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/*
*
* 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);
}
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