mirror of
https://github.com/go-acme/lego.git
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133 lines
3.8 KiB
Go
133 lines
3.8 KiB
Go
// Package zonomi implements a DNS provider for solving the DNS-01 challenge using Zonomi DNS.
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package zonomi
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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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"time"
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"github.com/go-acme/lego/v4/challenge/dns01"
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"github.com/go-acme/lego/v4/platform/config/env"
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"github.com/go-acme/lego/v4/providers/dns/internal/rimuhosting"
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)
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// Environment variables names.
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const (
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envNamespace = "ZONOMI_"
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EnvAPIKey = envNamespace + "API_KEY"
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EnvTTL = envNamespace + "TTL"
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EnvPropagationTimeout = envNamespace + "PROPAGATION_TIMEOUT"
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EnvPollingInterval = envNamespace + "POLLING_INTERVAL"
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EnvHTTPTimeout = envNamespace + "HTTP_TIMEOUT"
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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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APIKey string
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PropagationTimeout time.Duration
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PollingInterval time.Duration
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TTL int
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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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return &Config{
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TTL: env.GetOrDefaultInt(EnvTTL, 3600),
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PropagationTimeout: env.GetOrDefaultSecond(EnvPropagationTimeout, dns01.DefaultPropagationTimeout),
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PollingInterval: env.GetOrDefaultSecond(EnvPollingInterval, dns01.DefaultPollingInterval),
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HTTPClient: &http.Client{
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Timeout: env.GetOrDefaultSecond(EnvHTTPTimeout, 30*time.Second),
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},
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}
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}
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// DNSProvider implements the challenge.Provider interface.
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type DNSProvider struct {
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config *Config
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client *rimuhosting.Client
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}
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// NewDNSProvider returns a DNSProvider instance configured for Zonomi.
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// Credentials must be passed in the environment variables.
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func NewDNSProvider() (*DNSProvider, error) {
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values, err := env.Get(EnvAPIKey)
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if err != nil {
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return nil, fmt.Errorf("zonomi: %w", err)
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}
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config := NewDefaultConfig()
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config.APIKey = values[EnvAPIKey]
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return NewDNSProviderConfig(config)
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}
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// NewDNSProviderConfig return a DNSProvider instance configured for Zonomi.
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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("zonomi: the configuration of the DNS provider is nil")
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}
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if config.APIKey == "" {
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return nil, errors.New("zonomi: incomplete credentials, missing API key")
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}
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client := rimuhosting.NewClient(config.APIKey)
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client.BaseURL = rimuhosting.DefaultZonomiBaseURL
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if config.HTTPClient != nil {
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client.HTTPClient = config.HTTPClient
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}
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return &DNSProvider{config: config, client: client}, 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 using the specified parameters.
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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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records, err := d.client.FindTXTRecords(dns01.UnFqdn(fqdn))
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if err != nil {
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return fmt.Errorf("zonomi: failed to find record(s) for %s: %w", domain, err)
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}
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actions := []rimuhosting.ActionParameter{
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rimuhosting.AddRecord(dns01.UnFqdn(fqdn), value, d.config.TTL),
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}
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for _, record := range records {
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actions = append(actions, rimuhosting.AddRecord(record.Name, record.Content, d.config.TTL))
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}
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_, err = d.client.DoActions(actions...)
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if err != nil {
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return fmt.Errorf("zonomi: failed to add record(s) for %s: %w", domain, err)
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}
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return nil
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}
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// CleanUp removes the TXT record matching the specified parameters.
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func (d *DNSProvider) CleanUp(domain, token, keyAuth string) error {
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fqdn, value := dns01.GetRecord(domain, keyAuth)
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action := rimuhosting.DeleteRecord(dns01.UnFqdn(fqdn), value)
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_, err := d.client.DoActions(action)
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if err != nil {
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return fmt.Errorf("zonomi: failed to delete record for %s: %w", domain, err)
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}
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return nil
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}
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