WIP: Implement remote control of the button from the server
This will not be developed further as the server and the button are not on the same local network anymore.
This commit is contained in:
Lomanic
parent
b5fa938a85
commit
11e9007d86
146
main.go
146
main.go
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@ -4,9 +4,11 @@ import (
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"encoding/json"
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"fmt"
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"log"
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"net"
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"net/http"
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"os"
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"path/filepath"
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"regexp"
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"strconv"
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"strings"
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"time"
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@ -36,7 +38,8 @@ type Config struct {
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const (
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dbPath = "./.data/data.json"
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defaultClosingTimeout = 5 * time.Minute
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defaultClosingTimeout = 1 * time.Minute
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espMaxBlinkDuration = 5 * time.Minute
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)
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var (
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@ -55,6 +58,8 @@ var (
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}
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db *os.File
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matrix *gomatrix.Client
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espIP string
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espBlinkDeadline = time.Now().Add(-espMaxBlinkDuration)
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)
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func init() {
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@ -208,6 +213,21 @@ func statusHandler(w http.ResponseWriter, r *http.Request) {
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http.Error(w, "Authentication required", 401)
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return
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}
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// handle being behind proxy https://stackoverflow.com/a/33301173
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espIP, _, _ = net.SplitHostPort(r.RemoteAddr)
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for _, ifaceIP := range ifacesIPs() {
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if espIP == ifaceIP {
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for _, header := range []string{"X-Real-Ip", "X-Forwarded-For"} {
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if r.Header.Get(header) != "" {
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espIP = strings.Split(r.Header.Get(header), ", ")[0]
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}
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}
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}
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}
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fmt.Printf("espIP %s ", espIP)
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q := r.URL.Query()
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fuzIsOpen := q.Get("fuzisopen") == "1"
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fmt.Printf("button pushed: %v\n", fuzIsOpen)
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@ -239,11 +259,62 @@ func statusHandler(w http.ResponseWriter, r *http.Request) {
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}
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}
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// https://github.com/qbit/mcchunkie/blob/53eb25ae3394f326e24782f273584e3e6a4c0e8c/plugins/plugins.go#L52-L66
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// NameRE matches the "friendly" name. This is typically used in tab
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// completion.
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var nameRE = regexp.MustCompile(`@(.+):.+$`)
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// ToMe returns true of the message pertains to the bot
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func toMe(user, message string) bool {
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u := nameRE.ReplaceAllString(user, "$1")
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return strings.Contains(message, u)
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}
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// RemoveName removes the friendly name from a given message
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func removeName(user, message string) string {
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n := nameRE.ReplaceAllString(user, "$1")
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return strings.ReplaceAll(message, n+": ", "")
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}
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func syncMatrix() {
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syncer := matrix.Syncer.(*gomatrix.DefaultSyncer)
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syncer.OnEventType("m.room.message", func(ev *gomatrix.Event) {
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if ev.Sender != matrix.UserID {
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matrix.MarkRead(ev.RoomID, ev.ID)
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if body, ok := ev.Body(); ok && toMe(config.MATRIXUSERNAME, body) {
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cmd := strings.Fields(removeName(config.MATRIXUSERNAME, body))
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if len(cmd) >= 2 {
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switch cmd[0] {
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case "blink":
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switch cmd[1] {
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case "on":
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if status.FuzIsOpen {
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matrix.SendFormattedText(config.MATRIXROOM, fmt.Sprintf("%s: let's make it **blink**! (%s max)", ev.Sender, espMaxBlinkDuration), fmt.Sprintf("%s: let's make it <b>blink</b>! (%s max)", ev.Sender, espMaxBlinkDuration))
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espBlinkDeadline = time.Now().Add(espMaxBlinkDuration)
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} else {
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matrix.SendText(config.MATRIXROOM, fmt.Sprintf("%s: can't do that, space is closed", ev.Sender))
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}
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case "off":
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if status.FuzIsOpen {
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matrix.SendFormattedText(config.MATRIXROOM, fmt.Sprintf("%s: OK it's time to **STOP**!", ev.Sender), fmt.Sprintf("%s: OK it's time to <b>STOP</b>!", ev.Sender))
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espBlinkDeadline = time.Now()
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} else {
