109 lines
2.8 KiB
Go
109 lines
2.8 KiB
Go
package main
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import (
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"bufio"
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"database/sql"
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"fmt"
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"log"
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"os"
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"strings"
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"github.com/google/uuid"
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"golang.org/x/crypto/bcrypt"
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"mal/internal/db"
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)
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func main() {
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dbConn, err := db.Open(db.GetDBFile())
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if err != nil {
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log.Fatalf("failed to open db: %v", err)
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}
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defer func() { _ = dbConn.Close() }()
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if len(os.Args) == 2 && os.Args[1] == "update-avatar" {
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updateAvatars(dbConn)
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return
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}
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if len(os.Args) != 3 {
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log.Fatalf("Usage: go run cmd/user/main.go <username> <password>\n go run cmd/user/main.go update-avatar")
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}
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username := os.Args[1]
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password := os.Args[2]
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var existingID string
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err = dbConn.QueryRow("SELECT id FROM user WHERE username = ?", username).Scan(&existingID)
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if err != nil && err != sql.ErrNoRows {
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log.Fatalf("database error: %v", err)
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}
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if err == nil {
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fmt.Printf("User '%s' already exists. Do you want to overwrite their password? [y/N]: ", username)
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reader := bufio.NewReader(os.Stdin)
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response, _ := reader.ReadString('\n')
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response = strings.TrimSpace(strings.ToLower(response))
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if response != "y" && response != "yes" {
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fmt.Println("Operation cancelled.")
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return
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}
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hash, err := bcrypt.GenerateFromPassword([]byte(password), 12)
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if err != nil {
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log.Fatalf("failed to hash password: %v", err)
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}
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_, err = dbConn.Exec("UPDATE user SET password_hash = ? WHERE id = ?", string(hash), existingID)
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if err != nil {
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log.Fatalf("failed to update user: %v", err)
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}
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fmt.Printf("Password for '%s' updated successfully!\n", username)
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return
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}
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hash, err := bcrypt.GenerateFromPassword([]byte(password), 12)
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if err != nil {
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log.Fatalf("failed to hash password: %v", err)
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}
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id := uuid.New().String()
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avatarURL := fmt.Sprintf("https://api.dicebear.com/9.x/dylan/svg?seed=%s", username)
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_, err = dbConn.Exec("INSERT INTO user (id, username, password_hash, avatar_url) VALUES (?, ?, ?, ?)", id, username, string(hash), avatarURL)
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if err != nil {
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log.Fatalf("failed to create user: %v", err)
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}
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fmt.Printf("User '%s' was created successfully!\n", username)
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}
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func updateAvatars(dbConn *sql.DB) {
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rows, err := dbConn.Query("SELECT id, username FROM user")
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if err != nil {
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log.Fatalf("failed to fetch users: %v", err)
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}
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defer func() { _ = rows.Close() }()
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count := 0
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for rows.Next() {
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var id, username string
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if err := rows.Scan(&id, &username); err != nil {
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log.Fatalf("failed to scan user: %v", err)
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}
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avatarURL := fmt.Sprintf("https://api.dicebear.com/9.x/dylan/svg?seed=%s", username)
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_, err := dbConn.Exec("UPDATE user SET avatar_url = ? WHERE id = ?", avatarURL, id)
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if err != nil {
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log.Fatalf("failed to update avatar for %s: %v", username, err)
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}
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count++
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}
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if err := rows.Err(); err != nil {
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log.Fatalf("iteration error: %v", err)
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}
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fmt.Printf("Updated avatars for %d user(s)\n", count)
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}
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