<?php
-/* $Id$ */
-
-//
-// +----------------------------------------------------------------------+
-// | rss Parser |
-// | Copyright (c) 2001 Stefan Saasen |
-// +----------------------------------------------------------------------+
-// | The contents of this file are subject to the Mozilla Public License |
-// | Version 1.1 (the "License"); you may not use this file except in |
-// | compliance with the License. You may obtain a copy of the License at |
-// | http://www.mozilla.org/MPL/ |
-// | |
-// | Software distributed under the License is distributed on an "AS IS" |
-// | basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See |
-// | the License for the specific language governing rights and |
-// | limitations under the License. |
-// +----------------------------------------------------------------------+
-// | |
-// | Maintainer and initial developer: |
-// | Stefan Saasen <s@fase4.com> |
-// | |
-// | Proxy and authentication methods added by: |
-// | Marco Kraus <marco.kraus@siemens.com> |
-// | |
-// | Decoding of data by htmlentities or utf8_decode added by: |
-// | Roland Haeder <webmaster@mxchange.org> |
-// | |
-// +----------------------------------------------------------------------+
-// | Ref: |
-// | @link http://www.fase4.com/rdf/ Latest release |
-// +----------------------------------------------------------------------+
-
-/**
- * Class RSS Parser
- *
- * This class offers methods to parse RSS Files
- *
- * @link http://www.fase4.com/rdf/ Latest release of this class
- * @package rss
- * @copyright Copyright (c) 2001 fase4.com. All rights reserved.
- * @author Stefan Saasen <s@fase4.com>
- * @author Roland Haeder <webmaster@mxchange.org>
- * @version 1.7 ($Date$Revision: 856 $
- * @access public
- */
-
-class fase4_rdf {
-
- /**
- * Word-wrapping mode for description, set it to 0 do disable this feature! Ommits _use_nl2br!
- *
- * @access private
- * @var integer
- */
- var $_word_wrap = 0;
-
- /**
- * Wether to recode \n -> <br /> or not in description
- *
- * @access private
- * @var boolean
- */
- var $_use_nl2br = true;
-
- /**
- * Sets the decoding mode of the read data (UTF8 scrambles some german umlauts here!)
- *
- * "htmlentities" - Use the function htmlentities()
- * "utf8_decode" - Use the function ut8_decode() when you have UTF8 encoded text
- *
- * @access private
- * @var string
- */
- var $_decoding_mode = "utf8_decode";
-
- /**
- * If $_link_target is set a target='xxx' attribute in each <a /> and <form /> html tag will be added
- *
- * Possible values are "_blank", "_content", "_parent", "_self", "_top"
- *
- * @access private
- * @var string
- */
- var $_link_target = "_blank";
-
- /**
- * vars for proxy settings - Prox Host
- *
- * @access private
- * @var string
- */
- var $_phost = "";
-
- /**
- * vars for proxy settings - Prox Port
- *
- * @access private
- * @var string
- */
- var $_pport = "";
-
- /**
- * vars for proxy settings - Prox Username
- *
- * @access private
- * @var string
- */
- var $_pname = "";
-
- /**
- * vars for proxy settings - Prox Password
- *
- * @access private
- * @var string
- */
- var $_ppasswd = "";
-
- /**
- * just a flag for checking if proxy-support should be enabled
- * set default to false (will be enabled if set_proxy is called)
- *
- * @access private
- * @see set_proxy()
- * @var bool
- */
- var $_use_proxy = false;
-
- /**
- * just a flag for checking if proxy-support with authentication
- * should be enabled
- * set default to false (will be enabled if set_proxy is called)
- *
- * @access private
- * @see set_proxy()
- * @var boolean
- */
- var $_use_proxy_auth = false;
-
- /**
- * The time the Files will be cached (in seconds).
- *
- * @access private
- * @var int
- */
- var $_refresh = 60; // int
-
- /**
- * The Name of the cached File.
- *
- * @access private
- * @var string
- */
- var $_cached_file = ""; // String
-
- /**
- * Indicates whether the cached or the remote file was used.
- *
- * @access private
- * @var boolean
- */
- var $_use_cached_file = true;
-
- /**
- * (fast|normal) depends on _use_dynamic_display(). _use_dynamic_display( TRUE ) -> 'normal', otherwise 'fast'
- *
- * @access private
- * @var string
- */
- var $_cache_type = "fast";
-
- /**
- * The Name of the Remote File.
- *
- * @access private
- * @var string
- */
- var $_remote_file = "";
-
- /**
- * Path to the Cache Directory.
- *
- * @access private
- * @var string
- */
- var $_cache_dir = "cache/"; // String
-
- /**
- * Indicates whether the Creating of the Cache Directory needs to be done or not.
- *
- * @access private
- * @var boolean
- */
- var $_cache_dir_ok = false;
-
- /**
- * Type of the file to be parsed (RSS or RDF).
- *
- * The Type depends on the root node
- *
- * @access private
- * @var string
- */
- var $_type = "rss"; // string (rss or rdf)
-
- /**
- * Array of Display Settings.
- *
- * Specific Parameters can be set to hidden. These are:
- * image, channel and textinput. If set to "hidden" those elements won't be displayed.
