| /* |
| ** Licensed to the Apache Software Foundation (ASF) under one or more |
| ** contributor license agreements. See the NOTICE file distributed with |
| ** this work for additional information regarding copyright ownership. |
| ** The ASF licenses this file to You under the Apache License, Version 2.0 |
| ** (the "License"); you may not use this file except in compliance with |
| ** the License. You may obtain a copy of the License at |
| ** |
| ** http://www.apache.org/licenses/LICENSE-2.0 |
| ** |
| ** Unless required by applicable law or agreed to in writing, software |
| ** distributed under the License is distributed on an "AS IS" BASIS, |
| ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| ** See the License for the specific language governing permissions and |
| ** limitations under the License. |
| */ |
| |
| #include "apr_strings.h" |
| #include "apreq_module.h" |
| #include "apreq_error.h" |
| #include "apreq_util.h" |
| |
| #define READ_BYTES (64 * 1024) |
| |
| struct custom_handle { |
| struct apreq_handle_t handle; |
| |
| apr_table_t *jar, *args, *body; |
| apr_status_t jar_status, |
| args_status, |
| body_status; |
| |
| apreq_parser_t *parser; |
| |
| apr_uint64_t read_limit; |
| apr_uint64_t bytes_read; |
| apr_bucket_brigade *in; |
| apr_bucket_brigade *tmpbb; |
| }; |
| |
| |
| static apr_status_t custom_parse_brigade(apreq_handle_t *handle, apr_uint64_t bytes) |
| { |
| struct custom_handle *req = (struct custom_handle *)handle; |
| apr_status_t s; |
| apr_bucket *e; |
| |
| if (req->body_status != APR_INCOMPLETE) |
| return req->body_status; |
| |
| switch (s = apr_brigade_partition(req->in, bytes, &e)) { |
| apr_off_t len; |
| |
| case APR_SUCCESS: |
| apreq_brigade_move(req->tmpbb, req->in, e); |
| req->bytes_read += bytes; |
| |
| if (req->bytes_read > req->read_limit) { |
| req->body_status = APREQ_ERROR_OVERLIMIT; |
| break; |
| } |
| |
| req->body_status = |
| apreq_parser_run(req->parser, req->body, req->tmpbb); |
| |
| apr_brigade_cleanup(req->tmpbb); |
| break; |
| |
| case APR_INCOMPLETE: |
| apreq_brigade_move(req->tmpbb, req->in, e); |
| s = apr_brigade_length(req->tmpbb, 1, &len); |
| if (s != APR_SUCCESS) { |
| req->body_status = s; |
| break; |
| } |
| req->bytes_read += len; |
| |
| if (req->bytes_read > req->read_limit) { |
| req->body_status = APREQ_ERROR_OVERLIMIT; |
| break; |
| } |
| req->body_status = |
| apreq_parser_run(req->parser, req->body, req->tmpbb); |
| |
| apr_brigade_cleanup(req->tmpbb); |
| break; |
| |
| default: |
| req->body_status = s; |
| } |
| |
| return req->body_status; |
| } |
| |
| |
| |
| static apr_status_t custom_jar(apreq_handle_t *handle, const apr_table_t **t) |
| { |
| struct custom_handle *req = (struct custom_handle *)handle; |
| *t = req->jar; |
| return req->jar_status; |
| } |
| |
| static apr_status_t custom_args(apreq_handle_t *handle, const apr_table_t **t) |
| { |
| struct custom_handle *req = (struct custom_handle*)handle; |
| *t = req->args; |
| return req->args_status; |
| } |
| |
| static apr_status_t custom_body(apreq_handle_t *handle, const apr_table_t **t) |
| { |
| struct custom_handle *req = (struct custom_handle*)handle; |
| while (req->body_status == APR_INCOMPLETE) |
| custom_parse_brigade(handle, READ_BYTES); |
| *t = req->body; |
| return req->body_status; |
| } |
| |
| |
| |
| static apreq_cookie_t *custom_jar_get(apreq_handle_t *handle, const char *name) |
| { |
| struct custom_handle *req = (struct custom_handle*)handle; |
| const char *val; |
| |
| if (req->jar == NULL || name == NULL) |
| return NULL; |
| |
| val = apr_table_get(req->jar, name); |
| |
| if (val == NULL) |
| return NULL; |
| |
| return apreq_value_to_cookie(val); |
| } |
| |
| static apreq_param_t *custom_args_get(apreq_handle_t *handle, const char *name) |
| { |
| struct custom_handle *req = (struct custom_handle*)handle; |
| const char *val; |
| |
| if (req->args == NULL || name == NULL) |
| return NULL; |
| |
| val = apr_table_get(req->args, name); |
| |
