static void test_json_parser_skip_array(void)
{
static const char *test_input =
"[ 1, {\"foo\": 1 }, 2, \"bar\", 3, 1.234, 4, [], 5, [[]], 6, true ]";
struct json_parser *parser;
struct istream *input;
enum json_type type;
const char *value, *error;
int i;
test_begin("json parser skip array");
input = test_istream_create_data(test_input, strlen(test_input));
parser = json_parser_init_flags(input, JSON_PARSER_NO_ROOT_OBJECT);
test_assert(json_parse_next(parser, &type, &value) > 0 &&
type == JSON_TYPE_ARRAY);
for (i = 1; i <= 6; i++) {
test_assert(json_parse_next(parser, &type, &value) > 0 &&
type == JSON_TYPE_NUMBER && atoi(value) == i);
json_parse_skip_next(parser);
}
test_assert(json_parse_next(parser, &type, &value) > 0 &&
type == JSON_TYPE_ARRAY_END);
test_assert(json_parser_deinit(&parser, &error) == 0);
i_stream_unref(&input);
test_end();
}
static void test_json_parser_success(bool full_size)
{
struct json_parser *parser;
struct istream *input, *jsoninput = NULL;
enum json_type type;
const char *value, *error;
unsigned int i, pos, json_input_len = strlen(json_input);
int ret = 0;
test_begin(full_size ? "json parser" : "json parser (nonblocking)");
input = test_istream_create_data(json_input, json_input_len);
test_istream_set_allow_eof(input, FALSE);
parser = json_parser_init(input);
i = full_size ? json_input_len : 0;
for (pos = 0; i <= json_input_len; i++) {
test_istream_set_size(input, i);
for (;;) {
value = NULL;
if (pos < N_ELEMENTS(json_output) &&
json_output[pos].type == (enum json_type)TYPE_SKIP) {
json_parse_skip_next(parser);
pos++;
continue;
} else if (pos == N_ELEMENTS(json_output) ||
json_output[pos].type != (enum json_type)TYPE_STREAM) {
ret = json_parse_next(parser, &type, &value);
} else {
ret = jsoninput != NULL ? 1 :
json_parse_next_stream(parser, &jsoninput);
if (jsoninput != NULL)
ret = stream_read_value(&jsoninput, &value);
type = TYPE_STREAM;
}
if (ret <= 0)
break;
i_assert(pos < N_ELEMENTS(json_output));
test_assert(json_output[pos].type == type);
test_assert(null_strcmp(json_output[pos].value, value) == 0);
pos++;
}
test_assert(ret == 0);
}
test_assert(pos == N_ELEMENTS(json_output));
test_istream_set_allow_eof(input, TRUE);
test_assert(json_parse_next(parser, &type, &value) == -1);
i_stream_unref(&input);
test_assert(json_parser_deinit(&parser, &error) == 0);
test_end();
}
void
oauth2_parse_json(struct oauth2_request *req)
{
bool success;
enum json_type type;
const char *token, *error;
int ret;
req->field_name = NULL;
while((ret = json_parse_next(req->parser, &type, &token)) > 0) {
if (req->field_name == NULL) {
if (type != JSON_TYPE_OBJECT_KEY) break;
/* cannot use t_strdup because we might
have to read more */
req->field_name = p_strdup(req->pool, token);
} else if (type < JSON_TYPE_STRING) {
/* this should be last allocation */
p_free(req->pool, req->field_name);
json_parse_skip_next(req->parser);
} else {
if (!array_is_created(&req->fields))
p_array_init(&req->fields, req->pool, 4);
struct oauth2_field *field =
array_append_space(&req->fields);
field->name = req->field_name;
req->field_name = NULL;
field->value = p_strdup(req->pool, token);
}
}
/* read more */
if (ret == 0) return;
io_remove(&req->io);
if (ret > 0) {
(void)json_parser_deinit(&req->parser, &error);
error = "Invalid response data";
success = FALSE;
} else if (i_stream_read_eof(req->is) &&
req->is->v_offset == 0 && req->is->stream_errno == 0) {
/* discard error, empty response is OK. */
(void)json_parser_deinit(&req->parser, &error);
error = NULL;
success = TRUE;
} else {
ret = json_parser_deinit(&req->parser, &error);
success = (ret == 0);
}
i_stream_unref(&req->is);
req->json_parsed_cb(req, success, error);
}
static int
test_json_parse_input(const char *test_input, enum json_parser_flags flags)
{
struct json_parser *parser;
struct istream *input;
enum json_type type;
const char *value, *error;
int ret = 0;
input = test_istream_create_data(test_input, strlen(test_input));
parser = json_parser_init_flags(input, flags);
while (json_parse_next(parser, &type, &value) > 0)
ret++;
if (json_parser_deinit(&parser, &error) < 0)
ret = -1;
i_stream_unref(&input);
return ret;
}