early return if user not found

Signed-off-by: Hadi <[email protected]>

README.md

@@ -98,7 +98,7 @@ nix run github:anotherhadi/github-recon -- [--flags value] target_username_or_em
 
 # then add it to your packages
 environment.systemPackages = with pkgs; [ # or home.packages
-  github-recon
+  inputs.github-recon.defaultPackage.${pkgs.system}
 ];
 ```
 
@@ -123,7 +123,7 @@ github-recon [--flags value] target_username_or_email
     --trufflehog             Run trufflehog on cloned repositories (only for deep scan) (default true)
 -S, --silent                 Suppress all non-essential output
     --spoof-email            Spoof email (only for email mode) (default true)
--a, --hide-avatar            Hide the avatar in the output
+-a, --print-avatar           Show the avatar in the output
 -j, --json string            Write results to specified JSON file
 ```
 

cmd/main.go

@@ -1,6 +1,8 @@
 package main
 
 import (
+	"log"
+
 	recon_email "github.com/anotherhadi/github-recon/github-recon/email"
 	recon_username "github.com/anotherhadi/github-recon/github-recon/username"
 	github_recon_settings "github.com/anotherhadi/github-recon/settings"
@@ -8,7 +10,10 @@ import (
 )
 
 func main() {
-	settings := github_recon_settings.GetSettings()
+	settings, err := github_recon_settings.GetSettings()
+	if err != nil {
+		log.Fatal(err)
+	}
 
 	if !settings.Silent {
 		utils.Header()
@@ -23,7 +28,10 @@ func main() {
 	}
 
 	if settings.TargetType == github_recon_settings.TargetUsername {
-		result := recon_username.Username(settings)
+		result, err := recon_username.Username(settings)
+		if err != nil {
+			log.Fatal(err)
+		}
 		writeJson(settings, result)
 	} else {
 		result := recon_email.Email(settings)

github-recon/email/main.go

@@ -13,7 +13,7 @@ type EmailResult struct {
 	TargetType github_recon_settings.TargetType
 
 	Commits  CommitsResult
-	Spoofing SpoofingResult
+	Spoofing *SpoofingResult
 }
 
 func Email(settings github_recon_settings.Settings) EmailResult {
@@ -33,7 +33,7 @@ func Email(settings github_recon_settings.Settings) EmailResult {
 		} else {
 			utils.PrintTitle(settings.Silent, "🎭 Spoofing test")
 			result.Spoofing = Spoofing(settings)
-			if result.Spoofing.AvatarURL != "" {
+			if result.Spoofing != nil && result.Spoofing.AvatarURL != "" {
 				utils.PrintAvatar(settings, result.Spoofing.AvatarURL)
 			}
 			utils.PrintStruct(settings, result.Spoofing, 0)

github-recon/email/spoofing.go

@@ -2,6 +2,7 @@ package recon
 
 import (
 	"math/rand"
+	"time"
 
 	github_recon_settings "github.com/anotherhadi/github-recon/settings"
 	"github.com/anotherhadi/github-recon/utils"
@@ -26,7 +27,8 @@ func RandomString(n int) string {
 	return string(b)
 }
 
-func Spoofing(s github_recon_settings.Settings) (response SpoofingResult) {
+func Spoofing(s github_recon_settings.Settings) (response *SpoofingResult) {
+	response = &SpoofingResult{}
 	name := "gh-recon-spoofing-" + RandomString(8)
 	private := true
 	autoInit := true
@@ -41,6 +43,13 @@ func Spoofing(s github_recon_settings.Settings) (response SpoofingResult) {
 	}
 	utils.WaitForRateLimit(s, resp)
 
