Find & Delete Records
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289a8a57ee
commit
5aa072deb2
@ -15,6 +15,8 @@ type FreeDNSOperations interface {
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Login()
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SelectDomain()
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AddRecord()
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FindRecord()
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DeleteRecord()
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}
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type FreeDNS struct {
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@ -22,9 +24,13 @@ type FreeDNS struct {
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DomainId string
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}
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const URI_LOGIN string = "https://freedns.afraid.org/zc.php?step=2"
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const URI_DOMAIN string = "https://freedns.afraid.org/domain/"
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const URI_ADD_RECORD string = "https://freedns.afraid.org/subdomain/save.php?step=2"
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const URI_LOGIN = "https://freedns.afraid.org/zc.php?step=2"
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const URI_DOMAIN = "https://freedns.afraid.org/domain/"
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const URI_ADD_RECORD = "https://freedns.afraid.org/subdomain/save.php?step=2"
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const URI_SUBDOMAIN = "https://freedns.afraid.org/subdomain/?limit="
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const URI_SUBDOMAIN_EDIT = "https://freedns.afraid.org/subdomain/edit.php?data_id="
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const URI_LOGOUT = "https://freedns.afraid.org/logout/"
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const URI_DELETE_RECORD = "https://freedns.afraid.org/subdomain/delete2.php?data_id[]=%s&submit=delete%%20selected"
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// const URI_LOGIN string = "http://127.0.0.1:1234/"
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@ -96,6 +102,18 @@ func (dnsObj *FreeDNS) Login(Username string, Password string) error {
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return nil
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}
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func (dnsObj *FreeDNS) Logout() error {
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if dnsObj.AuthCookie == nil {
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return nil
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}
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_, _, err := _HttpRequest("GET", URI_DOMAIN, nil, dnsObj.AuthCookie)
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if err != nil {
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return err
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}
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return nil
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}
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func (dnsObj *FreeDNS) SelectDomain(DomainName string) error {
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if dnsObj.AuthCookie == nil {
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return errors.New("Not logged in")
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@ -115,6 +133,8 @@ func (dnsObj *FreeDNS) SelectDomain(DomainName string) error {
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inBold := false
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lookForA := false
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dnsObj.DomainId = ""
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// Begin search for domain id
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loop:
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for {
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tt := htmlTokens.Next()
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@ -126,6 +146,8 @@ loop:
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fmt.Println("Found " + DomainName + ", looking for domain id")
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lookForA = true
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}
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// The [Manage] anchor is next to the bold tag
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// <b>DOMAIN_NAME</b> <a href="">[Manage]</a>
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case html.StartTagToken:
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_t, hasAttr := htmlTokens.TagName()
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tagName := string(_t)
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@ -175,7 +197,7 @@ func (dnsObj *FreeDNS) AddRecord(RecordType string, Subdomain string, Address st
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if resp.StatusCode != 302 {
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// Record already exists, treated as success
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// Record already exists, treat this as success
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if strings.Contains(respStr, "already have another already existent") {
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fmt.Println("Record already exists")
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return nil
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@ -203,8 +225,125 @@ func (dnsObj *FreeDNS) AddRecord(RecordType string, Subdomain string, Address st
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if strings.Contains(_Location.Path, "/zc.php") {
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fmt.Println("Error on AddRecord: Cookie expired")
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return errors.New("Cookie exipired")
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return errors.New("dns_cookie maybe expired")
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}
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return nil
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}
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func (dnsObj *FreeDNS) DeleteRecord(RecordId string) error {
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resp, _, err := _HttpRequest("GET", fmt.Sprintf(URI_DELETE_RECORD, RecordId), nil, dnsObj.AuthCookie)
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if err != nil {
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return err
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}
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if resp.StatusCode != 302 {
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return errors.New("Unexpected " + fmt.Sprint(resp.StatusCode) + " from remote while deleting record")
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}
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_Location, err := resp.Location()
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if err != nil {
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return err
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}
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if strings.HasPrefix(_Location.Path, "/zc.php") {
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return errors.New("dns_cookie maybe expired")
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}
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return nil
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}
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func (dnsObj *FreeDNS) FindRecord(Subdomain string, RecordType string, Address string) (string, error) {
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if dnsObj.DomainId == "" {
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return "", errors.New("No domain selected")
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}
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resp, respStr, err := _HttpRequest("GET", URI_SUBDOMAIN+dnsObj.DomainId, nil, dnsObj.AuthCookie)
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if err != nil {
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return "", err
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}
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if resp.StatusCode == 302 {
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return "", errors.New("dns_cookie maybe expired")
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}
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var DeepSearchCandidates []string
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CurrRecordId := ""
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CurrRecordType := ""
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CurrRecordAddr := ""
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CurrTagName := ""
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lookForNextTD := 0
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htmlTokens := html.NewTokenizer(strings.NewReader(respStr))
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loop:
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for {
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tt := htmlTokens.Next()
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switch tt {
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case html.ErrorToken:
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break loop
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case html.TextToken:
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if CurrTagName == "a" && lookForNextTD == 1 && CurrRecordAddr == "" {
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CurrRecordAddr = strings.TrimSpace(string(htmlTokens.Text()))
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} else if CurrTagName == "td" {
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if lookForNextTD == 1 {
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CurrRecordType = string(htmlTokens.Text())
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lookForNextTD = 2
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} else if lookForNextTD == 2 {
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_Addr := string(htmlTokens.Text())
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if CurrRecordType == RecordType && CurrRecordAddr == Subdomain {
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if _Addr == Address {
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return CurrRecordId, nil
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} else if strings.HasSuffix(_Addr, "...") && strings.HasPrefix(Address, strings.TrimRight(_Addr, "...")) {
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DeepSearchCandidates = append(DeepSearchCandidates, CurrRecordId)
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}
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}
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lookForNextTD = 0
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}
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}
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/** Each record is displayed with the following structure
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* <td bgcolor="#eeeeee">
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* <a href="edit.php?data_id=0000000">
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* [DOMAIN_NAME]
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* </a> (<b><font color="blue">G</font></b>)
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* </td>
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* <td bgcolor="#eeeeee">TXT</td>
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* <td bgcolor="#eeeeee">"google-site-verification=truncated_text...</td>
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*/
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case html.StartTagToken:
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_t, hasAttr := htmlTokens.TagName()
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CurrTagName = string(_t)
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if CurrTagName == "a" && hasAttr {
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for {
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attrKey, attrValue, moreAttr := htmlTokens.TagAttr()
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_href := string(attrValue)
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if string(attrKey) == "href" && strings.Contains(_href, "edit.php?data_id=") {
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lookForNextTD = 1
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CurrRecordAddr = ""
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CurrRecordId = strings.TrimLeft(_href, "edit.php?data_id=")
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break
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}
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if !moreAttr {
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break
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}
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}
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}
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}
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}
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// Begin deep search for truncated records
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htmlAddr := strings.ReplaceAll(html.EscapeString(Address), """, """)
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for _, RecordId := range DeepSearchCandidates {
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fmt.Println("Searching in " + RecordId)
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_, respStr, err := _HttpRequest("GET", URI_SUBDOMAIN_EDIT+RecordId, nil, dnsObj.AuthCookie)
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if err != nil {
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continue
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}
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if strings.Contains(respStr, htmlAddr) {
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return RecordId, nil
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}
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}
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return "", errors.New("No such record")
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}
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