587 lines
19 KiB
Python
587 lines
19 KiB
Python
import os
|
|
|
|
from functools import wraps
|
|
from collections import defaultdict
|
|
from datetime import datetime
|
|
from stdlib_patches import run, PIPE, DEVNULL
|
|
|
|
from index import (
|
|
write_link_index,
|
|
patch_links_index,
|
|
load_json_link_index,
|
|
)
|
|
from config import (
|
|
CURL_BINARY,
|
|
GIT_BINARY,
|
|
WGET_BINARY,
|
|
YOUTUBEDL_BINARY,
|
|
FETCH_FAVICON,
|
|
FETCH_TITLE,
|
|
FETCH_WGET,
|
|
FETCH_WGET_REQUISITES,
|
|
FETCH_PDF,
|
|
FETCH_SCREENSHOT,
|
|
FETCH_DOM,
|
|
FETCH_WARC,
|
|
FETCH_GIT,
|
|
FETCH_MEDIA,
|
|
SUBMIT_ARCHIVE_DOT_ORG,
|
|
TIMEOUT,
|
|
MEDIA_TIMEOUT,
|
|
ANSI,
|
|
OUTPUT_DIR,
|
|
GIT_DOMAINS,
|
|
GIT_SHA,
|
|
WGET_USER_AGENT,
|
|
CHECK_SSL_VALIDITY,
|
|
COOKIES_FILE,
|
|
)
|
|
from util import (
|
|
domain,
|
|
extension,
|
|
without_query,
|
|
without_fragment,
|
|
fetch_page_title,
|
|
is_static_file,
|
|
progress,
|
|
chmod_file,
|
|
check_link_structure,
|
|
wget_output_path,
|
|
chrome_args,
|
|
)
|
|
from logs import (
|
|
_LAST_RUN_STATS,
|
|
log_link_archiving_started,
|
|
log_link_archiving_failed,
|
|
)
|
|
|
|
|
|
|
|
class ArchiveError(Exception):
|
|
def __init__(self, message, hints=None):
|
|
super().__init__(message)
|
|
self.hints = hints
|
|
|
|
|
|
def archive_link(link_dir, link, overwrite=True):
|
|
"""download the DOM, PDF, and a screenshot into a folder named after the link's timestamp"""
|
|
|
|
ARCHIVE_METHODS = (
|
|
(FETCH_TITLE, fetch_title),
|
|
(FETCH_FAVICON, fetch_favicon),
|
|
(FETCH_WGET, fetch_wget),
|
|
(FETCH_PDF, fetch_pdf),
|
|
(FETCH_SCREENSHOT, fetch_screenshot),
|
|
(FETCH_DOM, fetch_dom),
|
|
(FETCH_GIT, fetch_git),
|
|
(FETCH_MEDIA, fetch_media),
|
|
(SUBMIT_ARCHIVE_DOT_ORG, archive_dot_org),
|
|
)
|
|
active_methods = [method for toggle, method in ARCHIVE_METHODS if toggle]
|
|
|
|
try:
|
|
is_new = not os.path.exists(link_dir)
|
|
if is_new:
|
|
os.makedirs(link_dir)
|
|
|
|
link = load_json_link_index(link_dir, link)
|
|
log_link_archiving_started(link_dir, link, is_new)
|
|
|
|
for archive_method in active_methods:
|
|
archive_method(link_dir, link, overwrite=overwrite)
|
|
|
|
write_link_index(link_dir, link)
|
|
patch_links_index(link)
|
|
|
|
except Exception as err:
|
|
print(' ! Failed to archive link: {}: {}'.format(err.__class__.__name__, err))
|
|
|
|
return link
|
|
|
|
|
|
def attach_result_to_link(method):
|
|
"""
|
|
Instead of returning a result={output:'...', status:'success'} object,
|
|
attach that result to the links's history & latest fields, then return
|
|
the updated link object.
