mirror of
https://github.com/OJ/gobuster.git
synced 2024-05-24 15:56:01 +02:00
307 lines
7.1 KiB
Go
307 lines
7.1 KiB
Go
package gobusterdir
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import (
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"bufio"
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"bytes"
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"context"
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"errors"
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"fmt"
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"strings"
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"text/tabwriter"
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"github.com/OJ/gobuster/v3/libgobuster"
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"github.com/google/uuid"
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)
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// ErrWildcard is returned if a wildcard response is found
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var ErrWildcard = errors.New("wildcard found")
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// GobusterDir is the main type to implement the interface
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type GobusterDir struct {
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options *OptionsDir
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globalopts *libgobuster.Options
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http *libgobuster.HTTPClient
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}
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// GetRequest issues a GET request to the target and returns
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// the status code, length and an error
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func (d *GobusterDir) get(url string) (*int, *int64, error) {
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return d.http.Get(url, "", d.options.Cookies)
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}
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// NewGobusterDir creates a new initialized GobusterDir
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func NewGobusterDir(cont context.Context, globalopts *libgobuster.Options, opts *OptionsDir) (*GobusterDir, error) {
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if globalopts == nil {
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return nil, fmt.Errorf("please provide valid global options")
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}
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if opts == nil {
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return nil, fmt.Errorf("please provide valid plugin options")
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}
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g := GobusterDir{
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options: opts,
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globalopts: globalopts,
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}
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httpOpts := libgobuster.HTTPOptions{
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Proxy: opts.Proxy,
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FollowRedirect: opts.FollowRedirect,
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InsecureSSL: opts.InsecureSSL,
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Timeout: opts.Timeout,
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Username: opts.Username,
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Password: opts.Password,
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UserAgent: opts.UserAgent,
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}
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h, err := libgobuster.NewHTTPClient(cont, &httpOpts)
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if err != nil {
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return nil, err
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}
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g.http = h
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return &g, nil
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}
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// PreRun is the pre run implementation of gobusterdir
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func (d *GobusterDir) PreRun() error {
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// add trailing slash
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if !strings.HasSuffix(d.options.URL, "/") {
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d.options.URL = fmt.Sprintf("%s/", d.options.URL)
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}
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_, _, err := d.get(d.options.URL)
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if err != nil {
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return fmt.Errorf("unable to connect to %s: %v", d.options.URL, err)
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}
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guid := uuid.New()
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url := fmt.Sprintf("%s%s", d.options.URL, guid)
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wildcardResp, _, err := d.get(url)
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if err != nil {
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return err
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}
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if d.options.StatusCodesParsed.Contains(*wildcardResp) && !d.options.WildcardForced {
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return ErrWildcard
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}
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return nil
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}
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// Run is the process implementation of gobusterdir
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func (d *GobusterDir) Run(word string) ([]libgobuster.Result, error) {
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suffix := ""
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if d.options.UseSlash {
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suffix = "/"
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}
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// Try the DIR first
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url := fmt.Sprintf("%s%s%s", d.options.URL, word, suffix)
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dirResp, dirSize, err := d.get(url)
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if err != nil {
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return nil, err
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}
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var ret []libgobuster.Result
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if dirResp != nil {
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resultStatus := libgobuster.StatusMissed
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if d.options.StatusCodesParsed.Contains(*dirResp) {
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resultStatus = libgobuster.StatusFound
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}
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if resultStatus == libgobuster.StatusFound || d.globalopts.Verbose {
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ret = append(ret, libgobuster.Result{
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Entity: fmt.Sprintf("%s%s", word, suffix),
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StatusCode: *dirResp,
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Size: dirSize,
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Status: resultStatus,
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})
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}
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}
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// Follow up with files using each ext.
