/* $Id$ */
+#define _WINSOCKAPI_
+#define ZEND_INCLUDE_FULL_WINDOWS_HEADERS
+
#ifdef HAVE_CONFIG_H
-#include "config.h"
+# include "config.h"
#endif
#include "php.h"
+#include "php_ini.h"
+#include "snprintf.h"
#include "ext/standard/info.h"
-#include "ext/standard/datetime.h"
#include "ext/session/php_session.h"
#include "ext/standard/php_string.h"
#include "ext/standard/php_smart_str.h"
+#include "SAPI.h"
+
#include "php_http.h"
#include "php_http_api.h"
-#if defined(HAVE_CURL) && HAVE_CURL
-#include <curl/curl.h>
+#ifdef ZEND_ENGINE_2
+# include "ext/standard/php_http.h"
#endif
+#ifdef HTTP_HAVE_CURL
+
+# ifdef PHP_WIN32
+# include <winsock2.h>
+# include <sys/types.h>
+# endif
+
+# include <curl/curl.h>
+
+/* {{{ ARG_INFO */
+# ifdef ZEND_BEGIN_ARG_INFO
+ZEND_BEGIN_ARG_INFO(http_request_info_ref_3, 0)
+ ZEND_ARG_PASS_INFO(0)
+ ZEND_ARG_PASS_INFO(0)
+ ZEND_ARG_PASS_INFO(1)
+ZEND_END_ARG_INFO();
+
+ZEND_BEGIN_ARG_INFO(http_request_info_ref_4, 0)
+ ZEND_ARG_PASS_INFO(0)
+ ZEND_ARG_PASS_INFO(0)
+ ZEND_ARG_PASS_INFO(0)
+ ZEND_ARG_PASS_INFO(1)
+ZEND_END_ARG_INFO();
+# else
+static unsigned char http_request_info_ref_3[] = {3, BYREF_NONE, BYREF_NONE, BYREF_FORCE};
+static unsigned char http_request_info_ref_4[] = {4, BYREF_NONE, BYREF_NONE, BYREF_NONE, BYREF_FORCE};
+# endif
+/* }}} ARG_INFO */
+
+#endif /* HTTP_HAVE_CURL */
+
ZEND_DECLARE_MODULE_GLOBALS(http)
#ifdef COMPILE_DL_HTTP
ZEND_GET_MODULE(http)
#endif
+
/* {{{ http_functions[] */
function_entry http_functions[] = {
PHP_FE(http_date, NULL)
PHP_FE(http_match_etag, NULL)
PHP_FE(http_cache_last_modified, NULL)
PHP_FE(http_cache_etag, NULL)
- PHP_FE(http_accept_ranges, NULL)
PHP_FE(http_content_type, NULL)
PHP_FE(http_content_disposition, NULL)
PHP_FE(http_send_data, NULL)
PHP_FE(http_send_stream, NULL)
PHP_FE(http_chunked_decode, NULL)
PHP_FE(http_split_response, NULL)
-#if defined(HAVE_CURL) && HAVE_CURL
- PHP_FE(http_get, NULL)
- PHP_FE(http_head, NULL)
- PHP_FE(http_post_data, NULL)
- PHP_FE(http_post_array, NULL)
+ PHP_FE(http_parse_headers, NULL)
+ PHP_FE(http_get_request_headers, NULL)
+#ifdef HTTP_HAVE_CURL
+ PHP_FE(http_get, http_request_info_ref_3)
+ PHP_FE(http_head, http_request_info_ref_3)
+ PHP_FE(http_post_data, http_request_info_ref_4)
+ PHP_FE(http_post_array, http_request_info_ref_4)
#endif
PHP_FE(http_auth_basic, NULL)
PHP_FE(http_auth_basic_cb, NULL)
+#ifndef ZEND_ENGINE_2
+ PHP_FE(http_build_query, NULL)
+#endif
{NULL, NULL, NULL}
};
/* }}} */
/* }}} */
#define RETURN_SUCCESS(v) RETURN_BOOL(SUCCESS == (v))
+#define HASH_ORNULL(z) ((z) ? Z_ARRVAL_P(z) : NULL)
/* {{{ proto string http_date([int timestamp])
*
/* {{{ proto bool http_send_status(int status)
*
* Send HTTP status code.
