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Check if website contains webring server hostname

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This commit is contained in:
Locria Cyber 2023-12-04 14:19:41 +00:00
parent 9aa75639f9
commit 7f90eef911
Signed by: iacore
GPG key ID: F8C16E5157A63006
2 changed files with 19 additions and 5 deletions
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16
funcs.go
View file

@ -7,8 +7,10 @@ package main
import (
"html"
"html/template"
"io"
"log"
"net/http"
"net/url"
"os"
"strings"
)
@ -77,11 +79,21 @@ func (m *Ring) modify(a string) bool {
return true
}
func isEndpointOnline(site string) bool {
func isTargetValid(my_url *url.URL, site string) bool {
resp, err := http.Get(site)
if err != nil {
log.Println(err)
return false
}
return 200 <= resp.StatusCode && resp.StatusCode < 300
if !(200 <= resp.StatusCode && resp.StatusCode < 300) {
return false
}
bodyb, err := io.ReadAll(resp.Body)
if err != nil {
log.Printf("error while reading target http body: %v", err)
return false
}
body := string(bodyb)
return strings.Contains(body, my_url.Host)
}

8
handlers.go
View file

@ -92,7 +92,7 @@ func (m Ring) next(writer http.ResponseWriter, request *http.Request) {
for j := i + 1; j < length+i; j++ {
dest := m.ring[j%length].url
log.Println("Checking '" + dest + "'")
if isEndpointOnline(dest) {
if isTargetValid(request.URL, dest) {
log.Println("Redirecting visitor to '" + dest + "'")
http.Redirect(writer, request, dest, http.StatusFound)
success = true
@ -126,7 +126,7 @@ func (m Ring) previous(writer http.ResponseWriter, request *http.Request) {
// from here to start of list
for i := index - 1; i > 0; i-- {
dest := m.ring[i].url
if isEndpointOnline(dest) {
if isTargetValid(request.URL, dest) {
log.Println("Redirecting visitor to '" + dest + "'")
http.Redirect(writer, request, dest, http.StatusFound)
return
@ -135,7 +135,7 @@ func (m Ring) previous(writer http.ResponseWriter, request *http.Request) {
// from end of list to here
for i := length - 1; i > index; i-- {
dest := m.ring[i].url
if isEndpointOnline(dest) {
if isTargetValid(request.URL, dest) {
log.Println("Redirecting visitor to '" + dest + "'")
http.Redirect(writer, request, dest, http.StatusFound)
return
@ -152,6 +152,8 @@ please email amolith@secluded.site and let him (me) know what's up.`, 500)
// Redirects the visitor to a random member
func (m Ring) random(writer http.ResponseWriter, request *http.Request) {
// todo: isTargetValid
if m.modify("ring") {
log.Println("Ring modified, clearing field and re-parsing")
m.parseList()