def render_content(self, wb_url, kwargs, environ): wb_url = wb_url.replace('#', '%23') wb_url = WbUrl(wb_url) history_page = environ.pop('HTTP_X_WOMBAT_HISTORY_PAGE', '') if history_page: wb_url.url = history_page is_ajax = True else: is_ajax = self.is_ajax(environ) is_timegate = self._check_accept_dt(wb_url, environ) self.prepare_env(environ) host_prefix = environ['pywb.host_prefix'] rel_prefix = self.get_rel_prefix(environ) full_prefix = host_prefix + rel_prefix pywb_static_prefix = environ['pywb.static_prefix'] + '/' is_proxy = ('wsgiprox.proxy_host' in environ) # if OPTIONS in proxy mode, just generate the proxy responss if is_proxy and self.is_preflight(environ): return WbResponse.options_response(environ) if self.use_js_obj_proxy: content_rw = self.js_proxy_rw else: content_rw = self.default_rw # no redirects if in proxy redirect_to_exact = self.redirect_to_exact and not is_proxy # Check Prefer pref_mod, pref_applied = self._get_prefer_mod(wb_url, environ, content_rw, is_proxy) response = None keep_frame_response = False # prefer overrides custom response? if pref_mod is not None: # fast-redirect to preferred if redirect_to_exact and not is_timegate and pref_mod != wb_url.mod: new_url = full_prefix + wb_url.to_str(mod=pref_mod) headers = [('Preference-Applied', pref_applied), ('Vary', 'Prefer')] return WbResponse.redir_response(new_url, '307 Temporary Redirect', headers=headers) else: wb_url.mod = pref_mod else: if kwargs.get('output'): response = self.handle_timemap(wb_url, kwargs, full_prefix) elif wb_url.is_query(): response = self.handle_query(environ, wb_url, kwargs, full_prefix) else: response = self.handle_custom_response(environ, wb_url, full_prefix, host_prefix, kwargs) keep_frame_response = (not kwargs.get('no_timegate_check') and is_timegate and not is_proxy) or redirect_to_exact if response and not keep_frame_response: return self.format_response(response, wb_url, full_prefix, is_timegate, is_proxy) if is_proxy: environ['pywb_proxy_magic'] = environ['wsgiprox.proxy_host'] urlrewriter = IdentityUrlRewriter(wb_url, '') framed_replay = False else: urlrewriter = UrlRewriter(wb_url, prefix=full_prefix, full_prefix=full_prefix, rel_prefix=rel_prefix, pywb_static_prefix=pywb_static_prefix) framed_replay = self.framed_replay url_parts = urlsplit(wb_url.url) if not url_parts.path: return self.send_redirect('/', url_parts, urlrewriter) self.unrewrite_referrer(environ, full_prefix) urlkey = canonicalize(wb_url.url) inputreq = RewriteInputRequest(environ, urlkey, wb_url.url, content_rw) inputreq.include_method_query(wb_url.url) range_start, range_end, skip_record = self._check_range( inputreq, wb_url) setcookie_headers = None cookie_key = None if self.cookie_tracker: cookie_key = self.get_cookie_key(kwargs) if cookie_key: res = self.cookie_tracker.get_cookie_headers( wb_url.url, urlrewriter, cookie_key, environ.get('HTTP_COOKIE', '')) inputreq.extra_cookie, setcookie_headers = res r = self._do_req(inputreq, wb_url, kwargs, skip_record) if r.status_code >= 400: error = None try: error = r.raw.read() except Exception: pass finally: no_except_close(r.raw) if error: error = error.decode('utf-8') else: error = '' details = dict(args=kwargs, error=error) if r.status_code == 404: raise NotFoundException(url=wb_url.url, msg=details) else: raise UpstreamException(r.status_code, url=wb_url.url, details=details) cdx = CDXObject(r.headers.get('Warcserver-Cdx').encode('utf-8')) cdx_url_parts = urlsplit(cdx['url']) if cdx_url_parts.path.endswith( '/') and not url_parts.path.endswith('/'): # add