/*
- +----------------------------------------------------------------------+
- | PECL :: http |
- +----------------------------------------------------------------------+
- | This source file is subject to version 3.0 of the PHP license, that |
- | is bundled with this package in the file LICENSE, and is available |
- | through the world-wide-web at http://www.php.net/license/3_0.txt. |
- | If you did not receive a copy of the PHP license and are unable to |
- | obtain it through the world-wide-web, please send a note to |
- | license@php.net so we can mail you a copy immediately. |
- +----------------------------------------------------------------------+
- | Copyright (c) 2004-2005 Michael Wallner <mike@php.net> |
- +----------------------------------------------------------------------+
+ +--------------------------------------------------------------------+
+ | 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) 2004-2010, Michael Wallner <mike@php.net> |
+ +--------------------------------------------------------------------+
*/
/* $Id$ */
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-#include "php.h"
+#define HTTP_WANT_SAPI
+#define HTTP_WANT_ZLIB
+#define HTTP_WANT_MAGIC
+#include "php_http.h"
-#include "SAPI.h"
#include "php_streams.h"
-#include "ext/standard/php_lcg.h"
-#include "php_http.h"
-#include "php_http_std_defs.h"
#include "php_http_api.h"
+#include "php_http_cache_api.h"
#include "php_http_date_api.h"
-#include "php_http_send_api.h"
+#include "php_http_encoding_api.h"
#include "php_http_headers_api.h"
-#include "php_http_date_api.h"
-#include "php_http_cache_api.h"
+#include "php_http_send_api.h"
-ZEND_EXTERN_MODULE_GLOBALS(http);
+/* {{{ http_flush() */
+#define http_flush(d, l) _http_flush(NULL, (d), (l) TSRMLS_CC)
+static inline void _http_flush(void *nothing, const char *data, size_t data_len TSRMLS_DC)
+{
+ PHPWRITE(data, data_len);
+ /* we really only need to flush when throttling is enabled,
+ because we push the data as fast as possible anyway if not */
+ if (HTTP_G->send.throttle_delay >= HTTP_DIFFSEC) {
+#if defined(PHP_VERSION_ID) && (PHP_VERSION_ID >= 50399)
+ php_output_end_all(TSRMLS_C);
+#else
+ if (OG(ob_nesting_level)) {
+ php_end_ob_buffer(1, 1 TSRMLS_CC);
+ }
+ if (!OG(implicit_flush)) {
+ sapi_flush(TSRMLS_C);
+ }
+#endif
+ http_sleep(HTTP_G->send.throttle_delay);
+ }
+}
+/* }}} */
-#define http_flush() _http_flush(TSRMLS_C)
-/* {{{ static inline void http_flush() */
-static inline void _http_flush(TSRMLS_D)
+/* {{{ http_send_response_start */
+#define http_send_response_start(b, cl) _http_send_response_start((b), (cl) TSRMLS_CC)
+static inline void _http_send_response_start(void **buffer, size_t content_length TSRMLS_DC)
{
- php_end_ob_buffer(1, 1 TSRMLS_CC);
+ int encoding;
+
+ if ((encoding = http_encoding_response_start(content_length, 0))) {
+#ifdef HTTP_HAVE_ZLIB
+ *((http_encoding_stream **) buffer) = http_encoding_deflate_stream_init(NULL,
+ (encoding == HTTP_ENCODING_GZIP) ?
