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Merge branch '0.8.x' of git://gitorious.org/laconica/dev into dev/0.8.x

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This commit is contained in:
Evan Prodromou 2009-02-17 15:17:26 +00:00
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4
README
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@ -201,6 +201,10 @@ and the URLs are listed here for your convenience.
version may render your Laconica site unable to send or receive XMPP
messages.
- Facebook library. Used for the Facebook application.
- PEAR Services_oEmbed. Used for some multimedia integration.
- PEAR HTTP_Request is an oEmbed dependency.
- PEAR Validat is an oEmbed dependency.e
- PEAR Net_URL is an oEmbed dependency.2
A design goal of Laconica is that the basic Web functionality should
work on even the most restrictive commercial hosting services.

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<?php
/**
* Listener for HTTP_Request and HTTP_Response objects
*
* PHP versions 4 and 5
*
* LICENSE:
*
* Copyright (c) 2002-2007, Richard Heyes
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* o Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* o Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* o The names of the authors may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* @category HTTP
* @package HTTP_Request
* @author Alexey Borzov <avb@php.net>
* @copyright 2002-2007 Richard Heyes
* @license http://opensource.org/licenses/bsd-license.php New BSD License
* @version CVS: $Id: Listener.php,v 1.3 2007/05/18 10:33:31 avb Exp $
* @link http://pear.php.net/package/HTTP_Request/
*/
/**
* Listener for HTTP_Request and HTTP_Response objects
*
* This class implements the Observer part of a Subject-Observer
* design pattern.
*
* @category HTTP
* @package HTTP_Request
* @author Alexey Borzov <avb@php.net>
* @version Release: 1.4.4
*/
class HTTP_Request_Listener
{
/**
* A listener's identifier
* @var string
*/
var $_id;
/**
* Constructor, sets the object's identifier
*
* @access public
*/
function HTTP_Request_Listener()
{
$this->_id = md5(uniqid('http_request_', 1));
}
/**
* Returns the listener's identifier
*
* @access public
* @return string
*/
function getId()
{
return $this->_id;
}
/**
* This method is called when Listener is notified of an event
*
* @access public
* @param object an object the listener is attached to
* @param string Event name
* @param mixed Additional data
* @abstract
*/
function update(&$subject, $event, $data = null)
{
echo "Notified of event: '$event'\n";
if (null !== $data) {
echo "Additional data: ";
var_dump($data);
}
}
}
?>

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<?php
// +-----------------------------------------------------------------------+
// | Copyright (c) 2007-2008, Christian Schmidt, Peytz & Co. A/S |
// | All rights reserved. |
// | |
// | Redistribution and use in source and binary forms, with or without |
// | modification, are permitted provided that the following conditions |
// | are met: |
// | |
// | o Redistributions of source code must retain the above copyright |
// | notice, this list of conditions and the following disclaimer. |
// | o Redistributions in binary form must reproduce the above copyright |
// | notice, this list of conditions and the following disclaimer in the |
// | documentation and/or other materials provided with the distribution.|
// | o The names of the authors may not be used to endorse or promote |
// | products derived from this software without specific prior written |
// | permission. |
// | |
// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
// | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
// | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
// | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
// | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
// | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
// | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
// | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
// | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
// | |
// +-----------------------------------------------------------------------+
// | Author: Christian Schmidt <schmidt at php dot net> |
// +-----------------------------------------------------------------------+
//
// $Id: URL2.php,v 1.10 2008/04/26 21:57:08 schmidt Exp $
//
// Net_URL2 Class (PHP5 Only)
// This code is released under the BSD License - http://www.opensource.org/licenses/bsd-license.php
/**
* @license BSD License
*/
class Net_URL2
{
/**
* Do strict parsing in resolve() (see RFC 3986, section 5.2.2). Default
* is true.
*/
const OPTION_STRICT = 'strict';
/**
* Represent arrays in query using PHP's [] notation. Default is true.
*/
const OPTION_USE_BRACKETS = 'use_brackets';
/**
* URL-encode query variable keys. Default is true.
*/
const OPTION_ENCODE_KEYS = 'encode_keys';
/**
* Query variable separators when parsing the query string. Every character
* is considered a separator. Default is specified by the
* arg_separator.input php.ini setting (this defaults to "&").
*/
const OPTION_SEPARATOR_INPUT = 'input_separator';
/**
* Query variable separator used when generating the query string. Default
* is specified by the arg_separator.output php.ini setting (this defaults
* to "&").
*/
const OPTION_SEPARATOR_OUTPUT = 'output_separator';
/**
* Default options corresponds to how PHP handles $_GET.
