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//带cookie的http请求
func QueryContentWithCookie(QueryURL string) *strings.Reader {
client := &http.Client{}
req, err := http.NewRequest("GET", QueryURL, nil)
if err != nil {
fmt.Println(err)
return nil
}
req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
/*
cookiejar的作用是自动cookie，在response过程服务器增加减少，
会带来一些cookie上的变化
*/
client.Jar, _ = cookiejar.New(nil)
cookie := GetFileCookie(req.Host) //从文件记录中获取cookie
if cookie != nil {
for _, v := range cookie {
req.AddCookie(v)
}
}
resp, err := client.Do(req)
if err != nil {
fmt.Println(err)
return nil
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
fmt.Println(err)
return nil
}
return strings.NewReader(string(body))
}
//不带cookie要求输入用户名及密码的请求
func QueryContent(QueryURI string) (err error, js *simplejson.Json) {
for loop := true; loop; {
var bIsRedirect bool
var RedirectReq *http.Request
client := &http.Client{}
client.CheckRedirect = func(req *http.Request, via []*http.Request) error {
bIsRedirect = true
RedirectReq = req
return nil
}
req, err := http.NewRequest("GET", QueryURI, nil)
if err != nil {
fmt.Println(err)
return err, nil
}
req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
// client.Transport = LogRedirects{Domain:req.Host}
client.Jar, _ = cookiejar.New(nil)
cookie := GetFileCookie(req.Host)
if cookie != nil {
for _, v := range cookie {
req.AddCookie(v)
}
}
resp, err := client.Do(req)
if err != nil {
fmt.Println(err)
return err, nil
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
// handle error
}
// fmt.Print(string(body))
if bIsRedirect && RedirectReq.URL.Host != req.URL.Host {
//如果有redirect，并且跨域，刚可以简单的认为cookie失效，删除cookie重新验证一次
var password2 string
for passloop := false; passloop == false; {
fmt.Println("Please enter your password: ")
fmt.Scanf("%s\n", &password2)
password = password + password2
file_path := current_dir + "/" + req.URL.Host + ".txt"
os.Remove(file_path)
passloop = PassOA(string(body), req.URL.Host, RedirectReq.URL.Scheme+"://"+RedirectReq.URL.Host+RedirectReq.URL.Path, password)
}
}
//服务器返回的是json，这里解析成一个simplejson对象，看看用法就好
//通用的代码还需要大量修改
if bIsRedirect == false {
jsContent, jerr := simplejson.NewJson([]byte(body))
if jerr == nil {
js = jsContent
}
loop = false
}
}
return
}
func GetFileCookie(DomainName string) []*http.Cookie {
if len(sessionCookie[DomainName]) != 0 {
return sessionCookie[DomainName]
}
cookiefile := current_dir + "/" + DomainName + ".txt"
_, ferr := os.Stat(cookiefile)
if ferr != nil && ferr.Error() == os.ErrNotExist.Error() {
fmt.Println("cookie save file is not exit")
return nil
} else {
f, ferr1 := os.Open(cookiefile)
if ferr1 == nil {
defer f.Close()
br := bufio.NewReader(f)
var cookiearr []string
for {
a, _, c := br.ReadLine()
if c == io.EOF {
break
}
cookiearr = append(cookiearr, string(a))
}
newHeader := make(http.Header)
newHeader["Set-Cookie"] = cookiearr
resp := http.Response{Header: newHeader}
sessionCookie[DomainName] = resp.Cookies()
}
}
return sessionCookie[DomainName]
}
type LogRedirects struct {
Transport http.RoundTripper
Domain string
}
/*
这个回调的作用是在请求前做一轮处理，先是调用原默认回调，
判断返回的resp如果成功登陆就保存cookie到文件，
靠请求和最终跳转成功的domain比对判断登陆是否成功，
这应该不算是个好方法，但是可用
*/
func (l LogRedirects) RoundTrip(req *http.Request) (resp *http.Response, err error) {
t := l.Transport
if t == nil {
t = http.DefaultTransport
}
resp, err = t.RoundTrip(req)
if err != nil {
return
}
//fmt.Println(req.Host+req.URL.Path + "?" + req.URL.RawQuery)
if req.URL.Host == l.Domain {
//fmt.Print(resp.Header["Set-Cookie"])
file_path := current_dir + "/" + l.Domain + ".txt"
f, err := os.OpenFile(file_path, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
if err == nil {
defer f.Close()
savecookie := resp.Cookies()
for _, v := range savecookie {
// fmt.Print(v.String())
f.WriteString(v.String())
f.WriteString("\n")
}
}
}
return
}
func PassOA(HttpReferConent string, OrigDomain string, QueryURL string, Password string) (bRet bool) {
var PassOK bool
jar, _ := cookiejar.New(nil)
doc, err := goquery.NewDocumentFromReader(bytes.NewBuffer([]byte(HttpReferConent)))
var mapQueryParam = make(map[string][]string)
client := &http.Client{Transport: LogRedirects{Domain: OrigDomain}, Jar: jar}
if err != nil {
fmt.Println("error code:", err)
}
//其实通用的方法应该是找到form再找到submit的input输入，
//但是如果是ajax的方法这就没法通用了
node := doc.Find("form")
if node == nil {
fmt.Println("no form find")
}
posturi, _ := node.Attr("action")
node.Find("input").Each(func(i int, s *goquery.Selection) {
var valueArray []string
name, _ := s.Attr("name")
value, _ := s.Attr("value")
valueArray = append(valueArray, value)
mapQueryParam[name] = valueArray
})
//这个是硬编码
mapQueryParam["LoginName"] = []string{userName}
mapQueryParam["Password"] = []string{Password}
client.CheckRedirect = func(newreq *http.Request, via []*http.Request) error {
//懒得判断多次跳转了，两次302跳转了就是验证成功了
switch len(via) {
case 2:
PassOK = true
// case 3:
// cookies := newreq.Header["Cookies"]
// fmt.Println(cookies)
}
return nil
}
NewQueryURL := QueryURL[:strings.LastIndex(QueryURL, "/")+1] + posturi
req, err := http.NewRequest("POST", NewQueryURL, strings.NewReader(url.Values(mapQueryParam).Encode()))
if err != nil {
fmt.Println("requst buffer failed")
return
}
//这里也是硬编码
req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
req.Header.Set("Cookie", "login_username="+userName)
resp, err := client.Do(req)
if err != nil {
fmt.Println(err)
return
}
defer resp.Body.Close()
if PassOK {
fmt.Println("pass OA verification successful!")
} else {
// body, err := ioutil.ReadAll(resp.Body)
// if err != nil {
// handle error
// }
// fmt.Println(string(body))
}
return PassOK
}
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