69 lines
2.3 KiB
Go
69 lines
2.3 KiB
Go
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package main
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import (
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"fmt"
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"net/http"
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"runtime/debug"
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"github.com/justinas/nosurf"
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"rpjosh.de/ncDocConverter/pkg/logger"
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)
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func secureHeaders(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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// Note: This is split across multiple lines for readability. You don't
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// need to do this in your own code.
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w.Header().Set("Content-Security-Policy",
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//"default-src 'self' localhost:*; style-src 'self' fonts.googleapis.com localhost:*; font-src fonts.gstatic.com")
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"default-src * 'unsafe-inline' 'unsafe-eval'; script-src * 'unsafe-inline' 'unsafe-eval'; connect-src * 'unsafe-inline'; img-src * data: blob: 'unsafe-inline'; frame-src *; style-src * 'unsafe-inline';")
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w.Header().Set("Referrer-Policy", "origin-when-cross-origin")
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w.Header().Set("X-Content-Type-Options", "nosniff")
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w.Header().Set("X-Frame-Options", "deny")
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w.Header().Set("X-XSS-Protection", "0")
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next.ServeHTTP(w, r)
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})
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}
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func (app *WebApplication) logRequest(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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logger.Info("%s - %s %s %s", r.RemoteAddr, r.Proto, r.Method, r.URL.RequestURI())
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next.ServeHTTP(w, r)
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})
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}
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func (app *WebApplication) recoverPanic(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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// Create a deferred function (which will always be run in the event
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// of a panic as Go unwinds the stack).
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defer func() {
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// Use the builtin recover function to check if there has been a
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// panic or not. If there has...
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if err := recover(); err != nil {
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// Set a "Connection: close" header on the response.
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w.Header().Set("Connection", "close")
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// Call the app.serverError helper method to return a 500
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// Internal Server response.
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trace := fmt.Sprintf("%s\n%s", fmt.Errorf("%s", err).Error(), debug.Stack())
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logger.Error(trace)
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}
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}()
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next.ServeHTTP(w, r)
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})
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}
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// Create a NoSurf middleware function which uses a customized CSRF cookie with
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// the Secure, Path and HttpOnly attributes set.
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func noSurf(next http.Handler) http.Handler {
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csrfHandler := nosurf.New(next)
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csrfHandler.SetBaseCookie(http.Cookie{
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HttpOnly: true,
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Path: "/",
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Secure: true,
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})
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return csrfHandler
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}
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