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// Copyright 2014 The Gogs Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package base
import (
"crypto/sha256"
"encoding/base64"
"encoding/hex"
"errors"
"fmt"
"os"
"path/filepath"
"runtime"
"strconv"
"strings"
"unicode/utf8"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/log"
"github.com/dustin/go-humanize"
)
// 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
}
if username, password, ok := strings.Cut(string(s), ":"); ok {
return username, password, nil
}
return "", "", errors.New("invalid basic authentication")
}
// 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) {
if strs == nil {
return nil, nil
}
ints := make([]int64, 0, len(strs))
for _, s := range strs {
n, err := strconv.ParseInt(s, 10, 64)
if err != nil {
return nil, err
}
ints = append(ints, 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
}
// 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)
}
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