resource_framesize)) { set_config("resource_framesize", 130); } if (!isset($CFG->resource_websearch)) { set_config("resource_websearch", "http://google.com/"); } if (!isset($CFG->resource_defaulturl)) { set_config("resource_defaulturl", "http://"); } if (!isset($CFG->resource_filterexternalpages)) { set_config("resource_filterexternalpages", false); } if (!isset($CFG->resource_secretphrase)) { set_config("resource_secretphrase", random_string(20)); } if (!isset($CFG->resource_popup)) { set_config("resource_popup", ""); } if (!isset($CFG->resource_windowsettings)) { set_config("resource_windowsettings", "0"); } if (!isset($CFG->resource_parametersettings)) { set_config("resource_parametersettings", "0"); } if (!isset($CFG->resource_allowlocalfiles)) { set_config("resource_allowlocalfiles", "0"); } if (!isset($CFG->resource_hide_repository)) { set_config("resource_hide_repository", "1"); } if (!isset($CFG->resource_autofilerename)) { set_config("resource_autofilerename", "1"); } if (!isset($CFG->resource_blockdeletingfile)) { set_config("resource_blockdeletingfile", "1"); } define('RESOURCE_LOCALPATH', 'LOCALPATH'); $RESOURCE_WINDOW_OPTIONS = array('resizable', 'scrollbars', 'directories', 'location', 'menubar', 'toolbar', 'status', 'height', 'width'); foreach ($RESOURCE_WINDOW_OPTIONS as $popupoption) { $popupoption = "resource_popup$popupoption"; if (!isset($CFG->$popupoption)) { if ($popupoption == 'resource_popupheight') { set_config($popupoption, 450); } else if ($popupoption == 'resource_popupwidth') { set_config($popupoption, 620); } else { set_config($popupoption, 'checked'); } } } /** * resource_base is the base class for resource types * * This class provides all the functionality for a resource */ class resource_base { var $cm; var $course; var $resource; /** * Constructor for the base resource class * * Constructor for the base resource class. * If cmid is set create the cm, course, resource objects. * and do some checks to make sure people can be here, and so on. * * @param cmid integer, the current course module id - not set for new resources */ function resource_base($cmid=0) { global $CFG; global $course; // Ugly hack, needed for course language ugly hack if ($cmid) { if (! $this->cm = get_coursemodule_from_id('resource', $cmid)) { error("Course Module ID was incorrect"); } if (! $this->course = get_record("course", "id", $this->cm->course)) { error("Course is misconfigured"); } $course = $this->course; // Make it a global so we can see it later require_course_login($this->course, true, $this->cm); if (! $this->resource = get_record("resource", "id", $this->cm->instance)) { error("Resource ID was incorrect"); } $this->strresource = get_string("modulename", "resource"); $this->strresources = get_string("modulenameplural", "resource"); if ($this->course->id != SITEID) { $this->navigation = "framename}\" href=\"$CFG->wwwroot/course/view.php?id={$this->course->id}\">{$this->course->shortname} -> ". "framename}\" href=\"index.php?id={$this->course->id}\">$this->strresources ->"; } else { $this->navigation = "framename}\" href=\"index.php?id={$this->course->id}\">$this->strresources ->"; } if (!$this->cm->visible and !has_capability('moodle/course:viewhiddenactivities', get_context_instance(CONTEXT_MODULE, $this->cm->id))) { $pagetitle = strip_tags($this->course->shortname.': '.$this->strresource); print_header($pagetitle, $this->course->fullname, "$this->navigation $this->strresource", "", "", true, '', navmenu($this->course, $this->cm)); notice(get_string("activityiscurrentlyhidden"), "$CFG->wwwroot/course/view.php?id={$this->course->id}"); } } } /** * Display function does nothing in the base class */ function display() { } /** * Display the resource with the course blocks. */ function display_course_blocks_start() { global $CFG; global $USER; require_once($CFG->libdir.'/blocklib.php'); require_once($CFG->libdir.'/pagelib.php'); require_once($CFG->dirroot.'/course/lib.php'); //required by some blocks $PAGE = page_create_object(PAGE_COURSE_VIEW, $this->course->id); $this->PAGE = $PAGE; $pageblocks = blocks_setup($PAGE); $blocks_preferred_width = bounded_number(180, blocks_preferred_width($pageblocks[BLOCK_POS_LEFT]), 210); /// Print the page header $edit = optional_param('edit', -1, PARAM_BOOL); if (($edit != -1) and $PAGE->user_allowed_editing()) { $USER->editing = $edit; } $morebreadcrumbs = array($this->strresources => 'index.php?id='.$this->course->id, $this->resource->name => ''); $PAGE->print_header($this->course->shortname.': %fullname%', $morebreadcrumbs); echo ''; if((blocks_have_content($pageblocks, BLOCK_POS_LEFT) || $PAGE->user_is_editing())) { echo ''; } echo ''; if((blocks_have_content($pageblocks, BLOCK_POS_RIGHT) || $PAGE->user_is_editing())) { echo ''; } echo '
