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</a></span><span class="l"><a href="#778">778: </a></span><span class="l"><a href="#779">779: </a></span><span class="l"><a href="#780">780: </a></span><span class="l"><a href="#781">781: </a></span><span class="l"><a href="#782">782: </a></span><span class="l"><a href="#783">783: </a></span><span class="l"><a href="#784">784: </a></span><span class="l"><a href="#785">785: </a></span><span class="l"><a href="#786">786: </a></span><span class="l"><a href="#787">787: </a></span><span class="l"><a href="#788">788: </a></span><span class="l"><a href="#789">789: </a></span><span class="l"><a href="#790">790: </a></span><span class="l"><a href="#791">791: </a></span><span class="l"><a href="#792">792: </a></span><span class="l"><a href="#793">793: </a></span><span class="l"><a href="#794">794: </a></span></span><span class="l"><a href="#795">795: </a></span></span><span class="l"><a href="#796">796: </a></span></span><span class="l"><a href="#797">797: </a></span></span><span class="l"><a href="#798">798: </a></span></span><span class="l"><a href="#799">799: </a></span></span><span class="l"><a href="#800">800: </a></span></span><span class="l"><a href="#801">801: </a></span></span><span class="l"><a href="#802">802: </a></span><span class="l"><a href="#803">803: </a></span><span class="l"><a href="#804">804: </a></span><span class="l"><a href="#805">805: </a></span><span class="l"><a href="#806">806: </a></span><span class="l"><a href="#807">807: </a></span><span class="l"><a href="#808">808: </a></span><span class="l"><a href="#809">809: </a></span><span class="l"><a href="#810">810: </a></span><span class="l"><a href="#811">811: </a></span><span class="l"><a href="#812">812: </a></span><span class="l"><a href="#813">813: </a></span><span class="l"><a href="#814">814: </a></span><span class="l"><a href="#815">815: </a></span><span class="l"><a href="#816">816: </a></span><span class="l"><a href="#817">817: </a></span><span class="l"><a href="#818">818: </a></span><span class="l"><a href="#819">819: </a></span><span class="l"><a href="#820">820: </a></span><span class="l"><a href="#821">821: </a></span><span class="l"><a href="#822">822: </a></span><span class="l"><a href="#823">823: </a></span><span class="l"><a href="#824">824: </a></span></code></pre>
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<pre class="code"><code><span id="1" class="l"><span class="xlang"><?php</span>
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</span><span id="2" class="l">
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</span><span id="3" class="l"><span class="php-keyword1">namespace</span> splitbrain\PHPArchive;
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</span><span id="4" class="l">
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</span><span id="5" class="l"><span class="php-comment">/**
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</span></span><span id="6" class="l"><span class="php-comment"> * Class Tar
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</span></span><span id="7" class="l"><span class="php-comment"> *
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</span></span><span id="8" class="l"><span class="php-comment"> * Creates or extracts Tar archives. Supports gz and bzip compression
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</span></span><span id="9" class="l"><span class="php-comment"> *
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</span></span><span id="10" class="l"><span class="php-comment"> * Long pathnames (>100 chars) are supported in POSIX ustar and GNU longlink formats.
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</span></span><span id="11" class="l"><span class="php-comment"> *
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</span></span><span id="12" class="l"><span class="php-comment"> * @author Andreas Gohr <andi@splitbrain.org>
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</span></span><span id="13" class="l"><span class="php-comment"> * @package splitbrain\PHPArchive
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</span></span><span id="14" class="l"><span class="php-comment"> * @license MIT
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</span></span><span id="15" class="l"><span class="php-comment"> */</span>
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</span><span id="16" class="l"><span class="php-keyword1">class</span> Tar <span class="php-keyword1">extends</span> Archive
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</span><span id="17" class="l">{
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</span><span id="18" class="l"> <span class="php-keyword1">const</span> READ_CHUNK_SIZE = <span class="php-num">1048576</span>; <span class="php-comment">// 1MB</span>
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</span><span id="19" class="l">
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</span><span id="20" class="l"> <span class="php-keyword1">protected</span> <span class="php-var">$file</span> = <span class="php-quote">''</span>;
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</span><span id="21" class="l"> <span class="php-keyword1">protected</span> <span class="php-var">$comptype</span> = Archive::COMPRESS_AUTO;
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</span><span id="22" class="l"> <span class="php-keyword1">protected</span> <span class="php-var">$complevel</span> = <span class="php-num">9</span>;
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</span><span id="23" class="l"> <span class="php-keyword1">protected</span> <span class="php-var">$fh</span>;
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</span><span id="24" class="l"> <span class="php-keyword1">protected</span> <span class="php-var">$memory</span> = <span class="php-quote">''</span>;
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</span><span id="25" class="l"> <span class="php-keyword1">protected</span> <span class="php-var">$closed</span> = <span class="php-keyword1">true</span>;
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</span><span id="26" class="l"> <span class="php-keyword1">protected</span> <span class="php-var">$writeaccess</span> = <span class="php-keyword1">false</span>;
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</span><span id="27" class="l"> <span class="php-keyword1">protected</span> <span class="php-var">$position</span> = <span class="php-num">0</span>;
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</span><span id="28" class="l"> <span class="php-keyword1">protected</span> <span class="php-var">$contentUntil</span> = <span class="php-num">0</span>;
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</span><span id="29" class="l"> <span class="php-keyword1">protected</span> <span class="php-var">$skipUntil</span> = <span class="php-num">0</span>;
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</span><span id="30" class="l">
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</span><span id="31" class="l"> <span class="php-comment">/**
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</span></span><span id="32" class="l"><span class="php-comment"> * Sets the compression to use
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</span></span><span id="33" class="l"><span class="php-comment"> *
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</span></span><span id="34" class="l"><span class="php-comment"> * @param int $level Compression level (0 to 9)
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</span></span><span id="35" class="l"><span class="php-comment"> * @param int $type Type of compression to use (use COMPRESS_* constants)
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</span></span><span id="36" class="l"><span class="php-comment"> * @throws ArchiveIllegalCompressionException
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</span></span><span id="37" class="l"><span class="php-comment"> */</span>
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</span><span id="38" class="l"> <span class="php-keyword1">public</span> <span class="php-keyword1">function</span> setCompression(<span class="php-var">$level</span> = <span class="php-num">9</span>, <span class="php-var">$type</span> = Archive::COMPRESS_AUTO)
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</span><span id="39" class="l"> {
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</span><span id="40" class="l"> <span class="php-var">$this</span>->compressioncheck(<span class="php-var">$type</span>);
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</span><span id="41" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$level</span> < -<span class="php-num">1</span> || <span class="php-var">$level</span> > <span class="php-num">9</span>) {
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</span><span id="42" class="l"> <span class="php-keyword1">throw</span> <span class="php-keyword1">new</span> ArchiveIllegalCompressionException(<span class="php-quote">'Compression level should be between -1 and 9'</span>);
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</span><span id="43" class="l"> }
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</span><span id="44" class="l"> <span class="php-var">$this</span>->comptype = <span class="php-var">$type</span>;
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</span><span id="45" class="l"> <span class="php-var">$this</span>->complevel = <span class="php-var">$level</span>;
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</span><span id="46" class="l"> <span class="php-keyword1">if</span>(<span class="php-var">$level</span> == <span class="php-num">0</span>) <span class="php-var">$this</span>->comptype = Archive::COMPRESS_NONE;
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</span><span id="47" class="l"> <span class="php-keyword1">if</span>(<span class="php-var">$type</span> == Archive::COMPRESS_NONE) <span class="php-var">$this</span>->complevel = <span class="php-num">0</span>;
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</span><span id="48" class="l"> }
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</span><span id="49" class="l">
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</span><span id="50" class="l"> <span class="php-comment">/**
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</span></span><span id="51" class="l"><span class="php-comment"> * Open an existing TAR file for reading
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</span></span><span id="52" class="l"><span class="php-comment"> *
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</span></span><span id="53" class="l"><span class="php-comment"> * @param string $file
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</span></span><span id="54" class="l"><span class="php-comment"> * @throws ArchiveIOException
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</span></span><span id="55" class="l"><span class="php-comment"> * @throws ArchiveIllegalCompressionException
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</span></span><span id="56" class="l"><span class="php-comment"> */</span>
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</span><span id="57" class="l"> <span class="php-keyword1">public</span> <span class="php-keyword1">function</span> open(<span class="php-var">$file</span>)
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</span><span id="58" class="l"> {
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</span><span id="59" class="l"> <span class="php-var">$this</span>-><span class="php-keyword2">file</span> = <span class="php-var">$file</span>;
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</span><span id="60" class="l">
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</span><span id="61" class="l"> <span class="php-comment">// update compression to mach file</span>
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</span><span id="62" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$this</span>->comptype == Tar::COMPRESS_AUTO) {
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</span><span id="63" class="l"> <span class="php-var">$this</span>->setCompression(<span class="php-var">$this</span>->complevel, <span class="php-var">$this</span>-><span class="php-keyword2">filetype</span>(<span class="php-var">$file</span>));
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</span><span id="64" class="l"> }
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</span><span id="65" class="l">
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</span><span id="66" class="l"> <span class="php-comment">// open file handles</span>
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</span><span id="67" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$this</span>->comptype === Archive::COMPRESS_GZIP) {
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</span><span id="68" class="l"> <span class="php-var">$this</span>->fh = @<span class="php-keyword2">gzopen</span>(<span class="php-var">$this</span>-><span class="php-keyword2">file</span>, <span class="php-quote">'rb'</span>);
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</span><span id="69" class="l"> } <span class="php-keyword1">elseif</span> (<span class="php-var">$this</span>->comptype === Archive::COMPRESS_BZIP) {
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</span><span id="70" class="l"> <span class="php-var">$this</span>->fh = @<span class="php-keyword2">bzopen</span>(<span class="php-var">$this</span>-><span class="php-keyword2">file</span>, <span class="php-quote">'r'</span>);
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</span><span id="71" class="l"> } <span class="php-keyword1">else</span> {
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</span><span id="72" class="l"> <span class="php-var">$this</span>->fh = @<span class="php-keyword2">fopen</span>(<span class="php-var">$this</span>-><span class="php-keyword2">file</span>, <span class="php-quote">'rb'</span>);
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</span><span id="73" class="l"> }
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</span><span id="74" class="l">
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</span><span id="75" class="l"> <span class="php-keyword1">if</span> (!<span class="php-var">$this</span>->fh) {
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</span><span id="76" class="l"> <span class="php-keyword1">throw</span> <span class="php-keyword1">new</span> ArchiveIOException(<span class="php-quote">'Could not open file for reading: '</span>.<span class="php-var">$this</span>-><span class="php-keyword2">file</span>);
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</span><span id="77" class="l"> }
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</span><span id="78" class="l"> <span class="php-var">$this</span>->closed = <span class="php-keyword1">false</span>;
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</span><span id="79" class="l"> <span class="php-var">$this</span>->position = <span class="php-num">0</span>;
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</span><span id="80" class="l"> }
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</span><span id="81" class="l">
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</span><span id="82" class="l"> <span class="php-comment">/**
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</span></span><span id="83" class="l"><span class="php-comment"> * Read the contents of a TAR archive
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</span></span><span id="84" class="l"><span class="php-comment"> *
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</span></span><span id="85" class="l"><span class="php-comment"> * This function lists the files stored in the archive
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</span></span><span id="86" class="l"><span class="php-comment"> *
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</span></span><span id="87" class="l"><span class="php-comment"> * The archive is closed afer reading the contents, because rewinding is not possible in bzip2 streams.
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</span></span><span id="88" class="l"><span class="php-comment"> * Reopen the file with open() again if you want to do additional operations
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</span></span><span id="89" class="l"><span class="php-comment"> *
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</span></span><span id="90" class="l"><span class="php-comment"> * @throws ArchiveIOException
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</span></span><span id="91" class="l"><span class="php-comment"> * @throws ArchiveCorruptedException
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</span></span><span id="92" class="l"><span class="php-comment"> * @returns FileInfo[]
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</span></span><span id="93" class="l"><span class="php-comment"> */</span>
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</span><span id="94" class="l"> <span class="php-keyword1">public</span> <span class="php-keyword1">function</span> contents()
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</span><span id="95" class="l"> {
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</span><span id="96" class="l"> <span class="php-var">$result</span> = <span class="php-keyword1">array</span>();
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</span><span id="97" class="l">
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</span><span id="98" class="l"> <span class="php-keyword1">foreach</span> (<span class="php-var">$this</span>->yieldContents() <span class="php-keyword1">as</span> <span class="php-var">$fileinfo</span>) {
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</span><span id="99" class="l"> <span class="php-var">$result</span>[] = <span class="php-var">$fileinfo</span>;
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</span><span id="100" class="l"> }
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</span><span id="101" class="l">
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</span><span id="102" class="l"> <span class="php-keyword1">return</span> <span class="php-var">$result</span>;
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</span><span id="103" class="l"> }
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</span><span id="104" class="l">
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</span><span id="105" class="l"> <span class="php-comment">/**
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</span></span><span id="106" class="l"><span class="php-comment"> * Read the contents of a TAR archive and return each entry using yield
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</span></span><span id="107" class="l"><span class="php-comment"> * for memory efficiency.
