ArchiveBox/archive.py
2017-07-04 03:29:42 -05:00

490 lines
20 KiB
Python
Executable file

#!/usr/bin/env python3
# Bookmark Archiver
# Nick Sweeting 2017 | MIT License
# https://github.com/pirate/bookmark-archiver
import re
import os
import sys
import json
import time
from datetime import datetime
from subprocess import run, PIPE, DEVNULL
__DESCRIPTION__ = 'Bookmark Archiver: Create a browsable html archive of a list of links.'
__DOCUMENTATION__ = 'https://github.com/pirate/bookmark-archiver'
### SETTINGS
INDEX_TEMPLATE = 'index_template.html'
# os.getenv('VARIABLE', 'DEFAULT') gets the value of environment
# variable "VARIABLE" and if it is not set, sets it to 'DEFAULT'
# for boolean values, check to see if the string is 'true', and
# if so, the python variable will be True
FETCH_WGET = os.getenv('FETCH_WGET', 'True' ).lower() == 'true'
FETCH_WGET_REQUISITES = os.getenv('FETCH_WGET_REQUISITES', 'True' ).lower() == 'true'
FETCH_PDF = os.getenv('FETCH_PDF', 'True' ).lower() == 'true'
FETCH_SCREENSHOT = os.getenv('FETCH_SCREENSHOT', 'True' ).lower() == 'true'
FETCH_FAVICON = os.getenv('FETCH_FAVICON', 'True' ).lower() == 'true'
SUBMIT_ARCHIVE_DOT_ORG = os.getenv('SUBMIT_ARCHIVE_DOT_ORG', 'True' ).lower() == 'true'
RESOLUTION = os.getenv('RESOLUTION', '1440,900' )
ARCHIVE_PERMISSIONS = os.getenv('ARCHIVE_PERMISSIONS', '755' )
CHROME_BINARY = os.getenv('CHROME_BINARY', 'chromium-browser' ) # change to google-chrome browser if using google-chrome
WGET_BINARY = os.getenv('WGET_BINARY', 'wget' )
TIMEOUT = int(os.getenv('TIMEOUT', '60'))
def check_dependencies():
print('[*] Checking Dependencies:')
if FETCH_PDF or FETCH_SCREENSHOT:
if run(['which', CHROME_BINARY]).returncode:
print('[X] Missing dependency: {}'.format(CHROME_BINARY))
print(' See https://github.com/pirate/bookmark-archiver for help.')
raise SystemExit(1)
# parse chrome --version e.g. Google Chrome 61.0.3114.0 canary / Chromium 59.0.3029.110 built on Ubuntu, running on Ubuntu 16.04
result = run([CHROME_BINARY, '--version'], stdout=PIPE)
version = result.stdout.decode('utf-8').replace('Google Chrome ', '').replace('Chromium ', '').split(' ', 1)[0].split('.', 1)[0] # TODO: regex might be better
if int(version) < 59:
print('[X] Chrome version must be 59 or greater for headless PDF and screenshot saving')
print(' See https://github.com/pirate/bookmark-archiver for help.')
raise SystemExit(1)
if FETCH_WGET:
if run(['which', 'wget']).returncode:
print('[X] Missing dependency: wget')
print(' See https://github.com/pirate/bookmark-archiver for help.')
raise SystemExit(1)
if FETCH_FAVICON or SUBMIT_ARCHIVE_DOT_ORG:
if run(['which', 'curl']).returncode:
print('[X] Missing dependency: curl')
print(' See https://github.com/pirate/bookmark-archiver for help.')
