This class handles all operations on files (attachments) in directory ilias_data/mail. More...

Inheritance diagram for ilFileDataMail:

Collaboration diagram for ilFileDataMail:

Public Member Functions
	__construct ($a_user_id=0)
	Constructor call base constructors checks if directory is writable and sets the optional user_id. More...

	initDirectory ()
	init directory overwritten method @access public More...

	getUploadLimit ()

	getAttachmentsTotalSizeLimit ()

	getMailPath ()
	get mail path @access public More...

	getAttachmentPathByMD5Filename ($a_filename, $a_mail_id)
	get the path of a specific attachment More...

	getAttachmentPath ($a_filename, $a_mail_id)
	get the path of a specific attachment More...

	adoptAttachments ($a_attachments, $a_mail_id)
	adopt attachments (in case of forwarding a mail) More...

	checkReadWrite ()
	check if directory is writable overwritten method from base class @access private More...

	getUserFilesData ()
	get all attachments of a specific user @access public More...

	storeAsAttachment ($a_filename, $a_content)
	Store content as attachment. More...

	storeUploadedFile ($file)

	copyAttachmentFile ($a_abs_path, $a_new_name)
	Copy files in mail directory. More...

	rotateFiles ($a_path)
	rotate files with same name recursive method More...

	unlinkFiles ($a_filenames)
	unlink files: expects an array of filenames e.g. More...

	unlinkFile ($a_filename)
	unlink one uploaded file expects a filename e.g 'foo' More...

	getAbsolutePath ($a_path)
	get absolute path of filename More...

	saveFiles ($a_mail_id, $a_attachments)
	save all attachment files in a specific mail directory .../mail/<calculated_path>/mail_<mail_id>_<user_id>/... More...

	saveFile ($a_mail_id, $a_attachment)
	save attachment file in a specific mail directory .../mail/<calculated_path>/mail_<mail_id>_<user_id>/... More...

	checkFilesExist ($a_files)
	check if files exist More...

	assignAttachmentsToDirectory ($a_mail_id, $a_sent_mail_id)
	assign attachments to mail directory More...

	deassignAttachmentFromDirectory ($a_mail_id)
	dassign attachments from mail directory More...

	__deleteAttachmentDirectory ($a_rel_path)

	_lookupDiskUsageOfUser ($user_id)
	Returns the number of bytes used on the harddisk for mail attachments, by the user with the specified user id. More...

Public Member Functions inherited from ilFileData
	ilFileData ()
	Constructor class bas constructor and read path of directory from ilias.ini setup an mail object @access public. More...

	checkPath ($a_path)
	check if path exists and is writable More...

	getPath ()
	get Path @access public More...

Public Member Functions inherited from ilFile
	ilFile ()
	Constructor get ilias object @access public. More...

	deleteTrailingSlash ($a_path)
	delete trailing slash of path variables More...

Static Public Member Functions
static	getStorage ($a_mail_id, $a_usr_id)

Data Fields
	$user_id

	$mail_path

Data Fields inherited from ilFile
	$path

	$ilias

Protected Member Functions
	initAttachmentMaxUploadSize ()

Protected Attributes
	$mail_max_upload_file_size

Detailed Description

This class handles all operations on files (attachments) in directory ilias_data/mail.

Author: Stefan Meyer meyer.nosp@m.@lei.nosp@m.fos.c.nosp@m.om

Version: $Id$ Class ilFileDataMail

Definition at line 18 of file class.ilFileDataMail.php.

Constructor & Destructor Documentation

◆ __construct()

ilFileDataMail::__construct ( $a_user_id = 0 )

Constructor call base constructors checks if directory is writable and sets the optional user_id.

Parameters

integereger user_id @access public

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

        {
                define('MAILPATH','mail');
                parent::__construct();
                $this->mail_path = parent::getPath()."/".MAILPATH;
                $this->checkReadWrite();
                $this->user_id = $a_user_id;
 
                $this->initAttachmentMaxUploadSize();
        }

References checkReadWrite(), and initAttachmentMaxUploadSize().

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Member Function Documentation

◆ __deleteAttachmentDirectory()

ilFileDataMail::__deleteAttachmentDirectory ( $a_rel_path )

Definition at line 548 of file class.ilFileDataMail.php.