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</span></span><span id="108" class="l"><span class="php-comment"> *
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</span></span><span id="109" class="l"><span class="php-comment"> * @see contents()
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</span></span><span id="110" class="l"><span class="php-comment"> * @throws ArchiveIOException
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</span></span><span id="111" class="l"><span class="php-comment"> * @throws ArchiveCorruptedException
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</span></span><span id="112" class="l"><span class="php-comment"> * @returns FileInfo[]
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</span></span><span id="113" class="l"><span class="php-comment"> */</span>
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</span><span id="114" class="l"> <span class="php-keyword1">public</span> <span class="php-keyword1">function</span> yieldContents()
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</span><span id="115" class="l"> {
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</span><span id="116" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$this</span>->closed || !<span class="php-var">$this</span>-><span class="php-keyword2">file</span>) {
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</span><span id="117" class="l"> <span class="php-keyword1">throw</span> <span class="php-keyword1">new</span> ArchiveIOException(<span class="php-quote">'Can not read from a closed archive'</span>);
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</span><span id="118" class="l"> }
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</span><span id="119" class="l">
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</span><span id="120" class="l"> <span class="php-keyword1">while</span> (<span class="php-var">$read</span> = <span class="php-var">$this</span>->readbytes(<span class="php-num">512</span>)) {
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</span><span id="121" class="l"> <span class="php-var">$header</span> = <span class="php-var">$this</span>->parseHeader(<span class="php-var">$read</span>);
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</span><span id="122" class="l"> <span class="php-keyword1">if</span> (!<span class="php-keyword2">is_array</span>(<span class="php-var">$header</span>)) {
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</span><span id="123" class="l"> <span class="php-keyword1">continue</span>;
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</span><span id="124" class="l"> }
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</span><span id="125" class="l">
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</span><span id="126" class="l"> <span class="php-var">$this</span>->contentUntil = <span class="php-var">$this</span>->position + <span class="php-var">$header</span>[<span class="php-quote">'size'</span>];
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</span><span id="127" class="l"> <span class="php-var">$this</span>->skipUntil = <span class="php-var">$this</span>->position + <span class="php-keyword2">ceil</span>(<span class="php-var">$header</span>[<span class="php-quote">'size'</span>] / <span class="php-num">512</span>) * <span class="php-num">512</span>;
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</span><span id="128" class="l">
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</span><span id="129" class="l"> yield <span class="php-var">$this</span>->header2fileinfo(<span class="php-var">$header</span>);
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</span><span id="130" class="l">
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</span><span id="131" class="l"> <span class="php-var">$skip</span> = <span class="php-var">$this</span>->skipUntil - <span class="php-var">$this</span>->position;
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</span><span id="132" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$skip</span> > <span class="php-num">0</span>) {
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</span><span id="133" class="l"> <span class="php-var">$this</span>->skipbytes(<span class="php-var">$skip</span>);
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</span><span id="134" class="l"> }
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</span><span id="135" class="l"> }
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</span><span id="136" class="l">
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</span><span id="137" class="l"> <span class="php-var">$this</span>->close();
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</span><span id="138" class="l"> }
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</span><span id="139" class="l">
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</span><span id="140" class="l"> <span class="php-comment">/**
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</span></span><span id="141" class="l"><span class="php-comment"> * Reads content of a current archive entry.
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</span></span><span id="142" class="l"><span class="php-comment"> *
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</span></span><span id="143" class="l"><span class="php-comment"> * Works only when iterating trough the archive using the generator returned
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</span></span><span id="144" class="l"><span class="php-comment"> * by the yieldContents().
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</span></span><span id="145" class="l"><span class="php-comment"> *
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</span></span><span id="146" class="l"><span class="php-comment"> * @param int $length maximum number of bytes to read
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</span></span><span id="147" class="l"><span class="php-comment"> *
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</span></span><span id="148" class="l"><span class="php-comment"> * @return string
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</span></span><span id="149" class="l"><span class="php-comment"> */</span>
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</span><span id="150" class="l"> <span class="php-keyword1">public</span> <span class="php-keyword1">function</span> readCurrentEntry(<span class="php-var">$length</span> = PHP_INT_MAX)
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</span><span id="151" class="l"> {
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</span><span id="152" class="l"> <span class="php-var">$length</span> = (int) <span class="php-keyword2">min</span>(<span class="php-var">$length</span>, <span class="php-var">$this</span>->contentUntil - <span class="php-var">$this</span>->position);
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</span><span id="153" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$length</span> === <span class="php-num">0</span>) {
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</span><span id="154" class="l"> <span class="php-keyword1">return</span> <span class="php-quote">''</span>;
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</span><span id="155" class="l"> }
|
|
</span><span id="156" class="l"> <span class="php-keyword1">return</span> <span class="php-var">$this</span>->readbytes(<span class="php-var">$length</span>);
|
|
</span><span id="157" class="l"> }
|
|
</span><span id="158" class="l">
|
|
</span><span id="159" class="l"> <span class="php-comment">/**
|
|
</span></span><span id="160" class="l"><span class="php-comment"> * Extract an existing TAR archive
|
|
</span></span><span id="161" class="l"><span class="php-comment"> *
|
|
</span></span><span id="162" class="l"><span class="php-comment"> * The $strip parameter allows you to strip a certain number of path components from the filenames
|
|
</span></span><span id="163" class="l"><span class="php-comment"> * found in the tar file, similar to the --strip-components feature of GNU tar. This is triggered when
|
|
</span></span><span id="164" class="l"><span class="php-comment"> * an integer is passed as $strip.
|
|
</span></span><span id="165" class="l"><span class="php-comment"> * Alternatively a fixed string prefix may be passed in $strip. If the filename matches this prefix,
|
|
</span></span><span id="166" class="l"><span class="php-comment"> * the prefix will be stripped. It is recommended to give prefixes with a trailing slash.
|
|
</span></span><span id="167" class="l"><span class="php-comment"> *
|
|
</span></span><span id="168" class="l"><span class="php-comment"> * By default this will extract all files found in the archive. You can restrict the output using the $include
|
|
</span></span><span id="169" class="l"><span class="php-comment"> * and $exclude parameter. Both expect a full regular expression (including delimiters and modifiers). If
|
|
</span></span><span id="170" class="l"><span class="php-comment"> * $include is set only files that match this expression will be extracted. Files that match the $exclude
|
|
</span></span><span id="171" class="l"><span class="php-comment"> * expression will never be extracted. Both parameters can be used in combination. Expressions are matched against
|
|
</span></span><span id="172" class="l"><span class="php-comment"> * stripped filenames as described above.
|
|
</span></span><span id="173" class="l"><span class="php-comment"> *
|
|
</span></span><span id="174" class="l"><span class="php-comment"> * The archive is closed afer reading the contents, because rewinding is not possible in bzip2 streams.
|
|
</span></span><span id="175" class="l"><span class="php-comment"> * Reopen the file with open() again if you want to do additional operations
|
|
</span></span><span id="176" class="l"><span class="php-comment"> *
|
|
</span></span><span id="177" class="l"><span class="php-comment"> * @param string $outdir the target directory for extracting
|
|
</span></span><span id="178" class="l"><span class="php-comment"> * @param int|string $strip either the number of path components or a fixed prefix to strip
|
|
</span></span><span id="179" class="l"><span class="php-comment"> * @param string $exclude a regular expression of files to exclude
|
|
</span></span><span id="180" class="l"><span class="php-comment"> * @param string $include a regular expression of files to include
|
|
</span></span><span id="181" class="l"><span class="php-comment"> * @throws ArchiveIOException
|
|
</span></span><span id="182" class="l"><span class="php-comment"> * @throws ArchiveCorruptedException
|
|
</span></span><span id="183" class="l"><span class="php-comment"> * @return FileInfo[]
|
|
</span></span><span id="184" class="l"><span class="php-comment"> */</span>
|
|
</span><span id="185" class="l"> <span class="php-keyword1">public</span> <span class="php-keyword1">function</span> <span class="php-keyword2">extract</span>(<span class="php-var">$outdir</span>, <span class="php-var">$strip</span> = <span class="php-quote">''</span>, <span class="php-var">$exclude</span> = <span class="php-quote">''</span>, <span class="php-var">$include</span> = <span class="php-quote">''</span>)
|
|
</span><span id="186" class="l"> {
|
|
</span><span id="187" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$this</span>->closed || !<span class="php-var">$this</span>-><span class="php-keyword2">file</span>) {
|
|
</span><span id="188" class="l"> <span class="php-keyword1">throw</span> <span class="php-keyword1">new</span> ArchiveIOException(<span class="php-quote">'Can not read from a closed archive'</span>);
|
|
</span><span id="189" class="l"> }
|
|
</span><span id="190" class="l">
|
|
</span><span id="191" class="l"> <span class="php-var">$outdir</span> = <span class="php-keyword2">rtrim</span>(<span class="php-var">$outdir</span>, <span class="php-quote">'/'</span>);
|
|
</span><span id="192" class="l"> @<span class="php-keyword2">mkdir</span>(<span class="php-var">$outdir</span>, <span class="php-num">0777</span>, <span class="php-keyword1">true</span>);
|
|
</span><span id="193" class="l"> <span class="php-keyword1">if</span> (!<span class="php-keyword2">is_dir</span>(<span class="php-var">$outdir</span>)) {
|
|
</span><span id="194" class="l"> <span class="php-keyword1">throw</span> <span class="php-keyword1">new</span> ArchiveIOException(<span class="php-quote">"Could not create directory '</span><span class="php-var">$outdir</span><span class="php-quote">'"</span>);
|
|
</span><span id="195" class="l"> }
|
|
</span><span id="196" class="l">
|
|
</span><span id="197" class="l"> <span class="php-var">$extracted</span> = <span class="php-keyword1">array</span>();
|
|
</span><span id="198" class="l"> <span class="php-keyword1">while</span> (<span class="php-var">$dat</span> = <span class="php-var">$this</span>->readbytes(<span class="php-num">512</span>)) {
|
|
</span><span id="199" class="l"> <span class="php-comment">// read the file header</span>
|
|
</span><span id="200" class="l"> <span class="php-var">$header</span> = <span class="php-var">$this</span>->parseHeader(<span class="php-var">$dat</span>);
|
|
</span><span id="201" class="l"> <span class="php-keyword1">if</span> (!<span class="php-keyword2">is_array</span>(<span class="php-var">$header</span>)) {
|
|
</span><span id="202" class="l"> <span class="php-keyword1">continue</span>;
|
|
</span><span id="203" class="l"> }
|
|
</span><span id="204" class="l"> <span class="php-var">$fileinfo</span> = <span class="php-var">$this</span>->header2fileinfo(<span class="php-var">$header</span>);
|
|
</span><span id="205" class="l">
|
|
</span><span id="206" class="l"> <span class="php-comment">// apply strip rules</span>
|
|
</span><span id="207" class="l"> <span class="php-var">$fileinfo</span>->strip(<span class="php-var">$strip</span>);
|
|
</span><span id="208" class="l">
|
|
</span><span id="209" class="l"> <span class="php-comment">// skip unwanted files</span>
|
|
