forgejo/modules/base/tool.go
Gusted 0d8478cff8
[GITEA] Drop sha256-simd in favor of stdlib
- In Go 1.21 the crypto/sha256 [got a massive
improvement](https://go.dev/doc/go1.21#crypto/sha256) by utilizing the
SHA instructions for AMD64 CPUs, which sha256-simd already was doing.
The performance is now on par and I think it's preferable to use the
standard library rather than a package when possible.

```
cpu: AMD Ryzen 5 3600X 6-Core Processor
                │  simd.txt   │               go.txt                │
                │   sec/op    │    sec/op     vs base               │
Hash/8Bytes-12    63.25n ± 1%    73.38n ± 1%  +16.02% (p=0.002 n=6)
Hash/64Bytes-12   98.73n ± 1%   105.30n ± 1%   +6.65% (p=0.002 n=6)
Hash/1K-12        567.2n ± 1%    572.8n ± 1%   +0.99% (p=0.002 n=6)
Hash/8K-12        4.062µ ± 1%    4.062µ ± 1%        ~ (p=0.396 n=6)
Hash/1M-12        512.1µ ± 0%    510.6µ ± 1%        ~ (p=0.485 n=6)
Hash/5M-12        2.556m ± 1%    2.564m ± 0%        ~ (p=0.093 n=6)
Hash/10M-12       5.112m ± 0%    5.127m ± 0%        ~ (p=0.093 n=6)
geomean           13.82µ         14.27µ        +3.28%

                │   simd.txt   │               go.txt                │
                │     B/s      │     B/s       vs base               │
Hash/8Bytes-12    120.6Mi ± 1%   104.0Mi ± 1%  -13.81% (p=0.002 n=6)
Hash/64Bytes-12   618.2Mi ± 1%   579.8Mi ± 1%   -6.22% (p=0.002 n=6)
Hash/1K-12        1.682Gi ± 1%   1.665Gi ± 1%   -0.98% (p=0.002 n=6)
Hash/8K-12        1.878Gi ± 1%   1.878Gi ± 1%        ~ (p=0.310 n=6)
Hash/1M-12        1.907Gi ± 0%   1.913Gi ± 1%        ~ (p=0.485 n=6)
Hash/5M-12        1.911Gi ± 1%   1.904Gi ± 0%        ~ (p=0.093 n=6)
Hash/10M-12       1.910Gi ± 0%   1.905Gi ± 0%        ~ (p=0.093 n=6)
geomean           1.066Gi        1.032Gi        -3.18%
```

(cherry picked from commit abd94ff5b5)
(cherry picked from commit 15e81637ab)

Conflicts:
	go.mod
	https://codeberg.org/forgejo/forgejo/pulls/1581
(cherry picked from commit 5caea2d75aeac78fb306f58a3cf7809d5b70c7f2)
(cherry picked from commit 08da542cce)
(cherry picked from commit d71a8cc9fb)
(cherry picked from commit 63c9fc2bee)
(cherry picked from commit e1db85d48a)
(cherry picked from commit 5e86a5d2d1)
2023-11-13 14:06:31 +01:00

