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brotli.c
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#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <php.h>
#include <SAPI.h>
#include <php_ini.h>
#include <ext/standard/info.h>
#include <ext/standard/php_smart_string.h>
#if defined(HAVE_APCU_SUPPORT)
#include <ext/standard/php_var.h>
#include <ext/apcu/apc_serializer.h>
#include <zend_smart_str.h>
#endif
#include "php_brotli.h"
int le_state;
# pragma GCC diagnostic ignored "-Wpointer-sign"
ZEND_DECLARE_MODULE_GLOBALS(brotli);
static ZEND_FUNCTION(brotli_compress);
static ZEND_FUNCTION(brotli_uncompress);
static ZEND_FUNCTION(brotli_compress_init);
static ZEND_FUNCTION(brotli_compress_add);
static ZEND_FUNCTION(brotli_uncompress_init);
static ZEND_FUNCTION(brotli_uncompress_add);
ZEND_BEGIN_ARG_INFO_EX(arginfo_brotli_compress, 0, 0, 1)
ZEND_ARG_INFO(0, data)
ZEND_ARG_INFO(0, quality)
ZEND_ARG_INFO(0, mode)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_brotli_uncompress, 0, 0, 1)
ZEND_ARG_INFO(0, data)
ZEND_ARG_INFO(0, max)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_brotli_compress_init, 0, 0, 0)
ZEND_ARG_INFO(0, quality)
ZEND_ARG_INFO(0, mode)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_brotli_compress_add, 0, 0, 2)
ZEND_ARG_INFO(0, context)
ZEND_ARG_INFO(0, data)
ZEND_ARG_INFO(0, mode)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_brotli_uncompress_init, 0, 0, 0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_brotli_uncompress_add, 0, 0, 2)
ZEND_ARG_INFO(0, context)
ZEND_ARG_INFO(0, data)
ZEND_ARG_INFO(0, mode)
ZEND_END_ARG_INFO()
#if defined(HAVE_APCU_SUPPORT)
static int APC_SERIALIZER_NAME(brotli)(APC_SERIALIZER_ARGS);
static int APC_UNSERIALIZER_NAME(brotli)(APC_UNSERIALIZER_ARGS);
#endif
static zend_function_entry brotli_functions[] = {
ZEND_FE(brotli_compress, arginfo_brotli_compress)
ZEND_FE(brotli_uncompress, arginfo_brotli_uncompress)
ZEND_NS_FALIAS(BROTLI_NS, compress,
brotli_compress, arginfo_brotli_compress)
ZEND_NS_FALIAS(BROTLI_NS, uncompress,
brotli_uncompress, arginfo_brotli_uncompress)
ZEND_FE(brotli_compress_init, arginfo_brotli_compress_init)
ZEND_FE(brotli_compress_add, arginfo_brotli_compress_add)
ZEND_FE(brotli_uncompress_init, arginfo_brotli_uncompress_init)
ZEND_FE(brotli_uncompress_add, arginfo_brotli_uncompress_add)
ZEND_NS_FALIAS(BROTLI_NS, compress_init,
brotli_compress_init, arginfo_brotli_compress_init)
ZEND_NS_FALIAS(BROTLI_NS, compress_add,
brotli_compress_add, arginfo_brotli_compress_add)
ZEND_NS_FALIAS(BROTLI_NS, uncompress_init,
brotli_uncompress_init, arginfo_brotli_uncompress_init)
ZEND_NS_FALIAS(BROTLI_NS, uncompress_add,
brotli_uncompress_add, arginfo_brotli_uncompress_add)
ZEND_FE_END
};
static const size_t PHP_BROTLI_BUFFER_SIZE = 1 << 19;
static int php_brotli_encoder_create(BrotliEncoderState **encoder,
long quality, int lgwin, long mode)
{
*encoder = BrotliEncoderCreateInstance(NULL, NULL, NULL);
if (!*encoder) {
return FAILURE;
}
if (quality < BROTLI_MIN_QUALITY || quality > BROTLI_MAX_QUALITY) {
php_error_docref(NULL, E_WARNING,
"brotli: compression level (%ld) "
"must be within %d..%d",
(long)quality, BROTLI_MIN_QUALITY, BROTLI_MAX_QUALITY);
quality = BROTLI_DEFAULT_QUALITY;
