From ef9511c713980faecc65b898b15a50163218cbaa Mon Sep 17 00:00:00 2001
From: Michael Gapczynski <GapczynskiM@gmail.com>
Date: Sat, 5 May 2012 14:56:52 -0400
Subject: [PATCH] Refactor sharing UI; bug fixes, code clean-up, and more
 efficient with less ajax calls

---
 apps/files_sharing/ajax/getitem.php          |  87 ++-
 apps/files_sharing/ajax/getstatuses.php      |  25 +
 apps/files_sharing/ajax/setpermissions.php   |  15 +-
 apps/files_sharing/ajax/share.php            |  44 +-
 apps/files_sharing/ajax/unshare.php          |  13 +-
 apps/files_sharing/ajax/userautocomplete.php |  10 +-
 apps/files_sharing/css/sharing.css           |   5 +-
 apps/files_sharing/js/share.js               | 530 +++++++++++--------
 apps/files_sharing/lib_share.php             |   8 +-
 9 files changed, 449 insertions(+), 288 deletions(-)
 create mode 100644 apps/files_sharing/ajax/getstatuses.php

diff --git a/apps/files_sharing/ajax/getitem.php b/apps/files_sharing/ajax/getitem.php
index d9404f7e3b..6eed040823 100755
--- a/apps/files_sharing/ajax/getitem.php
+++ b/apps/files_sharing/ajax/getitem.php
@@ -1,36 +1,69 @@
 <?php
-//$RUNTIME_NOAPPS = true;
-
+require_once(OC::$APPSROOT . '/apps/files_sharing/lib_share.php');
  
 OCP\JSON::checkAppEnabled('files_sharing');
-require_once(OC::$APPSROOT . '/apps/files_sharing/lib_share.php');
+OCP\JSON::checkLoggedIn();
 
-$userDirectory = "/".OCP\USER::getUser()."/files";
-$source = $userDirectory.$_GET['source'];
+$item = array();
+$userDirectory = '/'.OCP\USER::getUser().'/files';
+$source = $userDirectory.$_GET['item'];
 $path = $source;
-$users = array();
-if ($users = OC_Share::getMySharedItem($source)) {
-	for ($i = 0; $i < count($users); $i++) {
-		if ($users[$i]['uid_shared_with'] == OC_Share::PUBLICLINK) {
-			$users[$i]['token'] = OC_Share::getTokenFromSource($source);
-		}
-	}
-}
-$source = dirname($source);
-while ($source != "" && $source != "/" && $source != "." && $source != $userDirectory) {
-	if ($values = OC_Share::getMySharedItem($source)) {
-		$values = array_values($values);
-		$parentUsers = array();
-		for ($i = 0; $i < count($values); $i++) {
-			if ($values[$i]['uid_shared_with'] == OC_Share::PUBLICLINK) {
-				$values[$i]['token'] = OC_Share::getTokenFromSource($source)."&path=".substr($path, strlen($source));
+// Search for item and shared parent folders
+while ($path != $userDirectory) {
+	if ($rows = OC_Share::getMySharedItem($path)) {
+		for ($i = 0; $i < count($rows); $i++) {
+			$uid_shared_with = $rows[$i]['uid_shared_with'];
+			if ($uid_shared_with == OC_Share::PUBLICLINK && !isset($item['privateLink'])) {
+				$token = OC_Share::getTokenFromSource($path);
+				if ($path == $source) {
+					$item['privateLink'] = $token;
+				} else {
+					// If in parent folder, include a path parameter to get direct access to file
+					$item['privateLink'] = $token.'&path='.substr($source, strlen($path));
+				}
+			} else {
+				// Check if uid_shared_with is a group
+				if (($pos = strpos($uid_shared_with, '@')) !== false) {
+					$gid = substr($uid_shared_with, $pos + 1);
+					// Include users in the group so the users can be removed from the list of people to share with
+					if ($path == $source) {
+						$group = array(array('gid' => $gid, 'permissions' => $rows[$i]['permissions'], 'users' => OC_Group::usersInGroup($gid), 'parentFolder' => false));
+					} else {
+						$group = array(array('gid' => $gid, 'permissions' => $rows[$i]['permissions'], 'users' => OC_Group::usersInGroup($gid), 'parentFolder' => basename($path)));
+					}
+					if (!isset($item['groups'])) {
+						$item['groups'] = $group;
+					} else if (is_array($item['groups'])) {
+						$gidExists = false;
+						$currentGroups = $item['groups'];
+						// Check if the group is already included
+						foreach ($currentGroups as $g) {
+							if ($g['gid'] == $gid) {
+								$gidExists = true;
+							}
+						}
+						if (!$gidExists) {
+							$item['groups'] = array_merge($item['groups'], $group);
+						}
+					}
+				} else {
+					if ($path == $source) {
+						$user = array(array('uid' => $uid_shared_with, 'permissions' => $rows[$i]['permissions'], 'parentFolder' => false));
+					} else {
+						$user = array(array('uid' => $uid_shared_with, 'permissions' => $rows[$i]['permissions'], 'parentFolder' => basename($path)));
+					}
+					if (!isset($item['users'])) {
+						$item['users'] = $user;
+					} else if (is_array($item['users'])) {
+						$item['users'] = array_merge($item['users'], $user);
+					}
+				}
 			}
-			$parentUsers[basename($source)."-".$i] = $values[$i];
 		}
-		$users = array_merge($users, $parentUsers);
 	}
-	$source = dirname($source);
-}
-if (!empty($users)) {
-	OCP\JSON::encodedPrint($users);
+	$path = dirname($path);
 }
+
+OCP\JSON::success(array('data' => $item));
+
+?>
diff --git a/apps/files_sharing/ajax/getstatuses.php b/apps/files_sharing/ajax/getstatuses.php
new file mode 100644
index 0000000000..c1892e7e2a
--- /dev/null
+++ b/apps/files_sharing/ajax/getstatuses.php
@@ -0,0 +1,25 @@
+<?php
+require_once(OC::$APPSROOT . '/apps/files_sharing/lib_share.php');
+
+OCP\JSON::checkAppEnabled('files_sharing');
+OCP\JSON::checkLoggedIn();
+
+$items = array();
+$userDirectory = '/'.OCP\USER::getUser().'/files';
+$dirLength = strlen($userDirectory);
+if ($rows = OC_Share::getMySharedItems()) {
+	for ($i = 0; $i < count($rows); $i++) {
+		$source = $rows[$i]['source'];
+		// Strip out user directory
+		$item = substr($source, $dirLength);
+		if ($rows[$i]['uid_shared_with'] == OC_Share::PUBLICLINK) {
+			$items[$item] = true;
+		} else {
+			$items[$item] = false;
+		}
+	}
+}
+
+OCP\JSON::success(array('data' => $items));
+
+?>
\ No newline at end of file
diff --git a/apps/files_sharing/ajax/setpermissions.php b/apps/files_sharing/ajax/setpermissions.php
index 73f59d73db..2f4c5da978 100755
--- a/apps/files_sharing/ajax/setpermissions.php
+++ b/apps/files_sharing/ajax/setpermissions.php
@@ -1,13 +1,14 @@
 <?php
-//$RUNTIME_NOAPPS = true;
-
- 
-OCP\JSON::checkAppEnabled('files_sharing');
 require_once(OC::$APPSROOT . '/apps/files_sharing/lib_share.php');
 