- *
- * @access private
- * @var array
- */
- var $_display_opt = array(
- 'build' => "",
- 'image' => "",
- 'channel' => "",
- 'textinput' => "",
- 'cache_update' => "",
- 'sitelink' => "",
- 'refid' => "",
- 'reflink' => "",
- );
-
- /**
- * Defines the width attribute in the table that holds the rdf/rss representation
- *
- * @access private
- * @var int
- * @see see_table_width()
- */
- var $_table_width = "100%";
-
- /**
- * Indicates whether or not to use dynamic Display Settings
- *
- * @access private
- * @var array
- */
- var $_use_dynamic_display = false;
-
- /**
- * <item> count
- *
- * @access private
- * @var int
- */
- var $_item_count = 0;
-
- /**
- * No of max <item>s
- *
- * @access private
- * @var boolean
- */
- var $_max_count = false;
-
- /**
- * Array containing the content of <channel />
- *
- * @access private
- * @var array
- */
- var $_array_channel = array();
-
- /**
- * Array containing the content of each <item />
- *
- * @access private
- * @var array
- */
- var $_array_item = array();
-
- /**
- * Array containing the content of <textinput />
- *
- * @access private
- * @var array
- */
- var $_array_textinput = array();
-
- /**
- * Array containing the content of <image />
- *
- * @access private
- * @var array
- */
- var $_array_image = array();
-
- /**
- * Array containing the Channel content. Just For internal XML Parser Purposes.
- *
- * @access private
- * @var array
- */
- var $_citem = array();
-
- /**
- * Array containing the Channel Parser Depth. Just For internal XML Parser Purposes.
- *
- * @access private
- * @var array
- */
- var $_cdepth = array();
-
- /**
- * Array containing the Channel tags. Just For internal XML Parser Purposes.
- *
- * @access private
- * @var array
- */
- var $_ctags = array( "x" );
-
- /**
- * Array containing the Channel content. Just For internal XML Parser Purposes.
- *
- * @access private
- * @var array
- */
- var $_item = array(); // Array
-
- /**
- * Array containing the Channel Parser Depth. Just For internal XML Parser Purposes.
- *
- * @access private
- * @var array
- */
- var $_depth = array(); // Array
-
- /**
- * Array containing the tags. Just For internal XML Parser Purposes.
- *
- * @access private
- * @var array
- */
- var $_tags = array( "x" ); // Array
-
- /**
- * Garbage collection: probability in percent
- *
- * @var integer 0 => never
- * @access public
- */
- var $gc_probability = 1;
-
- /**
- * HTML Output
- *
- * @var string
- * @access private
- */
- var $_output = "";
-
- /**
- * @var string
- */
- var $_parse_mode = "";
-
- // Output variable
- var $out = "";
-
- // Salt for hashing
- var $salt = "";
-
- /**
- * Constructor of our Class
- *
- * This Method checks if the Cache Directory can be found. Otherwise it tries to creat the Cache Directory at the specified Path.
- * Additionally the Refresh Time is set to a default Value of 1200s (20 min).
- *
- * @access public
- * @author Stefan Saasen <s@fase4.com>
- * @see _refresh
- */
- function fase4_rdf()
- {
- // default Value, to be overwritten in set_refresh()
- $this->_refresh = (time() - 1200);
- $this->_clear_cItems();
- $this->_clear_Items();
- }
-
- /**
- * This Method starts the parsing of the specified RDF File. The File can be a local or a remote File.
- *
- * @access public
- * @author Stefan Saasen <s@fase4.com>
- * @param string $rdf RDF File (Location)
- * @return string Displays RDF Content ( using _display() )
- * @see _remote_file, cache()
- */
- function parse_RDF( $rdf )
- {
- unset($this->_array_item);
- $this->_remote_file = $rdf;
- $this->out .= "<!-- http://www.fase4.com/rdf/ -->";
- $this->out .= "<table width=\"".$this->_table_width."\">";
- $this->out .= $this->cache();
- $this->out .= "</table>";
- $this->_output = "";
- $this->_item_count = 0;
- return true;
- }
-
- /**
- * This Method is called when all parsing is finished to use the garbage collection
- *
- * @access public
- * @author Stefan Saasen <s@fase4.com>
- * @param string $rdf RDF File (Location)
- * @return string Displays RDF Content ( using _display() )
- * @see _remote_file, cache()
- */
- function finish($return = false)
- {
- if (!$return) {
- echo $this->out;
- } else {
- return $this->out;
- }
- flush();
- $this->_garbage_collection();
- }
-
- /**
- * With this method you can decide whether to use the normal cache and dynamic display Options or to use a static cache.
- *
- * In the first case the rdf/rss File will be stored locally, in the second case the html output of the specified source will be stored.
- * In this case you can not modify the display settings.
- * processing time: ( 1.4792) --> remote file
- * processing time: ( 0.0313) --> using 'normal cache' with display Modification turned on.
- * processing time: ( 0.0019) --> using 'fast cache'
- *
- * @access public
- * @author Stefan Saasen <s@fase4.com>
- * @param string $rdf RDF File (Location)
- * @return string Displays RDF Content ( using _display() )
- * @see _remote_file, cache()
- */
- function use_dynamic_display( $bool )
- {
- $this->_use_dynamic_display = $bool;
- return true;
- }
-
- /**
- * This Method avtually parses the XML data.
- *
- * @access private
- * @author Stefan Saasen <s@fase4.com>
- * @param string $data RDF File XML Data
- * @see _clear_Items()
- */
- function _parse_xRDF( $data )
- {
- $this->_clear_Items();
- $xml_parser = xml_parser_create();
- xml_set_object($xml_parser,$this);
- xml_parser_set_option($xml_parser,XML_OPTION_CASE_FOLDING,0);
- xml_set_element_handler($xml_parser, "_startElement", "_endElement");
- xml_set_character_data_handler($xml_parser, "_parseData");
- if (!xml_parse($xml_parser, trim($data))) {
- $this->_throw_exception(sprintf("XML error: %s at line %d",
- xml_error_string(xml_get_error_code($xml_parser)),
- xml_get_current_line_number($xml_parser))."<br /><br />Exception in function parse_RDF().");
- }
- xml_parser_free($xml_parser);
- }
-
-
- /**
- * This Methods allows you to set the Refresh Time
- *
- * @access public
- * @author Stefan Saasen <s@fase4.com>
- * @param int $seconds time files will be cached (in seconds).