|
|
"""
|
|
def decorator(fetch_func):
|
|
@wraps(fetch_func)
|
|
def timed_fetch_func(link_dir, link, overwrite=False, **kwargs):
|
|
# initialize methods and history json field on link
|
|
link['latest'] = link.get('latest') or {}
|
|
link['latest'][method] = link['latest'].get(method) or None
|
|
link['history'] = link.get('history') or {}
|
|
link['history'][method] = link['history'].get(method) or []
|
|
|
|
start_ts = datetime.now().timestamp()
|
|
|
|
# if a valid method output is already present, dont run the fetch function
|
|
if link['latest'][method] and not overwrite:
|
|
print(' √ {}'.format(method))
|
|
result = None
|
|
else:
|
|
print(' > {}'.format(method))
|
|
result = fetch_func(link_dir, link, **kwargs)
|
|
|
|
end_ts = datetime.now().timestamp()
|
|
duration = str(end_ts * 1000 - start_ts * 1000).split('.')[0]
|
|
|
|
# append a history item recording fail/success
|
|
history_entry = {
|
|
'timestamp': str(start_ts).split('.')[0],
|
|
}
|
|
if result is None:
|
|
history_entry['status'] = 'skipped'
|
|
elif isinstance(result.get('output'), Exception):
|
|
history_entry['status'] = 'failed'
|
|
history_entry['duration'] = duration
|
|
history_entry.update(result or {})
|
|
link['history'][method].append(history_entry)
|
|
else:
|
|
history_entry['status'] = 'succeded'
|
|
history_entry['duration'] = duration
|
|
history_entry.update(result or {})
|
|
link['history'][method].append(history_entry)
|
|
link['latest'][method] = result['output']
|
|
|
|
_LAST_RUN_STATS[history_entry['status']] += 1
|
|
|
|
return link
|
|
return timed_fetch_func
|
|
return decorator
|
|
|
|
@attach_result_to_link('title')
|
|
def fetch_title(link_dir, link, timeout=TIMEOUT):
|
|
"""try to guess the page's title from its content"""
|
|
|
|
# if link already has valid title, skip it
|
|
if link['title'] and not link['title'].lower().startswith('http'):
|
|
return {'output': link['title'], 'status': 'skipped'}
|
|
|
|
if is_static_file(link['url']):
|
|
return {'output': None, 'status': 'skipped'}
|
|
|
|
end = progress(timeout, prefix=' ')
|
|
try:
|
|
title = fetch_page_title(link['url'], timeout=timeout, progress=False)
|
|
end()
|
|
output = title
|
|
except Exception as e:
|
|
end()
|
|
output = e
|
|
print(' {}Failed: {} {}{}'.format(ANSI['red'], e.__class__.__name__, e, ANSI['reset']))
|
|
|
|
if title and title.strip():
|
|
link['title'] = title
|
|
output = title
|
|
|
|
return {
|
|
'cmd': 'fetch_page_title("{}")'.format(link['url']),
|
|
'output': output,
|
|
}
|
|
|
|
@attach_result_to_link('favicon')
|
|
def fetch_favicon(link_dir, link, timeout=TIMEOUT):
|
|
"""download site favicon from google's favicon api"""
|
|
|
|
output = 'favicon.ico'
|
|
if os.path.exists(os.path.join(link_dir, output)):
|
|
return {'output': output, 'status': 'skipped'}
|
|
|
|
CMD = [
|
|
CURL_BINARY,
|
|
'--max-time', str(timeout),
|
|
'--location',
|
|
'--output', output,
|
|
*(() if CHECK_SSL_VALIDITY else ('--insecure',)),
|
|
'https://www.google.com/s2/favicons?domain={}'.format(domain(link['url'])),
