private void BindBoxes()
{
FileSystem fs = new FileSystem(Globals.CurrentIdentity);
//Get perms
CFilePermission.FilePermissionList perms = fs.GetPermissions(
fs.GetFile(FileID), Convert.ToInt32(ddlPrins.SelectedItem.Value));
chkRead.Checked = chkWrite.Checked = chkDelete.Checked = false;
foreach (CFilePermission perm in perms)
{
if (perm.Grant)
{
if (perm.Action == FileAction.READ)
{
chkRead.Checked = true;
}
if (perm.Action == FileAction.WRITE)
{
chkWrite.Checked = true;
}
if (perm.Action == FileAction.DELETE)
{
chkDelete.Checked = true;
}
}
}
}
/// <summary>
/// Private functionality to override admin security check
/// </summary>
private void SetPermissionsInt(CFile file, CFilePermission.FilePermissionList perms)
{
foreach (CFilePermission perm in perms)
{
m_dp.UpdateFilePermission(file, perm);
}
}
private int CommitTestSource(AutoEvaluation eval, IExternalSource zone)
{
FileSystem fs = new FileSystem(m_ident);
//Make sure toplevel zone directory exists
CFile zonedir = fs.GetFile(@"c:\zones");
if (null == zonedir)
{
zonedir = fs.CreateDirectory(@"c:\zones", true, null);
}
//Build file perms
CFilePermission.FilePermissionList perms = new CFilePermission.FilePermissionList();
CourseRole.CourseRoleList staff = new Courses(m_ident).GetTypedRoles(eval.CourseID, true, null);
foreach (CourseRole role in staff)
{
perms.AddRange(CFilePermission.CreateFullAccess(role.PrincipalID));
}
//Create zone directory
string zpath = @"c:\zones\" + eval.ID;
CFile ezonedir;
if (null == (ezonedir = fs.GetFile(zpath)))
{
ezonedir = fs.CreateDirectory(zpath, false, perms);
ezonedir.Alias = eval.Name; ezonedir.SpecType = CFile.SpecialType.TEST;
fs.UpdateFileInfo(ezonedir, false);
}
fs.ImportData(zpath, zone, false, true); //Import the data
return(ezonedir.ID);
}
/// <summary>
/// Set permissions for a given file
/// </summary>
public void SetPermissions(CFile file, CFilePermission perm)
{
CFilePermission.FilePermissionList perms = new CFilePermission.FilePermissionList();
perms.Add(perm);
SetPermissions(file, perms);
}
/// <summary>
/// Set permissions for a given file
/// </summary>
public void SetPermissions(CFile file, CFilePermission.FilePermissionList perms)
{
//Authorize
if (!Authorize(file, FileAction.ADMIN))
{
throw new FileOperationException("Permission denied for action: ADMIN");
}
SetPermissionsInt(file, perms);
}
/// <summary>
/// Create an assignment
/// </summary>
public int Create(int courseID, string creator, string desc, DateTime duedate)
{
//Check perm
Authorize(courseID, Permission.COURSE, "createasst", courseID, null);
Assignment asst = new Assignment();
asst.CourseID = courseID;
asst.Creator = creator;
asst.Description = desc;
asst.DueDate = duedate;
asst.Format = Assignment.DEFAULT_FORMAT;
//Create
m_dp.CreateAssignment(asst);
//Setup default permissions
CreatePermissions(asst.ID, courseID, Permission.ASSIGNMENT);
//Setup default file permissions
Courses courseda = new Courses(m_ident);
CFilePermission.FilePermissionList perms = new CFilePermission.FilePermissionList();
CourseRole.CourseRoleList staff = courseda.GetTypedRoles(courseID, true, null);
CourseRole.CourseRoleList stu = courseda.GetTypedRoles(courseID, false, null);
foreach (CourseRole role in staff)
{
perms.AddRange(CFilePermission.CreateFullAccess(role.PrincipalID));
}
