ilUploadFiles Class Reference

Collaboration diagram for ilUploadFiles:

Static Public Member Functions
static	_getUploadDirectory ()
	Get the directory with uploaded files. More...
static	_getUploadFiles ()
	Get a list of readable files in the upload directory. More...
static	_checkUploadFile ($a_file)
	Check if a file exists in the upload directory and is readable. More...
static	_copyUploadFile ($a_file, $a_target, $a_raise_errors=true)
	copy an uploaded file to the target directory (including virus check) More...

Detailed Description

Author

Fred Neumann fred..nosp@m.neum.nosp@m.ann@f.nosp@m.im.u.nosp@m.ni-er.nosp@m.lang.nosp@m.en.de

Version

$Id$

Definition at line 33 of file class.ilUploadFiles.php.

Member Function Documentation

_checkUploadFile()

static ilUploadFiles::_checkUploadFile (   $a_file )

static

Check if a file exists in the upload directory and is readable.

Parameters

string

file name

Returns

boolean true/false static

Definition at line 103 of file class.ilUploadFiles.php.

Referenced by ilObjCmiXapiGUI\afterSave(), ilObjSCORMLearningModuleGUI\newModuleVersionUpload(), ilFileSystemGUI\uploadFile(), and ilObjSAHSLearningModuleGUI\uploadObject().

    {
        $files = self::_getUploadFiles();
        
        return in_array($a_file, $files);
    }

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_copyUploadFile()

static ilUploadFiles::_copyUploadFile (   $a_file,   $a_target,   $a_raise_errors = true  )

static

copy an uploaded file to the target directory (including virus check)

Parameters

string	file name
string	target path and name

Returns

boolean true/false static

Definition at line 118 of file class.ilUploadFiles.php.

References $DIC, $lng, ilUtil\sendFailure(), ilUtil\sendInfo(), and ilUtil\virusHandling().

Referenced by ilObjSCORMLearningModuleGUI\newModuleVersionUpload(), ilFileSystemGUI\uploadFile(), and ilObjSAHSLearningModuleGUI\uploadObject().

    {
        global $DIC;
        $lng = $DIC['lng'];
        $ilias = $DIC['ilias'];

        $file = self::_getUploadDirectory() . "/" . $a_file;

        // check if file exists
        if (!is_file($file)) {
            if ($a_raise_errors) {
                $ilias->raiseError($lng->txt("upload_error_file_not_found"), $ilias->error_obj->MESSAGE);
            } else {
                ilUtil::sendFailure($lng->txt("upload_error_file_not_found"), true);
            }
            return false;
        }

        // virus handling
        $vir = ilUtil::virusHandling($file, $a_file);
        if (!$vir[0]) {
            if ($a_raise_errors) {
                $ilias->raiseError(
                    $lng->txt("file_is_infected") . "<br />" .
                    $vir[1],
                    $ilias->error_obj->MESSAGE
                );
            } else {
                ilUtil::sendFailure($lng->txt("file_is_infected") . "<br />" .
                    $vir[1], true);
            }
            return false;
        } else {
            if ($vir[1] != "") {
                ilUtil::sendInfo($vir[1], true);
            }
            return copy($file, $a_target);
        }
    }

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_getUploadDirectory()

static ilUploadFiles::_getUploadDirectory ( )

static

Get the directory with uploaded files.

The directory is configured as cont_upload_dir in the settings table. The directory must exist and have read permissions. Currently the user must have admin permissions in ILIAS. Later there may be different directories for different users/roles.

Returns

string full path of upload directory on the server or empty static

Definition at line 46 of file class.ilUploadFiles.php.

References $DIC, Vendor\Package\$e, $lm_set, SYSTEM_FOLDER_ID, and ilImportDirectoryFactory\TYPE_SAHS.

Referenced by ilObjCmiXapiGUI\afterSave(), ilObjCmiXapiGUI\initCreateForm(), ilObjSAHSLearningModuleGUI\initUploadForm(), ilFileSystemGUI\listFiles(), and ilObjSCORMLearningModuleGUI\newModuleVersion().

    {
        global $DIC;
        $rbacsystem = $DIC['rbacsystem'];
        
        if (!$rbacsystem->checkAccess('write', SYSTEM_FOLDER_ID)) {
            return '';
        }

        $lm_set = new ilSetting("lm");
        $upload_dir = $lm_set->get("cont_upload_dir");

        $web_directory = $DIC->filesystem()->storage();
        $import_file_factory = new ilImportDirectoryFactory($web_directory);
        try {
            $scorm_import_directory = $import_file_factory->getInstanceForComponent(ilImportDirectoryFactory::TYPE_SAHS);
        } catch (InvalidArgumentException $e) {
            return '';
        }
        return $scorm_import_directory->getAbsolutePath();
    }

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_getUploadFiles()

static ilUploadFiles::_getUploadFiles ( )

static

Get a list of readable files in the upload directory.

Returns

array list of file names (without path) static

Definition at line 74 of file class.ilUploadFiles.php.

Referenced by ilObjCmiXapiGUI\initCreateForm(), ilObjSAHSLearningModuleGUI\initUploadForm(), ilFileSystemGUI\listFiles(), and ilObjSCORMLearningModuleGUI\newModuleVersion().

    {
        if (!$upload_dir = self::_getUploadDirectory()) {
            return array();
        }

        // get the sorted content of the upload directory
        $handle = opendir($upload_dir);
        $files = array();
        while (false !== ($file = readdir($handle))) {
            $full_path = $upload_dir . "/" . $file;
            if (is_file($full_path) and is_readable($full_path)) {
                $files[] = $file;
            }
        }
        closedir($handle);
        sort($files);
        reset($files);
        
        return $files;
    }

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The documentation for this class was generated from the following file:

• Services/FileSystem/classes/class.ilUploadFiles.php