|
|
]
|
|
end = progress(timeout, prefix=' ')
|
|
try:
|
|
run(CMD, stdout=PIPE, stderr=PIPE, cwd=link_dir, timeout=timeout)
|
|
end()
|
|
chmod_file(output, cwd=link_dir)
|
|
except Exception as e:
|
|
end()
|
|
output = e
|
|
print_error_hints(cmd=CMD, pwd=link_dir, err=e)
|
|
|
|
return {
|
|
'cmd': CMD,
|
|
'output': output,
|
|
}
|
|
|
|
@attach_result_to_link('wget')
|
|
def fetch_wget(link_dir, link, timeout=TIMEOUT):
|
|
"""download full site using wget"""
|
|
|
|
domain_dir = os.path.join(link_dir, domain(link['url']))
|
|
existing_file = wget_output_path(link)
|
|
if os.path.exists(domain_dir) and existing_file:
|
|
return {'output': existing_file, 'status': 'skipped'}
|
|
|
|
if FETCH_WARC:
|
|
warc_dir = os.path.join(link_dir, 'warc')
|
|
os.makedirs(warc_dir, exist_ok=True)
|
|
warc_path = os.path.join('warc', str(int(datetime.now().timestamp())))
|
|
|
|
# WGET CLI Docs: https://www.gnu.org/software/wget/manual/wget.html
|
|
CMD = [
|
|
WGET_BINARY,
|
|
# '--server-response', # print headers for better error parsing
|
|
'--no-verbose',
|
|
'--adjust-extension',
|
|
'--convert-links',
|
|
'--force-directories',
|
|
'--backup-converted',
|
|
'--span-hosts',
|
|
'--no-parent',
|
|
'-e', 'robots=off',
|
|
'--restrict-file-names=unix',
|
|
'--timeout={}'.format(timeout),
|
|
*(() if FETCH_WARC else ('--timestamping',)),
|
|
*(('--warc-file={}'.format(warc_path),) if FETCH_WARC else ()),
|
|
*(('--page-requisites',) if FETCH_WGET_REQUISITES else ()),
|
|
*(('--user-agent={}'.format(WGET_USER_AGENT),) if WGET_USER_AGENT else ()),
|
|
*(('--load-cookies', COOKIES_FILE) if COOKIES_FILE else ()),
|
|
*((() if CHECK_SSL_VALIDITY else ('--no-check-certificate', '--no-hsts'))),
|
|
link['url'],
|
|
]
|
|
end = progress(timeout, prefix=' ')
|
|
try:
|
|
result = run(CMD, stdout=PIPE, stderr=PIPE, cwd=link_dir, timeout=timeout)
|
|
end()
|
|
output = wget_output_path(link)
|
|
|
|
output_tail = [
|
|
line.strip()
|
|
for line in (result.stdout + result.stderr).decode().rsplit('\n', 3)[-3:]
|
|
if line.strip()
|
|
]
|
|
|
|
# parse out number of files downloaded from last line of stderr:
|
|
# "Downloaded: 76 files, 4.0M in 1.6s (2.52 MB/s)"
|
|
files_downloaded = (
|
|
int(output_tail[-1].strip().split(' ', 2)[1] or 0)
|
|
if 'Downloaded:' in output_tail[-1]
|
|
else 0
|
|
)
|
|
|
|
# Check for common failure cases
|
|
if result.returncode > 0 and files_downloaded < 1:
|
|
hints = (
|
|
'Got wget response code {}:\n'.format(result.returncode),
|
|
*output_tail,
|
|
)
|
|
if b'403: Forbidden' in result.stderr:
|
|
raise ArchiveError('403 Forbidden (try changing WGET_USER_AGENT)', hints)
|
|
if b'404: Not Found' in result.stderr:
|
|
raise ArchiveError('404 Not Found', hints)
|
|
if b'ERROR 500: Internal Server Error' in result.stderr:
|
|
raise ArchiveError('500 Internal Server Error', hints)
|
|
raise ArchiveError('Got an error from the server', hints)
|
|
except Exception as e:
|
|
end()
|
|
output = e
|
|
print_error_hints(cmd=CMD, pwd=link_dir, err=e)
|
|
|
|
return {
|
|
'cmd': CMD,
