426 lines
12 KiB
Go
426 lines
12 KiB
Go
package oidc
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import (
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"bytes"
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"crypto/rand"
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"crypto/rsa"
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"encoding/base64"
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"encoding/binary"
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"encoding/json"
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"errors"
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"fmt"
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"net/http"
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"net/http/httptest"
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"reflect"
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"strings"
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"testing"
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"time"
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"github.com/sirupsen/logrus"
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"gopkg.in/square/go-jose.v2"
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"github.com/dexidp/dex/connector"
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)
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func TestKnownBrokenAuthHeaderProvider(t *testing.T) {
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tests := []struct {
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issuerURL string
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expect bool
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}{
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{"https://dev.oktapreview.com", true},
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{"https://dev.okta.com", true},
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{"https://okta.com", true},
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{"https://dev.oktaaccounts.com", false},
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{"https://accounts.google.com", false},
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}
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for _, tc := range tests {
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got := knownBrokenAuthHeaderProvider(tc.issuerURL)
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if got != tc.expect {
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t.Errorf("knownBrokenAuthHeaderProvider(%q), want=%t, got=%t", tc.issuerURL, tc.expect, got)
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}
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}
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}
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func TestHandleCallback(t *testing.T) {
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t.Helper()
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tests := []struct {
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name string
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userIDKey string
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userNameKey string
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preferredUsernameKey string
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emailKey string
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groupsKey string
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insecureSkipEmailVerified bool
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scopes []string
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expectUserID string
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expectUserName string
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expectGroups []string
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expectPreferredUsername string
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expectedEmailField string
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token map[string]interface{}
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}{
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{
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name: "simpleCase",
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userIDKey: "", // not configured
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userNameKey: "", // not configured
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expectUserID: "subvalue",
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expectUserName: "namevalue",
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expectGroups: []string{"group1", "group2"},
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expectedEmailField: "emailvalue",
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token: map[string]interface{}{
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"sub": "subvalue",
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"name": "namevalue",
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"groups": []string{"group1", "group2"},
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"email": "emailvalue",
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"email_verified": true,
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},
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},
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{
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name: "customEmailClaim",
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userIDKey: "", // not configured
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userNameKey: "", // not configured
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emailKey: "mail",
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expectUserID: "subvalue",
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expectUserName: "namevalue",
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expectedEmailField: "emailvalue",
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token: map[string]interface{}{
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"sub": "subvalue",
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"name": "namevalue",
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"mail": "emailvalue",
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"email_verified": true,
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},
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},
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{
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name: "email_verified not in claims, configured to be skipped",
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insecureSkipEmailVerified: true,
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expectUserID: "subvalue",
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expectUserName: "namevalue",
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expectedEmailField: "emailvalue",
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token: map[string]interface{}{
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"sub": "subvalue",
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"name": "namevalue",
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"email": "emailvalue",
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},
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},
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{
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name: "withUserIDKey",
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userIDKey: "name",
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expectUserID: "namevalue",
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expectUserName: "namevalue",
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expectedEmailField: "emailvalue",
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token: map[string]interface{}{
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"sub": "subvalue",
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"name": "namevalue",
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"email": "emailvalue",
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"email_verified": true,
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},
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},
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{
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name: "withUserNameKey",
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userNameKey: "user_name",
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expectUserID: "subvalue",
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expectUserName: "username",
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expectedEmailField: "emailvalue",
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token: map[string]interface{}{
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"sub": "subvalue",
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"user_name": "username",
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"email": "emailvalue",
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"email_verified": true,
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},
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},
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{
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name: "withPreferredUsernameKey",
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preferredUsernameKey: "username_key",
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expectUserID: "subvalue",
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expectUserName: "namevalue",
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expectPreferredUsername: "username_value",
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expectedEmailField: "emailvalue",
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token: map[string]interface{}{
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"sub": "subvalue",
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"name": "namevalue",
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"username_key": "username_value",