}
if (lgwin == 0) {
lgwin = BROTLI_DEFAULT_WINDOW;
}
if (mode != BROTLI_MODE_GENERIC &&
mode != BROTLI_MODE_TEXT &&
mode != BROTLI_MODE_FONT) {
php_error_docref(NULL, E_WARNING,
"brotli: compression mode (%ld) must be %d, %d, %d",
(long)mode, BROTLI_MODE_GENERIC, BROTLI_MODE_TEXT,
BROTLI_MODE_FONT);
mode = BROTLI_MODE_GENERIC;
}
BrotliEncoderSetParameter(*encoder, BROTLI_PARAM_QUALITY, quality);
BrotliEncoderSetParameter(*encoder, BROTLI_PARAM_LGWIN, lgwin);
BrotliEncoderSetParameter(*encoder, BROTLI_PARAM_MODE, mode);
return SUCCESS;
}
static int php_brotli_decoder_create(BrotliDecoderState **decoder)
{
*decoder = BrotliDecoderCreateInstance(NULL, NULL, NULL);
if (!*decoder) {
return FAILURE;
}
return SUCCESS;
}
static php_brotli_state_context* php_brotli_state_init(void)
{
php_brotli_state_context *ctx
= (php_brotli_state_context *)ecalloc(1,
sizeof(php_brotli_state_context));
ctx->encoder = NULL;
ctx->decoder = NULL;
return ctx;
}
static void php_brotli_state_destroy(php_brotli_state_context *ctx)
{
if (ctx->encoder) {
BrotliEncoderDestroyInstance(ctx->encoder);
ctx->encoder = NULL;
}
if (ctx->decoder) {
BrotliDecoderDestroyInstance(ctx->decoder);
ctx->decoder = NULL;
}
efree(ctx);
}
static void php_brotli_state_rsrc_dtor(zend_resource *res)
{
php_brotli_state_context *ctx = zend_fetch_resource(res, NULL, le_state);
php_brotli_state_destroy(ctx);
}
#define PHP_BROTLI_OUTPUT_HANDLER "ob_brotli_handler"
static int php_brotli_output_encoding(void)
{
#if defined(COMPILE_DL_BROTLI) && defined(ZTS)
ZEND_TSRMLS_CACHE_UPDATE();
#endif
zval *enc;
if (!BROTLI_G(compression_coding)) {
if ((Z_TYPE(PG(http_globals)[TRACK_VARS_SERVER]) == IS_ARRAY
|| zend_is_auto_global_str(ZEND_STRL("_SERVER")))
&& (enc = zend_hash_str_find(
Z_ARRVAL(PG(http_globals)[TRACK_VARS_SERVER]),
"HTTP_ACCEPT_ENCODING",
sizeof("HTTP_ACCEPT_ENCODING") - 1))) {
convert_to_string(enc);
if (strstr(Z_STRVAL_P(enc), "br")) {
BROTLI_G(compression_coding) = 1;
}
}
}
return BROTLI_G(compression_coding);
}
static void php_brotli_context_close(php_brotli_context *ctx)
{
if (ctx->state.encoder) {
BrotliEncoderDestroyInstance(ctx->state.encoder);
ctx->state.encoder = NULL;
}
if (ctx->output) {
efree(ctx->output);
ctx->output = NULL;
}
ctx->available_in = 0;
ctx->next_in = NULL;
ctx->available_out = 0;
ctx->next_out = NULL;
}
static int php_brotli_output_handler(void **handler_context,
php_output_context *output_context)
{
long quality = BROTLI_DEFAULT_QUALITY;
php_brotli_context *ctx = *(php_brotli_context **)handler_context;
if (!php_brotli_output_encoding()) {
if ((output_context->op & PHP_OUTPUT_HANDLER_START)
&& (output_context->op
!= (PHP_OUTPUT_HANDLER_START
|PHP_OUTPUT_HANDLER_CLEAN|PHP_OUTPUT_HANDLER_FINAL))) {
sapi_add_header_ex(ZEND_STRL("Vary: Accept-Encoding"),
1, 0);
}
return FAILURE;
}
if (!BROTLI_G(output_compression) || !BROTLI_G(ob_handler)) {
return FAILURE;
}
quality = BROTLI_G(output_compression_level);
if (quality < BROTLI_MIN_QUALITY || quality > BROTLI_MAX_QUALITY) {
quality = BROTLI_DEFAULT_QUALITY;
}
if (output_context->op & PHP_OUTPUT_HANDLER_START) {
if (php_brotli_encoder_create(&ctx->state.encoder,
quality, 0, 0) != SUCCESS) {
return FAILURE;
}
}
if (!(output_context->op & PHP_OUTPUT_HANDLER_CLEAN)) {
