diff options
Diffstat (limited to 'integration/pocket/connector.go')
-rw-r--r-- | integration/pocket/connector.go | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/integration/pocket/connector.go b/integration/pocket/connector.go new file mode 100644 index 0000000..b3ed79d --- /dev/null +++ b/integration/pocket/connector.go @@ -0,0 +1,103 @@ +// Copyright 2018 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 pocket + +import ( + "errors" + "fmt" + "io/ioutil" + "net/url" + + "github.com/miniflux/miniflux/http/client" +) + +// Connector manages the authorization flow with Pocket to get a personal access token. +type Connector struct { + consumerKey string +} + +// RequestToken fetches a new request token from Pocket API. +func (c *Connector) RequestToken(redirectURL string) (string, error) { + type req struct { + ConsumerKey string `json:"consumer_key"` + RedirectURI string `json:"redirect_uri"` + } + + clt := client.New("https://getpocket.com/v3/oauth/request") + response, err := clt.PostJSON(&req{ConsumerKey: c.consumerKey, RedirectURI: redirectURL}) + if err != nil { + return "", fmt.Errorf("pocket: unable to fetch request token: %v", err) + } + + if response.HasServerFailure() { + return "", fmt.Errorf("pocket: unable to fetch request token, status=%d", response.StatusCode) + } + + body, err := ioutil.ReadAll(response.Body) + if err != nil { + return "", fmt.Errorf("pocket: unable to read response body: %v", err) + } + + values, err := url.ParseQuery(string(body)) + if err != nil { + return "", fmt.Errorf("pocket: unable to parse response: %v", err) + } + + code := values.Get("code") + if code == "" { + return "", errors.New("pocket: code is empty") + } + + return code, nil +} + +// AccessToken fetches a new access token once the end-user authorized the application. +func (c *Connector) AccessToken(requestToken string) (string, error) { + type req struct { + ConsumerKey string `json:"consumer_key"` + Code string `json:"code"` + } + + clt := client.New("https://getpocket.com/v3/oauth/authorize") + response, err := clt.PostJSON(&req{ConsumerKey: c.consumerKey, Code: requestToken}) + if err != nil { + return "", fmt.Errorf("pocket: unable to fetch access token: %v", err) + } + + if response.HasServerFailure() { + return "", fmt.Errorf("pocket: unable to fetch access token, status=%d", response.StatusCode) + } + + body, err := ioutil.ReadAll(response.Body) + if err != nil { + return "", fmt.Errorf("pocket: unable to read response body: %v", err) + } + + values, err := url.ParseQuery(string(body)) + if err != nil { + return "", fmt.Errorf("pocket: unable to parse response: %v", err) + } + + token := values.Get("access_token") + if token == "" { + return "", errors.New("pocket: access_token is empty") + } + + return token, nil +} + +// AuthorizationURL returns the authorization URL for the end-user. +func (c *Connector) AuthorizationURL(requestToken, redirectURL string) string { + return fmt.Sprintf( + "https://getpocket.com/auth/authorize?request_token=%s&redirect_uri=%s", + requestToken, + redirectURL, + ) +} + +// NewConnector returns a new Pocket Connector. +func NewConnector(consumerKey string) *Connector { + return &Connector{consumerKey} +} |