-$source = "/".OCP\USER::getUser()."/files".$_GET['source'];
-$uid_shared_with = $_GET['uid_shared_with'];
-$permissions = $_GET['permissions'];
+OCP\JSON::checkAppEnabled('files_sharing');
+OCP\JSON::checkLoggedIn();
+
+$source = '/'.OCP\USER::getUser().'/files'.$_POST['source'];
+$uid_shared_with = $_POST['uid_shared_with'];
+$permissions = $_POST['permissions'];
 OC_Share::setPermissions($source, $uid_shared_with, $permissions);
 
+OCP\JSON::success();
+
 ?>
diff --git a/apps/files_sharing/ajax/share.php b/apps/files_sharing/ajax/share.php
index 4863170f57..79ebf9187b 100755
--- a/apps/files_sharing/ajax/share.php
+++ b/apps/files_sharing/ajax/share.php
@@ -1,31 +1,33 @@
 <?php
-//$RUNTIME_NOAPPS = true;
-
- 
-OCP\JSON::checkAppEnabled('files_sharing');
 require_once(OC::$APPSROOT . '/apps/files_sharing/lib_share.php');
 
-$userDirectory = "/".OCP\USER::getUser()."/files";
-$sources = explode(";", $_POST['sources']);
+OCP\JSON::checkAppEnabled('files_sharing');
+OCP\JSON::checkLoggedIn();
+
+$userDirectory = '/'.OCP\USER::getUser().'/files';
+$sources = explode(';', $_POST['sources']);
 $uid_shared_with = $_POST['uid_shared_with'];
 $permissions = $_POST['permissions'];
 foreach ($sources as $source) {
-	// Make sure file exists and can be shared
-	if ($source && OC_FILESYSTEM::file_exists($source) && OC_FILESYSTEM::is_readable($source)) {
-		$source = $userDirectory.$source;
-	// If the file doesn't exist, it may be shared with the current user
-	} else if (!$source = OC_Share::getSource($userDirectory.$source)) {
-		OCP\Util::writeLog('files_sharing',"Shared file doesn't exists :".$source,OCP\Util::ERROR);
-		echo "false";
-	}
-	try {
-		$shared = new OC_Share($source, $uid_shared_with, $permissions);
-		if ($uid_shared_with == OC_Share::PUBLICLINK) {
-			echo $shared->getToken();
+	$path = ltrim($source, '/'); 
+	$source = $userDirectory.$source;
+	// Check if the file exists or if the file is being reshared
+	if ($source && (OC_FILESYSTEM::file_exists($path) && OC_FILESYSTEM::is_readable($path) || OC_Share::getSource($source))) {
+		try {
+			$shared = new OC_Share($source, $uid_shared_with, $permissions);
+			// If this is a private link, return the token
+			if ($uid_shared_with == OC_Share::PUBLICLINK) {
+				OCP\JSON::success(array('data' => $shared->getToken()));
+			} else {
+				OCP\JSON::success();
+			}
+		} catch (Exception $exception) {
+			OCP\Util::writeLog('files_sharing', 'Unexpected Error : '.$exception->getMessage(),OCP\Util::ERROR);
+			OCP\JSON::error();
 		}
-	} catch (Exception $exception) {
-		OCP\Util::writeLog('files_sharing',"Unexpected Error : ".$exception->getMessage(),OCP\Util::ERROR);
-		echo "false";
+	} else {
+		OCP\Util::writeLog('files_sharing', 'File does not exist or is not readable :'.$source,OCP\Util::ERROR);
+		OCP\JSON::error();
 	}
 }
 
