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-rw-r--r--src/mint-lib/mint_api_json.h352
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diff --git a/src/mint-lib/mint_api_json.h b/src/mint-lib/mint_api_json.h
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-/*
- This file is part of TALER
- Copyright (C) 2014, 2015 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, If not, see <http://www.gnu.org/licenses/>
-*/
-/**
- * @file mint-lib/mint_api_json.h
- * @brief functions to parse incoming requests (JSON snippets)
- * @author Florian Dold
- * @author Benedikt Mueller
- * @author Christian Grothoff
- */
-#include "platform.h"
-#include <gnunet/gnunet_util_lib.h>
-#include "taler_util.h"
-#include <jansson.h>
-
-
-/**
- * Enumeration with the various commands for the
- * #MAJ_parse_json interpreter.
- */
-enum MAJ_Command
-{
-
- /**
- * End of command list.
- */
- MAJ_CMD_END,
-
- /**
- * Parse amount at current position.
- */
- MAJ_CMD_AMOUNT,
-
- /**
- * Parse absolute time at current position.
- */
- MAJ_CMD_TIME_ABSOLUTE,
-
- /**
- * Parse fixed binary value at current position.
- */
- MAJ_CMD_BINARY_FIXED,
-
- /**
- * Parse variable-size binary value at current position.
- */
- MAJ_CMD_BINARY_VARIABLE,
-
- /**
- * Parse RSA public key at current position.
- */
- MAJ_CMD_RSA_PUBLIC_KEY,
-
- /**
- * Parse RSA signature at current position.
- */
- MAJ_CMD_RSA_SIGNATURE,
-
- /**
- * Parse `const char *` JSON string at current position.
- */
- MAJ_CMD_STRING,
-
- /**
- * Parse `uint16_t` integer at the current position.
- */
- MAJ_CMD_UINT16,
-
- /**
- * Parse `uint64_t` integer at the current position.
- */
- MAJ_CMD_UINT64,
-
- /**
- * Parse JSON object at the current position.
- */
- MAJ_CMD_JSON_OBJECT,
-
- /**
- * Parse ??? at current position.
- */
- MAJ_CMD_C
-
-};
-
-
-/**
- * @brief Entry in parser specification for #MAJ_parse_json.
- */
-struct MAJ_Specification
-{
-
- /**
- * Command to execute.
- */
- enum MAJ_Command cmd;
-
- /**
- * Name of the field to access.
- */
- const char *field;
-
- /**
- * Further details for the command.
- */
- union {
-
- /**
- * Where to store amount for #MAJ_CMD_AMOUNT.
- */
- struct TALER_Amount *amount;
-
- /**
- * Where to store time, for #MAJ_CMD_TIME_ABSOLUTE.
- */
- struct GNUNET_TIME_Absolute *abs_time;
-
- /**
- * Where to write binary data, for #MAJ_CMD_BINARY_FIXED.
- */
- struct {
- /**
- * Where to write the data.
- */
- void *dest;
-
- /**
- * How many bytes to write to @e dest.
- */
- size_t dest_size;
-
- } fixed_data;
-
- /**
- * Where to write binary data, for #MAJ_CMD_BINARY_VARIABLE.
- */
- struct {
- /**
- * Where to store the pointer with the data (is allocated).
- */
- void **dest_p;
-
- /**
- * Where to store the number of bytes allocated at `*dest`.
- */
- size_t *dest_size_p;
-
- } variable_data;
-
- /**
- * Where to store the RSA public key for #MAJ_CMD_RSA_PUBLIC_KEY
- */
- struct GNUNET_CRYPTO_rsa_PublicKey **rsa_public_key;
-
- /**
- * Where to store the RSA signature for #MAJ_CMD_RSA_SIGNATURE
- */
- struct GNUNET_CRYPTO_rsa_Signature **rsa_signature;
-
- /**
- * Details for #MAJ_CMD_EDDSA_SIGNATURE
- */
- struct {
-
- /**
- * Where to store the purpose.
- */
- struct GNUNET_CRYPTO_EccSignaturePurpose **purpose_p;
-
- /**
- * Key to verify the signature against.
- */
- const struct GNUNET_CRYPTO_EddsaPublicKey *pub_key;
-
- } eddsa_signature;
-
- /**
- * Where to store a pointer to the string.
