mirror of
https://github.com/greenpau/caddy-security.git
synced 2025-04-18 08:04:02 +03:00
85 lines
2.6 KiB
Go
85 lines
2.6 KiB
Go
// Copyright 2022 Paul Greenberg greenpau@outlook.com
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package security
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import (
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"github.com/caddyserver/caddy/v2"
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"github.com/caddyserver/caddy/v2/caddyconfig/caddyfile"
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"github.com/greenpau/go-authcrunch/pkg/acl"
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"github.com/greenpau/go-authcrunch/pkg/authz"
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cfgutil "github.com/greenpau/go-authcrunch/pkg/util/cfg"
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"strings"
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)
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func parseCaddyfileAuthorizationACLShortcuts(h *caddyfile.Dispenser, repl *caddy.Replacer, p *authz.PolicyConfig, rootDirective, k string, args []string) error {
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if len(args) == 0 {
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return h.Errf("%s directive has no value", rootDirective)
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}
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if len(args) < 2 {
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return h.Errf("%s directive %q is too short", rootDirective, strings.Join(args, " "))
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}
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rule := &acl.RuleConfiguration{}
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mode := "field"
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var cond []string
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var matchMethod, matchPath string
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var matchAlways bool
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for _, arg := range args {
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switch arg {
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case "with":
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mode = "method"
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continue
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case "to":
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mode = "path"
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continue
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}
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switch mode {
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case "field":
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if arg == "*" || arg == "any" {
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matchAlways = true
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}
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cond = append(cond, arg)
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case "method":
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matchMethod = strings.ToUpper(arg)
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mode = "path"
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case "path":
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matchPath = arg
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mode = "complete"
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default:
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return h.Errf("%s directive value of %q is unsupported", rootDirective, strings.Join(args, " "))
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}
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}
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if matchAlways {
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rule.Conditions = append(rule.Conditions, cfgutil.EncodeArgs([]string{"field", cond[0], "exists"}))
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} else {
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rule.Conditions = append(rule.Conditions, cfgutil.EncodeArgs(append([]string{"match"}, cond...)))
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}
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if matchMethod != "" {
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rule.Conditions = append(rule.Conditions, cfgutil.EncodeArgs([]string{"match", "method", matchMethod}))
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p.ValidateMethodPath = true
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}
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if matchPath != "" {
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rule.Conditions = append(rule.Conditions, cfgutil.EncodeArgs([]string{"partial", "match", "path", matchPath}))
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p.ValidateMethodPath = true
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}
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switch k {
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case "allow":
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rule.Action = cfgutil.EncodeArgs([]string{k, "log", "debug"})
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case "deny":
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rule.Action = cfgutil.EncodeArgs([]string{k, "stop", "log", "warn"})
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}
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p.AccessListRules = append(p.AccessListRules, rule)
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return nil
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}
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