241 lines
9.5 KiB
Python
241 lines
9.5 KiB
Python
from flask import Flask, render_template, request, redirect
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import youtube_dl
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import textwrap
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import twitter
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import pymongo
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import json
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import re
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import os
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app = Flask(__name__)
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pathregex = re.compile("\\w{1,15}\\/status\\/\\d{19}")
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discord_user_agents = ["Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:38.0) Gecko/20100101 Firefox/38.0", "Mozilla/5.0 (compatible; Discordbot/2.0; +https://discordapp.com)"]
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# Read config from config.json. If it does not exist, create new.
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if not os.path.exists("config.json"):
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with open("config.json", "w") as outfile:
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default_config = {"config":{"link_cache":"json","database":"[url to mongo database goes here]","method":"youtube-dl", "color":"#43B581", "appname": "TwitFix", "repo": "https://github.com/robinuniverse/twitfix", "url": "https://fxtwitter.com"},"api":{"api_key":"[api_key goes here]","api_secret":"[api_secret goes here]","access_token":"[access_token goes here]","access_secret":"[access_secret goes here]"}}
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json.dump(default_config, outfile, indent=4, sort_keys=True)
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config = default_config
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else:
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f = open("config.json")
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config = json.load(f)
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f.close()
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# If method is set to API or Hybrid, attempt to auth with the Twitter API
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if config['config']['method'] in ('api', 'hybrid'):
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auth = twitter.oauth.OAuth(config['api']['access_token'], config['api']['access_secret'], config['api']['api_key'], config['api']['api_secret'])
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twitter_api = twitter.Twitter(auth=auth)
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link_cache_system = config['config']['link_cache']
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if link_cache_system == "json":
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link_cache = {}
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if not os.path.exists("config.json"):
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with open("config.json", "w") as outfile:
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default_link_cache = {"test":"test"}
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json.dump(default_link_cache, outfile, indent=4, sort_keys=True)
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f = open('links.json',)
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link_cache = json.load(f)
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f.close()
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elif link_cache_system == "db":
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client = pymongo.MongoClient(config['config']['database'], connect=False)
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db = client.TwitFix
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@app.route('/') # If the useragent is discord, return the embed, if not, redirect to configured repo directly
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def default():
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user_agent = request.headers.get('user-agent')
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if user_agent in discord_user_agents:
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return message("TwitFix is an attempt to fix twitter video embeds in discord! created by Robin Universe :)\n\n💖\n\nClick me to be redirected to the repo!")
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else:
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return redirect(config['config']['repo'], 301)
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@app.route('/oembed.json')
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def oembedend():
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desc = request.args.get("desc", None)
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user = request.args.get("user", None)
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link = request.args.get("link", None)
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return o_embed_gen(desc,user,link)
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@app.route('/<path:sub_path>')
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def twitfix(sub_path):
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user_agent = request.headers.get('user-agent')
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match = pathregex.search(sub_path)
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if match is not None:
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twitter_url = sub_path
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if match.start() == 0:
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twitter_url = "https://twitter.com/" + sub_path
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if user_agent in discord_user_agents:
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res = embed_video(twitter_url)
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return res
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else:
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print("Redirect to " + twitter_url)
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return redirect(twitter_url, 301)
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else:
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return redirect(sub_path, 301)
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@app.route('/other/<path:sub_path>') # Show all info that Youtube-DL can get about a video as a json
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def other(sub_path):
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res = embed_video(sub_path)
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return res
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@app.route('/info/<path:sub_path>') # Show all info that Youtube-DL can get about a video as a json
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def info(sub_path):
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with youtube_dl.YoutubeDL({'outtmpl': '%(id)s.%(ext)s'}) as ydl:
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result = ydl.extract_info(sub_path, download=False)
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return result
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def embed_video(video_link):
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cached_vnf = get_vnf_from_link_cache(video_link)
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if cached_vnf == None:
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try:
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vnf = link_to_vnf(video_link)
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add_vnf_to_link_cache(video_link, vnf)
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return embed(video_link, vnf)
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except Exception as e:
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print(e)
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return message("Failed to scan your link!")
