modules/core/transport/http/http_request_line.c

/*
 * Copyright 2004,2005 The Apache Software Foundation.
 *
 * Licensed 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 <axis2_http_request_line.h>
#include <axis2_string.h>
#include <string.h>
#include <axis2_http_transport.h>
#include <stdio.h>
/**
 * @brief HTTP Request Line struct impl
 *   Axis2 HTTP Request Line impl
 */

typedef struct axis2_http_request_line_impl
{
    axis2_http_request_line_t request_line;
    axis2_char_t *http_version;
    axis2_char_t *method;
    axis2_char_t *uri;
}
axis2_http_request_line_impl_t;

#define AXIS2_INTF_TO_IMPL(request_line) \
                 ((axis2_http_request_line_impl_t *)(request_line))

/***************************** Function headers *******************************/

/*
 *  This is just a function
 *  Not assciated with an ops struct
 */
axis2_http_request_line_t *AXIS2_CALL
axis2_http_request_line_parse_line(
    const axis2_env_t *env,
    const axis2_char_t *str);

axis2_char_t *AXIS2_CALL
axis2_http_request_line_get_method(
    const axis2_http_request_line_t *request_line,
    const axis2_env_t *env);

axis2_char_t *AXIS2_CALL
axis2_http_request_line_get_http_version(
    const axis2_http_request_line_t *request_line,
    const axis2_env_t *env);

axis2_char_t *AXIS2_CALL
axis2_http_request_line_get_uri(
    const axis2_http_request_line_t *request_line,
    const axis2_env_t *env);

axis2_char_t *AXIS2_CALL
axis2_http_request_line_to_string(
    axis2_http_request_line_t *request_line,
    const axis2_env_t *env);

axis2_status_t AXIS2_CALL
axis2_http_request_line_free(
    axis2_http_request_line_t *request_line,
    const axis2_env_t *env);

/***************************** End of function headers ************************/

AXIS2_EXTERN axis2_http_request_line_t *AXIS2_CALL
axis2_http_request_line_create(
    const axis2_env_t *env,
    const axis2_char_t *method,
    const axis2_char_t *uri,
    const axis2_char_t *http_version)
{
    axis2_http_request_line_impl_t *request_line_impl = NULL;
    AXIS2_ENV_CHECK(env, NULL);
    AXIS2_PARAM_CHECK(env->error, method, NULL);
    AXIS2_PARAM_CHECK(env->error, uri, NULL);
    AXIS2_PARAM_CHECK(env->error, http_version, NULL);

    request_line_impl = (axis2_http_request_line_impl_t *)AXIS2_MALLOC
            (env->allocator, sizeof(
                        axis2_http_request_line_impl_t));

    if (NULL == request_line_impl)
    {
        AXIS2_ERROR_SET(env->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE);
        return NULL;
    }
    request_line_impl->method = (axis2_char_t *)AXIS2_STRDUP(method, env);
    request_line_impl->uri = (axis2_char_t *)AXIS2_STRDUP(uri, env);
    request_line_impl->http_version = (axis2_char_t *)AXIS2_STRDUP(
                http_version, env);

    request_line_impl->request_line.ops = AXIS2_MALLOC(env->allocator,
            sizeof(axis2_http_request_line_ops_t));
    if (NULL == request_line_impl->request_line.ops)
    {
        axis2_http_request_line_free((axis2_http_request_line_t *)
                request_line_impl, env);
        AXIS2_ERROR_SET(env->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE);
        return NULL;
    }

    request_line_impl->request_line.ops->get_method =
        axis2_http_request_line_get_method;
    request_line_impl->request_line.ops->get_http_version =
        axis2_http_request_line_get_http_version;
    request_line_impl->request_line.ops->get_uri =
        axis2_http_request_line_get_uri;
    request_line_impl->request_line.ops->to_string =
        axis2_http_request_line_to_string;
    request_line_impl->request_line.ops->free =
        axis2_http_request_line_free;
    return &(request_line_impl->request_line);
}

axis2_status_t AXIS2_CALL
axis2_http_request_line_free(
    axis2_http_request_line_t *request_line,
    const axis2_env_t *env)
{
    axis2_http_request_line_impl_t *request_line_impl = NULL;
    AXIS2_ENV_CHECK(env, AXIS2_FAILURE);
    request_line_impl = AXIS2_INTF_TO_IMPL(request_line);

    if (request_line_impl->method)
    {
        AXIS2_FREE(env->allocator, request_line_impl->method);
        request_line_impl->method = NULL;
    }
    if (request_line_impl->uri)
    {
        AXIS2_FREE(env->allocator, request_line_impl->uri);
        request_line_impl->uri = NULL;
    }
    if (request_line_impl->http_version)
    {
        AXIS2_FREE(env->allocator, request_line_impl->http_version);
        request_line_impl->http_version = NULL;
    }
    if (request_line->ops)
        AXIS2_FREE(env->allocator, request_line->ops);

