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/*
*
* Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include "src/core/lib/http/format_request.h"
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <grpc/support/alloc.h>
#include <grpc/support/slice.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"));
}
}
gpr_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 gpr_slice_new(flat, flat_len, gpr_free);
}
gpr_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 = gpr_realloc(tmp, out_len + body_size);
memcpy(tmp + out_len, body_bytes, body_size);
out_len += body_size;
}
return gpr_slice_new(tmp, out_len, gpr_free);
}
gpr_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 gpr_slice_new(flat, flat_len, gpr_free);
}
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