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mirror of https://github.com/lxsang/antd-lua-plugin synced 2024-12-29 10:48:21 +01:00
antd-lua-plugin/plugin-wrapper.c
2019-12-22 17:30:39 +01:00

594 lines
12 KiB
C

#include <antd/ws.h>
#include "lua-api.h"
//void header(int,const char*);
/*
static int l_header (lua_State *L) {
//int client = (int)luaL_checknumber(L, 1);
void* client = lua_touserdata (L, 1);
const char* s = luaL_checkstring(L,2);
ctype(client,s);
return 0;
}
*/
//void redirect(int,const char*);
/*
static int l_redirect (lua_State *L) {
void* client = lua_touserdata (L, 1);
const char* s = luaL_checkstring(L,2);
redirect(client,s);
return 0;
}*/
/*
static int l_html (lua_State *L) {
void* client = lua_touserdata (L, 1);
html(client);
return 0;
}
*/
//void text(int);
/*
static int l_text (lua_State *L) {
void* client = lua_touserdata (L, 1);
text(client);
return 0;
}
*/
//void json(int);
/*
static int l_json (lua_State *L) {
void* client = lua_touserdata (L, 1);
json(client);
return 0;
}*/
//void jpeg(int);
/*
static int l_jpeg (lua_State *L) {
void* client = lua_touserdata (L, 1);
jpeg(client);
return 0;
}*/
//void octstream(int, char*);
/*
static int l_octstream (lua_State *L) {
void* client = lua_touserdata (L, 1);
const char* s = luaL_checkstring(L,2);
octstream(client,(char*)s);
return 0;
}*/
//void textstream(int);
/*
static int l_textstream (lua_State *L) {
void* client = lua_touserdata (L, 1);
textstream(client);
return 0;
}*/
// int mime
static int l_mime(lua_State* L)
{
const char* file = luaL_checkstring(L,1);
lua_pushstring(L,mime(file));
return 1;
}
// int mime
static int l_ext(lua_State* L)
{
const char* file = luaL_checkstring(L,1);
char* e = ext(file);
lua_pushstring(L,e);
if(e)
free(e);
return 1;
}
/*
static int l_is_bin(lua_State* L)
{
const char* file = luaL_checkstring(L,1);
lua_pushboolean(L, is_bin(file));
return 1;
}*/
//int __ti(int,int);
/*
static int l_ti (lua_State *L) {
void* client = lua_touserdata (L, 1);
int v = (int)luaL_checknumber(L, 2);
lua_pushnumber(L, __ti(client,v));
return 1;
}
*/
//int __t(int, const char*,...);
static int l_t (lua_State *L) {
void* client = lua_touserdata (L, 1);
const char* v = luaL_checkstring(L, 2);
lua_pushnumber(L, __t(client,v));
return 1; /* number of results */
}
// TODO: add __b to LUA
//int __b(int, const unsigned char*, int);
static int l_b (lua_State *L) {
void * client = lua_touserdata(L,1);
byte_array_t * arr = l_check_barray(L,2);
lua_pushnumber(L, __b(client, arr->data,arr->size));
return 1;
}
//int __f(int, const char*);
static int l_f (lua_State *L) {
void* client = lua_touserdata (L, 1);
const char* v = luaL_checkstring(L, 2);
lua_pushnumber(L, __f(client,v));
return 1;
}
//int __fb(int, const char*);
/*static int l_fb (lua_State *L) {
void* client = lua_touserdata (L, 1);
const char* v = luaL_checkstring(L, 2);
lua_pushnumber(L, __fb(client,v));
return 1;
}*/
//int upload(const char*, const char*);
static int l_upload (lua_State *L) {
const char* s = luaL_checkstring(L, 1);
const char* d = luaL_checkstring(L, 2);
lua_pushnumber(L, upload(s,d));
return 1;
}
//char* route(const char*);
static int l_route (lua_State *L) {
const char* s = luaL_checkstring(L, 1);
lua_pushstring(L, route(s));
return 1;
}
//char* htdocs(const char*);
//#ifdef USE_DB
//sqldb getdb();
//#endif
//void set_cookie(int,dictionary);
//void unknow(int);
/*
static int l_unknow (lua_State *L) {
void* client = lua_touserdata (L, 1);
unknow(client);
return 0;
}
*/
static int l_log(lua_State *L)
{
const char* s = luaL_checkstring(L,1);
server_log("%s",s);
return 0;
}
dictionary_t iterate_lua_table(lua_State *L, int index)
{
// Push another reference to the table on top of the stack (so we know
// where it is, and this function can work for negative, positive and
// pseudo indices
dictionary_t dic = dict();
lua_pushvalue(L, index);
// stack now contains: -1 => table
lua_pushnil(L);
// stack now contains: -1 => nil; -2 => table
while (lua_next(L, -2))
{
// stack now contains: -1 => value; -2 => key; -3 => table
// copy the key so that lua_tostring does not modify the original
lua_pushvalue(L, -2);
// stack now contains: -1 => key; -2 => value; -3 => key; -4 => table
const char *key = lua_tostring(L, -1);
if(lua_istable(L,-2))
{
// the element is a table
// create new dictionary
dictionary_t cdic = iterate_lua_table(L,-2);
dput(dic,key, cdic);
}
else
{
// other value is converted to string
const char *value = lua_tostring(L, -2);
//LOG("%s=%s\n", key, value);
dput(dic,key, strdup(value));
}
// pop value + copy of key, leaving original key
lua_pop(L, 2);
// stack now contains: -1 => key; -2 => table
}
// stack now contains: -1 => table (when lua_next returns 0 it pops the key
// but does not push anything.)
