first commit

2024-09-30 18:11:26 -04:00
commit e592ca6823
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+test
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+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" [
+        <!ENTITY ns_flows "http://ns.adobe.com/Flows/1.0/">
+        ]>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" preserveAspectRatio="xMinYMid meet">
+    <g id='gtop' stroke-width="12" stroke="#000">
+        <g id="svgstar" transform="translate(50,50)">
+            <path id="svgbar" d="M-27-5a7,7,0,1,0,0,10h54a7,7,0,1,0,0-10z"/>
+            <use id='use1' xlink:href="#svgbar" transform="rotate(45)"/>
+            <use id='use2' xlink:href="#svgbar" transform="rotate(90)"/>
+            <use id='use3' xlink:href="#svgbar" transform="rotate(135)"/>
+        </g>
+    </g>
+    <use id="usetop" xlink:href="#svgstar" fill="#FB4"/>
+</svg>
@@ -0,0 +1,6 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" stroke="#000" preserveAspectRatio="xMinYMid meet">
+  <path d="M8,80s-5,8,5,9l78,0s9,0,5-9l-40-71s-4-6-8,0z" stroke-width="2" fill="#fff" fill-rule="evenodd" />
+  <path d="M52,10 L10,85 L93,85z" stroke-width="2" stroke-linejoin="round" fill="#fc0" fill-rule="evenodd"/>
+  <path d="M52,32l0,26" stroke-width="9" stroke-linecap="round" fill-rule="evenodd"/>
+  <circle r="6" cx="52" cy="73"/>
+</svg>
@@ -0,0 +1,13 @@
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" [
+        <!ENTITY ns_flows "http://ns.adobe.com/Flows/1.0/">
+        ]>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" preserveAspectRatio="xMinYMid meet">
+    <g id='gtop' stroke-width="12" stroke="#000">
+        <g id="svgstar" transform="translate(50,50)">
+            <path id="svgbar" d="M-27-5a7,7,0,1,0,0,10h54a7,7,0,1,0,0-10z"/>
+            <use id='use1' xlink:href="#svgbar" transform="rotate(45)"/>
+            <use id='use2' xlink:href="#svgbar" transform="rotate(90)"/>
+            <use id='use3' xlink:href="#svgbar" transform="rotate(135)"/>
+    </g>
+    <use id="usetop" xlink:href="#svgstar" fill="#FB4"/>
+</svg>
@@ -0,0 +1,14 @@
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" [
+        <!ENTITY ns_flows "http://ns.adobe.com/Flows/1.0/">
+        ]>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 100 100" preserveAspectRatio="xMinYMid meet">
+    <g id='gtop' stroke-width="12" stroke="#000">
+        <g id="svgstar" transform="translate(50,50)">
+            <path id="svgbar" d="M-27-5a7,7,0,1,0,0,10h54a7,7,0,1,0,0-10z"/>
+            <use id='use1' xlink:href="#svgbar" transform="rotate(45)"/>
+            <use id='use2' xlink:href="#svgbar" transform="rotate(90)"/>
+            <use id='use3' xlink:href="#svgbar" transform="rotate(135)"/>
+        </g>
+    </g>
+    <use id="usetop" xlink:href="#svgstar" fill="#FB4"/>
+</svg>
@@ -0,0 +1,14 @@
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" [
+        <!ENTITY ns_flows "http://ns.adobe.com/Flows/1.0/">
+        ]>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="100px" height="100px" preserveAspectRatio="xMinYMid meet">
+    <g id='gtop' stroke-width="12" stroke="#000">
+        <g id="svgstar" transform="translate(50,50)">
+            <path id="svgbar" d="M-27-5a7,7,0,1,0,0,10h54a7,7,0,1,0,0-10z"/>
+            <use id='use1' xlink:href="#svgbar" transform="rotate(45)"/>
+            <use id='use2' xlink:href="#svgbar" transform="rotate(90)"/>
+            <use id='use3' xlink:href="#svgbar" transform="rotate(135)"/>
+        </g>
+    </g>
+    <use id="usetop" xlink:href="#svgstar" fill="#FB4"/>
+</svg>
@@ -0,0 +1,55 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * This debug script is used during zip support development.
