--- /dev/null
+/*
+ +--------------------------------------------------------------------+
+ | PECL :: http |
+ +--------------------------------------------------------------------+
+ | Redistribution and use in source and binary forms, with or without |
+ | modification, are permitted provided that the conditions mentioned |
+ | in the accompanying LICENSE file are met. |
+ +--------------------------------------------------------------------+
+ | Copyright (c) 2004-2014, Michael Wallner <mike@php.net> |
+ +--------------------------------------------------------------------+
+*/
+
+#include "php_http_api.h"
+
+#define PHP_HTTP_INFLATE_ROUNDS 100
+#define PHP_HTTP_INFLATE_BUFFER_SIZE 0x1000
+
+#define PHP_HTTP_DEFLATE_BUFFER_SIZE 0x8000
+
+#define PHP_HTTP_DEFLATE_BUFFER_SIZE_GUESS(S) \
+ (((size_t) ((double) S * (double) 1.015)) + 10 + 8 + 4 + 1)
+
+#define PHP_HTTP_INFLATE_BUFFER_SIZE_GUESS(S) \
+ (((S) + 1) << 3)
+#define PHP_HTTP_INFLATE_BUFFER_SIZE_ALIGN(S) \
+ ((S) += (S) >> (3))
+
+#define PHP_HTTP_INFLATE_FLUSH_FLAG(flags) \
+ PHP_HTTP_ENCODING_STREAM_FLUSH_FLAG((flags), Z_FULL_FLUSH, Z_SYNC_FLUSH, Z_NO_FLUSH)
+#define PHP_HTTP_DEFLATE_FLUSH_FLAG(flags) \
+ PHP_HTTP_ENCODING_STREAM_FLUSH_FLAG((flags), Z_FULL_FLUSH, Z_SYNC_FLUSH, Z_NO_FLUSH)
+
+#define PHP_HTTP_WINDOW_BITS_ZLIB 0x0000000f
+#define PHP_HTTP_WINDOW_BITS_GZIP 0x0000001f
+#define PHP_HTTP_WINDOW_BITS_ANY 0x0000002f
+#define PHP_HTTP_WINDOW_BITS_RAW -0x000000f
+
+#define PHP_HTTP_DEFLATE_LEVEL_SET(flags, level) \
+ switch (flags & 0xf) \
+ { \
+ default: \
+ if ((flags & 0xf) < 10) { \
+ level = flags & 0xf; \
+ break; \
+ } \
+ case PHP_HTTP_DEFLATE_LEVEL_DEF: \
+ level = Z_DEFAULT_COMPRESSION; \
+ break; \
+ }
+
+#define PHP_HTTP_DEFLATE_WBITS_SET(flags, wbits) \
+ switch (flags & 0xf0) \
+ { \
+ case PHP_HTTP_DEFLATE_TYPE_GZIP: \
+ wbits = PHP_HTTP_WINDOW_BITS_GZIP; \
+ break; \
+ case PHP_HTTP_DEFLATE_TYPE_RAW: \
+ wbits = PHP_HTTP_WINDOW_BITS_RAW; \
+ break; \
+ default: \
+ wbits = PHP_HTTP_WINDOW_BITS_ZLIB; \
+ break; \
+ }
+
+#define PHP_HTTP_INFLATE_WBITS_SET(flags, wbits) \
+ if (flags & PHP_HTTP_INFLATE_TYPE_RAW) { \
+ wbits = PHP_HTTP_WINDOW_BITS_RAW; \
+ } else { \
+ wbits = PHP_HTTP_WINDOW_BITS_ANY; \
+ }
+
+#define PHP_HTTP_DEFLATE_STRATEGY_SET(flags, strategy) \
+ switch (flags & 0xf00) \
+ { \
+ case PHP_HTTP_DEFLATE_STRATEGY_FILT: \
+ strategy = Z_FILTERED; \
+ break; \
+ case PHP_HTTP_DEFLATE_STRATEGY_HUFF: \
+ strategy = Z_HUFFMAN_ONLY; \
+ break; \
+ case PHP_HTTP_DEFLATE_STRATEGY_RLE: \
+ strategy = Z_RLE; \
+ break; \
