/*
 * 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 <axutil_base64_binary.h>
#include <string.h>
#include <axutil_utils.h>

struct axutil_base64_binary
{
    unsigned char *plain_binary;
    int plain_binary_len;
};

AXIS2_EXTERN axutil_base64_binary_t *AXIS2_CALL
axutil_base64_binary_create(
    const axutil_env_t * env)
{
    axutil_base64_binary_t *base64_binary = NULL;
    AXIS2_ENV_CHECK(env, NULL);

    base64_binary = (axutil_base64_binary_t *)AXIS2_MALLOC(env->allocator,
        sizeof(axutil_base64_binary_t));

    if(!base64_binary)
    {
        AXIS2_ERROR_SET(env->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE);
        AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Out of memory");
        return NULL;
    }
    base64_binary->plain_binary = NULL;
    base64_binary->plain_binary_len = 0;
    return base64_binary;
}

AXIS2_EXTERN axutil_base64_binary_t *AXIS2_CALL
axutil_base64_binary_create_with_plain_binary(
    const axutil_env_t * env,
    const unsigned char *plain_binary,
    int plain_binary_len)
{
    axutil_base64_binary_t *base64_binary = NULL;

    AXIS2_ENV_CHECK(env, NULL);
    AXIS2_PARAM_CHECK(env->error, plain_binary, NULL);

    base64_binary = (axutil_base64_binary_t *)axutil_base64_binary_create(env);
    if(!base64_binary)
    {
        AXIS2_ERROR_SET(env->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE);
        AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Out of memory");
        return NULL;
    }

    base64_binary->plain_binary = AXIS2_MALLOC(env->allocator, sizeof(unsigned char)
        * plain_binary_len);

    if(!base64_binary->plain_binary)
    {
        axutil_base64_binary_free(base64_binary, env);
        AXIS2_ERROR_SET(env->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE);
        AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Out of memory");
        return NULL;
    }
    memcpy(base64_binary->plain_binary, plain_binary, plain_binary_len);
    base64_binary->plain_binary_len = plain_binary_len;

    return base64_binary;
}

AXIS2_EXTERN axutil_base64_binary_t *AXIS2_CALL
axutil_base64_binary_create_with_encoded_binary(
    const axutil_env_t * env,
    const char *encoded_binary)
{
    axutil_base64_binary_t *base64_binary = NULL;
    int plain_binary_len = 0;

    AXIS2_ENV_CHECK(env, NULL);
    AXIS2_PARAM_CHECK(env->error, encoded_binary, NULL);

    base64_binary = (axutil_base64_binary_t *)axutil_base64_binary_create(env);
    if(!base64_binary)
    {
        AXIS2_ERROR_SET(env->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE);
        AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Out of memory");
        return NULL;
    }

    plain_binary_len = axutil_base64_decode_len(encoded_binary);
    base64_binary->plain_binary = AXIS2_MALLOC(env->allocator, sizeof(unsigned char)
        * plain_binary_len);

    if(!base64_binary->plain_binary)
    {
        axutil_base64_binary_free(base64_binary, env);
        AXIS2_ERROR_SET(env->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE);
        AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Out of memory");
        return NULL;
    }
    axutil_base64_decode_binary(base64_binary->plain_binary, encoded_binary);
    base64_binary->plain_binary_len = plain_binary_len;

    return base64_binary;
}

AXIS2_EXTERN void AXIS2_CALL
axutil_base64_binary_free(
    axutil_base64_binary_t *base64_binary,
    const axutil_env_t *env)
{
    AXIS2_ENV_CHECK(env, AXIS2_FAILURE);

    if(!base64_binary)
    {
        return;
    }

    if(base64_binary->plain_binary)
    {
        AXIS2_FREE(env->allocator, base64_binary->plain_binary);
    }

    if(base64_binary)
    {
        AXIS2_FREE(env->allocator, base64_binary);
    }

    return;
}

AXIS2_EXTERN axis2_status_t AXIS2_CALL
axutil_base64_binary_set_plain_binary(
    axutil_base64_binary_t *base64_binary,
    const axutil_env_t *env,
    const unsigned char *plain_binary,
    int plain_binary_len)
{

