diff --git a/application/models/embed_cache_model.php b/application/models/embed_cache_model.php
index 265f80d..7f20838 100644
--- a/application/models/embed_cache_model.php
+++ b/application/models/embed_cache_model.php
@@ -8,48 +8,55 @@
title,author,author_url,thumbnail_url,desc.,timestamp,x_meta?]
*/
-class Embed_cache_model extends CI_Model {
-
- public function __construct() {
- parent::__construct();
-
- $this->db = $this->load->database('default', TRUE);
- }
-
- public function get_embed($url) {
- $url_md5 = md5($url);
- $embed = false;
-
- $this->db->from('embed_cache');
- $this->db->where('embed_cache.url_md5', $url_md5);
- //$this->db->join('fa_user_profile', 'fa_user_profile.id = cloud.user_id');
- $query = $this->db->get();
- if ($query->num_rows() != 0 ) {
- $embed = $query->row();
- }
- return $embed;
- }
-
- public function count() {
- $this->db->from('embed_cache');
- return $this->db->count_all_results();
- }
-
- public function insert_embed($embed) {
- if (isset($embed['date'])) unset($embed['date']);
- $embed['url_md5'] = md5($embed['url']);
- if (isset($embed['extended'])) {
- $extended = serialize($embed['extended']);
- $embed['extended'] = $extended;
- }
- $providers = array(
+class Embed_cache_model extends CI_Model
+{
+
+ public function __construct()
+ {
+ parent::__construct();
+
+ $this->db = $this->load->database('default', true);
+ }
+
+ public function get_embed($url)
+ {
+ $url_md5 = md5($url);
+ $embed = false;
+
+ $this->db->from('embed_cache');
+ $this->db->where('embed_cache.url_md5', $url_md5);
+ //$this->db->join('fa_user_profile', 'fa_user_profile.id = cloud.user_id');
+ $query = $this->db->get();
+ if ($query->num_rows() != 0) {
+ $embed = $query->row();
+ }
+ return $embed;
+ }
+
+ public function count()
+ {
+ $this->db->from('embed_cache');
+ return $this->db->count_all_results();
+ }
+
+ public function insert_embed($embed)
+ {
+ if (isset($embed['date'])) {
+ unset($embed['date']);
+ }
+ $embed['url_md5'] = md5($embed['url']);
+ if (isset($embed['extended'])) {
+ $extended = serialize($embed['extended']);
+ $embed['extended'] = $extended;
+ }
+ $providers = array(
'youtube'=>1, 'cohere'=>2, 'mathtran'=>3, 'scratch'=>4, 'prezi'=>5);
- $embed['provider_ns'] = $providers[$embed['provider_name']];
- unset($embed['provider_name']);
+ $embed['provider_ns'] = $providers[$embed['provider_name']];
+ unset($embed['provider_name']);
- $this->db->insert('embed_cache', $embed);
- $cache_id = $this->db->insert_id();
+ $this->db->insert('embed_cache', $embed);
+ $cache_id = $this->db->insert_id();
- return $cache_id;
- }
+ return $cache_id;
+ }
}
diff --git a/application/models/podcast_items_abstract_model.php b/application/models/podcast_items_abstract_model.php
index 3c1ef41..8e75e26 100644
--- a/application/models/podcast_items_abstract_model.php
+++ b/application/models/podcast_items_abstract_model.php
@@ -6,19 +6,25 @@
* @author N.D.Freear, 16 March 2012.
*/
-abstract class Podcast_items_abstract_model extends CI_Model {
+abstract class Podcast_items_abstract_model extends CI_Model
+{
- protected $CI;
+ protected $CI;
- public function __construct() {
- parent::__construct();
- $this->CI =& get_instance();
- }
+ public function __construct()
+ {
+ parent::__construct();
+ $this->CI =& get_instance();
+ }
- public function get_item($basename, $shortcode=NULL, $captions=FALSE) {}
+ public function get_item($basename, $shortcode = null, $captions = false)
+ {
+ }
- protected function _error($message, $code=500, $from=null, $obj=null) {
- $this->CI->_error($message, $code, $from, $obj);
- }
+
+ protected function _error($message, $code = 500, $from = null, $obj = null)
+ {
+ $this->CI->_error($message, $code, $from, $obj);
+ }
}
diff --git a/application/models/podcast_items_feed_model.php b/application/models/podcast_items_feed_model.php
index 70b8df3..35f27ce 100644
--- a/application/models/podcast_items_feed_model.php
+++ b/application/models/podcast_items_feed_model.php
@@ -9,502 +9,539 @@
require_once 'podcast_items_abstract_model.php';
-class Podcast_items_feed_model extends Podcast_items_abstract_model {
-
- const COLLECTION_ID = '__COLLECTION_ID__';
-
-
- public function __construct() {
- parent::__construct();
-
- $this->load->library('Http');
- }
-
- /** Test OU Podcast feed configuration and shortcode, and return the feed URL.
- * @return string
- */
- protected function _feed_url($basename, $shortcode) {
- $url_pattern = $this->config->item('podcast_feed_url_pattern');
- $locate = "\$config[podcast_feed_url_pattern] in 'config/embed_config.php'";
-
- if (! $url_pattern) {
- //ERROR 503.
- $this->_error("Missing or empty $locate", 503.1);
- }
- if (FALSE !== strpos($url_pattern, 'example.org')) {
- $this->_error("Invalid host in $locate", 503.2);
- }
- if (FALSE === strpos($url_pattern, self::COLLECTION_ID)) {
- $this->_error("Missing {". self::COLLECTION_ID. "} in $locate", 503.3);
- }
- $pu = parse_url($url_pattern);
- if (!isset($pu['scheme']) || !isset($pu['host']) || !isset($pu['path'])) {
- $this->_error("Invalid URL in $locate", 503.4);
- }
-
- if (strlen($shortcode) != OUP_PODCAST_SHORTCODE_SIZE) {
- //ERROR 400..