if (SG(headers_sent)) {
php_brotli_context_close(ctx);
return FAILURE;
}
if (output_context->in.used) {
size_t size
= BrotliEncoderMaxCompressedSize(output_context->in.used);
if (!ctx->output) {
ctx->output = (uint8_t *)emalloc(size);
ctx->available_out = size;
} else {
ctx->available_out += size;
ctx->output = (uint8_t *)erealloc(ctx->output,
ctx->available_out);
}
ctx->next_out = ctx->output;
// append input
ctx->available_in = output_context->in.used;
ctx->next_in = (uint8_t *)output_context->in.data;
} else {
ctx->available_in = 0;
ctx->next_in = NULL;
}
if (!BrotliEncoderCompressStream(ctx->state.encoder,
(output_context->op
& PHP_OUTPUT_HANDLER_FINAL)
? BROTLI_OPERATION_FINISH
: BROTLI_OPERATION_PROCESS,
&ctx->available_in,
&ctx->next_in,
&ctx->available_out,
&ctx->next_out,
NULL)) {
php_brotli_context_close(ctx);
return FAILURE;
}
if (output_context->op & PHP_OUTPUT_HANDLER_FINAL) {
size_t size = (size_t)(ctx->next_out - ctx->output);
uint8_t *data = (uint8_t *)emalloc(size);
memcpy(data, ctx->output, size);
output_context->out.data = data;
output_context->out.used = size;
output_context->out.free = 1;
php_brotli_context_close(ctx);
sapi_add_header_ex(ZEND_STRL("Content-Encoding: br"),
1, 1);
sapi_add_header_ex(ZEND_STRL("Vary: Accept-Encoding"),
1, 0);
}
} else {
php_brotli_context_close(ctx);
if (output_context->op & PHP_OUTPUT_HANDLER_FINAL) {
// discard
return SUCCESS;
} else {
// restart
if (php_brotli_encoder_create(&ctx->state.encoder,
quality, 0, 0) != SUCCESS) {
return FAILURE;
}
}
}
return SUCCESS;
}
static php_brotli_context *php_brotli_output_handler_context_init(void)
{
php_brotli_context *ctx
= (php_brotli_context *)ecalloc(1, sizeof(php_brotli_context));
ctx->state.encoder = NULL;
ctx->state.decoder = NULL;
ctx->available_in = 0;
ctx->next_in = NULL;
ctx->available_out = 0;
ctx->next_out = NULL;
ctx->output = NULL;
return ctx;
}
static void php_brotli_output_handler_context_dtor(void *opaq)
{
php_brotli_context *ctx = (php_brotli_context *)opaq;
if (ctx) {
php_brotli_context_close(ctx);
efree(ctx);
ctx = NULL;
}
BROTLI_G(handler_registered) = 0;
BROTLI_G(ob_handler) = NULL;
}
static php_output_handler*
php_brotli_output_handler_init(const char *handler_name,
size_t handler_name_len,
size_t chunk_size, int flags)
{
php_output_handler *handler = NULL;
handler = php_output_handler_create_internal(handler_name, handler_name_len,
php_brotli_output_handler,
chunk_size, flags);
if (!handler) {
return NULL;
}
if (!BROTLI_G(output_compression)) {
BROTLI_G(output_compression) = 1;
}
BROTLI_G(handler_registered) = 1;
if (!BROTLI_G(ob_handler)) {
BROTLI_G(ob_handler) = php_brotli_output_handler_context_init();
}
php_output_handler_set_context(handler,
BROTLI_G(ob_handler),
php_brotli_output_handler_context_dtor);
return handler;
}
static void php_brotli_cleanup_ob_handler_mess(void)
{
if (BROTLI_G(ob_handler)) {
php_brotli_output_handler_context_dtor(
(void *) BROTLI_G(ob_handler)
);
BROTLI_G(ob_handler) = NULL;
}
}
static void php_brotli_output_compression_start(void)
{
php_output_handler *h;
switch (BROTLI_G(output_compression)) {
case 0:
break;
case 1:
/* break omitted intentionally */
default:
if (php_brotli_output_encoding() &&
