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Add DNS provider for RU CENTER (go-acme#1891)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,297 @@ | ||
| package internal | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "context" | ||
| "encoding/xml" | ||
| "errors" | ||
| "fmt" | ||
| "golang.org/x/oauth2" | ||
| "net/http" | ||
| "strconv" | ||
| ) | ||
|
|
||
| const ( | ||
| BaseURL = `https://api.nic.ru` | ||
| TokenURL = BaseURL + `/oauth/token` | ||
| GetZonesUrlPattern = BaseURL + `/dns-master/services/%s/zones` | ||
| GetRecordsUrlPattern = BaseURL + `/dns-master/services/%s/zones/%s/records` | ||
| DeleteRecordsUrlPattern = BaseURL + `/dns-master/services/%s/zones/%s/records/%d` | ||
| AddRecordsUrlPattern = BaseURL + `/dns-master/services/%s/zones/%s/records` | ||
| CommitUrlPattern = BaseURL + `/dns-master/services/%s/zones/%s/commit` | ||
| SuccessStatus = `success` | ||
| OAuth2Scope = `.+:/dns-master/.+` | ||
| ) | ||
|
|
||
| // Provider facilitates DNS record manipulation with NIC.ru. | ||
| type Provider struct { | ||
| OAuth2ClientID string `json:"oauth2_client_id"` | ||
| OAuth2SecretID string `json:"oauth2_secret_id"` | ||
| Username string `json:"username"` | ||
| Password string `json:"password"` | ||
| ServiceName string `json:"service_name"` | ||
| } | ||
|
|
||
| type Client struct { | ||
| client *http.Client | ||
| provider *Provider | ||
| token string | ||
| } | ||
|
|
||
| func NewClient(provider *Provider) (*Client, error) { | ||
| client := Client{provider: provider} | ||
| err := client.validateAuthOptions() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return &client, nil | ||
| } | ||
|
|
||
| func (client *Client) GetOauth2Client() error { | ||
| ctx := context.TODO() | ||
|
|
||
| oauth2Config := oauth2.Config{ | ||
| ClientID: client.provider.OAuth2ClientID, | ||
| ClientSecret: client.provider.OAuth2SecretID, | ||
| Endpoint: oauth2.Endpoint{ | ||
| TokenURL: TokenURL, | ||
| AuthStyle: oauth2.AuthStyleInParams, | ||
| }, | ||
| Scopes: []string{OAuth2Scope}, | ||
| } | ||
|
|
||
| oauth2Token, err := oauth2Config.PasswordCredentialsToken(ctx, client.provider.Username, client.provider.Password) | ||
| if err != nil { | ||
| return fmt.Errorf("nicru: %s", err.Error()) | ||
| } | ||
|
|
||
| client.client = oauth2Config.Client(ctx, oauth2Token) | ||
| return nil | ||
| } | ||
|
|
||
| func (client *Client) Do(r *http.Request) (*http.Response, error) { | ||
| if client.client == nil { | ||
| err := client.GetOauth2Client() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| } | ||
| return client.client.Do(r) | ||
| } | ||
|
|
||
| func (client *Client) GetZones() ([]*Zone, error) { | ||
| request, err := http.NewRequest(http.MethodGet, fmt.Sprintf(GetZonesUrlPattern, client.provider.ServiceName), nil) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| response, err := client.Do(request) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| buf := bytes.NewBuffer(nil) | ||
| if _, err := buf.ReadFrom(response.Body); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| apiResponse := &Response{} | ||
| if err := xml.NewDecoder(buf).Decode(&apiResponse); err != nil { | ||
| return nil, err | ||
| } else { | ||
| var zones []*Zone | ||
| for _, zone := range apiResponse.Data.Zone { | ||
| zones = append(zones, zone) | ||
| } | ||
| return zones, nil | ||
| } | ||
| } | ||
|
|
||
| func (client *Client) GetRecords(fqdn string) ([]*RR, error) { | ||
| request, err := http.NewRequest( | ||
| http.MethodGet, | ||
| fmt.Sprintf(GetRecordsUrlPattern, client.provider.ServiceName, fqdn), | ||
| nil) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| response, err := client.Do(request) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| buf := bytes.NewBuffer(nil) | ||
| if _, err := buf.ReadFrom(response.Body); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| apiResponse := &Response{} | ||
| if err := xml.NewDecoder(buf).Decode(&apiResponse); err != nil { | ||
| return nil, err | ||
| } else { | ||
| var records []*RR | ||
| for _, zone := range apiResponse.Data.Zone { | ||
| records = append(records, zone.Rr...) | ||
| } | ||
| return records, nil | ||
| } | ||
| } | ||
|
|
||
| func (client *Client) add(zoneName string, request *Request) (*Response, error) { | ||
|
|
||
| buf := bytes.NewBuffer(nil) | ||
