-
Notifications
You must be signed in to change notification settings - Fork 1
/
httpsverifier.go
178 lines (158 loc) · 4.43 KB
/
httpsverifier.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
package main
import (
"bufio"
"crypto/sha1"
"crypto/x509"
"encoding/json"
"fmt"
"io/ioutil"
"log"
"net/http"
"os"
"os/exec"
"runtime"
"strings"
"github.com/pushc6/httpsverifier/handlers"
"github.com/pushc6/httpsverifier/servicetypes"
)
func handler(w http.ResponseWriter, r *http.Request) {
if r.Body == nil {
log.Println("NOTHING IN THE BODY")
}
decoder := json.NewDecoder(r.Body)
domainsRequested := &servicetypes.FingerprintRequest{}
err := decoder.Decode(domainsRequested)
if err != nil {
fmt.Fprintf(w, "There was a problem processing your request\n")
fmt.Fprintf(w, "Please make requests in the following format\n\n")
test := &servicetypes.FingerprintRequest{Domains: []string{"test.com", "buttfoundry.com"}}
enc := json.NewEncoder(w)
enc.Encode(test)
}
results := &servicetypes.FingerprintResponse{}
for _, domain := range domainsRequested.Domains {
domain = addHTTPS(domain)
client := &http.Client{}
log.Println("Request for fingerprint of domain: ", domain)
req, err := http.NewRequest("GET", domain, nil)
if err != nil {
response := &servicetypes.DomainResult{
Domain: domain,
Fingerprint: "",
Found: false,
}
results.Results = append(results.Results, *response)
continue
}
resp, err := client.Do(req)
if err != nil {
response := &servicetypes.DomainResult{
Domain: domain,
Fingerprint: "",
Found: false,
}
results.Results = append(results.Results, *response)
continue
}
domain = removeHTTPS(domain)
//TODO trim off the http/https/www and make it NAME.TLD
fingerprint := findFingerprint(resp.TLS.PeerCertificates, domain)
response := &servicetypes.DomainResult{
Domain: domain,
Fingerprint: fingerprint,
Found: fingerprint != "",
}
results.Results = append(results.Results, *response)
}
if len(domainsRequested.Domains) != 0 {
jsonEncoder := json.NewEncoder(w)
jsonEncoder.Encode(results)
}
}
func main() {
//CLI Startup
if len(os.Args) > 1 {
if os.Args[1] == "1" {
startupServer()
} else {
startupClient()
}
} else {
reader := bufio.NewReader(os.Stdin)
fmt.Print("Press 1 for remote erver mode, or 2 for client mode (choose this if you want to see if being MITM'd): ")
text, _ := reader.ReadString('\n')
if "1" == strings.TrimSpace(text) {
startupServer()
} else {
startupClient()
//Load server that just shows status of pre-set URLs and\or files giving ability to add new
//and allow them to do one-offs without adding
}
}
}
func startupServer() {
http.HandleFunc("/checkCert", handlers.OneOffHandler)
http.HandleFunc("/", handler)
http.ListenAndServe(":80", nil)
}
func startupClient() {
fmt.Println("Point your browser to http://localhost:8081 to perform a scan")
fmt.Println("If you want to add/remove pages to be scanned update the lookup.txt file")
fmt.Println("Press ^C to exit")
http.HandleFunc("/", handlers.ClientHandler)
openbrowser("http://localhost:8081")
http.ListenAndServe(":8081", nil)
}
func loadPage(title string) (*servicetypes.Page, error) {
filename := title + ".txt"
body, err := ioutil.ReadFile(filename)
if err != nil {
return nil, err
}
return &servicetypes.Page{Title: title, Body: body}, nil
}
func addHTTPS(url string) string {
if !strings.Contains(strings.ToLower(url), "https://") && !strings.Contains(strings.ToLower(url), "https:\\") {
url = "https://" + url
}
return url
}
func removeHTTPS(url string) string {
if strings.Contains(strings.ToLower(url), "https://") || strings.Contains(strings.ToLower(url), "https:\\") {
url = url[8:len(url)]
}
if strings.Contains(strings.ToLower(url), "www.") {
url = url[4:len(url)]
}
return url
}
func openbrowser(url string) {
var err error
switch runtime.GOOS {
case "linux":
err = exec.Command("xdg-open", url).Start()
case "windows":
err = exec.Command("rundll32", "url.dll,FileProtocolHandler", url).Start()
case "darwin":
err = exec.Command("open", url).Start()
default:
err = fmt.Errorf("unsupported platform")
}
if err != nil {
log.Fatal(err)
}
}
func findFingerprint(certs []*x509.Certificate, domain string) string {
domain = removeHTTPS(domain)
for _, val := range certs {
for _, dnsName := range val.DNSNames {
if strings.Contains(strings.ToLower(strings.TrimSpace(dnsName)), strings.ToLower(domain)) {
//return the associated hex encoded sha1 value
sha := sha1.Sum(val.Raw)
encoded := fmt.Sprintf("%x", sha)
return encoded
}
}
}
return ""
}