- * @return boolean
- * @see _refresh
- */
- function set_refresh( $seconds )
- {
- $this->_refresh = (time() - $seconds);
- return true;
- }
-
- function set_salt( $saltPara )
- {
- $this->salt = $saltPara;
- return true;
- }
-
- /**
- * This Methods allows you to set the No. of <item>s to display
- *
- * @access public
- * @param int $int No of max <item>s
- * @author Stefan Saasen <s@fase4.com>
- * @return boolean
- * @see _max_count, _endElement()
- */
- function set_max_item( $int )
- {
- $this->_max_count = $int;
- return true;
- }
-
- /**
- * This Methods allows you to set the Cache Directory
- *
- * @access public
- * @author Stefan Saasen <s@fase4.com>
- * @param string $dir Path to Directory.
- * @return boolean
- * @see _cache_dir
- */
- function set_CacheDir( $dir )
- {
- if(substr($dir, -1) != "/") {
- $dir = $dir."/";
- }
- $this->_cache_dir = $dir;
- }
-
- /**
- * This Method displays Error Messages and terminates the Execution of the Script
- *
- * @access private
- * @param string $msg Message to display on failure
- * @author Stefan Saasen <s@fase4.com>
- */
- function _throw_exception( $msg )
- {
- $this->out .= "<div style=\"font-family: verdana, helvetica, arial, sans-serif;font-size:11px; color: #6699cc;margin-top:10px;margin-bottom:10px;\" align=\"center\">fase4 RDF Error: ".$msg."</div>";
- return true;
- }
-
- /**
- * This Method clears the Array containig the Items.
- *
- * @access private
- * @author Stefan Saasen <s@fase4.com>
- * @see _item
- */
- function _clear_Items( ) {
- $this->_item = array(
- 'title'=>"",
- 'link'=>"",
- 'description'=>"",
- 'url'=>"",
- 'language'=>"",
- 'pubDate'=>"",
- 'lastBuildDate'=>"",
- 'width'=>"",
- 'height'=>""
- );
- }
- /**
- * This Method clears the Array containig the Channel Items.
- *
- * @access private
- * @author Stefan Saasen <s@fase4.com>
- * @see _item
- */
- function _clear_cItems( ) {
- $this->_citem = array(
- 'title'=>"",
- 'link'=>"",
- 'description'=>"",
- 'url'=>"",
- 'language'=>"",
- 'copyright'=>"",
- 'managingEditor'=>"",
- 'webMaster'=>"",
- 'pubDate'=>"",
- 'lastBuildDate'=>"",
- 'category'=>"",
- 'generator'=>"",
- 'docs'=>"",
- 'cloud'=>"",
- 'ttl'=>"",
- 'image'=>"",
- 'textinput'=>"",
- 'skipHours'=>"",
- 'skipDays' =>"",
- 'sitelink'=>"",
- 'refid'=>"",
- 'reflink'=>"",
- );
- }
-
- /**
- * XML Parser Start Element Handler
- *
- * @access private
- * @author Stefan Saasen <s@fase4.com>
- * @param mixed $parser a reference to the XML parser calling the handler.
- * @param string $name contains the name of the element for which this handler is called.
- * @param string $attrs contains an associative array with the element's attributes (if any).
- * @see _get_ChannelData(), _clear_Items(), _type, _parse_mode, _depth, _tags, _cdepth, _ctags
- */
- function _startElement($parser, $name, $attrs) {
- // We have to determine, which type of xml data we have to parse
- if($name == "rss") {
- $this->_type = "rss";
- } elseif($name == "rdf:RDF" OR $name == "rdf") {
- $this->_type = "rdf";
- }
-
-
- if ( $name == "channel" AND $this->_type != "rdf" ) {
- $this->_parse_mode = "channel";
- } elseif ( ($name=="item")
- ||($name=="image")
- ||($name=="textinput")
- ||(($name=="channel") && ($this->_type != "rss")) ) {
- if($this->_parse_mode=="channel") {
- $this->_get_ChannelData( $parser );
- }
- $this->_parse_mode = "all";
- }
-
- if( !isset( $this->_depth[$this->get_parser_id($parser)] ) ) {
- $this->_depth[$this->get_parser_id($parser)] = 0;
- }
- $this->_depth[$this->get_parser_id($parser)]++;
- array_push($this->_tags, $name);
-
- if( !isset( $this->_cdepth[$this->get_parser_id($parser)] ) ) {
- $this->_cdepth[$this->get_parser_id($parser)] = 0;
- }
- $this->_cdepth[$this->get_parser_id($parser)]++;
- array_push($this->_ctags, $name);
- } // END _startElement()
-
- /**
- * Retrives the Channel Data in <rss> File
- *
- * @access private
- * @author Stefan Saasen <s@fase4.com>
- * @param mixed $parser a reference to the XML parser calling the handler.
