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
|
/*
GoToSocial
Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
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 <http://www.gnu.org/licenses/>.
*/
package webfinger
import (
"context"
"fmt"
"net/http"
"strings"
"github.com/gin-gonic/gin"
"github.com/sirupsen/logrus"
"github.com/superseriousbusiness/gotosocial/internal/ap"
"github.com/superseriousbusiness/gotosocial/internal/config"
)
// WebfingerGETRequest swagger:operation GET /.well-known/webfinger webfingerGet
//
// Handles webfinger account lookup requests.
//
// For example, a GET to `https://goblin.technology/.well-known/webfinger?resource=acct:tobi@goblin.technology` would return:
//
// ```
// {"subject":"acct:tobi@goblin.technology","aliases":["https://goblin.technology/users/tobi","https://goblin.technology/@tobi"],"links":[{"rel":"http://webfinger.net/rel/profile-page","type":"text/html","href":"https://goblin.technology/@tobi"},{"rel":"self","type":"application/activity+json","href":"https://goblin.technology/users/tobi"}]}
// ```
//
// See: https://webfinger.net/
//
// ---
// tags:
// - webfinger
//
// produces:
// - application/json
//
// responses:
// '200':
// schema:
// "$ref": "#/definitions/wellKnownResponse"
func (m *Module) WebfingerGETRequest(c *gin.Context) {
l := logrus.WithFields(logrus.Fields{
"func": "WebfingerGETRequest",
"user-agent": c.Request.UserAgent(),
})
resourceQuery, set := c.GetQuery("resource")
if !set || resourceQuery == "" {
l.Debug("aborting request because no resource was set in query")
c.JSON(http.StatusBadRequest, gin.H{"error": "no 'resource' in request query"})
return
}
// remove the acct: prefix if it's present
trimAcct := strings.TrimPrefix(resourceQuery, "acct:")
// remove the first @ in @whatever@example.org if it's present
namestring := strings.TrimPrefix(trimAcct, "@")
// at this point we should have a string like some_user@example.org
l.Debugf("got finger request for '%s'", namestring)
usernameAndAccountDomain := strings.Split(namestring, "@")
if len(usernameAndAccountDomain) != 2 {
l.Debugf("aborting request because username and domain could not be parsed from %s", namestring)
c.JSON(http.StatusBadRequest, gin.H{"error": "bad request"})
return
}
username := strings.ToLower(usernameAndAccountDomain[0])
requestedAccountDomain := strings.ToLower(usernameAndAccountDomain[1])
if username == "" || requestedAccountDomain == "" {
l.Debug("aborting request because username or domain was empty")
c.JSON(http.StatusBadRequest, gin.H{"error": "bad request"})
return
}
accountDomain := config.GetAccountDomain()
host := config.GetHost()
if requestedAccountDomain != accountDomain && requestedAccountDomain != host {
l.Debugf("aborting request because accountDomain %s does not belong to this instance", requestedAccountDomain)
c.JSON(http.StatusBadRequest, gin.H{"error": fmt.Sprintf("accountDomain %s does not belong to this instance", requestedAccountDomain)})
return
}
// transfer the signature verifier from the gin context to the request context
ctx := c.Request.Context()
verifier, signed := c.Get(string(ap.ContextRequestingPublicKeyVerifier))
if signed {
ctx = context.WithValue(ctx, ap.ContextRequestingPublicKeyVerifier, verifier)
}
resp, err := m.processor.GetWebfingerAccount(ctx, username)
if err != nil {
l.Debugf("aborting request with an error: %s", err.Error())
c.JSON(err.Code(), gin.H{"error": err.Safe()})
return
}
c.JSON(http.StatusOK, resp)
}
|
