56 lines
1.2 KiB
Go
56 lines
1.2 KiB
Go
package utils
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import (
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"log"
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"log/slog"
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"net"
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"os"
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"path/filepath"
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)
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const rsaBits = 4096
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func GetFilePath(path string) string {
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// Check for empty filename
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if len(path) == 0 {
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return ""
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}
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// check if filename exists
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if _, err := os.Stat(path); os.IsNotExist((err)) {
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slog.Info("File not found, searching in same directory as binary", "filename", path)
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// if not, check that it exists in the same directory as the currently executing binary
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ex, err2 := os.Executable()
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if err2 != nil {
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slog.Error("Error determining binary path", "error", err)
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return ""
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}
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binaryPath := filepath.Dir(ex)
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path = filepath.Join(binaryPath, path)
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}
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return path
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}
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// Get preferred outbound ip of this machine
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// @see https://stackoverflow.com/questions/23558425/how-do-i-get-the-local-ip-address-in-go
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func GetOutboundIP() net.IP {
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conn, err := net.Dial("udp", "8.8.8.8:80")
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if err != nil {
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log.Fatal(err)
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}
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defer conn.Close()
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localAddr := conn.LocalAddr().(*net.UDPAddr)
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return localAddr.IP
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}
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// Check if a file exists from https://stackoverflow.com/questions/12518876/how-to-check-if-a-file-exists-in-go
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func FileExists(filename string) bool {
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info, err := os.Stat(filename)
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if os.IsNotExist(err) {
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return false
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}
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return !info.IsDir()
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}
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