migrate parsing logic to libtalermhd

1 files changed, 0 insertions, 286 deletions

diff --git a/src/exchange/taler-exchange-httpd_parsing.c b/src/exchange/taler-exchange-httpd_parsing.c
deleted file mode 100644
index fb8932b9a..000000000
--- 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 */