// AuthorizeRequest will add authorization header which contains a token before the request is sent
func (t *tokenHandler) AuthorizeRequest(req *http.Request, params map[string]string) error {
var scopes []*scope
var token string
hasFrom := false
from := req.URL.Query().Get("from")
if len(from) != 0 {
s := &scope{
Type: "repository",
Name: from,
Actions: []string{"pull"},
}
scopes = append(scopes, s)
// do not cache the token if "from" appears
hasFrom = true
}
scopes = append(scopes, t.scope)
expired := true
cachedToken, cachedExpiredIn, cachedIssuedAt := t.getCachedToken()
if len(cachedToken) != 0 && cachedExpiredIn != 0 && cachedIssuedAt != nil {
expired = cachedIssuedAt.Add(time.Duration(cachedExpiredIn) * time.Second).Before(time.Now().UTC())
}
if expired || hasFrom {
scopeStrs := []string{}
for _, scope := range scopes {
scopeStrs = append(scopeStrs, scope.string())
}
to, expiresIn, issuedAt, err := t.tg(params["realm"], params["service"], scopeStrs)
if err != nil {
return err
}
token = to
if !hasFrom {
t.updateCachedToken(to, expiresIn, issuedAt)
log.Debug("add token to cache")
}
} else {
token = cachedToken
log.Debug("get token from cache")
}
req.Header.Add(http.CanonicalHeaderKey("Authorization"), fmt.Sprintf("Bearer %s", token))
log.Debugf("add token to request: %s %s", req.Method, req.URL.String())
return nil
}
// Login authenticates user credentials based on setting.
func Login(m models.AuthModel) (*models.User, error) {
var authMode = os.Getenv("AUTH_MODE")
if authMode == "" || m.Principal == "admin" {
authMode = "db_auth"
}
log.Debug("Current AUTH_MODE is ", authMode)
authenticator, ok := registry[authMode]
if !ok {
return nil, fmt.Errorf("Unrecognized auth_mode: %s", authMode)
}
return authenticator.Authenticate(m)
}
// RefreshCatalogCache calls registry's API to get repository list and write it to cache.
func RefreshCatalogCache() error {
log.Debug("refreshing catalog cache...")
if registryClient == nil {
var err error
registryClient, err = registry.NewRegistryWithUsername(endpoint, username)
if err != nil {
log.Errorf("error occurred while initializing registry client used by cache: %v", err)
return err
}
}
var err error
rs, err := registryClient.Catalog()
if err != nil {
return err
}
repos := []string{}
for _, repo := range rs {
rc, ok := repositoryClients[repo]
if !ok {
rc, err = registry.NewRepositoryWithUsername(repo, endpoint, username)
if err != nil {
log.Errorf("error occurred while initializing repository client used by cache: %s %v", repo, err)
continue
}
repositoryClients[repo] = rc
}
tags, err := rc.ListTag()
if err != nil {
log.Errorf("error occurred while list tag for %s: %v", repo, err)
continue
}
if len(tags) != 0 {
repos = append(repos, repo)
log.Debugf("add %s to catalog cache", repo)
}
}
Cache.Put(catalogKey, repos, 600*time.Second)
return nil
}
// 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.Public == 0 {
userID := ra.ValidateUser()
if !hasProjectAdminRole(userID, project.ProjectID) {
ra.CustomAbort(http.StatusForbidden, "")
}
}
rc, err := ra.initRepositoryClient(repoName)
if err != nil {
log.Errorf("error occurred while initializing repository client for %s: %v", repoName, err)
ra.CustomAbort(http.StatusInternalServerError, "internal error")
}
tags := []string{}
tag := ra.GetString("tag")
if len(tag) == 0 {
tagList, err := rc.ListTag()
if err != nil {
if regErr, ok := err.(*registry_error.Error); ok {
ra.CustomAbort(regErr.StatusCode, regErr.Detail)
}
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))
}
tags = append(tags, tagList...)
