GoToSocial/internal/typeutils/internaltofrontend.go

2550 lines
83 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 typeutils
import (
"context"
"errors"
"fmt"
"strings"
"time"
"codeberg.org/gruf/go-debug"
apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/db"
statusfilter "github.com/superseriousbusiness/gotosocial/internal/filter/status"
"github.com/superseriousbusiness/gotosocial/internal/filter/usermute"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/language"
"github.com/superseriousbusiness/gotosocial/internal/log"
"github.com/superseriousbusiness/gotosocial/internal/media"
"github.com/superseriousbusiness/gotosocial/internal/text"
"github.com/superseriousbusiness/gotosocial/internal/uris"
"github.com/superseriousbusiness/gotosocial/internal/util"
)
const (
instanceStatusesCharactersReservedPerURL = 25
instanceMediaAttachmentsImageMatrixLimit = 16777216 // width * height
instanceMediaAttachmentsVideoMatrixLimit = 16777216 // width * height
instanceMediaAttachmentsVideoFrameRateLimit = 60
instancePollsMinExpiration = 300 // seconds
instancePollsMaxExpiration = 2629746 // seconds
instanceAccountsMaxFeaturedTags = 10
instanceAccountsMaxProfileFields = 6 // FIXME: https://github.com/superseriousbusiness/gotosocial/issues/1876
instanceSourceURL = "https://github.com/superseriousbusiness/gotosocial"
instanceMastodonVersion = "3.5.3"
)
var instanceStatusesSupportedMimeTypes = []string{
string(apimodel.StatusContentTypePlain),
string(apimodel.StatusContentTypeMarkdown),
}
func toMastodonVersion(in string) string {
return instanceMastodonVersion + "+" + strings.ReplaceAll(in, " ", "-")
}
// UserToAPIUser converts a *gtsmodel.User to an API
// representation suitable for serving to that user.
//
// Contains sensitive info so should only
// ever be served to the user themself.
func (c *Converter) UserToAPIUser(ctx context.Context, u *gtsmodel.User) *apimodel.User {
user := &apimodel.User{
ID: u.ID,
CreatedAt: util.FormatISO8601(u.CreatedAt),
Email: u.Email,
UnconfirmedEmail: u.UnconfirmedEmail,
Reason: u.Reason,
Moderator: *u.Moderator,
Admin: *u.Admin,
Disabled: *u.Disabled,
Approved: *u.Approved,
}
// Zero-able dates.
if !u.LastEmailedAt.IsZero() {
user.LastEmailedAt = util.FormatISO8601(u.LastEmailedAt)
}
if !u.ConfirmedAt.IsZero() {
user.ConfirmedAt = util.FormatISO8601(u.ConfirmedAt)
}
if !u.ConfirmationSentAt.IsZero() {
user.ConfirmationSentAt = util.FormatISO8601(u.ConfirmationSentAt)
}
if !u.ResetPasswordSentAt.IsZero() {
user.ResetPasswordSentAt = util.FormatISO8601(u.ResetPasswordSentAt)
}
return user
}
// AppToAPIAppSensitive takes a db model application as a param, and returns a populated apitype application, or an error
// if something goes wrong. The returned application should be ready to serialize on an API level, and may have sensitive fields
// (such as client id and client secret), so serve it only to an authorized user who should have permission to see it.
func (c *Converter) AccountToAPIAccountSensitive(ctx context.Context, a *gtsmodel.Account) (*apimodel.Account, error) {
// We can build this sensitive account model
// by first getting the public account, and
// then adding the Source object to it.
apiAccount, err := c.AccountToAPIAccountPublic(ctx, a)
if err != nil {
return nil, err
}
// Ensure account stats populated.
if a.Stats == nil {
if err := c.state.DB.PopulateAccountStats(ctx, a); err != nil {
return nil, gtserror.Newf(
"error getting stats for account %s: %w",
a.ID, err,
)
}
}
statusContentType := string(apimodel.StatusContentTypeDefault)
if a.Settings.StatusContentType != "" {
statusContentType = a.Settings.StatusContentType
}
apiAccount.Source = &apimodel.Source{
Privacy: c.VisToAPIVis(ctx, a.Settings.Privacy),
Sensitive: *a.Settings.Sensitive,
Language: a.Settings.Language,
StatusContentType: statusContentType,
Note: a.NoteRaw,
Fields: c.fieldsToAPIFields(a.FieldsRaw),
FollowRequestsCount: *a.Stats.FollowRequestsCount,
AlsoKnownAsURIs: a.AlsoKnownAsURIs,
}
return apiAccount, nil
}
// AccountToAPIAccountPublic takes a db model account as a param, and returns a populated apitype account, or an error
// if something goes wrong. The returned account should be ready to serialize on an API level, and may NOT have sensitive fields.
// In other words, this is the public record that the server has of an account.
func (c *Converter) AccountToAPIAccountPublic(ctx context.Context, a *gtsmodel.Account) (*apimodel.Account, error) {
account, err := c.accountToAPIAccountPublic(ctx, a)
if err != nil {
return nil, err
}
if a.MovedTo != nil {
account.Moved, err = c.accountToAPIAccountPublic(ctx, a.MovedTo)
if err != nil {
log.Errorf(ctx, "error converting account movedTo: %v", err)
}
}
return account, nil
}
// AccountToWebAccount converts a gts model account into an
// api representation suitable for serving into a web template.
//
// Should only be used when preparing to template an account,
// callers looking to serialize an account into a model for
// serving over the client API should always use one of the
// AccountToAPIAccount functions instead.
func (c *Converter) AccountToWebAccount(
ctx context.Context,
a *gtsmodel.Account,
) (*apimodel.WebAccount, error) {
apiAccount, err := c.AccountToAPIAccountPublic(ctx, a)
if err != nil {
return nil, err
}
webAccount := &apimodel.WebAccount{
Account: apiAccount,
}
// Set additional avatar information for
// serving the avatar in a nice <picture>.
if ogAvi := a.AvatarMediaAttachment; ogAvi != nil {
avatarAttachment, err := c.AttachmentToAPIAttachment(ctx, ogAvi)
if err != nil {
// This is just extra data so just
// log but don't return any error.
log.Errorf(ctx, "error converting account avatar attachment: %v", err)
} else {
webAccount.AvatarAttachment = &apimodel.WebAttachment{
Attachment: &avatarAttachment,
MIMEType: ogAvi.File.ContentType,
PreviewMIMEType: ogAvi.Thumbnail.ContentType,
}
}
}
// Set additional header information for
// serving the header in a nice <picture>.
if ogHeader := a.HeaderMediaAttachment; ogHeader != nil {
headerAttachment, err := c.AttachmentToAPIAttachment(ctx, ogHeader)
if err != nil {
// This is just extra data so just
// log but don't return any error.
log.Errorf(ctx, "error converting account header attachment: %v", err)
} else {
webAccount.HeaderAttachment = &apimodel.WebAttachment{
Attachment: &headerAttachment,
MIMEType: ogHeader.File.ContentType,
PreviewMIMEType: ogHeader.Thumbnail.ContentType,
}
}
}
return webAccount, nil
}
// accountToAPIAccountPublic provides all the logic for AccountToAPIAccount, MINUS fetching moved account, to prevent possible recursion.
func (c *Converter) accountToAPIAccountPublic(ctx context.Context, a *gtsmodel.Account) (*apimodel.Account, error) {
// Populate account struct fields.
err := c.state.DB.PopulateAccount(ctx, a)
switch {
case err == nil:
// No problem.
case a.Stats != nil:
// We have stats so that's
// *maybe* OK, try to continue.
log.Errorf(ctx, "error(s) populating account, will continue: %s", err)
default:
// There was an error and we don't
// have stats, we can't continue.
return nil, gtserror.Newf("account stats not populated, could not continue: %w", err)
}
// Basic account stats:
// - Followers count
// - Following count
// - Statuses count
// - Last status time
var (
followersCount = *a.Stats.FollowersCount
followingCount = *a.Stats.FollowingCount
statusesCount = *a.Stats.StatusesCount
lastStatusAt = func() *string {
if a.Stats.LastStatusAt.IsZero() {
return nil
}
return util.Ptr(util.FormatISO8601(a.Stats.LastStatusAt))
}()
)
// Profile media + nice extras:
// - Avatar
// - Header
// - Fields
// - Emojis
var (
aviURL string
aviURLStatic string
aviDesc string
headerURL string
headerURLStatic string
headerDesc string
)
if a.AvatarMediaAttachment != nil {
aviURL = a.AvatarMediaAttachment.URL
aviURLStatic = a.AvatarMediaAttachment.Thumbnail.URL
aviDesc = a.AvatarMediaAttachment.Description
}
if a.HeaderMediaAttachment != nil {
headerURL = a.HeaderMediaAttachment.URL
headerURLStatic = a.HeaderMediaAttachment.Thumbnail.URL
headerDesc = a.HeaderMediaAttachment.Description
}
// convert account gts model fields to front api model fields
fields := c.fieldsToAPIFields(a.Fields)
// GTS model emojis -> frontend.
apiEmojis, err := c.convertEmojisToAPIEmojis(ctx, a.Emojis, a.EmojiIDs)
if err != nil {
log.Errorf(ctx, "error converting account emojis: %v", err)
}
// Bits that vary between remote + local accounts:
// - Account (acct) string.
// - Role.
// - Settings things (enableRSS, theme, customCSS, hideCollections).
var (
acct string
role *apimodel.AccountRole
enableRSS bool
theme string
customCSS string
hideCollections bool
)
if a.IsRemote() {
// Domain may be in Punycode,
// de-punify it just in case.
d, err := util.DePunify(a.Domain)
if err != nil {
return nil, gtserror.Newf("error de-punifying domain %s for account id %s: %w", a.Domain, a.ID, err)
}
acct = a.Username + "@" + d
} else {
// This is a local account, try to
// fetch more info. Skip for instance
// accounts since they have no user.
if !a.IsInstance() {
user, err := c.state.DB.GetUserByAccountID(ctx, a.ID)
if err != nil {
return nil, gtserror.Newf("error getting user from database for account id %s: %w", a.ID, err)
}
switch {
case *user.Admin:
role = &apimodel.AccountRole{Name: apimodel.AccountRoleAdmin}
case *user.Moderator:
role = &apimodel.AccountRole{Name: apimodel.AccountRoleModerator}
default:
role = &apimodel.AccountRole{Name: apimodel.AccountRoleUser}
}
enableRSS = *a.Settings.EnableRSS
theme = a.Settings.Theme
customCSS = a.Settings.CustomCSS
hideCollections = *a.Settings.HideCollections
}
acct = a.Username // omit domain
}
var (
locked = util.PtrOrValue(a.Locked, true)
discoverable = util.PtrOrValue(a.Discoverable, false)
bot = util.PtrOrValue(a.Bot, false)
)
// Remaining properties are simple and
// can be populated directly below.
