mirror of https://github.com/jlelse/GoBlog
39 lines
1.0 KiB
Go
39 lines
1.0 KiB
Go
package main
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import (
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"context"
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"database/sql"
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"time"
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"golang.org/x/crypto/acme/autocert"
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)
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type autocertCache struct{}
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func (c *autocertCache) Get(ctx context.Context, key string) ([]byte, error) {
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var data []byte
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row, err := appDbQueryRow("select data from autocert where key = @key", sql.Named("key", key))
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if err != nil {
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return nil, err
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}
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err = row.Scan(&data)
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if err == sql.ErrNoRows {
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return nil, autocert.ErrCacheMiss
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}
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return data, err
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}
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func (c *autocertCache) Put(ctx context.Context, key string, data []byte) error {
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startWritingToDb()
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defer finishWritingToDb()
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_, err := appDbExec("insert or replace into autocert (key, data, created) values (@key, @data, @created)", sql.Named("key", key), sql.Named("data", data), sql.Named("created", time.Now().String()))
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return err
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}
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func (c *autocertCache) Delete(ctx context.Context, key string) error {
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startWritingToDb()
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defer finishWritingToDb()
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_, err := appDbExec("delete from autocert where key = @key", sql.Named("key", key))
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return err
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}
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