// SessionGet is used to get info for a particular session
func (s *HTTPServer) SessionGet(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
args := structs.SessionSpecificRequest{}
if done := s.parse(resp, req, &args.Datacenter, &args.QueryOptions); done {
return nil, nil
}
// Pull out the session id
args.Session = strings.TrimPrefix(req.URL.Path, "/v1/session/info/")
if args.Session == "" {
resp.WriteHeader(400)
resp.Write([]byte("Missing session"))
return nil, nil
}
var out structs.IndexedSessions
defer setMeta(resp, &out.QueryMeta)
if err := s.agent.RPC("Session.Get", &args, &out); err != nil {
return nil, err
}
// Use empty list instead of nil
if out.Sessions == nil {
out.Sessions = make(structs.Sessions, 0)
}
return out.Sessions, nil
}
// SessionRenew is used to renew the TTL on an existing TTL session
func (s *HTTPServer) SessionRenew(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
// Mandate a PUT request
if req.Method != "PUT" {
resp.WriteHeader(405)
return nil, nil
}
args := structs.SessionSpecificRequest{}
if done := s.parse(resp, req, &args.Datacenter, &args.QueryOptions); done {
return nil, nil
}
// Pull out the session id
args.Session = strings.TrimPrefix(req.URL.Path, "/v1/session/renew/")
if args.Session == "" {
resp.WriteHeader(400)
resp.Write([]byte("Missing session"))
return nil, nil
}
var out structs.IndexedSessions
if err := s.agent.RPC("Session.Renew", &args, &out); err != nil {
return nil, err
} else if out.Sessions == nil {
resp.WriteHeader(404)
resp.Write([]byte(fmt.Sprintf("Session id '%s' not found", args.Session)))
return nil, nil
}
return out.Sessions, nil
}
func TestSession_Renew_ACLDeny(t *testing.T) {
dir1, s1 := testServerWithConfig(t, func(c *Config) {
c.ACLDatacenter = "dc1"
c.ACLMasterToken = "root"
c.ACLDefaultPolicy = "deny"
c.ACLEnforceVersion8 = false
})
defer os.RemoveAll(dir1)
defer s1.Shutdown()
codec := rpcClient(t, s1)
defer codec.Close()
testutil.WaitForLeader(t, s1.RPC, "dc1")
// Create the ACL.
req := structs.ACLRequest{
Datacenter: "dc1",
Op: structs.ACLSet,
ACL: structs.ACL{
Name: "User token",
Type: structs.ACLTypeClient,
Rules: `
session "foo" {
policy = "write"
}
`,
},
WriteRequest: structs.WriteRequest{Token: "root"},
}
var token string
if err := msgpackrpc.CallWithCodec(codec, "ACL.Apply", &req, &token); err != nil {
t.Fatalf("err: %v", err)
}
// Just add a node.
s1.fsm.State().EnsureNode(1, &structs.Node{Node: "foo", Address: "127.0.0.1"})
// Create a session. The token won't matter here since we don't have
// version 8 ACL enforcement on yet.
arg := structs.SessionRequest{
Datacenter: "dc1",
Op: structs.SessionCreate,
Session: structs.Session{
Node: "foo",
Name: "my-session",
},
}
var id string
if err := msgpackrpc.CallWithCodec(codec, "Session.Apply", &arg, &id); err != nil {
t.Fatalf("err: %v", err)
}
// Renew without a token should go through without version 8 ACL
// enforcement.
renewR := structs.SessionSpecificRequest{
Datacenter: "dc1",
Session: id,
}
var session structs.IndexedSessions
if err := msgpackrpc.CallWithCodec(codec, "Session.Renew", &renewR, &session); err != nil {
t.Fatalf("err: %v", err)
}
// Now turn on version 8 enforcement and the renew should be rejected.
s1.config.ACLEnforceVersion8 = true
err := msgpackrpc.CallWithCodec(codec, "Session.Renew", &renewR, &session)
if err == nil || !strings.Contains(err.Error(), permissionDenied) {
t.Fatalf("err: %v", err)
}
// Set the token and it should go through.
renewR.Token = token
if err := msgpackrpc.CallWithCodec(codec, "Session.Renew", &renewR, &session); err != nil {
t.Fatalf("err: %v", err)
}
}
func TestSession_Get_List_NodeSessions_ACLFilter(t *testing.T) {
dir1, s1 := testServerWithConfig(t, func(c *Config) {
c.ACLDatacenter = "dc1"
c.ACLMasterToken = "root"
c.ACLDefaultPolicy = "deny"
c.ACLEnforceVersion8 = false
})
defer os.RemoveAll(dir1)
defer s1.Shutdown()
codec := rpcClient(t, s1)
defer codec.Close()
testutil.WaitForLeader(t, s1.RPC, "dc1")
// Create the ACL.
