Namespace requests coming via api & web

This commit is contained in:
Ben Toogood
2020-04-02 17:01:06 +01:00
parent 0241197c6a
commit 4999f6dfd4
6 changed files with 189 additions and 86 deletions

View File

@@ -21,8 +21,6 @@ var (
ErrInvalidRole = errors.New("invalid role")
// ErrForbidden is returned when a user does not have the necessary roles to access a resource
ErrForbidden = errors.New("resource forbidden")
// BearerScheme used for Authorization header
BearerScheme = "Bearer "
)
// Auth providers authentication and authorization
@@ -50,11 +48,13 @@ type Auth interface {
// Resource is an entity such as a user or
type Resource struct {
// Name of the resource
Name string
Name string `json:"name"`
// Type of resource, e.g.
Type string
Type string `json:"type"`
// Endpoint resource e.g NotesService.Create
Endpoint string
Endpoint string `json:"endpoint"`
// Namespace the resource belongs to
Namespace string `json:"namespace"`
}
// Account provided by an auth provider
@@ -69,7 +69,7 @@ type Account struct {
Roles []string `json:"roles"`
// Any other associated metadata
Metadata map[string]string `json:"metadata"`
// Namespace the account belongs to, default blank
// Namespace the account belongs to
Namespace string `json:"namespace"`
// Secret for the account, e.g. the password
Secret string `json:"secret"`
@@ -88,12 +88,18 @@ type Token struct {
}
const (
// DefaultNamespace used for auth
DefaultNamespace = "micro"
// NamespaceKey is the key used when storing the namespace in metadata
NamespaceKey = "Micro-Namespace"
// MetadataKey is the key used when storing the account in metadata
MetadataKey = "auth-account"
// TokenCookieName is the name of the cookie which stores the auth token
TokenCookieName = "micro-token"
// SecretCookieName is the name of the cookie which stores the auth secret
SecretCookieName = "micro-secret"
// BearerScheme used for Authorization header
BearerScheme = "Bearer "
)
// AccountFromContext gets the account from the context, which

View File

@@ -38,10 +38,11 @@ func (n *noop) Generate(id string, opts ...GenerateOption) (*Account, error) {
options := NewGenerateOptions(opts...)
return &Account{
ID: id,
Roles: options.Roles,
Secret: options.Secret,
Metadata: options.Metadata,
ID: id,
Roles: options.Roles,
Secret: options.Secret,
Metadata: options.Metadata,
Namespace: DefaultNamespace,
}, nil
}
@@ -63,7 +64,8 @@ func (n *noop) Verify(acc *Account, res *Resource) error {
// Inspect a token
func (n *noop) Inspect(token string) (*Account, error) {
return &Account{
ID: uuid.New().String(),
ID: uuid.New().String(),
Namespace: DefaultNamespace,
}, nil
}

View File

@@ -272,6 +272,7 @@ type Resource struct {
Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
Type string `protobuf:"bytes,2,opt,name=type,proto3" json:"type,omitempty"`
Endpoint string `protobuf:"bytes,3,opt,name=endpoint,proto3" json:"endpoint,omitempty"`
Namespace string `protobuf:"bytes,4,opt,name=namespace,proto3" json:"namespace,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
@@ -323,6 +324,13 @@ func (m *Resource) GetEndpoint() string {
return ""
}
func (m *Resource) GetNamespace() string {
if m != nil {
return m.Namespace
}
return ""
}
type GenerateRequest struct {
Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
Roles []string `protobuf:"bytes,2,rep,name=roles,proto3" json:"roles,omitempty"`
@@ -1123,12 +1131,12 @@ func init() {
}
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}

View File

@@ -46,6 +46,7 @@ message Resource{
string name = 1;
string type = 2;
string endpoint = 3;
string namespace = 4;
}
message GenerateRequest {