diff --git a/apps/files_sharing/ajax/unshare.php b/apps/files_sharing/ajax/unshare.php
index 5056c59a3d..9088bf4266 100755
--- a/apps/files_sharing/ajax/unshare.php
+++ b/apps/files_sharing/ajax/unshare.php
@@ -1,12 +1,13 @@
 <?php
-//$RUNTIME_NOAPPS = true;
-
- 
-OCP\JSON::checkAppEnabled('files_sharing');
 require_once(OC::$APPSROOT . '/apps/files_sharing/lib_share.php');
 
-$source = "/".OCP\USER::getUser()."/files".$_GET['source'];
-$uid_shared_with = $_GET['uid_shared_with'];
+OCP\JSON::checkAppEnabled('files_sharing');
+OCP\JSON::checkLoggedIn();
+
+$source = '/'.OCP\USER::getUser().'/files'.$_POST['source'];
+$uid_shared_with = $_POST['uid_shared_with'];
 OC_Share::unshare($source, $uid_shared_with);
 
+OCP\JSON::success();
+
 ?>
diff --git a/apps/files_sharing/ajax/userautocomplete.php b/apps/files_sharing/ajax/userautocomplete.php
index 73b5f12698..99cc81bce0 100755
--- a/apps/files_sharing/ajax/userautocomplete.php
+++ b/apps/files_sharing/ajax/userautocomplete.php
@@ -1,7 +1,4 @@
 <?php
-//$RUNTIME_NOAPPS = true;
-
- 
 
