harbor/api/repository.go

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/*
Copyright (c) 2016 VMware, Inc. All Rights Reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
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package api
import (
"fmt"
"io/ioutil"
"net/http"
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"os"
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"sort"
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"strconv"
"strings"
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"github.com/docker/distribution/manifest/schema1"
"github.com/docker/distribution/manifest/schema2"
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"github.com/vmware/harbor/dao"
"github.com/vmware/harbor/models"
"github.com/vmware/harbor/service/cache"
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svc_utils "github.com/vmware/harbor/service/utils"
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"github.com/vmware/harbor/utils/log"
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"github.com/vmware/harbor/utils/registry"
registry_error "github.com/vmware/harbor/utils/registry/error"
"github.com/vmware/harbor/utils/registry/auth"
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)
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// RepositoryAPI handles request to /api/repositories /api/repositories/tags /api/repositories/manifests, the parm has to be put
// in the query string as the web framework can not parse the URL if it contains veriadic sectors.
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type RepositoryAPI struct {
BaseAPI
}
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// Get ...
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func (ra *RepositoryAPI) Get() {
projectID, err := ra.GetInt64("project_id")
if err != nil || projectID <= 0 {
ra.CustomAbort(http.StatusBadRequest, "invalid project_id")
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}
page, pageSize := ra.getPaginationParams()
project, err := dao.GetProjectByID(projectID)
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if err != nil {
log.Errorf("failed to get project %d: %v", projectID, err)
ra.CustomAbort(http.StatusInternalServerError, "")
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}
if project == nil {
ra.CustomAbort(http.StatusNotFound, fmt.Sprintf("project %d not found", projectID))
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}
if project.Public == 0 {
var userID int
if svc_utils.VerifySecret(ra.Ctx.Request) {
userID = 1
} else {
userID = ra.ValidateUser()
}
if !checkProjectPermission(userID, projectID) {
ra.CustomAbort(http.StatusForbidden, "")
}
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}
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repositories, err := getReposByProject(project.Name, ra.GetString("q"))
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if err != nil {
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log.Errorf("failed to get repository: %v", err)
ra.CustomAbort(http.StatusInternalServerError, "")
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}
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total := int64(len(repositories))
if (page-1)*pageSize > total {
repositories = []string{}
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} else {
repositories = repositories[(page-1)*pageSize:]
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}
if page*pageSize <= total {
repositories = repositories[:pageSize]
}
ra.setPaginationHeader(total, page, pageSize)
ra.Data["json"] = repositories
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ra.ServeJSON()
}
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// Delete ...
func (ra *RepositoryAPI) Delete() {
repoName := ra.GetString("repo_name")
if len(repoName) == 0 {
ra.CustomAbort(http.StatusBadRequest, "repo_name is nil")
}
projectName := getProjectName(repoName)
project, err := dao.GetProjectByName(projectName)
if err != nil {
log.Errorf("failed to get project %s: %v", projectName, err)
ra.CustomAbort(http.StatusInternalServerError, "")
}
if project == nil {
ra.CustomAbort(http.StatusNotFound, fmt.Sprintf("project %s not found", projectName))
}
if project.Public == 0 {
userID := ra.ValidateUser()
if !hasProjectAdminRole(userID, project.ProjectID) {
ra.CustomAbort(http.StatusForbidden, "")
}
}
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rc, err := ra.initRepositoryClient(repoName)
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if err != nil {
log.Errorf("error occurred while initializing repository client for %s: %v", repoName, err)
ra.CustomAbort(http.StatusInternalServerError, "internal error")
}
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tags := []string{}
tag := ra.GetString("tag")
if len(tag) == 0 {
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tagList, err := rc.ListTag()
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if err != nil {
if regErr, ok := err.(*registry_error.Error); ok {
ra.CustomAbort(regErr.StatusCode, regErr.Detail)
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}
log.Errorf("error occurred while listing tags of %s: %v", repoName, err)
ra.CustomAbort(http.StatusInternalServerError, "internal error")
}
// TODO remove the logic if the bug of registry is fixed
if len(tagList) == 0 {
ra.CustomAbort(http.StatusNotFound, http.StatusText(http.StatusNotFound))
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}
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tags = append(tags, tagList...)