+ *
+ * @package    core_files
+ * @copyright  2012 Petr Skoda
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+define('CLI_SCRIPT', true);
+
+require(__DIR__.'/../../../../config.php');
+require_once($CFG->libdir.'/clilib.php');
+
+$help =
+    "Create sample zip file for testing
+Example:
+  \$php zip_create_test_file.php test.zip
+";
+
+if (count($_SERVER['argv']) != 2 or file_exists($_SERVER['argv'][1])) {
+    echo $help;
+    exit(0);
+}
+
+$archive = $_SERVER['argv'][1];
+
+$packer = get_file_packer('application/zip');
+
+$file = __DIR__.'/test.txt';
+$files = array(
+    'test.test' => $file,
+    'testíček.txt' => $file,
+    'Prüfung.txt' => $file,
+    '测试.txt' => $file,
+    '試験.txt' => $file,
+    'Žluťoučký/Koníček.txt' => $file,
+);
+
+$packer->archive_to_pathname($files, $archive);
@@ -0,0 +1,265 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * This debug script is used during zip support development ONLY.
+ *
+ * @package    core_files
+ * @copyright  2012 Petr Skoda
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+define('CLI_SCRIPT', true);
+
+require(__DIR__.'/../../../../config.php');
+require_once("$CFG->libdir/clilib.php");
+require_once("$CFG->libdir/filestorage/zip_packer.php");
+
+if (count($_SERVER['argv']) != 2 or !file_exists($_SERVER['argv'][1])) {
+    cli_error("This script expects zip file name as the only parameter");
+}
+
+$archive = $_SERVER['argv'][1];
+
+// Note: the ZIP structure is described at http://www.pkware.com/documents/casestudies/APPNOTE.TXT
+if (!$filesize = filesize($archive) or !$fp = fopen($archive, 'rb+')) {
+    cli_error("Can not open ZIP archive: $archive");
+}
+
+if ($filesize == 22) {
+    $info = unpack('Vsig', fread($fp, 4));
+    fclose($fp);
+    if ($info['sig'] == 0x6054b50) {
+        cli_error("This ZIP archive is empty: $archive");
+    } else {
+        cli_error("This is not a ZIP archive: $archive");
+    }
+}
+
+fseek($fp, 0);
+$info = unpack('Vsig', fread($fp, 4));
+if ($info['sig'] !== 0x04034b50) {
+    fclose($fp);
+    cli_error("This is not a ZIP archive: $archive");
+}
+
+// Find end of central directory record.
+$centralend = zip_archive::zip_get_central_end($fp, $filesize);
+if ($centralend === false) {
+    cli_error("This is not a ZIP archive: $archive");
+}
+
+if ($centralend['disk'] !== 0 or $centralend['disk_start'] !== 0) {
+    cli_error("Multi-disk archives are not supported: $archive");
+}
+
+if ($centralend['offset'] === 0xFFFFFFFF) {
+    cli_error("ZIP64 archives are not supported: $archive");
+}
+
+fseek($fp, $centralend['offset']);
+$data = fread($fp, $centralend['size']);
+$pos = 0;
+$files = array();
+for($i=0; $i<$centralend['entries']; $i++) {
+    $file = zip_archive::zip_parse_file_header($data, $centralend, $pos);
+    if ($file === false) {
+        cli_error('Invalid Zip file header structure: '.$archive);
+    }
+
+    // Read local file header.
+    fseek($fp, $file['local_offset']);
+    $localfile = unpack('Vsig/vversion_req/vgeneral/vmethod/Vmodified/Vcrc/Vsize_compressed/Vsize/vname_length/vextra_length', fread($fp, 30));
+    if ($localfile['sig'] !== 0x04034b50) {
+        // Borked file!