 OCP\JSON::checkLoggedIn();
 OCP\JSON::checkAppEnabled('files_sharing');
@@ -14,12 +11,17 @@ $users[] = "<optgroup label='Users'>";
 $groups[] = "<optgroup label='Groups'>";
 foreach ($userGroups as $group) {
 	$groupUsers = OC_Group::usersInGroup($group);
+	$userCount = 0;
 	foreach ($groupUsers as $user) {
 		if ($user != $self) {
 			$users[] = "<option value='".$user."'>".$user."</option>";
+			$userCount++;
 		}
 	}
-	$groups[] = "<option value='".$group."'>".$group."</option>";
+	// Don't include the group if only the current user is a member of it
+	if ($userCount > 0) {
+		$groups[] = "<option value='".$group."(group)'>".$group." (group) </option>";
+	}
 }
 $users[] = "</optgroup>";
 $groups[] = "</optgroup>";
diff --git a/apps/files_sharing/css/sharing.css b/apps/files_sharing/css/sharing.css
index 5acd9af589..c4b4540e9d 100644
--- a/apps/files_sharing/css/sharing.css
+++ b/apps/files_sharing/css/sharing.css
@@ -6,8 +6,9 @@
 -moz-box-shadow:0 1px 1px #777; -webkit-box-shadow:0 1px 1px #777; box-shadow:0 1px 1px #777;
 -moz-border-radius-bottomleft:1em; -webkit-border-bottom-left-radius:1em; border-bottom-left-radius:1em;
 -moz-border-radius-bottomright:1em; -webkit-border-bottom-right-radius:1em; border-bottom-right-radius:1em; }
-#shared_list { padding:0.5em; list-style-type: none; }
-#public { border-top:1px solid #ddd; padding-top:0.5em; }
+#sharedWithList { padding:0.5em; list-style-type: none; }
+#privateLink { border-top:1px solid #ddd; padding-top:0.5em; }
 a.unshare { float:right; display:inline; margin:0 .5em; padding:.3em .3em 0 .3em !important; opacity:.5; }
 a.unshare:hover { opacity:1; }
 #share_with { width: 16em; }
+#privateLink label, .edit { font-weight:normal; }
diff --git a/apps/files_sharing/js/share.js b/apps/files_sharing/js/share.js
index d9750761fc..65118f5e85 100644
--- a/apps/files_sharing/js/share.js
+++ b/apps/files_sharing/js/share.js
@@ -1,100 +1,270 @@
-$(document).ready(function() {
-	var shared_status = {};
-	if (typeof FileActions !== 'undefined') {
-		FileActions.register('all', 'Share', function(filename) {
-			if (scanFiles.scanning){return;}//workaround to prevent additional http request block scanning feedback
-			var icon;
-			if (typeof filename == 'undefined') {
-				return false;
-			}
-			var file = $('#dir').val()+'/'+filename;
-			if(shared_status[file])
-				return shared_status[file].icon;
-			$.ajax({
-				type: 'GET',
-				url: OC.linkTo('files_sharing', 'ajax/getitem.php'),
-				dataType: 'json',
-				data: {source: file},
-				async: false,
-				success: function(users) {
-					if (users) {
-						icon = OC.imagePath('core', 'actions/shared');
-						$.each(users, function(index, row) {
-							if (row.uid_shared_with == 'public') {
-								icon = OC.imagePath('core', 'actions/public');
-							}
-						});
+OC.Share={
+	icons:[],
+	itemUsers:[],
+	itemGroups:[],
+	itemPrivateLink:false,
+	usersAndGroups:[],
+	loadIcons:function() {
+		// Cache all icons for shared files
+		$.getJSON(OC.filePath('files_sharing', 'ajax', 'getstatuses.php'), function(result) {
+			if (result && result.status === 'success') {
+				$.each(result.data, function(item, hasPrivateLink) {
+					if (hasPrivateLink) {
+						OC.Share.icons[item] = OC.imagePath('core', 'actions/public');
 					} else {
-						icon = OC.imagePath('core', 'actions/share');
-					}
-					shared_status[file]= { timestamp: new Date().getTime(), icon: icon };
-				}
-			});
-			return icon;
-		}, function(filename) {
-			if (($('#dropdown').length > 0)) {
-				$('#dropdown').hide('blind', function() {
-					var dropdownFile = $('#dropdown').data('file') 
-					var file = $('#dir').val()+'/'+filename;
-					$('#dropdown').remove();
-					$('tr').removeClass('mouseOver');
-					if (dropdownFile != file) {
-						createDropdown(filename, file);
+						OC.Share.icons[item] = OC.imagePath('core', 'actions/shared');
 					}
 				});
+			}
+		});
+	},
+	loadItem:function(item) {
+		$.ajax({type: 'GET', url: OC.filePath('files_sharing', 'ajax', 'getitem.php'), data: { item: item }, async: false, success: function(result) {
+			if (result && result.status === 'success') {
+				var item = result.data;
+				OC.Share.itemUsers = item.users;
+				OC.Share.itemGroups = item.groups;
+				OC.Share.itemPrivateLink = item.privateLink;
+			}
+		}});
+	},
+	share:function(source, uid_shared_with, permissions, callback) {
+		$.post(OC.filePath('files_sharing', 'ajax', 'share.php'), { sources: source, uid_shared_with: uid_shared_with, permissions: permissions }, function(result) {
+			if (result && result.status === 'success') {
+				if (callback) {
+					callback(result.data);
+				}
 			} else {
-				createDropdown(filename, $('#dir').val()+'/'+filename);
+				OC.dialogs.alert('Error', 'Error while sharing');
+			}
+		});
+	},
+	unshare:function(source, uid_shared_with, callback) {
+		$.post(OC.filePath('files_sharing', 'ajax', 'unshare.php'), { source: source, uid_shared_with: uid_shared_with }, function(result) {
+			if (result && result.status === 'success') {
+				if (callback) {
+					callback();
+				}
+			} else {
+				OC.dialogs.alert('Error', 'Error while unsharing');
+			}
+		});
+	},
+	changePermissions:function(source, uid_shared_with, permissions) {
+		$.post(OC.filePath('files_sharing','ajax','setpermissions.php'), { source: source, uid_shared_with: uid_shared_with, permissions: permissions }, function(result) {
+			if (!result || result.status !== 'success') {
+				OC.dialogs.alert('Error', 'Error while changing permissions');
+			}
+		});
+	},
+	showDropDown:function(item, appendTo) {
+		OC.Share.loadItem(item);
+		var html = '<div id="dropdown" class="drop" data-item="'+item+'">';
+		html += '<select data-placeholder="User or Group" id="share_with" class="chzen-select">';
+		html += '<option value=""></option>';
+		html += '</select>';
+		html += '<div id="sharedWithList">';
+		html += '<ul id="userList"></ul>';
+		html += '<div id="groups" style="display:none;">';
+		html += '<br />';
+		html += 'Groups: ';
+		html += '<ul id="groupList"></ul>';
+		html += '</div>';
+		html += '</div>';
+		html += '<div id="privateLink">';
+		html += '<input type="checkbox" name="privateLinkCheckbox" id="privateLinkCheckbox" value="1" /><label for="privateLinkCheckbox">Share with private link</label>';
+		html += '<br />';
+		html += '<input id="privateLinkText" style="display:none; width:90%;" />';
+		html += '<input id="email" style="display:none; width:65%;" value="" placeholder="Email link to person" />';
+		html += '<input id="emailButton" style="display:none;" type="submit" value="Send" />';
+		html += '</div>';
+		$(html).appendTo(appendTo);
+		if (OC.Share.usersAndGroups.length < 1) {
+			$.getJSON(OC.filePath('files_sharing', 'ajax', 'userautocomplete.php'), function(users) {
+				if (users) {
+					OC.Share.usersAndGroups = users;
+					$.each(users, function(index, user) {
+						$(user).appendTo('#share_with');
+					});
+					$('#share_with').trigger('liszt:updated');
+				}
+			});
+		} else {
+			$.each(OC.Share.usersAndGroups, function(index, user) {
+				$(user).appendTo('#share_with');
+			});
+			$('#share_with').trigger('liszt:updated');
+		}
+		if (OC.Share.itemUsers) {
+			$.each(OC.Share.itemUsers, function(index, user) {
+				if (user.parentFolder) {
+					OC.Share.addSharedWith(user.uid, user.permissions, false, user.parentFolder);
+				} else {
+					OC.Share.addSharedWith(user.uid, user.permissions, false, false);
+				}
+			});
+		}
+		if (OC.Share.itemGroups) {
+			$.each(OC.Share.itemGroups, function(index, group) {
+				if (group.parentFolder) {
+					OC.Share.addSharedWith(group.gid, group.permissions, group.users, group.parentFolder);
+				} else {
+					OC.Share.addSharedWith(group.gid, group.permissions, group.users, false);
+				}
+			});
+		}
+		if (OC.Share.itemPrivateLink) {
+			OC.Share.showPrivateLink(item, OC.Share.itemPrivateLink);
+		}
+		$('#dropdown').show('blind');
+		$('#share_with').chosen();
+	},
+	hideDropDown:function(callback) {
+		$('#dropdown').hide('blind', function() {
+			$('#dropdown').remove();
+			if (callback) {
+				callback.call();
+			}
+		});
+	},
+	addSharedWith:function(uid_shared_with, permissions, isGroup, parentFolder) {
+		if (parentFolder) {
+			var sharedWith = '<li>Parent folder '+parentFolder+' shared with '+uid_shared_with+'</li>';
+		} else {
+			var checked = ((permissions > 0) ? 'checked="checked"' : 'style="display:none;"');
+			var style = ((permissions == 0) ? 'style="display:none;"' : '');
+			var sharedWith = '<li data-uid_shared_with="'+uid_shared_with+'">';
+			sharedWith += '<a href="" class="unshare" style="display:none;"><img class="svg" alt="Unshare" src="'+OC.imagePath('core','actions/delete')+'"/></a>';
+			sharedWith += uid_shared_with;
+			sharedWith += '<input type="checkbox" name="permissions" id="'+uid_shared_with+'" class="permissions" '+checked+' />';
+			sharedWith += '<label class="edit" for="'+uid_shared_with+'" '+style+'>can edit</label>';
+			sharedWith += '</li>';
+		}
+		if (isGroup) {
+			// Groups are added to a different list
+			$('#groups').show();
+			$(sharedWith).appendTo('#groupList');
+			// Remove group from select form
+			$('#share_with option[value="'+uid_shared_with+'(group)"]').remove();
+			$('#share_with').trigger('liszt:updated');
+			// Remove users in group from select form
+			$.each(isGroup, function(index, user) {
+				$('#share_with option[value="'+user+'"]').remove();
+				$('#share_with').trigger('liszt:updated');
+			});
+		} else {
+			$(sharedWith).appendTo('#userList');
+			// Remove user from select form
+			$('#share_with option[value="'+uid_shared_with+'"]').remove();
+			$('#share_with').trigger('liszt:updated');
+		}
+		
+	},
+	removeSharedWith:function(uid_shared_with) {
+		$('#sharedWithList li[data-uid_shared_with="'+uid_shared_with+'"]').remove();
+		if ($('#groupList li').length < 1) {
+			$('#groups').hide();
+		}
+		var option = '<option value="'+uid_shared_with+'">'+uid_shared_with+'</option>';
+		$(option).appendTo('#share_with');
+		$('#share_with').trigger('liszt:updated');
+	},
+	showPrivateLink:function(item, token) {
+		$('#privateLinkCheckbox').attr('checked', true);
+		var link = parent.location.protocol+'//'+location.host+OC.linkTo('files_sharing','get.php')+'?token='+token;
+		if (token.indexOf('&path=') == -1) {
+			link += '&file=' + item;
+		} else {
+			// Disable checkbox if inside a shared parent folder
+			$('#privateLinkCheckbox').attr('disabled', 'true');
+		}
+		$('#privateLinkText').val(link);
+		$('#privateLinkText').show('blind', function() {
+			$('#privateLinkText').after('<br id="emailBreak" />');
+			$('#email').show();
+			$('#emailButton').show();
+		});
+	},
+	hidePrivateLink:function() {
+		$('#privateLinkText').hide('blind');
+		$('#emailBreak').remove();
+		$('#email').hide();
+		$('#emailButton').hide();
+	},
+	emailPrivateLink:function() {
+		$('#email').css('font-weight', 'bold');
+		$('#email').animate({ fontWeight: 'normal' }, 2000, function() {
+			$(this).val('');
+		}).val('Email sent');
+		$.post(OC.filePath('files_sharing', 'ajax', 'email.php'), 'toaddress='+$('#email').val()+'&link='+$('#link').val());
+	},
+	dirname:function(path) {
+		return path.replace(/\\/g,'/').replace(/\/[^\/]*$/, '');
+	}
+}
+
+$(document).ready(function() {
+	OC.Share.loadIcons();
+
+	if (typeof FileActions !== 'undefined') {
+		FileActions.register('all', 'Share', function(filename) {
+			// Return the correct sharing icon
+			if (scanFiles.scanning) { return; } // workaround to prevent additional http request block scanning feedback
+			var item =  $('#dir').val() + '/' + filename;
+			// Check if icon is in cache
+			if (OC.Share.icons[item]) {
+				return OC.Share.icons[item];
+			} else {
+				var last = '';
+				var path = OC.Share.dirname(item);
+				// Search for possible parent folders that are shared
+				while (path != last) {
+					if (OC.Share.icons[path]) {
+						OC.Share.icons[item] = OC.Share.icons[path];
+						return OC.Share.icons[item];
+					}
+					last = path;
+					path = OC.Share.dirname(path);
+				}
+				OC.Share.icons[item] = OC.imagePath('core', 'actions/share');
+				return OC.Share.icons[item];
+			}
+		}, function(filename) {
+			var file = $('#dir').val() + '/' + filename;
+			var appendTo = $('tr').filterAttr('data-file',filename).find('td.filename');
+			// Check if drop down is already visible for a different file
+			if (($('#dropdown').length > 0)) {
+				if (file != $('#dropdown').data('item')) {
+					OC.Share.hideDropDown(function () {
+						$('tr').removeClass('mouseOver');
+						$('tr').filterAttr('data-file',filename).addClass('mouseOver');
+						OC.Share.showDropDown(file, appendTo);
+					});
+				}
+			} else {
+				$('tr').filterAttr('data-file',filename).addClass('mouseOver');
+				OC.Share.showDropDown(file, appendTo);
 			}
 		});
 	};
-
-	$('.share').click(function(event) {
-		event.preventDefault();
-		event.stopPropagation();
-		var filenames = getSelectedFiles('name');
-		var length = filenames.length;
-		var files = '';
-		for (var i = 0; i < length; i++) {
-			files += $('#dir').val()+'/'+filenames[i]+';';
-		}
-		createDropdown(false, files);
-	});
 	
