sig-auth.git

git clone https://git.crispbyte.dev/sig-auth.git

commit
c5b7f7c
parent
3a838b4
author
cheddar
date
2025-02-22 02:09:23 +0100 CET
Remove digest from covered components
4 files changed,  +18, -17
M go.mod
M go.sum
M client/client.go
+12, -10
 1@@ -2,6 +2,7 @@ package client
 2 
 3 import (
 4 	"bytes"
 5+	"context"
 6 	"crypto"
 7 	"crypto/ecdsa"
 8 	"crypto/ed25519"
 9@@ -16,7 +17,6 @@ import (
10 	"github.com/common-fate/httpsig/alg_ed25519"
11 	"github.com/common-fate/httpsig/alg_rsa"
12 	"github.com/common-fate/httpsig/signer"
13-	"github.com/opencontainers/go-digest"
14 )
15 
16 func Post(baseUrl *url.URL, key crypto.PrivateKey, keyId string, data []byte) (*http.Response, error) {
17@@ -26,19 +26,14 @@ func Post(baseUrl *url.URL, key crypto.PrivateKey, keyId string, data []byte) (*
18 		return nil, err
19 	}
20 
21-	id := digest.FromBytes(data)
22-
23-	authUrl := baseUrl.JoinPath("auth")
24-
25 	var req *http.Request
26 
27-	req, err = http.NewRequest("POST", authUrl.String(), bytes.NewBuffer(data))
28+	req, err = http.NewRequest("POST", baseUrl.String(), bytes.NewBuffer(data))
29 
30 	if err != nil {
31 		return nil, err
32 	}
33 
34-	req.Header.Add("Content-Digest", string(id.Algorithm())+"="+id.Encoded())
35 	req.Header.Add("Content-Type", "application/json")
36 
37 	resp, err := client.Do(req)
38@@ -60,10 +55,17 @@ func getSigningClient(key crypto.PrivateKey, keyId string) (*http.Client, error)
39 		return nil, fmt.Errorf("type is unknown: %s", reflect.TypeOf(key))
40 	}
41 
42+	coveredComponents := []string{"@method", "@target-uri", "content-type", "content-length"}
43+
44 	client := httpsig.NewClient(httpsig.ClientOpts{
45-		Tag:   "auth",
46-		KeyID: keyId,
47-		Alg:   alg,
48+		Tag:               "auth",
49+		KeyID:             keyId,
50+		Alg:               alg,
51+		CoveredComponents: coveredComponents,
52+
53+		OnDeriveSigningString: func(ctx context.Context, stringToSign string) {
54+			fmt.Printf("string to sign:\n%s\n", stringToSign)
55+		},
56 	})
57 
58 	return client, nil
M go.mod
+0, -1
1@@ -6,7 +6,6 @@ require (
2 	github.com/common-fate/httpsig v0.2.1
3 	github.com/google/uuid v1.6.0
4 	github.com/mattn/go-sqlite3 v1.14.24
5-	github.com/opencontainers/go-digest v1.0.0
6 	golang.org/x/crypto v0.33.0
7 )
8 
M go.sum
+0, -2
1@@ -8,8 +8,6 @@ github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
2 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
3 github.com/mattn/go-sqlite3 v1.14.24 h1:tpSp2G2KyMnnQu99ngJ47EIkWVmliIizyZBfPrBWDRM=
4 github.com/mattn/go-sqlite3 v1.14.24/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
5-github.com/opencontainers/go-digest v1.0.0 h1:apOUWs51W5PlhuyGyz9FCeeBIOUDA/6nW8Oi/yOhh5U=
6-github.com/opencontainers/go-digest v1.0.0/go.mod h1:0JzlMkj0TRzQZfJkVvzbP0HBR3IKzErnv2BNG4W4MAM=
7 golang.org/x/crypto v0.33.0 h1:IOBPskki6Lysi0lo9qQvbxiQ+FvsCC/YWOecCHAixus=
8 golang.org/x/crypto v0.33.0/go.mod h1:bVdXmD7IV/4GdElGPozy6U7lWdRXA4qyRVGJV57uQ5M=
9 golang.org/x/sys v0.30.0 h1:QjkSwP/36a20jFYWkSue1YwXzLmsV5Gfq7Eiy72C1uc=
M server/server.go
+6, -4
 1@@ -16,12 +16,16 @@ import (
 2 func Start(keyDir keydirectory.RegistrationDirectory) error {
 3 	mux := http.NewServeMux()
 4 
 5+	validationOptions := httpsig.DefaultValidationOpts()
 6+	delete(validationOptions.RequiredCoveredComponents, "content-digest")
 7+
 8 	verifier := httpsig.Middleware(httpsig.MiddlewareOpts{
 9 		NonceStorage: inmemory.NewNonceStorage(),
10 		KeyDirectory: keyDir,
11 		Tag:          "auth",
12 		Scheme:       "http",
13-		Authority:    "localhost:8080",
14+		Authority:    "localhost:8001",
15+		Validation:   &validationOptions,
16 
17 		OnValidationError: func(ctx context.Context, err error) {
18 			fmt.Printf("validation error: %s\n", err)
19@@ -34,9 +38,7 @@ func Start(keyDir keydirectory.RegistrationDirectory) error {
20 
21 	verifyHandler := verifier(getDefaultHandler())
22 
23-	var handler http.Handler
24-
25-	handler = rewriteHeaders(verifyHandler)
26+	handler := rewriteHeaders(verifyHandler)
27 
28 	mux.Handle("/auth", handler)
29 	mux.Handle("/register", getRegistrationHandler(keyDir))