</span><span id="210" class="l"> <span class="php-keyword1">if</span> (!<span class="php-keyword2">strlen</span>(<span class="php-var">$fileinfo</span>->getPath()) || !<span class="php-var">$fileinfo</span>->matchExpression(<span class="php-var">$include</span>, <span class="php-var">$exclude</span>)) {
|
|
</span><span id="211" class="l"> <span class="php-var">$this</span>->skipbytes(<span class="php-keyword2">ceil</span>(<span class="php-var">$header</span>[<span class="php-quote">'size'</span>] / <span class="php-num">512</span>) * <span class="php-num">512</span>);
|
|
</span><span id="212" class="l"> <span class="php-keyword1">continue</span>;
|
|
</span><span id="213" class="l"> }
|
|
</span><span id="214" class="l">
|
|
</span><span id="215" class="l"> <span class="php-comment">// create output directory</span>
|
|
</span><span id="216" class="l"> <span class="php-var">$output</span> = <span class="php-var">$outdir</span>.<span class="php-quote">'/'</span>.<span class="php-var">$fileinfo</span>->getPath();
|
|
</span><span id="217" class="l"> <span class="php-var">$directory</span> = (<span class="php-var">$fileinfo</span>->getIsdir()) ? <span class="php-var">$output</span> : <span class="php-keyword2">dirname</span>(<span class="php-var">$output</span>);
|
|
</span><span id="218" class="l"> <span class="php-keyword1">if</span> (!<span class="php-keyword2">file_exists</span>(<span class="php-var">$directory</span>)) {
|
|
</span><span id="219" class="l"> <span class="php-keyword2">mkdir</span>(<span class="php-var">$directory</span>, <span class="php-num">0777</span>, <span class="php-keyword1">true</span>);
|
|
</span><span id="220" class="l"> }
|
|
</span><span id="221" class="l">
|
|
</span><span id="222" class="l"> <span class="php-comment">// extract data</span>
|
|
</span><span id="223" class="l"> <span class="php-keyword1">if</span> (!<span class="php-var">$fileinfo</span>->getIsdir()) {
|
|
</span><span id="224" class="l"> <span class="php-var">$fp</span> = @<span class="php-keyword2">fopen</span>(<span class="php-var">$output</span>, <span class="php-quote">"wb"</span>);
|
|
</span><span id="225" class="l"> <span class="php-keyword1">if</span> (!<span class="php-var">$fp</span>) {
|
|
</span><span id="226" class="l"> <span class="php-keyword1">throw</span> <span class="php-keyword1">new</span> ArchiveIOException(<span class="php-quote">'Could not open file for writing: '</span>.<span class="php-var">$output</span>);
|
|
</span><span id="227" class="l"> }
|
|
</span><span id="228" class="l">
|
|
</span><span id="229" class="l"> <span class="php-var">$size</span> = <span class="php-keyword2">floor</span>(<span class="php-var">$header</span>[<span class="php-quote">'size'</span>] / <span class="php-num">512</span>);
|
|
</span><span id="230" class="l"> <span class="php-keyword1">for</span> (<span class="php-var">$i</span> = <span class="php-num">0</span>; <span class="php-var">$i</span> < <span class="php-var">$size</span>; <span class="php-var">$i</span>++) {
|
|
</span><span id="231" class="l"> <span class="php-keyword2">fwrite</span>(<span class="php-var">$fp</span>, <span class="php-var">$this</span>->readbytes(<span class="php-num">512</span>), <span class="php-num">512</span>);
|
|
</span><span id="232" class="l"> }
|
|
</span><span id="233" class="l"> <span class="php-keyword1">if</span> ((<span class="php-var">$header</span>[<span class="php-quote">'size'</span>] % <span class="php-num">512</span>) != <span class="php-num">0</span>) {
|
|
</span><span id="234" class="l"> <span class="php-keyword2">fwrite</span>(<span class="php-var">$fp</span>, <span class="php-var">$this</span>->readbytes(<span class="php-num">512</span>), <span class="php-var">$header</span>[<span class="php-quote">'size'</span>] % <span class="php-num">512</span>);
|
|
</span><span id="235" class="l"> }
|
|
</span><span id="236" class="l">
|
|
</span><span id="237" class="l"> <span class="php-keyword2">fclose</span>(<span class="php-var">$fp</span>);
|
|
</span><span id="238" class="l"> @<span class="php-keyword2">touch</span>(<span class="php-var">$output</span>, <span class="php-var">$fileinfo</span>->getMtime());
|
|
</span><span id="239" class="l"> @<span class="php-keyword2">chmod</span>(<span class="php-var">$output</span>, <span class="php-var">$fileinfo</span>->getMode());
|
|
</span><span id="240" class="l"> } <span class="php-keyword1">else</span> {
|
|
</span><span id="241" class="l"> <span class="php-var">$this</span>->skipbytes(<span class="php-keyword2">ceil</span>(<span class="php-var">$header</span>[<span class="php-quote">'size'</span>] / <span class="php-num">512</span>) * <span class="php-num">512</span>); <span class="php-comment">// the size is usually 0 for directories</span>
|
|
</span><span id="242" class="l"> }
|
|
</span><span id="243" class="l">
|
|
</span><span id="244" class="l"> <span class="php-keyword1">if</span>(<span class="php-keyword2">is_callable</span>(<span class="php-var">$this</span>->callback)) {
|
|
</span><span id="245" class="l"> <span class="php-keyword2">call_user_func</span>(<span class="php-var">$this</span>->callback, <span class="php-var">$fileinfo</span>);
|
|
</span><span id="246" class="l"> }
|
|
</span><span id="247" class="l"> <span class="php-var">$extracted</span>[] = <span class="php-var">$fileinfo</span>;
|
|
</span><span id="248" class="l"> }
|
|
</span><span id="249" class="l">
|
|
</span><span id="250" class="l"> <span class="php-var">$this</span>->close();
|
|
</span><span id="251" class="l"> <span class="php-keyword1">return</span> <span class="php-var">$extracted</span>;
|
|
</span><span id="252" class="l"> }
|
|
</span><span id="253" class="l">
|
|
</span><span id="254" class="l"> <span class="php-comment">/**
|
|
</span></span><span id="255" class="l"><span class="php-comment"> * Create a new TAR file
|
|
</span></span><span id="256" class="l"><span class="php-comment"> *
|
|
</span></span><span id="257" class="l"><span class="php-comment"> * If $file is empty, the tar file will be created in memory
|
|
</span></span><span id="258" class="l"><span class="php-comment"> *
|
|
</span></span><span id="259" class="l"><span class="php-comment"> * @param string $file
|
|
</span></span><span id="260" class="l"><span class="php-comment"> * @throws ArchiveIOException
|
|
</span></span><span id="261" class="l"><span class="php-comment"> * @throws ArchiveIllegalCompressionException
|
|
</span></span><span id="262" class="l"><span class="php-comment"> */</span>
|
|
</span><span id="263" class="l"> <span class="php-keyword1">public</span> <span class="php-keyword1">function</span> create(<span class="php-var">$file</span> = <span class="php-quote">''</span>)
|
|
</span><span id="264" class="l"> {
|
|
</span><span id="265" class="l"> <span class="php-var">$this</span>-><span class="php-keyword2">file</span> = <span class="php-var">$file</span>;
|
|
</span><span id="266" class="l"> <span class="php-var">$this</span>->memory = <span class="php-quote">''</span>;
|
|
</span><span id="267" class="l"> <span class="php-var">$this</span>->fh = <span class="php-num">0</span>;
|
|
</span><span id="268" class="l">
|
|
</span><span id="269" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$this</span>-><span class="php-keyword2">file</span>) {
|
|
</span><span id="270" class="l"> <span class="php-comment">// determine compression</span>
|
|
</span><span id="271" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$this</span>->comptype == Archive::COMPRESS_AUTO) {
|
|
</span><span id="272" class="l"> <span class="php-var">$this</span>->setCompression(<span class="php-var">$this</span>->complevel, <span class="php-var">$this</span>-><span class="php-keyword2">filetype</span>(<span class="php-var">$file</span>));
|
|
</span><span id="273" class="l"> }
|
|
</span><span id="274" class="l">
|
|
</span><span id="275" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$this</span>->comptype === Archive::COMPRESS_GZIP) {
|
|
</span><span id="276" class="l"> <span class="php-var">$this</span>->fh = @<span class="php-keyword2">gzopen</span>(<span class="php-var">$this</span>-><span class="php-keyword2">file</span>, <span class="php-quote">'wb'</span>.<span class="php-var">$this</span>->complevel);
|
|
</span><span id="277" class="l"> } <span class="php-keyword1">elseif</span> (<span class="php-var">$this</span>->comptype === Archive::COMPRESS_BZIP) {
|
|
</span><span id="278" class="l"> <span class="php-var">$this</span>->fh = @<span class="php-keyword2">bzopen</span>(<span class="php-var">$this</span>-><span class="php-keyword2">file</span>, <span class="php-quote">'w'</span>);
|
|
</span><span id="279" class="l"> } <span class="php-keyword1">else</span> {
|
|
</span><span id="280" class="l"> <span class="php-var">$this</span>->fh = @<span class="php-keyword2">fopen</span>(<span class="php-var">$this</span>-><span class="php-keyword2">file</span>, <span class="php-quote">'wb'</span>);
|
|
</span><span id="281" class="l"> }
|
|
</span><span id="282" class="l">
|
|
</span><span id="283" class="l"> <span class="php-keyword1">if</span> (!<span class="php-var">$this</span>->fh) {
|
|
</span><span id="284" class="l"> <span class="php-keyword1">throw</span> <span class="php-keyword1">new</span> ArchiveIOException(<span class="php-quote">'Could not open file for writing: '</span>.<span class="php-var">$this</span>-><span class="php-keyword2">file</span>);
|
|
</span><span id="285" class="l"> }
|
|
</span><span id="286" class="l"> }
|
|
</span><span id="287" class="l"> <span class="php-var">$this</span>->writeaccess = <span class="php-keyword1">true</span>;
|
|
</span><span id="288" class="l"> <span class="php-var">$this</span>->closed = <span class="php-keyword1">false</span>;
|
|
</span><span id="289" class="l"> }
|
|
</span><span id="290" class="l">
|
|
</span><span id="291" class="l"> <span class="php-comment">/**
|
|
</span></span><span id="292" class="l"><span class="php-comment"> * Add a file to the current TAR archive using an existing file in the filesystem
|
|
</span></span><span id="293" class="l"><span class="php-comment"> *
|
|
</span></span><span id="294" class="l"><span class="php-comment"> * @param string $file path to the original file
|
|
</span></span><span id="295" class="l"><span class="php-comment"> * @param string|FileInfo $fileinfo either the name to us in archive (string) or a FileInfo oject with all meta data, empty to take from original
|
|
</span></span><span id="296" class="l"><span class="php-comment"> * @throws ArchiveCorruptedException when the file changes while reading it, the archive will be corrupt and should be deleted
|
|
</span></span><span id="297" class="l"><span class="php-comment"> * @throws ArchiveIOException there was trouble reading the given file, it was not added
|
|
</span></span><span id="298" class="l"><span class="php-comment"> * @throws FileInfoException trouble reading file info, it was not added
|
|
</span></span><span id="299" class="l"><span class="php-comment"> */</span>
|
|
</span><span id="300" class="l"> <span class="php-keyword1">public</span> <span class="php-keyword1">function</span> addFile(<span class="php-var">$file</span>, <span class="php-var">$fileinfo</span> = <span class="php-quote">''</span>)
|
|
</span><span id="301" class="l"> {
|
|
</span><span id="302" class="l"> <span class="php-keyword1">if</span> (<span class="php-keyword2">is_string</span>(<span class="php-var">$fileinfo</span>)) {
|
|
</span><span id="303" class="l"> <span class="php-var">$fileinfo</span> = FileInfo::fromPath(<span class="php-var">$file</span>, <span class="php-var">$fileinfo</span>);
|
|
</span><span id="304" class="l"> }
|
|
</span><span id="305" class="l">
|
|
</span><span id="306" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$this</span>->closed) {
|
|
</span><span id="307" class="l"> <span class="php-keyword1">throw</span> <span class="php-keyword1">new</span> ArchiveIOException(<span class="php-quote">'Archive has been closed, files can no longer be added'</span>);
|
|
</span><span id="308" class="l"> }
|
|
</span><span id="309" class="l">
|
|
</span><span id="310" class="l"> <span class="php-comment">// create file header</span>
|
|
</span><span id="311" class="l"> <span class="php-var">$this</span>->writeFileHeader(<span class="php-var">$fileinfo</span>);
|
|
</span><span id="312" class="l">
|
|
</span><span id="313" class="l"> <span class="php-comment">// write data, but only if we have data to write.</span>
|
|
</span><span id="314" class="l"> <span class="php-comment">// note: on Windows fopen() on a directory will fail, so we prevent</span>
|
|
</span><span id="315" class="l"> <span class="php-comment">// errors on Windows by testing if we have data to write.</span>
|
|
</span><span id="316" class="l"> <span class="php-keyword1">if</span> (!<span class="php-var">$fileinfo</span>->getIsdir() && <span class="php-var">$fileinfo</span>->getSize() > <span class="php-num">0</span>) {
|
|
</span><span id="317" class="l"> <span class="php-var">$read</span> = <span class="php-num">0</span>;
|
|
</span><span id="318" class="l"> <span class="php-var">$fp</span> = @<span class="php-keyword2">fopen</span>(<span class="php-var">$file</span>, <span class="php-quote">'rb'</span>);
|
|
</span><span id="319" class="l"> <span class="php-keyword1">if</span> (!<span class="php-var">$fp</span>) {
|
|
</span><span id="320" class="l"> <span class="php-keyword1">throw</span> <span class="php-keyword1">new</span> ArchiveIOException(<span class="php-quote">'Could not open file for reading: '</span> . <span class="php-var">$file</span>);
|
|
</span><span id="321" class="l"> }
|
|
</span><span id="322" class="l"> <span class="php-keyword1">while</span> (!<span class="php-keyword2">feof</span>(<span class="php-var">$fp</span>)) {
|
|
</span><span id="323" class="l"> <span class="php-comment">// for performance reasons read bigger chunks at once</span>
|
|
</span><span id="324" class="l"> <span class="php-var">$data</span> = <span class="php-keyword2">fread</span>(<span class="php-var">$fp</span>, self::READ_CHUNK_SIZE);
|
|
</span><span id="325" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$data</span> === <span class="php-keyword1">false</span>) {
