mirror of
https://github.com/gravitl/netmaker.git
synced 2024-09-20 15:26:04 +08:00
261 lines
8.8 KiB
Go
261 lines
8.8 KiB
Go
package auth
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"net/http"
|
|
"time"
|
|
|
|
"github.com/gorilla/mux"
|
|
"github.com/gravitl/netmaker/logger"
|
|
"github.com/gravitl/netmaker/logic"
|
|
"github.com/gravitl/netmaker/logic/pro"
|
|
"github.com/gravitl/netmaker/logic/pro/netcache"
|
|
"github.com/gravitl/netmaker/models"
|
|
"github.com/gravitl/netmaker/models/promodels"
|
|
)
|
|
|
|
var (
|
|
redirectUrl string
|
|
)
|
|
|
|
// HandleNodeSSOCallback handles the callback from the sso endpoint
|
|
// It is the analogue of auth.handleNodeSSOCallback but takes care of the end point flow
|
|
// Retrieves the mkey from the state cache and adds the machine to the users email namespace
|
|
// TODO: A confirmation page for new machines should be added to avoid phishing vulnerabilities
|
|
// TODO: Add groups information from OIDC tokens into machine HostInfo
|
|
// Listens in /oidc/callback.
|
|
func HandleNodeSSOCallback(w http.ResponseWriter, r *http.Request) {
|
|
|
|
var functions = getCurrentAuthFunctions()
|
|
if functions == nil {
|
|
w.WriteHeader(http.StatusBadRequest)
|
|
w.Write([]byte("bad conf"))
|
|
logger.Log(0, "Missing Oauth config in HandleNodeSSOCallback")
|
|
return
|
|
}
|
|
|
|
state, code := getStateAndCode(r)
|
|
|
|
var userClaims, err = functions[get_user_info].(func(string, string) (*OAuthUser, error))(state, code)
|
|
if err != nil {
|
|
logger.Log(0, "error when getting user info from callback:", err.Error())
|
|
handleOauthNotConfigured(w)
|
|
return
|
|
}
|
|
|
|
if code == "" || state == "" {
|
|
w.WriteHeader(http.StatusBadRequest)
|
|
w.Write([]byte("Wrong params"))
|
|
logger.Log(0, "Missing params in HandleSSOCallback")
|
|
return
|
|
}
|
|
|
|
// all responses should be in html format from here on out
|
|
w.Header().Add("content-type", "text/html; charset=utf-8")
|
|
|
|
// retrieve machinekey from state cache
|
|
reqKeyIf, machineKeyFoundErr := netcache.Get(state)
|
|
if machineKeyFoundErr != nil {
|
|
logger.Log(0, "requested machine state key expired before authorisation completed -", machineKeyFoundErr.Error())
|
|
reqKeyIf = &netcache.CValue{
|
|
Network: "invalid",
|
|
Value: state,
|
|
Pass: "",
|
|
User: "netmaker",
|
|
Expiration: time.Now(),
|
|
}
|
|
response := returnErrTemplate("", "requested machine state key expired before authorisation completed", state, reqKeyIf)
|
|
w.WriteHeader(http.StatusInternalServerError)
|
|
w.Write(response)
|
|
return
|
|
}
|
|
|
|
user, err := isUserIsAllowed(userClaims.getUserName(), reqKeyIf.Network, true)
|
|
if err != nil {
|
|
logger.Log(0, "error occurred during SSO node join for user", userClaims.getUserName(), "on network", reqKeyIf.Network, "-", err.Error())
|
|
response := returnErrTemplate(user.UserName, err.Error(), state, reqKeyIf)
|
|
w.WriteHeader(http.StatusNotAcceptable)
|
|
w.Write(response)
|
|
return
|
|
}
|
|
|
|
logger.Log(1, "registering new node for user:", user.UserName, "on network", reqKeyIf.Network)
|
|
|
|
// Send OK to user in the browser
|
|
var response bytes.Buffer
|
|
if err := ssoCallbackTemplate.Execute(&response, ssoCallbackTemplateConfig{
|
|
User: userClaims.getUserName(),
|
|
Verb: "Authenticated",
|
|
}); err != nil {
|
|
logger.Log(0, "Could not render SSO callback template ", err.Error())
|
|
response := returnErrTemplate(user.UserName, "Could not render SSO callback template", state, reqKeyIf)
