138 lines
3.1 KiB
Go
138 lines
3.1 KiB
Go
package mastodon
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"net/url"
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"path"
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"strings"
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)
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// Config is a setting for access mastodon APIs.
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type Config struct {
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Server string
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ClientID string
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ClientSecret string
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AccessToken string
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}
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// Client is a API client for mastodon.
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type Client struct {
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http.Client
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config *Config
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}
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func (c *Client) doAPI(method string, uri string, params url.Values, res interface{}) error {
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u, err := url.Parse(c.config.Server)
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if err != nil {
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return err
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}
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u.Path = path.Join(u.Path, uri)
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var resp *http.Response
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req, err := http.NewRequest(method, u.String(), strings.NewReader(params.Encode()))
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if err != nil {
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return err
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}
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req.Header.Set("Authorization", "Bearer "+c.config.AccessToken)
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resp, err = c.Do(req)
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if err != nil {
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return err
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}
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defer resp.Body.Close()
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if res == nil {
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return nil
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}
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if method == http.MethodGet && resp.StatusCode != http.StatusOK {
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return fmt.Errorf("bad request: %v", resp.Status)
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}
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return json.NewDecoder(resp.Body).Decode(&res)
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}
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// NewClient return new mastodon API client.
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func NewClient(config *Config) *Client {
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return &Client{
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Client: *http.DefaultClient,
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config: config,
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}
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}
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// Authenticate get access-token to the API.
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func (c *Client) Authenticate(username, password string) error {
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params := url.Values{}
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params.Set("client_id", c.config.ClientID)
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params.Set("client_secret", c.config.ClientSecret)
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params.Set("grant_type", "password")
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params.Set("username", username)
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params.Set("password", password)
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params.Set("scope", "read write follow")
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u, err := url.Parse(c.config.Server)
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if err != nil {
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return err
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}
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u.Path = path.Join(u.Path, "/oauth/token")
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req, err := http.NewRequest(http.MethodPost, u.String(), strings.NewReader(params.Encode()))
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if err != nil {
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return err
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}
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req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
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resp, err := c.Do(req)
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if err != nil {
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return err
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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return fmt.Errorf("bad authorization: %v", resp.Status)
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}
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res := struct {
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AccessToken string `json:"access_token"`
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}{}
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err = json.NewDecoder(resp.Body).Decode(&res)
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if err != nil {
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return err
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}
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c.config.AccessToken = res.AccessToken
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return nil
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}
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// Toot is struct to post status.
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type Toot struct {
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Status string `json:"status"`
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InReplyToID int64 `json:"in_reply_to_id"`
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MediaIDs []int64 `json:"media_ids"`
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Sensitive bool `json:"sensitive"`
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SpoilerText string `json:"spoiler_text"`
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Visibility string `json:"visibility"`
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}
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// Mention hold information for mention.
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type Mention struct {
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URL string `json:"url"`
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Username string `json:"username"`
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Acct string `json:"acct"`
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ID int64 `json:"id"`
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}
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// Tag hold information for tag.
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type Tag struct {
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Name string `json:"name"`
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URL string `json:"url"`
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}
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// Attachment hold information for attachment.
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type Attachment struct {
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ID int64 `json:"id"`
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Type string `json:"type"`
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URL string `json:"url"`
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RemoteURL string `json:"remote_url"`
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PreviewURL string `json:"preview_url"`
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TextURL string `json:"text_url"`
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}
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