+ case PHP_HTTP_DEFLATE_STRATEGY_FIXED: \
+ strategy = Z_FIXED; \
+ break; \
+ default: \
+ strategy = Z_DEFAULT_STRATEGY; \
+ break; \
+ }
+
+ZEND_RESULT_CODE php_http_encoding_deflate(int flags, const char *data, size_t data_len, char **encoded, size_t *encoded_len)
+{
+ int status, level, wbits, strategy;
+ z_stream Z;
+
+ PHP_HTTP_DEFLATE_LEVEL_SET(flags, level);
+ PHP_HTTP_DEFLATE_WBITS_SET(flags, wbits);
+ PHP_HTTP_DEFLATE_STRATEGY_SET(flags, strategy);
+
+ memset(&Z, 0, sizeof(z_stream));
+ *encoded = NULL;
+ *encoded_len = 0;
+
+ status = deflateInit2(&Z, level, Z_DEFLATED, wbits, MAX_MEM_LEVEL, strategy);
+ if (EXPECTED(Z_OK == status)) {
+ *encoded_len = PHP_HTTP_DEFLATE_BUFFER_SIZE_GUESS(data_len);
+ *encoded = emalloc(*encoded_len);
+
+ Z.next_in = (Bytef *) data;
+ Z.next_out = (Bytef *) *encoded;
+ Z.avail_in = data_len;
+ Z.avail_out = *encoded_len;
+
+ status = deflate(&Z, Z_FINISH);
+ deflateEnd(&Z);
+
+ if (EXPECTED(Z_STREAM_END == status)) {
+ /* size buffer down to actual length */
+ *encoded = erealloc(*encoded, Z.total_out + 1);
+ (*encoded)[*encoded_len = Z.total_out] = '\0';
+ return SUCCESS;
+ } else {
+ PTR_SET(*encoded, NULL);
+ *encoded_len = 0;
+ }
+ }
+
+ php_error_docref(NULL, E_WARNING, "Could not deflate data: %s", zError(status));
+ return FAILURE;
+}
+
+static php_http_encoding_stream_t *deflate_init(php_http_encoding_stream_t *s)
+{
+ int status, level, wbits, strategy, p = (s->flags & PHP_HTTP_ENCODING_STREAM_PERSISTENT);
+ z_streamp ctx = pecalloc(1, sizeof(z_stream), p);
+
+ PHP_HTTP_DEFLATE_LEVEL_SET(s->flags, level);
+ PHP_HTTP_DEFLATE_WBITS_SET(s->flags, wbits);
+ PHP_HTTP_DEFLATE_STRATEGY_SET(s->flags, strategy);
+
+ if (EXPECTED(Z_OK == (status = deflateInit2(ctx, level, Z_DEFLATED, wbits, MAX_MEM_LEVEL, strategy)))) {
+ if (EXPECTED(ctx->opaque = php_http_buffer_init_ex(NULL, PHP_HTTP_DEFLATE_BUFFER_SIZE, p ? PHP_HTTP_BUFFER_INIT_PERSISTENT : 0))) {
+ s->ctx = ctx;
+ return s;
+ }
+ deflateEnd(ctx);
+ status = Z_MEM_ERROR;
+ }
+ pefree(ctx, p);
+ php_error_docref(NULL, E_WARNING, "Failed to initialize deflate encoding stream: %s", zError(status));
+ return NULL;
+}
+
+static php_http_encoding_stream_t *deflate_copy(php_http_encoding_stream_t *from, php_http_encoding_stream_t *to)
+{
+ int status, p = to->flags & PHP_HTTP_ENCODING_STREAM_PERSISTENT;
+ z_streamp from_ctx = from->ctx, to_ctx = pecalloc(1, sizeof(*to_ctx), p);
+
+ if (Z_OK == (status = deflateCopy(to_ctx, from_ctx))) {
+ if ((to_ctx->opaque = php_http_buffer_init_ex(NULL, PHP_HTTP_DEFLATE_BUFFER_SIZE, p ? PHP_HTTP_BUFFER_INIT_PERSISTENT : 0))) {