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else:
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return embed(video_link, cached_vnf)
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def video_info(url, tweet="", desc="", thumb="", uploader=""): # Return a dict of video info with default values
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vnf = {
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"tweet" :tweet,
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"url" :url,
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"description" :desc,
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"thumbnail" :thumb,
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"uploader" :uploader
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}
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return vnf
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def link_to_vnf_from_api(video_link):
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print("Attempting to download tweet info from Twitter API")
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twid = int(re.sub(r'\?.*$','',video_link.rsplit("/", 1)[-1])) # gets the tweet ID as a int from the passed url
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tweet = twitter_api.statuses.show(_id=twid, tweet_mode="extended")
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# Check to see if tweet has a video, if not, make the url passed to the VNF the first t.co link in the tweet
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if 'extended_entities' in tweet:
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if 'video_info' in tweet['extended_entities']['media'][0]:
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if tweet['extended_entities']['media'][0]['video_info']['variants'][-1]['content_type'] == "video/mp4":
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url = tweet['extended_entities']['media'][0]['video_info']['variants'][-1]['url']
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thumb = tweet['extended_entities']['media'][0]['media_url']
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else:
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url = tweet['extended_entities']['media'][0]['video_info']['variants'][-2]['url']
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thumb = tweet['extended_entities']['media'][0]['media_url']
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else:
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url = re.findall(r'(https?://[^\s]+)', tweet['full_text'])[0]
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thumb = "Non video link with url"
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print("Non video tweet, but has a link: " + url)
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else:
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url = re.findall(r'(https?://[^\s]+)', tweet['full_text'])[0]
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thumb = "Non video link with url"
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print("Non video tweet, but has a link: " + url)
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if len(tweet['full_text']) > 200:
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text = textwrap.shorten(tweet['full_text'], width=200, placeholder="...")
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else:
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text = tweet['full_text']
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vnf = video_info(url, video_link, text, thumb, tweet['user']['name'])
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return vnf
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def link_to_vnf_from_youtubedl(video_link):
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print("Attempting to download tweet info via YoutubeDL")
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with youtube_dl.YoutubeDL({'outtmpl': '%(id)s.%(ext)s'}) as ydl:
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result = ydl.extract_info(video_link, download=False)
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vnf = video_info(result['url'], video_link, result['description'].rsplit(' ',1)[0], result['thumbnail'], result['uploader'])
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return vnf
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def link_to_vnf(video_link): # Return a VideoInfo object or die trying
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if config['config']['method'] == 'hybrid':
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try:
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return link_to_vnf_from_api(video_link)
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except Exception as e:
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print("API Failed")
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print(e)
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return link_to_vnf_from_youtubedl(video_link)
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elif config['config']['method'] == 'api':
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try:
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return link_to_vnf_from_api(video_link)
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except Exception as e:
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print("API Failed")
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print(e)
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return None
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elif config['config']['method'] == 'youtube-dl':
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try:
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return link_to_vnf_from_youtubedl(video_link)
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except Exception as e:
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print("Youtube-DL Failed")
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print(e)
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return None
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else:
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print("Please set the method key in your config file to 'api' 'youtube-dl' or 'hybrid'")
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return None
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def get_vnf_from_link_cache(video_link):
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if link_cache_system == "db":
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collection = db.linkCache
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vnf = collection.find_one({'tweet': video_link})
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if vnf != None:
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print("Link located in DB cache")
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return vnf
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else:
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print("Link not in DB cache")
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return None
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elif link_cache_system == "json":
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if video_link in link_cache:
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print("Link located in json cache")
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vnf = link_cache[video_link]
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return vnf
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else:
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print("Link not in json cache")
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return None
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def add_vnf_to_link_cache(video_link, vnf):
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if link_cache_system == "db":
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try:
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out = db.linkCache.insert_one(vnf)
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print("Link added to DB cache")
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return True
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except Exception:
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print("Failed to add link to DB cache")
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return None
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elif link_cache_system == "json":
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link_cache[video_link] = vnf
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with open("links.json", "w") as outfile:
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json.dump(link_cache, outfile, indent=4, sort_keys=True)
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return None
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def message(text):
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return render_template('default.html', message=text, color=config['config']['color'], appname=config['config']['appname'], repo=config['config']['repo'], url=config['config']['url'])
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def embed(video_link, vnf):
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print(vnf['url'])
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if vnf['url'].startswith('https://t.co') is not True:
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desc = re.sub(r' http.*t\.co\S+', '', vnf['description'].replace("#","＃")) # some funky string manipulation to get rid of the t.co vid link and replace # with a similar looking character, the normal # breaks when getting fed into the oembed endpoint
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return render_template('index.html', vidurl=vnf['url'], desc=desc, pic=vnf['thumbnail'], user=vnf['uploader'], video_link=video_link, color=config['config']['color'], appname=config['config']['appname'], repo=config['config']['repo'], url=config['config']['url'])
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else:
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return redirect(vnf['url'], 301)
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def o_embed_gen(description, user, video_link):
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out = {
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"type":"video",
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"version":"1.0",
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"provider_name":"TwitFix",
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"provider_url":"https://github.com/robinuniverse/twitfix",
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"title":description,
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"author_name":user,
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"author_url":video_link
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}
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return out
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if __name__ == "__main__":
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app.run(host='0.0.0.0')
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