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matrix.SendText(config.MATRIXROOM, fmt.Sprintf("%s: can't do that, space is closed", ev.Sender))
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}
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case "status":
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if time.Now().Before(espBlinkDeadline) {
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matrix.SendText(config.MATRIXROOM, fmt.Sprintf("%s: yes it's still blinking!", ev.Sender))
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} else {
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matrix.SendFormattedText(config.MATRIXROOM, fmt.Sprintf("%s: it's **not** blinking", ev.Sender), fmt.Sprintf("%s: it's <b>not</b> blinking", ev.Sender))
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}
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default:
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matrix.SendFormattedText(config.MATRIXROOM, fmt.Sprintf("%s: command is `blink (status|on|off)`", ev.Sender), fmt.Sprintf("%s: command is <code>blink (status|on|off)</code>", ev.Sender))
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}
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return
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}
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}
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matrix.SendText(config.MATRIXROOM, fmt.Sprintf("%s: huh?", ev.Sender))
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}
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}
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})
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@ -263,10 +334,83 @@ func syncMatrix() {
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}
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}
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func espBlinkLoop() {
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client := &http.Client{}
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for {
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time.Sleep(time.Second)
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if espIP == "" {
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continue
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}
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if time.Now().Before(espBlinkDeadline) {
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// http.get request to espIP to have it light up
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req, err := http.NewRequest(http.MethodGet, fmt.Sprintf("http://%s/admin?enablerotatinglight", espIP), nil)
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if err != nil {
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fmt.Println("error creating request in espBlinkLoop:", err)
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continue
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}
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req.SetBasicAuth(config.ESPUSERNAME, config.ESPPASSWORD)
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fmt.Print("admin?enablerotatinglight ")
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fmt.Println(client.Do(req))
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time.Sleep(7 * time.Second)
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// http.get request to espIP to shut down light
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req, err = http.NewRequest(http.MethodGet, fmt.Sprintf("http://%s/admin?disablerotatinglight", espIP), nil)
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if err != nil {
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fmt.Println("error creating request in espBlinkLoop:", err)
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continue
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}
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req.SetBasicAuth(config.ESPUSERNAME, config.ESPPASSWORD)
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fmt.Print("admin?disablerotatinglight ")
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fmt.Println(client.Do(req))
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time.Sleep(3 * time.Second)
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}
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}
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}
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func ifacesIPs() []string { // from https://stackoverflow.com/a/23558495 linked playground
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var ips []string
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ifaces, err := net.Interfaces()
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if err != nil {
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return ips
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}
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for _, iface := range ifaces {
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if iface.Flags&net.FlagUp == 0 {
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continue // interface down
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}
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/*if iface.Flags&net.FlagLoopback != 0 {
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continue // loopback interface
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}*/
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addrs, err := iface.Addrs()
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if err != nil {
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return ips
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}
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for _, addr := range addrs {
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var ip net.IP
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switch v := addr.(type) {
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case *net.IPNet:
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ip = v.IP
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case *net.IPAddr:
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ip = v.IP
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}
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if ip == nil || ip.IsLoopback() {
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continue
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}
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ip = ip.To4()
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if ip == nil {
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continue // not an ipv4 address
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}
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ips = append(ips, ip.String())
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}
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}
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return ips
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}
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func main() {
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fmt.Println(ifacesIPs())
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go updateUptime()
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go checkClosure()
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go syncMatrix()
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go espBlinkLoop()
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http.HandleFunc("/", rootHandler)
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http.HandleFunc("/api", apiHandler)
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http.HandleFunc("/img", imgHandler)
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