44 lines
818 B
Go
44 lines
818 B
Go
package checker
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import (
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"net/url"
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"reflect"
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)
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// CheckerURL is the name of the checker.
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const CheckerURL = "url"
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// ResultNotURL indicates that the given value is not a valid URL.
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const ResultNotURL = "NOT_URL"
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// IsURL checks if the given value is a valid URL.
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func IsURL(value string) Result {
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url, err := url.ParseRequestURI(value)
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if err != nil {
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return ResultNotURL
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}
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if url.Scheme == "" {
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return ResultNotURL
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}
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if url.Host == "" {
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return ResultNotURL
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}
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return ResultValid
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}
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// makeURL makes a checker function for the URL checker.
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func makeURL(_ string) CheckFunc {
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return checkURL
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}
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// checkURL checks if the given value is a valid URL.
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func checkURL(value, _ reflect.Value) Result {
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if value.Kind() != reflect.String {
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panic("string expected")
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}
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return IsURL(value.String())
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}
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