accountFrontend := &apimodel.Account{
ID: a.ID,
Username: a.Username,
Acct: acct,
DisplayName: a.DisplayName,
Locked: locked,
Discoverable: discoverable,
Bot: bot,
CreatedAt: util.FormatISO8601(a.CreatedAt),
Note: a.Note,
URL: a.URL,
Avatar: aviURL,
AvatarStatic: aviURLStatic,
AvatarDescription: aviDesc,
Header: headerURL,
HeaderStatic: headerURLStatic,
HeaderDescription: headerDesc,
FollowersCount: followersCount,
FollowingCount: followingCount,
StatusesCount: statusesCount,
LastStatusAt: lastStatusAt,
Emojis: apiEmojis,
Fields: fields,
Suspended: !a.SuspendedAt.IsZero(),
Theme: theme,
CustomCSS: customCSS,
EnableRSS: enableRSS,
HideCollections: hideCollections,
Role: role,
}
// Bodge default avatar + header in,
// if we didn't have one already.
c.ensureAvatar(accountFrontend)
c.ensureHeader(accountFrontend)
return accountFrontend, nil
}
func (c *Converter) fieldsToAPIFields(f []*gtsmodel.Field) []apimodel.Field {
fields := make([]apimodel.Field, len(f))
for i, field := range f {
mField := apimodel.Field{
Name: field.Name,
Value: field.Value,
}
if !field.VerifiedAt.IsZero() {
verified := util.FormatISO8601(field.VerifiedAt)
mField.VerifiedAt = util.Ptr(verified)
}
fields[i] = mField
}
return fields
}
// AccountToAPIAccountBlocked takes a db model account as a param, and returns a apitype account, or an error if
// something goes wrong. The returned account will be a bare minimum representation of the account. This function should be used
// when someone wants to view an account they've blocked.
func (c *Converter) AccountToAPIAccountBlocked(ctx context.Context, a *gtsmodel.Account) (*apimodel.Account, error) {
var (
acct string
role *apimodel.AccountRole
)
if a.IsRemote() {
// Domain may be in Punycode,
// de-punify it just in case.
d, err := util.DePunify(a.Domain)
if err != nil {
return nil, gtserror.Newf("error de-punifying domain %s for account id %s: %w", a.Domain, a.ID, err)
}
acct = a.Username + "@" + d
} else {
// This is a local account, try to
// fetch more info. Skip for instance
// accounts since they have no user.
if !a.IsInstance() {
user, err := c.state.DB.GetUserByAccountID(ctx, a.ID)
if err != nil {
return nil, gtserror.Newf("error getting user from database for account id %s: %w", a.ID, err)
}
switch {
case *user.Admin:
role = &apimodel.AccountRole{Name: apimodel.AccountRoleAdmin}
case *user.Moderator:
role = &apimodel.AccountRole{Name: apimodel.AccountRoleModerator}
default:
role = &apimodel.AccountRole{Name: apimodel.AccountRoleUser}
}
}
acct = a.Username // omit domain
}
account := &apimodel.Account{
ID: a.ID,
Username: a.Username,
Acct: acct,
Bot: *a.Bot,
CreatedAt: util.FormatISO8601(a.CreatedAt),
URL: a.URL,
// Empty array (not nillable).
Emojis: make([]apimodel.Emoji, 0),
// Empty array (not nillable).
Fields: make([]apimodel.Field, 0),
Suspended: !a.SuspendedAt.IsZero(),
Role: role,
}
// Don't show the account's actual
// avatar+header since it may be
// upsetting to the blocker. Just
// show generic avatar+header instead.
c.ensureAvatar(account)
c.ensureHeader(account)
return account, nil
}
func (c *Converter) AccountToAdminAPIAccount(ctx context.Context, a *gtsmodel.Account) (*apimodel.AdminAccountInfo, error) {
var (
email string
ip *string
domain *string
locale string
confirmed bool
inviteRequest *string
approved bool
disabled bool
role = apimodel.AccountRole{Name: apimodel.AccountRoleUser} // assume user by default
createdByApplicationID string
)
if err := c.state.DB.PopulateAccount(ctx, a); err != nil {
log.Errorf(ctx, "error(s) populating account, will continue: %s", err)
}
if a.IsRemote() {
// Domain may be in Punycode,
// de-punify it just in case.
d, err := util.DePunify(a.Domain)
if err != nil {
return nil, fmt.Errorf("AccountToAdminAPIAccount: error de-punifying domain %s for account id %s: %w", a.Domain, a.ID, err)
}
domain = &d
} else if !a.IsInstance() {
// This is a local, non-instance
// acct; we can fetch more info.
user, err := c.state.DB.GetUserByAccountID(ctx, a.ID)
if err != nil {
return nil, fmt.Errorf("AccountToAdminAPIAccount: error getting user from database for account id %s: %w", a.ID, err)
}
if user.Email != "" {
email = user.Email
} else {
email = user.UnconfirmedEmail
}
if i := user.SignUpIP.String(); i != "<nil>" {
ip = &i
}
locale = user.Locale
if user.Reason != "" {
inviteRequest = &user.Reason
}
if *user.Admin {
role.Name = apimodel.AccountRoleAdmin
} else if *user.Moderator {
role.Name = apimodel.AccountRoleModerator
}
confirmed = !user.ConfirmedAt.IsZero()
approved = *user.Approved
disabled = *user.Disabled
createdByApplicationID = user.CreatedByApplicationID
}
apiAccount, err := c.AccountToAPIAccountPublic(ctx, a)
if err != nil {
return nil, fmt.Errorf("AccountToAdminAPIAccount: error converting account to api account for account id %s: %w", a.ID, err)
}
return &apimodel.AdminAccountInfo{
ID: a.ID,
Username: a.Username,
Domain: domain,
CreatedAt: util.FormatISO8601(a.CreatedAt),
Email: email,
IP: ip,
IPs: []interface{}{}, // not implemented,
Locale: locale,
InviteRequest: inviteRequest,
Role: role,
Confirmed: confirmed,
Approved: approved,
Disabled: disabled,
Silenced: !a.SilencedAt.IsZero(),
Suspended: !a.SuspendedAt.IsZero(),
Account: apiAccount,
CreatedByApplicationID: createdByApplicationID,
InvitedByAccountID: "", // not implemented (yet)
}, nil
}
func (c *Converter) AppToAPIAppSensitive(ctx context.Context, a *gtsmodel.Application) (*apimodel.Application, error) {
return &apimodel.Application{
ID: a.ID,
Name: a.Name,
Website: a.Website,
RedirectURI: a.RedirectURI,
ClientID: a.ClientID,
ClientSecret: a.ClientSecret,
}, nil
}
// AppToAPIAppPublic takes a db model application as a param, and returns a populated apitype application, or an error
// if something goes wrong. The returned application should be ready to serialize on an API level, and has sensitive
// fields sanitized so that it can be served to non-authorized accounts without revealing any private information.
func (c *Converter) AppToAPIAppPublic(ctx context.Context, a *gtsmodel.Application) (*apimodel.Application, error) {
return &apimodel.Application{
Name: a.Name,
Website: a.Website,
}, nil
}
// AttachmentToAPIAttachment converts a gts model media attacahment into its api representation for serialization on the API.
func (c *Converter) AttachmentToAPIAttachment(ctx context.Context, media *gtsmodel.MediaAttachment) (apimodel.Attachment, error) {
var api apimodel.Attachment
api.Type = media.Type.String()
api.ID = media.ID
// Only add file details if
// we have stored locally.
if media.File.Path != "" {
api.Meta = new(apimodel.MediaMeta)
api.Meta.Original = apimodel.MediaDimensions{
Width: media.FileMeta.Original.Width,
Height: media.FileMeta.Original.Height,
Aspect: media.FileMeta.Original.Aspect,
Size: toAPISize(media.FileMeta.Original.Width, media.FileMeta.Original.Height),
FrameRate: toAPIFrameRate(media.FileMeta.Original.Framerate),
Duration: util.PtrOrZero(media.FileMeta.Original.Duration),
Bitrate: int(util.PtrOrZero(media.FileMeta.Original.Bitrate)),
}
// Copy over local file URL.
api.URL = util.Ptr(media.URL)
api.TextURL = util.Ptr(media.URL)
// Set file focus details.
// (this doesn't make much sense if media
// has no image, but the API doesn't yet
// distinguish between zero values vs. none).
api.Meta.Focus = new(apimodel.MediaFocus)
api.Meta.Focus.X = media.FileMeta.Focus.X
api.Meta.Focus.Y = media.FileMeta.Focus.Y
// Only add thumbnail details if
// we have thumbnail stored locally.
if media.Thumbnail.Path != "" {
api.Meta.Small = apimodel.MediaDimensions{
Width: media.FileMeta.Small.Width,
Height: media.FileMeta.Small.Height,
Aspect: media.FileMeta.Small.Aspect,
Size: toAPISize(media.FileMeta.Small.Width, media.FileMeta.Small.Height),
}
// Copy over local thumbnail file URL.
api.PreviewURL = util.Ptr(media.Thumbnail.URL)
}
}
// Set remaining API attachment fields.
api.Blurhash = util.PtrIf(media.Blurhash)
api.RemoteURL = util.PtrIf(media.RemoteURL)
api.PreviewRemoteURL = util.PtrIf(media.Thumbnail.RemoteURL)
api.Description = util.PtrIf(media.Description)
return api, nil
}
// MentionToAPIMention converts a gts model mention into its api (frontend) representation for serialization on the API.
func (c *Converter) MentionToAPIMention(ctx context.Context, m *gtsmodel.Mention) (apimodel.Mention, error) {
if m.TargetAccount == nil {
targetAccount, err := c.state.DB.GetAccountByID(ctx, m.TargetAccountID)
if err != nil {
return apimodel.Mention{}, err
}
m.TargetAccount = targetAccount
}
var acct string
if m.TargetAccount.IsLocal() {
acct = m.TargetAccount.Username
} else {
// Domain may be in Punycode,
// de-punify it just in case.
d, err := util.DePunify(m.TargetAccount.Domain)
if err != nil {
err = fmt.Errorf("MentionToAPIMention: error de-punifying domain %s for account id %s: %w", m.TargetAccount.Domain, m.TargetAccountID, err)
return apimodel.Mention{}, err
}
acct = m.TargetAccount.Username + "@" + d
}
return apimodel.Mention{
ID: m.TargetAccount.ID,
Username: m.TargetAccount.Username,
URL: m.TargetAccount.URL,
Acct: acct,
}, nil
}
// EmojiToAPIEmoji converts a gts model emoji into its api (frontend) representation for serialization on the API.
func (c *Converter) EmojiToAPIEmoji(ctx context.Context, e *gtsmodel.Emoji) (apimodel.Emoji, error) {
var category string
if e.CategoryID != "" {
if e.Category == nil {
var err error
e.Category, err = c.state.DB.GetEmojiCategory(ctx, e.CategoryID)
if err != nil {
return apimodel.Emoji{}, err
}
}
category = e.Category.Name
}
return apimodel.Emoji{
Shortcode: e.Shortcode,
URL: e.ImageURL,
StaticURL: e.ImageStaticURL,
VisibleInPicker: *e.VisibleInPicker,
Category: category,
}, nil
}
// EmojiToAdminAPIEmoji converts a gts model emoji into an API representation with extra admin information.
func (c *Converter) EmojiToAdminAPIEmoji(ctx context.Context, e *gtsmodel.Emoji) (*apimodel.AdminEmoji, error) {
emoji, err := c.EmojiToAPIEmoji(ctx, e)
if err != nil {
return nil, err
}
if !e.IsLocal() {
// Domain may be in Punycode,
// de-punify it just in case.
var err error
e.Domain, err = util.DePunify(e.Domain)
if err != nil {
err = fmt.Errorf("EmojiToAdminAPIEmoji: error de-punifying domain %s for emoji id %s: %w", e.Domain, e.ID, err)
return nil, err
}
}
return &apimodel.AdminEmoji{
Emoji: emoji,
ID: e.ID,
Disabled: *e.Disabled,
Domain: e.Domain,
UpdatedAt: util.FormatISO8601(e.UpdatedAt),
TotalFileSize: e.ImageFileSize + e.ImageStaticFileSize,
ContentType: e.ImageContentType,
URI: e.URI,
}, nil
}
// EmojiCategoryToAPIEmojiCategory converts a gts model emoji category into its api (frontend) representation.
func (c *Converter) EmojiCategoryToAPIEmojiCategory(ctx context.Context, category *gtsmodel.EmojiCategory) (*apimodel.EmojiCategory, error) {
return &apimodel.EmojiCategory{
ID: category.ID,
Name: category.Name,
}, nil
}
// TagToAPITag converts a gts model tag into its api (frontend) representation for serialization on the API.
