GoToSocial/internal/processing/instance.go

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/*
GoToSocial
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Copyright (C) 2021-2022 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 processing
import (
"context"
"fmt"
"sort"
apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/oauth"
"github.com/superseriousbusiness/gotosocial/internal/text"
"github.com/superseriousbusiness/gotosocial/internal/util"
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"github.com/superseriousbusiness/gotosocial/internal/validate"
)
func (p *processor) InstanceGet(ctx context.Context, domain string) (*apimodel.Instance, gtserror.WithCode) {
i := &gtsmodel.Instance{}
if err := p.db.GetWhere(ctx, []db.Where{{Key: "domain", Value: domain}}, i); err != nil {
return nil, gtserror.NewErrorInternalError(fmt.Errorf("db error fetching instance %s: %s", domain, err))
}
ai, err := p.tc.InstanceToAPIInstance(ctx, i)
if err != nil {
return nil, gtserror.NewErrorInternalError(fmt.Errorf("error converting instance to api representation: %s", err))
}
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return ai, nil
}
func (p *processor) InstancePeersGet(ctx context.Context, authed *oauth.Auth, includeSuspended bool, includeOpen bool, flat bool) (interface{}, gtserror.WithCode) {
domains := []*apimodel.Domain{}
if includeOpen {
if !config.GetInstanceExposePeers() && (authed.Account == nil || authed.User == nil) {
err := fmt.Errorf("peers open query requires an authenticated account/user")
return nil, gtserror.NewErrorUnauthorized(err, err.Error())
}
instances, err := p.db.GetInstancePeers(ctx, false)
if err != nil && err != db.ErrNoEntries {
err = fmt.Errorf("error selecting instance peers: %s", err)
return nil, gtserror.NewErrorInternalError(err)
}
for _, i := range instances {
domain := &apimodel.Domain{Domain: i.Domain}
domains = append(domains, domain)
}
}
if includeSuspended {
if !config.GetInstanceExposeSuspended() && (authed.Account == nil || authed.User == nil) {
err := fmt.Errorf("peers suspended query requires an authenticated account/user")
return nil, gtserror.NewErrorUnauthorized(err, err.Error())
}
domainBlocks := []*gtsmodel.DomainBlock{}
if err := p.db.GetAll(ctx, &domainBlocks); err != nil && err != db.ErrNoEntries {
return nil, gtserror.NewErrorInternalError(err)
}
for _, d := range domainBlocks {
if *d.Obfuscate {
d.Domain = obfuscate(d.Domain)
}
domain := &apimodel.Domain{
Domain: d.Domain,
SuspendedAt: util.FormatISO8601(d.CreatedAt),
PublicComment: d.PublicComment,
}
domains = append(domains, domain)
}
}
sort.Slice(domains, func(i, j int) bool {
return domains[i].Domain < domains[j].Domain
})
if flat {
flattened := []string{}
for _, d := range domains {
flattened = append(flattened, d.Domain)
}
return flattened, nil
}
return domains, nil
}
func (p *processor) InstancePatch(ctx context.Context, form *apimodel.InstanceSettingsUpdateRequest) (*apimodel.Instance, gtserror.WithCode) {
// fetch the instance entry from the db for processing
i := &gtsmodel.Instance{}
[chore] Global server configuration overhaul (#575) * move config flag names and usage to config package, rewrite config package to use global Configuration{} struct Signed-off-by: kim <grufwub@gmail.com> * improved code comment Signed-off-by: kim <grufwub@gmail.com> * linter Signed-off-by: kim <grufwub@gmail.com> * fix unmarshaling Signed-off-by: kim <grufwub@gmail.com> * remove kim's custom go compiler changes Signed-off-by: kim <grufwub@gmail.com> * generate setter and flag-name functions, implement these in codebase Signed-off-by: kim <grufwub@gmail.com> * update deps Signed-off-by: kim <grufwub@gmail.com> * small change Signed-off-by: kim <grufwub@gmail.com> * appease the linter... Signed-off-by: kim <grufwub@gmail.com> * move configuration into ConfigState structure, ensure reloading to/from viper settings to keep in sync Signed-off-by: kim <grufwub@gmail.com> * lint Signed-off-by: kim <grufwub@gmail.com> * update code comments Signed-off-by: kim <grufwub@gmail.com> * fix merge issue Signed-off-by: kim <grufwub@gmail.com> * fix merge issue Signed-off-by: kim <grufwub@gmail.com> * improved version string (removes time + go version) Signed-off-by: kim <grufwub@gmail.com> * fix version string build to pass test script + consolidate logic in func Signed-off-by: kim <grufwub@gmail.com> * add license text, update config.Defaults comment Signed-off-by: kim <grufwub@gmail.com> * add license text to generated config helpers file Signed-off-by: kim <grufwub@gmail.com> * defer unlock on config.Set___(), to ensure unlocked on panic Signed-off-by: kim <grufwub@gmail.com> * make it more obvious which cmd flags are being attached Signed-off-by: kim <grufwub@gmail.com>
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host := config.GetHost()
if err := p.db.GetWhere(ctx, []db.Where{{Key: "domain", Value: host}}, i); err != nil {
return nil, gtserror.NewErrorInternalError(fmt.Errorf("db error fetching instance %s: %s", host, err))
}
// fetch the instance account from the db for processing
ia, err := p.db.GetInstanceAccount(ctx, "")
if err != nil {
return nil, gtserror.NewErrorInternalError(fmt.Errorf("db error fetching instance account %s: %s", host, err))
}
updatingColumns := []string{}
// validate & update site title if it's set on the form
if form.Title != nil {
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if err := validate.SiteTitle(*form.Title); err != nil {