- $this->_error('Sorry, I expect a '. OUP_PODCAST_SHORTCODE_SIZE .' character shortcode', 400.1);
- }
- if (! preg_match(OUP_PODCAST_SHORTCODE_REGEX, $shortcode)) {
- $this->_error('Sorry, unexpected characters in shortcode.', 400.2);
- }
-
-
- return str_replace(self::COLLECTION_ID, $basename, $url_pattern);
-
- /*
- $podcast_feed_file = $this->config->item('podcast_feed_file');
- if (! $podcast_feed_file) {
- //ERROR 503.
- $this->_error("(feed error) \$config[podcast_feed_file] appears to be empty in 'config/embed_config.php'", 503);
- }
- $pod_base = Oupodcast_serv::POD_BASE;
- $url = $pod_base."/feeds/$basename/". $podcast_feed_file;
- */
- }
-
-
- public function get_item($basename, $shortcode=NULL, $captions=FALSE) {
-
- $url = $this->_feed_url($basename, $shortcode);
-
- // Set a cookie (intranet-restricted content), and don't spoof. [iet-it-bugs:1463][Bug: #1]
- $result = $this->http->request($url, $spoof = FALSE /*, array('cookie' => 'pod.auth=PASSED')*/ );
- if (! $result->success) {
- //ERROR.
- $_data = $result->data;
- $result->data = $_data ? substr($_data, 0, 240) .' ... ' : $_data;
- $this->CI->_debug($result);
-
- if ($result->info['http_code'] == 404) {
- $this->_error("Podcast data collection deleted or not found.",
- 404.1, null, array('url'=>$url));
- }
- // Other errors:
- $this->_error("Podcast data unknown error.", $result->info['http_code'], null, $result);
- }
-
- $this->_xmlo = $xmlo = @simplexml_load_string($result->data);
-
- if (! $xmlo) {
- //ERROR: this can be caused by network errors, or invalid XML.
- $this->CI->_debug($url);
- $this->CI->_debug(substr($result->data, 0, 122) .' ... ');
- $this->_error("Podcast data XML error.",
- 400.3, null, array('url'=>$url));
- }
-
- foreach ($this->_xml_namespaces() as $prefix => $ns_uri) {
+class Podcast_items_feed_model extends Podcast_items_abstract_model
+{
+
+ const COLLECTION_ID = '__COLLECTION_ID__';
+
+
+ public function __construct()
+ {
+ parent::__construct();
+
+ $this->load->library('Http');
+ }
+
+ /** Test OU Podcast feed configuration and shortcode, and return the feed URL.
+ * @return string
+ */
+ protected function _feed_url($basename, $shortcode)
+ {
+ $url_pattern = $this->config->item('podcast_feed_url_pattern');
+ $locate = "\$config[podcast_feed_url_pattern] in 'config/embed_config.php'";
+
+ if (! $url_pattern) {
+ //ERROR 503.
+ $this->_error("Missing or empty $locate", 503.1);
+ }
+ if (false !== strpos($url_pattern, 'example.org')) {
+ $this->_error("Invalid host in $locate", 503.2);
+ }
+ if (false === strpos($url_pattern, self::COLLECTION_ID)) {
+ $this->_error("Missing {". self::COLLECTION_ID. "} in $locate", 503.3);
+ }
+ $pu = parse_url($url_pattern);
+ if (!isset($pu['scheme']) || !isset($pu['host']) || !isset($pu['path'])) {
+ $this->_error("Invalid URL in $locate", 503.4);
+ }
+
+ if (strlen($shortcode) != OUP_PODCAST_SHORTCODE_SIZE) {
+ //ERROR 400..
+ $this->_error('Sorry, I expect a '. OUP_PODCAST_SHORTCODE_SIZE .' character shortcode', 400.1);
+ }
+ if (! preg_match(OUP_PODCAST_SHORTCODE_REGEX, $shortcode)) {
+ $this->_error('Sorry, unexpected characters in shortcode.', 400.2);
+ }
+
+
+ return str_replace(self::COLLECTION_ID, $basename, $url_pattern);
+
+ /*
+ $podcast_feed_file = $this->config->item('podcast_feed_file');
+ if (! $podcast_feed_file) {
+ //ERROR 503.
+ $this->_error("(feed error) \$config[podcast_feed_file] appears to be empty in 'config/embed_config.php'", 503);
+ }
+ $pod_base = Oupodcast_serv::POD_BASE;
+ $url = $pod_base."/feeds/$basename/". $podcast_feed_file;
+ */
+ }
+
+
+ public function get_item($basename, $shortcode = null, $captions = false)
+ {
+
+ $url = $this->_feed_url($basename, $shortcode);
+
+ // Set a cookie (intranet-restricted content), and don't spoof. [iet-it-bugs:1463][Bug: #1]
+ $result = $this->http->request($url, $spoof = false /*, array('cookie' => 'pod.auth=PASSED')*/);
+ if (! $result->success) {
+ //ERROR.
+ $_data = $result->data;
+ $result->data = $_data ? substr($_data, 0, 240) .' ... ' : $_data;
+ $this->CI->_debug($result);
+
+ if ($result->info['http_code'] == 404) {
+ $this->_error(
+ "Podcast data collection deleted or not found.",
+ 404.1,
+ null,
+ array('url'=>$url)
+ );
+ }
+ // Other errors:
+ $this->_error("Podcast data unknown error.", $result->info['http_code'], null, $result);
+ }
+
+ $this->_xmlo = $xmlo = @simplexml_load_string($result->data);
+
+ if (! $xmlo) {
+ //ERROR: this can be caused by network errors, or invalid XML.
+ $this->CI->_debug($url);
+ $this->CI->_debug(substr($result->data, 0, 122) .' ... ');
+ $this->_error(
+ "Podcast data XML error.",
+ 400.3,
+ null,
+ array('url'=>$url)
+ );
+ }
+
+ foreach ($this->_xml_namespaces() as $prefix => $ns_uri) {
$bok = $xmlo->registerXPathNamespace($prefix, $ns_uri);
}
- $xpath_url = '//atom:link[contains(@href, "pod/'. $basename .'/#!'. $shortcode .'")]';
- $xpath_item = $xpath_url .'/..';
- $item = $xmlo->xpath($xpath_item);
-
- if (isset($item[0])) {
- $item = $item[0];
- } else {
- //ERROR.