// If stubHistory is set to 'true', then the 'history' field of the tag will be populated with a pointer to an empty slice, for API compatibility reasons.
func (c *Converter) TagToAPITag(ctx context.Context, t *gtsmodel.Tag, stubHistory bool) (apimodel.Tag, error) {
return apimodel.Tag{
Name: strings.ToLower(t.Name),
URL: uris.URIForTag(t.Name),
History: func() *[]any {
if !stubHistory {
return nil
}
h := make([]any, 0)
return &h
}(),
}, nil
}
// StatusToAPIStatus converts a gts model status into its api
// (frontend) representation for serialization on the API.
//
// Requesting account can be nil.
//
// Filter context can be the empty string if these statuses are not being filtered.
//
// If there is a matching "hide" filter, the returned status will be nil with a ErrHideStatus error;
// callers need to handle that case by excluding it from results.
func (c *Converter) StatusToAPIStatus(
ctx context.Context,
s *gtsmodel.Status,
requestingAccount *gtsmodel.Account,
filterContext statusfilter.FilterContext,
filters []*gtsmodel.Filter,
mutes *usermute.CompiledUserMuteList,
) (*apimodel.Status, error) {
apiStatus, err := c.statusToFrontend(
ctx,
s,
requestingAccount, // Can be nil.
filterContext, // Can be empty.
filters,
mutes,
)
if err != nil {
return nil, err
}
// Convert author to API model.
acct, err := c.AccountToAPIAccountPublic(ctx, s.Account)
if err != nil {
return nil, gtserror.Newf("error converting status acct: %w", err)
}
apiStatus.Account = acct
// Convert author of boosted
// status (if set) to API model.
if apiStatus.Reblog != nil {
boostAcct, err := c.AccountToAPIAccountPublic(ctx, s.BoostOfAccount)
if err != nil {
return nil, gtserror.Newf("error converting boost acct: %w", err)
}
apiStatus.Reblog.Account = boostAcct
}
// Normalize status for API by pruning
// attachments that were not locally
// stored, replacing them with a helpful
// message + links to remote.
var aside string
aside, apiStatus.MediaAttachments = placeholderAttachments(apiStatus.MediaAttachments)
apiStatus.Content += aside
if apiStatus.Reblog != nil {
aside, apiStatus.Reblog.MediaAttachments = placeholderAttachments(apiStatus.Reblog.MediaAttachments)
apiStatus.Reblog.Content += aside
}
return apiStatus, nil
}
// statusToAPIFilterResults applies filters and mutes to a status and returns an API filter result object.
// The result may be nil if no filters matched.
// If the status should not be returned at all, it returns the ErrHideStatus error.
func (c *Converter) statusToAPIFilterResults(
ctx context.Context,
s *gtsmodel.Status,
requestingAccount *gtsmodel.Account,
filterContext statusfilter.FilterContext,
filters []*gtsmodel.Filter,
mutes *usermute.CompiledUserMuteList,
) ([]apimodel.FilterResult, error) {
// If there are no filters or mutes, we're done.
// We never hide statuses authored by the requesting account,
// since not being able to see your own posts is confusing.
if filterContext == "" || (len(filters) == 0 && mutes.Len() == 0) || s.AccountID == requestingAccount.ID {
return nil, nil
}
// Both mutes and filters can expire.
now := time.Now()
// If the requesting account mutes the account that created this status, hide the status.
if mutes.Matches(s.AccountID, filterContext, now) {
return nil, statusfilter.ErrHideStatus
}
// If this status is part of a multi-account discussion,
// and all of the accounts replied to or mentioned are invisible to the requesting account
// (due to blocks, domain blocks, moderation, etc.),
// or are muted, hide the status.
// First, collect the accounts we have to check.
otherAccounts := make([]*gtsmodel.Account, 0, 1+len(s.Mentions))
if s.InReplyToAccount != nil {
otherAccounts = append(otherAccounts, s.InReplyToAccount)
}
for _, mention := range s.Mentions {
otherAccounts = append(otherAccounts, mention.TargetAccount)
}
// If there are no other accounts, skip this check.
if len(otherAccounts) > 0 {
// Start by assuming that they're all invisible or muted.
allOtherAccountsInvisibleOrMuted := true
for _, account := range otherAccounts {
// Is this account visible?
visible, err := c.visFilter.AccountVisible(ctx, requestingAccount, account)
if err != nil {
return nil, err
}
if !visible {
// It's invisible. Check the next account.
continue
}
// If visible, is it muted?
if mutes.Matches(account.ID, filterContext, now) {
// It's muted. Check the next account.
continue
}
// If we get here, the account is visible and not muted.
// We should show this status, and don't have to check any more accounts.
allOtherAccountsInvisibleOrMuted = false
break
}
// If we didn't find any visible non-muted accounts, hide the status.
if allOtherAccountsInvisibleOrMuted {
return nil, statusfilter.ErrHideStatus
}
}
// At this point, the status isn't muted, but might still be filtered.
// Record all matching warn filters and the reasons they matched.
filterResults := make([]apimodel.FilterResult, 0, len(filters))
for _, filter := range filters {
if !filterAppliesInContext(filter, filterContext) {
// Filter doesn't apply to this context.
continue
}
if filter.Expired(now) {
continue
}
// List all matching keywords.
keywordMatches := make([]string, 0, len(filter.Keywords))
fields := filterableTextFields(s)
for _, filterKeyword := range filter.Keywords {
var isMatch bool
for _, field := range fields {
if filterKeyword.Regexp.MatchString(field) {
isMatch = true
break
}
}
if isMatch {
keywordMatches = append(keywordMatches, filterKeyword.Keyword)
}
}
// A status has only one ID. Not clear why this is a list in the Mastodon API.
statusMatches := make([]string, 0, 1)
for _, filterStatus := range filter.Statuses {
if s.ID == filterStatus.StatusID {
statusMatches = append(statusMatches, filterStatus.StatusID)
break
}
}
if len(keywordMatches) > 0 || len(statusMatches) > 0 {
switch filter.Action {
case gtsmodel.FilterActionWarn:
// Record what matched.
apiFilter, err := c.FilterToAPIFilterV2(ctx, filter)
if err != nil {
return nil, err
}
filterResults = append(filterResults, apimodel.FilterResult{
Filter: *apiFilter,
KeywordMatches: keywordMatches,
StatusMatches: statusMatches,
})
case gtsmodel.FilterActionHide:
// Don't show this status. Immediate return.
return nil, statusfilter.ErrHideStatus
}
}
}
return filterResults, nil
}
// filterableTextFields returns all text from a status that we might want to filter on:
// - content
// - content warning
// - media descriptions
// - poll options
func filterableTextFields(s *gtsmodel.Status) []string {
fieldCount := 2 + len(s.Attachments)
if s.Poll != nil {
fieldCount += len(s.Poll.Options)
}
fields := make([]string, 0, fieldCount)
if s.Content != "" {
fields = append(fields, text.SanitizeToPlaintext(s.Content))
}
if s.ContentWarning != "" {
fields = append(fields, s.ContentWarning)
}
for _, attachment := range s.Attachments {
if attachment.Description != "" {
fields = append(fields, attachment.Description)
}
}
if s.Poll != nil {
for _, option := range s.Poll.Options {
if option != "" {
fields = append(fields, option)
}
}
}
return fields
}
// filterAppliesInContext returns whether a given filter applies in a given context.
func filterAppliesInContext(filter *gtsmodel.Filter, filterContext statusfilter.FilterContext) bool {
switch filterContext {
case statusfilter.FilterContextHome:
return util.PtrOrValue(filter.ContextHome, false)
case statusfilter.FilterContextNotifications:
return util.PtrOrValue(filter.ContextNotifications, false)
case statusfilter.FilterContextPublic:
return util.PtrOrValue(filter.ContextPublic, false)
case statusfilter.FilterContextThread:
return util.PtrOrValue(filter.ContextThread, false)
case statusfilter.FilterContextAccount:
return util.PtrOrValue(filter.ContextAccount, false)
}
return false
}
// StatusToWebStatus converts a gts model status into an
// api representation suitable for serving into a web template.
//
// Requesting account can be nil.
func (c *Converter) StatusToWebStatus(
ctx context.Context,
s *gtsmodel.Status,
) (*apimodel.WebStatus, error) {
apiStatus, err := c.statusToFrontend(ctx, s,
nil, // No authed requester.
statusfilter.FilterContextNone, // No filters.
nil, // No filters.
nil, // No mutes.
)
if err != nil {
return nil, err
}
// Convert status author to web model.
acct, err := c.AccountToWebAccount(ctx, s.Account)
if err != nil {
return nil, err
}
webStatus := &apimodel.WebStatus{
Status: apiStatus,
Account: acct,
}
// Whack a newline before and after each "pre" to make it easier to outdent it.
webStatus.Content = strings.ReplaceAll(webStatus.Content, "<pre>", "\n<pre>")
webStatus.Content = strings.ReplaceAll(webStatus.Content, "</pre>", "</pre>\n")
// Add additional information for template.
// Assume empty langs, hope for not empty language.
webStatus.LanguageTag = new(language.Language)
if lang := webStatus.Language; lang != nil {
langTag, err := language.Parse(*lang)
if err != nil {
log.Warnf(
ctx,
"error parsing %s as language tag: %v",
*lang, err,
)
} else {
webStatus.LanguageTag = langTag
}
}
if poll := webStatus.Poll; poll != nil {
// Calculate vote share of each poll option and
// format them for easier template consumption.
totalVotes := poll.VotesCount
PollOptions := make([]apimodel.WebPollOption, len(poll.Options))
for i, option := range poll.Options {
var voteShare float32
if totalVotes != 0 && option.VotesCount != nil {
voteShare = float32(*option.VotesCount) / float32(totalVotes) * 100
}
// Format to two decimal points and ditch any
// trailing zeroes.