|
|
</span><span id="326" class="l"> <span class="php-keyword1">break</span>;
|
|
</span><span id="327" class="l"> }
|
|
</span><span id="328" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$data</span> === <span class="php-quote">''</span>) {
|
|
</span><span id="329" class="l"> <span class="php-keyword1">break</span>;
|
|
</span><span id="330" class="l"> }
|
|
</span><span id="331" class="l"> <span class="php-var">$dataLen</span> = <span class="php-keyword2">strlen</span>(<span class="php-var">$data</span>);
|
|
</span><span id="332" class="l"> <span class="php-var">$read</span> += <span class="php-var">$dataLen</span>;
|
|
</span><span id="333" class="l"> <span class="php-comment">// how much of data read fully fills 512-byte blocks?</span>
|
|
</span><span id="334" class="l"> <span class="php-var">$passLen</span> = (<span class="php-var">$dataLen</span> >> <span class="php-num">9</span>) << <span class="php-num">9</span>;
|
|
</span><span id="335" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$passLen</span> === <span class="php-var">$dataLen</span>) {
|
|
</span><span id="336" class="l"> <span class="php-comment">// all - just write the data</span>
|
|
</span><span id="337" class="l"> <span class="php-var">$this</span>->writebytes(<span class="php-var">$data</span>);
|
|
</span><span id="338" class="l"> } <span class="php-keyword1">else</span> {
|
|
</span><span id="339" class="l"> <span class="php-comment">// directly write what fills 512-byte blocks fully</span>
|
|
</span><span id="340" class="l"> <span class="php-var">$this</span>->writebytes(<span class="php-keyword2">substr</span>(<span class="php-var">$data</span>, <span class="php-num">0</span>, <span class="php-var">$passLen</span>));
|
|
</span><span id="341" class="l"> <span class="php-comment">// pad the reminder to 512 bytes</span>
|
|
</span><span id="342" class="l"> <span class="php-var">$this</span>->writebytes(<span class="php-keyword2">pack</span>(<span class="php-quote">"a512"</span>, <span class="php-keyword2">substr</span>(<span class="php-var">$data</span>, <span class="php-var">$passLen</span>)));
|
|
</span><span id="343" class="l"> }
|
|
</span><span id="344" class="l"> }
|
|
</span><span id="345" class="l"> <span class="php-keyword2">fclose</span>(<span class="php-var">$fp</span>);
|
|
</span><span id="346" class="l">
|
|
</span><span id="347" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$read</span> != <span class="php-var">$fileinfo</span>->getSize()) {
|
|
</span><span id="348" class="l"> <span class="php-var">$this</span>->close();
|
|
</span><span id="349" class="l"> <span class="php-keyword1">throw</span> <span class="php-keyword1">new</span> ArchiveCorruptedException(<span class="php-quote">"The size of </span><span class="php-var">$file</span><span class="php-quote"> changed while reading, archive corrupted. read </span><span class="php-var">$read</span><span class="php-quote"> expected "</span>.<span class="php-var">$fileinfo</span>->getSize());
|
|
</span><span id="350" class="l"> }
|
|
</span><span id="351" class="l"> }
|
|
</span><span id="352" class="l">
|
|
</span><span id="353" class="l"> <span class="php-keyword1">if</span>(<span class="php-keyword2">is_callable</span>(<span class="php-var">$this</span>->callback)) {
|
|
</span><span id="354" class="l"> <span class="php-keyword2">call_user_func</span>(<span class="php-var">$this</span>->callback, <span class="php-var">$fileinfo</span>);
|
|
</span><span id="355" class="l"> }
|
|
</span><span id="356" class="l"> }
|
|
</span><span id="357" class="l">
|
|
</span><span id="358" class="l"> <span class="php-comment">/**
|
|
</span></span><span id="359" class="l"><span class="php-comment"> * Add a file to the current TAR archive using the given $data as content
|
|
</span></span><span id="360" class="l"><span class="php-comment"> *
|
|
</span></span><span id="361" class="l"><span class="php-comment"> * @param string|FileInfo $fileinfo either the name to us in archive (string) or a FileInfo oject with all meta data
|
|
</span></span><span id="362" class="l"><span class="php-comment"> * @param string $data binary content of the file to add
|
|
</span></span><span id="363" class="l"><span class="php-comment"> * @throws ArchiveIOException
|
|
</span></span><span id="364" class="l"><span class="php-comment"> */</span>
|
|
</span><span id="365" class="l"> <span class="php-keyword1">public</span> <span class="php-keyword1">function</span> addData(<span class="php-var">$fileinfo</span>, <span class="php-var">$data</span>)
|
|
</span><span id="366" class="l"> {
|
|
</span><span id="367" class="l"> <span class="php-keyword1">if</span> (<span class="php-keyword2">is_string</span>(<span class="php-var">$fileinfo</span>)) {
|
|
</span><span id="368" class="l"> <span class="php-var">$fileinfo</span> = <span class="php-keyword1">new</span> FileInfo(<span class="php-var">$fileinfo</span>);
|
|
</span><span id="369" class="l"> }
|
|
</span><span id="370" class="l">
|
|
</span><span id="371" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$this</span>->closed) {
|
|
</span><span id="372" class="l"> <span class="php-keyword1">throw</span> <span class="php-keyword1">new</span> ArchiveIOException(<span class="php-quote">'Archive has been closed, files can no longer be added'</span>);
|
|
</span><span id="373" class="l"> }
|
|
</span><span id="374" class="l">
|
|
</span><span id="375" class="l"> <span class="php-var">$len</span> = <span class="php-keyword2">strlen</span>(<span class="php-var">$data</span>);
|
|
</span><span id="376" class="l"> <span class="php-var">$fileinfo</span>->setSize(<span class="php-var">$len</span>);
|
|
</span><span id="377" class="l"> <span class="php-var">$this</span>->writeFileHeader(<span class="php-var">$fileinfo</span>);
|
|
</span><span id="378" class="l">
|
|
</span><span id="379" class="l"> <span class="php-comment">// write directly everything but the last block which needs padding</span>
|
|
</span><span id="380" class="l"> <span class="php-var">$passLen</span> = (<span class="php-var">$len</span> >> <span class="php-num">9</span>) << <span class="php-num">9</span>;
|
|
</span><span id="381" class="l"> <span class="php-var">$this</span>->writebytes(<span class="php-keyword2">substr</span>(<span class="php-var">$data</span>, <span class="php-num">0</span>, <span class="php-var">$passLen</span>));
|
|
</span><span id="382" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$passLen</span> < <span class="php-var">$len</span>) {
|
|
</span><span id="383" class="l"> <span class="php-var">$this</span>->writebytes(<span class="php-keyword2">pack</span>(<span class="php-quote">"a512"</span>, <span class="php-keyword2">substr</span>(<span class="php-var">$data</span>, <span class="php-var">$passLen</span>, <span class="php-num">512</span>)));
|
|
</span><span id="384" class="l"> }
|
|
</span><span id="385" class="l">
|
|
</span><span id="386" class="l"> <span class="php-keyword1">if</span> (<span class="php-keyword2">is_callable</span>(<span class="php-var">$this</span>->callback)) {
|
|
</span><span id="387" class="l"> <span class="php-keyword2">call_user_func</span>(<span class="php-var">$this</span>->callback, <span class="php-var">$fileinfo</span>);
|
|
</span><span id="388" class="l"> }
|
|
</span><span id="389" class="l"> }
|
|
</span><span id="390" class="l">
|
|
</span><span id="391" class="l"> <span class="php-comment">/**
|
|
</span></span><span id="392" class="l"><span class="php-comment"> * Add the closing footer to the archive if in write mode, close all file handles
|
|
</span></span><span id="393" class="l"><span class="php-comment"> *
|
|
</span></span><span id="394" class="l"><span class="php-comment"> * After a call to this function no more data can be added to the archive, for
|
|
</span></span><span id="395" class="l"><span class="php-comment"> * read access no reading is allowed anymore
|
|
</span></span><span id="396" class="l"><span class="php-comment"> *
|
|
</span></span><span id="397" class="l"><span class="php-comment"> * "Physically, an archive consists of a series of file entries terminated by an end-of-archive entry, which
|
|
</span></span><span id="398" class="l"><span class="php-comment"> * consists of two 512 blocks of zero bytes"
|
|
</span></span><span id="399" class="l"><span class="php-comment"> *
|
|
</span></span><span id="400" class="l"><span class="php-comment"> * @link http://www.gnu.org/software/tar/manual/html_chapter/tar_8.html#SEC134
|
|
</span></span><span id="401" class="l"><span class="php-comment"> * @throws ArchiveIOException
|
|
</span></span><span id="402" class="l"><span class="php-comment"> */</span>
|
|
</span><span id="403" class="l"> <span class="php-keyword1">public</span> <span class="php-keyword1">function</span> close()
|
|
</span><span id="404" class="l"> {
|
|
</span><span id="405" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$this</span>->closed) {
|
|
</span><span id="406" class="l"> <span class="php-keyword1">return</span>;
|
|
</span><span id="407" class="l"> } <span class="php-comment">// we did this already</span>
|
|
</span><span id="408" class="l">
|
|
</span><span id="409" class="l"> <span class="php-comment">// write footer</span>
|
|
</span><span id="410" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$this</span>->writeaccess) {
|
|
</span><span id="411" class="l"> <span class="php-var">$this</span>->writebytes(<span class="php-keyword2">pack</span>(<span class="php-quote">"a512"</span>, <span class="php-quote">""</span>));
|
|
</span><span id="412" class="l"> <span class="php-var">$this</span>->writebytes(<span class="php-keyword2">pack</span>(<span class="php-quote">"a512"</span>, <span class="php-quote">""</span>));
|
|
</span><span id="413" class="l"> }
|
|
</span><span id="414" class="l">
|
|
</span><span id="415" class="l"> <span class="php-comment">// close file handles</span>
|
|
</span><span id="416" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$this</span>-><span class="php-keyword2">file</span>) {
|
|
</span><span id="417" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$this</span>->comptype === Archive::COMPRESS_GZIP) {
|
|
</span><span id="418" class="l"> <span class="php-keyword2">gzclose</span>(<span class="php-var">$this</span>->fh);
|
|
</span><span id="419" class="l"> } <span class="php-keyword1">elseif</span> (<span class="php-var">$this</span>->comptype === Archive::COMPRESS_BZIP) {
|
|
</span><span id="420" class="l"> <span class="php-keyword2">bzclose</span>(<span class="php-var">$this</span>->fh);
|
|
</span><span id="421" class="l"> } <span class="php-keyword1">else</span> {
|
|
</span><span id="422" class="l"> <span class="php-keyword2">fclose</span>(<span class="php-var">$this</span>->fh);
|
|
</span><span id="423" class="l"> }
|
|
</span><span id="424" class="l">
|
|
</span><span id="425" class="l"> <span class="php-var">$this</span>-><span class="php-keyword2">file</span> = <span class="php-quote">''</span>;
|
|
</span><span id="426" class="l"> <span class="php-var">$this</span>->fh = <span class="php-num">0</span>;
|
|
</span><span id="427" class="l"> }
|
|
</span><span id="428" class="l">
|
|
</span><span id="429" class="l"> <span class="php-var">$this</span>->writeaccess = <span class="php-keyword1">false</span>;
|
|
</span><span id="430" class="l"> <span class="php-var">$this</span>->closed = <span class="php-keyword1">true</span>;
|
|
</span><span id="431" class="l"> }
|
|
</span><span id="432" class="l">
|
|
</span><span id="433" class="l"> <span class="php-comment">/**
|
|
</span></span><span id="434" class="l"><span class="php-comment"> * Returns the created in-memory archive data
|
|
</span></span><span id="435" class="l"><span class="php-comment"> *
|
|
</span></span><span id="436" class="l"><span class="php-comment"> * This implicitly calls close() on the Archive
|
|
</span></span><span id="437" class="l"><span class="php-comment"> * @throws ArchiveIOException
|
|
</span></span><span id="438" class="l"><span class="php-comment"> */</span>
|
|
</span><span id="439" class="l"> <span class="php-keyword1">public</span> <span class="php-keyword1">function</span> getArchive()
|
|
</span><span id="440" class="l"> {
|
|
</span><span id="441" class="l"> <span class="php-var">$this</span>->close();
|
|
</span><span id="442" class="l">
|
|
</span><span id="443" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$this</span>->comptype === Archive::COMPRESS_AUTO) {
|
|
</span><span id="444" class="l"> <span class="php-var">$this</span>->comptype = Archive::COMPRESS_NONE;
|
|
</span><span id="445" class="l"> }
|
|
</span><span id="446" class="l">
|
|
</span><span id="447" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$this</span>->comptype === Archive::COMPRESS_GZIP) {
|
|
</span><span id="448" class="l"> <span class="php-keyword1">return</span> <span class="php-keyword2">gzencode</span>(<span class="php-var">$this</span>->memory, <span class="php-var">$this</span>->complevel);
|
|
</span><span id="449" class="l"> }
|
|
</span><span id="450" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$this</span>->comptype === Archive::COMPRESS_BZIP) {
|
|
</span><span id="451" class="l"> <span class="php-keyword1">return</span> <span class="php-keyword2">bzcompress</span>(<span class="php-var">$this</span>->memory);
|
|
</span><span id="452" class="l"> }
|
|
</span><span id="453" class="l"> <span class="php-keyword1">return</span> <span class="php-var">$this</span>->memory;
|
|
</span><span id="454" class="l"> }
|
|
</span><span id="455" class="l">
|
|
</span><span id="456" class="l"> <span class="php-comment">/**
|
|
</span></span><span id="457" class="l"><span class="php-comment"> * Save the created in-memory archive data
|
|
</span></span><span id="458" class="l"><span class="php-comment"> *
|
|
</span></span><span id="459" class="l"><span class="php-comment"> * Note: It more memory effective to specify the filename in the create() function and
|
|
</span></span><span id="460" class="l"><span class="php-comment"> * let the library work on the new file directly.
