Update project permissions without having to log out and back in

Backend.Tests/Mocks/UserRoleRepositoryMock.cs

@@ -27,7 +27,8 @@ public Task<List<UserRole>> GetAllUserRoles(string projectId)
         {
             try
             {
-                var foundUserRole = _userRoles.Single(userRole => userRole.Id == userRoleId);
+                var foundUserRole = _userRoles.Single(
+                    userRole => userRole.ProjectId == projectId && userRole.Id == userRoleId);
                 return Task.FromResult<UserRole?>(foundUserRole.Clone());
             }
             catch (InvalidOperationException)

Backend.Tests/Services/PermissionServiceTests.cs

@@ -14,9 +14,9 @@ public class PermissionServiceTests
         private IUserRepository _userRepo = null!;
         private IUserRoleRepository _userRoleRepo = null!;
         private IPermissionService _permService = null!;
-        private const string UserId = "mock-user-id";
+        private const string ProjId = "mock-proj-id";
 
-        private HttpContext createHttpContextWithUser(User user)
+        private HttpContext CreateHttpContextWithUser(User user)
         {
             var longEnoughString = "12345678901234567890123456789012";
             Environment.SetEnvironmentVariable("COMBINE_JWT_SECRET_KEY", longEnoughString);
@@ -46,54 +46,112 @@ public void MakeJwtTestReturnsUser()
         [Test]
         public void GetUserIdTestReturnsNonemptyId()
         {
-            Assert.That(String.IsNullOrEmpty(_permService.GetUserId(createHttpContextWithUser(new User()))), Is.False);
+            Assert.That(String.IsNullOrEmpty(_permService.GetUserId(CreateHttpContextWithUser(new User()))), Is.False);
         }
 
         [Test]
         public void IsUserIdAuthorizedTestFalse()
         {
-            Assert.That(_permService.IsUserIdAuthorized(createHttpContextWithUser(new User()), "other-id"), Is.False);
+            Assert.That(_permService.IsUserIdAuthorized(CreateHttpContextWithUser(new User()), "other-id"), Is.False);
         }
 
         [Test]
         public void IsUserIdAuthorizedTestTrue()
         {
-            var httpContext = createHttpContextWithUser(new User());
+            var httpContext = CreateHttpContextWithUser(new User());
             var userId = _userRepo.GetAllUsers().Result.First().Id;
             Assert.That(_permService.IsUserIdAuthorized(httpContext, userId), Is.True);
         }
 
         [Test]
         public void IsCurrentUserAuthorizedTestTrue()
         {
-            Assert.That(_permService.IsCurrentUserAuthorized(createHttpContextWithUser(new User())), Is.True);
+            Assert.That(_permService.IsCurrentUserAuthorized(CreateHttpContextWithUser(new User())), Is.True);
         }
 
         [Test]
         public void IsSiteAdminTestFalse()
         {
-            Assert.That(_permService.IsSiteAdmin(createHttpContextWithUser(new User())).Result, Is.False);
+            Assert.That(_permService.IsSiteAdmin(CreateHttpContextWithUser(new User())).Result, Is.False);
         }
 
         [Test]
         public void IsSiteAdminTestTrue()
         {
-            var httpContext = createHttpContextWithUser(new User { IsAdmin = true });
+            var httpContext = CreateHttpContextWithUser(new User { IsAdmin = true });
             Assert.That(_permService.IsSiteAdmin(httpContext).Result, Is.True);
         }
 