//
// We want to be precise enough that eg., "1.54%"
// is distinct from "1.68%" in polls with loads
// of votes.
//
// However, if we've got eg., a two-option poll
// in which each option has half the votes, then
// "50%" looks better than "50.00%".
//
// By the same token, it's pointless to show
// "0.00%" or "100.00%".
voteShareStr := fmt.Sprintf("%.2f", voteShare)
voteShareStr = strings.TrimSuffix(voteShareStr, ".00")
webPollOption := apimodel.WebPollOption{
PollOption: option,
PollID: poll.ID,
Emojis: webStatus.Emojis,
LanguageTag: webStatus.LanguageTag,
VoteShare: voteShare,
VoteShareStr: voteShareStr,
}
PollOptions[i] = webPollOption
}
webStatus.PollOptions = PollOptions
}
// Mark local.
webStatus.Local = *s.Local
// Set additional templating
// variables on media attachments.
// Get gtsmodel attachments
// into a convenient map.
ogAttachments := make(
map[string]*gtsmodel.MediaAttachment,
len(s.Attachments),
)
for _, a := range s.Attachments {
ogAttachments[a.ID] = a
}
// Convert each API attachment
// into a web attachment.
webStatus.MediaAttachments = make(
[]*apimodel.WebAttachment,
len(apiStatus.MediaAttachments),
)
for i, apiAttachment := range apiStatus.MediaAttachments {
ogAttachment := ogAttachments[apiAttachment.ID]
webStatus.MediaAttachments[i] = &apimodel.WebAttachment{
Attachment: apiAttachment,
Sensitive: apiStatus.Sensitive,
MIMEType: ogAttachment.File.ContentType,
PreviewMIMEType: ogAttachment.Thumbnail.ContentType,
}
}
return webStatus, nil
}
// StatusToAPIStatusSource returns the *apimodel.StatusSource of the given status.
// Callers should check beforehand whether a requester has permission to view the
// source of the status, and ensure they're passing only a local status into this function.
func (c *Converter) StatusToAPIStatusSource(ctx context.Context, s *gtsmodel.Status) (*apimodel.StatusSource, error) {
// TODO: remove this when edit support is added.
text := "**STATUS EDITS ARE NOT CURRENTLY SUPPORTED IN GOTOSOCIAL (coming in 2024)**\n" +
"You can review the original text of your status below, but you will not be able to submit this edit.\n\n---\n\n" + s.Text
return &apimodel.StatusSource{
ID: s.ID,
Text: text,
SpoilerText: s.ContentWarning,
}, nil
}
// statusToFrontend is a package internal function for
// parsing a status into its initial frontend representation.
//
// Requesting account can be nil.
//
// This function also doesn't handle converting the
// account to api/web model -- the caller must do that.
func (c *Converter) statusToFrontend(
ctx context.Context,
status *gtsmodel.Status,
requestingAccount *gtsmodel.Account,
filterContext statusfilter.FilterContext,
filters []*gtsmodel.Filter,
mutes *usermute.CompiledUserMuteList,
) (
*apimodel.Status,
error,
) {
apiStatus, err := c.baseStatusToFrontend(ctx,
status,
requestingAccount,
filterContext,
filters,
mutes,
)
if err != nil {
return nil, err
}
if status.BoostOf != nil {
reblog, err := c.baseStatusToFrontend(ctx,
status.BoostOf,
requestingAccount,
filterContext,
filters,
mutes,
)
if errors.Is(err, statusfilter.ErrHideStatus) {
// If we'd hide the original status, hide the boost.
return nil, err
} else if err != nil {
return nil, gtserror.Newf("error converting boosted status: %w", err)
}
// Set boosted status and set interactions and filter results from original.
apiStatus.Reblog = &apimodel.StatusReblogged{reblog}
apiStatus.Favourited = apiStatus.Reblog.Favourited
apiStatus.Bookmarked = apiStatus.Reblog.Bookmarked
apiStatus.Muted = apiStatus.Reblog.Muted
apiStatus.Reblogged = apiStatus.Reblog.Reblogged
apiStatus.Pinned = apiStatus.Reblog.Pinned
apiStatus.Filtered = apiStatus.Reblog.Filtered
}
return apiStatus, nil
}
// baseStatusToFrontend performs the main logic
// of statusToFrontend() without handling of boost
// logic, to prevent *possible* recursion issues.
//
// This function also doesn't handle converting the
// account to api/web model -- the caller must do that.
func (c *Converter) baseStatusToFrontend(
ctx context.Context,
s *gtsmodel.Status,
requestingAccount *gtsmodel.Account,
filterContext statusfilter.FilterContext,
filters []*gtsmodel.Filter,
mutes *usermute.CompiledUserMuteList,
) (
*apimodel.Status,
error,
) {
// Try to populate status struct pointer fields.
// We can continue in many cases of partial failure,
// but there are some fields we actually need.
if err := c.state.DB.PopulateStatus(ctx, s); err != nil {
switch {
case s.Account == nil:
return nil, gtserror.Newf("error(s) populating status, required account not set: %w", err)
case s.BoostOfID != "" && s.BoostOf == nil:
return nil, gtserror.Newf("error(s) populating status, required boost not set: %w", err)
default:
log.Errorf(ctx, "error(s) populating status, will continue: %v", err)
}
}
repliesCount, err := c.state.DB.CountStatusReplies(ctx, s.ID)
if err != nil {
return nil, gtserror.Newf("error counting replies: %w", err)
}
reblogsCount, err := c.state.DB.CountStatusBoosts(ctx, s.ID)
if err != nil {
return nil, gtserror.Newf("error counting reblogs: %w", err)
}
favesCount, err := c.state.DB.CountStatusFaves(ctx, s.ID)
if err != nil {
return nil, gtserror.Newf("error counting faves: %w", err)
}
apiAttachments, err := c.convertAttachmentsToAPIAttachments(ctx, s.Attachments, s.AttachmentIDs)
if err != nil {
log.Errorf(ctx, "error converting status attachments: %v", err)
}
apiMentions, err := c.convertMentionsToAPIMentions(ctx, s.Mentions, s.MentionIDs)
if err != nil {
log.Errorf(ctx, "error converting status mentions: %v", err)
}
apiTags, err := c.convertTagsToAPITags(ctx, s.Tags, s.TagIDs)
if err != nil {
log.Errorf(ctx, "error converting status tags: %v", err)
}
apiEmojis, err := c.convertEmojisToAPIEmojis(ctx, s.Emojis, s.EmojiIDs)
if err != nil {
log.Errorf(ctx, "error converting status emojis: %v", err)
}
// Take status's interaction policy, or
// fall back to default for its visibility.
var p *gtsmodel.InteractionPolicy
if s.InteractionPolicy != nil {
p = s.InteractionPolicy
} else {
p = gtsmodel.DefaultInteractionPolicyFor(s.Visibility)
}
apiInteractionPolicy, err := c.InteractionPolicyToAPIInteractionPolicy(ctx, p, s, requestingAccount)
if err != nil {
return nil, gtserror.Newf("error converting interaction policy: %w", err)
}
apiStatus := &apimodel.Status{
ID: s.ID,
CreatedAt: util.FormatISO8601(s.CreatedAt),
InReplyToID: nil, // Set below.
InReplyToAccountID: nil, // Set below.
Sensitive: *s.Sensitive,
SpoilerText: s.ContentWarning,
Visibility: c.VisToAPIVis(ctx, s.Visibility),
Language: nil, // Set below.
URI: s.URI,
URL: s.URL,
RepliesCount: repliesCount,
ReblogsCount: reblogsCount,
FavouritesCount: favesCount,
Content: s.Content,
Reblog: nil, // Set below.
Application: nil, // Set below.
Account: nil, // Caller must do this.
MediaAttachments: apiAttachments,
Mentions: apiMentions,
Tags: apiTags,
Emojis: apiEmojis,
Card: nil, // TODO: implement cards
Text: s.Text,
InteractionPolicy: *apiInteractionPolicy,
}
// Nullable fields.
if s.InReplyToID != "" {
apiStatus.InReplyToID = util.Ptr(s.InReplyToID)
}
if s.InReplyToAccountID != "" {
apiStatus.InReplyToAccountID = util.Ptr(s.InReplyToAccountID)
}
if s.Language != "" {
apiStatus.Language = util.Ptr(s.Language)
}
if app := s.CreatedWithApplication; app != nil {
apiStatus.Application, err = c.AppToAPIAppPublic(ctx, app)
if err != nil {
return nil, gtserror.Newf(
"error converting application %s: %w",
s.CreatedWithApplicationID, err,
)
}
}
if s.Poll != nil {
// Set originating
// status on the poll.
poll := s.Poll
poll.Status = s
apiStatus.Poll, err = c.PollToAPIPoll(ctx, requestingAccount, poll)
if err != nil {
return nil, fmt.Errorf("error converting poll: %w", err)
}
}
// Status interactions.
//
if s.BoostOf != nil { //nolint
// populated *outside* this
// function to prevent recursion.
} else {
interacts, err := c.interactionsWithStatusForAccount(ctx, s, requestingAccount)
if err != nil {
log.Errorf(ctx,
"error getting interactions for status %s for account %s: %v",
s.ID, requestingAccount.ID, err,
)
// Ensure non-nil object.
interacts = new(statusInteractions)
}
apiStatus.Favourited = interacts.Favourited
apiStatus.Bookmarked = interacts.Bookmarked
apiStatus.Muted = interacts.Muted
apiStatus.Reblogged = interacts.Reblogged
apiStatus.Pinned = interacts.Pinned
}
// If web URL is empty for whatever
// reason, provide AP URI as fallback.
if s.URL == "" {
s.URL = s.URI
}
// Apply filters.
