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mastodon-bot/mastodon_bot/twitter_api.cljs
2020-04-30 09:08:51 +02:00

58 lines
2.3 KiB
Clojure
Executable file

(ns mastodon-bot.twitter-api
(:require
[clojure.set :refer [rename-keys]]
[clojure.string :as string]
["deasync" :as deasync]
["request" :as request]
["twitter" :as twitter]))
(defn resolve-url [[uri]]
(try
(or
(some-> ((deasync request)
#js {:method "GET"
:uri (if (string/starts-with? uri "https://") uri (str "https://" uri))
:followRedirect false})
(.-headers)
(.-location)
(string/replace "?mbid=social_twitter" ""))
uri)
(catch js/Error _ uri)))
(def shortened-url-pattern #"(https?://)?(?:\S+(?::\S*)?@)?(?:(?!(?:10|127)(?:\.\d{1,3}){3})(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)(?:\.(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)*(?:\.(?:[a-z\u00a1-\uffff]{2,}))\.?)(?::\d{2,5})?(?:[/?#]\S*)?")
(defn resolve-urls [text]
(cond-> text
(:resolve-urls? mastodon-config)
(string/replace shortened-url-pattern resolve-url)
(:nitter-urls? mastodon-config)
(string/replace #"https://twitter.com" "https://nitter.net")))
; If the text ends in a link to the media (which is uploaded anyway),
; chop it off instead of including the link in the toot
(defn chop-tail-media-url [text media]
(string/replace text #" (\S+)$" #(if (in (%1 1) (map :url media)) "" (%1 0))))
(defn parse-tweet [{created-at :created_at
text :full_text
{:keys [media]} :extended_entities
{:keys [screen_name]} :user :as tweet}]
{:created-at (js/Date. created-at)
:text (trim-text (str (chop-tail-media-url text media) (if append-screen-name? ("\n - " screen_name) "")))
:media-links (keep #(when (= (:type %) "photo") (:media_url_https %)) media)})
(defn post-tweets [last-post-time]
(fn [error tweets response]
(if error
(exit-with-error error)
(->> (js->edn tweets)
(map parse-tweet)
(post-items last-post-time)))))
(defn twitter-client [access-keys]
(try
(twitter. (clj->js access-keys))
(catch js/Error e
(exit-with-error
(str "failed to connect to Twitter: " (.-message e))))))