nuclei/v2/pkg/utils/utils.go

81 lines
1.4 KiB
Go

package utils
import (
"errors"
"io/ioutil"
"net/http"
"net/url"
"os"
"strings"
)
func IsBlank(value string) bool {
return strings.TrimSpace(value) == ""
}
func IsNotBlank(value string) bool {
return !IsBlank(value)
}
func UnwrapError(err error) error {
for { // get the last wrapped error
unwrapped := errors.Unwrap(err)
if unwrapped == nil {
break
}
err = unwrapped
}
return err
}
// IsURL tests a string to determine if it is a well-structured url or not.
func IsURL(input string) bool {
_, err := url.ParseRequestURI(input)
if err != nil {
return false
}
u, err := url.Parse(input)
if err != nil || u.Scheme == "" || u.Host == "" {
return false
}
return true
}
// ReadFromPathOrURL reads and returns the contents of a file or url.
func ReadFromPathOrURL(templatePath string) (data []byte, err error) {
if IsURL(templatePath) {
resp, err := http.Get(templatePath)
if err != nil {
return nil, err
}
defer resp.Body.Close()
data, err = ioutil.ReadAll(resp.Body)
if err != nil {
return nil, err
}
} else {
f, err := os.Open(templatePath)
if err != nil {
return nil, err
}
defer f.Close()
data, err = ioutil.ReadAll(f)
if err != nil {
return nil, err
}
}
return
}
// StringSliceContains checks if a string slice contains a string.
func StringSliceContains(slice []string, item string) bool {
for _, i := range slice {
if strings.EqualFold(i, item) {
return true
}
}
return false
}