- $this->_error("Podcast data item not found.", 404.2);
- return FALSE;
- }
-
- // Access control.
- $access = array(
- #Item-level: (bool) cast.
- 'published_flag' => $this->_xpath_val($xpath_item .'/oup:published_flag'),
- #Podcast-level
- //'intranet_only' => $this->_xpath_val('//oup:restrict_access'),
- 'intranet_only' => $this->_xpath_val('//oup:intranet_only'),
- 'private' => $this->_xpath_val('//oup:private'),
- 'deleted' => $this->_xpath_val('//oup:deleted'),
-
- /*'_published_flag' => 'yes' != $this->_xpath_val('//app:draft'),
- '_intranet_only' => count( $xmlo->xpath('//yt:state[@reasonCode="oup:intranet_only"]') ),
- '_private' => count( $xmlo->xpath('//yt:private') ),
- '_deleted' => count( $xmlo->xpath('//yt:state[@name="deleted"]') ),
- '_processing' => count( $xmlo->xpath('//yt:state[@name="processing"]') ),
- '_list_allowed' => count( $xmlo->xpath('//yt:accessControl[@action="list"][@permission="allowed"]') ),
- */
-
- '_embed_allowed' => NULL,
- );
- $access['published'] = $access['published_flag'];
-
- $vars = array(
- 'title' => (string) $xmlo->channel->title .': '. $item->title,
- 'pod_title' => (string) $xmlo->channel->title,
- 'summary' => (string) $xmlo->channel->description,
- '_copyright' => (string) $xmlo->channel->copyright,
-
- 'item_title' => (string) $item->title,
- 'item_summary' => (string) $item->description,
- 'timestamp' => strtotime((string) $item->pubDate), #?
- 'media_url' => (string) $item->enclosure->attributes()->url,
- 'media_length' => (string) $item->enclosure->attributes()->length,
- 'media_html5' => TRUE,
- 'mime_type' => (string) $item->enclosure->attributes()->type,
- 'poster_url' => $this->_xpath_val($xpath_item .'/media:thumbnail', 'url'),
-
- 'transcript_url' => $this->_xpath_val($xpath_item .'/atom:link[@type="application/pdf"]', 'href'),
- 'transcript_html_url' => $this->_xpath_val($xpath_item .'/atom:link[@type="text/html"][@rel="oup:transcript"]', 'href'),
- 'caption_url' => $this->_xpath_val($xpath_item .'/atom:link[@type="application/ttml+xml"]', 'href'), #?
-
- '_track_md5' => $shortcode,
- '_album_id' => $basename,
- 'provider_mid' => "$basename/$shortcode", #?
- 'url' => $this->_xpath_val($xpath_item .'/atom:link[@rel="oup:longlink"]', 'href'),
- '_short_url' => $this->_xpath_val($xpath_url, 'href'),
- // Iframe - see Oupodcast_serv::_post_process()
- 'iframe_url' => NULL,
-
- 'link' => $this->_xpath_val('//channel/atom:link[@rel="related"]', 'href'),
- 'link_text' => $this->_xpath_val('//channel/atom:link[@rel="related"]', 'title'),
- 'target_url' => $this->_xpath_val($xpath_item .'/atom:link[@rel="related"]', 'href'),
- 'target_text' => $this->_xpath_val($xpath_item .'/atom:link[@rel="related"]', 'title'),
-
- '_itunes_url' => $this->_xpath_val('//atom:link[@rel="oup:ituneslink"]', 'href'), #oup:rel-itunes-url
- '_youtube_url' => $this->_xpath_val($xpath_item .'/atom:content[contains(@src, "youtube.com")]', 'src'), #'), #[@type="application/x-shockwave-flash"]
- 'duration_orig' => $this->_xpath_val($xpath_item .'/itunes:duration'),
- 'duration' => 0,
- 'aspect_ratio' => $this->_xpath_val($xpath_item .'/oup:aspect_ratio'),
-
- '_access' => $access,
-
- #'_' => $item,
- );
-
- // Post process the duration, youtube URL etc.
- $duration = $vars['duration_orig'];
- if (preg_match('/\d{2}:\d{2}:\d{2}/', $duration)) {
- $vars['duration'] = strtotime("1970-01-01T".$vars['duration_orig']. "GMT");
- }
-
- $vars['media_type'] = substr($vars['mime_type'], 0, strpos($vars['mime_type'], '/'));
-
- if ($vars['_youtube_url']) {
- $vars['youtube_id'] = preg_replace(array('#^.+v\/#', '#\?.*$#'), '', $vars['_youtube_url']);
- }
-
- return (object) $vars;
- }
-
-
-
- /** Safely get an element or attribute value for SimpleXML.
- * @return string
- */
- protected function _xpath_val($expr, $attr=NULL) {
- $reso = $this->_xmlo->xpath($expr);
- if (isset($reso[0])) {
- if ($attr) {
- return (string) $reso[0]->attributes()->{$attr}[0];
- }
- return (string) $reso[0];
- }
- return FALSE;
- }
-
- /** Return all of the XML namespaces, and prefixes used in OU podcast RSS.