|
|
'output': output,
|
|
}
|
|
|
|
@attach_result_to_link('pdf')
|
|
def fetch_pdf(link_dir, link, timeout=TIMEOUT):
|
|
"""print PDF of site to file using chrome --headless"""
|
|
|
|
if is_static_file(link['url']):
|
|
return {'output': None, 'status': 'skipped'}
|
|
|
|
output = 'output.pdf'
|
|
if os.path.exists(os.path.join(link_dir, output)):
|
|
return {'output': output, 'status': 'skipped'}
|
|
|
|
CMD = [
|
|
*chrome_args(timeout=timeout),
|
|
'--print-to-pdf',
|
|
link['url']
|
|
]
|
|
end = progress(timeout, prefix=' ')
|
|
hints = None
|
|
try:
|
|
result = run(CMD, stdout=PIPE, stderr=PIPE, cwd=link_dir, timeout=timeout)
|
|
end()
|
|
|
|
if result.returncode:
|
|
hints = (result.stderr or result.stdout).decode()
|
|
raise ArchiveError('Failed to print PDF', hints)
|
|
|
|
chmod_file('output.pdf', cwd=link_dir)
|
|
except Exception as e:
|
|
end()
|
|
output = e
|
|
print_error_hints(cmd=CMD, pwd=link_dir, err=e, hints=hints)
|
|
|
|
return {
|
|
'cmd': CMD,
|
|
'output': output,
|
|
}
|
|
|
|
@attach_result_to_link('screenshot')
|
|
def fetch_screenshot(link_dir, link, timeout=TIMEOUT):
|
|
"""take screenshot of site using chrome --headless"""
|
|
|
|
if is_static_file(link['url']):
|
|
return {'output': None, 'status': 'skipped'}
|
|
|
|
output = 'screenshot.png'
|
|
if os.path.exists(os.path.join(link_dir, output)):
|
|
return {'output': output, 'status': 'skipped'}
|
|
|
|
CMD = [
|
|
*chrome_args(timeout=timeout),
|
|
'--screenshot',
|
|
link['url'],
|
|
]
|
|
end = progress(timeout, prefix=' ')
|
|
try:
|
|
result = run(CMD, stdout=PIPE, stderr=PIPE, cwd=link_dir, timeout=timeout)
|
|
end()
|
|
if result.returncode:
|
|
hints = (result.stderr or result.stdout).decode()
|
|
raise ArchiveError('Failed to take screenshot', hints)
|
|
|
|
chmod_file(output, cwd=link_dir)
|
|
except Exception as e:
|
|
end()
|
|
output = e
|
|
print_error_hints(cmd=CMD, pwd=link_dir, err=e)
|
|
|
|
return {
|
|
'cmd': CMD,
|
|
'output': output,
|
|
}
|
|
|
|
@attach_result_to_link('dom')
|
|
def fetch_dom(link_dir, link, timeout=TIMEOUT):
|
|
"""print HTML of site to file using chrome --dump-html"""
|
|
|
|
if is_static_file(link['url']):
|
|
return {'output': None, 'status': 'skipped'}
|
|
|
|
output = 'output.html'
|
|
output_path = os.path.join(link_dir, output)
|
|
if os.path.exists(output_path):
|
|
return {'output': output, 'status': 'skipped'}
|
|
|
|
CMD = [
|
|
*chrome_args(timeout=timeout),
|
|
'--dump-dom',
|
|
link['url']
|
|
]
|
|
end = progress(timeout, prefix=' ')
|
|
try:
|
|
with open(output_path, 'w+') as f:
|
|
result = run(CMD, stdout=f, stderr=PIPE, cwd=link_dir, timeout=timeout)
|
|
end()
|
|
if result.returncode:
|
|
hints = result.stderr.decode()
|
|
raise ArchiveError('Failed to fetch DOM', hints)
|
|
|
|
chmod_file(output, cwd=link_dir)
|
|
except Exception as e:
|
|
end()
|
|
output = e
|
|
print_error_hints(cmd=CMD, pwd=link_dir, err=e)
|
|
|
|
return {
|
|
'cmd': CMD,
|
|
'output': output,
|
|
}
|
|
|
|
@attach_result_to_link('git')
|
|