+ HTTP_DEFLATE_TYPE_GZIP : HTTP_DEFLATE_TYPE_ZLIB);
+#endif
+ }
+ /* flush headers */
sapi_flush(TSRMLS_C);
}
/* }}} */
-#define http_sleep() _http_sleep(TSRMLS_C)
-/* {{{ static inline void http_sleep() */
-static inline void _http_sleep(TSRMLS_D)
+/* {{{ http_send_response_data_plain */
+#define http_send_response_data_plain(b, d, dl) _http_send_response_data_plain((b), (d), (dl) TSRMLS_CC)
+static inline void _http_send_response_data_plain(void **buffer, const char *data, size_t data_len TSRMLS_DC)
{
-#define HTTP_MSEC(s) (s * 1000)
-#define HTTP_USEC(s) (HTTP_MSEC(s) * 1000)
-#define HTTP_NSEC(s) (HTTP_USEC(s) * 1000)
-#define HTTP_NANOSEC (1000 * 1000 * 1000)
-#define HTTP_DIFFSEC (0.001)
-
- if (HTTP_G(send).throttle_delay >= HTTP_DIFFSEC) {
-#if defined(PHP_WIN32)
- Sleep((DWORD) HTTP_MSEC(HTTP_G(send).throttle_delay));
-#elif defined(HAVE_USLEEP)
- usleep(HTTP_USEC(HTTP_G(send).throttle_delay));
-#elif defined(HAVE_NANOSLEEP)
- struct timespec req, rem;
-
- req.tv_sec = (time_t) HTTP_G(send).throttle_delay;
- req.tv_nsec = HTTP_NSEC(HTTP_G(send).throttle_delay) % HTTP_NANOSEC;
-
- while (nanosleep(&req, &rem) && (errno == EINTR) && (HTTP_NSEC(rem.tv_sec) + rem.tv_nsec) > HTTP_NSEC(HTTP_DIFFSEC))) {
- req.tv_sec = rem.tv_sec;
- req.tv_nsec = rem.tv_nsec;
+ if (HTTP_G->send.deflate.response && HTTP_G->send.deflate.encoding) {
+#ifdef HTTP_HAVE_ZLIB
+ char *encoded;
+ size_t encoded_len;
+ http_encoding_stream *s = *((http_encoding_stream **) buffer);
+
+ http_encoding_deflate_stream_update(s, data, data_len, &encoded, &encoded_len);
+ if (HTTP_G->send.buffer_size) {
+ phpstr_chunked_output((phpstr **) &s->storage, encoded, encoded_len, HTTP_G->send.buffer_size, _http_flush, NULL TSRMLS_CC);
+ } else {
+ http_flush(encoded, encoded_len);
}
+ efree(encoded);
+#else
+ http_error(HE_ERROR, HTTP_E_RESPONSE, "Attempt to send GZIP response despite being able to do so; please report this bug");
#endif
+ } else if (HTTP_G->send.buffer_size) {
+ phpstr_chunked_output((phpstr **) buffer, data, data_len, HTTP_G->send.buffer_size, _http_flush, NULL TSRMLS_CC);
+ } else {
+ http_flush(data, data_len);
}
}
/* }}} */
-#define HTTP_CHUNK_AVAIL(len) ((len -= HTTP_G(send).buffer_size) >= 0)
-#define HTTP_CHUNK_WRITE(data, l, dofree, dosleep) \
- { \
- long size = (long) l; \
- \
- if ((1 > size) || (size - PHPWRITE(data, size))) { \
- if (dofree) { \
- efree(data); \
- } \
- return FAILURE; \
- } \
- \
- http_flush(); \
- if (dosleep) { \
- http_sleep(); \
- } \
- }
-
-#define http_send_chunk(d, b, e, m) _http_send_chunk((d), (b), (e), (m) TSRMLS_CC)
-/* {{{ static STATUS http_send_chunk(const void *, size_t, size_t, http_send_mode) */
-static STATUS _http_send_chunk(const void *data, size_t begin, size_t end, http_send_mode mode TSRMLS_DC)
+/* {{{ http_send_response_data_fetch */
+#define http_send_response_data_fetch(b, d, l, m, s, e) _http_send_response_data_fetch((b), (d), (l), (m), (s), (e) TSRMLS_CC)
+static inline void _http_send_response_data_fetch(void **buffer, const void *data, size_t data_len, http_send_mode mode, size_t begin, size_t end TSRMLS_DC)
{
- long len = end - begin;
-
- switch (mode)
- {
- case SEND_RSRC:
- {
- char *buf;
+ long bsz, got, len = end - begin;
+
+ if (!(bsz = HTTP_G->send.buffer_size)) {
+ bsz = HTTP_SENDBUF_SIZE;
+ }
+
+ switch (mode) {
+ case SEND_RSRC: {
php_stream *s = (php_stream *) data;
-
- if (php_stream_seek(s, begin, SEEK_SET)) {
- return FAILURE;