 	$(this).click(function(event) {
 		if (!($(event.target).hasClass('drop')) && $(event.target).parents().index($('#dropdown')) == -1) {
 			if ($('#dropdown').is(':visible')) {
-				delete shared_status[$('#dropdown').data('file')]; //Remove File from icon cache
-				$('#dropdown').hide('blind', function() {
-					$('#dropdown').remove();
+				OC.Share.hideDropDown(function() {
 					$('tr').removeClass('mouseOver');
 				});
 			}
 		}
 	});
-	
-	$('#share_with').live('change', function() {
-		var source = $('#dropdown').data('file');
-		var uid_shared_with = $(this).val();
-		var permissions = 0;
-		var data = 'sources='+encodeURIComponent(source)+'&uid_shared_with='+encodeURIComponent(uid_shared_with)+'&permissions='+encodeURIComponent(permissions);
-		$.ajax({
-			type: 'POST',
-			url: OC.linkTo('files_sharing','ajax/share.php'),
-			cache: false,
-			data: data,
-			success: function(result) {
-				if (result !== 'false') {
-					addUser(uid_shared_with, permissions, false);
-				}
-			}
-		});
-	});
-	
-	$('#shared_list > li').live('mouseenter', function(event) {
+
+	$('#sharedWithList li').live('mouseenter', function(event) {
+		// Show permissions and unshare button
 		$(':hidden', this).show();
 	});
 	
