384 lines
12 KiB
Go
384 lines
12 KiB
Go
// GoToSocial
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// Copyright (C) GoToSocial Authors admin@gotosocial.org
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// SPDX-License-Identifier: AGPL-3.0-or-later
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package processing
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import (
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"context"
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"fmt"
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"sort"
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apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
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"github.com/superseriousbusiness/gotosocial/internal/config"
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"github.com/superseriousbusiness/gotosocial/internal/db"
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"github.com/superseriousbusiness/gotosocial/internal/gtserror"
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"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
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"github.com/superseriousbusiness/gotosocial/internal/log"
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"github.com/superseriousbusiness/gotosocial/internal/text"
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"github.com/superseriousbusiness/gotosocial/internal/util"
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"github.com/superseriousbusiness/gotosocial/internal/validate"
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)
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func (p *Processor) InstanceGetV1(ctx context.Context) (*apimodel.InstanceV1, gtserror.WithCode) {
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i, err := p.getThisInstance(ctx)
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if err != nil {
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return nil, gtserror.NewErrorInternalError(fmt.Errorf("db error fetching instance: %s", err))
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}
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ai, err := p.converter.InstanceToAPIV1Instance(ctx, i)
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if err != nil {
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return nil, gtserror.NewErrorInternalError(fmt.Errorf("error converting instance to api representation: %s", err))
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}
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return ai, nil
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}
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func (p *Processor) InstanceGetV2(ctx context.Context) (*apimodel.InstanceV2, gtserror.WithCode) {
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i, err := p.getThisInstance(ctx)
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if err != nil {
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return nil, gtserror.NewErrorInternalError(fmt.Errorf("db error fetching instance: %s", err))
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}
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ai, err := p.converter.InstanceToAPIV2Instance(ctx, i)
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if err != nil {
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return nil, gtserror.NewErrorInternalError(fmt.Errorf("error converting instance to api representation: %s", err))
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}
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return ai, nil
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}
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func (p *Processor) InstancePeersGet(ctx context.Context, includeSuspended bool, includeOpen bool, flat bool) (interface{}, gtserror.WithCode) {
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domains := []*apimodel.Domain{}
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if includeOpen {
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instances, err := p.state.DB.GetInstancePeers(ctx, false)
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if err != nil && err != db.ErrNoEntries {
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err = fmt.Errorf("error selecting instance peers: %s", err)
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return nil, gtserror.NewErrorInternalError(err)
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}
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for _, i := range instances {
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// Domain may be in Punycode,
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// de-punify it just in case.
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d, err := util.DePunify(i.Domain)
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if err != nil {
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log.Errorf(ctx, "couldn't depunify domain %s: %s", i.Domain, err)
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continue
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}
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domains = append(domains, &apimodel.Domain{Domain: d})
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}
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}
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if includeSuspended {
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domainBlocks := []*gtsmodel.DomainBlock{}
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if err := p.state.DB.GetAll(ctx, &domainBlocks); err != nil && err != db.ErrNoEntries {
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return nil, gtserror.NewErrorInternalError(err)
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}
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for _, domainBlock := range domainBlocks {
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// Domain may be in Punycode,
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// de-punify it just in case.
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d, err := util.DePunify(domainBlock.Domain)
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if err != nil {
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log.Errorf(ctx, "couldn't depunify domain %s: %s", domainBlock.Domain, err)
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continue
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}
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if *domainBlock.Obfuscate {
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// Obfuscate the de-punified version.
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d = obfuscate(d)
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}
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domains = append(domains, &apimodel.Domain{
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Domain: d,
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SuspendedAt: util.FormatISO8601(domainBlock.CreatedAt),
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PublicComment: domainBlock.PublicComment,
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})
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}
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}
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sort.Slice(domains, func(i, j int) bool {
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return domains[i].Domain < domains[j].Domain
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})
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if flat {
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flattened := []string{}
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for _, d := range domains {
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flattened = append(flattened, d.Domain)
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}
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return flattened, nil
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}
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return domains, nil
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}
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func (p *Processor) InstanceGetRules(ctx context.Context) ([]apimodel.InstanceRule, gtserror.WithCode) {
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i, err := p.getThisInstance(ctx)
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if err != nil {
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return nil, gtserror.NewErrorInternalError(fmt.Errorf("db error fetching instance: %s", err))
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}
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return p.converter.InstanceRulesToAPIRules(i.Rules), nil
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}
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func (p *Processor) InstancePatch(ctx context.Context, form *apimodel.InstanceSettingsUpdateRequest) (*apimodel.InstanceV1, gtserror.WithCode) {
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// Fetch this instance from the db for processing.