    AXIS2_FREE(env->allocator, AXIS2_INTF_TO_IMPL(request_line));
    return AXIS2_SUCCESS;
}

AXIS2_EXTERN axis2_http_request_line_t *AXIS2_CALL
axis2_http_request_line_parse_line(
    const axis2_env_t *env,
    const axis2_char_t *str)
{
    axis2_char_t *req_line = NULL;
    axis2_char_t *method = NULL;
    axis2_char_t *uri = NULL;
    axis2_char_t *http_version = NULL;
    axis2_http_request_line_t *ret = NULL;
    axis2_char_t *tmp = NULL;
    int i = 0;

    AXIS2_PARAM_CHECK(env->error, str, NULL);

    tmp = AXIS2_STRSTR(str, AXIS2_HTTP_CRLF);


    if (NULL == tmp)
    {
        AXIS2_ERROR_SET(env->error,
                AXIS2_ERROR_INVALID_HTTP_HEADER_START_LINE,
                AXIS2_FAILURE);
        return NULL;
    }
    i = tmp - str;
    req_line = AXIS2_MALLOC(env->allocator, i * sizeof(axis2_char_t) + 1);
    if (NULL == req_line)
    {
        AXIS2_ERROR_SET(env->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE);
        return NULL;
    }
    memcpy(req_line, str, i * sizeof(axis2_char_t));
    req_line[i] = '\0';
    tmp = req_line;

    method = tmp;
    tmp = strchr(tmp, ' ');
    if (NULL == tmp)
    {
        AXIS2_FREE(env->allocator, req_line);
        AXIS2_ERROR_SET(env->error,
                AXIS2_ERROR_INVALID_HTTP_HEADER_START_LINE,
                AXIS2_FAILURE);
        return NULL;
    }
    *tmp++ = '\0';
    uri = tmp;
    tmp = strrchr(tmp, ' ');
    if (NULL == tmp)
    {
        AXIS2_FREE(env->allocator, req_line);
        AXIS2_ERROR_SET(env->error,
                AXIS2_ERROR_INVALID_HTTP_HEADER_START_LINE,
                AXIS2_FAILURE);
        return NULL;
    }
    *tmp++ = '\0';
    http_version = tmp;
    ret = axis2_http_request_line_create(env, method, uri, http_version);
    AXIS2_FREE(env->allocator, req_line);

    return ret;
}


axis2_char_t *AXIS2_CALL
axis2_http_request_line_get_method(
    const axis2_http_request_line_t *request_line,
    const axis2_env_t *env)
{
    AXIS2_ENV_CHECK(env, NULL);
    return AXIS2_INTF_TO_IMPL(request_line)->method;
}


axis2_char_t *AXIS2_CALL
axis2_http_request_line_get_http_version(
    const axis2_http_request_line_t *request_line,
    const axis2_env_t *env)
{
    AXIS2_ENV_CHECK(env, NULL);
    return AXIS2_INTF_TO_IMPL(request_line)->http_version;
}


axis2_char_t *AXIS2_CALL
axis2_http_request_line_get_uri(
    const axis2_http_request_line_t *request_line,
    const axis2_env_t *env)
{
    AXIS2_ENV_CHECK(env, NULL);
    return AXIS2_INTF_TO_IMPL(request_line)->uri;
}


axis2_char_t *AXIS2_CALL
axis2_http_request_line_to_string(
    axis2_http_request_line_t *request_line,
    const axis2_env_t *env)
{
    axis2_http_request_line_impl_t *req_line_impl = NULL;
    int alloc_len = 0;
    axis2_char_t *ret = NULL;

    AXIS2_ENV_CHECK(env, NULL);

    req_line_impl = AXIS2_INTF_TO_IMPL(
                request_line);
    alloc_len = AXIS2_STRLEN(req_line_impl->method) +
            AXIS2_STRLEN(req_line_impl->uri) +
            AXIS2_STRLEN(req_line_impl->http_version) + 6;
    /* 5 = 2 * spaces + '/' +CR + LF + '\0' */

    ret = AXIS2_MALLOC(env->allocator,
            alloc_len * sizeof(axis2_char_t));
    if (NULL == ret)
    {
        AXIS2_ERROR_SET(env->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE);
        return NULL;
    }
    if (req_line_impl->uri[0] != '/')
    {
        sprintf(ret, "%s /%s %s%s", req_line_impl->method, req_line_impl->uri,
                req_line_impl->http_version, AXIS2_HTTP_CRLF);
    }
    else
    {
        sprintf(ret, "%s %s %s%s", req_line_impl->method, req_line_impl->uri,
                req_line_impl->http_version, AXIS2_HTTP_CRLF);
    }
    return ret;
}