- * @see _output, _display_opt, _citem
- */
- function _get_ChannelData( $parser )
- {
- $this->_citem["link"] = trim($this->_citem["link"]);
- if (($this->_display_opt["sitelink"] == $this->_citem["link"]) && (!empty($this->_display_opt["reflink"])) && (!empty($this->_display_opt["refid"])))
- {
- $this->_citem["link"] .= $this->_display_opt["reflink"].$this->_display_opt["refid"];
- }
-
- if( empty($this->_display_opt["channel"]) OR
- $this->_display_opt["channel"] != "hidden") {
- $this->_output .= "<tr><td>\n";
- $this->_output .= "<table border=\"0\" width=\"100%\" class=\"fase4_rdf_meta\" cellspacing=\"5\" cellpadding=\"2\">\n";
- $this->_output .= "<tr><td class=\"fase4_rdf_main_title\"><div class=\"fase4_rdf_main_title\">".htmlspecialchars($this->_citem["title"])."</div></td></tr>\n";
- $this->_output .= "<tr><td class=\"fase4_rdf\">".strip_tags($this->_citem["description"], "<a>, <img>")."</td></tr>\n";
- $this->_output .= "<tr><td> </td></tr>\n";
- $this->_output .= "<tr><td class=\"fase4_rdf\">\n";
- if(isset($this->_display_opt["build"]) && $this->_display_opt["build"] != "hidden") {
- if($this->_citem["lastBuildDate"]){$this->_output .= "build: ". $this->_citem["lastBuildDate"]."<br />";}
- }
- if(isset($this->_display_opt["cache_update"]) && $this->_display_opt["cache_update"] != "hidden" && ( $_update = $this->get_cache_update_time()) ) {
- $this->_output .= "cache update: ".$_update."<br />\n";
- }
- $this->_output .= "<a href=\"".$this->_citem["link"]."\" ";
- if(isset($this->_link_target)) { $this->_output .= "target=\"".$this->_link_target."\" "; }
- $this->_output .= ">".$this->_cut_string($this->_citem["link"])."</a>";
- $this->_output .= "</td></tr>\n";
- $this->_output .= "<tr><td><hr noshade width=\"100%\" size=\"1\"></td></tr>\n";
- $this->_output .= "</table></td></tr>";
- }
- $this->_array_channel = array( "title"=>$this->_citem["title"],
- "link"=>$this->_citem["link"],
- "description"=>$this->_citem["description"],
- "lastBuildDate"=>$this->_citem["lastBuildDate"]);
- }
-
- /**
- * XML Parser End Element Handler
- *
- * @access private
- * @author Stefan Saasen <s@fase4.com>
- * @param mixed $parser a reference to the XML parser calling the handler.
- * @param string $name contains the name of the element for which this handler is called.
- * @see _clear_Items(), _type, _parse_mode, _depth, _tags, _cdepth, _ctags, _item, _output, _display_opt
- */
- function _endElement($parser, $name) {
- array_pop($this->_tags);
- $this->_depth[$this->get_parser_id($parser)]--;
- array_pop($this->_ctags);
- $this->_cdepth[$this->get_parser_id($parser)]--;
- $this->_item["link"] = trim($this->_item["link"]);
- if ((!empty($this->_display_opt["refid"])) && (!empty($this->_item["link"])))
- {
- if (!ereg("refid=", $this->_item["link"])) $this->_item["link"] .= "?refid=" . $this->_display_opt["refid"];
- }
- switch ($name) {
- case "item":
- if(empty($this->_max_count) OR $this->_item_count < $this->_max_count) {
- if($this->_item["title"] != $this->_item["description"]
- AND $this->_item["description"]) {
-
- // word-wrapping added by Roland Haeder <webmaster@mxchange.org>
- if (($this->_word_wrap > 0) && (strlen($this->_item["description"]) > $this->_word_wrap))
- {
- // Switch off _use_nl2br
- $this->_use_nl2br = false;
- // First remove all \n
- $this->_item["description"] = str_replace("\n", ' ', $this->_item["description"]);
- // Wrap with <br />\n
- $this->_item["description"] = wordwrap($this->_item["description"], $this->_word_wrap, "*<br>\n");
- }
- elseif (($this->_word_wrap == 0) && (!$this->_use_nl2br))
- {
- // Strip tags out instead when word-wrap is disabled
- $this->_item["description"] = strip_tags($this->_item["description"], "<a>, <img>");
- }
-
- // nl2br added by Roland Haeder <webmaster@mxchange.org>
- if ($this->_use_nl2br) $this->_item["description"] = nl2br($this->_item["description"]);
-
- $this->_output .= "<tr><td class=\"fase4_rdf_title\"><div class=\"fase4_rdf_title\"><a class=\"fase4_rdf_title\" href=\"".$this->_item["link"]."\" ";
- if(isset($this->_link_target)) { $this->_output .= "target=\"".$this->_link_target."\" "; }
- $this->_output .= ">".strip_tags($this->_item["title"], "<a>, <img>")."</a> (".$this->_item["pubDate"].")</div></td></tr>\n";
- $this->_output .= "<tr><td class=\"fase4_rdf\">".$this->_item["description"]."</td></tr>\n";
- // we just display the <hr> if there is a description
- $this->_output .= "<tr><td><hr noshade=\"noshade\" size=\"1\" /></td></tr>\n";
- } else {
- $this->_output .= "<tr><td class=\"fase4_rdf\">\n";
- $this->_output .= "<a href=\"".$this->_item["link"]."\" ";
- if(isset($this->_link_target)) { $this->_output .= "target=\"".$this->_link_target."\" "; }
- $this->_output .= ">".$this->_item["title"]."</a></td></tr>\n";
- }
- $this->_array_item[] = array( "title"=>$this->_item["title"],
- "link"=>$this->_item["link"],
- "description"=>$this->_item["description"]);
- ++$this->_item_count;
- }
