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[server] Add caching headers

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This commit is contained in:
Ciprian Dorin Craciun 2018-11-09 03:26:16 +02:00
parent fddbe788d5
commit 623ac0040d
1 changed files with 19 additions and 2 deletions
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21
sources/cmd/server.go
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@ -8,6 +8,7 @@ import "fmt"
import "log" import "log"
import "net/http" import "net/http"
import "net/url" import "net/url"
import "time"
import "github.com/colinmarc/cdb" import "github.com/colinmarc/cdb"
@ -23,6 +24,9 @@ type server struct {
func (_server *server) ServeHTTP (_response http.ResponseWriter, _request *http.Request) () { func (_server *server) ServeHTTP (_response http.ResponseWriter, _request *http.Request) () {
_timestamp := time.Now ()
_timestampHttp := _timestamp.Format (http.TimeFormat)
_responseHeaders := _response.Header () _responseHeaders := _response.Header ()
_responseHeaders.Set ("Content-Security-Policy", "upgrade-insecure-requests") _responseHeaders.Set ("Content-Security-Policy", "upgrade-insecure-requests")
@ -31,6 +35,10 @@ func (_server *server) ServeHTTP (_response http.ResponseWriter, _request *http.
_responseHeaders.Set ("X-Content-Type-Options", "nosniff") _responseHeaders.Set ("X-Content-Type-Options", "nosniff")
_responseHeaders.Set ("X-XSS-Protection", "1; mode=block") _responseHeaders.Set ("X-XSS-Protection", "1; mode=block")
_responseHeaders.Set ("Date", _timestampHttp)
_responseHeaders.Set ("Last-Modified", _timestampHttp)
_responseHeaders.Set ("Age", "0")
_method := _request.Method _method := _request.Method
_path := _request.URL.Path _path := _request.URL.Path
@ -70,6 +78,8 @@ func (_server *server) ServeHTTP (_response http.ResponseWriter, _request *http.
} else { } else {
_data, _dataContentType := FaviconData () _data, _dataContentType := FaviconData ()
_responseHeaders.Set ("Content-Type", _dataContentType) _responseHeaders.Set ("Content-Type", _dataContentType)
_responseHeaders.Set ("Cache-Control", "public, immutable, max-age=3600")
_responseHeaders.Set ("ETag", "f00f5f99bb3d45ef9806547fe5fe031a")
_response.WriteHeader (http.StatusOK) _response.WriteHeader (http.StatusOK)
_response.Write (_data) _response.Write (_data)
} }
@ -109,6 +119,8 @@ func (_server *server) ServeHTTP (_response http.ResponseWriter, _request *http.
log.Printf ("[dd] [b15f3cad] serving for `%s`...\n", _path) log.Printf ("[dd] [b15f3cad] serving for `%s`...\n", _path)
} }
_responseHeaders.Set ("Cache-Control", "public, immutable, max-age=3600")
_responseHeaders.Set ("ETag", _fingerprint)
_response.WriteHeader (http.StatusOK) _response.WriteHeader (http.StatusOK)
_response.Write (_data) _response.Write (_data)
} }
@ -117,6 +129,8 @@ func (_server *server) ServeHTTP (_response http.ResponseWriter, _request *http.
func (_server *server) ServeRedirect (_response http.ResponseWriter, _status uint, _urlRaw string) () { func (_server *server) ServeRedirect (_response http.ResponseWriter, _status uint, _urlRaw string) () {
_responseHeaders := _response.Header ()
var _url string var _url string
if _url_0, _error := url.Parse (_urlRaw); _error == nil { if _url_0, _error := url.Parse (_urlRaw); _error == nil {
_url = _url_0.String () _url = _url_0.String ()
@ -124,8 +138,11 @@ func (_server *server) ServeRedirect (_response http.ResponseWriter, _status uin
_server.ServeError (_response, http.StatusInternalServerError, _error) _server.ServeError (_response, http.StatusInternalServerError, _error)
return return
} }
_response.Header () .Set ("Content-Type", "text/plain; charset=utf-8")
_response.Header () .Set ("Location", _url) _responseHeaders.Set ("Content-Type", "text/plain; charset=utf-8")
_responseHeaders.Set ("Cache-Control", "public, immutable, max-age=3600")
_responseHeaders.Set ("ETag", "7aa652d8d607b85808c87c1c2105fbb5")
_responseHeaders.Set ("Location", _url)
_response.WriteHeader (int (_status)) _response.WriteHeader (int (_status))
_response.Write ([]byte (fmt.Sprintf ("[%d] %s", _status, _url))) _response.Write ([]byte (fmt.Sprintf ("[%d] %s", _status, _url)))
} }