Add support for phancap website thumbnailer.

Drop support for artviper, since their service is gone.
This commit is contained in:
Christian Weiske 2014-04-23 23:12:55 +02:00
parent af2a061ecd
commit 6b3f1d4bb5
8 changed files with 230 additions and 41 deletions

View File

@ -542,35 +542,27 @@ $defaults['privacy'] = 0;
*/
/**
* Enable bookmark website thumbnails.
* Which thumbnail service type to use.
*
* According to artviper.net license, buy a license if you
* gain profit with your pages.
*
* @var boolean
* @link http://www.websitethumbnail.de/
*/
$enableWebsiteThumbnails = false;
/**
* User ID from websitethumbnail.de
*
* You need to register on
* http://www.artviper.net/registerapi.php
* in order to use thumbnails on your domain
*
* @var string
* @link http://www.artviper.net/registerapi.php
*/
$thumbnailsUserId = null;
/**
* API key.
* Sent to you by artviper.net after registration.
* Currently supported:
* - null (no screenshots)
* - 'phancap', see http://cweiske.de/phancap.htm
*
* @var string
*/
$thumbnailsKey = null;
$thumbnailsType = null;
/**
* Configuration for thumbnail service.
*
* Phancap requires an array with the following keys:
* - url: URL to phancap's get.php file
* - token: user name (if access protected)
* - secret: password for the user (if access protected)
*
* @var array
*/
$thumbnailsConfig = array();

View File

@ -5,14 +5,14 @@
*
* Expects a $row variable with bookmark data.
*/
if (!$GLOBALS['enableWebsiteThumbnails']) {
return;
$thumbnailer = SemanticScuttle_Service_Factory::get('Thumbnails')->getThumbnailer();
$imgUrl = $thumbnailer->getThumbnailUrl($address, 120, 90);
if ($imgUrl !== false) {
echo '<a href="' . htmlspecialchars($address) . '">'
. '<img class="thumbnail" width="120" height="90" src="'
. htmlspecialchars($imgUrl).
'" />'
. '</a>';
}
$thumbnailHash = md5(
$address . $GLOBALS['thumbnailsUserId'] . $GLOBALS['thumbnailsKey']
);
//echo '<a href="'. $address .'"'. $rel .' ><img class="thumbnail" src="http://www.artviper.net/screenshots/screener.php?url='.$address.'&w=120&sdx=1280&userID='.$GLOBALS['thumbnailsUserId'].'&hash='.$thumbnailHash.'" />';
echo '<img class="thumbnail" onclick="window.location.href=\''.htmlspecialchars($address).'\'" src="http://www.artviper.net/screenshots/screener.php?url='.htmlspecialchars($address).'&amp;w=120&amp;sdx=1280&amp;userID='.$GLOBALS['thumbnailsUserId'].'&amp;hash='.$thumbnailHash.'" />';
?>

View File

@ -6,11 +6,6 @@ echo '<a href="'.createURL('about').'">'.T_('About').'</a>';
echo ' - ';
echo T_("Propulsed by ");
echo " <a href=\"https://sourceforge.net/projects/semanticscuttle/\">SemanticScuttle</a>";
if($GLOBALS['enableWebsiteThumbnails']) {
// Licence to the thumbnails provider (OBLIGATORY IF YOU USE ARTVIPER SERVICE)
echo ' (Thumbnails by <a href="http://www.artviper.net">webdesign</a>)';
}
?>
</div>

View File

@ -51,7 +51,7 @@ class SemanticScuttle_Service
{
static $instance;
if (!isset($instance)) {
$instance = new self($db);
$instance = new static($db);
}
return $instance;
}

View File

@ -0,0 +1,59 @@
<?php
/**
* SemanticScuttle - your social bookmark manager.
*
* PHP version 5.
*
* @category Bookmarking
* @package SemanticScuttle
* @author Christian Weiske <cweiske@cweiske.de>
* @license GPL http://www.gnu.org/licenses/gpl.html
* @link http://sourceforge.net/projects/semanticscuttle
*/
/**
* Instantiates the configured website thumbnailer object.
*
* @category Bookmarking
* @package SemanticScuttle
* @author Christian Weiske <cweiske@cweiske.de>
* @license GPL http://www.gnu.org/licenses/gpl.html
* @link http://sourceforge.net/projects/semanticscuttle
*/
class SemanticScuttle_Service_Thumbnails extends SemanticScuttle_Service
{
/**
* Instantiates the configured website thumbnailer object.
*
* @return object Website thumbnailer
*/
public function getThumbnailer()
{
if (!isset($GLOBALS['thumbnailsType'])
|| $GLOBALS['thumbnailsType'] == ''
) {
$class = 'SemanticScuttle_Thumbnailer_Null';
} else {
$class = 'SemanticScuttle_Thumbnailer_'
. ucfirst($GLOBALS['thumbnailsType']);
}
if (!class_exists($class)) {
//PEAR classname to filename rule
$file = str_replace('_', '/', $class) . '.php';
include_once $file;
}
$thumbnailer = new $class();
if (!isset($GLOBALS['thumbnailsConfig'])
|| $GLOBALS['thumbnailsConfig'] == ''
) {
$thumbnailer->setConfig(null);
} else {
$thumbnailer->setConfig($GLOBALS['thumbnailsConfig']);
}
return $thumbnailer;
}
}
?>

