PHP ElggFile::open方法代码示例

function form_generate_thumbnail($file, $fieldname)
{
    // Generate thumbnail (if image)
    $prefix = "file/";
    $filestorename = strtolower(time() . $_FILES[$fieldname]['name']);
    if (substr_count($file->getMimeType(), 'image/')) {
        $thumbnail = get_resized_image_from_existing_file($file->getFilenameOnFilestore(), 60, 60, true);
        $thumbsmall = get_resized_image_from_existing_file($file->getFilenameOnFilestore(), 153, 153, true);
        $thumblarge = get_resized_image_from_existing_file($file->getFilenameOnFilestore(), 600, 600, false);
        if ($thumbnail) {
            $thumb = new ElggFile();
            $thumb->setMimeType($_FILES[$fieldname]['type']);
            $thumb->setFilename($prefix . "thumb" . $filestorename);
            $thumb->open("write");
            $thumb->write($thumbnail);
            $thumb->close();
            $file->thumbnail = $prefix . "thumb" . $filestorename;
            $thumb->setFilename($prefix . "smallthumb" . $filestorename);
            $thumb->open("write");
            $thumb->write($thumbsmall);
            $thumb->close();
            $file->smallthumb = $prefix . "smallthumb" . $filestorename;
            $thumb->setFilename($prefix . "largethumb" . $filestorename);
            $thumb->open("write");
            $thumb->write($thumblarge);
            $thumb->close();
            $file->largethumb = $prefix . "largethumb" . $filestorename;
        }
    }
}

function CreateLTIGroup($user, $name, $context_id, $consumer_key)
{
    $group_guid = 0;
    $group = new ElggGroup($group_guid);
    // Set the group properties that we can!
    $group->name = $name;
    $group->context_id = $context_id;
    // This is a unique identifier from the consumer for this context
    $group->consumer_key = $consumer_key;
    // Which consumer is creating this group
    $group->membership = ACCESS_PRIVATE;
    $group->access_id = ACCESS_PUBLIC;
    $group->briefdescription = elgg_echo('LTI:provision:group');
    $consumer_instance = new LTI_Tool_Consumer_Instance($group->consumer_key, elgg_get_config('dbprefix'));
    $context = new LTI_Context($consumer_instance, $group->context_id);
    $group->description = $context->title;
    $group->save();
    $group->join($user);
    // Add images
    $prefix = 'groups/' . $group->guid;
    $filename = GetImage($consumer_key, '.jpg');
    $thumbtiny = get_resized_image_from_existing_file($filename, 25, 25, true);
    $thumbsmall = get_resized_image_from_existing_file($filename, 40, 40, true);
    $thumbmedium = get_resized_image_from_existing_file($filename, 100, 100, true);
    $thumblarge = get_resized_image_from_existing_file($filename, 200, 200, false);
    if ($thumbtiny) {
        $thumb = new ElggFile();
        $thumb->owner_guid = $group->owner_guid;
        $thumb->setMimeType('image/jpeg');
        $thumb->setFilename($prefix . "tiny.jpg");
        $thumb->open("write");
        $thumb->write($thumbtiny);
        $thumb->close();
        $thumb->setFilename($prefix . "small.jpg");
        $thumb->open("write");
        $thumb->write($thumbsmall);
        $thumb->close();
        $thumb->setFilename($prefix . "medium.jpg");
        $thumb->open("write");
        $thumb->write($thumbmedium);
        $thumb->close();
        $thumb->setFilename($prefix . "large.jpg");
        $thumb->open("write");
        $thumb->write($thumblarge);
        $thumb->close();
        $group->icontime = time();
    }
    // return the URL
    return $group;
}

