kopia lustrzana https://github.com/bellingcat/auto-archiver
213 wiersze
6.9 KiB
Python
213 wiersze
6.9 KiB
Python
import os
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import ffmpeg
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import datetime
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import shutil
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from dataclasses import dataclass
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from abc import ABC, abstractmethod
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from urllib.parse import urlparse
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import hashlib
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import time
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import requests
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from storages import Storage
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from utils import mkdir_if_not_exists
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from selenium.webdriver.common.by import By
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from loguru import logger
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@dataclass
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class ArchiveResult:
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status: str
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cdn_url: str = None
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thumbnail: str = None
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thumbnail_index: str = None
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duration: float = None
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title: str = None
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timestamp: datetime.datetime = None
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screenshot: str = None
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hash: str = None
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class Archiver(ABC):
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name = "default"
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def __init__(self, storage: Storage, driver):
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self.storage = storage
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self.driver = driver
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def __str__(self):
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return self.__class__.__name__
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@abstractmethod
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def download(self, url, check_if_exists=False): pass
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def get_netloc(self, url):
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return urlparse(url).netloc
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def get_html_key(self, url):
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return self.get_key(urlparse(url).path.replace("/", "_") + ".html")
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# DM added UTF
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# https://github.com/bellingcat/auto-archiver/pull/21/commits/576f1a8f687199cf38864f7271b9a63e65de8692
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def generate_media_page_html(self, url, urls_info: dict, object, thumbnail=None):
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page = f'''<html><head><title>{url}</title><meta charset="UTF-8"></head>
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<body>
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<h2>Archived media from {self.name}</h2>
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<h3><a href="{url}">{url}</a></h3><ul>'''
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for url_info in urls_info:
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page += f'''<li><a href="{url_info['cdn_url']}">{url_info['key']}</a>: {url_info['hash']}</li>'''
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page += f"</ul><h2>{self.name} object data:</h2><code>{object}</code>"
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page += f"</body></html>"
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page_key = self.get_key(urlparse(url).path.replace("/", "_") + ".html")
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page_filename = 'tmp/' + page_key
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page_cdn = self.storage.get_cdn_url(page_key)
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with open(page_filename, "w") as f:
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f.write(page)
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page_hash = self.get_hash(page_filename)
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self.storage.upload(page_filename, page_key, extra_args={
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'ACL': 'public-read', 'ContentType': 'text/html'})
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return (page_cdn, page_hash, thumbnail)
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def generate_media_page(self, urls, url, object):
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headers = {
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'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36'
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}
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thumbnail = None
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uploaded_media = []
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for media_url in urls:
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path = urlparse(media_url).path
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key = self.get_key(path.replace("/", "_"))
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if '.' not in path:
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key += '.jpg'
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filename = 'tmp/' + key
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d = requests.get(media_url, headers=headers)
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with open(filename, 'wb') as f:
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f.write(d.content)
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self.storage.upload(filename, key)
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hash = self.get_hash(filename)
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cdn_url = self.storage.get_cdn_url(key)
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if thumbnail is None:
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thumbnail = cdn_url
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uploaded_media.append({'cdn_url': cdn_url, 'key': key, 'hash': hash})
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return self.generate_media_page_html(url, uploaded_media, object, thumbnail=thumbnail)
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def get_key(self, filename):
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"""
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returns a key in the format "[archiverName]_[filename]" includes extension
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"""
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tail = os.path.split(filename)[1] # returns filename.ext from full path
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_id, extension = os.path.splitext(tail) # returns [filename, .ext]
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if 'unknown_video' in _id:
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_id = _id.replace('unknown_video', 'jpg')
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# long filenames can cause problems, so trim them if necessary
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if len(_id) > 128:
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_id = _id[-128:]
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return f'{self.name}_{_id}{extension}'
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def get_hash(self, filename):
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f = open(filename, "rb")
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bytes = f.read() # read entire file as bytes
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# DM changed hash for CIR
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# hash = hashlib.sha256(bytes)
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hash = hashlib.sha3_512(bytes)
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f.close()
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return hash.hexdigest()
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def get_screenshot(self, url):
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key = self.get_key(urlparse(url).path.replace(
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"/", "_") + datetime.datetime.utcnow().isoformat().replace(" ", "_") + ".png")
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filename = 'tmp/' + key
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# DM - Accept cookies popup dismiss
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if 'facebook.com' in url:
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try:
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self.driver.get("http://www.facebook.com")
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self.driver.find_element(By.XPATH,"//button[@data-cookiebanner='accept_only_essential_button']").click()
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except:
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logger.error('Failed on fb accept cookies')
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self.driver.get(url)
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time.sleep(6)
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self.driver.save_screenshot(filename)
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self.storage.upload(filename, key, extra_args={
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'ACL': 'public-read', 'ContentType': 'image/png'})
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return self.storage.get_cdn_url(key)
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def get_thumbnails(self, filename, key, duration=None):
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thumbnails_folder = filename.split('.')[0] + '/'
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key_folder = key.split('.')[0] + '/'
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mkdir_if_not_exists(thumbnails_folder)
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fps = 0.5
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if duration is not None:
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duration = float(duration)
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if duration < 60:
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fps = 10.0 / duration
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elif duration < 120:
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fps = 20.0 / duration
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else:
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fps = 40.0 / duration
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stream = ffmpeg.input(filename)
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stream = ffmpeg.filter(stream, 'fps', fps=fps).filter('scale', 512, -1)
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stream.output(thumbnails_folder + 'out%d.jpg').run()
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thumbnails = os.listdir(thumbnails_folder)
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cdn_urls = []
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for fname in thumbnails:
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if fname[-3:] == 'jpg':
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thumbnail_filename = thumbnails_folder + fname
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key = key_folder + fname
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cdn_url = self.storage.get_cdn_url(key)
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self.storage.upload(thumbnail_filename, key)
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cdn_urls.append(cdn_url)
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if len(cdn_urls) == 0:
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return ('None', 'None')
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key_thumb = cdn_urls[int(len(cdn_urls) * 0.1)]
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# DM added UTF
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# https://github.com/bellingcat/auto-archiver/pull/21/commits/576f1a8f687199cf38864f7271b9a63e65de8692
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index_page = f'''<html><head><title>{filename}</title><meta charset="UTF-8"></head>
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<body>'''
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for t in cdn_urls:
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index_page += f'<img src="{t}" />'
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index_page += f"</body></html>"
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index_fname = thumbnails_folder + 'index.html'
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with open(index_fname, 'w') as f:
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f.write(index_page)
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thumb_index = key_folder + 'index.html'
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self.storage.upload(index_fname, thumb_index, extra_args={
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'ACL': 'public-read', 'ContentType': 'text/html'})
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shutil.rmtree(thumbnails_folder)
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thumb_index_cdn_url = self.storage.get_cdn_url(thumb_index)
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return (key_thumb, thumb_index_cdn_url)
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