*/
private $options = array(
self::OPTION_STRICT => true,
self::OPTION_USE_BRACKETS => true,
self::OPTION_ENCODE_KEYS => true,
self::OPTION_SEPARATOR_INPUT => 'x&',
self::OPTION_SEPARATOR_OUTPUT => 'x&',
);
/**
* @var string|bool
*/
private $scheme = false;
/**
* @var string|bool
*/
private $userinfo = false;
/**
* @var string|bool
*/
private $host = false;
/**
* @var int|bool
*/
private $port = false;
/**
* @var string
*/
private $path = '';
/**
* @var string|bool
*/
private $query = false;
/**
* @var string|bool
*/
private $fragment = false;
/**
* @param string $url an absolute or relative URL
* @param array $options
*/
public function __construct($url, $options = null)
{
$this->setOption(self::OPTION_SEPARATOR_INPUT,
ini_get('arg_separator.input'));
$this->setOption(self::OPTION_SEPARATOR_OUTPUT,
ini_get('arg_separator.output'));
if (is_array($options)) {
foreach ($options as $optionName => $value) {
$this->setOption($optionName);
}
}
if (preg_match('@^([a-z][a-z0-9.+-]*):@i', $url, $reg)) {
$this->scheme = $reg[1];
$url = substr($url, strlen($reg[0]));
}
if (preg_match('@^//([^/#?]+)@', $url, $reg)) {
$this->setAuthority($reg[1]);
$url = substr($url, strlen($reg[0]));
}
$i = strcspn($url, '?#');
$this->path = substr($url, 0, $i);
$url = substr($url, $i);
if (preg_match('@^\?([^#]*)@', $url, $reg)) {
$this->query = $reg[1];
$url = substr($url, strlen($reg[0]));
}
if ($url) {
$this->fragment = substr($url, 1);
}
}
/**
* Returns the scheme, e.g. "http" or "urn", or false if there is no
* scheme specified, i.e. if this is a relative URL.
*
* @return string|bool
*/
public function getScheme()
{
return $this->scheme;
}
/**
* @param string|bool $scheme
*
* @return void
* @see getScheme()
*/
public function setScheme($scheme)
{
$this->scheme = $scheme;
}
/**
* Returns the user part of the userinfo part (the part preceding the first
* ":"), or false if there is no userinfo part.
*
* @return string|bool
*/
public function getUser()
{
return $this->userinfo !== false ? preg_replace('@:.*$@', '', $this->userinfo) : false;
}
/**
* Returns the password part of the userinfo part (the part after the first
* ":"), or false if there is no userinfo part (i.e. the URL does not
* contain "@" in front of the hostname) or the userinfo part does not
* contain ":".
*
* @return string|bool
*/
public function getPassword()
{
return $this->userinfo !== false ? substr(strstr($this->userinfo, ':'), 1) : false;
}
/**
* Returns the userinfo part, or false if there is none, i.e. if the
* authority part does not contain "@".
*
* @return string|bool
*/
public function getUserinfo()
{
return $this->userinfo;
}
/**
* Sets the userinfo part. If two arguments are passed, they are combined
* in the userinfo part as username ":" password.
*
* @param string|bool $userinfo userinfo or username
* @param string|bool $password
*
* @return void
*/
public function setUserinfo($userinfo, $password = false)
{
$this->userinfo = $userinfo;
if ($password !== false) {
$this->userinfo .= ':' . $password;
}
}
/**
* Returns the host part, or false if there is no authority part, e.g.
* relative URLs.
*
* @return string|bool
*/
public function getHost()
{
return $this->host;
}
/**
* @param string|bool $host
*
* @return void
*/
public function setHost($host)
{
$this->host = $host;
}
/**
* Returns the port number, or false if there is no port number specified,
* i.e. if the default port is to be used.
*
* @return int|bool
*/
public function getPort()
{
return $this->port;
}
/**
* @param int|bool $port
*
* @return void
*/
public function setPort($port)
{
$this->port = intval($port);
}
/**
* Returns the authority part, i.e. [ userinfo "@" ] host [ ":" port ], or
* false if there is no authority none.
*
* @return string|bool
*/
public function getAuthority()
{
if (!$this->host) {
return false;
}
$authority = '';
if ($this->userinfo !== false) {
$authority .= $this->userinfo . '@';
}
$authority .= $this->host;
if ($this->port !== false) {
$authority .= ':' . $this->port;
}
return $authority;
}
/**
* @param string|false $authority
*
* @return void
*/
public function setAuthority($authority)
{
$this->user = false;
$this->pass = false;
$this->host = false;
$this->port = false;
if (preg_match('@^(([^\@]+)\@)?([^:]+)(:(\d*))?$@', $authority, $reg)) {
if ($reg[1]) {
$this->userinfo = $reg[2];
}
$this->host = $reg[3];
if (isset($reg[5])) {
$this->port = intval($reg[5]);
}
}
}
/**
* Returns the path part (possibly an empty string).
*
* @return string
*/
public function getPath()
{
return $this->path;
}
/**
* @param string $path
*
* @return void
*/
public function setPath($path)
{
$this->path = $path;
}
/**
* Returns the query string (excluding the leading "?"), or false if "?"
* isn't present in the URL.
*
* @return string|bool
* @see self::getQueryVariables()
*/
public function getQuery()
{
return $this->query;
}
/**
* @param string|bool $query
*
* @return void
* @see self::setQueryVariables()
*/
public function setQuery($query)
{
$this->query = $query;
}
/**
* Returns the fragment name, or false if "#" isn't present in the URL.
*
* @return string|bool
*/
public function getFragment()
{
return $this->fragment;
}
/**
* @param string|bool $fragment
*
* @return void
*/
public function setFragment($fragment)
{
$this->fragment = $fragment;
}
/**
* Returns the query string like an array as the variables would appear in
* $_GET in a PHP script.
