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
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
|
package stfe
import (
"context"
"crypto/ed25519"
"fmt"
"net/http"
"strings"
"github.com/golang/glog"
"github.com/google/trillian"
"github.com/system-transparency/stfe/types"
)
// Endpoint is a named HTTP API endpoint
type Endpoint string
const (
EndpointAddEntry = Endpoint("add-leaf")
EndpointAddCosignature = Endpoint("add-cosignature")
EndpointGetLatestSth = Endpoint("get-tree-head-latest")
EndpointGetStableSth = Endpoint("get-tree-head-to-sign")
EndpointGetCosignedSth = Endpoint("get-tree-head-cosigned")
EndpointGetProofByHash = Endpoint("get-proof-by-hash")
EndpointGetConsistencyProof = Endpoint("get-consistency-proof")
EndpointGetEntries = Endpoint("get-leaves")
)
// Path joins a number of components to form a full endpoint path, e.g., base
// ("example.com"), prefix ("st/v1"), and the endpoint itself ("get-sth").
func (e Endpoint) Path(components ...string) string {
return strings.Join(append(components, string(e)), "/")
}
func addEntry(ctx context.Context, i *Instance, w http.ResponseWriter, r *http.Request) (int, error) {
glog.V(3).Info("handling add-entry request")
leaf, err := i.LogParameters.parseAddEntryV1Request(r)
if err != nil {
return http.StatusBadRequest, fmt.Errorf("parseAddEntryV1Request: %v", err)
}
trsp, err := i.Client.QueueLeaf(ctx, &trillian.QueueLeafRequest{
LogId: i.LogParameters.TreeId,
Leaf: &trillian.LogLeaf{
LeafValue: leaf.Marshal(),
ExtraData: nil,
},
})
if errInner := checkQueueLeaf(trsp, err); errInner != nil {
return http.StatusInternalServerError, fmt.Errorf("bad QueueLeafResponse: %v", errInner)
}
return http.StatusOK, nil
}
func addCosignature(ctx context.Context, i *Instance, w http.ResponseWriter, r *http.Request) (int, error) {
glog.V(3).Info("handling add-cosignature request")
req, err := i.LogParameters.parseAddCosignatureRequest(r)
if err != nil {
return http.StatusBadRequest, fmt.Errorf("parseAddCosignatureRequest: %v", err)
}
vk := i.LogParameters.Witnesses[*req.KeyHash]
if err := i.SthSource.AddCosignature(ctx, ed25519.PublicKey(vk[:]), req.Signature); err != nil {
return http.StatusBadRequest, fmt.Errorf("AddCosignature: %v", err)
}
return http.StatusOK, nil
}
func getLatestSth(ctx context.Context, i *Instance, w http.ResponseWriter, _ *http.Request) (int, error) {
glog.V(3).Info("handling get-latest-sth request")
sth, err := i.SthSource.Latest(ctx)
if err != nil {
return http.StatusInternalServerError, fmt.Errorf("Latest: %v", err)
}
if err := sth.MarshalASCII(w); err != nil {
return http.StatusInternalServerError, fmt.Errorf("MarshalASCII: %v", err)
}
return http.StatusOK, nil
}
func getStableSth(ctx context.Context, i *Instance, w http.ResponseWriter, _ *http.Request) (int, error) {
glog.V(3).Info("handling get-stable-sth request")
sth, err := i.SthSource.Stable(ctx)
if err != nil {
return http.StatusInternalServerError, fmt.Errorf("Latest: %v", err)
}
if err := sth.MarshalASCII(w); err != nil {
return http.StatusInternalServerError, fmt.Errorf("MarshalASCII: %v", err)
}
return http.StatusOK, nil
}
func getCosignedSth(ctx context.Context, i *Instance, w http.ResponseWriter, _ *http.Request) (int, error) {
glog.V(3).Info("handling get-cosigned-sth request")
sth, err := i.SthSource.Cosigned(ctx)
if err != nil {
return http.StatusInternalServerError, fmt.Errorf("Cosigned: %v", err)
}
if err := sth.MarshalASCII(w); err != nil {
