Create a Twitter list of following who suspected to be dangerous (AKA Naamn).

dangerous.go

package main

import (
	"log"
	"regexp"

	"github.com/dghubble/go-twitter/twitter"
	"github.com/dghubble/oauth1"
)

func main() {
	// Twitter screen name
	ownerScreenName := ""

	// Twitter consumer and token keys
	consumerKey := ""
	consumerSecret := ""
	accessToken := ""
	accessSecret := ""

	// Create config and token using keys
	config := oauth1.NewConfig(consumerKey, consumerSecret)
	token := oauth1.NewToken(accessToken, accessSecret)

	// Authorize requests using OAuth1
	httpClient := config.Client(oauth1.NoContext, token)

	// Create Twitter client
	client := twitter.NewClient(httpClient)

	// Create a Twitter list for dangerous users if not exist
	list, _, _ := client.Lists.Show(&twitter.ListsShowParams{Slug: "dangerous", OwnerScreenName: ownerScreenName})
	if list.ID == 0 {
		_, _, err := client.Lists.Create("Dangerous", &twitter.ListsCreateParams{})
		if err != nil {
			log.Fatal(err)
		}
	}

	// List of following users
	var users []twitter.User
	var cursor int64 = -1

	// Loop through following to fetch recent fifteen hundred
	for i := 0; i < 15; i++ {
		if cursor == 0 {
			break
		}

		// Fetch the list of following
		following, _, err := client.Friends.List(&twitter.FriendListParams{Count: 100, Cursor: cursor})
		if err != nil {
			log.Fatal(err)
		}

		// Merge to the list of users
		users = append(users, following.Users...)
		cursor = following.NextCursor
	}

	// Loop through the list of users, and add those you suspected
	// to be dangerous, to a twitter list for manual review
	for _, user := range users {

		// Make sure user registered between 2018-2020
		matched, _ := regexp.MatchString("201[89]", user.CreatedAt)
		if !matched || user.FollowersCount < 1000 {
			continue
		}

		// Make sure number of following are more than half of followers
		if user.FriendsCount/user.FollowersCount*100 < 50 {
			continue
		}

		// Add user to the list of dangerous people
		_, err := client.Lists.MembersCreate(&twitter.ListsMembersCreateParams{ListID: list.ID, UserID: user.ID})
		if err != nil {
			log.Fatal(err)
		}

	}
}