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/*
* Copyright 2018 Intel Corporation, Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package api
import (
"encoding/json"
"errors"
"github.com/gorilla/mux"
"io"
"mime/multipart"
"net/http"
)
type UploadConfigBody struct {
Token string
File multipart.File
Subdomain string
}
type LoadConfigBody struct {
Token string `json:"token"`
Filename string `json:"filename"`
Subdomain string `json:"subdomain"`
}
func ValidateLoadConfigBody(body LoadConfigBody) error {
if body.Token == "" {
return errors.New("Token not set. Please set Token in POST.")
}
return nil
}
func HandleConfigUpload(w http.ResponseWriter, r *http.Request) {
r.ParseMultipartForm(100000) // 2k bytes?
file, handler, err := r.FormFile("configFile")
if err != nil {
GenerateResponse(w, r, http.StatusInternalServerError, "Error in uploaded file.")
return
}
defer file.Close()
if err != nil {
GenerateResponse(w, r, http.StatusInternalServerError, string(err.Error()))
return
}
token := r.Form.Get("token")
subdomain := r.Form.Get("subdomain")
if token == "" {
GenerateResponse(w, r, http.StatusBadRequest, "Token not present in Form data.")
return
}
var filename = ""
if subdomain != "" {
filename += token + "/" + subdomain + "/" + handler.Filename
} else {
filename += token + "/" + handler.Filename
}
f, err := Directory.CreateFile(MOUNTPATH + filename)
if err != nil {
GenerateResponse(w, r, http.StatusInternalServerError, string(err.Error()))
return
}
defer f.Close()
io.Copy(f, file)
GenerateResponse(w, r, http.StatusOK, "Configuration uploaded to Token: "+token)
}
func HandleConfigLoad(w http.ResponseWriter, r *http.Request) {
var body LoadConfigBody
decoder := json.NewDecoder(r.Body)
err := decoder.Decode(&body)
if err != nil {
GenerateResponse(w, r, http.StatusBadRequest, "Empty body.")
return
}
err = ValidateLoadConfigBody(body)
if err != nil {
GenerateResponse(w, r, http.StatusBadRequest, string(err.Error()))
return
}
kvs_map, err := KeyValues.ConfigReader(body.Token, body.Subdomain, body.Filename)
if err != nil {
GenerateResponse(w, r, http.StatusInternalServerError, string(err.Error()))
return
}
err = KeyValues.WriteKVsToConsul(body.Token, body.Subdomain, kvs_map)
if err != nil {
GenerateResponse(w, r, http.StatusInternalServerError, string(err.Error()))
} else {
GenerateResponse(w, r, http.StatusOK, "Configuration read and Key Values loaded to Consul.")
}
}
func HandleDefaultConfigLoad(w http.ResponseWriter, r *http.Request) {
kvs_map, err := KeyValues.ConfigReader("default", "", "")
if err != nil {
GenerateResponse(w, r, http.StatusInternalServerError, string(err.Error()))
return
}
err = KeyValues.WriteKVsToConsul("default", "", kvs_map)
if err != nil {
GenerateResponse(w, r, http.StatusInternalServerError, string(err.Error()))
} else {
GenerateResponse(w, r, http.StatusOK, "Default Configuration read and default Key Values loaded to Consul.")
}
}
func HandleConfigGet(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
token := vars["token"]
filename := vars["filename"]
subdomain := vars["subdomain"]
if token == "" {
GenerateResponse(w, r, http.StatusBadRequest, "Token not passed.")
return
}
if filename == "" {
GenerateResponse(w, r, http.StatusBadRequest, "filename not passed.")
return
}
Directory.FetchFile(w, r, token, subdomain, filename)
}
func HandleConfigDelete(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
token := vars["token"]
filename := vars["filename"]
subdomain := vars["subdomain"]
if token == "" {
GenerateResponse(w, r, http.StatusBadRequest, "Token not passed.")
return
}
if filename == "" {
GenerateResponse(w, r, http.StatusBadRequest, "filename not passed.")
return
}
err := Directory.RemoveFile(token, subdomain, filename)
if err != nil {
GenerateResponse(w, r, http.StatusInternalServerError, string(err.Error()))
} else {
GenerateResponse(w, r, http.StatusOK, "Deletion of config is successful.")
}
}
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