foreach (CourseRole role in stu)
{
perms.Add(new CFilePermission(role.PrincipalID, FileAction.READ, true));
}
//Create content area
FileSystem fs = new FileSystem(m_ident);
CFile cdir = fs.CreateDirectory(@"c:\acontent\" + asst.ID, false, perms, false);
asst.ContentID = cdir.ID;
Update(asst);
//Log
Log("Created assignment: " + desc, asst.ID);
return(asst.ID);
}
private void cmdUpdate_Click(object sender, System.EventArgs e)
{
CFilePermission.FilePermissionList perms = new CFilePermission.FilePermissionList();
int principalID = Convert.ToInt32(ddlPrins.SelectedItem.Value);
perms.Add(new CFilePermission(principalID, FileAction.READ, chkRead.Checked));
perms.Add(new CFilePermission(principalID, FileAction.WRITE, chkWrite.Checked));
perms.Add(new CFilePermission(principalID, FileAction.DELETE, chkDelete.Checked));
FileSystem fs = new FileSystem(Globals.CurrentIdentity);
try {
fs.SetPermissions(fs.GetFile(FileID), perms);
} catch (CustomException er) {
PageError(er.Message);
}
BindBoxes();
}
/// <summary>
/// Get permissions for a given file
/// </summary>
public CFilePermission.FilePermissionList GetPermissions(CFile file, int principalID)
{
//Check perms
CFilePermission.FilePermissionList perms = new CFilePermission.FilePermissionList();
if (Authorize(principalID, file, FileAction.READ, null))
{
perms.Add(new CFilePermission(principalID, FileAction.READ, true));
}
if (Authorize(principalID, file, FileAction.WRITE, null))
{
perms.Add(new CFilePermission(principalID, FileAction.WRITE, true));
}
if (Authorize(principalID, file, FileAction.DELETE, null))
{
perms.Add(new CFilePermission(principalID, FileAction.DELETE, true));
}
return(perms);
}
/// <summary>
/// Load submission directory with new files, updates time
/// </summary>
public bool Update(Submission sub, IExternalSource files)
{
FileSystem fs = new FileSystem(m_ident);
bool markcmp, unmarkcmp, defunct;
//Get old sub
Components.Submission oldsub = GetInfo(sub.ID);
markcmp = (oldsub.Status == Components.Submission.UNGRADED &&
sub.Status == Components.Submission.GRADED);
unmarkcmp = (oldsub.Status == Components.Submission.GRADED &&
sub.Status == Components.Submission.UNGRADED);
defunct = (oldsub.Status != Components.Submission.DEFUNCT &&
sub.Status == Components.Submission.DEFUNCT);
//Make sure toplevel zone directory exists
CFile subdir = fs.GetFile(@"c:\subs");
if (null == subdir)
subdir = fs.CreateDirectory(@"c:\subs", true, null, false);
//Build file perms
CFilePermission.FilePermissionList perms = new CFilePermission.FilePermissionList();
int courseID = new Assignments(m_ident).GetInfo(sub.AsstID).CourseID;
CourseRole.CourseRoleList staff = new Courses(m_ident).GetTypedRoles(courseID, true, null);
foreach (CourseRole role in staff)
perms.AddRange(CFilePermission.CreateFullAccess(role.PrincipalID));
perms.AddRange(CFilePermission.CreateOprFullAccess(sub.PrincipalID));
//Create zone directory
CFile esubdir;
string zpath = @"c:\subs\" + sub.ID;
if (null == (esubdir = fs.GetFile(zpath))) {
esubdir = fs.CreateDirectory(zpath, false, perms, false);
esubdir.SpecType = CFile.SpecialType.SUBMISSION;
string name = new Principals(m_ident).GetInfo(sub.PrincipalID).Name;
esubdir.Alias = String.Format("{0}: {1}",
name, GetNextSubmission(sub.AsstID, sub.PrincipalID));
fs.UpdateFileInfo(esubdir, false);
