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('favicon.ico', cwd=link_dir)
output = 'favicon.ico'
except Exception as e:
end()
output = e
print_error_hints(cmd=CMD, pwd=link_dir, err=e)
return {
'cmd': CMD,
'output': output,
}
def fetch_pdf(link_dir, link, timeout=TIMEOUT, user_data_dir=CHROME_USER_DATA_DIR):
"""print PDF of site to file using chrome --headless"""
if link['type'] in ('PDF', 'image'):
return {'output': wget_output_path(link)}
if os.path.exists(os.path.join(link_dir, 'output.pdf')):
return {'output': 'output.pdf', 'status': 'skipped'}
CMD = [
*chrome_headless(user_data_dir=user_data_dir),
'--print-to-pdf',
'--hide-scrollbars',
'--timeout={}'.format((timeout) * 1000),
*(() if CHECK_SSL_VALIDITY else ('--disable-web-security', '--ignore-certificate-errors')),
link['url']
]
end = progress(timeout, prefix=' ')
try:
result = run(CMD, stdout=PIPE, stderr=PIPE, cwd=link_dir, timeout=timeout)
end()
if result.returncode:
print(' ', (result.stderr or result.stdout).decode())
raise Exception('Failed to print PDF')
chmod_file('output.pdf', cwd=link_dir)
output = 'output.pdf'
except Exception as e:
end()
output = e
print_error_hints(cmd=CMD, pwd=link_dir, err=e)
return {
'cmd': CMD,
'output': output,
}
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 Exception('Archive.org denied by {}/robots.txt'.format(domain(link['url'])))
elif errors:
raise Exception(', '.join(errors))
else:
raise Exception('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,
}
def fetch_git(link_dir, link, timeout=TIMEOUT):
"""download full site using git"""
url_is_clonable = (domain(link['url']) in GIT_DOMAINS
or link['url'].endswith('.git')
or link['type'] == 'git')
if not url_is_clonable:
return {'output': None, 'status': 'skipped'}
git_dir = os.path.join(link_dir, 'git')
if os.path.exists(git_dir):
return {'output': 'git', 'status': 'skipped'}
os.makedirs(git_dir, exist_ok=True)
output = 'git'
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=git_dir,
timeout=timeout + 1)
end()
if result.returncode == 128:
# ignore failed re-download when the folder already exists
pass
elif result.returncode > 0:
print(' got git response code {}:'.format(
result.returncode))
raise Exception('Failed git download')
except Exception as e:
end()
output = e
print_error_hints(cmd=CMD, pwd=link_dir, err=e)
return {
'cmd': CMD,
'output': output,
}
def fetch_screenshot(link_dir,
link,
timeout=TIMEOUT,
user_data_dir=CHROME_USER_DATA_DIR,
resolution=RESOLUTION):
"""take screenshot of site using chrome --headless"""
if link['type'] in ('PDF', 'image'):
return {'output': wget_output_path(link)}
if os.path.exists(os.path.join(link_dir, 'screenshot.png')):
return {'output': 'screenshot.png', 'status': 'skipped'}
CMD = [
*chrome_headless(user_data_dir=user_data_dir),
'--screenshot',
'--window-size={}'.format(resolution),
'--hide-scrollbars',
'--timeout={}'.format((timeout) * 1000),
*(() if CHECK_SSL_VALIDITY else
('--disable-web-security', '--ignore-certificate-errors')),
# '--full-page', # TODO: make this actually work using ./bin/screenshot fullPage: true
link['url'],
]
end = progress(timeout, prefix=' ')
try:
result = run(CMD,
stdout=PIPE,
stderr=PIPE,
cwd=link_dir,
timeout=timeout)
end()
if result.returncode:
print(' ', (result.stderr or result.stdout).decode())
raise Exception('Failed to take screenshot')
chmod_file('screenshot.png', cwd=link_dir)
output = 'screenshot.png'
except Exception as e:
end()
output = e
print_error_hints(cmd=CMD, pwd=link_dir, err=e)
return {
'cmd': CMD,
'output': output,
}
def fetch_dom(link_dir,
link,
timeout=TIMEOUT,
user_data_dir=CHROME_USER_DATA_DIR):
"""print HTML of site to file using chrome --dump-html"""
if link['type'] in ('PDF', 'image'):
return {'output': wget_output_path(link)}
output_path = os.path.join(link_dir, 'output.html')
if os.path.exists(output_path):
return {'output': 'output.html', 'status': 'skipped'}
CMD = [
*chrome_headless(user_data_dir=user_data_dir), '--dump-dom',
'--timeout={}'.format((timeout) * 1000), 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:
print(' ', (result.stderr).decode())
raise Exception('Failed to fetch DOM')
chmod_file('output.html', cwd=link_dir)
output = 'output.html'
except Exception as e:
end()
output = e
print_error_hints(cmd=CMD, pwd=link_dir, err=e)
return {
'cmd': CMD,
'output': output,
}
def fetch_media(link_dir, link, timeout=MEDIA_TIMEOUT, overwrite=False):
"""Download playlists or individual video, audio, and subtitles using youtube-dl"""
# import ipdb; ipdb.set_trace()
output = os.path.join(link_dir, 'media')
already_done = os.path.exists(output) # and os.listdir(output)
if already_done and not overwrite:
return {'output': 'media', 'status': 'skipped'}
os.makedirs(output, 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,
timeout=timeout + 1)
chmod_file('media', cwd=link_dir)
output = 'media'
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:
print(' got youtubedl response code {}:'.format(
result.returncode))
print(result.stderr)
raise Exception('Failed to download media')
except Exception as e:
end()
output = e
print_error_hints(cmd=CMD, pwd=link_dir, err=e)
return {
'cmd': CMD,
'output': output,
}
def fetch_wget(link_dir,
link,
requisites=FETCH_WGET_REQUISITES,
warc=FETCH_WARC,
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 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 warc else ('--timestamping', )),
*(('--warc-file={}'.format(warc_path), ) if 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, look_in=domain_dir)
output_tail = [
' ' + line
for line in (result.stdout +
result.stderr).decode().rsplit('\n', 3)[-3:]
if line.strip()
]
# parse out number of files downloaded from "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:
print(' Got wget response code {}:'.format(
result.returncode))
print('\n'.join(output_tail))
if b'403: Forbidden' in result.stderr:
raise Exception('403 Forbidden (try changing WGET_USER_AGENT)')
if b'404: Not Found' in result.stderr:
raise Exception('404 Not Found')
if b'ERROR 500: Internal Server Error' in result.stderr:
raise Exception('500 Internal Server Error')
raise Exception('Got an error from the server')
except Exception as e:
end()
output = e
print_error_hints(cmd=CMD, pwd=link_dir, err=e)
return {
'cmd': CMD,
'output': output,
}