function zhsocial_apply_icon($zh_user, $icon_url)
{
    // 	if($zh_user->icontime)
    // 		return;
    $icon_sizes = elgg_get_config('icon_sizes');
    $prefix = "profile/{$zh_user->guid}";
    $filehandler = new ElggFile();
    $filehandler->owner_guid = $zh_user->guid;
    $filehandler->setFilename($prefix . ".jpg");
    $filehandler->open("write");
    $filehandler->write(file_get_contents($icon_url));
    $filehandler->close();
    $filename = $filehandler->getFilenameOnFilestore();
    $sizes = array('topbar', 'tiny', 'small', 'medium', 'large', 'master');
    $thumbs = array();
    foreach ($sizes as $size) {
        $thumbs[$size] = get_resized_image_from_existing_file($filename, $icon_sizes[$size]['w'], $icon_sizes[$size]['h'], $icon_sizes[$size]['square']);
    }
    if ($thumbs['tiny']) {
        // just checking if resize successful
        $thumb = new ElggFile();
        $thumb->owner_guid = $zh_user->guid;
        $thumb->setMimeType('image/jpeg');
        foreach ($sizes as $size) {
            $thumb->setFilename("{$prefix}{$size}.jpg");
            $thumb->open("write");
            $thumb->write($thumbs[$size]);
            $thumb->close();
        }
        $zh_user->icontime = time();
    }
}

function pleiofile_generate_file_thumbs(ElggObject $file)
{
    if ($file->simpletype != "image") {
        return null;
    }
    $file->icontime = time();
    $sizes = array(60 => "thumb", 153 => "tinythumb", 153 => "smallthumb", 600 => "largethumb");
    $filename = str_replace("file/", "", $file->getFilename());
    foreach ($sizes as $size => $description) {
        if ($size < 600) {
            $upscale = true;
        } else {
            $upscale = false;
        }
        $thumbnail = get_resized_image_from_existing_file($file->getFilenameOnFilestore(), $size, $size, $upscale);
        if ($thumbnail) {
            $path = "file/" . $description . "_" . $filename;
            $thumb = new ElggFile();
            $thumb->setMimeType($_FILES['upload']['type']);
            $thumb->setFilename($path);
            $thumb->open("write");
            $thumb->write($thumbnail);
            $thumb->close();
            if ($description == "thumb") {
                $file->thumbnail = $path;
            } else {
                $file->{$description} = $path;
            }
            unset($thumbnail);
        }
    }
}

 /**
  * Save the wiard steps to disk (because of DB limits)
  *
  * @param string[] $steps the wizard steps
  *
  * @return void
  */
 public function saveSteps($steps)
 {
     if (!is_array($steps)) {
         $steps = array($steps);
     }
     $fh = new ElggFile();
     $fh->owner_guid = $this->getGUID();
     $fh->setFilename('steps.json');
     $fh->open('write');
     $fh->write(json_encode($steps));
     $fh->close();
 }

function uploadCK($page, $identifier, $obj)
{
    $funcNum2 = get_Input('CKEditorFuncNum', 'CKEditorFuncNum');
    $file = new ElggFile();
    $filestorename = strtolower(time() . $_FILES['upload']['name']);
    $file->setFilename($filestorename);
    $file->setMimeType($_FILES['upload']['type']);
    $file->owner_guid = elgg_get_logged_in_user_guid();
    $file->subtype = "file";
    $file->originalfilename = $filestorename;
    $file->access_id = ACCESS_PUBLIC;
    $file->open("write");
    $file->write(get_uploaded_file('upload'));
    $file->close();
    $result = $file->save();
    if ($result) {
        $master = get_resized_image_from_existing_file($file->getFilenameOnFilestore(), 550, 550);
        if ($master !== false) {
            $_SESSION['UPLOAD_DATA']['file_save'] = "started";
            $filehandler = new ElggFile();
            $filehandler->setFilename($filestorename);
            $filehandler->setMimeType($_FILES['upload']['type']);
            $filehandler->owner_guid = $user->guid;
            $filehandler->subtype = "file";
            $filehandler->originalfilename = $filestorename;
            $filehandler->access_id = ACCESS_PUBLIC;
            $filehandler->open("write");
            $filehandler->write($master);
            $filehandler->close();
            $filehandler->save();
            // Dev URL
            $url = elgg_get_site_url() . 'CKEditorView?file_guid=' . $filehandler->guid;
            //Production URL
            //$url ='/CKEditorView?file_guid='.$filehandler->guid;
            echo '<script type="text/javascript">
		window.parent.CKEDITOR.tools.callFunction(' . $funcNum2 . ', "' . $url . '","");
		</script>';
            exit;
        } else {
            echo '<script type="text/javascript">
		window.parent.CKEDITOR.tools.callFunction(' . $funcNum2 . ', "","");
		</script>';
            exit;
        }
    }
    return true;
}