'; blocks_print_group($PAGE, $pageblocks, BLOCK_POS_LEFT); echo ''; echo '
'; } /** * Finish displaying the resource with the course blocks */ function display_course_blocks_end() { global $CFG; $PAGE = $this->PAGE; $pageblocks = blocks_setup($PAGE); $blocks_preferred_width = bounded_number(180, blocks_preferred_width($pageblocks[BLOCK_POS_RIGHT]), 210); echo '
'; echo '		'; blocks_print_group($PAGE, $pageblocks, BLOCK_POS_RIGHT); echo '
'; print_footer($this->course); } function setup(&$form) { global $CFG, $usehtmleditor; if (! empty($form->course)) { if (! $this->course = get_record("course", "id", $form->course)) { error("Course is misconfigured"); } } if (empty($form->name)) { $form->name = ""; } if (empty($form->type)) { $form->type = ""; } if (empty($form->summary)) { $form->summary = ""; } if (empty($form->reference)) { $form->reference = ""; } if (empty($form->alltext)) { $form->alltext = ""; } if (empty($form->options)) { $form->options = ""; } $nohtmleditorneeded = true; print_heading_with_help(get_string("resourcetype$form->type", 'resource'), $form->type, 'resource/type'); include("$CFG->dirroot/mod/resource/type/common.html"); } function setup_end() { global $CFG; include("$CFG->dirroot/mod/resource/type/common_end.html"); } function add_instance($resource) { // Given an object containing all the necessary data, // (defined by the form in mod.html) this function // will create a new instance and return the id number // of the new instance. global $RESOURCE_WINDOW_OPTIONS; $resource->timemodified = time(); if (isset($resource->windowpopup)) { if ($resource->windowpopup) { $optionlist = array(); foreach ($RESOURCE_WINDOW_OPTIONS as $option) { if (isset($resource->$option)) { $optionlist[] = $option."=".$resource->$option; } } $resource->popup = implode(',', $optionlist); $resource->options = ""; } else { if (isset($resource->framepage)) { $resource->options = "frame"; } else { $resource->options = ""; } $resource->popup = ""; } } if (isset($resource->parametersettingspref)) { set_user_preference('resource_parametersettingspref', $resource->parametersettingspref); } if (isset($resource->windowsettingspref)) { set_user_preference('resource_windowsettingspref', $resource->windowsettingspref); } // fix for MDL-7300 if (!isset($resource->alltext)) { $resource->alltext = ''; } if (!isset($recourse->popup)) { $resource->popup = ''; } return insert_record("resource", $resource); } function update_instance($resource) { // Given an object containing all the necessary data, // (defined by the form in mod.html) this function // will update an existing instance with new data. global $RESOURCE_WINDOW_OPTIONS; $resource->id = $resource->instance; $resource->timemodified = time(); if (isset($resource->windowpopup)) { if ($resource->windowpopup) { $optionlist = array(); foreach ($RESOURCE_WINDOW_OPTIONS as $option) { if (isset($resource->$option)) { $optionlist[] = $option."=".$resource->$option; } } $resource->popup = implode(',', $optionlist); $resource->options = ""; } else { if (isset($resource->framepage)) { $resource->options = "frame"; } else { $resource->options = ""; } $resource->popup = ""; } } if (isset($resource->parametersettingspref)) { set_user_preference('resource_parametersettingspref', $resource->parametersettingspref); } if (isset($resource->windowsettingspref)) { set_user_preference('resource_windowsettingspref', $resource->windowsettingspref); } return update_record("resource", $resource); } function delete_instance($resource) { // Given an object containing the resource data // this function will permanently delete the instance // and any data that depends on it. $result = true; if (! delete_records("resource", "id", "$resource->id")) { $result = false; } return $result; } } /// end of class definition function resource_add_instance($resource) { global $CFG; $resource->type = clean_param($resource->type, PARAM_SAFEDIR); // Just to be safe