+ if (SUCCESS == php_stream_seek(s, begin, SEEK_SET)) {
+ char *buf = emalloc(bsz);
+
+ while (len > 0) {
+ got = php_stream_read(s, buf, MIN(len, bsz));
+ http_send_response_data_plain(buffer, buf, got);
+ len -= got;
+ }
+
+ efree(buf);
}
-
- buf = emalloc(HTTP_G(send).buffer_size);
-
- while (HTTP_CHUNK_AVAIL(len)) {
- HTTP_CHUNK_WRITE(buf, php_stream_read(s, buf, HTTP_G(send).buffer_size), 1, 1);
- }
-
- /* read & write left over */
- if (len) {
- HTTP_CHUNK_WRITE(buf, php_stream_read(s, buf, HTTP_G(send).buffer_size + len), 1, 0);
+ break;
+ }
+ case SEND_DATA: {
+ const char *buf = ((const char *) data) + begin;
+ while (len > 0) {
+ got = MIN(len, bsz);
+ http_send_response_data_plain(buffer, buf, got);
+ len -= got;
+ buf += got;
}
+ break;
+ }
+ EMPTY_SWITCH_DEFAULT_CASE();
+ }
+}
+/* }}} */
- efree(buf);
- return SUCCESS;
+/* {{{ http_send_response_finish */
+#define http_send_response_finish(b) _http_send_response_finish((b) TSRMLS_CC)
+static inline void _http_send_response_finish(void **buffer TSRMLS_DC)
+{
+ if (HTTP_G->send.deflate.response && HTTP_G->send.deflate.encoding) {
+#ifdef HTTP_HAVE_ZLIB
+ char *encoded = NULL;
+ size_t encoded_len = 0;
+ http_encoding_stream *s = *((http_encoding_stream **) buffer);
+
+ http_encoding_deflate_stream_finish(s, &encoded, &encoded_len);
+ if (HTTP_G->send.buffer_size) {
+ phpstr_chunked_output((phpstr **) &s->storage, encoded, encoded_len, 0, _http_flush, NULL TSRMLS_CC);
+ } else {
+ http_flush(encoded, encoded_len);
}
+ http_encoding_deflate_stream_free(&s);
+ STR_FREE(encoded);
+#else
+ http_error(HE_ERROR, HTTP_E_RESPONSE, "Attempt to send GZIP response despite being able to do so; please report this bug");
+#endif
+ } else if (HTTP_G->send.buffer_size) {
+ phpstr_chunked_output((phpstr **) buffer, NULL, 0, 0, _http_flush, NULL TSRMLS_CC);
+ }
+}
+/* }}} */
- case SEND_DATA:
- {
- char *s = (char *) data + begin;
+/* {{{ */
+PHP_MINIT_FUNCTION(http_send)
+{
+ HTTP_LONG_CONSTANT("HTTP_REDIRECT", HTTP_REDIRECT);
+ HTTP_LONG_CONSTANT("HTTP_REDIRECT_PERM", HTTP_REDIRECT_PERM);
+ HTTP_LONG_CONSTANT("HTTP_REDIRECT_FOUND", HTTP_REDIRECT_FOUND);
+ HTTP_LONG_CONSTANT("HTTP_REDIRECT_POST", HTTP_REDIRECT_POST);
+ HTTP_LONG_CONSTANT("HTTP_REDIRECT_PROXY", HTTP_REDIRECT_PROXY);
+ HTTP_LONG_CONSTANT("HTTP_REDIRECT_TEMP", HTTP_REDIRECT_TEMP);
+
+ return SUCCESS;
+}
+/* }}} */
- while (HTTP_CHUNK_AVAIL(len)) {
- HTTP_CHUNK_WRITE(s, HTTP_G(send).buffer_size, 0, 1);
- s += HTTP_G(send).buffer_size;
- }
+/* {{{ http_find_header */
+typedef struct {
+ const char *h;
+ size_t l;
+} http_response_header_t;
- /* write left over */
- if (len) {
- HTTP_CHUNK_WRITE(s, HTTP_G(send).buffer_size + len, 0, 0);
- }
+static int http_find_header(void *data, void *arg)
+{
+ http_response_header_t *h = arg;
+ sapi_header_struct *s = data;
+
+ return (!strncasecmp(s->header, h->h, h->l)) && s->header[h->l] == ':';
+}
+/* }}} */
- return SUCCESS;
- }
+/* {{{ void http_hide_header(char *) */
+PHP_HTTP_API void _http_hide_header_ex(const char *name, size_t name_len TSRMLS_DC)
+{
+ http_response_header_t h = {name, name_len};
+ zend_llist_del_element(&SG(sapi_headers).headers, (void *) &h, http_find_header);
+}
+/* }}} */
- default:
- return FAILURE;
- break;
+/* {{{ void http_send_header_zval(char*, zval **, zend_bool) */
+PHP_HTTP_API void _http_send_header_zval_ex(const char *name, size_t name_len, zval **val, zend_bool replace TSRMLS_DC)
+{