- * @return array
- */
- protected function _xml_namespaces() {
- $NAMESPACES = array(
- # http://validator.w3.org/feed/docs/howto/declare_namespaces.html
- # http://w3.org/TR/html5/namespaces.html
- /*'fn' => 'http://www.w3.org/2005/xpath-functions',
- 'xmlns' => 'http://www.w3.org/2000/xmlns/',
- 'xml' => 'http://www.w3.org/XML/1998/namespace',
- 'html' => 'http://www.w3.org/1999/xhtml',
- 'rss2' => 'http://backend.userland.com/rss2',*/
-
- 'atom' => 'http://www.w3.org/2005/Atom',
- 'app' => 'http://www.w3.org/2007/app',
-
- 'itunes' => 'http://www.itunes.com/dtds/podcast-1.0.dtd',
- 'itunesu' => 'http://www.itunesu.com/feed',
- 'media' => 'http://search.yahoo.com/mrss/',
-
- 'gd' => 'http://schemas.google.com/g/2005',
- 'yt' => 'http://gdata.youtube.com/schemas/2007',
- 'openSearch' => 'http://a9.com/-/spec/opensearch/1.1/',
-
- 's' => 'http://purl.org/steeple',
- 'oup' => 'http://podcast.open.ac.uk/2012',
- 'oupod_' => 'http://purl.org/net/oupod/',
- );
- return $NAMESPACES;
- }
-
-
- // function to check to see if the file exists at the destination url
- function url_exists($url){
- $url = str_replace("http://", "", $url);
- if (strstr($url, "/")) {
- $url = explode("/", $url, 2);
- $url[1] = "/".$url[1];
- } else {
- $url = array($url, "/");
- }
-
- $fh = fsockopen($url[0], 80);
- if ($fh) {
- fputs($fh,"GET ".$url[1]." HTTP/1.1\nHost:".$url[0]."\n\n");
- if (fread($fh, 22) == "HTTP/1.1 404 Not Found") { return FALSE; }
- else { return TRUE; }
-
- } else { return FALSE;}
- }
-
- /**
- * xml2array
- * lz_speedy at web dot de 30-Dec-2008 10:20
- * http://www.php.net/manual/en/function.xml-parse.php#87920
- */
- function xml2array($contents, $get_attributes=1, $priority = 'tag') {
- if(!$contents) return array();
-
- if(!function_exists('xml_parser_create')) {
- //print "'xml_parser_create()' function not found!";
- return array();
- }
-
- //Get the XML parser of PHP - PHP must have this module for the parser to work
- $parser = xml_parser_create('');
- xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, "UTF-8"); # http://minutillo.com/steve/weblog/2004/6/17/php-xml-and-character-encodings-a-tale-of-sadness-rage-and-data-loss
- xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
- xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1);
- xml_parse_into_struct($parser, trim($contents), $xml_values);
- xml_parser_free($parser);
-
- if(!$xml_values) return;//Hmm...
-
- //Initializations
- $xml_array = array();
- $parents = array();
- $opened_tags = array();
- $arr = array();
-
- $current = &$xml_array; //Refference
-
- //Go through the tags.
- $repeated_tag_index = array();//Multiple tags with same name will be turned into an array
- foreach($xml_values as $data) {
- unset($attributes,$value);//Remove existing values, or there will be trouble
-
- //This command will extract these variables into the foreach scope
- // tag(string), type(string), level(int), attributes(array).
- extract($data);//We could use the array by itself, but this cooler.
-
- $result = array();
- $attributes_data = array();
-
- if(isset($value)) {
- if($priority == 'tag') $result = $value;
- else $result['value'] = $value; //Put the value in a assoc array if we are in the 'Attribute' mode
- }
-
- //Set the attributes too.
- if(isset($attributes) and $get_attributes) {
- foreach($attributes as $attr => $val) {
- if($priority == 'tag') $attributes_data[$attr] = $val;
- else $result['attr'][$attr] = $val; //Set all the attributes in a array called 'attr'
- }
- }
-
- //See tag status and do the needed.
- if($type == "open") {//The starting of the tag ''
- $parent[$level-1] = &$current;
- if(!is_array($current) or (!in_array($tag, array_keys($current)))) { //Insert New tag
- $current[$tag] = $result;
- if($attributes_data) $current[$tag. '_attr'] = $attributes_data;
- $repeated_tag_index[$tag.'_'.$level] = 1;
-
- $current = &$current[$tag];
-
- } else { //There was another element with the same tag name
-
- if(isset($current[$tag][0])) {//If there is a 0th element it is already an array
- $current[$tag][$repeated_tag_index[$tag.'_'.$level]] = $result;
- $repeated_tag_index[$tag.'_'.$level]++;
- } else {//This section will make the value an array if multiple tags with the same name appear together
- $current[$tag] = array($current[$tag],$result);//This will combine the existing item and the new item together to make an array
- $repeated_tag_index[$tag.'_'.$level] = 2;
-
- if(isset($current[$tag.'_attr'])) { //The attribute of the last(0th) tag must be moved as well
- $current[$tag]['0_attr'] = $current[$tag.'_attr'];
- unset($current[$tag.'_attr']);
- }
-
- }
- $last_item_index = $repeated_tag_index[$tag.'_'.$level]-1;
- $current = &$current[$tag][$last_item_index];
- }
-
- } elseif($type == "complete") { //Tags that ends in 1 line ''
- //See if the key is already taken.
- if(!isset($current[$tag])) { //New Key
- $current[$tag] = $result;
- $repeated_tag_index[$tag.'_'.$level] = 1;
- if($priority == 'tag' and $attributes_data) $current[$tag. '_attr'] = $attributes_data;
-
- } else { //If taken, put all things inside a list(array)
- if(isset($current[$tag][0]) and is_array($current[$tag])) {//If it is already an array...
-
- // ...push the new element into that array.
- $current[$tag][$repeated_tag_index[$tag.'_'.$level]] = $result;
-
- if($priority == 'tag' and $get_attributes and $attributes_data) {
- $current[$tag][$repeated_tag_index[$tag.'_'.$level] . '_attr'] = $attributes_data;
- }
- $repeated_tag_index[$tag.'_'.$level]++;
-
- } else { //If it is not an array...
- $current[$tag] = array($current[$tag],$result); //...Make it an array using using the existing value and the new value
- $repeated_tag_index[$tag.'_'.$level] = 1;
- if($priority == 'tag' and $get_attributes) {
- if(isset($current[$tag.'_attr'])) { //The attribute of the last(0th) tag must be moved as well
-
- $current[$tag]['0_attr'] = $current[$tag.'_attr'];
- unset($current[$tag.'_attr']);
- }
-
- if($attributes_data) {
- $current[$tag][$repeated_tag_index[$tag.'_'.$level] . '_attr'] = $attributes_data;
- }
- }
- $repeated_tag_index[$tag.'_'.$level]++; //0 and 1 index is already taken
- }
- }
-
- } elseif($type == 'close') { //End of tag ''
- $current = &$parent[$level-1];
- }
- }
-
- return($xml_array);
- }
-
- /**
- * @author Jamie Daniels.
