add(backend): inset data to db and check if path exist in db
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parent
85dff8deca
commit
73c06c3636
3 changed files with 50 additions and 10 deletions
2
db.go
2
db.go
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@ -18,7 +18,7 @@ func connectDB() *redis.Client {
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return db
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}
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func insert_paste(key string, content string, secret string, ttl time.Duration) {
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func insertPaste(key string, content string, secret string, ttl time.Duration) {
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type dbSchema struct {
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content string
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secret string
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35
main.go
35
main.go
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@ -1,6 +1,8 @@
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package main
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import (
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"fmt"
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"io"
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"net/http"
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"strings"
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)
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@ -9,14 +11,31 @@ var currentConfig config
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func handleRequest(w http.ResponseWriter, r *http.Request) {
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path := r.URL.Path
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if path == "/" {
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http.ServeFile(w, r, "./static/index.html")
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switch r.Method {
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case "GET":
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if path == "/" {
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http.ServeFile(w, r, "./static/index.html")
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} else if strings.HasPrefix(path, "/static/") {
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fs := http.FileServer(http.Dir("./static"))
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http.Handle("/static/", http.StripPrefix("/static/", fs))
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} else {
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w.WriteHeader(http.StatusNotFound)
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} else if strings.HasPrefix(path, "/static/") {
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fs := http.FileServer(http.Dir("./static"))
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http.Handle("/static/", http.StripPrefix("/static/", fs))
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} else {
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if urlExist(path) {
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io.WriteString(w, "exist")
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} else {
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w.WriteHeader(http.StatusNotFound)
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}
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}
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case "POST":
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if path == "/" {
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secret := generateSecret()
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url := "/" + generateUrl()
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content := r.FormValue("content")
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insertPaste(url, content, secret, -1)
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http.Redirect(w, r, url, http.StatusSeeOther)
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} else {
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w.WriteHeader(http.StatusMethodNotAllowed)
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}
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}
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}
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@ -28,6 +47,6 @@ func main() {
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err := http.ListenAndServe(listen, nil)
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if err != nil {
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return
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fmt.Println(err)
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}
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}
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23
utils.go
23
utils.go
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@ -1,6 +1,8 @@
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package main
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import "math/rand"
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import (
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"math/rand"
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)
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func generateUrl() string {
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length := currentConfig.urlLength
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@ -12,3 +14,22 @@ func generateUrl() string {
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return string(b)
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}
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func generateSecret() string {
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length := 32
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listChars := []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789")
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b := make([]rune, length)
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for i := range b {
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b[i] = listChars[rand.Intn(len(listChars))]
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}
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return string(b)
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}
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func urlExist(url string) bool {
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exist := connectDB().Exists(ctx, url).Val()
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if exist == 1 {
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return true
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}
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return false
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}
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