Merge branch master into stable

1 files changed, 750 insertions, 0 deletions

diff --git a/vendor/splitbrain/php-archive/src/Zip.php b/vendor/splitbrain/php-archive/src/Zip.php
new file mode 100644
index 000000000..1bc1ac1b7
--- /dev/null
+++ b/vendor/splitbrain/php-archive/src/Zip.php
@@ -0,0 +1,750 @@
+<?php
+
+namespace splitbrain\PHPArchive;
+
+/**
+ * Class Zip
+ *
+ * Creates or extracts Zip archives
+ *
+ * for specs see http://www.pkware.com/appnote
+ *
+ * @author  Andreas Gohr <andi@splitbrain.org>
+ * @package splitbrain\PHPArchive
+ * @license MIT
+ */
+class Zip extends Archive
+{
+
+    protected $file = '';
+    protected $fh;
+    protected $memory = '';
+    protected $closed = true;
+    protected $writeaccess = false;
+    protected $ctrl_dir;
+    protected $complevel = 9;
+
+    /**
+     * Set the compression level.
+     *
+     * Compression Type is ignored for ZIP
+     *
+     * You can call this function before adding each file to set differen compression levels
+     * for each file.
+     *
+     * @param int $level Compression level (0 to 9)
+     * @param int $type  Type of compression to use ignored for ZIP
+     * @return mixed
+     */
+    public function setCompression($level = 9, $type = Archive::COMPRESS_AUTO)
+    {
+        $this->complevel = $level;
+    }
+
+    /**
+     * Open an existing ZIP file for reading
+     *
+     * @param string $file
+     * @throws ArchiveIOException
+     */
+    public function open($file)
+    {
+        $this->file = $file;
+        $this->fh   = @fopen($this->file, 'rb');
+        if (!$this->fh) {
+            throw new ArchiveIOException('Could not open file for reading: '.$this->file);
+        }
+        $this->closed = false;
+    }
+
+    /**
+     * Read the contents of a ZIP archive
+     *
+     * This function lists the files stored in the archive, and returns an indexed array of FileInfo objects
+     *
+     * The archive is closed afer reading the contents, for API compatibility with TAR files
+     * Reopen the file with open() again if you want to do additional operations
+     *
+     * @throws ArchiveIOException
+     * @return FileInfo[]
+     */
+    public function contents()
+    {
+        if ($this->closed || !$this->file) {
+            throw new ArchiveIOException('Can not read from a closed archive');
+        }
+
+        $result = array();
+
+        $centd = $this->readCentralDir();
+
+        @rewind($this->fh);
+        @fseek($this->fh, $centd['offset']);
+
+        for ($i = 0; $i < $centd['entries']; $i++) {
+            $result[] = $this->header2fileinfo($this->readCentralFileHeader());
+        }
+
+        $this->close();
+        return $result;
+    }
+
+    /**
+     * Extract an existing ZIP archive
+     *
+     * The $strip parameter allows you to strip a certain number of path components from the filenames
+     * found in the tar file, similar to the --strip-components feature of GNU tar. This is triggered when
+     * an integer is passed as $strip.
+     * Alternatively a fixed string prefix may be passed in $strip. If the filename matches this prefix,
+     * the prefix will be stripped. It is recommended to give prefixes with a trailing slash.
+     *
+     * By default this will extract all files found in the archive. You can restrict the output using the $include
+     * and $exclude parameter. Both expect a full regular expression (including delimiters and modifiers). If
+     * $include is set only files that match this expression will be extracted. Files that match the $exclude
+     * expression will never be extracted. Both parameters can be used in combination. Expressions are matched against
+     * stripped filenames as described above.
