a824cab316
Co-authored-by: Fernandez Ludovic <ldez@users.noreply.github.com>
190 lines
5.1 KiB
Go
190 lines
5.1 KiB
Go
// Package infomaniak implements a DNS provider for solving the DNS-01 challenge using Infomaniak DNS.
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package infomaniak
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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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"sync"
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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/infomaniak/internal"
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)
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// Infomaniak API reference: https://api.infomaniak.com/doc
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// Create a Token: https://manager.infomaniak.com/v3/infomaniak-api
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// Environment variables names.
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const (
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envNamespace = "INFOMANIAK_"
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EnvEndpoint = envNamespace + "ENDPOINT"
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EnvAccessToken = envNamespace + "ACCESS_TOKEN"
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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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const defaultBaseURL = "https://api.infomaniak.com"
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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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APIEndpoint string
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AccessToken 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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APIEndpoint: env.GetOrDefaultString(EnvEndpoint, defaultBaseURL),
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TTL: env.GetOrDefaultInt(EnvTTL, 7200),
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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 *internal.Client
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recordIDs map[string]string
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recordIDsMu sync.Mutex
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domainIDs map[string]uint64
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domainIDsMu sync.Mutex
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}
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// NewDNSProvider returns a DNSProvider instance configured for Infomaniak.
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// Credentials must be passed in the environment variables: INFOMANIAK_ACCESS_TOKEN.
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func NewDNSProvider() (*DNSProvider, error) {
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values, err := env.Get(EnvAccessToken)
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if err != nil {
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return nil, fmt.Errorf("infomaniak: %w", err)
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}
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config := NewDefaultConfig()
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config.AccessToken = values[EnvAccessToken]
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return NewDNSProviderConfig(config)
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}
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// NewDNSProviderConfig return a DNSProvider instance configured for Infomaniak.
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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("infomaniak: the configuration of the DNS provider is nil")
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}
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if config.APIEndpoint == "" {
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return nil, errors.New("infomaniak: missing API endpoint")
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}
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if config.AccessToken == "" {
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return nil, errors.New("infomaniak: missing access token")
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}
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client := internal.New(config.APIEndpoint, config.AccessToken)
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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{
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config: config,
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client: client,
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recordIDs: make(map[string]string),
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domainIDs: make(map[string]uint64),
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}, nil
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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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ikDomain, err := d.client.GetDomainByName(dns01.UnFqdn(fqdn))
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if err != nil {
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return fmt.Errorf("infomaniak: could not get domain %q: %w", fqdn, err)
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}
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d.domainIDsMu.Lock()
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d.domainIDs[token] = ikDomain.ID
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d.domainIDsMu.Unlock()
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subDomain, err := dns01.ExtractSubDomain(fqdn, ikDomain.CustomerName)
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if err != nil {
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return fmt.Errorf("infomaniak: %w", err)
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}
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record := internal.Record{
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Source: subDomain,
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Target: value,
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Type: "TXT",
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TTL: d.config.TTL,
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}
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recordID, err := d.client.CreateDNSRecord(ikDomain, record)
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if err != nil {
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return fmt.Errorf("infomaniak: error when calling api to create DNS record: %w", err)
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}
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d.recordIDsMu.Lock()
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d.recordIDs[token] = recordID
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d.recordIDsMu.Unlock()
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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, _ := dns01.GetRecord(domain, keyAuth)
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d.recordIDsMu.Lock()
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recordID, ok := d.recordIDs[token]
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d.recordIDsMu.Unlock()
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if !ok {
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return fmt.Errorf("infomaniak: unknown record ID for '%s'", fqdn)
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}
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d.domainIDsMu.Lock()
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domainID, ok := d.domainIDs[token]
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d.domainIDsMu.Unlock()
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if !ok {
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return fmt.Errorf("infomaniak: unknown domain ID for '%s'", fqdn)
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}
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err := d.client.DeleteDNSRecord(domainID, recordID)
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if err != nil {
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return fmt.Errorf("infomaniak: could not delete record %q: %w", dns01.UnFqdn(fqdn), err)
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}
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// Delete record ID from map
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d.recordIDsMu.Lock()
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delete(d.recordIDs, token)
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d.recordIDsMu.Unlock()
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// Delete domain ID from map
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d.domainIDsMu.Lock()
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delete(d.domainIDs, token)
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d.domainIDsMu.Unlock()
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return 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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