(h = php_brotli_output_handler_init(
ZEND_STRL(PHP_BROTLI_OUTPUT_HANDLER),
PHP_OUTPUT_HANDLER_DEFAULT_SIZE,
PHP_OUTPUT_HANDLER_STDFLAGS))) {
php_output_handler_start(h);
}
break;
}
}
static PHP_INI_MH(OnUpdate_brotli_output_compression)
{
int int_value, status;
zend_long *p;
#ifndef ZTS
char *base = (char *)mh_arg2;
#else
char *base;
base = (char *)ts_resource(*((int *) mh_arg2));
#endif
if (new_value == NULL) {
return FAILURE;
}
if (!strncasecmp(ZSTR_VAL(new_value), "off", sizeof("off"))) {
int_value = 0;
} else if (!strncasecmp(ZSTR_VAL(new_value), "on", sizeof("on"))) {
int_value = 1;
#if PHP_VERSION_ID >= 80200
} else if (zend_ini_parse_quantity_warn(new_value, entry->name)) {
#else
} else if (zend_atoi(ZSTR_VAL(new_value), ZSTR_LEN(new_value))) {
#endif
int_value = 1;
} else {
int_value = 0;
}
if (stage == PHP_INI_STAGE_RUNTIME) {
status = php_output_get_status();
if (status & PHP_OUTPUT_SENT) {
php_error_docref("ref.outcontrol", E_WARNING,
"Cannot change brotli.output_compression"
" - headers already sent");
return FAILURE;
}
}
p = (zend_long *)(base+(size_t) mh_arg1);
*p = int_value;
BROTLI_G(output_compression) = BROTLI_G(output_compression_default);
if (stage == PHP_INI_STAGE_RUNTIME && int_value) {
if (!php_output_handler_started(ZEND_STRL(PHP_BROTLI_OUTPUT_HANDLER))) {
php_brotli_output_compression_start();
}
}
return SUCCESS;
}
static int php_brotli_output_conflict(const char *handler_name, size_t handler_name_len)
{
if (php_output_get_level()) {
if (php_output_handler_conflict(handler_name, handler_name_len,
ZEND_STRL(PHP_BROTLI_OUTPUT_HANDLER))
|| php_output_handler_conflict(handler_name, handler_name_len,
ZEND_STRL("ob_gzhandler"))) {
return FAILURE;
}
}
return SUCCESS;
}
PHP_INI_BEGIN()
STD_PHP_INI_BOOLEAN("brotli.output_compression", "0",
PHP_INI_ALL, OnUpdate_brotli_output_compression,
output_compression_default,
zend_brotli_globals, brotli_globals)
STD_PHP_INI_ENTRY("brotli.output_compression_level", "-1",
PHP_INI_ALL, OnUpdateLong, output_compression_level,
zend_brotli_globals, brotli_globals)
PHP_INI_END()
static void php_brotli_init_globals(zend_brotli_globals *brotli_globals)
{
brotli_globals->handler_registered = 0;
brotli_globals->compression_coding = 0;
brotli_globals->ob_handler = NULL;
}
typedef struct _php_brotli_stream_data {
BrotliEncoderState *cctx;
BrotliDecoderState *dctx;
BrotliDecoderResult result;
size_t available_in;
const uint8_t *next_in;
size_t available_out;
uint8_t *next_out;
uint8_t *output;
php_stream *stream;
} php_brotli_stream_data;
#define STREAM_DATA_FROM_STREAM() \
php_brotli_stream_data *self = (php_brotli_stream_data *) stream->abstract
#define STREAM_NAME "compress.brotli"
static int php_brotli_decompress_close(php_stream *stream,
int close_handle)
{
STREAM_DATA_FROM_STREAM();
if (!self) {
return EOF;
}
if (close_handle) {
if (self->stream) {
php_stream_close(self->stream);
self->stream = NULL;
}
}
if (self->dctx) {
BrotliDecoderDestroyInstance(self->dctx);
self->dctx = NULL;
}
if (self->output) {
efree(self->output);
}
efree(self);
stream->abstract = NULL;
return EOF;
}
#if PHP_VERSION_ID < 70400
static size_t php_brotli_decompress_read(php_stream *stream,
char *buf,
size_t count)
{
size_t ret = 0;
#else