|
|
</span></span><span id="461" class="l"><span class="php-comment"> *
|
|
</span></span><span id="462" class="l"><span class="php-comment"> * @param string $file
|
|
</span></span><span id="463" class="l"><span class="php-comment"> * @throws ArchiveIOException
|
|
</span></span><span id="464" class="l"><span class="php-comment"> * @throws ArchiveIllegalCompressionException
|
|
</span></span><span id="465" class="l"><span class="php-comment"> */</span>
|
|
</span><span id="466" class="l"> <span class="php-keyword1">public</span> <span class="php-keyword1">function</span> save(<span class="php-var">$file</span>)
|
|
</span><span id="467" class="l"> {
|
|
</span><span id="468" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$this</span>->comptype === Archive::COMPRESS_AUTO) {
|
|
</span><span id="469" class="l"> <span class="php-var">$this</span>->setCompression(<span class="php-var">$this</span>->complevel, <span class="php-var">$this</span>-><span class="php-keyword2">filetype</span>(<span class="php-var">$file</span>));
|
|
</span><span id="470" class="l"> }
|
|
</span><span id="471" class="l">
|
|
</span><span id="472" class="l"> <span class="php-keyword1">if</span> (!@<span class="php-keyword2">file_put_contents</span>(<span class="php-var">$file</span>, <span class="php-var">$this</span>->getArchive())) {
|
|
</span><span id="473" class="l"> <span class="php-keyword1">throw</span> <span class="php-keyword1">new</span> ArchiveIOException(<span class="php-quote">'Could not write to file: '</span>.<span class="php-var">$file</span>);
|
|
</span><span id="474" class="l"> }
|
|
</span><span id="475" class="l"> }
|
|
</span><span id="476" class="l">
|
|
</span><span id="477" class="l"> <span class="php-comment">/**
|
|
</span></span><span id="478" class="l"><span class="php-comment"> * Read from the open file pointer
|
|
</span></span><span id="479" class="l"><span class="php-comment"> *
|
|
</span></span><span id="480" class="l"><span class="php-comment"> * @param int $length bytes to read
|
|
</span></span><span id="481" class="l"><span class="php-comment"> * @return string
|
|
</span></span><span id="482" class="l"><span class="php-comment"> */</span>
|
|
</span><span id="483" class="l"> <span class="php-keyword1">protected</span> <span class="php-keyword1">function</span> readbytes(<span class="php-var">$length</span>)
|
|
</span><span id="484" class="l"> {
|
|
</span><span id="485" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$this</span>->comptype === Archive::COMPRESS_GZIP) {
|
|
</span><span id="486" class="l"> <span class="php-var">$ret</span> = @<span class="php-keyword2">gzread</span>(<span class="php-var">$this</span>->fh, <span class="php-var">$length</span>);
|
|
</span><span id="487" class="l"> } <span class="php-keyword1">elseif</span> (<span class="php-var">$this</span>->comptype === Archive::COMPRESS_BZIP) {
|
|
</span><span id="488" class="l"> <span class="php-var">$ret</span> = @<span class="php-keyword2">bzread</span>(<span class="php-var">$this</span>->fh, <span class="php-var">$length</span>);
|
|
</span><span id="489" class="l"> } <span class="php-keyword1">else</span> {
|
|
</span><span id="490" class="l"> <span class="php-var">$ret</span> = @<span class="php-keyword2">fread</span>(<span class="php-var">$this</span>->fh, <span class="php-var">$length</span>);
|
|
</span><span id="491" class="l"> }
|
|
</span><span id="492" class="l"> <span class="php-var">$this</span>->position += <span class="php-keyword2">strlen</span>(<span class="php-var">$ret</span>);
|
|
</span><span id="493" class="l"> <span class="php-keyword1">return</span> <span class="php-var">$ret</span>;
|
|
</span><span id="494" class="l"> }
|
|
</span><span id="495" class="l">
|
|
</span><span id="496" class="l"> <span class="php-comment">/**
|
|
</span></span><span id="497" class="l"><span class="php-comment"> * Write to the open filepointer or memory
|
|
</span></span><span id="498" class="l"><span class="php-comment"> *
|
|
</span></span><span id="499" class="l"><span class="php-comment"> * @param string $data
|
|
</span></span><span id="500" class="l"><span class="php-comment"> * @throws ArchiveIOException
|
|
</span></span><span id="501" class="l"><span class="php-comment"> * @return int number of bytes written
|
|
</span></span><span id="502" class="l"><span class="php-comment"> */</span>
|
|
</span><span id="503" class="l"> <span class="php-keyword1">protected</span> <span class="php-keyword1">function</span> writebytes(<span class="php-var">$data</span>)
|
|
</span><span id="504" class="l"> {
|
|
</span><span id="505" class="l"> <span class="php-keyword1">if</span> (!<span class="php-var">$this</span>-><span class="php-keyword2">file</span>) {
|
|
</span><span id="506" class="l"> <span class="php-var">$this</span>->memory .= <span class="php-var">$data</span>;
|
|
</span><span id="507" class="l"> <span class="php-var">$written</span> = <span class="php-keyword2">strlen</span>(<span class="php-var">$data</span>);
|
|
</span><span id="508" class="l"> } <span class="php-keyword1">elseif</span> (<span class="php-var">$this</span>->comptype === Archive::COMPRESS_GZIP) {
|
|
</span><span id="509" class="l"> <span class="php-var">$written</span> = @<span class="php-keyword2">gzwrite</span>(<span class="php-var">$this</span>->fh, <span class="php-var">$data</span>);
|
|
</span><span id="510" class="l"> } <span class="php-keyword1">elseif</span> (<span class="php-var">$this</span>->comptype === Archive::COMPRESS_BZIP) {
|
|
</span><span id="511" class="l"> <span class="php-var">$written</span> = @<span class="php-keyword2">bzwrite</span>(<span class="php-var">$this</span>->fh, <span class="php-var">$data</span>);
|
|
</span><span id="512" class="l"> } <span class="php-keyword1">else</span> {
|
|
</span><span id="513" class="l"> <span class="php-var">$written</span> = @<span class="php-keyword2">fwrite</span>(<span class="php-var">$this</span>->fh, <span class="php-var">$data</span>);
|
|
</span><span id="514" class="l"> }
|
|
</span><span id="515" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$written</span> === <span class="php-keyword1">false</span>) {
|
|
</span><span id="516" class="l"> <span class="php-keyword1">throw</span> <span class="php-keyword1">new</span> ArchiveIOException(<span class="php-quote">'Failed to write to archive stream'</span>);
|
|
</span><span id="517" class="l"> }
|
|
</span><span id="518" class="l"> <span class="php-keyword1">return</span> <span class="php-var">$written</span>;
|
|
</span><span id="519" class="l"> }
|
|
</span><span id="520" class="l">
|
|
</span><span id="521" class="l"> <span class="php-comment">/**
|
|
</span></span><span id="522" class="l"><span class="php-comment"> * Skip forward in the open file pointer
|
|
</span></span><span id="523" class="l"><span class="php-comment"> *
|
|
</span></span><span id="524" class="l"><span class="php-comment"> * This is basically a wrapper around seek() (and a workaround for bzip2)
|
|
</span></span><span id="525" class="l"><span class="php-comment"> *
|
|
</span></span><span id="526" class="l"><span class="php-comment"> * @param int $bytes seek to this position
|
|
</span></span><span id="527" class="l"><span class="php-comment"> */</span>
|
|
</span><span id="528" class="l"> <span class="php-keyword1">protected</span> <span class="php-keyword1">function</span> skipbytes(<span class="php-var">$bytes</span>)
|
|
</span><span id="529" class="l"> {
|
|
</span><span id="530" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$this</span>->comptype === Archive::COMPRESS_GZIP) {
|
|
</span><span id="531" class="l"> @<span class="php-keyword2">gzseek</span>(<span class="php-var">$this</span>->fh, <span class="php-var">$bytes</span>, SEEK_CUR);
|
|
</span><span id="532" class="l"> } <span class="php-keyword1">elseif</span> (<span class="php-var">$this</span>->comptype === Archive::COMPRESS_BZIP) {
|
|
</span><span id="533" class="l"> <span class="php-comment">// there is no seek in bzip2, we simply read on</span>
|
|
</span><span id="534" class="l"> <span class="php-comment">// bzread allows to read a max of 8kb at once</span>
|
|
</span><span id="535" class="l"> <span class="php-keyword1">while</span>(<span class="php-var">$bytes</span>) {
|
|
</span><span id="536" class="l"> <span class="php-var">$toread</span> = <span class="php-keyword2">min</span>(<span class="php-num">8192</span>, <span class="php-var">$bytes</span>);
|
|
</span><span id="537" class="l"> @<span class="php-keyword2">bzread</span>(<span class="php-var">$this</span>->fh, <span class="php-var">$toread</span>);
|
|
</span><span id="538" class="l"> <span class="php-var">$bytes</span> -= <span class="php-var">$toread</span>;
|
|
</span><span id="539" class="l"> }
|
|
</span><span id="540" class="l"> } <span class="php-keyword1">else</span> {
|
|
</span><span id="541" class="l"> @<span class="php-keyword2">fseek</span>(<span class="php-var">$this</span>->fh, <span class="php-var">$bytes</span>, SEEK_CUR);
|
|
</span><span id="542" class="l"> }
|
|
</span><span id="543" class="l"> <span class="php-var">$this</span>->position += <span class="php-var">$bytes</span>;
|
|
</span><span id="544" class="l"> }
|
|
</span><span id="545" class="l">
|
|
</span><span id="546" class="l"> <span class="php-comment">/**
|
|
</span></span><span id="547" class="l"><span class="php-comment"> * Write the given file meta data as header
|
|
</span></span><span id="548" class="l"><span class="php-comment"> *
|
|
</span></span><span id="549" class="l"><span class="php-comment"> * @param FileInfo $fileinfo
|
|
</span></span><span id="550" class="l"><span class="php-comment"> * @throws ArchiveIOException
|
|
</span></span><span id="551" class="l"><span class="php-comment"> */</span>
|
|
</span><span id="552" class="l"> <span class="php-keyword1">protected</span> <span class="php-keyword1">function</span> writeFileHeader(FileInfo <span class="php-var">$fileinfo</span>)
|
|
</span><span id="553" class="l"> {
|
|
</span><span id="554" class="l"> <span class="php-var">$this</span>->writeRawFileHeader(
|
|
</span><span id="555" class="l"> <span class="php-var">$fileinfo</span>->getPath(),
|
|
</span><span id="556" class="l"> <span class="php-var">$fileinfo</span>->getUid(),
|
|
</span><span id="557" class="l"> <span class="php-var">$fileinfo</span>->getGid(),
|
|
</span><span id="558" class="l"> <span class="php-var">$fileinfo</span>->getMode(),
|
|
</span><span id="559" class="l"> <span class="php-var">$fileinfo</span>->getSize(),
|
|
</span><span id="560" class="l"> <span class="php-var">$fileinfo</span>->getMtime(),
|
|
</span><span id="561" class="l"> <span class="php-var">$fileinfo</span>->getIsdir() ? <span class="php-quote">'5'</span> : <span class="php-quote">'0'</span>
|
|
</span><span id="562" class="l"> );
|
|
</span><span id="563" class="l"> }
|
|
</span><span id="564" class="l">
|
|
</span><span id="565" class="l"> <span class="php-comment">/**
|
|
</span></span><span id="566" class="l"><span class="php-comment"> * Write a file header to the stream
|
|
</span></span><span id="567" class="l"><span class="php-comment"> *
|
|
</span></span><span id="568" class="l"><span class="php-comment"> * @param string $name
|
|
</span></span><span id="569" class="l"><span class="php-comment"> * @param int $uid
|
|
</span></span><span id="570" class="l"><span class="php-comment"> * @param int $gid
|
|
</span></span><span id="571" class="l"><span class="php-comment"> * @param int $perm
|
|
</span></span><span id="572" class="l"><span class="php-comment"> * @param int $size
|
|
</span></span><span id="573" class="l"><span class="php-comment"> * @param int $mtime
|
|
</span></span><span id="574" class="l"><span class="php-comment"> * @param string $typeflag Set to '5' for directories
