Fix gh-issue #16

Switching to CURLOPT_CUSTOMREQUESTS for all methods made us lose the
default setting of curl's "Content-Length: 0" on empty POST/PUT/PATCH
requests.

diff --git a/src/php_http_message.c b/src/php_http_message.c
index e6cdbc8f143782b56784239e6ebde8e16b552477..74036f9db0fa6b125e0abec33120eead2fb8d19c 100644 (file)
--- a/src/php_http_message.c
+++ b/src/php_http_message.c
@@ -55,7 +55,7 @@ php_http_message_t *php_http_message_init_env(php_http_message_t *message, php_h
        int free_msg = !message;
        zval *sval, tval;
        php_http_message_body_t *mbody;
-       
+
        switch (type) {
                case PHP_HTTP_REQUEST:
                        mbody = php_http_env_get_request_body();
@@ -70,10 +70,9 @@ php_http_message_t *php_http_message_init_env(php_http_message_t *message, php_h
                        if ((sval = php_http_env_get_server_var(ZEND_STRL("REQUEST_URI"), 1))) {
                                message->http.info.request.url = php_http_url_parse(Z_STRVAL_P(sval), Z_STRLEN_P(sval), ~0);
                        }
-                       
                        php_http_env_get_request_headers(&message->hdrs);
                        break;
-                       
+
                case PHP_HTTP_RESPONSE:
                        message = php_http_message_init(NULL, type, NULL);
                        if (!SG(sapi_headers).http_status_line || !php_http_info_parse((php_http_info_t *) &message->http, SG(sapi_headers).http_status_line)) {
@@ -97,7 +96,7 @@ php_http_message_t *php_http_message_init_env(php_http_message_t *message, php_h
                                }
                        }
                        break;
-                       
+
                default:
                error:
                        if (free_msg) {
@@ -109,7 +108,7 @@ php_http_message_t *php_http_message_init_env(php_http_message_t *message, php_h
                        }
                        break;
        }
-       
+
        return message;
 }
 
@@ -233,11 +232,11 @@ void php_http_message_set_type(php_http_message_t *message, php_http_message_typ
                                PTR_FREE(message->http.info.request.method);
                                PTR_FREE(message->http.info.request.url);
                                break;
-                       
+
                        case PHP_HTTP_RESPONSE:
                                PTR_FREE(message->http.info.response.status);
                                break;
-                       
+
                        default:
                                break;
                }
@@ -256,12 +255,12 @@ void php_http_message_set_info(php_http_message_t *message, php_http_info_t *inf
                        PTR_SET(PHP_HTTP_INFO(message).request.url, PHP_HTTP_INFO(info).request.url ? php_http_url_copy(PHP_HTTP_INFO(info).request.url, 0) : NULL);
                        PTR_SET(PHP_HTTP_INFO(message).request.method, PHP_HTTP_INFO(info).request.method ? estrdup(PHP_HTTP_INFO(info).request.method) : NULL);
                        break;
-               
+
                case PHP_HTTP_RESPONSE:
                        PHP_HTTP_INFO(message).response.code = PHP_HTTP_INFO(info).response.code;
                        PTR_SET(PHP_HTTP_INFO(message).response.status, PHP_HTTP_INFO(info).response.status ? estrdup(PHP_HTTP_INFO(info).response.status) : NULL);
                        break;
-               
+
                default:
                        break;
        }
@@ -305,6 +304,24 @@ void php_http_message_update_headers(php_http_message_t *msg)
                        zend_hash_str_del(&msg->hdrs, ZEND_STRL("Content-Length"));
                }
                zend_string_release(cl);
+       } else if (msg->type == PHP_HTTP_REQUEST) {
+               if (!php_http_message_header(msg, ZEND_STRL("Transfer-Encoding"))) {
+                       /* no filter, no CR, no size, no TE, no CL */
+                       if (0 <= php_http_select_str(msg->http.info.request.method, 3, "POST", "PUT", "PATCH")) {
+                               /* quoting RFC7230#section-3.3.2
+                                       A user agent SHOULD send a Content-Length in a request message when
+                                       no Transfer-Encoding is sent and the request method defines a meaning
+                                       for an enclosed payload body.  For example, a Content-Length header
+                                       field is normally sent in a POST request even when the value is 0
+                                       (indicating an empty payload body).  A user agent SHOULD NOT send a
+                                       Content-Length header field when the request message does not contain
+                                       a payload body and the method semantics do not anticipate such a
+                                       body.
+                               */
+                               ZVAL_LONG(&h, 0);
+                               zend_hash_str_update(&msg->hdrs, "Content-Length", lenof("Content-Length"), &h);
+                       }
+               }
        }
 }
 
@@ -405,11 +422,11 @@ php_http_message_t *php_http_message_reverse(php_http_message_t *msg)
                for (i = 0; i < c-1; ++i) {
                        arr[i+1]->parent = arr[i];
                }
-               
+
                msg = arr[c-1];
                efree(arr);
        }
-       
+
        return msg;
 }
 
@@ -452,11 +469,12 @@ php_http_message_t *php_http_message_copy_ex(php_http_message_t *from, php_http_
                        php_http_message_set_info(temp->parent, &info);
                        array_copy(&from->parent->hdrs, &temp->parent->hdrs);
                
+
                        temp = temp->parent;
                        from = from->parent;
                }
        }
-       
+
        return copy;
 }
 
@@ -465,17 +483,17 @@ void php_http_message_dtor(php_http_message_t *message)
        if (message) {
                zend_hash_destroy(&message->hdrs);
                php_http_message_body_free(&message->body);
-               
+
                switch (message->type) {
                        case PHP_HTTP_REQUEST:
                                PTR_SET(message->http.info.request.method, NULL);
                                PTR_SET(message->http.info.request.url, NULL);
                                break;
-                       
+
                        case PHP_HTTP_RESPONSE:
                                PTR_SET(message->http.info.response.status, NULL);
                                break;
-                       
+
                        default:
                                break;
                }
@@ -2032,4 +2050,3 @@ PHP_MSHUTDOWN_FUNCTION(http_message)
  * vim600: noet sw=4 ts=4 fdm=marker
  * vim<600: noet sw=4 ts=4
  */
-