         [Test]
         public void HasProjectPermissionTestAdmin()
         {
-            var httpContext = createHttpContextWithUser(new User { IsAdmin = true });
-            Assert.That(_permService.HasProjectPermission(httpContext, Permission.Archive, "ProjId").Result, Is.True);
+            var httpContext = CreateHttpContextWithUser(new User { IsAdmin = true });
+            Assert.That(_permService.HasProjectPermission(httpContext, Permission.Archive, ProjId).Result, Is.True);
+        }
+
+        [Test]
+        public void HasProjectPermissionTestNoProjectRole()
+        {
+            var httpContext = CreateHttpContextWithUser(new User());
+            Assert.That(_permService.HasProjectPermission(httpContext, Permission.WordEntry, ProjId).Result, Is.False);
+        }
+
+        [Test]
+        public void HasProjectPermissionTestProjectPermFalse()
+        {
+            var user = new User();
+            var httpContext = CreateHttpContextWithUser(user);
+            var userRole = _userRoleRepo.Create(new UserRole { ProjectId = ProjId, Role = Role.Harvester }).Result;
+            user.ProjectRoles[ProjId] = userRole.Id;
+            _ = _userRepo.Update(user.Id, user).Result;
+            Assert.That(_permService.HasProjectPermission(httpContext, Permission.Import, ProjId).Result, Is.False);
+        }
+
+        [Test]
+        public void HasProjectPermissionTestProjectPermTrue()
+        {
+            var user = new User();
+            var httpContext = CreateHttpContextWithUser(user);
+            var userRole = _userRoleRepo.Create(new UserRole { ProjectId = ProjId, Role = Role.Owner }).Result;
+            user.ProjectRoles[ProjId] = userRole.Id;
+            _ = _userRepo.Update(user.Id, user).Result;
+            Assert.That(_permService.HasProjectPermission(httpContext, Permission.Import, ProjId).Result, Is.True);
         }
 
         [Test]
         public void ContainsProjectRoleTestAdmin()
         {
-            var httpContext = createHttpContextWithUser(new User { IsAdmin = true });
-            Assert.That(_permService.ContainsProjectRole(httpContext, Role.Owner, "project-id").Result, Is.True);
+            var httpContext = CreateHttpContextWithUser(new User { IsAdmin = true });
+            Assert.That(_permService.ContainsProjectRole(httpContext, Role.Owner, ProjId).Result, Is.True);
+        }
+
+        [Test]
+        public void ContainsProjectRoleTestNoProjectRole()
+        {
+            var httpContext = CreateHttpContextWithUser(new User());
+            Assert.That(_permService.ContainsProjectRole(httpContext, Role.Harvester, ProjId).Result, Is.False);
+        }
+
+        [Test]
+        public void ContainsProjectRoleTestProjectRoleFalse()
+        {
+            var user = new User();
+            var httpContext = CreateHttpContextWithUser(user);
+            var userRole = _userRoleRepo.Create(new UserRole { ProjectId = ProjId, Role = Role.Harvester }).Result;
+            user.ProjectRoles[ProjId] = userRole.Id;
+            _ = _userRepo.Update(user.Id, user).Result;
+            Assert.That(_permService.ContainsProjectRole(httpContext, Role.Editor, ProjId).Result, Is.False);
+        }
+
+        [Test]
+        public void ContainsProjectRoleTestProjectRoleTrue()
+        {
+            var user = new User();
+            var httpContext = CreateHttpContextWithUser(user);
+            var userRole = _userRoleRepo.Create(new UserRole { ProjectId = ProjId, Role = Role.Owner }).Result;
+            user.ProjectRoles[ProjId] = userRole.Id;
+            _ = _userRepo.Update(user.Id, user).Result;
+            Assert.That(_permService.ContainsProjectRole(httpContext, Role.Harvester, ProjId).Result, Is.True);
         }
     }
 }

Backend/Models/UserRole.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
+using System.Linq;
 using MongoDB.Bson;
 using MongoDB.Bson.Serialization.Attributes;
 
@@ -108,6 +109,12 @@ public override int GetHashCode()
             return HashCode.Combine(ProjectId, Role);
         }
 
+        public static bool RoleContainsRole(Role roleA, Role roleB)
+        {
+            var permsA = RolePermissions(roleA);
+            return RolePermissions(roleB).All(perm => permsA.Contains(perm));
+        }
+
         public static List<Permission> RolePermissions(Role role)
         {
             return role switch