| if err := xml.NewEncoder(buf).Encode(request); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| url := fmt.Sprintf(AddRecordsUrlPattern, client.provider.ServiceName, zoneName) | ||
|
|
||
| req, err := http.NewRequest(http.MethodPut, url, buf) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| response, err := client.Do(req) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| buf = bytes.NewBuffer(nil) | ||
| if _, err := buf.ReadFrom(response.Body); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| apiResponse := &Response{} | ||
| if err := xml.NewDecoder(buf).Decode(&apiResponse); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| if apiResponse.Status != SuccessStatus { | ||
| return nil, fmt.Errorf(describeError(apiResponse.Errors.Error)) | ||
| } else { | ||
| return apiResponse, nil | ||
| } | ||
| } | ||
|
|
||
| func (client *Client) deleteRecord(zoneName string, id int) (*Response, error) { | ||
| url := fmt.Sprintf(DeleteRecordsUrlPattern, client.provider.ServiceName, zoneName, id) | ||
| req, err := http.NewRequest(http.MethodDelete, url, nil) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| response, err := client.Do(req) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| apiResponse := Response{} | ||
| if err := xml.NewDecoder(response.Body).Decode(&apiResponse); err != nil { | ||
| return nil, err | ||
| } | ||
| if apiResponse.Status != SuccessStatus { | ||
| return nil, err | ||
| } else { | ||
| return &apiResponse, nil | ||
| } | ||
| } | ||
|
|
||
| func (client *Client) GetTXTRecords(fqdn string) ([]*Txt, error) { | ||
| records, err := client.GetRecords(fqdn) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| txt := make([]*Txt, 0) | ||
| for _, record := range records { | ||
| if record.Txt != nil { | ||
| txt = append(txt, record.Txt) | ||
| } | ||
| } | ||
|
|
||
| return txt, nil | ||
| } | ||
|
|
||
| func (client *Client) AddTxtRecord(zoneName string, name string, content string, ttl int) (*Response, error) { | ||
| request := &Request{ | ||
| RrList: &RrList{ | ||
| Rr: []*RR{}, | ||
| }, | ||
| } | ||
| request.RrList.Rr = append(request.RrList.Rr, &RR{ | ||
| Name: name, | ||
| Ttl: strconv.Itoa(ttl), | ||
| Type: `TXT`, | ||
| Txt: &Txt{ | ||
| String: content, | ||
| }, | ||
| }) | ||
|
|
||
| return client.add(zoneName, request) | ||
| } | ||
|
|
||
| func (client *Client) DeleteRecord(zoneName string, id int) (*Response, error) { | ||
| url := fmt.Sprintf(DeleteRecordsUrlPattern, client.provider.ServiceName, zoneName, id) | ||
| req, err := http.NewRequest(http.MethodDelete, url, nil) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| response, err := client.Do(req) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| apiResponse := Response{} | ||
| if err := xml.NewDecoder(response.Body).Decode(&apiResponse); err != nil { | ||
| return nil, err | ||
| } | ||
| if apiResponse.Status != SuccessStatus { | ||
| return nil, err | ||
| } else { | ||
| return &apiResponse, nil | ||
| } | ||
| } | ||
|
|
||
| func (client *Client) CommitZone(zoneName string) (*Response, error) { | ||
| url := fmt.Sprintf(CommitUrlPattern, client.provider.ServiceName, zoneName) | ||
| request, err := http.NewRequest(http.MethodPost, url, nil) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| response, err := client.Do(request) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| apiResponse := Response{} | ||
| if err := xml.NewDecoder(response.Body).Decode(&apiResponse); err != nil { | ||
| return nil, err | ||
| } | ||
| if apiResponse.Status != SuccessStatus { | ||
| return nil, err | ||
| } else { | ||
| return &apiResponse, nil | ||
| } | ||
| } | ||
|
|
||
| func (client *Client) validateAuthOptions() error { | ||
|
|
||
| msg := " is missing in credentials information" | ||
|
|
||
| if client.provider.ServiceName == "" { | ||
| return errors.New("service name" + msg) | ||
| } | ||
|
|
||
| if client.provider.Username == "" { | ||
| return errors.New("username" + msg) | ||
| } | ||
|
|
||
| if client.provider.Password == "" { | ||
| return errors.New("password" + msg) | ||
| } | ||
|
|
||
| if client.provider.OAuth2ClientID == "" { | ||
| return errors.New("serviceId" + msg) | ||
| } | ||
|
|
||
| if client.provider.OAuth2SecretID == "" { | ||
| return errors.New("secret" + msg) | ||
| } | ||
|
|
||
| return nil | ||
| } |
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