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-rw-r--r--src/exchange/taler-exchange-httpd_parsing.c286
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diff --git a/src/exchange/taler-exchange-httpd_parsing.c b/src/exchange/taler-exchange-httpd_parsing.c
deleted file mode 100644
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--- a/src/exchange/taler-exchange-httpd_parsing.c
+++ /dev/null
@@ -1,286 +0,0 @@
-/*
- This file is part of TALER
- Copyright (C) 2014, 2015, 2016 GNUnet e.V.
-
- TALER is free software; you can redistribute it and/or modify it under the
- terms of the GNU Affero General Public License as published by the Free Software
- Foundation; either version 3, or (at your option) any later version.
-
- TALER is distributed in the hope that it will be useful, but WITHOUT ANY
- WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
- A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.
-
- You should have received a copy of the GNU Affero General Public License along with
- TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
-*/
-
-/**
- * @file taler-exchange-httpd_parsing.c
- * @brief functions to parse incoming requests (MHD arguments and JSON snippets)
- * @author Florian Dold
- * @author Benedikt Mueller
- * @author Christian Grothoff
- */
-
-#include "platform.h"
-#include <gnunet/gnunet_util_lib.h>
-#include <gnunet/gnunet_json_lib.h>
-#include "taler_json_lib.h"
-#include "taler-exchange-httpd_parsing.h"
-#include "taler-exchange-httpd_responses.h"
-
-
-/**
- * Maximum POST request size.
- */
-#define REQUEST_BUFFER_MAX (1024 * 1024)
-
-
-/**
- * Process a POST request containing a JSON object. This function
- * realizes an MHD POST processor that will (incrementally) process
- * JSON data uploaded to the HTTP server. It will store the required
- * state in the @a con_cls, which must be cleaned up using
- * #TEH_PARSE_post_cleanup_callback().
- *
- * @param connection the MHD connection
- * @param con_cls the closure (points to a `struct Buffer *`)
- * @param upload_data the POST data
- * @param upload_data_size number of bytes in @a upload_data
- * @param json the JSON object for a completed request
- * @return
- * #GNUNET_YES if json object was parsed or at least
- * may be parsed in the future (call again);
- * `*json` will be NULL if we need to be called again,
- * and non-NULL if we are done.
- * #GNUNET_NO is request incomplete or invalid
- * (error message was generated)
- * #GNUNET_SYSERR on internal error
- * (we could not even queue an error message,
- * close HTTP session with MHD_NO)
- */
-int
-TEH_PARSE_post_json (struct MHD_Connection *connection,
- void **con_cls,
- const char *upload_data,
- size_t *upload_data_size,
- json_t **json)
-{
- enum GNUNET_JSON_PostResult pr;
-
- pr = GNUNET_JSON_post_parser (REQUEST_BUFFER_MAX,
- connection,
- con_cls,
- upload_data,
- upload_data_size,
- json);
- switch (pr)
- {
-
- case GNUNET_JSON_PR_OUT_OF_MEMORY:
- return (MHD_NO == TEH_RESPONSE_reply_internal_error
- (connection,
- TALER_EC_PARSER_OUT_OF_MEMORY,
- "out of memory")) ? GNUNET_SYSERR : GNUNET_NO;
-
- case GNUNET_JSON_PR_CONTINUE:
- return GNUNET_YES;
-
- case GNUNET_JSON_PR_REQUEST_TOO_LARGE:
- return (MHD_NO == TEH_RESPONSE_reply_request_too_large
- (connection)) ? GNUNET_SYSERR : GNUNET_NO;
-
- case GNUNET_JSON_PR_JSON_INVALID:
- return (MHD_YES ==
- TEH_RESPONSE_reply_invalid_json (connection))
- ? GNUNET_NO : GNUNET_SYSERR;
- case GNUNET_JSON_PR_SUCCESS:
- GNUNET_break (NULL != *json);
- return GNUNET_YES;
- }
- /* this should never happen */
- GNUNET_break (0);
- return GNUNET_SYSERR;
-}
-
-
-/**
- * Function called whenever we are done with a request
- * to clean up our state.
- *
- * @param con_cls value as it was left by
- * #TEH_PARSE_post_json(), to be cleaned up
- */
-void
-TEH_PARSE_post_cleanup_callback (void *con_cls)
-{
- GNUNET_JSON_post_parser_cleanup (con_cls);
-}
-
-
-/**
- * Extract base32crockford encoded data from request.
- *
- * Queues an error response to the connection if the parameter is
- * missing or invalid.
