netsurf/frontends/amiga/arexx.c
Chris Young 78199c0177 Amiga: Allow running JS from ARexx
Option arexx_allow_exec enables the EXEC command.
It is disabled by default and currently undocumented.
Theoretically this could be used by a form filler application.
2019-08-10 14:22:52 +01:00

721 lines
16 KiB
C

/*
* Copyright 2008-2010, 2016 Chris Young <chris@unsatisfactorysoftware.co.uk>
*
* 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/>.
*/
#include "amiga/os3support.h"
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <proto/intuition.h>
#include <proto/dos.h>
#include <proto/exec.h>
#include <proto/clicktab.h>
#include <gadgets/clicktab.h>
#include <reaction/reaction_macros.h>
#include "utils/log.h"
#include "utils/nsoption.h"
#include "utils/nsurl.h"
#include "netsurf/content.h"
#include "netsurf/browser_window.h"
#include "desktop/version.h"
#include "amiga/arexx.h"
#include "amiga/gui.h"
#include "amiga/download.h"
#include "amiga/hotlist.h"
#include "amiga/libs.h"
#include "amiga/misc.h"
#include "amiga/theme.h"
#ifndef __amigaos4__
#include "amiga/memory.h"
#endif
extern const char * const verarexx;
extern const char * const wt_revid;
enum
{
RX_OPEN=0,
RX_QUIT,
RX_TOFRONT,
RX_GETURL,
RX_GETTITLE,
RX_VERSION,
RX_SAVE,
RX_PUBSCREEN,
RX_BACK,
RX_FORWARD,
RX_HOME,
RX_RELOAD,
RX_WINDOWS,
RX_ACTIVE,
RX_CLOSE,
RX_HOTLIST,
RX_SLABSTATS,
RX_EXEC
};
static Object *arexx_obj = NULL;
STATIC char result[100];
#ifdef __amigaos4__
#define RXHOOKF(func) static VOID func(struct ARexxCmd *cmd, struct RexxMsg *rxm __attribute__((unused)))
#else
#define RXHOOKF(func) static ASM VOID func(REG(a0, struct ARexxCmd* cmd), REG(a1, struct RexxMsg* msg))
#endif
RXHOOKF(rx_open);
RXHOOKF(rx_quit);
RXHOOKF(rx_tofront);
RXHOOKF(rx_geturl);
RXHOOKF(rx_gettitle);
RXHOOKF(rx_version);
RXHOOKF(rx_save);
RXHOOKF(rx_pubscreen);
RXHOOKF(rx_back);
RXHOOKF(rx_forward);
RXHOOKF(rx_home);
RXHOOKF(rx_reload);
RXHOOKF(rx_windows);
RXHOOKF(rx_active);
RXHOOKF(rx_close);
RXHOOKF(rx_hotlist);
RXHOOKF(rx_slabstats);
RXHOOKF(rx_exec);
STATIC struct ARexxCmd Commands[] =
{
{"OPEN",RX_OPEN,rx_open,"URL/A,NEW=NEWWINDOW/S,NEWTAB/S,SAVEAS/K,W=WINDOW/K/N,T=TAB/K/N,ACTIVE/S", 0, NULL, 0, 0, NULL },
{"QUIT",RX_QUIT,rx_quit,NULL, 0, NULL, 0, 0, NULL },
{"TOFRONT",RX_TOFRONT,rx_tofront,NULL, 0, NULL, 0, 0, NULL },
{"GETURL",RX_GETURL,rx_geturl, "W=WINDOW/K/N,T=TAB/K/N", 0, NULL, 0, 0, NULL },
{"GETTITLE",RX_GETTITLE,rx_gettitle, "W=WINDOW/K/N,T=TAB/K/N", 0, NULL, 0, 0, NULL },
{"VERSION",RX_VERSION,rx_version,"VERSION/N,SVN=REVISION/N,RELEASE/S", 0, NULL, 0, 0, NULL },
{"SAVE",RX_SAVE,rx_save,"FILENAME/A,W=WINDOW/K/N,T=TAB/K/N", 0, NULL, 0, 0, NULL },
{"GETSCREENNAME",RX_PUBSCREEN,rx_pubscreen,NULL, 0, NULL, 0, 0, NULL },
{"BACK", RX_BACK, rx_back, "W=WINDOW/K/N,T=TAB/K/N", 0, NULL, 0, 0, NULL },
{"FORWARD", RX_FORWARD, rx_forward, "W=WINDOW/K/N,T=TAB/K/N", 0, NULL, 0, 0, NULL },
