diff --git a/cache/images/.empty b/cache/images/.empty
new file mode 100644
index 00000000..e69de29b
diff --git a/classes/feeds.php b/classes/feeds.php
index 6b498ac0..f9f82cd1 100644
--- a/classes/feeds.php
+++ b/classes/feeds.php
@@ -184,9 +184,10 @@ class Feeds extends Protected_Handler {
catchupArticlesById($this->link, $ids, $cmode);
} */
- //if ($method == "ForceUpdate" && $feed && is_numeric($feed) > 0) {
- // update_rss_feed($this->link, $feed, true);
- //}
+ if ($method == "ForceUpdate" && $feed && is_numeric($feed) > 0) {
+ include "rssfuncs.php";
+ update_rss_feed($this->link, $feed, true);
+ }
if ($method == "MarkAllRead") {
catchup_feed($this->link, $feed, $cat_view);
diff --git a/classes/pref_feeds.php b/classes/pref_feeds.php
index b83abd78..5937bfc8 100644
--- a/classes/pref_feeds.php
+++ b/classes/pref_feeds.php
@@ -448,12 +448,10 @@ class Pref_Feeds extends Protected_Handler {
$checked = "";
}
- if (SIMPLEPIE_CACHE_IMAGES) {
- print "
";
- }
+ __('Cache images locally')."";
$mark_unread_on_update = sql_bool_to_bool(db_fetch_result($result, 0, "mark_unread_on_update"));
@@ -655,16 +653,13 @@ class Pref_Feeds extends Protected_Handler {
print " "; $this->batch_edit_cbox("always_display_enclosures", "always_display_enclosures_l");
- if (SIMPLEPIE_CACHE_IMAGES) {
- print "
";
+ print "
";
-
- print " "; $this->batch_edit_cbox("cache_images", "cache_images_l");
- }
+ print " "; $this->batch_edit_cbox("cache_images", "cache_images_l");
print "
diff --git a/include/rssfuncs.php b/include/rssfuncs.php
index 0fc462c4..821d6b17 100644
--- a/include/rssfuncs.php
+++ b/include/rssfuncs.php
@@ -136,6 +136,8 @@
WHERE id IN (%s)", implode(',', $feed_ids)));
}
+ expire_cached_files($debug);
+
// For each feed, we call the feed update function.
while ($line = array_pop($feeds_to_update)) {
@@ -364,15 +366,6 @@
$rss->set_output_encoding('UTF-8');
$rss->force_feed(true);
- if (SIMPLEPIE_CACHE_IMAGES && $cache_images) {
-
- if ($debug_enabled) {
- _debug("enabling image cache");
- }
-
- $rss->set_image_handler("image.php", 'i');
- }
-
if ($debug_enabled) {
_debug("feed update interval (sec): " .
get_feed_update_interval($link, $feed)*60);
@@ -685,9 +678,13 @@
}
}
+ if ($cache_images)
+ $entry_content = cache_images($entry_content, $site_url, $debug_enabled);
+
if ($_REQUEST["xdebug"] == 2) {
print "update_rss_feed: content: ";
print_r(htmlspecialchars($entry_content));
+ print "\n";
}
$entry_content_unescaped = $entry_content;
@@ -735,7 +732,7 @@
$entry_content = db_escape_string($entry_content, false);
- $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
+ $content_hash = "SHA1:x" . sha1(strip_tags($entry_content));
$entry_title = db_escape_string($entry_title);
$entry_link = db_escape_string($entry_link);
@@ -1311,7 +1308,71 @@
}
+ function cache_images($html, $site_url, $debug) {
+ $cache_dir = CACHE_DIR . "/images";
+ libxml_use_internal_errors(true);
+ $charset_hack = '
+
+ ';
+
+ $doc = new DOMDocument();
+ $doc->loadHTML($charset_hack . $html);
+ $xpath = new DOMXPath($doc);
+
+ $entries = $xpath->query('(//img[@src])');
+
+ foreach ($entries as $entry) {
+ if ($entry->hasAttribute('src')) {
+ $src = rewrite_relative_url($site_url, $entry->getAttribute('src'));
+
+ $local_filename = CACHE_DIR . "/images/" . sha1($src) . ".png";
+
+ if ($debug) _debug("cache_images: downloading: $src to $local_filename");
+
+ if (!file_exists($local_filename)) {
+ $file_content = fetch_file_contents($src);
+
+ if ($file_content) {
+ file_put_contents($local_filename, $file_content);
+ }
+ }
+
+ if (file_exists($local_filename)) {
+ $entry->setAttribute('src', SELF_URL_PATH . '/image.php?url=' .
+ htmlspecialchars($src));
+ }
+ }
+ }
+
+ $node = $doc->getElementsByTagName('body')->item(0);
+
+ return $doc->saveXML($node);
+ }
+
+ function expire_cached_files($debug) {
+ foreach (array("magpie", "simplepie", "images") as $dir) {
+ $cache_dir = CACHE_DIR . "/$dir";
+
+ if ($debug) _debug("Expiring $cache_dir");
+
+ $num_deleted = 0;
+
+ if (is_writable($cache_dir)) {
+ $files = glob("$cache_dir/*");
+
+ foreach ($files as $file) {
+ if (time() - filemtime($file) > 86400*7) {
+ unlink($file);
+
+ ++$num_deleted;
+ }
+ }
+ }
+
+ if ($debug) _debug("Removed $num_deleted files.");
+ }
+ }
?>
diff --git a/mobile/image.php b/mobile/image.php
index 1fb8368b..eec72947 100644
--- a/mobile/image.php
+++ b/mobile/image.php
@@ -1,6 +1,19 @@