def fetch_git(link_dir, link, timeout=TIMEOUT):
|
|
"""download full site using git"""
|
|
|
|
is_clonable_url = (
|
|
domain(link['url']) in GIT_DOMAINS
|
|
or extension(link['url']) == 'git'
|
|
)
|
|
if is_static_file(link['url']) or not is_clonable_url:
|
|
return {'output': None, 'status': 'skipped'}
|
|
|
|
output = 'git'
|
|
output_path = os.path.join(link_dir, 'git')
|
|
|
|
if os.path.exists(output_path):
|
|
return {'output': output, 'status': 'skipped'}
|
|
|
|
os.makedirs(output_path, exist_ok=True)
|
|
CMD = [
|
|
GIT_BINARY,
|
|
'clone',
|
|
'--mirror',
|
|
'--recursive',
|
|
*(() if CHECK_SSL_VALIDITY else ('-c', 'http.sslVerify=false')),
|
|
without_query(without_fragment(link['url'])),
|
|
]
|
|
end = progress(timeout, prefix=' ')
|
|
try:
|
|
result = run(CMD, stdout=PIPE, stderr=PIPE, cwd=output_path, timeout=timeout + 1)
|
|
end()
|
|
|
|
if result.returncode == 128:
|
|
# ignore failed re-download when the folder already exists
|
|
pass
|
|
elif result.returncode > 0:
|
|
hints = 'got git response code {}:'.format(result.returncode)
|
|
raise ArchiveError('Failed git download', hints)
|
|
except Exception as e:
|
|
end()
|
|
output = e
|
|
print_error_hints(cmd=CMD, pwd=link_dir, err=e)
|
|
|
|
return {
|
|
'cmd': CMD,
|
|
'output': output,
|
|
}
|
|
|
|
@attach_result_to_link('media')
|
|
def fetch_media(link_dir, link, timeout=MEDIA_TIMEOUT, overwrite=False):
|
|
"""Download playlists or individual video, audio, and subtitles using youtube-dl"""
|
|
|
|
output = 'media'
|
|
output_path = os.path.join(link_dir, 'media')
|
|
|
|
if os.path.exists(output_path) and not overwrite:
|
|
return {'output': output, 'status': 'skipped'}
|
|
|
|
os.makedirs(output_path, exist_ok=True)
|
|
CMD = [
|
|
YOUTUBEDL_BINARY,
|
|
'--write-description',
|
|
'--write-info-json',
|
|
'--write-annotations',
|
|
'--yes-playlist',
|
|
'--write-thumbnail',
|
|
'--no-call-home',
|
|
'--no-check-certificate',
|
|
'--user-agent',
|
|
'--all-subs',
|
|
'--extract-audio',
|
|
'--keep-video',
|
|
'--ignore-errors',
|
|
'--geo-bypass',
|
|
'--audio-format', 'mp3',
|
|
'--audio-quality', '320K',
|
|
'--embed-thumbnail',
|
|
'--add-metadata',
|
|
*(() if CHECK_SSL_VALIDITY else ('--no-check-certificate',)),
|
|
link['url'],
|
|
]
|
|
|
|
end = progress(timeout, prefix=' ')
|
|
try:
|
|
result = run(CMD, stdout=PIPE, stderr=PIPE, cwd=output_path, timeout=timeout + 1)
|
|
chmod_file(output, cwd=link_dir)
|
|
end()
|
|
if result.returncode:
|
|
if (b'ERROR: Unsupported URL' in result.stderr
|
|
or b'HTTP Error 404' in result.stderr
|
|
or b'HTTP Error 403' in result.stderr
|
|
or b'URL could be a direct video link' in result.stderr
|
|
or b'Unable to extract container ID' in result.stderr):
|
|
# These happen too frequently on non-media pages to warrant printing to console
|
|
pass
|
|
else:
|
|
hints = (
|
|
'got youtubedl response code {}:'.format(result.returncode),
|
|
*result.stderr.decode().split('\n'),
|
|
)
|
|
raise ArchiveError('Failed to download media', hints)
|
|
except Exception as e:
|
|
end()
|
|
output = e