- * This function sends the desired HTTP status code along with its corresponding
- * status message, e.g. calling http_send_status(304) will issue a
- * "Status: 304 Not Modified" with CGI-SAPIs and "HTTP/1.1 304 Not Modified"
- * when PHP is run as web server module.
*
*/
PHP_FUNCTION(http_send_status)
*
* This converts the given timestamp to a valid HTTP date and
* sends it as "Last-Modified" HTTP header. If timestamp is
- * omitted, current time is taken.
+ * omitted, current time is sent.
*
*/
PHP_FUNCTION(http_send_last_modified)
/* {{{ proto bool http_match_modified([int timestamp])
*
- * Matches the given timestamp against the clients "If-Modified-Since" and
+ * Matches the given timestamp against the clients "If-Modified-Since" resp.
* "If-Unmodified-Since" HTTP headers.
*
*/
/* {{{ proto bool http_match_etag(string etag)
*
* This matches the given ETag against the clients
- * "If-Match" and "If-None-Match" HTTP headers.
+ * "If-Match" resp. "If-None-Match" HTTP headers.
*
*/
PHP_FUNCTION(http_match_etag)
* If timestamp_or_exires is greater than 0, it is handled as timestamp
* and will be sent as date of last modification. If it is 0 or omitted,
* the current time will be sent as Last-Modified date. If it's negative,
- * it is handled as expiration tim in seconds, which means that if the
+ * it is handled as expiration time in seconds, which means that if the
* requested last modification date is not between the calculated timespan,
* the Last-Modified header is updated and the actual body will be sent.
*
/* 0 or omitted */
if (!last_modified) {
- /* does the client have? */
+ /* does the client have? (att: caching "forever") */
if (zlm = http_get_server_var("HTTP_IF_MODIFIED_SINCE")) {
last_modified = send_modified = http_parse_date(Z_STRVAL_P(zlm));
- /* use current time */
+ /* send current time */
} else {
- last_modified = send_modified = t;
+ send_modified = t;
}
/* negative value is supposed to be expiration time */
} else if (last_modified < 0) {
RETURN_FALSE;
}
- /* send remaining data to nirvana */
- http_send_header("Connection: close");
+ php_end_ob_buffers(0 TSRMLS_CC);
http_send_header("Cache-Control: private, must-revalidate, max-age=0");
+ if (etag_len) {
+ RETURN_SUCCESS(http_send_etag(etag, etag_len));
+ }
+
/* if no etag is given and we didn't already
* start ob_etaghandler -- start it
*/
- if (!HTTP_G(etag_started) && !etag_len) {
+ if (!HTTP_G(etag_started)) {
php_ob_set_internal_handler(_http_ob_etaghandler, (uint) 4096, "etag output handler", 0 TSRMLS_CC);
HTTP_G(etag_started) = 1;
RETURN_BOOL(php_start_ob_buffer_named("etag output handler", (uint) 4096, 0 TSRMLS_CC));
}
}
- RETURN_SUCCESS(http_send_etag(etag, etag_len));
}
/* }}} */
* ("301 Moved Permanently") or a temporary ("302 Found") redirection
* status code.
*
+ * To be RFC compliant, "Redirecting to <a>URI</a>." will be displayed,
+ * if the client doesn't redirect immediatly.