+ if (!val || !*val || Z_TYPE_PP(val) == IS_NULL || (Z_TYPE_PP(val) == IS_STRING && !Z_STRLEN_PP(val))) {
+ http_hide_header_ex(name, name_len);
+ } else if (Z_TYPE_PP(val) == IS_ARRAY || Z_TYPE_PP(val) == IS_OBJECT) {
+ zend_bool first = replace;
+ zval **data_ptr;
+ HashPosition pos;
+
+ FOREACH_HASH_VAL(pos, HASH_OF(*val), data_ptr) {
+ zval *data = http_zsep(IS_STRING, *data_ptr);
+
+ http_send_header_ex(name, name_len, Z_STRVAL_P(data), Z_STRLEN_P(data), first, NULL);
+ zval_ptr_dtor(&data);
+ first = 0;
+ }
+ } else {
+ zval *data = http_zsep(IS_STRING, *val);
+
+ http_send_header_ex(name, name_len, Z_STRVAL_P(data), Z_STRLEN_P(data), replace, NULL);
+ zval_ptr_dtor(&data);
}
}
/* }}} */
/* {{{ STATUS http_send_header(char *, char *, zend_bool) */
-PHP_HTTP_API STATUS _http_send_header_ex(const char *name, size_t name_len, const char *value, size_t value_len, zend_bool replace TSRMLS_DC)
+PHP_HTTP_API STATUS _http_send_header_ex(const char *name, size_t name_len, const char *value, size_t value_len, zend_bool replace, char **sent_header TSRMLS_DC)
{
STATUS ret;
- size_t header_len = sizeof(": ") + name_len + value_len;
- char *header = emalloc(header_len + 1);
-
- header[header_len] = '\0';
- snprintf(header, header_len, "%s: %s", name, value);
- ret = http_send_header_string_ex(header, replace);
- efree(header);
+
+ if (value && value_len) {
+ size_t header_len = sizeof(": ") + name_len + value_len + 1;
+ char *header = emalloc(header_len + 1);
+
+ header[header_len] = '\0';
+ header_len = snprintf(header, header_len, "%s: %s", name, value);
+ ret = http_send_header_string_ex(header, header_len, replace);
+ if (sent_header) {
+ *sent_header = header;
+ } else {
+ efree(header);
+ }
+ } else {
+ http_hide_header_ex(name, name_len);
+ ret = SUCCESS;
+ }
return ret;
}
/* }}} */
/* {{{ STATUS http_send_status_header(int, char *) */
-PHP_HTTP_API STATUS _http_send_status_header_ex(int status, const char *header, zend_bool replace TSRMLS_DC)
+PHP_HTTP_API STATUS _http_send_status_header_ex(int status, const char *header, size_t header_len, zend_bool replace TSRMLS_DC)
{
STATUS ret;
- sapi_header_line h = {(char *) header, header ? strlen(header) : 0, status};
+ sapi_header_line h = {(char *) header, header_len, status};
if (SUCCESS != (ret = sapi_header_op(replace ? SAPI_HEADER_REPLACE : SAPI_HEADER_ADD, &h TSRMLS_CC))) {
http_error_ex(HE_WARNING, HTTP_E_HEADER, "Could not send header: %s (%d)", header, status);
}
/* }}} */
/* {{{ STATUS http_send_last_modified(int) */
-PHP_HTTP_API STATUS _http_send_last_modified(time_t t TSRMLS_DC)
+PHP_HTTP_API STATUS _http_send_last_modified_ex(time_t t, char **sent_header TSRMLS_DC)
{
STATUS ret;
char *date = http_date(t);
return FAILURE;
}
- ret = http_send_header("Last-Modified", date, 1);
+ ret = http_send_header_ex("Last-Modified", lenof("Last-Modified"), date, strlen(date), 1, sent_header);
efree(date);
/* remember */
- HTTP_G(send).last_modified = t;
+ HTTP_G->send.last_modified = t;
return ret;
}
/* }}} */
/* {{{ STATUS http_send_etag(char *, size_t) */
-PHP_HTTP_API STATUS _http_send_etag(const char *etag, size_t etag_len TSRMLS_DC)
+PHP_HTTP_API STATUS _http_send_etag_ex(const char *etag, size_t etag_len, char **sent_header TSRMLS_DC)
{
STATUS status;
char *etag_header;
+ size_t etag_header_len;
if (!etag_len){
- http_error_ex(HE_WARNING, HTTP_E_HEADER, "Attempt to send empty ETag (previous: %s)\n", HTTP_G(send).unquoted_etag);