    AXIS2_PARAM_CHECK(env->error, plain_binary, AXIS2_FAILURE);

    base64_binary->plain_binary = AXIS2_MALLOC(env->allocator, sizeof(unsigned char)
        * plain_binary_len);
    if(!base64_binary->plain_binary)
    {
        axutil_base64_binary_free(base64_binary, env);
        AXIS2_ERROR_SET(env->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE);
        AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Out of memory");
        return AXIS2_FAILURE;
    }
    memcpy(base64_binary->plain_binary, plain_binary, plain_binary_len);
    base64_binary->plain_binary_len = plain_binary_len;

    return AXIS2_SUCCESS;
}

AXIS2_EXTERN unsigned char *AXIS2_CALL
axutil_base64_binary_get_plain_binary(
    axutil_base64_binary_t *base64_binary,
    const axutil_env_t *env,
    int *plain_binary_len)
{
    AXIS2_PARAM_CHECK(env->error, base64_binary, NULL);
    *plain_binary_len = base64_binary->plain_binary_len;
    return base64_binary->plain_binary;
}

AXIS2_EXTERN axis2_status_t AXIS2_CALL
axutil_base64_binary_set_encoded_binary(
    axutil_base64_binary_t *base64_binary,
    const axutil_env_t *env,
    const char *encoded_binary)
{
    int plain_binary_len = 0;

    AXIS2_PARAM_CHECK(env->error, base64_binary, AXIS2_FAILURE);
    AXIS2_PARAM_CHECK(env->error, encoded_binary, AXIS2_FAILURE);

    plain_binary_len = axutil_base64_decode_len(encoded_binary);
    base64_binary->plain_binary = AXIS2_MALLOC(env->allocator, sizeof(unsigned char)
        * plain_binary_len);

    if(!base64_binary->plain_binary)
    {
        axutil_base64_binary_free(base64_binary, env);
        AXIS2_ERROR_SET(env->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE);
        AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Out of memory");
        return AXIS2_FAILURE;
    }
    axutil_base64_decode_binary(base64_binary->plain_binary, encoded_binary);
    base64_binary->plain_binary_len = plain_binary_len;

    return AXIS2_SUCCESS;
}

AXIS2_EXTERN char *AXIS2_CALL
axutil_base64_binary_get_encoded_binary(
    axutil_base64_binary_t *base64_binary,
    const axutil_env_t *env)
{
    char *encoded_binary = NULL;
    int encoded_binary_len = 0;
    AXIS2_PARAM_CHECK(env->error, base64_binary, NULL);

    encoded_binary_len = axutil_base64_encode_len(base64_binary->plain_binary_len);
    encoded_binary = AXIS2_MALLOC(env->allocator, sizeof(char) * encoded_binary_len);

    if(!encoded_binary)
    {
        axutil_base64_binary_free(base64_binary, env);
        AXIS2_ERROR_SET(env->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE);
        AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Out of memory");
        return NULL;
    }
    axutil_base64_encode_binary(encoded_binary, base64_binary->plain_binary,
        base64_binary->plain_binary_len);
    return encoded_binary;
}

AXIS2_EXTERN int AXIS2_CALL
axutil_base64_binary_get_encoded_binary_len(
    axutil_base64_binary_t *base64_binary,
    const axutil_env_t *env)
{
    int encoded_binary_len = 0;
    if(!base64_binary)
    {
        return 0;
    }

    encoded_binary_len = axutil_base64_encode_len(base64_binary->plain_binary_len);
    return encoded_binary_len;
}

AXIS2_EXTERN int AXIS2_CALL
axutil_base64_binary_get_decoded_binary_len(
    axutil_base64_binary_t *base64_binary,
    const axutil_env_t *env)
{
    if(!base64_binary)
    {
        return 0;
    }
    return base64_binary->plain_binary_len;
}