forgejo/modules/repository/license.go
Lunny Xiao b9df9fa2e2
Move createrepository from module to service layer (#26927)
Repository creation depends on many models, so moving it to service
layer is better.
2023-09-06 12:08:51 +00:00

113 lines
2.8 KiB
Go

// Copyright 2023 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package repository
import (
"bufio"
"bytes"
"fmt"
"regexp"
"strings"
"code.gitea.io/gitea/modules/options"
)
type LicenseValues struct {
Owner string
Email string
Repo string
Year string
}
func GetLicense(name string, values *LicenseValues) ([]byte, error) {
data, err := options.License(name)
if err != nil {
return nil, fmt.Errorf("GetRepoInitFile[%s]: %w", name, err)
}
return fillLicensePlaceholder(name, values, data), nil
}
func fillLicensePlaceholder(name string, values *LicenseValues, origin []byte) []byte {
placeholder := getLicensePlaceholder(name)
scanner := bufio.NewScanner(bytes.NewReader(origin))
output := bytes.NewBuffer(nil)
for scanner.Scan() {
line := scanner.Text()
if placeholder.MatchLine == nil || placeholder.MatchLine.MatchString(line) {
for _, v := range placeholder.Owner {
line = strings.ReplaceAll(line, v, values.Owner)
}
for _, v := range placeholder.Email {
line = strings.ReplaceAll(line, v, values.Email)
}
for _, v := range placeholder.Repo {
line = strings.ReplaceAll(line, v, values.Repo)
}
for _, v := range placeholder.Year {
line = strings.ReplaceAll(line, v, values.Year)
}
}
output.WriteString(line + "\n")
}
return output.Bytes()
}
type licensePlaceholder struct {
Owner []string
Email []string
Repo []string
Year []string
MatchLine *regexp.Regexp
}
func getLicensePlaceholder(name string) *licensePlaceholder {
// Some universal placeholders.
// If you want to add a new one, make sure you have check it by `grep -r 'NEW_WORD' options/license` and all of them are placeholders.
ret := &licensePlaceholder{
Owner: []string{
"<name of author>",
"<owner>",
"[NAME]",
"[name of copyright owner]",
"[name of copyright holder]",
"<COPYRIGHT HOLDERS>",
"<copyright holders>",
"<AUTHOR>",
"<author's name or designee>",
"[one or more legally recognised persons or entities offering the Work under the terms and conditions of this Licence]",
},
Email: []string{
"[EMAIL]",
},
Repo: []string{
"<program>",
"<one line to give the program's name and a brief idea of what it does.>",
},
Year: []string{
"<year>",
"[YEAR]",
"{YEAR}",
"[yyyy]",
"[Year]",
"[year]",
},
}
// Some special placeholders for specific licenses.
// It's unsafe to apply them to all licenses.
switch name {
case "0BSD":
return &licensePlaceholder{
Owner: []string{"AUTHOR"},
Email: []string{"EMAIL"},
Year: []string{"YEAR"},
MatchLine: regexp.MustCompile(`Copyright \(C\) YEAR by AUTHOR EMAIL`), // there is another AUTHOR in the file, but it's not a placeholder
}
// Other special placeholders can be added here.
}
return ret
}