2018-09-11 10:57:48 +00:00
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package main
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import (
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"flag"
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"io/ioutil"
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"net/http"
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"os"
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"os/exec"
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"yumc.pw/cloud/html2pic/uuid"
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)
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func main() {
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b := flag.String("b", ":8080", "Server Bind Address")
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lib := flag.String("lib", "/root", "Set Phantomjs Root Path")
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tempDir := flag.String("temp", os.TempDir(), "")
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flag.Parse()
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http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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uid, _ := uuid.NewV4()
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uuid := "html2pic-" + uid.String()
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2018-09-12 09:14:26 +00:00
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var (
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url string
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html string
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)
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if r.Method == "GET" {
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url, html = r.FormValue("url"), r.FormValue("html")
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} else {
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url, html = r.PostFormValue("url"), r.PostFormValue("html")
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}
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2018-09-11 10:57:48 +00:00
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tempFile := *tempDir + "/" + uuid + ".html"
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if html != "" {
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ioutil.WriteFile(tempFile, []byte("<!DOCTYPE html><html lang=\"zh\"><head><meta charset=\"UTF-8\"></head><body style=\"margin: 0;padding: 0;\">"+html+"</body></html>"), os.ModeAppend)
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url = "file://" + tempFile
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2018-09-12 09:14:26 +00:00
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os.Chmod(tempFile, 0755)
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2018-09-11 10:57:48 +00:00
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defer os.Remove(tempFile)
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}
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if url == "" {
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w.Write([]byte("Empty Url..."))
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return
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}
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tempPic := *tempDir + "/" + uuid + ".png"
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err := exec.Command(*lib+"/phantomjs", *lib+"/screenshot.js", url, tempPic).Run()
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defer os.Remove(tempPic)
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if err != nil {
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w.Write([]byte(err.Error()))
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return
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}
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bytes, _ := ioutil.ReadFile(tempPic)
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w.Write(bytes)
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})
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http.ListenAndServe(*b, nil)
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}
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