42 lines
983 B
Go
42 lines
983 B
Go
package discovery
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import (
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"crypto/sha256"
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"io"
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"os"
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)
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// PluginMeta is metadata about a plugin, useful for launching the plugin
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// and for understanding which plugins are available.
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type PluginMeta struct {
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// Name is the name of the plugin, e.g. as inferred from the plugin
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// binary's filename, or by explicit configuration.
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Name string
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// Version is the semver version of the plugin, expressed as a string
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// that might not be semver-valid.
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Version VersionStr
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// Path is the absolute path of the executable that can be launched
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// to provide the RPC server for this plugin.
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Path string
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}
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// SHA256 returns a SHA256 hash of the content of the referenced executable
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// file, or an error if the file's contents cannot be read.
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func (m PluginMeta) SHA256() ([]byte, error) {
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f, err := os.Open(m.Path)
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if err != nil {
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return nil, err
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}
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defer f.Close()
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h := sha256.New()
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_, err = io.Copy(h, f)
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if err != nil {
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return nil, err
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}
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return h.Sum(nil), nil
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}
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