*/
PHP_FUNCTION(http_redirect)
{
zend_bool session = 0, permanent = 0;
zval *params = NULL;
smart_str qstr = {0};
- char *url, *URI, LOC[HTTP_URI_MAXLEN + 9];
+ char *url, *URI, LOC[HTTP_URI_MAXLEN + 9], RED[HTTP_URI_MAXLEN * 2 + 34];
- if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|sa!bb", &url, &url_len, ¶ms, &session, &permanent) != SUCCESS) {
+ if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|sa!/bb", &url, &url_len, ¶ms, &session, &permanent) != SUCCESS) {
RETURN_FALSE;
}
URI = http_absolute_uri(url, NULL);
if (qstr.c) {
snprintf(LOC, HTTP_URI_MAXLEN + strlen("Location: "), "Location: %s?%s", URI, qstr.c);
+ sprintf(RED, "Redirecting to <a href=\"%s?%s\">%s?%s</a>.\n", URI, qstr.c, URI, qstr.c);
efree(qstr.c);
} else {
snprintf(LOC, HTTP_URI_MAXLEN + strlen("Location: "), "Location: %s", URI);
+ sprintf(RED, "Redirecting to <a href=\"%s\">%s</a>.\n", URI, URI);
}
efree(URI);
- RETVAL_BOOL((SUCCESS == http_send_header(LOC)) && (SUCCESS == http_send_status((permanent ? 301 : 302))));
+ if ((SUCCESS == http_send_header(LOC)) && (SUCCESS == http_send_status((permanent ? 301 : 302)))) {
+ php_body_write(RED, strlen(RED) TSRMLS_CC);
+ RETURN_TRUE;
+ }
+ RETURN_FALSE;
}
/* }}} */
}
convert_to_string_ex(&zdata);
-
+ http_send_header("Accept-Ranges: bytes");
RETURN_SUCCESS(http_send_data(zdata));
}
/* }}} */
}
convert_to_string_ex(&zfile);
-
+ http_send_header("Accept-Ranges: bytes");
RETURN_SUCCESS(http_send_file(zfile));
}
/* }}} */
}
php_stream_from_zval(file, &zstream);
-
+ http_send_header("Accept-Ranges: bytes");
RETURN_SUCCESS(http_send_stream(file));
}
/* }}} */
-/* {{{ proto bool http_accept_ranges(void)
- *
- * Issues a "Accept-Ranges: bytes" header.
- *
- * Example:
- * <pre>
- * <?php
- * http_content_type('application/x-zip');
- * http_content_disposition('latest.zip');
- * http_accept_ranges();
- * http_cache_etag();
- * http_send_file('../some/download.zip');
- * ?>
- * </pre>
- *
- */
-PHP_FUNCTION(http_accept_ranges)
-{
- if (ZEND_NUM_ARGS()) {
- WRONG_PARAM_COUNT;
- }
- RETURN_SUCCESS(http_send_header("Accept-Ranges: bytes"));
-}
-/* }}} */
-
/* {{{ proto bool http_content_type([string content_type = 'application/x-octetstream'])
*
* Sets the content type.
* content body. The returned array may look simliar to the following example:
*
* <pre>
+ * <?php
* array(
* 0 => array(
* 'Status' => '200 Ok',
* ),
* 1 => "Hello World!"
* );
+ * ?>
* </pre>
*/
PHP_FUNCTION(http_split_response)
MAKE_STD_ZVAL(zheaders);
array_init(zheaders);
- http_split_response(zresponse, zheaders, zbody);
+ if (SUCCESS != http_split_response(zresponse, zheaders, zbody)) {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "Could not parse HTTP response");
+ RETURN_FALSE;
+ }
array_init(return_value);
add_index_zval(return_value, 0, zheaders);
}
/* }}} */
+/* {{{ proto array http_parse_headers(string header)
+ *
+ */
+PHP_FUNCTION(http_parse_headers)
+{
+ char *header, *rnrn;
+ int header_len;
+
+ if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &header, &header_len)) {
+ RETURN_FALSE;
+ }
+
+ array_init(return_value);
+
+ if (rnrn = strstr(header, HTTP_CRLF HTTP_CRLF)) {
+ header_len = rnrn - header + 2;
+ }
+ if (SUCCESS != http_parse_headers(header, header_len, return_value)) {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "Could not parse HTTP header");
+ zval_dtor(return_value);
+ RETURN_FALSE;
+ }
+}
+/* }}}*/
+
+/* {{{ proto array http_get_request_headers(void)
+ *
+ */
+PHP_FUNCTION(http_get_request_headers)
+{
+ if (ZEND_NUM_ARGS()) {
+ WRONG_PARAM_COUNT;
+ }
+
+ array_init(return_value);
+ http_get_request_headers(return_value);
+}
+/* }}} */
+
/* {{{ HAVE_CURL */
-#if defined(HAVE_CURL) && HAVE_CURL
+#ifdef HTTP_HAVE_CURL
-/* {{{ proto string http_get(string url[, array options])
+/* {{{ proto string http_get(string url[, array options[, array &info]])
*
* Performs an HTTP GET request on the supplied url.