raise SystemExit(1)
### PARSING READER LIST EXPORTS
def get_link_type(link):
"""Certain types of links need to be handled specially, this figures out when that's the case"""
if link['base_url'].endswith('.pdf'):
return 'PDF'
elif link['base_url'].rsplit('.', 1) in ('pdf', 'png', 'jpg', 'jpeg', 'svg', 'bmp', 'gif', 'tiff', 'webp'):
return 'image'
elif 'wikipedia.org' in link['domain']:
return 'wiki'
elif 'youtube.com' in link['domain']:
return 'youtube'
return None
def parse_pocket_export(html_file):
"""Parse Pocket-format bookmarks export files (produced by getpocket.com/export/)"""
html_file.seek(0)
pattern = re.compile("^\\s*<li><a href=\"(.+)\" time_added=\"(\\d+)\" tags=\"(.*)\">(.+)</a></li>", re.UNICODE) # see sample input in ./example_ril_export.html
for line in html_file:
match = pattern.search(line)
if match:
fixed_url = match.group(1).replace('http://www.readability.com/read?url=', '') # remove old readability prefixes to get original url
without_scheme = fixed_url.replace('http://', '').replace('https://', '')
info = {
'url': fixed_url,
'domain': without_scheme.split('/')[0], # without pathname
'base_url': without_scheme.split('?')[0], # without query args
'time': datetime.fromtimestamp(int(match.group(2))).strftime('%Y-%m-%d %H:%M'),
'timestamp': match.group(2),
'tags': match.group(3),
'title': match.group(4).replace(' — Readability', '').replace('http://www.readability.com/read?url=', '') or without_scheme,
}
info['type'] = get_link_type(info)
yield info
def parse_json_export(json_file):
"""Parse JSON-format bookmarks export files (produced by pinboard.in/export/)"""
json_file.seek(0)
json_content = json.load(json_file)
for line in json_content:
if line:
erg = line
info = {
'url': erg['href'],
'domain': erg['href'].replace('http://', '').replace('https://', '').split('/')[0],
'base_url': erg['href'].replace('https://', '').replace('http://', '').split('?')[0],
'time': datetime.fromtimestamp(int(time.mktime(time.strptime(erg['time'].split(',')[0], '%Y-%m-%dT%H:%M:%SZ')))),
'timestamp': str(int(time.mktime(time.strptime(erg['time'].split(',')[0], '%Y-%m-%dT%H:%M:%SZ')))),
'tags': erg['tags'],
'title': erg['description'].replace(' — Readability', ''),
}
info['type'] = get_link_type(info)
yield info
def parse_bookmarks_export(html_file):
"""Parse netscape-format bookmarks export files (produced by all browsers)"""
html_file.seek(0)
pattern = re.compile("<a href=\"(.+?)\" add_date=\"(\\d+)\"[^>]*>(.+)</a>", re.UNICODE | re.IGNORECASE)
for line in html_file:
match = pattern.search(line)
if match:
url = match.group(1)
secs = match.group(2)
dt = datetime.fromtimestamp(int(secs))
info = {
'url': url,
'domain': url.replace('http://', '').replace('https://', '').split('/')[0],
'base_url': url.replace('https://', '').replace('http://', '').split('?')[0],
'time': dt,
'timestamp': secs,
'tags': "",
'title': match.group(3),
}
info['type'] = get_link_type(info)
yield info
### ACHIVING FUNCTIONS
def chmod_file(path, cwd='.', permissions=ARCHIVE_PERMISSIONS):
if not os.path.exists(os.path.join(cwd, path)):
raise Exception('Failed to chmod: {} does not exist (did the previous step fail?)'.format(path))
chmod_result = run(['chmod', '-R', ARCHIVE_PERMISSIONS, path], cwd=cwd, stdout=DEVNULL, stderr=PIPE, timeout=5)
if chmod_result.returncode == 1:
print(' ', chmod_result.stderr.decode())
raise Exception('Failed to chmod {}/{}'.format(cwd, path))
def fetch_wget(out_dir, link, overwrite=False):
"""download full site using wget"""
domain = link['base_url'].split('/', 1)[0]
if not os.path.exists('{}/{}'.format(out_dir, domain)) or overwrite:
print(' - Downloading Full Site')
CMD = [
*'wget --timestamping --adjust-extension --no-parent'.split(' '),
*(('--page-requisites', '--convert-links') if FETCH_WGET_REQUISITES else ()),
link['url'],
]
try:
result = run(CMD, stdout=DEVNULL, stderr=PIPE, cwd=out_dir, timeout=TIMEOUT) # dom.html
if result.returncode > 0:
print(' ', result.stderr.decode().split('\n')[-1])
print(' Run to see full output:', 'cd {}; {}'.format(out_dir, ' '.join(CMD)))
raise Exception('Failed to wget download')
chmod_file(domain, cwd=out_dir)
except Exception as e:
print(' Exception: {} {}'.format(e.__class__.__name__, e))
else:
print(' √ Skipping site download')
def fetch_pdf(out_dir, link, overwrite=False):
"""print PDF of site to file using chrome --headless"""
if (not os.path.exists('{}/output.pdf'.format(out_dir)) or overwrite) and link['type'] not in ('PDF', 'image'):
print(' - Printing PDF')
chrome_args = '--headless --disable-gpu --print-to-pdf'.split(' ')
try:
result = run([CHROME_BINARY, *chrome_args, link['url']], stdout=DEVNULL, stderr=PIPE, cwd=out_dir, timeout=TIMEOUT) # output.pdf
if result.returncode:
print(' ', result.stderr.decode())
raise Exception('Failed to print PDF')
chmod_file('output.pdf', cwd=out_dir)
except Exception as e:
print(' Exception: {} {}'.format(e.__class__.__name__, e))
else:
print(' √ Skipping PDF print')
def fetch_screenshot(out_dir, link, overwrite=False):
"""take screenshot of site using chrome --headless"""
if (not os.path.exists('{}/screenshot.png'.format(out_dir)) or overwrite) and link['type'] not in ('PDF', 'image'):
print(' - Snapping Screenshot')
chrome_args = '--headless --disable-gpu --screenshot'.split(' ')
try:
result = run([CHROME_BINARY, *chrome_args, '--window-size={}'.format(RESOLUTION), link['url']], stdout=DEVNULL, stderr=DEVNULL, cwd=out_dir, timeout=TIMEOUT) # sreenshot.png
if result.returncode:
print(' ', result.stderr.decode())
raise Exception('Failed to take screenshot')
chmod_file('screenshot.png', cwd=out_dir)
except Exception as e:
print(' Exception: {} {}'.format(e.__class__.__name__, e))
else:
print(' √ Skipping screenshot')
def archive_dot_org(out_dir, link, overwrite=False):
"""submit site to archive.org for archiving via their service, save returned archive url"""
if (not os.path.exists('{}/archive.org.txt'.format(out_dir)) or overwrite):
print(' - Submitting to archive.org')
submit_url = 'https://web.archive.org/save/{}'.format(link['url'].split('?', 1)[0])
success = False
CMD = ['curl', '-I', submit_url]
try:
result = run(CMD, stdout=PIPE, stderr=DEVNULL, cwd=out_dir, timeout=TIMEOUT) # archive.org
headers = result.stdout.splitlines()
content_location = [h for h in headers if b'Content-Location: ' in h]
if content_location:
archive_path = content_location[0].split(b'Content-Location: ', 1)[-1].decode('utf-8')
saved_url = 'https://web.archive.org{}'.format(archive_path)
success = True
else:
print(' Visit url to see output:', ' '.join(CMD))
raise Exception('Failed to find "Content-Location" URL header in Archive.org response.')
