git add

Hunter0x7c7

2022-08-11 a82f9cb69f63aaeba40c024960deda7d75b9fece

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package securedload 
 
import ( 
    "bytes" 
    "crypto/sha256" 
    "encoding/hex" 
    "path/filepath" 
    "strings" 
 
    "github.com/v2fly/VSign/insmgr" 
    "github.com/v2fly/VSign/signerVerify" 
 
    "github.com/v2fly/v2ray-core/v5/common/platform" 
    "github.com/v2fly/v2ray-core/v5/common/platform/filesystem" 
) 
 
type EmbeddedHashProtectedLoader struct { 
    checkedFile map[string]string 
} 
 
func (e EmbeddedHashProtectedLoader) VerifyAndLoad(filename string) ([]byte, error) { 
    platformFileName := filepath.FromSlash(filename) 
    fileContent, err := filesystem.ReadFile(platform.GetAssetLocation(platformFileName)) 
    if err != nil { 
        return nil, newError("Cannot find file", filename).Base(err) 
    } 
    fileHash := sha256.Sum256(fileContent) 
    fileHashAsString := hex.EncodeToString(fileHash[:]) 
    if fileNameVerified, ok := e.checkedFile[fileHashAsString]; ok { 
        for _, filenameVerifiedIndividual := range strings.Split(fileNameVerified, ";") { 
            if strings.HasSuffix(filenameVerifiedIndividual, filename) { 
                return fileContent, nil 
            } 
        } 
    } 
    return nil, newError("Unrecognized file at ", filename, " can not be loaded for execution") 
} 
 
func NewEmbeddedHashProtectedLoader() *EmbeddedHashProtectedLoader { 
    instructions := insmgr.ReadAllIns(bytes.NewReader([]byte(allowedHashes))) 
    checkedFile, _, ok := signerVerify.CheckAsClient(instructions, "v2fly", true) 
    if !ok { 
        panic("Embedded Hash data is invalid") 
    } 
    return &EmbeddedHashProtectedLoader{checkedFile: checkedFile} 
} 
 
func init() { 
    RegisterProtectedLoader("embedded", NewEmbeddedHashProtectedLoader()) 
}