filterResults, err := c.statusToAPIFilterResults(ctx, s, requestingAccount, filterContext, filters, mutes)
if err != nil {
if errors.Is(err, statusfilter.ErrHideStatus) {
return nil, err
}
return nil, fmt.Errorf("error applying filters: %w", err)
}
apiStatus.Filtered = filterResults
return apiStatus, nil
}
// VisToAPIVis converts a gts visibility into its api equivalent
func (c *Converter) VisToAPIVis(ctx context.Context, m gtsmodel.Visibility) apimodel.Visibility {
switch m {
case gtsmodel.VisibilityPublic:
return apimodel.VisibilityPublic
case gtsmodel.VisibilityUnlocked:
return apimodel.VisibilityUnlisted
case gtsmodel.VisibilityFollowersOnly, gtsmodel.VisibilityMutualsOnly:
return apimodel.VisibilityPrivate
case gtsmodel.VisibilityDirect:
return apimodel.VisibilityDirect
}
return ""
}
// InstanceRuleToAdminAPIRule converts a local instance rule into its api equivalent for serving at /api/v1/admin/instance/rules/:id
func (c *Converter) InstanceRuleToAPIRule(r gtsmodel.Rule) apimodel.InstanceRule {
return apimodel.InstanceRule{
ID: r.ID,
Text: r.Text,
}
}
// InstanceRulesToAPIRules converts all local instance rules into their api equivalent for serving at /api/v1/instance/rules
func (c *Converter) InstanceRulesToAPIRules(r []gtsmodel.Rule) []apimodel.InstanceRule {
rules := make([]apimodel.InstanceRule, len(r))
for i, v := range r {
rules[i] = c.InstanceRuleToAPIRule(v)
}
return rules
}
// InstanceRuleToAdminAPIRule converts a local instance rule into its api equivalent for serving at /api/v1/admin/instance/rules/:id
func (c *Converter) InstanceRuleToAdminAPIRule(r *gtsmodel.Rule) *apimodel.AdminInstanceRule {
return &apimodel.AdminInstanceRule{
ID: r.ID,
CreatedAt: util.FormatISO8601(r.CreatedAt),
UpdatedAt: util.FormatISO8601(r.UpdatedAt),
Text: r.Text,
}
}
// InstanceToAPIV1Instance converts a gts instance into its api equivalent for serving at /api/v1/instance
func (c *Converter) InstanceToAPIV1Instance(ctx context.Context, i *gtsmodel.Instance) (*apimodel.InstanceV1, error) {
instance := &apimodel.InstanceV1{
URI: i.URI,
AccountDomain: config.GetAccountDomain(),
Title: i.Title,
Description: i.Description,
DescriptionText: i.DescriptionText,
ShortDescription: i.ShortDescription,
ShortDescriptionText: i.ShortDescriptionText,
Email: i.ContactEmail,
Version: config.GetSoftwareVersion(),
Languages: config.GetInstanceLanguages().TagStrs(),
Registrations: config.GetAccountsRegistrationOpen(),
ApprovalRequired: true, // approval always required
InvitesEnabled: false, // todo: not supported yet
MaxTootChars: uint(config.GetStatusesMaxChars()),
Rules: c.InstanceRulesToAPIRules(i.Rules),
Terms: i.Terms,
TermsRaw: i.TermsText,
}
if config.GetInstanceInjectMastodonVersion() {
instance.Version = toMastodonVersion(instance.Version)
}
if debug.DEBUG {
instance.Debug = util.Ptr(true)
}
// configuration
instance.Configuration.Statuses.MaxCharacters = config.GetStatusesMaxChars()
instance.Configuration.Statuses.MaxMediaAttachments = config.GetStatusesMediaMaxFiles()
instance.Configuration.Statuses.CharactersReservedPerURL = instanceStatusesCharactersReservedPerURL
instance.Configuration.Statuses.SupportedMimeTypes = instanceStatusesSupportedMimeTypes
instance.Configuration.MediaAttachments.SupportedMimeTypes = media.SupportedMIMETypes
instance.Configuration.MediaAttachments.ImageSizeLimit = int(config.GetMediaRemoteMaxSize())
instance.Configuration.MediaAttachments.ImageMatrixLimit = instanceMediaAttachmentsImageMatrixLimit
instance.Configuration.MediaAttachments.VideoSizeLimit = int(config.GetMediaRemoteMaxSize())
instance.Configuration.MediaAttachments.VideoFrameRateLimit = instanceMediaAttachmentsVideoFrameRateLimit
instance.Configuration.MediaAttachments.VideoMatrixLimit = instanceMediaAttachmentsVideoMatrixLimit
instance.Configuration.Polls.MaxOptions = config.GetStatusesPollMaxOptions()
instance.Configuration.Polls.MaxCharactersPerOption = config.GetStatusesPollOptionMaxChars()
instance.Configuration.Polls.MinExpiration = instancePollsMinExpiration
instance.Configuration.Polls.MaxExpiration = instancePollsMaxExpiration
instance.Configuration.Accounts.AllowCustomCSS = config.GetAccountsAllowCustomCSS()
instance.Configuration.Accounts.MaxFeaturedTags = instanceAccountsMaxFeaturedTags
instance.Configuration.Accounts.MaxProfileFields = instanceAccountsMaxProfileFields
instance.Configuration.Emojis.EmojiSizeLimit = int(config.GetMediaEmojiLocalMaxSize())
instance.Configuration.OIDCEnabled = config.GetOIDCEnabled()
// URLs
instance.URLs.StreamingAPI = "wss://" + i.Domain
// statistics
stats := make(map[string]*int, 3)
userCount, err := c.state.DB.CountInstanceUsers(ctx, i.Domain)
if err != nil {
return nil, fmt.Errorf("InstanceToAPIV1Instance: db error getting counting instance users: %w", err)
}
stats["user_count"] = util.Ptr(userCount)
statusCount, err := c.state.DB.CountInstanceStatuses(ctx, i.Domain)
if err != nil {
return nil, fmt.Errorf("InstanceToAPIV1Instance: db error getting counting instance statuses: %w", err)
}
stats["status_count"] = util.Ptr(statusCount)
domainCount, err := c.state.DB.CountInstanceDomains(ctx, i.Domain)
if err != nil {
return nil, fmt.Errorf("InstanceToAPIV1Instance: db error getting counting instance domains: %w", err)
}
stats["domain_count"] = util.Ptr(domainCount)
instance.Stats = stats
// thumbnail
iAccount, err := c.state.DB.GetInstanceAccount(ctx, "")
if err != nil {
return nil, fmt.Errorf("InstanceToAPIV1Instance: db error getting instance account: %w", err)
}
if iAccount.AvatarMediaAttachmentID != "" {
if iAccount.AvatarMediaAttachment == nil {
avi, err := c.state.DB.GetAttachmentByID(ctx, iAccount.AvatarMediaAttachmentID)
if err != nil {
return nil, fmt.Errorf("InstanceToAPIInstance: error getting instance avatar attachment with id %s: %w", iAccount.AvatarMediaAttachmentID, err)
}
iAccount.AvatarMediaAttachment = avi
}
instance.Thumbnail = iAccount.AvatarMediaAttachment.URL
instance.ThumbnailType = iAccount.AvatarMediaAttachment.File.ContentType
instance.ThumbnailStatic = iAccount.AvatarMediaAttachment.Thumbnail.URL
instance.ThumbnailStaticType = iAccount.AvatarMediaAttachment.Thumbnail.ContentType
instance.ThumbnailDescription = iAccount.AvatarMediaAttachment.Description
} else {
instance.Thumbnail = config.GetProtocol() + "://" + i.Domain + "/assets/logo.webp" // default thumb
}
// contact account
if i.ContactAccountID != "" {
if i.ContactAccount == nil {
contactAccount, err := c.state.DB.GetAccountByID(ctx, i.ContactAccountID)
if err != nil {
return nil, fmt.Errorf("InstanceToAPIV1Instance: db error getting instance contact account %s: %w", i.ContactAccountID, err)
}
i.ContactAccount = contactAccount
}
account, err := c.AccountToAPIAccountPublic(ctx, i.ContactAccount)
if err != nil {
return nil, fmt.Errorf("InstanceToAPIV1Instance: error converting instance contact account %s: %w", i.ContactAccountID, err)
}
instance.ContactAccount = account
}
return instance, nil
}
// InstanceToAPIV2Instance converts a gts instance into its api equivalent for serving at /api/v2/instance
func (c *Converter) InstanceToAPIV2Instance(ctx context.Context, i *gtsmodel.Instance) (*apimodel.InstanceV2, error) {
instance := &apimodel.InstanceV2{
Domain: i.Domain,
AccountDomain: config.GetAccountDomain(),
Title: i.Title,
Version: config.GetSoftwareVersion(),
SourceURL: instanceSourceURL,
Description: i.Description,
DescriptionText: i.DescriptionText,
Usage: apimodel.InstanceV2Usage{}, // todo: not implemented
Languages: config.GetInstanceLanguages().TagStrs(),
Rules: c.InstanceRulesToAPIRules(i.Rules),
Terms: i.Terms,
TermsText: i.TermsText,
}
if config.GetInstanceInjectMastodonVersion() {
instance.Version = toMastodonVersion(instance.Version)
}
if debug.DEBUG {
instance.Debug = util.Ptr(true)
}
// thumbnail
thumbnail := apimodel.InstanceV2Thumbnail{}
iAccount, err := c.state.DB.GetInstanceAccount(ctx, "")
if err != nil {
return nil, fmt.Errorf("InstanceToAPIV2Instance: db error getting instance account: %w", err)
}
if iAccount.AvatarMediaAttachmentID != "" {
if iAccount.AvatarMediaAttachment == nil {
avi, err := c.state.DB.GetAttachmentByID(ctx, iAccount.AvatarMediaAttachmentID)
if err != nil {
return nil, fmt.Errorf("InstanceToAPIV2Instance: error getting instance avatar attachment with id %s: %w", iAccount.AvatarMediaAttachmentID, err)
}
iAccount.AvatarMediaAttachment = avi
}
thumbnail.URL = iAccount.AvatarMediaAttachment.URL
thumbnail.Type = iAccount.AvatarMediaAttachment.File.ContentType
thumbnail.StaticURL = iAccount.AvatarMediaAttachment.Thumbnail.URL
thumbnail.StaticType = iAccount.AvatarMediaAttachment.Thumbnail.ContentType
thumbnail.Description = iAccount.AvatarMediaAttachment.Description
thumbnail.Blurhash = iAccount.AvatarMediaAttachment.Blurhash
} else {
thumbnail.URL = config.GetProtocol() + "://" + i.Domain + "/assets/logo.webp" // default thumb
}
instance.Thumbnail = thumbnail
// configuration
instance.Configuration.URLs.Streaming = "wss://" + i.Domain
instance.Configuration.Statuses.MaxCharacters = config.GetStatusesMaxChars()
instance.Configuration.Statuses.MaxMediaAttachments = config.GetStatusesMediaMaxFiles()
instance.Configuration.Statuses.CharactersReservedPerURL = instanceStatusesCharactersReservedPerURL
instance.Configuration.Statuses.SupportedMimeTypes = instanceStatusesSupportedMimeTypes
instance.Configuration.MediaAttachments.SupportedMimeTypes = media.SupportedMIMETypes
instance.Configuration.MediaAttachments.ImageSizeLimit = int(config.GetMediaRemoteMaxSize())
instance.Configuration.MediaAttachments.ImageMatrixLimit = instanceMediaAttachmentsImageMatrixLimit
instance.Configuration.MediaAttachments.VideoSizeLimit = int(config.GetMediaRemoteMaxSize())
instance.Configuration.MediaAttachments.VideoFrameRateLimit = instanceMediaAttachmentsVideoFrameRateLimit
instance.Configuration.MediaAttachments.VideoMatrixLimit = instanceMediaAttachmentsVideoMatrixLimit
instance.Configuration.Polls.MaxOptions = config.GetStatusesPollMaxOptions()
instance.Configuration.Polls.MaxCharactersPerOption = config.GetStatusesPollOptionMaxChars()
instance.Configuration.Polls.MinExpiration = instancePollsMinExpiration
