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decision_test.go
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decision_test.go
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/*
* Copyright © 2017-2018 Aeneas Rekkas <[email protected]>
*
* 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.
*
* @author Aeneas Rekkas <[email protected]>
* @copyright 2017-2018 Aeneas Rekkas <[email protected]>
* @license Apache-2.0
*/
package api_test
import (
"bytes"
"context"
"fmt"
"io/ioutil"
"net/http"
"net/http/httptest"
"strconv"
"testing"
"github.com/ory/viper"
"github.com/urfave/negroni"
"github.com/ory/oathkeeper/driver/configuration"
"github.com/ory/oathkeeper/internal"
"github.com/julienschmidt/httprouter"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/ory/oathkeeper/rule"
)
func TestDecisionAPI(t *testing.T) {
conf := internal.NewConfigurationWithDefaults()
viper.Set(configuration.ViperKeyAuthenticatorNoopIsEnabled, true)
viper.Set(configuration.ViperKeyAuthenticatorUnauthorizedIsEnabled, true)
viper.Set(configuration.ViperKeyAuthenticatorAnonymousIsEnabled, true)
viper.Set(configuration.ViperKeyAuthorizerAllowIsEnabled, true)
viper.Set(configuration.ViperKeyAuthorizerDenyIsEnabled, true)
viper.Set(configuration.ViperKeyMutatorNoopIsEnabled, true)
viper.Set(configuration.ViperKeyErrorsWWWAuthenticateIsEnabled, true)
reg := internal.NewRegistry(conf).WithBrokenPipelineMutator()
d := reg.DecisionHandler()
n := negroni.New(d)
n.UseHandler(httprouter.New())
ts := httptest.NewServer(n)
defer ts.Close()
ruleNoOpAuthenticator := rule.Rule{
Match: &rule.Match{Methods: []string{"GET"}, URL: ts.URL + "/authn-noop/<[0-9]+>"},
Authenticators: []rule.Handler{{Handler: "noop"}},
Authorizer: rule.Handler{Handler: "allow"},
Mutators: []rule.Handler{{Handler: "noop"}},
Upstream: rule.Upstream{URL: ""},
}
ruleNoOpAuthenticatorModifyUpstream := rule.Rule{
Match: &rule.Match{Methods: []string{"GET"}, URL: ts.URL + "/strip-path/authn-noop/<[0-9]+>"},
Authenticators: []rule.Handler{{Handler: "noop"}},
Authorizer: rule.Handler{Handler: "allow"},
Mutators: []rule.Handler{{Handler: "noop"}},
Upstream: rule.Upstream{URL: "", StripPath: "/strip-path/", PreserveHost: true},
}
ruleNoOpAuthenticatorGLOB := rule.Rule{
Match: &rule.Match{Methods: []string{"GET"}, URL: ts.URL + "/authn-noop/<[0-9]*>"},
Authenticators: []rule.Handler{{Handler: "noop"}},
Authorizer: rule.Handler{Handler: "allow"},
Mutators: []rule.Handler{{Handler: "noop"}},
Upstream: rule.Upstream{URL: ""},
}
ruleNoOpAuthenticatorModifyUpstreamGLOB := rule.Rule{
Match: &rule.Match{Methods: []string{"GET"}, URL: ts.URL + "/strip-path/authn-noop/<[0-9]*>"},
Authenticators: []rule.Handler{{Handler: "noop"}},
Authorizer: rule.Handler{Handler: "allow"},
Mutators: []rule.Handler{{Handler: "noop"}},
Upstream: rule.Upstream{URL: "", StripPath: "/strip-path/", PreserveHost: true},
}
for k, tc := range []struct {
url string
code int
reqBody []byte
messages []string
rulesRegexp []rule.Rule
rulesGlob []rule.Rule
transform func(r *http.Request)
authz string
d string
}{
{
