commit 5aa072deb274254911b2bd55a70d84b89ce6830d
| author | 斟酌 鵬兄 <tgckpg@gmail.com> |
|---|
| date | 2022-03-13T21:05:37Z |
|---|
| subject | Find & Delete Records |
|---|
commit 5aa072deb274254911b2bd55a70d84b89ce6830d
Author: 斟酌 鵬兄 <tgckpg@gmail.com>
Date: 2022-03-13T21:05:37Z
Find & Delete Records
---
freedns/freedns.go | 149 +++++++++++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 144 insertions(+), 5 deletions(-)
diff --git a/freedns/freedns.go b/freedns/freedns.go
index fd9bdec..59248f2 100755
--- a/freedns/freedns.go
+++ b/freedns/freedns.go
@@ -15,6 +15,8 @@ type FreeDNSOperations interface {
Login()
SelectDomain()
AddRecord()
+ FindRecord()
+ DeleteRecord()
}
type FreeDNS struct {
@@ -22,9 +24,13 @@ type FreeDNS struct {
DomainId string
}
-const URI_LOGIN string = "https://freedns.afraid.org/zc.php?step=2"
-const URI_DOMAIN string = "https://freedns.afraid.org/domain/"
-const URI_ADD_RECORD string = "https://freedns.afraid.org/subdomain/save.php?step=2"
+const URI_LOGIN = "https://freedns.afraid.org/zc.php?step=2"
+const URI_DOMAIN = "https://freedns.afraid.org/domain/"
+const URI_ADD_RECORD = "https://freedns.afraid.org/subdomain/save.php?step=2"
+const URI_SUBDOMAIN = "https://freedns.afraid.org/subdomain/?limit="
+const URI_SUBDOMAIN_EDIT = "https://freedns.afraid.org/subdomain/edit.php?data_id="
+const URI_LOGOUT = "https://freedns.afraid.org/logout/"
+const URI_DELETE_RECORD = "https://freedns.afraid.org/subdomain/delete2.php?data_id[]=%s&submit=delete%%20selected"
// const URI_LOGIN string = "http://127.0.0.1:1234/"
@@ -96,6 +102,18 @@ func (dnsObj *FreeDNS) Login(Username string, Password string) error {
return nil
}
+func (dnsObj *FreeDNS) Logout() error {
+ if dnsObj.AuthCookie == nil {
+ return nil
+ }
+
+ _, _, err := _HttpRequest("GET", URI_DOMAIN, nil, dnsObj.AuthCookie)
+ if err != nil {
+ return err
+ }
+ return nil
+}
+
func (dnsObj *FreeDNS) SelectDomain(DomainName string) error {
if dnsObj.AuthCookie == nil {
return errors.New("Not logged in")
@@ -115,6 +133,8 @@ func (dnsObj *FreeDNS) SelectDomain(DomainName string) error {
inBold := false
lookForA := false
dnsObj.DomainId = ""
+
+ // Begin search for domain id
loop:
for {
tt := htmlTokens.Next()
@@ -126,6 +146,8 @@ loop:
fmt.Println("Found " + DomainName + ", looking for domain id")
lookForA = true
}
+ // The [Manage] anchor is next to the bold tag
+ // <b>DOMAIN_NAME</b> <a href="">[Manage]</a>
case html.StartTagToken:
_t, hasAttr := htmlTokens.TagName()
tagName := string(_t)
@@ -175,7 +197,7 @@ func (dnsObj *FreeDNS) AddRecord(RecordType string, Subdomain string, Address st
if resp.StatusCode != 302 {
- // Record already exists, treated as success
+ // Record already exists, treat this as success
if strings.Contains(respStr, "already have another already existent") {
fmt.Println("Record already exists")
return nil
@@ -203,8 +225,125 @@ func (dnsObj *FreeDNS) AddRecord(RecordType string, Subdomain string, Address st
if strings.Contains(_Location.Path, "/zc.php") {
fmt.Println("Error on AddRecord: Cookie expired")
- return errors.New("Cookie exipired")
+ return errors.New("dns_cookie maybe expired")
}
return nil
}
+
