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
|
package main
import (
"context"
"errors"
"fmt"
sr "tildegit.org/tjp/sliderule"
"tildegit.org/tjp/sliderule/contrib/cgi"
"tildegit.org/tjp/sliderule/contrib/fs"
"tildegit.org/tjp/sliderule/gemini"
"tildegit.org/tjp/sliderule/gemini/gemtext/atomconv"
"tildegit.org/tjp/sliderule/logging"
"tildegit.org/tjp/syw"
)
func buildGeminiServers(servers []Server, config *Configuration) ([]sr.Server, error) {
_, info, _, errlog := Loggers(config)
_ = info.Log("msg", "building gemini servers", "count", len(servers))
groups := map[string][]*Server{}
for i := range servers {
addr := fmt.Sprintf("%s:%d", servers[i].IP.String(), servers[i].Port)
grp, ok := groups[addr]
if !ok {
groups[addr] = []*Server{&servers[i]}
} else {
groups[addr] = append(grp, &servers[i])
}
}
result := []sr.Server{}
for addr, configs := range groups {
_ = info.Log("msg", "building gemini server", "addr", addr)
var handler sr.Handler
if len(configs) == 1 {
handler = routes(*configs[0])
} else {
mapping := map[string]sr.Handler{}
for _, config := range configs {
router := routes(*config)
for _, hostname := range config.Hostnames {
mapping[hostname] = router
}
}
var catchall sr.Handler
if len(configs[0].Hostnames) > 0 {
catchall = mapping[configs[0].Hostnames[0]]
}
handler = sr.VirtualHosts(mapping, catchall)
}
var hostname string
for _, conf := range configs {
if len(conf.Hostnames) > 0 {
hostname = conf.Hostnames[0]
break
}
}
if configs[0].TLS == nil {
return nil, errors.New("gemini server must have a servertls directive")
}
gemsrv, err := gemini.NewServer(
context.Background(),
hostname,
"tcp",
addr,
logging.LogRequests(info)(handler),
errlog,
configs[0].TLS,
)
if err != nil {
return nil, err
}
result = append(result, gemsrv)
}
return result, nil
}
func addGeminiRoute(router *sr.Router, route RouteDirective) {
switch route.Type {
case "static":
addGeminiStaticRoute(router, route)
case "cgi":
buildAndAddRoute(router, route, func(route RouteDirective) sr.Handler {
handler := cgi.GeminiCGIDirectory(route.FsPath, route.URLPath)
if route.Modifiers.AutoAtom {
handler = atomconv.Auto(handler)
}
return GeminiAuthMiddleware(route.Auth)(handler)
})
case "git":
buildAndAddRoute(router, route, func(route RouteDirective) sr.Handler {
var handler sr.Handler = syw.GeminiRouter(route.FsPath, nil)
if route.Modifiers.AutoAtom {
handler = atomconv.Auto(handler)
}
return GeminiAuthMiddleware(route.Auth)(handler)
})
}
}
func addGeminiStaticRoute(router *sr.Router, route RouteDirective) {
buildAndAddRoute(router, route, func(route RouteDirective) sr.Handler {
handlers := []sr.Handler{}
if route.Modifiers.Exec {
handlers = append(handlers, cgi.GeminiCGIDirectory(route.FsPath, route.URLPath))
}
handlers = append(handlers, fs.GeminiFileHandler(route.FsPath, route.URLPath))
if route.Modifiers.DirDefault != "" {
handlers = append(
handlers,
fs.GeminiDirectoryDefault(route.FsPath, route.URLPath, route.Modifiers.DirDefault),
)
}
if route.Modifiers.DirList {
handlers = append(handlers, fs.GeminiDirectoryListing(route.FsPath, route.URLPath, nil))
}
var handler sr.Handler
if len(handlers) == 1 {
handler = handlers[0]
}
handler = sr.FallthroughHandler(handlers...)
if route.Modifiers.AutoAtom {
handler = atomconv.Auto(handler)
}
handler = GeminiAuthMiddleware(route.Auth)(handler)
if route.Modifiers.Titan != nil {
titan := fs.TitanUpload(route.FsPath, route.URLPath, route.Modifiers.Titan.Strategy.Approve)(handler)
handler = sr.Filter(func(ctx context.Context, request *sr.Request) bool {
return request.Scheme == "titan"
}, handler)(titan)
}
return handler
})
}
|
