134 lines
3.5 KiB
Go
134 lines
3.5 KiB
Go
// Package zoneee implements a DNS provider for solving the DNS-01 challenge through zone.ee.
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package zoneee
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import (
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"errors"
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"fmt"
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"net/http"
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"net/url"
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"time"
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"github.com/go-acme/lego/challenge/dns01"
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"github.com/go-acme/lego/platform/config/env"
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)
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// Config is used to configure the creation of the DNSProvider
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type Config struct {
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Endpoint *url.URL
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Username string
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APIKey string
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PropagationTimeout time.Duration
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PollingInterval time.Duration
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HTTPClient *http.Client
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}
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// NewDefaultConfig returns a default configuration for the DNSProvider
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func NewDefaultConfig() *Config {
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endpoint, _ := url.Parse(defaultEndpoint)
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return &Config{
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Endpoint: endpoint,
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// zone.ee can take up to 5min to propagate according to the support
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PropagationTimeout: env.GetOrDefaultSecond("ZONEEE_PROPAGATION_TIMEOUT", 5*time.Minute),
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PollingInterval: env.GetOrDefaultSecond("ZONEEE_POLLING_INTERVAL", 5*time.Second),
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HTTPClient: &http.Client{
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Timeout: env.GetOrDefaultSecond("ZONEEE_HTTP_TIMEOUT", 30*time.Second),
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},
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}
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}
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// DNSProvider describes a provider for acme-proxy
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type DNSProvider struct {
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config *Config
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}
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// NewDNSProvider returns a DNSProvider instance.
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func NewDNSProvider() (*DNSProvider, error) {
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values, err := env.Get("ZONEEE_API_USER", "ZONEEE_API_KEY")
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if err != nil {
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return nil, fmt.Errorf("zoneee: %v", err)
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}
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rawEndpoint := env.GetOrDefaultString("ZONEEE_ENDPOINT", defaultEndpoint)
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endpoint, err := url.Parse(rawEndpoint)
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if err != nil {
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return nil, fmt.Errorf("zoneee: %v", err)
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}
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config := NewDefaultConfig()
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config.Username = values["ZONEEE_API_USER"]
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config.APIKey = values["ZONEEE_API_KEY"]
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config.Endpoint = endpoint
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return NewDNSProviderConfig(config)
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}
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// NewDNSProviderConfig return a DNSProvider .
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func NewDNSProviderConfig(config *Config) (*DNSProvider, error) {
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if config == nil {
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return nil, errors.New("zoneee: the configuration of the DNS provider is nil")
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}
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if config.Username == "" {
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return nil, fmt.Errorf("zoneee: credentials missing: username")
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}
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if config.APIKey == "" {
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return nil, fmt.Errorf("zoneee: credentials missing: API key")
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}
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if config.Endpoint == nil {
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return nil, errors.New("zoneee: the endpoint is missing")
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}
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return &DNSProvider{config: config}, nil
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}
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// Timeout returns the timeout and interval to use when checking for DNS propagation.
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// Adjusting here to cope with spikes in propagation times.
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func (d *DNSProvider) Timeout() (timeout, interval time.Duration) {
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return d.config.PropagationTimeout, d.config.PollingInterval
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}
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// Present creates a TXT record to fulfill the dns-01 challenge
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func (d *DNSProvider) Present(domain, token, keyAuth string) error {
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fqdn, value := dns01.GetRecord(domain, keyAuth)
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record := txtRecord{
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Name: fqdn[:len(fqdn)-1],
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Destination: value,
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}
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_, err := d.addTxtRecord(domain, record)
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if err != nil {
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return fmt.Errorf("zoneee: %v", err)
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}
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return nil
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}
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// CleanUp removes the TXT record previously created
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func (d *DNSProvider) CleanUp(domain, token, keyAuth string) error {
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_, value := dns01.GetRecord(domain, keyAuth)
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records, err := d.getTxtRecords(domain)
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if err != nil {
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return fmt.Errorf("zoneee: %v", err)
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}
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var id string
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for _, record := range records {
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if record.Destination == value {
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id = record.ID
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}
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}
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if id == "" {
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return fmt.Errorf("zoneee: txt record does not exist for %v", value)
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}
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if err = d.removeTxtRecord(domain, id); err != nil {
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return fmt.Errorf("zoneee: %v", err)
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}
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return nil
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}
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