except Exception as e:
print(' Exception: {} {}'.format(e.__class__.__name__, e))
if success:
with open('{}/archive.org.txt'.format(out_dir), 'w') as f:
f.write(saved_url)
chmod_file('archive.org.txt', cwd=out_dir)
else:
print(' √ Skipping archive.org')
def fetch_favicon(out_dir, link, overwrite=False):
"""download site favicon from google's favicon api"""
if not os.path.exists('{}/favicon.ico'.format(out_dir)) or overwrite:
print(' - Fetching Favicon')
CMD = 'curl https://www.google.com/s2/favicons?domain={domain}'.format(**link).split(' ')
fout = open('{}/favicon.ico'.format(out_dir), 'w')
try:
run([*CMD], stdout=fout, stderr=DEVNULL, cwd=out_dir, timeout=TIMEOUT) # favicon.ico
chmod_file('favicon.ico', cwd=out_dir)
except Exception as e:
print(' Exception: {} {}'.format(e.__class__.__name__, e))
fout.close()
else:
print(' √ Skipping favicon')
### ORCHESTRATION
def next_uniq_timestamp(used_timestamps, timestamp):
"""resolve duplicate timestamps by appending a decimal 1234, 1234 -> 1234.1, 1234.2"""
if timestamp not in used_timestamps:
return timestamp
if '.' in timestamp:
timestamp, nonce = timestamp.split('.')
nonce = int(nonce)
else:
nonce = 1
new_timestamp = '{}.{}'.format(timestamp, nonce)
while new_timestamp in used_timestamps:
nonce += 1
new_timestamp = '{}.{}'.format(timestamp, nonce)
return new_timestamp
def uniquefied_links(links):
"""uniqueify link timestamps by de-duping using url, returns links sorted most recent -> oldest
needed because firefox will produce exports where many links share the same timestamp, this func
ensures that all non-duplicate links have monotonically increasing timestamps
"""
links = list(reversed(sorted(links, key=lambda l: (l['timestamp'], l['url']))))
seen_timestamps = {}
for link in links:
t = link['timestamp']
if t in seen_timestamps:
if link['url'] == seen_timestamps[t]['url']:
# don't create new unique timestamp if link is the same
continue
else:
# resolve duplicate timstamp by appending a decimal
link['timestamp'] = next_uniq_timestamp(seen_timestamps, link['timestamp'])
seen_timestamps[link['timestamp']] = link
return links
def valid_links(links):
"""remove chrome://, about:// or other schemed links that cant be archived"""
return (link for link in links if link['url'].startswith('http') or link['url'].startswith('ftp'))
def dump_index(links, service):
"""create index.html file for a given list of links and service"""
with open(INDEX_TEMPLATE, 'r') as f:
index_html = f.read()
# TODO: refactor this out into index_template.html
link_html = """\
<tr>
<td>{time}</td>
<td><a href="archive/{timestamp}/{base_url}" style="font-size:1.4em;text-decoration:none;color:black;" title="{title}">
<img src="archive/{timestamp}/favicon.ico">
{title} <small style="background-color: #eee;border-radius:4px; float:right">{tags}</small>
</td>
<td style="text-align:center"><a href="archive/{timestamp}/" title="Files">📂</a></td>
<td style="text-align:center"><a href="{pdf_link}" title="PDF">📄</a></td>
<td style="text-align:center"><a href="{screenshot_link}" title="Screenshot">🖼</a></td>
<td style="text-align:center"><a href="https://web.archive.org/web/{base_url}" title="Archive.org">🏛</a></td>
<td>🔗 <img src="https://www.google.com/s2/favicons?domain={domain}" height="16px"> <a href="{url}">{url}</a></td>
</tr>"""
def get_template_vars(link):
# since we dont screenshot or PDF links that are images or PDFs, change those links to point to the wget'ed file
link_info = {**link}
# add link type to title
if link['type']:
link_info.update({'title': '{title} ({type})'.format(**link)})
# PDF and images link to wgetted version, since we dont re-screenshot/pdf them
if link['type'] in ('PDF', 'image'):
link_info.update({
'pdf_link': 'archive/{timestamp}/{base_url}'.format(**link),
'screenshot_link': 'archive/{timestamp}/{base_url}'.format(**link),
})
else:
link_info.update({
'pdf_link': 'archive/{timestamp}/output.pdf'.format(**link),
'screenshot_link': 'archive/{timestamp}/screenshot.png'.format(**link)
})
return link_info
article_rows = '\n'.join(
link_html.format(**get_template_vars(link)) for link in links
)
template_vars = (datetime.now().strftime('%Y-%m-%d %H:%M'), article_rows)
with open(''.join((service, '/index.html')), 'w') as f:
f.write(index_html.format(*template_vars))
def dump_website(link, service, overwrite=False):
"""download the DOM, PDF, and a screenshot into a folder named after the link's timestamp"""
print('[+] [{timestamp} ({time})] "{title}": {base_url}'.format(**link))
out_dir = ''.join((service, '/archive/{timestamp}')).format(**link)
if not os.path.exists(out_dir):
os.makedirs(out_dir)
run(['chmod', ARCHIVE_PERMISSIONS, out_dir], timeout=5)
if link['type']:
print(' i Type: {}'.format(link['type']))
if not (link['url'].startswith('http') or link['url'].startswith('ftp')):
print(' X Skipping: invalid link.')