}
//Update sub entry
sub.LocationID = esubdir.ID;
m_dp.UpdateSubmission(sub);
//Load files
try {
fs.ImportData(zpath, files, false, false); //Import the data
} catch (Exception) {
throw new DataAccessException("Invalid external file source. This means the system does " +
"not understand how to extract files from the source. Please create a valid source");
}
//Verify submission structure
VerifyFormat(sub.AsstID, zpath);
//Log
if (markcmp)
Log("User [" + m_ident.Name + "] marked submission " + esubdir.Alias + " completed", sub.ID);
else if (unmarkcmp)
Log("User [" + m_ident.Name + "] marked submission " + esubdir.Alias + " incomplete", sub.ID);
else if (defunct)
Log("User [" + m_ident.Name + "] marked submission " + esubdir.Alias + " defunct", sub.ID);
return true;
}
/// <summary>
/// Create an assignment
/// </summary>
public int Create(int courseID, string creator, string desc, DateTime duedate)
{
//Check perm
Authorize(courseID, Permission.COURSE, "createasst", courseID, null);
Assignment asst = new Assignment();
asst.CourseID = courseID;
asst.Creator = creator;
asst.Description = desc;
asst.DueDate = duedate;
asst.Format = Assignment.DEFAULT_FORMAT;
//Create
m_dp.CreateAssignment(asst);
//Setup default permissions
CreatePermissions(asst.ID, courseID, Permission.ASSIGNMENT);
//Setup default file permissions
Courses courseda = new Courses(m_ident);
CFilePermission.FilePermissionList perms = new CFilePermission.FilePermissionList();
CourseRole.CourseRoleList staff = courseda.GetTypedRoles(courseID, true, null);
CourseRole.CourseRoleList stu = courseda.GetTypedRoles(courseID, false, null);
foreach (CourseRole role in staff)
perms.AddRange(CFilePermission.CreateFullAccess(role.PrincipalID));
foreach (CourseRole role in stu)
perms.Add(new CFilePermission(role.PrincipalID, FileAction.READ, true));
//Create content area
FileSystem fs = new FileSystem(m_ident);
CFile cdir = fs.CreateDirectory(@"c:\acontent\" + asst.ID, false, perms, false);
asst.ContentID = cdir.ID;
Update(asst);
//Log
Log("Created assignment: " + desc, asst.ID);
return asst.ID;
}
/// <summary>
/// Create the course
/// </summary>
public bool Create(string name, string number, string instructor)
{
Course course = new Course();
//TODO: Verify these values
course.Name = name;
course.Number = number;
//Create course
m_dp.CreateCourse(course);
//Get all data
course = GetInfo(course.ID);
//Define default roles
CourseRole role = new CourseRole();
role.CourseID = course.ID;
role.Name = "Student"; role.Staff = false;
m_dp.CreateCourseRole(role);
role.Name = "TA"; role.Staff = true;
m_dp.CreateCourseRole(role);
role.Name = "Instructor"; role.Staff = true;
m_dp.CreateCourseRole(role);
//Assign filesys permissions
CourseRole student = GetRoleInfo("Student", course.ID);
CourseRole ta = GetRoleInfo("TA", course.ID);
CourseRole ins = GetRoleInfo("Instructor", course.ID);
CFilePermission.FilePermissionList full = new CFilePermission.FilePermissionList();
full.AddRange(CFilePermission.CreateFullAccess(ta.PrincipalID));
full.AddRange(CFilePermission.CreateFullAccess(ins.PrincipalID));
full.Add(new CFilePermission(student.PrincipalID, FileAction.READ, true));
//Create content area
FileSystem fs = new FileSystem(m_ident);
string cpath = @"c:\ccontent\" + course.ID;