return nil, gtserror.NewErrorBadRequest(err, fmt.Sprintf("site title invalid: %s", err))
}
updatingColumns = append(updatingColumns, "title")
i.Title = text.SanitizePlaintext(*form.Title) // don't allow html in site title
}
// validate & update site contact account if it's set on the form
if form.ContactUsername != nil {
// make sure the account with the given username exists in the db
contactAccount, err := p.db.GetAccountByUsernameDomain(ctx, *form.ContactUsername, "")
if err != nil {
return nil, gtserror.NewErrorBadRequest(err, fmt.Sprintf("account with username %s not retrievable", *form.ContactUsername))
}
// make sure it has a user associated with it
contactUser, err := p.db.GetUserByAccountID(ctx, contactAccount.ID)
if err != nil {
return nil, gtserror.NewErrorBadRequest(err, fmt.Sprintf("user for account with username %s not retrievable", *form.ContactUsername))
}
// suspended accounts cannot be contact accounts
if !contactAccount.SuspendedAt.IsZero() {
err := fmt.Errorf("selected contact account %s is suspended", contactAccount.Username)
return nil, gtserror.NewErrorBadRequest(err, err.Error())
}
// unconfirmed or unapproved users cannot be contacts
if contactUser.ConfirmedAt.IsZero() {
err := fmt.Errorf("user of selected contact account %s is not confirmed", contactAccount.Username)
return nil, gtserror.NewErrorBadRequest(err, err.Error())
}
if !*contactUser.Approved {
err := fmt.Errorf("user of selected contact account %s is not approved", contactAccount.Username)
return nil, gtserror.NewErrorBadRequest(err, err.Error())
}
// contact account user must be admin or moderator otherwise what's the point of contacting them
if !*contactUser.Admin && !*contactUser.Moderator {
err := fmt.Errorf("user of selected contact account %s is neither admin nor moderator", contactAccount.Username)
return nil, gtserror.NewErrorBadRequest(err, err.Error())
}
updatingColumns = append(updatingColumns, "contact_account_id")
i.ContactAccountID = contactAccount.ID
}
// validate & update site contact email if it's set on the form
if form.ContactEmail != nil {
contactEmail := *form.ContactEmail
if contactEmail != "" {
if err := validate.Email(contactEmail); err != nil {
return nil, gtserror.NewErrorBadRequest(err, err.Error())
}
}
updatingColumns = append(updatingColumns, "contact_email")
i.ContactEmail = contactEmail
}
// validate & update site short description if it's set on the form
if form.ShortDescription != nil {
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if err := validate.SiteShortDescription(*form.ShortDescription); err != nil {
return nil, gtserror.NewErrorBadRequest(err, err.Error())
}
updatingColumns = append(updatingColumns, "short_description")
i.ShortDescription = text.SanitizeHTML(*form.ShortDescription) // html is OK in site description, but we should sanitize it
}
// validate & update site description if it's set on the form
if form.Description != nil {
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if err := validate.SiteDescription(*form.Description); err != nil {
return nil, gtserror.NewErrorBadRequest(err, err.Error())
}
updatingColumns = append(updatingColumns, "description")
i.Description = text.SanitizeHTML(*form.Description) // html is OK in site description, but we should sanitize it
}
// validate & update site terms if it's set on the form
if form.Terms != nil {
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if err := validate.SiteTerms(*form.Terms); err != nil {
return nil, gtserror.NewErrorBadRequest(err, err.Error())
}
updatingColumns = append(updatingColumns, "terms")
i.Terms = text.SanitizeHTML(*form.Terms) // html is OK in site terms, but we should sanitize it
}
var updateInstanceAccount bool
// process instance avatar if provided
if form.Avatar != nil && form.Avatar.Size != 0 {
avatarInfo, err := p.accountProcessor.UpdateAvatar(ctx, form.Avatar, form.AvatarDescription, ia.ID)
if err != nil {
return nil, gtserror.NewErrorBadRequest(err, "error processing avatar")
}
ia.AvatarMediaAttachmentID = avatarInfo.ID
ia.AvatarMediaAttachment = avatarInfo
updateInstanceAccount = true
}
// process instance header if provided
if form.Header != nil && form.Header.Size != 0 {
headerInfo, err := p.accountProcessor.UpdateHeader(ctx, form.Header, nil, ia.ID)
if err != nil {
return nil, gtserror.NewErrorBadRequest(err, "error processing header")
}
ia.HeaderMediaAttachmentID = headerInfo.ID
ia.HeaderMediaAttachment = headerInfo
updateInstanceAccount = true
}
if updateInstanceAccount {
// if either avatar or header is updated, we need
// to update the instance account that stores them
if err := p.db.UpdateAccount(ctx, ia); err != nil {
return nil, gtserror.NewErrorInternalError(fmt.Errorf("db error updating instance account: %s", err))
}
}
if len(updatingColumns) != 0 {
if err := p.db.UpdateByID(ctx, i, i.ID, updatingColumns...); err != nil {
return nil, gtserror.NewErrorInternalError(fmt.Errorf("db error updating instance %s: %s", host, err))
}
}
ai, err := p.tc.InstanceToAPIInstance(ctx, i)
if err != nil {
return nil, gtserror.NewErrorInternalError(fmt.Errorf("error converting instance to api representation: %s", err))
}
return ai, nil
}
func obfuscate(domain string) string {
obfuscated := make([]rune, len(domain))
for i, r := range domain {
if i%3 == 1 || i%5 == 1 {
obfuscated[i] = '*'
} else {
obfuscated[i] = r
}
}
return string(obfuscated)
}