- */
- public function get_item_v1($basename, $shortcode=NULL, $captions=FALSE) {
-
- $pod_base = Oupodcast_serv::POD_BASE;
- $file=$pod_base."/feeds/$basename/".config_item('podcast_feed_file');
-
- // Confirm RSS file containing player data exists
- if(file($file)){
- $rawrssdata = $this->xml2array(file_get_contents($file));
- }
- else{
- echo "This media item is currently unavailable. It will appear here once it has been transcoded.
";
- die();
- }
- // Confirm the RSS file has item elements
- try{
- if(array_key_exists('item', $rawrssdata['rss']['channel'])){
- // require_once('dBug.php');
- // Loop round items looking for the one that matches the shortcode
-
- // count how many items there are
- if (!isset($rawrssdata['rss']['channel']['item'][0])){
- $rssdata[0]=$rawrssdata['rss']['channel']['item'];
- }
- else{
- $rssdata = $rawrssdata['rss']['channel']['item'];
- }
-
- foreach($rssdata as $rssitem){
-
- // BH 20111102 - added test to check $rssitem['atom:link_attr']['href'] exists before trying to explode it
- if (isset($rssitem['atom:link_attr']['href'])) {
-
- $explodedshortcodeurl=explode('#', $rssitem['atom:link_attr']['href']);
- // If the shortcode is found populate variables with the data from that item.
- if($explodedshortcodeurl[1]==$shortcode){
- $rssshortcode=$explodedshortcodeurl[1];
- $rsstitle=$rssitem['title'];
- $rssdesc=$rssitem['description'];
- $rssduration=$rssitem['itunes:duration'];
- $rsspubdate=$rssitem['pubDate'];
-
- $rssmediafilename=explode('/', $rssitem['guid']);
- $rssmediafilename=end($rssmediafilename);
- if(!$this->url_exists($pod_base."/feeds/$basename/$rssmediafilename")){
- echo "Sorry this video is currently unavailable.
";
- die();
- }
-
- $rssitemimage=explode('/', $rssitem['media:thumbnail_attr']['url']);
- $rssitemimage=end($rssitemimage); // poster image
- if(!$this->url_exists($pod_base."/feeds/$basename/$rssitemimage")){
- // Media Thumbnail doesn't seem to exist so fall back to use the podcast thumb, if that exists
- $rsspodcastimage=end(explode('/', $rawrssdata['rss']['channel']['image']['url']));
-
- if($this->url_exists($pod_base."/feeds/$basename/".$rsspodcastimage)){
- // we found a podcast level thumkbnail so use that oiver the default.
- $rssitemimage=$rsspodcastimage;
- }
- else{
- // There is no podcast thumbnail either so we have to use the default thumb image.
- $rssitemimage="../default-project-thumbnail.png";
- }
-
- }
- }
- }
- }
-
-
-
- }
-
- }
- catch(Exception $e){
- echo 'ERROR: ' . $e->getMessage();
- echo "Sorry this video is currently unavailable.
";
- die();
- }
-
-
-
- // The data to returm. Some of it hardcoded as its not present in the RSS.
- $result = (object) array(
- 'pod_title'=>$rsstitle,
- 'pod_summary'=> $rssdesc,
- 'podcast_id'=> '',
- 'duration'=> $rssduration,
- 'custom_id' => $basename,
- 'shortcode' => $rssshortcode,
- 'filename' => $rssmediafilename,
- 'image' => $rssitemimage, //image filename as is
- 'image_filename' => '', // image filename that it will add .jpg to
- 'private' => 'N',
- 'intranet_only' => 'N',
- 'published' => 'Y',
- 'deleted' => 'N',
- 'preferred_url' => '',
- 'target_url_text' => '',
- 'target_url' => '',
- 'itunes_u_url' => '',
- 'aspect_ratio' => '',
- 'keywords' => '',
- 'title' => $rsstitle,
- 'publication_date' => $rsspubdate,
- 'copyright' => '',
- 'source_media' => '',
- 'published_flag' => '',
- 'pim_type' => 'desktop-all'
- );
-
- if ($result) {
- return $result;
- }
- return FALSE;
- }
+ $xpath_url = '//atom:link[contains(@href, "pod/'. $basename .'/#!'. $shortcode .'")]';
+ $xpath_item = $xpath_url .'/..';
+ $item = $xmlo->xpath($xpath_item);
+
+ if (isset($item[0])) {
+ $item = $item[0];
+ } else {
+ //ERROR.
+ $this->_error("Podcast data item not found.", 404.2);
+ return false;
+ }
+
+ // Access control.
+ $access = array(
+ #Item-level: (bool) cast.
+ 'published_flag' => $this->_xpath_val($xpath_item .'/oup:published_flag'),
+ #Podcast-level
+ //'intranet_only' => $this->_xpath_val('//oup:restrict_access'),
+ 'intranet_only' => $this->_xpath_val('//oup:intranet_only'),
+ 'private' => $this->_xpath_val('//oup:private'),
+ 'deleted' => $this->_xpath_val('//oup:deleted'),
+
+ /*'_published_flag' => 'yes' != $this->_xpath_val('//app:draft'),
+ '_intranet_only' => count( $xmlo->xpath('//yt:state[@reasonCode="oup:intranet_only"]') ),
+ '_private' => count( $xmlo->xpath('//yt:private') ),
+ '_deleted' => count( $xmlo->xpath('//yt:state[@name="deleted"]') ),
+ '_processing' => count( $xmlo->xpath('//yt:state[@name="processing"]') ),
+ '_list_allowed' => count( $xmlo->xpath('//yt:accessControl[@action="list"][@permission="allowed"]') ),
+ */
+
+ '_embed_allowed' => null,
+ );
+ $access['published'] = $access['published_flag'];
+
+ $vars = array(
+ 'title' => (string) $xmlo->channel->title .': '. $item->title,
+ 'pod_title' => (string) $xmlo->channel->title,
+ 'summary' => (string) $xmlo->channel->description,
+ '_copyright' => (string) $xmlo->channel->copyright,
+
+ 'item_title' => (string) $item->title,
+ 'item_summary' => (string) $item->description,
+ 'timestamp' => strtotime((string) $item->pubDate), #?