        {
                ilUtil::delDir($this->mail_path."/".$a_rel_path);               
                
                return true;
        }

References ilUtil\delDir().

Referenced by deassignAttachmentFromDirectory().

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◆ _lookupDiskUsageOfUser()

ilFileDataMail::_lookupDiskUsageOfUser ( $user_id )

Returns the number of bytes used on the harddisk for mail attachments, by the user with the specified user id.

Parameters

int user id.

Returns: array{'count'=>integer,'size'=>integer} // an associative array with the disk // usage in bytes and the count of attachments.

Definition at line 600 of file class.ilFileDataMail.php.

        {
                // XXX - This method is extremely slow. We should
                // use a cache to speed it up, for example, we should
                // store the disk space used in table mail_attachment.
                global $ilDB, $lng;
 
                $mail_data_dir = ilUtil::getDataDir('filesystem').DIRECTORY_SEPARATOR."mail";
 
                $q = "SELECT path ".
                        "FROM mail_attachment ma ".
                        "JOIN mail m ON ma.mail_id=m.mail_id ".
                        "WHERE m.user_id = ".$ilDB->quote($user_id);
                $result_set = $ilDB->query($q);
                $size = 0;
                $count = 0;
                while($row = $result_set->fetchRow(DB_FETCHMODE_ASSOC))
                {
                        $attachment_path = $mail_data_dir.DIRECTORY_SEPARATOR.$row['path'];
                        $attachment_size = ilUtil::dirsize($attachment_path);
                        if ($attachment_size != -1)
                        {
                                $size += $attachment_size;
                        }
                        $count++;
                }
                return array('count'=>$count, 'size'=>$size);
        }

References $ilDB, $lng, $row, $size, $user_id, DB_FETCHMODE_ASSOC, ilUtil\dirsize(), and ilUtil\getDataDir().

Referenced by ilObjMailAccess\_lookupDiskUsageOfUser().

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◆ adoptAttachments()

ilFileDataMail::adoptAttachments	(	$a_attachments,
		$a_mail_id
	)

adopt attachments (in case of forwarding a mail)

Parameters

array	attachments
integer	mail_id @access public

Returns: string error message

Definition at line 196 of file class.ilFileDataMail.php.

        {
                if(is_array($a_attachments))
                {
                        foreach($a_attachments as $file)
                        {
                                $path = $this->getAttachmentPath($file,$a_mail_id);
                                if(!copy($path,$this->getMailPath().'/'.$this->user_id.'_'.$file))
                                {
                                        return "ERROR: $this->getMailPath().'/'.$this->user_id.'_'.$file cannot be created";
                                }
                        }
                }
                else
                {
                        return "ARRAY REQUIRED";
                }
                return '';
        }

References $file, ilFile\$path, getAttachmentPath(), and getMailPath().

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◆ assignAttachmentsToDirectory()

ilFileDataMail::assignAttachmentsToDirectory	(	$a_mail_id,
		$a_sent_mail_id
	)

assign attachments to mail directory

Parameters

integer	mail_id
integer	key for directory assignment @access public

Returns: bool

Definition at line 490 of file class.ilFileDataMail.php.

        {
                global $ilDB;
                
/*              $query = "INSERT INTO mail_attachment ".
                        "SET mail_id = ".$ilDB->quote($a_mail_id).", ".
                        "path = ".$ilDB->quote($this->user_id."_".$a_sent_mail_id)." ";
                $res = $this->ilias->db->query($query);
*/
 
                $oStorage = self::getStorage($a_sent_mail_id, $this->user_id);
                $res = $ilDB->manipulateF('
                        INSERT INTO mail_attachment 
                        ( mail_id, path) VALUES (%s, %s)',
                        array('integer', 'text'),
                        array($a_mail_id, $oStorage->getRelativePathExMailDirectory())
                ); 
                                
        }

References $ilDB, $res, and getStorage().

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◆ checkFilesExist()

ilFileDataMail::checkFilesExist ( $a_files )

check if files exist

Parameters

array filenames to check @access public

Returns: bool

Definition at line 468 of file class.ilFileDataMail.php.

