| modification, are permitted provided that the conditions mentioned |
| in the accompanying LICENSE file are met. |
+--------------------------------------------------------------------+
- | Copyright (c) 2004-2005, Michael Wallner <mike@php.net> |
+ | Copyright (c) 2004-2010, Michael Wallner <mike@php.net> |
+--------------------------------------------------------------------+
*/
/* $Id$ */
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
+#define HTTP_WANT_ZLIB
#include "php_http.h"
#ifdef ZEND_ENGINE_2
#include "php_streams.h"
#include "php_http_api.h"
+#include "php_http_encoding_api.h"
#include "php_http_filter_api.h"
PHP_MINIT_FUNCTION(http_filter)
-
*/
-typedef struct {
- phpstr buffer;
- ulong hexlen;
-} http_filter_buffer;
-
#define HTTP_FILTER_PARAMS \
php_stream *stream, \
php_stream_filter *this, \
http_filter_ ##filter
#define HTTP_FILTER_FUNCTION(filter) \
php_stream_filter_status_t HTTP_FILTER_FUNC(filter)(HTTP_FILTER_PARAMS)
+#define HTTP_FILTER_BUFFER(filter) \
+ http_filter_ ##filter## _buffer
#define NEW_BUCKET(data, length) \
{ \
php_stream_bucket_append(buckets_out, __buck TSRMLS_CC); \
}
+typedef struct _http_chunked_decode_filter_buffer_t {
+ phpstr buffer;
+ ulong hexlen;
+} HTTP_FILTER_BUFFER(chunked_decode);
+
+#ifdef HTTP_HAVE_ZLIB
+typedef http_encoding_stream HTTP_FILTER_BUFFER(deflate);
+typedef http_encoding_stream HTTP_FILTER_BUFFER(inflate);
+#endif /* HTTP_HAVE_ZLIB */
+
+
static HTTP_FILTER_FUNCTION(chunked_decode)
{
int out_avail = 0;
php_stream_bucket *ptr, *nxt;
- http_filter_buffer *buffer = (http_filter_buffer *) (this->abstract);
+ HTTP_FILTER_BUFFER(chunked_decode) *buffer = (HTTP_FILTER_BUFFER(chunked_decode) *) (this->abstract);
if (bytes_consumed) {
*bytes_consumed = 0;
*bytes_consumed += ptr->buflen;
}
- if ((size_t) -1 == phpstr_append(PHPSTR(buffer), ptr->buf, ptr->buflen)) {
+ if (PHPSTR_NOMEM == phpstr_append(PHPSTR(buffer), ptr->buf, ptr->buflen)) {
return PSFS_ERR_FATAL;
}
if (PHPSTR_LEN(buffer) < buffer->hexlen) {
/* flush anyway? */
- if (flags == PSFS_FLAG_FLUSH_INC) {
+ if (flags & PSFS_FLAG_FLUSH_INC) {
/* flush all data (should only be chunk data) */
out_avail = 1;
/* ignore preceeding CRLFs (too loose?) */
while (off < PHPSTR_LEN(buffer) && (
- PHPSTR_VAL(buffer)[off] == 0xa ||
- PHPSTR_VAL(buffer)[off] == 0xd)) {
+ PHPSTR_VAL(buffer)[off] == '\n' ||
+ PHPSTR_VAL(buffer)[off] == '\r')) {
++off;
}
if (off) {
}
/* flush before close, but only if we are already waiting for more data */
- if (flags == PSFS_FLAG_FLUSH_CLOSE && buffer->hexlen && PHPSTR_LEN(buffer)) {
+ if ((flags & PSFS_FLAG_FLUSH_CLOSE) && buffer->hexlen && PHPSTR_LEN(buffer)) {
out_avail = 1;
NEW_BUCKET(PHPSTR_VAL(buffer), PHPSTR_LEN(buffer));
phpstr_reset(PHPSTR(buffer));
static HTTP_FILTER_DESTRUCTOR(chunked_decode)
{
- http_filter_buffer *b = (http_filter_buffer *) (this->abstract);
