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Add base64 support

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Lua Server Pages may now call the EncodeBase64() and DecodeBase64()
functions should they wish to do things like emit embeded data URIs

See #97
This commit is contained in:
Justine Tunney 2021-03-27 18:17:54 -07:00
parent 4d21cd315d
commit dcbd2b8668
8 changed files with 333 additions and 5 deletions
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29
tool/net/redbean.c
View file

@ -73,6 +73,7 @@
#include "libc/x/x.h"
#include "libc/zip.h"
#include "libc/zipos/zipos.internal.h"
#include "net/http/base64.h"
#include "net/http/escape.h"
#include "net/http/http.h"
#include "third_party/getopt/getopt.h"
@ -886,7 +887,7 @@ static void ParseParams(struct Parser *u, struct Params *h, bool isform) {
*u->p++ = u->c;
break;
case '+':
*u->p++ = isform ? ' ' : u->c;
*u->p++ = isform ? ' ' : '+';
break;
case '%':
ParseEscape(u);
@ -1556,6 +1557,28 @@ static int LuaEscapeLiteral(lua_State *L) {
return LuaEscaper(L, EscapeJsStringLiteral);
}
static int LuaEncodeBase64(lua_State *L) {
char *p;
size_t size, n;
const char *data;
data = luaL_checklstring(L, 1, &size);
p = EncodeBase64(data, size, &n);
lua_pushlstring(L, p, n);
free(p);
return 1;
}
static int LuaDecodeBase64(lua_State *L) {
char *p;
size_t size, n;
const char *data;
data = luaL_checklstring(L, 1, &size);
p = DecodeBase64(data, size, &n);
lua_pushlstring(L, p, n);
free(p);
return 1;
}
static int LuaPopcnt(lua_State *L) {
lua_pushinteger(L, popcnt(luaL_checkinteger(L, 1)));
return 1;
@ -1596,6 +1619,8 @@ static void LuaRun(const char *path) {
}
static const luaL_Reg kLuaFuncs[] = {
{"DecodeBase64", LuaDecodeBase64}, //
{"EncodeBase64", LuaEncodeBase64}, //
{"EscapeFragment", LuaEscapeFragment}, //
{"EscapeHtml", LuaEscapeHtml}, //
{"EscapeLiteral", LuaEscapeLiteral}, //
@ -2052,7 +2077,6 @@ static void TuneServerSocket(void) {
void RedBean(void) {
uint32_t addrsize;
if (IsWindows()) uniprocess = true;
if (daemonize) Daemonize();
gmtoff = GetGmtOffset();
OpenZip((const char *)getauxval(AT_EXECFN));
IndexAssets();
@ -2079,6 +2103,7 @@ void RedBean(void) {
}
exit(1);
}
if (daemonize) Daemonize();
CHECK_NE(-1, listen(server, 10));
addrsize = sizeof(serveraddr);
CHECK_NE(-1, getsockname(server, &serveraddr, &addrsize));