/
common.go
84 lines (71 loc) · 2.12 KB
/
common.go
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package lock
import (
"math/rand"
"net/http"
"os"
"os/user"
"github.com/Sirupsen/logrus"
)
const (
UA = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.84 Safari/537.36"
Host = "idmsa.apple.com"
WidgetKey = "af1139274f266b22b68c2a3e7ad932cb3c0bbe854e13a79af78dcc73136882c3"
BaseURL = "https://idmsa.apple.com"
Referer = BaseURL + "/appleauth/auth/signin?widgetKey=" + WidgetKey + "&language=zh_CN&rv=1"
AcceptEncoding = ""
AcceptLanguage = "zh-CN,zh;q=0.9,en;q=0.8"
AcceptJSON = "application/json, text/javascript, */*; q=0.01"
ContentType = "application/json"
)
const (
letterBytes = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
letterIdxBits = 6 // 6 bits to represent a letter index
letterIdxMask = 1<<letterIdxBits - 1 // All 1-bits, as many as letterIdxBits
letterIdxMax = 63 / letterIdxBits // # of letter indices fitting in 63 bits
)
func RandString(n int) string {
b := make([]byte, n)
// A rand.Int63() generates 63 random bits, enough for letterIdxMax letters!
for i, cache, remain := n-1, rand.Int63(), letterIdxMax; i >= 0; {
if remain == 0 {
cache, remain = rand.Int63(), letterIdxMax
}
if idx := int(cache & letterIdxMask); idx < len(letterBytes) {
b[i] = letterBytes[idx]
i--
}
cache >>= letterIdxBits
remain--
}
return string(b)
}
func CheckErr(err error) bool {
if err != nil {
logrus.Infoln(err)
return false
}
return true
}
func CheckAndExit(err error) {
if !CheckErr(err) {
os.Exit(1)
}
}
func CheckRoot() {
u, err := user.Current()
CheckAndExit(err)
if u.Uid != "0" || u.Gid != "0" {
logrus.Infoln("This command must be run as root! (sudo)")
os.Exit(1)
}
}
func setCommonHeader(req *http.Request) {
req.Header.Set("User-Agent", UA)
req.Header.Set("Accept-Encoding", AcceptEncoding)
req.Header.Set("Accept-Language", AcceptLanguage)
req.Header.Set("Content-Type", ContentType)
req.Header.Set("Host", Host)
req.Header.Set("Origin", BaseURL)
req.Header.Set("Referer", Referer)
req.Header.Set("Accept", AcceptJSON)
}