|
|
print_error_hints(cmd=CMD, pwd=link_dir, err=e)
|
|
|
|
return {
|
|
'cmd': CMD,
|
|
'output': output,
|
|
}
|
|
|
|
def parse_archive_dot_org_response(response):
|
|
# Parse archive.org response headers
|
|
headers = defaultdict(list)
|
|
|
|
# lowercase all the header names and store in dict
|
|
for header in response.splitlines():
|
|
if b':' not in header or not header.strip():
|
|
continue
|
|
name, val = header.decode().split(':', 1)
|
|
headers[name.lower().strip()].append(val.strip())
|
|
|
|
# Get successful archive url in "content-location" header or any errors
|
|
content_location = headers['content-location']
|
|
errors = headers['x-archive-wayback-runtime-error']
|
|
return content_location, errors
|
|
|
|
@attach_result_to_link('archive_org')
|
|
def archive_dot_org(link_dir, link, timeout=TIMEOUT):
|
|
"""submit site to archive.org for archiving via their service, save returned archive url"""
|
|
|
|
output = 'archive.org.txt'
|
|
archive_org_url = None
|
|
|
|
path = os.path.join(link_dir, output)
|
|
if os.path.exists(path):
|
|
archive_org_url = open(path, 'r').read().strip()
|
|
return {'output': archive_org_url, 'status': 'skipped'}
|
|
|
|
submit_url = 'https://web.archive.org/save/{}'.format(link['url'])
|
|
CMD = [
|
|
CURL_BINARY,
|
|
'--location',
|
|
'--head',
|
|
'--user-agent', 'ArchiveBox/{} (+https://github.com/pirate/ArchiveBox/)'.format(GIT_SHA), # be nice to the Archive.org people and show them where all this ArchiveBox traffic is coming from
|
|
'--max-time', str(timeout),
|
|
*(() if CHECK_SSL_VALIDITY else ('--insecure',)),
|
|
submit_url,
|
|
]
|
|
end = progress(timeout, prefix=' ')
|
|
try:
|
|
result = run(CMD, stdout=PIPE, stderr=DEVNULL, cwd=link_dir, timeout=timeout)
|
|
end()
|
|
content_location, errors = parse_archive_dot_org_response(result.stdout)
|
|
if content_location:
|
|
archive_org_url = 'https://web.archive.org{}'.format(content_location[0])
|
|
elif len(errors) == 1 and 'RobotAccessControlException' in errors[0]:
|
|
archive_org_url = None
|
|
# raise ArchiveError('Archive.org denied by {}/robots.txt'.format(domain(link['url'])))
|
|
elif errors:
|
|
raise ArchiveError(', '.join(errors))
|
|
else:
|
|
raise ArchiveError('Failed to find "content-location" URL header in Archive.org response.')
|
|
except Exception as e:
|
|
end()
|
|
output = e
|
|
print_error_hints(cmd=CMD, pwd=link_dir, err=e)
|
|
|
|
if not isinstance(output, Exception):
|
|
# instead of writing None when archive.org rejects the url write the
|
|
# url to resubmit it to archive.org. This is so when the user visits
|
|
# the URL in person, it will attempt to re-archive it, and it'll show the
|
|
# nicer error message explaining why the url was rejected if it fails.
|
|
archive_org_url = archive_org_url or submit_url
|
|
with open(os.path.join(link_dir, output), 'w', encoding='utf-8') as f:
|
|
f.write(archive_org_url)
|
|
chmod_file('archive.org.txt', cwd=link_dir)
|
|
output = archive_org_url
|
|
|
|
return {
|
|
'cmd': CMD,
|
|
'output': output,
|
|
}
|
|
|
|
|