/* * * 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 #include "src/core/lib/http/format_request.h" #include #include #include #include #include #include #include "src/core/lib/gpr/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", static_cast(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 = static_cast(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); }