+ 'media_url' => (string) $item->enclosure->attributes()->url,
+ 'media_length' => (string) $item->enclosure->attributes()->length,
+ 'media_html5' => true,
+ 'mime_type' => (string) $item->enclosure->attributes()->type,
+ 'poster_url' => $this->_xpath_val($xpath_item .'/media:thumbnail', 'url'),
+
+ 'transcript_url' => $this->_xpath_val($xpath_item .'/atom:link[@type="application/pdf"]', 'href'),
+ 'transcript_html_url' => $this->_xpath_val($xpath_item .'/atom:link[@type="text/html"][@rel="oup:transcript"]', 'href'),
+ 'caption_url' => $this->_xpath_val($xpath_item .'/atom:link[@type="application/ttml+xml"]', 'href'), #?
+
+ '_track_md5' => $shortcode,
+ '_album_id' => $basename,
+ 'provider_mid' => "$basename/$shortcode", #?
+ 'url' => $this->_xpath_val($xpath_item .'/atom:link[@rel="oup:longlink"]', 'href'),
+ '_short_url' => $this->_xpath_val($xpath_url, 'href'),
+ // Iframe - see Oupodcast_serv::_post_process()
+ 'iframe_url' => null,
+
+ 'link' => $this->_xpath_val('//channel/atom:link[@rel="related"]', 'href'),
+ 'link_text' => $this->_xpath_val('//channel/atom:link[@rel="related"]', 'title'),
+ 'target_url' => $this->_xpath_val($xpath_item .'/atom:link[@rel="related"]', 'href'),
+ 'target_text' => $this->_xpath_val($xpath_item .'/atom:link[@rel="related"]', 'title'),
+
+ '_itunes_url' => $this->_xpath_val('//atom:link[@rel="oup:ituneslink"]', 'href'), #oup:rel-itunes-url
+ '_youtube_url' => $this->_xpath_val($xpath_item .'/atom:content[contains(@src, "youtube.com")]', 'src'), #'), #[@type="application/x-shockwave-flash"]
+ 'duration_orig' => $this->_xpath_val($xpath_item .'/itunes:duration'),
+ 'duration' => 0,
+ 'aspect_ratio' => $this->_xpath_val($xpath_item .'/oup:aspect_ratio'),
+
+ '_access' => $access,
+
+ #'_' => $item,
+ );
+
+ // Post process the duration, youtube URL etc.
+ $duration = $vars['duration_orig'];
+ if (preg_match('/\d{2}:\d{2}:\d{2}/', $duration)) {
+ $vars['duration'] = strtotime("1970-01-01T".$vars['duration_orig']. "GMT");
+ }
+ $vars['media_type'] = substr($vars['mime_type'], 0, strpos($vars['mime_type'], '/'));
+ if ($vars['_youtube_url']) {
+ $vars['youtube_id'] = preg_replace(array('#^.+v\/#', '#\?.*$#'), '', $vars['_youtube_url']);
+ }
+
+ return (object) $vars;
+ }
+
+
+
+ /** Safely get an element or attribute value for SimpleXML.
+ * @return string
+ */
+ protected function _xpath_val($expr, $attr = null)
+ {
+ $reso = $this->_xmlo->xpath($expr);
+ if (isset($reso[0])) {
+ if ($attr) {
+ return (string) $reso[0]->attributes()->{$attr}[0];
+ }
+ return (string) $reso[0];
+ }
+ return false;
+ }
+
+ /** Return all of the XML namespaces, and prefixes used in OU podcast RSS.
+ * @return array
+ */
+ protected function _xml_namespaces()
+ {
+ $NAMESPACES = array(
+ # http://validator.w3.org/feed/docs/howto/declare_namespaces.html
+ # http://w3.org/TR/html5/namespaces.html
+ /*'fn' => 'http://www.w3.org/2005/xpath-functions',
+ 'xmlns' => 'http://www.w3.org/2000/xmlns/',
+ 'xml' => 'http://www.w3.org/XML/1998/namespace',
+ 'html' => 'http://www.w3.org/1999/xhtml',
+ 'rss2' => 'http://backend.userland.com/rss2',*/
+
+ 'atom' => 'http://www.w3.org/2005/Atom',
+ 'app' => 'http://www.w3.org/2007/app',
+
+ 'itunes' => 'http://www.itunes.com/dtds/podcast-1.0.dtd',
+ 'itunesu' => 'http://www.itunesu.com/feed',
+ 'media' => 'http://search.yahoo.com/mrss/',
+
+ 'gd' => 'http://schemas.google.com/g/2005',
+ 'yt' => 'http://gdata.youtube.com/schemas/2007',
+ 'openSearch' => 'http://a9.com/-/spec/opensearch/1.1/',
+
+ 's' => 'http://purl.org/steeple',
+ 'oup' => 'http://podcast.open.ac.uk/2012',
+ 'oupod_' => 'http://purl.org/net/oupod/',
+ );
+ return $NAMESPACES;
+ }
+
+
+ // function to check to see if the file exists at the destination url
+ protected function url_exists($url)
+ {
+ $url = str_replace("http://", "", $url);
+ if (strstr($url, "/")) {
+ $url = explode("/", $url, 2);
+ $url[1] = "/".$url[1];
+ } else {
+ $url = array($url, "/");
+ }
+
+ $fh = fsockopen($url[0], 80);
+ if ($fh) {
+ fputs($fh, "GET ".$url[1]." HTTP/1.1\nHost:".$url[0]."\n\n");
+ if (fread($fh, 22) == "HTTP/1.1 404 Not Found") {
+ return false;
+ } else {
+ return true;
+ }
+
+ } else {
+ return false;
+ }
+ }
+
+ /**
+ * xml2array
+ * lz_speedy at web dot de 30-Dec-2008 10:20
+ * http://www.php.net/manual/en/function.xml-parse.php#87920
+ */
+ protected function xml2array($contents, $get_attributes = 1, $priority = 'tag')
+ {
+ if (!$contents) {
+ return array();
+ }
+
+ if (!function_exists('xml_parser_create')) {
+ //print "'xml_parser_create()' function not found!";
+ return array();
+ }
+
+ //Get the XML parser of PHP - PHP must have this module for the parser to work
+ $parser = xml_parser_create('');
+ xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, "UTF-8"); # http://minutillo.com/steve/weblog/2004/6/17/php-xml-and-character-encodings-a-tale-of-sadness-rage-and-data-loss
+ xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
+ xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1);
+ xml_parse_into_struct($parser, trim($contents), $xml_values);
+ xml_parser_free($parser);
+
+ if (!$xml_values) {
+ return;//Hmm...
