From 9e6c362ec0d1ae65bc9535abd5a6cb7d5047b04b Mon Sep 17 00:00:00 2001
From: sML <sml@lacashita.com>
Date: Tue, 27 Dec 2022 10:08:03 +0100
Subject: [PATCH] first commit

---
 fbroken.go | 108 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 108 insertions(+)
 create mode 100755 fbroken.go

diff --git a/fbroken.go b/fbroken.go
new file mode 100755
index 0000000..5ac2af1
--- /dev/null
+++ b/fbroken.go
@@ -0,0 +1,108 @@
+/*
+Description: Tool to check alive URLs.
+Auth0r: sml@lacashita.com
+
+Use it only as educational purpose.
+*/
+
+package main
+
+import (
+	"bufio"
+	"flag"
+	"fmt"
+	"net/http"
+	"os"
+	"sync"
+	"time"
+)
+
+// Func to check if URL works.
+func checkUrl(page string, client http.Client, wg *sync.WaitGroup) {
+	defer wg.Done()
+	request, err := http.NewRequest("GET", page, nil)
+	if err != nil {
+		fmt.Printf("Error requesting url.\n")
+	}
+	response, err := client.Do(request)
+	if err != nil {
+		// Shows the errors in requests.
+		fmt.Printf("Error in the URL: %v with the error %v\n", page, err)
+	} else {
+		if response.StatusCode == 200 {
+			// Uncomment the following line to check what pages are OK (Status 200).
+			// fmt.Printf("Page %v OK\n",page)
+			defer response.Body.Close()
+		} else {
+			// Shows URLs with errors (Status != 200).
+			fmt.Printf("Page %v with errors.\n",page)
+		}
+	}
+}
+
+var wg sync.WaitGroup
+
+func lanomalie() {
+fmt.Println(`
+   __ _               _              
+  / _| |             | |             
+ | |_| |__  _ __ ___ | | _____ _ __  
+ |  _| '_ \| '__/ _ \| |/ / _ \ '_ \ 
+ | | | |_) | | | (_) |   <  __/ | | |
+ |_| |_.__/|_|  \___/|_|\_\___|_| |_|
+=====================================
+[-] Checking alive URLs...
+
+ `)
+}
+
+func main() {
+	var page string
+	fichero := flag.String("f", "", "File with urls")
+	web := flag.String("u", "", "Only one url")
+	flag.Parse()
+	client := http.Client{Timeout: 10 * time.Second}
+	// Check there are at least 2 args.
+	if len(os.Args) < 2 {
+		fmt.Println(`
+Parameters:
+-f File with URLs to check.
+-u URL to check.
+
+Examples to check file with URLs:
+fbroken -f urls.txt 
+
+Example to check URL:
+fbroken -u https://domain.xxx
+		`)
+		os.Exit(1)
+	}
+
+	switch os.Args[1] {
+	case "-f":
+		lanomalie()
+		// Open file and check URLs
+		file, err := os.Open(*fichero)
+		if err != nil {
+			fmt.Print("Error opening the file")
+		}
+		defer file.Close()
+		scanner := bufio.NewScanner(file)
+		for scanner.Scan() {
+			page = scanner.Text()
+			go checkUrl(page, client, &wg)
+			wg.Add(1)
+		}
+
+	case "-u":
+		lanomalie()
+		// Check directly the URL.
+		go checkUrl(*web, client, &wg)
+		wg.Add(1)
+	default:
+		fmt.Println("-f or -u expected")
+		os.Exit(1)
+	}
+	wg.Wait()
+
+}