trailing slash new_path = url_parts.path + '/' no_except_close(r.raw) return self.send_redirect(new_path, url_parts, urlrewriter) # only redirect to exact if not live, otherwise set to false redirect_to_exact = redirect_to_exact and not cdx.get('is_live') # return top-frame timegate response, with timestamp from cdx if response and keep_frame_response and (not redirect_to_exact or not is_timegate): no_except_close(r.raw) return self.format_response(response, wb_url, full_prefix, is_timegate, is_proxy, cdx['timestamp']) stream = BufferedReader(r.raw, block_size=BUFF_SIZE) record = self.loader.parse_record_stream(stream, ensure_http_headers=True) memento_dt = r.headers.get('Memento-Datetime') target_uri = r.headers.get('WARC-Target-URI') # cdx['urlkey'] = urlkey # cdx['timestamp'] = http_date_to_timestamp(memento_dt) # cdx['url'] = target_uri set_content_loc = False # Check if Fuzzy Match if target_uri != wb_url.url and cdx.get('is_fuzzy') == '1': set_content_loc = True # if redirect to exact timestamp (only set if not live) if redirect_to_exact: if set_content_loc or is_timegate or wb_url.timestamp != cdx.get( 'timestamp'): new_url = urlrewriter.get_new_url(url=target_uri, timestamp=cdx['timestamp'], mod=wb_url.mod) resp = WbResponse.redir_response(new_url, '307 Temporary Redirect') if self.enable_memento: if is_timegate and not is_proxy: self._add_memento_links(target_uri, full_prefix, memento_dt, cdx['timestamp'], resp.status_headers, is_timegate, is_proxy, pref_applied=pref_applied, mod=pref_mod, is_memento=False) else: resp.status_headers['Link'] = MementoUtils.make_link( target_uri, 'original') return resp self._add_custom_params(cdx, r.headers, kwargs, record) if self._add_range(record, wb_url, range_start, range_end): wb_url.mod = 'id_' if is_ajax: head_insert_func = None urlrewriter.rewrite_opts['is_ajax'] = True else: top_url = self.get_top_url(full_prefix, wb_url, cdx, kwargs) head_insert_func = (self.head_insert_view.create_insert_func( wb_url, full_prefix, host_prefix, top_url, environ, framed_replay, coll=kwargs.get('coll', ''), replay_mod=self.replay_mod, metadata=kwargs.get('metadata', {}), config=self.config)) cookie_rewriter = None if self.cookie_tracker and cookie_key: # skip add cookie if service worker is not 200 # it seems cookie headers from service workers are not applied, so don't update in cache if wb_url.mod == 'sw_': cookie_key = None cookie_rewriter = self.cookie_tracker.get_rewriter( urlrewriter, cookie_key) urlrewriter.rewrite_opts['ua_string'] = environ.get('HTTP_USER_AGENT') result = content_rw(record, urlrewriter, cookie_rewriter, head_insert_func, cdx, environ) status_headers, gen, is_rw = result if history_page: title = DefaultRewriter._extract_title(gen) if not title: title = unquote(environ.get('HTTP_X_WOMBAT_HISTORY_TITLE', '')) if not title: title = history_page self._add_history_page(cdx, kwargs, title) return WbResponse.json_response({'title': title}) if setcookie_headers: status_headers.headers.extend(setcookie_headers) if ' ' not in status_headers.statusline: status_headers.statusline += ' None' if not is_ajax and self.enable_memento: self._add_memento_links(cdx['url'], full_prefix, memento_dt, cdx['timestamp'], status_headers, is_timegate, is_proxy, cdx.get('source-coll'), mod=pref_mod, pref_applied=pref_applied) set_content_loc = True if set_content_loc and not redirect_to_exact and not is_proxy: status_headers.headers.append( ('Content-Location', urlrewriter.get_new_url(timestamp=cdx['timestamp'], url=cdx['url']))) if not is_proxy: self.add_csp_header(wb_url, status_headers) response = WbResponse(status_headers, gen) if is_proxy and environ.get('HTTP_ORIGIN'): response.add_access_control_headers(environ) if r.status_code == 200 and kwargs.get( 'cache') == 'always' and environ.get('HTTP_REFERER'): response.status_headers[ 'Cache-Control'] = 'public, max-age=31536000, immutable' return response
def render_content(self, wb_url, kwargs, environ): wb_url = wb_url.replace('#', '%23') wb_url = WbUrl(wb_url) is_timegate = self._check_accept_dt(wb_url, environ) host_prefix = self.get_host_prefix(environ) rel_prefix = self.get_rel_prefix(environ) full_prefix = host_prefix + rel_prefix is_proxy = ('wsgiprox.proxy_host' in environ) response = self.handle_custom_response(environ, wb_url, full_prefix, host_prefix, kwargs) if response: return self.format_response(response, wb_url, full_prefix, is_timegate, is_proxy) if is_proxy: environ['pywb_proxy_magic'] = environ['wsgiprox.proxy_host'] urlrewriter = IdentityUrlRewriter(wb_url, '') framed_replay = False else: urlrewriter = UrlRewriter(wb_url, prefix=full_prefix, full_prefix=full_prefix, rel_prefix=rel_prefix) framed_replay = self.framed_replay url_parts = urlsplit(wb_url.url) if not url_parts.path: scheme, netloc, path, query, frag = url_parts path = '/' url = urlunsplit((scheme, netloc, path, query, frag)) resp = WbResponse.redir_response(urlrewriter.rewrite(url), '307 Temporary Redirect') if self.enable_memento: resp.status_headers['Link'] = MementoUtils.make_link(url, 'original') return resp self.unrewrite_referrer(environ, full_prefix) urlkey = canonicalize(wb_url.url) if self.use_js_obj_proxy: content_rw = self.js_proxy_rw else: content_rw = self.default_rw inputreq = RewriteInputRequest(environ, urlkey, wb_url.url, content_rw) inputreq.include_method_query(wb_url.url) range_start, range_end, skip_record = self._check_range(inputreq, wb_url) setcookie_headers = None if self.cookie_tracker: cookie_key = self.get_cookie_key(kwargs) res = self.cookie_tracker.get_cookie_headers(wb_url.url, urlrewriter, cookie_key) inputreq.extra_cookie, setcookie_headers = res r = self._do_req(inputreq, wb_url, kwargs, skip_record) if r.status_code >= 400: error = None try: error = r.raw.read() r.raw.close() except: pass if error: error = error.decode('utf-8') else: error = '' details = dict(args=kwargs, error=error) raise UpstreamException(r.status_code, url=wb_url.url, details=details) stream = BufferedReader(r.raw, block_size=BUFF_SIZE) record = self.loader.parse_record_stream(stream, ensure_http_headers=True) memento_dt = r.headers.get('Memento-Datetime') target_uri = r.headers.get('WARC-Target-URI') cdx = CDXObject(r.headers.get('Warcserver-Cdx').encode('utf-8')) #cdx['urlkey'] = urlkey #cdx['timestamp'] = http_date_to_timestamp(memento_dt) #cdx['url'] = target_uri set_content_loc = False # Check if Fuzzy Match if target_uri != wb_url.url and cdx.get('is_fuzzy') == '1': set_content_loc = True # if redir to exact, redir if url or ts are different if self.redirect_to_exact: if (set_content_loc or (wb_url.timestamp != cdx.get('timestamp') and not cdx.get('is_live'))): new_url = urlrewriter.get_new_url(url=target_uri, timestamp=cdx['timestamp'], mod=wb_url.mod) resp = WbResponse.redir_response(new_url, '307 Temporary Redirect') if self.enable_memento: if is_timegate and not is_proxy: self._add_memento_links(target_uri, full_prefix, memento_dt, cdx['timestamp'], resp.status_headers, is_timegate, is_proxy) else: resp.status_headers['Link'] = MementoUtils.make_link(target_uri, 'original') return