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instance, err := p.getThisInstance(ctx)
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if err != nil {
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err = fmt.Errorf("db error fetching instance: %w", err)
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return nil, gtserror.NewErrorInternalError(err)
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}
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// Fetch this instance account from the db for processing.
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instanceAcc, err := p.state.DB.GetInstanceAccount(ctx, "")
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if err != nil {
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err = fmt.Errorf("db error fetching instance account: %w", err)
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return nil, gtserror.NewErrorInternalError(err)
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}
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// Columns to update
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// in the database.
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var columns []string
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// Validate & update site
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// title if set on the form.
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if form.Title != nil {
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title := *form.Title
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if err := validate.SiteTitle(title); err != nil {
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return nil, gtserror.NewErrorBadRequest(err, err.Error())
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}
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// Don't allow html in site title.
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instance.Title = text.SanitizeToPlaintext(title)
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columns = append(columns, "title")
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}
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// Validate & update site contact
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// account if set on the form.
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//
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// Empty username unsets contact.
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if form.ContactUsername != nil {
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contactAccountID, err := p.contactAccountIDForUsername(ctx, *form.ContactUsername)
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if err != nil {
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return nil, gtserror.NewErrorBadRequest(err, err.Error())
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}
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columns = append(columns, "contact_account_id")
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instance.ContactAccountID = contactAccountID
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}
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// Validate & update contact
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// email if set on the form.
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//
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// Empty email unsets contact.
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if form.ContactEmail != nil {
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contactEmail := *form.ContactEmail
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if contactEmail != "" {
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if err := validate.Email(contactEmail); err != nil {
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return nil, gtserror.NewErrorBadRequest(err, err.Error())
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}
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}
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columns = append(columns, "contact_email")
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instance.ContactEmail = contactEmail
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}
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// Validate & update site short
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// description if set on the form.
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if form.ShortDescription != nil {
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shortDescription := *form.ShortDescription
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if err := validate.SiteShortDescription(shortDescription); err != nil {
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return nil, gtserror.NewErrorBadRequest(err, err.Error())
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}
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// Parse description as Markdown, keep
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// the raw version for later editing.
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instance.ShortDescriptionText = shortDescription
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instance.ShortDescription = p.formatter.FromMarkdown(ctx, p.parseMentionFunc, instanceAcc.ID, "", shortDescription).HTML
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columns = append(columns, []string{"short_description", "short_description_text"}...)
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}
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// validate & update site description if it's set on the form
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if form.Description != nil {
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description := *form.Description
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if err := validate.SiteDescription(description); err != nil {
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return nil, gtserror.NewErrorBadRequest(err, err.Error())
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}
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// Parse description as Markdown, keep
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// the raw version for later editing.
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instance.DescriptionText = description
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instance.Description = p.formatter.FromMarkdown(ctx, p.parseMentionFunc, instanceAcc.ID, "", description).HTML
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columns = append(columns, []string{"description", "description_text"}...)
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}
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// validate & update site custom css if it's set on the form
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if form.CustomCSS != nil {
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customCSS := *form.CustomCSS
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if err := validate.InstanceCustomCSS(customCSS); err != nil {
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return nil, gtserror.NewErrorBadRequest(err, err.Error())
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}
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instance.CustomCSS = text.SanitizeToPlaintext(customCSS)
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columns = append(columns, []string{"custom_css"}...)
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}
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// Validate & update site
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// terms if set on the form.
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if form.Terms != nil {
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terms := *form.Terms
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if err := validate.SiteTerms(terms); err != nil {
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return nil, gtserror.NewErrorBadRequest(err, err.Error())
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}
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// Parse terms as Markdown, keep
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// the raw version for later editing.
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instance.TermsText = terms
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instance.Terms = p.formatter.FromMarkdown(ctx, p.parseMentionFunc, "", "", terms).HTML
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columns = append(columns, []string{"terms", "terms_text"}...)
