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261540ad42
Bumps [github.com/gookit/config/v2](https://github.com/gookit/config) from 2.2.7 to 2.2.8. - [Release notes](https://github.com/gookit/config/releases) - [Commits](https://github.com/gookit/config/compare/v2.2.7...v2.2.8) --- updated-dependencies: - dependency-name: github.com/gookit/config/v2 dependency-version: 2.2.8 dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com>
92 lines
2.3 KiB
Go
92 lines
2.3 KiB
Go
package strutil
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import (
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"crypto/rand"
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"fmt"
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"math/big"
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"strings"
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"github.com/gookit/goutil/byteutil"
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)
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// Md5 Generate a 32-bit md5 string
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func Md5(src any) string { return string(Md5Bytes(src)) }
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// MD5 Generate a 32-bit md5 string
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func MD5(src any) string { return Md5(src) }
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// GenMd5 Generate a 32-bit md5 string
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func GenMd5(src any) string { return Md5(src) }
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// Md5Simple md5 加密原始二进制的每个byte转为 base62，缩短长度(16)
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func Md5Simple(src any) string {
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md5Bytes := byteutil.Md5Sum(src)
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b62str := new(strings.Builder)
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b62str.Grow(16)
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// 直接将每个 byte 转为 base62 数字然后拼接
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for _, b := range md5Bytes {
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b62str.WriteByte(Base62Chars[b%0x3E])
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}
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return b62str.String()
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}
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// Md5Base62 md5 加密原始二进制的转为 base62 字符串，缩短长度(21~22)
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func Md5Base62(src any) string {
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md5Bytes := byteutil.Md5Sum(src)
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// Step 2: 将字节数组转为 big.Int
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number := new(big.Int)
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number.SetBytes(md5Bytes)
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// Step 3: 转换为 Base62 字符串
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base62 := new(strings.Builder)
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// base62.Grow(22)
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for number.Sign() > 0 {
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remainder := new(big.Int)
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number.DivMod(number, big.NewInt(62), remainder)
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base62.WriteByte(Base62Chars[remainder.Int64()])
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}
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// 反转字符串以得到正确的顺序
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runes := []rune(base62.String())
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for i, j := 0, len(runes)-1; i < j; i, j = i+1, j-1 {
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runes[i], runes[j] = runes[j], runes[i]
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}
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return string(runes)
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}
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// Md5Bytes Generate a 32-bit md5 bytes
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func Md5Bytes(src any) []byte { return byteutil.Md5(src) }
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// ShortMd5 Generate a 16-bit md5 string. remove the first 8 and last 8 bytes from 32-bit md5 string.
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func ShortMd5(src any) string { return string(byteutil.ShortMd5(src)) }
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//
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// ----------------------- Simple UUID -----------------------------
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//
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// UUIDv4 Generate a simple UUIDv4 string
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func UUIDv4() (string, error) {
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b := make([]byte, 16)
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if _, err := rand.Read(b); err != nil {
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return "", fmt.Errorf("generate UUID fail: %w", err)
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}
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// 设置版本（4）和变体
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b[6] = (b[6] & 0x0f) | 0x40 // Version 4
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b[8] = (b[8] & 0x3f) | 0x80 // Variant 10
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return fmt.Sprintf("%x-%x-%x-%x-%x", b[0:4], b[4:6], b[6:8], b[8:10], b[10:16]), nil
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}
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// ShortUUID Generate a short UUID (8 characters)
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func ShortUUID() string {
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b := make([]byte, 4)
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if _, err := rand.Read(b); err != nil {
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return fmt.Sprintf("%04x", b)
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}
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return fmt.Sprintf("%08x", b)
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}
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