+ php_http_buffer_append(to_ctx->opaque, PHP_HTTP_BUFFER(from_ctx->opaque)->data, PHP_HTTP_BUFFER(from_ctx->opaque)->used);
+ to->ctx = to_ctx;
+ return to;
+ }
+ deflateEnd(to_ctx);
+ status = Z_MEM_ERROR;
+ }
+ php_error_docref(NULL, E_WARNING, "Failed to copy deflate encoding stream: %s", zError(status));
+ return NULL;
+}
+
+static ZEND_RESULT_CODE deflate_update(php_http_encoding_stream_t *s, const char *data, size_t data_len, char **encoded, size_t *encoded_len)
+{
+ int status;
+ z_streamp ctx = s->ctx;
+
+ /* append input to our buffer */
+ php_http_buffer_append(PHP_HTTP_BUFFER(ctx->opaque), data, data_len);
+
+ ctx->next_in = (Bytef *) PHP_HTTP_BUFFER(ctx->opaque)->data;
+ ctx->avail_in = PHP_HTTP_BUFFER(ctx->opaque)->used;
+
+ /* deflate */
+ *encoded_len = PHP_HTTP_DEFLATE_BUFFER_SIZE_GUESS(data_len);
+ *encoded = emalloc(*encoded_len);
+ ctx->avail_out = *encoded_len;
+ ctx->next_out = (Bytef *) *encoded;
+
+ switch (status = deflate(ctx, PHP_HTTP_DEFLATE_FLUSH_FLAG(s->flags))) {
+ case Z_OK:
+ case Z_STREAM_END:
+ /* cut processed chunk off the buffer */
+ if (ctx->avail_in) {
+ php_http_buffer_cut(PHP_HTTP_BUFFER(ctx->opaque), 0, PHP_HTTP_BUFFER(ctx->opaque)->used - ctx->avail_in);
+ } else {
+ php_http_buffer_reset(PHP_HTTP_BUFFER(ctx->opaque));
+ }
+
+ /* size buffer down to actual size */
+ *encoded_len -= ctx->avail_out;
+ *encoded = erealloc(*encoded, *encoded_len + 1);
+ (*encoded)[*encoded_len] = '\0';
+ return SUCCESS;
+ }
+
+ PTR_SET(*encoded, NULL);
+ *encoded_len = 0;
+ php_error_docref(NULL, E_WARNING, "Failed to update deflate stream: %s", zError(status));
+ return FAILURE;
+}
+
+static ZEND_RESULT_CODE deflate_flush(php_http_encoding_stream_t *s, char **encoded, size_t *encoded_len)
+{
+ int status;
+ z_streamp ctx = s->ctx;
+
+ *encoded_len = PHP_HTTP_DEFLATE_BUFFER_SIZE;
+ *encoded = emalloc(*encoded_len);
+
+ ctx->avail_in = 0;
+ ctx->next_in = NULL;
+ ctx->avail_out = *encoded_len;
+ ctx->next_out = (Bytef *) *encoded;
+
+ status = deflate(ctx, Z_FULL_FLUSH);
+ if (EXPECTED(Z_OK == status || Z_STREAM_END == status)) {
+ *encoded_len = PHP_HTTP_DEFLATE_BUFFER_SIZE - ctx->avail_out;
+ *encoded = erealloc(*encoded, *encoded_len + 1);
+ (*encoded)[*encoded_len] = '\0';
+ return SUCCESS;
+ }
+
+ PTR_SET(*encoded, NULL);
+ *encoded_len = 0;
+ php_error_docref(NULL, E_WARNING, "Failed to flush deflate stream: %s", zError(status));
+ return FAILURE;
+}
+
+static ZEND_RESULT_CODE deflate_finish(php_http_encoding_stream_t *s, char **encoded, size_t *encoded_len)
+{
+ int status;
+ z_streamp ctx = s->ctx;
