oppi.li
1// Copyright 2021 The Gitea Authors. All rights reserved.
2// SPDX-License-Identifier: MIT
3
4package setting
5
6import (
7 "forgejo.org/modules/log"
8
9 "github.com/42wim/httpsig"
10)
11
12// Federation settings
13var (
14 Federation = struct {
15 Enabled bool
16 ShareUserStatistics bool
17 MaxSize int64
18 SignatureAlgorithms []string
19 DigestAlgorithm string
20 GetHeaders []string
21 PostHeaders []string
22 SignatureEnforced bool
23 }{
24 Enabled: false,
25 ShareUserStatistics: true,
26 MaxSize: 4,
27 SignatureAlgorithms: []string{"rsa-sha256", "rsa-sha512", "ed25519"},
28 DigestAlgorithm: "SHA-256",
29 GetHeaders: []string{"(request-target)", "Date", "Host"},
30 PostHeaders: []string{"(request-target)", "Date", "Host", "Digest"},
31 SignatureEnforced: true,
32 }
33)
34
35// HttpsigAlgs is a constant slice of httpsig algorithm objects
36var HttpsigAlgs []httpsig.Algorithm
37
38func loadFederationFrom(rootCfg ConfigProvider) {
39 if err := rootCfg.Section("federation").MapTo(&Federation); err != nil {
40 log.Fatal("Failed to map Federation settings: %v", err)
41 } else if !httpsig.IsSupportedDigestAlgorithm(Federation.DigestAlgorithm) {
42 log.Fatal("unsupported digest algorithm: %s", Federation.DigestAlgorithm)
43 return
44 }
45
46 // Get MaxSize in bytes instead of MiB
47 Federation.MaxSize = 1 << 20 * Federation.MaxSize
48
49 HttpsigAlgs = make([]httpsig.Algorithm, len(Federation.SignatureAlgorithms))
50 for i, alg := range Federation.SignatureAlgorithms {
51 HttpsigAlgs[i] = httpsig.Algorithm(alg)
52 }
53}