110 lines
2.1 KiB
Go
110 lines
2.1 KiB
Go
package main
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import (
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"database/sql"
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"fmt"
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"html"
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"io"
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"io/ioutil"
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"net/http"
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"github.com/dchest/uniuri"
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"github.com/ewhal/pygments"
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_ "github.com/mattn/go-sqlite3"
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)
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const (
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ADDRESS = "https://p.pantsu.cat/"
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LENGTH = 6
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TEXT = "$ <command> | curl -F 'p=<-' " + ADDRESS + "\n"
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PORT = ":9900"
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)
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func check(err error) {
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if err != nil {
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fmt.Println(err)
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}
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}
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func generateName() string {
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s := uniuri.NewLen(LENGTH)
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db, err := sql.Open("sqlite3", "./database.db")
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check(err)
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query, err := db.Query("select id from pastebin")
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for query.Next() {
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var id string
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err := query.Scan(&id)
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if err != nil {
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}
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if id == s {
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generateName()
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}
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}
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db.Close()
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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[86 : len(raw)-46]
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s := generateName()
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db, err := sql.Open("sqlite3", "./database.db")
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check(err)
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stmt, err := db.Prepare("INSERT INTO pastebin(id, data) values(?,?)")
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_, err = stmt.Exec(s, html.EscapeString(string(paste)))
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check(err)
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db.Close()
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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 := html.EscapeString(r.URL.Query().Get("p"))
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param2 := html.EscapeString(r.URL.Query().Get("lang"))
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db, err := sql.Open("sqlite3", "./database.db")
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var s string
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err = db.QueryRow("select data from pastebin where id=?", param1).Scan(&s)
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db.Close()
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check(err)
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if param1 != "" {
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if err == sql.ErrNoRows {
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io.WriteString(w, "Error invalid paste")
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}
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if param2 != "" {
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highlight := pygments.Highlight(html.UnescapeString(s), param2, "html", "full, style=autumn,linenos=True, lineanchors=True,anchorlinenos=True,", "utf-8")
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io.WriteString(w, highlight)
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} else {
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io.WriteString(w, html.UnescapeString(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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if err != nil {
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http.Error(w, err.Error(), 500)
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}
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name := save(buf)
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io.WriteString(w, ADDRESS+"?p="+name+"\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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if err != nil {
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panic(err)
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}
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}
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