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* Create S2S tokens * Create a config struct S2SClient * Fix CI
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| package authcontrol | ||
|
|
||
| import ( | ||
| "maps" | ||
| "net/http" | ||
| "time" | ||
|
|
||
| "github.com/go-chi/jwtauth/v5" | ||
| "github.com/go-chi/traceid" | ||
| "github.com/go-chi/transport" | ||
| "github.com/lestrrat-go/jwx/v2/jwt" | ||
| ) | ||
|
|
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| type S2SClientConfig struct { | ||
| Service string | ||
| JWTSecret string | ||
| DebugRequests bool | ||
| } | ||
|
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| // Service-to-service HTTP client for internal communication between Sequence services. | ||
| func S2SClient(cfg *S2SClientConfig) *http.Client { | ||
| httpClient := &http.Client{ | ||
| Transport: transport.Chain(http.DefaultTransport, | ||
| traceid.Transport, | ||
| transport.SetHeaderFunc("Authorization", s2sAuthHeader(cfg.JWTSecret, map[string]any{"service": cfg.Service})), | ||
| transport.If(cfg.DebugRequests, transport.LogRequests(transport.LogOptions{Concise: true, CURL: true})), | ||
| ), | ||
| } | ||
|
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| return httpClient | ||
| } | ||
|
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| // Create short-lived service-to-service JWT token for internal communication between Sequence services. | ||
| func S2SToken(jwtSecret string, claims map[string]any) string { | ||
| jwtAuth := jwtauth.New("HS256", []byte(jwtSecret), nil, jwt.WithAcceptableSkew(2*time.Minute)) | ||
|
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| now := time.Now().UTC() | ||
|
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| c := maps.Clone(claims) | ||
| if c == nil { | ||
| c = map[string]any{} | ||
| } | ||
|
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| c["iat"] = now | ||
|
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| if _, ok := c["exp"]; !ok { | ||
| c["exp"] = now.Add(30 * time.Second) | ||
| } | ||
|
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| _, t, _ := jwtAuth.Encode(c) | ||
| return t | ||
| } | ||
|
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| func s2sAuthHeader(jwtSecret string, claims map[string]any) func(req *http.Request) string { | ||
| return func(req *http.Request) string { | ||
| return "BEARER " + S2SToken(jwtSecret, claims) | ||
| } | ||
| } |
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