} else {
tags = append(tags, tag)
}
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user, _, ok := ra.Ctx.Request.BasicAuth()
if !ok {
user, err = ra.getUsername()
if err != nil {
log.Errorf("failed to get user: %v", err)
}
}
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for _, t := range tags {
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if err := rc.DeleteTag(t); err != nil {
if regErr, ok := err.(*registry_error.Error); ok {
ra.CustomAbort(regErr.StatusCode, regErr.Detail)
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}
log.Errorf("error occurred while deleting tags of %s: %v", repoName, err)
ra.CustomAbort(http.StatusInternalServerError, "internal error")
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}
log.Infof("delete tag: %s %s", repoName, t)
go TriggerReplicationByRepository(repoName, []string{t}, models.RepOpDelete)
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go func(tag string) {
if err := dao.AccessLog(user, projectName, repoName, tag, "delete"); err != nil {
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log.Errorf("failed to add access log: %v", err)
}
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}(t)
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}
go func() {
log.Debug("refreshing catalog cache")
if err := cache.RefreshCatalogCache(); err != nil {
log.Errorf("error occurred while refresh catalog cache: %v", err)
}
}()
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}
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type tag struct {
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Name string `json:"name"`
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Tags []string `json:"tags"`
}
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// GetTags handles GET /api/repositories/tags
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func (ra *RepositoryAPI) GetTags() {
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repoName := ra.GetString("repo_name")
if len(repoName) == 0 {
ra.CustomAbort(http.StatusBadRequest, "repo_name is nil")
}
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projectName := getProjectName(repoName)
project, err := dao.GetProjectByName(projectName)
if err != nil {
log.Errorf("failed to get project %s: %v", projectName, err)
ra.CustomAbort(http.StatusInternalServerError, "")
}
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if project == nil {
ra.CustomAbort(http.StatusNotFound, fmt.Sprintf("project %s not found", projectName))
}
if project.Public == 0 {
userID := ra.ValidateUser()
if !checkProjectPermission(userID, project.ProjectID) {
ra.CustomAbort(http.StatusForbidden, "")
}
}
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rc, err := ra.initRepositoryClient(repoName)
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if err != nil {
log.Errorf("error occurred while initializing repository client for %s: %v", repoName, err)
ra.CustomAbort(http.StatusInternalServerError, "internal error")
}
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tags := []string{}
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ts, err := rc.ListTag()
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if err != nil {
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regErr, ok := err.(*registry_error.Error)
if !ok {
log.Errorf("error occurred while listing tags of %s: %v", repoName, err)
ra.CustomAbort(http.StatusInternalServerError, "internal error")
}
// TODO remove the logic if the bug of registry is fixed
// It's a workaround for a bug of registry: when listing tags of
// a repository which is being pushed, a "NAME_UNKNOWN" error will
// been returned, while the catalog API can list this repository.
if regErr.StatusCode != http.StatusNotFound {
ra.CustomAbort(regErr.StatusCode, regErr.Detail)
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}
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}
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tags = append(tags, ts...)
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sort.Strings(tags)
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ra.Data["json"] = tags
ra.ServeJSON()
}
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// GetManifests handles GET /api/repositories/manifests
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func (ra *RepositoryAPI) GetManifests() {
repoName := ra.GetString("repo_name")
tag := ra.GetString("tag")
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if len(repoName) == 0 || len(tag) == 0 {
ra.CustomAbort(http.StatusBadRequest, "repo_name or tag is nil")
}
version := ra.GetString("version")
if len(version) == 0 {
version = "v2"
}
if version != "v1" && version != "v2" {
ra.CustomAbort(http.StatusBadRequest, "version should be v1 or v2")
}
projectName := getProjectName(repoName)
project, err := dao.GetProjectByName(projectName)
if err != nil {
log.Errorf("failed to get project %s: %v", projectName, err)
ra.CustomAbort(http.StatusInternalServerError, "")
}
if project == nil {
ra.CustomAbort(http.StatusNotFound, fmt.Sprintf("project %s not found", projectName))
}
if project.Public == 0 {
userID := ra.ValidateUser()
if !checkProjectPermission(userID, project.ProjectID) {
ra.CustomAbort(http.StatusForbidden, "")
}
}
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rc, err := ra.initRepositoryClient(repoName)
