protected override ActivityExecutionStatus Execute(ActivityExecutionContext executionContext)
{
SPSecurity.RunWithElevatedPrivileges(delegate()
{
using (SPSite site = new SPSite(__Context.Site.ID))
{
using (SPWeb web = site.AllWebs[__Context.Web.ID])
{
SPList list = web.Lists[Helper.GetListGuid(__Context, ListId)];
SPListItem item = list.Items.GetItemById(__ListItem);
SPRoleDefinition roleDef = web.RoleDefinitions[RoleName];
if (item.HasUniqueRoleAssignments == false)
{
item.BreakRoleInheritance(true);
}
AssignRoles(web, item, roleDef);
}
}
});
return(ActivityExecutionStatus.Closed);
}
/// <summary>
/// 给Item授权
/// </summary>
/// <param name="principal"></param>
/// <param name="web"></param>
/// <param name="ListItem"></param>
/// <param name="DelegateName"></param>
public static void DelegateForListItem(SPPrincipal principal, SPWeb web, SPListItem ListItem, string DelegateName)
{
SPSecurity.RunWithElevatedPrivileges(delegate()
{
try
{
using (SPSite site = new SPSite(web.Site.ID))
{
using (SPWeb _web = site.OpenWeb(web.ServerRelativeUrl))
{
SPListItem _listitem = _web.Lists[ListItem.ParentList.ID].GetItemById(ListItem.ID);
_web.AllowUnsafeUpdates = true;
SPRoleAssignment sra = new SPRoleAssignment(principal);
SPRoleDefinition srd = _web.RoleDefinitions[DelegateName];
sra.RoleDefinitionBindings.Add(srd);
_listitem.BreakRoleInheritance(true, false);
_listitem.RoleAssignments.Add(sra);
_listitem.Update();
}
}
}
catch (Exception ex)
{
}
});
}
public static void AddPermissionsToItem(SPWeb web, SPListItem item, Dictionary <SPPrincipal, string[]> assignments)
{
if (!item.HasUniqueRoleAssignments)
{
item.BreakRoleInheritance(false);
}
while (item.RoleAssignments.Count > 0)
{
item.RoleAssignments.Remove(0);
}
foreach (SPPrincipal principal in assignments.Keys)
{
foreach (string itemAssignment in assignments[principal])
{
SPRoleDefinition roleDef = GetPermissionLevel(web, itemAssignment);
if (roleDef == null)
{
continue;
}
SPRoleAssignment roleAssignment = new SPRoleAssignment(principal);
roleAssignment.RoleDefinitionBindings.Add(roleDef);
item.RoleAssignments.Add(roleAssignment);
}
}
//item.Update();
}
public static bool SetUserPermission(this SPListItem item, string userName, string permissionLevel)
{
var isSet = false;
try
{
item.Web.AllowUnsafeUpdates = true;
if (!item.HasUniqueRoleAssignments)
{
item.BreakRoleInheritance(false, false);
}
item.Update();
item.Web.Update();
var roleAssignment = new SPRoleAssignment(item.Web.AllUsers[userName]);
roleAssignment.RoleDefinitionBindings.Add(item.Web.RoleDefinitions[permissionLevel]);
item.RoleAssignments.Add(roleAssignment);
item.Update();
item.ParentList.Update();
item.Web.Update();
isSet = true;
}
catch (Exception ex)
{
Log.Error(ex);
throw new Exception($"SharePointCore: Error on {nameof(SetUserPermission)}", ex);
}
return(isSet);
}
/// <summary>
/// This method should be used instead of BreakRoleInheritance(true).
///
/// The OOTB method replicates all permissions from the parent, including the "Limited Access" permissions.
/// In environments with many users, there can be many of these meaningless permissions, which bloats the
/// SharePoint permission tables in SQL. This method reviews all RoleDefinitions in each principal's
/// RoleAssignments, stripping "Limited Access", before adding them to the item.
/// </summary>
/// <param name="item"></param>
public static void BreakCopyRoleInheritance(this SPListItem item)
{
SPRoleAssignmentCollection roleAssignments = item.RoleAssignments;
var activeAssignments = from SPRoleAssignment p in roleAssignments
where p.RoleDefinitionBindings.Count >= 1
select p;
item.BreakRoleInheritance(false);
foreach (SPRoleAssignment p in activeAssignments)
{
SPRoleAssignment assignment = new SPRoleAssignment(p.Member);
SPRoleDefinitionBindingCollection bindings = new SPRoleDefinitionBindingCollection();
foreach (SPRoleDefinition roleDef in p.RoleDefinitionBindings)
{
if (roleDef.Name != "Limited Access")
{
bindings.Add(roleDef);
}
}
if (bindings.Count > 0)
{
assignment.ImportRoleDefinitionBindings(bindings);
item.RoleAssignments.Add(assignment);
}
}
}
protected override ActivityExecutionStatus Execute(ActivityExecutionContext executionContext)
{
SPSecurity.RunWithElevatedPrivileges(delegate()
{
using (SPSite sitecollection = new SPSite(Url))
{
using (SPWeb web = sitecollection.OpenWeb())
{
SPList list = web.Lists[Liste.ToString()];
SPListItem listitem = list.Items.GetItemById(ElementID);
if (listitem != null)
{
if (!listitem.HasUniqueRoleAssignments)
{
listitem.BreakRoleInheritance(true);
}
for (int i = listitem.RoleAssignments.Count - 1; i >= 0; i--)
{
listitem.RoleAssignments.Remove(i);
}
listitem.Update();
}
}
}
});
return(base.Execute(executionContext));
}
public static void ClearRights(SPListItem item)
{
SPWeb web = item.Web;
bool allowUnsafeUpdates = web.AllowUnsafeUpdates;
web.AllowUnsafeUpdates = true;
if (!item.HasUniqueRoleAssignments)
{
item.BreakRoleInheritance(false);
if (web.AssociatedOwnerGroup != null)
{
var roleAssignment = new SPRoleAssignment(web.AssociatedOwnerGroup);
SPRoleDefinition byType = web.RoleDefinitions.GetByType(SPRoleType.Administrator);
roleAssignment.RoleDefinitionBindings.Add(byType);
item.RoleAssignments.Add(roleAssignment);
}
}
else
{
const int num = 0x3fffffff;
