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authcontext.go
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/
authcontext.go
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// Copyright Project Harbor Authors
//
// 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.
package authcontext
import (
"bytes"
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"strconv"
"strings"
"github.com/goharbor/harbor/src/common"
"github.com/goharbor/harbor/src/common/models"
"github.com/goharbor/harbor/src/common/utils"
http_error "github.com/goharbor/harbor/src/common/utils/error"
"github.com/goharbor/harbor/src/common/utils/log"
)
const (
// AuthTokenHeader is the key of auth token header
AuthTokenHeader = "x-xenon-auth-token"
sysAdminRole = "CLOUD_ADMIN"
projectAdminRole = "PROJECT_ADMIN"
developerRole = "PROJECT_MEMBER"
guestRole = "PROJECT_VIEWER"
)
type project struct {
SelfLink string `json:"documentSelfLink"`
Name string `json:"name"`
Roles []string `json:"roles"`
Properties map[string]string `json:"customProperties"`
}
// AuthContext ...
type AuthContext struct {
PrincipalID string `json:"id"`
Name string `json:"name"`
Email string `json:"email"`
Roles []string `json:"roles"`
Projects []*project `json:"projects"`
}
// IsSysAdmin ...
func (a *AuthContext) IsSysAdmin() bool {
for _, role := range a.Roles {
if role == sysAdminRole {
return true
}
}
return false
}
// GetProjectRoles ...
func (a *AuthContext) GetProjectRoles(projectIDOrName interface{}) []int {
id, name, err := utils.ParseProjectIDOrName(projectIDOrName)
if err != nil {
log.Errorf("failed to parse project ID or name: %v", err)
return []int{}
}
roles := []string{}
for _, project := range a.Projects {
p := convertProject(project)
if id != 0 && p.ProjectID == id || len(name) > 0 && p.Name == name {
roles = append(roles, project.Roles...)
break
}
}
return convertRoles(roles)
}
// GetMyProjects returns all projects which the user is a member of
func (a *AuthContext) GetMyProjects() []*models.Project {
projects := []*models.Project{}
for _, project := range a.Projects {
projects = append(projects, convertProject(project))
}
return projects
}
// convert project returned by Admiral to project used in Harbor
func convertProject(p *project) *models.Project {
project := &models.Project{
Name: p.Name,
}
index := ""
if p.Properties != nil {
index = p.Properties["__projectIndex"]
}
if len(index) == 0 {
log.Errorf("property __projectIndex not found when parsing project")
return project
}
id, err := strconv.ParseInt(index, 10, 64)
if err != nil {
log.Errorf("failed to parse __projectIndex %s: %v", index, err)
return project
}
project.ProjectID = id
return project
}
// convert roles defined by Admiral to roles used in Harbor
func convertRoles(roles []string) []int {
list := []int{}
for _, role := range roles {
switch role {
case projectAdminRole:
list = append(list, common.RoleProjectAdmin)
case developerRole:
list = append(list, common.RoleDeveloper)
case guestRole:
list = append(list, common.RoleGuest)
default:
log.Warningf("unknow role: %s", role)
}
}
return list
}
// GetAuthCtx returns the auth context of the current user
func GetAuthCtx(client *http.Client, url, token string) (*AuthContext, error) {
req, err := http.NewRequest(http.MethodGet, buildCurrentUserAuthCtxURL(url), nil)
if err != nil {
return nil, err
}
req.Header.Add(AuthTokenHeader, token)
return send(client, req)
}
// Login with credential and returns auth context and error
func Login(client *http.Client, url, username, password, token string) (*AuthContext, error) {
data, err := json.Marshal(&struct {
Password string `json:"password"`
}{
Password: password,
})
if err != nil {
return nil, err
}
req, err := http.NewRequest(http.MethodPost, buildLoginURL(url, username), bytes.NewBuffer(data))
if err != nil {
return nil, err
}
req.Header.Add(AuthTokenHeader, token)
return send(client, req)
}
func send(client *http.Client, req *http.Request) (*AuthContext, error) {
resp, err := client.Do(req)
if err != nil {
log.Debugf("\"%s %s\" failed", req.Method, req.URL.String())
return nil, err
}
defer resp.Body.Close()
log.Debugf("\"%s %s\" %d", req.Method, req.URL.String(), resp.StatusCode)
data, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, err
}
if resp.StatusCode != http.StatusOK {
return nil, &http_error.HTTPError{
StatusCode: resp.StatusCode,
Detail: string(data),
}
}
ctx := &AuthContext{}
if err = json.Unmarshal(data, ctx); err != nil {
return nil, err
}
return ctx, nil
}
func buildCurrentUserAuthCtxURL(url string) string {
return strings.TrimRight(url, "/") + "/auth/session"
}
func buildLoginURL(url, principalID string) string {
return fmt.Sprintf("%s/auth/idm/principals/%s/security-context",
strings.TrimRight(url, "/"), principalID)
}