118 lines
3.2 KiB
Go
118 lines
3.2 KiB
Go
package main
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import (
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"flag"
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"log"
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"net/http"
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"net/url"
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"os"
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"os/signal"
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"path"
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"strings"
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"syscall"
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)
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var baseURL string = "/"
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type ResponseWriterPrefix struct {
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real http.ResponseWriter
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prefix string
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}
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func (r ResponseWriterPrefix) Header() http.Header {
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return r.real.Header()
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}
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func (r ResponseWriterPrefix) WriteHeader(s int) {
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if v, exists := r.real.Header()["Location"]; exists && len(v) > 0 && !strings.HasPrefix(v[0], "https://") && !strings.HasPrefix(v[0], "http://") {
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r.real.Header().Set("Location", r.prefix+v[0])
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}
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r.real.WriteHeader(s)
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}
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func (r ResponseWriterPrefix) Write(z []byte) (int, error) {
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return r.real.Write(z)
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}
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func StripPrefix(prefix string, h http.Handler) http.Handler {
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if prefix == "" {
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return h
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}
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if prefix != "/" && r.URL.Path == "/" {
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http.Redirect(w, r, prefix+"/", http.StatusFound)
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} else if p := strings.TrimPrefix(r.URL.Path, prefix); len(p) < len(r.URL.Path) {
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r2 := new(http.Request)
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*r2 = *r
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r2.URL = new(url.URL)
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*r2.URL = *r.URL
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r2.URL.Path = p
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h.ServeHTTP(ResponseWriterPrefix{w, prefix}, r2)
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} else {
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h.ServeHTTP(w, r)
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}
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})
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}
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func main() {
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var bind = flag.String("bind", ":8081", "Bind port/socket")
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var dsn = flag.String("dsn", DSNGenerator(), "DSN to connect to the MySQL server")
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var dummyauth = flag.Bool("dummy-auth", false, "If set, allow any authentication credentials")
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flag.StringVar(&mainBanner, "banner-message", mainBanner, "Display a message to connected user, at the top of the screen")
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flag.StringVar(&DevProxy, "dev", DevProxy, "Proxify traffic to this host for static assets")
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flag.StringVar(&baseURL, "baseurl", baseURL, "URL prepended to each URL")
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flag.UintVar(¤tPromo, "current-promo", currentPromo, "Year of the current promotion")
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flag.UintVar(&OffsetQuestionTimer, "offset-question-timer", OffsetQuestionTimer, "Duration to wait before sending pause msg in direct mode (in milliseconds)")
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flag.BoolVar(&allowLocalAuth, "allow-local-auth", false, "Allow local authentication for all users (bypass OIDC).")
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flag.Var(&localAuthUsers, "local-auth-user", "Allow local authentication for this user (bypass OIDC).")
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flag.Parse()
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// Sanitize options
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var err error
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log.Println("Checking paths...")
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if err = sanitizeStaticOptions(); err != nil {
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log.Fatal(err)
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}
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if baseURL != "/" {
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baseURL = path.Clean(baseURL)
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} else {
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baseURL = ""
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}
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if dummyauth != nil && *dummyauth == true {
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LocalAuthFunc = dummyAuth
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}
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// Initialize contents
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log.Println("Opening database...")
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if err := DBInit(*dsn); err != nil {
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log.Fatal("Cannot open the database: ", err)
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}
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defer DBClose()
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log.Println("Creating database...")
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if err := DBCreate(); err != nil {
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log.Fatal("Cannot create database: ", err)
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}
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a := NewApp()
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go a.Start(*bind)
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initializeOIDC(a.router)
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initializeDroneOauth()
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// Prepare graceful shutdown
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interrupt := make(chan os.Signal, 1)
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signal.Notify(interrupt, os.Interrupt, syscall.SIGTERM)
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// Wait shutdown signal
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<-interrupt
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log.Print("The service is shutting down...")
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a.Stop()
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if gitlabToken != nil {
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saveOAuth2Token(OAUTH_GITLAB_FILE, gitlabToken())
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}
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log.Println("done")
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}
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