 public function uploadIcon($size, $contents)
 {
     $result = false;
     if (in_array($size, $this->icon_sizes) && !empty($contents)) {
         $this->username = $this->guid;
         $icon = new ElggFile();
         $icon->owner_guid = $this->guid;
         $icon->setFilename("subsite_manager/" . $this->guid . "/subsite_icon/" . $size . ".jpg");
         $icon->open("write");
         $icon->write($contents);
         $icon->close();
         $this->icontime = time();
         unset($this->username);
         if ($this->save()) {
             $result = true;
         }
     }
     return $result;
 }

/**
 * Downloads the thumbnail and saves into data folder
 *
 * @param ElggObject $item
 * @return bool
 */
function videolist_2012022501($item)
{
    // do not upgrade videos that have already been upgraded
    if ($item->thumbnail === true) {
        return true;
    }
    $thumbnail = file_get_contents($item->thumbnail);
    if (!$thumbnail) {
        return false;
    }
    $prefix = "videolist/" . $item->guid;
    $filehandler = new ElggFile();
    $filehandler->owner_guid = $item->owner_guid;
    $filehandler->setFilename($prefix . ".jpg");
    $filehandler->open("write");
    $filehandler->write($thumbnail);
    $filehandler->close();
    $item->thumbnail = true;
    return true;
}

 function testElggFileDelete()
 {
     global $CONFIG;
     $user = $this->createTestUser();
     $filestore = $this->filestore;
     $dir = new \Elgg\EntityDirLocator($user->guid);
     $file = new \ElggFile();
     $file->owner_guid = $user->guid;
     $file->setFilename('testing/ElggFileDelete');
     $this->assertTrue($file->open('write'));
     $this->assertTrue($file->write('Test'));
     $this->assertTrue($file->close());
     $file->save();
     $filename = $file->getFilenameOnFilestore($file);
     $filepath = $CONFIG->dataroot . $dir . "testing/ElggFileDelete";
     $this->assertIdentical($filename, $filepath);
     $this->assertTrue(file_exists($filepath));
     $this->assertTrue($file->delete());
     $this->assertFalse(file_exists($filepath));
     $user->delete();
 }

 protected function saveThumbnail($image, $name)
 {
     try {
         $thumbnail = get_resized_image_from_existing_file($image->getFilenameOnFilestore(), 60, 60, true);
     } catch (Exception $e) {
         return FALSE;
     }
     $thumb = new ElggFile();
     $thumb->setMimeType('image/jpeg');
     $thumb->access_id = $this->access_id;
     $thumb->setFilename($name);
     $thumb->open("write");
     $thumb->write($thumbnail);
     $thumb->save();
     $image->thumbnail_guid = $thumb->getGUID();
     if (!$thumb->getGUID()) {
         $thumb->delete();
         return FALSE;
     }
     return TRUE;
 }

 public function testFilenameOnFilestore()
 {
     global $CONFIG;
     // create a user to own the file
     $user = $this->createTestUser();
     $created = date('Y/m/d', $user->time_created);
     // setup a test file
     $file = new ElggFile();
     $file->owner_guid = $user->guid;
     $file->setFilename('testing/filestore.txt');
     $file->open('write');
     $file->write('Testing!');
     $this->assertTrue($file->close());
     // ensure filename and path is expected
     $filename = $file->getFilenameOnFilestore($file);
     $filepath = "{$CONFIG->dataroot}{$created}/{$user->guid}/testing/filestore.txt";
     $this->assertIdentical($filename, $filepath);
     $this->assertTrue(file_exists($filepath));
     // ensure file removed on user delete
     $user->delete();
     $this->assertFalse(file_exists($filepath));
 }

