mirror of
https://github.com/genuinetools/reg.git
synced 2024-08-20 05:40:24 -04:00
251 lines
6.1 KiB
Go
251 lines
6.1 KiB
Go
package main
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import (
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"html/template"
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"net/http"
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"os"
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"path/filepath"
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"strings"
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"time"
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"github.com/gorilla/mux"
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"github.com/jessfraz/reg/clair"
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"github.com/jessfraz/reg/registry"
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"github.com/jessfraz/reg/utils"
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wordwrap "github.com/mitchellh/go-wordwrap"
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"github.com/sirupsen/logrus"
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"github.com/urfave/cli"
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)
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const (
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// VERSION is the binary version.
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VERSION = "v0.2.0"
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dockerConfigPath = ".docker/config.json"
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)
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var (
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updating = false
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r *registry.Registry
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cl *clair.Clair
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tmpl *template.Template
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)
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// preload initializes any global options and configuration
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// before the main or sub commands are run.
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func preload(c *cli.Context) (err error) {
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if c.GlobalBool("debug") {
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logrus.SetLevel(logrus.DebugLevel)
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}
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return nil
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}
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func main() {
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app := cli.NewApp()
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app.Name = "reg-server"
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app.Version = VERSION
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app.Author = "@jessfraz"
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app.Email = "no-reply@butts.com"
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app.Usage = "Docker registry v2 static UI server."
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app.Before = preload
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app.Flags = []cli.Flag{
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cli.BoolFlag{
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Name: "debug, d",
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Usage: "run in debug mode",
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},
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cli.StringFlag{
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Name: "username, u",
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Usage: "username for the registry",
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},
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cli.StringFlag{
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Name: "password, p",
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Usage: "password for the registry",
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},
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cli.StringFlag{
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Name: "registry, r",
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Usage: "URL to the private registry (ex. r.j3ss.co)",
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},
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cli.BoolFlag{
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Name: "insecure, k",
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Usage: "do not verify tls certificates of registry",
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},
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cli.BoolFlag{
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Name: "once, o",
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Usage: "generate an output once and then exit",
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},
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cli.StringFlag{
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Name: "port",
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Value: "8080",
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Usage: "port for server to run on",
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},
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cli.StringFlag{
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Name: "cert",
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Usage: "path to ssl cert",
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},
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cli.StringFlag{
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Name: "key",
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Usage: "path to ssl key",
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},
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cli.StringFlag{
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Name: "interval",
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Value: "1h",
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Usage: "interval to generate new index.html's at",
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},
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cli.StringFlag{
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Name: "clair",
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Usage: "url to clair instance",
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},
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}
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app.Action = func(c *cli.Context) error {
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auth, err := utils.GetAuthConfig(c.GlobalString("username"), c.GlobalString("password"), c.GlobalString("registry"))
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if err != nil {
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logrus.Fatal(err)
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}
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// create the registry client
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if c.GlobalBool("insecure") {
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r, err = registry.NewInsecure(auth, c.GlobalBool("debug"))
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if err != nil {
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logrus.Fatal(err)
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}
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} else {
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r, err = registry.New(auth, c.GlobalBool("debug"))
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if err != nil {
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logrus.Fatal(err)
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}
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}
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// create a clair instance if needed
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if c.GlobalString("clair") != "" {
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cl, err = clair.New(c.GlobalString("clair"), c.GlobalBool("debug"))
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if err != nil {
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logrus.Warnf("creation of clair failed: %v", err)
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}
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}
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// get the path to the static directory
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wd, err := os.Getwd()
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if err != nil {
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logrus.Fatal(err)
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}
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staticDir := filepath.Join(wd, "static")
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// create the template
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templateDir := filepath.Join(staticDir, "../templates")
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// make sure all the templates exist
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vulns := filepath.Join(templateDir, "vulns.html")
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if _, err := os.Stat(vulns); os.IsNotExist(err) {
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logrus.Fatalf("Template %s not found", vulns)
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}
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layout := filepath.Join(templateDir, "repositories.html")
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if _, err := os.Stat(layout); os.IsNotExist(err) {
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logrus.Fatalf("Template %s not found", layout)
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}
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tags := filepath.Join(templateDir, "tags.html")
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if _, err := os.Stat(tags); os.IsNotExist(err) {
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logrus.Fatalf("Template %s not found", tags)
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}
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funcMap := template.FuncMap{
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"trim": func(s string) string {
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return wordwrap.WrapString(s, 80)
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},
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"color": func(s string) string {
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switch s = strings.ToLower(s); s {
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case "high":
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return "danger"
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case "critical":
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return "danger"
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case "defcon1":
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return "danger"
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case "medium":
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return "warning"
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case "low":
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return "info"
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case "negligible":
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return "info"
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case "unknown":
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return "default"
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default:
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return "default"
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}
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},
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}
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tmpl = template.Must(template.New("").Funcs(funcMap).ParseGlob(templateDir + "/*.html"))
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rc := registryController{
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reg: r,
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cl: cl,
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}
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// create the initial index
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logrus.Info("creating initial static index")
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if err := rc.repositories(staticDir); err != nil {
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logrus.Fatalf("Error creating index: %v", err)
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}
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if c.GlobalBool("once") {
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logrus.Info("Output generated")
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return nil
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}
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// parse the duration
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dur, err := time.ParseDuration(c.String("interval"))
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if err != nil {
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logrus.Fatalf("parsing %s as duration failed: %v", c.String("interval"), err)
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}
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ticker := time.NewTicker(dur)
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go func() {
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// create more indexes every X minutes based off interval
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for range ticker.C {
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if !updating {
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logrus.Info("creating timer based static index")
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if err := rc.repositories(staticDir); err != nil {
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logrus.Warnf("creating static index failed: %v", err)
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updating = false
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}
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} else {
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logrus.Warnf("skipping timer based static index update for %s", c.String("interval"))
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}
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}
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}()
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// create mux server
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mux := mux.NewRouter()
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mux.UseEncodedPath()
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// static files handler
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staticHandler := http.FileServer(http.Dir(staticDir))
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mux.HandleFunc("/repo/{repo}/tags", rc.tagsHandler)
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mux.HandleFunc("/repo/{repo}/tags/", rc.tagsHandler)
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mux.HandleFunc("/repo/{repo}/tag/{tag}", rc.vulnerabilitiesHandler)
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mux.HandleFunc("/repo/{repo}/tag/{tag}/", rc.vulnerabilitiesHandler)
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mux.HandleFunc("/repo/{repo}/tag/{tag}/vulns", rc.vulnerabilitiesHandler)
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mux.HandleFunc("/repo/{repo}/tag/{tag}/vulns/", rc.vulnerabilitiesHandler)
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mux.HandleFunc("/repo/{repo}/tag/{tag}/vulns.json", rc.vulnerabilitiesHandler)
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mux.PathPrefix("/static/").Handler(http.StripPrefix("/static/", staticHandler))
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mux.Handle("/", staticHandler)
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// set up the server
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port := c.String("port")
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server := &http.Server{
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Addr: ":" + port,
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Handler: mux,
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}
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logrus.Infof("Starting server on port %q", port)
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if c.String("cert") != "" && c.String("key") != "" {
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logrus.Fatal(server.ListenAndServeTLS(c.String("cert"), c.String("key")))
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} else {
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logrus.Fatal(server.ListenAndServe())
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}
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return nil
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}
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app.Run(os.Args)
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}
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