forked from neuvector/neuvector
/
ibmcloud.go
203 lines (174 loc) · 4.77 KB
/
ibmcloud.go
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package scan
import (
"bytes"
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"net/url"
"strings"
log "github.com/sirupsen/logrus"
"github.com/neuvector/neuvector/share"
)
const grantType = "urn:ibm:params:oauth:grant-type:apikey"
type ibmcloud struct {
base
account string // get from cmd: ibmcloud cr info
iamOauthToken string
apiClient *http.Client
images map[string][]*ibmImage
}
type ibmImage struct {
RepoTags []string `json:"RepoTags"`
}
func (r *ibmcloud) ibmUrl(pathTemplate string, args ...interface{}) string {
pathSuffix := fmt.Sprintf(pathTemplate, args...)
ur := fmt.Sprintf("%s%s", r.regURL, pathSuffix)
return ur
}
type authToken struct {
AccessToken string `json:"access_token"`
}
func (r *ibmcloud) newApiClient(password, ibmTokenUrl string) error {
var err error
r.apiClient, err = newHttpClient(r.proxy, false)
if err != nil {
return err
}
if err = r.aquireToken(password, ibmTokenUrl); err == nil {
return nil
}
if strings.Contains(err.Error(), "x509:") {
r.apiClient, err = newHttpClient(r.proxy, true)
if err != nil {
return err
}
return r.aquireToken(password, ibmTokenUrl)
} else {
return err
}
}
func (r *ibmcloud) aquireToken(password, ibmTokenUrl string) error {
params := url.Values{}
params.Add("grant_type", grantType)
params.Add("apikey", password)
var data []byte
data = []byte(params.Encode())
request, err := http.NewRequest("POST", ibmTokenUrl, bytes.NewReader(data))
request.Header.Set("Content-Type", "application/x-www-form-urlencoded")
request.Header.Set("Accept", "application/json")
response, err := r.apiClient.Do(request)
if err != nil {
smd.scanLog.WithFields(log.Fields{"error": err}).Error("get IBM Cloud IAM access token fail")
return err
}
if response.StatusCode != http.StatusOK {
smd.scanLog.WithFields(log.Fields{"StatusCode": response.StatusCode}).Debug("aquire token fail")
return fmt.Errorf("fail to get the IBM Cloud IAM access token")
}
defer response.Body.Close()
var authToken authToken
decoder := json.NewDecoder(response.Body)
err = decoder.Decode(&authToken)
if err != nil {
return err
}
r.iamOauthToken = authToken.AccessToken
return nil
}
func (r *ibmcloud) Login(cfg *share.CLUSRegistryConfig) (error, string) {
r.account = cfg.IBMCloudAccount
if err := r.newApiClient(cfg.Password, cfg.IBMCloudTokenURL); err != nil {
return err, err.Error()
}
r.newRegClient(cfg.Registry, cfg.Username, cfg.Password)
r.images = make(map[string][]*ibmImage)
return nil, ""
}
func (r *ibmcloud) getImages() ([]ibmImage, error) {
ur := r.ibmUrl("api/v1/images")
smd.scanLog.WithFields(log.Fields{"url": ur}).Debug("")
request, err := http.NewRequest("GET", ur, nil)
request.Header.Set("Authorization", fmt.Sprintf("Bearer %s", r.iamOauthToken))
request.Header.Set("Account", r.account)
resp, err := r.apiClient.Do(request)
if err != nil {
smd.scanLog.WithFields(log.Fields{"error": err}).Debug("get images fail")
return nil, err
}
defer resp.Body.Close()
data, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, err
}
var repos []ibmImage
err = json.Unmarshal(data, &repos)
if err != nil {
return nil, err
}
return repos, nil
}
func (r *ibmcloud) GetRepoList(org, name string, limit int) ([]*share.CLUSImage, error) {
smd.scanLog.Debug("")
if !strings.Contains(name, "*") {
if org == "" {
return []*share.CLUSImage{&share.CLUSImage{Repo: name}}, nil
} else {
return []*share.CLUSImage{&share.CLUSImage{Repo: fmt.Sprintf("%s/%s", org, name)}}, nil
}
}
images, err := r.getImages()
if err != nil {
return nil, err
}
r.images = make(map[string][]*ibmImage)
repos := make([]*share.CLUSImage, 0)
for _, im := range images {
image := &ibmImage{RepoTags: im.RepoTags}
for _, rep := range im.RepoTags {
if repo := getRepoName(rep); repo != "" {
if ims, ok := r.images[repo]; ok {
ims = append(ims, image)
r.images[repo] = ims
} else {
r.images[repo] = []*ibmImage{image}
}
}
}
}
for rep, _ := range r.images {
image := &share.CLUSImage{Repo: rep}
repos = append(repos, image)
}
return repos, nil
}
func (r *ibmcloud) GetTagList(doamin, repo, tag string) ([]string, error) {
smd.scanLog.Debug("")
images, ok := r.images[repo]
if !ok {
return nil, fmt.Errorf("repository for tag not found")
}
tags := make([]string, 0)
for _, image := range images {
for _, rep := range image.RepoTags {
if name := getRepoName(rep); name == repo {
if a := strings.LastIndex(rep, ":"); a > 0 {
tag := rep[a+1:]
tags = append(tags, tag)
}
}
}
}
return tags, nil
}
func getRepoName(repo string) string {
var name string
// remove the hostname
if a := strings.Index(repo, "/"); a > 0 {
name = repo[a+1:]
}
if a := strings.LastIndex(name, ":"); a > 0 {
name = name[:a]
}
return name
}