*
* The second parameter is expected to be an associative
* array where the following keys will be recognized:
* <pre>
- * - redirect: int, whether and how many redirects to follow
+ * - redirect: int, whether and how many redirects to follow
* - unrestrictedauth: bool, whether to continue sending credentials on
- * redirects to a different host
+ * redirects to a different host
* - proxyhost: string, proxy host in "host[:port]" format
* - proxyport: int, use another proxy port as specified in proxyhost
* - proxyauth: string, proxy credentials in "user:pass" format
* - httpauth: string, http credentials in "user:pass" format
* - httpauthtype: int, HTTP_AUTH_BASIC, DIGEST and/or NTLM
* - compress: bool, whether to allow gzip/deflate content encoding
+ * (defaults to true)
* - port: int, use another port as specified in the url
* - referer: string, the referer to sends
* - useragent: string, the user agent to send
- * - headers: array, list of custom headers in "header: value" format
- * - cookies: array, list of cookies in "name=value" format
+ * (defaults to PECL::HTTP/version (PHP/version)))
+ * - headers: array, list of custom headers as associative array
+ * like array("header" => "value")
+ * - cookies: array, list of cookies as associative array
+ * like array("cookie" => "value")
* - cookiestore: string, path to a file where cookies are/will be stored
* </pre>
+ *
+ * The optional third parameter will be filled with some additional information
+ * in form af an associative array, if supplied, like the following example:
+ * <pre>
+ * <?php
+ * array (
+ * 'effective_url' => 'http://localhost',
+ * 'response_code' => 403,
+ * 'total_time' => 0.017,
+ * 'namelookup_time' => 0.013,
+ * 'connect_time' => 0.014,
+ * 'pretransfer_time' => 0.014,
+ * 'size_upload' => 0,
+ * 'size_download' => 202,
+ * 'speed_download' => 11882,
+ * 'speed_upload' => 0,
+ * 'header_size' => 145,
+ * 'request_size' => 62,
+ * 'ssl_verifyresult' => 0,
+ * 'filetime' => -1,
+ * 'content_length_download' => 202,
+ * 'content_length_upload' => 0,
+ * 'starttransfer_time' => 0.017,
+ * 'content_type' => 'text/html; charset=iso-8859-1',
+ * 'redirect_time' => 0,
+ * 'redirect_count' => 0,
+ * 'private' => '',
+ * 'http_connectcode' => 0,
+ * 'httpauth_avail' => 0,
+ * 'proxyauth_avail' => 0,
+ * )
+ * ?>
+ * </pre>
*/
PHP_FUNCTION(http_get)
{
char *URL, *data = NULL;
size_t data_len = 0;
int URL_len;
- zval *options = NULL;
+ zval *options = NULL, *info = NULL;
- if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|a", &URL, &URL_len, &options) != SUCCESS) {
+ if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|a/!z", &URL, &URL_len, &options, &info) != SUCCESS) {
RETURN_FALSE;
}
- if (SUCCESS == http_get(URL, options ? Z_ARRVAL_P(options) : NULL, &data, &data_len)) {
+ if (info) {
+ zval_dtor(info);
+ array_init(info);
+ }
+
+ if (SUCCESS == http_get(URL, HASH_ORNULL(options), HASH_ORNULL(info), &data, &data_len)) {
RETURN_STRINGL(data, data_len, 0);
} else {
RETURN_FALSE;
}
/* }}} */
-/* {{{ proto string http_head(string url[, array options])
+/* {{{ proto string http_head(string url[, array options[, array &info]])
*
* Performs an HTTP HEAD request on the suppied url.
