add gfycat.com support (fixes #15)

config.js.template

@@ -38,7 +38,7 @@ const config = {
     searches: 600,
     sidebar: 60 * 60 * 24 * 7, // 7 days
     shorts: 60 * 60 * 24 * 31,
-    wikis: 60* 60 * 24 * 7,
+    wikis: 60 * 60 * 24 * 7,
     subreddits_explore: {
       front: 60 * 60 * 24 * 1,
       new_page: 60
@@ -51,6 +51,7 @@ const config = {
     reddit: true, // old.reddit.com and reddit.com --> instance domain (config.domain)
   },
   valid_media_domains: ['preview.redd.it', 'external-preview.redd.it', 'i.redd.it', 'v.redd.it', 'a.thumbs.redditmedia.com', 'b.thumbs.redditmedia.com', 'emoji.redditmedia.com', 'thumbs.gfycat.com', 'i.ytimg.com'],
+  valid_embed_video_domains: ['gfycat.com', 'youtube.com'],
   reddit_api_error_text: `Seems like your instance is either blocked (e.g. due to API rate limiting), reddit is currently down, or your API key is expired and not renewd properly. This can also happen for other reasons.`
 };
 

inc/downloadAndSave.js

@@ -35,7 +35,8 @@ module.exports = function(tools) {
               if (file_prefix === 'flair_') {
                 // Flair emojis end in the name without a file extension
                 file_ext = 'png'
-              } else if(!pathname.includes('.')) {                /**
+              } else if(!pathname.includes('.')) {
+                /**
                 * Sometimes reddit API returns video without extension, like
                 * "DASH_480" and not "DASH_480.mp4".
                 */
@@ -57,6 +58,9 @@ module.exports = function(tools) {
                 resolve('')
               } else {
                 let filename = `${temp_url.pathname.substr(1).split('/')[0]}.${file_ext}`
+                if(temp_url.hostname === 'thumbs.gfycat.com')
+                  filename = `${temp_url.pathname.substr(1).split('/')[0]}`
+                
                 let path = `./static/vids/${dir}${filename}`
                 let temp_path = `./static/vids/${dir}temp_${filename}`
                 if(!fs.existsSync(path)) {

inc/processJsonPost.js

@@ -39,12 +39,17 @@ module.exports = function(fetch) {
           user_flair: (user_preferences.flairs != 'false' ? await formatUserFlair(post) : '')
         }
 
-        let validEmbedDomains = ['gfycat.com', 'youtube.com']
+        let valid_embed_video_domains = ['gfycat.com']
         let has_gif = false
         let gif_to_mp4 = null
         let reddit_video = null
+        let embed_video = false
+        
+        if(post.media)
+          if(valid_embed_video_domains.includes(post.media.type))
+            embed_video = true
 
-        if(post.preview) {
+        if(post.preview && !embed_video) {
           if(post.preview.reddit_video_preview) {
             if(post.preview.reddit_video_preview.is_gif) {
               has_gif = true

inc/processPostMedia.js

@@ -3,28 +3,17 @@ module.exports = function() {
   this.processPostMedia = (obj, post, post_media, has_gif, reddit_video, gif_to_mp4) => {
     return new Promise(resolve => {
       (async () => {
-        let valid_embed_domains = ['gfycat.com', 'youtube.com']
         if(post_media || has_gif) {
           if(!has_gif) {
-            if(valid_embed_domains.includes(post_media.type)) {
+            if(config.valid_embed_video_domains.includes(post_media.type)) {
               if(post_media.type === 'gfycat.com') {
                 obj.has_media = true
+                let video_url = post_media.oembed.thumbnail_url
+                video_url = video_url.replace('size_restricted.gif', 'mobile.mp4')
                 obj.media = {
-                  source: await downloadAndSave(post_media.oembed.thumbnail_url),
+                  source: await downloadAndSave(video_url),
                   height: post_media.oembed.thumbnail_height,
-                  width: post_media.oembed.thumbnail_width,
+                  width: post_media.oembed.thumbnail_width
-                  duration: null,
-                  is_gif: null,
-                  not_hosted_in_reddit: true,
-                  embed_src: null
-                }
-                try {
-                  let str = post_media.oembed.html
-                  let r = /iframe.*?src=\"(.*?)\"/;
-                  let src = r.exec(str)[1]
-                  obj.media.embed_src = cleanUrl(src)
-                } catch(error) {
-                  console.error(`Error while trying to get src link from embed html.`, error)
                 }
               }
               if(post_media.type === 'youtube.com') {