|
|
w.WriteHeader(http.StatusInternalServerError)
|
|
w.Write(response)
|
|
|
|
} else {
|
|
w.WriteHeader(http.StatusOK)
|
|
w.Write(response.Bytes())
|
|
}
|
|
|
|
// Need to send access key to the client
|
|
logger.Log(1, "Handling new machine addition to network",
|
|
reqKeyIf.Network, "with key",
|
|
reqKeyIf.Value, " identity:", userClaims.getUserName(), "claims:", fmt.Sprintf("%+v", userClaims))
|
|
|
|
var answer string
|
|
// The registation logic is starting here:
|
|
// we request access key with 1 use for the required network
|
|
accessToken, err := requestAccessKey(reqKeyIf.Network, 1, userClaims.getUserName())
|
|
if err != nil {
|
|
answer = fmt.Sprintf("Error from the netmaker controller %s", err.Error())
|
|
} else {
|
|
answer = fmt.Sprintf("AccessToken: %s", accessToken)
|
|
}
|
|
logger.Log(0, "Updating the token for the client request ... ")
|
|
// Give the user the access token via Pass in the DB
|
|
reqKeyIf.Pass = answer
|
|
if err = netcache.Set(state, reqKeyIf); err != nil {
|
|
logger.Log(0, "machine failed to complete join on network,", reqKeyIf.Network, "-", err.Error())
|
|
return
|
|
}
|
|
}
|
|
|
|
func setNetcache(ncache *netcache.CValue, state string) error {
|
|
if ncache == nil {
|
|
return fmt.Errorf("cache miss")
|
|
}
|
|
var err error
|
|
if err = netcache.Set(state, ncache); err != nil {
|
|
logger.Log(0, "machine failed to complete join on network,", ncache.Network, "-", err.Error())
|
|
}
|
|
return err
|
|
}
|
|
|
|
func returnErrTemplate(uname, message, state string, ncache *netcache.CValue) []byte {
|
|
var response bytes.Buffer
|
|
ncache.Pass = message
|
|
err := ssoErrCallbackTemplate.Execute(&response, ssoCallbackTemplateConfig{
|
|
User: uname,
|
|
Verb: message,
|
|
})
|
|
if err != nil {
|
|
return []byte(err.Error())
|
|
}
|
|
err = setNetcache(ncache, state)
|
|
if err != nil {
|
|
return []byte(err.Error())
|
|
}
|
|
return response.Bytes()
|
|
}
|
|
|
|
// RegisterNodeSSO redirects to the IDP for authentication
|
|
// Puts machine key in cache so the callback can retrieve it using the oidc state param
|
|
// Listens in /oidc/register/:regKey.
|
|
func RegisterNodeSSO(w http.ResponseWriter, r *http.Request) {
|
|
|
|
if auth_provider == nil {
|
|
w.WriteHeader(http.StatusBadRequest)
|
|
w.Write([]byte("invalid login attempt"))
|
|
return
|
|
}
|
|
vars := mux.Vars(r)
|
|
|
|
// machineKeyStr this is not key but state
|
|
machineKeyStr := vars["regKey"]
|
|
logger.Log(1, "requested key:", machineKeyStr)
|
|
|
|
if machineKeyStr == "" {
|
|
w.WriteHeader(http.StatusBadRequest)
|
|
w.Write([]byte("invalid login attempt"))
|
|
return
|
|
}
|
|
|
|
// machineKeyStr this not key but state
|
|
authURL := auth_provider.AuthCodeURL(machineKeyStr)
|
|
//authURL = authURL + "&connector_id=" + "google"
|
|
logger.Log(0, "Redirecting to ", authURL, " for authentication")
|
|
|
|
http.Redirect(w, r, authURL, http.StatusSeeOther)
|
|
|
|
}
|
|
|
|
// == private ==
|
|
// API to create an access key for a given network with a given name
|
|
func requestAccessKey(network string, uses int, name string) (accessKey string, err error) {
|
|
|
|
var sAccessKey models.AccessKey
|
|
var sNetwork models.Network
|
|
|
|
sNetwork, err = logic.GetParentNetwork(network)
|
|
if err != nil {
|
|
logger.Log(0, "err calling GetParentNetwork API=%s", err.Error())
|
|
return "", fmt.Errorf("internal controller error %s", err.Error())
|
|
}
|
|
// If a key already exists, we recreate it.
