func BlockMongoUrlPassword()

in common/common.go [151:183]

• 29 lines of code
• 13 McCabe index (conditional complexity)

func BlockMongoUrlPassword(url, replace string) string {
	colon := strings.Index(url, ":")
	if colon == -1 || colon == len(url)-1 {
		return url
	} else if url[colon+1] == '/' {
		// find the second '/'
		for colon++; colon < len(url); colon++ {
			if url[colon] == ':' {
				break
			}
		}

		if colon == len(url) {
			return url
		}
	}

	at := strings.Index(url, "@")
	if at == -1 || at == len(url)-1 || at <= colon {
		return url
	}

	newUrl := make([]byte, 0, len(url))
	for i := 0; i < len(url); i++ {
		if i <= colon || i > at {
			newUrl = append(newUrl, byte(url[i]))
		} else if i == at {
			newUrl = append(newUrl, []byte(replace)...)
			newUrl = append(newUrl, byte(url[i]))
		}
	}
	return string(newUrl)
}