49 lines
1.4 KiB
Go
49 lines
1.4 KiB
Go
package api
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import (
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"bytes"
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"strings"
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"net/http"
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"encoding/json"
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"encoding/base64"
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"github.com/julienschmidt/httprouter"
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)
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func jsonOutput(w http.ResponseWriter,data interface{}){
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js, err := json.Marshal(data)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.Write(js)
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}
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func BasicAuth(h httprouter.Handle, pass []byte) httprouter.Handle {
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return func(w http.ResponseWriter, r *http.Request, ps httprouter.Params) {
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const basicAuthPrefix string = "Basic "
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// Get the Basic Authentication credentials
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auth := r.Header.Get("Authorization")
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if strings.HasPrefix(auth, basicAuthPrefix) {
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// Check credentials
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payload, err := base64.StdEncoding.DecodeString(auth[len(basicAuthPrefix):])
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if err == nil {
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pair := bytes.SplitN(payload, []byte(":"), 2)
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if len(pair) == 2 &&
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bytes.Equal(pair[1], pass) {
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// Delegate request to the given handle
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h(w, r, ps)
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return
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}
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}
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}
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// Request Basic Authentication otherwise
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w.Header().Set("WWW-Authenticate", "Basic realm=Restricted")
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http.Error(w, http.StatusText(http.StatusUnauthorized), http.StatusUnauthorized)
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}
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}
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