* Returns the HTTP response as string.
char *URL, *data = NULL;
size_t data_len = 0;
int URL_len;
- zval *options = NULL;
+ zval *options = NULL, *info = NULL;
- if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|a", &URL, &URL_len, &options) != SUCCESS) {
+ if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|a/!z", &URL, &URL_len, &options, &info) != SUCCESS) {
RETURN_FALSE;
}
- if (SUCCESS == http_head(URL, options ? Z_ARRVAL_P(options) : NULL, &data, &data_len)) {
+ if (info) {
+ zval_dtor(info);
+ array_init(info);
+ }
+
+ if (SUCCESS == http_head(URL, HASH_ORNULL(options), HASH_ORNULL(info), &data, &data_len)) {
RETURN_STRINGL(data, data_len, 0);
} else {
RETURN_FALSE;
}
/* }}} */
-/* {{{ proto string http_post_data(string url, string data[, array options])
+/* {{{ proto string http_post_data(string url, string data[, array options[, &info]])
*
* Performs an HTTP POST request, posting data.
* Returns the HTTP response as string.
char *URL, *postdata, *data = NULL;
size_t data_len = 0;
int postdata_len, URL_len;
- zval *options = NULL;
+ zval *options = NULL, *info = NULL;
- if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss|a", &URL, &URL_len, &postdata, &postdata_len, &options) != SUCCESS) {
+ if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss|a/!z", &URL, &URL_len, &postdata, &postdata_len, &options, &info) != SUCCESS) {
RETURN_FALSE;
}
- if (SUCCESS == http_post_data(URL, postdata, (size_t) postdata_len, options ? Z_ARRVAL_P(options) : NULL, &data, &data_len)) {
+ if (info) {
+ zval_dtor(info);
+ array_init(info);
+ }
+
+ if (SUCCESS == http_post_data(URL, postdata, (size_t) postdata_len, HASH_ORNULL(options), HASH_ORNULL(info), &data, &data_len)) {
RETURN_STRINGL(data, data_len, 0);
} else {
RETURN_FALSE;
}
/* }}} */
-/* {{{ proto string http_post_data(string url, array data[, array options])
+/* {{{ proto string http_post_array(string url, array data[, array options[, array &info]])
*
* Performs an HTTP POST request, posting www-form-urlencoded array data.
* Returns the HTTP response as string.
char *URL, *data = NULL;
size_t data_len = 0;
int URL_len;
- zval *options = NULL, *postdata;
+ zval *options = NULL, *info = NULL, *postdata;
- if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sa|a", &URL, &URL_len, &postdata, &options) != SUCCESS) {
+ if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sa|a/!z", &URL, &URL_len, &postdata, &options, &info) != SUCCESS) {
RETURN_FALSE;
}
- if (SUCCESS == http_post_array(URL, Z_ARRVAL_P(postdata), options ? Z_ARRVAL_P(options) : NULL, &data, &data_len)) {
+ if (info) {
+ zval_dtor(info);
+ array_init(info);
+ }
+
+ if (SUCCESS == http_post_array(URL, Z_ARRVAL_P(postdata), HASH_ORNULL(options), HASH_ORNULL(info), &data, &data_len)) {
RETURN_STRINGL(data, data_len, 0);
} else {
RETURN_FALSE;
{
http_globals->etag_started = 0;
http_globals->ctype = NULL;
-#if defined(HAVE_CURL) && HAVE_CURL
+ http_globals->etag = NULL;
+ http_globals->lmod = 0;
+#ifdef HTTP_HAVE_CURL
http_globals->curlbuf.body.data = NULL;
