157 líneas
4 KiB
Python
157 líneas
4 KiB
Python
import os
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import sys
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import time
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from datetime import datetime
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import requests
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import threading
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import json
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import psycopg2
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import pdb
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def write_servers(world_servers):
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i = 0
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while i < len(world_servers):
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saved_at = datetime.now()
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insert_sql = "INSERT INTO world(server, federated_with, updated_at, saved_at) VALUES(%s,%s,%s,%s) ON CONFLICT DO NOTHING"
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conn = None
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try:
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conn = psycopg2.connect(database = fediverse_db, user = fediverse_db_user, password = "", host = "/var/run/postgresql", port = "5432")
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cur = conn.cursor()
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cur.execute(insert_sql, (world_servers[i], peer, updated_at, saved_at,))
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print('writing to database ' + str(i) + ' of ' + str(len(world_servers)) + ': ' + world_servers[i])
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conn.commit()
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cur.close()
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except (Exception, psycopg2.DatabaseError) as error:
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print(error)
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finally:
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if conn is not None:
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conn.close()
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i += 1
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def get_peers(peer):
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try:
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user_agent = {'User-agent': 'Mozilla/5.0'}
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response = requests.get('https://' + peer + peers_api, headers = user_agent, timeout=3)
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response_json = response.json()
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if response.status_code == 200:
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try:
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print("Server: " + peer + ", " + "federated with " + str(len(response_json)) + " servers")
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for peer_peer in response_json:
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exist_count = world_peers.count(peer_peer)
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if exist_count == 0:
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world_peers.append(peer_peer)
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except:
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pass
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except:
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pass
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class Peerthreads(threading.Thread):
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def __init__(self, peer, peers_semaphore):
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threading.Thread.__init__(self)
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self.sql_conn = None
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self.peer = peer
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self.peers_semaphore = peers_semaphore
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def run(self):
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self.peers_semaphore.acquire()
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get_peers(self.peer)
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self.peers_semaphore.release()
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# Returns the parameter from the specified file
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def get_parameter( parameter, file_path ):
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# Check if secrets file exists
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if not os.path.isfile(file_path):
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print("File %s not found, exiting."%file_path)
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sys.exit(0)
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# Find parameter in file
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with open( file_path ) as f:
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for line in f:
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if line.startswith( parameter ):
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return line.replace(parameter + ":", "").strip()
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# Cannot find parameter, exit
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print(file_path + " Missing parameter %s "%parameter)
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sys.exit(0)
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###############################################################################
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# main
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if __name__ == '__main__':
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start_time = time.time()
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updated_at = datetime.now()
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peers_api = '/api/v1/instance/peers?'
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lemmy_api = '/api/v2/site?'
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# Load configuration from config file
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config_filepath = "config/config.txt"
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mastodon_hostname = get_parameter("mastodon_hostname", config_filepath)
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# Load database config from db_config file
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db_config_filepath = "config/db_config.txt"
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fediverse_db = get_parameter("fediverse_db", db_config_filepath)
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fediverse_db_user = get_parameter("fediverse_db_user", db_config_filepath)
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world_peers = []
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user_agent = {'User-agent': 'Mozilla/5.0'}
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res = requests.get('https://' + mastodon_hostname + peers_api, headers = user_agent, timeout=3)
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hostname_peers = res.json()
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for peer in hostname_peers:
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exist_count = world_peers.count(peer)
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if exist_count == 0:
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world_peers.append(peer)
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peers_semaphore = threading.Semaphore(100)
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peer_threads = []
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for peer in hostname_peers:
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p_thread = Peerthreads(peer, peers_semaphore)
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peer_threads.append(p_thread)
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p_thread.start()
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for p_thread in peer_threads:
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p_thread.join()
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write_servers(world_peers)
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exec_time = str(round((time.time() - start_time), 2))
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print(exec_time)
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