-	$('#shared_list > li').live('mouseleave', function(event) {
+	$('#sharedWithList li').live('mouseleave', function(event) {
+		// Hide permissions and unshare button
 		$('a', this).hide();
 		if (!$('input:[type=checkbox]', this).is(':checked')) {
 			$('input:[type=checkbox]', this).hide();
@@ -102,161 +272,85 @@ $(document).ready(function() {
 		}
 	});
 	
-	$('.permissions').live('change', function() {
-		var permissions = (this.checked) ? 1 : 0;
-		var source = $('#dropdown').data('file');
-		var uid_shared_with = $(this).parent().data('uid_shared_with');
-		var data = 'source='+encodeURIComponent(source)+'&uid_shared_with='+encodeURIComponent(uid_shared_with)+'&permissions='+encodeURIComponent(permissions);
-		$.ajax({
-			type: 'GET',
-			url: OC.linkTo('files_sharing','ajax/setpermissions.php'),
-			cache: false,
-			data: data
-		});
-	});
-
-	$('.unshare').live('click', function(event) {
-		event.preventDefault();
-		var user = $(this).parent();
-		var source = $('#dropdown').data('file');
-		var uid_shared_with = user.data('uid_shared_with');
-		var data = 'source='+encodeURIComponent(source)+'&uid_shared_with='+encodeURIComponent(uid_shared_with);
-		$.ajax({
-			type: 'GET',
-			url: OC.linkTo('files_sharing','ajax/unshare.php'),
-			cache: false,
-			data: data,
-			success: function() {
-				var option = '<option value="'+uid_shared_with+'">'+uid_shared_with+'</option>';
-				$(user).remove();
-				$(option).appendTo('#share_with');
-				$('#share_with').trigger('liszt:updated');
+	$('#share_with').live('change', function() {
+		var item = $('#dropdown').data('item');
+		var uid_shared_with = $(this).val();
+		var pos = uid_shared_with.indexOf('(group)');
+		var isGroup = false;
+		if (pos != -1) {
+			// Remove '(group)' from uid_shared_with
+			uid_shared_with = uid_shared_with.substr(0, pos);
+			isGroup = true;
+		}
+		OC.Share.share(item, uid_shared_with, 0, function() {
+			if (isGroup) {
+				// Reload item because we don't know which users are in the group
+				OC.Share.loadItem(item);
+				var users;
+				$.each(OC.Share.itemGroups, function(index, group) {
+					if (group.gid == uid_shared_with) {
+						users = group.users;
+					}
+				});
+				OC.Share.addSharedWith(uid_shared_with, 0, users, false);
+			} else {
+				OC.Share.addSharedWith(uid_shared_with, 0, false, false);
+			}
+			// Change icon
+			if (!OC.Share.itemPrivateLink) {
+				OC.Share.icons[item] = OC.imagePath('core', 'actions/shared');
 			}
 		});
 	});
 	