int num2 = (web.AssociatedOwnerGroup != null) ? web.AssociatedOwnerGroup.ID : -1;
for (int i = item.RoleAssignments.Count - 1; i >= 0; i--)
{
int iD = item.RoleAssignments[i].Member.ID;
if ((iD != num) && (iD != num2))
{
item.RoleAssignments.Remove(i);
}
}
}
web.AllowUnsafeUpdates = allowUnsafeUpdates;
}
public static void SetReadOnly(SPListItem item, int userId)
{
SPWeb web = item.Web;
bool allowUnsafeUpdates = web.AllowUnsafeUpdates;
web.AllowUnsafeUpdates = true;
if (!item.HasUniqueRoleAssignments)
{
item.BreakRoleInheritance(true);
}
web.AllowUnsafeUpdates = true;
SPRoleAssignmentCollection roleAssignments = item.RoleAssignments;
for (int i = roleAssignments.Count - 1; i > -1; i--)
{
SPRoleAssignment assignment = roleAssignments[i];
if (assignment.Member.ID == userId)
{
SPRoleDefinitionBindingCollection roleDefinitionBindings = assignment.RoleDefinitionBindings;
if ((roleDefinitionBindings.Count != 1) || (roleDefinitionBindings[0].Type != SPRoleType.Reader))
{
roleDefinitionBindings.RemoveAll();
SPRoleDefinition byType = web.RoleDefinitions.GetByType(SPRoleType.Reader);
roleDefinitionBindings.Add(byType);
assignment.Update();
}
break;
}
}
web.AllowUnsafeUpdates = allowUnsafeUpdates;
}
public static void SetReadOnly(SPListItem item)
{
SPWeb web = item.Web;
bool allowUnsafeUpdates = web.AllowUnsafeUpdates;
web.AllowUnsafeUpdates = true;
if (!item.HasUniqueRoleAssignments)
{
item.BreakRoleInheritance(true);
}
web.AllowUnsafeUpdates = true;
SPRoleAssignmentCollection roleAssignments = item.RoleAssignments;
int iD = web.Site.SystemAccount.ID;
int num2 = (web.AssociatedOwnerGroup != null) ? web.AssociatedOwnerGroup.ID : -1;
for (int i = roleAssignments.Count - 1; i > -1; i--)
{
SPRoleAssignment assignment = roleAssignments[i];
int num4 = assignment.Member.ID;
if ((num4 != iD) && (num4 != num2))
{
SPRoleDefinitionBindingCollection roleDefinitionBindings = assignment.RoleDefinitionBindings;
if ((roleDefinitionBindings.Count != 1) || (roleDefinitionBindings[0].Type != SPRoleType.Reader))
{
roleDefinitionBindings.RemoveAll();
SPRoleDefinition byType = web.RoleDefinitions.GetByType(SPRoleType.Reader);
roleDefinitionBindings.Add(byType);
assignment.Update();
}
}
}
web.AllowUnsafeUpdates = allowUnsafeUpdates;
}
private static void SetFolderPermissions(SPWeb web, string folderName, string memGrpName, string visGrpName, string blackbeltGroupName, string greenbeltGroupName, SPFolder fldr)
{
try
{
SPRoleDefinition pwcContribute = web.RoleDefinitions["PWC Contribute"];
SPRoleDefinition read = web.RoleDefinitions["Read"];
SPRoleDefinition viewOnly = web.RoleDefinitions["View Only"];
SPRoleDefinition pwcBronzeAdmin = web.RoleDefinitions["PWC Bronze Admin"];
SPRoleDefinition fullControl = web.RoleDefinitions["Full Control"];
SPGroup newMemGroup = web.SiteGroups[memGrpName];
SPGroup newVisGroup = web.SiteGroups[visGrpName];
SPGroup BBGroup = web.SiteGroups[blackbeltGroupName];
SPGroup GBGroup = web.SiteGroups[greenbeltGroupName];
SPListItem li = fldr.Item;
if (li.Name.Equals(folderName))
{
li.BreakRoleInheritance(false);
while (li.RoleAssignments.Count > 0)
{
li.RoleAssignments.Remove(0);
}
SPRoleAssignment spRoleAssignMemGrp = new SPRoleAssignment(newMemGroup);
spRoleAssignMemGrp.RoleDefinitionBindings.Add(pwcContribute);
li.RoleAssignments.Add(spRoleAssignMemGrp);
SPRoleAssignment spRoleAssignVisGrp = new SPRoleAssignment(newVisGroup);
spRoleAssignVisGrp.RoleDefinitionBindings.Add(read);
li.RoleAssignments.Add(spRoleAssignVisGrp);
SPRoleAssignment spRoleAssignBBGroup = new SPRoleAssignment(BBGroup);
spRoleAssignBBGroup.RoleDefinitionBindings.Add(read);
li.RoleAssignments.Add(spRoleAssignBBGroup);
SPRoleAssignment spRoleAssignGBGroup = new SPRoleAssignment(GBGroup);
spRoleAssignGBGroup.RoleDefinitionBindings.Add(read);
li.RoleAssignments.Add(spRoleAssignGBGroup);
//SPRoleAssignment spRoleAssignBronzeAdminGrp = new SPRoleAssignment(bronzeAdminGroup);
//spRoleAssignBronzeAdminGrp.RoleDefinitionBindings.Add(pwcBronzeAdmin);
//spRoleAssignBronzeAdminGrp.RoleDefinitionBindings.Add(pwcContribute);
// li.RoleAssignments.Add(spRoleAssignBronzeAdminGrp);
//SPRoleAssignment spRoleAssignOwnerGrp = new SPRoleAssignment(ownerGroup);
//spRoleAssignOwnerGrp.RoleDefinitionBindings.Add(fullControl);
// li.RoleAssignments.Add(spRoleAssignOwnerGrp);
}
}
catch (Exception e)
{
e.Message.ToString();
// ULSLogger.LogErrorInULS("Inside catch in setFolderPermissions() in PWC Secure Folder Feature---" + e.Message);
}
}
private void ConfigureItemPermissions(SPListItem item, SPWeb caseWeb, SPUser assignedTo, SPUser supervisor)
{
item.BreakRoleInheritance(false);
item.TryGrantPermission(assignedTo, SPRoleType.Administrator);
item.TryGrantPermission(supervisor, SPRoleType.Administrator);
item.TryGrantPermission(eCaseGroups.GetOwners(caseWeb), SPRoleType.Administrator);
item.TryGrantPermission(eCaseGroups.GetParticipants(caseWeb), SPRoleType.Contributor);
}
private void CheckFiles(XmlNode siteNode, string url)
{
bool containsIgnoreInheritance = ContainsAttribute("ignoreinheritance", siteNode);
bool containsImportOptions = ContainsAttribute("import", siteNode);
bool ignoreInheritance = containsIgnoreInheritance ?
Boolean.Parse(siteNode.Attributes["ignoreinheritance"].Value) :
true;
ImportOptions importOptions = containsImportOptions ?
