1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
package authz
import (
"context"
"net/http"
"strings"
core "github.com/envoyproxy/go-control-plane/envoy/config/core/v3"
auth "github.com/envoyproxy/go-control-plane/envoy/service/auth/v3"
types "github.com/envoyproxy/go-control-plane/envoy/type/v3"
"github.com/xlgmokha/x/pkg/log"
"github.com/xlgmokha/x/pkg/x"
"gitlab.com/gitlab-org/software-supply-chain-security/authorization/sparkled/pkg/pls"
status "google.golang.org/genproto/googleapis/rpc/status"
"google.golang.org/grpc/codes"
)
var public map[string]bool = map[string]bool{
"GET:/": true,
"GET:/application.js": true,
"GET:/callback": true,
"GET:/dashboard/nav": true,
"GET:/favicon.ico": true,
"GET:/favicon.png": true,
"GET:/health": true,
"GET:/htmx.js": true,
"GET:/index.html": true,
"GET:/logo.png": true,
"GET:/pico.min.css": true,
"GET:/signout": true,
"GET:/sparkle": true,
"GET:/sparkles": true,
"GET:/vue.global.js": true,
"POST:/sparkles/restore": true,
}
type LocalCheckService struct {
auth.UnimplementedAuthorizationServer
}
func NewLocalCheckService() auth.AuthorizationServer {
return &LocalCheckService{}
}
func (svc *LocalCheckService) Check(ctx context.Context, request *auth.CheckRequest) (*auth.CheckResponse, error) {
if svc.isAllowed(ctx, request) {
return svc.OK(ctx), nil
}
return svc.Denied(ctx), nil
}
func (svc *LocalCheckService) isPublic(ctx context.Context, r *auth.CheckRequest) bool {
ok, _ := public[svc.keyFor(r.Attributes.Request.Http)]
return ok
}
func (svc *LocalCheckService) isAllowed(ctx context.Context, r *auth.CheckRequest) bool {
if !svc.validRequest(ctx, r) {
return false
}
log.WithFields(ctx, svc.fieldsFor(r))
return svc.isPublic(ctx, r) || svc.isLoggedIn(ctx, r)
}
func (svc *LocalCheckService) validRequest(ctx context.Context, r *auth.CheckRequest) bool {
return x.IsPresent(r) &&
x.IsPresent(r.Attributes) &&
x.IsPresent(r.Attributes.Request) &&
x.IsPresent(r.Attributes.Request.Http)
}
// TODO:: Replace this naive implementation
func (svc *LocalCheckService) isLoggedIn(ctx context.Context, r *auth.CheckRequest) bool {
rawCookie := r.Attributes.Request.Http.Headers["cookie"]
if x.IsPresent(rawCookie) {
cookies, err := http.ParseCookie(rawCookie)
if err != nil {
pls.LogError(ctx, err)
return false
}
idTokenCookie := x.Find(cookies, func(cookie *http.Cookie) bool {
return cookie.Name == "id_token"
})
if x.IsZero(idTokenCookie) {
return false
}
segments := strings.SplitN(idTokenCookie.Value, ".", 3)
if len(segments) != 3 {
return false
}
idToken, err := NewIDToken(idTokenCookie.Value)
if err != nil {
pls.LogError(ctx, err)
return false
}
if x.IsZero(idToken) {
return false
}
return true
}
return false
}
func (svc *LocalCheckService) OK(ctx context.Context) *auth.CheckResponse {
log.WithFields(ctx, log.Fields{"authorized": true})
return &auth.CheckResponse{
Status: &status.Status{
Code: int32(codes.OK),
},
HttpResponse: &auth.CheckResponse_OkResponse{
OkResponse: &auth.OkHttpResponse{
Headers: []*core.HeaderValueOption{},
HeadersToRemove: []string{},
ResponseHeadersToAdd: []*core.HeaderValueOption{},
},
},
}
}
func (svc *LocalCheckService) Denied(ctx context.Context) *auth.CheckResponse {
log.WithFields(ctx, log.Fields{"authorized": false})
return &auth.CheckResponse{
Status: &status.Status{
Code: int32(codes.PermissionDenied),
},
HttpResponse: &auth.CheckResponse_DeniedResponse{
DeniedResponse: &auth.DeniedHttpResponse{
Status: &types.HttpStatus{
Code: types.StatusCode_Unauthorized,
},
Headers: []*core.HeaderValueOption{},
},
},
}
}
func (svc *LocalCheckService) fieldsFor(r *auth.CheckRequest) log.Fields {
return log.Fields{
"host": r.Attributes.Request.Http.Host,
"id": r.Attributes.Request.Http.Id,
"method": r.Attributes.Request.Http.Method,
"path": r.Attributes.Request.Http.Path,
"protocol": r.Attributes.Request.Http.Protocol,
"request_id": r.Attributes.Request.Http.Headers["x-request-id"],
"scheme": r.Attributes.Request.Http.Scheme,
}
}
func (svc *LocalCheckService) keyFor(r *auth.AttributeContext_HttpRequest) string {
return strings.Join([]string{r.Method, r.Path}, ":")
}
|
