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package authz
import (
"bytes"
"context"
"fmt"
"io"
"log"
"net/http"
"net/http/httptest"
"testing"
"git.ofmax.li/go-git-server/internal/admin"
)
func junkTestHandler() http.HandlerFunc {
return func(rw http.ResponseWriter, req *http.Request) {
rw.WriteHeader(http.StatusOK)
_, err := rw.Write([]byte("Im a body"))
if err != nil {
log.Fatalf("couldn't write http body %s", err)
}
}
}
func TestAuthentication(t *testing.T) {
badToken, _, _ := GenerateNewToken()
token, hash, _ := GenerateNewToken()
okUserName := "tester"
badUserName := "badb00"
tm := TokenMap{}
tm["uid:tester"] = hash
cases := []struct {
description string
username string
token string
tm TokenMap
statusCode int
handler http.HandlerFunc
}{
{
username: okUserName,
token: token,
tm: tm,
statusCode: http.StatusOK,
description: "Good Login",
handler: func(rw http.ResponseWriter, req *http.Request) {
ctx := req.Context()
uid := ctx.Value(AuthzUrnKey)
if uid != fmt.Sprintf("uid:%s", okUserName) {
t.Fatal("Context UID not set")
}
},
},
{
username: badUserName,
token: token,
tm: tm,
statusCode: http.StatusForbidden,
description: "Bad usename",
handler: junkTestHandler(),
},
{
username: okUserName,
token: badToken,
tm: tm,
statusCode: http.StatusForbidden,
description: "Bad token",
handler: junkTestHandler(),
},
}
for _, tc := range cases {
authHandler := Authentication(tc.tm, tc.handler)
req := httptest.NewRequest(http.MethodGet, "https://git.ofmax.li", nil)
req.SetBasicAuth(tc.username, tc.token)
recorder := httptest.NewRecorder()
authHandler.ServeHTTP(recorder, req)
result := recorder.Result()
defer result.Body.Close()
if result.StatusCode != tc.statusCode {
t.Fatalf("Test Case %s failed Expected: %d Found: %d",
tc.description, tc.statusCode, result.StatusCode)
}
t.Logf("Test Case: %s Expected: %d Found: %d",
tc.description, tc.statusCode, result.StatusCode)
}
}
func TestAuthorization(t *testing.T) {
t.Log("Starting authorization tests")
baseURL := "http://test"
cases := []struct {
url string
user string
expectedStatus int
description string
body []byte
}{
{
url: fmt.Sprintf("%s/%s", baseURL, "repo/url"),
user: "uid:jack",
expectedStatus: 200,
description: "an authorized action should yield a 200",
body: []byte("Im a body"),
},
{
url: fmt.Sprintf("%s/%s", baseURL, "repo/url/bar"),
user: "uid:chumba",
expectedStatus: 403,
description: "an unauthorized action should yield a 403",
body: []byte("Access denied\n"),
},
}
svcr := admin.NewService(
"../../auth_model.ini",
"../../tests/testpolicy.csv",
"../../gitserver.yaml",
"../../repos",
false)
for _, tc := range cases {
t.Logf("test case: %s", tc.description)
authHandler := Authorization(svcr, junkTestHandler())
recorder := httptest.NewRecorder()
req := httptest.NewRequest(http.MethodGet, tc.url, nil)
ctx := req.Context()
ctx = context.WithValue(ctx, AuthzUrnKey, tc.user)
req = req.WithContext(ctx)
authHandler.ServeHTTP(recorder, req)
result := recorder.Result()
defer result.Body.Close()
body, err := io.ReadAll(result.Body)
if err != nil {
t.Fatal("couldn't read response body")
}
if result.StatusCode != tc.expectedStatus {
t.Fatalf("Test Case %s failed Expected: %d Found: %d", tc.description, tc.expectedStatus, result.StatusCode)
}
if !bytes.Equal(body, tc.body) {
t.Fatalf("Test Case %s failed Expected: %d Found: %d", tc.description, tc.body, body)
}
}
}
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