- */
- const char **strptr;
-
- /**
- * Where to store 16-bit integer.
- */
- uint16_t *u16;
-
- /**
- * Where to store 64-bit integer.
- */
- uint64_t *u64;
-
- /**
- * Where to store a JSON object.
- */
- json_t **obj;
-
- } details;
-
-};
-
-
-/**
- * Navigate and parse data in a JSON tree.
- *
- * @param root the JSON node to start the navigation at.
- * @param spec parse specification array
- * @return #GNUNET_OK on success, #GNUNET_SYSERR on error
- */
-int
-MAJ_parse_json (const json_t *root,
- struct MAJ_Specification *spec);
-
-
-/**
- * Free all elements allocated during a
- * #MAJ_parse_json() operation.
- *
- * @param spec specification of the parse operation
- */
-void
-MAJ_parse_free (struct MAJ_Specification *spec);
-
-
-/**
- * End of a parser specification.
- */
-#define MAJ_spec_end { .cmd = MAJ_CMD_END }
-
-/**
- * Fixed size object (in network byte order, encoded using Crockford
- * Base32hex encoding).
- *
- * @param name name of the JSON field
- * @param obj pointer where to write the data (type of `*obj` will determine size)
- */
-#define MAJ_spec_fixed_auto(name,obj) { .cmd = MAJ_CMD_BINARY_FIXED, .field = name, .details.fixed_data.dest = obj, .details.fixed_data.dest_size = sizeof (*obj) }
-
-
-/**
- * Variable size object (in network byte order, encoded using Crockford
- * Base32hex encoding).
- *
- * @param name name of the JSON field
- * @param obj pointer where to write the data (a `void **`)
- * @param size where to store the number of bytes allocated for @a obj (of type `size_t *`
- */
-#define MAJ_spec_varsize(name,obj,size) { .cmd = MAJ_CMD_BINARY_VARIABLE, .field = name, .details.variable_data.dest_p = obj, .details.variable_data.dest_size_p = size }
-
-
-/**
- * The expected field stores a string.
- *
- * @param name name of the JSON field
- * @param strptr where to store a pointer to the field
- */
-struct MAJ_Specification
-MAJ_spec_string (const char *name,
- const char **strptr);
-
-
-/**
- * Absolute time.
- *
- * @param name name of the JSON field
- * @param[out] at where to store the absolute time found under @a name
- */
-struct MAJ_Specification
-MAJ_spec_absolute_time (const char *name,
- struct GNUNET_TIME_Absolute *at);
-
-
-/**
- * 16-bit integer.
- *
- * @param name name of the JSON field
- * @param[out] u16 where to store the integer found under @a name
- */
-struct MAJ_Specification
-MAJ_spec_uint16 (const char *name,
- uint16_t *u16);
-
-
-/**
- * 64-bit integer.
- *
- * @param name name of the JSON field
- * @param[out] u64 where to store the integer found under @a name
- */
-struct MAJ_Specification
-MAJ_spec_uint64 (const char *name,
- uint64_t *u64);
-
-
-/**
- * JSON object.
- *
- * @param name name of the JSON field
- * @param[out] jsonp where to store the JSON found under @a name
- */
-struct MAJ_Specification
-MAJ_spec_json (const char *name,
- json_t **jsonp);
-
-
-/**
- * Specification for parsing an amount value.
- *
- * @param name name of the JSON field
- * @param amount where to store the amount under @a name
- */
-struct MAJ_Specification
-MAJ_spec_amount (const char *name,
- struct TALER_Amount *amount);
-
-
-/**
- * Specification for parsing an RSA public key.
- *
- * @param name name of the JSON field
- * @param pk where to store the RSA key found under @a name
- */
-struct MAJ_Specification
-MAJ_spec_rsa_public_key (const char *name,
- struct GNUNET_CRYPTO_rsa_PublicKey **pk);
-
-
-/**
- * Specification for parsing an RSA signature.
- *
- * @param name name of the JSON field
- * @param sig where to store the RSA signature found under @a name
- */
-struct MAJ_Specification
-MAJ_spec_rsa_signature (const char *name,
- struct GNUNET_CRYPTO_rsa_Signature **sig);
-
-
-
-
-/* end of mint_api_json.h */
generated by cgit v1.2.3 (git 2.26.2) at 2024-10-30 02:50:46 +0000