#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
-
#include "php.h"
+
+#include "SAPI.h"
#include "php_streams.h"
#include "ext/standard/php_lcg.h"
-#include "SAPI.h"
#include "php_http.h"
#include "php_http_std_defs.h"
ZEND_EXTERN_MODULE_GLOBALS(http);
+#define http_flush() _http_flush(TSRMLS_C)
+/* {{{ static inline void http_flush() */
+static inline void _http_flush(TSRMLS_D)
+{
+ php_end_ob_buffer(1, 1 TSRMLS_CC);
+ sapi_flush(TSRMLS_C);
+}
+/* }}} */
+
+#define http_sleep() _http_sleep(TSRMLS_C)
+/* {{{ static inline void http_sleep() */
+static inline void _http_sleep(TSRMLS_D)
+{
+#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;
+ }
+#endif
+ }
+}
+/* }}} */
+
+#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)
case SEND_RSRC:
{
char *buf;
- size_t read = 0;
php_stream *s = (php_stream *) data;
if (php_stream_seek(s, begin, SEEK_SET)) {
return FAILURE;
}
- buf = (char *) ecalloc(1, HTTP_SENDBUF_SIZE);
- /* read into buf and write out */
- while ((len -= HTTP_SENDBUF_SIZE) >= 0) {
- if (!(read = php_stream_read(s, buf, HTTP_SENDBUF_SIZE))) {
- efree(buf);
- return FAILURE;
- }
- if (read - php_body_write(buf, read TSRMLS_CC)) {
- efree(buf);
- return FAILURE;
- }
- /* ob_flush() && flush() */
- php_end_ob_buffer(1, 1 TSRMLS_CC);
- sapi_flush(TSRMLS_C);
+ 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) {
- if (read = php_stream_read(s, buf, HTTP_SENDBUF_SIZE + len)) {
- if (read - php_body_write(buf, read TSRMLS_CC)) {
- efree(buf);
- return FAILURE;
- }
- } else {
- efree(buf);
- return FAILURE;
- }
- /* ob_flush() & flush() */
- php_end_ob_buffer(1, 1 TSRMLS_CC);
- sapi_flush(TSRMLS_C);
+ HTTP_CHUNK_WRITE(buf, php_stream_read(s, buf, HTTP_G(send).buffer_size + len), 1, 0);
}
+
efree(buf);
return SUCCESS;
}
{
char *s = (char *) data + begin;
- while ((len -= HTTP_SENDBUF_SIZE) >= 0) {
- if (HTTP_SENDBUF_SIZE - php_body_write(s, HTTP_SENDBUF_SIZE TSRMLS_CC)) {
- return FAILURE;
- }
- s += HTTP_SENDBUF_SIZE;
- /* ob_flush() & flush() */
- php_end_ob_buffer(1, 1 TSRMLS_CC);
- sapi_flush(TSRMLS_C);
+ while (HTTP_CHUNK_AVAIL(len)) {
+ HTTP_CHUNK_WRITE(s, HTTP_G(send).buffer_size, 0, 1);
+ s += HTTP_G(send).buffer_size;
}
/* write left over */
if (len) {
- if (HTTP_SENDBUF_SIZE + len - php_body_write(s, HTTP_SENDBUF_SIZE + len TSRMLS_CC)) {
- return FAILURE;
- }
- /* ob_flush() & flush() */
- php_end_ob_buffer(1, 1 TSRMLS_CC);
- sapi_flush(TSRMLS_C);
+ HTTP_CHUNK_WRITE(s, HTTP_G(send).buffer_size + len, 0, 0);
}
+
return SUCCESS;
}
}
/* }}} */
+/* {{{ 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;
+ size_t header_len = sizeof(": ") + name_len + value_len + 1;
+ 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);
+ return ret;
+}
+/* }}} */
/* {{{ STATUS http_send_status_header(int, char *) */
-PHP_HTTP_API STATUS _http_send_status_header(int status, const char *header TSRMLS_DC)
+PHP_HTTP_API STATUS _http_send_status_header_ex(int status, const char *header, zend_bool replace TSRMLS_DC)
{
STATUS ret;
sapi_header_line h = {(char *) header, header ? strlen(header) : 0, status};
- if (SUCCESS != (ret = sapi_header_op(SAPI_HEADER_REPLACE, &h TSRMLS_CC))) {
- http_error_ex(E_WARNING, HTTP_E_HEADER, "Could not send header: %s (%d)", header, 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(time_t t TSRMLS_DC)
+PHP_HTTP_API STATUS _http_send_last_modified_ex(time_t t, char **sent_header TSRMLS_DC)
{
- char *date = NULL;
- if (date = http_date(t)) {
