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pywb/urlrewrite/platformhandler.py

100 lines
3.5 KiB
Python

from gevent.monkey import patch_all; patch_all()
import requests
from pywb.framework.archivalrouter import Route
from pywb.rewrite.rewrite_content import RewriteContent
from pywb.rewrite.wburl import WbUrl
from pywb.warc.recordloader import ArcWarcRecordLoader
from pywb.webapp.live_rewrite_handler import RewriteHandler
from pywb.utils.canonicalize import canonicalize
from pywb.utils.timeutils import http_date_to_timestamp
from pywb.cdx.cdxobject import CDXObject
from io import BytesIO
from rewriteinputreq import RewriteInputRequest
from six.moves.urllib.parse import quote
# ============================================================================
class PlatformRoute(Route):
def apply_filters(self, wbrequest, matcher):
wbrequest.matchdict = matcher.groupdict()
# ============================================================================
class PlatformHandler(RewriteHandler):
def __init__(self, config):
super(PlatformHandler, self).__init__(config)
self.upstream_url = config.get('upstream_url')
self.loader = ArcWarcRecordLoader()
framed = config.get('framed_replay')
self.content_rewriter = RewriteContent(is_framed_replay=framed)
def render_content(self, wbrequest):
if wbrequest.wb_url.mod == 'vi_':
return self._get_video_info(wbrequest)
ref_wburl_str = wbrequest.extract_referrer_wburl_str()
if ref_wburl_str:
wbrequest.env['HTTP_REFERER'] = WbUrl(ref_wburl_str).url
urlkey = canonicalize(wbrequest.wb_url.url)
url = wbrequest.wb_url.url
inputreq = RewriteInputRequest(wbrequest.env, urlkey, url,
self.content_rewriter)
req_data = inputreq.reconstruct_request(url)
headers = {'Content-Length': len(req_data),
'Content-Type': 'application/request'}
if wbrequest.wb_url.is_latest_replay():
closest = 'now'
else:
closest = wbrequest.wb_url.timestamp
upstream_url = self.upstream_url.format(url=quote(url),
closest=closest,
#coll=wbrequest.coll,
**wbrequest.matchdict)
r = requests.post(upstream_url,
data=BytesIO(req_data),
headers=headers,
stream=True,
allow_redirects=False)
r.raise_for_status()
record = self.loader.parse_record_stream(r.raw)
cdx = CDXObject()
cdx['urlkey'] = urlkey
cdx['timestamp'] = http_date_to_timestamp(r.headers.get('Memento-Datetime'))
cdx['url'] = url
head_insert_func = self.head_insert_view.create_insert_func(wbrequest)
result = self.content_rewriter.rewrite_content(wbrequest.urlrewriter,
record.status_headers,
record.stream,
head_insert_func,
urlkey,
cdx)
status_headers, gen, is_rw = result
return self._make_response(wbrequest, *result)
if __name__ == "__main__":
from gevent.wsgi import WSGIServer
from pywb.apps.wayback import application
server = WSGIServer(('', 8090), application)
server.serve_forever()