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"email": "emailvalue",
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"email_verified": true,
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},
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},
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{
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name: "withoutPreferredUsernameKeyAndBackendReturns",
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expectUserID: "subvalue",
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expectUserName: "namevalue",
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expectPreferredUsername: "preferredusernamevalue",
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expectedEmailField: "emailvalue",
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token: map[string]interface{}{
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"sub": "subvalue",
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"name": "namevalue",
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"preferred_username": "preferredusernamevalue",
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"email": "emailvalue",
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"email_verified": true,
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},
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},
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{
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name: "withoutPreferredUsernameKeyAndBackendNotReturn",
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expectUserID: "subvalue",
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expectUserName: "namevalue",
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expectPreferredUsername: "",
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expectedEmailField: "emailvalue",
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token: map[string]interface{}{
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"sub": "subvalue",
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"name": "namevalue",
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"email": "emailvalue",
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"email_verified": true,
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},
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},
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{
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name: "emptyEmailScope",
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expectUserID: "subvalue",
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expectUserName: "namevalue",
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expectedEmailField: "",
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scopes: []string{"groups"},
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insecureSkipEmailVerified: true,
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token: map[string]interface{}{
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"sub": "subvalue",
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"name": "namevalue",
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"user_name": "username",
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},
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},
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{
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name: "emptyEmailScopeButEmailProvided",
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expectUserID: "subvalue",
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expectUserName: "namevalue",
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expectedEmailField: "emailvalue",
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scopes: []string{"groups"},
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insecureSkipEmailVerified: true,
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token: map[string]interface{}{
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"sub": "subvalue",
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"name": "namevalue",
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"user_name": "username",
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"email": "emailvalue",
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},
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},
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{
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name: "customGroupsKey",
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groupsKey: "cognito:groups",
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expectUserID: "subvalue",
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expectUserName: "namevalue",
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expectedEmailField: "emailvalue",
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expectGroups: []string{"group3", "group4"},
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scopes: []string{"groups"},
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insecureSkipEmailVerified: true,
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token: map[string]interface{}{
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"sub": "subvalue",
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"name": "namevalue",
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"user_name": "username",
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"email": "emailvalue",
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"cognito:groups": []string{"group3", "group4"},
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},
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},
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{
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name: "customGroupsKeyButGroupsProvided",
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groupsKey: "cognito:groups",
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expectUserID: "subvalue",
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expectUserName: "namevalue",
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expectedEmailField: "emailvalue",
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expectGroups: []string{"group1", "group2"},
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scopes: []string{"groups"},
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insecureSkipEmailVerified: true,
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token: map[string]interface{}{
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"sub": "subvalue",
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"name": "namevalue",
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"user_name": "username",
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"email": "emailvalue",
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"groups": []string{"group1", "group2"},
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"cognito:groups": []string{"group3", "group4"},
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},
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},
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}
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for _, tc := range tests {
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t.Run(tc.name, func(t *testing.T) {
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testServer, err := setupServer(tc.token)
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if err != nil {
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t.Fatal("failed to setup test server", err)
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}
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defer testServer.Close()
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var scopes []string
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if len(tc.scopes) > 0 {
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scopes = tc.scopes
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} else {
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scopes = []string{"email", "groups"}
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}
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serverURL := testServer.URL
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basicAuth := true
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config := Config{
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Issuer: serverURL,
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ClientID: "clientID",
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ClientSecret: "clientSecret",
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Scopes: scopes,
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RedirectURI: fmt.Sprintf("%s/callback", serverURL),
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UserIDKey: tc.userIDKey,
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UserNameKey: tc.userNameKey,
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InsecureSkipEmailVerified: tc.insecureSkipEmailVerified,
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InsecureEnableGroups: true,
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BasicAuthUnsupported: &basicAuth,
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}
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config.ClaimMapping.PreferredUsernameKey = tc.preferredUsernameKey
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config.ClaimMapping.EmailKey = tc.emailKey
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config.ClaimMapping.GroupsKey = tc.groupsKey
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conn, err := newConnector(config)
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if err != nil {
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t.Fatal("failed to create new connector", err)
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}
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req, err := newRequestWithAuthCode(testServer.URL, "someCode")
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if err != nil {