- $this->_clear_Items();
- break;
- case "image":
- if(isset($this->_display_opt["image"]) && ($this->_display_opt["image"] != "hidden") && $this->_item["url"]) {
- $this->_output .= "<tr><td class=\"fase4_rdf\">\n";
- $this->_output .= "<a href=\"".$this->_item["link"]."\" ";
- if(isset($this->_link_target)) { $this->_output .= "target=\"".$this->_link_target."\" "; }
- $this->_output .= "><img src=\"".$this->_item["url"]."\"";
- if(isset($this->_item["width"]) && isset($this->_item["height"])) {
- $this->_output .= " width=\"".$this->_item["width"]."\" height=\"".$this->_item["height"]."\"";
- }
- $this->_output .= " alt=\"".$this->_item["title"]."\" border=\"0\" /></a></td></tr>\n";
-
- $this->_array_image[] = array( "url"=>$this->_item["url"],
- "link"=>$this->_item["link"],
- "width"=>$this->_item["width"],
- "height"=>$this->_item["height"]);
- $this->_clear_Items();
- } elseif( isset($this->_display_opt["image"] ) && ($this->_display_opt["image"] == "hidden") ) {
- $this->_clear_Items();
- }
-
- break;
- case "channel":
- if(isset($this->_display_opt["channel"]) AND $this->_display_opt["channel"] != "hidden" AND $this->_item["title"] != '') {
- $this->_output .= "<tr><td>\n";
- $this->_output .= '<table border="0" width="100%" class="fase4_rdf_meta" cellspacing="5" cellpadding="2">'."\n";
- $this->_output .= "<tr><td class=\"fase4_rdf\"><div class=\"fase4_rdf_title\">".htmlspecialchars($this->_item["title"])."</div></td></tr>\n";
- $this->_output .= "<tr><td class=\"fase4_rdf\">".strip_tags($this->_item["description"], "<a>, <img>")."</td></tr>\n";
- $this->_output .= "<tr><td> </td></tr>\n";
- $this->_output .= "<tr><td class=\"fase4_rdf\">\n";
- if($this->_display_opt["build"] != "hidden") {
- if($this->_item["lastBuildDate"]){$this->_output .= "build: ". $this->_item["lastBuildDate"]."<br />";}
- }
- if($this->_display_opt["cache_update"] != "hidden" && ( $_update = $this->get_cache_update_time()) ) {
- $this->_output .= "cache update: ".$_update."<br />\n";
- }
- $this->_output .= "<a href=\"".$this->_item["link"]."\" ";
- if(isset($this->_link_target)) { $this->_output .= "target=\"".$this->_link_target."\" "; }
- $this->_output .= ">".$this->_cut_string($this->_item["link"])."</a>\n";
- $this->_output .= "</td></tr>\n";
- $this->_output .= "</table></td></tr>\n";
- }
- $this->_array_channel = array( "title"=>$this->_item["title"],
- "link"=>$this->_item["link"],
- "description"=>$this->_item["description"],
- "lastBuildDate"=>$this->_item["lastBuildDate"]);
- $this->_clear_Items();
- $this->_clear_cItems();
- break;
- case "textinput":
- if(isset($this->_display_opt["textinput"]) && ($this->_display_opt["textinput"] != "hidden") && $this->_item["name"] && $this->_item["link"]) {
- $this->_output .= "<tr><td class=\"fase4_rdf\">\n";
- $this->_output .= "<form action=\"".$this->_item["link"]."\" ";
- if(isset($this->_link_target)) { $this->_output .= "target=\"".$this->_link_target."\" "; }
- $this->_output .= "method=\"get\">\n";
- $this->_output .= "<div class=\"fase4_rdf_title\">".$this->_item["title"]."</div>";
- $this->_output .= strip_tags($this->_item["description"], "<a>, <img>")."<br><br>\n";
- $this->_output .= "<input class=\"fase4_rdf_input\" type=\"text\" name=\"".$this->_item["name"]."\"> \n";
- $this->_output .= "<input class=\"fase4_rdf_input\" type=\"submit\" value=\"go\">";
- $this->_output .= "</form>\n";
- $this->_output .= "</td></tr>\n";
- $this->_array_textinput = array( "title"=>$this->_item["title"],
- "name"=>$this->_item["name"],
- "link"=>$this->_item["link"],
- "description"=>$this->_item["description"]);
- $this->_clear_Items();
- } elseif( isset($this->_display_opt["textinput"]) && ($this->_display_opt["textinput"] == "hidden") ) {
- $this->_clear_Items();
- }
-
- break;
- }
- }
-
- /**
- * This Method returns the data from the <channel /> paragraph.
- *
- * @access public
- * @author Stefan Saasen <s@fase4.com>
- * @return array
- * @see _array_channel
- */
- function get_array_channel( )
- {
- return $this->_array_channel;
- }
-
- /**
- * This Method returns the data from each <item /> paragraph.
- *
- * @access public
- * @author Stefan Saasen <s@fase4.com>
- * @return array
- * @see _array_item
- */
- function get_array_item( )
- {
- return $this->_array_item;
- }
-
- /**
- * This Method returns the data from <textinput />.
- *
- * @access public
- * @author Stefan Saasen <s@fase4.com>
- * @return array
- * @see _array_textinput
- */
- function get_array_textinput( )
- {
- return $this->_array_textinput;
- }
-
- /**
- * Getter for parser id from resource
- *
- * @access private
- * @author Roland Haeder <webmaster@mxchange.org>
- * @return int
- */
- function get_parser_id ($parser) {
- // Default is zero
- $id = 0;
-
- // Is it a resource?
- if (is_resource($parser)) {
- // Cast the resource into id
- $id = (int) $parser;
- } // END - if
-
- // Return the id
- return $id;
- }
-
- /**
- * This Method returns the data from <image />.
