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-rw-r--r--mod/update_channel.php60
1 files changed, 60 insertions, 0 deletions
diff --git a/mod/update_channel.php b/mod/update_channel.php
new file mode 100644
index 000000000..08b7bd5d7
--- /dev/null
+++ b/mod/update_channel.php
@@ -0,0 +1,60 @@
+<?php
+
+/**
+ * Module: update_profile
+ * Purpose: AJAX synchronisation of profile page
+ *
+ */
+
+
+require_once('mod/channel.php');
+
+function update_channel_content(&$a) {
+
+ $profile_uid = intval($_GET['p']);
+
+ header("Content-type: text/html");
+ echo "<!DOCTYPE html><html><body>\r\n";
+
+ /**
+ * We can remove this hack once Internet Explorer recognises HTML5 natively
+ */
+
+ echo (($_GET['msie'] == 1) ? '<div>' : '<section>');
+
+ /**
+ *
+ * Grab the page inner contents by calling the content function from the profile module directly,
+ * but move any image src attributes to another attribute name. This is because
+ * some browsers will prefetch all the images for the page even if we don't need them.
+ * The only ones we need to fetch are those for new page additions, which we'll discover
+ * on the client side and then swap the image back.
+ *
+ */
+
+ $text = channel_content($a,$profile_uid);
+
+ $pattern = "/<img([^>]*) src=\"([^\"]*)\"/";
+ $replace = "<img\${1} dst=\"\${2}\"";
+ $text = preg_replace($pattern, $replace, $text);
+
+ $replace = '<br />' . t('[Embedded content - reload page to view]') . '<br />';
+ $pattern = "/<\s*audio[^>]*>(.*?)<\s*\/\s*audio>/i";
+ $text = preg_replace($pattern, $replace, $text);
+ $pattern = "/<\s*video[^>]*>(.*?)<\s*\/\s*video>/i";
+ $text = preg_replace($pattern, $replace, $text);
+ $pattern = "/<\s*embed[^>]*>(.*?)<\s*\/\s*embed>/i";
+ $text = preg_replace($pattern, $replace, $text);
+ $pattern = "/<\s*iframe[^>]*>(.*?)<\s*\/\s*iframe>/i";
+ $text = preg_replace($pattern, $replace, $text);
+
+ /**
+ * reportedly some versions of MSIE don't handle tabs in XMLHttpRequest documents very well
+ */
+
+ echo str_replace("\t",' ',$text);
+ echo (($_GET['msie'] == 1) ? '</div>' : '</section>');
+ echo "</body></html>\r\n";
+ killme();
+
+} \ No newline at end of file