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t.Fatal("failed to create request", err)
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}
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identity, err := conn.HandleCallback(connector.Scopes{Groups: true}, req)
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if err != nil {
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t.Fatal("handle callback failed", err)
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}
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expectEquals(t, identity.UserID, tc.expectUserID)
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expectEquals(t, identity.Username, tc.expectUserName)
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expectEquals(t, identity.PreferredUsername, tc.expectPreferredUsername)
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expectEquals(t, identity.Email, tc.expectedEmailField)
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expectEquals(t, identity.EmailVerified, true)
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expectEquals(t, identity.Groups, tc.expectGroups)
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})
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}
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}
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func setupServer(tok map[string]interface{}) (*httptest.Server, error) {
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key, err := rsa.GenerateKey(rand.Reader, 1024)
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if err != nil {
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return nil, fmt.Errorf("failed to generate rsa key: %v", err)
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}
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jwk := jose.JSONWebKey{
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Key: key,
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KeyID: "keyId",
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Algorithm: "RSA",
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}
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mux := http.NewServeMux()
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mux.HandleFunc("/keys", func(w http.ResponseWriter, r *http.Request) {
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json.NewEncoder(w).Encode(&map[string]interface{}{
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"keys": []map[string]interface{}{{
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"alg": jwk.Algorithm,
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"kty": jwk.Algorithm,
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"kid": jwk.KeyID,
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"n": n(&key.PublicKey),
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"e": e(&key.PublicKey),
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}},
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})
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})
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mux.HandleFunc("/token", func(w http.ResponseWriter, r *http.Request) {
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url := fmt.Sprintf("http://%s", r.Host)
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tok["iss"] = url
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tok["exp"] = time.Now().Add(time.Hour).Unix()
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tok["aud"] = "clientID"
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token, err := newToken(&jwk, tok)
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if err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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}
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w.Header().Add("Content-Type", "application/json")
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json.NewEncoder(w).Encode(&map[string]string{
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"access_token": token,
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"id_token": token,
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"token_type": "Bearer",
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})
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})
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mux.HandleFunc("/.well-known/openid-configuration", func(w http.ResponseWriter, r *http.Request) {
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url := fmt.Sprintf("http://%s", r.Host)
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json.NewEncoder(w).Encode(&map[string]string{
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"issuer": url,
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"token_endpoint": fmt.Sprintf("%s/token", url),
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"authorization_endpoint": fmt.Sprintf("%s/authorize", url),
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"userinfo_endpoint": fmt.Sprintf("%s/userinfo", url),
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"jwks_uri": fmt.Sprintf("%s/keys", url),
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})
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})
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return httptest.NewServer(mux), nil
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}
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func newToken(key *jose.JSONWebKey, claims map[string]interface{}) (string, error) {
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signingKey := jose.SigningKey{
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Key: key,
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Algorithm: jose.RS256,
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}
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signer, err := jose.NewSigner(signingKey, &jose.SignerOptions{})
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if err != nil {
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return "", fmt.Errorf("failed to create new signer: %v", err)
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}
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payload, err := json.Marshal(claims)
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if err != nil {
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return "", fmt.Errorf("failed to marshal claims: %v", err)
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}
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signature, err := signer.Sign(payload)
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if err != nil {
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return "", fmt.Errorf("failed to sign: %v", err)
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}
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return signature.CompactSerialize()
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}
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func newConnector(config Config) (*oidcConnector, error) {
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logger := logrus.New()
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conn, err := config.Open("id", logger)
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if err != nil {
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return nil, fmt.Errorf("unable to open: %v", err)
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}
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oidcConn, ok := conn.(*oidcConnector)
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if !ok {
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return nil, errors.New("failed to convert to oidcConnector")
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}
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return oidcConn, nil
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}
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func newRequestWithAuthCode(serverURL string, code string) (*http.Request, error) {
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req, err := http.NewRequest("GET", serverURL, nil)
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if err != nil {
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return nil, fmt.Errorf("failed to create request: %v", err)
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}
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values := req.URL.Query()
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values.Add("code", code)
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req.URL.RawQuery = values.Encode()
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return req, nil
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}
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func n(pub *rsa.PublicKey) string {
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return encode(pub.N.Bytes())
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}
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func e(pub *rsa.PublicKey) string {
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data := make([]byte, 8)
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binary.BigEndian.PutUint64(data, uint64(pub.E))
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return encode(bytes.TrimLeft(data, "\x00"))
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}
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func encode(payload []byte) string {
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result := base64.URLEncoding.EncodeToString(payload)
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return strings.TrimRight(result, "=")
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}
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func expectEquals(t *testing.T, a interface{}, b interface{}) {
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if !reflect.DeepEqual(a, b) {
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t.Errorf("Expected %+v to equal %+v", a, b)
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}
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}
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