k3s/vendor/github.com/tools/godep/license.go

60 lines
1.3 KiB
Go

package main
import (
"strings"
)
// LicenseFilePrefix is a list of filename prefixes that indicate it
// might contain a software license
var LicenseFilePrefix = []string{
"licence", // UK spelling
"license", // US spelling
"copying",
"unlicense",
"copyright",
"copyleft",
"authors",
"contributors",
}
// LegalFileSubstring are substrings that indicate the file is likely
// to contain some type of legal declaration. "legal" is often used
// that it might moved to LicenseFilePrefix
var LegalFileSubstring = []string{
"legal",
"notice",
"disclaimer",
"patent",
"third-party",
"thirdparty",
}
// IsLicenseFile returns true if the filename might be contain a
// software license
func IsLicenseFile(filename string) bool {
lowerfile := strings.ToLower(filename)
for _, prefix := range LicenseFilePrefix {
if strings.HasPrefix(lowerfile, prefix) {
return true
}
}
return false
}
// IsLegalFile returns true if the file is likely to contain some type
// of of legal declaration or licensing information
func IsLegalFile(filename string) bool {
lowerfile := strings.ToLower(filename)
for _, prefix := range LicenseFilePrefix {
if strings.HasPrefix(lowerfile, prefix) {
return true
}
}
for _, substring := range LegalFileSubstring {
if strings.Contains(lowerfile, substring) {
return true
}
}
return false
}