151 lines
4.5 KiB
Go
151 lines
4.5 KiB
Go
// Package telegraph has functions and types used for interacting with the
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// Telegraph API.
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package telegraph
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import (
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"encoding/json"
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"errors"
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"github.com/valyala/fasthttp"
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)
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// Telegraph constants
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const (
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// APIEndpoint should be presented in this for all queries to the Telegraph
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// API must be served over HTTPS.
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APIEndpoint = "https://api.telegra.ph/%s"
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// PathEndpoint used if a path parameter is present.
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PathEndpoint = "https://api.telegra.ph/%s/%s"
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)
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type (
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// Account represents a Telegraph account.
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Account struct {
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// Only returned by the createAccount and revokeAccessToken method.
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// Access token of the Telegraph account.
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AccessToken string `json:"access_token"` // optional
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// URL to authorize a browser on telegra.ph and connect it to a
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// Telegraph account. This URL is valid for only one use and for 5
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// minutes only.
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AuthURL string `json:"auth_url"` // optional
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// Account name, helps users with several accounts remember which they
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// are currently using. Displayed to the user above the "Edit/Publish"
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// button on Telegra.ph, other users don't see this name.
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ShortName string `json:"short_name"`
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// Default author name used when creating new articles.
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AuthorName string `json:"author_name"`
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// Profile link, opened when users click on the author's name below the
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// title. Can be any link, not necessarily to a Telegram profile or
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// channel.
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AuthorURL string `json:"author_url"`
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// Number of pages belonging to the Telegraph account.
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PageCount int `json:"page_count"` // optional
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}
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// PageList represents a list of Telegraph articles belonging to an
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// account. Most recently created articles first.
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PageList struct {
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// Total number of pages belonging to the target Telegraph account.
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TotalCount int `json:"total_count"`
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// Requested pages of the target Telegraph account.
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Pages []Page `json:"pages"`
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}
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// Page represents a page on Telegraph.
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Page struct {
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// Path to the page.
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Path string `json:"path"`
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// URL of the page.
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URL string `json:"url"`
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// Title of the page.
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Title string `json:"title"`
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// Description of the page.
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Description string `json:"description"`
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// Name of the author, displayed below the title.
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AuthorName string `json:"author_name"` // optional
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// Profile link, opened when users click on the author's name below
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// the title. Can be any link, not necessarily to a Telegram profile
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// or channel.
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AuthorURL string `json:"author_url"` // optional
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// Image URL of the page.
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ImageURL string `json:"image_url"` // optional
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// Content of the page.
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Content []Node `json:"content"` // optional
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// Number of page views for the page.
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Views int `json:"views"`
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// Only returned if access_token passed. True, if the target Telegraph
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// account can edit the page.
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CanEdit bool `json:"can_edit"` // optional
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}
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// PageViews represents the number of page views for a Telegraph article.
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PageViews struct {
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// Number of page views for the target page.
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Views int `json:"views"`
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}
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// Node is abstract object represents a DOM Node. It can be a String which
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// represents a DOM text node or a NodeElement object.
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Node interface{}
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// NodeElement represents a DOM element node.
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NodeElement struct {
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// Name of the DOM element. Available tags: a, aside, b, blockquote,
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// br, code, em, figcaption, figure, h3, h4, hr, i, iframe, img, li,
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// ol, p, pre, s, strong, u, ul, video.
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Tag string `json:"tag"`
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// Attributes of the DOM element. Key of object represents name of
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// attribute, value represents value of attribute. Available
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// attributes: href, src.
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Attrs map[string]string `json:"attrs"` // optional
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// List of child nodes for the DOM element.
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Children []Node `json:"children"` // optional
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}
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// Response represents a response from the Telegram API with the result
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// stored raw. If ok equals true, the request was successful, and the
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// result of the query can be found in the result field. In case of an
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// unsuccessful request, ok equals false, and the error is explained in
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// the error field (e.g. SHORT_NAME_REQUIRED).
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Response struct {
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Ok bool `json:"ok"`
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Error string `json:"error"`
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Result json.RawMessage `json:"result"`
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}
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)
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func request(url string, args *fasthttp.Args) (*Response, error) {
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_, res, err := fasthttp.Post(nil, url, args)
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if err != nil {
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return nil, err
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}
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var tResp Response
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if err := json.Unmarshal(res, &tResp); err != nil {
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return nil, err
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}
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if !tResp.Ok {
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return nil, errors.New(tResp.Error)
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}
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return &tResp, nil
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}
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