mirror of
https://github.com/beego/bee.git
synced 2024-11-14 22:10:55 +00:00
105 lines
2.8 KiB
Go
105 lines
2.8 KiB
Go
// Copyright 2016 bee authors. All Rights Reserved.
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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 main
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import (
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"bytes"
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"go/ast"
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"os"
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"path"
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"strings"
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"text/template"
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"unicode"
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)
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type Policy struct {
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Method string
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Path string
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Policies []string
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}
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var (
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policyList = make(map[string]map[string]*Policy) //controllername -> method -> policy
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policyPathList = make(map[string]map[string]*Policy) //path -> method -> policy
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)
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func controllerFindPolicies(comments *ast.CommentGroup, controllerName, pkgpath string) {
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if comments == nil || comments.List == nil {
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return
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}
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for _, c := range comments.List {
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t := strings.TrimSpace(strings.TrimLeft(c.Text, "//"))
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if strings.HasPrefix(t, "@policy") {
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policy := Policy{
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Method: "*",
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}
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policyFields := strings.FieldsFunc(t[len("@policy"):], func(c rune) bool { return !unicode.IsLetter(c) && !unicode.IsNumber(c) && c != '_' })
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for _, val := range policyFields {
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policy.Policies = append(policy.Policies, val)
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}
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policyMethods := policyList[pkgpath+controllerName]
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if policyMethods == nil {
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policyMethods = make(map[string]*Policy)
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policyList[pkgpath+controllerName] = policyMethods
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}
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if pm := policyMethods[policy.Method]; pm != nil {
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for _, curPolicy := range policy.Policies {
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pm.Policies = append(pm.Policies, curPolicy)
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}
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} else {
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policyMethods[policy.Method] = &policy
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}
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}
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}
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}
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func generatePolicies(curpath string) {
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fn := template.FuncMap{
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"join": strings.Join,
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}
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tmpl, err := template.New("policy template").Funcs(fn).Parse(policyTpl)
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if err != nil {
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panic("Can't parse policy template: " + err.Error())
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}
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var buf bytes.Buffer
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err = tmpl.Execute(&buf, policyPathList)
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if err != nil {
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panic("Can't execute policy template: " + err.Error())
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}
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policyFile, err := os.Create(path.Join(curpath, "policies", "policies_autogen.go"))
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if err != nil {
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panic(err)
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}
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defer policyFile.Close()
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_, err = policyFile.Write(buf.Bytes())
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if err != nil {
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panic(err)
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}
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}
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var policyTpl = `// This file was auto-generated by bee tools, do not change it!
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package policies
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import "github.com/astaxie/beego"
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func init() {
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{{ range $path, $policyList := . }}{{ range $, $policy := $policyList }} beego.Policy("{{$path}}{{$policy.Path}}", "{{$policy.Method}}", {{ join $policy.Policies ", " }})
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{{ end }}{{ end }}
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}
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`
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