48 lines
1.1 KiB
Go
48 lines
1.1 KiB
Go
package nostr
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import (
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"net/url"
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"strings"
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)
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// NormalizeURL normalizes the url and replaces http://, https:// schemes with ws://, wss://
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// and normalizes the path.
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func NormalizeURL(u string) string {
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if u == "" {
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return ""
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}
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u = strings.TrimSpace(u)
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u = strings.ToLower(u)
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if fqn := strings.Split(u, ":")[0]; fqn == "localhost" || fqn == "127.0.0.1" {
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u = "ws://" + u
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} else if !strings.HasPrefix(u, "http") && !strings.HasPrefix(u, "ws") {
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u = "wss://" + u
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}
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p, err := url.Parse(u)
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if err != nil {
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return ""
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}
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if p.Scheme == "http" {
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p.Scheme = "ws"
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} else if p.Scheme == "https" {
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p.Scheme = "wss"
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}
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p.Path = strings.TrimRight(p.Path, "/")
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return p.String()
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}
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// NormalizeOKMessage takes a string message that is to be sent in an `OK` or `CLOSED` command
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// and prefixes it with "<prefix>: " if it doesn't already have an acceptable prefix.
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func NormalizeOKMessage(reason string, prefix string) string {
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if idx := strings.Index(reason, ": "); idx == -1 || strings.IndexByte(reason[0:idx], ' ') != -1 {
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return prefix + ": " + reason
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}
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return reason
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}
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