resp self._add_custom_params(cdx, r.headers, kwargs) if self._add_range(record, wb_url, range_start, range_end): wb_url.mod = 'id_' is_ajax = self.is_ajax(environ) if is_ajax: head_insert_func = None urlrewriter.rewrite_opts['is_ajax'] = True else: top_url = self.get_top_url(full_prefix, wb_url, cdx, kwargs) head_insert_func = (self.head_insert_view. create_insert_func(wb_url, full_prefix, host_prefix, top_url, environ, framed_replay, config=self.config)) cookie_rewriter = None if self.cookie_tracker: cookie_rewriter = self.cookie_tracker.get_rewriter(urlrewriter, cookie_key) urlrewriter.rewrite_opts['ua_string'] = environ.get('HTTP_USER_AGENT') result = content_rw(record, urlrewriter, cookie_rewriter, head_insert_func, cdx) status_headers, gen, is_rw = result if setcookie_headers: status_headers.headers.extend(setcookie_headers) if ' ' not in status_headers.statusline: status_headers.statusline += ' None' if not is_ajax and self.enable_memento: self._add_memento_links(cdx['url'], full_prefix, memento_dt, cdx['timestamp'], status_headers, is_timegate, is_proxy, cdx.get('source-coll')) set_content_loc = True if set_content_loc and not self.redirect_to_exact: status_headers.headers.append(('Content-Location', urlrewriter.get_new_url(timestamp=cdx['timestamp'], url=cdx['url']))) if not is_proxy: self.add_csp_header(wb_url, status_headers) response = WbResponse(status_headers, gen) return response
def render_content(self, wb_url, kwargs, environ): wb_url = wb_url.replace('#', '%23') wb_url = WbUrl(wb_url) proto = environ.get('HTTP_X_FORWARDED_PROTO', self.force_scheme) if proto: environ['wsgi.url_scheme'] = proto history_page = environ.pop('HTTP_X_WOMBAT_HISTORY_PAGE', '') if history_page: wb_url.url = history_page is_ajax = True else: is_ajax = self.is_ajax(environ) is_timegate = self._check_accept_dt(wb_url, environ) host_prefix = self.get_host_prefix(environ) rel_prefix = self.get_rel_prefix(environ) full_prefix = host_prefix + rel_prefix environ['pywb.host_prefix'] = host_prefix pywb_static_prefix = host_prefix + environ.get( 'pywb.app_prefix', '') + environ.get('pywb.static_prefix', '/static/') is_proxy = ('wsgiprox.proxy_host' in environ) response = self.handle_custom_response(environ, wb_url, full_prefix, host_prefix, kwargs) if response: return self.format_response(response, wb_url, full_prefix, is_timegate, is_proxy) if is_proxy: environ['pywb_proxy_magic'] = environ['wsgiprox.proxy_host'] urlrewriter = IdentityUrlRewriter(wb_url, '') framed_replay = False else: urlrewriter = UrlRewriter(wb_url, prefix=full_prefix, full_prefix=full_prefix, rel_prefix=rel_prefix, pywb_static_prefix=pywb_static_prefix) framed_replay = self.framed_replay url_parts = urlsplit(wb_url.url) if not url_parts.path: return self.send_redirect('/', url_parts, urlrewriter) self.unrewrite_referrer(environ, full_prefix) urlkey = canonicalize(wb_url.url) if self.use_js_obj_proxy: content_rw = self.js_proxy_rw else: content_rw = self.default_rw inputreq = RewriteInputRequest(environ, urlkey, wb_url.url, content_rw) inputreq.include_method_query(wb_url.url) range_start, range_end, skip_record = self._check_range( inputreq, wb_url) setcookie_headers = None cookie_key = None if self.cookie_tracker: cookie_key = self.get_cookie_key(kwargs) if cookie_key: res = self.cookie_tracker.get_cookie_headers( wb_url.url, urlrewriter, cookie_key, environ.get('HTTP_COOKIE', '')) inputreq.extra_cookie, setcookie_headers = res r = self._do_req(inputreq, wb_url, kwargs, skip_record) if r.status_code >= 400: error = None try: error = r.raw.read() except Exception: pass finally: no_except_close(r.raw) if error: error = error.decode('utf-8') else: error = '' details = dict(args=kwargs, error=error) raise UpstreamException(r.status_code, url=wb_url.url, details=details) cdx = CDXObject(r.headers.get('Warcserver-Cdx').encode('utf-8')) cdx_url_parts = urlsplit(cdx['url']) if cdx_url_parts.path.endswith( '/') and not url_parts.path.endswith('/'): # add trailing slash new_path = url_parts.path + '/' no_except_close(r.raw) return self.send_redirect(new_path, url_parts, urlrewriter) stream = BufferedReader(r.raw, block_size=BUFF_SIZE) record = self.loader.parse_record_stream(stream, ensure_http_headers=True) memento_dt = r.headers.get('Memento-Datetime') target_uri = r.headers.get('WARC-Target-URI') # cdx['urlkey'] = urlkey # cdx['timestamp'] = http_date_to_timestamp(memento_dt) # cdx['url'] = target_uri set_content_loc = False # Check if Fuzzy Match if target_uri != wb_url.url and cdx.get('is_fuzzy') == '1': set_content_loc = True # if redir to exact, redir if url or ts are different if self.redirect_to_exact: if (set_content_loc or (wb_url.timestamp != cdx.get('timestamp') and not cdx.get('is_live'))): new_url = urlrewriter.get_new_url(url=target_uri, timestamp=cdx['timestamp'], mod=wb_url.mod) resp = WbResponse.redir_response(new_url, '307 Temporary Redirect') if self.enable_memento: if is_timegate and not is_proxy: self._add_memento_links(target_uri, full_prefix, memento_dt, cdx['timestamp'], resp.status_headers, is_timegate, is_proxy) else: resp.status_headers['Link'] = MementoUtils.make_link( target_uri, 'original') return resp self._add_custom_params(cdx, r.headers, kwargs, record) if self._add_range(record, wb_url, range_start, range_end): wb_url.mod = 'id_' if is_ajax: head_insert_func = None urlrewriter.rewrite_opts['is_ajax'] = True else: top_url = self.get_top_url(full_prefix, wb_url, cdx, kwargs) head_insert_func = (self.head_insert_view.create_insert_func( wb_url, full_prefix, host_prefix, top_url, environ, framed_replay, coll=kwargs.get('coll', ''), replay_mod=self.replay_mod, config=self.config)) cookie_rewriter = None if self.cookie_tracker and cookie_key: # skip add cookie if service worker is not 200 # it seems cookie headers from service workers are not applied, so don't update in cache if wb_url.mod == 'sw_': cookie_key = None cookie_rewriter = self.cookie_tracker.get_rewriter( urlrewriter, cookie_key) urlrewriter.rewrite_opts['ua_string'] = environ.get('HTTP_USER_AGENT') result = content_rw(record, urlrewriter, cookie_rewriter, head_insert_func, cdx, environ) status_headers, gen, is_rw = result if history_page: title = DefaultRewriter._extract_title(gen) if not title: title = unquote(environ.get('HTTP_X_WOMBAT_HISTORY_TITLE', '')) if not title: title = history_page self._add_history_page(cdx, kwargs, title) return WbResponse.json_response({'title': title}) if setcookie_headers: status_headers.headers.extend(setcookie_headers) if ' ' not in status_headers.statusline: status_headers.statusline += ' None' if not is_ajax and self.enable_memento: self._add_memento_links(cdx['url'], full_prefix, memento_dt, cdx['timestamp'], status_headers, is_timegate, is_proxy, cdx.get('source-coll')) set_content_loc = True if set_content_loc and not self.redirect_to_exact: status_headers.headers.append( ('Content-Location', urlrewriter.get_new_url(timestamp=cdx['timestamp'], url=cdx['url']))) if not is_proxy: self.add_csp_header(wb_url, status_headers) response = WbResponse(status_headers, gen) return response