57 lines
1.1 KiB
Go
57 lines
1.1 KiB
Go
package asses
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import (
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"context"
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"crypto/md5"
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"encoding/base64"
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"io"
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"log"
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"math/rand"
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"os"
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"path"
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"time"
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)
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func One(ctx context.Context, p string) error {
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shortp := path.Join("...", path.Dir(p), path.Base(p))
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last, err := checkLast(ctx, p)
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if err != nil {
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return err
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}
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if last.T.IsZero() {
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log.Printf("asses.One(%s) // never seen before", shortp)
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} else if cksum, err := Cksum(p); err != nil {
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return err
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} else if cksum != last.Cksum {
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log.Printf("asses.One(%s) // cksum changed", shortp)
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} else if threshold := 20 + time.Duration(rand.Int()%10)*24*time.Hour; time.Since(last.T) < threshold {
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log.Printf("asses.One(%s) // lt %v since last review", shortp, threshold.Hours())
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return nil
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}
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log.Printf("asses.deport(%s)...", shortp)
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if err := deport(ctx, p); err != nil {
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return err
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}
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cksum, err := Cksum(p)
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if err != nil {
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return err
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}
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return checked(ctx, p, cksum)
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}
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func Cksum(p string) (string, error) {
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f, err := os.Open(p)
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if err != nil {
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return "", err
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}
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defer f.Close()
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hasher := md5.New()
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_, err = io.Copy(hasher, f)
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return base64.StdEncoding.EncodeToString(hasher.Sum(nil)), err
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}
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