+	defer func() {
+		_, err = s.Client.Repositories.Delete(s.Ctx, repo.Owner.GetLogin(), name)
+		if err != nil {
+			s.Logger.Error("Error while deleting repo", "err", err)
+		}
+	}()
+
 	branch := repo.GetDefaultBranch()
 	if branch == "" {
 		branch = "main"
@@ -57,7 +66,6 @@ func Spoofing(s github_recon_settings.Settings) (response SpoofingResult) {
 	ref, resp, err := s.Client.Git.GetRef(s.Ctx, repo.Owner.GetLogin(), name, refName)
 	if err != nil {
 		s.Logger.Error("Error while getting ref", "err", err)
-		s.Logger.Warn("The temp repo was left undeleted", "repo", repo.GetHTMLURL())
 		return
 	}
 	utils.WaitForRateLimit(s, resp)
@@ -65,7 +73,6 @@ func Spoofing(s github_recon_settings.Settings) (response SpoofingResult) {
 	parentCommit, resp, err := s.Client.Git.GetCommit(s.Ctx, repo.Owner.GetLogin(), name, ref.GetObject().GetSHA())
 	if err != nil {
 		s.Logger.Error("Error while getting parent commit", "err", err)
-		s.Logger.Warn("The temp repo was left undeleted", "repo", repo.GetHTMLURL())
 		return
 	}
 	utils.WaitForRateLimit(s, resp)
@@ -81,7 +88,6 @@ func Spoofing(s github_recon_settings.Settings) (response SpoofingResult) {
 	newCommit, resp, err := s.Client.Git.CreateCommit(s.Ctx, repo.Owner.GetLogin(), name, commit, nil)
 	if err != nil {
 		s.Logger.Error("Error while creating spoofed empty commit", "err", err)
-		s.Logger.Warn("The temp repo was left undeleted", "repo", repo.GetHTMLURL())
 		return
 	}
 	utils.WaitForRateLimit(s, resp)
@@ -90,31 +96,35 @@ func Spoofing(s github_recon_settings.Settings) (response SpoofingResult) {
 	_, resp, err = s.Client.Git.UpdateRef(s.Ctx, repo.Owner.GetLogin(), name, ref, false)
 	if err != nil {
 		s.Logger.Error("Error while updating ref to spoofed commit", "err", err)
-		s.Logger.Warn("The temp repo was left undeleted", "repo", repo.GetHTMLURL())
 		return
 	}
 	utils.WaitForRateLimit(s, resp)
 
+	const maxRetries = 5
+	const retryDelay = 2 * time.Second
+	for i := 0; i < maxRetries; i++ {
 		commits, _, err := s.Client.Repositories.ListCommits(s.Ctx, repo.Owner.GetLogin(), name, nil)
 		if err != nil {
 			s.Logger.Error("Error while listing commits", "err", err)
-		s.Logger.Warn("The temp repo was left undeleted", "repo", repo.GetHTMLURL())
 			return
 		}
 
-	if len(commits) > 0 {
+		if len(commits) > 1 {
 			last := commits[0]
 			response.Username = last.GetAuthor().GetLogin()
 			response.Name = last.GetAuthor().GetName()
 			response.Email = last.GetAuthor().GetEmail()
 			response.Url = last.GetAuthor().GetHTMLURL()
 			response.AvatarURL = last.GetAuthor().GetAvatarURL()
+			break
 		}
 
-	_, err = s.Client.Repositories.Delete(s.Ctx, repo.Owner.GetLogin(), name)
+		s.Logger.Info("Only one commit found, retrying...", "attempt", i+1)
-	if err != nil {
+		time.Sleep(retryDelay)
-		s.Logger.Error("Error while deleting repo", "err", err)
 	}
 
+	if response.Username == "" && response.Name == "" && response.Email == "" {
+		return nil
+	}
 	return
 }

github-recon/username/close-friends.go

@@ -13,7 +13,11 @@ import (
 type CloseFriendsResult []CloseFriendResult
 
 type CloseFriendResult struct {
+	Name     string
 	Username string
+	Orgs     []string
+	Company  string
+	Location string
 	Score    int
 }
 
@@ -96,8 +100,12 @@ func CloseFriends(s github_recon_settings.Settings) (results CloseFriendsResult)
 		// Add candidate if they matched at least one condition
 		if score > 0 {
 			results = append(results, CloseFriendResult{
+				Name:     candidateDetails.GetName(),
 				Username: candidateLogin,
+				Orgs:     candidateOrgsToNames(candidateOrgs),
 				Score:    score,
+				Location: candidateDetails.GetLocation(),
+				Company:  candidateDetails.GetCompany(),
 			})
 		}
 	}
@@ -130,6 +138,15 @@ func checkIfUserFollows(s github_recon_settings.Settings, sourceUser, targetUser
 	}
 	return isFollowing, nil
 }
+func candidateOrgsToNames(orgs []*github.Organization) []string {
+	var orgNames []string
+	for _, org := range orgs {
+		if org.GetLogin() != "" {
+			orgNames = append(orgNames, org.GetLogin())
+		}
+	}
+	return orgNames
+}
 
 func getOrgs(s github_recon_settings.Settings, user string) ([]*github.Organization, error) {
 	orgs, resp, err := s.Client.Organizations.List(s.Ctx, user, nil)

github-recon/username/deep.go

@@ -139,6 +139,11 @@ func DeepScan(s github_recon_settings.Settings) (response DeepScanResult) {
 	}
 	s.Logger.Info("Cloned all repositories", "path", tmp_folder)
 