require_once("$CFG->dirroot/mod/resource/type/$resource->type/resource.class.php"); $resourceclass = "resource_$resource->type"; $res = new $resourceclass(); return $res->add_instance($resource); } function resource_update_instance($resource) { global $CFG; $resource->type = clean_param($resource->type, PARAM_SAFEDIR); // Just to be safe require_once("$CFG->dirroot/mod/resource/type/$resource->type/resource.class.php"); $resourceclass = "resource_$resource->type"; $res = new $resourceclass(); return $res->update_instance($resource); } function resource_delete_instance($id) { global $CFG; if (! $resource = get_record("resource", "id", "$id")) { return false; } $resource->type = clean_param($resource->type, PARAM_SAFEDIR); // Just to be safe require_once("$CFG->dirroot/mod/resource/type/$resource->type/resource.class.php"); $resourceclass = "resource_$resource->type"; $res = new $resourceclass(); return $res->delete_instance($resource); } function resource_user_outline($course, $user, $mod, $resource) { if ($logs = get_records_select("log", "userid='$user->id' AND module='resource' AND action='view' AND info='$resource->id'", "time ASC")) { $numviews = count($logs); $lastlog = array_pop($logs); $result->info = get_string("numviews", "", $numviews); $result->time = $lastlog->time; return $result; } return NULL; } function resource_user_complete($course, $user, $mod, $resource) { global $CFG; if ($logs = get_records_select("log", "userid='$user->id' AND module='resource' AND action='view' AND info='$resource->id'", "time ASC")) { $numviews = count($logs); $lastlog = array_pop($logs); $strmostrecently = get_string("mostrecently"); $strnumviews = get_string("numviews", "", $numviews); echo "$strnumviews - $strmostrecently ".userdate($lastlog->time); } else { print_string("neverseen", "resource"); } } function resource_get_participants($resourceid) { //Returns the users with data in one resource //(NONE, byt must exists on EVERY mod !!) return false; } function resource_get_coursemodule_info($coursemodule) { /// Given a course_module object, this function returns any /// "extra" information that may be needed when printing /// this activity in a course listing. /// /// See get_array_of_activities() in course/lib.php /// global $CFG; $info = NULL; if ($resource = get_record("resource", "id", $coursemodule->instance)) { if (!empty($resource->popup)) { $info->extra = urlencode("target=\"resource$resource->id\" onclick=\"return ". "openpopup('/mod/resource/view.php?inpopup=true&id=". $coursemodule->id. "','resource$resource->id','$resource->popup');\""); } require_once($CFG->libdir.'/filelib.php'); if ($resource->type == 'file') { $icon = mimeinfo("icon", $resource->reference); if ($icon != 'unknown.gif') { $info->icon ="f/$icon"; } else { $info->icon ="f/web.gif"; } } else if ($resource->type == 'directory') { $info->icon ="f/folder.gif"; } } return $info; } function resource_fetch_remote_file ($cm, $url, $headers = "" ) { /// Snoopy is an HTTP client in PHP global $CFG; require_once("$CFG->libdir/snoopy/Snoopy.class.inc"); $client = new Snoopy(); $ua = 'Moodle/'. $CFG->release . ' (+http://moodle.org'; if ( $CFG->resource_usecache ) { $ua = $ua . ')'; } else { $ua = $ua . '; No cache)'; } $client->agent = $ua; $client->read_timeout = 5; $client->use_gzip = true; if (is_array($headers) ) { $client->rawheaders = $headers; } @$client->fetch($url); if ( $client->status >= 200 && $client->status < 300 ) { $tags = array("A" => "href=", "IMG" => "src=", "LINK" => "href=", "AREA" => "href=", "FRAME" => "src=", "IFRAME" => "src=", "FORM" => "action="); foreach ($tags as $tag => $key) { $prefix = "fetch.php?id=$cm->id&url="; if ( $tag == "IMG" or $tag == "LINK" or $tag == "FORM") { $prefix = ""; } $client->results = resource_redirect_tags($client->results, $url, $tag, $key,$prefix); } } else { if ( $client->status >= 400 && $client->status < 500) { $client->results = get_string("fetchclienterror","resource"); // Client error } elseif ( $client->status >= 500 && $client->status < 600) { $client->results = get_string("fetchservererror","resource"); // Server error } else { $client->results = get_string("fetcherror","resource"); // Redirection? HEAD? Unknown error. } } return $client; } function resource_redirect_tags($text, $url, $tagtoparse, $keytoparse,$prefix = "" ) { $valid = 1; if ( strpos($url,"?") == FALSE ) { $valid = 1; } if ( $valid ) { $lastpoint = strrpos($url,"."); $lastslash = strrpos($url,"/"); if ( $lastpoint > $lastslash ) { $root = substr($url,0,$lastslash+1); } else { $root = $url; } if ( $root == "http://" or $root == "https://") { $root = $url; } if ( substr($root,strlen($root)-1) == '/' ) { $root = substr($root,0,-1); } $mainroot = $root; $lastslash = strrpos($mainroot,"/"); while ( $lastslash > 9) { $mainroot = substr($mainroot,0,$lastslash); $lastslash = strrpos($mainroot,"/"); } $regex = "/<$tagtoparse (.