83 lines
2.0 KiB
JavaScript
83 lines
2.0 KiB
JavaScript
'use strict';
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const config = require('config');
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const fetch = require('node-fetch');
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async function fetchPredata() {
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const data = {
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limit: 0,
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remaining: 0,
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};
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data.setRemaining = (remaining) => {
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data.remaining = remaining;
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};
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const res = await fetch('https://api.imgur.com/3/credits', {
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headers: {
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Authorization: `Client-ID ${config.methods.imgur.clientId}`,
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},
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});
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if (res.ok) {
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const body = await res.json();
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if (body.success) {
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data.limit = body.data.UserLimit;
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data.remaining = body.data.UserRemaining;
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}
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}
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return data;
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}
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async function imgurImageApi(host, post, { predata }) {
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if (predata.remaining === 10) { // keep a buffer
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throw new Error(`Reached Imgur API rate limit with source '${host.url}'`);
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}
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const res = await fetch(`https://api.imgur.com/3/image/${host.id}`, {
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headers: {
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Authorization: `Client-ID ${config.methods.imgur.clientId}`,
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},
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});
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const rateRemaining = Number(res.headers.get('x-ratelimit-userremaining'));
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if (rateRemaining) {
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predata.setRemaining(rateRemaining);
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}
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if (!res.ok) {
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throw new Error(`Imgur API returned HTTP ${res.status} for source '${host.url}'`);
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}
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const { data } = await res.json();
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if (res.status !== 200) {
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throw new Error(`Could not fetch info for imgur image '${host.id}': ${data.error}`);
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}
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return {
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album: null,
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items: [{
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id: data.id,
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url: data.animated ? data.mp4 : data.link,
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title: data.title,
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description: data.description,
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type: data.animated ? 'video/mp4' : data.type,
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datetime: new Date(data.datetime * 1000),
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original: data,
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}],
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};
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}
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async function imgurImage(host, post, context) {
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return imgurImageApi(host, post, context);
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}
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module.exports = {
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fetchInfo: imgurImage,
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fetchPredata,
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};
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