*
* @return array
*/
public function getQueryVariables()
{
$pattern = '/[' .
preg_quote($this->getOption(self::OPTION_SEPARATOR_INPUT), '/') .
']/';
$parts = preg_split($pattern, $this->query, -1, PREG_SPLIT_NO_EMPTY);
$return = array();
foreach ($parts as $part) {
if (strpos($part, '=') !== false) {
list($key, $value) = explode('=', $part, 2);
} else {
$key = $part;
$value = null;
}
if ($this->getOption(self::OPTION_ENCODE_KEYS)) {
$key = rawurldecode($key);
}
$value = rawurldecode($value);
if ($this->getOption(self::OPTION_USE_BRACKETS) &&
preg_match('#^(.*)\[([0-9a-z_-]*)\]#i', $key, $matches)) {
$key = $matches[1];
$idx = $matches[2];
// Ensure is an array
if (empty($return[$key]) || !is_array($return[$key])) {
$return[$key] = array();
}
// Add data
if ($idx === '') {
$return[$key][] = $value;
} else {
$return[$key][$idx] = $value;
}
} elseif (!$this->getOption(self::OPTION_USE_BRACKETS)
&& !empty($return[$key])
) {
$return[$key] = (array) $return[$key];
$return[$key][] = $value;
} else {
$return[$key] = $value;
}
}
return $return;
}
/**
* @param array $array (name => value) array
*
* @return void
*/
public function setQueryVariables(array $array)
{
if (!$array) {
$this->query = false;
} else {
foreach ($array as $name => $value) {
if ($this->getOption(self::OPTION_ENCODE_KEYS)) {
$name = rawurlencode($name);
}
if (is_array($value)) {
foreach ($value as $k => $v) {
$parts[] = $this->getOption(self::OPTION_USE_BRACKETS)
? sprintf('%s[%s]=%s', $name, $k, $v)
: ($name . '=' . $v);
}
} elseif (!is_null($value)) {
$parts[] = $name . '=' . $value;
} else {
$parts[] = $name;
}
}
$this->query = implode($this->getOption(self::OPTION_SEPARATOR_OUTPUT),
$parts);
}
}
/**
* @param string $name
* @param mixed $value
*
* @return array
*/
public function setQueryVariable($name, $value)
{
$array = $this->getQueryVariables();
$array[$name] = $value;
$this->setQueryVariables($array);
}
/**
* @param string $name
*
* @return void
*/
public function unsetQueryVariable($name)
{
$array = $this->getQueryVariables();
unset($array[$name]);
$this->setQueryVariables($array);
}
/**
* Returns a string representation of this URL.
*
* @return string
*/
public function getURL()
{
// See RFC 3986, section 5.3
$url = "";
if ($this->scheme !== false) {
$url .= $this->scheme . ':';
}
$authority = $this->getAuthority();
if ($authority !== false) {
$url .= '//' . $authority;
}
$url .= $this->path;
if ($this->query !== false) {
$url .= '?' . $this->query;
}
if ($this->fragment !== false) {
$url .= '#' . $this->fragment;
}
return $url;
}
/**
* Returns a normalized string representation of this URL. This is useful
* for comparison of URLs.
*
* @return string
*/
public function getNormalizedURL()
{
$url = clone $this;
$url->normalize();
return $url->getUrl();
}
/**
* Returns a normalized Net_URL2 instance.
*
* @return Net_URL2
*/
public function normalize()
{
// See RFC 3886, section 6
// Schemes are case-insensitive
if ($this->scheme) {
$this->scheme = strtolower($this->scheme);
}
// Hostnames are case-insensitive
if ($this->host) {
$this->host = strtolower($this->host);
}
// Remove default port number for known schemes (RFC 3986, section 6.2.3)
if ($this->port &&
$this->scheme &&
$this->port == getservbyname($this->scheme, 'tcp')) {
$this->port = false;
}
// Normalize case of %XX percentage-encodings (RFC 3986, section 6.2.2.1)
foreach (array('userinfo', 'host', 'path') as $part) {
if ($this->$part) {
$this->$part = preg_replace('/%[0-9a-f]{2}/ie', 'strtoupper("\0")', $this->$part);
}
}
// Path segment normalization (RFC 3986, section 6.2.2.3)
$this->path = self::removeDotSegments($this->path);
// Scheme based normalization (RFC 3986, section 6.2.3)
if ($this->host && !$this->path) {
$this->path = '/';
}
}
/**
* Returns whether this instance represents an absolute URL.
*
* @return bool
*/
public function isAbsolute()
{
return (bool) $this->scheme;
}
/**
* Returns an Net_URL2 instance representing an absolute URL relative to
* this URL.
