2023-09-11 17:09:08 +00:00
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/*
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Copyright © 2023 Seednode <seednode@seedno.de>
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*/
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package cmd
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import (
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"errors"
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2023-09-11 17:09:08 +00:00
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"fmt"
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"io"
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"net/http"
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"strings"
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"time"
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"github.com/yosssi/gohtml"
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)
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2023-09-11 17:59:40 +00:00
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var (
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ErrInvalidFileCountRange = errors.New("maximum file count limit must be greater than or equal to minimum file count limit")
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ErrInvalidFileCountValue = errors.New("file count limits must be non-negative integers no greater than 2147483647")
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2023-09-26 09:03:52 +00:00
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ErrInvalidPort = errors.New("listen port must be an integer between 1 and 65535 inclusive")
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ErrNoMediaFound = errors.New("no supported media formats found which match all criteria")
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)
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func newErrorPage(title, body string) string {
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var htmlBody strings.Builder
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htmlBody.WriteString(`<!DOCTYPE html><html lang="en"><head>`)
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htmlBody.WriteString(faviconHtml)
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htmlBody.WriteString(`<style>html,body,a{display:block;height:100%;width:100%;text-decoration:none;color:inherit;cursor:auto;}</style>`)
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htmlBody.WriteString(fmt.Sprintf("<title>%s</title></head>", title))
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htmlBody.WriteString(fmt.Sprintf("<body><a href=\"/\">%s</a></body></html>", body))
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return htmlBody.String()
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}
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func notFound(w http.ResponseWriter, r *http.Request, path string) error {
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startTime := time.Now()
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2023-09-12 18:06:45 +00:00
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if Verbose {
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fmt.Printf("%s | ERROR: Unavailable file %s requested by %s\n",
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startTime.Format(logDate),
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path,
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r.RemoteAddr,
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)
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}
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w.WriteHeader(http.StatusNotFound)
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w.Header().Add("Content-Type", "text/html")
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_, err := io.WriteString(w, gohtml.Format(newErrorPage("Not Found", "404 Page not found")))
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if err != nil {
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return err
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}
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return nil
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}
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func serverError(w http.ResponseWriter, r *http.Request, i interface{}) {
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startTime := time.Now()
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if Verbose {
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fmt.Printf("%s | ERROR: Invalid request for %s from %s\n",
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startTime.Format(logDate),
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r.URL.Path,
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r.RemoteAddr,
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)
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}
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w.Header().Add("Content-Type", "text/html")
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io.WriteString(w, gohtml.Format(newErrorPage("Server Error", "An error has occurred. Please try again.")))
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}
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func serverErrorHandler() func(http.ResponseWriter, *http.Request, interface{}) {
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return serverError
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}
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