        {
                if($a_files)
                {
                        foreach($a_files as $file)
                        {
                                if(!file_exists($this->mail_path.'/'.$this->user_id.'_'.$file))
                                {
                                        return false;
                                }
                        }
                        return true;
                }
                return true;
        }

References $file.

◆ checkReadWrite()

ilFileDataMail::checkReadWrite ( )

check if directory is writable overwritten method from base class @access private

Returns: bool

Definition at line 222 of file class.ilFileDataMail.php.

        {
                if(is_writable($this->mail_path) && is_readable($this->mail_path))
                {
                        return true;
                }
                else
                {
                        $this->ilias->raiseError("Mail directory is not readable/writable by webserver: ".$this->mail_path,$this->ilias->error_obj->FATAL);
                }
        }

Referenced by __construct().

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◆ copyAttachmentFile()

ilFileDataMail::copyAttachmentFile	(	$a_abs_path,
		$a_new_name
	)

Copy files in mail directory.

This is used for sending ILIAS generated mails with attachments

Parameters

array Array with files. Absolute path required @access public

Returns

Definition at line 329 of file class.ilFileDataMail.php.

        {
                @copy($a_abs_path,$this->getMailPath()."/".$this->user_id."_".$a_new_name);
                
                return true;
        }

References getMailPath().

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◆ deassignAttachmentFromDirectory()

ilFileDataMail::deassignAttachmentFromDirectory ( $a_mail_id )

dassign attachments from mail directory

Parameters

integer mail_id @access public

Returns: bool

Definition at line 515 of file class.ilFileDataMail.php.

        {
                global $ilDB;
                // IF IT'S THE LAST MAIL CONTAINING THESE ATTACHMENTS => DELETE ATTACHMENTS
                $res = $ilDB->query("SELECT path FROM mail_attachment
                                WHERE mail_id = ".$ilDB->quote($a_mail_id,'integer'));
        
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        $path = $row->path;
                }
                if($path)
                {
                        $res = $ilDB->query("SELECT COUNT(mail_id) count_mail_id FROM mail_attachment 
                                        WHERE path = ".$ilDB->quote($path,'text')) ;
                        
                        while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                        {
                                $cnt_mail_id = $row->count_mail_id;
                        }
                        if($cnt_mail_id == 1)
                        {
                                $this->__deleteAttachmentDirectory($path);
                        }
                }
 
                $res = $ilDB->manipulateF("DELETE FROM mail_attachment 
                                WHERE mail_id = %s",
                                array('integer'),
                                array($a_mail_id));
                return true;
        }

References $ilDB, ilFile\$path, $res, $row, __deleteAttachmentDirectory(), and DB_FETCHMODE_OBJECT.

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◆ getAbsolutePath()

ilFileDataMail::getAbsolutePath ( $a_path )

get absolute path of filename

Parameters

string relative path @access public

Returns: string absolute path

Definition at line 393 of file class.ilFileDataMail.php.

        {
                return $this->mail_path.'/'.$this->user_id.'_'.$a_path;
        }

◆ getAttachmentPath()

ilFileDataMail::getAttachmentPath	(	$a_filename,
		$a_mail_id
	)

get the path of a specific attachment

Parameters

string	filename
integer	mail_id @access public

Returns: string path

Definition at line 161 of file class.ilFileDataMail.php.

        {
                global $ilDB;
                
/*              $query = "SELECT path FROM mail_attachment ".
                        "WHERE mail_id = ".$ilDB->quote($a_mail_id)."";
                
                $row = $this->ilias->db->getRow($query,DB_FETCHMODE_OBJECT);
                $path = $this->getMailPath().'/'.$row->path.'/'.$a_filename;
*/
                $query = $ilDB->query("SELECT path FROM mail_attachment ".
                        "WHERE mail_id = ".$ilDB->quote($a_mail_id, 'integer')."");
 
                while($row = $ilDB->fetchObject($query))
                {
                        $path = $this->getMailPath().'/'.$row->path.'/'.$a_filename;                    
                }
                        
                if(file_exists($path))
                {
                        if(is_readable($path))
                        {
                                return $path;
                        }
                        return '';
                }
                return '';
        }

References $ilDB, ilFile\$path, $query, $row, and getMailPath().