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if err != nil {
log.Errorf("error occurred while initializing repository client for %s: %v", repoName, err)
ra.CustomAbort(http.StatusInternalServerError, "internal error")
}
result := struct {
Manifest interface{} `json:"manifest"`
Config interface{} `json:"config,omitempty" `
}{}
mediaTypes := []string{}
switch version {
case "v1":
mediaTypes = append(mediaTypes, schema1.MediaTypeManifest)
case "v2":
mediaTypes = append(mediaTypes, schema2.MediaTypeManifest)
}
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_, mediaType, payload, err := rc.PullManifest(tag, mediaTypes)
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if err != nil {
if regErr, ok := err.(*registry_error.Error); ok {
ra.CustomAbort(regErr.StatusCode, regErr.Detail)
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}
log.Errorf("error occurred while getting manifest of %s:%s: %v", repoName, tag, err)
ra.CustomAbort(http.StatusInternalServerError, "internal error")
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}
manifest, _, err := registry.UnMarshal(mediaType, payload)
if err != nil {
log.Errorf("an error occurred while parsing manifest of %s:%s: %v", repoName, tag, err)
ra.CustomAbort(http.StatusInternalServerError, "")
}
result.Manifest = manifest
deserializedmanifest, ok := manifest.(*schema2.DeserializedManifest)
if ok {
_, data, err := rc.PullBlob(deserializedmanifest.Target().Digest.String())
if err != nil {
log.Errorf("failed to get config of manifest %s:%s: %v", repoName, tag, err)
ra.CustomAbort(http.StatusInternalServerError, "")
}
b, err := ioutil.ReadAll(data)
if err != nil {
log.Errorf("failed to read config of manifest %s:%s: %v", repoName, tag, err)
ra.CustomAbort(http.StatusInternalServerError, "")
}
result.Config = string(b)
}
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ra.Data["json"] = result
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ra.ServeJSON()
}
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func (ra *RepositoryAPI) initRepositoryClient(repoName string) (r *registry.Repository, err error) {
endpoint := os.Getenv("REGISTRY_URL")
username, password, ok := ra.Ctx.Request.BasicAuth()
if ok {
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return newRepositoryClient(endpoint, getIsInsecure(), username, password,
repoName, "repository", repoName, "pull", "push", "*")
}
username, err = ra.getUsername()
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if err != nil {
return nil, err
}
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return cache.NewRepositoryClient(endpoint, getIsInsecure(), username, repoName,
"repository", repoName, "pull", "push", "*")
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}
func (ra *RepositoryAPI) getUsername() (string, error) {
// get username from session
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sessionUsername := ra.GetSession("username")
if sessionUsername != nil {
username, ok := sessionUsername.(string)
if ok {
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return username, nil
}
}
// if username does not exist in session, try to get userId from sessiion
// and then get username from DB according to the userId
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sessionUserID := ra.GetSession("userId")
if sessionUserID != nil {
userID, ok := sessionUserID.(int)
if ok {
u := models.User{
UserID: userID,
}
user, err := dao.GetUser(u)
if err != nil {
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return "", err
}
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return user.Username, nil
}
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}
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return "", nil
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}
//GetTopRepos handles request GET /api/repositories/top
func (ra *RepositoryAPI) GetTopRepos() {
var err error
var countNum int
count := ra.GetString("count")
if len(count) == 0 {
countNum = 10
} else {
countNum, err = strconv.Atoi(count)
if err != nil {
log.Errorf("Get parameters error--count, err: %v", err)
ra.CustomAbort(http.StatusBadRequest, "bad request of count")
}
if countNum <= 0 {
log.Warning("count must be a positive integer")
ra.CustomAbort(http.StatusBadRequest, "count is 0 or negative")
}
}
repos, err := dao.GetTopRepos(countNum)
if err != nil {
log.Errorf("error occured in get top 10 repos: %v", err)
ra.CustomAbort(http.StatusInternalServerError, "internal server error")
}
ra.Data["json"] = repos
ra.ServeJSON()
}
func newRepositoryClient(endpoint string, insecure bool, username, password, repository, scopeType, scopeName string,
scopeActions ...string) (*registry.Repository, error) {
credential := auth.NewBasicAuthCredential(username, password)
authorizer := auth.NewStandardTokenAuthorizer(credential, insecure, scopeType, scopeName, scopeActions...)
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store, err := auth.NewAuthorizerStore(endpoint, insecure, authorizer)
if err != nil {
return nil, err
}
client, err := registry.NewRepositoryWithModifiers(repository, endpoint, insecure, store)
if err != nil {
return nil, err
}
return client, nil
}
func getProjectName(repository string) string {
project := ""
if strings.Contains(repository, "/") {
project = repository[0:strings.LastIndex(repository, "/")]
}
return project
}