{"HOME", RX_HOME, rx_home, "W=WINDOW/K/N,T=TAB/K/N", 0, NULL, 0, 0, NULL },
{"RELOAD", RX_RELOAD, rx_reload, "FORCE/S,W=WINDOW/K/N,T=TAB/K/N", 0, NULL, 0, 0, NULL },
{"WINDOWS", RX_WINDOWS, rx_windows, "W=WINDOW/K/N", 0, NULL, 0, 0, NULL },
{"ACTIVE", RX_ACTIVE, rx_active, "T=TAB/S", 0, NULL, 0, 0, NULL },
{"CLOSE", RX_CLOSE, rx_close, "W=WINDOW/K/N,T=TAB/K/N", 0, NULL, 0, 0, NULL },
{"HOTLIST", RX_HOTLIST, rx_hotlist, "A=ACTION/A", 0, NULL, 0, 0, NULL },
{"SLABSTATS", RX_SLABSTATS, rx_slabstats, "FILE", 0, NULL, 0, 0, NULL },
{"EXEC", RX_EXEC, rx_exec, "W=WINDOW/K/N,T=TAB/K/N,COMMAND/A/F", 0, NULL, 0, 0, NULL },
{ NULL, 0, NULL, NULL, 0, NULL, 0, 0, NULL }
};
bool ami_arexx_init(ULONG *rxsig)
{
if((arexx_obj = ARexxObj,
AREXX_HostName,"NETSURF",
AREXX_Commands,Commands,
AREXX_NoSlot,TRUE,
AREXX_ReplyHook,NULL,
AREXX_DefExtension,"nsrx",
End))
{
GetAttr(AREXX_SigMask, arexx_obj, rxsig);
return true;
}
else
{
/* Create a temporary ARexx port so we can send commands to the NetSurf which
* is already running */
arexx_obj = ARexxObj,
AREXX_HostName,"NETSURF",
AREXX_Commands,Commands,
AREXX_NoSlot,FALSE,
AREXX_ReplyHook,NULL,
AREXX_DefExtension,"nsrx",
End;
return false;
}
}
void ami_arexx_handle(void)
{
RA_HandleRexx(arexx_obj);
}
static void ami_arexx_command(const char *cmd, const char *port)
{
if(arexx_obj == NULL) return;
IDoMethod(arexx_obj, AM_EXECUTE, cmd, port, NULL, NULL, NULL, NULL);
}
void ami_arexx_self(const char *cmd)
{
ami_arexx_command(cmd, "NETSURF");
}
void ami_arexx_execute(char *script)
{
char full_script_path[1025];
BPTR lock;
if((lock = Lock(script, ACCESS_READ))) {
DevNameFromLock(lock, full_script_path, 1024, DN_FULLPATH);
NSLOG(netsurf, INFO, "Executing script: %s", full_script_path);
ami_arexx_command(full_script_path, NULL);
UnLock(lock);
}
}
void ami_arexx_cleanup(void)
{
if(arexx_obj) DisposeObject(arexx_obj);
}
static struct gui_window *ami_find_tab_gwin(struct gui_window_2 *gwin, int tab)
{
int tabs = 0;
struct Node *ctab;
struct Node *ntab;
struct gui_window *gw;
if((tab == 0) || (ami_gui2_get_tabs(gwin) == 0)) return ami_gui2_get_gui_window(gwin);
ctab = GetHead(ami_gui2_get_tab_list(gwin));
do
{
tabs++;
ntab=GetSucc(ctab);
GetClickTabNodeAttrs(ctab,
TNA_UserData, &gw,
TAG_DONE);
if(tabs == tab) return gw;
} while((ctab=ntab));
return NULL;
}
static int ami_find_tab_bw(struct gui_window_2 *gwin, struct browser_window *bw)
{
int tabs = 0;
struct Node *ctab;
struct Node *ntab;
struct gui_window *tgw = NULL;
if((bw == NULL) || (ami_gui2_get_tabs(gwin) == 0)) return 1;
ctab = GetHead(ami_gui2_get_tab_list(gwin));
do
{
tabs++;
ntab=GetSucc(ctab);
GetClickTabNodeAttrs(ctab,
TNA_UserData, &tgw,
TAG_DONE);
if(ami_gui_get_browser_window(tgw) == bw) return tabs;
} while((ctab=ntab));
return 0;
}
static struct gui_window *ami_find_tab(int window, int tab)
{
struct nsObject *node, *nnode;