/**
 * Downloads the thumbnail and saves into data folder
 *
 * @param ElggObject $item
 * @return bool
 */
function videolist_2012022501($item)
{
    require_once elgg_get_plugins_path() . 'upgrade-tools/lib/upgrade_tools.php';
    // get thumbnail image
    $thumbnail = file_get_contents($item->thumbnail);
    if (!$thumbnail) {
        return false;
    }
    $prefix = "videolist/" . $item->guid;
    $filehandler = new ElggFile();
    $filehandler->owner_guid = $item->owner_guid;
    $filehandler->setFilename($prefix . ".jpg");
    $filehandler->open("write");
    $filehandler->write($thumbnail);
    $filehandler->close();
    // update properties
    if ($item->url) {
        $item->video_url = $item->url;
        $item->deleteMetadata('url');
    }
    if ($item->desc) {
        $item->description = $item->desc;
        $item->deleteMetadata('desc');
        $item->save();
    }
    if ($item->embedurl) {
        $item->deleteMetadata('embedurl');
    }
    upgrade_change_subtype($item, 'videolist_item');
    // update river
    $options = array('object_guid' => $item->guid);
    $river_items = elgg_get_river($options);
    foreach ($river_items as $river_item) {
        if ($river_item->action_type == 'create') {
            upgrade_update_river($river_item->id, 'river/object/videolist_item/create', $item->guid, 0);
        }
    }
    return true;
}

/**
 * Cache the tangram vacancy xml
 *
 * @return void
 */
function haarlem_tangram_cache_xml()
{
    $last_try = (int) haarlem_tangram_get_setting('tangram_last_update');
    $tangram_url = haarlem_tangram_get_setting('tangram_url');
    if (empty($tangram_url)) {
        return;
    }
    if ($last_try > time() - 60 * 60) {
        // prevent deadloop tries
        return;
    }
    // store last try to prevent deadloops
    elgg_set_plugin_setting('tangram_last_update', time(), 'haarlem_tangram');
    // prepare cURL call
    $ch = curl_init($tangram_url);
    // settings
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    // do the request
    $content = curl_exec($ch);
    $curl_info = curl_getinfo($ch);
    // close curl
    curl_close($ch);
    // verify output
    if (elgg_extract('http_code', $curl_info) !== 200 || stristr(elgg_extract('content_type', $curl_info), 'text/xml') === false) {
        // something went wrong
        return;
    }
    // save output
    $plugin = elgg_get_plugin_from_id('haarlem_tangram');
    $fh = new ElggFile();
    $fh->owner_guid = $plugin->getGUID();
    $fh->setFilename('tangram.xml');
    $fh->open('write');
    $fh->write($content);
    $fh->close();
    // set last success update
    elgg_set_plugin_setting('tangram_last_update_success', time(), 'haarlem_tangram');
}

 function testDetectMimeType()
 {
     $user = $this->createTestUser();
     $file = new \ElggFile();
     $file->owner_guid = $user->guid;
     $file->setFilename('testing/filestore.txt');
     $file->open('write');
     $file->write('Testing!');
     $file->close();
     $mime = $file->detectMimeType(null, 'text/plain');
     // mime should not be null if default is set
     $this->assertTrue(isset($mime));
     // mime of a file object should match mime of a file path that represents this file on filestore
     $resource_mime = $file->detectMimeType($file->getFilenameOnFilestore(), 'text/plain');
     $this->assertIdentical($mime, $resource_mime);
     // calling detectMimeType statically raises strict policy warning
     // @todo: remove this once a new static method has been implemented
     error_reporting(E_ALL & ~E_STRICT & ~E_DEPRECATED);
     // method output should not differ between a static and a concrete call if the file path is set
     $resource_mime_static = \ElggFile::detectMimeType($file->getFilenameOnFilestore(), 'text/plain');
     $this->assertIdentical($resource_mime, $resource_mime_static);
     error_reporting(E_ALL);
     $user->delete();
 }