*
* @param Net_URL2|string $reference relative URL
*
* @return Net_URL2
*/
public function resolve($reference)
{
if (is_string($reference)) {
$reference = new self($reference);
}
if (!$this->isAbsolute()) {
throw new Exception('Base-URL must be absolute');
}
// A non-strict parser may ignore a scheme in the reference if it is
// identical to the base URI's scheme.
if (!$this->getOption(self::OPTION_STRICT) && $reference->scheme == $this->scheme) {
$reference->scheme = false;
}
$target = new self('');
if ($reference->scheme !== false) {
$target->scheme = $reference->scheme;
$target->setAuthority($reference->getAuthority());
$target->path = self::removeDotSegments($reference->path);
$target->query = $reference->query;
} else {
$authority = $reference->getAuthority();
if ($authority !== false) {
$target->setAuthority($authority);
$target->path = self::removeDotSegments($reference->path);
$target->query = $reference->query;
} else {
if ($reference->path == '') {
$target->path = $this->path;
if ($reference->query !== false) {
$target->query = $reference->query;
} else {
$target->query = $this->query;
}
} else {
if (substr($reference->path, 0, 1) == '/') {
$target->path = self::removeDotSegments($reference->path);
} else {
// Merge paths (RFC 3986, section 5.2.3)
if ($this->host !== false && $this->path == '') {
$target->path = '/' . $this->path;
} else {
$i = strrpos($this->path, '/');
if ($i !== false) {
$target->path = substr($this->path, 0, $i + 1);
}
$target->path .= $reference->path;
}
$target->path = self::removeDotSegments($target->path);
}
$target->query = $reference->query;
}
$target->setAuthority($this->getAuthority());
}
$target->scheme = $this->scheme;
}
$target->fragment = $reference->fragment;
return $target;
}
/**
* Removes dots as described in RFC 3986, section 5.2.4, e.g.
* "/foo/../bar/baz" => "/bar/baz"
*
* @param string $path a path
*
* @return string a path
*/
private static function removeDotSegments($path)
{
$output = '';
// Make sure not to be trapped in an infinite loop due to a bug in this
// method
$j = 0;
while ($path && $j++ < 100) {
// Step A
if (substr($path, 0, 2) == './') {
$path = substr($path, 2);
} elseif (substr($path, 0, 3) == '../') {
$path = substr($path, 3);
// Step B
} elseif (substr($path, 0, 3) == '/./' || $path == '/.') {
$path = '/' . substr($path, 3);
// Step C
} elseif (substr($path, 0, 4) == '/../' || $path == '/..') {
$path = '/' . substr($path, 4);
$i = strrpos($output, '/');
$output = $i === false ? '' : substr($output, 0, $i);
// Step D
} elseif ($path == '.' || $path == '..') {
$path = '';
// Step E
} else {
$i = strpos($path, '/');
if ($i === 0) {
$i = strpos($path, '/', 1);
}
if ($i === false) {
$i = strlen($path);
}
$output .= substr($path, 0, $i);
$path = substr($path, $i);
}
}
return $output;
}
/**
* Returns a Net_URL2 instance representing the canonical URL of the
* currently executing PHP script.
*
* @return string
*/
public static function getCanonical()
{
if (!isset($_SERVER['REQUEST_METHOD'])) {
// ALERT - no current URL
throw new Exception('Script was not called through a webserver');
}
// Begin with a relative URL
$url = new self($_SERVER['PHP_SELF']);
$url->scheme = isset($_SERVER['HTTPS']) ? 'https' : 'http';
$url->host = $_SERVER['SERVER_NAME'];
$port = intval($_SERVER['SERVER_PORT']);
if ($url->scheme == 'http' && $port != 80 ||
$url->scheme == 'https' && $port != 443) {
$url->port = $port;
}
return $url;
}
/**
* Returns the URL used to retrieve the current request.
*
* @return string
*/
public static function getRequestedURL()
{
return self::getRequested()->getUrl();
}
/**
* Returns a Net_URL2 instance representing the URL used to retrieve the
* current request.
*
* @return Net_URL2
*/
public static function getRequested()
{
if (!isset($_SERVER['REQUEST_METHOD'])) {
// ALERT - no current URL
throw new Exception('Script was not called through a webserver');
}
// Begin with a relative URL
$url = new self($_SERVER['REQUEST_URI']);
$url->scheme = isset($_SERVER['HTTPS']) ? 'https' : 'http';
// Set host and possibly port
$url->setAuthority($_SERVER['HTTP_HOST']);
return $url;
}
/**
* Sets the specified option.
*
* @param string $optionName a self::OPTION_ constant
* @param mixed $value option value
*
* @return void
* @see self::OPTION_STRICT
* @see self::OPTION_USE_BRACKETS
* @see self::OPTION_ENCODE_KEYS
*/
function setOption($optionName, $value)
{
if (!array_key_exists($optionName, $this->options)) {
return false;
}
$this->options[$optionName] = $value;
}
/**
* Returns the value of the specified option.
*
* @param string $optionName The name of the option to retrieve
*
* @return mixed
*/
function getOption($optionName)
{
return isset($this->options[$optionName])
? $this->options[$optionName] : false;
}
}

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<?php
/**
* An interface for oEmbed consumption
*
* PHP version 5.1.0+
*
* Copyright (c) 2008, Digg.com, Inc.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of Digg.com, Inc. nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @category Services
* @package Services_oEmbed
* @author Joe Stump <joe@joestump.net>
* @copyright 2008 Digg.com, Inc.