- *
- * @access public
- * @author Stefan Saasen <s@fase4.com>
- * @return array
- * @see _array_image
- */
- function get_array_image( )
- {
- return $this->_array_image;
- }
-
- /**
- * XML Parser Data Handler
- *
- * @access private
- * @author Stefan Saasen <s@fase4.com>
- * @param mixed $parser a reference to the XML parser calling the handler.
- * @param string $text contains the character data as a string.
- * @see _parse_mode, _item, _tags, _depth, _citem, _ctags, _cdepth
- */
- function _parseData($parser, $text)
- {
- // Deocing mode added by Roland Haeder <webmaster@mxchange.org>
- switch ($this->_decoding_mode)
- {
- case "utf8_decode":
- $text = utf8_decode($text);
- break;
-
- case "htmlentities":
- $text = htmlentities($text);
- break;
- }
-
- $clean = preg_replace("/\s/", "", $text);
- if ($clean) {
- $text = preg_replace("/^\s+/", "", $text)."\n";
- if($this->_parse_mode == "all") {
- if ( isset($this->_item[$this->_tags[$this->_depth[$this->get_parser_id($parser)]]]) &&
- $this->_item[$this->_tags[$this->_depth[$this->get_parser_id($parser)]]] ) {
- $this->_item[$this->_tags[$this->_depth[$this->get_parser_id($parser)]]] .= $text;
- } else {
- $this->_item[$this->_tags[$this->_depth[$this->get_parser_id($parser)]]] = $text;
- }
- } elseif (isset($this->_parse_mode) && $this->_parse_mode == "channel") {
- if ( isset($this->_citem[$this->_ctags[$this->_cdepth[$this->get_parser_id($parser)]]]) ) {
- $this->_citem[$this->_ctags[$this->_cdepth[$this->get_parser_id($parser)]]] .= $text;
- } else {
- $this->_citem[$this->_ctags[$this->_cdepth[$this->get_parser_id($parser)]]] = $text;
- }
- }
- }
- }
-
- /**
- * This Method allows you to choose if specific Parameters are displayed or not. These are:
- * image, channel, textinput, build and cache_update. If set to "hidden" those elements won't be displayed.
- *
- * @access public
- * @author Stefan Saasen <s@fase4.com>
- * @param array $options
- * @see _display_opt
- */
- function set_Options( $options = "" )
- {
- if(is_array( $options )) {
- $this->_display_opt = $options;
- return true;
- } else {
- unset($this->_display_opt);
- return false;
- }
- }
-
- /**
- * This Method allows you to define the width of the table that holds the representation of the rdf/rss file.
- *
- * @access public
- * @author Stefan Saasen <s@fase4.com>
- * @param int $width attribute width in tag <table>
- * @see _table_width
- */
- function set_table_width( $width = 400 )
- {
- $this->_table_width = $width;
- return true;
- }
-
- /**
- * This Method returns an assocative Array with available Options.
- *
- * The Keys are the Name of the Options to be set.
- * The Values are short Description of available Options.
- *
- * @access public
- * @author Stefan Saasen <s@fase4.com>
- * @return array $options
- * @see _display_opt
- */
- function get_Options()
- {
- $options = array( "image"=>"If 'image' is set to \"hidden\" no image provided by the RDF Publisher will be displayed.",
- "channel"=>"If 'channel' is set to \"hidden\" the Channel Meta Data (i.e the Title and the short description regarding the RDF Publisher will not be displayed",
- "textinput"=>"If set to \"hidden\" no Input Form will be displayed",
- "build"=>"If set to \"hidden\" the Build Date (if provided) of the RDF File will not be displayed",
- "cache_update"=>"If set to \"hidden\" the Update Date/Time of the cached Rdf File will not be displayed");
- return $options;
- }
-
- /**
- * This Method returns the Content of the RDF File in one string. The String actually holds the whole XML Document.
- *
- * @access public
- * @author Stefan Saasen <s@fase4.com>
- * @param string $rdf RDF File (Location)
- * @return string XML Presentation of parsed RDF File
- * @see _cached_file, _remote_file, _cache_dir, _refresh, _update_cache()
- */
- function cache()
- {
- // checks if the cache directory already exists
- // if not, the cache directory will be created
- if(!$this->_cache_dir_ok) {
- $this->_create_cache_dir();
- }
- if($this->_use_dynamic_display == true) {
- $this->_cached_file = md5("dynamic".$this->salt.$this->_remote_file) . '.cache';
- $this->_cache_type = "normal";
- } else {
- $this->_cached_file = md5($this->salt.$this->_remote_file) . '.cache';
- $this->_cache_type = "fast";
- }
-
- $_cache_f = $this->_cache_dir.$this->_cached_file;
-
- if ( (!file_exists($_cache_f)) || (filemtime($_cache_f) < $this->_refresh) || (filesize($_cache_f) == 0)) {
- // We have to parse the remote file
- $this->_use_cached_file = false;
- // --> we want to provide proper Information for Use in
- // get_cache_update_time()
- clearstatcache();
- if($this->_use_dynamic_display == true) {
- $_rdf = @implode(" ", $this->_rdf_data()); // -> proxy
- if(!$_rdf) {
- $this->_throw_exception( $this->_remote_file." is not available" );
- }
- $this->_parse_xRDF( $_rdf );
- $this->_update_cache( $_rdf );
- $data = $this->_output;
- } else {
- $_rdf = @implode(" ", $this->_rdf_data()); // -> proxy
- if(!$_rdf) {
- $this->_throw_exception( $this->_remote_file." is not available" );
- }
- $this->_parse_xRDF( $_rdf );
- $this->_update_cache( $this->_output );
- $data = $this->_output;
- }
- } else {
- // we can use the cached file
- $this->_use_cached_file = true;
- if($this->_use_dynamic_display == true) {
- $this->_parse_xRDF( implode(" ", file($_cache_f)) );
- $data = $this->_output;
- } else {
- $data = @implode(" ", file($_cache_f));
- }
- }
- return trim($data);
- } // END cache()
-
- /**
- * This Methods creates the Cache Directory if the specified Directory does not exist.
