From b6a1825e69c801158ff4c660964f81b319fa80b2 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Fri, 13 Apr 2012 09:31:19 -0400
Subject: [PATCH] - Add lost functions from devel-framework merge
---
program/include/rcube_mime.php | 145 ++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 145 insertions(+), 0 deletions(-)
diff --git a/program/include/rcube_mime.php b/program/include/rcube_mime.php
index 538c8ea..3cfb4e9 100644
--- a/program/include/rcube_mime.php
+++ b/program/include/rcube_mime.php
@@ -545,4 +545,149 @@
return implode("\r\n", $text);
}
+
+ /**
+ * Improved wordwrap function.
+ *
+ * @param string $string Text to wrap
+ * @param int $width Line width
+ * @param string $break Line separator
+ * @param bool $cut Enable to cut word
+ *
+ * @return string Text
+ */
+ public static function wordwrap($string, $width=75, $break="\n", $cut=false)
+ {
+ $para = explode($break, $string);
+ $string = '';
+
+ while (count($para)) {
+ $line = array_shift($para);
+ if ($line[0] == '>') {
+ $string .= $line.$break;
+ continue;
+ }
+
+ $list = explode(' ', $line);
+ $len = 0;
+ while (count($list)) {
+ $line = array_shift($list);
+ $l = mb_strlen($line);
+ $newlen = $len + $l + ($len ? 1 : 0);
+
+ if ($newlen <= $width) {
+ $string .= ($len ? ' ' : '').$line;
+ $len += (1 + $l);
+ }
+ else {
+ if ($l > $width) {
+ if ($cut) {
+ $start = 0;
+ while ($l) {
+ $str = mb_substr($line, $start, $width);
+ $strlen = mb_strlen($str);
+ $string .= ($len ? $break : '').$str;
+ $start += $strlen;
+ $l -= $strlen;
+ $len = $strlen;
+ }
+ }
+ else {
+ $string .= ($len ? $break : '').$line;
+ if (count($list)) {
+ $string .= $break;
+ }
+ $len = 0;
+ }
+ }
+ else {
+ $string .= $break.$line;
+ $len = $l;
+ }
+ }
+ }
+
+ if (count($para)) {
+ $string .= $break;
+ }
+ }
+
+ return $string;
+ }
+
+
+ /**
+ * A method to guess the mime_type of an attachment.
+ *
+ * @param string $path Path to the file.
+ * @param string $name File name (with suffix)
+ * @param string $failover Mime type supplied for failover.
+ * @param string $is_stream Set to True if $path contains file body
+ *
+ * @return string
+ * @author Till Klampaeckel <till@php.net>
+ * @see http://de2.php.net/manual/en/ref.fileinfo.php
+ * @see http://de2.php.net/mime_content_type
+ */
+ public static function file_content_type($path, $name, $failover = 'application/octet-stream', $is_stream = false)
+ {
+ $mime_type = null;
+ $mime_magic = rcube::get_instance()->config->get('mime_magic');
+ $mime_ext = @include RCMAIL_CONFIG_DIR . '/mimetypes.php';
+
+ // use file name suffix with hard-coded mime-type map
+ if (is_array($mime_ext) && $name) {
+ if ($suffix = substr($name, strrpos($name, '.')+1)) {
+ $mime_type = $mime_ext[strtolower($suffix)];
+ }
+ }
+
+ // try fileinfo extension if available
+ if (!$mime_type && function_exists('finfo_open')) {
+ if ($finfo = finfo_open(FILEINFO_MIME, $mime_magic)) {
+ if ($is_stream)
+ $mime_type = finfo_buffer($finfo, $path);
+ else
+ $mime_type = finfo_file($finfo, $path);
+ finfo_close($finfo);
+ }
+ }
+
+ // try PHP's mime_content_type
+ if (!$mime_type && !$is_stream && function_exists('mime_content_type')) {
+ $mime_type = @mime_content_type($path);
+ }
+
+ // fall back to user-submitted string
+ if (!$mime_type) {
+ $mime_type = $failover;
+ }
+ else {
+ // Sometimes (PHP-5.3?) content-type contains charset definition,
+ // Remove it (#1487122) also "charset=binary" is useless
+ $mime_type = array_shift(preg_split('/[; ]/', $mime_type));
+ }
+
+ return $mime_type;
+ }
+
+
+ /**
+ * Detect image type of the given binary data by checking magic numbers.
+ *
+ * @param string $data Binary file content
+ *
+ * @return string Detected mime-type or jpeg as fallback
+ */
+ public static function image_content_type($data)
+ {
+ $type = 'jpeg';
+ if (preg_match('/^\x89\x50\x4E\x47/', $data)) $type = 'png';
+ else if (preg_match('/^\x47\x49\x46\x38/', $data)) $type = 'gif';
+ else if (preg_match('/^\x00\x00\x01\x00/', $data)) $type = 'ico';
+ // else if (preg_match('/^\xFF\xD8\xFF\xE0/', $data)) $type = 'jpeg';
+
+ return 'image/' . $type;
+ }
+
}
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