Backend/Services/PermissionService.cs

@@ -1,18 +1,14 @@
 using System;
-using System.Collections.Generic;
 using System.IdentityModel.Tokens.Jwt;
-using System.Linq;
 using System.Runtime.Serialization;
 using System.Security.Claims;
 using System.Text;
-using System.Text.Json;
 using System.Threading.Tasks;
 using BackendFramework.Helper;
 using BackendFramework.Interfaces;
 using BackendFramework.Models;
 using Microsoft.AspNetCore.Http;
 using Microsoft.IdentityModel.Tokens;
-using MongoDB.Bson;
 
 namespace BackendFramework.Services
 {
@@ -21,16 +17,13 @@ public class PermissionService : IPermissionService
         private readonly IUserRepository _userRepo;
         private readonly IUserRoleRepository _userRoleRepo;
 
-        // TODO: This appears intrinsic to mongodb implementation and is brittle.
-        private const int ProjIdLength = 24;
-        private const string ProjPath = "projects/";
-
         public PermissionService(IUserRepository userRepo, IUserRoleRepository userRoleRepo)
         {
             _userRepo = userRepo;
             _userRoleRepo = userRoleRepo;
         }
 
+        /// <summary> Extracts the JWT token from the given HTTP context. </summary>
         private static SecurityToken GetJwt(HttpContext request)
         {
             // Get authorization header (i.e. JWT token)
@@ -46,46 +39,28 @@ private static SecurityToken GetJwt(HttpContext request)
             return jsonToken;
         }
 
+        /// <summary> Checks whether the given user is authorized. </summary>
         public bool IsUserIdAuthorized(HttpContext request, string userId)
         {
             var currentUserId = GetUserId(request);
             return userId == currentUserId;
         }
 
-        /// <summary>
-        /// Checks whether the current user is authorized.
-        /// </summary>
+        /// <summary> Checks whether the current user is authorized. </summary>
         public bool IsCurrentUserAuthorized(HttpContext request)
         {
             var userId = GetUserId(request);
             return IsUserIdAuthorized(request, userId);
         }
 
-        private static List<ProjectPermissions> GetProjectPermissions(HttpContext request)
-        {
-            var jsonToken = GetJwt(request);
-            var userRoleInfo = ((JwtSecurityToken)jsonToken).Payload["UserRoleInfo"].ToString();
-            // If unable to parse permissions, return empty permissions.
-            if (userRoleInfo is null)
-            {
-                return new List<ProjectPermissions>();
-            }
-
-            var permissions = JsonSerializer.Deserialize<List<ProjectPermissions>>(userRoleInfo);
-            return permissions ?? new List<ProjectPermissions>();
-        }
-
+        /// <summary> Checks whether the current user is a site admin. </summary>
         public async Task<bool> IsSiteAdmin(HttpContext request)
         {
-            var userId = GetUserId(request);
-            var user = await _userRepo.GetUser(userId);
-            if (user is null)
-            {
-                return false;
-            }
-            return user.IsAdmin;
+            var user = await _userRepo.GetUser(GetUserId(request));
+            return user is not null && user.IsAdmin;
         }
 
+        /// <summary> Checks whether the current user has the given project permission. </summary>
         public async Task<bool> HasProjectPermission(HttpContext request, Permission permission, string projectId)
         {
             var user = await _userRepo.GetUser(GetUserId(request));
@@ -100,10 +75,22 @@ public async Task<bool> HasProjectPermission(HttpContext request, Permission per
                 return true;
             }
 
-            return GetProjectPermissions(request).Any(
-                p => p.ProjectId == projectId && p.Permissions.Contains(permission));
+            user.ProjectRoles.TryGetValue(projectId, out var userRoleId);
+            if (userRoleId is null)
+            {
+                return false;
+            }
+
+            var userRole = await _userRoleRepo.GetUserRole(projectId, userRoleId);
+            if (userRole is null)
+            {
+                return false;
+            }
+
+            return ProjectRole.RolePermissions(userRole.Role).Contains(permission);
         }
 
