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authorChristian Weiske <cweiske@cweiske.de>2014-04-23 23:12:55 +0200
committerChristian Weiske <cweiske@cweiske.de>2014-04-23 23:12:55 +0200
commit6b3f1d4bb5c909413f31d7df5bab0e8a4084e29e (patch)
treefe1ea7bbefe3721bd3bb536da4c9c20bffca35df /src/SemanticScuttle/Thumbnailer/Phancap.php
parentaf2a061ecdfb4414ee0e8b500eccdf39a8d8cec5 (diff)
downloadsemanticscuttle-6b3f1d4bb5c909413f31d7df5bab0e8a4084e29e.tar.gz
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Add support for phancap website thumbnailer.
Drop support for artviper, since their service is gone.
Diffstat (limited to 'src/SemanticScuttle/Thumbnailer/Phancap.php')
-rw-r--r--src/SemanticScuttle/Thumbnailer/Phancap.php92
1 files changed, 92 insertions, 0 deletions
diff --git a/src/SemanticScuttle/Thumbnailer/Phancap.php b/src/SemanticScuttle/Thumbnailer/Phancap.php
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+<?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);
+ }
+}
+?>