+
+ *encoded_len = PHP_HTTP_DEFLATE_BUFFER_SIZE;
+ *encoded = emalloc(*encoded_len);
+
+ /* deflate remaining input */
+ ctx->next_in = (Bytef *) PHP_HTTP_BUFFER(ctx->opaque)->data;
+ ctx->avail_in = PHP_HTTP_BUFFER(ctx->opaque)->used;
+
+ ctx->avail_out = *encoded_len;
+ ctx->next_out = (Bytef *) *encoded;
+
+ do {
+ status = deflate(ctx, Z_FINISH);
+ } while (Z_OK == status);
+
+ if (EXPECTED(Z_STREAM_END == status)) {
+ /* cut processed input off */
+ php_http_buffer_cut(PHP_HTTP_BUFFER(ctx->opaque), 0, PHP_HTTP_BUFFER(ctx->opaque)->used - ctx->avail_in);
+
+ /* size down */
+ *encoded_len -= ctx->avail_out;
+ *encoded = erealloc(*encoded, *encoded_len + 1);
+ (*encoded)[*encoded_len] = '\0';
+ return SUCCESS;
+ }
+
+ PTR_SET(*encoded, NULL);
+ *encoded_len = 0;
+ php_error_docref(NULL, E_WARNING, "Failed to finish deflate stream: %s", zError(status));
+ return FAILURE;
+}
+
+static zend_bool deflate_done(php_http_encoding_stream_t *s)
+{
+ z_streamp ctx = s->ctx;
+ return !ctx->avail_in && !PHP_HTTP_BUFFER(ctx->opaque)->used;
+}
+
+static void deflate_dtor(php_http_encoding_stream_t *s)
+{
+ if (EXPECTED(s->ctx)) {
+ z_streamp ctx = s->ctx;
+
+ if (EXPECTED(ctx->opaque)) {
+ php_http_buffer_free((php_http_buffer_t **) &ctx->opaque);
+ }
+ deflateEnd(ctx);
+ pefree(ctx, (s->flags & PHP_HTTP_ENCODING_STREAM_PERSISTENT));
+ s->ctx = NULL;
+ }
+}
+
+static inline int php_http_inflate_rounds(z_stream *Z, int flush, char **buf, size_t *len)
+{
+ int status = 0, round = 0;
+ php_http_buffer_t buffer;
+
+ *buf = NULL;
+ *len = 0;
+
+ php_http_buffer_init_ex(&buffer, Z->avail_in, PHP_HTTP_BUFFER_INIT_PREALLOC);
+
+ do {
+ if (UNEXPECTED(PHP_HTTP_BUFFER_NOMEM == php_http_buffer_resize_ex(&buffer, buffer.size, 0, 1))) {
+ status = Z_MEM_ERROR;
+ } else {
+ Z->avail_out = buffer.free;
+ Z->next_out = (Bytef *) buffer.data + buffer.used;
+#if 0
+ fprintf(stderr, "\n%3d: %3d PRIOR: size=%7lu,\tfree=%7lu,\tused=%7lu,\tavail_in=%7lu,\tavail_out=%7lu\n", round, status, buffer.size, buffer.free, buffer.used, Z->avail_in, Z->avail_out);
+#endif
+ status = inflate(Z, flush);
+ php_http_buffer_account(&buffer, buffer.free - Z->avail_out);
+#if 0
+ fprintf(stderr, "%3d: %3d AFTER: size=%7lu,\tfree=%7lu,\tused=%7lu,\tavail_in=%7lu,\tavail_out=%7lu\n", round, status, buffer.size, buffer.free, buffer.used, Z->avail_in, Z->avail_out);
+#endif
+ PHP_HTTP_INFLATE_BUFFER_SIZE_ALIGN(buffer.size);
+ }
+ } while ((Z_BUF_ERROR == status || (Z_OK == status && Z->avail_in)) && ++round < PHP_HTTP_INFLATE_ROUNDS);
+
+ if (EXPECTED(status == Z_OK || status == Z_STREAM_END)) {
