From e68b9d00a6e05b3a941f63ffb696f91e554ac5ec Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel@debian.org>
Date: Fri, 18 Oct 2024 20:33:49 +0200
Subject: Adding upstream version 9.0.3.

Signed-off-by: Daniel Baumann <daniel@debian.org>
---
 modules/base/tool.go | 168 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 168 insertions(+)
 create mode 100644 modules/base/tool.go

(limited to 'modules/base/tool.go')

diff --git a/modules/base/tool.go b/modules/base/tool.go
new file mode 100644
index 0000000..02f1db5
--- /dev/null
+++ b/modules/base/tool.go
@@ -0,0 +1,168 @@
+// 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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