static int Lreader_extract(lua_State *L) {
mz_zip_archive *za = luaL_checkudata(L, 1, LMZ_ZIP_READER);
mz_uint flags = (mz_uint)luaL_optinteger(L, 3, 0);
int type = lua_type(L, 2);
luaL_Buffer b;
mz_bool result = 0;
luaL_buffinit(L, &b);
if (type == LUA_TSTRING)
result = mz_zip_reader_extract_file_to_callback(za,
lua_tostring(L, 2),
Lwriter, &b, flags);
else if (type == LUA_TNUMBER)
result = mz_zip_reader_extract_to_callback(za,
(mz_uint)lua_tointeger(L, 2) - 1,
Lwriter, &b, flags);
luaL_pushresult(&b);
return result ? 1 : 0;
}
static int adapt_serve_zip_entry(struct mg_connection* connection, adapt_serving_context* context,
const char* file_name) {
int file_index = mz_zip_reader_locate_file(&context->zip, file_name, NULL,
MZ_ZIP_FLAG_CASE_SENSITIVE);
mz_zip_archive_file_stat file_info;
if (mz_zip_reader_file_stat(&context->zip, file_index, &file_info)) {
if (file_index >= 0) {
// Possible filters
struct adapt_sink_connection sink_connection;
struct adapt_sink_safari_bug filter_safari_bug;
struct adapt_sink_deobfuscate filter_deobfuscate;
struct adapt_sink_inflator filter_inflator;
struct adapt_sink_woff filter_woff;
// Build filter chain.
char* media_type = context->file_info ? context->file_info[file_index].media_type : NULL;
struct adapt_sink* sink = &sink_connection.super;
int known_length = 1;
int flush = 0;
sink_connection.super.write = adapt_sink_connection_write;
sink_connection.connection = connection;
if (media_type && strcmp(media_type, "application/xhtml+xml") == 0) {
filter_safari_bug.super.write = adapt_sink_safari_bug_write;
filter_safari_bug.state = 1;
filter_safari_bug.next = sink;
sink = &filter_safari_bug.super;
} else if (media_type && adapt_convert_to_woff &&
(strcmp(media_type, "application/x-font-truetype") == 0
|| strcmp(media_type, "application/x-font-opentype") == 0
|| strcmp(media_type, "application/vnd.ms-opentype") == 0
|| strcmp(media_type, "font/truetype") == 0
|| strcmp(media_type, "font/opentype") == 0)) {
filter_woff.buffer = NULL;
filter_woff.buffer_size = 0;
filter_woff.buffer_used = 0;
filter_woff.super.write = adapt_sink_woff_write;
filter_woff.next = sink;
sink = &filter_woff.super;
known_length = 0;
flush = 1;
}
if (context->file_info && context->file_info[file_index].obfuscation) {
if (file_info.m_method == 0) {
/* Stored and obfuscated: obfuscation applied after deflate. */
filter_inflator.super.write = adapt_sink_inflator_write;
tinfl_init(&filter_inflator.inflator);
filter_inflator.inflated_file_offset = 0;
filter_inflator.buffer_offset = 0;
filter_inflator.next = sink;
sink = &filter_inflator.super;
known_length = 0;
flush = 1;
}
filter_deobfuscate.super.write = adapt_sink_deobfuscate_write;
filter_deobfuscate.obfuscation = context->file_info[file_index].obfuscation;
filter_deobfuscate.next = sink;
sink = &filter_deobfuscate.super;
}
mg_printf(connection, "HTTP/1.1 200 Success\r\n");
if (known_length) {
mg_printf(connection, "Content-Length: %d\r\n", (int)file_info.m_uncomp_size);
}
if (media_type) {
mg_printf(connection,
"Content-Type: %s\r\n\r\n",
media_type);
} else {
mg_printf(connection, "\r\n");
}
mz_zip_reader_extract_to_callback(&context->zip, file_index,
adapt_sink_write, sink, MZ_ZIP_FLAG_CASE_SENSITIVE);
if (flush) {
sink->write(sink, (size_t)file_info.m_uncomp_size, NULL, 0);
}
return 1;
}
mg_printf(connection,
"HTTP/1.1 404 Not found\r\n"
"Content-Length: 0\r\n"
"\r\n");
return 1;
}
return 0;
}
