133 lines
3.5 KiB
Python
133 lines
3.5 KiB
Python
"""
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Exports data from the database to JSON files for use in a static webapp
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"""
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from google.cloud import datastore
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import hashlib
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import json
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import logging
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import sys
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import os
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import requests
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SITEICONS_PATH = "/icons"
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client = None
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def export_results():
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"""
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Export of the main results data
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"""
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out = []
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query = client.query(kind='spider-results')
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for entity in query.fetch():
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logging.debug(entity.key.name)
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out.append(dict(entity)["results"])
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# load icons, reformat icons details
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for index in range(len(out)):
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if "details" not in out[index]:
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continue
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if "icons" not in out[index]["details"]:
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continue
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urls = out[index]["details"]["icons"]
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out[index]["details"]["icons"] = {}
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for url in urls:
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if not (url.startswith("http://") or url.startswith("https://")):
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logging.debug("Skipping icon %s", url)
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continue
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logging.debug("Dowloading icon %s", url)
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filename = download_icon(url)
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if filename:
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out[index]["details"]["icons"][url] = filename
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output_filename = "/out/spider_result.json"
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with open(output_filename, 'w', encoding="utf8") as jsonfile:
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json.dump(out, jsonfile, indent=2, sort_keys=True, ensure_ascii=False)
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def export_screenshots():
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"""
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Export of screenshot meta data
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"""
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out = {}
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query = client.query(kind='webscreenshot')
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for item in query.fetch():
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logging.debug(item['url'], os.path.basename(item['screenshot_url']))
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out[item['url']] = os.path.basename(item['screenshot_url'])
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output_filename = "/out/screenshots.json"
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with open(output_filename, 'w', encoding="utf8") as jsonfile:
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json.dump(out, jsonfile, indent=2, sort_keys=True, ensure_ascii=False)
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def download_icon(icon_url):
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"""
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Download an icon from the given URL and store it with
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a file name of <hash>.<ending>
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"""
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default_endings = {
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"image/x-icon": "ico",
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"image/vnd.microsoft.icon": "ico",
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"image/png": "png",
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"image/jpeg": "jpg",
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}
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# Download the icon
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try:
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req = requests.get(icon_url, timeout=10)
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except:
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return None
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if req.status_code >= 400:
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return None
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content_hash = hashlib.md5(req.content).hexdigest()
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extension = ""
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try:
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file_name = os.path.basename(icon_url)[-1]
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except IndexError as exc:
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logging.error("Error in URL %s: %s", icon_url, exc)
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return None
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if file_name != "" and "." in file_name:
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ext = file_name.split(".")[-1]
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if ext != "":
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extension = ext
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if extension == "":
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# derive from content type
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ctype = req.headers.get('content-type')
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try:
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extension = default_endings[ctype]
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except KeyError:
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logging.error("No file ending defined for icon type '%s'", ctype)
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return None
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filename = content_hash + "." + extension.lower()
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path = SITEICONS_PATH + os.path.sep + filename
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with open(path, 'wb') as iconfile:
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iconfile.write(req.content)
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return filename
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if __name__ == "__main__":
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logging.basicConfig(level=logging.DEBUG)
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if len(sys.argv) == 1:
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print("Error: please provide path to Google Storage API system account JSON file as argument")
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sys.exit(1)
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key_path = sys.argv[1]
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client = datastore.Client.from_service_account_json(key_path)
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#export_screenshots()
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export_results()
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