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Diffstat (limited to 'src/SemanticScuttle/Thumbnailer/Phancap.php')
-rw-r--r-- | src/SemanticScuttle/Thumbnailer/Phancap.php | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/src/SemanticScuttle/Thumbnailer/Phancap.php b/src/SemanticScuttle/Thumbnailer/Phancap.php new file mode 100644 index 0000000..1b76849 --- /dev/null +++ b/src/SemanticScuttle/Thumbnailer/Phancap.php @@ -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); + } +} +?> |