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25 lines
780 B
Go
25 lines
780 B
Go
package middleware
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import (
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"net/http"
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"github.com/zenazn/goji/web"
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)
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// Options automatically return an appropriate "Allow" header when the
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// request method is OPTIONS and the request would have otherwise been 404'd.
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func Options(c *web.C, h http.Handler) http.Handler {
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fn := func(w http.ResponseWriter, r *http.Request) {
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if r.Method == "OPTIONS" {
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w.Header().Set("Access-Control-Allow-Origin", "*")
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w.Header().Set("Access-Control-Allow-Methods", "GET,POST,PUT,DELETE,OPTIONS")
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w.Header().Set("Access-Control-Allow-Headers", "Authorization")
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w.Header().Set("Allow", "HEAD,GET,POST,PUT,DELETE,OPTIONS")
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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return
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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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