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}
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var updateInstanceAccount bool
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if form.Avatar != nil && form.Avatar.Size != 0 {
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// Process instance avatar image + description.
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avatarInfo, errWithCode := p.account.UpdateAvatar(ctx,
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instanceAcc,
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form.Avatar,
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form.AvatarDescription,
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)
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if errWithCode != nil {
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return nil, errWithCode
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}
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instanceAcc.AvatarMediaAttachmentID = avatarInfo.ID
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instanceAcc.AvatarMediaAttachment = avatarInfo
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updateInstanceAccount = true
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} else if form.AvatarDescription != nil && instanceAcc.AvatarMediaAttachment != nil {
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// Process just the description for the existing avatar.
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instanceAcc.AvatarMediaAttachment.Description = *form.AvatarDescription
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if err := p.state.DB.UpdateAttachment(ctx, instanceAcc.AvatarMediaAttachment, "description"); err != nil {
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err = fmt.Errorf("db error updating instance avatar description: %w", err)
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return nil, gtserror.NewErrorInternalError(err)
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}
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}
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if form.Header != nil && form.Header.Size != 0 {
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// process instance header image
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headerInfo, errWithCode := p.account.UpdateHeader(ctx,
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instanceAcc,
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form.Header,
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nil,
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)
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if errWithCode != nil {
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return nil, errWithCode
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}
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instanceAcc.HeaderMediaAttachmentID = headerInfo.ID
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instanceAcc.HeaderMediaAttachment = headerInfo
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updateInstanceAccount = true
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}
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if updateInstanceAccount {
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// If either avatar or header is updated, we need
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// to update the instance account that stores them.
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if err := p.state.DB.UpdateAccount(ctx, instanceAcc); err != nil {
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err = fmt.Errorf("db error updating instance account: %w", err)
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return nil, gtserror.NewErrorInternalError(err, err.Error())
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}
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}
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if len(columns) != 0 {
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if err := p.state.DB.UpdateInstance(ctx, instance, columns...); err != nil {
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err = fmt.Errorf("db error updating instance: %w", err)
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return nil, gtserror.NewErrorInternalError(err, err.Error())
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}
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}
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return p.InstanceGetV1(ctx)
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}
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func (p *Processor) getThisInstance(ctx context.Context) (*gtsmodel.Instance, error) {
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instance, err := p.state.DB.GetInstance(ctx, config.GetHost())
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if err != nil {
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return nil, err
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}
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return instance, nil
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}
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func (p *Processor) contactAccountIDForUsername(ctx context.Context, username string) (string, error) {
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if username == "" {
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// Easy: unset
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// contact account.
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return "", nil
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}
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// Make sure local account with the given username exists in the db.
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contactAccount, err := p.state.DB.GetAccountByUsernameDomain(ctx, username, "")
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if err != nil {
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err = fmt.Errorf("db error getting selected contact account with username %s: %w", username, err)
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return "", err
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}
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// Make sure account corresponds to a user.
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contactUser, err := p.state.DB.GetUserByAccountID(ctx, contactAccount.ID)
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if err != nil {
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err = fmt.Errorf("db error getting user for selected contact account %s: %w", username, err)
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return "", err
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}
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// Ensure account/user is:
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//
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// - confirmed and approved
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// - not suspended
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// - an admin or a moderator
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if contactUser.ConfirmedAt.IsZero() {
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err := fmt.Errorf("user of selected contact account %s is not confirmed", contactAccount.Username)
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return "", err
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}
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if !*contactUser.Approved {
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err := fmt.Errorf("user of selected contact account %s is not approved", contactAccount.Username)
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return "", err
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}
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if !contactAccount.SuspendedAt.IsZero() {
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err := fmt.Errorf("selected contact account %s is suspended", contactAccount.Username)
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return "", err
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}
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if !*contactUser.Admin && !*contactUser.Moderator {
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err := fmt.Errorf("user of selected contact account %s is neither admin nor moderator", contactAccount.Username)
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return "", err
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}
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// All good!
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return contactAccount.ID, nil
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}
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func obfuscate(domain string) string {
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obfuscated := make([]rune, len(domain))
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for i, r := range domain {
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if i%3 == 1 || i%5 == 1 {
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obfuscated[i] = '*'
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} else {
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obfuscated[i] = r
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}
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}
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return string(obfuscated)
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}
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