mirror of
https://github.com/ProudMuBai/GoFilm.git
synced 2026-02-10 03:44:46 +08:00
127 lines
3.1 KiB
Go
127 lines
3.1 KiB
Go
package util
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import (
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"crypto/md5"
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"crypto/rand"
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"crypto/rsa"
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"crypto/x509"
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"encoding/hex"
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"encoding/pem"
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"errors"
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"fmt"
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"log"
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"net/url"
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"regexp"
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)
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// GenerateUUID 生成UUID
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func GenerateUUID() (uuid string) {
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b := make([]byte, 16)
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_, err := rand.Read(b)
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if err != nil {
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log.Fatal(err)
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}
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uuid = fmt.Sprintf("%X-%X-%X-%X-%X",
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b[0:4], b[4:6], b[6:8], b[8:10], b[10:])
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return
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}
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// RandomString 生成指定长度两倍的随机字符串
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func RandomString(length int) (uuid string) {
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b := make([]byte, length)
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_, err := rand.Read(b)
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if err != nil {
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log.Fatal(err)
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}
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uuid = fmt.Sprintf("%x", b)
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return
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}
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// GenerateSalt 生成 length为16的随机字符串
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func GenerateSalt() (uuid string) {
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b := make([]byte, 8)
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_, err := rand.Read(b)
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if err != nil {
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log.Fatal(err)
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}
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uuid = fmt.Sprintf("%X", b)
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return
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}
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// PasswordEncrypt 密码加密 , (password+salt) md5 * 3
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func PasswordEncrypt(password, salt string) string {
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b := []byte(fmt.Sprint(password, salt)) // 将字符串转换为字节切片
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var r [16]byte
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for i := 0; i < 3; i++ {
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r = md5.Sum(b) // 调用md5.Sum()函数进行加密
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b = []byte(hex.EncodeToString(r[:]))
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}
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return hex.EncodeToString(r[:])
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}
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// ParsePriKeyBytes 解析私钥
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func ParsePriKeyBytes(buf []byte) (*rsa.PrivateKey, error) {
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p := &pem.Block{}
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p, buf = pem.Decode(buf)
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if p == nil {
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return nil, errors.New("private key parse error")
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}
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return x509.ParsePKCS1PrivateKey(p.Bytes)
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}
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// ParsePubKeyBytes 解析公钥
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func ParsePubKeyBytes(buf []byte) (*rsa.PublicKey, error) {
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p, _ := pem.Decode(buf)
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if p == nil {
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return nil, errors.New("parse publicKey content nil")
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}
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pubKey, err := x509.ParsePKCS1PublicKey(p.Bytes)
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if err != nil {
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return nil, errors.New("x509.ParsePKCS1PublicKey error")
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}
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return pubKey, nil
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}
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// ValidDomain 域名校验(http://example.xxx)
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func ValidDomain(s string) bool {
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return regexp.MustCompile(`^(http|https)://[a-zA-Z0-9]+(\.[a-zA-Z0-9]+)*\.[a-z]{2,6}(:[0-9]{1,5})?$`).MatchString(s)
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}
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// ValidIPHost 校验是否符合http|https//ip 格式
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func ValidIPHost(s string) bool {
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return regexp.MustCompile(`^(http|https)://(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})(:[0-9]{1,5})?$`).MatchString(s)
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}
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// ValidURL 校验http链接是否是符合规范的URL
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func ValidURL(s string) bool {
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_, err := url.ParseRequestURI(s)
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if err != nil {
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return false
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}
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return true
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}
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func ValidPwd(s string) error {
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if len(s) < 8 || len(s) > 12 {
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return fmt.Errorf("密码长度不符合规范, 必须为8-10位")
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}
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// 分别校验数字 大小写字母和特殊字符
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num := `[0-9]{1}`
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l := `[a-z]{1}`
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u := `[A-Z]{1}`
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symbol := `[!@#~$%^&*()+|_]{1}`
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if b, err := regexp.MatchString(num, s); !b || err != nil {
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return errors.New("密码必须包含数字 ")
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}
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if b, err := regexp.MatchString(l, s); !b || err != nil {
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return errors.New("密码必须包含小写字母")
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}
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if b, err := regexp.MatchString(u, s); !b || err != nil {
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return errors.New("密码必须包含大写字母")
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}
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if b, err := regexp.MatchString(symbol, s); !b || err != nil {
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return errors.New("密码必须包含特殊字")
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}
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return nil
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}
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