(ImportOptions)Enum.Parse(typeof(ImportOptions), siteNode.Attributes["import"].Value) :
ImportOptions.All;
if (importOptions == ImportOptions.Folders)
{
return;
}
using (SPWeb web = new SPSite(url).OpenWeb())
{
XmlNodeList fileNodes = siteNode.SelectNodes("file");
foreach (XmlNode fileNode in fileNodes)
{
string fileTitle = fileNode.Attributes["file"].Value;
string fileUrl = fileNode.Attributes["url"].Value;
output.Append(string.Format("checking file: {0}" + Environment.NewLine, fileUrl));
try
{
SPFile file = web.GetFile(fileUrl);
SPListItem item = file.Item;
bool breakInheritance = !item.HasUniqueRoleAssignments && !ignoreInheritance;
bool applyPermissions = item.HasUniqueRoleAssignments || breakInheritance;
if (applyPermissions)
{
if (breakInheritance)
{
output.Append(string.Format("Breaking Inheritance!" + Environment.NewLine));
item.BreakRoleInheritance(false, false);
}
XmlNodeList principalGroupNodes = fileNode.SelectNodes("principal[@Group='true']");
CheckGroups(web, item, principalGroupNodes);
XmlNodeList principalUserNodes = fileNode.SelectNodes("principal[@Group='false']");
CheckUsers(web, item, principalUserNodes);
}
else
{
output.Append(string.Format("target file: {0,20}, is inheriting permissions" + Environment.NewLine, fileUrl));
}
}
catch { output.Append(string.Format("file missing: {0,20}" + Environment.NewLine, fileUrl)); }
}
}
}
/// <summary>
/// 删除指定角色的权限
/// </summary>
/// <param name="principal">角色</param>
/// <param name="web"></param>
/// <param name="ListItem">item对象</param>
/// <param name="DelegateName">权限名称</param>
public static void DeleteDelegateFromListItem(SPPrincipal principal, SPWeb web, SPListItem ListItem, string DelegateName)
{
SPSecurity.RunWithElevatedPrivileges(delegate()
{
try
{
if (principal != null)
{
using (SPSite site = new SPSite(web.Site.ID))
{
using (SPWeb _web = site.OpenWeb(web.ServerRelativeUrl))
{
SPListItem _listitem = _web.Lists[ListItem.ParentList.ID].GetItemById(ListItem.ID);
_web.AllowUnsafeUpdates = true;
//断开原来列表项所继承的权限,使其可以设置独立权限
if (!_listitem.HasUniqueRoleAssignments)
{
_listitem.BreakRoleInheritance(true);
}
SPRoleAssignment role = _listitem.RoleAssignments.GetAssignmentByPrincipal(principal);
if (!string.IsNullOrWhiteSpace(DelegateName))
{
SPRoleDefinition def = _web.RoleDefinitions[DelegateName];
if (role != null)
{
if (role.RoleDefinitionBindings.Contains(def))
{
role.RoleDefinitionBindings.Remove(def);
role.Update();
_listitem.SystemUpdate(false);
}
}
}
else
{
if (role != null)
{
role.RoleDefinitionBindings.RemoveAll();
role.Update();
_listitem.SystemUpdate(false);
}
}
}
}
}
else
{
//throw new Exception("没有可以删除权限的员工或组织!");
}
}
catch (Exception ex)
{
}
});
}
/// <summary>
/// An item was updated
/// </summary>
public override void ItemUpdated(SPItemEventProperties properties)
{
if (properties.ListItem["updateContributors"].ToString().Equals("True"))
{
//work around so it goes through it only once instead of everytime the item is updated
properties.ListItem["updateContributors"] = "False";
SPSite site = new SPSite("http://sp2010dev/ardt/");
using (SPWeb web = site.OpenWeb())
{
SPList list = web.Lists["Document Collaboration"];
SPListItem listItem = properties.ListItem;
SPUser userName = null;
String toAddress = null;
//EMail initializations
bool appendHtmlTag = false;
bool htmlEncode = false;
string subject = "You have been assigned to a Document";
string message = "Test Message";
//get usernames
string tempFieldValue = listItem["Assigned To"].ToString();
string[] userNameArray = listItem["Assigned To"].ToString().Split(';');
//remove permissions first
web.AllowUnsafeUpdates = true;
listItem.BreakRoleInheritance(false);
SPRoleAssignmentCollection raCollection = listItem.RoleAssignments;
//remove exisiting permissions one by one
for (int a = raCollection.Count - 1; a >= 0; a--)
{
raCollection.Remove(a);
}
for (int i = 1; i < userNameArray.Length; i++)
{
tempFieldValue = userNameArray[i].Replace("#", "");
userName = web.AllUsers[tempFieldValue];
toAddress = userName.Email;
SPSecurity.RunWithElevatedPrivileges(delegate()
{
//EMAIL USER
bool result = SPUtility.SendEmail(web, appendHtmlTag, htmlEncode, toAddress, subject, message);
//PERMISSIONS
//grant permissions for specific list item
SPRoleDefinition roleDefintion = web.RoleDefinitions.GetByType(SPRoleType.Contributor);
SPRoleAssignment roleAssignment = new SPRoleAssignment(userName);
roleAssignment.RoleDefinitionBindings.Add(roleDefintion);
listItem.RoleAssignments.Add(roleAssignment);
listItem.Update();
});
i++;
}
}
//base.ItemUpdated(properties);
//after final update has been done return true
properties.ListItem["updateContributors"] = "True";
}
}
private void ApplyPermissionForListItem(PermissionEntity pentity, SPListItem item)
{
try
{
SPSecurity.RunWithElevatedPrivileges(delegate()
{
SPUtility.ValidateFormDigest();
using (SPSite elevatedSite = new SPSite(item.ParentList.ParentWeb.Site.ID))
{
using (SPWeb elevatedWeb = elevatedSite.OpenWeb(item.ParentList.ParentWeb.ID))
{
elevatedWeb.AllowUnsafeUpdates = true;
SPList elevatedList = elevatedWeb.Lists[item.ParentList.Title];
SPListItem elevatedListItem = elevatedList.GetItemById(item.ID);
if (pentity.PermissionType == "Inherit")
{
elevatedListItem.ResetRoleInheritance();
}
else if (pentity.PermissionType == "Unique")
{
elevatedListItem.BreakRoleInheritance(false);
ClearPermissions(elevatedListItem);
foreach (RoleEntity rentity in pentity.Roles)
{