+ http_error_ex(HE_WARNING, HTTP_E_HEADER, "Attempt to send empty ETag (previous: %s)\n", HTTP_G->send.unquoted_etag);
return FAILURE;
}
+ etag_header_len = spprintf(&etag_header, 0, "ETag: \"%s\"", etag);
+ status = http_send_header_string_ex(etag_header, etag_header_len, 1);
+
/* remember */
- STR_FREE(HTTP_G(send).unquoted_etag);
- HTTP_G(send).unquoted_etag = estrdup(etag);
+ STR_SET(HTTP_G->send.unquoted_etag, estrndup(etag, etag_len));
- etag_header = ecalloc(1, sizeof("ETag: \"\"") + etag_len);
- sprintf(etag_header, "ETag: \"%s\"", etag);
- status = http_send_header_string(etag_header);
- efree(etag_header);
+ if (sent_header) {
+ *sent_header = etag_header;
+ } else {
+ efree(etag_header);
+ }
+
return status;
}
/* }}} */
/* {{{ STATUS http_send_content_type(char *, size_t) */
PHP_HTTP_API STATUS _http_send_content_type(const char *content_type, size_t ct_len TSRMLS_DC)
{
- if (!strchr(content_type, '/')) {
- http_error_ex(HE_WARNING, HTTP_E_INVALID_PARAM, "Content-Type '%s' doesn't seem to consist of a primary and a secondary part", content_type);
- return FAILURE;
- }
+ HTTP_CHECK_CONTENT_TYPE(content_type, return FAILURE);
/* remember for multiple ranges */
- STR_FREE(HTTP_G(send).content_type);
- HTTP_G(send).content_type = estrndup(content_type, ct_len);
+ STR_FREE(HTTP_G->send.content_type);
+ HTTP_G->send.content_type = estrndup(content_type, ct_len);
- return http_send_header_ex("Content-Type", lenof("Content-Type"), content_type, ct_len, 1);
+ return http_send_header_ex("Content-Type", lenof("Content-Type"), content_type, ct_len, 1, NULL);
}
/* }}} */
}
/* }}} */
-/* {{{ STATUS http_send_ranges(HashTable *, void *, size_t, http_send_mode) */
-PHP_HTTP_API STATUS _http_send_ranges(HashTable *ranges, const void *data, size_t size, http_send_mode mode TSRMLS_DC)
-{
- long **begin, **end;
- zval **zrange;
-
- /* single range */
- if (zend_hash_num_elements(ranges) == 1) {
- char range_header[256] = {0};
-
- if (SUCCESS != zend_hash_index_find(ranges, 0, (void **) &zrange) ||
- SUCCESS != zend_hash_index_find(Z_ARRVAL_PP(zrange), 0, (void **) &begin) ||
- SUCCESS != zend_hash_index_find(Z_ARRVAL_PP(zrange), 1, (void **) &end)) {
- http_send_status(500);
- return FAILURE;
- }
-
- /* Send HTTP 206 Partial Content */
- http_send_status(206);
-
- /* send content range header */
- snprintf(range_header, 255, "Content-Range: bytes %ld-%ld/%lu", **begin, **end, (ulong) size);
- http_send_header_string(range_header);
-
- /* send requested chunk */
- return http_send_chunk(data, **begin, **end + 1, mode);
- }
-
- /* multi range */
- else {
- char bound[23] = {0}, preface[1024] = {0},
- multi_header[68] = "Content-Type: multipart/byteranges; boundary=";
-
- /* Send HTTP 206 Partial Content */
- http_send_status(206);
-
- /* send multipart/byteranges header */
- snprintf(bound, 22, "--%lu%0.9f", (ulong) time(NULL), php_combined_lcg(TSRMLS_C));
- strncat(multi_header, bound + 2, 21);
- http_send_header_string(multi_header);
-
- /* send each requested chunk */
- FOREACH_HASH_VAL(ranges, zrange) {
- if (SUCCESS != zend_hash_index_find(Z_ARRVAL_PP(zrange), 0, (void **) &begin) ||
- SUCCESS != zend_hash_index_find(Z_ARRVAL_PP(zrange), 1, (void **) &end)) {
- break;
- }
-
- snprintf(preface, 1023,
- HTTP_CRLF "%s"
- HTTP_CRLF "Content-Type: %s"
- HTTP_CRLF "Content-Range: bytes %ld-%ld/%lu"
- HTTP_CRLF
- HTTP_CRLF,
-
- bound,
- HTTP_G(send).content_type ? HTTP_G(send).content_type : "application/x-octetstream",
- **begin,
- **end,
- (ulong) size
