31 lines
1,022 B
Go
31 lines
1,022 B
Go
package middleware
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import (
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"net/http"
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"time"
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"github.com/zenazn/goji/web"
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)
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// SetHeaders is a middleware function that applies
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// default headers and caching rules to each request.
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func SetHeaders(c *web.C, h http.Handler) http.Handler {
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fn := func(w http.ResponseWriter, r *http.Request) {
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w.Header().Add("Access-Control-Allow-Origin", "*")
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w.Header().Add("X-Frame-Options", "DENY")
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w.Header().Add("X-Content-Type-Options", "nosniff")
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w.Header().Add("X-XSS-Protection", "1; mode=block")
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w.Header().Add("Cache-Control", "no-cache")
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w.Header().Add("Cache-Control", "no-store")
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w.Header().Add("Cache-Control", "max-age=0")
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w.Header().Add("Cache-Control", "must-revalidate")
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w.Header().Add("Cache-Control", "value")
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w.Header().Set("Last-Modified", time.Now().UTC().Format(http.TimeFormat))
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w.Header().Set("Expires", "Thu, 01 Jan 1970 00:00:00 GMT")
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if r.TLS != nil {
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w.Header().Add("Strict-Transport-Security", "max-age=31536000")
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}
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h.ServeHTTP(w, r)
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}
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return http.HandlerFunc(fn)
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}
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