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
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
// 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 common
import (
"context"
"errors"
"fmt"
"net/http"
apimodel "code.superseriousbusiness.org/gotosocial/internal/api/model"
"code.superseriousbusiness.org/gotosocial/internal/db"
"code.superseriousbusiness.org/gotosocial/internal/gtscontext"
"code.superseriousbusiness.org/gotosocial/internal/gtserror"
"code.superseriousbusiness.org/gotosocial/internal/gtsmodel"
"code.superseriousbusiness.org/gotosocial/internal/log"
"code.superseriousbusiness.org/gotosocial/internal/processing/stream"
"code.superseriousbusiness.org/gotosocial/internal/state"
)
type Processor struct {
state *state.State
stream *stream.Processor
}
func New(state *state.State, stream *stream.Processor) *Processor {
return &Processor{state, stream}
}
// CheckFilterExists calls .GetFilter() with a barebones context to not
// fetch any sub-models, and not returning the result. this functionally
// just uses .GetFilter() for the ownership and existence checks.
func (p *Processor) CheckFilterExists(
ctx context.Context,
requester *gtsmodel.Account,
id string,
) gtserror.WithCode {
_, errWithCode := p.GetFilter(gtscontext.SetBarebones(ctx), requester, id)
return errWithCode
}
// GetFilter fetches the filter with given ID, also checking
// the given requesting account is the owner of the filter.
func (p *Processor) GetFilter(
ctx context.Context,
requester *gtsmodel.Account,
id string,
) (
*gtsmodel.Filter,
gtserror.WithCode,
) {
// Get the filter from the database with given ID.
filter, err := p.state.DB.GetFilterByID(ctx, id)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
err := gtserror.Newf("error getting filter: %w", err)
return nil, gtserror.NewErrorInternalError(err)
}
// Check it exists.
if filter == nil {
const text = "filter not found"
return nil, gtserror.NewWithCode(http.StatusNotFound, text)
}
// Check that the requester owns it.
if filter.AccountID != requester.ID {
const text = "filter not found"
err := gtserror.New("filter does not belong to account")
return nil, gtserror.NewErrorNotFound(err, text)
}
return filter, nil
}
// GetFilterStatus fetches the filter status with given ID, also
// checking the given requesting account is the owner of it.
func (p *Processor) GetFilterStatus(
ctx context.Context,
requester *gtsmodel.Account,
id string,
) (
*gtsmodel.FilterStatus,
*gtsmodel.Filter,
gtserror.WithCode,
) {
// Get the filter status from the database with given ID.
filterStatus, err := p.state.DB.GetFilterStatusByID(ctx, id)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
err := gtserror.Newf("error getting filter status: %w", err)
return nil, nil, gtserror.NewErrorInternalError(err)
}
// Check it even exists.
if filterStatus == nil {
const text = "filter status not found"
return nil, nil, gtserror.NewWithCode(http.StatusNotFound, text)
}
// Get the filter this filter status is
// associated with, without sub-models.
// (this also checks filter ownership).
filter, errWithCode := p.GetFilter(
gtscontext.SetBarebones(ctx),
requester,
filterStatus.FilterID,
)
if errWithCode != nil {
return nil, nil, errWithCode
}
return filterStatus, filter, nil
}
// GetFilterKeyword fetches the filter keyword with given ID,
// also checking the given requesting account is the owner of it.
func (p *Processor) GetFilterKeyword(
ctx context.Context,
requester *gtsmodel.Account,
id string,
) (
*gtsmodel.FilterKeyword,
*gtsmodel.Filter,
gtserror.WithCode,
) {
// Get the filter keyword from the database with given ID.
keyword, err := p.state.DB.GetFilterKeywordByID(ctx, id)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
err := gtserror.Newf("error getting filter keyword: %w", err)
return nil, nil, gtserror.NewErrorInternalError(err)
}
// Check it exists.
if keyword == nil {
const text = "filter keyword not found"
return nil, nil, gtserror.NewWithCode(http.StatusNotFound, text)
}
// Get the filter this filter keyword is
// associated with, without sub-models.
// (this also checks filter ownership).
filter, errWithCode := p.GetFilter(
gtscontext.SetBarebones(ctx),
requester,
keyword.FilterID,
)
if errWithCode != nil {
return nil, nil, errWithCode
}
return keyword, filter, nil
}
// OnFilterChanged ...
func (p *Processor) OnFilterChanged(ctx context.Context, requester *gtsmodel.Account) {
// Get list of list IDs created by this requesting account.
listIDs, err := p.state.DB.GetListIDsByAccountID(ctx, requester.ID)
if err != nil {
log.Errorf(ctx, "error getting account '%s' lists: %v", requester.Username, err)
}
// Unprepare this requester's home timeline.
p.state.Caches.Timelines.Home.Unprepare(requester.ID)
// Unprepare list timelines.
for _, id := range listIDs {
p.state.Caches.Timelines.List.Unprepare(id)
}
// Send filter changed event for account.
p.stream.FiltersChanged(ctx, requester)
}
// FromAPIContexts converts a slice of frontend API model FilterContext types to our internal FilterContexts bit field.
func FromAPIContexts(apiContexts []apimodel.FilterContext) (gtsmodel.FilterContexts, gtserror.WithCode) {
var contexts gtsmodel.FilterContexts
for _, context := range apiContexts {
switch context {
case apimodel.FilterContextHome:
contexts.SetHome()
case apimodel.FilterContextNotifications:
contexts.SetNotifications()
case apimodel.FilterContextPublic:
contexts.SetPublic()
case apimodel.FilterContextThread:
contexts.SetThread()
case apimodel.FilterContextAccount:
contexts.SetAccount()
default:
text := fmt.Sprintf("unsupported filter context: %s", context)
return 0, gtserror.NewWithCode(http.StatusBadRequest, text)
}
}
return contexts, nil
}
|