// Pop table
lua_pop(L, 1);
// Stack is now the same as it was on entry to this function
return dic;
}
/*
static int l_set_cookie(lua_State* L)
{
if (lua_istable(L, 3))
{
dictionary_t d = iterate_lua_table(L,-2);
if(d)
{
void* client = lua_touserdata (L, 1);
const char* type = luaL_checkstring(L,2);
const char* path = luaL_checkstring(L,4);
set_cookie(client, type,d,path);
freedict(d);
}
}
return 0;
}*/
static int l_simple_hash(lua_State* L)
{
const char* s = luaL_checkstring(L,1);
lua_pushnumber(L, simple_hash(s));
return 1;
}
static int l_md5(lua_State* L)
{
const char* s = luaL_checkstring(L,1);
int len = strlen(s);
char buff[256];
md5((uint8_t*)s,len,buff);
lua_pushstring(L,buff);
return 1;
}
static int l_sha1(lua_State *L )
{
const char* s = luaL_checkstring(L,1);
char buff[80];
sha1(s,buff);
lua_pushstring(L,buff);
return 1;
}
static int l_base64_encode(lua_State *L)
{
char* s;
int len;
char* dst;
byte_array_t *arr = NULL;
if(lua_isstring(L,1))
{
s= (char*)luaL_checkstring(L,1);
len = strlen(s);
}
else
{
// this may be an bytearray
arr = l_check_barray(L,1);
s = (char*)arr->data;
len = arr->size;
}
if(len == 0)
{
lua_pushstring(L,"");
return 1;
}
dst = (char*) malloc( ((len * 4) / 3) + (len / 96) + 6 );//(((4 * len / 3) + 3) & ~3)+1
Base64encode(dst, s,len);
lua_pushstring(L,dst);
free(dst);
return 1;
}
static int l_base64_decode(lua_State *L)
{
const char* s = luaL_checkstring(L,1);
int len = Base64decode_len(s);
// decode data to a byte array
lua_new_byte_array(L,len);
byte_array_t * arr = NULL;
arr = l_check_barray(L,2);
len = Base64decode((char*)arr->data, s);
arr->size = len;
//lua_pushstring(L,dst);
//free(dst);
return 1;
}
/*
* web socket handle for lua
*/
static int l_ws_read_header(lua_State *L)
{
void* client = lua_touserdata (L, 1);
ws_msg_header_t * header = ws_read_header(client);
if(!header)
{
lua_pushnil(L);
return 1;
}
else
{
// create newtable
lua_newtable(L);
lua_pushstring(L,"fin");
lua_pushnumber(L,(int)header->fin);
lua_settable(L,-3);
lua_pushstring(L,"opcode");
lua_pushnumber(L,(int)header->opcode);
lua_settable(L,-3);
lua_pushstring(L,"plen");
lua_pushnumber(L,(int)header->plen);
lua_settable(L,-3);
lua_pushstring(L,"mask");
lua_pushnumber(L,(int)header->mask);
lua_settable(L,-3);
lua_pushstring(L,"mask_key");
lua_newtable(L);
lua_pushnumber(L,0);
lua_pushnumber(L,(int)header->mask_key[0]);
lua_settable(L,-3);
lua_pushnumber(L,1);
lua_pushnumber(L,(int)header->mask_key[1]);
lua_settable(L,-3);
lua_pushnumber(L,2);
lua_pushnumber(L,(int)header->mask_key[2]);
lua_settable(L,-3);
lua_pushnumber(L,3);
lua_pushnumber(L,(int)header->mask_key[3]);
lua_settable(L,-3);
lua_settable(L,-3);
free(header);
return 1;
}
}
/*
* Read socket data given the header
*/
static int l_ws_read_data(lua_State *L)
{
void* client = lua_touserdata (L, 1);
if(!lua_istable(L,2))
{
ws_close(client,1011);
lua_pushnil(L);
return 1;
}
dictionary_t dic = iterate_lua_table(L,2);
if(dic)
{
// convert dictionary to header
ws_msg_header_t * header = (ws_msg_header_t*) malloc(sizeof(*header));
header->fin = (uint8_t)(R_INT(dic,"fin"));
header->opcode = (uint8_t)(R_INT(dic,"opcode"));
header->mask = 1;
header->plen = R_INT(dic,"plen");
dictionary_t d1 = (dictionary_t)dvalue(dic,"mask_key");
if(d1)
{
header->mask_key[0] = (uint8_t)(R_INT(d1,"0"));
header->mask_key[1] = (uint8_t)(R_INT(d1,"1"));
header->mask_key[2] = (uint8_t)(R_INT(d1,"2"));
header->mask_key[3] = (uint8_t)(R_INT(d1,"3"));
freedict(d1);
dput(dic,"mask_key", NULL);
}
freedict(dic);
// read data
// This return max 1024 bytes data,
//user should handle consecutive read
// by examining the header (FIN bit and plen)
