feat: complete basic functions

Support http,dns and mysql connection. Support custom http, dns response. Support dns rebinding.
Support mysql load local files and jdbc deserialize exploit.

pkg/mysql/file.go

@@ -0,0 +1,62 @@
+package mysql
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/gabriel-vasile/mimetype"
+	"github.com/gin-gonic/gin"
+	"github.com/li4n0/revsuit/internal/database"
+)
+
+const FILE_SPEARATOR = ";"
+
+type File struct {
+	ID       uint   `gorm:"primarykey" form:"id" json:"id"`
+	RecordID uint   `gorm:"constraint:OnUpdate:CASCADE,OnDelete:CASCADE;" json:"-"`
+	Name     string `json:"name"`
+	Content  []byte `json:"-"`
+}
+
+//func (File) TableName() string {
+//	return "mysql_files"
+//}
+
+func GetFile(c *gin.Context) {
+	var (
+		file        File
+		mysqlRecord Record
+	)
+	id := c.Param("id")
+	if id == "" {
+		c.JSON(400, gin.H{
+			"status": "failed",
+			"error":  fmt.Errorf("param id missed").Error(),
+			"result": nil,
+		})
+		return
+	}
+
+	database.DB.Model(&file).Where("id = ?", id).Find(&file)
+	database.DB.Model(&mysqlRecord).Where("id = ?", file.RecordID).Find(&mysqlRecord)
+	if file.Content == nil || len(file.Content) == 0 {
+		c.JSON(400, gin.H{
+			"status": "failed",
+			"error":  fmt.Errorf("file not found").Error(),
+			"result": nil,
+		})
+		return
+	} else {
+		mime := mimetype.Detect(file.Content)
+		c.Header("Content-Type", mime.String())
+		c.Header("Content-Disposition",
+			fmt.Sprintf(
+				"filename=%s_%s_%d",
+				strings.Replace(mysqlRecord.RemoteIP, ".", "_", -1),
+				file.Name,
+				file.ID,
+			),
+		)
+		c.String(200, string(file.Content))
+	}
+}