+++ /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"
-
-#ifndef DBG_FILTER
-# define DBG_FILTER 0
-#endif
-
-PHP_MINIT_FUNCTION(http_filter)
-{
- php_stream_filter_register_factory("http.*", &php_http_filter_factory TSRMLS_CC);
- return SUCCESS;
-}
-
-#define PHP_HTTP_FILTER_PARAMS \
- php_stream *stream, \
- php_stream_filter *this, \
- php_stream_bucket_brigade *buckets_in, \
- php_stream_bucket_brigade *buckets_out, \
- size_t *bytes_consumed, int flags \
- TSRMLS_DC
-#define PHP_HTTP_FILTER_OP(filter) \
- http_filter_op_ ##filter
-#define PHP_HTTP_FILTER_OPS(filter) \
- php_stream_filter_ops PHP_HTTP_FILTER_OP(filter)
-#define PHP_HTTP_FILTER_DTOR(filter) \
- http_filter_ ##filter## _dtor
-#define PHP_HTTP_FILTER_DESTRUCTOR(filter) \
- void PHP_HTTP_FILTER_DTOR(filter)(php_stream_filter *this TSRMLS_DC)
-#define PHP_HTTP_FILTER_FUNC(filter) \
- http_filter_ ##filter
-#define PHP_HTTP_FILTER_FUNCTION(filter) \
- php_stream_filter_status_t PHP_HTTP_FILTER_FUNC(filter)(PHP_HTTP_FILTER_PARAMS)
-#define PHP_HTTP_FILTER_BUFFER(filter) \
- http_filter_ ##filter## _buffer
-
-#define PHP_HTTP_FILTER_IS_CLOSING(stream, flags) \
- ( (flags & PSFS_FLAG_FLUSH_CLOSE) \
- || php_stream_eof(stream) \
- || ((stream->ops == &php_stream_temp_ops || stream->ops == &php_stream_memory_ops) && stream->eof) \
- )
-
-#define NEW_BUCKET(data, length) \
- { \
- char *__data; \
- php_stream_bucket *__buck; \
- \
- __data = pemalloc(length, this->is_persistent); \
- if (!__data) { \
- return PSFS_ERR_FATAL; \
- } \
- memcpy(__data, data, length); \
- \
- __buck = php_stream_bucket_new(stream, __data, length, 1, this->is_persistent TSRMLS_CC); \
- if (!__buck) { \
- pefree(__data, this->is_persistent); \
- return PSFS_ERR_FATAL; \
- } \
- \
- php_stream_bucket_append(buckets_out, __buck TSRMLS_CC); \
- }
-
-typedef struct _http_chunked_decode_filter_buffer_t {
- php_http_buffer_t buffer;
- ulong hexlen;
-} PHP_HTTP_FILTER_BUFFER(chunked_decode);
-
-typedef php_http_encoding_stream_t PHP_HTTP_FILTER_BUFFER(zlib);
-
-static PHP_HTTP_FILTER_FUNCTION(chunked_decode)
-{
- int out_avail = 0;
- php_stream_bucket *ptr, *nxt;
- PHP_HTTP_FILTER_BUFFER(chunked_decode) *buffer = (PHP_HTTP_FILTER_BUFFER(chunked_decode) *) (this->abstract);
-
- if (bytes_consumed) {
- *bytes_consumed = 0;
- }
-
- /* fetch available bucket data */
- for (ptr = buckets_in->head; ptr; ptr = nxt) {
- if (bytes_consumed) {
- *bytes_consumed += ptr->buflen;
- }
-
- if (PHP_HTTP_BUFFER_NOMEM == php_http_buffer_append(PHP_HTTP_BUFFER(buffer), ptr->buf, ptr->buflen)) {
- return PSFS_ERR_FATAL;
- }
-
- nxt = ptr->next;
- php_stream_bucket_unlink(ptr TSRMLS_CC);
- php_stream_bucket_delref(ptr TSRMLS_CC);
- }
-
- if (!php_http_buffer_fix(PHP_HTTP_BUFFER(buffer))) {
- return PSFS_ERR_FATAL;
- }
-
- /* we have data in our buffer */
- while (PHP_HTTP_BUFFER(buffer)->used) {
-
