github.com/xtls/xray-core@v1.8.12-0.20240518155711-3168d27b0bdb/common/platform/others.go (about)

     1  //go:build !windows
     2  // +build !windows
     3  
     4  package platform
     5  
     6  import (
     7  	"os"
     8  	"path/filepath"
     9  )
    10  
    11  func ExpandEnv(s string) string {
    12  	return os.ExpandEnv(s)
    13  }
    14  
    15  func LineSeparator() string {
    16  	return "\n"
    17  }
    18  
    19  func GetToolLocation(file string) string {
    20  	toolPath := NewEnvFlag(ToolLocation).GetValue(getExecutableDir)
    21  	return filepath.Join(toolPath, file)
    22  }
    23  
    24  // GetAssetLocation searches for `file` in certain locations
    25  func GetAssetLocation(file string) string {
    26  	assetPath := NewEnvFlag(AssetLocation).GetValue(getExecutableDir)
    27  	defPath := filepath.Join(assetPath, file)
    28  	for _, p := range []string{
    29  		defPath,
    30  		filepath.Join("/usr/local/share/xray/", file),
    31  		filepath.Join("/usr/share/xray/", file),
    32  		filepath.Join("/opt/share/xray/", file),
    33  	} {
    34  		if _, err := os.Stat(p); os.IsNotExist(err) {
    35  			continue
    36  		}
    37  
    38  		// asset found
    39  		return p
    40  	}
    41  
    42  	// asset not found, let the caller throw out the error
    43  	return defPath
    44  }