ac29abd679
This header allows clients to override the request method to work around client library limitations.
131 lines
3.0 KiB
C++
131 lines
3.0 KiB
C++
/*
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* Copyright (c) 2016 MariaDB Corporation Ab
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*
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* Use of this software is governed by the Business Source License included
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* in the LICENSE.TXT file and at www.mariadb.com/bsl11.
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*
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* Change Date: 2019-07-01
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*
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* On the date above, in accordance with the Business Source License, use
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* of this software will be governed by version 2 or later of the General
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* Public License.
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*/
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#include "maxscale/httprequest.hh"
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#include "maxscale/admin.hh"
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#include <ctype.h>
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#include <string.h>
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using std::string;
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using std::deque;
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#define HTTP_HOST_HEADER "Host"
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#define HTTP_METHOD_OVERRIDE "X-HTTP-Method-Override"
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const std::string HttpRequest::HTTP_PREFIX = "http://";
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const std::string HttpRequest::HTTPS_PREFIX = "https://";
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/** TODO: Move this to a C++ string utility header */
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namespace maxscale
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{
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static inline string& trim(string& str)
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{
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if (str.length())
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{
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if (isspace(*str.begin()))
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{
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string::iterator it = str.begin();
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while (it != str.end() && isspace(*it))
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{
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it++;
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}
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str.erase(str.begin(), it);
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}
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if (isspace(*str.rbegin()))
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{
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string::reverse_iterator it = str.rbegin();
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while (it != str.rend() && isspace(*it))
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{
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it++;
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}
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str.erase(it.base(), str.end());
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}
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}
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return str;
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}
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}
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static void process_uri(string& uri, std::deque<string>& uri_parts)
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{
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/** Clean up trailing slashes in requested resource */
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while (uri.length() > 1 && *uri.rbegin() == '/')
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{
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uri.erase(uri.find_last_of("/"));
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}
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string my_uri = uri;
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while (my_uri.length() && *my_uri.begin() == '/')
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{
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my_uri.erase(my_uri.begin());
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}
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while (my_uri.length() > 0)
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{
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size_t pos = my_uri.find("/");
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string part = pos == string::npos ? my_uri : my_uri.substr(0, pos);
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my_uri.erase(0, pos == string::npos ? pos : pos + 1);
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uri_parts.push_back(part);
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}
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}
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HttpRequest::HttpRequest(struct MHD_Connection *connection, string url, string method, json_t* data):
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m_json(data),
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m_json_string(data ? mxs::json_dump(data, 0) : ""),
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m_resource(url),
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m_verb(method),
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m_connection(connection)
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{
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process_uri(url, m_resource_parts);
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m_hostname = mxs_admin_https_enabled() ? HttpRequest::HTTPS_PREFIX : HttpRequest::HTTP_PREFIX;
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m_hostname += get_header(HTTP_HOST_HEADER);
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string method_override = get_header(HTTP_METHOD_OVERRIDE);
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if (method_override.length())
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{
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m_verb = method_override;
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}
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if (m_hostname[m_hostname.size() - 1] != '/')
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{
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m_hostname += "/";
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}
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m_hostname += MXS_REST_API_VERSION;
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}
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HttpRequest::~HttpRequest()
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{
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}
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bool HttpRequest::validate_api_version()
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{
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bool rval = false;
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if (m_resource_parts.size() > 0 &&
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m_resource_parts[0] == MXS_REST_API_VERSION)
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{
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m_resource_parts.pop_front();
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rval = true;
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}
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return rval;
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}
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