Wappalyzergo as a Service

main.go

package main

import (
	"crypto/tls"
	"io/ioutil"
	"net/http"

	"github.com/gin-gonic/gin"

	wappalyzer "github.com/projectdiscovery/wappalyzergo"
)

func main() {
	r := gin.Default()

	r.GET("/scan", func(c *gin.Context) {

		website := c.Query("url")
		http.DefaultTransport.(*http.Transport).TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
		resp, err := http.DefaultClient.Get(website)
		if err != nil {
			c.JSON(500, gin.H{
				"message": "Error while trying to reach " + website,
			})
			// log.Fatal(err)
		}
		data, _ := ioutil.ReadAll(resp.Body) // Ignoring error for example

		wappalyzerClient, err := wappalyzer.New()
		fingerprints := wappalyzerClient.Fingerprint(resp.Header, data)
		// fmt.Printf("%v\n", fingerprints)

		keys := make([]string, 0, len(fingerprints))
		for key := range fingerprints {
			keys = append(keys, key)
		}

		c.JSON(200, gin.H{
			"technologies": keys,
		})
	})

	r.Run() // listen and serve on 0.0.0.0:8080 (for windows "localhost:8080")
}