92 lines
1.6 KiB
Go
92 lines
1.6 KiB
Go
package main
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import (
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"github.com/dchest/uniuri"
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"github.com/ewhal/pygments"
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"io"
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"io/ioutil"
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"net/http"
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"os"
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)
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const (
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DIRECTORY = "/tmp/"
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ADDRESS = "http://localhost:8080/"
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LENGTH = 4
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TEXT = "$ <command> | curl -F 'p=<-' lang='python'" + ADDRESS + "\n"
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PORT = ":8080"
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)
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func check(e error) {
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if e != nil {
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panic(e)
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}
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}
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func exists(location string) bool {
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if _, err := os.Stat(location); err != nil {
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if os.IsNotExist(err) {
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return false
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}
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}
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return true
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}
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func generateName() string {
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s := uniuri.NewLen(LENGTH)
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file := exists(DIRECTORY + s)
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if file == true {
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generateName()
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}
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return s
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}
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func save(raw []byte) string {
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paste := raw[92 : len(raw)-46]
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s := generateName()
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location := DIRECTORY + s
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err := ioutil.WriteFile(location, paste, 0644)
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check(err)
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return s
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}
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func pasteHandler(w http.ResponseWriter, r *http.Request) {
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switch r.Method {
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case "GET":
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param1 := r.URL.Query().Get("p")
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param2 := r.URL.Query().Get("lang")
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if param1 != "" {
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d := DIRECTORY + param1
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s, err := ioutil.ReadFile(d)
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check(err)
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if param2 != "" {
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highlight := pygments.Highlight(string(s), param2, "html", "full, style=autumn,linenos=True, lineanchors=True,anchorlinenos=True,", "utf-8")
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io.WriteString(w, string(highlight))
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} else {
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io.WriteString(w, string(s))
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}
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} else {
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io.WriteString(w, TEXT)
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}
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case "POST":
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buf, err := ioutil.ReadAll(r.Body)
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check(err)
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io.WriteString(w, ADDRESS+"?p="+save(buf)+"\n")
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case "DELETE":
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// Remove the record.
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}
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}
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func main() {
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http.HandleFunc("/", pasteHandler)
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err := http.ListenAndServe(PORT, nil)
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check(err)
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}
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