@request-target should include params, fixes #1.

Author: yaronf

http2_test.go

@@ -18,14 +18,15 @@ var wantFields = `"kuku": my awesome header
 "@query": ?k1=v1&k2
 "@method": GET
 "@target-uri": {{.Scheme}}://127.0.0.1:{{.Port}}/path?k1=v1&k2
+"@request-target": /path?k1=v1&k2
 "@authority": 127.0.0.1:{{.Port}}
 "@scheme": {{.Scheme}}
 "@target-uri": {{.Scheme}}://127.0.0.1:{{.Port}}/path?k1=v1&k2
 "@path": /path
 "@query": ?k1=v1&k2
 "@query-param";name="k1": v1
 "@query-param";name="k2": 
-"@signature-params": ("kuku" "@query" "@method" "@target-uri" "@authority" "@scheme" "@target-uri" "@path" "@query" "@query-param";name="k1" "@query-param";name="k2");alg="hmac-sha256";keyid="key1"`
+"@signature-params": ("kuku" "@query" "@method" "@target-uri" "@request-target" "@authority" "@scheme" "@target-uri" "@path" "@query" "@query-param";name="k1" "@query-param";name="k2");alg="hmac-sha256";keyid="key1"`
 
 func execTemplate(t template.Template, name string, data interface{}) (string, error) {
 	buf := &bytes.Buffer{}
@@ -116,7 +117,7 @@ func simpleClient(t *testing.T, proto string, simpleHandler func(w http.Response
 
 	signer, err := NewHMACSHA256Signer("key1", bytes.Repeat([]byte{0x03}, 64),
 		NewSignConfig().SignCreated(false),
-		*NewFields().AddHeaders("kuku", "@query", "@method", "@target-uri", "@authority", "@scheme", "@target-uri",
+		*NewFields().AddHeaders("kuku", "@query", "@method", "@target-uri", "@request-target", "@authority", "@scheme", "@target-uri",
 			"@path", "@query").AddQueryParam("k1").AddQueryParam("k2"))
 	if err != nil {
 		t.Errorf("failed to create signer")

httpparse.go

@@ -104,7 +104,11 @@ func scQuery(url *url.URL) string {
 }
 
 func scRequestTarget(url *url.URL) string {
-	return url.Path
+	if url.RawQuery == "" {
+		return url.Path
+	} else {
+		return url.Path + "?" + url.RawQuery
+	}
 }
 
 func scScheme(url *url.URL) string {

signatures_test.go

@@ -1367,6 +1367,14 @@ Example-Dict:  a=1,    b=2;x=1;y=2,   c=(a   b   c)
 
 `
 
+var httpreq5 = `GET /foo HTTP/1.1
+Host: www.example.com
+Date: Tue, 20 Apr 2021 02:07:56 GMT
+Cache-Control: max-age=60
+Cache-Control:    must-revalidate
+
+`
+
 func Test_signRequestDebug(t *testing.T) {
 	type args struct {
 		signatureName string
@@ -1443,6 +1451,30 @@ func Test_signRequestDebug(t *testing.T) {
 			wantSignatureBase:  "\"cache-control\": max-age=60, must-revalidate\n\"example-dict\";key=\"a\": 1\n\"example-dict\";key=\"b\": 2;x=1;y=2\n\"example-dict\";key=\"c\": (a b c)\n\"@signature-params\": (\"cache-control\" \"example-dict\";key=\"a\" \"example-dict\";key=\"b\" \"example-dict\";key=\"c\");alg=\"hmac-sha256\";keyid=\"test-key-hmac\"",
 			wantErr:            false,
 		},
+		{
+			name: "issue #1, @request-target",
+			args: args{
+				signatureName: "sig1",
+				signer:        makeHMACSigner(*NewSignConfig().SignCreated(false), Headers("@request-target")),
+				req:           readRequest(httpreq2),
+			},
+			wantSignatureInput: "sig1=(\"@request-target\");alg=\"hmac-sha256\";keyid=\"test-key-hmac\"",
+			wantSignature:      "sig1=:z8fRhDS1tbmNinLWIUKLGgUT7e/Kk4lda3zwGVxJJGA=:",
+			wantSignatureBase:  "\"@request-target\": /foo?param=value&pet=dog&pet=snake&bar=baz\n\"@signature-params\": (\"@request-target\");alg=\"hmac-sha256\";keyid=\"test-key-hmac\"",
+			wantErr:            false,
+		},
+		{
+			name: "issue #1, @request-target, no path params",
+			args: args{
+				signatureName: "sig1",
+				signer:        makeHMACSigner(*NewSignConfig().SignCreated(false), Headers("@request-target")),
+				req:           readRequest(httpreq5),
+			},
+			wantSignatureInput: "sig1=(\"@request-target\");alg=\"hmac-sha256\";keyid=\"test-key-hmac\"",
+			wantSignature:      "sig1=:QH4dlxNv1P4mbPlWE3PwOc3sp1oeC2rE/OESjve4JJQ=:",
+			wantSignatureBase:  "\"@request-target\": /foo\n\"@signature-params\": (\"@request-target\");alg=\"hmac-sha256\";keyid=\"test-key-hmac\"",
+			wantErr:            false,
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {