mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-11-21 22:11:22 +03:00
826 lines
20 KiB
C
826 lines
20 KiB
C
/*
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* Copyright 2006,2007 Daniel Silverstone <dsilvers@digital-scurf.org>
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* Copyright 2007 James Bursa <bursa@users.sourceforge.net>
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* Copyright 2003 Phil Mellor <monkeyson@users.sourceforge.net>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* \file
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* Implementation of fetching of data from a URL.
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*
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* The implementation is the fetch factory and the generic operations
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* around the fetcher specific methods.
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*
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* Active fetches are held in the circular linked list ::fetch_ring. There may
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* be at most nsoption max_fetchers_per_host active requests per Host: header.
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* There may be at most nsoption max_fetchers active requests overall. Inactive
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* fetches are stored in the ::queue_ring waiting for use.
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*/
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#include <stdlib.h>
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#include <assert.h>
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#include <errno.h>
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#include <stdbool.h>
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#include <string.h>
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#include <strings.h>
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#include <time.h>
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#include <libwapcaplet/libwapcaplet.h>
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#include "utils/config.h"
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#include "utils/corestrings.h"
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#include "utils/nsoption.h"
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#include "utils/log.h"
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#include "utils/messages.h"
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#include "utils/nsurl.h"
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#include "utils/ring.h"
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#include "netsurf/misc.h"
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#include "desktop/gui_internal.h"
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#include "content/fetch.h"
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#include "content/fetchers.h"
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#include "content/fetchers/resource.h"
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#include "content/fetchers/about/about.h"
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#include "content/fetchers/curl.h"
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#include "content/fetchers/data.h"
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#include "content/fetchers/file/file.h"
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#include "javascript/fetcher.h"
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#include "content/urldb.h"
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/** The maximum number of fetchers that can be added */
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#define MAX_FETCHERS 10
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/** The time in ms between polling the fetchers.
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*
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* \todo The schedule timeout should be profiled to see if there is a
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* better value or even if it needs to be dynamic.
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*/
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#define SCHEDULE_TIME 10
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/** The fdset timeout in ms */
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#define FDSET_TIMEOUT 1000
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/**
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* Information about a fetcher for a given scheme.
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*/
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typedef struct scheme_fetcher_s {
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lwc_string *scheme; /**< The scheme. */
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struct fetcher_operation_table ops; /**< The fetchers operations. */
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int refcount; /**< When zero the fetcher is no longer in use. */
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} scheme_fetcher;
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static scheme_fetcher fetchers[MAX_FETCHERS];
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/** Information for a single fetch. */
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struct fetch {
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fetch_callback callback;/**< Callback function. */
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nsurl *url; /**< URL. */
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nsurl *referer; /**< Referer URL. */
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bool verifiable; /**< Transaction is verifiable */
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void *p; /**< Private data for callback. */
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lwc_string *host; /**< Host part of URL, interned */
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long http_code; /**< HTTP response code, or 0. */
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int fetcherd; /**< Fetcher descriptor for this fetch */
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void *fetcher_handle; /**< The handle for the fetcher. */
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bool fetch_is_active; /**< This fetch is active. */
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fetch_msg_type last_msg;/**< The last message sent for this fetch */
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struct fetch *r_prev; /**< Previous active fetch in ::fetch_ring. */
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struct fetch *r_next; /**< Next active fetch in ::fetch_ring. */
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};
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static struct fetch *fetch_ring = NULL; /**< Ring of active fetches. */
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static struct fetch *queue_ring = NULL; /**< Ring of queued fetches */
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/******************************************************************************
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* fetch internals *
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******************************************************************************/
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static inline void fetch_ref_fetcher(int fetcherd)
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{
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fetchers[fetcherd].refcount++;
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}
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static inline void fetch_unref_fetcher(int fetcherd)
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{
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fetchers[fetcherd].refcount--;
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if (fetchers[fetcherd].refcount == 0) {
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fetchers[fetcherd].ops.finalise(fetchers[fetcherd].scheme);
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lwc_string_unref(fetchers[fetcherd].scheme);
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}
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}
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/**
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* Find a suitable fetcher for a scheme.
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*/
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static int get_fetcher_for_scheme(lwc_string *scheme)
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{
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int fetcherd;
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bool match;
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for (fetcherd = 0; fetcherd < MAX_FETCHERS; fetcherd++) {
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if ((fetchers[fetcherd].refcount > 0) &&
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(lwc_string_isequal(fetchers[fetcherd].scheme,
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scheme, &match) == lwc_error_ok) &&
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(match == true)) {
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return fetcherd;
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}
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}
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return -1;
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}
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/**
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* Dispatch a single job
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*/
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static bool fetch_dispatch_job(struct fetch *fetch)
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{
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RING_REMOVE(queue_ring, fetch);
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NSLOG(fetch, DEBUG,
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"Attempting to start fetch %p, fetcher %p, url %s", fetch,
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fetch->fetcher_handle,
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nsurl_access(fetch->url));
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if (!fetchers[fetch->fetcherd].ops.start(fetch->fetcher_handle)) {
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RING_INSERT(queue_ring, fetch); /* Put it back on the end of the queue */
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return false;
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} else {
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RING_INSERT(fetch_ring, fetch);
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fetch->fetch_is_active = true;
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return true;
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}
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}
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/**
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* Choose and dispatch a single job. Return false if we failed to dispatch
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* anything.
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*
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* We don't check the overall dispatch size here because we're not called unless
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* there is room in the fetch queue for us.
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*/
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static bool fetch_choose_and_dispatch(void)
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{
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bool same_host;
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struct fetch *queueitem;
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queueitem = queue_ring;
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do {
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/* We can dispatch the selected item if there is room in the
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* fetch ring
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*/
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int countbyhost;
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RING_COUNTBYLWCHOST(struct fetch, fetch_ring, countbyhost,
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queueitem->host);
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if (countbyhost < nsoption_int(max_fetchers_per_host)) {
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/* We can dispatch this item in theory */
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return fetch_dispatch_job(queueitem);
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}
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/* skip over other items with the same host */
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same_host = true;
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while (same_host == true && queueitem->r_next != queue_ring) {
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if (lwc_string_isequal(queueitem->host,
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queueitem->r_next->host, &same_host) ==
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lwc_error_ok && same_host == true) {
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queueitem = queueitem->r_next;
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}
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}
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queueitem = queueitem->r_next;
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} while (queueitem != queue_ring);
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return false;
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}
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static void dump_rings(void)
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{
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struct fetch *q;
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struct fetch *f;
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q = queue_ring;
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if (q) {
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do {
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NSLOG(fetch, DEBUG, "queue_ring: %s",
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nsurl_access(q->url));
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q = q->r_next;
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} while (q != queue_ring);
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}
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f = fetch_ring;
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if (f) {
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do {
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NSLOG(fetch, DEBUG, "fetch_ring: %s",
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nsurl_access(f->url));
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f = f->r_next;
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} while (f != fetch_ring);
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}
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}
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/**
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* Dispatch as many jobs as we have room to dispatch.
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*
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* @return true if there are active fetchers that require polling else false.
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*/
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static bool fetch_dispatch_jobs(void)
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{
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int all_active;
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int all_queued;
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RING_GETSIZE(struct fetch, queue_ring, all_queued);
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RING_GETSIZE(struct fetch, fetch_ring, all_active);
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NSLOG(fetch, DEBUG,
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"queue_ring %i, fetch_ring %i",
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all_queued,
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all_active);
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dump_rings();
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while ((all_queued != 0) &&
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(all_active < nsoption_int(max_fetchers)) &&
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fetch_choose_and_dispatch()) {
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all_queued--;
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all_active++;
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NSLOG(fetch, DEBUG,
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"%d queued, %d fetching",
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all_queued,
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all_active);
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}
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NSLOG(fetch, DEBUG, "Fetch ring is now %d elements.", all_active);
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NSLOG(fetch, DEBUG, "Queue ring is now %d elements.", all_queued);
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return (all_active > 0);
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}
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static void fetcher_poll(void *unused)
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{
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int fetcherd;
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if (fetch_dispatch_jobs()) {
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NSLOG(fetch, DEBUG, "Polling fetchers");
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for (fetcherd = 0; fetcherd < MAX_FETCHERS; fetcherd++) {
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if (fetchers[fetcherd].refcount > 0) {
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/* fetcher present */
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fetchers[fetcherd].ops.poll(fetchers[fetcherd].scheme);
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}
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}
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/* schedule active fetchers to run again in 10ms */
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guit->misc->schedule(SCHEDULE_TIME, fetcher_poll, NULL);
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}
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}
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/******************************************************************************
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* Public API *
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******************************************************************************/
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/* exported interface documented in content/fetch.h */
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nserror fetcher_init(void)
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{
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nserror ret;
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#ifdef WITH_CURL
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ret = fetch_curl_register();
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if (ret != NSERROR_OK) {
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return ret;
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}
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#endif
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ret = fetch_data_register();
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if (ret != NSERROR_OK) {
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return ret;
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}
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ret = fetch_file_register();
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if (ret != NSERROR_OK) {
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return ret;
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}
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ret = fetch_resource_register();
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if (ret != NSERROR_OK) {
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return ret;
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}
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ret = fetch_about_register();
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if (ret != NSERROR_OK) {
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return ret;
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}
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ret = fetch_javascript_register();
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return ret;
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}
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/* exported interface documented in content/fetchers.h */
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void fetcher_quit(void)
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{
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int fetcherd; /* fetcher index */
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for (fetcherd = 0; fetcherd < MAX_FETCHERS; fetcherd++) {
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if (fetchers[fetcherd].refcount > 1) {
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/* fetcher still has reference at quit. This
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* should not happen as the fetch should have
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* been aborted in llcache shutdown.
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*
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* This appears to be normal behaviour if a
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* curl operation is still in progress at exit
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* as the abort waits for curl to complete.
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*
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* We could make the user wait for curl to
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* complete but we are exiting anyway so thats
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* unhelpful. Instead we just log it and force
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* the reference count to allow the fetcher to
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* be stopped.
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*/
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NSLOG(fetch, INFO,
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"Fetcher for scheme %s still has %d active users at quit.",
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lwc_string_data(fetchers[fetcherd].scheme),
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fetchers[fetcherd].refcount);
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fetchers[fetcherd].refcount = 1;
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}
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if (fetchers[fetcherd].refcount == 1) {
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fetch_unref_fetcher(fetcherd);
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}
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}
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}
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/* exported interface documented in content/fetchers.h */
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nserror
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fetcher_add(lwc_string *scheme, const struct fetcher_operation_table *ops)
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{
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int fetcherd;
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/* find unused fetcher descriptor */
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for (fetcherd = 0; fetcherd < MAX_FETCHERS; fetcherd++) {
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if (fetchers[fetcherd].refcount == 0) {
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break;
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}
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}
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if (fetcherd == MAX_FETCHERS) {
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return NSERROR_INIT_FAILED;
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}
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if (!ops->initialise(scheme)) {
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return NSERROR_INIT_FAILED;
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}
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fetchers[fetcherd].scheme = scheme;
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fetchers[fetcherd].ops = *ops;
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fetch_ref_fetcher(fetcherd);
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return NSERROR_OK;
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}
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/* exported interface documented in content/fetch.h */
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nserror
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fetch_fdset(fd_set *read_fd_set,
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fd_set *write_fd_set,
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fd_set *except_fd_set,
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int *maxfd_out)
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{
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int maxfd = -1;
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int fetcherd; /* fetcher index */
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if (!fetch_dispatch_jobs()) {
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NSLOG(fetch, DEBUG, "No jobs");
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*maxfd_out = -1;
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return NSERROR_OK;
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}
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NSLOG(fetch, DEBUG, "Polling fetchers");
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for (fetcherd = 0; fetcherd < MAX_FETCHERS; fetcherd++) {
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if (fetchers[fetcherd].refcount > 0) {
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/* fetcher present */
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fetchers[fetcherd].ops.poll(fetchers[fetcherd].scheme);
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}
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}
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FD_ZERO(read_fd_set);
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FD_ZERO(write_fd_set);
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FD_ZERO(except_fd_set);
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for (fetcherd = 0; fetcherd < MAX_FETCHERS; fetcherd++) {
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if ((fetchers[fetcherd].refcount > 0) &&
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(fetchers[fetcherd].ops.fdset != NULL)) {
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/* fetcher present */
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int fetcher_maxfd;
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fetcher_maxfd = fetchers[fetcherd].ops.fdset(
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fetchers[fetcherd].scheme, read_fd_set,
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write_fd_set, except_fd_set);
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if (fetcher_maxfd > maxfd)
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maxfd = fetcher_maxfd;
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}
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}
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if (maxfd >= 0) {
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/* change the scheduled poll to happen is a 1000ms as
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* we assume fetching an fdset means the fetchers will
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* be run by the client waking up on data available on
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* the fd and re-calling fetcher_fdset() if this does
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* not happen the fetch polling will continue as
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* usual.