269 lines
6.7 KiB
Go

// Copyright 2014 The Gogs Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package base
import (
"crypto/md5"
"crypto/sha1"
"crypto/sha256"
"encoding/base64"
"encoding/hex"
"errors"
"fmt"
"os"
"path/filepath"
"runtime"
"strconv"
"strings"
"time"
"unicode"
"unicode/utf8"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"github.com/dustin/go-humanize"
)
// EncodeMD5 encodes string to md5 hex value.
func EncodeMD5(str string) string {
m := md5.New()
_, _ = m.Write([]byte(str))
return hex.EncodeToString(m.Sum(nil))
}
// EncodeSha1 string to sha1 hex value.
func EncodeSha1(str string) string {
h := sha1.New()
_, _ = h.Write([]byte(str))
return hex.EncodeToString(h.Sum(nil))
}
// EncodeSha256 string to sha256 hex value.
func EncodeSha256(str string) string {
h := sha256.New()
_, _ = h.Write([]byte(str))
return hex.EncodeToString(h.Sum(nil))
}
// ShortSha is basically just truncating.
// It is DEPRECATED and will be removed in the future.
func ShortSha(sha1 string) string {
return TruncateString(sha1, 10)
}
// BasicAuthDecode decode basic auth string
func BasicAuthDecode(encoded string) (string, string, error) {
s, err := base64.StdEncoding.DecodeString(encoded)
if err != nil {
return "", "", err
}
auth := strings.SplitN(string(s), ":", 2)
if len(auth) != 2 {
return "", "", errors.New("invalid basic authentication")
}
return auth[0], auth[1], nil
}
// BasicAuthEncode encode basic auth string
func BasicAuthEncode(username, password string) string {
return base64.StdEncoding.EncodeToString([]byte(username + ":" + password))
}
// VerifyTimeLimitCode verify time limit code
func VerifyTimeLimitCode(data string, minutes int, code string) bool {
if len(code) <= 18 {
return false
}
// split code
start := code[:12]
lives := code[12:18]
if d, err := strconv.ParseInt(lives, 10, 0); err == nil {
minutes = int(d)
}
// right active code
retCode := CreateTimeLimitCode(data, minutes, start)
if retCode == code && minutes > 0 {
// check time is expired or not
before, _ := time.ParseInLocation("200601021504", start, time.Local)
now := time.Now()
if before.Add(time.Minute*time.Duration(minutes)).Unix() > now.Unix() {
return true
}
}
return false
}
// TimeLimitCodeLength default value for time limit code
const TimeLimitCodeLength = 12 + 6 + 40
// CreateTimeLimitCode create a time limit code
// code format: 12 length date time string + 6 minutes string + 40 sha1 encoded string
func CreateTimeLimitCode(data string, minutes int, startInf any) string {
format := "200601021504"
var start, end time.Time
var startStr, endStr string
if startInf == nil {
// Use now time create code
start = time.Now()
startStr = start.Format(format)
} else {
// use start string create code
startStr = startInf.(string)
start, _ = time.ParseInLocation(format, startStr, time.Local)
startStr = start.Format(format)
}
end = start.Add(time.Minute * time.Duration(minutes))
endStr = end.Format(format)
// create sha1 encode string
sh := sha1.New()
_, _ = sh.Write([]byte(fmt.Sprintf("%s%s%s%s%d", data, setting.SecretKey, startStr, endStr, minutes)))
encoded := hex.EncodeToString(sh.Sum(nil))
code := fmt.Sprintf("%s%06d%s", startStr, minutes, encoded)
return code
}
// FileSize calculates the file size and generate user-friendly string.
func FileSize(s int64) string {
return humanize.IBytes(uint64(s))
}
// EllipsisString returns a truncated short string,
// it appends '...' in the end of the length of string is too large.
func EllipsisString(str string, length int) string {
if length <= 3 {
return "..."
}
if utf8.RuneCountInString(str) <= length {
return str
}
return string([]rune(str)[:length-3]) + "..."
}
// TruncateString returns a truncated string with given limit,
// it returns input string if length is not reached limit.
func TruncateString(str string, limit int) string {
if utf8.RuneCountInString(str) < limit {
return str
}
return string([]rune(str)[:limit])
}
// StringsToInt64s converts a slice of string to a slice of int64.
func StringsToInt64s(strs []string) ([]int64, error) {
ints := make([]int64, len(strs))
for i := range strs {
n, err := strconv.ParseInt(strs[i], 10, 64)
if err != nil {
return ints, err
}
ints[i] = n
}
return ints, nil
}
// Int64sToStrings converts a slice of int64 to a slice of string.
func Int64sToStrings(ints []int64) []string {
strs := make([]string, len(ints))
for i := range ints {
strs[i] = strconv.FormatInt(ints[i], 10)
}
return strs
}
// Int64sContains returns if a int64 in a slice of int64
func Int64sContains(intsSlice []int64, a int64) bool {
for _, c := range intsSlice {
if c == a {
return true
}
}
return false
}
// IsLetter reports whether the rune is a letter (category L).
// https://github.com/golang/go/blob/c3b4918/src/go/scanner/scanner.go#L342
func IsLetter(ch rune) bool {
return 'a' <= ch && ch <= 'z' || 'A' <= ch && ch <= 'Z' || ch == '_' || ch >= 0x80 && unicode.IsLetter(ch)
}
// EntryIcon returns the octicon class for displaying files/directories
func EntryIcon(entry *git.TreeEntry) string {
switch {
case entry.IsLink():
te, err := entry.FollowLink()
if err != nil {
log.Debug(err.Error())
return "file-symlink-file"
}
if te.IsDir() {
return "file-directory-symlink"
}
return "file-symlink-file"
case entry.IsDir():
return "file-directory-fill"
case entry.IsSubModule():
return "file-submodule"
}
return "file"
}
// SetupGiteaRoot Sets GITEA_ROOT if it is not already set and returns the value
func SetupGiteaRoot() string {
giteaRoot := os.Getenv("GITEA_ROOT")
if giteaRoot == "" {
_, filename, _, _ := runtime.Caller(0)
giteaRoot = strings.TrimSuffix(filename, "modules/base/tool.go")
wd, err := os.Getwd()
if err != nil {
rel, err := filepath.Rel(giteaRoot, wd)
if err != nil && strings.HasPrefix(filepath.ToSlash(rel), "../") {
giteaRoot = wd
}
}
if _, err := os.Stat(filepath.Join(giteaRoot, "gitea")); os.IsNotExist(err) {
giteaRoot = ""
} else if err := os.Setenv("GITEA_ROOT", giteaRoot); err != nil {
giteaRoot = ""
}
}
return giteaRoot
}
// FormatNumberSI format a number
func FormatNumberSI(data any) string {
var num int64
if num1, ok := data.(int64); ok {
num = num1
} else if num1, ok := data.(int); ok {
num = int64(num1)
} else {
return ""
}
if num < 1000 {
return fmt.Sprintf("%d", num)
} else if num < 1000000 {
num2 := float32(num) / float32(1000.0)
return fmt.Sprintf("%.1fk", num2)
} else if num < 1000000000 {
num2 := float32(num) / float32(1000000.0)
return fmt.Sprintf("%.1fM", num2)
}
num2 := float32(num) / float32(1000000000.0)
return fmt.Sprintf("%.1fG", num2)
}