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
|
// GoToSocial
// Copyright (C) GoToSocial Authors admin@gotosocial.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 <http://www.gnu.org/licenses/>.
package processing
import (
"context"
"errors"
"fmt"
"code.superseriousbusiness.org/gotosocial/internal/config"
"code.superseriousbusiness.org/gotosocial/internal/db"
"code.superseriousbusiness.org/gotosocial/internal/federation"
"code.superseriousbusiness.org/gotosocial/internal/gtscontext"
"code.superseriousbusiness.org/gotosocial/internal/gtsmodel"
"code.superseriousbusiness.org/gotosocial/internal/id"
"code.superseriousbusiness.org/gotosocial/internal/state"
"code.superseriousbusiness.org/gotosocial/internal/util"
)
// GetParseMentionFunc returns a new ParseMentionFunc using the provided state and federator.
// State is used for doing local database lookups; federator is used for remote account lookups (if necessary).
func GetParseMentionFunc(state *state.State, federator *federation.Federator) gtsmodel.ParseMentionFunc {
return func(ctx context.Context, namestring string, originAccountID string, statusID string) (*gtsmodel.Mention, error) {
// Get the origin account first since
// we'll need it to create the mention.
originAcct, err := state.DB.GetAccountByID(ctx, originAccountID)
if err != nil {
return nil, fmt.Errorf(
"db error getting mention origin account %s: %w",
originAccountID, err,
)
}
// Parse target components from the
// "@someone@example.org" namestring.
targetUsername, targetHost, err := util.ExtractNamestringParts(namestring)
if err != nil {
return nil, fmt.Errorf(
"error extracting mention target: %w",
err,
)
}
// It's a "local" mention if namestring
// looks like one of the following:
//
// - "@someone" with no host component.
// - "@someone@gts.example.org" and we're host "gts.example.org".
// - "@someone@example.org" and we're account-domain "example.org".
local := targetHost == "" ||
targetHost == config.GetHost() ||
targetHost == config.GetAccountDomain()
// Either a local or remote
// target for the mention.
var targetAcct *gtsmodel.Account
if local {
// Lookup local target accounts in the db only.
targetAcct, err = state.DB.GetAccountByUsernameDomain(ctx, targetUsername, "")
if err != nil {
return nil, fmt.Errorf(
"db error getting mention local target account %s: %w",
targetUsername, err,
)
}
} else {
// If origin account is local, use
// it to do potential dereference.
// Else fallback to empty string,
// which uses instance account.
var requestUser string
if originAcct.IsLocal() {
requestUser = originAcct.Username
}
targetAcct, _, err = federator.GetAccountByUsernameDomain(
gtscontext.SetFastFail(ctx),
requestUser,
targetUsername,
targetHost,
)
if err != nil {
return nil, fmt.Errorf(
"error fetching mention remote target account: %w",
err,
)
}
}
// Check if the mention was
// in the database already.
if statusID != "" {
mention, err := state.DB.GetMentionByTargetAcctStatus(ctx, targetAcct.ID, statusID)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
return nil, fmt.Errorf(
"db error checking for existing mention: %w",
err,
)
}
if mention != nil {
// We had it, return this rather
// than creating a new one.
mention.NameString = namestring
mention.OriginAccountURI = originAcct.URI
mention.TargetAccountURI = targetAcct.URI
mention.TargetAccountURL = targetAcct.URL
return mention, nil
}
}
// Return new mention with useful populated fields,
// but *don't* store it in the database; that's
// up to the calling function to do, if they want.
return >smodel.Mention{
ID: id.NewULID(),
StatusID: statusID,
OriginAccountID: originAcct.ID,
OriginAccountURI: originAcct.URI,
OriginAccount: originAcct,
TargetAccountID: targetAcct.ID,
TargetAccountURI: targetAcct.URI,
TargetAccountURL: targetAcct.URL,
TargetAccount: targetAcct,
NameString: namestring,
// Mention wasn't
// stored in the db.
IsNew: true,
}, nil
}
}
|