* @license http://tinyurl.com/42zef New BSD License
* @version SVN: @version@
* @link http://code.google.com/p/digg
* @link http://oembed.com
*/
require_once 'Validate.php';
require_once 'Net/URL2.php';
require_once 'HTTP/Request.php';
require_once 'Services/oEmbed/Exception.php';
require_once 'Services/oEmbed/Exception/NoSupport.php';
require_once 'Services/oEmbed/Object.php';
/**
* Base class for consuming oEmbed objects
*
* <code>
* <?php
*
* require_once 'Services/oEmbed.php';
*
* // The URL that we'd like to find out more information about.
* $url = 'http://flickr.com/photos/joestump/2848795611/';
*
* // The oEmbed API URI. Not all providers support discovery yet so we're
* // explicitly providing one here. If one is not provided Services_oEmbed
* // attempts to discover it. If none is found an exception is thrown.
* $oEmbed = new Services_oEmbed($url, array(
* Services_oEmbed::OPTION_API => 'http://www.flickr.com/services/oembed/'
* ));
* $object = $oEmbed->getObject();
*
* // All of the objects have somewhat sane __toString() methods that allow
* // you to output them directly.
* echo (string)$object;
*
* ?>
* </code>
*
* @category Services
* @package Services_oEmbed
* @author Joe Stump <joe@joestump.net>
* @copyright 2008 Digg.com, Inc.
* @license http://tinyurl.com/42zef New BSD License
* @version Release: @version@
* @link http://code.google.com/p/digg
* @link http://oembed.com
*/
class Services_oEmbed
{
/**
* HTTP timeout in seconds
*
* All HTTP requests made by Services_oEmbed will respect this timeout.
* This can be passed to {@link Services_oEmbed::setOption()} or to the
* options parameter in {@link Services_oEmbed::__construct()}.
*
* @var string OPTION_TIMEOUT Timeout in seconds
*/
const OPTION_TIMEOUT = 'http_timeout';
/**
* HTTP User-Agent
*
* All HTTP requests made by Services_oEmbed will be sent with the
* string set by this option.
*
* @var string OPTION_USER_AGENT The HTTP User-Agent string
*/
const OPTION_USER_AGENT = 'http_user_agent';
/**
* The API's URI
*
* If the API is known ahead of time this option can be used to explicitly
* set it. If not present then the API is attempted to be discovered
* through the auto-discovery mechanism.
*
* @var string OPTION_API
*/
const OPTION_API = 'oembed_api';
/**
* Options for oEmbed requests
*
* @var array $options The options for making requests
*/
protected $options = array(
self::OPTION_TIMEOUT => 3,
self::OPTION_API => null,
self::OPTION_USER_AGENT => 'Services_oEmbed 0.1.0'
);
/**
* URL of object to get embed information for
*
* @var object $url {@link Net_URL2} instance of URL of object
*/
protected $url = null;
/**
* Constructor
*
* @param string $url The URL to fetch an oEmbed for
* @param array $options A list of options for the oEmbed lookup
*
* @throws {@link Services_oEmbed_Exception} if the $url is invalid
* @throws {@link Services_oEmbed_Exception} when no valid API is found
* @return void
*/
public function __construct($url, array $options = array())
{
if (Validate::uri($url)) {
$this->url = new Net_URL2($url);
} else {
throw new Services_oEmbed_Exception('URL is invalid');
}
if (count($options)) {
foreach ($options as $key => $val) {
$this->setOption($key, $val);
}
}
if ($this->options[self::OPTION_API] === null) {
$this->options[self::OPTION_API] = $this->discover();
}
}
/**
* Set an option for the oEmbed request
*
* @param mixed $option The option name
* @param mixed $value The option value
*
* @see Services_oEmbed::OPTION_API, Services_oEmbed::OPTION_TIMEOUT
* @throws {@link Services_oEmbed_Exception} on invalid option
* @access public
* @return void
*/
public function setOption($option, $value)
{
switch ($option) {
case self::OPTION_API:
case self::OPTION_TIMEOUT:
break;
default:
throw new Services_oEmbed_Exception(
'Invalid option "' . $option . '"'
);
}
$func = '_set_' . $option;
if (method_exists($this, $func)) {
$this->options[$option] = $this->$func($value);
} else {
$this->options[$option] = $value;
}
}
/**
* Set the API option
*
* @param string $value The API's URI
*
* @throws {@link Services_oEmbed_Exception} on invalid API URI
* @see Validate::uri()
* @return string
*/
protected function _set_oembed_api($value)
{
if (!Validate::uri($value)) {
throw new Services_oEmbed_Exception(
'API URI provided is invalid'
);
}
return $value;
}
/**
* Get the oEmbed response
*
* @param array $params Optional parameters for
*
* @throws {@link Services_oEmbed_Exception} on cURL errors
* @throws {@link Services_oEmbed_Exception} on HTTP errors
* @throws {@link Services_oEmbed_Exception} when result is not parsable
* @return object The oEmbed response as an object
*/
public function getObject(array $params = array())
{
$params['url'] = $this->url->getURL();
if (!isset($params['format'])) {
$params['format'] = 'json';
}
$sets = array();
foreach ($params as $var => $val) {
$sets[] = $var . '=' . urlencode($val);
}
$url = $this->options[self::OPTION_API] . '?' . implode('&', $sets);
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HEADER, false);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $this->options[self::OPTION_TIMEOUT]);
$result = curl_exec($ch);
if (curl_errno($ch)) {
throw new Services_oEmbed_Exception(
curl_error($ch), curl_errno($ch)
);
}
$code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
if (substr($code, 0, 1) != '2') {
throw new Services_oEmbed_Exception('Non-200 code returned');
}
curl_close($ch);
switch ($params['format']) {
case 'json':
$res = json_decode($result);
if (!is_object($res)) {
throw new Services_oEmbed_Exception(
'Could not parse JSON response'
);
}
break;
case 'xml':
libxml_use_internal_errors(true);
$res = simplexml_load_string($result);
if (!$res instanceof SimpleXMLElement) {
$errors = libxml_get_errors();
$err = array_shift($errors);
libxml_clear_errors();
libxml_use_internal_errors(false);
throw new Services_oEmbed_Exception(
$err->message, $error->code
);
}
break;
}
return Services_oEmbed_Object::factory($res);
}
/**
* Discover an oEmbed API
*
* @param string $url The URL to attempt to discover oEmbed for
*
* @throws {@link Services_oEmbed_Exception} if the $url is invalid
* @return string The oEmbed API endpoint discovered
*/
protected function discover($url)
{
$body = $this->sendRequest($url);
// Find all <link /> tags that have a valid oembed type set. We then
// extract the href attribute for each type.