+ }
+ // Initializations
+ $xml_array = array();
+ $parents = array();
+ $opened_tags = array();
+ $arr = array();
+
+ $current = &$xml_array; //Refference
+
+ // Go through the tags.
+ $repeated_tag_index = array();//Multiple tags with same name will be turned into an array
+ foreach ($xml_values as $data) {
+ unset($attributes,$value);//Remove existing values, or there will be trouble
+
+ // This command will extract these variables into the foreach scope
+ // tag(string), type(string), level(int), attributes(array).
+ extract($data);//We could use the array by itself, but this cooler.
+
+ $result = array();
+ $attributes_data = array();
+
+ if (isset($value)) {
+ if ($priority == 'tag') {
+ $result = $value;
+ } else {
+ $result['value'] = $value; //Put the value in a assoc array if we are in the 'Attribute' mode
+ }
+ }
+
+ // Set the attributes too.
+ if (isset($attributes) and $get_attributes) {
+ foreach ($attributes as $attr => $val) {
+ if ($priority == 'tag') {
+ $attributes_data[$attr] = $val;
+ } else {
+ $result['attr'][$attr] = $val; //Set all the attributes in a array called 'attr'
+ }
+ }
+ }
+
+ // See tag status and do the needed.
+ if ($type == "open") {
+ // The starting of the tag ''
+ $parent[$level-1] = &$current;
+ if (!is_array($current) or (!in_array($tag, array_keys($current)))) {
+ // Insert New tag
+ $current[$tag] = $result;
+ if ($attributes_data) {
+ $current[$tag. '_attr'] = $attributes_data;
+ }
+ $repeated_tag_index[$tag.'_'.$level] = 1;
+
+ $current = &$current[$tag];
+
+ } else {
+ // There was another element with the same tag name
+
+ if (isset($current[$tag][0])) {
+ //If there is a 0th element it is already an array
+ $current[$tag][$repeated_tag_index[$tag.'_'.$level]] = $result;
+ $repeated_tag_index[$tag.'_'.$level]++;
+ } else {
+ //This section will make the value an array if multiple tags with the same name appear together
+ $current[$tag] = array($current[$tag],$result);//This will combine the existing item and the new item together to make an array
+ $repeated_tag_index[$tag.'_'.$level] = 2;
+
+ if (isset($current[$tag.'_attr'])) {
+ //The attribute of the last(0th) tag must be moved as well
+ $current[$tag]['0_attr'] = $current[$tag.'_attr'];
+ unset($current[$tag.'_attr']);
+ }
+
+ }
+ $last_item_index = $repeated_tag_index[$tag.'_'.$level]-1;
+ $current = &$current[$tag][$last_item_index];
+ }
+
+ } elseif ($type == "complete") {
+ // Tags that ends in 1 line ''
+ // See if the key is already taken.
+ if (!isset($current[$tag])) {
+ // New Key
+ $current[$tag] = $result;
+ $repeated_tag_index[$tag.'_'.$level] = 1;
+ if ($priority == 'tag' and $attributes_data) {
+ $current[$tag. '_attr'] = $attributes_data;
+ }
+
+ } else {
+ // If taken, put all things inside a list(array)
+ if (isset($current[$tag][0]) and is_array($current[$tag])) {
+ // If it is already an array...
+
+ // ...push the new element into that array.
+ $current[$tag][$repeated_tag_index[$tag.'_'.$level]] = $result;
+
+ if ($priority == 'tag' and $get_attributes and $attributes_data) {
+ $current[$tag][$repeated_tag_index[$tag.'_'.$level] . '_attr'] = $attributes_data;
+ }
+ $repeated_tag_index[$tag.'_'.$level]++;
+
+ } else {
+ // If it is not an array...
+ $current[$tag] = array($current[$tag],$result); //...Make it an array using using the existing value and the new value
+ $repeated_tag_index[$tag.'_'.$level] = 1;
+ if ($priority == 'tag' and $get_attributes) {
+ if (isset($current[$tag.'_attr'])) {
+ //The attribute of the last(0th) tag must be moved as well
+
+ $current[$tag]['0_attr'] = $current[$tag.'_attr'];
+ unset($current[$tag.'_attr']);
+ }
+
+ if ($attributes_data) {
+ $current[$tag][$repeated_tag_index[$tag.'_'.$level] . '_attr'] = $attributes_data;
+ }
+ }
+ $repeated_tag_index[$tag.'_'.$level]++; //0 and 1 index is already taken
+ }
+ }
+
+ } elseif ($type == 'close') {
+ // End of tag ''
+ $current = &$parent[$level-1];
+ }
+ }
+
+ return ($xml_array);
+ }
+
+ /**
+ * @author Jamie Daniels.
+ */
+ public function get_item_v1($basename, $shortcode = null, $captions = false)
+ {
+
+ $pod_base = Oupodcast_serv::POD_BASE;
+ $file=$pod_base."/feeds/$basename/".config_item('podcast_feed_file');
+
+ // Confirm RSS file containing player data exists
+ if (file($file)) {
+ $rawrssdata = $this->xml2array(file_get_contents($file));
+ } else {
+ echo "This media item is currently unavailable. It will appear here once it has been transcoded.