- );
-
- PHPWRITE(preface, strlen(preface));
- http_send_chunk(data, **begin, **end + 1, mode);
- }
-
- /* write boundary once more */
- PHPWRITE(HTTP_CRLF, lenof(HTTP_CRLF));
- PHPWRITE(bound, strlen(bound));
- PHPWRITE("--", lenof("--"));
-
- return SUCCESS;
- }
-}
-/* }}} */
-
/* {{{ STATUS http_send(void *, size_t, http_send_mode) */
-PHP_HTTP_API STATUS _http_send(const void *data_ptr, size_t data_size, http_send_mode data_mode TSRMLS_DC)
+PHP_HTTP_API STATUS _http_send_ex(const void *data_ptr, size_t data_size, http_send_mode data_mode, zend_bool no_cache TSRMLS_DC)
{
+ void *s = NULL;
HashTable ranges;
http_range_status range_status;
- int cache_etag = 0;
-
+
if (!data_ptr) {
return FAILURE;
}
if (!data_size) {
return SUCCESS;
}
-
- /* stop on-the-fly etag generation */
- if (cache_etag = HTTP_G(etag).started) {
- /* interrupt ob_etaghandler */
- HTTP_G(etag).started = 0;
- }
-
+
/* enable partial dl and resume */
http_send_header_string("Accept-Ranges: bytes");
zend_hash_init(&ranges, 0, NULL, ZVAL_PTR_DTOR, 0);
range_status = http_get_request_ranges(&ranges, data_size);
- if (range_status == RANGE_ERR) {
- zend_hash_destroy(&ranges);
- http_send_status(416);
- return FAILURE;
- }
-
- /* Range Request - only send ranges if entity hasn't changed */
- if ( range_status == RANGE_OK &&
- http_match_etag_ex("HTTP_IF_MATCH", HTTP_G(send).unquoted_etag, 0) &&
- http_match_last_modified_ex("HTTP_IF_UNMODIFIED_SINCE", HTTP_G(send).last_modified, 0) &&
- http_match_last_modified_ex("HTTP_UNLESS_MODIFIED_SINCE", HTTP_G(send).last_modified, 0)) {
- STATUS result = http_send_ranges(&ranges, data_ptr, data_size, data_mode);
- zend_hash_destroy(&ranges);
- return result;
- }
-
- zend_hash_destroy(&ranges);
-
- /* send 304 Not Modified if etag matches - DON'T return on ETag generation failure */
- if (cache_etag) {
- char *etag = NULL;
-
- if (!(etag = http_etag(data_ptr, data_size, data_mode))) {
- http_error(HE_NOTICE, HTTP_E_RUNTIME, "Failed to generate ETag for data source");
- } else {
- http_send_etag(etag, 32);
- if (http_match_etag("HTTP_IF_NONE_MATCH", etag)) {
- return http_cache_exit_ex(etag, 1, 1);
+ switch (range_status) {
+ case RANGE_ERR:
+ {
+ zend_hash_destroy(&ranges);
+ http_send_status(416);
+ return FAILURE;
+ }
+ case RANGE_OK:
+ {
+ /* Range Request - only send ranges if entity hasn't changed */
+ if ( http_got_server_var("HTTP_IF_RANGE") &&
+ !http_match_etag("HTTP_IF_RANGE", HTTP_G->send.unquoted_etag) &&
+ !http_match_last_modified("HTTP_IF_RANGE", HTTP_G->send.last_modified)) {
+ /* fallthrough to send full entity with 200 Ok */
+ no_cache = 1;
+ } else if ( !http_match_etag_ex("HTTP_IF_MATCH", HTTP_G->send.unquoted_etag, 0) ||
+ !http_match_last_modified_ex("HTTP_IF_UNMODIFIED_SINCE", HTTP_G->send.last_modified, 0) ||
+ !http_match_last_modified_ex("HTTP_UNLESS_MODIFIED_SINCE", HTTP_G->send.last_modified, 0)) {
+ /* 412 Precondition failed */
+ zend_hash_destroy(&ranges);
+ http_send_status(412);
+ return FAILURE;
+ } else if (zend_hash_num_elements(&ranges) == 1) {
+ /* single range */
+ zval **range, **begin, **end;
+
+ if ( SUCCESS != zend_hash_index_find(&ranges, 0, (void *) &range) ||
+ SUCCESS != zend_hash_index_find(Z_ARRVAL_PP(range), 0, (void *) &begin) ||
+ SUCCESS != zend_hash_index_find(Z_ARRVAL_PP(range), 1, (void *) &end)) {
+ /* this should never happen */
+ zend_hash_destroy(&ranges);
+ http_send_status(500);
+ return FAILURE;
+ } else {
+ phpstr header;