+     *
+     * @param string     $outdir  the target directory for extracting
+     * @param int|string $strip   either the number of path components or a fixed prefix to strip
+     * @param string     $exclude a regular expression of files to exclude
+     * @param string     $include a regular expression of files to include
+     * @throws ArchiveIOException
+     * @return FileInfo[]
+     */
+    function extract($outdir, $strip = '', $exclude = '', $include = '')
+    {
+        if ($this->closed || !$this->file) {
+            throw new ArchiveIOException('Can not read from a closed archive');
+        }
+
+        $outdir = rtrim($outdir, '/');
+        @mkdir($outdir, 0777, true);
+
+        $extracted = array();
+
+        $cdir      = $this->readCentralDir();
+        $pos_entry = $cdir['offset']; // begin of the central file directory
+
+        for ($i = 0; $i < $cdir['entries']; $i++) {
+            // read file header
+            @fseek($this->fh, $pos_entry);
+            $header          = $this->readCentralFileHeader();
+            $header['index'] = $i;
+            $pos_entry       = ftell($this->fh); // position of the next file in central file directory
+            fseek($this->fh, $header['offset']); // seek to beginning of file header
+            $header   = $this->readFileHeader($header);
+            $fileinfo = $this->header2fileinfo($header);
+
+            // apply strip rules
+            $fileinfo->strip($strip);
+
+            // skip unwanted files
+            if (!strlen($fileinfo->getPath()) || !$fileinfo->match($include, $exclude)) {
+                continue;
+            }
+
+            $extracted[] = $fileinfo;
+
+            // create output directory
+            $output    = $outdir.'/'.$fileinfo->getPath();
+            $directory = ($header['folder']) ? $output : dirname($output);
+            @mkdir($directory, 0777, true);
+
+            // nothing more to do for directories
+            if ($fileinfo->getIsdir()) {
+                continue;
+            }
+
+            // compressed files are written to temporary .gz file first
+            if ($header['compression'] == 0) {
+                $extractto = $output;
+            } else {
+                $extractto = $output.'.gz';
+            }
+
+            // open file for writing
+            $fp = fopen($extractto, "wb");
+            if (!$fp) {
+                throw new ArchiveIOException('Could not open file for writing: '.$extractto);
+            }
+
+            // prepend compression header
+            if ($header['compression'] != 0) {
+                $binary_data = pack(
+                    'va1a1Va1a1',
+                    0x8b1f,
+                    chr($header['compression']),
+                    chr(0x00),
+                    time(),
+                    chr(0x00),
+                    chr(3)
+                );
+                fwrite($fp, $binary_data, 10);
+            }
+
+            // read the file and store it on disk
+            $size = $header['compressed_size'];
+            while ($size != 0) {
+                $read_size   = ($size < 2048 ? $size : 2048);
+                $buffer      = fread($this->fh, $read_size);
+                $binary_data = pack('a'.$read_size, $buffer);
+                fwrite($fp, $binary_data, $read_size);
+                $size -= $read_size;
+            }
+
+            // finalize compressed file
+            if ($header['compression'] != 0) {
+                $binary_data = pack('VV', $header['crc'], $header['size']);
+                fwrite($fp, $binary_data, 8);
+            }
+
+            // close file
+            fclose($fp);
+
+            // unpack compressed file
+            if ($header['compression'] != 0) {
+                $gzp = @gzopen($extractto, 'rb');
+                if (!$gzp) {
+                    @unlink($extractto);
+                    throw new ArchiveIOException('Failed file extracting. gzip support missing?');
+                }
+                $fp = @fopen($output, 'wb');
+                if (!$fp) {
+                    throw new ArchiveIOException('Could not open file for writing: '.$extractto);
+                }
+
+                $size = $header['size'];
+                while ($size != 0) {
+                    $read_size   = ($size < 2048 ? $size : 2048);
+                    $buffer      = gzread($gzp, $read_size);
+                    $binary_data = pack('a'.$read_size, $buffer);
+                    @fwrite($fp, $binary_data, $read_size);
+                    $size -= $read_size;
+                }
+                fclose($fp);
+                gzclose($gzp);
+                unlink($extractto); // remove temporary gz file
+            }
+
+            touch($output, $fileinfo->getMtime());
+            //FIXME what about permissions?