struct MinList *window_list = ami_gui_get_window_list();
if(!IsMinListEmpty(window_list))
{
int windows = 0;
node = (struct nsObject *)GetHead((struct List *)window_list);
do
{
nnode=(struct nsObject *)GetSucc((struct Node *)node);
if(node->Type == AMINS_WINDOW)
{
windows++;
if(windows == window)
return ami_find_tab_gwin(node->objstruct, tab);
}
} while((node = nnode));
}
return NULL;
}
RXHOOKF(rx_open)
{
struct dlnode *dln;
struct gui_window *gw = ami_gui_get_active_gw();
nsurl *url;
cmd->ac_RC = 0;
if((cmd->ac_ArgList[4]) && (cmd->ac_ArgList[5]))
gw = ami_find_tab(*(ULONG *)cmd->ac_ArgList[4], *(ULONG *)cmd->ac_ArgList[5]);
if (nsurl_create((char *)cmd->ac_ArgList[0], &url) != NSERROR_OK) {
amiga_warn_user("NoMemory", 0);
return;
}
if(cmd->ac_ArgList[3])
{
if(!gw) return;
dln = calloc(1, sizeof(struct dlnode));
dln->filename = strdup((char *)cmd->ac_ArgList[3]);
dln->node.ln_Name = strdup((char *)cmd->ac_ArgList[0]);
dln->node.ln_Type = NT_USER;
AddTail(ami_gui_get_download_list(gw), (struct Node *)dln);
browser_window_navigate(ami_gui_get_browser_window(gw),
url,
NULL,
BW_NAVIGATE_DOWNLOAD,
NULL,
NULL,
NULL);
}
else if(cmd->ac_ArgList[2])
{
if(gw == NULL) {
browser_window_create(BW_CREATE_HISTORY,
url,
NULL,
NULL,
NULL);
} else {
browser_window_create(BW_CREATE_HISTORY |
BW_CREATE_TAB,
url,
NULL,
ami_gui_get_browser_window(gw),
NULL);
if(cmd->ac_ArgList[6]) {
ami_gui_switch_to_new_tab(ami_gui_get_gui_window_2(gw));
}
}
}
else if(cmd->ac_ArgList[1])
{
browser_window_create(BW_CREATE_HISTORY,
url,
NULL,
NULL,
NULL);
}
else
{
if(gw)
{
browser_window_navigate(ami_gui_get_browser_window(gw),
url,
NULL,
BW_NAVIGATE_HISTORY,
NULL,
NULL,
NULL);
}
else
{
browser_window_create(BW_CREATE_HISTORY,
url,
NULL,
NULL,
NULL);
}
}
nsurl_unref(url);
}
RXHOOKF(rx_save)
{
BPTR fh = 0;
struct gui_window *gw = ami_gui_get_active_gw();
cmd->ac_RC = 0;
if((cmd->ac_ArgList[1]) && (cmd->ac_ArgList[2]))
gw = ami_find_tab(*(ULONG *)cmd->ac_ArgList[1], *(ULONG *)cmd->ac_ArgList[2]);
if(!gw) return;
ami_set_pointer(ami_gui_get_gui_window_2(gw), GUI_POINTER_WAIT, false);
if((fh = FOpen((char *)cmd->ac_ArgList[0], MODE_NEWFILE, 0)))
{
const uint8_t *source_data;
size_t source_size;
struct hlcache_handle *h = browser_window_get_content(ami_gui_get_browser_window(gw));
source_data = content_get_source_data(h, &source_size);
if (source_data != NULL) {
FWrite(fh, source_data, 1, source_size);
}
FClose(fh);
SetComment((char *)cmd->ac_ArgList[0], nsurl_access(browser_window_access_url(ami_gui_get_browser_window(gw))));
}
ami_reset_pointer(ami_gui_get_gui_window_2(gw));
}
RXHOOKF(rx_quit)
{
cmd->ac_RC = 0;
ami_quit_netsurf();
}
RXHOOKF(rx_tofront)
{
cmd->ac_RC = 0;
ScreenToFront(ami_gui_get_screen());
}
RXHOOKF(rx_geturl)
{
struct gui_window *gw = ami_gui_get_active_gw();
cmd->ac_RC = 0;
if((cmd->ac_ArgList[0]) && (cmd->ac_ArgList[1]))