- char modified[96] = "Last-Modified: ";
- strcat(modified, date);
- efree(date);
-
- /* remember */
- HTTP_G(lmod) = t;
+ STATUS ret;
+ char *date = http_date(t);
- return http_send_header(modified);
+ if (!date) {
+ return FAILURE;
}
- return FAILURE;
+
+ ret = http_send_header_ex("Last-Modified", lenof("Last-Modifed"), 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(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;
if (!etag_len){
- http_error_ex(E_WARNING, HTTP_E_HEADER, "Attempt to send empty ETag (previous: %s)\n", HTTP_G(etag));
+ http_error_ex(HE_WARNING, HTTP_E_HEADER, "Attempt to send empty ETag (previous: %s)\n", HTTP_G(send).unquoted_etag);
return FAILURE;
}
/* remember */
- if (HTTP_G(etag)) {
- efree(HTTP_G(etag));
- }
- HTTP_G(etag) = estrdup(etag);
+ STR_FREE(HTTP_G(send).unquoted_etag);
+ HTTP_G(send).unquoted_etag = estrdup(etag);
etag_header = ecalloc(1, sizeof("ETag: \"\"") + etag_len);
sprintf(etag_header, "ETag: \"%s\"", etag);
- status = http_send_header(etag_header);
- efree(etag_header);
- return status;
-}
-/* }}} */
-
-/* {{{ STATUS http_send_cache_control(char *, size_t) */
-PHP_HTTP_API STATUS _http_send_cache_control(const char *cache_control, size_t cc_len TSRMLS_DC)
-{
- STATUS status;
- char *cc_header = ecalloc(1, sizeof("Cache-Control: ") + cc_len);
-
- sprintf(cc_header, "Cache-Control: %s", cache_control);
- status = http_send_header(cc_header);
- efree(cc_header);
+ status = http_send_header_string(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)
{
- STATUS status;
- char *ct_header;
-
if (!strchr(content_type, '/')) {
- http_error_ex(E_WARNING, HTTP_E_PARAM, "Content-Type '%s' doesn't seem to consist of a primary and a secondary part", 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;
}
/* remember for multiple ranges */
- if (HTTP_G(ctype)) {
- efree(HTTP_G(ctype));
- }
- HTTP_G(ctype) = estrndup(content_type, ct_len);
+ STR_FREE(HTTP_G(send).content_type);
+ HTTP_G(send).content_type = estrndup(content_type, ct_len);
- ct_header = ecalloc(1, sizeof("Content-Type: ") + ct_len);
- sprintf(ct_header, "Content-Type: %s", content_type);
- status = http_send_header(ct_header);
- efree(ct_header);
- return status;
+ return http_send_header_ex("Content-Type", lenof("Content-Type"), content_type, ct_len, 1, NULL);
}
/* }}} */
sprintf(cd_header, "Content-Disposition: attachment; filename=\"%s\"", filename);
}
- status = http_send_header(cd_header);
+ status = http_send_header_string(cd_header);
efree(cd_header);
return status;
}
/* {{{ 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;
+ zval **zbegin, **zend, **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)) {
+ SUCCESS != zend_hash_index_find(Z_ARRVAL_PP(zrange), 0, (void **) &zbegin) ||
+ SUCCESS != zend_hash_index_find(Z_ARRVAL_PP(zrange), 1, (void **) &zend)) {
+ 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 %d-%d/%d", **begin, **end, size);
- http_send_header(range_header);
+ snprintf(range_header, 255, "Content-Range: bytes %ld-%ld/%lu", Z_LVAL_PP(zbegin), Z_LVAL_PP(zend), (ulong) size);
+ http_send_header_string(range_header);
/* send requested chunk */
- return http_send_chunk(data, **begin, **end + 1, mode);
+ return http_send_chunk(data, Z_LVAL_PP(zbegin), Z_LVAL_PP(zend) + 1, mode);
}
/* multi range */
else {
+ size_t preface_len;
char bound[23] = {0}, preface[1024] = {0},
multi_header[68] = "Content-Type: multipart/byteranges; boundary=";