+        $file['error'] = 'Invalid local file signature';
+        $files[] = $file;
+        continue;
+    }
+    if ($localfile['name_length']) {
+        $localfile['name'] = fread($fp, $localfile['name_length']);
+    } else {
+        $localfile['name'] = '';
+    }
+    $localfile['extra'] = array();
+    $localfile['extra_data'] = '';
+    if ($localfile['extra_length']) {
+        $extradata = fread($fp, $localfile['extra_length']);
+        $localfile['extra_data'] = $extradata;
+        while (strlen($extradata) > 4) {
+            $extra = unpack('vid/vsize', substr($extradata, 0, 4));
+            $extra['data'] = substr($extradata, 4, $extra['size']);
+            $extradata = substr($extradata, 4+$extra['size']);
+            $localfile['extra'][] = $extra;
+        }
+    }
+
+    $file['local'] = $localfile;
+    $files[] = $file;
+}
+
+echo "Archive:         $archive\n";
+echo "Number of files: {$centralend['entries']}\n";
+echo "Archive comment: \"{$centralend['comment']}\" ({$centralend['comment_length']} bytes)\n";
+foreach ($files as $i=>$file) {
+    echo "======== File ".($i+1)." ==============================================\n";
+    echo "  Name:           ".zip_print_name($file['name'])."\n";
+    if ($file['comment'] !== '') {
+        echo "  Comment:        \"{$file['comment']}\" ({$file['comment_length']} bytes)\n";
+    }
+    echo "  Version:        0x".str_pad(dechex($file['version']), 4, '0', STR_PAD_LEFT)."\n";
+    echo "  Required:       0x".str_pad(dechex($file['version_req']), 4, '0', STR_PAD_LEFT)."\n";
+    echo "  Method:         ".zip_print_method($file['method'])."\n";
+    echo "  General:        ".zip_print_general($file['general'])."\n";
+    echo "  Modified:       ".userdate(zip_dos2unixtime($file['modified']))."\n";
+    echo "  Size:           ".zip_print_sizes($file['size'], $file['size_compressed'])."\n";
+    echo "  CRC-32:         {$file['crc']}\n";
+    foreach($file['extra'] as $j=>$extra) {
+        echo "  Extra ".($j+1).":        ".zip_print_extra($extra)."\n";
+    }
+    if (!empty($file['local']['error'])) {
+        echo "  Local ERROR:    {$file['local']['error']}\n";
+        continue;
+    }
+    $localfile = $file['local'];
+    if ($localfile['name'] !== $file['name']) {
+        echo "  Local name:     ".zip_print_name($localfile['name'])."\n";
+    }
+    if ($localfile['version_req'] !== $file['version_req']) {
+        echo "  Local required: 0x".str_pad(dechex($localfile['version_req']), 4, '0', STR_PAD_LEFT)."\n";
+    }
+    if ($localfile['method'] !== $file['method']) {
+        echo "  Local method:   ".zip_print_method($localfile['method'])."\n";
+    }
+    if ($localfile['general'] !== $file['general']) {
+        echo "  Local general:  ".zip_print_general($localfile['general'])."\n";
+    }
+    if ($localfile['modified'] !== $file['modified']) {
+        echo "  Local modified: ".userdate(zip_dos2unixtime($localfile['modified']))."\n";
+    }
+    if ($localfile['size'] !== $file['size']) {
+        echo "  Local size:     ".zip_print_sizes($localfile['size'], $localfile['size_compressed'])."\n";
+    }
+    if ($localfile['crc'] !== $file['crc']) {
+        echo "  Local CRC-32:   {$localfile['crc']}\n";
+    }
+    foreach($localfile['extra'] as $j=>$extra) {
+        echo "  Local extra ".($j+1).":  ".zip_print_extra($extra)."\n";