} else {
tags = append(tags, tag)
}
user, _, ok := ra.Ctx.Request.BasicAuth()
if !ok {
user, err = ra.getUsername()
if err != nil {
log.Errorf("failed to get user: %v", err)
}
}
for _, t := range tags {
if err := rc.DeleteTag(t); err != nil {
if regErr, ok := err.(*registry_error.Error); ok {
ra.CustomAbort(regErr.StatusCode, regErr.Detail)
}
log.Errorf("error occurred while deleting tags of %s: %v", repoName, err)
ra.CustomAbort(http.StatusInternalServerError, "internal error")
}
log.Infof("delete tag: %s %s", repoName, t)
go TriggerReplicationByRepository(repoName, []string{t}, models.RepOpDelete)
go func(tag string) {
if err := dao.AccessLog(user, projectName, repoName, tag, "delete"); err != nil {
log.Errorf("failed to add access log: %v", err)
}
}(t)
}
go func() {
log.Debug("refreshing catalog cache")
if err := cache.RefreshCatalogCache(); err != nil {
log.Errorf("error occurred while refresh catalog cache: %v", err)
}
}()
}
// Authenticate checks user's credential agains LDAP based on basedn template and LDAP URL,
// if the check is successful a dummy record will be insert into DB, such that this user can
// be associated to other entities in the system.
func (l *Auth) Authenticate(m models.AuthModel) (*models.User, error) {
ldapURL := os.Getenv("LDAP_URL")
if ldapURL == "" {
return nil, errors.New("Can not get any available LDAP_URL.")
}
log.Debug("ldapURL:", ldapURL)
p := m.Principal
for _, c := range metaChars {
if strings.ContainsRune(p, c) {
return nil, fmt.Errorf("the principal contains meta char: %q", c)
}
}
ldap, err := openldap.Initialize(ldapURL)
if err != nil {
return nil, err
}
ldap.SetOption(openldap.LDAP_OPT_PROTOCOL_VERSION, openldap.LDAP_VERSION3)
ldapBaseDn := os.Getenv("LDAP_BASE_DN")
if ldapBaseDn == "" {
return nil, errors.New("Can not get any available LDAP_BASE_DN.")
}
baseDn := fmt.Sprintf(ldapBaseDn, m.Principal)
log.Debug("baseDn:", baseDn)
err = ldap.Bind(baseDn, m.Password)
if err != nil {
return nil, err
}
defer ldap.Close()
scope := openldap.LDAP_SCOPE_SUBTREE // LDAP_SCOPE_BASE, LDAP_SCOPE_ONELEVEL, LDAP_SCOPE_SUBTREE
filter := "objectClass=*"
attributes := []string{"mail"}
result, err := ldap.SearchAll(baseDn, scope, filter, attributes)
if err != nil {
return nil, err
}
u := models.User{}
if len(result.Entries()) == 1 {
en := result.Entries()[0]
for _, attr := range en.Attributes() {
val := attr.Values()[0]
if attr.Name() == "mail" {
u.Email = val
}
}
}
u.Username = m.Principal
log.Debug("username:"******",email:", u.Email)
exist, err := dao.UserExists(u, "username")
if err != nil {
return nil, err
}
if exist {
currentUser, err := dao.GetUser(u)
if err != nil {
return nil, err
}
u.UserID = currentUser.UserID
} else {
u.Realname = m.Principal
u.Password = "******"
u.Comment = "registered from LDAP."
userID, err := dao.Register(u)
if err != nil {
return nil, err
}
u.UserID = int(userID)
}
return &u, nil
}
func (u *usernameTokenHandler) generateToken(realm, service string, scopes []string) (token string, expiresIn int, issuedAt *time.Time, err error) {
token, expiresIn, issuedAt, err = token_util.GenTokenForUI(u.username, service, scopes)
log.Debug("get token by calling GenTokenForUI directly")
return
}
func (s *standardTokenHandler) generateToken(realm, service string, scopes []string) (token string, expiresIn int, issuedAt *time.Time, err error) {
u, err := url.Parse(realm)
if err != nil {
return
}
q := u.Query()
q.Add("service", service)
for _, scope := range scopes {
q.Add("scope", scope)
}
u.RawQuery = q.Encode()
r, err := http.NewRequest("GET", u.String(), nil)
if err != nil {
return
}
s.credential.AddAuthorization(r)
resp, err := s.client.Do(r)
if err != nil {
return
}
defer resp.Body.Close()
b, err := ioutil.ReadAll(resp.Body)
if err != nil {
return
}
if resp.StatusCode != http.StatusOK {
err = registry_errors.Error{
StatusCode: resp.StatusCode,
StatusText: resp.Status,
Message: string(b),
}
return
}
tk := struct {
Token string `json:"token"`
ExpiresIn int `json:"expires_in"`
IssuedAt string `json:"issued_at"`
}{}
if err = json.Unmarshal(b, &tk); err != nil {
return
}
token = tk.Token
expiresIn = tk.ExpiresIn
t, err := time.Parse(time.RFC3339, tk.IssuedAt)
if err != nil {
log.Errorf("error occurred while parsing issued_at: %v", err)
err = nil
} else {
issuedAt = &t
}
log.Debug("get token from token server")
return
}