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-rw-r--r--src/SemanticScuttle/Service.php2
-rw-r--r--src/SemanticScuttle/Service/Thumbnails.php59
-rw-r--r--src/SemanticScuttle/Thumbnailer/Null.php52
-rw-r--r--src/SemanticScuttle/Thumbnailer/Phancap.php92
4 files changed, 204 insertions, 1 deletions
diff --git a/src/SemanticScuttle/Service.php b/src/SemanticScuttle/Service.php
index 1afb353..cd79f2c 100644
--- a/src/SemanticScuttle/Service.php
+++ b/src/SemanticScuttle/Service.php
@@ -51,7 +51,7 @@ class SemanticScuttle_Service
{
static $instance;
if (!isset($instance)) {
- $instance = new self($db);
+ $instance = new static($db);
}
return $instance;
}
diff --git a/src/SemanticScuttle/Service/Thumbnails.php b/src/SemanticScuttle/Service/Thumbnails.php
new file mode 100644
index 0000000..6151254
--- /dev/null
+++ b/src/SemanticScuttle/Service/Thumbnails.php
@@ -0,0 +1,59 @@
+<?php
+/**
+ * SemanticScuttle - your social bookmark manager.
+ *
+ * PHP version 5.
+ *
+ * @category Bookmarking
+ * @package SemanticScuttle
+ * @author Christian Weiske <cweiske@cweiske.de>
+ * @license GPL http://www.gnu.org/licenses/gpl.html
+ * @link http://sourceforge.net/projects/semanticscuttle
+ */
+
+/**
+ * Instantiates the configured website thumbnailer object.
+ *
+ * @category Bookmarking
+ * @package SemanticScuttle
+ * @author Christian Weiske <cweiske@cweiske.de>
+ * @license GPL http://www.gnu.org/licenses/gpl.html
+ * @link http://sourceforge.net/projects/semanticscuttle
+ */
+class SemanticScuttle_Service_Thumbnails extends SemanticScuttle_Service
+{
+ /**
+ * Instantiates the configured website thumbnailer object.
+ *
+ * @return object Website thumbnailer
+ */
+ public function getThumbnailer()
+ {
+ if (!isset($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;
+ }
+}
+?>
diff --git a/src/SemanticScuttle/Thumbnailer/Null.php b/src/SemanticScuttle/Thumbnailer/Null.php
new file mode 100644
index 0000000..ec12135
--- /dev/null
+++ b/src/SemanticScuttle/Thumbnailer/Null.php
@@ -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;
+ }
+}
+?>
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);
+ }
+}
+?>