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zeekayandHanzo Dev
0fadcf3101
Modules declare go 1.27.1 and the build images follow. go fix applied the modernizers; omitzero is not applied, since it changes what the JSON says. Co-authored-by: Hanzo Dev <[email protected]>
100 lines
2.3 KiB
Go
100 lines
2.3 KiB
Go
// Copyright (C) 2025, Lux Industries, Inc. All rights reserved.
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// See the file LICENSE for licensing terms.
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package netutil
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import (
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"net"
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"net/http"
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"net/netip"
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"net/url"
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"regexp"
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"strings"
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)
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// GetUserIPAddress retrieves the IP address of the user.
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func GetUserIPAddress() (string, error) {
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resp, err := http.Get("https://api.ipify.org?format=json")
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if err != nil {
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return "", err
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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return "", errors.New("HTTP request failed")
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}
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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return "", err
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}
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var result map[string]any
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if err := json.Unmarshal(body, &result); err != nil {
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return "", err
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}
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ipAddress, ok := result["ip"].(string)
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if ok {
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if net.ParseIP(ipAddress) == nil {
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return "", errors.New("invalid IP address")
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}
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return ipAddress, nil
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}
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return "", errors.New("no IP address found")
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}
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func IsValidIP(ipStr string) bool {
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return net.ParseIP(ipStr) != nil
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}
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// IsValidURL checks if a URL is valid.
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func IsValidURL(urlString string) bool {
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u, err := url.Parse(urlString)
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if err != nil || u.Scheme == "" || u.Host == "" {
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return false
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}
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return true
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}
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// IsValidIPPort checks if an string IP:port pair is valid.
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func IsValidIPPort(ipPortPair string) bool {
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if _, err := GetIPPort(ipPortPair); err != nil {
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return false
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}
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return true
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}
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// GetIPPort parses netip.IPPort from string that also may include http schema
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func GetIPPort(uri string) (netip.AddrPort, error) {
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uri = strings.TrimPrefix(uri, "https://")
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uri = strings.TrimPrefix(uri, "http://")
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return netip.ParseAddrPort(uri)
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}
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// SplitLuxgoRPCURI splits the RPC URI into `endpoint` and `chain`.
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// Reverse operation of `fmt.Sprintf("%s/v1/chain/%s", endpoint, chain)`.
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// Returns the `uri` and `chain` as strings, or an error if the request URI is invalid.
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func SplitLuxgoRPCURI(requestURI string) (string, string, error) {
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// Define the regex pattern
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pattern := `^(https?://[^/]+)/v1/chain/([^/]+)/rpc$`
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regex := regexp.MustCompile(pattern)
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// Match the pattern
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matches := regex.FindStringSubmatch(requestURI)
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if matches == nil || len(matches) != 3 {
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return "", "", fmt.Errorf("invalid request URI format")
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}
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// Extract `endpoint` and `chain`
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endpoint := matches[1]
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chain := matches[2]
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return endpoint, chain, nil
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}
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