traefik/vendor/github.com/xenolf/lego/providers/dns/dnsmadeeasy/dnsmadeeasy.go

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package dnsmadeeasy
import (
"crypto/tls"
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"errors"
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"fmt"
"net/http"
"strconv"
"strings"
"time"
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"github.com/xenolf/lego/acme"
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"github.com/xenolf/lego/platform/config/env"
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)
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// Config is used to configure the creation of the DNSProvider
type Config struct {
BaseURL string
APIKey string
APISecret string
HTTPClient *http.Client
PropagationTimeout time.Duration
PollingInterval time.Duration
TTL int
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}
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// NewDefaultConfig returns a default configuration for the DNSProvider
func NewDefaultConfig() *Config {
return &Config{
TTL: env.GetOrDefaultInt("DNSMADEEASY_TTL", 120),
PropagationTimeout: env.GetOrDefaultSecond("DNSMADEEASY_PROPAGATION_TIMEOUT", acme.DefaultPropagationTimeout),
PollingInterval: env.GetOrDefaultSecond("DNSMADEEASY_POLLING_INTERVAL", acme.DefaultPollingInterval),
HTTPClient: &http.Client{
Timeout: env.GetOrDefaultSecond("DNSMADEEASY_HTTP_TIMEOUT", 10*time.Second),
Transport: &http.Transport{
TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
},
},
}
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}
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// DNSProvider is an implementation of the acme.ChallengeProvider interface that uses
// DNSMadeEasy's DNS API to manage TXT records for a domain.
type DNSProvider struct {
config *Config
client *Client
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}
// NewDNSProvider returns a DNSProvider instance configured for DNSMadeEasy DNS.
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// Credentials must be passed in the environment variables:
// DNSMADEEASY_API_KEY and DNSMADEEASY_API_SECRET.
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func NewDNSProvider() (*DNSProvider, error) {
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values, err := env.Get("DNSMADEEASY_API_KEY", "DNSMADEEASY_API_SECRET")
if err != nil {
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return nil, fmt.Errorf("dnsmadeeasy: %v", err)
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}
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var baseURL string
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if sandbox, _ := strconv.ParseBool(env.GetOrFile("DNSMADEEASY_SANDBOX")); sandbox {
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baseURL = "https://api.sandbox.dnsmadeeasy.com/V2.0"
} else {
baseURL = "https://api.dnsmadeeasy.com/V2.0"
}
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config := NewDefaultConfig()
config.BaseURL = baseURL
config.APIKey = values["DNSMADEEASY_API_KEY"]
config.APISecret = values["DNSMADEEASY_API_SECRET"]
return NewDNSProviderConfig(config)
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}
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// NewDNSProviderCredentials uses the supplied credentials
// to return a DNSProvider instance configured for DNS Made Easy.
// Deprecated
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func NewDNSProviderCredentials(baseURL, apiKey, apiSecret string) (*DNSProvider, error) {
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config := NewDefaultConfig()
config.BaseURL = baseURL
config.APIKey = apiKey
config.APISecret = apiSecret
return NewDNSProviderConfig(config)
}
// NewDNSProviderConfig return a DNSProvider instance configured for DNS Made Easy.
func NewDNSProviderConfig(config *Config) (*DNSProvider, error) {
if config == nil {
return nil, errors.New("dnsmadeeasy: the configuration of the DNS provider is nil")
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}
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if config.BaseURL == "" {
return nil, fmt.Errorf("dnsmadeeasy: base URL missing")
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}
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client, err := NewClient(config.APIKey, config.APISecret)
if err != nil {
return nil, fmt.Errorf("dnsmadeeasy: %v", err)
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}
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client.HTTPClient = config.HTTPClient
client.BaseURL = config.BaseURL
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return &DNSProvider{
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client: client,
config: config,
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}, nil
}
// Present creates a TXT record using the specified parameters
func (d *DNSProvider) Present(domainName, token, keyAuth string) error {
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fqdn, value, _ := acme.DNS01Record(domainName, keyAuth)
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authZone, err := acme.FindZoneByFqdn(fqdn, acme.RecursiveNameservers)
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if err != nil {
return err
}
// fetch the domain details
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domain, err := d.client.GetDomain(authZone)
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if err != nil {
return err
}
// create the TXT record
name := strings.Replace(fqdn, "."+authZone, "", 1)
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record := &Record{Type: "TXT", Name: name, Value: value, TTL: d.config.TTL}
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err = d.client.CreateRecord(domain, record)
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return err
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}
// CleanUp removes the TXT records matching the specified parameters
func (d *DNSProvider) CleanUp(domainName, token, keyAuth string) error {
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fqdn, _, _ := acme.DNS01Record(domainName, keyAuth)
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authZone, err := acme.FindZoneByFqdn(fqdn, acme.RecursiveNameservers)
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if err != nil {
return err
}
// fetch the domain details
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domain, err := d.client.GetDomain(authZone)
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if err != nil {
return err
}
// find matching records
name := strings.Replace(fqdn, "."+authZone, "", 1)
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records, err := d.client.GetRecords(domain, name, "TXT")
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if err != nil {
return err
}
// delete records
for _, record := range *records {
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err = d.client.DeleteRecord(record)
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if err != nil {
return err
}
}
return nil
}
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// Timeout returns the timeout and interval to use when checking for DNS propagation.
// Adjusting here to cope with spikes in propagation times.
func (d *DNSProvider) Timeout() (timeout, interval time.Duration) {
return d.config.PropagationTimeout, d.config.PollingInterval
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}