return http.StatusInternalServerError, fmt.Errorf("MarshalASCII: %v", err)
}
return http.StatusOK, nil
}
func getConsistencyProof(ctx context.Context, i *Instance, w http.ResponseWriter, r *http.Request) (int, error) {
glog.V(3).Info("handling get-consistency-proof request")
req, err := i.LogParameters.parseGetConsistencyProofRequest(r)
if err != nil {
return http.StatusBadRequest, err
}
trsp, err := i.Client.GetConsistencyProof(ctx, &trillian.GetConsistencyProofRequest{
LogId: i.LogParameters.TreeId,
FirstTreeSize: int64(req.OldSize),
SecondTreeSize: int64(req.NewSize),
})
if errInner := checkGetConsistencyProof(i.LogParameters, trsp, err); errInner != nil {
return http.StatusInternalServerError, fmt.Errorf("bad GetConsistencyProofResponse: %v", errInner)
}
proof := &types.ConsistencyProof{
NewSize: req.NewSize,
OldSize: req.OldSize,
Path: NodePathFromHashes(trsp.Proof.Hashes),
}
if err := proof.MarshalASCII(w); err != nil {
return http.StatusInternalServerError, fmt.Errorf("MarshalASCII: %v", err)
}
return http.StatusOK, nil
}
//func getProofByHash(ctx context.Context, i *Instance, w http.ResponseWriter, r *http.Request) (int, error) {
// glog.V(3).Info("handling get-proof-by-hash request")
// req, err := i.LogParameters.parseGetProofByHashV1Request(r)
// if err != nil {
// return http.StatusBadRequest, err
// }
//
// trsp, err := i.Client.GetInclusionProofByHash(ctx, &trillian.GetInclusionProofByHashRequest{
// LogId: i.LogParameters.TreeId,
// LeafHash: req.Hash[:],
// TreeSize: int64(req.TreeSize),
// OrderBySequence: true,
// })
// if errInner := checkGetInclusionProofByHash(i.LogParameters, trsp, err); errInner != nil {
// return http.StatusInternalServerError, fmt.Errorf("bad GetInclusionProofByHashResponse: %v", errInner)
// }
//
// if err := writeOctetResponse(w, *types.NewInclusionProofV1(i.LogParameters.LogId, req.TreeSize, uint64(trsp.Proof[0].LeafIndex), NewNodePathFromHashPath(trsp.Proof[0].Hashes))); err != nil {
// return http.StatusInternalServerError, fmt.Errorf("writeOctetResponse: %v", err)
// }
// return http.StatusOK, nil
//}
//
//func getEntries(ctx context.Context, i *Instance, w http.ResponseWriter, r *http.Request) (int, error) {
// glog.V(3).Info("handling get-entries request")
// req, err := i.LogParameters.parseGetEntriesV1Request(r)
// if err != nil {
// return http.StatusBadRequest, err
// }
//
// trsp, err := i.Client.GetLeavesByRange(ctx, &trillian.GetLeavesByRangeRequest{
// LogId: i.LogParameters.TreeId,
// StartIndex: int64(req.Start),
// Count: int64(req.End-req.Start) + 1,
// })
// if errInner := checkGetLeavesByRange(req, trsp, err); errInner != nil {
// return http.StatusInternalServerError, fmt.Errorf("checkGetLeavesByRangeResponse: %v", errInner) // there is one StatusBadRequest in here tho..
// }
//
// if rsp, err := NewStItemListFromLeaves(trsp.Leaves); err != nil {
// return http.StatusInternalServerError, fmt.Errorf("NewStItemListFromLeaves: %v", err) // should never happen
// } else if err := writeOctetResponse(w, *rsp); err != nil {
// return http.StatusInternalServerError, fmt.Errorf("writeOctetResponse: %v", err)
// }
// return http.StatusOK, nil
//}
//
//func writeOctetResponse(w http.ResponseWriter, i interface{}) error {
// b, err := types.Marshal(i)
// if err != nil {
// return fmt.Errorf("Marshal: %v", err)
// }
// w.Header().Set("Content-Type", "application/octet-stream")
// if _, err := w.Write(b); err != nil {
// return fmt.Errorf("Write: %v", err)
// }
// return nil
//}
|