d: "should fail because url does not exist in rule set",
url: ts.URL + "/decisions" + "/invalid",
rulesRegexp: []rule.Rule{},
rulesGlob: []rule.Rule{},
code: http.StatusNotFound,
},
{
d: "should fail because url does exist but is matched by two rulesRegexp",
url: ts.URL + "/decisions" + "/authn-noop/1234",
rulesRegexp: []rule.Rule{ruleNoOpAuthenticator, ruleNoOpAuthenticator},
rulesGlob: []rule.Rule{ruleNoOpAuthenticatorGLOB, ruleNoOpAuthenticatorGLOB},
code: http.StatusInternalServerError,
},
{
d: "should pass",
url: ts.URL + "/decisions" + "/authn-noop/1234",
rulesRegexp: []rule.Rule{ruleNoOpAuthenticator},
rulesGlob: []rule.Rule{ruleNoOpAuthenticatorGLOB},
code: http.StatusOK,
transform: func(r *http.Request) {
r.Header.Add("Authorization", "bearer token")
},
authz: "bearer token",
},
{
d: "should pass",
url: ts.URL + "/decisions" + "/strip-path/authn-noop/1234",
rulesRegexp: []rule.Rule{ruleNoOpAuthenticatorModifyUpstream},
rulesGlob: []rule.Rule{ruleNoOpAuthenticatorModifyUpstreamGLOB},
code: http.StatusOK,
transform: func(r *http.Request) {
r.Header.Add("Authorization", "bearer token")
},
authz: "bearer token",
},
{
d: "should fail because no authorizer was configured",
url: ts.URL + "/decisions" + "/authn-anon/authz-none/cred-none/1234",
rulesRegexp: []rule.Rule{{
Match: &rule.Match{Methods: []string{"GET"}, URL: ts.URL + "/authn-anon/authz-none/cred-none/<[0-9]+>"},
Authenticators: []rule.Handler{{Handler: "anonymous"}},
Upstream: rule.Upstream{URL: ""},
}},
rulesGlob: []rule.Rule{{
Match: &rule.Match{Methods: []string{"GET"}, URL: ts.URL + "/authn-anon/authz-none/cred-none/<[0-9]*>"},
Authenticators: []rule.Handler{{Handler: "anonymous"}},
Upstream: rule.Upstream{URL: ""},
}},
transform: func(r *http.Request) {
r.Header.Add("Authorization", "bearer token")
},
code: http.StatusUnauthorized,
},
{
d: "should fail because no mutator was configured",
url: ts.URL + "/decisions" + "/authn-anon/authz-allow/cred-none/1234",
rulesRegexp: []rule.Rule{{
Match: &rule.Match{Methods: []string{"GET"}, URL: ts.URL + "/authn-anon/authz-allow/cred-none/<[0-9]+>"},
Authenticators: []rule.Handler{{Handler: "anonymous"}},
Authorizer: rule.Handler{Handler: "allow"},
Upstream: rule.Upstream{URL: ""},
}},
rulesGlob: []rule.Rule{{
Match: &rule.Match{Methods: []string{"GET"}, URL: ts.URL + "/authn-anon/authz-allow/cred-none/<[0-9]*>"},
Authenticators: []rule.Handler{{Handler: "anonymous"}},
Authorizer: rule.Handler{Handler: "allow"},
Upstream: rule.Upstream{URL: ""},
}},
code: http.StatusInternalServerError,
},
{
d: "should pass with anonymous and everything else set to noop",
url: ts.URL + "/decisions" + "/authn-anon/authz-allow/cred-noop/1234",
rulesRegexp: []rule.Rule{{
Match: &rule.Match{Methods: []string{"GET"}, URL: ts.URL + "/authn-anon/authz-allow/cred-noop/<[0-9]+>"},
Authenticators: []rule.Handler{{Handler: "anonymous"}},
Authorizer: rule.Handler{Handler: "allow"},
Mutators: []rule.Handler{{Handler: "noop"}},
Upstream: rule.Upstream{URL: ""},
}},
rulesGlob: []rule.Rule{{
Match: &rule.Match{Methods: []string{"GET"}, URL: ts.URL + "/authn-anon/authz-allow/cred-noop/<[0-9]*>"},
