ParsedResponseLine ParsedResponseLine::create_alias(
Transaction transaction,
const char* raw,
size_t raw_length,
const char* protocol,
size_t protocol_length,
const char* status,
size_t status_length,
const char* message,
size_t message_length
)
{
ib_parsed_resp_line_t *ib_prl;
Internal::throw_if_error(
ib_parsed_resp_line_create(
transaction.ib(),
&ib_prl,
raw,
raw_length,
protocol,
protocol_length,
status,
status_length,
message,
message_length
)
);
return ParsedResponseLine(ib_prl);
}
/**
* A header filter to intercept response line and headers and feed to Ironbee.
*
* @param[in] r The nginx request object.
* @return status propagated from next filter, or Error
*/
static ngx_int_t ironbee_headers_out(ngx_http_request_t *r)
{
ngx_log_t *prev_log;
ngxib_req_ctx *ctx;
ib_parsed_resp_line_t *rline;
ib_parsed_header_wrapper_t *ibhdrs;
ib_status_t rc;
ngx_list_part_t *part;
ngx_table_elt_t *hdr;
unsigned int i;
char proto[12];
char *status;
const char *reason;
int status_len, reason_len;
/* FIXME: needs more logic here to catch error pages */
if (r->internal)
return ngx_http_next_header_filter(r);
ctx = ngx_http_get_module_ctx(r, ngx_ironbee_module);
assert((ctx != NULL) && (ctx->tx != NULL));
prev_log = ngxib_log(r->connection->log);
ngx_regex_malloc_init(r->pool);
/* Notify Ironbee of request line and headers */
sprintf(proto, "HTTP/%d.%d", r->http_major, r->http_minor);
if (r->headers_out.status_line.len) {
status = (char*)r->headers_out.status_line.data;
status_len = strcspn(status, " \t");
for (reason = status+status_len; isspace(*reason); ++reason);
reason_len = r->headers_out.status_line.len - (reason-status);
}
else if (r->headers_out.status >= 100 && r->headers_out.status < 600) {
status = ngx_palloc(r->pool, 4);
/* cast to int, because ngx_int_t requires different format args
* on different platforms. We're already limited to 3-digit numbers.
*/
sprintf(status, "%d", (int)r->headers_out.status);
status_len = 3;
reason = "";
reason_len = 0;
}
else {
ib_log_error_tx(ctx->tx, "Ironbee: bogus response status %d",
(int)r->headers_out.status);
cleanup_return(prev_log) NGX_ERROR;
}
rc = ib_parsed_resp_line_create(ctx->tx, &rline, NULL, 0,
proto, strlen(proto),
status, status_len,
reason, reason_len);
if (rc != IB_OK)
cleanup_return(prev_log) NGX_ERROR;
ib_state_notify_response_started(ironbee, ctx->tx, rline);
rc = ib_parsed_name_value_pair_list_wrapper_create(&ibhdrs, ctx->tx);
if (rc != IB_OK)
cleanup_return(prev_log) NGX_ERROR;
for (part = &r->headers_out.headers.part; part != NULL; part = part->next) {
hdr = part->elts;
for (i = 0; i < part->nelts; ++i) {
ib_parsed_name_value_pair_list_add(ibhdrs,
(const char*)hdr->key.data,
hdr->key.len,
(const char*)hdr->value.data,
hdr->value.len);
++hdr;
}
}
/* Ironbee currently crashes if called here with no headers,
* even perfectly correctly on a 204/304 response.
*/
if (ibhdrs->size > 0) {
rc = ib_state_notify_response_header_data(ironbee, ctx->tx, ibhdrs);
if (rc != IB_OK)
cleanup_return(prev_log) NGX_ERROR;
}
rc = ib_state_notify_response_header_finished(ironbee, ctx->tx);
if (rc != IB_OK)
cleanup_return(prev_log) NGX_ERROR;
ctx->hdrs_out = 1;
cleanup_return(prev_log) ngx_http_next_header_filter(r);
}