gw = ami_find_tab(*(ULONG *)cmd->ac_ArgList[0], *(ULONG *)cmd->ac_ArgList[1]);
if(gw && ami_gui_get_browser_window(gw))
{
strcpy(result, nsurl_access(browser_window_access_url(ami_gui_get_browser_window(gw))));
}
else
{
strcpy(result,"");
}
cmd->ac_Result = result;
}
RXHOOKF(rx_gettitle)
{
struct gui_window *gw = ami_gui_get_active_gw();
cmd->ac_RC = 0;
if((cmd->ac_ArgList[0]) && (cmd->ac_ArgList[1]))
gw = ami_find_tab(*(ULONG *)cmd->ac_ArgList[0], *(ULONG *)cmd->ac_ArgList[1]);
if(gw)
{
if(ami_gui2_get_tabs(ami_gui_get_gui_window_2(gw)) > 1)
strcpy(result, ami_gui_get_tab_title(gw));
else
strcpy(result, ami_gui_get_win_title(gw));
}
else
{
strcpy(result,"");
}
cmd->ac_Result = result;
}
RXHOOKF(rx_version)
{
cmd->ac_RC = 0;
if(cmd->ac_ArgList[2])
{
if(cmd->ac_ArgList[1])
{
if((netsurf_version_major > *(int *)cmd->ac_ArgList[0]) || ((netsurf_version_minor >= *(int *)cmd->ac_ArgList[1]) && (netsurf_version_major == *(int *)cmd->ac_ArgList[0])))
{
strcpy(result,"1");
}
else
{
strcpy(result,"0");
}
}
else if(cmd->ac_ArgList[0])
{
if((netsurf_version_major >= *(int *)cmd->ac_ArgList[0]))
{
strcpy(result,"1");
}
else
{
strcpy(result,"0");
}
}
else
{
strcpy(result,netsurf_version);
}
}
else
{
if(cmd->ac_ArgList[1])
{
if((netsurf_version_major > *(int *)cmd->ac_ArgList[0]) || ((atoi(wt_revid) >= *(int *)cmd->ac_ArgList[1]) && (netsurf_version_major == *(int *)cmd->ac_ArgList[0])))
{
strcpy(result,"1");
}
else
{
strcpy(result,"0");
}
}
else if(cmd->ac_ArgList[0])
{
if((netsurf_version_major >= *(int *)cmd->ac_ArgList[0]))
{
strcpy(result,"1");
}
else
{
strcpy(result,"0");
}
}
else
{
strcpy(result,verarexx);
}
}
cmd->ac_Result = result;
}
RXHOOKF(rx_pubscreen)
{
cmd->ac_RC = 0;
if(nsoption_charp(pubscreen_name) == NULL)
{
strcpy(result,"NetSurf");
}
else
{
strcpy(result, nsoption_charp(pubscreen_name));
}
cmd->ac_Result = result;
}
RXHOOKF(rx_back)
{
struct gui_window *gw = ami_gui_get_active_gw();
cmd->ac_RC = 0;
if((cmd->ac_ArgList[0]) && (cmd->ac_ArgList[1]))
gw = ami_find_tab(*(ULONG *)cmd->ac_ArgList[0], *(ULONG *)cmd->ac_ArgList[1]);
if(gw) ami_gui_history(ami_gui_get_gui_window_2(gw), true);
}
RXHOOKF(rx_forward)
{
struct gui_window *gw = ami_gui_get_active_gw();
cmd->ac_RC = 0;
if((cmd->ac_ArgList[0]) && (cmd->ac_ArgList[1]))
gw = ami_find_tab(*(ULONG *)cmd->ac_ArgList[0], *(ULONG *)cmd->ac_ArgList[1]);
if(gw) ami_gui_history(ami_gui_get_gui_window_2(gw), false);
}
RXHOOKF(rx_home)
{
struct gui_window *gw = ami_gui_get_active_gw();
nsurl *url;
cmd->ac_RC = 0;
if((cmd->ac_ArgList[0]) && (cmd->ac_ArgList[1]))
gw = ami_find_tab(*(ULONG *)cmd->ac_ArgList[0], *(ULONG *)cmd->ac_ArgList[1]);
if(gw == NULL) return;
if (nsurl_create(nsoption_charp(homepage_url), &url) != NSERROR_OK) {
amiga_warn_user("NoMemory", 0);
} else {
browser_window_navigate(ami_gui_get_browser_window(gw),
url,
NULL,
BW_NAVIGATE_HISTORY,
NULL,
NULL,
