Subversion Repositories travelsized

<?php
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * This file is part of Travelsized CMS
 *              A content management system with modules, based on wiki syntax
 *
 * Author: Dan Jensen <admin@leinir.dk>
 * Copyright 2003/2004
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * The GNU General Public License is available at: http://www.gnu.org/copyleft/
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/**
* Returns the current url of the page
*/
function siteURL($removepagename = false) {
        $s = empty($_SERVER["HTTPS"]) ? ''
                : ($_SERVER["HTTPS"] == "on") ? "s"
                : "";
        $protocol = strleft(strtolower($_SERVER["SERVER_PROTOCOL"]), "/").$s;
        $port = ($_SERVER["SERVER_PORT"] == "80") ? "" : (":".$_SERVER["SERVER_PORT"]);
       
        if ($removepagename) {
                $pagename = $protocol . "://" . $_SERVER['SERVER_NAME'] . $port . substr($_SERVER['SCRIPT_NAME'], 0, strlen($_SERVER['SCRIPT_NAME']) - 9);
        } else {
                $pagename = $protocol . "://" . $_SERVER['SERVER_NAME'] . $port . $_SERVER['SCRIPT_NAME'];
        }
        return $pagename;
}

/**
 * Returns the URL of the current page
 *
 * @param     header         Format the URL so that it will work in a header (for example for use with Location:)
 * @param     absoluteURL    Add siteURL to the returned URL
 * @param     extraReqVars   An array containing pairs of name=values to add to the URL
 *
 * @return    string         The URL
 */
function thisPageURL($header = false, $absoluteURL = true, $extraReqVars = "")
{
        global $page_id, $language, $viewUser, $globalID, $systemOptions;
       
        $reqVars = array();
               
        global $systemOptions;
        if( $systemOptions["rewrite"] == 1 )
                $temp_absoluteurl = siteURL( true );
        else
                $temp_absoluteurl = siteURL() . "?globalID=";
        /*if( $absoluteURL )
                $temp_absoluteurl = siteURL(true);
        else
                $temp_absoluteurl = "./";*/
       
        if( $header )
                $separator = "&";
        else
                $separator = "&amp;";

        if( $globalID != "" )
                $thispageurl = $temp_absoluteurl . $globalID;
        else
        {
                if( array_key_exists( "userlist_page", $_REQUEST ) )
                        $reqVars["userlist_page"] = $_REQUEST["userlist_page"];
                if( array_key_exists( "user_id", $_REQUEST ) )
                        $reqVars["user_id"] = $_REQUEST["user_id"];
                if( $viewUser != "" )
                        $reqVars["user_id"] = $viewUser;
                if( array_key_exists( "module", $_REQUEST ) )
                        $reqVars["module"] = $_REQUEST["module"];
                if( array_key_exists( "action", $_REQUEST ) )
                        $reqVars["action"] = $_REQUEST["action"];
                if( array_key_exists( "profile_mode", $_REQUEST ) )
                        $reqVars["profile_mode"] = $_REQUEST['profile_mode'];
                if( array_key_exists( "language", $_REQUEST ) )
                        $reqVars["language"] = $language;
               
                $thispageurl = $temp_absoluteurl . "index.php?page_id=$page_id";
        }
        if( array_key_exists( "returnID", $_REQUEST ) )
                $reqVars["returnID"] = $_REQUEST["returnID"];
       
        if( is_array( $extraReqVars ) )
        {
                foreach( $extraReqVars as $name => $value )
                        $reqVars[$name] = $value;
        }

        $extraparams = "";
        foreach( $reqVars as $name => $value )
                $extraparams .= $separator . $name . "=" . $value;
       
        return $thispageurl . $extraparams;
}

/**
 * Returns the url that corresponds to the globalID
 *
 * @param     splitID        The global ID to check
 *
 * @return    string         A string containing the URL corresponding to the globalID, if existing
 */
function globalID_user( $splitID )
{
        global $viewUser;
        $pageID = null;
       
        if( $splitID[0] == "user" )
        {
                $pageID = $_REQUEST["page_id"] = "13";
                $viewUser = $splitID[1];
                switch( $splitID[2] )
                {
                case null:
                case "view":
                        break; // Then we're simply viewing the profile
                case "new":
                        $_REQUEST["profile_mode"] = "new";
                        break;
                case "mypage":
                        $_REQUEST["profile_mode"] = "mypage";
                        break;
                case "edit":
                        $_REQUEST["profile_mode"] = "edit";
                       