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@ -0,0 +1,52 @@
<?php
/**
* SemanticScuttle - your social bookmark manager.
*
* PHP version 5.
*
* @category Bookmarking
* @package SemanticScuttle
* @author Christian Weiske <cweiske@cweiske.de>
* @license GPL http://www.gnu.org/licenses/gpl.html
* @link http://sourceforge.net/projects/semanticscuttle
*/
/**
* Dummy thumbnailer that never returns a thumbnail URL
*
* @category Bookmarking
* @package SemanticScuttle
* @author Christian Weiske <cweiske@cweiske.de>
* @license GPL http://www.gnu.org/licenses/gpl.html
* @link http://sourceforge.net/projects/semanticscuttle
*/
class SemanticScuttle_Thumbnailer_Null
{
/**
* Set dummy configuration
*
* @param array $config Dummy configuration
*
* @return void
*/
public function setConfig($config)
{
}
/**
* Get the URL for a website thumbnail.
* Always returns false.
*
* @param string $bookmarkUrl URL of website to create thumbnail for
* @param integer $width Screenshot width
* @param integer $height Screenshot height
*
* @return mixed FALSE when no screenshot could be obtained,
* string with the URL otherwise
*/
public function getThumbnailUrl($bookmarkUrl, $width, $height)
{
return false;
}
}
?>

View File

@ -0,0 +1,92 @@
<?php
/**
* SemanticScuttle - your social bookmark manager.
*
* PHP version 5.
*
* @category Bookmarking
* @package SemanticScuttle
* @author Christian Weiske <cweiske@cweiske.de>
* @license GPL http://www.gnu.org/licenses/gpl.html
* @link http://sourceforge.net/projects/semanticscuttle
*/
/**
* Show website thumbnails/screenshots using phancap
*
* @category Bookmarking
* @package SemanticScuttle
* @author Christian Weiske <cweiske@cweiske.de>
* @license GPL http://www.gnu.org/licenses/gpl.html
* @link http://sourceforge.net/projects/semanticscuttle
* @see http://cweiske.de/phancap.htm
*/
class SemanticScuttle_Thumbnailer_Phancap
{
/**
* Configuration array.
* Required keys:
* - url
* - token
* - secret
*/
protected $config = array();
/**
* Set phancap configuration
*
* @param array $config Phancap configuration
*
* @return void
*/
public function setConfig($config)
{
$this->config = $config;
}
/**
* Get the URL for a website thumbnail
*
* @param string $bookmarkUrl URL of website to create thumbnail for
* @param integer $width Screenshot width
* @param integer $height Screenshot height
*
* @return mixed FALSE when no screenshot could be obtained,
* string with the URL otherwise
*/
public function getThumbnailUrl($bookmarkUrl, $width, $height)
{
//default parameters for the phancap service
$parameters = array(
'url' => $bookmarkUrl,
'swidth' => $width,
'sheight' => $height,
'sformat' => 'jpg',
);
if (isset($this->config['token']) && $this->config['token'] != '') {
$parameters['atoken'] = $this->config['token'];
$parameters['atimestamp'] = time();
//create signature
ksort($parameters);
foreach ($parameters as $key => $value) {
$encparams[] = $key . '=' . rawurlencode($value);
}
$encstring = implode('&', $encparams);
$signature = hash_hmac('sha1', $encstring, $this->config['secret']);
//append signature to parameters
$parameters['asignature'] = $signature;
}
//url-encode the parameters
$urlParams = array();
foreach ($parameters as $key => $value) {
$urlParams[] = $key . '=' . urlencode($value);
}
//final URL
return $this->config['url'] . '?' . implode('&', $urlParams);
}
}
?>

View File

@ -195,7 +195,6 @@ img.thumbnail {
padding: 1px;
margin-right: 6px;
margin-bottom:4px;
cursor:pointer;
border:1px solid #AAA;
}
div.link a {