Initial commit of intern.ccwn.org contentsHEADmaster

1 files changed, 188 insertions, 0 deletions

diff --git a/hugo/libraries/zip_extension.lib.php b/hugo/libraries/zip_extension.lib.php
new file mode 100644
index 0000000..db493e7
--- /dev/null
+++ b/hugo/libraries/zip_extension.lib.php
@@ -0,0 +1,188 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Interface for the zip extension
+ *
+ * @package PhpMyAdmin
+ */
+if (! defined('PHPMYADMIN')) {
+    exit;
+}
+
+/**
+ * Gets zip file contents
+ *
+ * @param string $file           zip file
+ * @param string $specific_entry regular expression to match a file
+ *
+ * @return array ($error_message, $file_data); $error_message
+ *                  is empty if no error
+ */
+function PMA_getZipContents($file, $specific_entry = null)
+{
+    $error_message = '';
+    $file_data = '';
+    $zip_handle = zip_open($file);
+    if (is_resource($zip_handle)) {
+        $first_zip_entry = zip_read($zip_handle);
+        if (false === $first_zip_entry) {
+            $error_message = __('No files found inside ZIP archive!');
+        } else {
+            /* Is the the zip really an ODS file? */
+            $read = zip_entry_read($first_zip_entry);
+            $ods_mime = 'application/vnd.oasis.opendocument.spreadsheet';
+            if (!strcmp($ods_mime, $read)) {
+                $specific_entry = '/^content\.xml$/';
+            }
+
+            if (isset($specific_entry)) {
+                /* Return the correct contents, not just the first entry */
+                for ( ; ; ) {
+                    $entry = zip_read($zip_handle);
+                    if (is_resource($entry)) {
+                        if (preg_match($specific_entry, zip_entry_name($entry))) {
+                            zip_entry_open($zip_handle, $entry, 'r');
+                            $file_data = zip_entry_read(
+                                $entry,
+                                zip_entry_filesize($entry)
+                            );
+                            zip_entry_close($entry);
+                            break;
+                        }
+                    } else {
+                        /**
+                         * Either we have reached the end of the zip and still
+                         * haven't found $specific_entry or there was a parsing
+                         * error that we must display
+                         */
+                        if ($entry === false) {
+                            $error_message = __('Error in ZIP archive:')
+                                . ' Could not find "' . $specific_entry . '"';
+                        } else {
+                            $error_message = __('Error in ZIP archive:')
+                                . ' ' . PMA_getZipError($zip_handle);
+                        }
+
+                        break;
+                    }
+                }
+            } else {
+                zip_entry_open($zip_handle, $first_zip_entry, 'r');
+                /* File pointer has already been moved,
+                 * so include what was read above */
+                $file_data = $read;
+                $file_data .= zip_entry_read(
+                    $first_zip_entry,
+                    zip_entry_filesize($first_zip_entry)
+                );
+                zip_entry_close($first_zip_entry);
+            }
+        }
+    } else {
+        $error_message = __('Error in ZIP archive:')
+            . ' ' . PMA_getZipError($zip_handle);
+    }
+    zip_close($zip_handle);
+    return (array('error' => $error_message, 'data' => $file_data));
+}
+
+/**
+ * Returns the file name of the first file that matches the given $file_regexp.
+ *
+ * @param string $file_regexp regular expression for the file name to match
+ * @param string $file        zip archive
+ *
+ * @return string the file name of the first file that matches the given regexp
+ */
+function PMA_findFileFromZipArchive ($file_regexp, $file)
+{
+    $zip_handle = zip_open($file);
+    if (is_resource($zip_handle)) {
+        $entry = zip_read($zip_handle);
+        while (is_resource($entry)) {
+            if (preg_match($file_regexp, zip_entry_name($entry))) {
+                $file_name = zip_entry_name($entry);
+                zip_close($zip_handle);
+                return $file_name;
+            }
+            $entry = zip_read($zip_handle);
+        }
+    }
+    zip_close($zip_handle);
+    return false;
+}
+
+/**
+ * Returns the number of files in the zip archive.
+ *
+ * @param string $file zip archive
+ *
+ * @return int the number of files in the zip archive
+ */
+function PMA_getNoOfFilesInZip($file)
+{
+    $count = 0;
+    $zip_handle = zip_open($file);
+    if (is_resource($zip_handle)) {
+        $entry = zip_read($zip_handle);
+        while (is_resource($entry)) {
+            $count++;
+            $entry = zip_read($zip_handle);
+        }
+    }
+    zip_close($zip_handle);
+    return $count;
+}
+
+/**
+ * Extracts a set of files from the given zip archive to a given destinations.
+ *
+ * @param string $zip_path    path to the zip archive
+ * @param string $destination destination to extract files
+ * @param array  $entries     files in archive that should be extracted
+ *
+ * @return bool true on sucess, false otherwise
+ */
+function PMA_zipExtract($zip_path, $destination, $entries)
+{
+    $zip = new ZipArchive;
+    if ($zip->open($zip_path) === true) {
+        $zip->extractTo($destination, $entries);
+        $zip->close();
+        return true;
+    }
+    return false;
+}
+
+/**
+  * Gets zip error message
+  *
+  * @param integer $code error code
+  *
+  * @return string error message
+ */
+function PMA_getZipError($code)
+{
+    // I don't think this needs translation
+    switch ($code) {
+    case ZIPARCHIVE::ER_MULTIDISK:
+        $message = 'Multi-disk zip archives not supported';
+        break;
+    case ZIPARCHIVE::ER_READ:
+        $message = 'Read error';
+        break;
+    case ZIPARCHIVE::ER_CRC:
+        $message = 'CRC error';
+        break;
+    case ZIPARCHIVE::ER_NOZIP:
+        $message = 'Not a zip archive';
+        break;
+    case ZIPARCHIVE::ER_INCONS:
+        $message = 'Zip archive inconsistent';
+        break;
+    default:
+        $message = $code;
+    }
+    return $message;
+}
+?>