http_send_status(206);
/* send multipart/byteranges header */
- snprintf(bound, 22, "--%d%0.9f", time(NULL), php_combined_lcg(TSRMLS_C));
+ snprintf(bound, 22, "--%lu%0.9f", (ulong) time(NULL), php_combined_lcg(TSRMLS_C));
strncat(multi_header, bound + 2, 21);
- http_send_header(multi_header);
+ 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)) {
+ if (SUCCESS != zend_hash_index_find(Z_ARRVAL_PP(zrange), 0, (void **) &zbegin) ||
+ SUCCESS != zend_hash_index_find(Z_ARRVAL_PP(zrange), 1, (void **) &zend)) {
break;
}
- snprintf(preface, 1023,
+ preface_len = snprintf(preface, 1023,
HTTP_CRLF "%s"
HTTP_CRLF "Content-Type: %s"
- HTTP_CRLF "Content-Range: bytes %ld-%ld/%ld"
+ HTTP_CRLF "Content-Range: bytes %ld-%ld/%lu"
HTTP_CRLF
HTTP_CRLF,
bound,
- HTTP_G(ctype) ? HTTP_G(ctype) : "application/x-octetstream",
- **begin,
- **end,
- size
+ HTTP_G(send).content_type ? HTTP_G(send).content_type : "application/x-octetstream",
+ Z_LVAL_PP(zbegin),
+ Z_LVAL_PP(zend),
+ (ulong) size
);
- php_body_write(preface, strlen(preface) TSRMLS_CC);
- http_send_chunk(data, **begin, **end + 1, mode);
+ PHPWRITE(preface, preface_len);
+ http_send_chunk(data, Z_LVAL_PP(zbegin), Z_LVAL_PP(zend) + 1, mode);
}
/* write boundary once more */
- php_body_write(HTTP_CRLF, sizeof(HTTP_CRLF) - 1 TSRMLS_CC);
- php_body_write(bound, strlen(bound) TSRMLS_CC);
- php_body_write("--", 2 TSRMLS_CC);
+ 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)
{
HashTable ranges;
http_range_status range_status;
}
/* stop on-the-fly etag generation */
- if (cache_etag = HTTP_G(etag_started)) {
+ if (cache_etag = HTTP_G(etag).started) {
/* interrupt ob_etaghandler */
- HTTP_G(etag_started) = 0;
+ 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);
/* Range Request - only send ranges if entity hasn't changed */
if ( range_status == RANGE_OK &&
- http_match_etag_ex("HTTP_IF_MATCH", HTTP_G(etag), 0) &&
- http_match_last_modified_ex("HTTP_IF_UNMODIFIED_SINCE", HTTP_G(lmod), 0)) {
+ 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 */
- if (cache_etag) {
+ /* send 304 Not Modified if etag matches - DON'T return on ETag generation failure */
+ if (!no_cache && cache_etag) {
char *etag = NULL;
if (!(etag = http_etag(data_ptr, data_size, data_mode))) {
- return FAILURE;
- }
- if (SUCCESS != http_send_etag(etag, 32)) {
+ http_error(HE_NOTICE, HTTP_E_RUNTIME, "Failed to generate ETag for data source");
+ } else {
+ char *sent_header = NULL;
+
+ http_send_etag_ex(etag, 32, &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);
+ }
efree(etag);
- return FAILURE;
}
- if (http_match_etag("HTTP_IF_NONE_MATCH", etag)) {
- return http_cache_exit(etag, 1, 1);
- }
- efree(etag);
}
/* send 304 Not Modified if last modified matches */
- if (http_match_last_modified("HTTP_IF_MODIFIED_SINCE", HTTP_G(lmod))) {
- return http_cache_exit(http_date(HTTP_G(lmod)), 0, 1);
+ if (!no_cache && 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);
}
+ /* 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);
}
/* }}} */
/* {{{ 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;
- if ((!file) || php_stream_stat(file, &HTTP_G(ssb))) {
+ if ((!file) || php_stream_stat(file, &ssb)) {
return FAILURE;
}
- status = http_send(file, HTTP_G(ssb).sb.st_size, SEND_RSRC);
+ status = http_send_ex(file, ssb.sb.st_size, SEND_RSRC, no_cache);
if (close_stream) {
php_stream_close(file);
}
/* }}} */
-
/*
* Local variables:
* tab-width: 4
projects / m6w6 / ext-http / blobdiff