Authenticators: []rule.Handler{{Handler: "anonymous"}},
Authorizer: rule.Handler{Handler: "allow"},
Mutators: []rule.Handler{{Handler: "noop"}},
Upstream: rule.Upstream{URL: ""},
}},
code: http.StatusOK,
authz: "",
},
{
d: "should fail when authorizer fails",
url: ts.URL + "/decisions" + "/authn-anon/authz-deny/cred-noop/1234",
rulesRegexp: []rule.Rule{{
Match: &rule.Match{Methods: []string{"GET"}, URL: ts.URL + "/authn-anon/authz-deny/cred-noop/<[0-9]+>"},
Authenticators: []rule.Handler{{Handler: "anonymous"}},
Authorizer: rule.Handler{Handler: "deny"},
Mutators: []rule.Handler{{Handler: "noop"}},
Upstream: rule.Upstream{URL: ""},
}},
rulesGlob: []rule.Rule{{
Match: &rule.Match{Methods: []string{"GET"}, URL: ts.URL + "/authn-anon/authz-deny/cred-noop/<[0-9]*>"},
Authenticators: []rule.Handler{{Handler: "anonymous"}},
Authorizer: rule.Handler{Handler: "deny"},
Mutators: []rule.Handler{{Handler: "noop"}},
Upstream: rule.Upstream{URL: ""},
}},
code: http.StatusForbidden,
},
{
d: "should fail when authenticator fails",
url: ts.URL + "/decisions" + "/authn-broken/authz-none/cred-none/1234",
rulesRegexp: []rule.Rule{{
Match: &rule.Match{Methods: []string{"GET"}, URL: ts.URL + "/authn-broken/authz-none/cred-none/<[0-9]+>"},
Authenticators: []rule.Handler{{Handler: "unauthorized"}},
Upstream: rule.Upstream{URL: ""},
}},
rulesGlob: []rule.Rule{{
Match: &rule.Match{Methods: []string{"GET"}, URL: ts.URL + "/authn-broken/authz-none/cred-none/<[0-9]*>"},
Authenticators: []rule.Handler{{Handler: "unauthorized"}},
Upstream: rule.Upstream{URL: ""},
}},
code: http.StatusUnauthorized,
},
{
d: "should fail when mutator fails",
url: ts.URL + "/decisions" + "/authn-anonymous/authz-allow/cred-broken/1234",
rulesRegexp: []rule.Rule{{
Match: &rule.Match{Methods: []string{"GET"}, URL: ts.URL + "/authn-anonymous/authz-allow/cred-broken/<[0-9]+>"},
Authenticators: []rule.Handler{{Handler: "anonymous"}},
Authorizer: rule.Handler{Handler: "allow"},
Mutators: []rule.Handler{{Handler: "broken"}},
Upstream: rule.Upstream{URL: ""},
}},
rulesGlob: []rule.Rule{{
Match: &rule.Match{Methods: []string{"GET"}, URL: ts.URL + "/authn-anonymous/authz-allow/cred-broken/<[0-9]*>"},
Authenticators: []rule.Handler{{Handler: "anonymous"}},
Authorizer: rule.Handler{Handler: "allow"},
Mutators: []rule.Handler{{Handler: "broken"}},
Upstream: rule.Upstream{URL: ""},
}},
code: http.StatusInternalServerError,
},
{
d: "should fail when one of the mutators fails",
url: ts.URL + "/decisions" + "/authn-anonymous/authz-allow/cred-broken/1234",
rulesRegexp: []rule.Rule{{
Match: &rule.Match{Methods: []string{"GET"}, URL: ts.URL + "/authn-anonymous/authz-allow/cred-broken/<[0-9]+>"},
Authenticators: []rule.Handler{{Handler: "anonymous"}},
Authorizer: rule.Handler{Handler: "allow"},
Mutators: []rule.Handler{{Handler: "noop"}, {Handler: "broken"}},
Upstream: rule.Upstream{URL: ""},
}},
rulesGlob: []rule.Rule{{
Match: &rule.Match{Methods: []string{"GET"}, URL: ts.URL + "/authn-anonymous/authz-allow/cred-broken/<[0-9]*>"},