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*/
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/** @note adjusting the schedule time is only done for
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* curl currently. This is because as it is assumed to
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* be the only fetcher that can possibly have fd to
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* select on. All the other fetchers continue to need
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* polling frequently.
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*/
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guit->misc->schedule(FDSET_TIMEOUT, fetcher_poll, NULL);
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}
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*maxfd_out = maxfd;
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return NSERROR_OK;
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}
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/* exported interface documented in content/fetch.h */
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nserror
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fetch_start(nsurl *url,
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nsurl *referer,
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fetch_callback callback,
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void *p,
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bool only_2xx,
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const char *post_urlenc,
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const struct fetch_multipart_data *post_multipart,
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bool verifiable,
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bool downgrade_tls,
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const char *headers[],
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struct fetch **fetch_out)
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{
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struct fetch *fetch;
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lwc_string *scheme;
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fetch = calloc(1, sizeof (*fetch));
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if (fetch == NULL) {
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return NSERROR_NOMEM;
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}
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/* The URL we're fetching must have a scheme */
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scheme = nsurl_get_component(url, NSURL_SCHEME);
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assert(scheme != NULL);
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/* try and obtain a fetcher for this scheme */
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fetch->fetcherd = get_fetcher_for_scheme(scheme);
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lwc_string_unref(scheme);
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if (fetch->fetcherd == -1) {
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free(fetch);
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return NSERROR_NO_FETCH_HANDLER;
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}
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NSLOG(fetch, DEBUG, "fetch %p, url '%s'", fetch, nsurl_access(url));
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/* construct a new fetch structure */
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fetch->callback = callback;
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fetch->url = nsurl_ref(url);
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fetch->verifiable = verifiable;
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fetch->p = p;
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fetch->host = nsurl_get_component(url, NSURL_HOST);
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if (referer != NULL) {
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fetch->referer = nsurl_ref(referer);
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}
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/* try and set up the fetch */
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fetch->fetcher_handle = fetchers[fetch->fetcherd].ops.setup(fetch, url,
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only_2xx, downgrade_tls,
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post_urlenc, post_multipart,
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headers);
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if (fetch->fetcher_handle == NULL) {
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if (fetch->host != NULL)
