mirror of
https://github.com/ArchiveBox/ArchiveBox
synced 2024-11-25 21:50:21 +00:00
114 lines
4.3 KiB
Python
114 lines
4.3 KiB
Python
__package__ = 'archivebox.extractors'
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from pathlib import Path
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from typing import Optional, List, Dict, Tuple
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from collections import defaultdict
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from ..index.schema import Link, ArchiveResult, ArchiveOutput, ArchiveError
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from archivebox.misc.system import run, chmod_file
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from archivebox.misc.util import enforce_types, is_static_file, dedupe
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from archivebox.plugins_extractor.archivedotorg.apps import ARCHIVEDOTORG_CONFIG
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from archivebox.plugins_extractor.curl.apps import CURL_CONFIG, CURL_BINARY
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from ..logging_util import TimedProgress
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def get_output_path():
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return 'archive.org.txt'
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@enforce_types
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def should_save_archive_dot_org(link: Link, out_dir: Optional[Path]=None, overwrite: Optional[bool]=False) -> bool:
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if is_static_file(link.url):
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return False
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out_dir = out_dir or Path(link.link_dir)
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if not overwrite and (out_dir / get_output_path()).exists():
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# if open(path, 'r', encoding='utf-8').read().strip() != 'None':
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return False
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return ARCHIVEDOTORG_CONFIG.SAVE_ARCHIVE_DOT_ORG
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@enforce_types
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def save_archive_dot_org(link: Link, out_dir: Optional[Path]=None, timeout: int=CURL_CONFIG.CURL_TIMEOUT) -> ArchiveResult:
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"""submit site to archive.org for archiving via their service, save returned archive url"""
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curl_binary = CURL_BINARY.load()
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assert curl_binary.abspath and curl_binary.version
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out_dir = out_dir or Path(link.link_dir)
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output: ArchiveOutput = get_output_path()
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archive_org_url = None
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submit_url = 'https://web.archive.org/save/{}'.format(link.url)
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# later options take precedence
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options = [
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*CURL_CONFIG.CURL_ARGS,
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*CURL_CONFIG.CURL_EXTRA_ARGS,
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'--head',
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'--max-time', str(timeout),
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*(['--user-agent', '{}'.format(CURL_CONFIG.CURL_USER_AGENT)] if CURL_CONFIG.CURL_USER_AGENT else []),
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*([] if CURL_CONFIG.CURL_CHECK_SSL_VALIDITY else ['--insecure']),
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]
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cmd = [
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str(curl_binary.abspath),
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*dedupe(options),
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submit_url,
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]
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status = 'succeeded'
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timer = TimedProgress(timeout, prefix=' ')
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try:
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result = run(cmd, cwd=str(out_dir), timeout=timeout, text=True)
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content_location, errors = parse_archive_dot_org_response(result.stdout)
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if content_location:
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archive_org_url = content_location[0]
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elif len(errors) == 1 and 'RobotAccessControlException' in errors[0]:
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archive_org_url = None
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# raise ArchiveError('Archive.org denied by {}/robots.txt'.format(domain(link.url)))
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elif errors:
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raise ArchiveError(', '.join(errors))
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else:
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raise ArchiveError('Failed to find "content-location" URL header in Archive.org response.')
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except Exception as err:
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status = 'failed'
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output = err
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finally:
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timer.end()
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if output and not isinstance(output, Exception):
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# instead of writing None when archive.org rejects the url write the
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# url to resubmit it to archive.org. This is so when the user visits
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# the URL in person, it will attempt to re-archive it, and it'll show the
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# nicer error message explaining why the url was rejected if it fails.
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archive_org_url = archive_org_url or submit_url
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with open(str(out_dir / output), 'w', encoding='utf-8') as f:
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f.write(archive_org_url)
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chmod_file(str(out_dir / output), cwd=str(out_dir))
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output = archive_org_url
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return ArchiveResult(
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cmd=cmd,
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pwd=str(out_dir),
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cmd_version=str(curl_binary.version),
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output=output,
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status=status,
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**timer.stats,
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)
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@enforce_types
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def parse_archive_dot_org_response(response: str) -> Tuple[List[str], List[str]]:
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# Parse archive.org response headers
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headers: Dict[str, List[str]] = defaultdict(list)
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# lowercase all the header names and store in dict
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for header in response.splitlines():
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if ':' not in header or not header.strip():
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continue
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name, val = header.split(':', 1)
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headers[name.lower().strip()].append(val.strip())
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# Get successful archive url in "content-location" header or any errors
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content_location = headers.get('content-location', headers['location'])
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errors = headers['x-archive-wayback-runtime-error']
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return content_location, errors
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