req := structs.ACLRequest{
Datacenter: "dc1",
Op: structs.ACLSet,
ACL: structs.ACL{
Name: "User token",
Type: structs.ACLTypeClient,
Rules: `
session "foo" {
policy = "read"
}
`,
},
WriteRequest: structs.WriteRequest{Token: "root"},
}
var token string
if err := msgpackrpc.CallWithCodec(codec, "ACL.Apply", &req, &token); err != nil {
t.Fatalf("err: %v", err)
}
// Create a node and a session.
s1.fsm.State().EnsureNode(1, &structs.Node{Node: "foo", Address: "127.0.0.1"})
arg := structs.SessionRequest{
Datacenter: "dc1",
Op: structs.SessionCreate,
Session: structs.Session{
Node: "foo",
},
WriteRequest: structs.WriteRequest{Token: "root"},
}
var out string
if err := msgpackrpc.CallWithCodec(codec, "Session.Apply", &arg, &out); err != nil {
t.Fatalf("err: %v", err)
}
// Perform all the read operations, which should go through since version
// 8 ACL enforcement isn't enabled.
getR := structs.SessionSpecificRequest{
Datacenter: "dc1",
Session: out,
}
{
var sessions structs.IndexedSessions
if err := msgpackrpc.CallWithCodec(codec, "Session.Get", &getR, &sessions); err != nil {
t.Fatalf("err: %v", err)
}
if len(sessions.Sessions) != 1 {
t.Fatalf("bad: %v", sessions.Sessions)
}
}
listR := structs.DCSpecificRequest{
Datacenter: "dc1",
}
{
var sessions structs.IndexedSessions
if err := msgpackrpc.CallWithCodec(codec, "Session.List", &listR, &sessions); err != nil {
t.Fatalf("err: %v", err)
}
if len(sessions.Sessions) != 1 {
t.Fatalf("bad: %v", sessions.Sessions)
}
}
nodeR := structs.NodeSpecificRequest{
Datacenter: "dc1",
Node: "foo",
}
{
var sessions structs.IndexedSessions
if err := msgpackrpc.CallWithCodec(codec, "Session.NodeSessions", &nodeR, &sessions); err != nil {
t.Fatalf("err: %v", err)
}
if len(sessions.Sessions) != 1 {
t.Fatalf("bad: %v", sessions.Sessions)
}
}
// Now turn on version 8 enforcement and make sure everything is empty.
s1.config.ACLEnforceVersion8 = true
{
var sessions structs.IndexedSessions
if err := msgpackrpc.CallWithCodec(codec, "Session.Get", &getR, &sessions); err != nil {
t.Fatalf("err: %v", err)
}
if len(sessions.Sessions) != 0 {
t.Fatalf("bad: %v", sessions.Sessions)
}
}
{
var sessions structs.IndexedSessions
if err := msgpackrpc.CallWithCodec(codec, "Session.List", &listR, &sessions); err != nil {
t.Fatalf("err: %v", err)
}
if len(sessions.Sessions) != 0 {
t.Fatalf("bad: %v", sessions.Sessions)
}
}
{
var sessions structs.IndexedSessions
if err := msgpackrpc.CallWithCodec(codec, "Session.NodeSessions", &nodeR, &sessions); err != nil {
t.Fatalf("err: %v", err)
}
if len(sessions.Sessions) != 0 {
t.Fatalf("bad: %v", sessions.Sessions)
}
}
// Finally, supply the token and make sure the reads are allowed.
getR.Token = token
{
var sessions structs.IndexedSessions
if err := msgpackrpc.CallWithCodec(codec, "Session.Get", &getR, &sessions); err != nil {
t.Fatalf("err: %v", err)
}
if len(sessions.Sessions) != 1 {
t.Fatalf("bad: %v", sessions.Sessions)
}
}
listR.Token = token
{
var sessions structs.IndexedSessions
if err := msgpackrpc.CallWithCodec(codec, "Session.List", &listR, &sessions); err != nil {
t.Fatalf("err: %v", err)
}
if len(sessions.Sessions) != 1 {
t.Fatalf("bad: %v", sessions.Sessions)
}
}
nodeR.Token = token
{
var sessions structs.IndexedSessions
if err := msgpackrpc.CallWithCodec(codec, "Session.NodeSessions", &nodeR, &sessions); err != nil {
t.Fatalf("err: %v", err)
}
if len(sessions.Sessions) != 1 {
t.Fatalf("bad: %v", sessions.Sessions)
}
}
// Try to get a session that doesn't exist to make sure that's handled
// correctly by the filter (it will get passed a nil slice).
getR.Session = "adf4238a-882b-9ddc-4a9d-5b6758e4159e"
{
var sessions structs.IndexedSessions
if err := msgpackrpc.CallWithCodec(codec, "Session.Get", &getR, &sessions); err != nil {
t.Fatalf("err: %v", err)
}
if len(sessions.Sessions) != 0 {
t.Fatalf("bad: %v", sessions.Sessions)
}
}
}