netsurf/riscos/url_protocol.c

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/*
* Copyright 2003 John M Bell <jmb202@ecs.soton.ac.uk>
* Copyright 2003 Rob Jackson <jacko@xms.ms>
* Copyright 2004 James Bursa <bursa@users.sourceforge.net>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* NetSurf is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/** \file
* ANT URL launching protocol (implementation).
*
* See http://www.vigay.com/inet/inet_url.html
*/
#include "utils/config.h"
#include <ctype.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <oslib/inetsuite.h>
#include <oslib/wimp.h>
#include "utils/log.h"
#include "utils/messages.h"
#include "utils/nsurl.h"
#include "utils/utils.h"
#include "utils/config.h"
#include "content/fetch.h"
#include "desktop/browser.h"
#include "riscos/gui.h"
#include "riscos/uri.h"
#include "riscos/url_protocol.h"
/**
* Handle a Message_InetSuiteOpenURL.
*/
void ro_url_message_received(wimp_message *message)
{
char *url;
int i;
inetsuite_message_open_url *url_message =
(inetsuite_message_open_url*) &message->data;
os_error *error;
nsurl *nsurl;
nserror errorns;
/* If the url_message->indirect.tag is non-zero,
* then the message data is contained within the message block.
*/
if (url_message->indirect.tag != 0) {
url = strndup(url_message->url, 236);
if (!url) {
ro_warn_user("NoMemory", 0);
return;
}
/* terminate at first control character */
for (i = 0; !iscntrl(url[i]); i++)
;
url[i] = 0;
} else {
if (!url_message->indirect.url.offset) {
LOG("no URL in message");
return;
}
if (28 < message->size &&
url_message->indirect.body_file.offset) {
LOG("POST for URL message not implemented");
return;
}
if (url_message->indirect.url.offset < 28 ||
236 <= url_message->indirect.url.offset) {
LOG("external pointers in URL message unimplemented");
/* these messages have never been seen in the wild,
* and there is the problem of invalid addresses which
* would cause an abort */
return;
}
url = strndup((char *) url_message +
url_message->indirect.url.offset,
236 - url_message->indirect.url.offset);
if (!url) {
ro_warn_user("NoMemory", 0);
return;
}
for (i = 0; !iscntrl(url[i]); i++)
;
url[i] = 0;
}
if (nsurl_create(url, &nsurl) != NSERROR_OK) {
free(url);
return;
}
if (!fetch_can_fetch(nsurl)) {
nsurl_unref(nsurl);
free(url);
return;
}
free(url);
/* send ack */
message->your_ref = message->my_ref;
error = xwimp_send_message(wimp_USER_MESSAGE_ACKNOWLEDGE, message,
message->sender);
if (error) {
LOG("xwimp_send_message: 0x%x: %s", error->errnum, error->errmess);
ro_warn_user("WimpError", error->errmess);
}
/* create new browser window */
errorns = browser_window_create(BW_CREATE_HISTORY,
nsurl,
NULL,
NULL,
NULL);
nsurl_unref(nsurl);
if (errorns != NSERROR_OK) {
ro_warn_user(messages_get_errorcode(errorns), 0);
}
}
/**
* Broadcast an ANT URL message.
*/
void ro_url_broadcast(const char *url)
{
inetsuite_full_message_open_url_direct message;
os_error *error;
int len = strlen(url) + 1;
/* If URL is too long, then forget ANT and try URI, instead */
if (236 < len) {
ro_uri_launch(url);
return;
}
message.size = ((20+len+3) & ~3);
message.your_ref = 0;
message.action = message_INET_SUITE_OPEN_URL;
strncpy(message.url, url, 235);
message.url[235] = 0;
error = xwimp_send_message(wimp_USER_MESSAGE_RECORDED,
(wimp_message *) &message, 0);
if (error) {
LOG("xwimp_send_message: 0x%x: %s", error->errnum, error->errmess);
ro_warn_user("WimpError", error->errmess);
}
}
/**
* Launch a program to handle an URL, using the ANT protocol
* Alias$URLOpen_ system.
*/
void ro_url_load(const char *url)
{
char *command;
char *colon;
os_error *error;
colon = strchr(url, ':');
if (!colon) {
LOG("invalid url '%s'", url);
return;
}
command = malloc(40 + (colon - url) + strlen(url));
if (!command) {
ro_warn_user("NoMemory", 0);
return;
}
sprintf(command, "Alias$URLOpen_%.*s", (int) (colon - url), url);
if (!getenv(command)) {
free(command);
return;
}
sprintf(command, "URLOpen_%.*s %s", (int) (colon - url), url, url);
error = xwimp_start_task(command, 0);
if (error) {
LOG("xwimp_start_task: 0x%x: %s", error->errnum, error->errmess);
ro_warn_user("WimpError", error->errmess);
}
free(command);
}
/**
* Handle a bounced Message_InetSuiteOpenURL.
*/
void ro_url_bounce(wimp_message *message)
{
inetsuite_message_open_url *url_message =
(inetsuite_message_open_url*) &message->data;
/* ant broadcast bounced -> try uri broadcast / load */
ro_uri_launch(url_message->url);
}