init
This commit is contained in:
commit
0f70db9ead
3
.gitignore
vendored
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3
.gitignore
vendored
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result
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pots
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.direnv
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26
flake.lock
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26
flake.lock
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{
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"nodes": {
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"nixpkgs": {
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"locked": {
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"lastModified": 1673226411,
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"narHash": "sha256-b6cGb5Ln7Zy80YO66+cbTyGdjZKtkoqB/iIIhDX9gRA=",
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"owner": "NixOS",
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"repo": "nixpkgs",
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"rev": "aa1d74709f5dac623adb4d48fdfb27cc2c92a4d4",
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"type": "github"
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},
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"original": {
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"id": "nixpkgs",
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"ref": "nixos-unstable",
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"type": "indirect"
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}
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},
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"root": {
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"inputs": {
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"nixpkgs": "nixpkgs"
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}
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}
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},
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"root": "root",
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"version": 7
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}
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38
flake.nix
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38
flake.nix
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{
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description = "pots: a tailscale pushover webhooker";
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inputs.nixpkgs.url = "nixpkgs/nixos-unstable";
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outputs = { self, nixpkgs }:
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let
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supportedSystems =
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[ "x86_64-linux" "x86_64-darwin" "aarch64-linux" "aarch64-darwin" ];
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forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
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nixpkgsFor = forAllSystems (system: import nixpkgs { inherit system; });
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in {
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packages = forAllSystems (system:
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let pkgs = nixpkgsFor.${system};
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in {
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pots = pkgs.buildGoModule {
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pname = "pots";
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version = "v0.0.1";
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src = ./.;
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vendorHash = "sha256-pQpattmS9VmO3ZIQUFn66az8GSmB4IvYhTTCFn6SUmo=";
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};
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});
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defaultPackage = forAllSystems (system: self.packages.${system}.pots);
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devShells = forAllSystems (system:
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let pkgs = nixpkgsFor.${system};
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in {
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default = pkgs.mkShell {
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shellHook = ''
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PS1='\u@\h:\@; '
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echo "Go `${pkgs.go}/bin/go version`"
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'';
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nativeBuildInputs = with pkgs; [ git go gopls go-tools jo jq ];
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};
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});
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};
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}
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155
main.go
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155
main.go
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package main
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import (
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"bytes"
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"encoding/json"
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"flag"
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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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"path"
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"strings"
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"time"
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)
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type LogEntry struct {
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Timestamp string `json:"timestamp"`
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Version int `json:"version"`
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Type string `json:"type"`
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Tailnet string `json:"tailnet"`
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Message string `json:"message"`
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Data Data `json:"data"`
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}
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type Data struct {
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NodeID string `json:"nodeID,omitempty"`
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DeviceName string `json:"deviceName,omitempty"`
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ManagedBy string `json:"managedBy,omitempty"`
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Actor string `json:"actor,omitempty"`
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URL string `json:"url,omitempty"`
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}
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type TSLogs []LogEntry
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// Push represents a message sent to the Pushover api
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type Push struct {
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Token string `json:"token"`
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User string `json:"user"`
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Message string `json:"message"`
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Device string `json:"device,omitempty"`
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Title string `json:"title"`
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URL string `json:"url"`
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URLTitle string `json:"url_title,omitempty"`
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Priority int `json:"priority,omitempty"`
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Sound string `json:"sound,omitempty"`
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Timestamp time.Time `json:"timestamp"`
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}
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// PushResponse is a response from the Pushover api
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type PushResponse struct {
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Status int `json:"status,omitempty"`
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Request string `json:"request,omitempty"`
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User string `json:"user,omitempty"`
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Errors []string `json:"errors,omitempty"`
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}
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type apiHandler struct{}
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var (
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appToken = os.Getenv("PUSHOVER_TOKEN")
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userToken = os.Getenv("PUSHOVER_USER")
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potsToken = os.Getenv("POTS_TOKEN")
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client = *http.DefaultClient
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)
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func sendPush(p *Push) error {
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buf := new(bytes.Buffer)
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if err := json.NewEncoder(buf).Encode(p); err != nil {
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return err
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}
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req, err := http.NewRequest("POST", "https://api.pushover.net/1/messages.json", buf)
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if err != nil {
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return err
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}
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req.Header.Set("Content-Type", "application/json")
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res, err := client.Do(req)
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if err != nil {
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return err
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}
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defer res.Body.Close()
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var resBody PushResponse
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if err = json.NewDecoder(res.Body).Decode(&resBody); err != nil {
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return err
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}
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if len(resBody.Errors) > 0 {
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return fmt.Errorf("%s", strings.Join(resBody.Errors, ", "))
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}
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return nil
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}
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func (apiHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
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if req.Method != "POST" {
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http.NotFound(w, req)
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return
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}
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token := path.Base(req.URL.Path)
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if token != potsToken {
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http.NotFound(w, req)
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return
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}
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decoder := json.NewDecoder(req.Body)
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var tsLogs TSLogs
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err := decoder.Decode(&tsLogs)
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if err != nil {
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http.Error(w, "invalid data", http.StatusBadRequest)
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return
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}
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for _, t := range tsLogs {
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var push = &Push{
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Token: appToken,
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User: userToken,
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Timestamp: time.Now(),
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Title: t.Message,
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Message: t.Type,
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URL: t.Data.URL,
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}
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err := sendPush(push)
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if err != nil {
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log.Println(err)
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}
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}
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}
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func main() {
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listen := flag.String("listen", ":8888", "listen string")
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flag.Parse()
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mux := http.NewServeMux()
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mux.Handle("/api/", apiHandler{})
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mux.HandleFunc("/", func(w http.ResponseWriter, req *http.Request) {
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log.Println(req.URL.Path)
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if req.URL.Path != "/" {
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http.NotFound(w, req)
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return
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}
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fmt.Fprintf(w, `<a href="https://suah.dev/pots">suah.dev/pots</a>`)
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})
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s := &http.Server{
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Addr: *listen,
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Handler: mux,
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}
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log.Fatal(s.ListenAndServe())
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}
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