- *
- * @access private
- * @author Stefan Saasen <s@fase4.com>
- * @param string $dir Path to Directory.
- * @return boolean
- * @see _cache_dir, _cache_dir_ok
- */
- function _create_cache_dir()
- {
- $path = "";
- if(!@is_dir($this->_cache_dir)) {
- $arr = explode("/", $this->_cache_dir);
- $c = count($arr);
- if($arr[0]=="") {
- $path = "/";
- }
- for($i = 0;$i<$c;$i++)
- {
- if($arr[$i]!="") {
- $path .= $arr[$i]."/";
- if(!@is_dir($path)) {
- if(!@mkdir($path, 0777)) {
- $this->_throw_exception("failed to create directory:<b>".$this->_cache_dir."</b>.<br /><br />Exception on Line: ".__LINE__);
- return false;
- }
- }
- }
- }
- $this->_cache_dir_ok = true;
- return true;
- } else {
- $this->_cache_dir_ok = true;
- return true;
- }
- } // END _create_cache_dir()
-
- /**
- * This Method updates the cached RDF Files and synchronises them with their remote Counterparts.
- *
- * @access private
- * @author Stefan Saasen <s@fase4.com>
- * @param string $rdf RDF File (Location)
- * @see _cache_dir, _cached_file, _throw_exception()
- */
- function _update_cache( $content = "" )
- {
- $_local = @fopen( $this->_cache_dir.$this->_cached_file, 'w' );
- if(!$_local) {
- $this->_throw_exception( "Cannot open ".$this->_cached_file."<br /><br />Exception at Line: ".__LINE__ );
- return false;
- }
- if (fwrite( $_local, $content) === false) {
- $this->_throw_exception( "Cannot write to ".$this->_cached_file."<br /<br />Exeception at Line: ".__LINE__);
- return false;
- }
- fclose( $_local );
- @chmod( $this->_cache_dir.$this->_cached_file, 0666);
- return true;
- } // END _update_cache()
-
- /**
- * This Method returns the Date/Time of last Cache Update of the actually parsed RDF File.
- *
- * @access public
- * @author Stefan Saasen <s@fase4.com>
- * @return string Date/Time of last Update
- * @see _cache_dir, _cached_file
- */
- function get_cache_update_time()
- {
- return (file_exists($this->_cache_dir.$this->_cached_file))?date("d.m.Y H:i:s", filemtime($this->_cache_dir.$this->_cached_file)):"Cachemiss";
- } // END get_cache_update_time()
-
- /**
- * This Method returns the Type of Cache that was used ('normal' or 'fast')
- *
- * @access public
- * @author Stefan Saasen <s@fase4.com>
- * @param string $rdf RDF File (Location)
- * @return string Displays RDF Content ( using _display() )
- * @see _remote_file, cache()
- */
- function get_CacheType()
- {
- return $this->_cache_type;
- }
-
- /**
- * Returns true if cached file was used, otherwise false
- *
- * @access public
- * @author Stefan Saasen <s@fase4.com>
- * @return array $options
- * @see _use_cached_file
- */
- function is_cachedFile()
- {
- return $this->_use_cached_file;
- }
-
- /**
- * This Method deletes all the cached Files.
- *
- * Please keep in mind to use this method just as a 'manual garbage collection'
- * You should cache the rss/rdf files locally to avoid unnecessary traffic.
- * (Both for your visitors and the Publisher)
- *
- * @access public
- * @author Stefan Saasen <s@fase4.com>
- * @see _cache_dir
- */
- function clear_cache()
- {
- $dir = dir($this->_cache_dir);
- while($file=$dir->read()) {
- // Exclude directories
- if (is_file($dir->path.$file) && substr($file, -6, 6) != ".cache" && substr($file, -4, 4) != ".log") {
- if(!@unlink($dir->path.$file)) {
- $this->_throw_exception("Unable to unlink ".$dir->path.$file."<br />\n<br />\nException at Line: ".__LINE__ );
- return false;
- } // END - if
- } // END - if
- } // END - while
- $dir->close();
- return true;
- } // END clear_cache()
-
- /**
- * Cuts the String $string after $str_len and adds "... "
- *
- * @access private
- * @param string $string String to be shortened
- * @param int $str_len length of the returned String (overall length including "... ")
- * @return string Cut String
- */
- function _cut_string( $string, $str_len = "30" )
- {
- if(strlen(trim($string))>$str_len) {
- $string = substr( trim($string) , 0, $str_len - 4);
- $string .= " ...";
- }
- return $string;
- } // END _cut_string()
-
- /**
- * this Method implements simple Garbage Collection
- *
- * @access private
- * @author Stefan Saasen <s@fase4.com>
- * @see _cache_dir, gc_probability, gc_maxlifetime
- */
- function _garbage_collection()
- {
- srand((double) microtime() * 1000000);
- if (mt_rand(1, 100) <= $this->gc_probability) {
- $dir = dir($this->_cache_dir);
- while($file=$dir->read()) {
- if (is_file($dir->path.$file) && substr($file, -6, 6) != ".cache" && substr($file, -4, 4) != ".log" && filemtime($dir->path.$file) <= time() - $this->_refresh ) {
