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package server
import (
"embed"
"io/fs"
"io/ioutil"
"net"
"net/http"
"os"
"runtime"
"strconv"
"strings"
duoapi "github.com/duosecurity/duo_api_golang"
"github.com/fasthttp/router"
"github.com/valyala/fasthttp"
"github.com/valyala/fasthttp/expvarhandler"
"github.com/valyala/fasthttp/fasthttpadaptor"
"github.com/valyala/fasthttp/pprofhandler"
"github.com/authelia/authelia/internal/configuration/schema"
"github.com/authelia/authelia/internal/duo"
"github.com/authelia/authelia/internal/handlers"
"github.com/authelia/authelia/internal/logging"
"github.com/authelia/authelia/internal/middlewares"
)
//go:embed public_html
var assets embed.FS
func registerRoutes(configuration schema.Configuration, providers middlewares.Providers) fasthttp.RequestHandler {
autheliaMiddleware := middlewares.AutheliaMiddleware(configuration, providers)
rememberMe := strconv.FormatBool(configuration.Session.RememberMeDuration != "0")
resetPassword := strconv.FormatBool(!configuration.AuthenticationBackend.DisableResetPassword)
embeddedPath, _ := fs.Sub(assets, "public_html")
embeddedFS := fasthttpadaptor.NewFastHTTPHandler(http.FileServer(http.FS(embeddedPath)))
rootFiles := []string{"favicon.ico", "manifest.json", "robots.txt"}
serveIndexHandler := ServeTemplatedFile(embeddedAssets, indexFile, rememberMe, resetPassword, configuration.Session.Name, configuration.Theme)
serveSwaggerHandler := ServeTemplatedFile(swaggerAssets, indexFile, rememberMe, resetPassword, configuration.Session.Name, configuration.Theme)
serveSwaggerAPIHandler := ServeTemplatedFile(swaggerAssets, apiFile, rememberMe, resetPassword, configuration.Session.Name, configuration.Theme)
r := router.New()
r.GET("/", serveIndexHandler)
r.OPTIONS("/", autheliaMiddleware(handleOPTIONS))
r.GET("/api/", serveSwaggerHandler)
r.GET("/api/"+apiFile, serveSwaggerAPIHandler)
for _, f := range rootFiles {
r.GET("/"+f, embeddedFS)
}
r.GET("/static/{filepath:*}", embeddedFS)
r.ANY("/api/{filepath:*}", embeddedFS)
r.GET("/api/health", autheliaMiddleware(handlers.HealthGet))
r.GET("/api/state", autheliaMiddleware(handlers.StateGet))
r.GET("/api/configuration", autheliaMiddleware(
middlewares.RequireFirstFactor(handlers.ConfigurationGet)))
r.GET("/api/verify", autheliaMiddleware(handlers.VerifyGet(configuration.AuthenticationBackend)))
r.HEAD("/api/verify", autheliaMiddleware(handlers.VerifyGet(configuration.AuthenticationBackend)))
r.POST("/api/checks/safe-redirection", autheliaMiddleware(handlers.CheckSafeRedirection))
r.POST("/api/firstfactor", autheliaMiddleware(handlers.FirstFactorPost(1000, true)))
r.POST("/api/logout", autheliaMiddleware(handlers.LogoutPost))
// Only register endpoints if forgot password is not disabled.
if !configuration.AuthenticationBackend.DisableResetPassword {
// Password reset related endpoints.
r.POST("/api/reset-password/identity/start", autheliaMiddleware(
handlers.ResetPasswordIdentityStart))
r.POST("/api/reset-password/identity/finish", autheliaMiddleware(
handlers.ResetPasswordIdentityFinish))
r.POST("/api/reset-password", autheliaMiddleware(
handlers.ResetPasswordPost))
}
// Information about the user.
r.GET("/api/user/info", autheliaMiddleware(
middlewares.RequireFirstFactor(handlers.UserInfoGet)))
r.POST("/api/user/info/2fa_method", autheliaMiddleware(
middlewares.RequireFirstFactor(handlers.MethodPreferencePost)))
// TOTP related endpoints.
r.POST("/api/secondfactor/totp/identity/start", autheliaMiddleware(
middlewares.RequireFirstFactor(handlers.SecondFactorTOTPIdentityStart)))
r.POST("/api/secondfactor/totp/identity/finish", autheliaMiddleware(
middlewares.RequireFirstFactor(handlers.SecondFactorTOTPIdentityFinish)))
r.POST("/api/secondfactor/totp", autheliaMiddleware(
middlewares.RequireFirstFactor(handlers.SecondFactorTOTPPost(&handlers.TOTPVerifierImpl{
Period: uint(configuration.TOTP.Period),
Skew: uint(*configuration.TOTP.Skew),
}))))
// U2F related endpoints.
