// SPDX-FileCopyrightText: Copyright The Miniflux Authors. All rights reserved. // SPDX-License-Identifier: Apache-2.0 package shaarli // import "miniflux.app/v2/internal/integration/shaarli" import ( "bytes" "crypto/hmac" "crypto/sha512" "encoding/base64" "encoding/json" "fmt" "net/http" "time" "miniflux.app/v2/internal/urllib" "miniflux.app/v2/internal/version" ) const defaultClientTimeout = 10 * time.Second type Client struct { baseURL string apiSecret string } func NewClient(baseURL, apiSecret string) *Client { return &Client{baseURL: baseURL, apiSecret: apiSecret} } func (c *Client) CreateLink(entryURL, entryTitle string) error { if c.baseURL == "" || c.apiSecret == "" { return fmt.Errorf("shaarli: missing base URL or API secret") } apiEndpoint, err := urllib.JoinBaseURLAndPath(c.baseURL, "/api/v1/links") if err != nil { return fmt.Errorf("shaarli: invalid API endpoint: %v", err) } requestBody, err := json.Marshal(&addLinkRequest{ URL: entryURL, Title: entryTitle, Private: true, }) if err != nil { return fmt.Errorf("shaarli: unable to encode request body: %v", err) } request, err := http.NewRequest(http.MethodPost, apiEndpoint, bytes.NewReader(requestBody)) if err != nil { return fmt.Errorf("shaarli: unable to create request: %v", err) } request.Header.Set("Content-Type", "application/json") request.Header.Set("Accept", "application/json") request.Header.Set("User-Agent", "Miniflux/"+version.Version) request.Header.Set("Authorization", "Bearer "+c.generateBearerToken()) httpClient := &http.Client{Timeout: defaultClientTimeout} response, err := httpClient.Do(request) if err != nil { return fmt.Errorf("shaarli: unable to send request: %v", err) } defer response.Body.Close() if response.StatusCode != http.StatusCreated { return fmt.Errorf("shaarli: unable to add link: url=%s status=%d", apiEndpoint, response.StatusCode) } return nil } func (c *Client) generateBearerToken() string { header := base64.RawURLEncoding.EncodeToString([]byte(`{"typ":"JWT","alg":"HS512"}`)) payload := base64.RawURLEncoding.EncodeToString([]byte(fmt.Sprintf(`{"iat":%d}`, time.Now().Unix()))) data := header + "." + payload mac := hmac.New(sha512.New, []byte(c.apiSecret)) mac.Write([]byte(data)) signature := base64.RawURLEncoding.EncodeToString(mac.Sum(nil)) return data + "." + signature } type addLinkRequest struct { URL string `json:"url"` Title string `json:"title"` Private bool `json:"private"` }