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24d6972f6b
For the "Authorization:" header only lowercase "token" was accepted. This change allows uppercase "Token" as well. Signed-off-by: Nis Wechselberg <enbewe@enbewe.de> Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/8391 Reviewed-by: Gusted <gusted@noreply.codeberg.org> Reviewed-by: Michael Kriese <michael.kriese@gmx.de> Co-authored-by: Nis Wechselberg <enbewe@enbewe.de> Co-committed-by: Nis Wechselberg <enbewe@enbewe.de>
119 lines
2.8 KiB
Go
119 lines
2.8 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package util
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import "unsafe"
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func isSnakeCaseUpper(c byte) bool {
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return 'A' <= c && c <= 'Z'
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}
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func isSnakeCaseLowerOrNumber(c byte) bool {
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return 'a' <= c && c <= 'z' || '0' <= c && c <= '9'
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}
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// ToSnakeCase convert the input string to snake_case format.
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//
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// Some samples.
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//
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// "FirstName" => "first_name"
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// "HTTPServer" => "http_server"
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// "NoHTTPS" => "no_https"
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// "GO_PATH" => "go_path"
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// "GO PATH" => "go_path" // space is converted to underscore.
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// "GO-PATH" => "go_path" // hyphen is converted to underscore.
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func ToSnakeCase(input string) string {
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if len(input) == 0 {
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return ""
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}
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var res []byte
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if len(input) == 1 {
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c := input[0]
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if isSnakeCaseUpper(c) {
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res = []byte{c + 'a' - 'A'}
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} else if isSnakeCaseLowerOrNumber(c) {
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res = []byte{c}
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} else {
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res = []byte{'_'}
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}
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} else {
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res = make([]byte, 0, len(input)*4/3)
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pos := 0
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needSep := false
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for pos < len(input) {
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c := input[pos]
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if c >= 0x80 {
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res = append(res, c)
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pos++
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continue
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}
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isUpper := isSnakeCaseUpper(c)
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if isUpper || isSnakeCaseLowerOrNumber(c) {
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end := pos + 1
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if isUpper {
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// skip the following upper letters
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for end < len(input) && isSnakeCaseUpper(input[end]) {
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end++
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}
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if end-pos > 1 && end < len(input) && isSnakeCaseLowerOrNumber(input[end]) {
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end--
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}
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}
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// skip the following lower or number letters
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for end < len(input) && (isSnakeCaseLowerOrNumber(input[end]) || input[end] >= 0x80) {
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end++
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}
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if needSep {
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res = append(res, '_')
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}
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res = append(res, input[pos:end]...)
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pos = end
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needSep = true
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} else {
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res = append(res, '_')
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pos++
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needSep = false
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}
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}
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for i := 0; i < len(res); i++ {
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if isSnakeCaseUpper(res[i]) {
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res[i] += 'a' - 'A'
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}
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}
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}
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return UnsafeBytesToString(res)
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}
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// UnsafeBytesToString uses Go's unsafe package to convert a byte slice to a string.
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func UnsafeBytesToString(b []byte) string {
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return unsafe.String(unsafe.SliceData(b), len(b))
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}
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// UnsafeStringToBytes uses Go's unsafe package to convert a string to a byte slice.
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func UnsafeStringToBytes(s string) []byte {
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return unsafe.Slice(unsafe.StringData(s), len(s))
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}
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// AsciiEqualFold is taken from Golang, but reimplemented here, since the original is not exposed to public
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// Taken from: https://cs.opensource.google/go/go/+/refs/tags/go1.24.4:src/net/http/internal/ascii/print.go
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func ASCIIEqualFold(s, t string) bool {
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if len(s) != len(t) {
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return false
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}
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for i := 0; i < len(s); i++ {
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if ASCIILower(s[i]) != ASCIILower(t[i]) {
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return false
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}
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}
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return true
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}
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// AsciiLower returns the ASCII lowercase version of b.
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func ASCIILower(b byte) byte {
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if 'A' <= b && b <= 'Z' {
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return b + ('a' - 'A')
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}
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return b
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}
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