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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,99 +1,114 @@ | ||
| package directadmin | ||
|
|
||
| import ( | ||
| "context" | ||
| "errors" | ||
| "fmt" | ||
| "net/http" | ||
| "os" | ||
| "strings" | ||
| "time" | ||
|
|
||
| "github.com/go-acme/lego/v4/challenge/dns01" | ||
| "github.com/go-acme/lego/v4/log" | ||
| "github.com/go-acme/lego/v4/platform/config/env" | ||
| "github.com/go-acme/lego/v4/providers/dns/directadmin/internal" | ||
| ) | ||
|
|
||
| // DNSProvider implements the challenge.Provider interface | ||
| type DNSProvider struct { | ||
| apiURL string | ||
| username string | ||
| password string | ||
| } | ||
| // Environment variables names. | ||
| const ( | ||
| envNamespace = "DIRECTADMIN_" | ||
|
|
||
| // NewDNSProvider creates a new DNSProvider instance | ||
| func NewDNSProvider() (*DNSProvider, error) { | ||
| apiURL := getEnv("DIRECTADMIN_API_URL", "https://api.directadmin.com") | ||
| username := getEnv("DIRECTADMIN_USERNAME", "default_username") | ||
| password := getEnv("DIRECTADMIN_PASSWORD", "default_password") | ||
|
|
||
| return &DNSProvider{ | ||
| apiURL: apiURL, | ||
| username: username, | ||
| password: password, | ||
| }, nil | ||
| EnvAPIURL = envNamespace + "API_URL" | ||
| EnvUsername = envNamespace + "USERNAME" | ||
| EnvPassword = envNamespace + "PASSWORD" | ||
|
|
||
| EnvTTL = envNamespace + "TTL" | ||
| EnvPropagationTimeout = envNamespace + "PROPAGATION_TIMEOUT" | ||
| EnvPollingInterval = envNamespace + "POLLING_INTERVAL" | ||
| EnvHTTPTimeout = envNamespace + "HTTP_TIMEOUT" | ||
| ) | ||
|
|
||
| // Config is used to configure the creation of the DNSProvider. | ||
| type Config struct { | ||
| BaseURL string | ||
| Username string | ||
| Password string | ||
| TTL int | ||
| PropagationTimeout time.Duration | ||
| PollingInterval time.Duration | ||
| HTTPClient *http.Client | ||
| } | ||
|
|
||
| // getEnv reads an environment variable and returns the value or a default value if the environment variable is not set. | ||
| func getEnv(key, defaultValue string) string { | ||
| if value, exists := os.LookupEnv(key); exists { | ||
| return value | ||
| // NewDefaultConfig returns a default configuration for the DNSProvider. | ||
| func NewDefaultConfig() *Config { | ||
| return &Config{ | ||
| BaseURL: env.GetOrDefaultString(EnvAPIURL, internal.DefaultBaseURL), | ||
| TTL: env.GetOrDefaultInt(EnvTTL, 30), | ||
| PropagationTimeout: env.GetOrDefaultSecond(EnvPropagationTimeout, 60*time.Second), | ||
| PollingInterval: env.GetOrDefaultSecond(EnvPollingInterval, 5*time.Second), | ||
| HTTPClient: &http.Client{ | ||
| Timeout: env.GetOrDefaultSecond(EnvHTTPTimeout, 30*time.Second), | ||
| }, | ||
| } | ||
| return defaultValue | ||
| } | ||
|
|
||
| // Present creates a TXT record to fulfill the DNS-01 challenge | ||
| func (d *DNSProvider) Present(domain, token, keyAuth string) error { | ||
| info := dns01.GetChallengeInfo(domain, keyAuth) | ||
|
|
||
| url := fmt.Sprintf("%s/CMD_API_DNS_CONTROL?domain=%s&json=yes", d.apiURL, domain) | ||
| data := fmt.Sprintf("action=add&type=TXT&name=_acme-challenge&value=%s", info.Value) | ||
| // DNSProvider implements the challenge.Provider interface. | ||
| type DNSProvider struct { | ||
| client *internal.Client | ||
| } | ||
|
|
||
| req, err := http.NewRequest("POST", url, strings.NewReader(data)) | ||
| // NewDNSProvider returns a DNSProvider instance configured for DirectAdmin. | ||
| // Credentials must be passed in the environment variables: | ||