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lwc_string_unref(fetch->host);
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if (fetch->url != NULL)
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nsurl_unref(fetch->url);
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if (fetch->referer != NULL)
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nsurl_unref(fetch->referer);
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free(fetch);
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|
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/** \todo The fetchers setup should return nserror and that be
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* passed back rather than assuming a bad url
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*/
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return NSERROR_BAD_URL;
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}
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|
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/* Rah, got it, so ref the fetcher. */
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fetch_ref_fetcher(fetch->fetcherd);
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/* Dump new fetch in the queue. */
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RING_INSERT(queue_ring, fetch);
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/* Ask the queue to run. */
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if (fetch_dispatch_jobs()) {
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NSLOG(fetch, DEBUG, "scheduling poll");
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/* schedule active fetchers to run again in 10ms */
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guit->misc->schedule(10, fetcher_poll, NULL);
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}
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*fetch_out = fetch;
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return NSERROR_OK;
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}
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|
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/* exported interface documented in content/fetch.h */
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void fetch_abort(struct fetch *f)
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{
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assert(f);
|
|
f->last_msg = FETCH__INTERNAL_ABORTED;
|
|
NSLOG(fetch, DEBUG,
|
|
"fetch %p, fetcher %p, url '%s'", f, f->fetcher_handle,
|
|
nsurl_access(f->url));
|
|
fetchers[f->fetcherd].ops.abort(f->fetcher_handle);
|
|
}
|
|
|
|
/* exported interface documented in content/fetch.h */
|
|
void fetch_free(struct fetch *f)
|
|
{
|
|
if (f->last_msg < FETCH_MIN_FINISHED_MSG) {
|
|
/* We didn't finish, so tell our user that an error occurred */
|
|
fetch_msg msg;
|
|
|
|
msg.type = FETCH_ERROR;
|
|
msg.data.error = "FetchFailedToFinish";
|
|
|
|
NSLOG(fetch, CRITICAL,
|
|
"During the fetch of %s, the fetcher did not finish.",
|
|
nsurl_access(f->url));
|
|
|
|
fetch_send_callback(&msg, f);
|
|
}
|
|
|
|
NSLOG(fetch, DEBUG,
|
|
"Freeing fetch %p, fetcher %p",
|
|
f,
|
|
f->fetcher_handle);
|
|
|
|
fetchers[f->fetcherd].ops.free(f->fetcher_handle);
|
|
|
|
fetch_unref_fetcher(f->fetcherd);
|
|
|
|
nsurl_unref(f->url);
|
|
if (f->referer != NULL) {
|
|
nsurl_unref(f->referer);
|
|
}
|
|
if (f->host != NULL) {
|
|
lwc_string_unref(f->host);
|
|
}
|
|
free(f);
|
|
}
|
|
|
|
|
|
|
|
/* exported interface documented in content/fetch.h */
|
|
bool fetch_can_fetch(const nsurl *url)
|
|
{
|
|
lwc_string *scheme = nsurl_get_component(url, NSURL_SCHEME);
|
|
int fetcherd;
|
|
|
|
fetcherd = get_fetcher_for_scheme(scheme);
|
|
lwc_string_unref(scheme);
|
|
|
|
if (fetcherd == -1) {
|
|
return false;
|
|
}
|
|
|
|
return fetchers[fetcherd].ops.acceptable(url);
|
|
}
|
|
|
|
/* exported interface documented in content/fetch.h */
|
|
void fetch_change_callback(struct fetch *fetch,
|
|
fetch_callback callback,
|
|
void *p)
|
|
{
|
|
assert(fetch);
|
|
fetch->callback = callback;
|
|
fetch->p = p;
|
|
}
|
|
|
|
/* exported interface documented in content/fetch.h */
|
|
long fetch_http_code(struct fetch *fetch)
|
|
{
|
|
return fetch->http_code;
|
|
}
|
|
|
|
|
|
/* exported interface documented in content/fetch.h */
|
|
struct fetch_multipart_data *
|
|
fetch_multipart_data_clone(const struct fetch_multipart_data *list)
|
|
{
|
|
struct fetch_multipart_data *clone, *last = NULL;
|
|
struct fetch_multipart_data *result = NULL;
|
|
|
|
for (; list != NULL; list = list->next) {
|
|
clone = malloc(sizeof(struct fetch_multipart_data));
|
|
if (clone == NULL) {
|
|
if (result != NULL)
|
|
fetch_multipart_data_destroy(result);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
