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//
// rhimportd
//
// The Radio Helsinki Rivendell Import Daemon
//
//
// Copyright (C) 2015-2016 Christian Pointner <equinox@helsinki.at>
//
// This file is part of rhimportd.
//
// rhimportd is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// any later version.
//
// rhimportd is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with rhimportd. If not, see <http://www.gnu.org/licenses/>.
//
package main
import (
"code.helsinki.at/rhrd-go/rddb"
"code.helsinki.at/rhrd-go/rhimport"
"encoding/json"
"fmt"
"html"
"net/http"
)
type webSimpleRequestData struct {
UserName string `json:"LOGIN_NAME"`
Password string `json:"PASSWORD"`
ShowId uint `json:"SHOW_ID"`
ClearShowCarts bool `json:"CLEAR_SHOW_CARTS"`
MusicPoolGroup string `json:"MUSIC_POOL_GROUP"`
Cart uint `json:"CART_NUMBER"`
ClearCart bool `json:"CLEAR_CART"`
Cut uint `json:"CUT_NUMBER"`
Channels uint `json:"CHANNELS"`
NormalizationLevel int `json:"NORMALIZATION_LEVEL"`
AutotrimLevel int `json:"AUTOTRIM_LEVEL"`
UseMetaData bool `json:"USE_METADATA"`
SourceUri string `json:"SOURCE_URI"`
}
func newWebSimpleRequestData(conf *rhimport.Config) *webSimpleRequestData {
rd := new(webSimpleRequestData)
rd.UserName = ""
rd.Password = ""
rd.ShowId = 0
rd.ClearShowCarts = false
rd.MusicPoolGroup = ""
rd.Cart = 0
rd.ClearCart = false
rd.Cut = 0
rd.Channels = conf.ImportParamDefaults.Channels
rd.NormalizationLevel = conf.ImportParamDefaults.NormalizationLevel
rd.AutotrimLevel = conf.ImportParamDefaults.AutotrimLevel
rd.UseMetaData = conf.ImportParamDefaults.UseMetaData
rd.SourceUri = ""
return rd
}
type webSimpleResponseData struct {
ResponseCode int `json:"RESPONSE_CODE"`
ErrorString string `json:"ERROR_STRING"`
Cart uint `json:"CART_NUMBER"`
Cut uint `json:"CUT_NUMBER"`
}
func webSimpleErrorResponse(w http.ResponseWriter, code int, errStr string) {
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusInternalServerError)
encoder := json.NewEncoder(w)
respdata := webSimpleResponseData{code, errStr, 0, 0}
encoder.Encode(respdata)
}
func webSimpleResponse(w http.ResponseWriter, result *rhimport.Result) {
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusInternalServerError)
encoder := json.NewEncoder(w)
respdata := webSimpleResponseData{result.ResponseCode, result.ErrorString, result.Cart, result.Cut}
encoder.Encode(respdata)
}
func webSimpleParseRequest(conf *rhimport.Config, db *rddb.DBChan, trusted bool, r *http.Request) (ctx *rhimport.Context, err error) {
decoder := json.NewDecoder(r.Body)
reqdata := newWebSimpleRequestData(conf)
if jsonerr := decoder.Decode(reqdata); jsonerr != nil {
err = fmt.Errorf("Error parsing JSON response: %s", jsonerr)
return
}
ctx = rhimport.NewContext(conf, db)
if trusted {
ctx.UserName = r.Header.Get("X-Forwarded-User")
} else {
ctx.UserName = reqdata.UserName
ctx.Password = reqdata.Password
}
ctx.Trusted = trusted
ctx.ShowId = reqdata.ShowId
ctx.ClearShowCarts = reqdata.ClearShowCarts
ctx.GroupName = reqdata.MusicPoolGroup
ctx.Cart = reqdata.Cart
ctx.ClearCart = reqdata.ClearCart
ctx.Cut = reqdata.Cut
ctx.Channels = reqdata.Channels
ctx.NormalizationLevel = reqdata.NormalizationLevel
ctx.AutotrimLevel = reqdata.AutotrimLevel
ctx.UseMetaData = reqdata.UseMetaData
ctx.SourceUri = reqdata.SourceUri
return
}
func webSimpleHandler(conf *rhimport.Config, db *rddb.DBChan, sessions *rhimport.SessionStoreChan, trusted bool, w http.ResponseWriter, r *http.Request) {
rhdl.Printf("WebSimpleHandler: request for '%s'", html.EscapeString(r.URL.Path))
var ctx *rhimport.Context
var err error
if ctx, err = webSimpleParseRequest(conf, db, trusted, r); err != nil {
webSimpleErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
if err = ctx.SanityCheck(); err != nil {
webSimpleErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
var res *rhimport.Result
if res, err = rhimport.FetchFile(ctx); err != nil {
webSimpleErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
if res.ResponseCode != http.StatusOK {
webSimpleErrorResponse(w, res.ResponseCode, res.ErrorString)
return
}
if res, err = rhimport.ImportFile(ctx); err != nil {
webSimpleErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
if res.ResponseCode == http.StatusOK {
rhl.Println("ImportFile succesfully imported", ctx.SourceFile)
} else {
rhl.Println("ImportFile import of", ctx.SourceFile, "was unsuccesful")
}
webSimpleResponse(w, res)
return
}
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