X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-http;a=blobdiff_plain;f=php_http_filter.c;fp=php_http_filter.c;h=0000000000000000000000000000000000000000;hp=b6d967b6f756eb27f62e57920086fabfa5655315;hb=bdd6edb59194cda9e5fcb393c48ab4230fceb32a;hpb=c05ef71b26a8d16bf5af2bd8275e08ba5ae02b52 diff --git a/php_http_filter.c b/php_http_filter.c deleted file mode 100644 index b6d967b..0000000 --- a/php_http_filter.c +++ /dev/null @@ -1,453 +0,0 @@ -/* - +--------------------------------------------------------------------+ - | 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 | - +--------------------------------------------------------------------+ -*/ - -#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 */ - 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 - */