package server import ( "fmt" "github.com/emersion/go-smtp" "golang.org/x/time/rate" "heckel.io/ntfy/log" "heckel.io/ntfy/util" "net/http" "strings" "unicode/utf8" ) // logr creates a new log event with HTTP request fields func logr(r *http.Request) *log.Event { return log.Fields(httpFields(r)) } // logr creates a new log event with visitor fields func logv(v *visitor) *log.Event { return log.With(v) } // logr creates a new log event with HTTP request and visitor fields func logvr(v *visitor, r *http.Request) *log.Event { return logv(v).Fields(httpFields(r)) } // logvrm creates a new log event with HTTP request, visitor fields and message fields func logvrm(v *visitor, r *http.Request, m *message) *log.Event { return logvr(v, r).With(m) } // logvrm creates a new log event with visitor fields and message fields func logvm(v *visitor, m *message) *log.Event { return logv(v).With(m) } // logem creates a new log event with email fields func logem(state *smtp.ConnectionState) *log.Event { return log. Tag(tagSMTP). Fields(log.Context{ "smtp_hostname": state.Hostname, "smtp_remote_addr": state.RemoteAddr.String(), }) } func httpFields(r *http.Request) map[string]any { requestURI := r.RequestURI if requestURI == "" { requestURI = r.URL.Path } return map[string]any{ "http_method": r.Method, "http_path": requestURI, } } func requestLimiterFields(limiter *rate.Limiter) map[string]any { return map[string]any{ "visitor_request_limiter_limit": limiter.Limit(), "visitor_request_limiter_tokens": limiter.Tokens(), } } func renderHTTPRequest(r *http.Request) string { peekLimit := 4096 lines := fmt.Sprintf("%s %s %s\n", r.Method, r.URL.RequestURI(), r.Proto) for key, values := range r.Header { for _, value := range values { lines += fmt.Sprintf("%s: %s\n", key, value) } } lines += "\n" body, err := util.Peek(r.Body, peekLimit) if err != nil { lines = fmt.Sprintf("(could not read body: %s)\n", err.Error()) } else if utf8.Valid(body.PeekedBytes) { lines += string(body.PeekedBytes) if body.LimitReached { lines += fmt.Sprintf(" ... (peeked %d bytes)", peekLimit) } lines += "\n" } else { if body.LimitReached { lines += fmt.Sprintf("(peeked bytes not UTF-8, peek limit of %d bytes reached, hex: %x ...)\n", peekLimit, body.PeekedBytes) } else { lines += fmt.Sprintf("(peeked bytes not UTF-8, %d bytes, hex: %x)\n", len(body.PeekedBytes), body.PeekedBytes) } } r.Body = body // Important: Reset body, so it can be re-read return strings.TrimSpace(lines) }