mirror of https://github.com/docker/compose.git
85 lines
2.0 KiB
Go
85 lines
2.0 KiB
Go
/*
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Copyright 2020 Docker Compose CLI authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package utils
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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pluginmanager "github.com/docker/cli/cli-plugins/manager"
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"github.com/docker/cli/cli/command"
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cliConfig "github.com/docker/cli/cli/config"
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)
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// DisplayScanSuggestMsg displlay a message suggesting users can scan new image
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func DisplayScanSuggestMsg() {
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if os.Getenv("DOCKER_SCAN_SUGGEST") == "false" {
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return
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}
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if !scanAvailable() {
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return
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}
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if scanAlreadyInvoked() {
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return
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}
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fmt.Fprintf(os.Stderr, "\nUse 'docker scan' to run Snyk tests against images to find vulnerabilities and learn how to fix them\n")
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}
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func scanAlreadyInvoked() bool {
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filename := filepath.Join(cliConfig.Dir(), "scan", "config.json")
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f, err := os.Stat(filename)
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if os.IsNotExist(err) {
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return false
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}
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if f.IsDir() { // should never happen, do not bother user with suggestion if something goes wrong
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return true
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}
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type scanOptin struct {
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Optin bool `json:"optin"`
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}
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data, err := ioutil.ReadFile(filename)
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if err != nil {
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return true
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}
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scanConfig := scanOptin{}
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err = json.Unmarshal(data, &scanConfig)
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if err != nil {
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return true
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}
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return scanConfig.Optin
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}
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func scanAvailable() bool {
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cli, err := command.NewDockerCli()
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if err != nil {
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return false
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}
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plugins, err := pluginmanager.ListPlugins(cli, nil)
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if err != nil {
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return false
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}
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for _, plugin := range plugins {
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if plugin.Name == "scan" {
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return true
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}
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}
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return false
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}
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