mirror of
https://github.com/v2fly/v2ray-core.git
synced 2024-09-02 01:34:17 -04:00
49 lines
1.4 KiB
Go
49 lines
1.4 KiB
Go
package securedload
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import (
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"bytes"
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"crypto/sha256"
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"encoding/hex"
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"strings"
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"github.com/v2fly/VSign/insmgr"
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"github.com/v2fly/VSign/signerVerify"
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"github.com/v2fly/v2ray-core/v4/common/platform"
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"github.com/v2fly/v2ray-core/v4/common/platform/filesystem"
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)
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type EmbeddedHashProtectedLoader struct {
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checkedFile map[string]string
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}
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func (e EmbeddedHashProtectedLoader) VerifyAndLoad(filename string) ([]byte, error) {
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filecontent, err := filesystem.ReadFile(platform.GetAssetLocation(filename))
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if err != nil {
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return nil, newError("Cannot find file", filename).Base(err)
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}
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fileHash := sha256.Sum256(filecontent)
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fileHashAsString := hex.EncodeToString(fileHash[:])
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if filenameverified, ok := e.checkedFile[fileHashAsString]; ok {
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for _, filenameVerifiedIndividual := range strings.Split(filenameverified, ";") {
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if strings.HasSuffix(filenameVerifiedIndividual, filename) {
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return filecontent, nil
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}
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}
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}
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return nil, newError("Unrecognized file at ", filename, " can not be loaded for execution")
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}
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func NewEmbeddedHashProtectedLoader() *EmbeddedHashProtectedLoader {
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instructions := insmgr.ReadAllIns(bytes.NewReader([]byte(allowedHashes)))
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checkedFile, _, ok := signerVerify.CheckAsClient(instructions, "v2fly", true)
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if !ok {
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panic("Embedded Hash data is invalid")
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}
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return &EmbeddedHashProtectedLoader{checkedFile: checkedFile}
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}
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func init() {
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RegisterProtectedLoader("embedded", NewEmbeddedHashProtectedLoader())
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}
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