diff --git a/include/import.php b/include/import.php
index 332571c27..c5c7a47f7 100644
--- a/include/import.php
+++ b/include/import.php
@@ -899,10 +899,60 @@ function sync_files($channel,$files) {
 					$att['aid'] = $channel['channel_account_id'];
 					$att['uid'] = $channel['channel_id'];
 
+
+					// check for duplicate folder names with the same parent. 
+					// If we have a duplicate that doesn't match this hash value
+					// change the name so that the contents won't be "covered over" 
+					// by the existing directory. Use the same logic we use for 
+					// duplicate files. 
+
+					if(strpos($att['filename'],'.') !== false) {
+						$basename = substr($att['filename'],0,strrpos($att['filename'],'.'));
+						$ext = substr($att['filename'],strrpos($att['filename'],'.'));
+					}
+					else {
+						$basename = $att['filename'];
+						$ext = '';
+					}
+
+					$r = q("select filename from attach where ( filename = '%s' OR filename like '%s' ) and folder == '%s' and hash != '%s' ",
+						dbesc($basename . $ext),
+						dbesc($basename . '(%)' . $ext),
+						dbesc($att['folder']),
+						dbesc($att['hash'])
+					);
+
+					if($r) {
+						$x = 1;
+
+						do {
+							$found = false;
+							foreach($r as $rr) {
+								if($rr['filename'] === $basename . '(' . $x . ')' . $ext) {
+									$found = true;
+									break;
+								}
+							}
+							if($found)
+								$x++;
+						}			
+						while($found);
+						$att['filename'] = $basename . '(' . $x . ')' . $ext;
+					}
+					else
+						$att['filename'] = $basename . $ext;
+
+					// end duplicate detection
+
+				
+					// is this a directory?
+
 					if($att['filetype'] === 'multipart/mixed' && $att['is_dir']) {
 						os_mkdir($newfname, STORAGE_DEFAULT_PERMISSIONS,true);
 						$att['data'] = $newfname;
+
 						dbesc_array($att);
+					
 						$r = dbq("INSERT INTO attach (`" 
 							. implode("`, `", array_keys($att)) 
 							. "`) VALUES ('" 
@@ -912,13 +962,16 @@ function sync_files($channel,$files) {
 						continue;
 					}
 					else {
+
+						// it's a file
+
 						$time = datetime_convert();
 
 						$parr = array('hash' => $channel['channel_hash'], 
 							'time' => $time, 
 							'resource' => $att['hash'],
 							'revision' => 0,
-							'sig' => rsa_sign($channel['channel_hash'] . '.' . $time, $channel['channel_prvkey'])
+							'signature' => base64url_encode(rsa_sign($channel['channel_hash'] . '.' . $time, $channel['channel_prvkey']))
 						);
 
 						$store_path = $newfname;
@@ -944,7 +997,6 @@ function sync_files($channel,$files) {
 						}
 						continue;
 					}
-
 				}
 			}
 			if(! $attachment_stored) {
diff --git a/include/photos.php b/include/photos.php
index 312ea18d3..943d7d503 100644
--- a/include/photos.php
+++ b/include/photos.php
@@ -194,7 +194,7 @@ function photo_upload($channel, $observer, $args) {
 	$link[0] = array(
 		'rel'  => 'alternate',
 		'type' => 'text/html',
-		'href' => $url = rawurlencode(z_root() . '/photo/' . $photo_hash . '-0.' . $ph->getExt()),
+		'href' => z_root() . '/photo/' . $photo_hash . '-0.' . $ph->getExt(),
 		'width' => $ph->getWidth(),
 		'height' => $ph->getHeight()
 	);
@@ -212,7 +212,7 @@ function photo_upload($channel, $observer, $args) {
 	$link[1] = array(
 		'rel'  => 'alternate',
 		'type' => 'text/html',
-		'href' => $url = rawurlencode(z_root() . '/photo/' . $photo_hash . '-1.' . $ph->getExt()),
+		'href' => z_root() . '/photo/' . $photo_hash . '-1.' . $ph->getExt(),
 		'width' => $ph->getWidth(),
 		'height' => $ph->getHeight()
 	);
@@ -227,7 +227,7 @@ function photo_upload($channel, $observer, $args) {
 	$link[2] = array(
 		'rel'  => 'alternate',
 		'type' => 'text/html',
-		'href' => $url = rawurlencode(z_root() . '/photo/' . $photo_hash . '-2.' . $ph->getExt()),
+		'href' => z_root() . '/photo/' . $photo_hash . '-2.' . $ph->getExt(),
 		'width' => $ph->getWidth(),
 		'height' => $ph->getHeight()
 	);
@@ -242,7 +242,7 @@ function photo_upload($channel, $observer, $args) {
 	$link[3] = array(
 		'rel'  => 'alternate',
 		'type' => 'text/html',
-		'href' => $url = rawurlencode(z_root() . '/photo/' . $photo_hash . '-3.' . $ph->getExt()),
+		'href' => z_root() . '/photo/' . $photo_hash . '-3.' . $ph->getExt(),
 		'width' => $ph->getWidth(),
 		'height' => $ph->getHeight()
 	);
diff --git a/include/text.php b/include/text.php
index d38f4f7c4..0a7f84b01 100644
--- a/include/text.php
+++ b/include/text.php
@@ -2753,15 +2753,13 @@ function item_url_replace($channel,&$item,$old,$new,$oldnick = '') {
 		$item['item_verified']  = 1;
 	}
 	
-	// @fixme item['plink'] and item['llink']
-
-	str_replace($old,$new,$item['plink']);
+	$item['plink'] = str_replace($old,$new,$item['plink']);
 	if($oldnick)
-		str_replace('/' . $oldnick . '/' ,'/' . $channel['channel_address'] . '/' ,$item['plink']);
+		$item['plink'] = str_replace('/' . $oldnick . '/' ,'/' . $channel['channel_address'] . '/' ,$item['plink']);
 
-	str_replace($old,$new,$item['llink']);
+	$item['llink'] = str_replace($old,$new,$item['llink']);
 	if($oldnick)
-		str_replace('/' . $oldnick . '/' ,'/' . $channel['channel_address'] . '/' ,$item['llink']);
+		$item['llink'] = str_replace('/' . $oldnick . '/' ,'/' . $channel['channel_address'] . '/' ,$item['llink']);
 	
 }
 
diff --git a/mod/getfile.php b/mod/getfile.php
index 6eca7ee34..c0916de79 100644
--- a/mod/getfile.php
+++ b/mod/getfile.php
@@ -46,7 +46,7 @@ function getfile_post(&$a) {
 	$d1 = datetime_convert('UTC','UTC',"now + $slop minutes");
 	$d2 = datetime_convert('UTC','UTC',"now - $slop minutes");	
 
-	if(($time > d1) || ($time < d2)) {
+	if(($time > $d1) || ($time < $d2)) {
 		logger('time outside allowable range');
 		killme();
 	}