+
+ phpstr_init(&header);
+ phpstr_appendf(&header, "Content-Range: bytes %ld-%ld/%zu", Z_LVAL_PP(begin), Z_LVAL_PP(end), data_size);
+ phpstr_fix(&header);
+ http_send_status_header_ex(206, PHPSTR_VAL(&header), PHPSTR_LEN(&header), 1);
+ phpstr_dtor(&header);
+ http_send_response_start(&s, Z_LVAL_PP(end)-Z_LVAL_PP(begin)+1);
+ http_send_response_data_fetch(&s, data_ptr, data_size, data_mode, Z_LVAL_PP(begin), Z_LVAL_PP(end) + 1);
+ http_send_response_finish(&s);
+ zend_hash_destroy(&ranges);
+ return SUCCESS;
+ }
+ } else {
+ /* multi range */
+ HashPosition pos;
+ zval **range, **begin, **end;
+ const char *content_type = HTTP_G->send.content_type;
+ char boundary_str[32];
+ size_t boundary_len;
+ phpstr header, preface;
+
+ boundary_len = http_boundary(boundary_str, sizeof(boundary_str));
+ phpstr_init(&header);
+ phpstr_appendf(&header, "Content-Type: multipart/byteranges; boundary=%s", boundary_str);
+ phpstr_fix(&header);
+ http_send_status_header_ex(206, PHPSTR_VAL(&header), PHPSTR_LEN(&header), 1);
+ phpstr_dtor(&header);
+ http_send_response_start(&s, 0);
+
+ if (!content_type) {
+ content_type = "application/x-octetstream";
+ }
+
+ phpstr_init(&preface);
+ FOREACH_HASH_VAL(pos, &ranges, range) {
+ if ( SUCCESS == zend_hash_index_find(Z_ARRVAL_PP(range), 0, (void *) &begin) &&
+ SUCCESS == zend_hash_index_find(Z_ARRVAL_PP(range), 1, (void *) &end)) {
+
+#define HTTP_RANGE_PREFACE \
+ HTTP_CRLF "--%s" \
+ HTTP_CRLF "Content-Type: %s" \
+ HTTP_CRLF "Content-Range: bytes %ld-%ld/%zu" \
+ HTTP_CRLF HTTP_CRLF
+
+ phpstr_appendf(&preface, HTTP_RANGE_PREFACE, boundary_str, content_type, Z_LVAL_PP(begin), Z_LVAL_PP(end), data_size);
+ phpstr_fix(&preface);
+ http_send_response_data_plain(&s, PHPSTR_VAL(&preface), PHPSTR_LEN(&preface));
+ phpstr_reset(&preface);
+ http_send_response_data_fetch(&s, data_ptr, data_size, data_mode, Z_LVAL_PP(begin), Z_LVAL_PP(end) + 1);
+ }
+ }
+ phpstr_dtor(&preface);
+
+ http_send_response_data_plain(&s, HTTP_CRLF "--", lenof(HTTP_CRLF "--"));
+ http_send_response_data_plain(&s, boundary_str, boundary_len);
+ http_send_response_data_plain(&s, "--", lenof("--"));
+
+ http_send_response_finish(&s);
+ zend_hash_destroy(&ranges);
+ return SUCCESS;
}
- efree(etag);
+ }
+ case RANGE_NO:
+ {
+ zend_hash_destroy(&ranges);
+
+ /* send 304 Not Modified if etag matches - DON'T return on ETag generation failure */
+ if (!no_cache && (http_interrupt_ob_etaghandler() || (HTTP_G->send.unquoted_etag != NULL))) {
+ char *etag = NULL;
+
+ if (HTTP_G->send.unquoted_etag) {
+ etag = estrdup(HTTP_G->send.unquoted_etag);
+ }
+
+ if (etag || (etag = http_etag(data_ptr, data_size, data_mode))) {
+ char *sent_header = NULL;
+
+ http_send_etag_ex(etag, strlen(etag), &sent_header);
+ if (http_match_etag("HTTP_IF_NONE_MATCH", etag)) {
+ return http_exit_ex(304, sent_header, NULL, 0);
+ } else {
+ STR_FREE(sent_header);
+ /* no caching for Last-Modified if ETags really don't match */
+ no_cache = http_got_server_var("HTTP_IF_NONE_MATCH");
+ }
+ efree(etag);
+ }
+ }
+
+ /* send 304 Not Modified if last modified matches */
+ if (!no_cache && HTTP_G->send.last_modified && http_match_last_modified("HTTP_IF_MODIFIED_SINCE", HTTP_G->send.last_modified)) {
+ char *sent_header = NULL;
+ http_send_last_modified_ex(HTTP_G->send.last_modified, &sent_header);
+ return http_exit_ex(304, sent_header, NULL, 0);
+ }
+
+ /* send full response */
+ http_send_response_start(&s, data_size);
