Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
9 changed files
with
1,643 additions
and
6 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,151 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/base64" | ||
| "errors" | ||
| "fmt" | ||
| "net/http" | ||
| "net/http/httputil" | ||
| "net/url" | ||
| "time" | ||
|
|
||
| jwt "github.com/dgrijalva/jwt-go" | ||
| "github.com/spf13/viper" | ||
| "go.uber.org/zap" | ||
| "google.golang.org/grpc" | ||
| "google.golang.org/grpc/codes" | ||
| "google.golang.org/grpc/status" | ||
|
|
||
| cache "github.com/patrickmn/go-cache" | ||
|
|
||
| "github.com/infinimesh/infinimesh/pkg/node/nodepb" | ||
| ) | ||
|
|
||
| var ( | ||
| signingSecret []byte | ||
| accountIDClaim = "account_id" | ||
|
|
||
| nodeserver string | ||
|
|
||
| log *zap.Logger | ||
|
|
||
| accountService nodepb.AccountServiceClient | ||
|
|
||
| userCache *cache.Cache | ||
| ) | ||
|
|
||
| func init() { | ||
| log, _ = zap.NewDevelopment() | ||
|
|
||
| viper.SetDefault("NODE_HOST", "localhost:8082") | ||
| viper.AutomaticEnv() | ||
|
|
||
| nodeserver = viper.GetString("NODE_HOST") | ||
|
|
||
| { | ||
| b64SignSecret := viper.GetString("JWT_SIGNING_KEY") | ||
| if b64SignSecret == "" { | ||
| panic("Invalid signing secret") | ||
| } | ||
| s, err := base64.StdEncoding.DecodeString(b64SignSecret) | ||
| if err != nil { | ||
| panic("Failed to base64 decode sign secret") | ||
| } | ||
| signingSecret = s | ||
| } | ||
|
|
||
| userCache = cache.New(1*time.Second, 5*time.Second) | ||
| } | ||
|
|
||
| func main() { | ||
| u, err := url.Parse("http://localhost:3000") | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| proxy := httputil.NewSingleHostReverseProxy(u) | ||
|
|
||
| c, err := grpc.Dial(nodeserver, grpc.WithInsecure()) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
|
||
| accountService = nodepb.NewAccountServiceClient(c) | ||
|
|
||
| http.HandleFunc("/", handler(proxy)) | ||
| err = http.ListenAndServe(":8080", nil) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| } | ||
|
|
||
| func handler(p *httputil.ReverseProxy) func(http.ResponseWriter, *http.Request) { | ||
| return func(w http.ResponseWriter, r *http.Request) { | ||
| cookie, err := r.Cookie("token") | ||
| if err != nil { | ||
| w.WriteHeader(http.StatusUnauthorized) | ||
| return | ||
| } | ||
|
|
||
| userID, err := ParseJWT(cookie.Value) | ||
| if err != nil { | ||
| log.Error("Failed") | ||
| w.WriteHeader(http.StatusUnauthorized) | ||
| return | ||
| } | ||
|
|
||
| var name string | ||
| if cachedUser, ok := userCache.Get(userID); ok { | ||
| if userString, ok := cachedUser.(string); ok { | ||
| log.Debug("Using cached value", zap.String("userID", userID), zap.String("username", userString)) | ||
| name = userString | ||
| } | ||
| } else { | ||
| acc, err := accountService.GetAccount(context.Background(), &nodepb.GetAccountRequest{ | ||
| Id: userID, | ||
| }) | ||
| if err != nil { | ||
| log.Error("Failed to fetch account", zap.String("userID", userID), zap.Error(err)) | ||
| w.WriteHeader(http.StatusUnauthorized) | ||
| return | ||
| } | ||
| name = acc.Name | ||
|
|
||
| userCache.Add(userID, acc.Name, time.Minute*1) | ||
| } | ||
|
|
||
| r.Header.Set("X-WEBAUTH-USER", name) | ||
| p.ServeHTTP(w, r) | ||
| } | ||
| } | ||
|
|
||
| func ParseJWT(tokenString string) (user string, err error) { | ||
| token, err := jwt.Parse(tokenString, func(t *jwt.Token) (interface{}, error) { | ||
| if _, ok := t.Method.(*jwt.SigningMethodHMAC); !ok { | ||
| return nil, status.Error(codes.Unauthenticated, fmt.Sprintf("Unexpected signing method: %v", t.Header["alg"])) | ||
| } | ||
| return signingSecret, nil | ||
| }) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| if !token.Valid { | ||
| return "", errors.New("Invalid token") | ||
| } | ||
|
|
||
| if claims, ok := token.Claims.(jwt.MapClaims); ok { | ||
| log.Info("Validated token", zap.Any("claims", claims)) | ||
|
|
||
| if accountID, ok := claims[accountIDClaim]; ok { | ||
| if accountIDStr, ok := accountID.(string); ok { | ||
| return accountIDStr, nil | ||
| } | ||
|
|
||
| } | ||
| log.Info("Token does not contain account id field", zap.Any("token", token)) | ||
| } | ||
|
|
||
| return "", errors.New("Invalid token") | ||
|
|
||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Some generated files are not rendered by default. Learn more about how customized files appear on GitHub.
Oops, something went wrong.
Some generated files are not rendered by default. Learn more about how customized files appear on GitHub.
Oops, something went wrong.
Some generated files are not rendered by default. Learn more about how customized files appear on GitHub.
Oops, something went wrong.
Some generated files are not rendered by default. Learn more about how customized files appear on GitHub.
Oops, something went wrong.
Oops, something went wrong.