authelia/internal/handlers/response.go
James Elliott 4dce8f9496
perf(authorizer): preload access control lists (#1640)
* adjust session refresh to always occur (for disabled users)

* feat: adds filtering option for Request Method in ACL's

* simplify flow of internal/authorization/authorizer.go's methods

* implement query string checking

* utilize authorizer.Object fully

* make matchers uniform

* add tests

* add missing request methods

* add frontend enhancements to handle request method

* add request method to 1FA Handler Suite

* add internal ACL representations (preparsing)

* expand on access_control next

* add docs

* remove unnecessary slice for network names and instead just use a plain string

* add warning for ineffectual bypass policy (due to subjects)

* add user/group wildcard support

* fix(authorization): allow subject rules to match anonymous users

* feat(api): add new params

* docs(api): wording adjustments

* test: add request method into testing and proxy docs

* test: add several checks and refactor schema validation for ACL

* test: add integration test for methods acl

* refactor: apply suggestions from code review

* docs(authorization): update description
2021-03-05 15:18:31 +11:00

114 lines
3.2 KiB
Go

package handlers
import (
"fmt"
"net/url"
"github.com/valyala/fasthttp"
"github.com/authelia/authelia/internal/authorization"
"github.com/authelia/authelia/internal/middlewares"
"github.com/authelia/authelia/internal/utils"
)
// Handle1FAResponse handle the redirection upon 1FA authentication.
func Handle1FAResponse(ctx *middlewares.AutheliaCtx, targetURI, requestMethod string, username string, groups []string) {
if targetURI == "" {
if !ctx.Providers.Authorizer.IsSecondFactorEnabled() && ctx.Configuration.DefaultRedirectionURL != "" {
err := ctx.SetJSONBody(redirectResponse{Redirect: ctx.Configuration.DefaultRedirectionURL})
if err != nil {
ctx.Logger.Errorf("Unable to set default redirection URL in body: %s", err)
}
} else {
ctx.ReplyOK()
}
return
}
targetURL, err := url.ParseRequestURI(targetURI)
if err != nil {
ctx.Error(fmt.Errorf("Unable to parse target URL %s: %s", targetURI, err), authenticationFailedMessage)
return
}
requiredLevel := ctx.Providers.Authorizer.GetRequiredLevel(
authorization.Subject{
Username: username,
Groups: groups,
IP: ctx.RemoteIP(),
},
authorization.NewObject(targetURL, requestMethod))
ctx.Logger.Debugf("Required level for the URL %s is %d", targetURI, requiredLevel)
if requiredLevel == authorization.TwoFactor {
ctx.Logger.Warnf("%s requires 2FA, cannot be redirected yet", targetURI)
ctx.ReplyOK()
return
}
safeRedirection := utils.IsRedirectionSafe(*targetURL, ctx.Configuration.Session.Domain)
if !safeRedirection {
if !ctx.Providers.Authorizer.IsSecondFactorEnabled() && ctx.Configuration.DefaultRedirectionURL != "" {
err := ctx.SetJSONBody(redirectResponse{Redirect: ctx.Configuration.DefaultRedirectionURL})
if err != nil {
ctx.Logger.Errorf("Unable to set default redirection URL in body: %s", err)
}
} else {
ctx.ReplyOK()
}
return
}
ctx.Logger.Debugf("Redirection URL %s is safe", targetURI)
response := redirectResponse{Redirect: targetURI}
err = ctx.SetJSONBody(response)
if err != nil {
ctx.Logger.Errorf("Unable to set redirection URL in body: %s", err)
}
}
// Handle2FAResponse handle the redirection upon 2FA authentication.
func Handle2FAResponse(ctx *middlewares.AutheliaCtx, targetURI string) {
if targetURI == "" {
if ctx.Configuration.DefaultRedirectionURL != "" {
err := ctx.SetJSONBody(redirectResponse{Redirect: ctx.Configuration.DefaultRedirectionURL})
if err != nil {
ctx.Logger.Errorf("Unable to set default redirection URL in body: %s", err)
}
} else {
ctx.ReplyOK()
}
return
}
targetURL, err := url.ParseRequestURI(targetURI)
if err != nil {
ctx.Error(fmt.Errorf("Unable to parse target URL: %s", err), mfaValidationFailedMessage)
return
}
if targetURL != nil && utils.IsRedirectionSafe(*targetURL, ctx.Configuration.Session.Domain) {
err := ctx.SetJSONBody(redirectResponse{Redirect: targetURI})
if err != nil {
ctx.Logger.Errorf("Unable to set redirection URL in body: %s", err)
}
} else {
ctx.ReplyOK()
}
}
// handleAuthenticationUnauthorized provides harmonized response codes for 1FA.
func handleAuthenticationUnauthorized(ctx *middlewares.AutheliaCtx, err error, message string) {
ctx.SetStatusCode(fasthttp.StatusUnauthorized)
ctx.Error(err, message)
}