http_globals->curlbuf.body.used = 0;
http_globals->curlbuf.body.free = 0;
http_globals->curlbuf.hdrs.used = 0;
http_globals->curlbuf.hdrs.free = 0;
#endif
+ http_globals->allowed_methods = NULL;
}
/* }}} */
+/* {{{ static inline STATUS http_check_allowed_methods(char *, int) */
+#define http_check_allowed_methods(m, l) _http_check_allowed_methods((m), (l) TSRMLS_CC)
+static inline void _http_check_allowed_methods(char *methods, int length TSRMLS_DC)
+{
+ if (length && SG(request_info).request_method && (!strstr(methods, SG(request_info).request_method))) {
+ char *allow_header = emalloc(length + sizeof("Allow: "));
+ sprintf(allow_header, "Allow: %s", methods);
+ http_send_header(allow_header);
+ efree(allow_header);
+ http_send_status(405);
+ zend_bailout();
+ }
+}
+/* }}} */
+
+/* {{{ PHP_INI */
+PHP_INI_MH(update_allowed_methods)
+{
+ http_check_allowed_methods(new_value, new_value_length);
+ return OnUpdateString(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
+}
+
+PHP_INI_BEGIN()
+ STD_PHP_INI_ENTRY("http.allowed_methods", "OPTIONS,GET,HEAD,POST,PUT,DELETE,TRACE,CONNECT", PHP_INI_ALL, update_allowed_methods, allowed_methods, zend_http_globals, http_globals)
+PHP_INI_END()
+/* }}} */
+
/* {{{ PHP_MINIT_FUNCTION */
PHP_MINIT_FUNCTION(http)
{
ZEND_INIT_MODULE_GLOBALS(http, php_http_init_globals, NULL);
-#if defined(HAVE_CURL) && HAVE_CURL
+ REGISTER_INI_ENTRIES();
+#ifdef HTTP_HAVE_CURL
REGISTER_LONG_CONSTANT("HTTP_AUTH_BASIC", CURLAUTH_BASIC, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("HTTP_AUTH_DIGEST", CURLAUTH_DIGEST, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("HTTP_AUTH_NTLM", CURLAUTH_NTLM, CONST_CS | CONST_PERSISTENT);
}
/* }}} */
+/* {{{ PHP_MSHUTDOWN_FUNCTION */
+PHP_MSHUTDOWN_FUNCTION(http)
+{
+ UNREGISTER_INI_ENTRIES();
+ return SUCCESS;
+}
+/* }}} */
+
+/* {{{ PHP_RINIT_FUNCTION */
+PHP_RINIT_FUNCTION(http)
+{
+ char *allowed_methods = INI_STR("http.allowed_methods");
+ http_check_allowed_methods(allowed_methods, strlen(allowed_methods));
+ return SUCCESS;
+}
+/* }}} */
+
/* {{{ PHP_RSHUTDOWN_FUNCTION */
PHP_RSHUTDOWN_FUNCTION(http)
{
+ HTTP_G(etag_started) = 0;
+ HTTP_G(lmod) = 0;
+
+ if (HTTP_G(etag)) {
+ efree(HTTP_G(etag));
+ HTTP_G(etag) = NULL;
+ }
+
if (HTTP_G(ctype)) {
efree(HTTP_G(ctype));
+ HTTP_G(ctype) = NULL;
}
-#if defined(HAVE_CURL) && HAVE_CURL
+#ifdef HTTP_HAVE_CURL
if (HTTP_G(curlbuf).body.data) {
efree(HTTP_G(curlbuf).body.data);
+ HTTP_G(curlbuf).body.data = NULL;
}
if (HTTP_G(curlbuf).hdrs.data) {
efree(HTTP_G(curlbuf).hdrs.data);
+ HTTP_G(curlbuf).hdrs.data = NULL;
}
#endif
return SUCCESS;
php_info_print_table_header(2, "Extended HTTP support", "enabled");
php_info_print_table_row(2, "Version:", PHP_EXT_HTTP_VERSION);
php_info_print_table_row(2, "cURL convenience functions:",
-#if defined(HAVE_CURL) && HAVE_CURL
+#ifdef HTTP_HAVE_CURL
"enabled"
#else
"disabled"
#endif
);
php_info_print_table_end();
+
+ DISPLAY_INI_ENTRIES();
}
/* }}} */
* vim600: noet sw=4 ts=4 fdm=marker
* vim<600: noet sw=4 ts=4
*/
+
projects / m6w6 / ext-http / blobdiff