+ HTTP_FILTER_BUFFER(chunked_decode) *b = (HTTP_FILTER_BUFFER(chunked_decode) *) (this->abstract);
phpstr_dtor(PHPSTR(b));
pefree(b, this->is_persistent);
}
/* terminate with "0" */
- if (flags == PSFS_FLAG_FLUSH_CLOSE) {
+ if (flags & PSFS_FLAG_FLUSH_CLOSE) {
out_avail = 1;
NEW_BUCKET("0" HTTP_CRLF, lenof("0" HTTP_CRLF));
}
"http.chunked_encode"
};
+#ifdef HTTP_HAVE_ZLIB
+
+static HTTP_FILTER_FUNCTION(deflate)
+{
+ int out_avail = 0;
+ php_stream_bucket *ptr, *nxt;
+ HTTP_FILTER_BUFFER(inflate) *buffer = (HTTP_FILTER_BUFFER(deflate) *) this->abstract;
+
+ if (bytes_consumed) {
+ *bytes_consumed = 0;
+ }
+
+ /* new data available? */
+ if (buckets_in->head) {
+
+ /* fetch available bucket data */
+ for (ptr = buckets_in->head; ptr; ptr = nxt) {
+ char *encoded = NULL;
+ size_t encoded_len = 0;
+
+ nxt = ptr->next;
+ if (bytes_consumed) {
+ *bytes_consumed += ptr->buflen;
+ }
+
+ if (ptr->buflen) {
+ http_encoding_deflate_stream_update(buffer, ptr->buf, ptr->buflen, &encoded, &encoded_len);
+ if (encoded) {
+ if (encoded_len) {
+ out_avail = 1;
+ NEW_BUCKET(encoded, encoded_len);
+ }
+ efree(encoded);
+ }
+ }
+
+ php_stream_bucket_unlink(ptr TSRMLS_CC);
+ php_stream_bucket_delref(ptr TSRMLS_CC);
+ }
+ }
+
+ /* flush & close */
+ if (flags & PSFS_FLAG_FLUSH_INC) {
+ char *encoded = NULL;
+ size_t encoded_len = 0;
+
+ http_encoding_deflate_stream_flush(buffer, &encoded, &encoded_len);
+ if (encoded) {
+ if (encoded_len) {
+ out_avail = 1;
+ NEW_BUCKET(encoded, encoded_len);
+ }
+ efree(encoded);
+ }
+ }
+
+ if (flags & PSFS_FLAG_FLUSH_CLOSE) {
+ char *encoded = NULL;
+ size_t encoded_len = 0;
+
+ http_encoding_deflate_stream_finish(buffer, &encoded, &encoded_len);
+ if (encoded) {
+ if (encoded_len) {
+ out_avail = 1;
+ NEW_BUCKET(encoded, encoded_len);
+ }
+ efree(encoded);
+ }
+ }
+
+ return out_avail ? PSFS_PASS_ON : PSFS_FEED_ME;
+}
+
+static HTTP_FILTER_FUNCTION(inflate)
+{
+ int out_avail = 0;
+ php_stream_bucket *ptr, *nxt;
+ HTTP_FILTER_BUFFER(inflate) *buffer = (HTTP_FILTER_BUFFER(inflate) *) this->abstract;
+
+ if (bytes_consumed) {
+ *bytes_consumed = 0;
+ }
+
+ /* new data available? */
+ if (buckets_in->head) {
+
+ /* fetch available bucket data */
+ for (ptr = buckets_in->head; ptr; ptr = nxt) {
+ char *decoded = NULL;
+ size_t decoded_len = 0;
+
+ nxt = ptr->next;
+ if (bytes_consumed) {
+ *bytes_consumed += ptr->buflen;
+ }
+
+ if (ptr->buflen) {
+ http_encoding_inflate_stream_update(buffer, ptr->buf, ptr->buflen, &decoded, &decoded_len);
+ if (decoded) {
+ if (decoded_len) {
+ out_avail = 1;
+ NEW_BUCKET(decoded, decoded_len);
+ }
+ efree(decoded);
+ }
+ }
+
+ php_stream_bucket_unlink(ptr TSRMLS_CC);
+ php_stream_bucket_delref(ptr TSRMLS_CC);
+ }
+ }
+
+ /* flush & close */
+ if (flags & PSFS_FLAG_FLUSH_INC) {
+ char *decoded = NULL;
+ size_t decoded_len = 0;
+