-	$('#makelink').live('change', function() {
+	$('.unshare').live('click', function() {
+		var item = $('#dropdown').data('item');
+		var uid_shared_with = $(this).parent().data('uid_shared_with');
+		OC.Share.unshare(item, uid_shared_with, function() {
+			OC.Share.removeSharedWith(uid_shared_with);
+			// Reload item to update cached users and groups for the icon check
+			OC.Share.loadItem(item);
+			// Change icon
+			if (!OC.Share.itemPrivateLink && !OC.Share.itemUsers && !OC.Share.itemGroups) {
+				OC.Share.icons[item] = OC.imagePath('core', 'actions/share');
+			}
+		});
+	});
+	
+	$('.permissions').live('change', function() {
+		var permissions = (this.checked) ? 1 : 0;
+		OC.Share.changePermissions($('#dropdown').data('item'), $(this).parent().data('uid_shared_with'), permissions);
+	});
+	
+	$('#privateLinkCheckbox').live('change', function() {
+		var item = $('#dropdown').data('item');
 		if (this.checked) {
-			var source = $('#dropdown').data('file');
-			var uid_shared_with = 'public';
-			var permissions = 0;
-			var data = 'sources='+encodeURIComponent(source)+'&uid_shared_with='+encodeURIComponent(uid_shared_with)+'&permissions='+encodeURIComponent(permissions);
-			$.ajax({
-				type: 'POST',
-				url: OC.linkTo('files_sharing','ajax/share.php'),
-				cache: false,
-				data: data,
-				success: function(token) {
-					if (token) {
-						showPublicLink(token, source.substr(source.lastIndexOf('/')));
-					}
-				}
+			// Create a private link
+			OC.Share.share(item, 'public', 0, function(token) {
+				OC.Share.showPrivateLink(item, token);
+				// Change icon
+				OC.Share.icons[item] = OC.imagePath('core', 'actions/public');
 			});
 		} else {
-			var source = $('#dropdown').data('file');
-			var uid_shared_with = 'public';
-			var data = 'source='+encodeURIComponent(source)+'&uid_shared_with='+encodeURIComponent(uid_shared_with);
-			$.ajax({
-				type: 'GET',
-				url: OC.linkTo('files_sharing','ajax/unshare.php'),
-				cache: false,
-				data: data,
-				success: function(){
-					$('#link').hide('blind');
-					$('#emailBreak').remove();
-					$('#email').hide();
-					$('#emailButton').hide();
+			// Delete private link
+			OC.Share.unshare(item, 'public', function() {
+				OC.Share.hidePrivateLink();
+				// Change icon
+				if (OC.Share.itemUsers || OC.Share.itemGroups) {
+					OC.Share.icons[item] = OC.imagePath('core', 'actions/shared');
+				} else {
+					OC.Share.icons[item] = OC.imagePath('core', 'actions/share');
 				}
 			});
 		}
 	});
 	
-	$('#link').live('click', function() {
+	$('#privateLinkText').live('click', function() {
 		$(this).focus();
 		$(this).select();
 	});
 
