From f0540b598a40c03882dc1af6c4b95256bb27cb1a Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@madoka.volgo-balt.ru>
Date: Wed, 20 Mar 2013 13:17:48 +0400
Subject: [PATCH] add a hack to prevent loading of stuff for hidden content in
 unexpanded combined mode (refs #602)

---
 classes/feeds.php     | 22 +++++++--------
 include/functions.php |  5 ++--
 js/functions.js       | 62 +++++++++++++++++++++++++++++++++++++++++++
 js/viewfeed.js        |  8 ++++++
 4 files changed, 84 insertions(+), 13 deletions(-)

diff --git a/classes/feeds.php b/classes/feeds.php
index c464303c..0568eb98 100644
--- a/classes/feeds.php
+++ b/classes/feeds.php
@@ -263,6 +263,8 @@ class Feeds extends Handler_Protected {
 
 			if ($_REQUEST["debug"]) $timing_info = print_checkpoint("PS", $timing_info);
 
+			$expand_cdm = get_pref($this->link, 'CDM_EXPANDED');
+
 			while ($line = db_fetch_assoc($result)) {
 				$class = ($lnum % 2) ? "even" : "odd";
 
@@ -512,8 +514,6 @@ class Feeds extends Handler_Protected {
 						}
 					}
 
-					$expand_cdm = get_pref($this->link, 'CDM_EXPANDED');
-
 					$mouseover_attrs = "onmouseover='postMouseIn($id)'
 						onmouseout='postMouseOut($id)'";
 
@@ -627,16 +627,17 @@ class Feeds extends Handler_Protected {
 					}
 
 					$reply['content'] .= "<span id=\"CWRAP-$id\">";
-					$reply['content'] .= $line["content"];
-					$reply['content'] .= "</span>";
 
-/*					$tmp_result = db_query($this->link, "SELECT always_display_enclosures FROM
-						ttrss_feeds WHERE id = ".
-						(($line['feed_id'] == null) ? $line['orig_feed_id'] :
-							$line['feed_id'])." AND owner_uid = ".$_SESSION["uid"]);
+					if (!$expand_cdm) {
+						$reply['content'] .= "<span id=\"CENCW-$id\">";
+						$reply['content'] .= htmlspecialchars($line["content"]);
+						$reply['content'] .= "</span.";
+
+					} else {
+						$reply['content'] .= $line["content"];
+					}
 
-					$always_display_enclosures = sql_bool_to_bool(db_fetch_result($tmp_result,
-						0, "always_display_enclosures")); */
+					$reply['content'] .= "</span>";
 
 					$always_display_enclosures = sql_bool_to_bool($line["always_display_enclosures"]);
 
@@ -945,6 +946,5 @@ class Feeds extends Handler_Protected {
 		return $reply;
 	}
 
-
 }
 ?>
diff --git a/include/functions.php b/include/functions.php
index a055d1ed..66054c23 100644
--- a/include/functions.php
+++ b/include/functions.php
@@ -2609,7 +2609,8 @@
 				}
 
 				if ($entry->nodeName == 'img') {
-					if (get_pref($link, "STRIP_IMAGES", $owner) || $force_remove_images) {
+					if (($owner && get_pref($link, "STRIP_IMAGES", $owner)) ||
+							$force_remove_images) {
 
 						$p = $doc->createElement('p');
 
@@ -3633,7 +3634,7 @@
 				array_push($entries, $entry);
 			}
 
-			if (!get_pref($link, "STRIP_IMAGES")) {
+			if ($_SESSION['uid'] && !get_pref($link, "STRIP_IMAGES")) {
 				if ($always_display_enclosures ||
 							!preg_match("/<img/i", $article_content)) {
 
diff --git a/js/functions.js b/js/functions.js
index be78294d..d7e10c65 100644
--- a/js/functions.js
+++ b/js/functions.js
@@ -1913,3 +1913,65 @@ function helpDialog(topic) {
 	}
 }
 
+function htmlspecialchars_decode (string, quote_style) {
+  // http://kevin.vanzonneveld.net
+  // +   original by: Mirek Slugen
+  // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
+  // +   bugfixed by: Mateusz "loonquawl" Zalega
+  // +      input by: ReverseSyntax
+  // +      input by: Slawomir Kaniecki
+  // +      input by: Scott Cariss
+  // +      input by: Francois
+  // +   bugfixed by: Onno Marsman
+  // +    revised by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
+  // +   bugfixed by: Brett Zamir (http://brett-zamir.me)
+  // +      input by: Ratheous
+  // +      input by: Mailfaker (http://www.weedem.fr/)
+  // +      reimplemented by: Brett Zamir (http://brett-zamir.me)
+  // +    bugfixed by: Brett Zamir (http://brett-zamir.me)
+  // *     example 1: htmlspecialchars_decode("<p>this -&gt; &quot;</p>", 'ENT_NOQUOTES');
+  // *     returns 1: '<p>this -> &quot;</p>'
+  // *     example 2: htmlspecialchars_decode("&amp;quot;");
+  // *     returns 2: '&quot;'
+  var optTemp = 0,
+    i = 0,
+    noquotes = false;
+  if (typeof quote_style === 'undefined') {
+    quote_style = 2;
+  }
+  string = string.toString().replace(/&lt;/g, '<').replace(/&gt;/g, '>');
+  var OPTS = {
+    'ENT_NOQUOTES': 0,
+    'ENT_HTML_QUOTE_SINGLE': 1,
+    'ENT_HTML_QUOTE_DOUBLE': 2,
+    'ENT_COMPAT': 2,
+    'ENT_QUOTES': 3,
+    'ENT_IGNORE': 4
+  };
+  if (quote_style === 0) {
+    noquotes = true;
+  }
+  if (typeof quote_style !== 'number') { // Allow for a single string or an array of string flags
+    quote_style = [].concat(quote_style);
+    for (i = 0; i < quote_style.length; i++) {
+      // Resolve string input to bitwise e.g. 'PATHINFO_EXTENSION' becomes 4
+      if (OPTS[quote_style[i]] === 0) {
+        noquotes = true;
+      } else if (OPTS[quote_style[i]]) {
+        optTemp = optTemp | OPTS[quote_style[i]];
+      }
+    }
+    quote_style = optTemp;
+  }
+  if (quote_style & OPTS.ENT_HTML_QUOTE_SINGLE) {
+    string = string.replace(/&#0*39;/g, "'"); // PHP doesn't currently escape if more than one 0, but it should
+    // string = string.replace(/&apos;|&#x0*27;/g, "'"); // This would also be useful here, but not a part of PHP
+  }
+  if (!noquotes) {
+    string = string.replace(/&quot;/g, '"');
+  }
+  // Put this in last place to avoid escape being double-decoded
+  string = string.replace(/&amp;/g, '&');
+
+  return string;
+}
diff --git a/js/viewfeed.js b/js/viewfeed.js
index 2555215c..4bb26187 100644
--- a/js/viewfeed.js
+++ b/js/viewfeed.js
@@ -1365,13 +1365,21 @@ function cdmExpandArticle(id) {
 		}
 
 		setActiveArticleId(id);
+		cdmScrollToArticleId(id, true);
 
 		elem = $("CICD-" + id);
 
 		var collapse = $$("div#RROW-" + id +
 				" span[class='collapseBtn']")[0];
 
+		var cencw = $("CENCW-" + id);
+
 		if (!Element.visible(elem)) {
+			if (cencw) {
+				cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
+				cencw.setAttribute('id', '');
+			}
+
 			Element.show(elem);
 			Element.hide("CEXC-" + id);
 			Element.show(collapse);
-- 
2.39.5