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torrent-paradise/api/main.go

138 lines
3.1 KiB
Go

package main
import (
"database/sql"
"encoding/json"
"io/ioutil"
"log"
"net/http"
"strings"
"sync"
"github.com/lib/pq"
)
type Results []Result
type Result struct {
ID string `json:"id"`
Text string `json:"text"`
Len int `json:"len"`
S int `json:"s"`
L int `json:"l"`
}
type ingestRequest struct {
Ih string
Name string
Length int
}
func initDb() *sql.DB {
connStr := "user=nextgen dbname=nextgen host=/var/run/postgresql"
db, err := sql.Open("postgres", connStr)
if err != nil {
log.Fatal(err)
}
_, err = db.Exec(`CREATE TABLE IF NOT EXISTS telemetry (
payload jsonb NOT NULL,
time timestamp DEFAULT current_timestamp
)`)
if err != nil {
log.Fatal(err)
}
return db
}
func main() {
db := initDb()
var alreadyIngested sync.Map
http.HandleFunc("/api/telemetry", func(w http.ResponseWriter, r *http.Request) {
body, err := ioutil.ReadAll(r.Body)
if err != nil {
log.Print(err)
}
_, err = db.Exec("INSERT INTO telemetry (payload) VALUES ($1)", string(body))
if err != nil {
log.Print(err)
w.WriteHeader(http.StatusInternalServerError)
}
w.WriteHeader(http.StatusOK)
})
// INSECURE! BE SURE TO WALL OFF THIS PROPERLY IN PROD
http.HandleFunc("/api/ingest", func(w http.ResponseWriter, r *http.Request) {
decoder := json.NewDecoder(r.Body)
var req ingestRequest
err := decoder.Decode(&req)
if err != nil {
w.WriteHeader(http.StatusBadRequest)
log.Println(err)
return
}
_, cached := alreadyIngested.Load(req.Ih)
if !cached {
_, err = db.Exec("INSERT INTO torrent (infohash, name, length) VALUES ($1, $2, $3)", req.Ih, req.Name, req.Length)
if err, ok := err.(*pq.Error); ok { //dark magic
if err.Code != "23505" {
log.Println(err)
}
}
alreadyIngested.Store(req.Ih, true)
}
w.WriteHeader(http.StatusOK)
})
http.HandleFunc("/api/search", func(w http.ResponseWriter, r *http.Request) {
q := r.URL.Query().Get("q")
if len(q) == 0 {
log.Print("/api/search received empty q argument")
w.WriteHeader(http.StatusBadRequest)
return
}
pedoWords := []string{"pedo", "preteen", "14yo", "13yo", "12yo", "15yo", "16yo", "17yo", "11y", "underage", "11yo", "10yo", "10y", "9yo", "mafiasex", "pedofilia", "violacion"}
for _, word := range pedoWords {
if strings.Contains(q, word) {
w.WriteHeader(500)
return
}
}
rows, err := db.Query("select infohash, name, length, s, l from search where vect @@ websearch_to_tsquery($1) and copyrighted = 'f' limit 150", q)
if err != nil {
log.Print(err)
w.WriteHeader(http.StatusInternalServerError)
return
}
var results Results
for rows.Next() {
var (
infohash string
name string
length int
s int
l int
)
err := rows.Scan(&infohash, &name, &length, &s, &l)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
log.Print(err)
return
}
result := Result{infohash, name, length, s, l}
results = append(results, result)
}
w.WriteHeader(http.StatusOK)
marshaledResults, err := json.Marshal(results)
if err != nil {
log.Fatal(err)
}
w.Write(marshaledResults)
})
http.ListenAndServe(":8000", nil)
}