X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-http;a=blobdiff_plain;f=http_cache_api.c;h=1c967895ad80e35e285fd1b38719c761cca017bf;hp=5eca48a6650576054b7b8a844e1da6a89b8c7bf2;hb=a47793c85f727ca292c03d4779fac3d5e8805f11;hpb=3c938b3b63e3063931e49d80a3e11fdcf6ce1769 diff --git a/http_cache_api.c b/http_cache_api.c index 5eca48a..1c96789 100644 --- a/http_cache_api.c +++ b/http_cache_api.c @@ -209,17 +209,16 @@ PHP_HTTP_API STATUS _http_cache_etag(const char *etag, size_t etag_len, } return SUCCESS; } - - /* if no etag is given and we didn't already start ob_etaghandler -- start it */ - if (HTTP_G(etag).started) { - return SUCCESS; - } - - if (HTTP_G(etag).started = (SUCCESS == php_start_ob_buffer_named("ob_etaghandler", HTTP_G(send).buffer_size, 1 TSRMLS_CC))) { - return SUCCESS; - } else { + + /* already running? */ + if (php_ob_handler_used("ob_etaghandler" TSRMLS_CC)) { + http_error(HE_WARNING, HTTP_E_RUNTIME, "ob_etaghandler can only be used once"); return FAILURE; } + + /* we want the etag handler to run */ + HTTP_G(etag).started = 1; + return php_start_ob_buffer_named("ob_etaghandler", HTTP_G(send).buffer_size, 1 TSRMLS_CC); } /* }}} */ @@ -227,39 +226,36 @@ PHP_HTTP_API STATUS _http_cache_etag(const char *etag, size_t etag_len, PHP_HTTP_API void _http_ob_etaghandler(char *output, uint output_len, char **handled_output, uint *handled_output_len, int mode TSRMLS_DC) { - if (mode & PHP_OUTPUT_HANDLER_START) { - if (HTTP_G(etag).started) { - http_error(HE_WARNING, HTTP_E_RUNTIME, "ob_etaghandler can only be used once"); - return; + /* passthru */ + *handled_output_len = output_len; + *handled_output = estrndup(output, output_len); + + /* are we supposed to run? */ + if (HTTP_G(etag).started) { + /* initialize the etag context */ + if (mode & PHP_OUTPUT_HANDLER_START) { + HTTP_G(etag).ctx = http_etag_init(); } - HTTP_G(etag).started = 1; - HTTP_G(etag).ctx = http_etag_init(); - } - - http_etag_update(HTTP_G(etag).ctx, output, output_len); - - if (mode & PHP_OUTPUT_HANDLER_END) { - char *etag = http_etag_finish(HTTP_G(etag).ctx); - /* just do that if desired */ - if (HTTP_G(etag).started) { + /* update */ + http_etag_update(HTTP_G(etag).ctx, output, output_len); + + /* finish */ + if (mode & PHP_OUTPUT_HANDLER_END) { char *sent_header = NULL; + char *etag = http_etag_finish(HTTP_G(etag).ctx); http_send_cache_control(HTTP_DEFAULT_CACHECONTROL, lenof(HTTP_DEFAULT_CACHECONTROL)); http_send_etag_ex(etag, strlen(etag), &sent_header); if (http_match_etag("HTTP_IF_NONE_MATCH", etag)) { - efree(etag); - http_exit_ex(304, sent_header, NULL, 0); - } else { - STR_FREE(sent_header); + http_exit_ex(304, sent_header, etag, 0); } + + STR_FREE(sent_header); + STR_FREE(etag); } - efree(etag); } - - *handled_output_len = output_len; - *handled_output = estrndup(output, output_len); } /* }}} */