+	if len(repositories) == 0 {
+		s.Logger.Info("No repositories found for the user, skipping deep scan.")
+		return
+	}
+
 	authorOccurrences := Authors{}
 	mapAuthorToIndex := make(map[string]int)
 	for _, repo := range repositories {
@@ -202,7 +207,7 @@ func DeepScan(s github_recon_settings.Settings) (response DeepScanResult) {
 							Name:        authorName,
 							Email:       authorEmail,
 							FoundIn:     []string{repoIdentifier},
-							Levenshtein: utils.LevenshteinDistance(s.Target, authorName),
+							Levenshtein: levenshteinDistanceAuthor(s.Target, authorName, authorEmail),
 						})
 						mapAuthorToIndex[trimmedLine] = len(authorOccurrences) - 1
 					}
@@ -334,13 +339,13 @@ func findEmailsAndOccurrencesInDir(rootPath string, username string) (Emails, er
 		if err != nil {
 			return err
 		}
-		if !d.IsDir() {
+		if d.Type().IsRegular() {
 			if strings.Contains(path, ".git/logs/") {
 				return nil
 			}
 			content, err := os.ReadFile(path)
 			if err != nil {
-				return err
+				return nil
 			}
 
 			currentFileEmails := emailRegex.FindAllString(string(content), -1)
@@ -380,3 +385,10 @@ func findEmailsAndOccurrencesInDir(rootPath string, username string) (Emails, er
 
 	return results, nil
 }
+
+func levenshteinDistanceAuthor(target, name, email string) int {
+	if strings.Contains(email, "@") {
+		email = strings.SplitN(email, "@", 2)[0]
+	}
+	return slices.Min([]int{utils.LevenshteinDistance(target, name), utils.LevenshteinDistance(target, email)})
+}

github-recon/username/main.go

@@ -27,16 +27,21 @@ type UsernameResult struct {
 	DeepScan DeepScanResult
 }
 
-func Username(settings github_recon_settings.Settings) UsernameResult {
+func Username(settings github_recon_settings.Settings) (result UsernameResult, err error) {
-
+	result = UsernameResult{
-	result := UsernameResult{
 		Target:     settings.Target,
 		TargetType: settings.TargetType,
 		DateTime:   time.Now().String(),
 	}
 
 	utils.PrintTitle(settings.Silent, "👤 User informations")
-	result.User = User(settings)
+	result.User, err = User(settings)
+	if err != nil {
+		return
+	}
+	if result.User == (UserResult{}) {
+		return
+	}
 	utils.PrintAvatar(settings, result.User.AvatarURL)
 	utils.PrintStruct(settings, result.User, 0)
 
@@ -74,5 +79,5 @@ func Username(settings github_recon_settings.Settings) UsernameResult {
 		utils.PrintStruct(settings, result.DeepScan, 0)
 	}
 
-	return result
+	return
 }

github-recon/username/user.go

@@ -31,13 +31,13 @@ type UserResult struct {
 	Plan              string
 }
 
-func User(s github_recon_settings.Settings) (response UserResult) {
+func User(s github_recon_settings.Settings) (response UserResult, err error) {
 	user, resp, err := s.Client.Users.Get(s.Ctx, s.Target)
 	if resp.StatusCode == 404 {
-		s.Logger.Fatal("User not found with username")
+		return UserResult{}, nil
 	}
 	if err != nil {
-		s.Logger.Fatal("Failed to fetch user's information", "err", err)
+		return UserResult{}, fmt.Errorf("failed to fetch user's information")
 	}
 
 	u := UserResult{
@@ -65,5 +65,5 @@ func User(s github_recon_settings.Settings) (response UserResult) {
 	}
 
 	utils.WaitForRateLimit(s, resp)
-	return u
+	return u, nil
 }

settings/settings.go

@@ -32,7 +32,7 @@ type Settings struct {
 	Silent        bool
 	DeepScan      bool
 	MaxDistance   int
-	HideAvatar    bool
+	PrintAvatar   bool
 	SpoofEmail    bool
 	Trufflehog    bool
 
@@ -55,7 +55,7 @@ func GetDefaultSettings() Settings {
 		Silent:        false,
 		DeepScan:      false,
 		MaxDistance:   20,
-		HideAvatar:    false,
+		PrintAvatar:   true,
 		SpoofEmail:    true,
 		Trufflehog:    true,
 
@@ -68,7 +68,7 @@ func GetDefaultSettings() Settings {
 	}
 }
 
-func GetSettings() (settings Settings) {
+func GetSettings() (settings Settings, err error) {
 	settings = GetDefaultSettings()
 	//// Flag settings
 	flag.Usage = func() {
@@ -83,55 +83,55 @@ func GetSettings() (settings Settings) {
 	flag.CommandLine.SortFlags = false
 
 	//// Flags
-	flag.StringVarP(&settings.Token, "token", "t", "null", "Github personal access token (e.g. ghp_aaa...). Can also be set via GITHUB_RECON_TOKEN environment variable. You also need to set the token in $HOME/.config/github-recon/env file if you want to use this tool without passing the token every time.")
+	flag.StringVarP(&settings.Token, "token", "t", settings.Token, "Github personal access token (e.g. ghp_aaa...). Can also be set via GITHUB_RECON_TOKEN environment variable. You also need to set the token in $HOME/.config/github-recon/env file if you want to use this tool without passing the token every time.")
 