CFile cdir = fs.CreateDirectory(cpath, false, full);
course.ContentID = cdir.ID;
Update(course);
CFile ldir = fs.CreateDirectory(cpath + @"\" + "lnotes", false, null);
ldir.Alias = "Lecture Notes"; fs.UpdateFileInfo(ldir, false);
//Put operator in course temporarily
m_dp.CreateCourseMember(m_ident.Name, course.ID, "Instructor", null);
//Assign course perms
CreatePermissions(course.ID, course.ID, Permission.COURSE);
if (instructor != m_ident.Name)
{
//Add instructor
AddUser(instructor, "Instructor", course.ID, null);
//Take operator out
RemoveUser(m_ident.Name, course.ID);
}
return(true);
}
/// <summary>
/// Load submission directory with new files, updates time
/// </summary>
public bool Update(Submission sub, IExternalSource files)
{
FileSystem fs = new FileSystem(m_ident);
bool markcmp, unmarkcmp, defunct;
//Get old sub
Components.Submission oldsub = GetInfo(sub.ID);
markcmp = (oldsub.Status == Components.Submission.UNGRADED &&
sub.Status == Components.Submission.GRADED);
unmarkcmp = (oldsub.Status == Components.Submission.GRADED &&
sub.Status == Components.Submission.UNGRADED);
defunct = (oldsub.Status != Components.Submission.DEFUNCT &&
sub.Status == Components.Submission.DEFUNCT);
//Make sure toplevel zone directory exists
CFile subdir = fs.GetFile(@"c:\subs");
if (null == subdir)
{
subdir = fs.CreateDirectory(@"c:\subs", true, null, false);
}
//Build file perms
CFilePermission.FilePermissionList perms = new CFilePermission.FilePermissionList();
int courseID = new Assignments(m_ident).GetInfo(sub.AsstID).CourseID;
CourseRole.CourseRoleList staff = new Courses(m_ident).GetTypedRoles(courseID, true, null);
foreach (CourseRole role in staff)
{
perms.AddRange(CFilePermission.CreateFullAccess(role.PrincipalID));
}
perms.AddRange(CFilePermission.CreateOprFullAccess(sub.PrincipalID));
//Create zone directory
CFile esubdir;
string zpath = @"c:\subs\" + sub.ID;
if (null == (esubdir = fs.GetFile(zpath)))
{
esubdir = fs.CreateDirectory(zpath, false, perms, false);
esubdir.SpecType = CFile.SpecialType.SUBMISSION;
string name = new Principals(m_ident).GetInfo(sub.PrincipalID).Name;
esubdir.Alias = String.Format("{0}: {1}",
name, GetNextSubmission(sub.AsstID, sub.PrincipalID));
fs.UpdateFileInfo(esubdir, false);
}
//Update sub entry
sub.LocationID = esubdir.ID;
m_dp.UpdateSubmission(sub);
//Load files
try {
fs.ImportData(zpath, files, false, false); //Import the data
} catch (Exception) {
throw new DataAccessException("Invalid external file source. This means the system does " +
"not understand how to extract files from the source. Please create a valid source");
}
//Verify submission structure
VerifyFormat(sub.AsstID, zpath);
//Log
if (markcmp)
{
Log("User [" + m_ident.Name + "] marked submission " + esubdir.Alias + " completed", sub.ID);
}
else if (unmarkcmp)
{
Log("User [" + m_ident.Name + "] marked submission " + esubdir.Alias + " incomplete", sub.ID);
}
else if (defunct)
{
Log("User [" + m_ident.Name + "] marked submission " + esubdir.Alias + " defunct", sub.ID);
}
return(true);
}
/// <summary>
/// Create a new directory
/// </summary>
public CFile CreateDirectory(string fullpath, bool ronly, CFilePermission.FilePermissionList perms, bool modupdate)
{
CFile file = new CFile();
fullpath = PurifyPath(fullpath);
string dirname = Path.GetDirectoryName(fullpath);