+ http_send_response_data_fetch(&s, data_ptr, data_size, data_mode, 0, data_size);
+ http_send_response_finish(&s);
+ return SUCCESS;
}
}
-
- /* send 304 Not Modified if last modified matches */
- if (http_match_last_modified("HTTP_IF_MODIFIED_SINCE", HTTP_G(send).last_modified)) {
- return http_cache_exit_ex(http_date(HTTP_G(send).last_modified), 0, 1);
- }
-
- /* emit a content-length header */
- if (!php_ob_handler_used("ob_gzhandler" TSRMLS_CC)) {
- char *cl;
- spprintf(&cl, 0, "Content-Length: %lu", (unsigned long) data_size);
- http_send_header_string(cl);
- efree(cl);
- }
- /* send full entity */
- return http_send_chunk(data_ptr, 0, data_size, data_mode);
+ return FAILURE;
}
/* }}} */
/* {{{ STATUS http_send_stream(php_stream *) */
-PHP_HTTP_API STATUS _http_send_stream_ex(php_stream *file, zend_bool close_stream TSRMLS_DC)
+PHP_HTTP_API STATUS _http_send_stream_ex(php_stream *file, zend_bool close_stream, zend_bool no_cache TSRMLS_DC)
{
STATUS status;
php_stream_statbuf ssb;
+ int orig_flags;
if ((!file) || php_stream_stat(file, &ssb)) {
+ char *defct = sapi_get_default_content_type(TSRMLS_C);
+
+ http_hide_header("Content-Disposition");
+ http_send_content_type(defct, strlen(defct));
+ http_error(HE_WARNING, HTTP_E_RESPONSE, "File not found; stat failed");
+ STR_FREE(defct);
+
+ if (HTTP_G->send.not_found_404) {
+ http_exit_ex(404, NULL, estrdup("File not found\n"), 0);
+ }
return FAILURE;
}
- status = http_send(file, ssb.sb.st_size, SEND_RSRC);
-
+ orig_flags = file->flags;
+ file->flags |= PHP_STREAM_FLAG_NO_BUFFER;
+ status = http_send_ex(file, ssb.sb.st_size, SEND_RSRC, no_cache);
+ file->flags = orig_flags;
+
if (close_stream) {
php_stream_close(file);
}
}
/* }}} */
+/* {{{ char *http_guess_content_type(char *magic_file, long magic_mode, void *data, size_t size, http_send_mode mode) */
+PHP_HTTP_API char *_http_guess_content_type(const char *magicfile, long magicmode, void *data_ptr, size_t data_len, http_send_mode data_mode TSRMLS_DC)
+{
+ char *ct = NULL;
+
+#ifdef HTTP_HAVE_MAGIC
+ struct magic_set *magic = NULL;
+
+ HTTP_CHECK_OPEN_BASEDIR(magicfile, return NULL);
+
+ if (!data_ptr) {
+ http_error(HE_WARNING, HTTP_E_INVALID_PARAM, "Supplied payload is empty");
+ } else if (!(magic = magic_open(magicmode &~ MAGIC_MIME))) {
+ http_error_ex(HE_WARNING, HTTP_E_INVALID_PARAM, "Invalid magic mode: %ld", magicmode);
+ } else if (-1 == magic_load(magic, magicfile)) {
+ http_error_ex(HE_WARNING, HTTP_E_RUNTIME, "Failed to load magic database '%s' (%s)", magicfile, magic_error(magic));
+ } else {
+ const char *ctype = NULL;
+
+ magic_setflags(magic, magicmode);
+
+ switch (data_mode) {
+ case SEND_RSRC:
+ {
+ char *buffer;
+ size_t b_len;
+
+ b_len = php_stream_copy_to_mem(data_ptr, &buffer, 65536, 0);
+ ctype = magic_buffer(magic, buffer, b_len);
+ efree(buffer);
+ break;
+ }
+
+ case SEND_DATA:
+ ctype = magic_buffer(magic, data_ptr, data_len);
+ break;
+
+ default:
+ HTTP_CHECK_OPEN_BASEDIR(data_ptr, magic_close(magic); return NULL);
+ ctype = magic_file(magic, data_ptr);
+ break;
+ }
+
+ if (ctype) {
+ ct = estrdup(ctype);
+ } else {
+ http_error_ex(HE_WARNING, HTTP_E_RUNTIME, "Failed to guess Content-Type: %s", magic_error(magic));
+ }
+ }
+ if (magic) {
+ magic_close(magic);
+ }
+#else
+ http_error(HE_WARNING, HTTP_E_RUNTIME, "Cannot guess Content-Type; libmagic not available");
+#endif
+
+ return ct;
+}
+/* }}} */
+
/*
* Local variables:
* tab-width: 4
projects / m6w6 / ext-http / blobdiff