Simple blogging system written in Go https://goblog.app
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

65 lines
1.9 KiB

package main
import (
"net/http"
"net/url"
"strings"
)
func noIndexHeader(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("X-Robots-Tag", "noindex")
next.ServeHTTP(w, r)
})
}
func fixHTTPHandler(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
r.URL.RawPath = ""
next.ServeHTTP(w, r)
})
}
func headAsGetHandler(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method == http.MethodHead {
r.Method = http.MethodGet
}
next.ServeHTTP(w, r)
})
}
func (a *goBlog) securityHeaders(next http.Handler) http.Handler {
// Build CSP domains list
var cspBuilder strings.Builder
if mp := a.cfg.Micropub.MediaStorage; mp != nil && mp.MediaURL != "" {
if u, err := url.Parse(mp.MediaURL); err == nil {
cspBuilder.WriteByte(' ')
cspBuilder.WriteString(u.Hostname())
}
}
if len(a.cfg.Server.CSPDomains) > 0 {
cspBuilder.WriteByte(' ')
cspBuilder.WriteString(strings.Join(a.cfg.Server.CSPDomains, " "))
}
cspDomains := cspBuilder.String()
// Return handler
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Strict-Transport-Security", "max-age=31536000;")
w.Header().Set("Referrer-Policy", "no-referrer")
w.Header().Set("X-Content-Type-Options", "nosniff")
w.Header().Set("X-Frame-Options", "SAMEORIGIN")
w.Header().Set("X-Xss-Protection", "1; mode=block")
w.Header().Set("Content-Security-Policy", "default-src 'self'"+cspDomains+"; img-src 'self' "+cspDomains+" data:")
next.ServeHTTP(w, r)
})
}
func (a *goBlog) addOnionLocation(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if a.torAddress != "" {
w.Header().Set("Onion-Location", a.torAddress+r.RequestURI)
}
next.ServeHTTP(w, r)
})
}