 	// DeepScan
-	flag.BoolVarP(&settings.DeepScan, "deepscan", "d", false, "Enable deep scan (clone repos, regex search, analyse licenses, etc.)")
+	flag.BoolVarP(&settings.DeepScan, "deepscan", "d", settings.DeepScan, "Enable deep scan (clone repos, regex search, analyse licenses, etc.)")
 	flag.IntVar(
 		&settings.MaxRepoSize,
 		"max-size",
-		150,
+		settings.MaxRepoSize,
 		"Limit the size of repositories to scan (in MB) (only for deep scan)",
 	)
 	flag.StringSliceVarP(
 		&settings.ExcludedRepos,
 		"exclude-repo",
 		"e",
-		[]string{},
+		settings.ExcludedRepos,
 		"Exclude repos from deep scan (comma-separated list, only for deep scan)",
 	)
 	flag.BoolVarP(
 		&settings.Refresh,
 		"refresh",
 		"r",
-		false,
+		settings.Refresh,
 		"Refresh the cache (only for deep scan)",
 	)
 	flag.BoolVarP(
 		&settings.ShowSource,
 		"show-source",
 		"s",
-		false,
+		settings.ShowSource,
 		"Show where the information (authors, emails, etc) were found (only for deep scan)",
 	)
 	flag.IntVarP(
 		&settings.MaxDistance,
 		"max-distance",
 		"m",
-		20,
+		settings.MaxDistance,
 		"Maximum Levenshtein distance for matching usernames & emails (only for deep scan)",
 	)
 	flag.BoolVar(
 		&settings.Trufflehog,
 		"trufflehog",
-		true,
+		settings.Trufflehog,
 		"Run trufflehog on cloned repositories (only for deep scan)",
 	)
 
-	flag.BoolVarP(&settings.Silent, "silent", "S", false, "Suppress all non-essential output")
+	flag.BoolVarP(&settings.Silent, "silent", "S", settings.Silent, "Suppress all non-essential output")
-	flag.BoolVarP(&settings.SpoofEmail, "spoof-email", "", true, "Spoof email (only for email mode)")
+	flag.BoolVarP(&settings.SpoofEmail, "spoof-email", "", settings.SpoofEmail, "Spoof email (only for email mode)")
-	flag.BoolVarP(&settings.HideAvatar, "hide-avatar", "a", false, "Hide the avatar in the output")
+	flag.BoolVarP(&settings.PrintAvatar, "print-avatar", "a", settings.PrintAvatar, "Show the avatar in the output")
-	flag.StringVarP(&settings.JsonOutput, "json", "j", "", "Write results to specified JSON file")
+	flag.StringVarP(&settings.JsonOutput, "json", "j", settings.JsonOutput, "Write results to specified JSON file")
 
 	//// Parse
 	flag.Parse()
@@ -152,7 +152,7 @@ func GetSettings() (settings Settings) {
 	settings.Target = strings.TrimPrefix(settings.Target, "@") // Remove the @ of the username
 
 	if strings.Contains(settings.Target, " ") {
-		settings.Logger.Fatal("Target cannot contain spaces")
+		err = fmt.Errorf("target cannot contain spaces")
 	}
 
 	if strings.Contains(settings.Target, "@") {
@@ -163,7 +163,7 @@ func GetSettings() (settings Settings) {
 
 	// If token is not set via flag, get it from env
 	if settings.Token == "null" || settings.Token == "" {
-		settings.Token = getToken()
+		settings.Token = GetToken()
 	}
 
 	if settings.Token == "null" || settings.Token == "" {

settings/utils.go

@@ -9,7 +9,8 @@ import (
 	flag "github.com/spf13/pflag"
 )
 
-func getToken() string {
+// GetToken retrieves the GitHub token from the environment variable or config file
+func GetToken() string {
 	token := os.Getenv("GITHUB_RECON_TOKEN")
 	if token != "" {
 		return token

utils/print.go

@@ -57,7 +57,9 @@ func PrintStruct(settings github_recon_settings.Settings, s any, indent int) {
 		for i := 0; i < v.NumField(); i++ {
 			field := t.Field(i).Name
 			value := v.Field(i)
-
+			if !value.CanInterface() {
+				continue
+			}
 			if !value.IsValid() || (value.Kind() == reflect.String && value.String() == "") {
 				continue
 			}
@@ -143,7 +145,7 @@ func PrintTitle(silent bool, title string) {
 }
 
 func PrintAvatar(settings github_recon_settings.Settings, url string) {
-	if settings.HideAvatar || url == "" || settings.Silent {
+	if !settings.PrintAvatar || url == "" || settings.Silent {
 		return
 	}