+func (dnsObj *FreeDNS) DeleteRecord(RecordId string) error {
+ resp, _, err := _HttpRequest("GET", fmt.Sprintf(URI_DELETE_RECORD, RecordId), nil, dnsObj.AuthCookie)
+ if err != nil {
+ return err
+ }
+
+ if resp.StatusCode != 302 {
+ return errors.New("Unexpected " + fmt.Sprint(resp.StatusCode) + " from remote while deleting record")
+ }
+
+ _Location, err := resp.Location()
+ if err != nil {
+ return err
+ }
+
+ if strings.HasPrefix(_Location.Path, "/zc.php") {
+ return errors.New("dns_cookie maybe expired")
+ }
+
+ return nil
+}
+
+func (dnsObj *FreeDNS) FindRecord(Subdomain string, RecordType string, Address string) (string, error) {
+ if dnsObj.DomainId == "" {
+ return "", errors.New("No domain selected")
+ }
+
+ resp, respStr, err := _HttpRequest("GET", URI_SUBDOMAIN+dnsObj.DomainId, nil, dnsObj.AuthCookie)
+ if err != nil {
+ return "", err
+ }
+
+ if resp.StatusCode == 302 {
+ return "", errors.New("dns_cookie maybe expired")
+ }
+
+ var DeepSearchCandidates []string
+ CurrRecordId := ""
+ CurrRecordType := ""
+ CurrRecordAddr := ""
+ CurrTagName := ""
+ lookForNextTD := 0
+
+ htmlTokens := html.NewTokenizer(strings.NewReader(respStr))
+loop:
+ for {
+ tt := htmlTokens.Next()
+ switch tt {
+ case html.ErrorToken:
+ break loop
+ case html.TextToken:
+ if CurrTagName == "a" && lookForNextTD == 1 && CurrRecordAddr == "" {
+ CurrRecordAddr = strings.TrimSpace(string(htmlTokens.Text()))
+ } else if CurrTagName == "td" {
+ if lookForNextTD == 1 {
+ CurrRecordType = string(htmlTokens.Text())
+ lookForNextTD = 2
+ } else if lookForNextTD == 2 {
+ _Addr := string(htmlTokens.Text())
+ if CurrRecordType == RecordType && CurrRecordAddr == Subdomain {
+ if _Addr == Address {
+ return CurrRecordId, nil
+ } else if strings.HasSuffix(_Addr, "...") && strings.HasPrefix(Address, strings.TrimRight(_Addr, "...")) {
+ DeepSearchCandidates = append(DeepSearchCandidates, CurrRecordId)
+ }
+ }
+ lookForNextTD = 0
+ }
+ }
+ /** Each record is displayed with the following structure
+ * <td bgcolor="#eeeeee">
+ * <a href="edit.php?data_id=0000000">
+ * [DOMAIN_NAME]
+ * </a> (<b><font color="blue">G</font></b>)
+ * </td>
+ * <td bgcolor="#eeeeee">TXT</td>
+ * <td bgcolor="#eeeeee">"google-site-verification=truncated_text...</td>
+ */
+ case html.StartTagToken:
+ _t, hasAttr := htmlTokens.TagName()
+ CurrTagName = string(_t)
+ if CurrTagName == "a" && hasAttr {
+ for {
+ attrKey, attrValue, moreAttr := htmlTokens.TagAttr()
+ _href := string(attrValue)
+ if string(attrKey) == "href" && strings.Contains(_href, "edit.php?data_id=") {
+ lookForNextTD = 1
+ CurrRecordAddr = ""
+ CurrRecordId = strings.TrimLeft(_href, "edit.php?data_id=")
+ break
+ }
+ if !moreAttr {
+ break
+ }
+ }
+ }
+
+ }
+ }
+
+ // Begin deep search for truncated records
+ htmlAddr := strings.ReplaceAll(html.EscapeString(Address), """, """)
+ for _, RecordId := range DeepSearchCandidates {
+ fmt.Println("Searching in " + RecordId)
+ _, respStr, err := _HttpRequest("GET", URI_SUBDOMAIN_EDIT+RecordId, nil, dnsObj.AuthCookie)
+ if err != nil {
+ continue
+ }
+
+ if strings.Contains(respStr, htmlAddr) {
+ return RecordId, nil
+ }
+ }
+
+ return "", errors.New("No such record")
+}