caddy/modules/caddyhttp/celmatcher_test.go

124 lines
3.7 KiB
Go

// Copyright 2015 Matthew Holt and The Caddy Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package caddyhttp
import (
"context"
"crypto/tls"
"crypto/x509"
"encoding/pem"
"net/http/httptest"
"testing"
"github.com/caddyserver/caddy/v2"
)
func TestMatchExpressionProvision(t *testing.T) {
tests := []struct {
name string
expression *MatchExpression
wantErr bool
}{
{
name: "boolean matches succeed",
expression: &MatchExpression{
Expr: "{http.request.uri.query} != ''",
},
wantErr: false,
},
{
name: "reject expressions with non-boolean results",
expression: &MatchExpression{
Expr: "{http.request.uri.query}",
},
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if err := tt.expression.Provision(caddy.Context{}); (err != nil) != tt.wantErr {
t.Errorf("MatchExpression.Provision() error = %v, wantErr %v", err, tt.wantErr)
}
})
}
}
func TestMatchExpressionMatch(t *testing.T) {
clientCert := []byte(`-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`)
tests := []struct {
name string
expression *MatchExpression
wantErr bool
wantResult bool
clientCertificate []byte
}{
{
name: "boolean matches succeed for placeholder http.request.tls.client.subject",
expression: &MatchExpression{
Expr: "{http.request.tls.client.subject} == 'CN=client.localdomain'",
},
clientCertificate: clientCert,
wantResult: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if err := tt.expression.Provision(caddy.Context{}); (err != nil) != tt.wantErr {
t.Errorf("MatchExpression.Provision() error = %v, wantErr %v", err, tt.wantErr)
}
req := httptest.NewRequest("GET", "https://example.com/foo", nil)
repl := caddy.NewReplacer()
ctx := context.WithValue(req.Context(), caddy.ReplacerCtxKey, repl)
req = req.WithContext(ctx)
addHTTPVarsToReplacer(repl, req, httptest.NewRecorder())
if tt.clientCertificate != nil {
block, _ := pem.Decode(clientCert)
if block == nil {
t.Fatalf("failed to decode PEM certificate")
}
cert, err := x509.ParseCertificate(block.Bytes)
if err != nil {
t.Fatalf("failed to decode PEM certificate: %v", err)
}
req.TLS = &tls.ConnectionState{
PeerCertificates: []*x509.Certificate{cert},
}
}
if tt.expression.Match(req) != tt.wantResult {
t.Errorf("MatchExpression.Match() expected to return '%t', for expression : '%s'", tt.wantResult, tt.expression.Expr)
}
})
}
}