From 2965a981b7ec22866fbdf2d567d87e2d068d3617 Mon Sep 17 00:00:00 2001
From: Thomas Bruederli <thomas@roundcube.net>
Date: Fri, 31 Jul 2015 16:04:08 -0400
Subject: [PATCH] Allow to search and import missing PGP pubkeys from keyservers using Publickey.js
---
program/lib/Roundcube/rcube_string_replacer.php | 363 ++++++++++++++++++++++++++++++---------------------
1 files changed, 210 insertions(+), 153 deletions(-)
diff --git a/program/lib/Roundcube/rcube_string_replacer.php b/program/lib/Roundcube/rcube_string_replacer.php
index 9af6b33..ce61e53 100644
--- a/program/lib/Roundcube/rcube_string_replacer.php
+++ b/program/lib/Roundcube/rcube_string_replacer.php
@@ -2,10 +2,8 @@
/*
+-----------------------------------------------------------------------+
- | program/include/rcube_string_replacer.php |
- | |
| This file is part of the Roundcube Webmail client |
- | Copyright (C) 2009, The Roundcube Dev Team |
+ | Copyright (C) 2009-2012, The Roundcube Dev Team |
| |
| Licensed under the GNU General Public License version 3 or |
| any later version with exceptions for skins & plugins. |
@@ -13,12 +11,10 @@
| |
| PURPOSE: |
| Handle string replacements based on preg_replace_callback |
- | |
+-----------------------------------------------------------------------+
| Author: Thomas Bruederli <roundcube@gmail.com> |
+-----------------------------------------------------------------------+
*/
-
/**
* Helper class for string replacements based on preg_replace_callback
@@ -28,168 +24,229 @@
*/
class rcube_string_replacer
{
- public static $pattern = '/##str_replacement\[([0-9]+)\]##/';
- public $mailto_pattern;
- public $link_pattern;
- private $values = array();
+ public static $pattern = '/##str_replacement_(\d+)##/';
+ public $mailto_pattern;
+ public $link_pattern;
+ public $linkref_index;
+ public $linkref_pattern;
+
+ private $values = array();
+ private $options = array();
+ private $linkrefs = array();
+ private $urls = array();
- function __construct()
- {
- // Simplified domain expression for UTF8 characters handling
- // Support unicode/punycode in top-level domain part
- $utf_domain = '[^?&@"\'\\/()\s\r\t\n]+\\.?([^\\x00-\\x2f\\x3b-\\x40\\x5b-\\x60\\x7b-\\x7f]{2,}|xn--[a-zA-Z0-9]{2,})';
- $url1 = '.:;,';
- $url2 = 'a-zA-Z0-9%=#$@+?!&\\/_~\\[\\]{}\*-';
+ function __construct($options = array())
+ {
+ // Simplified domain expression for UTF8 characters handling
+ // Support unicode/punycode in top-level domain part
+ $utf_domain = '[^?&@"\'\\/()<>\s\r\t\n]+\\.?([^\\x00-\\x2f\\x3b-\\x40\\x5b-\\x60\\x7b-\\x7f]{2,}|xn--[a-zA-Z0-9]{2,})';
+ $url1 = '.:;,';
+ $url2 = 'a-zA-Z0-9%=#$@+?|!&\\/_~\\[\\]\\(\\){}\*\x80-\xFE-';
- $this->link_pattern = "/([\w]+:\/\/|\W[Ww][Ww][Ww]\.|^[Ww][Ww][Ww]\.)($utf_domain([$url1]?[$url2]+)*)/";
- $this->mailto_pattern = "/("
- ."[-\w!\#\$%&\'*+~\/^`|{}=]+(?:\.[-\w!\#\$%&\'*+~\/^`|{}=]+)*" // local-part
- ."@$utf_domain" // domain-part
- ."(\?[$url1$url2]+)?" // e.g. ?subject=test...
- .")/";
- }
+ $this->link_pattern = "/([\w]+:\/\/|\W[Ww][Ww][Ww]\.|^[Ww][Ww][Ww]\.)($utf_domain([$url1]*[$url2]+)*)/";
+ $this->mailto_pattern = "/("
+ ."[-\w!\#\$%&\'*+~\/^`|{}=]+(?:\.[-\w!\#\$%&\'*+~\/^`|{}=]+)*" // local-part
+ ."@$utf_domain" // domain-part
+ ."(\?[$url1$url2]+)?" // e.g. ?subject=test...
