Reintroduced imgur API as a fallback method.

config/default.js

@@ -67,4 +67,9 @@ module.exports = {
             scope: 'history identity mysubreddits read subscribe',
         },
     },
+    methods: {
+        imgur: {
+            clientId: null,
+        },
+    },
 };

src/methods/imgurAlbum.js

@@ -4,12 +4,57 @@ const config = require('config');
 const fetch = require('node-fetch');
 const mime = require('mime-types');
 
+async function imgurAlbumApi(post) {
+    return fetch(`https://api.imgur.com/3/album/${post.host.id}`, {
+        headers: {
+            Authorization: `Client-ID ${config.methods.imgur.clientId}`,
+        },
+    }).then(res => res.json()).then((res) => {
+        if (res.status !== 200) {
+            throw new Error(`Could not fetch info for imgur album '${post.host.id}': ${res.data.error} (${post.permalink})`);
+        }
+
+        const extract = config.library.album.extractSingleItem && res.data.images.length === 1;
+
+        if (extract) {
+            console.log('\x1b[36m%s\x1b[0m', `Extracting single item from album '${post.title}' - ${res.data.link}`);
+        }
+
+        return {
+            album: extract ? null : {
+                id: res.data.id,
+                url: res.data.link,
+                title: res.data.title,
+                description: res.data.description,
+                datetime: new Date(res.data.datetime * 1000),
+                original: res.data,
+            },
+            items: res.data.images.map(item => ({
+                extracted: extract,
+                id: item.id,
+                url: item.animated ? item.mp4 : item.link,
+                title: item.title || (extract ? res.data.title : null),
+                description: item.description || (extract ? res.data.description : null),
+                type: item.animated ? 'video/mp4' : item.type,
+                datetime: item.datetime * 1000,
+                original: item,
+            })),
+        };
+    });
+}
+
 async function imgurAlbum(post) {
     const res = await fetch(`https://imgur.com/a/${post.host.id}`);
     const html = await res.text();
 
     if (res.status !== 200) {
-        throw new Error(`Could not fetch info for imgur image '${post.host.id}': '${res.statusText}'`);
+        if (config.methods.imgur.clientId) {
+            console.log('\x1b[31m%s\x1b[0m', `Could not fetch info for direct imgur album '${post.host.id}' (${res.statusText}), trying API fallback (${post.permalink})`);
+
+            return imgurAlbumApi(post);
+        }
+
+        throw new Error(`Could not fetch info for imgur album '${post.host.id}' (${res.statusText}) no API fallback configured (${post.permalink})`);
     }
 
     const dataString = html.replace(/\s+/g, ' ').match(/}}, item:(.*)}; var PREBID_TIMEOUT/)[1];

src/methods/imgurImage.js

@@ -1,15 +1,45 @@
 'use strict';
 
+const config = require('config');
 const fetch = require('node-fetch');
 
-async function imgurImage(post) {
-    console.log(post.host);
+async function imgurImageApi(post) {
+    return fetch(`https://api.imgur.com/3/image/${post.host.id}`, {
+        headers: {
+            Authorization: `Client-ID ${config.methods.imgur.clientId}`,
+        },
+    }).then(res => res.json()).then((res) => {
+        if (res.status !== 200) {
+            throw new Error(`Could not fetch info for imgur image '${post.host.id}': ${res.data.error} (${post.permalink})`);
+        }
 
+        return {
+            album: null,
+            items: [{
+                id: res.data.id,
+                url: res.data.animated ? res.data.mp4 : res.data.link,
+                title: res.data.title,
+                description: res.data.description,
+                type: res.data.animated ? 'video/mp4' : res.data.type,
+                datetime: new Date(res.data.datetime * 1000),
+                original: res.data,
+            }],
+        };
+    });
+}
+
+async function imgurImage(post) {
     const res = await fetch(`https://imgur.com/${post.host.id}`);
     const html = await res.text();
 
     if (res.status !== 200) {
-        throw new Error(`Could not fetch info for imgur image '${post.host.id}': '${res.statusText}'`);
+        if (config.methods.imgur.clientId) {
+            console.log('\x1b[31m%s\x1b[0m', `Could not scrape info for imgur image '${post.host.id}' (${res.statusText}), trying API fallback (${post.permalink})`);
+
+            return imgurImageApi(post);
+        }
+
+        throw new Error(`Could not scrape info for imgur image '${post.host.id}' (${res.statusText}), no API fallback configured (${post.permalink})`);
     }
 
     const dataString = html.replace(/\s+/g, ' ').match(/}}, item:(.*)}; var PREBID_TIMEOUT/)[1];