clone->file = list->file;
|
|
|
|
clone->name = strdup(list->name);
|
|
if (clone->name == NULL) {
|
|
free(clone);
|
|
if (result != NULL)
|
|
fetch_multipart_data_destroy(result);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
clone->value = strdup(list->value);
|
|
if (clone->value == NULL) {
|
|
free(clone->name);
|
|
free(clone);
|
|
if (result != NULL)
|
|
fetch_multipart_data_destroy(result);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
if (clone->file) {
|
|
clone->rawfile = strdup(list->rawfile);
|
|
if (clone->rawfile == NULL) {
|
|
free(clone->value);
|
|
free(clone->name);
|
|
free(clone);
|
|
if (result != NULL)
|
|
fetch_multipart_data_destroy(result);
|
|
|
|
return NULL;
|
|
}
|
|
} else {
|
|
clone->rawfile = NULL;
|
|
}
|
|
|
|
clone->next = NULL;
|
|
|
|
if (result == NULL)
|
|
result = clone;
|
|
else
|
|
last->next = clone;
|
|
|
|
last = clone;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
|
|
/* exported interface documented in content/fetch.h */
|
|
const char *
|
|
fetch_multipart_data_find(const struct fetch_multipart_data *list,
|
|
const char *name)
|
|
{
|
|
while (list != NULL) {
|
|
if (strcmp(list->name, name) == 0) {
|
|
return list->value;
|
|
}
|
|
list = list->next;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/* exported interface documented in content/fetch.h */
|
|
void fetch_multipart_data_destroy(struct fetch_multipart_data *list)
|
|
{
|
|
struct fetch_multipart_data *next;
|
|
|
|
for (; list != NULL; list = next) {
|
|
next = list->next;
|
|
free(list->name);
|
|
free(list->value);
|
|
if (list->file) {
|
|
NSLOG(fetch, DEBUG,
|
|
"Freeing rawfile: %s", list->rawfile);
|
|
free(list->rawfile);
|
|
}
|
|
free(list);
|
|
}
|
|
}
|
|
|
|
|
|
/* exported interface documented in content/fetch.h */
|
|
nserror
|
|
fetch_multipart_data_new_kv(struct fetch_multipart_data **list,
|
|
const char *name,
|
|
const char *value)
|
|
{
|
|
struct fetch_multipart_data *newdata;
|
|
|
|
assert(list);
|
|
|
|
newdata = calloc(1, sizeof(*newdata));
|
|
|
|
if (newdata == NULL) {
|
|
return NSERROR_NOMEM;
|
|
}
|
|
|
|
newdata->name = strdup(name);
|
|
if (newdata->name == NULL) {
|
|
free(newdata);
|
|
return NSERROR_NOMEM;
|
|
}
|
|
|
|
newdata->value = strdup(value);
|
|
if (newdata->value == NULL) {
|
|
free(newdata->name);
|
|
free(newdata);
|
|
return NSERROR_NOMEM;
|
|
}
|
|
|
|
newdata->next = *list;
|
|
*list = newdata;
|
|
|
|
return NSERROR_OK;
|
|
}
|
|
|
|
|
|
/* exported interface documented in content/fetch.h */
|
|
void
|
|
fetch_send_callback(const fetch_msg *msg, struct fetch *fetch)
|
|
{
|
|
/* Bump the last_msg to the greatest seen msg */
|
|
if (msg->type > fetch->last_msg)
|
|
fetch->last_msg = msg->type;
|
|
fetch->callback(msg, fetch->p);
|
|
}
|
|
|
|
|
|
/* exported interface documented in content/fetch.h */
|
|
void fetch_remove_from_queues(struct fetch *fetch)
|
|
{
|
|
int all_active;
|
|
int all_queued;
|
|
|
|
NSLOG(fetch, DEBUG,
|
|
"Fetch %p, fetcher %p can be freed",
|
|
fetch,
|
|
fetch->fetcher_handle);
|
|
|
|
/* Go ahead and free the fetch properly now */
|
|
if (fetch->fetch_is_active) {
|
|
RING_REMOVE(fetch_ring, fetch);
|
|
} else {
|
|
RING_REMOVE(queue_ring, fetch);
|
|
}
|
|
|
|
|
|
RING_GETSIZE(struct fetch, fetch_ring, all_active);
|
|
RING_GETSIZE(struct fetch, queue_ring, all_queued);
|
|
|
|
NSLOG(fetch, DEBUG, "Fetch ring is now %d elements.", all_active);
|
|
NSLOG(fetch, DEBUG, "Queue ring is now %d elements.", all_queued);
|
|
}
|
|
|
|
|
|
/* exported interface documented in content/fetch.h */
|
|
void fetch_set_http_code(struct fetch *fetch, long http_code)
|
|
{
|
|
NSLOG(fetch, DEBUG, "Setting HTTP code to %ld", http_code);
|
|
|
|
fetch->http_code = http_code;
|
|
}
|
|
|
|
|
|
/* exported interface documented in content/fetch.h */
|
|
void fetch_set_cookie(struct fetch *fetch, const char *data)
|
|
{
|
|
assert(fetch && data);
|
|
|
|
/* If the fetch is unverifiable err on the side of caution and
|
|
* do not set the cookie */
|
|
|
|
if (fetch->verifiable) {
|
|
/* If the transaction's verifiable, we don't require
|
|
* that the request uri and the parent domain match,
|
|
* so don't pass in any referer/parent in this case. */
|
|
urldb_set_cookie(data, fetch->url, NULL);
|
|
} else if (fetch->referer != NULL) {
|
|
/* Permit the cookie to be set if the fetch is unverifiable
|
|
* and the fetch URI domain matches the referer. */
|
|
/** \todo Long-term, this needs to be replaced with a
|
|
* comparison against the origin fetch URI. In the case
|
|
* where a nested object requests a fetch, the origin URI
|
|
* is the nested object's parent URI, whereas the referer
|
|
* for the fetch will be the nested object's URI. */
|
|
urldb_set_cookie(data, fetch->url, fetch->referer);
|
|
}
|
|
}
|