static ssize_t php_brotli_decompress_read(php_stream *stream,
char *buf,
size_t count)
{
ssize_t ret = 0;
#endif
STREAM_DATA_FROM_STREAM();
/* input */
uint8_t *input = (uint8_t *)emalloc(PHP_BROTLI_BUFFER_SIZE);
if (self->result == BROTLI_DECODER_RESULT_NEEDS_MORE_INPUT) {
if (php_stream_eof(self->stream)) {
/* corrupt input */
if (input) {
efree(input);
}
#if PHP_VERSION_ID < 70400
return 0;
#else
return -1;
#endif
}
self->available_in = php_stream_read(self->stream, input,
PHP_BROTLI_BUFFER_SIZE );
self->next_in = input;
}
/* output */
uint8_t *output = (uint8_t *)emalloc(count);
self->available_out = count;
self->next_out = output;
while (1) {
self->result = BrotliDecoderDecompressStream(self->dctx,
&self->available_in,
&self->next_in,
&self->available_out,
&self->next_out,
0);
if (self->result == BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT
|| self->result == BROTLI_DECODER_RESULT_SUCCESS) {
size_t out_size = (size_t)(self->next_out - output);
if (out_size) {
memcpy(buf, output, out_size);
ret += out_size;
}
break;
} else if (self->result == BROTLI_DECODER_RESULT_NEEDS_MORE_INPUT) {
/* more input */
if (php_stream_eof(self->stream)) {
/* corrupt input */
break;
}
self->available_in = php_stream_read(self->stream, input, count);
self->next_in = input;
} else {
/* decoder error */
break;
}
}
if (input) {
efree(input);
}
if (output) {
efree(output);
}
return ret;
}
static int php_brotli_compress_close(php_stream *stream,
int close_handle)
{
STREAM_DATA_FROM_STREAM();
if (!self) {
return EOF;
}
const uint8_t *next_in = NULL;
size_t available_in = 0;
uint8_t *output = (uint8_t *)emalloc(PHP_BROTLI_BUFFER_SIZE);
while (!BrotliEncoderIsFinished(self->cctx)) {
uint8_t *next_out = output;
size_t available_out = PHP_BROTLI_BUFFER_SIZE;
if (BrotliEncoderCompressStream(self->cctx,
BROTLI_OPERATION_FINISH,
&available_in,
&next_in,
&available_out,
&next_out,
0)) {
size_t out_size = (size_t)(next_out - output);
if (out_size) {
php_stream_write(self->stream, output, out_size);
}
} else {
php_error_docref(NULL, E_WARNING,
"brotli compress error");
}
}
efree(output);
if (close_handle) {
if (self->stream) {
php_stream_close(self->stream);
self->stream = NULL;
}
}
if (self->cctx) {
BrotliEncoderDestroyInstance(self->cctx);
self->cctx = NULL;
}
if (self->output) {
efree(self->output);
}
efree(self);
stream->abstract = NULL;
return EOF;
}
#if PHP_VERSION_ID < 70400
static size_t php_brotli_compress_write(php_stream *stream,
const char *buf,
size_t count)
{
size_t ret = 0;
#else
static ssize_t php_brotli_compress_write(php_stream *stream,
const char *buf,
size_t count)
{
ssize_t ret = 0;
#endif
STREAM_DATA_FROM_STREAM();
size_t available_in = count;
const uint8_t *next_in = (uint8_t *)buf;
uint8_t *output = (uint8_t *)emalloc(PHP_BROTLI_BUFFER_SIZE);
while (available_in) {
size_t available_out = PHP_BROTLI_BUFFER_SIZE;
uint8_t *next_out = output;
if (BrotliEncoderCompressStream(self->cctx,
BROTLI_OPERATION_PROCESS,
&available_in,
&next_in,
&available_out,
&next_out,
0)) {
size_t out_size = (size_t)(next_out - output);
if (out_size) {
php_stream_write(self->stream, output, out_size);
}
} else {
php_error_docref(NULL, E_WARNING, "brotli compress error");
#if PHP_VERSION_ID >= 70400
return -1;
