Initial commit

README.md

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+<h1 align="center"> UnChain </h1> <br>
+<p align="center">
+  <a>
+    <img src="img.png" width="500" height="600">
+  </a>
+</p>
+
+<p align="center">
+  A tool to find redirection chains in multiple URLs
+</p>
+
+
+
+## Introduction
+
+<p>
+  UnChain automates process of finding and following `30X` redirects by extracting "Location" header of HTTP responses.
+</p>
+
+## Usage
+
+Specify a single address (or a file containing URLs) using `-u/--url` flag.
+
+

unchain.go

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+package main
+
+import(
+    "fmt"
+    "os"
+    "net/http"
+    "strings"
+    "github.com/akamensky/argparse"
+	"github.com/olekukonko/tablewriter"
+    "github.com/fatih/color"
+    "github.com/common-nighthawk/go-figure"
+    . "github.com/redcode-labs/Coldfire"
+)
+
+func find_redirects(url string){
+    if !strings.Contains(url, "https://") && !strings.Contains(url, "http:"){
+        url = "https://"+url
+    }
+    table_data := [][]string{}
+    next_url := url
+    for i := 0; i < 50; i++{
+        redir := &http.Client{CheckRedirect: func(req *http.Request, via []*http.Request) error {
+            return http.ErrUseLastResponse }}
+        res, err := redir.Get(next_url)
+        if err != nil{
+            PrintError(err.Error())
+        }
+        next_url = res.Header.Get("Location")
+        sc := IntToStr(res.StatusCode)
+        url_color := Red
+        u := next_url
+        if sc == "200"{
+            url_color = Green
+            u = url
+        }
+        id := IntToStr(i)
+        table_data = append(table_data, []string{id, url_color(u), sc})
+        if sc == "200"{
+            break
+        }
+    }
+	table := tablewriter.NewWriter(os.Stdout)
+	table.SetHeader([]string{"ID", "URL", "STATUS CODE"})
+	table.SetAutoWrapText(false)
+	table.SetCenterSeparator("*")
+	table.SetAlignment(tablewriter.ALIGN_CENTER)
+	table.SetRowSeparator("-")
+	for v := range table_data {
+		table.Append(table_data[v])
+	}
+    if len(table_data) != 0{
+        fmt.Println("")
+        PrintInfo("URL => "+url)
+	    table.Render()
+        fmt.Println("")
+    }
+}
+
+func print_banner(){
+    banner := figure.NewFigure("UnChain", "", true)
+    color.Set(color.FgMagenta)
+	fmt.Println("")
+    banner.Print()
+    color.Unset()
+	fmt.Println("")
+    fmt.Println(F("\tCreated by: redcodelabs.io "+Red("<*>")))
+	fmt.Println("")
+}
+
+func main(){
+    print_banner()
+    parser := argparse.NewParser("unchain", "")
+    var URLS *string = parser.String("u", "url", &argparse.Options{Required: true, Help: "File containing urls or a single url"})
+    err := parser.Parse(os.Args)
+    ExitOnError(err)
+    urls := []string{}
+    if Exists(*URLS){
+        urls = FileToSlice(*URLS)
+    } else{
+        urls = []string{*URLS}
+    }
+    for _, u := range urls{
+        find_redirects(u)
+    }
+}