refactor: initial commit for major rewrite

pkg/auth.go

@@ -1,101 +0,0 @@
-package configurator
-
-import (
-	"context"
-	"encoding/json"
-	"fmt"
-	"net/http"
-	"slices"
-
-	"github.com/OpenCHAMI/jwtauth/v5"
-	"github.com/lestrrat-go/jwx/v2/jwk"
-)
-
-func VerifyScope(testScopes []string, r *http.Request) (bool, error) {
-	// extract the scopes from JWT
-	var scopes []string
-	_, claims, err := jwtauth.FromContext(r.Context())
-	if err != nil {
-		return false, fmt.Errorf("failed to get claim(s) from token: %v", err)
-	}
-
-	appendScopes := func(slice []string, scopeClaim any) []string {
-		switch scopeClaim.(type) {
-		case []any:
-			// convert all scopes to str and append
-			for _, s := range scopeClaim.([]any) {
-				switch s.(type) {
-				case string:
-					slice = append(slice, s.(string))
-				}
-			}
-		case []string:
-			slice = append(slice, scopeClaim.([]string)...)
-		}
-		return slice
-	}
-
-	// check for and append both "scp" and "scope" claims
-	v, ok := claims["scp"]
-	if ok {
-		scopes = appendScopes(scopes, v)
-	}
-	v, ok = claims["scope"]
-	if ok {
-		scopes = appendScopes(scopes, v)
-	}
-
-	// check for both 'scp' and 'scope' claims for scope
-	scopeClaim, ok := claims["scp"]
-	if ok {
-		switch scopeClaim.(type) {
-		case []any:
-			// convert all scopes to str and append
-			for _, s := range scopeClaim.([]any) {
-				switch s.(type) {
-				case string:
-					scopes = append(scopes, s.(string))
-				}
-			}
-		case []string:
-			scopes = append(scopes, scopeClaim.([]string)...)
-		}
-	}
-	scopeClaim, ok = claims["scope"]
-	if ok {
-		scopes = append(scopes, scopeClaim.([]string)...)
-	}
-
-	// verify that each of the test scopes are included
-	for _, testScope := range testScopes {
-		index := slices.Index(scopes, testScope)
-		if index < 0 {
-			return false, fmt.Errorf("invalid or missing scope")
-		}
-	}
-	// NOTE: should this be ok if no scopes were found?
-	return true, nil
-}
-
-func FetchPublicKeyFromURL(url string) (*jwtauth.JWTAuth, error) {
-	ctx, cancel := context.WithCancel(context.Background())
-	defer cancel()
-	set, err := jwk.Fetch(ctx, url)
-	if err != nil {
-		return nil, fmt.Errorf("%v", err)
-	}
-	jwks, err := json.Marshal(set)
-	if err != nil {
-		return nil, fmt.Errorf("failed to marshal JWKS: %v", err)
-	}
-	tokenAuth, err := jwtauth.NewKeySet(jwks)
-	if err != nil {
-		return nil, fmt.Errorf("failed to initialize JWKS: %v", err)
-	}
-
-	return tokenAuth, nil
-}
-
-func LoadAccessToken() {
-
-}