instance.Configuration.Polls.MaxExpiration = instancePollsMaxExpiration
instance.Configuration.Accounts.AllowCustomCSS = config.GetAccountsAllowCustomCSS()
instance.Configuration.Accounts.MaxFeaturedTags = instanceAccountsMaxFeaturedTags
instance.Configuration.Accounts.MaxProfileFields = instanceAccountsMaxProfileFields
instance.Configuration.Emojis.EmojiSizeLimit = int(config.GetMediaEmojiLocalMaxSize())
instance.Configuration.OIDCEnabled = config.GetOIDCEnabled()
// registrations
instance.Registrations.Enabled = config.GetAccountsRegistrationOpen()
instance.Registrations.ApprovalRequired = true // always required
instance.Registrations.Message = nil // todo: not implemented
// contact
instance.Contact.Email = i.ContactEmail
if i.ContactAccountID != "" {
if i.ContactAccount == nil {
contactAccount, err := c.state.DB.GetAccountByID(ctx, i.ContactAccountID)
if err != nil {
return nil, fmt.Errorf("InstanceToAPIV2Instance: db error getting instance contact account %s: %w", i.ContactAccountID, err)
}
i.ContactAccount = contactAccount
}
account, err := c.AccountToAPIAccountPublic(ctx, i.ContactAccount)
if err != nil {
return nil, fmt.Errorf("InstanceToAPIV2Instance: error converting instance contact account %s: %w", i.ContactAccountID, err)
}
instance.Contact.Account = account
}
return instance, nil
}
// RelationshipToAPIRelationship converts a gts relationship into its api equivalent for serving in various places
func (c *Converter) RelationshipToAPIRelationship(ctx context.Context, r *gtsmodel.Relationship) (*apimodel.Relationship, error) {
return &apimodel.Relationship{
ID: r.ID,
Following: r.Following,
ShowingReblogs: r.ShowingReblogs,
Notifying: r.Notifying,
FollowedBy: r.FollowedBy,
Blocking: r.Blocking,
BlockedBy: r.BlockedBy,
Muting: r.Muting,
MutingNotifications: r.MutingNotifications,
Requested: r.Requested,
RequestedBy: r.RequestedBy,
DomainBlocking: r.DomainBlocking,
Endorsed: r.Endorsed,
Note: r.Note,
}, nil
}
// NotificationToAPINotification converts a gts notification into a api notification
func (c *Converter) NotificationToAPINotification(
ctx context.Context,
n *gtsmodel.Notification,
filters []*gtsmodel.Filter,
mutes *usermute.CompiledUserMuteList,
) (*apimodel.Notification, error) {
if n.TargetAccount == nil {
tAccount, err := c.state.DB.GetAccountByID(ctx, n.TargetAccountID)
if err != nil {
return nil, fmt.Errorf("NotificationToapi: error getting target account with id %s from the db: %s", n.TargetAccountID, err)
}
n.TargetAccount = tAccount
}
if n.OriginAccount == nil {
ogAccount, err := c.state.DB.GetAccountByID(ctx, n.OriginAccountID)
if err != nil {
return nil, fmt.Errorf("NotificationToapi: error getting origin account with id %s from the db: %s", n.OriginAccountID, err)
}
n.OriginAccount = ogAccount
}
apiAccount, err := c.AccountToAPIAccountPublic(ctx, n.OriginAccount)
if err != nil {
return nil, fmt.Errorf("NotificationToapi: error converting account to api: %s", err)
}
var apiStatus *apimodel.Status
if n.StatusID != "" {
if n.Status == nil {
status, err := c.state.DB.GetStatusByID(ctx, n.StatusID)
if err != nil {
return nil, fmt.Errorf("NotificationToapi: error getting status with id %s from the db: %s", n.StatusID, err)
}
n.Status = status
}
if n.Status.Account == nil {
if n.Status.AccountID == n.TargetAccount.ID {
n.Status.Account = n.TargetAccount
} else if n.Status.AccountID == n.OriginAccount.ID {
n.Status.Account = n.OriginAccount
}
}
var err error
apiStatus, err = c.StatusToAPIStatus(ctx, n.Status, n.TargetAccount, statusfilter.FilterContextNotifications, filters, mutes)
if err != nil {
if errors.Is(err, statusfilter.ErrHideStatus) {
return nil, err
}
return nil, fmt.Errorf("NotificationToapi: error converting status to api: %s", err)
}
}
if apiStatus != nil && apiStatus.Reblog != nil {
// use the actual reblog status for the notifications endpoint
apiStatus = apiStatus.Reblog.Status
}
return &apimodel.Notification{
ID: n.ID,
Type: string(n.NotificationType),
CreatedAt: util.FormatISO8601(n.CreatedAt),
Account: apiAccount,
Status: apiStatus,
}, nil
}
// ConversationToAPIConversation converts a conversation into its API representation.
// The conversation status will be filtered using the notification filter context,
// and may be nil if the status was hidden.
func (c *Converter) ConversationToAPIConversation(
ctx context.Context,
conversation *gtsmodel.Conversation,
requestingAccount *gtsmodel.Account,
filters []*gtsmodel.Filter,
mutes *usermute.CompiledUserMuteList,
) (*apimodel.Conversation, error) {
apiConversation := &apimodel.Conversation{
ID: conversation.ID,
Unread: !*conversation.Read,
Accounts: []apimodel.Account{},
}
for _, account := range conversation.OtherAccounts {
var apiAccount *apimodel.Account
blocked, err := c.state.DB.IsEitherBlocked(ctx, requestingAccount.ID, account.ID)
if err != nil {
return nil, gtserror.Newf(
"DB error checking blocks between accounts %s and %s: %w",
requestingAccount.ID,
account.ID,
err,
)
}
if blocked || account.IsSuspended() {
apiAccount, err = c.AccountToAPIAccountBlocked(ctx, account)
} else {
apiAccount, err = c.AccountToAPIAccountPublic(ctx, account)
}
if err != nil {
return nil, gtserror.Newf(
"error converting account %s to API representation: %w",
account.ID,
err,
)
}
apiConversation.Accounts = append(apiConversation.Accounts, *apiAccount)
}
if conversation.LastStatus != nil {
var err error
apiConversation.LastStatus, err = c.StatusToAPIStatus(
ctx,
conversation.LastStatus,
requestingAccount,
statusfilter.FilterContextNotifications,
filters,
mutes,
)
if err != nil && !errors.Is(err, statusfilter.ErrHideStatus) {
return nil, gtserror.Newf(
"error converting status %s to API representation: %w",
conversation.LastStatus.ID,
err,
)
}
}
return apiConversation, nil
}
// DomainPermToAPIDomainPerm converts a gts model domin block or allow into an api domain permission.
func (c *Converter) DomainPermToAPIDomainPerm(
ctx context.Context,
d gtsmodel.DomainPermission,
export bool,
) (*apimodel.DomainPermission, error) {
// Domain may be in Punycode,
// de-punify it just in case.
domain, err := util.DePunify(d.GetDomain())
if err != nil {
return nil, gtserror.Newf("error de-punifying domain %s: %w", d.GetDomain(), err)
}
domainPerm := &apimodel.DomainPermission{
Domain: apimodel.Domain{
Domain: domain,
PublicComment: d.GetPublicComment(),
},
}
// If we're exporting, provide
// only bare minimum detail.
if export {
return domainPerm, nil
}
domainPerm.ID = d.GetID()
domainPerm.Obfuscate = *d.GetObfuscate()
domainPerm.PrivateComment = d.GetPrivateComment()
domainPerm.SubscriptionID = d.GetSubscriptionID()
domainPerm.CreatedBy = d.GetCreatedByAccountID()
domainPerm.CreatedAt = util.FormatISO8601(d.GetCreatedAt())
return domainPerm, nil
}
// ReportToAPIReport converts a gts model report into an api model report, for serving at /api/v1/reports
func (c *Converter) ReportToAPIReport(ctx context.Context, r *gtsmodel.Report) (*apimodel.Report, error) {
report := &apimodel.Report{
ID: r.ID,
CreatedAt: util.FormatISO8601(r.CreatedAt),
ActionTaken: !r.ActionTakenAt.IsZero(),
Category: "other", // todo: only support default 'other' category right now
Comment: r.Comment,
Forwarded: *r.Forwarded,
StatusIDs: r.StatusIDs,
RuleIDs: r.RuleIDs,
}
if !r.ActionTakenAt.IsZero() {
actionTakenAt := util.FormatISO8601(r.ActionTakenAt)
report.ActionTakenAt = &actionTakenAt
}
if actionComment := r.ActionTaken; actionComment != "" {
report.ActionTakenComment = &actionComment
}
if r.TargetAccount == nil {
tAccount, err := c.state.DB.GetAccountByID(ctx, r.TargetAccountID)
if err != nil {
return nil, fmt.Errorf("ReportToAPIReport: error getting target account with id %s from the db: %s", r.TargetAccountID, err)
}
r.TargetAccount = tAccount
}
apiAccount, err := c.AccountToAPIAccountPublic(ctx, r.TargetAccount)
if err != nil {
return nil, fmt.Errorf("ReportToAPIReport: error converting target account to api: %s", err)
}
report.TargetAccount = apiAccount
return report, nil
}
// ReportToAdminAPIReport converts a gts model report into an admin view report, for serving at /api/v1/admin/reports
func (c *Converter) ReportToAdminAPIReport(ctx context.Context, r *gtsmodel.Report, requestingAccount *gtsmodel.Account) (*apimodel.AdminReport, error) {
var (
err error
actionTakenAt *string
actionTakenComment *string
actionTakenByAccount *apimodel.AdminAccountInfo
)
if !r.ActionTakenAt.IsZero() {
ata := util.FormatISO8601(r.ActionTakenAt)
actionTakenAt = &ata
}
if r.Account == nil {
r.Account, err = c.state.DB.GetAccountByID(ctx, r.AccountID)
if err != nil {
return nil, fmt.Errorf("ReportToAdminAPIReport: error getting account with id %s from the db: %w", r.AccountID, err)
}
}
account, err := c.AccountToAdminAPIAccount(ctx, r.Account)
if err != nil {
return nil, fmt.Errorf("ReportToAdminAPIReport: error converting account with id %s to adminAPIAccount: %w", r.AccountID, err)
}
if r.TargetAccount == nil {
r.TargetAccount, err = c.state.DB.GetAccountByID(ctx, r.TargetAccountID)
if err != nil {
return nil, fmt.Errorf("ReportToAdminAPIReport: error getting target account with id %s from the db: %w", r.TargetAccountID, err)
}
}
targetAccount, err := c.AccountToAdminAPIAccount(ctx, r.TargetAccount)
if err != nil {
return nil, fmt.Errorf("ReportToAdminAPIReport: error converting target account with id %s to adminAPIAccount: %w", r.TargetAccountID, err)
}
if r.ActionTakenByAccountID != "" {
if r.ActionTakenByAccount == nil {
r.ActionTakenByAccount, err = c.state.DB.GetAccountByID(ctx, r.ActionTakenByAccountID)
if err != nil {
return nil, fmt.Errorf("ReportToAdminAPIReport: error getting action taken by account with id %s from the db: %w", r.ActionTakenByAccountID, err)
}
}
actionTakenByAccount, err = c.AccountToAdminAPIAccount(ctx, r.ActionTakenByAccount)
if err != nil {
return nil, fmt.Errorf("ReportToAdminAPIReport: error converting action taken by account with id %s to adminAPIAccount: %w", r.ActionTakenByAccountID, err)
}
}
statuses := make([]*apimodel.Status, 0, len(r.StatusIDs))
if len(r.StatusIDs) != 0 && len(r.Statuses) == 0 {
