85 lines
2.7 KiB
Go
85 lines
2.7 KiB
Go
package main
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import (
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"context"
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"errors"
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"flag"
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"fmt"
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"github.com/letsencrypt/boulder/sa"
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)
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// subcommandUpdateEmail encapsulates the "admin update-email" command.
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//
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// Note that this command may be very slow, as the initial query to find the set
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// of accounts which have a matching contact email address does not use a
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// database index. Therefore, when updating the found accounts, it does not exit
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// on failure, preferring to continue and make as much progress as possible.
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type subcommandUpdateEmail struct {
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address string
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clear bool
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}
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var _ subcommand = (*subcommandUpdateEmail)(nil)
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func (s *subcommandUpdateEmail) Desc() string {
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return "Change or remove an email address across all accounts"
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}
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func (s *subcommandUpdateEmail) Flags(flag *flag.FlagSet) {
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flag.StringVar(&s.address, "address", "", "Email address to update")
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flag.BoolVar(&s.clear, "clear", false, "If set, remove the address")
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}
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func (s *subcommandUpdateEmail) Run(ctx context.Context, a *admin) error {
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if s.address == "" {
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return errors.New("the -address flag is required")
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}
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if s.clear {
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return a.clearEmail(ctx, s.address)
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}
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return errors.New("no action to perform on the given email was specified")
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}
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func (a *admin) clearEmail(ctx context.Context, address string) error {
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a.log.AuditInfof("Scanning database for accounts with email addresses matching %q in order to clear the email addresses.", address)
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// We use SQL `CONCAT` rather than interpolating with `+` or `%s` because we want to
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// use a `?` placeholder for the email, which prevents SQL injection.
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// Since this uses a substring match, it is important
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// to subsequently parse the JSON list of addresses and look for exact matches.
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// Because this does not use an index, it is very slow.
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var regIDs []int64
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_, err := a.dbMap.Select(ctx, ®IDs, "SELECT id FROM registrations WHERE contact LIKE CONCAT('%\"mailto:', ?, '\"%')", address)
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if err != nil {
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return fmt.Errorf("identifying matching accounts: %w", err)
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}
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a.log.Infof("Found %d registration IDs matching email %q.", len(regIDs), address)
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failures := 0
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for _, regID := range regIDs {
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if a.dryRun {
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a.log.Infof("dry-run: remove %q from account %d", address, regID)
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continue
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}
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err := sa.ClearEmail(ctx, a.dbMap, regID, address)
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if err != nil {
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// Log, but don't fail, because it took a long time to find the relevant registration IDs
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// and we don't want to have to redo that work.
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a.log.AuditErrf("failed to clear email %q for registration ID %d: %s", address, regID, err)
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failures++
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} else {
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a.log.AuditInfof("cleared email %q for registration ID %d", address, regID)
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}
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}
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if failures > 0 {
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return fmt.Errorf("failed to clear email for %d out of %d registration IDs", failures, len(regIDs))
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}
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return nil
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}
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