if (dirname == null || dirname.Length == 0)
{
file.Path = fullpath;
}
else
{
file.Path = dirname;
}
string filename = Path.GetFileName(fullpath);
if (filename == null || filename.Length == 0)
{
file.Name = fullpath;
}
else
{
file.Name = filename;
}
file.Type = CFile.FileType.DIRECTORY;
file.ReadOnly = ronly;
//Check name
if (!ValidateFileName(file.Name))
{
throw new FileOperationException("Invalid file name: " + file.Name);
}
//Check to see if a file exists here
if (GetFile(file.FullPath) != null)
{
throw new FileExistsException("Create file failed: Directory already exists");
}
//Check to make sure parent exists
CFile par = GetFile(file.Path);
if (par == null && file.Path != @"c:\")
{
CreateDirectory(file.Path, ronly, null, modupdate);
}
m_dp.CreateFile(file);
if (perms != null)
{
SetPermissionsInt(file, perms);
}
//Get parent and update times
par = GetParent(file);
if (modupdate && par != null && par.FullPath != @"c:\")
{
PercolateModified(par, DateTime.Now);
}
return(file);
}
private int CommitTestSource(AutoEvaluation eval, IExternalSource zone)
{
FileSystem fs = new FileSystem(m_ident);
//Make sure toplevel zone directory exists
CFile zonedir = fs.GetFile(@"c:\zones");
if (null == zonedir)
zonedir = fs.CreateDirectory(@"c:\zones", true, null);
//Build file perms
CFilePermission.FilePermissionList perms = new CFilePermission.FilePermissionList();
CourseRole.CourseRoleList staff = new Courses(m_ident).GetTypedRoles(eval.CourseID, true, null);
foreach (CourseRole role in staff)
perms.AddRange(CFilePermission.CreateFullAccess(role.PrincipalID));
//Create zone directory
string zpath = @"c:\zones\" + eval.ID;
CFile ezonedir;
if (null == (ezonedir = fs.GetFile(zpath))) {
ezonedir = fs.CreateDirectory(zpath, false, perms);
ezonedir.Alias = eval.Name; ezonedir.SpecType = CFile.SpecialType.TEST;
fs.UpdateFileInfo(ezonedir, false);
}
fs.ImportData(zpath, zone, false, true); //Import the data
return ezonedir.ID;
}
/// <summary>
/// Recreate the file permissions table
/// </summary>
public void RecoverBaseFilePermissions()
{
//Get all submissions
Components.Submission.SubmissionList subs = new Submissions(m_ident).GetAll();
Assignments asstda = new Assignments(m_ident);
Courses courseda = new Courses(m_ident);
CFilePermission.FilePermissionList full;
foreach (Components.Submission sub in subs)
{
CFile subdir = GetFile(sub.LocationID);
int courseID = asstda.GetInfo(sub.AsstID).CourseID;
//Give staff access
CourseRole.CourseRoleList staff = courseda.GetTypedRoles(courseID, true, null);
foreach (CourseRole role in staff)
{
full = CFilePermission.CreateFullAccess(role.PrincipalID);
SetPermissionsInt(subdir, full);
}
//Give sub principal access
full = CFilePermission.CreateOprFullAccess(sub.PrincipalID);
SetPermissionsInt(subdir, full);
}
//Do content
Course.CourseList courses = courseda.GetAll();
foreach (Course course in courses)
{
CFile cont = GetFile(course.ContentID);
//Give staff access
CourseRole.CourseRoleList staff = courseda.GetTypedRoles(course.ID, true, null);
foreach (CourseRole role in staff)
{
full = CFilePermission.CreateFullAccess(role.PrincipalID);
SetPermissionsInt(cont, full);
}
//Give students read access
CourseRole.CourseRoleList stu = courseda.GetTypedRoles(course.ID, false, null);
foreach (CourseRole role in stu)
{
