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@ -1,11 +1,15 @@
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package internal
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import (
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"context"
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"fmt"
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"log"
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"net/http"
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"os"
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"sync"
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"time"
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uuid "github.com/satori/go.uuid"
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)
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type Shortcuts map[string]string
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@ -29,33 +33,43 @@ func NewServer(tp TemplateRenderer, shortcutStore *ShortcutStore, accessLogging
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mux.HandleFunc("/search", handlerFunc)
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mux.HandleFunc("/search_to_home", handlerFunc)
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return mux
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return accessLoggerMiddleware(mux)
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}
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func searchHandler(scs *CommandHandler, shortcutStore *ShortcutStore, logAccess bool) http.HandlerFunc {
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func accessLoggerMiddleware(middleware http.Handler) http.Handler {
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accessLogger := log.New(os.Stdout, "[access] ", log.Ldate|log.Lmicroseconds|log.Lshortfile)
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return http.HandlerFunc(func(res http.ResponseWriter, req *http.Request) {
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requestId := uuid.NewV4()
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setupHeaders(res.Header(), requestId.String())
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accessLogger.Printf("[%s] %s %s '%s'", requestId, getRemoteIP(req), req.Method, req.URL.String())
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middleware.ServeHTTP(res, req.WithContext(context.WithValue(req.Context(), "id", requestId.String())))
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})
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}
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func searchHandler(scs *CommandHandler, shortcutStore *ShortcutStore, logAccess bool) http.HandlerFunc {
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searchLogger := log.New(os.Stdout, "[search] ", log.Ldate|log.Lmicroseconds|log.Lshortfile)
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return func(res http.ResponseWriter, req *http.Request) {
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requestId := req.Context().Value("id")
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v := req.URL.Query()
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commandString := v.Get("q")
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action, err := scs.Handle(commandString)
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if err != nil {
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if logAccess {
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accessLogger.Printf("'%s' -> got error: '%s'", commandString, err.Error())
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searchLogger.Printf("[%s] '%s' -> got error: '%s'", requestId, commandString, err.Error())
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}
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http.Redirect(res, req, fmt.Sprintf("https://duckduckgo.com?q=%s", commandString), http.StatusFound)
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http.Redirect(res, req, fmt.Sprintf("https://duckduckgo.com?q=%s", commandString), http.StatusFound)
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return
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}
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accessLogger.Printf("'%s' %s -> 302 %s", commandString, action.Action, action.Location)
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searchLogger.Printf("[%s] '%s' %s -> 302 %s", requestId, commandString, action.Action, action.Location)
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if action.Action != "lookup" {
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if err := shortcutStore.SaveShortcuts(scs.Shortcuts, nil); err != nil {
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if logAccess {
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accessLogger.Printf("'%s' %s -> could not save shortcuts database file: %v", commandString, action.Action, err)
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searchLogger.Printf("[%s] '%s' %s -> could not save shortcuts database file: %v", requestId, commandString, action.Action, err)
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}
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http.Error(res, err.Error(), http.StatusInternalServerError)
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return
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@ -65,3 +79,24 @@ func searchHandler(scs *CommandHandler, shortcutStore *ShortcutStore, logAccess
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http.Redirect(res, req, action.Location, http.StatusFound)
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}
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}
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func setupHeaders(headers http.Header, requestId string) {
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headers.Set("X-RiffRaff-Request-Id", requestId)
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headers.Set("Server", "Riff Raff")
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headers.Set("Cache-Control", fmt.Sprintf("public, max-age=%s", time.Hour/time.Second))
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}
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func getRemoteIP(req *http.Request) string {
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ip := req.RemoteAddr
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h := req.Header
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if realIpHeader := h.Get("X-Real-Ip"); realIpHeader != "" {
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ip = realIpHeader
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}
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if forwardIpHeader := h.Get("X-Forwarded-For"); forwardIpHeader != "" {
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ip = forwardIpHeader
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}
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return ip
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}
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