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.

internal/notice/slack.go

@@ -0,0 +1,84 @@
+package notice
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"strings"
+
+	"github.com/li4n0/revsuit/internal/record"
+)
+
+var _ Bot = (*Slack)(nil)
+
+type Slack struct {
+	URL string
+}
+
+type slackText struct {
+	Type string `json:"type"`
+	Text string `json:"text"`
+}
+
+type slackBlock struct {
+	Type string    `json:"type"`
+	Text slackText `json:"text"`
+}
+
+type slackAttachments struct {
+	Color string `json:"color"`
+	Blocks []slackBlock `json:"blocks"`
+}
+
+type slackPayload struct {
+	Attachments []slackAttachments `json:"attachments"`
+}
+
+func (d *Slack) buildPayload(r record.Record) string {
+	payload := slackPayload{
+		Attachments: []slackAttachments{
+			{
+				Color: "#f2c744",
+				Blocks: []slackBlock{
+					{
+						Type: "header",
+						Text: slackText{
+							Type: "plain_text",
+							Text: "New Connection",
+						},
+					},
+					{
+						Type: "section",
+						Text: slackText{
+							Type: "mrkdwn",
+							Text: formatRecordField(r, "- `%s: %v`"),
+						},
+					},
+				},
+			},
+		},
+	}
+	p, err := json.Marshal(&payload)
+	if err != nil {
+		return ""
+	}
+	return string(p)
+}
+
+func (d *Slack) notice(r record.Record) error {
+	resp, err := http.DefaultClient.Post(d.URL, "application/json", strings.NewReader(d.buildPayload(r)))
+	if err != nil {
+		return fmt.Errorf("HTTP request: %v", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode/100 != 2 {
+		data, err := ioutil.ReadAll(resp.Body)
+		if err != nil {
+			return fmt.Errorf("read HTTP response body: %v", err)
+		}
+		return fmt.Errorf("non-success response status code %d with body: %s", resp.StatusCode, data)
+	}
+	return nil
+}