+ php_http_buffer_shrink(&buffer);
+ php_http_buffer_fix(&buffer);
+ *buf = buffer.data;
+ *len = buffer.used;
+ } else {
+ php_http_buffer_dtor(&buffer);
+ }
+
+ return status;
+}
+
+ZEND_RESULT_CODE php_http_encoding_inflate(const char *data, size_t data_len, char **decoded, size_t *decoded_len)
+{
+ z_stream Z;
+ int status, wbits = PHP_HTTP_WINDOW_BITS_ANY;
+
+ memset(&Z, 0, sizeof(z_stream));
+
+retry_raw_inflate:
+ status = inflateInit2(&Z, wbits);
+ if (EXPECTED(Z_OK == status)) {
+ Z.next_in = (Bytef *) data;
+ Z.avail_in = data_len + 1; /* include the terminating NULL, see #61287 */
+
+ switch (status = php_http_inflate_rounds(&Z, Z_NO_FLUSH, decoded, decoded_len)) {
+ case Z_STREAM_END:
+ inflateEnd(&Z);
+ return SUCCESS;
+
+ case Z_OK:
+ status = Z_DATA_ERROR;
+ break;
+
+ case Z_DATA_ERROR:
+ /* raw deflated data? */
+ if (PHP_HTTP_WINDOW_BITS_ANY == wbits) {
+ inflateEnd(&Z);
+ wbits = PHP_HTTP_WINDOW_BITS_RAW;
+ goto retry_raw_inflate;
+ }
+ break;
+ }
+ inflateEnd(&Z);
+
+ if (*decoded_len && *decoded) {
+ efree(*decoded);
+ }
+ }
+
+ php_error_docref(NULL, E_WARNING, "Could not inflate data: %s", zError(status));
+ return FAILURE;
+}
+
+static php_http_encoding_stream_t *inflate_init(php_http_encoding_stream_t *s)
+{
+ int status, wbits, p = (s->flags & PHP_HTTP_ENCODING_STREAM_PERSISTENT);
+ z_streamp ctx = pecalloc(1, sizeof(z_stream), p);
+
+ PHP_HTTP_INFLATE_WBITS_SET(s->flags, wbits);
+
+ if (EXPECTED(Z_OK == (status = inflateInit2(ctx, wbits)))) {
+ if ((ctx->opaque = php_http_buffer_init_ex(NULL, PHP_HTTP_DEFLATE_BUFFER_SIZE, p ? PHP_HTTP_BUFFER_INIT_PERSISTENT : 0))) {
+ s->ctx = ctx;
+ return s;
+ }
+ inflateEnd(ctx);
+ status = Z_MEM_ERROR;
+ }
+ pefree(ctx, p);
+ php_error_docref(NULL, E_WARNING, "Failed to initialize inflate stream: %s", zError(status));
+ return NULL;
+}
+
+static php_http_encoding_stream_t *inflate_copy(php_http_encoding_stream_t *from, php_http_encoding_stream_t *to)
+{
+ int status, p = from->flags & PHP_HTTP_ENCODING_STREAM_PERSISTENT;
+ z_streamp from_ctx = from->ctx, to_ctx = pecalloc(1, sizeof(*to_ctx), p);
+
+ if (Z_OK == (status = inflateCopy(to_ctx, from_ctx))) {
+ if ((to_ctx->opaque = php_http_buffer_init_ex(NULL, PHP_HTTP_DEFLATE_BUFFER_SIZE, p ? PHP_HTTP_BUFFER_INIT_PERSISTENT : 0))) {
+ php_http_buffer_append(to_ctx->opaque, PHP_HTTP_BUFFER(from_ctx->opaque)->data, PHP_HTTP_BUFFER(from_ctx->opaque)->used);
+ to->ctx = to_ctx;
+ return to;
+ }
+ inflateEnd(to_ctx);
+ status = Z_MEM_ERROR;
+ }
+ php_error_docref(NULL, E_WARNING, "Failed to copy inflate encoding stream: %s", zError(status));
