Merge pull request #24 from boringtools/dev-nikhil

Added unauthenticated scan feature

README.md

@@ -35,7 +35,7 @@ brew install boringtools/tap/git-alerts
 go install github.com/boringtools/git-alerts@main
 ```
 
-Setup GitHub personal access token [(PAT)](https://github.com/boringtools/git-alerts/blob/main/docs/github.md) as the environment variable
+Setup GitHub personal access token [(PAT)](https://github.com/boringtools/git-alerts/blob/main/docs/github.md) as the environment variable, without PAT GitHub will only allow `60` request per hour.
 
 ```bash
 export GITHUB_PAT=YOUR_GITHUB_PAT

common/common.go

@@ -8,6 +8,10 @@ import (
 	"github.com/boringtools/git-alerts/logger"
 )
 
+var (
+	Auth bool
+)
+
 func GetTime() (date string) {
 	time := time.Now()
 	date = time.Format("Mon Jan 2 15:04:05 MST 2006")
@@ -25,9 +29,8 @@ func StartChecks() {
 	_, isGitHubPat := os.LookupEnv("GITHUB_PAT")
 	_, isSlackHook := os.LookupEnv("SLACK_HOOK")
 
-	if !isGitHubPat {
-		logger.LogERR("GITHUB_PAT is not configured in ENV variable")
-		os.Exit(1)
+	if isGitHubPat {
+		Auth = true
 	}
 
 	if os.Getenv("slack") == "true" {

gh/get_org_users.go

@@ -5,6 +5,7 @@ import (
 	"os"
 	"strconv"
 
+	"github.com/boringtools/git-alerts/common"
 	"github.com/boringtools/git-alerts/config"
 	"github.com/boringtools/git-alerts/logger"
 )
@@ -32,7 +33,7 @@ func GetUsers() (jsonData []byte) {
 	parameters := map[string]string{
 		"per_page": "100",
 	}
-	ghResponse, pageLength := GetResponse(url, parameters)
+	ghResponse, pageLength := GetResponse(url, common.Auth, parameters)
 
 	if pageLength == 0 {
 
@@ -47,7 +48,7 @@ func GetUsers() (jsonData []byte) {
 	} else {
 		for i := 1; i <= pageLength; i++ {
 			parameters["page"] = strconv.Itoa(i)
-			ghResponse, _ := GetResponse(url, parameters)
+			ghResponse, _ := GetResponse(url, common.Auth, parameters)
 
 			json.Unmarshal(ghResponse, &user)
 			allUsers = append(allUsers, user...)

gh/get_pat_limit.go

@@ -5,6 +5,7 @@ import (
 	"os"
 	"time"
 
+	"github.com/boringtools/git-alerts/common"
 	"github.com/boringtools/git-alerts/config"
 	"github.com/boringtools/git-alerts/logger"
 )
@@ -24,7 +25,7 @@ func CheckPatLimit() {
 	url := config.GhUrls()[1]
 	parameters := map[string]string{}
 
-	ghResponse, _ := GetResponse(url, parameters)
+	ghResponse, _ := GetResponse(url, common.Auth, parameters)
 	json.Unmarshal(ghResponse, &limit)
 
 	remaining := limit.Rate.Remaining
@@ -33,12 +34,13 @@ func CheckPatLimit() {
 	date := time.Format("Mon Jan 2 15:04:05 MST 2006")
 
 	if remaining <= 10 {
-		logger.LogERR("GitHub PAT limit exceeded")
-		logger.LogERR("Please try once the limit reset")
+		logger.LogERR("GitHub request limit exceeded")
+		logger.LogERR("Please try again once the limit reset or try with GitHub PAT")
+		logger.LogERRP("Remaining request limit : ", remaining)
 		logger.LogERRP("Reset time : ", date)
 		os.Exit(1)
 	}
 
-	logger.LogP("Remaining PAT limit : ", remaining)
+	logger.LogP("Remaining request limit : ", remaining)
 
 }

gh/get_response.go

@@ -16,7 +16,7 @@ var (
 	pageLength int
 )
 
-func GetResponse(ghURL string, params map[string]string) ([]byte, int) {
+func GetResponse(ghURL string, auth bool, params map[string]string) ([]byte, int) {
 
 	parameters := url.Values{}
 
@@ -28,14 +28,17 @@ func GetResponse(ghURL string, params map[string]string) ([]byte, int) {
 	client := &http.Client{}
 
 	request, errRequest := http.NewRequest("GET", fullURL, nil)
-	pat := "token " + os.Getenv("GITHUB_PAT")
 
 	if errRequest != nil {
 		logger.LogERR("GetResponse - Error in making HTTP calls to GitHub")
 		panic(errRequest)
 	}
 
-	request.Header.Add("Authorization", pat)
+	if auth {
+		pat := "token " + os.Getenv("GITHUB_PAT")
+		request.Header.Add("Authorization", pat)
+	}
+
 	response, errResponse := client.Do(request)
 
 	if errResponse != nil {

gh/get_users_repos.go

@@ -44,7 +44,7 @@ func GetUsersRepos() (jsonData []byte) {
 	}
 	for _, value := range rURL {
 
-		usersRepo, _ := GetResponse(value.URL, parameters)
+		usersRepo, _ := GetResponse(value.URL, common.Auth, parameters)
 
 		json.Unmarshal(usersRepo, &repos)
 		allRepos = append(allRepos, repos...)