Referenced by adoptAttachments().

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◆ getAttachmentPathByMD5Filename()

ilFileDataMail::getAttachmentPathByMD5Filename	(	$a_filename,
		$a_mail_id
	)

get the path of a specific attachment

Parameters

string	md5 encrypted filename
integer	mail_id @access public

Returns: string path

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

        {
                global $ilDB;
                
/*              $query = "SELECT path FROM mail_attachment ".
                        "WHERE mail_id = ".$ilDB->quote($a_mail_id)."";
                
                $row = $this->ilias->db->getRow($query,DB_FETCHMODE_OBJECT);
                $path = $this->getMailPath().'/'.$row->path;
*/
                $query = $ilDB->query("SELECT path FROM mail_attachment 
                                  WHERE mail_id = ".$ilDB->quote($a_mail_id,'integer')."");
                
                $rel_path = "";
                while($row = $ilDB->fetchObject($query))
                {
                        $rel_path = $row->path;
                        $path = $this->getMailPath().'/'.$row->path;
 
                }
 
                $files = ilUtil::getDir($path);
                foreach((array)$files as $file)
                {
                        if($file['type'] == 'file' && md5($file['entry']) == $a_filename)
                        {
                                return array(
                                        'path' => $this->getMailPath().'/'.$rel_path.'/'.$file['entry'],
                                        'filename' => $file['entry']
                                );
                        }
                }
                return '';
        }

References $file, $ilDB, ilFile\$path, $query, $row, ilUtil\getDir(), and getMailPath().

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◆ getAttachmentsTotalSizeLimit()

ilFileDataMail::getAttachmentsTotalSizeLimit ( )

Returns: float|null

Definition at line 90 of file class.ilFileDataMail.php.

        {
                $max_size = $this->ilias->getSetting('mail_maxsize_attach', '');
                if(!strlen($max_size))
                {
                        return null;
                }
 
                return (float)$this->ilias->getSetting('mail_maxsize_attach', 0) * 1024;
        }

◆ getMailPath()

ilFileDataMail::getMailPath ( )

get mail path @access public

Returns: string path

Definition at line 106 of file class.ilFileDataMail.php.

        {
                return $this->mail_path;
        }

References $mail_path.

Referenced by adoptAttachments(), copyAttachmentFile(), getAttachmentPath(), getAttachmentPathByMD5Filename(), storeAsAttachment(), and storeUploadedFile().

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◆ getStorage()

static ilFileDataMail::getStorage	(	$a_mail_id,
		$a_usr_id
	)

static

Definition at line 428 of file class.ilFileDataMail.php.

        {
                static $fsstorage_cache = array();
                
                if(!is_object($fsstorage_cache[$a_mail_id][$a_usr_id]))
                {
                        include_once 'Services/Mail/classes/class.ilFSStorageMail.php';
                        $fsstorage_cache[$a_mail_id][$a_usr_id] = new ilFSStorageMail($a_mail_id, $a_usr_id);
                } 
                
                return $fsstorage_cache[$a_mail_id][$a_usr_id];
        }

Referenced by assignAttachmentsToDirectory(), and saveFile().

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◆ getUploadLimit()

ilFileDataMail::getUploadLimit ( )

Returns: int

Definition at line 82 of file class.ilFileDataMail.php.

        {
                return $this->mail_max_upload_file_size;
        }

References $mail_max_upload_file_size.

Referenced by storeAsAttachment().

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◆ getUserFilesData()

ilFileDataMail::getUserFilesData ( )

get all attachments of a specific user @access public

Returns: array

Definition at line 238 of file class.ilFileDataMail.php.

        {
                return $this->getUnsentFiles();
        }

◆ initAttachmentMaxUploadSize()

ilFileDataMail::initAttachmentMaxUploadSize ( )

protected

Todo:: mjansen: Unfortunately we cannot reuse the implementation of ilFileInputGUI

Definition at line 558 of file class.ilFileDataMail.php.

