| /* |
| * |
| * Copyright 2015 gRPC authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| #include "src/core/lib/http/format_request.h" |
| |
| #include <stdarg.h> |
| #include <stdio.h> |
| #include <string.h> |
| |
| #include <grpc/slice.h> |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/string_util.h> |
| #include <grpc/support/useful.h> |
| #include "src/core/lib/support/string.h" |
| |
| static void fill_common_header(const grpc_httpcli_request *request, |
| gpr_strvec *buf, bool connection_close) { |
| size_t i; |
| gpr_strvec_add(buf, gpr_strdup(request->http.path)); |
| gpr_strvec_add(buf, gpr_strdup(" HTTP/1.0\r\n")); |
| /* just in case some crazy server really expects HTTP/1.1 */ |
| gpr_strvec_add(buf, gpr_strdup("Host: ")); |
| gpr_strvec_add(buf, gpr_strdup(request->host)); |
| gpr_strvec_add(buf, gpr_strdup("\r\n")); |
| if (connection_close) |
| gpr_strvec_add(buf, gpr_strdup("Connection: close\r\n")); |
| gpr_strvec_add(buf, |
| gpr_strdup("User-Agent: " GRPC_HTTPCLI_USER_AGENT "\r\n")); |
| /* user supplied headers */ |
| for (i = 0; i < request->http.hdr_count; i++) { |
| gpr_strvec_add(buf, gpr_strdup(request->http.hdrs[i].key)); |
| gpr_strvec_add(buf, gpr_strdup(": ")); |
| gpr_strvec_add(buf, gpr_strdup(request->http.hdrs[i].value)); |
| gpr_strvec_add(buf, gpr_strdup("\r\n")); |
| } |
| } |
| |
| grpc_slice grpc_httpcli_format_get_request( |
| const grpc_httpcli_request *request) { |
| gpr_strvec out; |
| char *flat; |
| size_t flat_len; |
| |
| gpr_strvec_init(&out); |
| gpr_strvec_add(&out, gpr_strdup("GET ")); |
| fill_common_header(request, &out, true); |
| gpr_strvec_add(&out, gpr_strdup("\r\n")); |
| |
| flat = gpr_strvec_flatten(&out, &flat_len); |
| gpr_strvec_destroy(&out); |
| |
| return grpc_slice_new(flat, flat_len, gpr_free); |
| } |
| |
| grpc_slice grpc_httpcli_format_post_request(const grpc_httpcli_request *request, |
| const char *body_bytes, |
| size_t body_size) { |
| gpr_strvec out; |
| char *tmp; |
| size_t out_len; |
| size_t i; |
| |
| gpr_strvec_init(&out); |
| |
| gpr_strvec_add(&out, gpr_strdup("POST ")); |
| fill_common_header(request, &out, true); |
| if (body_bytes) { |
| uint8_t has_content_type = 0; |
| for (i = 0; i < request->http.hdr_count; i++) { |
| if (strcmp(request->http.hdrs[i].key, "Content-Type") == 0) { |
| has_content_type = 1; |
| break; |
| } |
| } |
| if (!has_content_type) { |
| gpr_strvec_add(&out, gpr_strdup("Content-Type: text/plain\r\n")); |
| } |
| gpr_asprintf(&tmp, "Content-Length: %lu\r\n", (unsigned long)body_size); |
| gpr_strvec_add(&out, tmp); |
| } |
| gpr_strvec_add(&out, gpr_strdup("\r\n")); |
| tmp = gpr_strvec_flatten(&out, &out_len); |
| gpr_strvec_destroy(&out); |
| |
| if (body_bytes) { |
| tmp = (char *)gpr_realloc(tmp, out_len + body_size); |
| memcpy(tmp + out_len, body_bytes, body_size); |
| out_len += body_size; |
| } |
| |
| return grpc_slice_new(tmp, out_len, gpr_free); |
| } |
| |
| grpc_slice grpc_httpcli_format_connect_request( |
| const grpc_httpcli_request *request) { |
| gpr_strvec out; |
| gpr_strvec_init(&out); |
| gpr_strvec_add(&out, gpr_strdup("CONNECT ")); |
| fill_common_header(request, &out, false); |
| gpr_strvec_add(&out, gpr_strdup("\r\n")); |
| size_t flat_len; |
| char *flat = gpr_strvec_flatten(&out, &flat_len); |
| gpr_strvec_destroy(&out); |
| return grpc_slice_new(flat, flat_len, gpr_free); |
| } |