|
|
// @TODO Is that a preferred handling ? We could also trying to re-use.
|
|
// can happen if user started log in but did not finish
|
|
for _, currentkey := range sNetwork.AccessKeys {
|
|
if currentkey.Name == name {
|
|
logger.Log(0, "erasing existing AccessKey for: ", name)
|
|
err = logic.DeleteKey(currentkey.Name, network)
|
|
if err != nil {
|
|
logger.Log(0, "err calling CreateAccessKey API ", err.Error())
|
|
return "", fmt.Errorf("key already exists. Contact admin to resolve")
|
|
}
|
|
break
|
|
}
|
|
}
|
|
// Only one usage is needed - for the next time new access key will be required
|
|
// it will be created next time after another IdP approval
|
|
sAccessKey.Uses = 1
|
|
sAccessKey.Name = name
|
|
|
|
accessToken, err := logic.CreateAccessKey(sAccessKey, sNetwork)
|
|
if err != nil {
|
|
logger.Log(0, "err calling CreateAccessKey API ", err.Error())
|
|
return "", fmt.Errorf("error from the netmaker controller %s", err.Error())
|
|
} else {
|
|
logger.Log(1, "created access key", sAccessKey.Name, "on", network)
|
|
}
|
|
return accessToken.AccessString, nil
|
|
}
|
|
|
|
func isUserIsAllowed(username, network string, shouldAddUser bool) (*models.User, error) {
|
|
|
|
user, err := logic.GetUser(username)
|
|
if err != nil && shouldAddUser { // user must not exist, so try to make one
|
|
if err = addUser(username); err != nil {
|
|
logger.Log(0, "failed to add user", username, "during a node SSO network join on network", network)
|
|
// response := returnErrTemplate(user.UserName, "failed to add user", state, reqKeyIf)
|
|
// w.WriteHeader(http.StatusInternalServerError)
|
|
// w.Write(response)
|
|
return nil, fmt.Errorf("failed to add user to system")
|
|
}
|
|
logger.Log(0, "user", username, "was added during a node SSO network join on network", network)
|
|
user, _ = logic.GetUser(username)
|
|
}
|
|
|
|
if !user.IsAdmin { // perform check to see if user is allowed to join a node to network
|
|
netUser, err := pro.GetNetworkUser(network, promodels.NetworkUserID(user.UserName))
|
|
if err != nil {
|
|
logger.Log(0, "failed to get net user details for user", user.UserName, "during node SSO")
|
|
return nil, fmt.Errorf("failed to verify network user")
|
|
}
|
|
if netUser.AccessLevel != pro.NET_ADMIN { // if user is a net admin on network, good to go
|
|
// otherwise, check if they have node access + haven't reached node limit on network
|
|
if netUser.AccessLevel == pro.NODE_ACCESS {
|
|
if len(netUser.Nodes) >= netUser.NodeLimit {
|
|
logger.Log(0, "user", user.UserName, "has reached their node limit on network", network)
|
|
return nil, fmt.Errorf("user node limit exceeded")
|
|
}
|
|
} else {
|
|
logger.Log(0, "user", user.UserName, "attempted to access network", network, "via node SSO")
|
|
return nil, fmt.Errorf("network user not allowed")
|
|
}
|
|
}
|
|
}
|
|
|
|
return user, nil
|
|
}
|