+    }
+}
+
+fclose($fp);
+exit(0);
+
+// === Some useful functions ======================================
+
+function zip_print_name($name) {
+    $size = strlen($name);
+    $crc = crc32($name);
+    return "\"$name\" ($size bytes) - CRC $crc";
+}
+
+function zip_print_method($method) {
+    $desc = '';
+    switch($method) {
+        case 0: $desc = 'Stored'; break;
+        case 1: $desc = 'Shrunk'; break;
+        case 2: $desc = 'Reduced factor 1'; break;
+        case 3: $desc = 'Reduced factor 2'; break;
+        case 4: $desc = 'Reduced factor 3'; break;
+        case 5: $desc = 'Reduced factor 4'; break;
+        case 6: $desc = 'Imploded'; break;
+        case 8: $desc = 'Deflated'; break;
+        case 9: $desc = 'Deflate64'; break;
+        case 10: $desc = 'old IBM TERSE'; break;
+        case 12: $desc = 'BZIP2'; break;
+        case 14: $desc = 'LZMA'; break;
+        case 18: $desc = 'IBM TERSE'; break;
+        case 19: $desc = 'IBM LZ77'; break;
+        case 97: $desc = 'WavPack'; break;
+        case 98: $desc = 'PPMd v1'; break;
+    }
+    if ($desc) {
+        $desc = " ($desc)";
+    }
+    return "0x".str_pad(dechex($method), 4, '0', STR_PAD_LEFT).$desc;
+}
+
+function zip_print_general($general) {
+    $desc = array();
+    if ($general & pow(2, 0)) {
+        $desc[] = 'Encrypted';
+    }
+    if ($general & pow(2, 11)) {
+        $desc[] = 'Unicode name';
+    }
+    if ($desc) {
+        $desc = " (".implode(', ', $desc).")";
+    } else {
+        $desc = '';
+    }
+    return str_pad(decbin($general), 16, '0', STR_PAD_LEFT).$desc;
+}
+
+/**
+ * Convert MS date+time format to unix timestamp:
+ * http://msdn.microsoft.com/en-us/library/windows/desktop/ms724274(v=vs.85).aspx
+ *
+ * Copied from: http://plugins.svn.wordpress.org/wp2epub/trunk/zipcreate/functions.lib.php
+ * author: redmonkey
+ * license: GPL
+ */
+function zip_dos2unixtime($dostime) {
+    $sec = 2 * ($dostime & 0x1f);
+    $min = ($dostime >> 5) & 0x3f;
+    $hrs = ($dostime >> 11) & 0x1f;
+    $day = ($dostime >> 16) & 0x1f;
+    $mon = ($dostime >> 21) & 0x0f;
+    $year = (($dostime >> 25) & 0x7f) + 1980;
+
+    return mktime($hrs, $min, $sec, $mon, $day, $year);
+}
+
+function zip_print_sizes($size, $compressed) {
+    return "$size ==> $compressed bytes";
+}
+
+function zip_print_extra($extra) {
+    $desc = '';
+    $info = "- ".bin2hex($extra['data'])." ({$extra['size']} bytes)";
+    switch($extra['id']) {
+        case 0x0009: $desc = 'OS/2'; break;
+        case 0x000a: $desc = 'NTFS'; break;
+        case 0x000d: $desc = 'UNIX'; break;
+        case 0x5455: $desc = 'Extended timestamp'; break;
+        case 0x5855: $desc = 'Infor-ZIP (original)'; break;
+        case 0x7075:
+            $desc = 'Info-ZIP Unicode path';
+            $data = unpack('cversion/Vcrc', substr($extra['data'], 0, 5));
+            $name = substr($extra['data'], 5);
+            $size = strlen($name);
+            if ($data['version'] === 1) {
+                $info = "- \"$name\" ($size bytes) - CRC {$data['crc']}";
+            }
+            break;
+        case 0x7865: $desc = 'Info-ZIP UNIX (new)'; break;
+        case 0x7875: $desc = 'Info-ZIP UNIX (3rd generation)'; break;
+    }
+    if ($desc) {
+        $desc = " ($desc)";
+    }
+    return "0x".str_pad(dechex($extra['id']), 4, '0', STR_PAD_LEFT)."$desc $info";
+}