+        }
+
+        $this->close();
+        return $extracted;
+    }
+
+    /**
+     * Create a new ZIP file
+     *
+     * If $file is empty, the zip file will be created in memory
+     *
+     * @param string $file
+     * @throws ArchiveIOException
+     */
+    public function create($file = '')
+    {
+        $this->file   = $file;
+        $this->memory = '';
+        $this->fh     = 0;
+
+        if ($this->file) {
+            $this->fh = @fopen($this->file, 'wb');
+
+            if (!$this->fh) {
+                throw new ArchiveIOException('Could not open file for writing: '.$this->file);
+            }
+        }
+        $this->writeaccess = true;
+        $this->closed      = false;
+        $this->ctrl_dir    = array();
+    }
+
+    /**
+     * Add a file to the current ZIP archive using an existing file in the filesystem
+     *
+     * @param string          $file     path to the original file
+     * @param string|FileInfo $fileinfo either the name to us in archive (string) or a FileInfo oject with all meta data, empty to take from original
+     * @throws ArchiveIOException
+     */
+
+    /**
+     * Add a file to the current archive using an existing file in the filesystem
+     *
+     * @param string          $file     path to the original file
+     * @param string|FileInfo $fileinfo either the name to us in archive (string) or a FileInfo oject with all meta data, empty to take from original
+     * @throws ArchiveIOException
+     */
+    public function addFile($file, $fileinfo = '')
+    {
+        if (is_string($fileinfo)) {
+            $fileinfo = FileInfo::fromPath($file, $fileinfo);
+        }
+
+        if ($this->closed) {
+            throw new ArchiveIOException('Archive has been closed, files can no longer be added');
+        }
+
+        $data = @file_get_contents($file);
+        if ($data === false) {
+            throw new ArchiveIOException('Could not open file for reading: '.$file);
+        }
+
+        // FIXME could we stream writing compressed data? gzwrite on a fopen handle?
+        $this->addData($fileinfo, $data);
+    }
+
+    /**
+     * Add a file to the current TAR archive using the given $data as content
+     *
+     * @param string|FileInfo $fileinfo either the name to us in archive (string) or a FileInfo oject with all meta data
+     * @param string          $data     binary content of the file to add
+     * @throws ArchiveIOException
+     */
+    public function addData($fileinfo, $data)
+    {
+        if (is_string($fileinfo)) {
+            $fileinfo = new FileInfo($fileinfo);
+        }
+
+        if ($this->closed) {
+            throw new ArchiveIOException('Archive has been closed, files can no longer be added');
+        }
+
+        // prepare info and compress data
+        $size     = strlen($data);
+        $crc      = crc32($data);
+        if ($this->complevel) {
+            $data = gzcompress($data, $this->complevel);
+            $data = substr($data, 2, -4); // strip compression headers
+        }
+        $csize  = strlen($data);
+        $offset = $this->dataOffset();
+        $name   = $fileinfo->getPath();
+        $time   = $fileinfo->getMtime();
+
+        // write local file header
+        $this->writebytes($this->makeLocalFileHeader(
+            $time,
+            $crc,
+            $size,
+            $csize,
+            $name,
+            (bool) $this->complevel
+        ));
+
+        // we store no encryption header
+
+        // write data
+        $this->writebytes($data);
+
+        // we store no data descriptor
+
+        // add info to central file directory
+        $this->ctrl_dir[] = $this->makeCentralFileRecord(
+            $offset,
+            $time,
+            $crc,
+            $size,
+            $csize,
+            $name,
+            (bool) $this->complevel
+        );
+    }
+
+    /**
+     * Add the closing footer to the archive if in write mode, close all file handles
+     *
+     * After a call to this function no more data can be added to the archive, for
+     * read access no reading is allowed anymore
+     */
+    public function close()
+    {
+        if ($this->closed) {
+            return;
+        } // we did this already
+
+        if ($this->writeaccess) {
+            // write central directory
+            $offset = $this->dataOffset();
+            $ctrldir = join('', $this->ctrl_dir);
+            $this->writebytes($ctrldir);
+
+            // write end of central directory record
+            $this->writebytes("\x50\x4b\x05\x06"); // end of central dir signature
+            $this->writebytes(pack('v', 0)); // number of this disk
+            $this->writebytes(pack('v', 0)); // number of the disk with the start of the central directory
+            $this->writebytes(pack('v',
+                count($this->ctrl_dir))); // total number of entries in the central directory on this disk
+            $this->writebytes(pack('v', count($this->ctrl_dir))); // total number of entries in the central directory
+            $this->writebytes(pack('V', strlen($ctrldir))); // size of the central directory
+            $this->writebytes(pack('V',
+                $offset)); // offset of start of central directory with respect to the starting disk number
+            $this->writebytes(pack('v', 0)); // .ZIP file comment length
+
+            $this->ctrl_dir = array();
+        }
+
+        // close file handles
+        if ($this->file) {
+            fclose($this->fh);
+            $this->file = '';
+            $this->fh   = 0;
+        }
+
+        $this->writeaccess = false;
+        $this->closed      = true;
+    }
+
+    /**
+     * Returns the created in-memory archive data
+     *
+     * This implicitly calls close() on the Archive
+     */
+    public function getArchive()
+    {
+        $this->close();
+
+        return $this->memory;
+    }
+
+    /**
+     * Save the created in-memory archive data
+     *
+     * Note: It's more memory effective to specify the filename in the create() function and
+     * let the library work on the new file directly.
