Added PassiveTotal Support. Resolves #2

config.json

@@ -1,3 +1,6 @@
 {
-	"virustotalapikey":""
+	"virustotalApikey":"",
+
+	"passivetotalUsername":"",
+	"passivetotalKey":""
 }

libsubfinder/engines/passive/passive.go

@@ -21,6 +21,7 @@ import (
 	"subfinder/libsubfinder/sources/hackertarget"
 	"subfinder/libsubfinder/sources/findsubdomains"
 	"subfinder/libsubfinder/sources/dnsdumpster"
+	"subfinder/libsubfinder/sources/passivetotal"
 	"subfinder/libsubfinder/sources/threatcrowd"
 	"subfinder/libsubfinder/sources/virustotal"
 	"subfinder/libsubfinder/sources/netcraft"
@@ -35,11 +36,12 @@ func PassiveDiscovery(state *helper.State) (finalPassiveSubdomains []string) {
 	fmt.Printf("\n[-] Searching For Subdomains in Threatcrowd")
 	fmt.Printf("\n[-] Searching For Subdomains in Findsubdomains")
 	fmt.Printf("\n[-] Searching For Subdomains in DNSDumpster")
+	fmt.Printf("\n[-] Searching For Subdomains in PassiveTotal")
 	fmt.Printf("\n[-] Searching For Subdomains in Hackertarget")
 	fmt.Printf("\n[-] Searching For Subdomains in Virustotal")
 	fmt.Printf("\n[-] Searching For Subdomains in Netcraft\n")
 
-	ch := make(chan helper.Result, 8)
+	ch := make(chan helper.Result, 9)
 
 	// Create goroutines for added speed and recieve data via channels
 	go crtsh.Query(state, ch)
@@ -47,12 +49,13 @@ func PassiveDiscovery(state *helper.State) (finalPassiveSubdomains []string) {
 	go hackertarget.Query(state, ch)
 	go findsubdomains.Query(state, ch)
 	go dnsdumpster.Query(state, ch)
+	go passivetotal.Query(state, ch)
 	go threatcrowd.Query(state, ch)
 	go virustotal.Query(state, ch)
 	go netcraft.Query(state, ch)
 
 	// recieve data from all goroutines running
-	for i := 1; i <= 8; i++ {
+	for i := 1; i <= 9; i++ {
 		result := <-ch
 
 		if result.Error != nil {

libsubfinder/helper/state.go

@@ -26,7 +26,10 @@ type State struct {
 }
 
 type Config struct {
-	VirustotalAPIKey	string	`json:"virustotalapikey"`		// Virustotal API Key
+	VirustotalAPIKey		string	`json:"virustotalApikey"`		// Virustotal API Key
+
+	PassivetotalUsername 	string  `json:"passivetotalUsername"`	// PassiveTotal Username (Email Address)
+	PassivetotalKey			string	`json:"passivetotalKey"`		// PassiveTotal api key 
 }
 
 func InitState() (state State, err error) {

libsubfinder/sources/passivetotal/passivetotal.go

@@ -0,0 +1,101 @@
+// 
+// passivetotal.go : A golang client for Passive total Subdomain Discovery
+// Written By : @ice3man (Nizamul Rana)
+// 
+// Distributed Under MIT License
+// Copyrights (C) 2018 Ice3man
+//
+
+package passivetotal
+
+import (
+	"io/ioutil"
+	"fmt"
+	"encoding/json"
+	"net/http"
+	"bytes"
+
+	"subfinder/libsubfinder/helper"
+)
+
+type passivetotal_object struct {
+	Subdomains	[]string `json:"subdomains"`
+}
+
+var passivetotal_data passivetotal_object
+
+// all subdomains found
+var subdomains []string
+
+// 
+// Query : Queries awesome Passivetotal Service for Subdomains
+// @param state : Current application state
+//
+func Query(state *helper.State, ch chan helper.Result) {
+
+	var result helper.Result
+
+	// We have recieved an API Key
+	// Now, we will use Virustotal API key to fetch subdomain info
+	if state.ConfigState.PassivetotalUsername != ""  && state.ConfigState.PassivetotalKey != "" {
+
+		// Get credentials for performing HTTP Basic Auth
+		username := state.ConfigState.PassivetotalUsername
+		key := state.ConfigState.PassivetotalKey
+
+		// Create JSON Get body
+		var request = []byte(`{"query":"`+state.Domain+`"}`)
+
+		client := &http.Client{}
+    	req, err := http.NewRequest("GET", "https://api.passivetotal.org/v2/enrichment/subdomains", bytes.NewBuffer(request))
+    	req.SetBasicAuth(username, key)
+
+    	// Set content type as application/json
+    	req.Header.Set("Content-Type", "application/json")
+
+    	resp, err := client.Do(req)
+		if err != nil {
+			result.Subdomains = subdomains
+			result.Error = err
+			ch <- result
+			return
+		}
+
+		// Get the response body
+		body, err := ioutil.ReadAll(resp.Body)
+		if err != nil {
+			result.Subdomains = subdomains
+			result.Error = err
+			ch <- result
+			return
+		}
+
+		// Decode the json format
+		err = json.Unmarshal([]byte(body), &passivetotal_data)
+		if err != nil {
+			result.Subdomains = subdomains
+			result.Error = err
+			ch <- result
+			return
+		}
+
+		// Append each subdomain found to subdomains array
+		for _, subdomain := range passivetotal_data.Subdomains {
+			finalSubdomain := subdomain+"."+state.Domain
+
+			if state.Verbose == true {
+				if state.Color == true {
+					fmt.Printf("\n[%sPASSIVETOTAL%s] %s", helper.Red, helper.Reset, finalSubdomain)
+				} else {
+					fmt.Printf("\n[PASSIVETOTAL] %s", finalSubdomain)
+				}
+			}
+
+			subdomains = append(subdomains, finalSubdomain)
+		}
+
+		result.Subdomains = subdomains
+		result.Error = nil
+		ch <-result
+	}
+}

libsubfinder/sources/virustotal/virustotal.go

@@ -102,4 +102,11 @@ func Query(state *helper.State, ch chan helper.Result) {
 		result.Error = nil
 		ch <-result
 	}
+
+	var subdomains []string
+	
+	result.Subdomains = subdomains
+	result.Error = nil
+	ch <- result
+	return
 }