {
-		opt = options[0]
-	}
-
-	opt.SubURL = strings.TrimSuffix(opt.SubURL, "/")
-
-	// Defaults.
-	if len(opt.URLPrefix) == 0 {
-		opt.URLPrefix = "/captcha/"
-	} else if opt.URLPrefix[len(opt.URLPrefix)-1] != '/' {
-		opt.URLPrefix += "/"
-	}
-	if len(opt.FieldIdName) == 0 {
-		opt.FieldIdName = "captcha_id"
-	}
-	if len(opt.FieldCaptchaName) == 0 {
-		opt.FieldCaptchaName = "captcha"
-	}
-	if opt.ChallengeNums == 0 {
-		opt.ChallengeNums = 6
-	}
-	if opt.Width == 0 {
-		opt.Width = stdWidth
-	}
-	if opt.Height == 0 {
-		opt.Height = stdHeight
-	}
-	if opt.Expiration == 0 {
-		opt.Expiration = 600
-	}
-	if len(opt.CachePrefix) == 0 {
-		opt.CachePrefix = "captcha_"
-	}
-
-	return opt
-}
-
-// NewCaptcha initializes and returns a captcha with given options.
-func NewCaptcha(opt Options) *Captcha {
-	return &Captcha{
-		SubURL:           opt.SubURL,
-		URLPrefix:        opt.URLPrefix,
-		FieldIdName:      opt.FieldIdName,
-		FieldCaptchaName: opt.FieldCaptchaName,
-		StdWidth:         opt.Width,
-		StdHeight:        opt.Height,
-		ChallengeNums:    opt.ChallengeNums,
-		Expiration:       opt.Expiration,
-		CachePrefix:      opt.CachePrefix,
-	}
-}
-
-// Captchaer is a middleware that maps a captcha.Captcha service into the Macaron handler chain.
-// An single variadic captcha.Options struct can be optionally provided to configure.
-// This should be register after cache.Cacher.
-func Captchaer(options ...Options) macaron.Handler {
-	return func(ctx *macaron.Context, cache cache.Cache) {
-		cpt := NewCaptcha(prepareOptions(options))
-		cpt.store = cache
-
-		if strings.HasPrefix(ctx.Req.URL.Path, cpt.URLPrefix) {
-			var chars string
-			id := path.Base(ctx.Req.URL.Path)
-			if i := strings.Index(id, "."); i > -1 {
-				id = id[:i]
-			}
-			key := cpt.key(id)
-
-			// Reload captcha.
-			if len(ctx.Query("reload")) > 0 {
-				chars = cpt.genRandChars()
-				if err := cpt.store.Put(key, chars, cpt.Expiration); err != nil {
-					ctx.Status(500)
-					ctx.Write([]byte("captcha reload error"))
-					panic(fmt.Errorf("reload captcha: %v", err))
-				}
-			} else {
-				if v, ok := cpt.store.Get(key).(string); ok {
-					chars = v
-				} else {
-					ctx.Status(404)
-					ctx.Write([]byte("captcha not found"))
-					return
-				}
-			}
-
-			if _, err := NewImage([]byte(chars), cpt.StdWidth, cpt.StdHeight).WriteTo(ctx.Resp); err != nil {
-				panic(fmt.Errorf("write captcha: %v", err))
-			}
-			return
-		}
-
-		ctx.Data["Captcha"] = cpt
-		ctx.Map(cpt)
-	}
-}