def __init__(self, cookie='firefox'):
self.pool = create_pool(timeout=INSTAGRAM_PUBLIC_API_DEFAULT_TIMEOUT)
if cookie in COOKIE_BROWSERS:
get_cookie_for_url = grab_cookies(cookie)
cookie = get_cookie_for_url(INSTAGRAM_URL)
if not cookie:
raise InstagramInvalidCookieError
self.cookie = cookie
def grab_facebook_cookie(source):
if source in COOKIE_BROWSERS:
get_cookie_for_url = grab_cookies(source)
if get_cookie_for_url is None:
return None
cookie = get_cookie_for_url(FACEBOOK_URL + '/')
else:
cookie = source.strip()
if not cookie or 'c_user=' not in cookie.lower():
return None
return fix_cookie(cookie)
def fetch_action(cli_args, resolve=False, defer=None):
# If we are hitting a single url we enable contents_in_report by default
if not resolve and isinstance(cli_args.file, StringIO) and cli_args.contents_in_report is None:
cli_args.contents_in_report = True
if not resolve and cli_args.contents_in_report and cli_args.compress:
raise InvalidArgumentsError('Cannot both --compress and output --contents-in-report!')
# HTTP method
http_method = cli_args.method
# Cookie grabber
get_cookie = None
if cli_args.grab_cookies:
get_cookie = grab_cookies(cli_args.grab_cookies)
# Global headers
global_headers = None
if cli_args.headers:
global_headers = {}
for header in cli_args.headers:
k, v = parse_http_header(header)
global_headers[k] = v
# Resume listener
skipped_rows = 0
resuming_reader_loading = None
if cli_args.resume and cli_args.output.can_resume():
resuming_reader_loading = LoadingBar(
desc='Resuming',
unit='line'
)
def output_read_listener(event, row):
nonlocal skipped_rows
if event != 'output.row':
return
skipped_rows += 1
resuming_reader_loading.update()
cli_args.output.listener = output_read_listener
if resolve:
additional_headers = RESOLVE_ADDITIONAL_HEADERS
else:
additional_headers = FETCH_ADDITIONAL_HEADERS
if cli_args.contents_in_report:
additional_headers = additional_headers + ['raw_contents']
# Enricher
multiplex = None
if cli_args.separator is not None:
multiplex = (cli_args.column, cli_args.separator)
enricher = casanova.threadsafe_enricher(
cli_args.file,
cli_args.output,
add=additional_headers,
keep=cli_args.select,
total=cli_args.total,
prebuffer_bytes=DEFAULT_PREBUFFER_BYTES,
multiplex=multiplex
)
if resuming_reader_loading is not None:
resuming_reader_loading.close()
if cli_args.column not in enricher.headers:
raise InvalidArgumentsError('Could not find the "%s" column containing the urls in the given CSV file.' % cli_args.column)
url_pos = enricher.headers[cli_args.column]
filename_pos = None
if not resolve and cli_args.filename is not None:
if cli_args.filename not in enricher.headers:
raise InvalidArgumentsError('Could not find the "%s" column containing the filenames in the given CSV file.' % cli_args.filename)
filename_pos = enricher.headers[cli_args.filename]
# Loading bar
loading_bar = LoadingBar(
desc='Fetching pages',
total=enricher.total,
unit='url',
initial=skipped_rows
)
defer(loading_bar.close) # NOTE: it could be dangerous with multithreaded execution, not to close it ourselves
def update_loading_bar(result):
nonlocal errors
if result.error is not None:
errors += 1
else:
if resolve:
status = result.stack[-1].status
else:
status = result.response.status
if status >= 400:
status_codes[status] += 1
stats = {'errors': errors}
for code, count in status_codes.most_common(1):
stats[str(code)] = count
loading_bar.update_stats(**stats)
loading_bar.update()
only_shortened = getattr(cli_args, 'only_shortened', False)
def url_key(item):
url = item[1][url_pos].strip()
if not url:
return
if only_shortened and not is_shortened_url(url):
return
# Url templating
if cli_args.url_template:
return cli_args.url_template.format(value=url)
return url
def request_args(domain, url, item):
cookie = None
# Cookie
if get_cookie:
cookie = get_cookie(url)
# Headers
headers = None
if global_headers:
headers = global_headers
return {
'method': http_method,
'cookie': cookie,
'headers': headers
}
# Worker callback internals
filename_builder = None
files_writer = None
if not resolve:
try:
filename_builder = FilenameBuilder(
folder_strategy=cli_args.folder_strategy,
template=cli_args.filename_template
)
except TypeError:
die([
'Invalid "%s" --folder-strategy!' % cli_args.folder_strategy,
'Check the list at the end of the command help:',
' $ minet fetch -h'
])
files_writer = ThreadSafeFilesWriter(cli_args.output_dir)
def worker_callback(result):
# NOTE: at this point the callback is only fired on success
row = result.item[1]
response = result.response
meta = result.meta
if cli_args.keep_failed_contents and response.status != 200:
return
# First we need to build a filename
filename_cell = row[filename_pos] if filename_pos else None
formatter_kwargs = {}
if cli_args.filename_template and 'line' in cli_args.filename_template:
formatter_kwargs['line'] = enricher.wrap(row)
try:
filename = filename_builder(
result.resolved,
filename=filename_cell,
ext=meta.get('ext'),
formatter_kwargs=formatter_kwargs,
compressed=cli_args.compress
)
except FilenameFormattingError as e:
