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
152
153
154
155
156
157
158
159
160
161
162
|
/*
GoToSocial
Copyright (C) 2021 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 federation
import (
"context"
"errors"
"fmt"
"net/url"
"github.com/superseriousbusiness/activity/streams"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
)
func (p *processor) GetStatusReplies(ctx context.Context, requestedUsername string, requestedStatusID string, page bool, onlyOtherAccounts bool, minID string, requestURL *url.URL) (interface{}, gtserror.WithCode) {
// get the account the request is referring to
requestedAccount, err := p.db.GetLocalAccountByUsername(ctx, requestedUsername)
if err != nil {
return nil, gtserror.NewErrorNotFound(fmt.Errorf("database error getting account with username %s: %s", requestedUsername, err))
}
// authenticate the request
requestingAccountURI, authenticated, err := p.federator.AuthenticateFederatedRequest(ctx, requestedUsername)
if err != nil || !authenticated {
return nil, gtserror.NewErrorNotAuthorized(errors.New("not authorized"), "not authorized")
}
requestingAccount, _, err := p.federator.GetRemoteAccount(ctx, requestedUsername, requestingAccountURI, false)
if err != nil {
return nil, gtserror.NewErrorNotAuthorized(err)
}
// authorize the request:
// 1. check if a block exists between the requester and the requestee
blocked, err := p.db.IsBlocked(ctx, requestedAccount.ID, requestingAccount.ID, true)
if err != nil {
return nil, gtserror.NewErrorInternalError(err)
}
if blocked {
return nil, gtserror.NewErrorNotAuthorized(fmt.Errorf("block exists between accounts %s and %s", requestedAccount.ID, requestingAccount.ID))
}
// get the status out of the database here
s := >smodel.Status{}
if err := p.db.GetWhere(ctx, []db.Where{
{Key: "id", Value: requestedStatusID},
{Key: "account_id", Value: requestedAccount.ID},
}, s); err != nil {
return nil, gtserror.NewErrorNotFound(fmt.Errorf("database error getting status with id %s and account id %s: %s", requestedStatusID, requestedAccount.ID, err))
}
visible, err := p.filter.StatusVisible(ctx, s, requestingAccount)
if err != nil {
return nil, gtserror.NewErrorInternalError(err)
}
if !visible {
return nil, gtserror.NewErrorNotFound(fmt.Errorf("status with id %s not visible to user with id %s", s.ID, requestingAccount.ID))
}
var data map[string]interface{}
// now there are three scenarios:
// 1. we're asked for the whole collection and not a page -- we can just return the collection, with no items, but a link to 'first' page.
// 2. we're asked for a page but only_other_accounts has not been set in the query -- so we should just return the first page of the collection, with no items.
// 3. we're asked for a page, and only_other_accounts has been set, and min_id has optionally been set -- so we need to return some actual items!
switch {
case !page:
// scenario 1
// get the collection
collection, err := p.tc.StatusToASRepliesCollection(ctx, s, onlyOtherAccounts)
if err != nil {
return nil, gtserror.NewErrorInternalError(err)
}
data, err = streams.Serialize(collection)
if err != nil {
return nil, gtserror.NewErrorInternalError(err)
}
case page && requestURL.Query().Get("only_other_accounts") == "":
// scenario 2
// get the collection
collection, err := p.tc.StatusToASRepliesCollection(ctx, s, onlyOtherAccounts)
if err != nil {
return nil, gtserror.NewErrorInternalError(err)
}
// but only return the first page
data, err = streams.Serialize(collection.GetActivityStreamsFirst().GetActivityStreamsCollectionPage())
if err != nil {
return nil, gtserror.NewErrorInternalError(err)
}
default:
// scenario 3
// get immediate children
replies, err := p.db.GetStatusChildren(ctx, s, true, minID)
if err != nil {
return nil, gtserror.NewErrorInternalError(err)
}
// filter children and extract URIs
replyURIs := map[string]*url.URL{}
for _, r := range replies {
// only show public or unlocked statuses as replies
if r.Visibility != gtsmodel.VisibilityPublic && r.Visibility != gtsmodel.VisibilityUnlocked {
continue
}
// respect onlyOtherAccounts parameter
if onlyOtherAccounts && r.AccountID == requestedAccount.ID {
continue
}
// only show replies that the status owner can see
visibleToStatusOwner, err := p.filter.StatusVisible(ctx, r, requestedAccount)
if err != nil || !visibleToStatusOwner {
continue
}
// only show replies that the requester can see
visibleToRequester, err := p.filter.StatusVisible(ctx, r, requestingAccount)
if err != nil || !visibleToRequester {
continue
}
rURI, err := url.Parse(r.URI)
if err != nil {
continue
}
replyURIs[r.ID] = rURI
}
repliesPage, err := p.tc.StatusURIsToASRepliesPage(ctx, s, onlyOtherAccounts, minID, replyURIs)
if err != nil {
return nil, gtserror.NewErrorInternalError(err)
}
data, err = streams.Serialize(repliesPage)
if err != nil {
return nil, gtserror.NewErrorInternalError(err)
}
}
return data, nil
}
|