return
if FETCH_WGET:
fetch_wget(out_dir, link, overwrite=overwrite)
if FETCH_PDF:
fetch_pdf(out_dir, link, overwrite=overwrite)
if FETCH_SCREENSHOT:
fetch_screenshot(out_dir, link, overwrite=overwrite)
if SUBMIT_ARCHIVE_DOT_ORG:
archive_dot_org(out_dir, link, overwrite=overwrite)
if FETCH_FAVICON:
fetch_favicon(out_dir, link, overwrite=overwrite)
def create_archive(export_file, service=None, resume=None):
"""update or create index.html and download archive of all links"""
with open(export_file, 'r', encoding='utf-8') as f:
print('[+] [{}] Starting archive from {} export file.'.format(
datetime.now().strftime('%Y-%m-%d %H:%M:%S'),
export_file
))
# if specific service was passed via command line
if service == "pocket":
links = parse_pocket_export(f)
elif service == "pinboard":
links = parse_json_export(f)
elif service == "bookmarks":
links = parse_bookmarks_export(f)
else:
# otherwise try all parsers until one works
try:
links = list(parse_json_export(f))
service = 'pinboard'
except Exception:
links = list(parse_pocket_export(f))
if links:
service = 'pocket'
else:
links = list(parse_bookmarks_export(f))
service = 'bookmarks'
links = valid_links(links) # remove chrome://, about:, mailto: etc.
links = uniquefied_links(links) # fix duplicate timestamps, returns sorted list
if resume:
try:
links = [
link
for link in links
if float(link['timestamp']) >= float(resume)
]
except TypeError:
print('Resume value and all timestamp values must be valid numbers.')
if not links:
print('[X] No links found in {}, is it a {} export file?'.format(export_file, service))
raise SystemExit(1)
if not os.path.exists(service):
os.makedirs(service)
if not os.path.exists(''.join((service, '/archive'))):
os.makedirs(''.join((service, '/archive')))
dump_index(links, service)
run(['chmod', '-R', ARCHIVE_PERMISSIONS, service], timeout=30)
print('[*] [{}] Created archive index with {} links.'.format(
datetime.now().strftime('%Y-%m-%d %H:%M:%S'),
len(links),
))
check_dependencies()
for link in links:
dump_website(link, service)
print('[√] [{}] Archive update complete.'.format(datetime.now()))
if __name__ == '__main__':
argc = len(sys.argv)
if argc < 2 or sys.argv[1] in ('-h', '--help', 'help'):
print(__DESCRIPTION__)
print("Documentation: {}".format(__DOCUMENTATION__))
print("")
print("Usage:")
print(" ./archive.py ~/Downloads/bookmarks_export.html")
print("")
raise SystemExit(0)
export_file = sys.argv[1] # path to export file
export_type = sys.argv[2] if argc > 2 else None # select export_type for file format select
resume_from = sys.argv[3] if argc > 3 else None # timestamp to resume dowloading from
create_archive(export_file, service=export_type, resume=resume_from)