|
|
</span></span><span id="575" class="l"><span class="php-comment"> * @throws ArchiveIOException
|
|
</span></span><span id="576" class="l"><span class="php-comment"> */</span>
|
|
</span><span id="577" class="l"> <span class="php-keyword1">protected</span> <span class="php-keyword1">function</span> writeRawFileHeader(<span class="php-var">$name</span>, <span class="php-var">$uid</span>, <span class="php-var">$gid</span>, <span class="php-var">$perm</span>, <span class="php-var">$size</span>, <span class="php-var">$mtime</span>, <span class="php-var">$typeflag</span> = <span class="php-quote">''</span>)
|
|
</span><span id="578" class="l"> {
|
|
</span><span id="579" class="l"> <span class="php-comment">// handle filename length restrictions</span>
|
|
</span><span id="580" class="l"> <span class="php-var">$prefix</span> = <span class="php-quote">''</span>;
|
|
</span><span id="581" class="l"> <span class="php-var">$namelen</span> = <span class="php-keyword2">strlen</span>(<span class="php-var">$name</span>);
|
|
</span><span id="582" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$namelen</span> > <span class="php-num">100</span>) {
|
|
</span><span id="583" class="l"> <span class="php-var">$file</span> = <span class="php-keyword2">basename</span>(<span class="php-var">$name</span>);
|
|
</span><span id="584" class="l"> <span class="php-var">$dir</span> = <span class="php-keyword2">dirname</span>(<span class="php-var">$name</span>);
|
|
</span><span id="585" class="l"> <span class="php-keyword1">if</span> (<span class="php-keyword2">strlen</span>(<span class="php-var">$file</span>) > <span class="php-num">100</span> || <span class="php-keyword2">strlen</span>(<span class="php-var">$dir</span>) > <span class="php-num">155</span>) {
|
|
</span><span id="586" class="l"> <span class="php-comment">// we're still too large, let's use GNU longlink</span>
|
|
</span><span id="587" class="l"> <span class="php-var">$this</span>->writeRawFileHeader(<span class="php-quote">'././@LongLink'</span>, <span class="php-num">0</span>, <span class="php-num">0</span>, <span class="php-num">0</span>, <span class="php-var">$namelen</span>, <span class="php-num">0</span>, <span class="php-quote">'L'</span>);
|
|
</span><span id="588" class="l"> <span class="php-keyword1">for</span> (<span class="php-var">$s</span> = <span class="php-num">0</span>; <span class="php-var">$s</span> < <span class="php-var">$namelen</span>; <span class="php-var">$s</span> += <span class="php-num">512</span>) {
|
|
</span><span id="589" class="l"> <span class="php-var">$this</span>->writebytes(<span class="php-keyword2">pack</span>(<span class="php-quote">"a512"</span>, <span class="php-keyword2">substr</span>(<span class="php-var">$name</span>, <span class="php-var">$s</span>, <span class="php-num">512</span>)));
|
|
</span><span id="590" class="l"> }
|
|
</span><span id="591" class="l"> <span class="php-var">$name</span> = <span class="php-keyword2">substr</span>(<span class="php-var">$name</span>, <span class="php-num">0</span>, <span class="php-num">100</span>); <span class="php-comment">// cut off name</span>
|
|
</span><span id="592" class="l"> } <span class="php-keyword1">else</span> {
|
|
</span><span id="593" class="l"> <span class="php-comment">// we're fine when splitting, use POSIX ustar</span>
|
|
</span><span id="594" class="l"> <span class="php-var">$prefix</span> = <span class="php-var">$dir</span>;
|
|
</span><span id="595" class="l"> <span class="php-var">$name</span> = <span class="php-var">$file</span>;
|
|
</span><span id="596" class="l"> }
|
|
</span><span id="597" class="l"> }
|
|
</span><span id="598" class="l">
|
|
</span><span id="599" class="l"> <span class="php-comment">// values are needed in octal</span>
|
|
</span><span id="600" class="l"> <span class="php-var">$uid</span> = <span class="php-keyword2">sprintf</span>(<span class="php-quote">"%6s "</span>, <span class="php-keyword2">decoct</span>(<span class="php-var">$uid</span>));
|
|
</span><span id="601" class="l"> <span class="php-var">$gid</span> = <span class="php-keyword2">sprintf</span>(<span class="php-quote">"%6s "</span>, <span class="php-keyword2">decoct</span>(<span class="php-var">$gid</span>));
|
|
</span><span id="602" class="l"> <span class="php-var">$perm</span> = <span class="php-keyword2">sprintf</span>(<span class="php-quote">"%6s "</span>, <span class="php-keyword2">decoct</span>(<span class="php-var">$perm</span>));
|
|
</span><span id="603" class="l"> <span class="php-var">$size</span> = self::numberEncode(<span class="php-var">$size</span>, <span class="php-num">12</span>);
|
|
</span><span id="604" class="l"> <span class="php-var">$mtime</span> = self::numberEncode(<span class="php-var">$size</span>, <span class="php-num">12</span>);
|
|
</span><span id="605" class="l">
|
|
</span><span id="606" class="l"> <span class="php-var">$data_first</span> = <span class="php-keyword2">pack</span>(<span class="php-quote">"a100a8a8a8a12A12"</span>, <span class="php-var">$name</span>, <span class="php-var">$perm</span>, <span class="php-var">$uid</span>, <span class="php-var">$gid</span>, <span class="php-var">$size</span>, <span class="php-var">$mtime</span>);
|
|
</span><span id="607" class="l"> <span class="php-var">$data_last</span> = <span class="php-keyword2">pack</span>(<span class="php-quote">"a1a100a6a2a32a32a8a8a155a12"</span>, <span class="php-var">$typeflag</span>, <span class="php-quote">''</span>, <span class="php-quote">'ustar'</span>, <span class="php-quote">''</span>, <span class="php-quote">''</span>, <span class="php-quote">''</span>, <span class="php-quote">''</span>, <span class="php-quote">''</span>, <span class="php-var">$prefix</span>, <span class="php-quote">""</span>);
|
|
</span><span id="608" class="l">
|
|
</span><span id="609" class="l"> <span class="php-keyword1">for</span> (<span class="php-var">$i</span> = <span class="php-num">0</span>, <span class="php-var">$chks</span> = <span class="php-num">0</span>; <span class="php-var">$i</span> < <span class="php-num">148</span>; <span class="php-var">$i</span>++) {
|
|
</span><span id="610" class="l"> <span class="php-var">$chks</span> += <span class="php-keyword2">ord</span>(<span class="php-var">$data_first</span>[<span class="php-var">$i</span>]);
|
|
</span><span id="611" class="l"> }
|
|
</span><span id="612" class="l">
|
|
</span><span id="613" class="l"> <span class="php-keyword1">for</span> (<span class="php-var">$i</span> = <span class="php-num">156</span>, <span class="php-var">$chks</span> += <span class="php-num">256</span>, <span class="php-var">$j</span> = <span class="php-num">0</span>; <span class="php-var">$i</span> < <span class="php-num">512</span>; <span class="php-var">$i</span>++, <span class="php-var">$j</span>++) {
|
|
</span><span id="614" class="l"> <span class="php-var">$chks</span> += <span class="php-keyword2">ord</span>(<span class="php-var">$data_last</span>[<span class="php-var">$j</span>]);
|
|
</span><span id="615" class="l"> }
|
|
</span><span id="616" class="l">
|
|
</span><span id="617" class="l"> <span class="php-var">$this</span>->writebytes(<span class="php-var">$data_first</span>);
|
|
</span><span id="618" class="l">
|
|
</span><span id="619" class="l"> <span class="php-var">$chks</span> = <span class="php-keyword2">pack</span>(<span class="php-quote">"a8"</span>, <span class="php-keyword2">sprintf</span>(<span class="php-quote">"%6s "</span>, <span class="php-keyword2">decoct</span>(<span class="php-var">$chks</span>)));
|
|
</span><span id="620" class="l"> <span class="php-var">$this</span>->writebytes(<span class="php-var">$chks</span>.<span class="php-var">$data_last</span>);
|
|
</span><span id="621" class="l"> }
|
|
</span><span id="622" class="l">
|
|
</span><span id="623" class="l"> <span class="php-comment">/**
|
|
</span></span><span id="624" class="l"><span class="php-comment"> * Decode the given tar file header
|
|
</span></span><span id="625" class="l"><span class="php-comment"> *
|
|
</span></span><span id="626" class="l"><span class="php-comment"> * @param string $block a 512 byte block containing the header data
|
|
</span></span><span id="627" class="l"><span class="php-comment"> * @return array|false returns false when this was a null block
|
|
</span></span><span id="628" class="l"><span class="php-comment"> * @throws ArchiveCorruptedException
|
|
</span></span><span id="629" class="l"><span class="php-comment"> */</span>
|
|
</span><span id="630" class="l"> <span class="php-keyword1">protected</span> <span class="php-keyword1">function</span> parseHeader(<span class="php-var">$block</span>)
|
|
</span><span id="631" class="l"> {
|
|
</span><span id="632" class="l"> <span class="php-keyword1">if</span> (!<span class="php-var">$block</span> || <span class="php-keyword2">strlen</span>(<span class="php-var">$block</span>) != <span class="php-num">512</span>) {
|
|
</span><span id="633" class="l"> <span class="php-keyword1">throw</span> <span class="php-keyword1">new</span> ArchiveCorruptedException(<span class="php-quote">'Unexpected length of header'</span>);
|
|
</span><span id="634" class="l"> }
|
|
</span><span id="635" class="l">
|
|
</span><span id="636" class="l"> <span class="php-comment">// null byte blocks are ignored</span>
|
|
</span><span id="637" class="l"> <span class="php-keyword1">if</span>(<span class="php-keyword2">trim</span>(<span class="php-var">$block</span>) === <span class="php-quote">''</span>) <span class="php-keyword1">return</span> <span class="php-keyword1">false</span>;
|
|
</span><span id="638" class="l">
|
|
</span><span id="639" class="l"> <span class="php-keyword1">for</span> (<span class="php-var">$i</span> = <span class="php-num">0</span>, <span class="php-var">$chks</span> = <span class="php-num">0</span>; <span class="php-var">$i</span> < <span class="php-num">148</span>; <span class="php-var">$i</span>++) {
|
|
</span><span id="640" class="l"> <span class="php-var">$chks</span> += <span class="php-keyword2">ord</span>(<span class="php-var">$block</span>[<span class="php-var">$i</span>]);
|
|
</span><span id="641" class="l"> }
|
|
</span><span id="642" class="l">
|
|
</span><span id="643" class="l"> <span class="php-keyword1">for</span> (<span class="php-var">$i</span> = <span class="php-num">156</span>, <span class="php-var">$chks</span> += <span class="php-num">256</span>; <span class="php-var">$i</span> < <span class="php-num">512</span>; <span class="php-var">$i</span>++) {
|
|
</span><span id="644" class="l"> <span class="php-var">$chks</span> += <span class="php-keyword2">ord</span>(<span class="php-var">$block</span>[<span class="php-var">$i</span>]);
|
|
</span><span id="645" class="l"> }
|
|
</span><span id="646" class="l">
|
|
</span><span id="647" class="l"> <span class="php-var">$header</span> = @<span class="php-keyword2">unpack</span>(
|
|
</span><span id="648" class="l"> <span class="php-quote">"a100filename/a8perm/a8uid/a8gid/a12size/a12mtime/a8checksum/a1typeflag/a100link/a6magic/a2version/a32uname/a32gname/a8devmajor/a8devminor/a155prefix"</span>,
|
|
</span><span id="649" class="l"> <span class="php-var">$block</span>
|
|
</span><span id="650" class="l"> );
|
|
</span><span id="651" class="l"> <span class="php-keyword1">if</span> (!<span class="php-var">$header</span>) {
|
|
</span><span id="652" class="l"> <span class="php-keyword1">throw</span> <span class="php-keyword1">new</span> ArchiveCorruptedException(<span class="php-quote">'Failed to parse header'</span>);
|
|
</span><span id="653" class="l"> }
|
|
</span><span id="654" class="l">
|
|
</span><span id="655" class="l"> <span class="php-var">$return</span>[<span class="php-quote">'checksum'</span>] = <span class="php-keyword2">OctDec</span>(<span class="php-keyword2">trim</span>(<span class="php-var">$header</span>[<span class="php-quote">'checksum'</span>]));
