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26 lines
579 B
Go
26 lines
579 B
Go
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package pattern
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import (
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"fmt"
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"regexp"
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"strings"
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)
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var patternReString = `^[A-z0-9_\-/=.:*]*$`
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var patternRe = regexp.MustCompile(patternReString)
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var maxPatternLength = 160
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func Valid(pattern string) (bool, string) {
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if strings.HasPrefix(pattern, "/") {
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return false, "pattern can't start with /"
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}
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if !patternRe.MatchString(pattern) {
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return false, fmt.Sprintf("pattern format error, must match %s", patternReString)
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}
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if len(pattern) > maxPatternLength {
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return false, fmt.Sprintf("pattern max length exceeded (%d)", maxPatternLength)
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}
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return true, ""
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}
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