Authenticators: []rule.Handler{{Handler: "anonymous"}},
Authorizer: rule.Handler{Handler: "allow"},
Mutators: []rule.Handler{{Handler: "noop"}, {Handler: "broken"}},
Upstream: rule.Upstream{URL: ""},
}},
code: http.StatusInternalServerError,
},
{
d: "should fail when authorizer fails and send www_authenticate as defined in the rule",
url: ts.URL + "/decisions" + "/authn-anon/authz-deny/cred-noop/1234",
rulesRegexp: []rule.Rule{{
Match: &rule.Match{Methods: []string{"GET"}, URL: ts.URL + "/authn-anon/authz-deny/cred-noop/<[0-9]+>"},
Authenticators: []rule.Handler{{Handler: "anonymous"}},
Authorizer: rule.Handler{Handler: "deny"},
Mutators: []rule.Handler{{Handler: "noop"}},
Upstream: rule.Upstream{URL: ""},
Errors: []rule.ErrorHandler{{Handler: "www_authenticate"}},
}},
rulesGlob: []rule.Rule{{
Match: &rule.Match{Methods: []string{"GET"}, URL: ts.URL + "/authn-anon/authz-deny/cred-noop/<[0-9]*>"},
Authenticators: []rule.Handler{{Handler: "anonymous"}},
Authorizer: rule.Handler{Handler: "deny"},
Mutators: []rule.Handler{{Handler: "noop"}},
Upstream: rule.Upstream{URL: ""},
Errors: []rule.ErrorHandler{{Handler: "www_authenticate"}},
}},
code: http.StatusUnauthorized,
},
{
d: "should not pass Content-Length from client",
url: ts.URL + "/decisions" + "/authn-anon/authz-allow/cred-noop/1234",
rulesRegexp: []rule.Rule{{
Match: &rule.Match{Methods: []string{"GET"}, URL: ts.URL + "/authn-anon/authz-allow/cred-noop/<[0-9]+>"},
Authenticators: []rule.Handler{{Handler: "anonymous"}},
Authorizer: rule.Handler{Handler: "allow"},
Mutators: []rule.Handler{{Handler: "noop"}},
Upstream: rule.Upstream{URL: ""},
}},
rulesGlob: []rule.Rule{{
Match: &rule.Match{Methods: []string{"GET"}, URL: ts.URL + "/authn-anon/authz-allow/cred-noop/<[0-9]*>"},
Authenticators: []rule.Handler{{Handler: "anonymous"}},
Authorizer: rule.Handler{Handler: "allow"},
Mutators: []rule.Handler{{Handler: "noop"}},
Upstream: rule.Upstream{URL: ""},
}},
reqBody: []byte("non-empty body"),
transform: func(r *http.Request) {
r.Header.Add("Content-Length", "1337")
},
code: http.StatusOK,
authz: "",
},
} {
t.Run(fmt.Sprintf("case=%d/description=%s", k, tc.d), func(t *testing.T) {
testFunc := func(strategy configuration.MatchingStrategy) {
require.NoError(t, reg.RuleRepository().SetMatchingStrategy(context.Background(), strategy))
req, err := http.NewRequest("GET", tc.url, bytes.NewBuffer(tc.reqBody))
require.NoError(t, err)
if tc.transform != nil {
tc.transform(req)
}
res, err := http.DefaultClient.Do(req)
require.NoError(t, err)
entireBody, err := ioutil.ReadAll(res.Body)
require.NoError(t, err)
defer res.Body.Close()
assert.Equal(t, tc.authz, res.Header.Get("Authorization"))
assert.Equal(t, tc.code, res.StatusCode)
assert.Equal(t, strconv.Itoa(len(entireBody)), res.Header.Get("Content-Length"))
}
t.Run("regexp", func(t *testing.T) {
reg.RuleRepository().(*rule.RepositoryMemory).WithRules(tc.rulesRegexp)
testFunc(configuration.Regexp)
})
t.Run("glob", func(t *testing.T) {
reg.RuleRepository().(*rule.RepositoryMemory).WithRules(tc.rulesRegexp)
testFunc(configuration.Glob)
})
})
}
}