// 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 }