+     *
+     * @param     $file
+     * @throws ArchiveIOException
+     */
+    public function save($file)
+    {
+        if (!file_put_contents($file, $this->getArchive())) {
+            throw new ArchiveIOException('Could not write to file: '.$file);
+        }
+    }
+
+    /**
+     * Read the central directory
+     *
+     * This key-value list contains general information about the ZIP file
+     *
+     * @return array
+     */
+    protected function readCentralDir()
+    {
+        $size = filesize($this->file);
+        if ($size < 277) {
+            $maximum_size = $size;
+        } else {
+            $maximum_size = 277;
+        }
+
+        @fseek($this->fh, $size - $maximum_size);
+        $pos   = ftell($this->fh);
+        $bytes = 0x00000000;
+
+        while ($pos < $size) {
+            $byte  = @fread($this->fh, 1);
+            $bytes = (($bytes << 8) & 0xFFFFFFFF) | ord($byte);
+            if ($bytes == 0x504b0506) {
+                break;
+            }
+            $pos++;
+        }
+
+        $data = unpack(
+            'vdisk/vdisk_start/vdisk_entries/ventries/Vsize/Voffset/vcomment_size',
+            fread($this->fh, 18)
+        );
+
+        if ($data['comment_size'] != 0) {
+            $centd['comment'] = fread($this->fh, $data['comment_size']);
+        } else {
+            $centd['comment'] = '';
+        }
+        $centd['entries']      = $data['entries'];
+        $centd['disk_entries'] = $data['disk_entries'];
+        $centd['offset']       = $data['offset'];
+        $centd['disk_start']   = $data['disk_start'];
+        $centd['size']         = $data['size'];
+        $centd['disk']         = $data['disk'];
+        return $centd;
+    }
+
+    /**
+     * Read the next central file header
+     *
+     * Assumes the current file pointer is pointing at the right position
+     *
+     * @return array
+     */
+    protected function readCentralFileHeader()
+    {
+        $binary_data = fread($this->fh, 46);
+        $header      = unpack(
+            'vchkid/vid/vversion/vversion_extracted/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len/vcomment_len/vdisk/vinternal/Vexternal/Voffset',
+            $binary_data
+        );
+
+        if ($header['filename_len'] != 0) {
+            $header['filename'] = fread($this->fh, $header['filename_len']);
+        } else {
+            $header['filename'] = '';
+        }
+
+        if ($header['extra_len'] != 0) {
+            $header['extra'] = fread($this->fh, $header['extra_len']);
+        } else {
+            $header['extra'] = '';
+        }
+
+        if ($header['comment_len'] != 0) {
+            $header['comment'] = fread($this->fh, $header['comment_len']);
+        } else {
+            $header['comment'] = '';
+        }
+
+        $header['mtime']           = $this->makeUnixTime($header['mdate'], $header['mtime']);
+        $header['stored_filename'] = $header['filename'];
+        $header['status']          = 'ok';
+        if (substr($header['filename'], -1) == '/') {
+            $header['external'] = 0x41FF0010;
+        }
+        $header['folder'] = ($header['external'] == 0x41FF0010 || $header['external'] == 16) ? 1 : 0;
+
+        return $header;
+    }
+
+    /**
+     * Reads the local file header
+     *
+     * This header precedes each individual file inside the zip file. Assumes the current file pointer is pointing at
+     * the right position already. Enhances the given central header with the data found at the local header.