- /* we already know the size of the chunk and are waiting for data */
- if (buffer->hexlen) {
-
- /* not enough data buffered */
- if (PHP_HTTP_BUFFER(buffer)->used < buffer->hexlen) {
-
- /* flush anyway? */
- if (flags & PSFS_FLAG_FLUSH_INC) {
-
- /* flush all data (should only be chunk data) */
- out_avail = 1;
- NEW_BUCKET(PHP_HTTP_BUFFER(buffer)->data, PHP_HTTP_BUFFER(buffer)->used);
-
- /* waiting for less data now */
- buffer->hexlen -= PHP_HTTP_BUFFER(buffer)->used;
- /* no more buffered data */
- php_http_buffer_reset(PHP_HTTP_BUFFER(buffer));
- /* break */
- }
-
- /* we have too less data and don't need to flush */
- else {
- break;
- }
- }
-
- /* we seem to have all data of the chunk */
- else {
- out_avail = 1;
- NEW_BUCKET(PHP_HTTP_BUFFER(buffer)->data, buffer->hexlen);
-
- /* remove outgoing data from the buffer */
- php_http_buffer_cut(PHP_HTTP_BUFFER(buffer), 0, buffer->hexlen);
- /* reset hexlen */
- buffer->hexlen = 0;
- /* continue */
- }
- }
-
- /* we don't know the length of the chunk yet */
- else {
- size_t off = 0;
-
- /* ignore preceeding CRLFs (too loose?) */
- while (off < PHP_HTTP_BUFFER(buffer)->used && (
- PHP_HTTP_BUFFER(buffer)->data[off] == '\n' ||
- PHP_HTTP_BUFFER(buffer)->data[off] == '\r')) {
- ++off;
- }
- if (off) {
- php_http_buffer_cut(PHP_HTTP_BUFFER(buffer), 0, off);
- }
-
- /* still data there? */
- if (PHP_HTTP_BUFFER(buffer)->used) {
- int eollen;
- const char *eolstr;
-
- /* we need eol, so we can be sure we have all hex digits */
- php_http_buffer_fix(PHP_HTTP_BUFFER(buffer));
- if ((eolstr = php_http_locate_bin_eol(PHP_HTTP_BUFFER(buffer)->data, PHP_HTTP_BUFFER(buffer)->used, &eollen))) {
- char *stop = NULL;
-
- /* read in chunk size */
- buffer->hexlen = strtoul(PHP_HTTP_BUFFER(buffer)->data, &stop, 16);
-
- /* if strtoul() stops at the beginning of the buffered data
- there's something oddly wrong, i.e. bad input */
- if (stop == PHP_HTTP_BUFFER(buffer)->data) {
- return PSFS_ERR_FATAL;
- }
-
- /* cut out <chunk size hex><chunk extension><eol> */
- php_http_buffer_cut(PHP_HTTP_BUFFER(buffer), 0, eolstr + eollen - PHP_HTTP_BUFFER(buffer)->data);
- /* buffer->hexlen is 0 now or contains the size of the next chunk */
- if (!buffer->hexlen) {
- php_stream_notify_info(stream->context, PHP_STREAM_NOTIFY_COMPLETED, NULL, 0);
- break;
- }
- /* continue */
- } else {
- /* we have not enough data buffered to read in chunk size */
- break;
- }
- }
- /* break */
- }
- }
-
- /* flush before close, but only if we are already waiting for more data */
- if (PHP_HTTP_FILTER_IS_CLOSING(stream, flags) && buffer->hexlen && PHP_HTTP_BUFFER(buffer)->used) {
- out_avail = 1;
- NEW_BUCKET(PHP_HTTP_BUFFER(buffer)->data, PHP_HTTP_BUFFER(buffer)->used);
- php_http_buffer_reset(PHP_HTTP_BUFFER(buffer));
- buffer->hexlen = 0;
- }
-
- return out_avail ? PSFS_PASS_ON : PSFS_FEED_ME;
-}
-