| if (val == NULL) |
| return NULL; |
| |
| return apreq_value_to_param(val); |
| } |
| |
| static apreq_param_t *custom_body_get(apreq_handle_t *handle, const char *name) |
| { |
| struct custom_handle *req = (struct custom_handle*)handle; |
| const char *val; |
| |
| if (req->body == NULL || name == NULL) |
| return NULL; |
| |
| while (1) { |
| *(const char **)&val = apr_table_get(req->body, name); |
| if (val != NULL) |
| break; |
| |
| if (req->body_status == APR_INCOMPLETE) |
| custom_parse_brigade(handle, READ_BYTES); |
| else |
| return NULL; |
| } |
| |
| return apreq_value_to_param(val); |
| } |
| |
| |
| |
| static apr_status_t custom_parser_get(apreq_handle_t *handle, |
| const apreq_parser_t **parser) |
| { |
| struct custom_handle *req = (struct custom_handle*)handle; |
| *parser = req->parser; |
| |
| return APR_SUCCESS; |
| } |
| |
| static apr_status_t custom_parser_set(apreq_handle_t *handle, |
| apreq_parser_t *parser) |
| { |
| (void)handle; |
| (void)parser; |
| return APR_ENOTIMPL; |
| } |
| |
| static apr_status_t custom_hook_add(apreq_handle_t *handle, |
| apreq_hook_t *hook) |
| { |
| struct custom_handle *req = (struct custom_handle*)handle; |
| apreq_parser_add_hook(req->parser, hook); |
| return APR_SUCCESS; |
| } |
| |
| static apr_status_t custom_brigade_limit_get(apreq_handle_t *handle, |
| apr_size_t *bytes) |
| { |
| struct custom_handle *req = (struct custom_handle*)handle; |
| *bytes = req->parser->brigade_limit; |
| return APR_SUCCESS; |
| } |
| |
| static apr_status_t custom_brigade_limit_set(apreq_handle_t *handle, |
| apr_size_t bytes) |
| { |
| (void)handle; |
| (void)bytes; |
| return APR_ENOTIMPL; |
| } |
| |
| static apr_status_t custom_read_limit_get(apreq_handle_t *handle, |
| apr_uint64_t *bytes) |
| { |
| struct custom_handle *req = (struct custom_handle*)handle; |
| *bytes = req->read_limit; |
| return APR_SUCCESS; |
| } |
| |
| static apr_status_t custom_read_limit_set(apreq_handle_t *handle, |
| apr_uint64_t bytes) |
| { |
| (void)handle; |
| (void)bytes; |
| return APR_ENOTIMPL; |
| } |
| |
| static apr_status_t custom_temp_dir_get(apreq_handle_t *handle, |
| const char **path) |
| { |
| struct custom_handle *req = (struct custom_handle*)handle; |
| |
| *path = req->parser->temp_dir; |
| return APR_SUCCESS; |
| } |
| |
| static apr_status_t custom_temp_dir_set(apreq_handle_t *handle, |
| const char *path) |
| { |
| (void)handle; |
| (void)path; |
| return APR_ENOTIMPL; |
| } |
| |
| |
| static APREQ_MODULE(custom, 20070428); |
| |
| APREQ_DECLARE(apreq_handle_t *)apreq_handle_custom(apr_pool_t *pool, |
| const char *query_string, |
| const char *cookie, |
| apreq_parser_t *parser, |
| apr_uint64_t read_limit, |
| apr_bucket_brigade *in) |
| { |
| struct custom_handle *req; |
| req = apr_palloc(pool, sizeof(*req)); |
| req->handle.module = &custom_module; |
| req->handle.pool = pool; |
| req->handle.bucket_alloc = in->bucket_alloc; |
| req->read_limit = read_limit; |
| req->bytes_read = 0; |
| req->parser = parser; |
| req->in = apr_brigade_create(pool, in->bucket_alloc); |
| req->tmpbb = apr_brigade_create(pool, in->bucket_alloc); |
| req->body = apr_table_make(pool, APREQ_DEFAULT_NELTS); |
| req->body_status = APR_INCOMPLETE; |
| APR_BRIGADE_CONCAT(req->in, in); |
| |
| if (cookie != NULL) { |
| req->jar = apr_table_make(pool, APREQ_DEFAULT_NELTS); |
| req->jar_status = |
| apreq_parse_cookie_header(pool, req->jar, cookie); |
| } |
| else { |
| req->jar = NULL; |
| req->jar_status = APREQ_ERROR_NODATA; |
| } |
| |
| |
| if (query_string != NULL) { |
| req->args = apr_table_make(pool, APREQ_DEFAULT_NELTS); |
| req->args_status = |
| apreq_parse_query_string(pool, req->args, query_string); |
| } |
| else { |
| req->args = NULL; |
| req->args_status = APREQ_ERROR_NODATA; |
| } |
| |
| if (!APR_BUCKET_IS_EOS(APR_BRIGADE_LAST(req->in))) { |
| apr_bucket *eos = apr_bucket_eos_create(in->bucket_alloc); |
| APR_BRIGADE_INSERT_TAIL(req->in, eos); |
| } |
| |
| return &req->handle; |
| } |
| |