+ return NULL;
+}
+
+static ZEND_RESULT_CODE inflate_update(php_http_encoding_stream_t *s, const char *data, size_t data_len, char **decoded, size_t *decoded_len)
+{
+ int status;
+ z_streamp ctx = s->ctx;
+
+ /* append input to buffer */
+ php_http_buffer_append(PHP_HTTP_BUFFER(ctx->opaque), data, data_len);
+
+retry_raw_inflate:
+ ctx->next_in = (Bytef *) PHP_HTTP_BUFFER(ctx->opaque)->data;
+ ctx->avail_in = PHP_HTTP_BUFFER(ctx->opaque)->used;
+
+ switch (status = php_http_inflate_rounds(ctx, PHP_HTTP_INFLATE_FLUSH_FLAG(s->flags), decoded, decoded_len)) {
+ case Z_OK:
+ case Z_STREAM_END:
+ /* cut off */
+ if (ctx->avail_in) {
+ php_http_buffer_cut(PHP_HTTP_BUFFER(ctx->opaque), 0, PHP_HTTP_BUFFER(ctx->opaque)->used - ctx->avail_in);
+ } else {
+ php_http_buffer_reset(PHP_HTTP_BUFFER(ctx->opaque));
+ }
+ return SUCCESS;
+
+ case Z_DATA_ERROR:
+ /* raw deflated data ? */
+ if (!(s->flags & PHP_HTTP_INFLATE_TYPE_RAW) && !ctx->total_out) {
+ inflateEnd(ctx);
+ s->flags |= PHP_HTTP_INFLATE_TYPE_RAW;
+ inflateInit2(ctx, PHP_HTTP_WINDOW_BITS_RAW);
+ goto retry_raw_inflate;
+ }
+ break;
+ }
+
+ php_error_docref(NULL, E_WARNING, "Failed to update inflate stream: %s", zError(status));
+ return FAILURE;
+}
+
+static ZEND_RESULT_CODE inflate_finish(php_http_encoding_stream_t *s, char **decoded, size_t *decoded_len)
+{
+ int status;
+ z_streamp ctx = s->ctx;
+
+ if (!PHP_HTTP_BUFFER(ctx->opaque)->used) {
+ *decoded = NULL;
+ *decoded_len = 0;
+ return SUCCESS;
+ }
+
+ *decoded_len = (PHP_HTTP_BUFFER(ctx->opaque)->used + 1) * PHP_HTTP_INFLATE_ROUNDS;
+ *decoded = emalloc(*decoded_len);
+
+ /* inflate remaining input */
+ ctx->next_in = (Bytef *) PHP_HTTP_BUFFER(ctx->opaque)->data;
+ ctx->avail_in = PHP_HTTP_BUFFER(ctx->opaque)->used;
+
+ ctx->avail_out = *decoded_len;
+ ctx->next_out = (Bytef *) *decoded;
+
+ if (Z_STREAM_END == (status = inflate(ctx, Z_FINISH))) {
+ /* cut processed input off */
+ php_http_buffer_cut(PHP_HTTP_BUFFER(ctx->opaque), 0, PHP_HTTP_BUFFER(ctx->opaque)->used - ctx->avail_in);
+
+ /* size down */
+ *decoded_len -= ctx->avail_out;
+ *decoded = erealloc(*decoded, *decoded_len + 1);
+ (*decoded)[*decoded_len] = '\0';
+ return SUCCESS;
+ }
+
+ PTR_SET(*decoded, NULL);
+ *decoded_len = 0;
+ php_error_docref(NULL, E_WARNING, "Failed to finish inflate stream: %s", zError(status));
+ return FAILURE;
+}
+
+static zend_bool inflate_done(php_http_encoding_stream_t *s)
+{
+ z_streamp ctx = s->ctx;
+ return !ctx->avail_in && !PHP_HTTP_BUFFER(ctx->opaque)->used;
+}
+
+static void inflate_dtor(php_http_encoding_stream_t *s)