+ http_encoding_inflate_stream_flush(buffer, &decoded, &decoded_len);
+ if (decoded) {
+ if (decoded_len) {
+ out_avail = 1;
+ NEW_BUCKET(decoded, decoded_len);
+ }
+ efree(decoded);
+ }
+ }
+
+ if (flags & PSFS_FLAG_FLUSH_CLOSE) {
+ char *decoded = NULL;
+ size_t decoded_len = 0;
+
+ http_encoding_inflate_stream_finish(buffer, &decoded, &decoded_len);
+ if (decoded) {
+ if (decoded_len) {
+ out_avail = 1;
+ NEW_BUCKET(decoded, decoded_len);
+ }
+ efree(decoded);
+ }
+ }
+
+ return out_avail ? PSFS_PASS_ON : PSFS_FEED_ME;
+}
+
+static HTTP_FILTER_DESTRUCTOR(deflate)
+{
+ HTTP_FILTER_BUFFER(deflate) *buffer = (HTTP_FILTER_BUFFER(deflate) *) this->abstract;
+ http_encoding_deflate_stream_free(&buffer);
+}
+
+static HTTP_FILTER_DESTRUCTOR(inflate)
+{
+ HTTP_FILTER_BUFFER(inflate) *buffer = (HTTP_FILTER_BUFFER(inflate) *) this->abstract;
+ http_encoding_inflate_stream_free(&buffer);
+}
+
+static HTTP_FILTER_OPS(deflate) = {
+ HTTP_FILTER_FUNC(deflate),
+ HTTP_FILTER_DTOR(deflate),
+ "http.deflate"
+};
+
+static HTTP_FILTER_OPS(inflate) = {
+ HTTP_FILTER_FUNC(inflate),
+ HTTP_FILTER_DTOR(inflate),
+ "http.inflate"
+};
+
+#endif /* HTTP_HAVE_ZLIB */
+
static php_stream_filter *http_filter_create(const char *name, zval *params, int p TSRMLS_DC)
{
+ zval **tmp = ¶ms;
php_stream_filter *f = NULL;
if (!strcasecmp(name, "http.chunked_decode")) {
- http_filter_buffer *b = NULL;
+ HTTP_FILTER_BUFFER(chunked_decode) *b = NULL;
- if ((b = pecalloc(1, sizeof(http_filter_buffer), p))) {
+ if ((b = pecalloc(1, sizeof(HTTP_FILTER_BUFFER(chunked_decode)), p))) {
phpstr_init_ex(PHPSTR(b), 4096, p ? PHPSTR_INIT_PERSISTENT : 0);
if (!(f = php_stream_filter_alloc(&HTTP_FILTER_OP(chunked_decode), b, p))) {
pefree(b, p);
if (!strcasecmp(name, "http.chunked_encode")) {
f = php_stream_filter_alloc(&HTTP_FILTER_OP(chunked_encode), NULL, p);
+#ifdef HTTP_HAVE_ZLIB
+ } else
+
+ if (!strcasecmp(name, "http.inflate")) {
+ int flags = p ? HTTP_ENCODING_STREAM_PERSISTENT : 0;
+ HTTP_FILTER_BUFFER(inflate) *b = NULL;
+
+ if ((b = http_encoding_inflate_stream_init(NULL, flags))) {
+ if (!(f = php_stream_filter_alloc(&HTTP_FILTER_OP(inflate), b, p))) {
+ http_encoding_inflate_stream_free(&b);
+ }
+ }
+ } else
+
+ if (!strcasecmp(name, "http.deflate")) {
+ int flags = p ? HTTP_ENCODING_STREAM_PERSISTENT : 0;
+ HTTP_FILTER_BUFFER(deflate) *b = NULL;
+
+ if (params) {
+ switch (Z_TYPE_P(params)) {
+ case IS_ARRAY:
+ case IS_OBJECT:
+ if (SUCCESS != zend_hash_find(HASH_OF(params), "flags", sizeof("flags"), (void *) &tmp)) {
+ break;
+ }
+ default:
+ {
+ zval *num = http_zsep(IS_LONG, *tmp);
+
+ flags |= (Z_LVAL_P(num) & 0x0fffffff);
+ zval_ptr_dtor(&num);
+ }
+ }
+ }
+ if ((b = http_encoding_deflate_stream_init(NULL, flags))) {
+ if (!(f = php_stream_filter_alloc(&HTTP_FILTER_OP(deflate), b, p))) {
+ http_encoding_deflate_stream_free(&b);
+ }
+ }
+#endif /* HTTP_HAVE_ZLIB */
}
return f;