function create_file($container_guid, $title, $desc, $access_id, $guid, $tags, $new_file)
{
    // register_error("Creating file: " . $container_guid . ", vars: " . print_r(array($title, $desc, $access_id, $guid, $tags, $new_file), true));
    if ($new_file) {
        // must have a file if a new file upload
        if (empty($_FILES['upload']['name'])) {
            // cache information in session
            $_SESSION['uploadtitle'] = $title;
            $_SESSION['uploaddesc'] = $desc;
            $_SESSION['uploadtags'] = $tags;
            $_SESSION['uploadaccessid'] = $access_id;
            register_error(elgg_echo('file:nofile') . "no file new");
            forward($_SERVER['HTTP_REFERER']);
        }
        $file = new FilePluginFile();
        $file->subtype = "file";
        // if no title on new upload, grab filename
        if (empty($title)) {
            $title = $_FILES['upload']['name'];
        }
    } else {
        // load original file object
        $file = get_entity($guid);
        if (!$file) {
            register_error(elgg_echo('file:cannotload') . 'can"t load existing');
            forward($_SERVER['HTTP_REFERER']);
        }
        // user must be able to edit file
        if (!$file->canEdit()) {
            register_error(elgg_echo('file:noaccess') . 'no access to existing');
            forward($_SERVER['HTTP_REFERER']);
        }
    }
    $file->title = $title;
    $file->description = $desc;
    $file->access_id = $access_id;
    $file->container_guid = $container_guid;
    $tags = explode(",", $tags);
    $file->tags = $tags;
    // we have a file upload, so process it
    if (isset($_FILES['upload']['name']) && !empty($_FILES['upload']['name'])) {
        $prefix = "file/";
        // if previous file, delete it
        if ($new_file == false) {
            $filename = $file->getFilenameOnFilestore();
            if (file_exists($filename)) {
                unlink($filename);
            }
            // use same filename on the disk - ensures thumbnails are overwritten
            $filestorename = $file->getFilename();
            $filestorename = elgg_substr($filestorename, elgg_strlen($prefix));
        } else {
            $filestorename = elgg_strtolower(time() . $_FILES['upload']['name']);
        }
        $file->setFilename($prefix . $filestorename);
        $file->setMimeType($_FILES['upload']['type']);
        $file->originalfilename = $_FILES['upload']['name'];
        $file->simpletype = get_general_file_type($_FILES['upload']['type']);
        $file->open("write");
        $file->write(get_uploaded_file('upload'));
        $file->close();
        $guid = $file->save();
        // if image, we need to create thumbnails (this should be moved into a function)
        if ($guid && $file->simpletype == "image") {
            $thumbnail = get_resized_image_from_existing_file($file->getFilenameOnFilestore(), 60, 60, true);
            if ($thumbnail) {
                $thumb = new ElggFile();
                $thumb->setMimeType($_FILES['upload']['type']);
                $thumb->setFilename($prefix . "thumb" . $filestorename);
                $thumb->open("write");
                $thumb->write($thumbnail);
                $thumb->close();
                $file->thumbnail = $prefix . "thumb" . $filestorename;
                unset($thumbnail);
            }
            $thumbsmall = get_resized_image_from_existing_file($file->getFilenameOnFilestore(), 153, 153, true);
            if ($thumbsmall) {
                $thumb->setFilename($prefix . "smallthumb" . $filestorename);
                $thumb->open("write");
                $thumb->write($thumbsmall);
                $thumb->close();
                $file->smallthumb = $prefix . "smallthumb" . $filestorename;
                unset($thumbsmall);
            }
            $thumblarge = get_resized_image_from_existing_file($file->getFilenameOnFilestore(), 600, 600, false);
            if ($thumblarge) {
                $thumb->setFilename($prefix . "largethumb" . $filestorename);
                $thumb->open("write");
                $thumb->write($thumblarge);
                $thumb->close();
                $file->largethumb = $prefix . "largethumb" . $filestorename;
                unset($thumblarge);
            }
        }
    } else {
        // not saving a file but still need to save the entity to push attributes to database
        $file->save();
    }
    return array($file, $guid);
}