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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include "tool_setup.h"
#define ENABLE_CURLX_PRINTF
/* use our own printf() functions */
#include "curlx.h"
#include "tool_cfgable.h"
#include "tool_writeout_json.h"
#include "tool_writeout.h"
static const char *http_version[] = {
"0", /* CURL_HTTP_VERSION_NONE */
"1", /* CURL_HTTP_VERSION_1_0 */
"1.1", /* CURL_HTTP_VERSION_1_1 */
"2", /* CURL_HTTP_VERSION_2 */
"3" /* CURL_HTTP_VERSION_3 */
};
static void jsonEscape(FILE *stream, const char *in)
{
const char *i = in;
const char *in_end = in + strlen(in);
for(; i < in_end; i++) {
switch(*i) {
case '\\':
fputs("\\\\", stream);
break;
case '\"':
fputs("\\\"", stream);
break;
case '\b':
fputs("\\b", stream);
break;
case '\f':
fputs("\\f", stream);
break;
case '\n':
fputs("\\n", stream);
break;
case '\r':
fputs("\\r", stream);
break;
case '\t':
fputs("\\t", stream);
break;
default:
if (*i < 32) {
fprintf(stream, "u%04x", *i);
}
else {
fputc(*i, stream);
}
break;
};
}
}
static int writeTime(FILE *str, CURL *curl, const char *key, CURLINFO ci)
{
curl_off_t val = 0;
if(CURLE_OK == curl_easy_getinfo(curl, ci, &val)) {
curl_off_t s = val / 1000000l;
curl_off_t ms = val % 1000000l;
fprintf(str, "\"%s\":%" CURL_FORMAT_CURL_OFF_T
".%06" CURL_FORMAT_CURL_OFF_T, key, s, ms);
return 1;
}
return 0;
}
static int writeString(FILE *str, CURL *curl, const char *key, CURLINFO ci)
{
char *valp = NULL;
if((CURLE_OK == curl_easy_getinfo(curl, ci, &valp)) && valp) {
fprintf(str, "\"%s\":\"", key);
jsonEscape(str, valp);
fprintf(str, "\"");
return 1;
}
return 0;
}
static int writeLong(FILE *str, CURL *curl, const char *key, CURLINFO ci,
struct per_transfer *per, const struct writeoutvar *wovar)
{
if(wovar->id == VAR_NUM_HEADERS) {
fprintf(str, "\"%s\":%ld", key, per->num_headers);
return 1;
}
else {
long val = 0;
if(CURLE_OK == curl_easy_getinfo(curl, ci, &val)) {
fprintf(str, "\"%s\":%ld", key, val);
return 1;
}
}
return 0;
}
static int writeOffset(FILE *str, CURL *curl, const char *key, CURLINFO ci)
{
curl_off_t val = 0;
if(CURLE_OK == curl_easy_getinfo(curl, ci, &val)) {
fprintf(str, "\"%s\":%" CURL_FORMAT_CURL_OFF_T, key, val);
return 1;
}
return 0;
}
static int writeFilename(FILE *str, const char *key, const char *filename)
{
if(filename) {
fprintf(str, "\"%s\":\"", key);
jsonEscape(str, filename);
fprintf(str, "\"");
}
else {
fprintf(str, "\"%s\":null", key);
}
return 1;
}
static int writeVersion(FILE *str, CURL *curl, const char *key, CURLINFO ci)
{
long version = 0;
if(CURLE_OK == curl_easy_getinfo(curl, ci, &version) &&
(version >= 0) &&
(version < (long)(sizeof(http_version)/sizeof(char *)))) {
fprintf(str, "\"%s\":\"%s\"", key, http_version[version]);
return 1;
}
return 0;
}
void ourWriteOutJSON(const struct writeoutvar mappings[], CURL *curl,
struct per_transfer *per, FILE *stream)
{
int i;
fputs("{", stream);
for(i = 0; mappings[i].name != NULL; i++) {
const struct writeoutvar *wovar = &mappings[i];
const char *name = mappings[i].name;
CURLINFO cinfo = mappings[i].cinfo;
int ok = 0;
if(mappings[i].is_ctrl == 1) {
continue;
}
switch(mappings[i].jsontype) {
case JSON_STRING:
ok = writeString(stream, curl, name, cinfo);
break;
case JSON_LONG:
ok = writeLong(stream, curl, name, cinfo, per, wovar);
break;
case JSON_OFFSET:
ok = writeOffset(stream, curl, name, cinfo);
break;
case JSON_TIME:
ok = writeTime(stream, curl, name, cinfo);
break;
case JSON_FILENAME:
ok = writeFilename(stream, name, per->outs.filename);
break;
case JSON_VERSION:
ok = writeVersion(stream, curl, name, cinfo);
break;
default:
break;
}
if(ok) {
fputs(",", stream);
}
}
fprintf(stream, "\"curl_version\":\"%s\"}", curl_version());
}
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