View File

@@ -132,9 +132,10 @@ func (s *svc) Grant(role string, res *auth.Resource) error {
Role: role,
Access: pb.Access_GRANTED,
Resource: &pb.Resource{
Type: res.Type,
Name: res.Name,
Endpoint: res.Endpoint,
Namespace: res.Namespace,
Type: res.Type,
Name: res.Name,
Endpoint: res.Endpoint,
},
})
return err
@@ -146,9 +147,10 @@ func (s *svc) Revoke(role string, res *auth.Resource) error {
Role: role,
Access: pb.Access_GRANTED,
Resource: &pb.Resource{
Type: res.Type,
Name: res.Name,
Endpoint: res.Endpoint,
Namespace: res.Namespace,
Type: res.Type,
Name: res.Name,
Endpoint: res.Endpoint,
},
})
return err
@@ -157,10 +159,11 @@ func (s *svc) Revoke(role string, res *auth.Resource) error {
// Verify an account has access to a resource
func (s *svc) Verify(acc *auth.Account, res *auth.Resource) error {
queries := [][]string{
{res.Type, res.Name, res.Endpoint}, // check for specific role, e.g. service.foo.ListFoo:admin (role is checked in accessForRule)
{res.Type, res.Name, "*"}, // check for wildcard endpoint, e.g. service.foo*
{res.Type, "*"}, // check for wildcard name, e.g. service.*
{"*"}, // check for wildcard type, e.g. *
{res.Namespace, res.Type, res.Name, res.Endpoint}, // check for specific role, e.g. service.foo.ListFoo:admin (role is checked in accessForRule)
{res.Namespace, res.Type, res.Name, "*"}, // check for wildcard endpoint, e.g. service.foo*
{res.Namespace, res.Type, "*"}, // check for wildcard name, e.g. service.*
{res.Namespace, "*"}, // check for wildcard type, e.g. *
{"*"}, // check for wildcard namespace
}
// endpoint is a url which can have wildcard excludes, e.g.
@@ -172,23 +175,30 @@ func (s *svc) Verify(acc *auth.Account, res *auth.Resource) error {
}
}
// set a default account id to log
logID := acc.ID
if len(logID) == 0 {
logID = "[no account]"
}
for _, q := range queries {
for _, rule := range s.listRules(q...) {
switch accessForRule(rule, acc, res) {
case pb.Access_UNKNOWN:
continue // rule did not specify access, check the next rule
case pb.Access_GRANTED:
log.Infof("%v granted access to %v:%v:%v by rule %v", acc.ID, res.Type, res.Name, res.Endpoint, rule.Id)
log.Infof("%v:%v granted access to %v:%v:%v:%v by rule %v", acc.Namespace, logID, res.Namespace, res.Type, res.Name, res.Endpoint, rule.Id)
return nil // rule grants the account access to the resource
case pb.Access_DENIED:
log.Infof("%v denied access to %v:%v:%v by rule %v", acc.ID, res.Type, res.Name, res.Endpoint, rule.Id)
log.Infof("%v:%v denied access to %v:%v:%v:%v by rule %v", acc.Namespace, logID, res.Namespace, res.Type, res.Name, res.Endpoint, rule.Id)
return auth.ErrForbidden // rule denies access to the resource
}
}
}
// no rules were found for the resource, default to denying access
log.Infof("%v denied access to %v:%v:%v by lack of rule (%v rules found)", acc.ID, res.Type, res.Name, res.Endpoint, len(s.rules))
log.Infof("%v:%v denied access to %v:%v:%v:%v by lack of rule (%v rules found for namespace)", acc.Namespace, logID, res.Namespace, res.Type, res.Name, res.Endpoint, len(s.listRules(res.Namespace)))
fmt.Println(s.rules)
return auth.ErrForbidden
}
@@ -249,19 +259,28 @@ func accessForRule(rule *pb.Rule, acc *auth.Account, res *auth.Resource) pb.Acce
return pb.Access_UNKNOWN
}
// listRules gets all the rules from the store which have an id
// prefix matching the filters
// listRules gets all the rules from the store which match the filters.
// filters are namespace, type, name and then endpoint.
func (s *svc) listRules(filters ...string) []*pb.Rule {
s.Lock()
defer s.Unlock()
prefix := strings.Join(filters, ruleJoinKey)
var rules []*pb.Rule
for _, r := range s.rules {
if strings.HasPrefix(r.Id, prefix) {
rules = append(rules, r)
if len(filters) > 0 && r.Resource.Namespace != filters[0] {
continue
}
if len(filters) > 1 && r.Resource.Type != filters[1] {
continue
}
if len(filters) > 2 && r.Resource.Name != filters[2] {
continue
}
if len(filters) > 3 && r.Resource.Endpoint != filters[3] {
continue
}
rules = append(rules, r)
}
return rules