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mirror of https://github.com/greenpau/caddy-security.git synced 2025-04-18 08:04:02 +03:00
caddy-security/caddyfile_plugin_authz.go
Paul Greenberg 44a1711ec0 upgrade to github.com/greenpau/go-authcrunc v1.0.20
More info:
* split backends to identity stores and providers
* oauth: use first available key to validate token when kid not found (greenpau/caddy-security#77)
2022-03-30 18:39:01 -04:00

93 lines
2.5 KiB
Go

// Copyright 2022 Paul Greenberg greenpau@outlook.com
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package security
import (
"github.com/caddyserver/caddy/v2"
"github.com/caddyserver/caddy/v2/caddyconfig"
"github.com/caddyserver/caddy/v2/caddyconfig/httpcaddyfile"
"github.com/caddyserver/caddy/v2/modules/caddyhttp"
"github.com/caddyserver/caddy/v2/modules/caddyhttp/caddyauth"
"github.com/greenpau/caddy-security/pkg/util"
)
func init() {
httpcaddyfile.RegisterHandlerDirective("authorize", getMiddlewareFromParseAuthzPluginCaddyfile)
}
func getMiddlewareFromParseAuthzPluginCaddyfile(h httpcaddyfile.Helper) (caddyhttp.MiddlewareHandler, error) {
m, err := parseAuthzPluginCaddyfile(h)
if err != nil {
return nil, err
}
return caddyauth.Authentication{
ProvidersRaw: caddy.ModuleMap{
authzPluginName: caddyconfig.JSON(
AuthzMiddleware{
RouteMatcher: m["path"],
GatekeeperName: m["gatekeeper_name"],
},
nil,
),
},
}, nil
}
// parseAuthzPluginCaddyfile parses authorization plugin configuration.
//
// Syntax:
//
// authorize [<matcher>] with <policy_name>
//
// Examples:
//
// authorize with mypolicy
// authorize * with mypolicy
// authorize /* with mypolicy
// authorize /app* with mypolicy
//
func parseAuthzPluginCaddyfile(h httpcaddyfile.Helper) (map[string]string, error) {
var i int
repl := caddy.NewReplacer()
args := util.FindReplaceAll(repl, h.RemainingArgs())
if args[0] != "authorize" {
return nil, h.Errf("directive should start with authorize: %s", args)
}
m := make(map[string]string)
switch len(args) {
case 3:
i = 1
m["path"] = "*"
m["gatekeeper_name"] = args[2]
case 4:
i = 2
m["path"] = args[1]
m["gatekeeper_name"] = args[3]
default:
return nil, h.Errf("malformed directive: %s", args)
}
if args[0] != "authorize" {
return nil, h.Errf("directive should start with authorize: %s", args)
}
if args[i] != "with" {
return nil, h.Errf("directive must contain %q keyword: %s", "with", args)
}
return m, nil
}