+{
+ if (EXPECTED(s->ctx)) {
+ z_streamp ctx = s->ctx;
+
+ if (EXPECTED(ctx->opaque)) {
+ php_http_buffer_free((php_http_buffer_t **) &ctx->opaque);
+ }
+ inflateEnd(ctx);
+ pefree(ctx, (s->flags & PHP_HTTP_ENCODING_STREAM_PERSISTENT));
+ s->ctx = NULL;
+ }
+}
+
+static php_http_encoding_stream_ops_t php_http_encoding_deflate_ops = {
+ deflate_init,
+ deflate_copy,
+ deflate_update,
+ deflate_flush,
+ deflate_done,
+ deflate_finish,
+ deflate_dtor
+};
+
+php_http_encoding_stream_ops_t *php_http_encoding_stream_get_deflate_ops(void)
+{
+ return &php_http_encoding_deflate_ops;
+}
+
+static php_http_encoding_stream_ops_t php_http_encoding_inflate_ops = {
+ inflate_init,
+ inflate_copy,
+ inflate_update,
+ NULL,
+ inflate_done,
+ inflate_finish,
+ inflate_dtor
+};
+
+php_http_encoding_stream_ops_t *php_http_encoding_stream_get_inflate_ops(void)
+{
+ return &php_http_encoding_inflate_ops;
+}
+
+static zend_class_entry *php_http_deflate_stream_class_entry;
+zend_class_entry *php_http_get_deflate_stream_class_entry(void)
+{
+ return php_http_deflate_stream_class_entry;
+}
+
+static zend_class_entry *php_http_inflate_stream_class_entry;
+zend_class_entry *php_http_get_inflate_stream_class_entry(void)
+{
+ return php_http_inflate_stream_class_entry;
+}
+
+
+ZEND_BEGIN_ARG_INFO_EX(ai_HttpDeflateStream_encode, 0, 0, 1)
+ ZEND_ARG_INFO(0, data)
+ ZEND_ARG_INFO(0, flags)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(HttpDeflateStream, encode)
+{
+ char *str;
+ size_t len;
+ zend_long flags = 0;
+
+ if (SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS(), "s|l", &str, &len, &flags)) {
+ char *enc_str = NULL;
+ size_t enc_len;
+
+ if (SUCCESS == php_http_encoding_deflate(flags, str, len, &enc_str, &enc_len)) {
+ if (enc_str) {
+ RETURN_STR(php_http_cs2zs(enc_str, enc_len));
+ } else {
+ RETURN_EMPTY_STRING();
+ }
+ }
+ }
+ RETURN_FALSE;
+}
+
+static zend_function_entry php_http_deflate_stream_methods[] = {
+ PHP_ME(HttpDeflateStream, encode, ai_HttpDeflateStream_encode, ZEND_ACC_PUBLIC|ZEND_ACC_STATIC)
+ EMPTY_FUNCTION_ENTRY
+};
+
+ZEND_BEGIN_ARG_INFO_EX(ai_HttpInflateStream_decode, 0, 0, 1)
+ ZEND_ARG_INFO(0, data)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(HttpInflateStream, decode)
+{
+ char *str;
+ size_t len;
+
+ if (SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS(), "s", &str, &len)) {
+ char *enc_str = NULL;
+ size_t enc_len;
+
+ if (SUCCESS == php_http_encoding_inflate(str, len, &enc_str, &enc_len)) {
+ if (enc_str) {
+ RETURN_STR(php_http_cs2zs(enc_str, enc_len));
+ } else {