- *
- * @param connection the MHD connection
- * @param param_name the name of the parameter with the key
- * @param[out] out_data pointer to store the result
- * @param out_size expected size of data
- * @return
- * #GNUNET_YES if the the argument is present
- * #GNUNET_NO if the argument is absent or malformed
- * #GNUNET_SYSERR on internal error (error response could not be sent)
- */
-int
-TEH_PARSE_mhd_request_arg_data (struct MHD_Connection *connection,
- const char *param_name,
- void *out_data,
- size_t out_size)
-{
- const char *str;
-
- str = MHD_lookup_connection_value (connection,
- MHD_GET_ARGUMENT_KIND,
- param_name);
- if (NULL == str)
- {
- return (MHD_NO ==
- TEH_RESPONSE_reply_arg_missing (connection,
- TALER_EC_PARAMETER_MISSING,
- param_name))
- ? GNUNET_SYSERR : GNUNET_NO;
- }
- if (GNUNET_OK !=
- GNUNET_STRINGS_string_to_data (str,
- strlen (str),
- out_data,
- out_size))
- return (MHD_NO ==
- TEH_RESPONSE_reply_arg_invalid (connection,
- TALER_EC_PARAMETER_MALFORMED,
- param_name))
- ? GNUNET_SYSERR : GNUNET_NO;
- return GNUNET_OK;
-}
-
-
-/**
- * Parse JSON object into components based on the given field
- * specification. Generates error response on parse errors.
- *
- * @param connection the connection to send an error response to
- * @param root the JSON node to start the navigation at.
- * @param[in,out] spec field specification for the parser
- * @return
- * #GNUNET_YES if navigation was successful (caller is responsible
- * for freeing allocated variable-size data using
- * GNUNET_JSON_parse_free() when done)
- * #GNUNET_NO if json is malformed, error response was generated
- * #GNUNET_SYSERR on internal error
- */
-int
-TEH_PARSE_json_data (struct MHD_Connection *connection,
- const json_t *root,
- struct GNUNET_JSON_Specification *spec)
-{
- int ret;
- const char *error_json_name;
- unsigned int error_line;
-
- ret = GNUNET_JSON_parse (root,
- spec,
- &error_json_name,
- &error_line);
- if (GNUNET_SYSERR == ret)
- {
- if (NULL == error_json_name)
- error_json_name = "<no field>";
- ret = (MHD_YES ==
- TEH_RESPONSE_reply_json_pack (connection,
- MHD_HTTP_BAD_REQUEST,
- "{s:s, s:I, s:s, s:I}",
- "error", "parse error",
- "code",
- (json_int_t)
- TALER_EC_JSON_INVALID_WITH_DETAILS,
- "field", error_json_name,
- "line", (json_int_t) error_line))
- ? GNUNET_NO : GNUNET_SYSERR;
- return ret;
- }
- return GNUNET_YES;
-}
-
-
-/**
- * Parse JSON array into components based on the given field
- * specification. Generates error response on parse errors.
- *
- * @param connection the connection to send an error response to
- * @param root the JSON node to start the navigation at.
- * @param[in,out] spec field specification for the parser
- * @param ... -1-terminated list of array offsets of type 'int'
- * @return
- * #GNUNET_YES if navigation was successful (caller is responsible
- * for freeing allocated variable-size data using
- * GNUNET_JSON_parse_free() when done)
- * #GNUNET_NO if json is malformed, error response was generated
- * #GNUNET_SYSERR on internal error
- */
-int
-TEH_PARSE_json_array (struct MHD_Connection *connection,
- const json_t *root,
- struct GNUNET_JSON_Specification *spec,
- ...)
-{
- int ret;
- const char *error_json_name;
- unsigned int error_line;
- va_list ap;
- json_int_t dim;
-
- va_start (ap, spec);
- dim = 0;
- while ( (-1 != (ret = va_arg (ap, int))) &&
- (NULL != root) )
- {
- dim++;
- root = json_array_get (root, ret);
- }
- va_end (ap);
- if (NULL == root)
- {
- ret = (MHD_YES ==
- TEH_RESPONSE_reply_json_pack (connection,
- MHD_HTTP_BAD_REQUEST,
- "{s:s, s:I}",
- "error", "parse error",
- "dimension", dim))
- ? GNUNET_NO : GNUNET_SYSERR;
- return ret;
- }
- ret = GNUNET_JSON_parse (root,
- spec,
- &error_json_name,
- &error_line);
- if (GNUNET_SYSERR == ret)
- {
- if (NULL == error_json_name)
- error_json_name = "<no field>";
- ret = (MHD_YES ==
- TEH_RESPONSE_reply_json_pack (connection,
- MHD_HTTP_BAD_REQUEST,
- "{s:s, s:s, s:I}",
- "error", "parse error",
- "field", error_json_name,
- "line", (json_int_t) error_line))
- ? GNUNET_NO : GNUNET_SYSERR;
- return ret;
- }
- return GNUNET_YES;
-}
-
-
-/* end of taler-exchange-httpd_parsing.c */