+     *
+     * @param array $header the central file header read previously (see above)
+     * @return array
+     */
+    protected function readFileHeader($header)
+    {
+        $binary_data = fread($this->fh, 30);
+        $data        = unpack(
+            'vchk/vid/vversion/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len',
+            $binary_data
+        );
+
+        $header['filename'] = fread($this->fh, $data['filename_len']);
+        if ($data['extra_len'] != 0) {
+            $header['extra'] = fread($this->fh, $data['extra_len']);
+        } else {
+            $header['extra'] = '';
+        }
+
+        $header['compression'] = $data['compression'];
+        foreach (array(
+                     'size',
+                     'compressed_size',
+                     'crc'
+                 ) as $hd) { // On ODT files, these headers are 0. Keep the previous value.
+            if ($data[$hd] != 0) {
+                $header[$hd] = $data[$hd];
+            }
+        }
+        $header['flag']  = $data['flag'];
+        $header['mtime'] = $this->makeUnixTime($data['mdate'], $data['mtime']);
+
+        $header['stored_filename'] = $header['filename'];
+        $header['status']          = "ok";
+        $header['folder']          = ($header['external'] == 0x41FF0010 || $header['external'] == 16) ? 1 : 0;
+        return $header;
+    }
+
+    /**
+     * Create fileinfo object from header data
+     *
+     * @param $header
+     * @return FileInfo
+     */
+    protected function header2fileinfo($header)
+    {
+        $fileinfo = new FileInfo();
+        $fileinfo->setPath($header['filename']);
+        $fileinfo->setSize($header['size']);
+        $fileinfo->setCompressedSize($header['compressed_size']);
+        $fileinfo->setMtime($header['mtime']);
+        $fileinfo->setComment($header['comment']);
+        $fileinfo->setIsdir($header['external'] == 0x41FF0010 || $header['external'] == 16);
+        return $fileinfo;
+    }
+
+    /**
+     * Write to the open filepointer or memory
+     *
+     * @param string $data
+     * @throws ArchiveIOException
+     * @return int number of bytes written
+     */
+    protected function writebytes($data)
+    {
+        if (!$this->file) {
+            $this->memory .= $data;
+            $written = strlen($data);
+        } else {
+            $written = @fwrite($this->fh, $data);
+        }
+        if ($written === false) {
+            throw new ArchiveIOException('Failed to write to archive stream');
+        }
+        return $written;
+    }
+
+    /**
+     * Current data pointer position
+     *
+     * @fixme might need a -1
+     * @return int
+     */
+    protected function dataOffset()
+    {
+        if ($this->file) {
+            return ftell($this->fh);
+        } else {
+            return strlen($this->memory);
+        }
+    }
+
+    /**
+     * Create a DOS timestamp from a UNIX timestamp
+     *
+     * DOS timestamps start at 1980-01-01, earlier UNIX stamps will be set to this date
+     *
+     * @param $time
+     * @return int
+     */
+    protected function makeDosTime($time)
+    {
+        $timearray = getdate($time);
+        if ($timearray['year'] < 1980) {
+            $timearray['year']    = 1980;
+            $timearray['mon']     = 1;
+            $timearray['mday']    = 1;
+            $timearray['hours']   = 0;
+            $timearray['minutes'] = 0;
+            $timearray['seconds'] = 0;
+        }
+        return (($timearray['year'] - 1980) << 25) |
+        ($timearray['mon'] << 21) |
+        ($timearray['mday'] << 16) |
+        ($timearray['hours'] << 11) |
+        ($timearray['minutes'] << 5) |
+        ($timearray['seconds'] >> 1);
+    }
+
+    /**
+     * Create a UNIX timestamp from a DOS timestamp
+     *
+     * @param $mdate
+     * @param $mtime
+     * @return int
+     */
+    protected function makeUnixTime($mdate = null, $mtime = null)
+    {
+        if ($mdate && $mtime) {
+            $year = (($mdate & 0xFE00) >> 9) + 1980;
