mirror of https://github.com/miniflux/v2.git
133 lines
4.0 KiB
Go
133 lines
4.0 KiB
Go
// SPDX-FileCopyrightText: Copyright The Miniflux Authors. All rights reserved.
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// SPDX-License-Identifier: Apache-2.0
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package pocket // import "miniflux.app/v2/internal/integration/pocket"
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import (
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"bytes"
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"encoding/json"
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"errors"
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"fmt"
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"net/http"
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"miniflux.app/v2/internal/version"
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)
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// Connector manages the authorization flow with Pocket to get a personal access token.
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type Connector struct {
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consumerKey string
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}
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// NewConnector returns a new Pocket Connector.
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func NewConnector(consumerKey string) *Connector {
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return &Connector{consumerKey}
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}
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// RequestToken fetches a new request token from Pocket API.
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func (c *Connector) RequestToken(redirectURL string) (string, error) {
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apiEndpoint := "https://getpocket.com/v3/oauth/request"
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requestBody, err := json.Marshal(&createTokenRequest{ConsumerKey: c.consumerKey, RedirectURI: redirectURL})
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if err != nil {
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return "", fmt.Errorf("pocket: unable to encode request body: %v", err)
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}
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request, err := http.NewRequest(http.MethodPost, apiEndpoint, bytes.NewReader(requestBody))
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if err != nil {
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return "", fmt.Errorf("pocket: unable to create request: %v", err)
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}
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request.Header.Set("Content-Type", "application/json")
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request.Header.Set("X-Accept", "application/json")
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request.Header.Set("User-Agent", "Miniflux/"+version.Version)
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httpClient := &http.Client{Timeout: defaultClientTimeout}
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response, err := httpClient.Do(request)
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if err != nil {
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return "", fmt.Errorf("pocket: unable to send request: %v", err)
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}
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defer response.Body.Close()
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if response.StatusCode >= 400 {
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return "", fmt.Errorf("pocket: unable get request token: url=%s status=%d", apiEndpoint, response.StatusCode)
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}
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var result createTokenResponse
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if err := json.NewDecoder(response.Body).Decode(&result); err != nil {
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return "", fmt.Errorf("pocket: unable to decode response: %v", err)
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}
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if result.Code == "" {
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return "", errors.New("pocket: request token is empty")
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}
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return result.Code, nil
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}
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// AccessToken fetches a new access token once the end-user authorized the application.
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func (c *Connector) AccessToken(requestToken string) (string, error) {
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apiEndpoint := "https://getpocket.com/v3/oauth/authorize"
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requestBody, err := json.Marshal(&authorizeRequest{ConsumerKey: c.consumerKey, Code: requestToken})
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if err != nil {
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return "", fmt.Errorf("pocket: unable to encode request body: %v", err)
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}
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request, err := http.NewRequest(http.MethodPost, apiEndpoint, bytes.NewReader(requestBody))
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if err != nil {
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return "", fmt.Errorf("pocket: unable to create request: %v", err)
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}
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request.Header.Set("Content-Type", "application/json")
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request.Header.Set("X-Accept", "application/json")
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request.Header.Set("User-Agent", "Miniflux/"+version.Version)
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httpClient := &http.Client{Timeout: defaultClientTimeout}
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response, err := httpClient.Do(request)
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if err != nil {
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return "", fmt.Errorf("pocket: unable to send request: %v", err)
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}
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defer response.Body.Close()
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if response.StatusCode >= 400 {
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return "", fmt.Errorf("pocket: unable get access token: url=%s status=%d", apiEndpoint, response.StatusCode)
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}
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var result authorizeReponse
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if err := json.NewDecoder(response.Body).Decode(&result); err != nil {
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return "", fmt.Errorf("pocket: unable to decode response: %v", err)
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}
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if result.AccessToken == "" {
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return "", errors.New("pocket: access token is empty")
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}
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return result.AccessToken, nil
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}
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// AuthorizationURL returns the authorization URL for the end-user.
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func (c *Connector) AuthorizationURL(requestToken, redirectURL string) string {
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return fmt.Sprintf(
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"https://getpocket.com/auth/authorize?request_token=%s&redirect_uri=%s",
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requestToken,
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redirectURL,
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)
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}
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type createTokenRequest struct {
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ConsumerKey string `json:"consumer_key"`
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RedirectURI string `json:"redirect_uri"`
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}
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type createTokenResponse struct {
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Code string `json:"code"`
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}
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type authorizeRequest struct {
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ConsumerKey string `json:"consumer_key"`
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Code string `json:"code"`
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}
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type authorizeReponse struct {
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AccessToken string `json:"access_token"`
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Username string `json:"username"`
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}
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