| // DIRECTADMIN_API_URL, DIRECTADMIN_USERNAME, DIRECTADMIN_PASSWORD. | ||
| func NewDNSProvider() (*DNSProvider, error) { | ||
| values, err := env.Get(EnvUsername, EnvPassword) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to create request: %w", err) | ||
| return nil, fmt.Errorf("directadmin: %w", err) | ||
| } | ||
|
|
||
| req.SetBasicAuth(d.username, d.password) | ||
| req.Header.Add("Content-Type", "application/x-www-form-urlencoded") | ||
| config := NewDefaultConfig() | ||
| config.Username = values[EnvUsername] | ||
| config.Password = values[EnvPassword] | ||
|
|
||
| client := &http.Client{} | ||
| resp, err := client.Do(req) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to execute request: %w", err) | ||
| return NewDNSProviderConfig(config) | ||
| } | ||
|
|
||
| // NewDNSProviderConfig return a DNSProvider instance configured for DirectAdmin. | ||
| func NewDNSProviderConfig(config *Config) (*DNSProvider, error) { | ||
| if config.BaseURL == "" { | ||
| return nil, errors.New("directadmin: missing API URL") | ||
| } | ||
| defer resp.Body.Close() | ||
|
|
||
| if resp.StatusCode != http.StatusOK { | ||
| return fmt.Errorf("unexpected status code: %d", resp.StatusCode) | ||
| if config.Username == "" || config.Password == "" { | ||
| return nil, errors.New("directadmin: some credentials information are missing") | ||
| } | ||
|
|
||
| log.Infof("Presented TXT record for domain %s", domain) | ||
| return nil | ||
| client, err := internal.NewClient(config.BaseURL, config.Username, config.Password) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("directadmin: %w", err) | ||
| } | ||
|
|
||
| return &DNSProvider{client: client}, nil | ||
| } | ||
|
|
||
| // CleanUp removes the TXT record created for the DNS-01 challenge | ||
| func (d *DNSProvider) CleanUp(domain, token, keyAuth string) error { | ||
| // Present creates a TXT record using the specified parameters. | ||
| func (d *DNSProvider) Present(domain, token, keyAuth string) error { | ||
| info := dns01.GetChallengeInfo(domain, keyAuth) | ||
|
|
||
| url := fmt.Sprintf("%s/CMD_API_DNS_CONTROL?domain=%s&json=yes", d.apiURL, domain) | ||
| data := fmt.Sprintf("action=delete&type=TXT&name=_acme-challenge&value=%s", info.Value) | ||
|
|
||
| req, err := http.NewRequest("POST", url, strings.NewReader(data)) | ||
| err := d.client.SetRecord(context.Background(), info.EffectiveFQDN, info.Value) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to create request: %w", err) | ||
| return fmt.Errorf("directadmin: %w", err) | ||
| } | ||
|
|
||
| req.SetBasicAuth(d.username, d.password) | ||
| req.Header.Add("Content-Type", "application/x-www-form-urlencoded") | ||
| return nil | ||
| } | ||
|
|
||
| client := &http.Client{} | ||
| resp, err := client.Do(req) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to execute request: %w", err) | ||
| } | ||
| defer resp.Body.Close() | ||
| // CleanUp removes the TXT record matching the specified parameters. | ||
| func (d *DNSProvider) CleanUp(domain, token, keyAuth string) error { | ||
| info := dns01.GetChallengeInfo(domain, keyAuth) | ||
|
|
||
| if resp.StatusCode != http.StatusOK { | ||
| return fmt.Errorf("unexpected status code: %d", resp.StatusCode) | ||
| err := d.client.DeleteRecord(context.Background(), info.EffectiveFQDN, info.Value) | ||
| if err != nil { | ||
| return fmt.Errorf("directadmin: %w", err) | ||
| } | ||
|
|
||
| log.Infof("Cleaned up TXT record for domain %s", domain) | ||
| return nil | ||
| } |
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