r.Statuses, err = c.state.DB.GetStatusesByIDs(ctx, r.StatusIDs)
if err != nil {
return nil, fmt.Errorf("ReportToAdminAPIReport: error getting statuses from the db: %w", err)
}
}
for _, s := range r.Statuses {
status, err := c.StatusToAPIStatus(ctx, s, requestingAccount, statusfilter.FilterContextNone, nil, nil)
if err != nil {
return nil, fmt.Errorf("ReportToAdminAPIReport: error converting status with id %s to api status: %w", s.ID, err)
}
statuses = append(statuses, status)
}
rules := make([]*apimodel.InstanceRule, 0, len(r.RuleIDs))
if len(r.RuleIDs) != 0 && len(r.Rules) == 0 {
r.Rules, err = c.state.DB.GetRulesByIDs(ctx, r.RuleIDs)
if err != nil {
return nil, fmt.Errorf("ReportToAdminAPIReport: error getting rules from the db: %w", err)
}
}
for _, v := range r.Rules {
rules = append(rules, &apimodel.InstanceRule{
ID: v.ID,
Text: v.Text,
})
}
if ac := r.ActionTaken; ac != "" {
actionTakenComment = &ac
}
return &apimodel.AdminReport{
ID: r.ID,
ActionTaken: !r.ActionTakenAt.IsZero(),
ActionTakenAt: actionTakenAt,
Category: "other", // todo: only support default 'other' category right now
Comment: r.Comment,
Forwarded: *r.Forwarded,
CreatedAt: util.FormatISO8601(r.CreatedAt),
UpdatedAt: util.FormatISO8601(r.UpdatedAt),
Account: account,
TargetAccount: targetAccount,
AssignedAccount: actionTakenByAccount,
ActionTakenByAccount: actionTakenByAccount,
ActionTakenComment: actionTakenComment,
Statuses: statuses,
Rules: rules,
}, nil
}
// ListToAPIList converts one gts model list into an api model list, for serving at /api/v1/lists/{id}
func (c *Converter) ListToAPIList(ctx context.Context, l *gtsmodel.List) (*apimodel.List, error) {
return &apimodel.List{
ID: l.ID,
Title: l.Title,
RepliesPolicy: string(l.RepliesPolicy),
}, nil
}
// MarkersToAPIMarker converts several gts model markers into an api marker, for serving at /api/v1/markers
func (c *Converter) MarkersToAPIMarker(ctx context.Context, markers []*gtsmodel.Marker) (*apimodel.Marker, error) {
apiMarker := &apimodel.Marker{}
for _, marker := range markers {
apiTimelineMarker := &apimodel.TimelineMarker{
LastReadID: marker.LastReadID,
UpdatedAt: util.FormatISO8601(marker.UpdatedAt),
Version: marker.Version,
}
switch apimodel.MarkerName(marker.Name) {
case apimodel.MarkerNameHome:
apiMarker.Home = apiTimelineMarker
case apimodel.MarkerNameNotifications:
apiMarker.Notifications = apiTimelineMarker
default:
return nil, fmt.Errorf("unknown marker timeline name: %s", marker.Name)
}
}
return apiMarker, nil
}
// PollToAPIPoll converts a database (gtsmodel) Poll into an API model representation appropriate for the given requesting account.
func (c *Converter) PollToAPIPoll(ctx context.Context, requester *gtsmodel.Account, poll *gtsmodel.Poll) (*apimodel.Poll, error) {
// Ensure the poll model is fully populated for src status.
if err := c.state.DB.PopulatePoll(ctx, poll); err != nil {
return nil, gtserror.Newf("error populating poll: %w", err)
}
var (
options []apimodel.PollOption
totalVotes int
totalVoters *int
hasVoted *bool
ownChoices *[]int
isAuthor bool
expiresAt *string
emojis []apimodel.Emoji
)
// Preallocate a slice of frontend model poll choices.
options = make([]apimodel.PollOption, len(poll.Options))
// Add the titles to all of the options.
for i, title := range poll.Options {
options[i].Title = title
}
if requester != nil {
// Get vote by requester in poll (if any).
vote, err := c.state.DB.GetPollVoteBy(ctx,
poll.ID,
requester.ID,
)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
return nil, gtserror.Newf("error getting vote for poll %s: %w", poll.ID, err)
}
if vote != nil {
// Set choices by requester.
ownChoices = &vote.Choices
// Update default total in the
// case that counts are hidden
// (so we just show our own).
totalVotes = len(vote.Choices)
} else {
// Requester hasn't yet voted, use
// empty slice to serialize as `[]`.
ownChoices = &[]int{}
}
// Check if requester is author of source status.
isAuthor = (requester.ID == poll.Status.AccountID)
// Set whether requester has voted in poll (or = author).
hasVoted = util.Ptr((isAuthor || len(*ownChoices) > 0))
}
if isAuthor || !*poll.HideCounts {
// Only in the case that hide counts is
// disabled, or the requester is the author
// do we actually populate the vote counts.
// If we voted in this poll, we'll have set totalVotes
// earlier. Reset here to avoid double counting.
totalVotes = 0
if *poll.Multiple {
// The total number of voters are only
// provided in the case of a multiple
// choice poll. All else leaves it nil.
totalVoters = poll.Voters
}
// Populate per-vote counts
// and overall total vote count.
for i, count := range poll.Votes {
if options[i].VotesCount == nil {
options[i].VotesCount = new(int)
}
(*options[i].VotesCount) += count
totalVotes += count
}
}
if !poll.ExpiresAt.IsZero() {
// Calculate poll expiry string (if set).
str := util.FormatISO8601(poll.ExpiresAt)
expiresAt = &str
}
var err error
// Try to inherit emojis from parent status.
emojis, err = c.convertEmojisToAPIEmojis(ctx,
poll.Status.Emojis,
poll.Status.EmojiIDs,
)
if err != nil {
log.Errorf(ctx, "error converting emojis from parent status: %v", err)
emojis = []apimodel.Emoji{} // fallback to empty slice.
}
return &apimodel.Poll{
ID: poll.ID,
ExpiresAt: expiresAt,
Expired: poll.Closed(),
Multiple: (*poll.Multiple),
VotesCount: totalVotes,
VotersCount: totalVoters,
Voted: hasVoted,
OwnVotes: ownChoices,
Options: options,
Emojis: emojis,
}, nil
}
// convertAttachmentsToAPIAttachments will convert a slice of GTS model attachments to frontend API model attachments, falling back to IDs if no GTS models supplied.
func (c *Converter) convertAttachmentsToAPIAttachments(ctx context.Context, attachments []*gtsmodel.MediaAttachment, attachmentIDs []string) ([]*apimodel.Attachment, error) {
var errs gtserror.MultiError
if len(attachments) == 0 && len(attachmentIDs) > 0 {
// GTS model attachments were not populated
var err error
// Fetch GTS models for attachment IDs
attachments, err = c.state.DB.GetAttachmentsByIDs(ctx, attachmentIDs)
if err != nil {
errs.Appendf("error fetching attachments from database: %w", err)
}
}
// Preallocate expected frontend slice
apiAttachments := make([]*apimodel.Attachment, 0, len(attachments))
// Convert GTS models to frontend models
for _, attachment := range attachments {
apiAttachment, err := c.AttachmentToAPIAttachment(ctx, attachment)
if err != nil {
errs.Appendf("error converting attchment %s to api attachment: %w", attachment.ID, err)
continue
}
apiAttachments = append(apiAttachments, &apiAttachment)
}
return apiAttachments, errs.Combine()
}
// FilterToAPIFiltersV1 converts one GTS model filter into an API v1 filter list
func (c *Converter) FilterToAPIFiltersV1(ctx context.Context, filter *gtsmodel.Filter) ([]*apimodel.FilterV1, error) {
apiFilters := make([]*apimodel.FilterV1, 0, len(filter.Keywords))
for _, filterKeyword := range filter.Keywords {
apiFilter, err := c.FilterKeywordToAPIFilterV1(ctx, filterKeyword)
if err != nil {
return nil, err
}
apiFilters = append(apiFilters, apiFilter)
}
return apiFilters, nil
}
// FilterKeywordToAPIFilterV1 converts one GTS model filter and filter keyword into an API v1 filter
func (c *Converter) FilterKeywordToAPIFilterV1(ctx context.Context, filterKeyword *gtsmodel.FilterKeyword) (*apimodel.FilterV1, error) {
if filterKeyword.Filter == nil {
return nil, gtserror.New("FilterKeyword model's Filter field isn't populated, but needs to be")
}
filter := filterKeyword.Filter
return &apimodel.FilterV1{
// v1 filters have a single keyword each, so we use the filter keyword ID as the v1 filter ID.
ID: filterKeyword.ID,
Phrase: filterKeyword.Keyword,
Context: filterToAPIFilterContexts(filter),
WholeWord: util.PtrOrValue(filterKeyword.WholeWord, false),
ExpiresAt: filterExpiresAtToAPIFilterExpiresAt(filter.ExpiresAt),
Irreversible: filter.Action == gtsmodel.FilterActionHide,
}, nil
}
// FilterToAPIFilterV2 converts one GTS model filter into an API v2 filter.
func (c *Converter) FilterToAPIFilterV2(ctx context.Context, filter *gtsmodel.Filter) (*apimodel.FilterV2, error) {
apiFilterKeywords := make([]apimodel.FilterKeyword, 0, len(filter.Keywords))
for _, filterKeyword := range filter.Keywords {
apiFilterKeywords = append(apiFilterKeywords, *c.FilterKeywordToAPIFilterKeyword(ctx, filterKeyword))
}
apiFilterStatuses := make([]apimodel.FilterStatus, 0, len(filter.Keywords))
for _, filterStatus := range filter.Statuses {
apiFilterStatuses = append(apiFilterStatuses, *c.FilterStatusToAPIFilterStatus(ctx, filterStatus))
}
return &apimodel.FilterV2{
ID: filter.ID,
Title: filter.Title,
Context: filterToAPIFilterContexts(filter),
ExpiresAt: filterExpiresAtToAPIFilterExpiresAt(filter.ExpiresAt),
FilterAction: filterActionToAPIFilterAction(filter.Action),
Keywords: apiFilterKeywords,
Statuses: apiFilterStatuses,
}, nil
}
func filterExpiresAtToAPIFilterExpiresAt(expiresAt time.Time) *string {
if expiresAt.IsZero() {
return nil
}
return util.Ptr(util.FormatISO8601(expiresAt))
}
func filterToAPIFilterContexts(filter *gtsmodel.Filter) []apimodel.FilterContext {
apiContexts := make([]apimodel.FilterContext, 0, apimodel.FilterContextNumValues)
if util.PtrOrValue(filter.ContextHome, false) {
apiContexts = append(apiContexts, apimodel.FilterContextHome)
}
if util.PtrOrValue(filter.ContextNotifications, false) {
apiContexts = append(apiContexts, apimodel.FilterContextNotifications)
}
if util.PtrOrValue(filter.ContextPublic, false) {
apiContexts = append(apiContexts, apimodel.FilterContextPublic)
}
if util.PtrOrValue(filter.ContextThread, false) {
apiContexts = append(apiContexts, apimodel.FilterContextThread)
}
if util.PtrOrValue(filter.ContextAccount, false) {
apiContexts = append(apiContexts, apimodel.FilterContextAccount)
}
return apiContexts
}
func filterActionToAPIFilterAction(m gtsmodel.FilterAction) apimodel.FilterAction {
switch m {
case gtsmodel.FilterActionWarn:
return apimodel.FilterActionWarn
case gtsmodel.FilterActionHide:
return apimodel.FilterActionHide
}
return apimodel.FilterActionNone
}
// FilterKeywordToAPIFilterKeyword converts a GTS model filter status into an API filter status.