        {
                // Copy of ilFileInputGUI: begin
                // get the value for the maximal uploadable filesize from the php.ini (if available)
                $umf = ini_get("upload_max_filesize");
                // get the value for the maximal post data from the php.ini (if available)
                $pms = ini_get("post_max_size");
 
                //convert from short-string representation to "real" bytes
                $multiplier_a = array("K" => 1024, "M" => 1024 * 1024, "G" => 1024 * 1024 * 1024);
 
                $umf_parts = preg_split("/(\d+)([K|G|M])/", $umf, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
                $pms_parts = preg_split("/(\d+)([K|G|M])/", $pms, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
 
                if(count($umf_parts) == 2)
                {
                        $umf = $umf_parts[0] * $multiplier_a[$umf_parts[1]];
                }
                if(count($pms_parts) == 2)
                {
                        $pms = $pms_parts[0] * $multiplier_a[$pms_parts[1]];
                }
 
                // use the smaller one as limit
                $max_filesize = min($umf, $pms);
 
                if(!$max_filesize) $max_filesize = max($umf, $pms);
                // Copy of ilFileInputGUI: end
 
                $this->mail_max_upload_file_size = $max_filesize;
        }

References PREG_SPLIT_DELIM_CAPTURE.

Referenced by __construct().

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◆ initDirectory()

ilFileDataMail::initDirectory ( )

init directory overwritten method @access public

Returns: string path

Definition at line 63 of file class.ilFileDataMail.php.

        {
                if(is_writable($this->getPath()))
                {
                        if(mkdir($this->getPath().'/'.MAILPATH))
                        {
                                if(chmod($this->getPath().'/'.MAILPATH,0755))
                                {
                                        $this->mail_path = $this->getPath().'/'.MAILPATH;
                                        return true;
                                }
                        } 
                }
                return false;
        }

References ilFileData\getPath().

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◆ rotateFiles()

ilFileDataMail::rotateFiles ( $a_path )

rotate files with same name recursive method

Parameters

string filename @access private

Returns: bool

Definition at line 345 of file class.ilFileDataMail.php.

        {
                if(file_exists($a_path))
                {
                        $this->rotateFiles($a_path.".old");
                        return \ilFileUtils::rename($a_path, $a_path . '.old');
                }
                return true;
        }

References rotateFiles().

Referenced by rotateFiles(), storeAsAttachment(), and storeUploadedFile().

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◆ saveFile()

ilFileDataMail::saveFile	(	$a_mail_id,
		$a_attachment
	)

save attachment file in a specific mail directory .../mail/<calculated_path>/mail_<mail_id>_<user_id>/...

Parameters

integer	mail id of mail in sent box
array	filenames to save @access public

Returns: bool

Definition at line 448 of file class.ilFileDataMail.php.

        {
                $oStorage = self::getStorage($a_mail_id, $this->user_id);
                $oStorage->create();
                $storage_directory = $oStorage->getAbsolutePath();
                                
                if(@!is_dir($storage_directory))
                {
                        return false;
                }
                
                return copy($this->mail_path.'/'.$this->user_id.'_'.$a_attachment,
                                        $storage_directory.'/'.$a_attachment);
        }

References getStorage().

Referenced by saveFiles().

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◆ saveFiles()

ilFileDataMail::saveFiles	(	$a_mail_id,
		$a_attachments
	)

save all attachment files in a specific mail directory .../mail/<calculated_path>/mail_<mail_id>_<user_id>/...

Parameters

integer	mail id of mail in sent box
array	filenames to save @access public

Returns: string error message

Definition at line 405 of file class.ilFileDataMail.php.

        {
                if(!$a_mail_id)
                {
                        return "INTERNAL HERE ERROR: No valid mail_id given";
                }
                if(is_array($a_attachments))
                {
                        foreach($a_attachments as $attachment)
                        {
                                if(!$this->saveFile($a_mail_id,$attachment))
                                {
                                        return $attachment;
                                }
                        }
                }
                else
                {
                        return "ARRAY REQUIRED";
                }
                return '';
        }

References saveFile().

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◆ storeAsAttachment()

ilFileDataMail::storeAsAttachment	(	$a_filename,
		$a_content
	)

Store content as attachment.

Parameters

object	$a_filename
object	$a_content

Returns

Definition at line 282 of file class.ilFileDataMail.php.

