38 lines
944 B
Go
38 lines
944 B
Go
package usecase
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import (
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"context"
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"fmt"
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"strings"
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"source.toby3d.me/toby3d/home/internal/domain"
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"source.toby3d.me/toby3d/home/internal/site"
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"source.toby3d.me/toby3d/home/internal/webfinger"
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)
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type webFingerUseCase struct {
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sites site.Repository
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}
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func NewWebFingerUseCase(sites site.Repository) webfinger.UseCase {
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return &webFingerUseCase{sites: sites}
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}
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func (ucase *webFingerUseCase) Do(ctx context.Context, acct string) (*domain.Site, error) {
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parts := strings.Split(acct, "@")
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if len(parts) != 2 {
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return nil, fmt.Errorf("invalid 'acct' value format, got %s, want [user, host]", parts)
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}
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site, err := ucase.sites.Get(ctx, domain.LanguageUnd)
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if err != nil {
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return nil, fmt.Errorf("cannot read global site config: %w", err)
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}
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if !strings.EqualFold(parts[1], site.BaseURL.Hostname()) {
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return nil, fmt.Errorf("requested %s user outside %s resource", parts[1], site.BaseURL.Hostname())
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}
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return site, nil
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}
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