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<?php
/*
* Laconica - a distributed open-source microblogging tool
* Copyright (C) 2008, Controlez-Vous, Inc.
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
if (!defined('LACONICA')) { exit(1); }
// XXX: Not sure of terminology yet... maybe call things "api_methods" insteads of "commands"
class ApiAction extends Action {
function handle($args) {
parent::handle($args);
$command = $this->arg('command');
# XXX Maybe check to see if the command actually exists first
if($this->requires_auth($command)) {
if (!isset($_SERVER['PHP_AUTH_USER'])) {
# This header makes basic auth go
header('WWW-Authenticate: Basic realm="Laconica API');
# if the user hits cancel -- bam!
common_show_basic_auth_error();
} else {
$nickname = $_SERVER['PHP_AUTH_USER'];
$password = $_SERVER['PHP_AUTH_PW'];
$user = common_check_user($nickname, $password);
if ($user) {
$this->process_command($command, $nickname, $password);
} else {
# basic authentication failed
common_show_basic_auth_error();
}
}
} else {
$this->process_command($command);
}
}
# this is where we can dispatch off to api Class files
function process_command($command, $nickname=NULL, $password=NULL) {
$parts = explode('.', $command);
$api_action = "api_$parts[0]";
$extension = $parts[1]; # requested content type
$api_actionfile = INSTALLDIR."/actions/$api_action.php";
if (file_exists($api_actionfile)) {
require_once($api_actionfile);
$action_class = ucfirst($api_action)."Action";
$action_obj = new $action_class();
# need to pass off nick and password and stuff ... put in $args? constructor?
# pull from $_REQUEST later?
call_user_func(array($action_obj, 'handle'), $_REQUEST);
} else {
# need appropriate API error functs
print "\nerror!\n";
}
}
# Whitelist of API methods that don't need authentication
function requires_auth($command) {
# The only command that doesn't in Twitter's API is public_timeline
if (ereg('^public_timeline.*$', $command)) {
return false;
}
return true;
}
}
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