From f4c512336dd707cf16b39beaae1055acea048891 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Mon, 10 Aug 2015 04:17:05 -0400
Subject: [PATCH] Fix "washing" of style elements wrapped into many lines

---
 CHANGELOG                               |    1 +
 program/lib/Roundcube/rcube_washtml.php |    3 +++
 tests/Framework/Washtml.php             |    8 ++++++++
 3 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/CHANGELOG b/CHANGELOG
index ba56486..1526726 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -37,6 +37,7 @@
 - Fix error when using back button after sending an email (#1490009)
 - Fix removing signature when switching to identity with an empty sig in HTML mode (#1490470)
 - Disable links list generation on html-to-text conversion of identities or composed message (#1490437)
+- Fix "washing" of style elements wrapped into many lines
 
 RELEASE 1.1.2
 -------------
diff --git a/program/lib/Roundcube/rcube_washtml.php b/program/lib/Roundcube/rcube_washtml.php
index 061184e..f3b0720 100644
--- a/program/lib/Roundcube/rcube_washtml.php
+++ b/program/lib/Roundcube/rcube_washtml.php
@@ -174,6 +174,9 @@
     {
         $result = array();
 
+        // Remove unwanted white-space characters so regular expressions below work better
+        $style = preg_replace('/[\n\r\s\t]+/', ' ', $style);
+
         foreach (explode(';', $style) as $declaration) {
             if (preg_match('/^\s*([a-z\-]+)\s*:\s*(.*)\s*$/i', $declaration, $match)) {
                 $cssid = $match[1];
diff --git a/tests/Framework/Washtml.php b/tests/Framework/Washtml.php
index e4e3de4..acc611e 100644
--- a/tests/Framework/Washtml.php
+++ b/tests/Framework/Washtml.php
@@ -182,6 +182,14 @@
 
         $this->assertRegExp('|line-height: 1;|', $washed, "Untouched line-height (#1489917)");
         $this->assertRegExp('|; height: 10px|', $washed, "Fixed height units");
+
+        $html     = "<div style=\"padding: 0px\n   20px;border:1px solid #000;\"></div>";
+        $expected = "<div style=\"padding: 0px 20px; border: 1px solid #000\"></div>";
+
+        $washer = new rcube_washtml;
+        $washed = $washer->wash($html);
+
+        $this->assertTrue(strpos($washed, $expected) !== false, "White-space and new-line characters handling");
     }
 
     /**

--
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