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package files
import (
"encoding/base64"
"encoding/json"
"godo/libs"
"net/http"
"strconv"
"strings"
)
func HandleReadFile(w http.ResponseWriter, r *http.Request) {
// 初始值
path := r.URL.Query().Get("path")
fPwd := r.Header.Get("filePwd")
salt := GetSalt(r)
hasPwd, err := GetPwdFlag()
if err != nil {
libs.HTTPError(w, http.StatusInternalServerError, err.Error())
return
}
// 校验文件路径
if err := validateFilePath(path); err != nil {
libs.HTTPError(w, http.StatusBadRequest, err.Error())
return
}
// 获取文件路径
basePath, err := libs.GetOsDir()
if err != nil {
libs.HTTPError(w, http.StatusInternalServerError, err.Error())
return
}
// 读取内容
fileContent, err := ReadFile(basePath, path)
if err != nil {
libs.HTTPError(w, http.StatusNotFound, err.Error())
return
}
fileData := string(fileContent)
// 无加密情况
if !hasPwd {
// 判断文件开头是否以link:开头
if !strings.HasPrefix(fileData, "link::") {
fileData = base64.StdEncoding.EncodeToString(fileContent)
}
resp := libs.APIResponse{Message: "success", Data: fileData}
json.NewEncoder(w).Encode(resp)
return
}
// 加密情况
// 1. 验证文件密码
if !CheckFilePwd(fPwd, salt) {
libs.HTTPError(w, http.StatusBadRequest, "密码错误")
return
}
// 2. 解密文件内容
fileContent, err = libs.DecryptData(fileContent, libs.EncryptionKey)
if err != nil {
libs.HTTPError(w, http.StatusInternalServerError, err.Error())
return
}
// 3. base64编码后返回
// 判断文件开头是否以link:开头
fileData = string(fileContent)
if !strings.HasPrefix(fileData, "link::") {
fileData = base64.StdEncoding.EncodeToString(fileContent)
}
// 初始响应
res := libs.APIResponse{Code: 0, Message: "success", Data: fileData}
json.NewEncoder(w).Encode(res)
}
// 设置文件密码
func HandleSetFilePwd(w http.ResponseWriter, r *http.Request) {
fPwd := r.Header.Get("filepPwd")
salt := GetSalt(r)
// 服务端再hash加密
hashPwd := libs.HashPassword(fPwd, salt)
// 服务端存储
req := libs.ReqBody{
Name: "filePwd",
Value: hashPwd,
}
libs.SetConfig(req)
// salt值存储
reqSalt := libs.ReqBody{
Name: "salt",
Value: salt,
}
libs.SetConfig(reqSalt)
res := libs.APIResponse{Message: "密码设置成功"}
json.NewEncoder(w).Encode(res)
}
// 更改文件密码
func HandleChangeFilePwd(w http.ResponseWriter, r *http.Request) {
filePwd := r.Header.Get("filePwd")
salt := GetSalt(r)
if filePwd == "" || salt == "" {
libs.ErrorMsg(w, "密码为空")
return
}
newPwd := libs.HashPassword(filePwd, salt)
pwdReq := libs.ReqBody{
Name: "filePwd",
Value: newPwd,
}
libs.SetConfig(pwdReq)
libs.SuccessMsg(w, "success", "The file password change success!")
}
// 更改加密状态
func HandleSetIsPwd(w http.ResponseWriter, r *http.Request) {
isPwd := r.URL.Query().Get("ispwd")
// 0非加密机器 1加密机器
isPwdValue, err := strconv.Atoi(isPwd)
if err != nil {
libs.HTTPError(w, http.StatusBadRequest, err.Error())
return
}
var isPwdBool bool
if isPwdValue == 0 {
isPwdBool = false
} else {
isPwdBool = true
}
pwdReq := libs.ReqBody{
Name: "isPwd",
Value: isPwdBool,
}
libs.SetConfig(pwdReq)
libs.SaveConfig()
libs.SuccessMsg(w, "success", "")
}