初始提交: ScriptForge 脚本快速转运行链接服务

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Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

backend/internal/service/script.go

@@ -0,0 +1,113 @@
+package service
+
+import (
+	"errors"
+	"time"
+
+	"gorm.io/gorm"
+
+	"gitea.kmux.cn/zhilv/scriptforge/internal/config"
+	"gitea.kmux.cn/zhilv/scriptforge/internal/idgen"
+	"gitea.kmux.cn/zhilv/scriptforge/internal/model"
+)
+
+var (
+	ErrInvalidRuntime = errors.New("invalid runtime")
+	ErrNotFound       = errors.New("script not found or expired")
+)
+
+type ScriptService struct {
+	db *gorm.DB
+}
+
+func NewScriptService(db *gorm.DB) *ScriptService {
+	return &ScriptService{db: db}
+}
+
+type CreateInput struct {
+	Content   string
+	Runtime   string
+	ExpiresIn string
+}
+
+type CreateResult struct {
+	Script     model.Script
+	AdminToken string
+	Command    string
+	RawURL     string
+}
+
+func (s *ScriptService) Create(input CreateInput, scheme, host string) (*CreateResult, error) {
+	if !config.IsValidRuntime(input.Runtime) {
+		return nil, ErrInvalidRuntime
+	}
+
+	var d time.Duration
+	switch input.ExpiresIn {
+	case "1h":
+		d = 1 * time.Hour
+	case "24h":
+		d = 24 * time.Hour
+	case "7d":
+		d = 7 * 24 * time.Hour
+	case "30d":
+		d = 30 * 24 * time.Hour
+	default:
+		d = 24 * time.Hour
+	}
+
+	id, err := idgen.GenerateID(8)
+	if err != nil {
+		return nil, err
+	}
+
+	adminToken, err := idgen.GenerateToken()
+	if err != nil {
+		return nil, err
+	}
+
+	script := model.Script{
+		ID:         id,
+		Content:    input.Content,
+		Runtime:    input.Runtime,
+		AdminToken: adminToken,
+		ExpiresAt:  time.Now().Add(d),
+		CreatedAt:  time.Now(),
+	}
+
+	if err := s.db.Create(&script).Error; err != nil {
+		return nil, err
+	}
+
+	rawURL := scheme + "://" + host + "/raw/" + id
+	command := "curl " + rawURL + " | " + input.Runtime
+
+	return &CreateResult{
+		Script:     script,
+		AdminToken: adminToken,
+		Command:    command,
+		RawURL:     rawURL,
+	}, nil
+}
+
+func (s *ScriptService) GetByID(id string) (*model.Script, error) {
+	var script model.Script
+	err := s.db.Where("id = ? AND expires_at > ?", id, time.Now()).First(&script).Error
+	if errors.Is(err, gorm.ErrRecordNotFound) {
+		return nil, ErrNotFound
+	}
+	return &script, err
+}
+
+func (s *ScriptService) Delete(id, token string) error {
+	result := s.db.Where("id = ? AND admin_token = ?", id, token).Delete(&model.Script{})
+	if result.RowsAffected == 0 {
+		return ErrNotFound
+	}
+	return result.Error
+}
+
+func (s *ScriptService) CleanupExpired() (int64, error) {
+	result := s.db.Where("expires_at <= ?", time.Now()).Delete(&model.Script{})
+	return result.RowsAffected, result.Error
+}