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47 lines
1.8 KiB
Go
47 lines
1.8 KiB
Go
package middleware
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import (
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"crypto/subtle"
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"net/http"
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"github.com/owncast/owncast/config"
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log "github.com/sirupsen/logrus"
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)
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// RequireAdminAuth wraps a handler requiring HTTP basic auth for it using the given
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// the stream key as the password and and a hardcoded "admin" for username.
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func RequireAdminAuth(handler http.HandlerFunc) http.HandlerFunc {
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username := "admin"
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password := config.Config.VideoSettings.StreamingKey
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realm := "Owncast Authenticated Request"
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return func(w http.ResponseWriter, r *http.Request) {
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// The following line is kind of a work around.
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// If you want HTTP Basic Auth + Cors it requires _explicit_ origins to be provided in the
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// Access-Control-Allow-Origin header. So we just pull out the origin header and specify it.
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// If we want to lock down admin APIs to not be CORS accessible for anywhere, this is where we would do that.
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w.Header().Set("Access-Control-Allow-Origin", r.Header.Get("Origin"))
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w.Header().Set("Access-Control-Allow-Credentials", "true")
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w.Header().Set("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept, Authorization")
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// For request needing CORS, send a 200.
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if r.Method == "OPTIONS" {
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w.WriteHeader(http.StatusOK)
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return
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}
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user, pass, ok := r.BasicAuth()
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// Failed
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if !ok || subtle.ConstantTimeCompare([]byte(user), []byte(username)) != 1 || subtle.ConstantTimeCompare([]byte(pass), []byte(password)) != 1 {
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w.Header().Set("WWW-Authenticate", `Basic realm="`+realm+`"`)
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http.Error(w, "Unauthorized", http.StatusUnauthorized)
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log.Warnln("Failed authentication for", r.URL.Path, "from", r.RemoteAddr, r.UserAgent())
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return
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}
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// Success
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log.Traceln("Authenticated request OK for", r.URL.Path, "from", r.RemoteAddr, r.UserAgent())
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handler(w, r)
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}
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}
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