128 lines
3.4 KiB
Go
128 lines
3.4 KiB
Go
// Copyright 2017 Frédéric Guillot. All rights reserved.
|
|
// Use of this source code is governed by the Apache 2.0
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package wallabag // import "miniflux.app/integration/wallabag"
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
"io"
|
|
"net/url"
|
|
|
|
"miniflux.app/http/client"
|
|
)
|
|
|
|
// Client represents a Wallabag client.
|
|
type Client struct {
|
|
baseURL string
|
|
clientID string
|
|
clientSecret string
|
|
username string
|
|
password string
|
|
onlyURL bool
|
|
}
|
|
|
|
// NewClient returns a new Wallabag client.
|
|
func NewClient(baseURL, clientID, clientSecret, username, password string, onlyURL bool) *Client {
|
|
return &Client{baseURL, clientID, clientSecret, username, password, onlyURL}
|
|
}
|
|
|
|
// AddEntry sends a link to Wallabag.
|
|
// Pass an empty string in `content` to let Wallabag fetch the article content.
|
|
func (c *Client) AddEntry(link, title, content string) error {
|
|
if c.baseURL == "" || c.clientID == "" || c.clientSecret == "" || c.username == "" || c.password == "" {
|
|
return fmt.Errorf("wallabag: missing credentials")
|
|
}
|
|
|
|
accessToken, err := c.getAccessToken()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return c.createEntry(accessToken, link, title, content)
|
|
}
|
|
|
|
func (c *Client) createEntry(accessToken, link, title, content string) error {
|
|
endpoint, err := getAPIEndpoint(c.baseURL, "/api/entries.json")
|
|
if err != nil {
|
|
return fmt.Errorf("wallbag: unable to get entries endpoint: %v", err)
|
|
}
|
|
|
|
data := map[string]string{"url": link, "title": title}
|
|
if !c.onlyURL {
|
|
data["content"] = content
|
|
}
|
|
|
|
clt := client.New(endpoint)
|
|
clt.WithAuthorization("Bearer " + accessToken)
|
|
response, err := clt.PostJSON(data)
|
|
if err != nil {
|
|
return fmt.Errorf("wallabag: unable to post entry: %v", err)
|
|
}
|
|
|
|
if response.HasServerFailure() {
|
|
return fmt.Errorf("wallabag: request failed, status=%d", response.StatusCode)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (c *Client) getAccessToken() (string, error) {
|
|
values := url.Values{}
|
|
values.Add("grant_type", "password")
|
|
values.Add("client_id", c.clientID)
|
|
values.Add("client_secret", c.clientSecret)
|
|
values.Add("username", c.username)
|
|
values.Add("password", c.password)
|
|
|
|
endpoint, err := getAPIEndpoint(c.baseURL, "/oauth/v2/token")
|
|
if err != nil {
|
|
return "", fmt.Errorf("wallbag: unable to get token endpoint: %v", err)
|
|
}
|
|
|
|
clt := client.New(endpoint)
|
|
response, err := clt.PostForm(values)
|
|
if err != nil {
|
|
return "", fmt.Errorf("wallabag: unable to get access token: %v", err)
|
|
}
|
|
|
|
if response.HasServerFailure() {
|
|
return "", fmt.Errorf("wallabag: request failed, status=%d", response.StatusCode)
|
|
}
|
|
|
|
token, err := decodeTokenResponse(response.Body)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
return token.AccessToken, nil
|
|
}
|
|
|
|
func getAPIEndpoint(baseURL, path string) (string, error) {
|
|
u, err := url.Parse(baseURL)
|
|
if err != nil {
|
|
return "", fmt.Errorf("wallabag: invalid API endpoint: %v", err)
|
|
}
|
|
u.Path = path
|
|
return u.String(), nil
|
|
}
|
|
|
|
type tokenResponse struct {
|
|
AccessToken string `json:"access_token"`
|
|
Expires int `json:"expires_in"`
|
|
RefreshToken string `json:"refresh_token"`
|
|
Scope string `json:"scope"`
|
|
TokenType string `json:"token_type"`
|
|
}
|
|
|
|
func decodeTokenResponse(body io.Reader) (*tokenResponse, error) {
|
|
var token tokenResponse
|
|
|
|
decoder := json.NewDecoder(body)
|
|
if err := decoder.Decode(&token); err != nil {
|
|
return nil, fmt.Errorf("wallabag: unable to decode token response: %v", err)
|
|
}
|
|
|
|
return &token, nil
|
|
}
|