blob: 2fe1dc684fa2b628ea6f91193548a0d8f00e9eba (
plain) (
blame)
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
|
/*
* Handle configuration
*
* Copyright (c) 2024 Runxi Yu <me@runxiyu.org>
* SPDX-License-Identifier: AGPL-3.0-or-later
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package main
import (
"bufio"
"fmt"
"os"
"git.sr.ht/~emersion/go-scfg"
)
/*
* We use two structs. The first has all of its values as pointers, and scfg
* unmarshals the configuration to it. Then we take each value, dereference
* it, and throw it into a normal config struct without pointers.
* This means that any missing configuration options will simply cause a
* segmentation fault.
*/
var configWithPointers struct {
URL *string `scfg:"url"`
Prod *bool `scfg:"prod"`
Tmpl *string `scfg:"tmpl"`
Static *bool `scfg:"static"`
Source *string `scfg:"source"`
Listen struct {
Proto *string `scfg:"proto"`
Net *string `scfg:"net"`
Addr *string `scfg:"addr"`
} `scfg:"listen"`
DB struct {
Type *string `scfg:"type"`
Conn *string `scfg:"conn"`
} `scfg:"db"`
Auth struct {
Client *string `scfg:"client"`
Authorize *string `scfg:"authorize"`
Jwks *string `scfg:"jwks"`
Token *string `scfg:"token"`
Secret *string `scfg:"secret"`
Expr *int `scfg:"expr"`
} `scfg:"auth"`
Perf struct {
SendQ *int `scfg:"sendq"`
MessageArgumentsCap *int `scfg:"msg_args_cap"`
MessageBytesCap *int `scfg:"msg_bytes_cap"`
ReadHeaderTimeout *int `scfg:"read_header_timeout"`
} `scfg:"perf"`
}
var config struct {
URL string
Prod bool
Tmpl string
Static bool
Source string
Listen struct {
Proto string
Net string
Addr string
}
DB struct {
Type string
Conn string
}
Auth struct {
Client string
Authorize string
Jwks string
Token string
Secret string
Expr int
}
Perf struct {
SendQ int
MessageArgumentsCap int
MessageBytesCap int
ReadHeaderTimeout int
} `scfg:"perf"`
}
func fetchConfig(path string) error {
f, err := os.Open(path)
if err != nil {
return fmt.Errorf("error opening configuration file: %w", err)
}
err = scfg.NewDecoder(bufio.NewReader(f)).Decode(&configWithPointers)
if err != nil {
return fmt.Errorf("error decoding configuration file: %w", err)
}
config.URL = *(configWithPointers.URL)
config.Prod = *(configWithPointers.Prod)
config.Tmpl = *(configWithPointers.Tmpl)
config.Static = *(configWithPointers.Static)
config.Source = *(configWithPointers.Source)
config.Listen.Proto = *(configWithPointers.Listen.Proto)
config.Listen.Net = *(configWithPointers.Listen.Net)
config.Listen.Addr = *(configWithPointers.Listen.Addr)
config.DB.Type = *(configWithPointers.DB.Type)
config.DB.Conn = *(configWithPointers.DB.Conn)
config.Auth.Client = *(configWithPointers.Auth.Client)
config.Auth.Authorize = *(configWithPointers.Auth.Authorize)
config.Auth.Jwks = *(configWithPointers.Auth.Jwks)
config.Auth.Token = *(configWithPointers.Auth.Token)
config.Auth.Secret = *(configWithPointers.Auth.Secret)
config.Auth.Expr = *(configWithPointers.Auth.Expr)
config.Perf.SendQ = *(configWithPointers.Perf.SendQ)
config.Perf.MessageArgumentsCap = *(configWithPointers.Perf.MessageArgumentsCap)
config.Perf.MessageBytesCap = *(configWithPointers.Perf.MessageBytesCap)
config.Perf.ReadHeaderTimeout = *(configWithPointers.Perf.ReadHeaderTimeout)
return nil
}
|