+            $month = ($mdate & 0x01E0) >> 5;
+            $day = $mdate & 0x001F;
+
+            $hour = ($mtime & 0xF800) >> 11;
+            $minute = ($mtime & 0x07E0) >> 5;
+            $seconde = ($mtime & 0x001F) << 1;
+
+            $mtime = mktime($hour, $minute, $seconde, $month, $day, $year);
+        } else {
+            $mtime = time();
+        }
+
+        return $mtime;
+    }
+
+    /**
+     * Returns a local file header for the given data
+     *
+     * @param int $offset location of the local header
+     * @param int $ts unix timestamp
+     * @param int $crc CRC32 checksum of the uncompressed data
+     * @param int $len length of the uncompressed data
+     * @param int $clen length of the compressed data
+     * @param string $name file name
+     * @param boolean|null $comp if compression is used, if null it's determined from $len != $clen
+     * @return string
+     */
+    protected function makeCentralFileRecord($offset, $ts, $crc, $len, $clen, $name, $comp = null)
+    {
+        if(is_null($comp)) $comp = $len != $clen;
+        $comp = $comp ? 8 : 0;
+        $dtime = dechex($this->makeDosTime($ts));
+
+        $header = "\x50\x4b\x01\x02"; // central file header signature
+        $header .= pack('v', 14); // version made by - VFAT
+        $header .= pack('v', 20); // version needed to extract - 2.0
+        $header .= pack('v', 0); // general purpose flag - no flags set
+        $header .= pack('v', $comp); // compression method - deflate|none
+        $header .= pack(
+            'H*',
+            $dtime[6] . $dtime[7] .
+            $dtime[4] . $dtime[5] .
+            $dtime[2] . $dtime[3] .
+            $dtime[0] . $dtime[1]
+        ); //  last mod file time and date
+        $header .= pack('V', $crc); // crc-32
+        $header .= pack('V', $clen); // compressed size
+        $header .= pack('V', $len); // uncompressed size
+        $header .= pack('v', strlen($name)); // file name length
+        $header .= pack('v', 0); // extra field length
+        $header .= pack('v', 0); // file comment length
+        $header .= pack('v', 0); // disk number start
+        $header .= pack('v', 0); // internal file attributes
+        $header .= pack('V', 0); // external file attributes  @todo was 0x32!?
+        $header .= pack('V', $offset); // relative offset of local header
+        $header .= $name; // file name
+
+        return $header;
+    }
+
+    /**
+     * Returns a local file header for the given data
+     *
+     * @param int $ts unix timestamp
+     * @param int $crc CRC32 checksum of the uncompressed data
+     * @param int $len length of the uncompressed data
+     * @param int $clen length of the compressed data
+     * @param string $name file name
+     * @param boolean|null $comp if compression is used, if null it's determined from $len != $clen
+     * @return string
+     */
+    protected function makeLocalFileHeader($ts, $crc, $len, $clen, $name, $comp = null)
+    {
+        if(is_null($comp)) $comp = $len != $clen;
+        $comp = $comp ? 8 : 0;
+        $dtime = dechex($this->makeDosTime($ts));
+
+        $header = "\x50\x4b\x03\x04"; //  local file header signature
+        $header .= pack('v', 20); // version needed to extract - 2.0
+        $header .= pack('v', 0); // general purpose flag - no flags set
+        $header .= pack('v', $comp); // compression method - deflate|none
+        $header .= pack(
+            'H*',
+            $dtime[6] . $dtime[7] .
+            $dtime[4] . $dtime[5] .
+            $dtime[2] . $dtime[3] .
+            $dtime[0] . $dtime[1]
+        ); //  last mod file time and date
+        $header .= pack('V', $crc); // crc-32
+        $header .= pack('V', $clen); // compressed size
+        $header .= pack('V', $len); // uncompressed size
+        $header .= pack('v', strlen($name)); // file name length
+        $header .= pack('v', 0); // extra field length
+        $header .= $name;
+        return $header;
+    }
+}