if (rentity.Type == RoleTypeEnum.SharePointGroup)
{
// Do not delete as parents may use it, DeleteGroup(list.ParentWeb, rentity.AssignmentName);
CreateGroup(elevatedListItem.ParentList.ParentWeb, rentity.AssignmentName, rentity.Owner);
AddUsersToGroup(elevatedListItem.ParentList.ParentWeb, rentity.AssignmentName, rentity.Users);
AssignPermissionLevels(elevatedListItem, rentity.AssignmentName, rentity.PermissionLevels);
}
else if ((rentity.Type == RoleTypeEnum.DomainGroup) ||
(rentity.Type == RoleTypeEnum.User))
{
AssignPermissionLevelsToNonSharePointGroup(elevatedListItem, rentity.AssignmentName, rentity.PermissionLevels);
}
}
}
}
}
});
}
catch (Exception ex)
{
SquadronContext.HandleException(ex);
}
}
public static void RemovePermissions(this SPListItem item, List <SPPrincipal> principalsToRemove)
{
foreach (SPPrincipal principal in principalsToRemove)
{
if (!item.HasUniqueRoleAssignments)
{
item.BreakRoleInheritance(true);
}
item.RoleAssignments.Remove(principal);
}
}
public static void ClearRights(SPWeb web, SPListItem item, bool deleteGuest)
{
bool allowUnsafeUpdates = web.AllowUnsafeUpdates;
web.AllowUnsafeUpdates = true;
item.BreakRoleInheritance(true);
web.AllowUnsafeUpdates = true;
SPRoleAssignmentCollection roleAssignments = item.RoleAssignments;
bool flag2 = false;
bool flag3 = false;
int iD = web.Site.SystemAccount.ID;
int num2 = (web.AssociatedOwnerGroup != null) ? web.AssociatedOwnerGroup.ID : -1;
for (int i = roleAssignments.Count - 1; i > -1; i--)
{
SPRoleAssignment assignment = roleAssignments[i];
int num4 = assignment.Member.ID;
if (num4 == iD)
{
flag3 = true;
}
else if (num4 == num2)
{
flag2 = true;
}
else if (deleteGuest)
{
roleAssignments.Remove(i);
}
else
{
assignment.RoleDefinitionBindings.RemoveAll();
assignment.Update();
}
}
web.AllowUnsafeUpdates = true;
SPRoleDefinition byType = web.RoleDefinitions.GetByType(SPRoleType.Administrator);
if (!flag3)
{
var roleAssignment = new SPRoleAssignment(web.Site.SystemAccount);
roleAssignment.RoleDefinitionBindings.Add(byType);
roleAssignments.Add(roleAssignment);
}
if (!(flag2 || (web.AssociatedOwnerGroup == null)))
{
var assignment3 = new SPRoleAssignment(web.AssociatedOwnerGroup);
assignment3.RoleDefinitionBindings.Add(byType);
roleAssignments.Add(assignment3);
}
web.AllowUnsafeUpdates = allowUnsafeUpdates;
}
public static SPFolder EnsurePersonalFolder(SPWeb site, string listWPpageurl, string username)
{
if (site == null)
{
throw new ArgumentException("site");
}
if (string.IsNullOrEmpty(listWPpageurl))
{
throw new ArgumentException("listWPpageurl");
}
if (string.IsNullOrEmpty(username))
{
throw new ArgumentException("username");
}
string personalFolderUrl = SPUtility.ConcatUrls(site.GetListFromWebPartPageUrl(listWPpageurl).RootFolder.ServerRelativeUrl, username);
SPFolder folder = site.GetFolder(personalFolderUrl);
if (folder.Item == null)
// its strange that for a non-existing folder, folder won't be null, but folder.Item will
{
folder = site.Folders.Add(personalFolderUrl);
}
SPListItem folderItem = folder.Item;
folderItem["Title"] = username;
if (folderItem.HasUniqueRoleAssignments)
{
folderItem.ResetRoleInheritance();
}
//if (!folderItem.HasUniqueRoleAssignments)
//TODO: permission level 的名称中英文
{
folderItem.BreakRoleInheritance(false);
SPRoleAssignment FullControlRoleAssignment = new SPRoleAssignment(site.AssociatedOwnerGroup);
FullControlRoleAssignment.RoleDefinitionBindings.Add(site.RoleDefinitions["完全控制"]);
folderItem.RoleAssignments.Add(FullControlRoleAssignment);
//SPRoleAssignment ReadRoleAssignment = new SPRoleAssignment(w.AssociatedVisitorGroup);
//ReadRoleAssignment.RoleDefinitionBindings.Add(w.RoleDefinitions["Read"]);
//folderItem.RoleAssignments.Add(ReadRoleAssignment);
SPRoleAssignment ownerRoleAssignment = new SPRoleAssignment(site.EnsureUser(string.Concat("i:0#.f|fbamember|", username)));
ownerRoleAssignment.RoleDefinitionBindings.Add(site.RoleDefinitions["参与讨论"]);
folderItem.RoleAssignments.Add(ownerRoleAssignment);
}
folderItem.Update();
return(folder);
}
private void RemoveAllPermisions(SPListItem currentListItem)
{
//The below function Breaks the role assignment inheritance for the list and gives the current list its own copy of the role assignments
currentListItem.BreakRoleInheritance(true);
//Get the list of Role Assignments to list item and remove one by one.
SPRoleAssignmentCollection SPRoleAssColn = currentListItem.RoleAssignments;
for (int i = SPRoleAssColn.Count - 1; i >= 0; i--)
{
SPRoleAssColn.Remove(i);
}
}
private void updateItemPermissions(SPItemEventProperties properties)
{
try
{
//temporarely disable item firing so that we do not end in the infinite loop 42:
this.EventFiringEnabled = false;
SPListItem item = properties.ListItem;
// now, get the same item with the elevated privileges
// we have to do it that way because we do not know which level of
// permissions the current user has
SPSecurity.RunWithElevatedPrivileges(delegate()
{
SPList parentList = item.ParentList;
SPSite elevatedSite = new SPSite(parentList.ParentWeb.Site.ID);
SPWeb elevatedWeb = elevatedSite.OpenWeb(parentList.ParentWeb.ID);
SPList elevatedList = elevatedWeb.Lists[parentList.ID];
// get the file with the privileged permissions
SPListItem elevatedItem = elevatedList.Items.GetItemById(properties.ListItem.ID);
// break item permissions inheritance and assign new permissions based on
//Wenn keine speziellen Berechtigungen auf dieses Item gesetzt sind (Vererbung) ...
