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option.go
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package middleware
import (
"github.com/HFO4/cloudreve/bootstrap"
model "github.com/HFO4/cloudreve/models"
"github.com/HFO4/cloudreve/pkg/hashid"
"github.com/HFO4/cloudreve/pkg/serializer"
"github.com/HFO4/cloudreve/pkg/util"
"github.com/gin-gonic/gin"
"io/ioutil"
)
// HashID 将给定对象的HashID转换为真实ID
func HashID(IDType int) gin.HandlerFunc {
return func(c *gin.Context) {
if c.Param("id") != "" {
id, err := hashid.DecodeHashID(c.Param("id"), IDType)
if err == nil {
c.Set("object_id", id)
c.Next()
return
}
c.JSON(200, serializer.ParamErr("无法解析对象ID", nil))
c.Abort()
return
}
c.Next()
}
}
// IsFunctionEnabled 当功能未开启时阻止访问
func IsFunctionEnabled(key string) gin.HandlerFunc {
return func(c *gin.Context) {
if !model.IsTrueVal(model.GetSettingByName(key)) {
c.JSON(200, serializer.Err(serializer.CodeNoPermissionErr, "未开启此功能", nil))
c.Abort()
return
}
c.Next()
}
}
// InjectSiteInfo 向首页html中插入站点信息
func InjectSiteInfo() gin.HandlerFunc {
ignoreFunc := func(c *gin.Context) {
c.Next()
}
if bootstrap.StaticFS == nil {
return ignoreFunc
}
// 读取index.html
file, err := bootstrap.StaticFS.Open("/index.html")
if err != nil {
util.Log().Warning("静态文件[index.html]不存在,可能会影响首页展示")
return ignoreFunc
}
fileContentBytes, err := ioutil.ReadAll(file)
if err != nil {
util.Log().Warning("静态文件[index.html]读取失败,可能会影响首页展示")
return ignoreFunc
}
fileContent := string(fileContentBytes)
return func(c *gin.Context) {
if c.Request.URL.Path == "/" || c.Request.URL.Path == "/index.html" {
// 读取、替换站点设置
options := model.GetSettingByNames("siteName", "siteKeywords", "siteScript",
"pwa_small_icon")
finalHTML := util.Replace(map[string]string{
"{siteName}": options["siteName"],
"{siteDes}": options["siteDes"],
"{siteScript}": options["siteScript"],
"{pwa_small_icon}": options["pwa_small_icon"],
}, fileContent)
c.Header("Content-Type", "text/html")
c.String(200, finalHTML)
c.Abort()
return
}
c.Next()
}
}