 	$('#emailButton').live('click', function() {
-		$('#email').css('font-weight', 'bold');
-		$('#email').animate({ fontWeight: 'normal' }, 2000, function() {
-			$(this).val('');
-		}).val('Email sent');
-		$.post(OC.filePath('files_sharing','ajax','email.php'), 'toaddress='+$('#email').val()+'&link='+$('#link').val());
+		OC.Share.emailPrivateLink();
 	});
-});
-
-function createDropdown(filename, files) {
-	var html = '<div id="dropdown" class="drop" data-file="'+files+'">';
-	html += '<div id="private">';
-	html += '<select data-placeholder="User or Group" id="share_with" class="chzen-select">';
-	html += '<option value=""></option>';
-	html += '</select>';
-	html += '<ul id="shared_list"></ul>';
-	html += '</div>';
-	html += '<div id="public">';
-	html += '<input type="checkbox" name="makelink" id="makelink" value="1" /><label for="makelink">Share with private link</label>';
-	//html += '<input type="checkbox" name="public_link_write" id="public_link_write" value="1" /><label for="public_link_write">allow upload</label>';
-	html += '<br />';
-	html += '<input id="link" style="display:none; width:90%;" />';
-	html += '<input id="email" style="display:none; width:65%;" value="" placeholder="Email link to person" />';
-	html += '<input id="emailButton" style="display:none;" type="submit" value="Send" />';
-	html += '</div>';
-	if (filename) {
-		$('tr').filterAttr('data-file',filename).addClass('mouseOver');
-		$(html).appendTo($('tr').filterAttr('data-file',filename).find('td.filename'));
-	} else {
-		$(html).appendTo($('thead .share'));
-	}
-	$.getJSON(OC.linkTo('files_sharing', 'ajax/userautocomplete.php'), function(users) {
-		if (users) {
-			$.each(users, function(index, row) {
-				$(row).appendTo('#share_with');
-			});
-			$('#share_with').trigger('liszt:updated');
-		}
-	});
-	$.getJSON(OC.linkTo('files_sharing', 'ajax/getitem.php'), { source: files }, function(users) {
-		if (users) {
-			$.each(users, function(index, row) {
-				if (row.uid_shared_with == 'public') {
-					showPublicLink(row.token, '/'+filename);
-				} else if (isNaN(index)) {
-					addUser(row.uid_shared_with, row.permissions, index.substr(0, index.lastIndexOf('-')));
-				} else {
-					addUser(row.uid_shared_with, row.permissions, false);
-				}
-			});
-		}
-	});
-	$('#dropdown').show('blind');
-	$('#share_with').chosen();
-}
-
-function addUser(uid_shared_with, permissions, parentFolder) {
-	if (parentFolder) {
-		var user = '<li>Parent folder '+parentFolder+' shared with '+uid_shared_with+'</li>';
-	} else {
-		var checked = ((permissions > 0) ? 'checked="checked"' : 'style="display:none;"');
-		var style = ((permissions == 0) ? 'style="display:none;"' : '');
-		var user = '<li data-uid_shared_with="'+uid_shared_with+'">';
-		user += '<a href="" class="unshare" style="display:none;"><img class="svg" alt="Unshare" src="'+OC.imagePath('core','actions/delete')+'"/></a>';
-		user += uid_shared_with;
-		user += '<input type="checkbox" name="permissions" id="'+uid_shared_with+'" class="permissions" '+checked+' />';
-		user += '<label for="'+uid_shared_with+'" '+style+'>can edit</label>';
-		user += '</li>';
-	}
-	$('#share_with option[value="'+uid_shared_with+'"]').remove();
-	$('#share_with').trigger('liszt:updated');
-	$(user).appendTo('#shared_list');
-}
-
-function showPublicLink(token, file) {
-	$('#makelink').attr('checked', true);
-	$('#link').data('token', token);
-	$('#link').val(parent.location.protocol+'//'+location.host+OC.linkTo('files_sharing','get.php')+'?token='+token+'&f='+file);
-	$('#link').show('blind', function() {
-		$('#link').after('<br id="emailBreak" />');
-		$('#email').show();
-		$('#emailButton').show();
-	});
-}
+});
\ No newline at end of file
diff --git a/apps/files_sharing/lib_share.php b/apps/files_sharing/lib_share.php
index 71cca30977..d5cf3d0a1b 100755
--- a/apps/files_sharing/lib_share.php
+++ b/apps/files_sharing/lib_share.php
@@ -69,7 +69,7 @@ class OC_Share {
 			}
 			foreach ($uid_shared_with as $uid) {
 				// Check if this item is already shared with the user
-				$checkSource = OCP\DB::prepare("SELECT source FROM *PREFIX*sharing WHERE source = ? AND uid_shared_with ".self::getUsersAndGroups($uid));
+				$checkSource = OCP\DB::prepare("SELECT source FROM *PREFIX*sharing WHERE source = ? AND uid_shared_with ".self::getUsersAndGroups($uid, false));
 				$resultCheckSource = $checkSource->execute(array($source))->fetchAll();
 				// TODO Check if the source is inside a folder
 				if (count($resultCheckSource) > 0 && !isset($gid)) {
@@ -125,7 +125,7 @@ class OC_Share {
 	* @param $uid (Optional) The uid to get the user groups for, a gid to get the users in a group, or if not set the current user
 	* @return An IN operator as a string
 	*/
-	private static function getUsersAndGroups($uid = null) {
+	private static function getUsersAndGroups($uid = null, $includePrivateLinks = true) {
 		$in = " IN(";
 		if (isset($uid) && OC_Group::groupExists($uid)) {
 			$users = OC_Group::usersInGroup($uid);
@@ -152,7 +152,9 @@ class OC_Share {
 				$in .= ", '".$uid."@".$group."'";
 			}
 		}
-		$in .= ", '".self::PUBLICLINK."'";
+		if ($includePrivateLinks) {
+			$in .= ", '".self::PUBLICLINK."'";
+		}
 		$in .= ")";
 		return $in;
 	}