result.error = e
return
meta['filename'] = filename
# Decoding the response data?
is_text = meta.get('is_text', False)
original_encoding = meta.get('encoding', 'utf-8')
data = response.data
binary = True
if is_text and (cli_args.standardize_encoding or cli_args.contents_in_report):
data = data.decode(original_encoding, errors='replace')
binary = False
if cli_args.contents_in_report:
meta['decoded_contents'] = data
# Writing the file?
# TODO: specify what should happen when contents are empty (e.g. POST queries)
if data and not cli_args.contents_in_report:
files_writer.write(
filename,
data,
binary=binary,
compress=cli_args.compress
)
def write_fetch_output(index, row, resolved=None, status=None, error=None,
filename=None, encoding=None, mimetype=None, data=None):
addendum = [
resolved or '',
status or '',
error or '',
filename or '',
mimetype or '',
encoding or ''
]
if cli_args.contents_in_report:
addendum.append(data or '')
enricher.writerow(index, row, addendum)
def write_resolve_output(index, row, resolved=None, status=None, error=None,
redirects=None, chain=None):
addendum = [
resolved or '',
status or '',
error or '',
redirects or '',
chain or ''
]
enricher.writerow(index, row, addendum)
errors = 0
status_codes = Counter()
common_kwargs = {
'key': url_key,
'insecure': cli_args.insecure,
'threads': cli_args.threads,
'throttle': cli_args.throttle,
'domain_parallelism': cli_args.domain_parallelism,
'max_redirects': cli_args.max_redirects,
'wait': False,
'daemonic': True
}
if cli_args.timeout is not None:
common_kwargs['timeout'] = cli_args.timeout
# Normal fetch
if not resolve:
multithreaded_iterator = multithreaded_fetch(
enricher,
request_args=request_args,
callback=worker_callback,
**common_kwargs
)
for result in multithreaded_iterator:
index, row = result.item
if not result.url:
write_fetch_output(
index,
row
)
loading_bar.update()
continue
# Updating stats
update_loading_bar(result)
# No error
if result.error is None:
meta = result.meta
# Final url target
resolved_url = result.resolved
if resolved_url == result.url:
resolved_url = None
# Reporting in output
write_fetch_output(
index,
row,
resolved=resolved_url,
status=result.response.status,
filename=meta.get('filename'),
encoding=meta.get('encoding'),
mimetype=meta.get('mimetype'),
data=meta.get('decoded_contents')
)
# Handling potential errors
else:
error_code = report_error(result.error)
resolved = None
if isinstance(result.error, InvalidURLError):
resolved = result.error.url
if isinstance(result.error, FilenameFormattingError):
loading_bar.print(report_filename_formatting_error(result.error))
write_fetch_output(
index,
row,
error=error_code,
resolved=resolved
)
# Resolve
else:
multithreaded_iterator = multithreaded_resolve(
enricher,
resolve_args=request_args,
follow_meta_refresh=cli_args.follow_meta_refresh,
follow_js_relocation=cli_args.follow_js_relocation,
infer_redirection=cli_args.infer_redirection,
**common_kwargs
)
for result in multithreaded_iterator:
index, row = result.item
if not result.url:
write_resolve_output(
index,
row
)
loading_bar.update()
continue
# Updating stats
update_loading_bar(result)
# No error
if result.error is None:
# Reporting in output
last = result.stack[-1]
write_resolve_output(
index,
row,
resolved=last.url,
status=last.status,
redirects=len(result.stack) - 1,
chain='|'.join(step.type for step in result.stack)
)
# Handling potential errors
else:
error_code = report_error(result.error)
write_resolve_output(
index,
row,
error=error_code,
redirects=(len(result.stack) - 1) if result.stack else None,
chain='|'.join(step.type for step in result.stack) if result.stack else None
)