$regexp = '#<link([^>]*)type="' .
'(application/json|text/xml)\+oembed"([^>]*)>#i';
$m = $ret = array();
if (!preg_match_all($regexp, $body, $m)) {
throw new Services_oEmbed_Exception_NoSupport(
'No valid oEmbed links found on page'
);
}
foreach ($m[0] as $i => $link) {
$h = array();
if (preg_match('/href="([^"]+)"/i', $link, $h)) {
$ret[$m[2][$i]] = $h[1];
}
}
return (isset($ret['json']) ? $ret['json'] : array_pop($ret));
}
/**
* Send a GET request to the provider
*
* @param mixed $url The URL to send the request to
*
* @throws {@link Services_oEmbed_Exception} on HTTP errors
* @return string The contents of the response
*/
private function sendRequest($url)
{
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HEADER, false);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $this->options[self::OPTION_TIMEOUT]);
curl_setopt($ch, CURLOPT_USERAGENT, $this->options[self::OPTION_USER_AGENT]);
$result = curl_exec($ch);
if (curl_errno($ch)) {
throw new Services_oEmbed_Exception(
curl_error($ch), curl_errno($ch)
);
}
$code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
if (substr($code, 0, 1) != '2') {
throw new Services_oEmbed_Exception('Non-200 code returned');
}
return $result;
}
}
?>

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<?php
/**
* Base exception class for {@link Services_oEmbed}
*
* PHP version 5.1.0+
*
* Copyright (c) 2008, Digg.com, Inc.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of Digg.com, Inc. nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @category Services
* @package Services_oEmbed
* @author Joe Stump <joe@joestump.net>
* @copyright 2008 Digg.com, Inc.
* @license http://tinyurl.com/42zef New BSD License
* @version SVN: @version@
* @link http://code.google.com/p/digg
* @link http://oembed.com
*/
require_once 'PEAR/Exception.php';
/**
* Base exception class for {@link Services_oEmbed}
*
* @category Services
* @package Services_oEmbed
* @author Joe Stump <joe@joestump.net>
* @copyright 2008 Digg.com, Inc.
* @license http://tinyurl.com/42zef New BSD License
* @version Release: @version@
* @link http://code.google.com/p/digg
* @link http://oembed.com
*/
class Services_oEmbed_Exception extends PEAR_Exception
{
}
?>

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<?php
/**
* Exception class when no oEmbed support is discovered
*
* PHP version 5.2.0+
*
* Copyright (c) 2008, Digg.com, Inc.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of Digg.com, Inc. nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @category Services
* @package Services_oEmbed
* @author Joe Stump <joe@joestump.net>
* @copyright 2008 Digg.com, Inc.
* @license http://tinyurl.com/42zef New BSD License
* @version SVN: @version@
* @link http://code.google.com/p/digg
* @link http://oembed.com
*/
/**
* Exception class when no oEmbed support is discovered
*
* @category Services
* @package Services_oEmbed
* @author Joe Stump <joe@joestump.net>
* @copyright 2008 Digg.com, Inc.
* @license http://tinyurl.com/42zef New BSD License
* @version Release: @version@
* @link http://code.google.com/p/digg
* @link http://oembed.com
*/
class Services_oEmbed_Exception_NoSupport extends Services_oEmbed_Exception
{
}
?>

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<?php
/**
* An interface for oEmbed consumption
*
* PHP version 5.1.0+
*
* Copyright (c) 2008, Digg.com, Inc.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of Digg.com, Inc. nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @category Services
* @package Services_oEmbed
* @author Joe Stump <joe@joestump.net>
* @copyright 2008 Digg.com, Inc.
* @license http://tinyurl.com/42zef New BSD License
* @version SVN: @version@
* @link http://code.google.com/p/digg
* @link http://oembed.com
*/
require_once 'Services/oEmbed/Object/Exception.php';
/**
* Base class for consuming oEmbed objects
*
* @category Services
* @package Services_oEmbed
* @author Joe Stump <joe@joestump.net>
* @copyright 2008 Digg.com, Inc.