                        if( array_key_exists( 3, $splitID) )
                                $_REQUEST["edit_section"] = $splitID[3];
                        else
                                $_REQUEST["edit_section"] = "general_information";
                        break;
                case "contact":
                        $_REQUEST["profile_mode"] = "contact";
                        break;
                default:
                        // Then it's a module - we don't handle those, pass on the torch!
                        return null;
                }
        }
       
        return $pageID;
}

$modules_globalID[] = "globalID_user";

/**
 * Takes a global ID and passes it to each module's globalID handler
 * and sets the a header to redirect to the corresponding URL, or returns
 * a negative page ID, so that the main function knows to show an unknown page
 *
 * Create functions named globalID_modulename which take a split globalID array
 * and add it into the global $modules_globalID[] array
 * Sample function:
\code
function globalID_foo( $splitID )
{
        $pageID = null;
       
        // Is the globalID directly aimed at this module?
        if( $splitID[0] == "foo" )
        {
                $pageID = $foo_pageID;
        }
        // Or is it aimed at the module's profile module?
        else if( $splitID[0] == "user" && $splitID[2] == "foo" )
        {
                $_REQUEST["user_id"] = $splitID[1];
                $_REQUEST["module"] = "profilemodule_foo";
                $pageID = "13";
        }
       
        return $pageID;
}
\endcode
 *
 * @return    integer        the base pageID if found
 */
function handleGlobalID()
{
        global $modules_globalID, $page_id, $globalID;
       
        // Strip trailing slashes...
        while( substr( $globalID, -1 ) == "/" )
                $globalID = substr( $globalID, 0, -1 );
       
        $splitID = split( "/", $globalID );
       
        foreach( $modules_globalID as $key => $function )
        {
                $tmpVal = $function( $splitID );
                if( $tmpVal != null )
                        $pageID = $tmpVal;
        }
       
        // If we didn't find one... reset the pageID to the already set one and return that one in stead
        if( $pageID == null )
                $pageID = $page_id;
       
        return $pageID;
}

/**
 * Will return the an array with information for the thumbnail for a specified global ID
 *
 * @param    globalID        The global ID to fetch thumbnail information for
 *
 * @return   Array containing array( "uri" => the fully qualified URI for the thumbnail, "width" => the width in pixels, "height" => the height in pixels )
 */
function getGlobalIDThumbnail( $globalID )
{
        global $setup_folder;
       
        if( $globalID == "" )
                $splitID = array();
        else
                $splitID = split( "/", $globalID );
       
        if( $splitID[0] == "content" || count( $splitID ) == 0 )
        {
                // if it's content, get that an image describing that...
                $data = array( "uri" => siteURL(true) . $setup_folder . "/images/thumb-content.png", "width" => 64, "height" => 64 );
        }
        else if( $splitID[0] == "user" )
        {
                $modulefunction = "globalIDThumbnail_" . $splitID[2];
               
                // if it's user
                if( array_key_exists( 2, $splitID ) && function_exists($modulefunction))
                {
                        // and if its a module with a getthumbnail function that exists...
                        $data = $modulefunction($splitID);
                }
                else
                {
                        // otherwise just get that user's avatar
                        $imageFile = getAvatarThumbnail( $splitID[1] );
                        list($width, $height) = getimagesize($imageFile);
                        $uri = siteURL(true) . $imageFile;
                        $data = array( "uri" => $uri, "width" => $width, "height" => $height );
                }
        }
        else
        {
                // if it's a module, which is the last possibility (not a user and not a piece of content)
               
                $modulefunction = "globalIDThumbnail_" . $splitID[0];
               
                if( function_exists($modulefunction) )
                {
                        // pass it on to the module if the function exists
                        $data = $modulefunction($splitID);
                }
                else
                {
                        // otherwise just return a generic thumbnail image
                $data = array( "uri" => siteURL(true) . $setup_folder . "/images/thumb-generic.png", "width" => 64, "height" => 64 );
                }
        }
       
        return $data;
}

/**
 * Will return the appropriate URL for a page from a global ID
 *
 * @param     globalID       The global ID to create a URL for
 * @param     extraReqVars   An array containing pairs of name=values to add to the URL
 *
 * @return    string         The URL
 */
function globalIDtoURL( $globalID, $extraReqVars = null )
{
        global $systemOptions;
       
        if( $systemOptions["rewrite"] == 1 )
                $toplevel = siteURL( true );
        else
                $toplevel = siteURL() . "?globalID=";
       
        $extraparams = "";
        if( $extraReqVars != null )
                foreach( $extraReqVars as $name => $value )
                        $extraparams .= "&amp;" . $name . "=" . $value;
       
        return $toplevel . $globalID . $extraparams;
}
?>