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92 lines
2.1 KiB
92 lines
2.1 KiB
package bootstrap
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import (
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"encoding/json"
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"github.com/HFO4/cloudreve/pkg/conf"
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"github.com/HFO4/cloudreve/pkg/util"
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_ "github.com/HFO4/cloudreve/statik"
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"github.com/gin-contrib/static"
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"github.com/rakyll/statik/fs"
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"io/ioutil"
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"net/http"
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)
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type GinFS struct {
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FS http.FileSystem
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}
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type staticVersion struct {
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Name string `json:"name"`
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Version string `json:"version"`
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}
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// StaticFS 内置静态文件资源
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var StaticFS static.ServeFileSystem
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// Open 打开文件
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func (b *GinFS) Open(name string) (http.File, error) {
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return b.FS.Open(name)
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}
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// Exists 文件是否存在
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func (b *GinFS) Exists(prefix string, filepath string) bool {
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if _, err := b.FS.Open(filepath); err != nil {
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return false
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}
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return true
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}
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// InitStatic 初始化静态资源文件
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func InitStatic() {
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var err error
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if util.Exists(util.RelativePath("statics")) {
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util.Log().Info("检测到 statics 目录存在，将使用此目录下的静态资源文件")
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StaticFS = static.LocalFile(util.RelativePath("statics"), false)
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// 检查静态资源的版本
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f, err := StaticFS.Open("version.json")
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if err != nil {
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util.Log().Warning("静态资源版本标识文件不存在，请重新构建或删除 statics 目录")
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return
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}
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b, err := ioutil.ReadAll(f)
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if err != nil {
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util.Log().Warning("无法读取静态资源文件版本，请重新构建或删除 statics 目录")
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return
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}
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var v staticVersion
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if err := json.Unmarshal(b, &v); err != nil {
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util.Log().Warning("无法解析静态资源文件版本, %s", err)
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return
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}
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staticName := "cloudreve-frontend"
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if conf.IsPro == "true" {
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staticName += "-pro"
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}
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if v.Name != staticName {
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util.Log().Warning("静态资源版本不匹配，请重新构建或删除 statics 目录")
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return
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}
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if v.Version != conf.RequiredStaticVersion {
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util.Log().Warning("静态资源版本不匹配 [当前 %s, 需要: %s]，请重新构建或删除 statics 目录", v.Version, conf.RequiredStaticVersion)
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return
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}
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} else {
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StaticFS = &GinFS{}
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StaticFS.(*GinFS).FS, err = fs.New()
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if err != nil {
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util.Log().Panic("无法初始化静态资源, %s", err)
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}
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}
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}
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