84 lines
2.1 KiB
Go
84 lines
2.1 KiB
Go
// SPDX-FileCopyrightText: Copyright The Miniflux Authors. All rights reserved.
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
package rssbridge // import "miniflux.app/v2/internal/integration/rssbridge"
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
"log/slog"
|
|
"net/http"
|
|
"net/url"
|
|
"strings"
|
|
"time"
|
|
)
|
|
|
|
const defaultClientTimeout = 30 * time.Second
|
|
|
|
type Bridge struct {
|
|
URL string `json:"url"`
|
|
BridgeMeta BridgeMeta `json:"bridgeMeta"`
|
|
}
|
|
|
|
type BridgeMeta struct {
|
|
Name string `json:"name"`
|
|
}
|
|
|
|
func DetectBridges(rssBridgeURL, websiteURL string) ([]*Bridge, error) {
|
|
endpointURL, err := url.Parse(rssBridgeURL)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("RSS-Bridge: unable to parse bridge URL: %w", err)
|
|
}
|
|
|
|
values := endpointURL.Query()
|
|
values.Add("action", "findfeed")
|
|
values.Add("format", "atom")
|
|
values.Add("url", websiteURL)
|
|
endpointURL.RawQuery = values.Encode()
|
|
|
|
slog.Debug("Detecting RSS bridges", slog.String("url", endpointURL.String()))
|
|
|
|
request, err := http.NewRequest(http.MethodGet, endpointURL.String(), nil)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("RSS-Bridge: unable to create request: %w", err)
|
|
}
|
|
|
|
httpClient := &http.Client{Timeout: defaultClientTimeout}
|
|
|
|
response, err := httpClient.Do(request)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("RSS-Bridge: unable to execute request: %w", err)
|
|
}
|
|
defer response.Body.Close()
|
|
|
|
if response.StatusCode == http.StatusNotFound {
|
|
return nil, nil
|
|
}
|
|
|
|
if response.StatusCode > 400 {
|
|
return nil, fmt.Errorf("RSS-Bridge: unexpected status code %d", response.StatusCode)
|
|
}
|
|
|
|
var bridgeResponse []*Bridge
|
|
if err := json.NewDecoder(response.Body).Decode(&bridgeResponse); err != nil {
|
|
return nil, fmt.Errorf("RSS-Bridge: unable to decode bridge response: %w", err)
|
|
}
|
|
|
|
for _, bridge := range bridgeResponse {
|
|
slog.Debug("Found RSS bridge",
|
|
slog.String("name", bridge.BridgeMeta.Name),
|
|
slog.String("url", bridge.URL),
|
|
)
|
|
|
|
if strings.HasPrefix(bridge.URL, "./") {
|
|
bridge.URL = rssBridgeURL + bridge.URL[2:]
|
|
|
|
slog.Debug("Rewrited relative RSS bridge URL",
|
|
slog.String("name", bridge.BridgeMeta.Name),
|
|
slog.String("url", bridge.URL),
|
|
)
|
|
}
|
|
}
|
|
|
|
return bridgeResponse, nil
|
|
}
|