+?)>/is"; $count = preg_match_all($regex, $text, $hrefs); for ( $i = 0; $i < $count; $i++) { $tag = $hrefs[1][$i]; $poshref = strpos(strtolower($tag),strtolower($keytoparse)); $start = $poshref + strlen($keytoparse); $left = substr($tag,0,$start); if ( $tag[$start] == '"' ) { $left .= '"'; $start++; } $posspace = strpos($tag," ", $start+1); $right = ""; if ( $posspace != FALSE) { $right = substr($tag, $posspace); } $end = strlen($tag)-1; if ( $tag[$end] == '"' ) { $right = '"' . $right; } $finalurl = substr($tag,$start,$end-$start+$diff); // Here, we could have these possible values for $finalurl: // file.ext Add current root dir // http://(domain) don't care // http://(domain)/ don't care // http://(domain)/folder don't care // http://(domain)/folder/ don't care // http://(domain)/folder/file.ext don't care // folder/ Add current root dir // folder/file.ext Add current root dir // /folder/ Add main root dir // /folder/file.ext Add main root dir // Special case: If finalurl contains a ?, it won't be parsed $valid = 1; if ( strpos($finalurl,"?") == FALSE ) { $valid = 1; } if ( $valid ) { if ( $finalurl[0] == "/" ) { $finalurl = $mainroot . $finalurl; } elseif ( strtolower(substr($finalurl,0,7)) != "http://" and strtolower(substr($finalurl,0,8)) != "https://") { if ( $finalurl[0] == "/") { $finalurl = $mainroot . $finalurl; } else { $finalurl = "$root/$finalurl"; } } $text = str_replace($tag,"$left$prefix$finalurl$right",$text); } } } return $text; } function resource_is_url($path) { if (strpos($path, '://')) { // eg http:// https:// ftp:// etc return true; } if (strpos($path, '/') === 0) { // Starts with slash return true; } return false; } function resource_get_resource_types() { /// Returns a menu of current resource types, in standard order global $resource_standard_order, $CFG; $resources = array(); /// Standard resource types $standardresources = array('text','html','file','directory'); foreach ($standardresources as $resourcetype) { $resources[$resourcetype] = get_string("resourcetype$resourcetype", 'resource'); } /// Drop-in extra resource types $resourcetypes = get_list_of_plugins('mod/resource/type'); foreach ($resourcetypes as $resourcetype) { if (!empty($CFG->{'resource_hide_'.$resourcetype})) { // Not wanted continue; } if (!in_array($resourcetype, $resources)) { $resources[$resourcetype] = get_string("resourcetype$resourcetype", 'resource'); } } return $resources; } function resource_get_view_actions() { return array('view','view all'); } function resource_get_post_actions() { return array(); } function resource_renamefiles($course, $wdir, $oldname, $name) { global $CFG; $status = '

'.get_string('affectedresources', 'resource').':

'; if ($updates) { echo $status; if (empty($CFG->resource_autofilerename)) { notify(get_string('warningdisabledrename', 'resource')); } } } function resource_delete_warning($course, $files) { global $CFG; $found = array(); foreach($files as $key=>$file) { $files[$key] = trim($file, '/'); } $sql = "SELECT r.id, r.reference, r.name, cm.id AS cmid FROM {$CFG->prefix}resource r, {$CFG->prefix}course_modules cm, {$CFG->prefix}modules m WHERE r.course = '{$course->id}' AND m.name = 'resource' AND cm.module = m.id AND cm.instance = r.id AND (r.type = 'file' OR r.type = 'directory')"; if ($resources = get_records_sql($sql)) { foreach ($resources as $resource) { if ($resource->reference == '') { continue; // top shared directory does not prevent anything } if (in_array($resource->reference, $files)) { $found[$resource->id] = $resource; } else { foreach($files as $file) { if (preg_match('|^'.preg_quote($file, '|').'/|', $resource->reference)) { $found[$resource->id] = $resource; } } } } } if (!empty($found)) { print_simple_box_start("center"); echo '

'.get_string('affectedresources', 'resource').':

'; print_simple_box_end(); return true; } else { return false; } } ?>