-static PHP_HTTP_FILTER_DESTRUCTOR(chunked_decode)
-{
- PHP_HTTP_FILTER_BUFFER(chunked_decode) *b = (PHP_HTTP_FILTER_BUFFER(chunked_decode) *) (this->abstract);
-
- php_http_buffer_dtor(PHP_HTTP_BUFFER(b));
- pefree(b, this->is_persistent);
-}
-
-static PHP_HTTP_FILTER_FUNCTION(chunked_encode)
-{
- php_http_buffer_t buf;
- php_stream_bucket *ptr, *nxt;
-
- if (bytes_consumed) {
- *bytes_consumed = 0;
- }
-
- /* new data available? */
- php_http_buffer_init(&buf);
-
- /* fetch available bucket data */
- for (ptr = buckets_in->head; ptr; ptr = nxt) {
- if (bytes_consumed) {
- *bytes_consumed += ptr->buflen;
- }
-#if DBG_FILTER
- fprintf(stderr, "update: chunked (-> %zu) (w: %zu, r: %zu)\n", ptr->buflen, stream->writepos, stream->readpos);
-#endif
-
- nxt = ptr->next;
- php_stream_bucket_unlink(ptr TSRMLS_CC);
- php_http_buffer_appendf(&buf, "%lx" PHP_HTTP_CRLF, (long unsigned int) ptr->buflen);
- php_http_buffer_append(&buf, ptr->buf, ptr->buflen);
- php_http_buffer_appends(&buf, PHP_HTTP_CRLF);
-
- /* pass through */
- NEW_BUCKET(buf.data, buf.used);
- /* reset */
- php_http_buffer_reset(&buf);
- php_stream_bucket_delref(ptr TSRMLS_CC);
- }
-
- /* free buffer */
- php_http_buffer_dtor(&buf);
-
- /* terminate with "0" */
- if (PHP_HTTP_FILTER_IS_CLOSING(stream, flags)) {
-#if DBG_FILTER
- fprintf(stderr, "finish: chunked\n");
-#endif
-
- NEW_BUCKET("0" PHP_HTTP_CRLF PHP_HTTP_CRLF, lenof("0" PHP_HTTP_CRLF PHP_HTTP_CRLF));
- }
-
- return PSFS_PASS_ON;
-}
-
-static PHP_HTTP_FILTER_OPS(chunked_decode) = {
- PHP_HTTP_FILTER_FUNC(chunked_decode),
- PHP_HTTP_FILTER_DTOR(chunked_decode),
- "http.chunked_decode"
-};
-
-static PHP_HTTP_FILTER_OPS(chunked_encode) = {
- PHP_HTTP_FILTER_FUNC(chunked_encode),
- NULL,
- "http.chunked_encode"
-};
-
-static PHP_HTTP_FILTER_FUNCTION(zlib)
-{
- php_stream_bucket *ptr, *nxt;
- PHP_HTTP_FILTER_BUFFER(zlib) *buffer = (PHP_HTTP_FILTER_BUFFER(zlib) *) this->abstract;
-
- if (bytes_consumed) {
- *bytes_consumed = 0;
- }
-
- /* fetch available bucket data */
- for (ptr = buckets_in->head; ptr; ptr = nxt) {
- char *encoded = NULL;
- size_t encoded_len = 0;
-
- if (bytes_consumed) {
- *bytes_consumed += ptr->buflen;
- }
-
-#if DBG_FILTER
- fprintf(stderr, "bucket: b=%p p=%p p=%p\n", ptr->brigade, ptr->prev, ptr->next);
-#endif
-
- nxt = ptr->next;
- php_stream_bucket_unlink(ptr TSRMLS_CC);
- php_http_encoding_stream_update(buffer, ptr->buf, ptr->buflen, &encoded, &encoded_len);
-
-#if DBG_FILTER
- fprintf(stderr, "update: deflate (-> %zu) (w: %zu, r: %zu)\n", encoded_len, stream->writepos, stream->readpos);
-#endif
-
- if (encoded) {
- if (encoded_len) {
- NEW_BUCKET(encoded, encoded_len);
- }
- efree(encoded);
- }
- php_stream_bucket_delref(ptr TSRMLS_CC);
- }
-
- /* flush & close */
- if (flags & PSFS_FLAG_FLUSH_INC) {
- char *encoded = NULL;
- size_t encoded_len = 0;
-
- php_http_encoding_stream_flush(buffer, &encoded, &encoded_len);