#endif
}
}
ret += count;
efree(output);
return ret;
}
static php_stream_ops php_stream_brotli_read_ops = {
NULL, /* write */
php_brotli_decompress_read,
php_brotli_decompress_close,
NULL, /* flush */
STREAM_NAME,
NULL, /* seek */
NULL, /* cast */
NULL, /* stat */
NULL /* set_option */
};
static php_stream_ops php_stream_brotli_write_ops = {
php_brotli_compress_write,
NULL, /* read */
php_brotli_compress_close,
NULL, /* flush */
STREAM_NAME,
NULL, /* seek */
NULL, /* cast */
NULL, /* stat */
NULL /* set_option */
};
static php_stream *
php_stream_brotli_opener(
php_stream_wrapper *wrapper,
const char *path,
const char *mode,
int options,
zend_string **opened_path,
php_stream_context *context
STREAMS_DC)
{
php_brotli_stream_data *self;
int level = BROTLI_DEFAULT_QUALITY;
int compress;
if (strncasecmp(STREAM_NAME, path, sizeof(STREAM_NAME)-1) == 0) {
path += sizeof(STREAM_NAME)-1;
if (strncmp("://", path, 3) == 0) {
path += 3;
}
}
if (php_check_open_basedir(path)) {
return NULL;
}
if (!strcmp(mode, "w") || !strcmp(mode, "wb")) {
compress = 1;
} else if (!strcmp(mode, "r") || !strcmp(mode, "rb")) {
compress = 0;
} else {
php_error_docref(NULL, E_ERROR, "brotli: invalid open mode");
return NULL;
}
if (context) {
zval *tmpzval;
if (NULL != (tmpzval = php_stream_context_get_option(
context, "brotli", "level"))) {
level = zval_get_long(tmpzval);
}
}
if (level > BROTLI_MAX_QUALITY) {
php_error_docref(NULL, E_WARNING,
"brotli: compression level (%d) must be less than %d",
level, BROTLI_MAX_QUALITY);
level = BROTLI_MAX_QUALITY;
}
self = ecalloc(sizeof(*self), 1);
self->stream = php_stream_open_wrapper(path, mode,
options | REPORT_ERRORS, NULL);
if (!self->stream) {
efree(self);
return NULL;
}
/* File */
if (compress) {
self->dctx = NULL;
if (php_brotli_encoder_create(&self->cctx, level, 0, 0) != SUCCESS) {
php_error_docref(NULL, E_WARNING,
"brotli: compression context failed");
php_stream_close(self->stream);
efree(self);
return NULL;
}
self->available_in = 0;
self->next_in = NULL;
self->available_out = 0;
self->next_out = NULL;
self->output = NULL;
return php_stream_alloc(&php_stream_brotli_write_ops, self, NULL, mode);
} else {
self->cctx = NULL;
if (php_brotli_decoder_create(&self->dctx) != SUCCESS) {
php_error_docref(NULL, E_WARNING,
"brotli: decompression context failed");
php_stream_close(self->stream);
efree(self);
return NULL;
}
self->result = BROTLI_DECODER_RESULT_NEEDS_MORE_INPUT;
self->available_in = 0;
self->next_in = NULL;
self->available_out = 0;
self->next_out = NULL;
self->output = NULL;
return php_stream_alloc(&php_stream_brotli_read_ops, self, NULL, mode);
}
return NULL;
}
static php_stream_wrapper_ops brotli_stream_wops = {
php_stream_brotli_opener,
NULL, /* close */
NULL, /* fstat */
NULL, /* stat */
NULL, /* opendir */
STREAM_NAME,
NULL, /* unlink */
NULL, /* rename */
NULL, /* mkdir */
NULL, /* rmdir */
NULL
};
php_stream_wrapper php_stream_brotli_wrapper = {
&brotli_stream_wops,
NULL,
0 /* is_url */
};
ZEND_MINIT_FUNCTION(brotli)
{
ZEND_INIT_MODULE_GLOBALS(brotli, php_brotli_init_globals, NULL);
REGISTER_LONG_CONSTANT("BROTLI_GENERIC", BROTLI_MODE_GENERIC,
CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("BROTLI_TEXT", BROTLI_MODE_TEXT,
CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("BROTLI_FONT", BROTLI_MODE_FONT,
CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("BROTLI_COMPRESS_LEVEL_MIN", BROTLI_MIN_QUALITY,
CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("BROTLI_COMPRESS_LEVEL_MAX", BROTLI_MAX_QUALITY,
CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("BROTLI_COMPRESS_LEVEL_DEFAULT",
BROTLI_DEFAULT_QUALITY,
CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("BROTLI_PROCESS", BROTLI_OPERATION_PROCESS,
CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("BROTLI_FLUSH", BROTLI_OPERATION_FLUSH,
CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("BROTLI_FINISH", BROTLI_OPERATION_FINISH,
CONST_CS | CONST_PERSISTENT);
le_state = zend_register_list_destructors_ex(php_brotli_state_rsrc_dtor,
NULL, "brotli.state",
module_number);
php_output_handler_alias_register(ZEND_STRL(PHP_BROTLI_OUTPUT_HANDLER),
php_brotli_output_handler_init);
php_output_handler_conflict_register(ZEND_STRL(PHP_BROTLI_OUTPUT_HANDLER),
php_brotli_output_conflict);
REGISTER_INI_ENTRIES();
php_register_url_stream_wrapper(STREAM_NAME,
&php_stream_brotli_wrapper);
#if defined(HAVE_APCU_SUPPORT)
apc_register_serializer("brotli",
APC_SERIALIZER_NAME(brotli),
APC_UNSERIALIZER_NAME(brotli),
NULL);
#endif
return SUCCESS;
}
ZEND_MSHUTDOWN_FUNCTION(brotli)
{
UNREGISTER_INI_ENTRIES();
return SUCCESS;
}
ZEND_RINIT_FUNCTION(brotli)
{
BROTLI_G(compression_coding) = 0;
if (!BROTLI_G(handler_registered)) {
BROTLI_G(output_compression) = BROTLI_G(output_compression_default);
php_brotli_output_compression_start();
}
return SUCCESS;
}
ZEND_RSHUTDOWN_FUNCTION(brotli)
{
php_brotli_cleanup_ob_handler_mess();
BROTLI_G(handler_registered) = 0;
return SUCCESS;
}
ZEND_MINFO_FUNCTION(brotli)
{
php_info_print_table_start();
php_info_print_table_row(2, "Brotli support", "enabled");
php_info_print_table_row(2, "Extension Version", BROTLI_EXT_VERSION);
#ifdef BROTLI_LIB_VERSION
php_info_print_table_row(2, "Library Version", BROTLI_LIB_VERSION);
#else
uint32_t version = BrotliEncoderVersion();
char buffer[64];
snprintf(buffer, sizeof(buffer), "%d.%d.%d",
version >> 24, (version >> 12) & 0xfff, version & 0xfff);
php_info_print_table_row(2, "Library Version", buffer);
#endif
#if defined(HAVE_APCU_SUPPORT)
php_info_print_table_row(2, "APCu serializer ABI", APC_SERIALIZER_ABI);
#endif
php_info_print_table_end();
}
#if defined(HAVE_APCU_SUPPORT)
static const zend_module_dep brotli_module_deps[] = {
ZEND_MOD_OPTIONAL("apcu")
ZEND_MOD_END
};
#endif
zend_module_entry brotli_module_entry = {
#if defined(HAVE_APCU_SUPPORT)
STANDARD_MODULE_HEADER_EX,
NULL,
brotli_module_deps,
#else
STANDARD_MODULE_HEADER,
#endif
"brotli",
brotli_functions,
ZEND_MINIT(brotli),
ZEND_MSHUTDOWN(brotli),
ZEND_RINIT(brotli),
ZEND_RSHUTDOWN(brotli),
ZEND_MINFO(brotli),
BROTLI_EXT_VERSION,
STANDARD_MODULE_PROPERTIES
};
#ifdef COMPILE_DL_BROTLI
#if defined(ZTS)
ZEND_TSRMLS_CACHE_DEFINE()
#endif
ZEND_GET_MODULE(brotli)
#endif
static ZEND_FUNCTION(brotli_compress)
{
char *in;
size_t in_size;
zend_long quality = BROTLI_DEFAULT_QUALITY;
zend_long mode = BROTLI_MODE_GENERIC;
ZEND_PARSE_PARAMETERS_START(1, 3)
Z_PARAM_STRING(in, in_size)
Z_PARAM_OPTIONAL
Z_PARAM_LONG(quality)
Z_PARAM_LONG(mode)