+        /// <summary> Checks whether the current user has all permissions of the given project role. </summary>
         public async Task<bool> ContainsProjectRole(HttpContext request, Role role, string projectId)
         {
             var user = await _userRepo.GetUser(GetUserId(request));
@@ -118,21 +105,23 @@ public async Task<bool> ContainsProjectRole(HttpContext request, Role role, stri
                 return true;
             }
 
-            // Retrieve JWT token from HTTP request and convert to object
-            var projectPermissionsList = GetProjectPermissions(request);
+            user.ProjectRoles.TryGetValue(projectId, out var userRoleId);
+            if (userRoleId is null)
+            {
+                return false;
+            }
 
-            // Assert that the user has all permissions in the specified role
-            foreach (var projPermissions in projectPermissionsList)
+            var userRole = await _userRoleRepo.GetUserRole(projectId, userRoleId);
+            if (userRole is null)
             {
-                if (projPermissions.ProjectId != projectId)
-                {
-                    continue;
-                }
-                return ProjectRole.RolePermissions(role).All(p => projPermissions.Permissions.Contains(p));
+                return false;
             }
-            return false;
+
+            return ProjectRole.RoleContainsRole(userRole.Role, role);
         }
 
+        /// <summary> Checks whether the given project user edit is a mismatch with the current user. </summary>
+        /// <returns> bool: true if a the userEditIds don't match. </returns>
         public async Task<bool> IsViolationEdit(HttpContext request, string userEditId, string projectId)
         {
             var userId = GetUserId(request);
@@ -179,41 +168,18 @@ public string GetUserId(HttpContext request)
             return PasswordHash.ValidatePassword(hashedPassword, password) ? await MakeJwt(user) : null;
         }
 
+        /// <summary> Creates a JWT token for the given user. </summary>
         public async Task<User?> MakeJwt(User user)
         {
             const int hoursUntilExpires = 4;
             var tokenHandler = new JwtSecurityTokenHandler();
             var secretKey = Environment.GetEnvironmentVariable("COMBINE_JWT_SECRET_KEY")!;
             var key = Encoding.ASCII.GetBytes(secretKey);
 
-            // Fetch the projects Id and the roles for each Id
-            var projectPermissionMap = new List<ProjectPermissions>();
-
-            foreach (var (projectRoleKey, projectRoleValue) in user.ProjectRoles)
-            {
-                // Convert each userRoleId to its respective role and add to the mapping
-                var userRole = await _userRoleRepo.GetUserRole(projectRoleKey, projectRoleValue);
-                if (userRole is null)
-                {
-                    return null;
-                }
-
-                var permissions = ProjectRole.RolePermissions(userRole.Role);
-                var validEntry = new ProjectPermissions(projectRoleKey, permissions);
-                projectPermissionMap.Add(validEntry);
-            }
-
-            var claimString = projectPermissionMap.ToJson();
             var tokenDescriptor = new SecurityTokenDescriptor
             {
-                Subject = new ClaimsIdentity(new[]
-                {
-                    new Claim("UserId", user.Id),
-                    new Claim("UserRoleInfo", claimString)
-                }),
-
+                Subject = new ClaimsIdentity(new[] { new Claim("UserId", user.Id) }),
                 Expires = DateTime.UtcNow.AddHours(hoursUntilExpires),
-
                 SigningCredentials = new SigningCredentials(
                     new SymmetricSecurityKey(key), SecurityAlgorithms.HmacSha256Signature)
             };
@@ -245,16 +211,5 @@ protected InvalidJwtTokenException(SerializationInfo info, StreamingContext cont
                 : base(info, context) { }
         }
     }
-
-    public class ProjectPermissions
-    {
-        public ProjectPermissions(string projectId, List<Permission> permissions)
-        {
-            ProjectId = projectId;
-            Permissions = permissions;
-        }
-        public string ProjectId { get; }
-        public List<Permission> Permissions { get; }
-    }
 }