uint8_t* data = (uint8_t*) malloc(header->plen+1);
int size = ws_read_data(client, header, header->plen, data);
if(size < 0)
{
lua_pushnil(L);
free(header);
if(data) free(data);
return 1;
}
if(header->opcode == WS_TEXT)
{
data[size] = '\0';
lua_pushstring(L, (char*)data);
}
else
{
// binary data as byte array
// this is not an optimal way to store byte array
// TODO: we may need a dedicated byte array type
// for it
lua_new_byte_array(L,size);
byte_array_t * arr = NULL;
arr = l_check_barray(L,3);
memcpy(arr->data,data,size);
/*lua_newtable(L);
for (int i = 0; i < size; i++)
{
lua_pushnumber(L,i);
lua_pushnumber(L,(int)(data[i]));
lua_settable(L,-3);
}*/
}
if(data)
free(data);
free(header);
}
else
{
lua_pushnil(L);
}
return 1;
}
/*
* Send a text to web socket
*/
static int l_ws_t(lua_State*L)
{
void* client = lua_touserdata (L, 1);
char* str = (char*)luaL_checkstring(L,2);
ws_t(client,str);
return 1;
}
/*static int l_status(lua_State*L)
{
void* client = lua_touserdata (L, 1);
int code = (int) luaL_checknumber(L,2);
const char* msg = luaL_checkstring(L,3);
set_status(client,code,msg);
return 1;
}*/
/*
* send a file as binary data
*/
static int l_ws_f(lua_State*L)
{
void* client = lua_touserdata (L, 1);
char* str = (char*)luaL_checkstring(L,2);
ws_f(client,str);
return 1;
}
static int l_ws_bin(lua_State*L)
{
byte_array_t * arr = NULL;
void* client = lua_touserdata (L, 1);
arr = l_check_barray(L,2);
ws_b(client, arr->data, arr->size);
return 1;
}
static int l_ws_close(lua_State *L)
{
void* client = lua_touserdata (L, 1);
int status = (int) luaL_checknumber(L,2);
ws_close(client,status);
return 1;
}
static int l_trim(lua_State* L)
{
char* str = strdup((char*)luaL_checkstring(L,1));
const char* tok = luaL_checkstring(L,2);
trim(str,tok[0]);
lua_pushstring(L,(const char*)str);
free(str);
return 1;
}
static int l_is_dir(lua_State* L)
{
const char* file = (char*)luaL_checkstring(L,1);
lua_pushboolean(L,is_dir(file) == 1);
return 1;
}
static int l_std_error(lua_State* L)
{
void* client = lua_touserdata (L, 1);
int status = luaL_checknumber(L,2);
const char* msg = luaL_checkstring(L,3);
antd_error(client, status, msg);
return 1;
}
static int l_send_header(lua_State* L)
{
if (lua_istable(L, 3))
{
dictionary_t d = iterate_lua_table(L,-2);
if(d)
{
void* client = lua_touserdata (L, 1);
int status = luaL_checknumber(L,2);
antd_response_header_t h;
h.status = status;
h.header = d;
dictionary_t c = iterate_lua_table(L,-1);
h.cookie = NULL;
if(c)
{
h.cookie = list_init();
if(h.cookie)
{
chain_t it;
for_each_assoc(it,c)
{
list_put_ptr(&h.cookie,strdup(it->value));
}
}
freedict(c);
}
antd_send_header(client, &h);
}
}
return 1;
}
static const struct luaL_Reg standard [] = {
//{"_header", l_header},
//{"_redirect", l_redirect},
//{"_html", l_html},
//{"_text", l_text},
//{"_json", l_json},
//{"_jpeg", l_jpeg},
{"_error", l_std_error},
{"_send_header", l_send_header},
{"b64encode", l_base64_encode},
{"b64decode", l_base64_decode},
//{"_octstream", l_octstream} ,
//{"_textstream", l_textstream} ,
//{"_ti", l_ti} ,
{"_t", l_t} ,
{"_f", l_f} ,
{"_b", l_b} ,
{"trim", l_trim},
{"upload", l_upload} ,
{"route", l_route} ,
{"mime", l_mime} ,
//{"is_bin", l_is_bin} ,
//{"_unknow", l_unknow} ,
//{"_status", l_status},
{"console", l_log} ,
//{"_setCookie", l_set_cookie},
{"hash",l_simple_hash},
{"md5",l_md5},
{"sha1",l_sha1},
{"ext",l_ext},
{"ws_header",l_ws_read_header},
{"ws_read",l_ws_read_data},
{"ws_f",l_ws_f},
{"ws_t", l_ws_t},
{"ws_b", l_ws_bin},
{"ws_close", l_ws_close},
{"is_dir", l_is_dir},
{NULL,NULL}
};
int luaopen_standard(lua_State *L)
{
luaL_newlib(L, standard);
return 1;
}