gotosocial/internal/id/ulid.go
kim 23fc70f4e6
[feature] add support for receiving federated status edits (#3597)
* add support for extracting Updated field from Statusable implementers

* add support for status edits in the database, and update status dereferencer to handle them

* remove unused AdditionalInfo{}.CreatedAt

* remove unused AdditionalEmojiInfo{}.CreatedAt

* update new mention creation to use status.UpdatedAt

* remove mention.UpdatedAt, fixes related to NewULIDFromTime() change

* add migration to remove Mention{}.UpdatedAt field

* add migration to add the StatusEdit{} table

* start adding tests, add delete function for status edits

* add more of status edit migrations, fill in more of the necessary edit delete functionality

* remove unused function

* allow generating gotosocial compatible ulid via CLI with `go run ./cmd/gen-ulid`

* add StatusEdit{} test models

* fix new statusedits sql

* use model instead of table name

* actually remove the Mention.UpdatedAt field...

* fix tests now new models are added, add more status edit DB tests

* fix panic wording

* add test for deleting status edits

* don't automatically set `updated_at` field on updated statuses

* flesh out more of the dereferencer status edit tests, ensure updated at field set on outgoing AS statuses

* remove media_attachments.updated_at column

* fix up more tests, further complete the dereferencer status edit tests

* update more status serialization tests not expecting 'updated' AS property

* gah!! json serialization tests!!

* undo some gtscontext wrapping changes

* more serialization test fixing 🥲

* more test fixing, ensure the edit.status_id field is actually set 🤦

* fix status edit test

* grrr linter

* add edited_at field to apimodel status

* remove the choice of paging on the timeline public filtered test (otherwise it needs updating every time you add statuses ...)

* ensure that status.updated_at always fits chronologically

* fix more serialization tests ...

* add more code comments

* fix envparsing

* update swagger file

* properly handle media description changes during status edits

* slight formatting tweak

* code comment
2024-12-05 13:35:07 +00:00

85 lines
2.6 KiB
Go

// 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 id
import (
"crypto/rand"
"math/big"
"time"
"codeberg.org/gruf/go-kv"
"github.com/oklog/ulid"
"github.com/superseriousbusiness/gotosocial/internal/log"
)
const (
Highest = "ZZZZZZZZZZZZZZZZZZZZZZZZZZ" // Highest is the highest possible ULID
Lowest = "00000000000000000000000000" // Lowest is the lowest possible ULID
randomRange = 631152381 // ~20 years in seconds
)
// ULID represents a Universally Unique Lexicographically Sortable Identifier of 26 characters. See https://github.com/oklog/ulid
type ULID string
// NewULID returns a new ULID string using the current time.
func NewULID() string {
ulid, err := ulid.New(
ulid.Timestamp(time.Now()), rand.Reader,
)
if err != nil {
panic(err)
}
return ulid.String()
}
// NewULIDFromTime returns a new ULID string using
// given time, or from current time on any error.
func NewULIDFromTime(t time.Time) string {
ts := ulid.Timestamp(t)
if ts > ulid.MaxTime() {
log.WarnKVs(nil, kv.Fields{
{K: "caller", V: log.Caller(2)},
{K: "value", V: t},
{K: "msg", V: "invalid ulid time"},
}...)
ts = ulid.Now()
}
return ulid.MustNew(ts, rand.Reader).String()
}
// NewRandomULID returns a new ULID string using a random time in an ~80 year range around the current datetime, or an error if something goes wrong.
func NewRandomULID() (string, error) {
b1, err := rand.Int(rand.Reader, big.NewInt(randomRange))
if err != nil {
return "", err
}
r1 := time.Duration(int(b1.Int64()))
b2, err := rand.Int(rand.Reader, big.NewInt(randomRange))
if err != nil {
return "", err
}
r2 := -time.Duration(int(b2.Int64()))
arbitraryTime := time.Now().Add(r1 * time.Second).Add(r2 * time.Second)
newUlid, err := ulid.New(ulid.Timestamp(arbitraryTime), rand.Reader)
if err != nil {
return "", err
}
return newUlid.String(), nil
}