+ RETURN_EMPTY_STRING();
+ }
+ }
+ }
+ RETURN_FALSE;
+}
+
+static zend_function_entry php_http_inflate_stream_methods[] = {
+ PHP_ME(HttpInflateStream, decode, ai_HttpInflateStream_decode, ZEND_ACC_PUBLIC|ZEND_ACC_STATIC)
+ EMPTY_FUNCTION_ENTRY
+};
+
+PHP_MINIT_FUNCTION(http_encoding_zlib)
+{
+ zend_class_entry ce;
+
+ memset(&ce, 0, sizeof(ce));
+ INIT_NS_CLASS_ENTRY(ce, "http\\Encoding\\Stream", "Deflate", php_http_deflate_stream_methods);
+ php_http_deflate_stream_class_entry = zend_register_internal_class_ex(&ce, php_http_get_encoding_stream_class_entry());
+ php_http_deflate_stream_class_entry->create_object = php_http_encoding_stream_object_new;
+
+ zend_declare_class_constant_long(php_http_deflate_stream_class_entry, ZEND_STRL("TYPE_GZIP"), PHP_HTTP_DEFLATE_TYPE_GZIP);
+ zend_declare_class_constant_long(php_http_deflate_stream_class_entry, ZEND_STRL("TYPE_ZLIB"), PHP_HTTP_DEFLATE_TYPE_ZLIB);
+ zend_declare_class_constant_long(php_http_deflate_stream_class_entry, ZEND_STRL("TYPE_RAW"), PHP_HTTP_DEFLATE_TYPE_RAW);
+ zend_declare_class_constant_long(php_http_deflate_stream_class_entry, ZEND_STRL("LEVEL_DEF"), PHP_HTTP_DEFLATE_LEVEL_DEF);
+ zend_declare_class_constant_long(php_http_deflate_stream_class_entry, ZEND_STRL("LEVEL_MIN"), PHP_HTTP_DEFLATE_LEVEL_MIN);
+ zend_declare_class_constant_long(php_http_deflate_stream_class_entry, ZEND_STRL("LEVEL_MAX"), PHP_HTTP_DEFLATE_LEVEL_MAX);
+ zend_declare_class_constant_long(php_http_deflate_stream_class_entry, ZEND_STRL("STRATEGY_DEF"), PHP_HTTP_DEFLATE_STRATEGY_DEF);
+ zend_declare_class_constant_long(php_http_deflate_stream_class_entry, ZEND_STRL("STRATEGY_FILT"), PHP_HTTP_DEFLATE_STRATEGY_FILT);
+ zend_declare_class_constant_long(php_http_deflate_stream_class_entry, ZEND_STRL("STRATEGY_HUFF"), PHP_HTTP_DEFLATE_STRATEGY_HUFF);
+ zend_declare_class_constant_long(php_http_deflate_stream_class_entry, ZEND_STRL("STRATEGY_RLE"), PHP_HTTP_DEFLATE_STRATEGY_RLE);
+ zend_declare_class_constant_long(php_http_deflate_stream_class_entry, ZEND_STRL("STRATEGY_FIXED"), PHP_HTTP_DEFLATE_STRATEGY_FIXED);
+
+ memset(&ce, 0, sizeof(ce));
+ INIT_NS_CLASS_ENTRY(ce, "http\\Encoding\\Stream", "Inflate", php_http_inflate_stream_methods);
+ php_http_inflate_stream_class_entry = zend_register_internal_class_ex(&ce, php_http_get_encoding_stream_class_entry());
+ php_http_inflate_stream_class_entry->create_object = php_http_encoding_stream_object_new;
+
+ return SUCCESS;
+}
+
+/*
+ * Local variables:
+ * tab-width: 4
+ * c-basic-offset: 4
+ * End:
+ * vim600: noet sw=4 ts=4 fdm=marker
+ * vim<600: noet sw=4 ts=4
+ */
+