- @unlink($dir->path.$file);
- } // END - if
- }
- $dir->close();
- } // END if
- }
-
- /* ==== Proxy/Auth methods ==== */
-
- /**
- * this method sets a proxy server
- *
- * @access public
- * @param string $phost Proxy Host
- * @param string $pport Prox Port
- * @author Marco Kraus <marco.kraus@siemens.com>
- */
- function set_proxy($phost, $pport)
- {
- $this->_use_proxy = true;
-
- if ($phost != '')
- $this->_phost = $phost;
-
- if ($pport != '')
- $this->_pport = $pport;
- }
-
- /**
- * this method sets a proxy server authentification
- *
- * @access public
- * @param string $pname Username
- * @param string $ppaswd Password
- * @author Marco Kraus <marco.kraus@siemens.com>
- */
- function set_proxy_auth( $pname, $ppasswd )
- {
- $this->_use_proxy_auth = true;
-
- if ($pname != '')
- $this->_pname = $pname;
-
- if ($ppasswd != '')
- $this->_ppasswd = $ppasswd;
- }
-
-
- /**
- * gets _remote_file into an array
- *
- * needed, cause if you use a proxy, you have to open
- * a raw-tcp-socket to get the data
- *
- * @access private
- * @author Marco Kraus <Marco.Kraus@siemens.com>
- * @return array
- * @see _use_proxy, cache()
- */
- function _rdf_data()
- {
- if ( $this->_use_proxy == true )
- {
- // we need a raw socket here to connect to proxy
- $fp = fsockopen($this->_phost,$this->_pport);
-
- if (!$fp) {
- $this->_throw_exception( $this->_remote_file." is not available with proxy" );
- } else {
- if ( $this->_use_proxy_auth == true ) {
- fputs($fp, "GET ".$this->_remote_file." HTTP/1.0\r\nUser-Agent: Fase4 RDF-Reader/1.40 modified by Quix0r\r\n\r\n");
- } else {
- fputs($fp, "GET ".$this->_remote_file." HTTP/1.0\r\nUser-Agent: Fase4 RDF-Reader/1.40 modified by Quix0r\r\nProxy-Authorization: Basic ".base64_encode("$this->_pname:$this->_ppasswd") ."\r\n\r\n");
- }
- }
-
-
- for ( $i = 0; !feof ($fp) ; $i++)
- {
- $usable_data[$i] = "";
- $usable_data[$i] = fgets($fp,4096);
-
- // PARSE HEADER ---- first line has to be <?xml, second rdf or rss, and third is blank
-
- // strstr did not fit (ask Rasmus why), so we compare each character
- if ( ($usable_data[$i][0] == "<" ) &&
- ($usable_data[$i][1] == "?" ) &&
- ($usable_data[$i][2] == "x" ) &&
- ($usable_data[$i][3] == "m" ) &&
- ($usable_data[$i][4] == "l" ) ) {
- $usable_data[0] = $usable_data[$i]; // save current field
- $i = 1; // just reset array to start
- }
-
- // there seems to be proxystuff after the <?xml....we delete this
- if ( (
- ($usable_data[$i][0] == "<" ) &&
- ($usable_data[$i][1] == "r" ) &&
- ($usable_data[$i][2] == "d" ) &&
- ($usable_data[$i][3] == "f" ) &&
- ($usable_data[$i][4] == ":" )
- )
- ||
- (
- ($usable_data[$i][0] == "<" ) &&
- ($usable_data[$i][1] == "r" ) &&
- ($usable_data[$i][2] == "s" ) &&
- ($usable_data[$i][3] == "s" )
- )
- ) {
-
- $usable_data[1] = $usable_data[$i]; // save current field
- $usable_data[2] = "\n";
- $i = 2; // just reset array to start
- }
- }
-
- fclose($fp);
- return $usable_data;
- } else {
- if (substr($this->_remote_file, 0, 7) != "http://") {
- $this->_throw_exception( "Cannot find http:// in ".$this->_remote_file."!" );
- return "";
- } else {
- // Extract host information
- $host = substr($this->_remote_file, 7);
- // Extract the GET part
- $get = "/";
- if (strpos($host, "/") > 0) {
- $get = substr($host, strpos($host, "/"));
- $host = substr($host, 0, strpos($host, "/"));
- }
- // Extract port
- $port = "80";
- if (strpos($host, ":") > 0) {
- $port = substr($host, (strpos($host, ":") + 1));
- $host = substr($host, 0, (strpos($host, ":") - 1));
- }
-
- // Start connection to server
- $fp = fsockopen($host, $port);
- if (!$fp) {
- $this->_throw_exception( $this->_remote_file." is maybe not available." );
- return "";
- }
- // Repare request line
- $request = sprintf("GET %s HTTP/1.0\r\nHost: %s\r\nUser-Agent: Fase4 RDF-Reader/1.40 modified by Quix0r\r\n\r\n", $get, $host);
- // Send request out
- fputs($fp, $request);
- $reply = ""; $isContent = false; $dummy = "";
- // Read reply
- $i=0;
- while ( !feof($fp) ) {
- $read = trim(fgets($fp, 4096));
- if (substr($read, 0, 5) == "<?xml" || $isContent) {
- // Add content
- $reply[] = $read;
- $isContent = true;
- } else {
- // Put in dummy
- $dummy[] = $read;
- }
- $i++;
- }
- if ((count($dummy) > 0) && (count($reply) == 0) && (!$isContent)) {
- // Transfer content from dummy
- $reply = $content;
- }
- fclose($fp);
- //die(htmlentities($reply));
- return $reply;
- }
- }
- } // END _rdf_data()
-} // END class
+// @DEPRECATED
?>
projects / mailer.git / blobdiff