|
|
</span><span id="656" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$return</span>[<span class="php-quote">'checksum'</span>] != <span class="php-var">$chks</span>) {
|
|
</span><span id="657" class="l"> <span class="php-keyword1">throw</span> <span class="php-keyword1">new</span> ArchiveCorruptedException(<span class="php-quote">'Header does not match its checksum'</span>);
|
|
</span><span id="658" class="l"> }
|
|
</span><span id="659" class="l">
|
|
</span><span id="660" class="l"> <span class="php-var">$return</span>[<span class="php-quote">'filename'</span>] = <span class="php-keyword2">trim</span>(<span class="php-var">$header</span>[<span class="php-quote">'filename'</span>]);
|
|
</span><span id="661" class="l"> <span class="php-var">$return</span>[<span class="php-quote">'perm'</span>] = <span class="php-keyword2">OctDec</span>(<span class="php-keyword2">trim</span>(<span class="php-var">$header</span>[<span class="php-quote">'perm'</span>]));
|
|
</span><span id="662" class="l"> <span class="php-var">$return</span>[<span class="php-quote">'uid'</span>] = <span class="php-keyword2">OctDec</span>(<span class="php-keyword2">trim</span>(<span class="php-var">$header</span>[<span class="php-quote">'uid'</span>]));
|
|
</span><span id="663" class="l"> <span class="php-var">$return</span>[<span class="php-quote">'gid'</span>] = <span class="php-keyword2">OctDec</span>(<span class="php-keyword2">trim</span>(<span class="php-var">$header</span>[<span class="php-quote">'gid'</span>]));
|
|
</span><span id="664" class="l"> <span class="php-var">$return</span>[<span class="php-quote">'size'</span>] = self::numberDecode(<span class="php-var">$header</span>[<span class="php-quote">'size'</span>]);
|
|
</span><span id="665" class="l"> <span class="php-var">$return</span>[<span class="php-quote">'mtime'</span>] = self::numberDecode(<span class="php-var">$header</span>[<span class="php-quote">'mtime'</span>]);
|
|
</span><span id="666" class="l"> <span class="php-var">$return</span>[<span class="php-quote">'typeflag'</span>] = <span class="php-var">$header</span>[<span class="php-quote">'typeflag'</span>];
|
|
</span><span id="667" class="l"> <span class="php-var">$return</span>[<span class="php-quote">'link'</span>] = <span class="php-keyword2">trim</span>(<span class="php-var">$header</span>[<span class="php-quote">'link'</span>]);
|
|
</span><span id="668" class="l"> <span class="php-var">$return</span>[<span class="php-quote">'uname'</span>] = <span class="php-keyword2">trim</span>(<span class="php-var">$header</span>[<span class="php-quote">'uname'</span>]);
|
|
</span><span id="669" class="l"> <span class="php-var">$return</span>[<span class="php-quote">'gname'</span>] = <span class="php-keyword2">trim</span>(<span class="php-var">$header</span>[<span class="php-quote">'gname'</span>]);
|
|
</span><span id="670" class="l">
|
|
</span><span id="671" class="l"> <span class="php-comment">// Handle ustar Posix compliant path prefixes</span>
|
|
</span><span id="672" class="l"> <span class="php-keyword1">if</span> (<span class="php-keyword2">trim</span>(<span class="php-var">$header</span>[<span class="php-quote">'prefix'</span>])) {
|
|
</span><span id="673" class="l"> <span class="php-var">$return</span>[<span class="php-quote">'filename'</span>] = <span class="php-keyword2">trim</span>(<span class="php-var">$header</span>[<span class="php-quote">'prefix'</span>]).<span class="php-quote">'/'</span>.<span class="php-var">$return</span>[<span class="php-quote">'filename'</span>];
|
|
</span><span id="674" class="l"> }
|
|
</span><span id="675" class="l">
|
|
</span><span id="676" class="l"> <span class="php-comment">// Handle Long-Link entries from GNU Tar</span>
|
|
</span><span id="677" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$return</span>[<span class="php-quote">'typeflag'</span>] == <span class="php-quote">'L'</span>) {
|
|
</span><span id="678" class="l"> <span class="php-comment">// following data block(s) is the filename</span>
|
|
</span><span id="679" class="l"> <span class="php-var">$filename</span> = <span class="php-keyword2">trim</span>(<span class="php-var">$this</span>->readbytes(<span class="php-keyword2">ceil</span>(<span class="php-var">$return</span>[<span class="php-quote">'size'</span>] / <span class="php-num">512</span>) * <span class="php-num">512</span>));
|
|
</span><span id="680" class="l"> <span class="php-comment">// next block is the real header</span>
|
|
</span><span id="681" class="l"> <span class="php-var">$block</span> = <span class="php-var">$this</span>->readbytes(<span class="php-num">512</span>);
|
|
</span><span id="682" class="l"> <span class="php-var">$return</span> = <span class="php-var">$this</span>->parseHeader(<span class="php-var">$block</span>);
|
|
</span><span id="683" class="l"> <span class="php-comment">// overwrite the filename</span>
|
|
</span><span id="684" class="l"> <span class="php-var">$return</span>[<span class="php-quote">'filename'</span>] = <span class="php-var">$filename</span>;
|
|
</span><span id="685" class="l"> }
|
|
</span><span id="686" class="l">
|
|
</span><span id="687" class="l"> <span class="php-keyword1">return</span> <span class="php-var">$return</span>;
|
|
</span><span id="688" class="l"> }
|
|
</span><span id="689" class="l">
|
|
</span><span id="690" class="l"> <span class="php-comment">/**
|
|
</span></span><span id="691" class="l"><span class="php-comment"> * Creates a FileInfo object from the given parsed header
|
|
</span></span><span id="692" class="l"><span class="php-comment"> *
|
|
</span></span><span id="693" class="l"><span class="php-comment"> * @param $header
|
|
</span></span><span id="694" class="l"><span class="php-comment"> * @return FileInfo
|
|
</span></span><span id="695" class="l"><span class="php-comment"> */</span>
|
|
</span><span id="696" class="l"> <span class="php-keyword1">protected</span> <span class="php-keyword1">function</span> header2fileinfo(<span class="php-var">$header</span>)
|
|
</span><span id="697" class="l"> {
|
|
</span><span id="698" class="l"> <span class="php-var">$fileinfo</span> = <span class="php-keyword1">new</span> FileInfo();
|
|
</span><span id="699" class="l"> <span class="php-var">$fileinfo</span>->setPath(<span class="php-var">$header</span>[<span class="php-quote">'filename'</span>]);
|
|
</span><span id="700" class="l"> <span class="php-var">$fileinfo</span>->setMode(<span class="php-var">$header</span>[<span class="php-quote">'perm'</span>]);
|
|
</span><span id="701" class="l"> <span class="php-var">$fileinfo</span>->setUid(<span class="php-var">$header</span>[<span class="php-quote">'uid'</span>]);
|
|
</span><span id="702" class="l"> <span class="php-var">$fileinfo</span>->setGid(<span class="php-var">$header</span>[<span class="php-quote">'gid'</span>]);
|
|
</span><span id="703" class="l"> <span class="php-var">$fileinfo</span>->setSize(<span class="php-var">$header</span>[<span class="php-quote">'size'</span>]);
|
|
</span><span id="704" class="l"> <span class="php-var">$fileinfo</span>->setMtime(<span class="php-var">$header</span>[<span class="php-quote">'mtime'</span>]);
|
|
</span><span id="705" class="l"> <span class="php-var">$fileinfo</span>->setOwner(<span class="php-var">$header</span>[<span class="php-quote">'uname'</span>]);
|
|
</span><span id="706" class="l"> <span class="php-var">$fileinfo</span>->setGroup(<span class="php-var">$header</span>[<span class="php-quote">'gname'</span>]);
|
|
</span><span id="707" class="l"> <span class="php-var">$fileinfo</span>->setIsdir((bool) <span class="php-var">$header</span>[<span class="php-quote">'typeflag'</span>]);
|
|
</span><span id="708" class="l">
|
|
</span><span id="709" class="l"> <span class="php-keyword1">return</span> <span class="php-var">$fileinfo</span>;
|
|
</span><span id="710" class="l"> }
|
|
</span><span id="711" class="l">
|
|
</span><span id="712" class="l"> <span class="php-comment">/**
|
|
</span></span><span id="713" class="l"><span class="php-comment"> * Checks if the given compression type is available and throws an exception if not
|
|
</span></span><span id="714" class="l"><span class="php-comment"> *
|
|
</span></span><span id="715" class="l"><span class="php-comment"> * @param $comptype
|
|
</span></span><span id="716" class="l"><span class="php-comment"> * @throws ArchiveIllegalCompressionException
|
|
</span></span><span id="717" class="l"><span class="php-comment"> */</span>
|
|
</span><span id="718" class="l"> <span class="php-keyword1">protected</span> <span class="php-keyword1">function</span> compressioncheck(<span class="php-var">$comptype</span>)
|
|
</span><span id="719" class="l"> {
|
|
</span><span id="720" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$comptype</span> === Archive::COMPRESS_GZIP && !<span class="php-keyword2">function_exists</span>(<span class="php-quote">'gzopen'</span>)) {
|
|
</span><span id="721" class="l"> <span class="php-keyword1">throw</span> <span class="php-keyword1">new</span> ArchiveIllegalCompressionException(<span class="php-quote">'No gzip support available'</span>);
|
|
</span><span id="722" class="l"> }
|
|
</span><span id="723" class="l">
|
|
</span><span id="724" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$comptype</span> === Archive::COMPRESS_BZIP && !<span class="php-keyword2">function_exists</span>(<span class="php-quote">'bzopen'</span>)) {
|
|
</span><span id="725" class="l"> <span class="php-keyword1">throw</span> <span class="php-keyword1">new</span> ArchiveIllegalCompressionException(<span class="php-quote">'No bzip2 support available'</span>);
|
|
</span><span id="726" class="l"> }
|
|
</span><span id="727" class="l"> }
|
|
</span><span id="728" class="l">
|
|
</span><span id="729" class="l"> <span class="php-comment">/**
|
|
</span></span><span id="730" class="l"><span class="php-comment"> * Guesses the wanted compression from the given file
|
|
</span></span><span id="731" class="l"><span class="php-comment"> *
|
|
</span></span><span id="732" class="l"><span class="php-comment"> * Uses magic bytes for existing files, the file extension otherwise
|
|
</span></span><span id="733" class="l"><span class="php-comment"> *
|
|
</span></span><span id="734" class="l"><span class="php-comment"> * You don't need to call this yourself. It's used when you pass Archive::COMPRESS_AUTO somewhere
|
|
</span></span><span id="735" class="l"><span class="php-comment"> *
|
|
</span></span><span id="736" class="l"><span class="php-comment"> * @param string $file
|
|
</span></span><span id="737" class="l"><span class="php-comment"> * @return int
|
|
</span></span><span id="738" class="l"><span class="php-comment"> */</span>
|
|
</span><span id="739" class="l"> <span class="php-keyword1">public</span> <span class="php-keyword1">function</span> <span class="php-keyword2">filetype</span>(<span class="php-var">$file</span>)
|
|
</span><span id="740" class="l"> {
|
|
</span><span id="741" class="l"> <span class="php-comment">// for existing files, try to read the magic bytes</span>
|
|
</span><span id="742" class="l"> <span class="php-keyword1">if</span>(<span class="php-keyword2">file_exists</span>(<span class="php-var">$file</span>) && <span class="php-keyword2">is_readable</span>(<span class="php-var">$file</span>) && <span class="php-keyword2">filesize</span>(<span class="php-var">$file</span>) > <span class="php-num">5</span>) {
|
|
</span><span id="743" class="l"> <span class="php-var">$fh</span> = @<span class="php-keyword2">fopen</span>(<span class="php-var">$file</span>, <span class="php-quote">'rb'</span>);
|
|
