40 lines
701 B
Go
40 lines
701 B
Go
package update
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import (
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"archive/zip"
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"bytes"
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"crypto/sha256"
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"errors"
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"io"
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"net/http"
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)
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// update study_xxqg自我更新
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func update(url string, sum []byte) error {
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resp, err := http.Get(url)
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if err != nil {
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return err
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}
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defer resp.Body.Close()
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wc := writeSumCounter{
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hash: sha256.New(),
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}
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rsp, err := io.ReadAll(io.TeeReader(resp.Body, &wc))
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if err != nil {
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return err
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}
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if !bytes.Equal(wc.hash.Sum(nil), sum) {
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return errors.New("文件已损坏")
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}
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reader, _ := zip.NewReader(bytes.NewReader(rsp), resp.ContentLength)
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file, err := reader.Open("study_xxqg.exe")
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if err != nil {
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return err
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}
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err, _ = fromStream(file)
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if err != nil {
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return err
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}
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return nil
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}
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