netsurf/riscos/url_protocol.c

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/*
* This file is part of NetSurf, http://netsurf-browser.org/
* Licensed under the GNU General Public License,
* http://www.opensource.org/licenses/gpl-license
* 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>
*/
/** \file
* ANT URL launching protocol (implementation).
*
* See http://www.vigay.com/inet/inet_url.html
*/
#define _GNU_SOURCE /* for strndup */
#include <ctype.h>
#include <stdio.h>
#include <string.h>
#include "oslib/inetsuite.h"
#include "oslib/wimp.h"
#include "utils/config.h"
#include "content/fetch.h"
#include "desktop/browser.h"
#include "desktop/gui.h"
#include "riscos/gui.h"
#include "riscos/uri.h"
#include "riscos/url_protocol.h"
#include "utils/log.h"
#include "utils/utils.h"
#ifdef WITH_URL
/**
* 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;
/* 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) {
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) {
warn_user("NoMemory", 0);
return;
}
for (i = 0; !iscntrl(url[i]); i++)
;
url[i] = 0;
}
if (!fetch_can_fetch(url)) {
free(url);
return;
}
/* 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));
warn_user("WimpError", error->errmess);
}
/* create new browser window */
browser_window_create(url, 0, 0, true);
free(url);
}
/**
* 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 (236 < len)
len = 236;
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));
warn_user("WimpError", error->errmess);
}
}
/**
* Launch a program to handle an URL, using the ANT protocol
* Alias$URLOpen_ system.
*/
void ro_url_load(const char *url)
{
char *command;
char *colon;
os_error *error;
colon = strchr(url, ':');
if (!colon) {
LOG(("invalid url '%s'", url));
return;
}
command = malloc(40 + (colon - url) + strlen(url));
if (!command) {
warn_user("NoMemory", 0);
return;
}
sprintf(command, "Alias$URLOpen_%.*s", colon - url, url);
if (!getenv(command)) {
free(command);
return;
}
sprintf(command, "URLOpen_%.*s %s", colon - url, url, url);
error = xwimp_start_task(command, 0);
if (error) {
LOG(("xwimp_start_task: 0x%x: %s",
error->errnum, error->errmess));
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);
}
#endif