checker-zonemaster/checker/collect.go

141 lines
3.5 KiB
Go

package checker
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"net/http"
"strings"
"time"
sdk "git.happydns.org/checker-sdk-go/checker"
)
func (p *zonemasterProvider) Collect(ctx context.Context, opts sdk.CheckerOptions) (any, error) {
domainName, ok := opts["domainName"].(string)
if !ok || domainName == "" {
return nil, fmt.Errorf("domainName is required")
}
domainName = strings.TrimSuffix(domainName, ".")
apiURL, ok := opts["zonemasterAPIURL"].(string)
if !ok || apiURL == "" {
apiURL = "https://zonemaster.net/api"
}
apiURL = strings.TrimSuffix(apiURL, "/")
language := "en"
if lang, ok := opts["language"].(string); ok && lang != "" {
language = lang
}
profile := "default"
if prof, ok := opts["profile"].(string); ok && prof != "" {
profile = prof
}
// Step 1: start the test.
startResult, err := zmCallJSONRPC(ctx, apiURL, "start_domain_test", zmStartTestParams{
Domain: domainName,
Profile: profile,
IPv4: true,
IPv6: true,
})
if err != nil {
return nil, fmt.Errorf("failed to start test: %w", err)
}
var testID string
if err = json.Unmarshal(startResult, &testID); err != nil {
return nil, fmt.Errorf("failed to parse test ID: %w", err)
}
if testID == "" {
return nil, fmt.Errorf("received empty test ID")
}
// Step 2: poll for completion.
ticker := time.NewTicker(2 * time.Second)
defer ticker.Stop()
for {
select {
case <-ctx.Done():
return nil, fmt.Errorf("test cancelled (test ID: %s): %w", testID, ctx.Err())
case <-ticker.C:
progressResult, err := zmCallJSONRPC(ctx, apiURL, "test_progress", zmProgressParams{TestID: testID})
if err != nil {
return nil, fmt.Errorf("failed to check progress: %w", err)
}
var progress float64
if err := json.Unmarshal(progressResult, &progress); err != nil {
return nil, fmt.Errorf("failed to parse progress: %w", err)
}
if progress >= 100 {
goto testComplete
}
}
}
testComplete:
// Step 3: fetch results.
rawResults, err := zmCallJSONRPC(ctx, apiURL, "get_test_results", zmGetResultsParams{
ID: testID,
Language: language,
})
if err != nil {
return nil, fmt.Errorf("failed to get results: %w", err)
}
var data ZonemasterData
if err := json.Unmarshal(rawResults, &data); err != nil {
return nil, fmt.Errorf("failed to parse results: %w", err)
}
data.Language = language
return &data, nil
}
// zmCallJSONRPC performs a single JSON-RPC 2.0 call and returns the raw result.
func zmCallJSONRPC(ctx context.Context, apiURL, method string, params any) (json.RawMessage, error) {
body, err := json.Marshal(zmJSONRPCRequest{
Jsonrpc: "2.0",
Method: method,
Params: params,
ID: 1,
})
if err != nil {
return nil, fmt.Errorf("failed to marshal request: %w", err)
}
req, err := http.NewRequestWithContext(ctx, http.MethodPost, apiURL, bytes.NewBuffer(body))
if err != nil {
return nil, fmt.Errorf("failed to create request: %w", err)
}
req.Header.Set("Content-Type", "application/json")
resp, err := http.DefaultClient.Do(req)
if err != nil {
return nil, fmt.Errorf("failed to call API: %w", err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
b, _ := io.ReadAll(resp.Body)
return nil, fmt.Errorf("API returned status %d: %s", resp.StatusCode, string(b))
}
var rpcResp zmJSONRPCResponse
if err := json.NewDecoder(resp.Body).Decode(&rpcResp); err != nil {
return nil, fmt.Errorf("failed to decode response: %w", err)
}
if rpcResp.Error != nil {
return nil, fmt.Errorf("API error %d: %s", rpcResp.Error.Code, rpcResp.Error.Message)
}
return rpcResp.Result, nil
}