if (!item.HasUniqueRoleAssignments)
{
//... durchbrechen wir die Vererbungshierarchie, ohne Berechtigungen zu kopieren
item.BreakRoleInheritance(false);
}
SPUser editor = elevatedWeb.EnsureUser((new SPFieldLookupValue(item["MyEditor"].ToString())).LookupValue);
SPUser author = elevatedWeb.EnsureUser((new SPFieldLookupValue(item["MyAuthor"].ToString())).LookupValue);
//Erzeugen von Rollendefinition, einmal Leser und einmal Schreibender
SPRoleDefinition RoleDefReader = elevatedWeb.RoleDefinitions.GetByType(SPRoleType.Reader);
SPRoleDefinition RoleDefWriter = elevatedWeb.RoleDefinitions.GetByType(SPRoleType.Contributor);
//Rollenzuweisung: Mitarbeiter bekommt Leserechte, Vorgesetzter und Personalabteilung Schreibrechte
SPRoleAssignment RoleAssReader = new SPRoleAssignment((SPPrincipal)editor);
SPRoleAssignment RoleAssWriter = new SPRoleAssignment((SPPrincipal)author);
//Rollenzuweisung dem ListItem hinzufügen
RoleAssReader.RoleDefinitionBindings.Add(RoleDefReader);
RoleAssWriter.RoleDefinitionBindings.Add(RoleDefWriter);
item.RoleAssignments.Add(RoleAssReader);
item.RoleAssignments.Add(RoleAssWriter);
item.Update();
});
//enable the event firing again
this.EventFiringEnabled = true;
}
catch (Exception ex)
{
}
}
protected void update_permission(SPItemEventProperties properties, SPUser user)
{
SPSecurity.RunWithElevatedPrivileges(delegate
{
using (SPSite site = new SPSite(properties.SiteId))
{
using (SPWeb web = site.OpenWeb("/admin"))
{
SPListItem item = web.Lists[properties.ListId].Items.GetItemById(properties.ListItemId);
item.BreakRoleInheritance(false);
try
{
// 清理旧权限。
int role_index = 0;
while (item.RoleAssignments.Count > 1)
{
SPRoleAssignment role = item.RoleAssignments[role_index];
if (role.Member.LoginName.ToLower() == "sharepoint\\system")
{
role_index++;
}
else
{
item.RoleAssignments.Remove(role_index);
}
}
}
catch (Exception ex)
{
log(site, "自动删除项目旧权限", "错误", ex.ToString());
}
// 分别为各个角色赋予此项目的独特权限：。
//if (item["_x8bf7__x5047__x5355__x5ba1__x62"]!=null)
//{
// string workflow_status = item["_x8bf7__x5047__x5355__x5ba1__x62"].ToString();
// if (workflow_status == "16"||workflow_status=="17")
// {
// Records.DeclareItemAsRecord(item);
// }
//}
//else
//{
assign_role(site, item, user, "", web.RoleDefinitions["参与讨论"]);
assign_roles(web, item, "相关经理", "", web.RoleDefinitions["批准"]);
//}
log(web.Site, "更新项目权限", "消息", "为项目【" + item["Title"] + "】更新权限完成。");
}
}
});
}
/// <summary>
/// Назначить права на элемент
/// </summary>
/// <param name="item">Элемент</param>
public void ApplyPermission(SPListItem item)
{
item.BreakRoleInheritance(true);
if (this.AuthorRoles.Any(x => x.Name.Equals(PortalConstant.Role.Seller, StringComparison.InvariantCulture) || x.Name.Equals(PortalConstant.Role.Responsible, StringComparison.InvariantCulture)))
{
item.AddPermission(this.Author, this.ElevatedWeb, PortalConstant.Role.Editor);
}
if (this.AuthorRoles.Any(x => x.Name.Equals(PortalConstant.Role.Lead, StringComparison.InvariantCulture)))
{
item.AddPermission(this.Author, this.ElevatedWeb, PortalConstant.Role.Archivator);
}
}
private void ResetItemInheritance(SPListItem listItem, bool makeInherit)
{
SPWeb elevatedWeb = null;
SPList elevatedList = null;
SPListItem elevatedListItem = null;
try
{
SPSecurity.RunWithElevatedPrivileges(delegate()
{
SPUtility.ValidateFormDigest();
using (SPSite elevatedSite = new SPSite(listItem.ParentList.ParentWeb.Site.ID))
{
using (elevatedWeb = elevatedSite.OpenWeb(listItem.ParentList.ParentWeb.ID))
{
elevatedWeb.AllowUnsafeUpdates = true;
elevatedList = elevatedWeb.Lists[listItem.ParentList.Title];
elevatedListItem = elevatedList.GetItemById(listItem.ID);
if (makeInherit)
{
elevatedListItem.ResetRoleInheritance();
}
else
{
elevatedListItem.BreakRoleInheritance(false);
}
elevatedListItem.Update();
elevatedWeb.AllowUnsafeUpdates = false;
}
}
});
}
catch (Exception ex)
{
SquadronContext.HandleException(ex);
}
finally
{
if (elevatedWeb != null)
{
elevatedWeb.Dispose();
}
}
}
/// <summary>
/// 已添加项.
/// </summary>
public override void ItemAdded(SPItemEventProperties properties)
{
base.ItemAdded(properties);
if (properties.ListTitle == "请假单审批任务")
{
Guid related_field_guid = new Guid("{58ddda52-c2a3-4650-9178-3bbc1f6e36da}");
string link = properties.ListItem[related_field_guid].ToString().Split(',')[0];
int id_index = link.IndexOf("ID=");
int id = int.Parse(link.Substring(id_index + 3));
SPListItem ask_leave_item = properties.OpenWeb().Lists["请假单"].GetItemById(id);
SPSecurity.RunWithElevatedPrivileges(delegate
{
using (SPSite site = new SPSite(properties.SiteId))
{
using (SPWeb web = site.OpenWeb("/admin"))
{
SPListItem item = web.Lists[properties.ListId].Items.GetItemById(properties.ListItemId);
item.BreakRoleInheritance(false);
try
{
// 清理旧权限。
int role_index = 0;
while (item.RoleAssignments.Count > 1)
{
SPRoleAssignment role = item.RoleAssignments[role_index];
if (role.Member.LoginName.ToLower() == "sharepoint\\system")
{
role_index++;
}
else
{
item.RoleAssignments.Remove(role_index);
}
}
foreach (SPRoleAssignment ra in ask_leave_item.RoleAssignments)
{
item.RoleAssignments.Add(ra);
}
}
catch (Exception ex)
{
log(site, "自动删除项目旧权限", "错误", ex.ToString());
}
// 分别为各个角色赋予此项目的独特权限：。
log(web.Site, "更新项目权限", "消息", "为项目【" + item["Title"] + "】更新权限完成。");
}
}
});
}
}
public static void RemovePermissions(this SPListItem item, string loginName)
{
if (!item.HasUniqueRoleAssignments)
{
item.BreakRoleInheritance(true);
}
SPPrincipal loginPrincipal = item.Web.Site.FindUserOrSiteGroup(loginName);
if (loginPrincipal != null)
{
item.RoleAssignments.Remove(loginPrincipal);
}
}
/// <summary>
/// Gives a user read access to a file in a SharePoint document library.