full = new CFilePermission.FilePermissionList();
full.Add(new CFilePermission(role.PrincipalID, FileAction.READ, true));
SetPermissionsInt(cont, full);
}
//Give staff and stuaccess to asst content
Assignment.AssignmentList assts = courseda.GetAssignments(course.ID);
foreach (Assignment asst in assts)
{
CFile acont = GetFile(asst.ContentID);
foreach (CourseRole role in staff)
{
full = CFilePermission.CreateFullAccess(role.PrincipalID);
SetPermissionsInt(acont, full);
}
foreach (CourseRole role in stu)
{
full = new CFilePermission.FilePermissionList();
full.Add(new CFilePermission(role.PrincipalID, FileAction.READ, true));
SetPermissionsInt(acont, full);
}
}
}
}
/// <summary>
/// Create the course
/// </summary>
public bool Create(string name, string number, string instructor)
{
Course course = new Course();
//TODO: Verify these values
course.Name = name;
course.Number = number;
//Create course
m_dp.CreateCourse(course);
//Get all data
course = GetInfo(course.ID);
//Define default roles
CourseRole role = new CourseRole();
role.CourseID = course.ID;
role.Name = "Student"; role.Staff = false;
m_dp.CreateCourseRole(role);
role.Name = "TA"; role.Staff = true;
m_dp.CreateCourseRole(role);
role.Name = "Instructor"; role.Staff = true;
m_dp.CreateCourseRole(role);
//Assign filesys permissions
CourseRole student = GetRoleInfo("Student", course.ID);
CourseRole ta = GetRoleInfo("TA", course.ID);
CourseRole ins = GetRoleInfo("Instructor", course.ID);
CFilePermission.FilePermissionList full = new CFilePermission.FilePermissionList();
full.AddRange(CFilePermission.CreateFullAccess(ta.PrincipalID));
full.AddRange(CFilePermission.CreateFullAccess(ins.PrincipalID));
full.Add(new CFilePermission(student.PrincipalID, FileAction.READ, true));
//Create content area
FileSystem fs = new FileSystem(m_ident);
string cpath = @"c:\ccontent\" + course.ID;
CFile cdir = fs.CreateDirectory(cpath, false, full);
course.ContentID = cdir.ID;
Update(course);
CFile ldir = fs.CreateDirectory(cpath + @"\" + "lnotes", false, null);
ldir.Alias = "Lecture Notes"; fs.UpdateFileInfo(ldir, false);
//Put operator in course temporarily
m_dp.CreateCourseMember(m_ident.Name, course.ID, "Instructor", null);
//Assign course perms
CreatePermissions(course.ID, course.ID, Permission.COURSE);
if (instructor != m_ident.Name) {
//Add instructor
AddUser(instructor, "Instructor", course.ID, null);
//Take operator out
RemoveUser(m_ident.Name, course.ID);
}
return true;
}
private void cmdUpdate_Click(object sender, System.EventArgs e)
{
CFilePermission.FilePermissionList perms = new CFilePermission.FilePermissionList();
int principalID = Convert.ToInt32(ddlPrins.SelectedItem.Value);
perms.Add(new CFilePermission(principalID, FileAction.READ, chkRead.Checked));
perms.Add(new CFilePermission(principalID, FileAction.WRITE, chkWrite.Checked));
perms.Add(new CFilePermission(principalID, FileAction.DELETE, chkDelete.Checked));
FileSystem fs = new FileSystem(Globals.CurrentIdentity);
try {
fs.SetPermissions(fs.GetFile(FileID), perms);
} catch (CustomException er) {
PageError(er.Message);
}
BindBoxes();
}
/// <summary>
/// Create a new directory
/// </summary>
public CFile CreateDirectory(string fullpath, bool ronly, CFilePermission.FilePermissionList perms)
{
return(CreateDirectory(fullpath, ronly, perms, true));
}