* @license http://tinyurl.com/42zef New BSD License
* @version Release: @version@
* @link http://code.google.com/p/digg
* @link http://oembed.com
*/
abstract class Services_oEmbed_Object
{
/**
* Valid oEmbed object types
*
* @var array $types Array of valid object types
* @see Services_oEmbed_Object::factory()
*/
static protected $types = array(
'photo' => 'Photo',
'video' => 'Video',
'link' => 'Link',
'rich' => 'Rich'
);
/**
* Create an oEmbed object from result
*
* @param object $object Raw object returned from API
*
* @throws {@link Services_oEmbed_Object_Exception} on object error
* @return object Instance of object driver
* @see Services_oEmbed_Object_Link, Services_oEmbed_Object_Photo
* @see Services_oEmbed_Object_Rich, Services_oEmbed_Object_Video
*/
static public function factory($object)
{
if (!isset($object->type)) {
throw new Services_oEmbed_Object_Exception(
'Object has no type'
);
}
$type = (string)$object->type;
if (!isset(self::$types[$type])) {
throw new Services_oEmbed_Object_Exception(
'Object type is unknown or invalid: ' . $type
);
}
$file = 'Services/oEmbed/Object/' . self::$types[$type] . '.php';
include_once $file;
$class = 'Services_oEmbed_Object_' . self::$types[$type];
if (!class_exists($class)) {
throw new Services_oEmbed_Object_Exception(
'Object class is invalid or not present'
);
}
$instance = new $class($object);
return $instance;
}
/**
* Instantiation is not allowed
*
* @return void
*/
private function __construct()
{
}
}
?>

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<?php
/**
* Base class for oEmbed objects
*
* PHP version 5.1.0+
*
* Copyright (c) 2008, Digg.com, Inc.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of Digg.com, Inc. nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @category Services
* @package Services_oEmbed
* @author Joe Stump <joe@joestump.net>
* @copyright 2008 Digg.com, Inc.
* @license http://tinyurl.com/42zef New BSD License
* @version SVN: @version@
* @link http://code.google.com/p/digg
* @link http://oembed.com
*/
/**
* Base class for oEmbed objects
*
* @category Services
* @package Services_oEmbed
* @author Joe Stump <joe@joestump.net>
* @copyright 2008 Digg.com, Inc.
* @license http://tinyurl.com/42zef New BSD License
* @version Release: @version@
* @link http://code.google.com/p/digg
* @link http://oembed.com
*/
abstract class Services_oEmbed_Object_Common
{
/**
* Raw object returned from API
*
* @var object $object The raw object from the API
*/
protected $object = null;
/**
* Required fields per the specification
*
* @var array $required Array of required fields
* @link http://oembed.com
*/
protected $required = array();
/**
* Constructor
*
* @param object $object Raw object returned from the API
*
* @throws {@link Services_oEmbed_Object_Exception} on missing fields
* @return void
*/
public function __construct($object)
{
$this->object = $object;
$this->required[] = 'version';
foreach ($this->required as $field) {
if (!isset($this->$field)) {
throw new Services_oEmbed_Object_Exception(
'Object is missing required ' . $field . ' attribute'
);
}
}
}
/**
* Get object variable
*
* @param string $var Variable to get
*
* @see Services_oEmbed_Object_Common::$object
* @return mixed Attribute's value or null if it's not set/exists
*/
public function __get($var)
{
if (property_exists($this->object, $var)) {
return $this->object->$var;
}
return null;
}
/**
* Is variable set?
*
* @param string $var Variable name to check
*
* @return boolean True if set, false if not
* @see Services_oEmbed_Object_Common::$object
*/
public function __isset($var)
{
if (property_exists($this->object, $var)) {
return (isset($this->object->$var));
}
return false;
}
/**
* Require a sane __toString for all objects
*
* @return string
*/
abstract public function __toString();
}
?>

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<?php
/**
* Exception for {@link Services_oEmbed_Object}
*
* PHP version 5.1.0+
*
* Copyright (c) 2008, Digg.com, Inc.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of Digg.com, Inc. nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @category Services
* @package Services_oEmbed
* @author Joe Stump <joe@joestump.net>
* @copyright 2008 Digg.com, Inc.
* @license http://tinyurl.com/42zef New BSD License
* @version SVN: @version@
* @link http://code.google.com/p/digg
* @link http://oembed.com
*/
require_once 'Services/oEmbed/Exception.php';
/**
* Exception for {@link Services_oEmbed_Object}
*
* @category Services
* @package Services_oEmbed
* @author Joe Stump <joe@joestump.net>
* @copyright 2008 Digg.com, Inc.
* @license http://tinyurl.com/42zef New BSD License
* @version Release: @version@
* @link http://code.google.com/p/digg
* @link http://oembed.com
*/
class Services_oEmbed_Object_Exception extends Services_oEmbed_Exception
{
}
?>

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<?php
/**
* Link object for {@link Services_oEmbed}
*
* PHP version 5.2.0+
*
* Copyright (c) 2008, Digg.com, Inc.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of Digg.com, Inc. nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @category Services
* @package Services_oEmbed
* @author Joe Stump <joe@joestump.net>
* @copyright 2008 Digg.com, Inc.