/// </summary>
///
/// <param name="loginName">The login name, e.g. "SlkLearner123".</param>
///
/// <param name="packageUrl">The URL of the file to give the user access to. This file must
/// exist within a SharePoint document library, and the current user (i.e. the user
/// running this program) must have sufficient permissions to grant the specified user
/// access to the file.</param>
///
static void GiveUserReadAccessToFile(string loginName, string packageUrl)
{
Stack <IDisposable> disposer = new Stack <IDisposable>();
try
{
// make <spListItem> refer to the file specified by <packageUrl>
SPSite packageSite = new SPSite(packageUrl);
disposer.Push(packageSite);
SPWeb packageWeb = packageSite.OpenWeb();
disposer.Push(packageWeb);
Uri packageUri = new Uri(packageUrl);
SPListItem spListItem = packageWeb.GetListItem(packageUri.AbsolutePath);
// make <spUser> refer to the user specified by <loginName>
SPUser spUser;
string domainName = String.Format(@"{0}\{1}", s_parentWeb.Site.HostName, loginName);
try
{
spUser = packageWeb.SiteUsers[domainName];
}
catch (SPException)
{
// if user doesn't exist on <packageWeb>, add them
packageWeb.SiteUsers.Add(domainName, String.Empty, String.Empty, String.Empty);
spUser = packageWeb.SiteUsers[domainName];
}
// if <spListItem> inherits permissions from its parent folder or document library,
// break that inheritance
if (!spListItem.HasUniqueRoleAssignments)
{
spListItem.BreakRoleInheritance(true);
}
// grant <spUser> read access to <spListItem>
SPRoleDefinition roleDefinition = packageWeb.RoleDefinitions["Read"];
SPRoleAssignment roleAssignment = new SPRoleAssignment(spUser);
roleAssignment.RoleDefinitionBindings.Add(roleDefinition);
spListItem.RoleAssignments.Add(roleAssignment);
}
finally
{
// dispose of objects used by this method
while (disposer.Count > 0)
{
disposer.Pop().Dispose();
}
}
}
private void SetPermissionsForAssistant(SPUserCodeWorkflowContext context, string assignedTo, string id, string sourceList)
{
using (SPSite site = new SPSite(context.CurrentWebUrl))
{
using (SPWeb web = site.OpenWeb())
{
SPList source = web.Lists[sourceList];
if (source != null)
{
if (!string.IsNullOrEmpty(assignedTo))
{
int itemId;
string username = string.Empty;
if (int.TryParse(id, out itemId))
{
SPListItem item = source.GetItemById(itemId);
if (item != null)
{
isUserAdded = false;
if (!item.HasUniqueRoleAssignments)
{
item.BreakRoleInheritance(true);
}
foreach (SPRoleAssignment assignment in item.RoleAssignments)
{
if (assignment.Member.LoginName == assignedTo && assignment.RoleDefinitionBindings.Contains(web.RoleDefinitions.GetByType(SPRoleType.Contributor)))
{
isUserAdded = true;
//res += "isUserAdded = true";
//debug += "isUserAdded = true";
}
}
SPPrincipal spPrincipal = GetPrincipal(site, assignedTo);
//res += "SPPrincipal: " + spPrincipal.Name;
//debug += "SPPrincipal: " + spPrincipal.Name;
if (spPrincipal != null)
{
UpdateItemPermissions(web, item, spPrincipal);
}
}
}
}
}
}
}
}
/// <summary>
/// An item was added.
/// </summary>
public override void ItemAdded(SPItemEventProperties properties)
{
try
{
SPList spList = properties.List;
if (spList.Title.Equals("MSA Schedule"))
{
SPFieldUrlValue spFieldURL = new SPFieldUrlValue();
spFieldURL.Url = "/sites/ffl/Pages/MSA.aspx?SID=" + properties.ListItemId;
spFieldURL.Description = "Please click here";
SPListItem spListItem = properties.ListItem;
spListItem["MSAFormLink"] = spFieldURL;
SPGroup spGroup = properties.Web.SiteGroups["HSE-FFL"];
SPRoleDefinition spRole = properties.Web.RoleDefinitions["Contribute"];
SPRoleAssignment roleAssignment = new SPRoleAssignment(spGroup);
roleAssignment.RoleDefinitionBindings.Add(spRole);
if (Convert.ToString(spListItem["FFLEmailAddress"]) != null)
{
SPUser spUSer = properties.Web.SiteUsers.GetByEmail(Convert.ToString(spListItem["FFLEmailAddress"]));
SPRoleDefinition spRole1 = properties.Web.RoleDefinitions["Read"];
SPRoleAssignment roleAssignment1 = new SPRoleAssignment(spUSer);
roleAssignment1.RoleDefinitionBindings.Add(spRole1);
spListItem.BreakRoleInheritance(false);
spListItem.RoleAssignments.Add(roleAssignment);
spListItem.RoleAssignments.Add(roleAssignment1);
}
spListItem.Update();
}
else
{
properties.Status = SPEventReceiverStatus.CancelNoError;
}
}
catch (Exception ex)
{
SPDiagnosticsService.Local.WriteTrace(0, new SPDiagnosticsCategory("MSAEventReceiver", TraceSeverity.Unexpected, EventSeverity.Error), TraceSeverity.Unexpected, ex.Message, ex.StackTrace);
}
finally
{
base.ItemAdded(properties);
}
}
private void SetTrainingCourseItemPermission(SPListItem tcItem)
{
tcItem.BreakRoleInheritance(false);
foreach (PickerEntity entity in peAttendees.ResolvedEntities) {
SPPrincipal principal = MOSSPrincipal.FindUserOrSiteGroup(entity.Key);
SPRoleAssignment roleAssignment = MOSSPermission.GetRoleAssignment(principal, SPRoleType.Reader);
tcItem.RoleAssignments.Add(roleAssignment);
}
SPPrincipal hrPrincipal = MOSSPrincipal.FindUserOrSiteGroup(AnalogicConstant.HR);
SPRoleAssignment hrAssign = MOSSPermission.GetRoleAssignment(hrPrincipal, SPRoleType.Contributor);
tcItem.RoleAssignments.Add(hrAssign);
}
public static void RemoveAllPermissions(this SPListItem item)
{
//remove all current permissions
if (!item.HasUniqueRoleAssignments)
{
item.BreakRoleInheritance(false);
}
else
{
while (item.RoleAssignments.Count > 0)
{
item.RoleAssignments.Remove(0);
}
}
}
private string SetListItemPermission(SPListItem Item, int userId, int PermissionID, bool ClearPreviousPermissions)
{
string strError = "";
string siteURL = Item.ParentList.ParentWeb.Url;
Guid listId = Item.ParentList.ID;
SPSecurity.RunWithElevatedPrivileges(delegate
{
using (SPSite site = new SPSite(siteURL))
{
using (SPWeb web = site.OpenWeb())
{
SPPrincipal byID;
Exception exception;
web.AllowUnsafeUpdates = true;
SPListItem itemById = web.Lists[listId].GetItemById(Item.ID);
if (!itemById.HasUniqueRoleAssignments)
{
itemById.BreakRoleInheritance(!ClearPreviousPermissions);
}
try
{
byID = web.SiteUsers.GetByID(userId);
}
catch (Exception exception1)
{
exception = exception1;
byID = web.SiteGroups.GetByID(userId);
}
SPRoleAssignment roleAssignment = new SPRoleAssignment(byID);
SPRoleDefinition roleDefinition = web.RoleDefinitions.GetById(PermissionID);
roleAssignment.RoleDefinitionBindings.Add(roleDefinition);
itemById.RoleAssignments.Remove(byID);
itemById.RoleAssignments.Add(roleAssignment);
try
{
itemById.SystemUpdate(false);
}
catch (Exception exception2)
{
exception = exception2;
strError = exception.Message;
}
}
}
});
return(strError);
}
private void ModifyItemPermissions(SPListItem listItem)
{
// Modifying the permissions for the list to restrict the students for direct list items operations
try
{
if (!listItem.HasUniqueRoleAssignments)
{
var web = listItem.ParentList.ParentWeb;
listItem.BreakRoleInheritance(false, false);