";
+ die();
+ }
+ // Confirm the RSS file has item elements
+ try {
+ if (array_key_exists('item', $rawrssdata['rss']['channel'])) {
+ // require_once('dBug.php');
+ // Loop round items looking for the one that matches the shortcode
+
+ // count how many items there are
+ if (!isset($rawrssdata['rss']['channel']['item'][0])) {
+ $rssdata[0]=$rawrssdata['rss']['channel']['item'];
+ } else {
+ $rssdata = $rawrssdata['rss']['channel']['item'];
+ }
+
+ foreach ($rssdata as $rssitem) {
+ // BH 20111102 - added test to check $rssitem['atom:link_attr']['href'] exists before trying to explode it
+ if (isset($rssitem['atom:link_attr']['href'])) {
+ $explodedshortcodeurl=explode('#', $rssitem['atom:link_attr']['href']);
+ // If the shortcode is found populate variables with the data from that item.
+ if ($explodedshortcodeurl[1]==$shortcode) {
+ $rssshortcode=$explodedshortcodeurl[1];
+ $rsstitle=$rssitem['title'];
+ $rssdesc=$rssitem['description'];
+ $rssduration=$rssitem['itunes:duration'];
+ $rsspubdate=$rssitem['pubDate'];
+
+ $rssmediafilename=explode('/', $rssitem['guid']);
+ $rssmediafilename=end($rssmediafilename);
+ if (!$this->url_exists($pod_base."/feeds/$basename/$rssmediafilename")) {
+ echo "Sorry this video is currently unavailable.
";
+ die();
+ }
+
+ $rssitemimage=explode('/', $rssitem['media:thumbnail_attr']['url']);
+ $rssitemimage=end($rssitemimage); // poster image
+ if (!$this->url_exists($pod_base."/feeds/$basename/$rssitemimage")) {
+ // Media Thumbnail doesn't seem to exist so fall back to use the podcast thumb, if that exists
+ $rsspodcastimage=end(explode('/', $rawrssdata['rss']['channel']['image']['url']));
+
+ if ($this->url_exists($pod_base."/feeds/$basename/".$rsspodcastimage)) {
+ // we found a podcast level thumkbnail so use that oiver the default.
+ $rssitemimage=$rsspodcastimage;
+ } else {
+ // There is no podcast thumbnail either so we have to use the default thumb image.
+ $rssitemimage="../default-project-thumbnail.png";
+ }
+
+ }
+ }
+ }
+ }
+
+ }
+
+ } catch (Exception $e) {
+ echo 'ERROR: ' . $e->getMessage();
+ echo "Sorry this video is currently unavailable.
";
+ die();
+ }
+
+
+ // The data to return. Some of it hardcoded as its not present in the RSS.
+ $result = (object) array(
+ 'pod_title'=>$rsstitle,
+ 'pod_summary'=> $rssdesc,
+ 'podcast_id'=> '',
+ 'duration'=> $rssduration,
+ 'custom_id' => $basename,
+ 'shortcode' => $rssshortcode,
+ 'filename' => $rssmediafilename,
+ 'image' => $rssitemimage, //image filename as is
+ 'image_filename' => '', // image filename that it will add .jpg to
+ 'private' => 'N',
+ 'intranet_only' => 'N',
+ 'published' => 'Y',
+ 'deleted' => 'N',
+ 'preferred_url' => '',
+ 'target_url_text' => '',
+ 'target_url' => '',
+ 'itunes_u_url' => '',
+ 'aspect_ratio' => '',
+ 'keywords' => '',
+ 'title' => $rsstitle,
+ 'publication_date' => $rsspubdate,
+ 'copyright' => '',
+ 'source_media' => '',
+ 'published_flag' => '',
+ 'pim_type' => 'desktop-all'
+ );
+
+ if ($result) {
+ return $result;
+ }
+ return false;
+ }
}
diff --git a/application/models/podcast_items_model.php b/application/models/podcast_items_model.php
index 7de9373..285a4e4 100644
--- a/application/models/podcast_items_model.php
+++ b/application/models/podcast_items_model.php
@@ -7,17 +7,20 @@
require_once 'podcast_items_abstract_model.php';
-class Podcast_items_model extends Podcast_items_abstract_model {
+class Podcast_items_model extends Podcast_items_abstract_model
+{
protected $db_pod;
- public function __construct() {
+ public function __construct()
+ {
parent::__construct();
- $this->db_pod = $this->load->database('podcast', TRUE);
+ $this->db_pod = $this->load->database('podcast', true);
}
- public function get_item($basename, $shortcode=NULL, $captions=FALSE) {
+ public function get_item($basename, $shortcode = null, $captions = false)
+ {
/* SELECT * FROM podcast_items
JOIN podcasts ON podcasts.id=podcast_items.podcast_id
@@ -33,7 +36,7 @@ public function get_item($basename, $shortcode=NULL, $captions=FALSE) {
SQL;
// This doesn't work!
$where_podcast_items = 'podcast_items.shortcode';
- if (FALSE !== strpos($shortcode, '.')) {
+ if (false !== strpos($shortcode, '.')) {
$where_podcast_items = 'podcast_items.filename';
}
$sql_cc =<<db_pod->order_by('pim_type', 'desc');
}
$this->db_pod->where('podcasts.custom_id', $basename); #'l314-spanish');
- if (FALSE !== strpos($shortcode, '.')) { #(FALSE !== strpos($basename, '.m') && !$shortcode) {
+ if (false !== strpos($shortcode, '.')) {
+#(FALSE !== strpos($basename, '.m') && !$shortcode) {
$this->db_pod->where('podcast_items.filename', $shortcode); #'l314audio1.mp3');
} else {
$this->db_pod->where('podcast_items.shortcode', $shortcode);#'fe481a4d1d');
@@ -85,14 +89,14 @@ public function get_item($basename, $shortcode=NULL, $captions=FALSE) {
}
}
if ($result) {
- return $result[0];
+ return $result[0];
}
- return FALSE;
+ return false;
}
- public function count() {
+ public function count()
+ {
$this->db_pod->from('podcast_items');
- return $this->db_pod->count_all_results();
+ return $this->db_pod->count_all_results();
}
-
}