* @license http://tinyurl.com/42zef New BSD License
* @version SVN: @version@
* @link http://code.google.com/p/digg
* @link http://oembed.com
*/
require_once 'Services/oEmbed/Object/Common.php';
/**
* Link object for {@link Services_oEmbed}
*
* @category Services
* @package Services_oEmbed
* @author Joe Stump <joe@joestump.net>
* @copyright 2008 Digg.com, Inc.
* @license http://tinyurl.com/42zef New BSD License
* @version Release: @version@
* @link http://code.google.com/p/digg
* @link http://oembed.com
*/
class Services_oEmbed_Object_Link extends Services_oEmbed_Object_Common
{
/**
* Output a sane link
*
* @return string An HTML link of the object
*/
public function __toString()
{
return '<a href="' . $this->url . '">' . $this->title . '</a>';
}
}
?>

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<?php
/**
* Photo object for {@link Services_oEmbed}
*
* PHP version 5.2.0+
*
* Copyright (c) 2008, Digg.com, Inc.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of Digg.com, Inc. nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @category Services
* @package Services_oEmbed
* @author Joe Stump <joe@joestump.net>
* @copyright 2008 Digg.com, Inc.
* @license http://tinyurl.com/42zef New BSD License
* @version SVN: @version@
* @link http://code.google.com/p/digg
* @link http://oembed.com
*/
require_once 'Services/oEmbed/Object/Common.php';
/**
* Photo object for {@link Services_oEmbed}
*
* @category Services
* @package Services_oEmbed
* @author Joe Stump <joe@joestump.net>
* @copyright 2008 Digg.com, Inc.
* @license http://tinyurl.com/42zef New BSD License
* @version Release: @version@
* @link http://code.google.com/p/digg
* @link http://oembed.com
*/
class Services_oEmbed_Object_Photo extends Services_oEmbed_Object_Common
{
/**
* Required fields for photo objects
*
* @var array $required Required fields
*/
protected $required = array(
'url', 'width', 'height'
);
/**
* Output a valid HTML tag for image
*
* @return string HTML <img /> tag for Photo
*/
public function __toString()
{
$img = '<img src="' . $this->url . '" width="' . $this->width . '" ' .
'height="' . $this->height . '"';
if (isset($this->title)) {
$img .= ' alt="' . $this->title . '"';
}
return $img . ' />';
}
}
?>

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extlib/Services/oEmbed/Object/Rich.php Normal file
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<?php
/**
* Photo object for {@link Services_oEmbed}
*
* PHP version 5.2.0+
*
* Copyright (c) 2008, Digg.com, Inc.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of Digg.com, Inc. nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @category Services
* @package Services_oEmbed
* @author Joe Stump <joe@joestump.net>
* @copyright 2008 Digg.com, Inc.
* @license http://tinyurl.com/42zef New BSD License
* @version SVN: @version@
* @link http://code.google.com/p/digg
* @link http://oembed.com
*/
require_once 'Services/oEmbed/Object/Common.php';
/**
* Photo object for {@link Services_oEmbed}
*
* @category Services
* @package Services_oEmbed
* @author Joe Stump <joe@joestump.net>
* @copyright 2008 Digg.com, Inc.
* @license http://tinyurl.com/42zef New BSD License
* @version Release: @version@
* @link http://code.google.com/p/digg
* @link http://oembed.com
*/
class Services_oEmbed_Object_Rich extends Services_oEmbed_Object_Common
{
/**
* Required fields for rich objects
*
* @var array $required Required fields
*/
protected $required = array(
'html', 'width', 'height'
);
/**
* Output a the HTML tag for rich object
*
* @return string HTML for rich object
*/
public function __toString()
{
return $this->html;
}
}
?>

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extlib/Services/oEmbed/Object/Video.php Normal file
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<?php
/**
* Photo object for {@link Services_oEmbed}
*
* PHP version 5.2.0+
*
* Copyright (c) 2008, Digg.com, Inc.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of Digg.com, Inc. nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @category Services
* @package Services_oEmbed
* @author Joe Stump <joe@joestump.net>
* @copyright 2008 Digg.com, Inc.
* @license http://tinyurl.com/42zef New BSD License
* @version SVN: @version@
* @link http://code.google.com/p/digg
* @link http://oembed.com
*/
require_once 'Services/oEmbed/Object/Common.php';
/**
* Photo object for {@link Services_oEmbed}
*
* @category Services
* @package Services_oEmbed
* @author Joe Stump <joe@joestump.net>
* @copyright 2008 Digg.com, Inc.
* @license http://tinyurl.com/42zef New BSD License
* @version Release: @version@
* @link http://code.google.com/p/digg
* @link http://oembed.com
*/
class Services_oEmbed_Object_Video extends Services_oEmbed_Object_Common
{
/**
* Required fields for video objects
*
* @var array $required Required fields
*/
protected $required = array(
'html', 'width', 'height'
);
/**
* Output a valid embed tag for video
*
* @return string HTML for video
*/
public function __toString()
{
return $this->html;
}
}
?>

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extlib/Validate.php
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