var group = web.SiteGroups[Utilities.FacultyGroupName];
var roleAssignment = new SPRoleAssignment(group);
var spRole = web.RoleDefinitions["Full Control"];
roleAssignment.RoleDefinitionBindings.Add(spRole);
listItem.RoleAssignments.Add(roleAssignment);
roleAssignment = new SPRoleAssignment(SPContext.Current.Web.CurrentUser);
spRole = web.RoleDefinitions["Read"];
roleAssignment.RoleDefinitionBindings.Add(spRole);
listItem.RoleAssignments.Add(roleAssignment);
listItem.Update();
}
}
catch (Exception ex)
{
SPDiagnosticsService.Local.WriteTrace(0, new SPDiagnosticsCategory("BethesdaSkillLab", TraceSeverity.Monitorable, EventSeverity.Error), TraceSeverity.Monitorable, ex.Message, new object[] { ex.StackTrace });
}
}
/// <summary>
/// 取消某个SPListItem从父节点继承的权限
/// </summary>
/// <param name="item"></param>
public static void BreakAndClearRoleInheritance(SPListItem item)
{
//item.ParentList.ParentWeb.AllowUnsafeUpdates = true;
SPWeb web = item.ParentList.ParentWeb;
web.AllowUnsafeUpdates = true ;
try
{
item.BreakRoleInheritance(true);
}
catch { }
web.AllowUnsafeUpdates = true;
int count_ra = item.RoleAssignments.Count;
// 如果某个RoleAssignment的Member为系统管理员, 则不要删除之
for (int index = count_ra - 1; index >= 0; index--)
if (item.RoleAssignments[index].Member.Name.ToLower() != "SHAREPOINT\\system".ToLower())
item.RoleAssignments.Remove(index);
}
/// <summary>
/// adds a specified role for a given user on a list item
/// </summary>
/// <param name="web">ref to SPWeb</param>
/// <param name="listItem">list item in question</param>
/// <param name="role">role to add for user e.g. Contribute, View or any custom permission level</param>
/// <param name="loginName">login name of user or sharepoint group</param>
/// <returns></returns>
internal static SPListItem SetItemPermissions(SPWeb web, SPListItem listItem, string role, string loginName)
{
if (!listItem.HasUniqueRoleAssignments)
{
listItem.BreakRoleInheritance(true);
}
SPRoleDefinition RoleDefinition = web.RoleDefinitions[role];
SPPrincipal myUser = FindUserOrSiteGroup(web.Site, loginName);
if (myUser == null)
{
throw new ArgumentException(string.Format("user:{0} is not a valid sharepoint user!"));
}
SPRoleAssignment RoleAssignment = new SPRoleAssignment(myUser);
RoleAssignment.RoleDefinitionBindings.Add(RoleDefinition);
listItem.RoleAssignments.Add(RoleAssignment);
return listItem;
}
/// <summary>
/// removes role assigments for principal, breaking inheritance if specified
/// </summary>
/// <param name="item"></param>
/// <param name="principal"></param>
/// <param name="breakRoleInheritance"></param>
internal static void RemoveListItemPermissionEntry(SPListItem item, string principalName, bool breakRoleInheritance)
{
List<int> usersToRemove = new List<int>();
if (!item.HasUniqueRoleAssignments && breakRoleInheritance)
item.BreakRoleInheritance(true);
else if (!item.HasUniqueRoleAssignments)
return;
SPPrincipal myPrincipal = FindUserOrSiteGroup(item.Web.Site, principalName);
foreach (SPRoleAssignment ra in item.RoleAssignments)
{
if (ra.Member.ID == myPrincipal.ID)
{
usersToRemove.Add(ra.Member.ID);
}
}
foreach (int id in usersToRemove)
{
item.RoleAssignments.RemoveById(id);
}
}
public static void AssignPermission(SPListItem Item, string LoginName, string UserEmail, string UserNote, string UserName, SPWeb Web)
{
Web.AllowUnsafeUpdates = true;
//Remove all existing RoleAssignments
for (int i = Item.RoleAssignments.Count - 1; i >= 0; i--)
{
Item.RoleAssignments.Remove(Item.RoleAssignments[i].Member);
}
SPRoleAssignment roleAssignment = new SPRoleAssignment(LoginName, UserEmail, UserName, UserNote);
SPRoleDefinition roleDefinition = Web.RoleDefinitions.GetByType(SPRoleType.Administrator);
roleAssignment.RoleDefinitionBindings.Add(roleDefinition);
if (!Item.HasUniqueRoleAssignments)
{
// Ensure we don't inherit permissions from parent
Item.BreakRoleInheritance(true);
}
Item.RoleAssignments.Add(roleAssignment);
Item.SystemUpdate(false);
Web.Update();
Web.AllowUnsafeUpdates = false;
}
/// <summary>
/// This method assigns user or group with read permission on the current item/file.
/// </summary>
/// <param name="Item">SPListItem</param>
/// <param name="Approver">string</param>
/// <param name="Web">SPWeb</param>
public static void AssignApproverReadPermission(SPListItem Item,SPUser Approver,SPWeb Web)
{
bool _roleAssignmentExist = false;
//Checking if role already exit for the current user or group.
foreach(SPRoleAssignment rs in Item.RoleAssignments)
{
if (rs.Member == Approver)
{
_roleAssignmentExist = true;
}
}
//Add user or group role assignment.
if (_roleAssignmentExist == false)
{
SPSecurity.RunWithElevatedPrivileges(delegate()
{
SPRoleAssignment roleAssignment = new SPRoleAssignment(Approver.LoginName, Approver.Email, Approver.Name, "Approver's file access permission.");
SPRoleDefinition roleDefinition = Web.RoleDefinitions.GetByType(SPRoleType.Administrator);
roleAssignment.RoleDefinitionBindings.Add(roleDefinition);
if (!Item.HasUniqueRoleAssignments)
{
// Ensure we don't inherit permissions from parent
Item.BreakRoleInheritance(true);
}
Item.Web.AllowUnsafeUpdates = true;
Item.RoleAssignments.Add(roleAssignment);
Item.SystemUpdate(false);
Item.Web.AllowUnsafeUpdates = false;
});
}
}
/// <summary>
/// This method marks the current Item as shared
/// </summary>
/// <param name="site">SPWeb</param>
/// <param name="item">SPListItem</param>
/// <param name="Shared">bool</param>
public static void ShareItem(SPWeb site, SPListItem item, bool Shared)
{
item.BreakRoleInheritance(true);
site.AllowUnsafeUpdates = true;
SPFieldUrlValue value = new SPFieldUrlValue();
//Remove all existing RoleAssignments
for (int i = item.RoleAssignments.Count - 1; i >= 0; i--)
{
item.RoleAssignments.Remove(item.RoleAssignments[i].Member);
}
if (Shared == true)
{
SPList siteList = site.Lists["Shared Documents"];
for (int i = siteList.RoleAssignments.Count - 1; i >= 0; i--)
{
item.RoleAssignments.Add(siteList.RoleAssignments[i]);
}
value.Description = "Shared";
value.Url = SPHelper.GetRootUrl(SPContext.Current.Web.Url) + "_layouts/IMAGES/sharedoc.gif";
}
else
{
value.Description = "Private";
value.Url = SPHelper.GetRootUrl(SPContext.Current.Web.Url) + "_layouts/IMAGES/bizdataactionicon.gif";
}
item["Access Level"] = value;
item.Update();
site.AllowUnsafeUpdates = false;
site.Update();
}
public static void CopyListItemRoleAssignments(SPListItem sourceListItem, SPListItem destinationListItem)
{
//First check if the Source List has Unique permissions
if (sourceListItem.HasUniqueRoleAssignments) {
//Break List permission inheritance first
destinationListItem.BreakRoleInheritance(true);
destinationListItem.Update();
//Remove current role assignemnts
while (destinationListItem.RoleAssignments.Count > 0) {
destinationListItem.RoleAssignments.Remove(0);
}
destinationListItem.Update();
//Copy Role Assignments from source to destination list.
