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Give users more control over URL shortening

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Users and administrators can set how long an URL can be before it's
shortened, and how long a notice can be before all its URLs are
shortened. They can also turn off shortening altogether.

Squashed commit of the following:

commit d136b39011
Author: Evan Prodromou <evan@status.net>
Date:   Mon Apr 26 02:39:00 2010 -0400

    use site and user settings to determine when to shorten URLs

commit 1e1c851ff3
Author: Evan Prodromou <evan@status.net>
Date:   Mon Apr 26 02:38:40 2010 -0400

    add a method to force shortening URLs

commit 4d29ca0b91
Author: Evan Prodromou <evan@status.net>
Date:   Mon Apr 26 02:37:41 2010 -0400

    static method for getting best URL shortening service

commit a9c6a3bace
Author: Evan Prodromou <evan@status.net>
Date:   Mon Apr 26 02:37:11 2010 -0400

    allow 0 in numeric entries in othersettings

commit 767ff2f7ec
Author: Evan Prodromou <evan@status.net>
Date:   Mon Apr 26 02:36:46 2010 -0400

    allow 0 or blank string in inputs

commit 1e21af42a6
Author: Evan Prodromou <evan@status.net>
Date:   Mon Apr 26 02:01:11 2010 -0400

    add more URL-shortening options to othersettings

commit 869a6be0f5
Author: Evan Prodromou <evan@status.net>
Date:   Sat Apr 24 14:22:51 2010 -0400

    move url shortener superclass to lib from plugin

commit 9c0c9863d5
Author: Evan Prodromou <evan@status.net>
Date:   Sat Apr 24 14:20:28 2010 -0400

    documentation and whitespace on UrlShortenerPlugin

commit 7a1dd5798f
Author: Evan Prodromou <evan@status.net>
Date:   Sat Apr 24 14:05:46 2010 -0400

    add defaults for URL shortening

commit d259c37ad2
Author: Evan Prodromou <evan@status.net>
Date:   Sat Apr 24 13:40:10 2010 -0400

    Add User_urlshortener_prefs

    Add a table for URL shortener prefs, a corresponding class, and the
    correct mumbo-jumbo in statusnet.ini to make everything work.
This commit is contained in:
Evan Prodromou
2010-04-26 02:40:36 -04:00
parent 727ea5a516
commit 14adb7cc41
16 changed files with 435 additions and 129 deletions
Download Patch File Download Diff File Expand all files Collapse all files

155
lib/urlshortenerplugin.php Normal file
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<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Superclass for plugins that do URL shortening
*
* PHP version 5
*
* LICENCE: 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/>.
*
* @category Plugin
* @package StatusNet
* @author Craig Andrews <candrews@integralblue.com>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET') && !defined('LACONICA')) {
exit(1);
}
/**
* Superclass for plugins that do URL shortening
*
* @category Plugin
* @package StatusNet
* @author Craig Andrews <candrews@integralblue.com>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
abstract class UrlShortenerPlugin extends Plugin
{
public $shortenerName;
public $freeService = false;
// Url Shortener plugins should implement some (or all)
// of these methods
/**
* Make an URL shorter.
*
* @param string $url URL to shorten
*
* @return string shortened version of the url, or null on failure
*/
protected abstract function shorten($url);
/**
* Utility to get the data at an URL
*
* @param string $url URL to fetch
*
* @return string response body
*
* @todo rename to code-standard camelCase httpGet()
*/
protected function http_get($url)
{
$request = HTTPClient::start();
$response = $request->get($url);
return $response->getBody();
}
/**
* Utility to post a request and get a response URL
*
* @param string $url URL to fetch
* @param array $data post parameters
*
* @return string response body
*
* @todo rename to code-standard httpPost()
*/
protected function http_post($url, $data)
{
$request = HTTPClient::start();
$response = $request->post($url, null, $data);
return $response->getBody();
}
// Hook handlers
/**
* Called when all plugins have been initialized
*
* @return boolean hook value
*/
function onInitializePlugin()
{
if (!isset($this->shortenerName)) {
throw new Exception("must specify a shortenerName");
}
return true;
}
/**
* Called when a showing the URL shortener drop-down box
*
* Properties of the shortening service currently only
* include whether it's a free service.
*
* @param array &$shorteners array mapping shortener name to properties
*
* @return boolean hook value
*/
function onGetUrlShorteners(&$shorteners)
{
$shorteners[$this->shortenerName] =
array('freeService' => $this->freeService);
return true;
}
/**
* Called to shorten an URL
*
* @param string $url URL to shorten
* @param string $shortenerName Shortening service. Don't handle if it's
* not you!
* @param string &$shortenedUrl URL after shortening; out param.
*
* @return boolean hook value
*/
function onStartShortenUrl($url, $shortenerName, &$shortenedUrl)
{
if ($shortenerName == $this->shortenerName) {
$result = $this->shorten($url);
if (isset($result) && $result != null && $result !== false) {
$shortenedUrl = $result;
common_log(LOG_INFO,
__CLASS__ . ": $this->shortenerName ".
"shortened $url to $shortenedUrl");
return false;
}
}
return true;
}
}