        {
                if(strlen($a_content) >= $this->getUploadLimit())
                {
                        return 1;
                }
 
                $name = ilUtil::_sanitizeFilemame($a_filename);
                $this->rotateFiles($this->getMailPath().'/'.$this->user_id.'_'.$name);
 
                $abs_path = $this->getMailPath().'/'.$this->user_id.'_'.$name;
                
                if(!$fp = @fopen($abs_path,'w+'))
                {
                        return false;
                }
                if(@fwrite($fp,$a_content) === false)
                {
                        @fclose($fp);
                        return false;
                }
                @fclose($fp);
                return true;            
        }

References ilUtil\_sanitizeFilemame(), getMailPath(), getUploadLimit(), and rotateFiles().

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◆ storeUploadedFile()

ilFileDataMail::storeUploadedFile ( $file )

Parameters

array $file

Definition at line 310 of file class.ilFileDataMail.php.

        {
                $file['name'] = ilUtil::_sanitizeFilemame($file['name']);
 
                $this->rotateFiles($this->getMailPath() . '/' . $this->user_id . '_' . $file['name']);
 
                ilUtil::moveUploadedFile(
                        $file['tmp_name'],
                        $file['name'],
                        $this->getMailPath() . '/' . $this->user_id . '_' . $file['name']
                );
        }

References $file, ilUtil\_sanitizeFilemame(), getMailPath(), ilUtil\moveUploadedFile(), and rotateFiles().

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◆ unlinkFile()

ilFileDataMail::unlinkFile ( $a_filename )

unlink one uploaded file expects a filename e.g 'foo'

Parameters

string filename to delete @access public

Returns: bool

Definition at line 380 of file class.ilFileDataMail.php.

        {
                if(file_exists($this->mail_path.'/'.basename($this->user_id.'_'.$a_filename)))
                {
                        return unlink($this->mail_path.'/'.basename($this->user_id.'_'.$a_filename));
                }
        }

Referenced by unlinkFiles().

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◆ unlinkFiles()

ilFileDataMail::unlinkFiles ( $a_filenames )

unlink files: expects an array of filenames e.g.

array('foo','bar')

Parameters

array filenames to delete @access public

Returns: string error message with filename that couldn't be deleted

Definition at line 360 of file class.ilFileDataMail.php.

        {
                if(is_array($a_filenames))
                {
                        foreach($a_filenames as $file)
                        {
                                if(!$this->unlinkFile($file))
                                {
                                        return $file;
                                }
                        }
                }
                return '';
        }

References $file, and unlinkFile().

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Field Documentation

◆ $mail_max_upload_file_size

ilFileDataMail::$mail_max_upload_file_size

protected

Definition at line 37 of file class.ilFileDataMail.php.

Referenced by getUploadLimit().

◆ $mail_path

ilFileDataMail::$mail_path

Definition at line 32 of file class.ilFileDataMail.php.

Referenced by getMailPath().

◆ $user_id

ilFileDataMail::$user_id

Definition at line 25 of file class.ilFileDataMail.php.

Referenced by _lookupDiskUsageOfUser().

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

Services/Mail/classes/class.ilFileDataMail.php

Public Member Functions

Static Public Member Functions

Data Fields

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ __construct()

Member Function Documentation

◆ __deleteAttachmentDirectory()

◆ _lookupDiskUsageOfUser()

◆ adoptAttachments()

◆ assignAttachmentsToDirectory()

◆ checkFilesExist()

◆ checkReadWrite()

◆ copyAttachmentFile()

◆ deassignAttachmentFromDirectory()

◆ getAbsolutePath()

◆ getAttachmentPath()

◆ getAttachmentPathByMD5Filename()

◆ getAttachmentsTotalSizeLimit()

◆ getMailPath()

◆ getStorage()

◆ getUploadLimit()

◆ getUserFilesData()

◆ initAttachmentMaxUploadSize()

◆ initDirectory()

◆ rotateFiles()

◆ saveFile()

◆ saveFiles()

◆ storeAsAttachment()

◆ storeUploadedFile()

◆ unlinkFile()

◆ unlinkFiles()

Field Documentation

◆ $mail_max_upload_file_size

◆ $mail_path

◆ $user_id