+++ /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) 2004-2010, Michael Wallner <mike@php.net> |
- +--------------------------------------------------------------------+
-*/
-
-/* $Id$ */
-
-#define HTTP_WANT_SAPI
-#define HTTP_WANT_ZLIB
-#define HTTP_WANT_MAGIC
-#include "php_http.h"
-
-#include "php_streams.h"
-
-#include "php_http_api.h"
-#include "php_http_cache_api.h"
-#include "php_http_date_api.h"
-#include "php_http_encoding_api.h"
-#include "php_http_headers_api.h"
-#include "php_http_send_api.h"
-
-/* {{{ 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);
- }
-}
-/* }}} */
-
-/* {{{ 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)
-{
- 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);
-}
-/* }}} */
-
-/* {{{ 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)
-{
- 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);
- }
-}
-/* }}} */
-
-/* {{{ 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 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 (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);
- }
- 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();
- }
-}
-/* }}} */
-
-/* {{{ 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);
- }
-}
-/* }}} */
-
-/* {{{ */
-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;
-}
-/* }}} */
-
-/* {{{ http_find_header */
-typedef struct {
- const char *h;
- size_t l;
-} http_response_header_t;
-
-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] == ':';
-}
-/* }}} */
-
-/* {{{ 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);
-}
-/* }}} */
-
-/* {{{ 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, char **sent_header TSRMLS_DC)
-{
- STATUS ret;
-
- 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, size_t header_len, zend_bool replace TSRMLS_DC)
-{
- STATUS ret;
- 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);
- }
- return ret;
-}
-/* }}} */
-
-/* {{{ STATUS http_send_last_modified(int) */
-PHP_HTTP_API STATUS _http_send_last_modified_ex(time_t t, char **sent_header TSRMLS_DC)
-{
- STATUS ret;
- char *date = http_date(t);
-
- if (!date) {
- return FAILURE;
- }
-
- 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;
-
- return ret;
-}
-/* }}} */
-
-/* {{{ STATUS http_send_etag(char *, size_t) */
-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);
- 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_SET(HTTP_G->send.unquoted_etag, estrndup(etag, etag_len));
-
- 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)
-{
- 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);
-
- return http_send_header_ex("Content-Type", lenof("Content-Type"), content_type, ct_len, 1, NULL);
-}
-/* }}} */
-
-/* {{{ STATUS http_send_content_disposition(char *, size_t, zend_bool) */
-PHP_HTTP_API STATUS _http_send_content_disposition(const char *filename, size_t f_len, zend_bool send_inline TSRMLS_DC)
-{
- STATUS status;
- char *cd_header;
-
- if (send_inline) {
- cd_header = ecalloc(1, sizeof("Content-Disposition: inline; filename=\"\"") + f_len);
- sprintf(cd_header, "Content-Disposition: inline; filename=\"%s\"", filename);
- } else {
- cd_header = ecalloc(1, sizeof("Content-Disposition: attachment; filename=\"\"") + f_len);
- sprintf(cd_header, "Content-Disposition: attachment; filename=\"%s\"", filename);
- }
-
- status = http_send_header_string(cd_header);
- efree(cd_header);
- return status;
-}
-/* }}} */
-
-/* {{{ STATUS http_send(void *, size_t, http_send_mode) */
-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;
-
- if (!data_ptr) {
- return FAILURE;
- }
- if (!data_size) {
- return SUCCESS;
- }
-
- /* 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);
-
- 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;
- }
- }
- 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;
- }
- }
- return FAILURE;
-}
-/* }}} */
-
-/* {{{ STATUS http_send_stream(php_stream *) */
-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;
- }
-
- 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);
- }
-
- return status;
-}
-/* }}} */
-
-/* {{{ 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
- * c-basic-offset: 4
- * End:
- * vim600: sw=4 ts=4 fdm=marker
- * vim<600: sw=4 ts=4
- */
-
projects / m6w6 / ext-http / blobdiff