+ .")/";
+ $this->linkref_index = '/\[([^\]#]+)\](:?\s*##str_replacement_(\d+)##)/';
+ $this->linkref_pattern = '/\[([^\]#]+)\]/';
- /**
- * Add a string to the internal list
- *
- * @param string String value
- * @return int Index of value for retrieval
- */
- public function add($str)
- {
- $i = count($this->values);
- $this->values[$i] = $str;
- return $i;
- }
-
- /**
- * Build replacement string
- */
- public function get_replacement($i)
- {
- return '##str_replacement['.$i.']##';
- }
-
- /**
- * Callback function used to build HTML links around URL strings
- *
- * @param array Matches result from preg_replace_callback
- * @return int Index of saved string value
- */
- public function link_callback($matches)
- {
- $i = -1;
- $scheme = strtolower($matches[1]);
-
- if (preg_match('!^(http|ftp|file)s?://!i', $scheme)) {
- $url = $matches[1] . $matches[2];
- }
- else if (preg_match('/^(\W*)(www\.)$/i', $matches[1], $m)) {
- $url = $m[2] . $matches[2];
- $url_prefix = 'http://';
- $prefix = $m[1];
+ $this->options = $options;
}
- if ($url) {
- $suffix = $this->parse_url_brackets($url);
- $i = $this->add($prefix . html::a(array(
- 'href' => $url_prefix . $url,
- 'target' => '_blank'
- ), rcmail::Q($url)) . $suffix);
+ /**
+ * Add a string to the internal list
+ *
+ * @param string String value
+ * @return int Index of value for retrieval
+ */
+ public function add($str)
+ {
+ $i = count($this->values);
+ $this->values[$i] = $str;
+ return $i;
}
- // Return valid link for recognized schemes, otherwise, return the unmodified string for unrecognized schemes.
- return $i >= 0 ? $this->get_replacement($i) : $matches[0];
- }
+ /**
+ * Build replacement string
+ */
+ public function get_replacement($i)
+ {
+ return '##str_replacement_' . $i . '##';
+ }
- /**
- * Callback function used to build mailto: links around e-mail strings
- *
- * @param array Matches result from preg_replace_callback
- * @return int Index of saved string value
- */
- public function mailto_callback($matches)
- {
- $href = $matches[1];
- $suffix = $this->parse_url_brackets($href);
+ /**
+ * Callback function used to build HTML links around URL strings
+ *
+ * @param array Matches result from preg_replace_callback
+ * @return int Index of saved string value
+ */
+ public function link_callback($matches)
+ {
+ $i = -1;
+ $scheme = strtolower($matches[1]);
- $i = $this->add(html::a(array(
- 'href' => 'mailto:' . $href,
- 'onclick' => "return ".rcmail::JS_OBJECT_NAME.".command('compose','".rcmail::JQ($href)."',this)",
- ), rcmail::Q($href)) . $suffix);
-
- return $i >= 0 ? $this->get_replacement($i) : '';
- }
-
- /**
- * Look up the index from the preg_replace matches array
- * and return the substitution value.
- *
- * @param array Matches result from preg_replace_callback
- * @return string Value at index $matches[1]
- */
- public function replace_callback($matches)
- {
- return $this->values[$matches[1]];
- }
-
- /**
- * Replace all defined (link|mailto) patterns with replacement string
- *
- * @param string $str Text
- *
- * @return string Text
- */
- public function replace($str)
- {
- // search for patterns like links and e-mail addresses
- $str = preg_replace_callback($this->link_pattern, array($this, 'link_callback'), $str);
- $str = preg_replace_callback($this->mailto_pattern, array($this, 'mailto_callback'), $str);
-
- return $str;
- }
-
- /**
- * Replace substituted strings with original values
- */
- public function resolve($str)
- {
- return preg_replace_callback(self::$pattern, array($this, 'replace_callback'), $str);
- }
-
- /**
- * Fixes bracket characters in URL handling
- */
- public static function parse_url_brackets(&$url)
- {
- // #1487672: special handling of square brackets,
- // URL regexp allows [] characters in URL, for example:
- // "http://example.com/?a[b]=c". However we need to handle
- // properly situation when a bracket is placed at the end
- // of the link e.g. "[http://example.com]"
- if (preg_match('/(\\[|\\])/', $url)) {
- $in = false;
- for ($i=0, $len=strlen($url); $i<$len; $i++) {
- if ($url[$i] == '[') {
- if ($in)
- break;
- $in = true;
+ if (preg_match('!^(http|ftp|file)s?://!i', $scheme)) {
+ $url = $matches[1] . $matches[2];
}
- else if ($url[$i] == ']') {
- if (!$in)
- break;
- $in = false;
+ else if (preg_match('/^(\W*)(www\.)$/i', $matches[1], $m)) {
+ $url = $m[2] . $matches[2];
+ $url_prefix = 'http://';
+ $prefix = $m[1];
}
- }
- if ($i<$len) {
- $suffix = substr($url, $i);
- $url = substr($url, 0, $i);
- }
+ if ($url) {
+ $suffix = $this->parse_url_brackets($url);
+ $attrib = (array)$this->options['link_attribs'];
+ $attrib['href'] = $url_prefix . $url;
+
+ $i = $this->add(html::a($attrib, rcube::Q($url)) . $suffix);
+ $this->urls[$i] = $attrib['href'];
+ }
+
+ // Return valid link for recognized schemes, otherwise
+ // return the unmodified string for unrecognized schemes.