func (c *Converter) FilterKeywordToAPIFilterKeyword(ctx context.Context, filterKeyword *gtsmodel.FilterKeyword) *apimodel.FilterKeyword {
return &apimodel.FilterKeyword{
ID: filterKeyword.ID,
Keyword: filterKeyword.Keyword,
WholeWord: util.PtrOrValue(filterKeyword.WholeWord, false),
}
}
// FilterStatusToAPIFilterStatus converts a GTS model filter status into an API filter status.
func (c *Converter) FilterStatusToAPIFilterStatus(ctx context.Context, filterStatus *gtsmodel.FilterStatus) *apimodel.FilterStatus {
return &apimodel.FilterStatus{
ID: filterStatus.ID,
StatusID: filterStatus.StatusID,
}
}
// convertEmojisToAPIEmojis will convert a slice of GTS model emojis to frontend API model emojis, falling back to IDs if no GTS models supplied.
func (c *Converter) convertEmojisToAPIEmojis(ctx context.Context, emojis []*gtsmodel.Emoji, emojiIDs []string) ([]apimodel.Emoji, error) {
var errs gtserror.MultiError
if len(emojis) == 0 && len(emojiIDs) > 0 {
// GTS model attachments were not populated
var err error
// Fetch GTS models for emoji IDs
emojis, err = c.state.DB.GetEmojisByIDs(ctx, emojiIDs)
if err != nil {
errs.Appendf("error fetching emojis from database: %w", err)
}
}
// Preallocate expected frontend slice
apiEmojis := make([]apimodel.Emoji, 0, len(emojis))
// Convert GTS models to frontend models
for _, emoji := range emojis {
apiEmoji, err := c.EmojiToAPIEmoji(ctx, emoji)
if err != nil {
errs.Appendf("error converting emoji %s to api emoji: %w", emoji.ID, err)
continue
}
apiEmojis = append(apiEmojis, apiEmoji)
}
return apiEmojis, errs.Combine()
}
// convertMentionsToAPIMentions will convert a slice of GTS model mentions to frontend API model mentions, falling back to IDs if no GTS models supplied.
func (c *Converter) convertMentionsToAPIMentions(ctx context.Context, mentions []*gtsmodel.Mention, mentionIDs []string) ([]apimodel.Mention, error) {
var errs gtserror.MultiError
if len(mentions) == 0 && len(mentionIDs) > 0 {
var err error
// GTS model mentions were not populated
//
// Fetch GTS models for mention IDs
mentions, err = c.state.DB.GetMentions(ctx, mentionIDs)
if err != nil {
errs.Appendf("error fetching mentions from database: %w", err)
}
}
// Preallocate expected frontend slice
apiMentions := make([]apimodel.Mention, 0, len(mentions))
// Convert GTS models to frontend models
for _, mention := range mentions {
apiMention, err := c.MentionToAPIMention(ctx, mention)
if err != nil {
errs.Appendf("error converting mention %s to api mention: %w", mention.ID, err)
continue
}
apiMentions = append(apiMentions, apiMention)
}
return apiMentions, errs.Combine()
}
// convertTagsToAPITags will convert a slice of GTS model tags to frontend API model tags, falling back to IDs if no GTS models supplied.
func (c *Converter) convertTagsToAPITags(ctx context.Context, tags []*gtsmodel.Tag, tagIDs []string) ([]apimodel.Tag, error) {
var errs gtserror.MultiError
if len(tags) == 0 && len(tagIDs) > 0 {
var err error
tags, err = c.state.DB.GetTags(ctx, tagIDs)
if err != nil {
errs.Appendf("error fetching tags from database: %w", err)
}
}
// Preallocate expected frontend slice
apiTags := make([]apimodel.Tag, 0, len(tags))
// Convert GTS models to frontend models
for _, tag := range tags {
apiTag, err := c.TagToAPITag(ctx, tag, false)
if err != nil {
errs.Appendf("error converting tag %s to api tag: %w", tag.ID, err)
continue
}
apiTags = append(apiTags, apiTag)
}
return apiTags, errs.Combine()
}
// ThemesToAPIThemes converts a slice of gtsmodel Themes into apimodel Themes.
func (c *Converter) ThemesToAPIThemes(themes []*gtsmodel.Theme) []apimodel.Theme {
apiThemes := make([]apimodel.Theme, len(themes))
for i, theme := range themes {
apiThemes[i] = apimodel.Theme{
Title: theme.Title,
Description: theme.Description,
FileName: theme.FileName,
}
}
return apiThemes
}
// Convert the given gtsmodel policy
// into an apimodel interaction policy.
//
// Provided status can be nil to convert a
// policy without a particular status in mind.
//
// RequestingAccount can also be nil for
// unauthorized requests (web, public api etc).
func (c *Converter) InteractionPolicyToAPIInteractionPolicy(
ctx context.Context,
policy *gtsmodel.InteractionPolicy,
status *gtsmodel.Status,
requester *gtsmodel.Account,
) (*apimodel.InteractionPolicy, error) {
apiPolicy := &apimodel.InteractionPolicy{
CanFavourite: apimodel.PolicyRules{
Always: policyValsToAPIPolicyVals(policy.CanLike.Always),
WithApproval: policyValsToAPIPolicyVals(policy.CanLike.WithApproval),
},
CanReply: apimodel.PolicyRules{
Always: policyValsToAPIPolicyVals(policy.CanReply.Always),
WithApproval: policyValsToAPIPolicyVals(policy.CanReply.WithApproval),
},
CanReblog: apimodel.PolicyRules{
Always: policyValsToAPIPolicyVals(policy.CanAnnounce.Always),
WithApproval: policyValsToAPIPolicyVals(policy.CanAnnounce.WithApproval),
},
}
if status == nil || requester == nil {
// We're done here!
return apiPolicy, nil
}
// Status and requester are both defined,
// so we can add the "me" Value to the policy
// for each interaction type, if applicable.
likeable, err := c.intFilter.StatusLikeable(ctx, requester, status)
if err != nil {
err := gtserror.Newf("error checking status likeable by requester: %w", err)
return nil, err
}
if likeable.Permission == gtsmodel.PolicyPermissionPermitted {
// We can do this!
apiPolicy.CanFavourite.Always = append(
apiPolicy.CanFavourite.Always,
apimodel.PolicyValueMe,
)
} else if likeable.Permission == gtsmodel.PolicyPermissionWithApproval {
// We can do this with approval.
apiPolicy.CanFavourite.WithApproval = append(
apiPolicy.CanFavourite.WithApproval,
apimodel.PolicyValueMe,
)
}
replyable, err := c.intFilter.StatusReplyable(ctx, requester, status)
if err != nil {
err := gtserror.Newf("error checking status replyable by requester: %w", err)
return nil, err
}
if replyable.Permission == gtsmodel.PolicyPermissionPermitted {
// We can do this!
apiPolicy.CanReply.Always = append(
apiPolicy.CanReply.Always,
apimodel.PolicyValueMe,
)
} else if replyable.Permission == gtsmodel.PolicyPermissionWithApproval {
// We can do this with approval.
apiPolicy.CanReply.WithApproval = append(
apiPolicy.CanReply.WithApproval,
apimodel.PolicyValueMe,
)
}
boostable, err := c.intFilter.StatusBoostable(ctx, requester, status)
if err != nil {
err := gtserror.Newf("error checking status boostable by requester: %w", err)
return nil, err
}
if boostable.Permission == gtsmodel.PolicyPermissionPermitted {
// We can do this!
apiPolicy.CanReblog.Always = append(
apiPolicy.CanReblog.Always,
apimodel.PolicyValueMe,
)
} else if boostable.Permission == gtsmodel.PolicyPermissionWithApproval {
// We can do this with approval.
apiPolicy.CanReblog.WithApproval = append(
apiPolicy.CanReblog.WithApproval,
apimodel.PolicyValueMe,
)
}
return apiPolicy, nil
}
func policyValsToAPIPolicyVals(vals gtsmodel.PolicyValues) []apimodel.PolicyValue {
var (
valsLen = len(vals)
// Use a map to deduplicate added vals as we go.
addedVals = make(map[apimodel.PolicyValue]struct{}, valsLen)
// Vals we'll be returning.
apiVals = make([]apimodel.PolicyValue, 0, valsLen)
)
for _, policyVal := range vals {
switch policyVal {
case gtsmodel.PolicyValueAuthor:
// Author can do this.
newVal := apimodel.PolicyValueAuthor
if _, added := addedVals[newVal]; !added {
apiVals = append(apiVals, newVal)
addedVals[newVal] = struct{}{}
}
case gtsmodel.PolicyValueMentioned:
// Mentioned can do this.
newVal := apimodel.PolicyValueMentioned
if _, added := addedVals[newVal]; !added {
apiVals = append(apiVals, newVal)
addedVals[newVal] = struct{}{}
}
case gtsmodel.PolicyValueMutuals:
// Mutuals can do this.
newVal := apimodel.PolicyValueMutuals
if _, added := addedVals[newVal]; !added {
apiVals = append(apiVals, newVal)
addedVals[newVal] = struct{}{}
}
case gtsmodel.PolicyValueFollowing:
// Following can do this.
newVal := apimodel.PolicyValueFollowing
if _, added := addedVals[newVal]; !added {
apiVals = append(apiVals, newVal)
addedVals[newVal] = struct{}{}
}
case gtsmodel.PolicyValueFollowers:
// Followers can do this.
newVal := apimodel.PolicyValueFollowers
if _, added := addedVals[newVal]; !added {
apiVals = append(apiVals, newVal)
addedVals[newVal] = struct{}{}
}
case gtsmodel.PolicyValuePublic:
// Public can do this.
newVal := apimodel.PolicyValuePublic
if _, added := addedVals[newVal]; !added {
apiVals = append(apiVals, newVal)
addedVals[newVal] = struct{}{}
}
default:
// Specific URI of ActivityPub Actor.
newVal := apimodel.PolicyValue(policyVal)
if _, added := addedVals[newVal]; !added {
apiVals = append(apiVals, newVal)
addedVals[newVal] = struct{}{}
}
}
}
return apiVals
}