</span><span id="744" class="l"> <span class="php-keyword1">if</span>(!<span class="php-var">$fh</span>) <span class="php-keyword1">return</span> <span class="php-keyword1">false</span>;
|
|
</span><span id="745" class="l"> <span class="php-var">$magic</span> = <span class="php-keyword2">fread</span>(<span class="php-var">$fh</span>, <span class="php-num">5</span>);
|
|
</span><span id="746" class="l"> <span class="php-keyword2">fclose</span>(<span class="php-var">$fh</span>);
|
|
</span><span id="747" class="l">
|
|
</span><span id="748" class="l"> <span class="php-keyword1">if</span>(<span class="php-keyword2">strpos</span>(<span class="php-var">$magic</span>, <span class="php-quote">"\x42\x5a"</span>) === <span class="php-num">0</span>) <span class="php-keyword1">return</span> Archive::COMPRESS_BZIP;
|
|
</span><span id="749" class="l"> <span class="php-keyword1">if</span>(<span class="php-keyword2">strpos</span>(<span class="php-var">$magic</span>, <span class="php-quote">"\x1f\x8b"</span>) === <span class="php-num">0</span>) <span class="php-keyword1">return</span> Archive::COMPRESS_GZIP;
|
|
</span><span id="750" class="l"> }
|
|
</span><span id="751" class="l">
|
|
</span><span id="752" class="l"> <span class="php-comment">// otherwise rely on file name</span>
|
|
</span><span id="753" class="l"> <span class="php-var">$file</span> = <span class="php-keyword2">strtolower</span>(<span class="php-var">$file</span>);
|
|
</span><span id="754" class="l"> <span class="php-keyword1">if</span> (<span class="php-keyword2">substr</span>(<span class="php-var">$file</span>, -<span class="php-num">3</span>) == <span class="php-quote">'.gz'</span> || <span class="php-keyword2">substr</span>(<span class="php-var">$file</span>, -<span class="php-num">4</span>) == <span class="php-quote">'.tgz'</span>) {
|
|
</span><span id="755" class="l"> <span class="php-keyword1">return</span> Archive::COMPRESS_GZIP;
|
|
</span><span id="756" class="l"> } <span class="php-keyword1">elseif</span> (<span class="php-keyword2">substr</span>(<span class="php-var">$file</span>, -<span class="php-num">4</span>) == <span class="php-quote">'.bz2'</span> || <span class="php-keyword2">substr</span>(<span class="php-var">$file</span>, -<span class="php-num">4</span>) == <span class="php-quote">'.tbz'</span>) {
|
|
</span><span id="757" class="l"> <span class="php-keyword1">return</span> Archive::COMPRESS_BZIP;
|
|
</span><span id="758" class="l"> }
|
|
</span><span id="759" class="l">
|
|
</span><span id="760" class="l"> <span class="php-keyword1">return</span> Archive::COMPRESS_NONE;
|
|
</span><span id="761" class="l"> }
|
|
</span><span id="762" class="l">
|
|
</span><span id="763" class="l"> <span class="php-comment">/**
|
|
</span></span><span id="764" class="l"><span class="php-comment"> * Decodes numeric values according to the
|
|
</span></span><span id="765" class="l"><span class="php-comment"> * https://www.gnu.org/software/tar/manual/html_node/Extensions.html#Extensions
|
|
</span></span><span id="766" class="l"><span class="php-comment"> * (basically with support for big numbers)
|
|
</span></span><span id="767" class="l"><span class="php-comment"> *
|
|
</span></span><span id="768" class="l"><span class="php-comment"> * @param string $field
|
|
</span></span><span id="769" class="l"><span class="php-comment"> * $return int
|
|
</span></span><span id="770" class="l"><span class="php-comment"> */</span>
|
|
</span><span id="771" class="l"> <span class="php-keyword1">static</span> <span class="php-keyword1">public</span> <span class="php-keyword1">function</span> numberDecode(<span class="php-var">$field</span>)
|
|
</span><span id="772" class="l"> {
|
|
</span><span id="773" class="l"> <span class="php-var">$firstByte</span> = <span class="php-keyword2">ord</span>(<span class="php-keyword2">substr</span>(<span class="php-var">$field</span>, <span class="php-num">0</span>, <span class="php-num">1</span>));
|
|
</span><span id="774" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$firstByte</span> === <span class="php-num">255</span>) {
|
|
</span><span id="775" class="l"> <span class="php-var">$value</span> = -<span class="php-num">1</span> << (<span class="php-num">8</span> * <span class="php-keyword2">strlen</span>(<span class="php-var">$field</span>));
|
|
</span><span id="776" class="l"> <span class="php-var">$shift</span> = <span class="php-num">0</span>;
|
|
</span><span id="777" class="l"> <span class="php-keyword1">for</span> (<span class="php-var">$i</span> = <span class="php-keyword2">strlen</span>(<span class="php-var">$field</span>) - <span class="php-num">1</span>; <span class="php-var">$i</span> >= <span class="php-num">0</span>; <span class="php-var">$i</span>--) {
|
|
</span><span id="778" class="l"> <span class="php-var">$value</span> += <span class="php-keyword2">ord</span>(<span class="php-keyword2">substr</span>(<span class="php-var">$field</span>, <span class="php-var">$i</span>, <span class="php-num">1</span>)) << <span class="php-var">$shift</span>;
|
|
</span><span id="779" class="l"> <span class="php-var">$shift</span> += <span class="php-num">8</span>;
|
|
</span><span id="780" class="l"> }
|
|
</span><span id="781" class="l"> } <span class="php-keyword1">elseif</span> (<span class="php-var">$firstByte</span> === <span class="php-num">128</span>) {
|
|
</span><span id="782" class="l"> <span class="php-var">$value</span> = <span class="php-num">0</span>;
|
|
</span><span id="783" class="l"> <span class="php-var">$shift</span> = <span class="php-num">0</span>;
|
|
</span><span id="784" class="l"> <span class="php-keyword1">for</span> (<span class="php-var">$i</span> = <span class="php-keyword2">strlen</span>(<span class="php-var">$field</span>) - <span class="php-num">1</span>; <span class="php-var">$i</span> > <span class="php-num">0</span>; <span class="php-var">$i</span>--) {
|
|
</span><span id="785" class="l"> <span class="php-var">$value</span> += <span class="php-keyword2">ord</span>(<span class="php-keyword2">substr</span>(<span class="php-var">$field</span>, <span class="php-var">$i</span>, <span class="php-num">1</span>)) << <span class="php-var">$shift</span>;
|
|
</span><span id="786" class="l"> <span class="php-var">$shift</span> += <span class="php-num">8</span>;
|
|
</span><span id="787" class="l"> }
|
|
</span><span id="788" class="l"> } <span class="php-keyword1">else</span> {
|
|
</span><span id="789" class="l"> <span class="php-var">$value</span> = <span class="php-keyword2">octdec</span>(<span class="php-keyword2">trim</span>(<span class="php-var">$field</span>));
|
|
</span><span id="790" class="l"> }
|
|
</span><span id="791" class="l"> <span class="php-keyword1">return</span> <span class="php-var">$value</span>;
|
|
</span><span id="792" class="l"> }
|
|
</span><span id="793" class="l">
|
|
</span><span id="794" class="l"> <span class="php-comment">/**
|
|
</span></span><span id="795" class="l"><span class="php-comment"> * Encodes numeric values according to the
|
|
</span></span><span id="796" class="l"><span class="php-comment"> * https://www.gnu.org/software/tar/manual/html_node/Extensions.html#Extensions
|
|
</span></span><span id="797" class="l"><span class="php-comment"> * (basically with support for big numbers)
|
|
</span></span><span id="798" class="l"><span class="php-comment"> *
|
|
</span></span><span id="799" class="l"><span class="php-comment"> * @param int $value
|
|
</span></span><span id="800" class="l"><span class="php-comment"> * @param int $length field length
|
|
</span></span><span id="801" class="l"><span class="php-comment"> * @return string
|
|
</span></span><span id="802" class="l"><span class="php-comment"> */</span>
|
|
</span><span id="803" class="l"> <span class="php-keyword1">static</span> <span class="php-keyword1">public</span> <span class="php-keyword1">function</span> numberEncode(<span class="php-var">$value</span>, <span class="php-var">$length</span>)
|
|
</span><span id="804" class="l"> {
|
|
</span><span id="805" class="l"> <span class="php-comment">// old implementations leave last byte empty</span>
|
|
</span><span id="806" class="l"> <span class="php-comment">// octal encoding encodes three bits per byte</span>
|
|
</span><span id="807" class="l"> <span class="php-var">$maxValue</span> = <span class="php-num">1</span> << ((<span class="php-var">$length</span> - <span class="php-num">1</span>) * <span class="php-num">3</span>);
|
|
</span><span id="808" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$value</span> < <span class="php-num">0</span>) {
|
|
</span><span id="809" class="l"> <span class="php-comment">// PHP already stores integers as 2's complement</span>
|
|
</span><span id="810" class="l"> <span class="php-var">$value</span> = <span class="php-keyword2">pack</span>(PHP_INT_SIZE === <span class="php-num">8</span> ? <span class="php-quote">'J'</span> : <span class="php-quote">'N'</span>, (int) <span class="php-var">$value</span>);
|
|
</span><span id="811" class="l"> <span class="php-var">$encoded</span> = <span class="php-keyword2">str_repeat</span>(<span class="php-keyword2">chr</span>(<span class="php-num">255</span>), <span class="php-keyword2">max</span>(<span class="php-num">1</span>, <span class="php-var">$length</span> - PHP_INT_SIZE));
|
|
</span><span id="812" class="l"> <span class="php-var">$encoded</span> .= <span class="php-keyword2">substr</span>(<span class="php-var">$value</span>, <span class="php-keyword2">max</span>(<span class="php-num">0</span>, PHP_INT_SIZE - <span class="php-var">$length</span> + <span class="php-num">1</span>));
|
|
</span><span id="813" class="l"> } <span class="php-keyword1">elseif</span> (<span class="php-var">$value</span> >= <span class="php-var">$maxValue</span>) {
|
|
</span><span id="814" class="l"> <span class="php-var">$value</span> = <span class="php-keyword2">pack</span>(PHP_INT_SIZE === <span class="php-num">8</span> ? <span class="php-quote">'J'</span> : <span class="php-quote">'N'</span>, (int) <span class="php-var">$value</span>);
|
|
</span><span id="815" class="l"> <span class="php-var">$encoded</span> = <span class="php-keyword2">chr</span>(<span class="php-num">128</span>) . <span class="php-keyword2">str_repeat</span>(<span class="php-keyword2">chr</span>(<span class="php-num">0</span>), <span class="php-keyword2">max</span>(<span class="php-num">0</span>, <span class="php-var">$length</span> - PHP_INT_SIZE - <span class="php-num">1</span>));
|
|
</span><span id="816" class="l"> <span class="php-var">$encoded</span> .= <span class="php-keyword2">substr</span>(<span class="php-var">$value</span>, <span class="php-keyword2">max</span>(<span class="php-num">0</span>, PHP_INT_SIZE - <span class="php-var">$length</span> + <span class="php-num">1</span>));
|
|
</span><span id="817" class="l"> } <span class="php-keyword1">else</span> {
|
|
</span><span id="818" class="l"> <span class="php-var">$encoded</span> = <span class="php-keyword2">sprintf</span>(<span class="php-quote">"%"</span> . (<span class="php-var">$length</span> - <span class="php-num">1</span>) . <span class="php-quote">"s "</span>, <span class="php-keyword2">decoct</span>(<span class="php-var">$value</span>));
|
|
</span><span id="819" class="l"> }
|
|
</span><span id="820" class="l"> <span class="php-keyword1">return</span> <span class="php-var">$encoded</span>;
|
|
</span><span id="821" class="l"> }
|
|
</span><span id="822" class="l">}
|
|
</span><span id="823" class="l">
|
|
</span><span id="824" class="l"></span></code></pre>
|
|
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|
<div id="footer">
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API documentation generated by <a href="http://apigen.org">ApiGen</a>
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