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155 lines
4.0 KiB
PHP
155 lines
4.0 KiB
PHP
<?php
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# ***** BEGIN LICENSE BLOCK *****
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# Version: MPL 1.1/GPL 2.0/LGPL 2.1
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#
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# The contents of this file are subject to the Mozilla Public License Version
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# 1.1 (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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# http://www.mozilla.org/MPL/
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#
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# Software distributed under the License is distributed on an "AS IS" basis,
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# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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# for the specific language governing rights and limitations under the
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# License.
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#
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# The Original Code is Weave Minimal Server
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#
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# The Initial Developer of the Original Code is
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# Mozilla Labs.
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# Portions created by the Initial Developer are Copyright (C) 2008
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# the Initial Developer. All Rights Reserved.
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#
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# Contributor(s):
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# Toby Elliott (telliott@mozilla.com)
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# Luca Tettamanti
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#
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# Alternatively, the contents of this file may be used under the terms of
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# either the GNU General Public License Version 2 or later (the "GPL"), or
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# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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# in which case the provisions of the GPL or the LGPL are applicable instead
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# of those above. If you wish to allow use of your version of this file only
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# under the terms of either the GPL or the LGPL, and not to allow others to
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# use your version of this file under the terms of the MPL, indicate your
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# decision by deleting the provisions above and replace them with the notice
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# and other provisions required by the GPL or the LGPL. If you do not delete
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# the provisions above, a recipient may use your version of this file under
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# the terms of any one of the MPL, the GPL or the LGPL.
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#
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# ***** END LICENSE BLOCK *****
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#The datasets we might be dealing with here are too large for sticking it all into an array, so
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#we need to define a direct-output method for the storage class to use. If we start producing multiples
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#(unlikely), we can put them in their own class.
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class WBOJsonOutput
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{
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private $_full = null;
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private $_comma_flag = 0;
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private $_output_format = 'json';
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function __construct ($full = false)
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{
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$this->_full = $full;
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if (array_key_exists('HTTP_ACCEPT', $_SERVER)
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&& !preg_match('/\*\/\*/', $_SERVER['HTTP_ACCEPT'])
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&& !preg_match('/application\/json/', $_SERVER['HTTP_ACCEPT']))
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{
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if (preg_match('/application\/whoisi/', $_SERVER['HTTP_ACCEPT']))
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{
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header("Content-type: application/whoisi");
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$this->_output_format = 'whoisi';
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}
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elseif (preg_match('/application\/newlines/', $_SERVER['HTTP_ACCEPT']))
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{
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header("Content-type: application/newlines");
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$this->_output_format = 'newlines';
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}
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}
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}
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function set_format($format)
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{
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$this->_output_format = $format;
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}
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function output($sth)
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{
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if (($rowcount = $sth->rowCount()) > 0)
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{
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header('X-Weave-Records: ' . $rowcount);
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}
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if ($this->_output_format == 'newlines')
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{
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return $this->output_newlines($sth);
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}
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elseif ($this->_output_format == 'whoisi')
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{
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return $this->output_whoisi($sth);
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}
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else
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{
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return $this->output_json($sth);
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}
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}
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function output_json($sth)
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{
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echo '[';
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while ($result = $sth->fetch(PDO::FETCH_ASSOC))
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{
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if ($this->_comma_flag) { echo ','; } else { $this->_comma_flag = 1; }
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if ($this->_full)
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{
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$wbo = new wbo();
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$wbo->populate($result);
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echo $wbo->json();
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}
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else
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echo json_encode($result{'id'});
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}
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echo ']';
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return 1;
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}
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function output_whoisi($sth)
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{
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while ($result = $sth->fetch(PDO::FETCH_ASSOC))
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{
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if ($this->_full)
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{
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$wbo = new wbo();
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$wbo->populate($result);
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$output = $wbo->json();
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}
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else
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$output = json_encode($result{'id'});
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echo pack('N', mb_strlen($output, '8bit')) . $output;
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}
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return 1;
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}
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function output_newlines($sth)
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{
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while ($result = $sth->fetch(PDO::FETCH_ASSOC))
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{
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if ($this->_full)
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{
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$wbo = new wbo();
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$wbo->populate($result);
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echo preg_replace('/\n/', '\u000a', $wbo->json());
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}
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else
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echo json_encode($result{'id'});
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echo "\n";
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}
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return 1;
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}
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}
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?>
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