r.POST("/api/secondfactor/u2f/identity/start", autheliaMiddleware(
middlewares.RequireFirstFactor(handlers.SecondFactorU2FIdentityStart)))
r.POST("/api/secondfactor/u2f/identity/finish", autheliaMiddleware(
middlewares.RequireFirstFactor(handlers.SecondFactorU2FIdentityFinish)))
r.POST("/api/secondfactor/u2f/register", autheliaMiddleware(
middlewares.RequireFirstFactor(handlers.SecondFactorU2FRegister)))
r.POST("/api/secondfactor/u2f/sign_request", autheliaMiddleware(
middlewares.RequireFirstFactor(handlers.SecondFactorU2FSignGet)))
r.POST("/api/secondfactor/u2f/sign", autheliaMiddleware(
middlewares.RequireFirstFactor(handlers.SecondFactorU2FSignPost(&handlers.U2FVerifierImpl{}))))
// Configure DUO api endpoint only if configuration exists.
if configuration.DuoAPI != nil {
var duoAPI duo.API
if os.Getenv("ENVIRONMENT") == dev {
duoAPI = duo.NewDuoAPI(duoapi.NewDuoApi(
configuration.DuoAPI.IntegrationKey,
configuration.DuoAPI.SecretKey,
configuration.DuoAPI.Hostname, "", duoapi.SetInsecure()))
} else {
duoAPI = duo.NewDuoAPI(duoapi.NewDuoApi(
configuration.DuoAPI.IntegrationKey,
configuration.DuoAPI.SecretKey,
configuration.DuoAPI.Hostname, ""))
}
r.POST("/api/secondfactor/duo", autheliaMiddleware(
middlewares.RequireFirstFactor(handlers.SecondFactorDuoPost(duoAPI))))
}
if configuration.Server.EnablePprof {
r.GET("/debug/pprof/{name?}", pprofhandler.PprofHandler)
}
if configuration.Server.EnableExpvars {
r.GET("/debug/vars", expvarhandler.ExpvarHandler)
}
r.NotFound = serveIndexHandler
handler := middlewares.LogRequestMiddleware(r.Handler)
if configuration.Server.Path != "" {
handler = middlewares.StripPathMiddleware(configuration.Server.Path, handler)
}
if providers.OpenIDConnect.Fosite != nil {
handlers.RegisterOIDC(r, autheliaMiddleware)
}
return handler
}
// Start Authelia's internal webserver with the given configuration and providers.
func Start(configuration schema.Configuration, providers middlewares.Providers) {
logger := logging.Logger()
handler := registerRoutes(configuration, providers)
server := &fasthttp.Server{
ErrorHandler: autheliaErrorHandler,
Handler: handler,
NoDefaultServerHeader: true,
ReadBufferSize: configuration.Server.ReadBufferSize,
WriteBufferSize: configuration.Server.WriteBufferSize,
}
addrPattern := net.JoinHostPort(configuration.Server.Host, strconv.Itoa(configuration.Server.Port))
listener, err := net.Listen("tcp", addrPattern)
if err != nil {
logger.Fatalf("Error initializing listener: %s", err)
}
// TODO(clems4ever): move that piece to a more related location, probably in the configuration package.
if configuration.AuthenticationBackend.File != nil && configuration.AuthenticationBackend.File.Password.Algorithm == "argon2id" && runtime.GOOS == "linux" {
f, err := ioutil.ReadFile("/sys/fs/cgroup/memory/memory.limit_in_bytes")
if err != nil {
logger.Warnf("Error reading hosts memory limit: %s", err)
} else {
m, _ := strconv.Atoi(strings.TrimSuffix(string(f), "\n"))
hostMem := float64(m) / 1024 / 1024 / 1024
argonMem := float64(configuration.AuthenticationBackend.File.Password.Memory) / 1024
if hostMem/argonMem <= 2 {
logger.Warnf("Authelia's password hashing memory parameter is set to: %gGB this is %g%% of the available memory: %gGB", argonMem, argonMem/hostMem*100, hostMem)
logger.Warn("Please read https://www.authelia.com/docs/configuration/authentication/file.html#memory and tune your deployment")
}
}
}
if configuration.Server.TLS.Certificate != "" && configuration.Server.TLS.Key != "" {
if err = writeHealthCheckEnv(configuration.Server.DisableHealthcheck, "https", configuration.Server.Host, configuration.Server.Path, configuration.Server.Port); err != nil {
logger.Fatalf("Could not configure healthcheck: %v", err)
}
if configuration.Server.Path == "" {
logger.Infof("Listening for TLS connections on '%s' path '/'", addrPattern)
} else {
logger.Infof("Listening for TLS connections on '%s' paths '/' and '%s'", addrPattern, configuration.Server.Path)
}
logger.Fatal(server.ServeTLS(listener, configuration.Server.TLS.Certificate, configuration.Server.TLS.Key))
} else {
if err = writeHealthCheckEnv(configuration.Server.DisableHealthcheck, "http", configuration.Server.Host, configuration.Server.Path, configuration.Server.Port); err != nil {
logger.Fatalf("Could not configure healthcheck: %v", err)
}
if configuration.Server.Path == "" {
logger.Infof("Listening for non-TLS connections on '%s' path '/'", addrPattern)
} else {
logger.Infof("Listening for non-TLS connections on '%s' paths '/' and '%s'", addrPattern, configuration.Server.Path)
}
logger.Fatal(server.Serve(listener))
}
}
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