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20 lines
503 B
Go
20 lines
503 B
Go
package strutils
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import "path"
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// SanitizeURI sanitizes a URI reference to ensure it is safe
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// It disallows URLs beginning with // or /\ as absolute URLs,
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// cleans the URL path to remove any .. or . path elements,
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// and ensures the URL starts with a / if it doesn't already
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func SanitizeURI(uri string) string {
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if uri == "" {
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return "/"
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}
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if uri[0] != '/' {
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uri = "/" + uri
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}
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if len(uri) > 1 && uri[0] == '/' && uri[1] != '/' && uri[1] != '\\' {
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return path.Clean(uri)
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}
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return "/"
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}
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