+ return $i >= 0 ? $prefix . $this->get_replacement($i) : $matches[0];
}
- return $suffix;
- }
+ /**
+ * Callback to add an entry to the link index
+ */
+ public function linkref_addindex($matches)
+ {
+ $key = $matches[1];
+ $this->linkrefs[$key] = $this->urls[$matches[3]];
+ return $this->get_replacement($this->add('['.$key.']')) . $matches[2];
+ }
+
+ /**
+ * Callback to replace link references with real links
+ */
+ public function linkref_callback($matches)
+ {
+ $i = 0;
+ if ($url = $this->linkrefs[$matches[1]]) {
+ $attrib = (array)$this->options['link_attribs'];
+ $attrib['href'] = $url;
+ $i = $this->add(html::a($attrib, rcube::Q($matches[1])));
+ }
+
+ return $i > 0 ? '['.$this->get_replacement($i).']' : $matches[0];
+ }
+
+ /**
+ * Callback function used to build mailto: links around e-mail strings
+ *
+ * @param array Matches result from preg_replace_callback
+ * @return int Index of saved string value
+ */
+ public function mailto_callback($matches)
+ {
+ $href = $matches[1];
+ $suffix = $this->parse_url_brackets($href);
+ $i = $this->add(html::a('mailto:' . $href, rcube::Q($href)) . $suffix);
+
+ return $i >= 0 ? $this->get_replacement($i) : '';
+ }
+
+ /**
+ * Look up the index from the preg_replace matches array
+ * and return the substitution value.
+ *
+ * @param array Matches result from preg_replace_callback
+ * @return string Value at index $matches[1]
+ */
+ public function replace_callback($matches)
+ {
+ return $this->values[$matches[1]];
+ }
+
+ /**
+ * Replace all defined (link|mailto) patterns with replacement string
+ *
+ * @param string $str Text
+ *
+ * @return string Text
+ */
+ public function replace($str)
+ {
+ // search for patterns like links and e-mail addresses
+ $str = preg_replace_callback($this->link_pattern, array($this, 'link_callback'), $str);
+ $str = preg_replace_callback($this->mailto_pattern, array($this, 'mailto_callback'), $str);
+ // resolve link references
+ $str = preg_replace_callback($this->linkref_index, array($this, 'linkref_addindex'), $str);
+ $str = preg_replace_callback($this->linkref_pattern, array($this, 'linkref_callback'), $str);
+
+ return $str;
+ }
+
+ /**
+ * Replace substituted strings with original values
+ */
+ public function resolve($str)
+ {
+ return preg_replace_callback(self::$pattern, array($this, 'replace_callback'), $str);
+ }
+
+ /**
+ * Fixes bracket characters in URL handling
+ */
+ public static function parse_url_brackets(&$url)
+ {
+ // #1487672: special handling of square brackets,
+ // URL regexp allows [] characters in URL, for example:
+ // "http://example.com/?a[b]=c". However we need to handle
+ // properly situation when a bracket is placed at the end
+ // of the link e.g. "[http://example.com]"
+ // Yes, this is not perfect handles correctly only paired characters
+ // but it should work for common cases
+
+ if (preg_match('/(\\[|\\])/', $url)) {
+ $in = false;
+ for ($i=0, $len=strlen($url); $i<$len; $i++) {
+ if ($url[$i] == '[') {
+ if ($in)
+ break;
+ $in = true;
+ }
+ else if ($url[$i] == ']') {
+ if (!$in)
+ break;
+ $in = false;
+ }
+ }
+
+ if ($i < $len) {
+ $suffix = substr($url, $i);
+ $url = substr($url, 0, $i);
+ }
+ }
+
+ // Do the same for parentheses
+ if (preg_match('/(\\(|\\))/', $url)) {
+ $in = false;
+ for ($i=0, $len=strlen($url); $i<$len; $i++) {
+ if ($url[$i] == '(') {
+ if ($in)
+ break;
+ $in = true;
+ }
+ else if ($url[$i] == ')') {
+ if (!$in)
+ break;
+ $in = false;
+ }
+ }
+
+ if ($i < $len) {
+ $suffix = substr($url, $i);
+ $url = substr($url, 0, $i);
+ }
+ }
+
+ return $suffix;
+ }
}
--
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