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for ext := range d.options.ExtensionsParsed.Set {
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file := fmt.Sprintf("%s.%s", word, ext)
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url = fmt.Sprintf("%s%s", d.options.URL, file)
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fileResp, fileSize, err := d.get(url)
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if err != nil {
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return nil, err
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}
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if fileResp != nil {
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resultStatus := libgobuster.StatusMissed
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if d.options.StatusCodesParsed.Contains(*fileResp) {
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resultStatus = libgobuster.StatusFound
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}
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if resultStatus == libgobuster.StatusFound || d.globalopts.Verbose {
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ret = append(ret, libgobuster.Result{
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Entity: file,
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StatusCode: *fileResp,
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Size: fileSize,
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Status: resultStatus,
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})
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}
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}
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}
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return ret, nil
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}
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// ResultToString is the to string implementation of gobusterdir
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func (d *GobusterDir) ResultToString(r *libgobuster.Result) (*string, error) {
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buf := &bytes.Buffer{}
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// Prefix if we're in verbose mode
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if d.globalopts.Verbose {
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switch r.Status {
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case libgobuster.StatusFound:
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if _, err := fmt.Fprintf(buf, "Found: "); err != nil {
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return nil, err
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}
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case libgobuster.StatusMissed:
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if _, err := fmt.Fprintf(buf, "Missed: "); err != nil {
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return nil, err
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}
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default:
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return nil, fmt.Errorf("unknown status %d", r.Status)
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}
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}
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if d.options.Expanded {
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if _, err := fmt.Fprintf(buf, "%s", d.options.URL); err != nil {
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return nil, err
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}
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} else {
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if _, err := fmt.Fprintf(buf, "/"); err != nil {
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return nil, err
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}
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}
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if _, err := fmt.Fprintf(buf, "%s", r.Entity); err != nil {
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return nil, err
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}
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if !d.options.NoStatus {
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if _, err := fmt.Fprintf(buf, " (Status: %d)", r.StatusCode); err != nil {
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return nil, err
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}
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}
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if r.Size != nil {
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if _, err := fmt.Fprintf(buf, " [Size: %d]", *r.Size); err != nil {
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return nil, err
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}
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}
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if _, err := fmt.Fprintf(buf, "\n"); err != nil {
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return nil, err
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}
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s := buf.String()
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return &s, nil
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}
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// GetConfigString returns the string representation of the current config
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func (d *GobusterDir) GetConfigString() (string, error) {
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var buffer bytes.Buffer
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bw := bufio.NewWriter(&buffer)
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tw := tabwriter.NewWriter(bw, 0, 5, 3, ' ', 0)
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o := d.options
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if _, err := fmt.Fprintf(tw, "[+] Url:\t%s\n", o.URL); err != nil {
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return "", err
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}
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if _, err := fmt.Fprintf(tw, "[+] Threads:\t%d\n", d.globalopts.Threads); err != nil {
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return "", err
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}
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wordlist := "stdin (pipe)"
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if d.globalopts.Wordlist != "-" {
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wordlist = d.globalopts.Wordlist
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}
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if _, err := fmt.Fprintf(tw, "[+] Wordlist:\t%s\n", wordlist); err != nil {
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return "", err
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}
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if _, err := fmt.Fprintf(tw, "[+] Status codes:\t%s\n", o.StatusCodesParsed.Stringify()); err != nil {
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return "", err
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}
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if o.Proxy != "" {
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if _, err := fmt.Fprintf(tw, "[+] Proxy:\t%s\n", o.Proxy); err != nil {
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return "", err
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}
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}
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if o.Cookies != "" {
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if _, err := fmt.Fprintf(tw, "[+] Cookies:\t%s\n", o.Cookies); err != nil {
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return "", err
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}
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}
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if o.UserAgent != "" {
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if _, err := fmt.Fprintf(tw, "[+] User Agent:\t%s\n", o.UserAgent); err != nil {
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return "", err
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}
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}
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if o.IncludeLength {
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if _, err := fmt.Fprintf(tw, "[+] Show length:\ttrue\n"); err != nil {
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return "", err
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}
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}
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if o.Username != "" {
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if _, err := fmt.Fprintf(tw, "[+] Auth User:\t%s\n", o.Username); err != nil {
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return "", err
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}
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}
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if o.Extensions != "" {
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if _, err := fmt.Fprintf(tw, "[+] Extensions:\t%s\n", o.ExtensionsParsed.Stringify()); err != nil {
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return "", err
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}
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}
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if o.UseSlash {
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if _, err := fmt.Fprintf(tw, "[+] Add Slash:\ttrue\n"); err != nil {
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return "", err
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}
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}
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if o.FollowRedirect {
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if _, err := fmt.Fprintf(tw, "[+] Follow Redir:\ttrue\n"); err != nil {
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return "", err
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}
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}
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if o.Expanded {
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if _, err := fmt.Fprintf(tw, "[+] Expanded:\ttrue\n"); err != nil {
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return "", err
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}
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}
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if o.NoStatus {
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if _, err := fmt.Fprintf(tw, "[+] No status:\ttrue\n"); err != nil {
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return "", err
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}
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}
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if d.globalopts.Verbose {
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if _, err := fmt.Fprintf(tw, "[+] Verbose:\ttrue\n"); err != nil {
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return "", err
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}
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}
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if _, err := fmt.Fprintf(tw, "[+] Timeout:\t%s\n", o.Timeout.String()); err != nil {
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return "", err
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}
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if err := tw.Flush(); err != nil {
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return "", fmt.Errorf("error on tostring: %v", err)
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}
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if err := bw.Flush(); err != nil {
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return "", fmt.Errorf("error on tostring: %v", err)
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}
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return strings.TrimSpace(buffer.String()), nil
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}
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