139 lines
3.0 KiB
Go
139 lines
3.0 KiB
Go
// Copyright (c) 2014-2018, b3log.org & hacpai.com
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package playground
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import (
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"crypto/md5"
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"encoding/hex"
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"encoding/json"
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"io"
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"net/http"
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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"github.com/b3log/wide/conf"
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"github.com/b3log/wide/session"
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"github.com/b3log/wide/util"
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)
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// SaveHandler handles request of Playground code save.
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func SaveHandler(w http.ResponseWriter, r *http.Request) {
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result := util.NewResult()
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defer util.RetResult(w, r, result)
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session, _ := session.HTTPSession.Get(r, "wide-session")
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if session.IsNew {
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http.Error(w, "Forbidden", http.StatusForbidden)
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return
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}
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var args map[string]interface{}
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if err := json.NewDecoder(r.Body).Decode(&args); err != nil {
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logger.Error(err)
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result.Succ = false
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return
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}
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code := args["code"].(string)
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// Step1. format code
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cmd := exec.Command("gofmt")
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stdin, err := cmd.StdinPipe()
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if nil != err {
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logger.Error(err)
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result.Succ = false
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return
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}
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io.WriteString(stdin, code)
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stdin.Close()
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bytes, _ := cmd.Output()
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output := string(bytes)
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if "" != output {
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code = string(output)
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}
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data := map[string]interface{}{}
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result.Data = &data
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data["code"] = code
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// Step2. generate file name
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hasher := md5.New()
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hasher.Write([]byte(code))
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fileName := hex.EncodeToString(hasher.Sum(nil))
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fileName += ".go"
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data["fileName"] = fileName
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// Step3. write file
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filePath := filepath.Clean(conf.Wide.Playground + "/" + fileName)
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fout, err := os.Create(filePath)
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fout.WriteString(code)
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if err := fout.Close(); nil != err {
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logger.Error(err)
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result.Succ = false
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return
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}
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}
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// ShortURLHandler handles request of short URL.
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func ShortURLHandler(w http.ResponseWriter, r *http.Request) {
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result := util.NewResult()
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defer util.RetResult(w, r, result)
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session, _ := session.HTTPSession.Get(r, "wide-session")
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if session.IsNew {
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http.Error(w, "Forbidden", http.StatusForbidden)
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return
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}
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var args map[string]interface{}
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if err := json.NewDecoder(r.Body).Decode(&args); err != nil {
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logger.Error(err)
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result.Succ = false
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return
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}
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url := args["url"].(string)
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resp, _ := http.Post("http://dwz.cn/create.php", "application/x-www-form-urlencoded",
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strings.NewReader("url="+url))
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var response map[string]interface{}
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if err := json.NewDecoder(resp.Body).Decode(&response); err != nil {
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logger.Error(err)
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result.Succ = false
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return
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}
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shortURL := url
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if 0 == response["status"].(float64) {
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shortURL = response["tinyurl"].(string)
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}
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result.Data = shortURL
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}
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