-
-#if DBG_FILTER
- fprintf(stderr, "flush: deflate (-> %zu)\n", encoded_len);
-#endif
-
- if (encoded) {
- if (encoded_len) {
- NEW_BUCKET(encoded, encoded_len);
- }
- efree(encoded);
- }
- }
-
- if (PHP_HTTP_FILTER_IS_CLOSING(stream, flags)) {
- char *encoded = NULL;
- size_t encoded_len = 0;
-
- php_http_encoding_stream_finish(buffer, &encoded, &encoded_len);
-
-#if DBG_FILTER
- fprintf(stderr, "finish: deflate (-> %zu)\n", encoded_len);
-#endif
-
- if (encoded) {
- if (encoded_len) {
- NEW_BUCKET(encoded, encoded_len);
- }
- efree(encoded);
- }
- }
-
- return PSFS_PASS_ON;
-}
-static PHP_HTTP_FILTER_DESTRUCTOR(zlib)
-{
- PHP_HTTP_FILTER_BUFFER(zlib) *buffer = (PHP_HTTP_FILTER_BUFFER(zlib) *) this->abstract;
- php_http_encoding_stream_free(&buffer);
-}
-
-static PHP_HTTP_FILTER_OPS(deflate) = {
- PHP_HTTP_FILTER_FUNC(zlib),
- PHP_HTTP_FILTER_DTOR(zlib),
- "http.deflate"
-};
-
-static PHP_HTTP_FILTER_OPS(inflate) = {
- PHP_HTTP_FILTER_FUNC(zlib),
- PHP_HTTP_FILTER_DTOR(zlib),
- "http.inflate"
-};
-
-static php_stream_filter *http_filter_create(const char *name, zval *params, int p TSRMLS_DC)
-{
- zval **tmp = ¶ms;
- php_stream_filter *f = NULL;
- int flags = p ? PHP_HTTP_ENCODING_STREAM_PERSISTENT : 0;
-
- 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;
- }
- /* no break */
- default:
- {
- zval *num = php_http_ztyp(IS_LONG, *tmp);
-
- flags |= (Z_LVAL_P(num) & 0x0fffffff);
- zval_ptr_dtor(&num);
-
- }
- break;
- }
- }
-
- if (!strcasecmp(name, "http.chunked_decode")) {
- PHP_HTTP_FILTER_BUFFER(chunked_decode) *b = NULL;
-
- if ((b = pecalloc(1, sizeof(PHP_HTTP_FILTER_BUFFER(chunked_decode)), p))) {
- php_http_buffer_init_ex(PHP_HTTP_BUFFER(b), 4096, p ? PHP_HTTP_BUFFER_INIT_PERSISTENT : 0);
- if (!(f = php_stream_filter_alloc(&PHP_HTTP_FILTER_OP(chunked_decode), b, p))) {
- pefree(b, p);
- }
- }
- } else
-
- if (!strcasecmp(name, "http.chunked_encode")) {
- f = php_stream_filter_alloc(&PHP_HTTP_FILTER_OP(chunked_encode), NULL, p);
- } else
-
- if (!strcasecmp(name, "http.inflate")) {
- PHP_HTTP_FILTER_BUFFER(zlib) *b = NULL;
-
- if ((b = php_http_encoding_stream_init(NULL, php_http_encoding_stream_get_inflate_ops(), flags TSRMLS_CC))) {
- if (!(f = php_stream_filter_alloc(&PHP_HTTP_FILTER_OP(inflate), b, p))) {
- php_http_encoding_stream_free(&b);
- }
- }
- } else
-
- if (!strcasecmp(name, "http.deflate")) {
- PHP_HTTP_FILTER_BUFFER(zlib) *b = NULL;
-
- if ((b = php_http_encoding_stream_init(NULL, php_http_encoding_stream_get_deflate_ops(), flags TSRMLS_CC))) {
- if (!(f = php_stream_filter_alloc(&PHP_HTTP_FILTER_OP(deflate), b, p))) {
- php_http_encoding_stream_free(&b);
- }
- }
- }
-
- return f;
-}
-
-php_stream_filter_factory php_http_filter_factory = {
- http_filter_create
-};
-
-
-/*
- * 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
- */
projects / m6w6 / ext-http / blobdiff