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Viewing changes to plugin/auth_http/auth_http.cc

  • Committer: Monty Taylor
  • Date: 2009-04-14 19:16:51 UTC
  • mto: (997.2.5 mordred)
  • mto: This revision was merged to the branch mainline in revision 994.
  • Revision ID: mordred@inaugust.com-20090414191651-ltbww6hpqks8k7qk
Clarified instructions in README.

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plugin/auth_http/auth_http.cc
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
 
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/*
 
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 -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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 *
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 *  Copyright (C) 2009 Sun Microsystems
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 *
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 *  This program is free software; you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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 *  the Free Software Foundation; version 2 of the License.
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 *
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 *  This program is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU General Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License
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 *  along with this program; if not, write to the Free Software
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 */
 
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*/
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#include "config.h"
 
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#include <drizzled/server_includes.h>
 
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#include <drizzled/session.h>
 
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#include <drizzled/plugin/authentication.h>
 
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#include <drizzled/gettext.h>
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#include <curl/curl.h>
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#include <string>
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#include <cassert>
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#include "drizzled/security_context.h"
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#include "drizzled/plugin/authentication.h"
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#include "drizzled/gettext.h"
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using namespace drizzled;
 
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using namespace std;
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static bool sysvar_auth_http_enable= false;
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static char* sysvar_auth_http_url= NULL;
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static size_t curl_cb_read(void *ptr, size_t size, size_t nmemb, void *stream)
 
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size_t curl_cb_read(void *ptr, size_t size, size_t nmemb, void *stream)
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{
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  (void) ptr;
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  (void) stream;
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}
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class Auth_http : public drizzled::plugin::Authentication
 
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class Auth_http : public Authentication
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{
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  CURLcode rv;
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  CURL *curl_handle;
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public:
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  Auth_http(std::string name_arg)
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    : drizzled::plugin::Authentication(name_arg)
 
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  Auth_http() : Authentication()
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  {
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    // we are trusting that plugin initializers are called singlethreaded at startup
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    // if something else also calls curl_global_init() in a threadrace while we are here,
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  ~Auth_http()
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  {
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    curl_easy_cleanup(curl_handle);
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    curl_global_cleanup();
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  }
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  virtual bool authenticate(const SecurityContext &sctx, const string &password)
 
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  virtual bool authenticate(Session *session, const char *password)
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  {
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    long http_response_code;
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    if (sysvar_auth_http_enable == false)
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      return true;
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    assert(sctx.getUser().c_str());
 
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    assert(session->security_ctx.user.c_str());
 
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    assert(password);
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    // set the parameters: url, username, password
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#if defined(HAVE_CURLOPT_USERNAME)
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    rv= curl_easy_setopt(curl_handle, CURLOPT_USERNAME,
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                         sctx.getUser().c_str());
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    rv= curl_easy_setopt(curl_handle, CURLOPT_PASSWORD, password.c_str());
 
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                         session->security_ctx.user.c_str());
 
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    rv= curl_easy_setopt(curl_handle, CURLOPT_PASSWORD, password);
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#else
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    string userpwd(sctx.getUser());
 
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    string userpwd= session->security_ctx.user;
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    userpwd.append(":");
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    userpwd.append(password);
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    rv= curl_easy_setopt(curl_handle, CURLOPT_USERPWD, userpwd.c_str());
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Auth_http* auth= NULL;
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static int initialize(drizzled::plugin::Context &context)
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{
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  /* 
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   * Per libcurl manual, in multi-threaded applications, curl_global_init() should
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   * be called *before* curl_easy_init()...which is called in Auto_http's 
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   * constructor.
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   */
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  if (curl_global_init(CURL_GLOBAL_NOTHING) != 0)
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    return 1;
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  auth= new Auth_http("auth_http");
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  context.add(auth);
 
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static int initialize(PluginRegistry &registry)
 
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{
 
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  auth= new Auth_http();
 
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  registry.add(auth);
 
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  return 0;
 
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}
 
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static int finalize(PluginRegistry &registry)
 
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{
 
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  if (auth)
 
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  {
 
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    registry.remove(auth);
 
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    delete auth;
 
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  }
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  return 0;
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}
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  NULL, /* update func*/
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  "http://localhost/" /* default */);
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static drizzle_sys_var* auth_http_system_variables[]= {
 
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static struct st_mysql_sys_var* auth_http_system_variables[]= {
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  DRIZZLE_SYSVAR(enable),
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  DRIZZLE_SYSVAR(url),
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  NULL
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};
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DRIZZLE_DECLARE_PLUGIN
 
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drizzle_declare_plugin(auth_http)
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{
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  DRIZZLE_VERSION_ID,
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  "auth_http",
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  "0.1",
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  "Mark Atwood",
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  "HTTP based authenication.",
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  PLUGIN_LICENSE_GPL,
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  initialize, /* Plugin Init */
 
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  finalize, /* Plugin Deinit */
 
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  NULL,   /* status variables */
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  auth_http_system_variables,
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  NULL    /* config options */
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}
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DRIZZLE_DECLARE_PLUGIN_END;
 
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drizzle_declare_plugin_end;