NULL);
nsurl_unref(url);
}
}
RXHOOKF(rx_reload)
{
struct gui_window *gw = ami_gui_get_active_gw();
cmd->ac_RC = 0;
if((cmd->ac_ArgList[1]) && (cmd->ac_ArgList[2]))
gw = ami_find_tab(*(ULONG *)cmd->ac_ArgList[1], *(ULONG *)cmd->ac_ArgList[2]);
if(gw)
{
if(cmd->ac_ArgList[0]) /* FORCE */
{
browser_window_reload(ami_gui_get_browser_window(gw), true);
}
else
{
browser_window_reload(ami_gui_get_browser_window(gw), false);
}
}
}
RXHOOKF(rx_windows)
{
int windows = 0, tabs = 0;
int window = 0;
if(cmd->ac_ArgList[0]) window = *(ULONG *)cmd->ac_ArgList[0];
cmd->ac_RC = 0;
windows = ami_gui_count_windows(window, &tabs);
if(cmd->ac_ArgList[0]) sprintf(result, "%d", tabs);
else sprintf(result, "%d", windows);
cmd->ac_Result = result;
}
RXHOOKF(rx_active)
{
int window = 0, tab = 0;
struct gui_window *gw = ami_gui_get_active_gw();
struct nsObject *node, *nnode;
struct gui_window_2 *gwin = NULL;
struct MinList *window_list = ami_gui_get_window_list();
cmd->ac_RC = 0;
if(!IsMinListEmpty(window_list))
{
int windows = 0;
node = (struct nsObject *)GetHead((struct List *)window_list);
do
{
nnode=(struct nsObject *)GetSucc((struct Node *)node);
gwin = node->objstruct;
if(node->Type == AMINS_WINDOW)
{
windows++;
if(IS_CURRENT_GW(gwin,gw))
{
window = windows;
break;
}
}
} while((node = nnode));
}
if(cmd->ac_ArgList[0])
{
tab = ami_find_tab_bw(gwin, ami_gui_get_browser_window(gw));
}
if(cmd->ac_ArgList[0]) sprintf(result, "%d", tab);
else sprintf(result, "%d", window);
cmd->ac_Result = result;
}
RXHOOKF(rx_close)
{
struct gui_window *gw = ami_gui_get_active_gw();
cmd->ac_RC = 0;
if((cmd->ac_ArgList[0]) && (cmd->ac_ArgList[1]))
gw = ami_find_tab(*(ULONG *)cmd->ac_ArgList[0], *(ULONG *)cmd->ac_ArgList[1]);
else if(cmd->ac_ArgList[0])
{
ami_gui_close_window(ami_gui_get_gui_window_2(gw));
return;
}
if(gw) browser_window_destroy(ami_gui_get_browser_window(gw));
}
RXHOOKF(rx_hotlist)
{
cmd->ac_RC = 0;
if(strcasecmp((char *)cmd->ac_ArgList[0], "OPEN") == 0) {
ami_hotlist_present();
} else if(strcasecmp((char *)cmd->ac_ArgList[0], "CLOSE") == 0) {
ami_hotlist_close();
}
}
RXHOOKF(rx_exec)
{
struct gui_window *gw = ami_gui_get_active_gw();
bool res = false;
if(nsoption_bool(arexx_allow_exec) == false) {
cmd->ac_RC = RETURN_FAIL;
return;
}
if((cmd->ac_ArgList[0]) && (cmd->ac_ArgList[1]))
gw = ami_find_tab(*(ULONG *)cmd->ac_ArgList[0], *(ULONG *)cmd->ac_ArgList[1]);
if(gw) {
NSLOG(netsurf, WARNING, "Executing js: %s", (char *)cmd->ac_ArgList[2]);
res = browser_window_exec(ami_gui_get_browser_window(gw),
(char *)cmd->ac_ArgList[2], strlen((char *)cmd->ac_ArgList[2]));
}
if(res == false) {
cmd->ac_RC = RETURN_ERROR;
} else {
cmd->ac_RC = RETURN_OK;
}
}
RXHOOKF(rx_slabstats)
{
#ifndef __amigaos4__
BPTR fh = 0;
if(cmd->ac_ArgList[0] != NULL) {
fh = Open((char *)cmd->ac_ArgList[0], MODE_NEWFILE);
}
ami_memory_slab_dump(fh);
if(fh != 0) Close(fh);
#endif
}