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Added the --proxy argument to pass custom proxy address #30

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Added the --proxy argument to pass custom proxy address #30

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19 changes: 17 additions & 2 deletions pkg/shortscan/shortscan.go
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Original file line number Diff line number Diff line change
Expand Up @@ -141,6 +141,7 @@ type arguments struct {
Urls []string `arg:"positional,required" help:"url to scan (multiple URLs can be provided; a file containing URLs can be specified with an «at» prefix, for example: @urls.txt)" placeholder:"URL"`
Wordlist string `arg:"-w" help:"combined wordlist + rainbow table generated with shortutil" placeholder:"FILE"`
Headers []string `arg:"--header,-H,separate" help:"header to send with each request (use multiple times for multiple headers)"`
Proxy string `arg:"--proxy" help:"proxy server to use for requests (e.g., http://127.0.0.1:8080)" placeholder:"PROXY"`
Concurrency int `arg:"-c" help:"number of requests to make at once" default:"20"`
Timeout int `arg:"-t" help:"per-request timeout in seconds" placeholder:"SECONDS" default:"10"`
Output string `arg:"-o" help:"output format (human = human readable; json = JSON)" placeholder:"format" default:"human"`
Expand Down Expand Up @@ -1105,10 +1106,24 @@ func Run() {
log.SetLevel(log.WarnLevel)
}

// Build an HTTP client
// Build an HTTP client with optional custom proxy
var proxyFunc func(*http.Request) (*nurl.URL, error)
if args.Proxy != "" {
// Parse the proxy URL
proxyURL, err := nurl.Parse(args.Proxy)
if err != nil {
log.WithFields(log.Fields{"proxy": args.Proxy, "err": err}).Fatal("Unable to parse proxy URL")
}
log.WithFields(log.Fields{"proxy": args.Proxy}).Info("Using custom proxy")
proxyFunc = http.ProxyURL(proxyURL)
} else {
// Use environment variables if no custom proxy specified
proxyFunc = http.ProxyFromEnvironment
}

hc := &http.Client{
Timeout: time.Duration(args.Timeout) * time.Second,
Transport: &http.Transport{TLSClientConfig: &tls.Config{InsecureSkipVerify: true, Renegotiation: tls.RenegotiateOnceAsClient}, Proxy: http.ProxyFromEnvironment},
Transport: &http.Transport{TLSClientConfig: &tls.Config{InsecureSkipVerify: true, Renegotiation: tls.RenegotiateOnceAsClient}, Proxy: proxyFunc},
CheckRedirect: func(req *http.Request, via []*http.Request) error { return http.ErrUseLastResponse },
}

Expand Down