28 lines
667 B
Go
28 lines
667 B
Go
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package licence
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import (
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"fmt"
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"io"
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"os"
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)
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func VerifyFile(filePath string, expected Subject) (*Licence, error) {
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file, err := os.Open(filePath)
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if err != nil {
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return nil, fmt.Errorf("%w: 打开指定文件失败", ErrMalformedFile)
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}
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content, readErr := io.ReadAll(io.LimitReader(file, maximumLicenceFileBytes+1))
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closeErr := file.Close()
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if readErr != nil {
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return nil, fmt.Errorf("%w: 读取指定文件失败", ErrMalformedFile)
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}
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if len(content) > maximumLicenceFileBytes {
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return nil, ErrFileTooLarge
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}
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if closeErr != nil {
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return nil, fmt.Errorf("%w: 关闭指定文件失败", ErrMalformedFile)
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}
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return Verify(content, expected)
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}
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