d785fc2a54
* adjust GNUmakefile by using ... wildcard go command excludes vendored packages from ... wildcard Go1.9 or later * fix vet warnings * fmt
150 lines
3.4 KiB
Go
150 lines
3.4 KiB
Go
/* Vuls - Vulnerability Scanner
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Copyright (C) 2016 Future Corporation , Japan.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package util
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import (
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"fmt"
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"net/url"
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"strings"
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"github.com/future-architect/vuls/config"
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)
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// GenWorkers generates goroutine
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// http://qiita.com/na-o-ys/items/65373132b1c5bc973cca
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func GenWorkers(num int) chan<- func() {
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tasks := make(chan func())
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for i := 0; i < num; i++ {
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go func() {
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defer func() {
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if p := recover(); p != nil {
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log := NewCustomLogger(config.ServerInfo{})
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log.Debugf("Panic: %s", p)
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}
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}()
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for f := range tasks {
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f()
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}
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}()
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}
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return tasks
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}
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// AppendIfMissing append to the slice if missing
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func AppendIfMissing(slice []string, s string) []string {
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for _, ele := range slice {
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if ele == s {
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return slice
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}
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}
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return append(slice, s)
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}
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// URLPathJoin make URL
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func URLPathJoin(baseURL string, paths ...string) (string, error) {
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baseURL = strings.TrimSuffix(baseURL, "/")
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trimedPaths := []string{}
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for _, path := range paths {
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trimed := strings.Trim(path, " /")
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if len(trimed) != 0 {
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trimedPaths = append(trimedPaths, trimed)
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}
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}
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var url *url.URL
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url, err := url.Parse(baseURL)
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if err != nil {
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return "", err
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}
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url.Path += strings.Join(trimedPaths, "/")
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return url.String(), nil
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}
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// URLPathParamJoin make URL
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func URLPathParamJoin(baseURL string, paths []string, params map[string]string) (string, error) {
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urlPath, err := URLPathJoin(baseURL, paths...)
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if err != nil {
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return "", err
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}
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u, err := url.Parse(urlPath)
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if err != nil {
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return "", err
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}
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parameters := url.Values{}
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for key := range params {
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parameters.Add(key, params[key])
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}
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u.RawQuery = parameters.Encode()
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return u.String(), nil
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}
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// ProxyEnv returns shell environment variables to set proxy
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func ProxyEnv() string {
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httpProxyEnv := ""
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keys := []string{
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"http_proxy",
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"https_proxy",
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"HTTP_PROXY",
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"HTTPS_PROXY",
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}
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for _, key := range keys {
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httpProxyEnv += fmt.Sprintf(
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` %s="%s"`, key, config.Conf.HTTPProxy)
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}
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return httpProxyEnv
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}
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// PrependProxyEnv prepends proxy environment variable
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func PrependProxyEnv(cmd string) string {
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if len(config.Conf.HTTPProxy) == 0 {
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return cmd
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}
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return fmt.Sprintf("%s %s", ProxyEnv(), cmd)
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}
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// func unixtime(s string) (time.Time, error) {
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// i, err := strconv.ParseInt(s, 10, 64)
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// if err != nil {
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// return time.Time{}, err
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// }
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// return time.Unix(i, 0), nil
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// }
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// Truncate truncates string to the length
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func Truncate(str string, length int) string {
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if length < 0 {
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return str
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}
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if length <= len(str) {
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return str[:length]
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}
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return str
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}
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// Distinct a slice
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func Distinct(ss []string) (distincted []string) {
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m := map[string]bool{}
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for _, s := range ss {
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if _, found := m[s]; !found {
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m[s] = true
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distincted = append(distincted, s)
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}
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}
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return
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}
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