foreach (SPRoleAssignment sourceRoleAsg in sourceListItem.RoleAssignments) {
SPRoleAssignment destinationRoleAsg = null;
//Get the source member object
SPPrincipal member = sourceRoleAsg.Member;
//Check if the member is a user
try {
SPUser sourceUser = (SPUser)member;
SPUser destinationUser = destinationListItem.ParentList.ParentWeb.AllUsers[sourceUser.LoginName];
if (destinationUser != null) {
destinationRoleAsg = new SPRoleAssignment(destinationUser);
}
}
catch { }
//Not a user, try check if the member is a Group
if (destinationRoleAsg == null) {
//Check if the member is a group
try {
SPGroup sourceGroup = (SPGroup)member;
SPGroup destinationGroup = destinationListItem.ParentList.ParentWeb.SiteGroups[sourceGroup.Name];
if (destinationGroup != null) {
destinationRoleAsg = new SPRoleAssignment(destinationGroup);
}
}
catch { }
}
//At this state we should have the role assignment established either by user or group
if (destinationRoleAsg != null) {
foreach (SPRoleDefinition sourceRoleDefinition in sourceRoleAsg.RoleDefinitionBindings) {
try { destinationRoleAsg.RoleDefinitionBindings.Add(destinationListItem.ParentList.ParentWeb.RoleDefinitions[sourceRoleDefinition.Name]); }
catch { }
}
if (destinationRoleAsg.RoleDefinitionBindings.Count > 0) {
//handle additon of an existing permission assignment error
try { destinationListItem.RoleAssignments.Add(destinationRoleAsg); }
catch (ArgumentException) { }
}
}
}
//Ensure item update metadata is not affected.
destinationListItem.SystemUpdate(false);
}
else
//No need to assign permissions
return;
}
/// <summary>
/// 为某个SPPrincipal赋于针对某个SPListItem的权限. 权限由rd来决定.
/// </summary>
/// <param name="item">某个需要赋于权限的SPListItem</param>
/// <param name="spPrincipalName">用户登录名称或者是MOSS User Group, 如果是EMail地址, 则略过</param>
/// <param name="rd">需要赋于的权限级别名称</param>
public static void AddRoleAssignmentToListItem(SPListItem item, string spPrincipalName, SPRoleDefinition rd)
{
// 表明这个LoginName是电子邮件地址类型:SmtpAddress
if (spPrincipalName.IndexOf("@") >= 0)
return;
SPRoleAssignment ra = null;
// 如果spPrincipalName里面包含\, 则表示是一个AccountId, 否则是一个SPGroup
if (spPrincipalName.IndexOf("\\") >= 0)
ra = new SPRoleAssignment(spPrincipalName, string.Empty, string.Empty, string.Empty);
else
{
try
{
SPGroup group = item.Web.Groups[spPrincipalName];
if (group != null)
{
ra = new SPRoleAssignment(group);
}
}
catch { }
}
if (ra == null)
return;
SPRoleDefinition rd_temp = null;
// 特别处理的地方：rd在创建并添加到Web.RoleDefinitions之后， 还不能直接使用rd这个变量，可能是复制了一个副本，然后再添加到Collection中去的，所以这里需要从Collection中查找副本， 然后再对其进行引用
// 不可以直接写为： ra.RoleDefinitionBindings.Add(rd) ; 会报错称不能使用Web中未定义的RD
// 这个问题的本质原因在于创建类RoleDefinition之后, 前面拿到的SPWeb不会同步更新, 重新打开SPWeb就可以解决问题
for (int index = 0; index < item.Web.RoleDefinitions.Count; index++)
if (item.Web.RoleDefinitions[index].Name.ToLower() == rd.Name.ToLower())
rd_temp = item.Web.Site.RootWeb.RoleDefinitions[index];
ra.RoleDefinitionBindings.Add(rd_temp);
item.BreakRoleInheritance(false);
item.RoleAssignments.Add(ra);
}
public static void UpdateGroupPermission(SPWeb web, bool isBreakRole, SPListItem item, string Group, string RoleDefinition)
{
web.AllowUnsafeUpdates = true;
if (isBreakRole)
{
item.ResetRoleInheritance();
item.Update();
if (!item.HasUniqueRoleAssignments)
item.BreakRoleInheritance(false);
}
SPRoleDefinition SPRoleDefinitionData = item.Web.RoleDefinitions[RoleDefinition];
string[] GroupSplit = Group.Split(';');
foreach (string i in GroupSplit)
{
SPGroup MembersGroup = item.Web.SiteGroups[i];
SPRoleAssignment MembersRoleAssignment = new SPRoleAssignment(MembersGroup);
MembersRoleAssignment.RoleDefinitionBindings.Add(SPRoleDefinitionData);
item.RoleAssignments.Add(MembersRoleAssignment);
}
item.Update();
}
public static void UpdateUserPermission(SPWeb web, bool isBreakRole, SPListItem item, string LoginName, string RoleDefinition)
{
web.AllowUnsafeUpdates = true;
if (isBreakRole)
{
item.ResetRoleInheritance();
item.Update();
if (!item.HasUniqueRoleAssignments)
item.BreakRoleInheritance(false);
}
SPRoleDefinition SPRoleDefinitionData = item.Web.RoleDefinitions[RoleDefinition];
string[] split = LoginName.Split(';');
foreach (string s in split)
{
SPRoleAssignment RoleAssignment = new SPRoleAssignment(s, string.Empty, string.Empty, string.Empty);
RoleAssignment.RoleDefinitionBindings.Add(SPRoleDefinitionData);
item.RoleAssignments.Add(RoleAssignment);
}
item.Update();
}