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 (
"encoding/json"
"net/http"
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"os"
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"strconv"
"strings"
"time"
"github.com/vmware/harbor/dao"
"github.com/vmware/harbor/models"
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"
"github.com/vmware/harbor/utils/registry/auth"
"github.com/vmware/harbor/utils/registry/errors"
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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.
// For repostiories, we won't check the session in this API due to search functionality, querying manifest will be contorlled by
// the security of registry
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type RepositoryAPI struct {
BaseAPI
userID int
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username string
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registry *registry.Registry
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}
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// Prepare will set a non existent user ID in case the request tries to view repositories under a project he doesn't has permission.
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func (ra *RepositoryAPI) Prepare() {
userID, ok := ra.GetSession("userId").(int)
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if !ok {
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ra.userID = dao.NonExistUserID
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} else {
ra.userID = userID
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}
username, ok := ra.GetSession("username").(string)
if !ok {
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log.Warning("failed to get username from session")
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ra.username = ""
} else {
ra.username = username
}
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var client *http.Client
//no session, initialize a standard auth handler
if ra.userID == dao.NonExistUserID && len(ra.username) == 0 {
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username, password, _ := ra.Ctx.Request.BasicAuth()
credential := auth.NewBasicAuthCredential(username, password)
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client = registry.NewClientStandardAuthHandlerEmbeded(credential)
log.Debug("initializing standard auth handler")
} else {
// session works, initialize a username auth handler
username := ra.username
if len(username) == 0 {
user, err := dao.GetUser(models.User{
UserID: ra.userID,
})
if err != nil {
log.Errorf("error occurred whiling geting user for initializing a username auth handler: %v", err)
return
}
username = user.Username
}
client = registry.NewClientUsernameAuthHandlerEmbeded(username)
log.Debug("initializing username auth handler: %s", username)
}
endpoint := os.Getenv("REGISTRY_URL")
r, err := registry.New(endpoint, client)
if err != nil {
log.Fatalf("error occurred while initializing auth handler for repository API: %v", err)
}
ra.registry = r
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}
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// Get ...
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func (ra *RepositoryAPI) Get() {
projectID, err0 := ra.GetInt64("project_id")
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if err0 != nil {
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log.Errorf("Failed to get project id, error: %v", err0)
ra.RenderError(http.StatusBadRequest, "Invalid project id")
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return
}
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p, err := dao.GetProjectByID(projectID)
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if err != nil {
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log.Errorf("Error occurred in GetProjectById, error: %v", err)
ra.CustomAbort(http.StatusInternalServerError, "Internal error.")
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}
if p == nil {
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log.Warningf("Project with Id: %d does not exist", projectID)
ra.RenderError(http.StatusNotFound, "")
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return
}
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if p.Public == 0 && !checkProjectPermission(ra.userID, projectID) {
ra.RenderError(http.StatusForbidden, "")
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return
}
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repoList, err := svc_utils.GetRepoFromCache()
if err != nil {
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log.Errorf("Failed to get repo from cache, error: %v", err)
ra.RenderError(http.StatusInternalServerError, "internal sever error")
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}
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projectName := p.Name
q := ra.GetString("q")
var resp []string
if len(q) > 0 {
for _, r := range repoList {
if strings.Contains(r, "/") && strings.Contains(r[strings.LastIndex(r, "/")+1:], q) && r[0:strings.LastIndex(r, "/")] == projectName {
resp = append(resp, r)
}
}
ra.Data["json"] = resp
} else if len(projectName) > 0 {
for _, r := range repoList {
if strings.Contains(r, "/") && r[0:strings.LastIndex(r, "/")] == projectName {
resp = append(resp, r)
}
}
ra.Data["json"] = resp
} else {
ra.Data["json"] = repoList
}
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")
}
tags := []string{}
tag := ra.GetString("tag")
if len(tag) == 0 {
tagList, err := ra.registry.ListTag(repoName)
if err != nil {
e, ok := errors.ParseError(err)
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if ok {
log.Info(e)
ra.CustomAbort(e.StatusCode, e.Message)
} else {
log.Error(err)
ra.CustomAbort(http.StatusInternalServerError, "internal error")
}
}
tags = append(tags, tagList...)
} else {
tags = append(tags, tag)
}
for _, t := range tags {
if err := ra.registry.DeleteTag(repoName, t); err != nil {
e, ok := errors.ParseError(err)
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if ok {
ra.CustomAbort(e.StatusCode, e.Message)
} else {
log.Error(err)
ra.CustomAbort(http.StatusInternalServerError, "internal error")
}
}
log.Infof("delete tag: %s %s", repoName, t)
}
go func() {
log.Debug("refreshing catalog cache")
if err := svc_utils.RefreshCatalogCache(); err != nil {
log.Errorf("error occurred while refresh catalog cache: %v", err)
}
}()
}
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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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type histroyItem struct {
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V1Compatibility string `json:"v1Compatibility"`
}
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type manifest struct {
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Name string `json:"name"`
Tag string `json:"tag"`
Architecture string `json:"architecture"`
SchemaVersion int `json:"schemaVersion"`
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History []histroyItem `json:"history"`
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}
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// GetTags handles GET /api/repositories/tags
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func (ra *RepositoryAPI) GetTags() {
var tags []string
repoName := ra.GetString("repo_name")
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tags, err := ra.registry.ListTag(repoName)
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if err != nil {
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e, ok := errors.ParseError(err)
if ok {
log.Info(e)
ra.CustomAbort(e.StatusCode, e.Message)
} else {
log.Error(err)
ra.CustomAbort(http.StatusInternalServerError, "internal error")
}
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}
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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")
item := models.RepoItem{}
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_, _, payload, err := ra.registry.PullManifest(repoName, tag, registry.ManifestVersion1)
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if err != nil {
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e, ok := errors.ParseError(err)
if ok {
log.Info(e)
ra.CustomAbort(e.StatusCode, e.Message)
} else {
log.Error(err)
ra.CustomAbort(http.StatusInternalServerError, "internal error")
}
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}
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mani := manifest{}
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err = json.Unmarshal(payload, &mani)
if err != nil {
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log.Errorf("Failed to decode json from response for manifests, repo name: %s, tag: %s, error: %v", repoName, tag, err)
ra.RenderError(http.StatusInternalServerError, "Internal Server Error")
return
}
v1Compatibility := mani.History[0].V1Compatibility
err = json.Unmarshal([]byte(v1Compatibility), &item)
if err != nil {
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log.Errorf("Failed to decode V1 field for repo, repo name: %s, tag: %s, error: %v", repoName, tag, err)
ra.RenderError(http.StatusInternalServerError, "Internal Server Error")
return
}
item.DurationDays = strconv.Itoa(int(time.Since(item.Created).Hours()/24)) + " days"
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ra.Data["json"] = item
ra.ServeJSON()
}