Add support for checking minimal permissions for any API without APIC. …

…Closes #861 (#889)

dev-proxy-plugins/GraphUtils.cs

@@ -1,92 +1,92 @@
-// Copyright (c) Microsoft Corporation.
-// Licensed under the MIT License.
-
-using System.Net.Http.Json;
-using Microsoft.DevProxy.Plugins.MinimalPermissions;
-using Microsoft.Extensions.Logging;
-using Titanium.Web.Proxy.Http;
-
-namespace Microsoft.DevProxy.Plugins;
-
-public class GraphUtils
-{
-    // throttle requests per workload
-    public static string BuildThrottleKey(Request r) => BuildThrottleKey(r.RequestUri);
-
-    public static string BuildThrottleKey(Uri uri)
-    {
-        if (uri.Segments.Length < 3)
-        {
-            return uri.Host;
-        }
-
-        // first segment is /
-        // second segment is Graph version (v1.0, beta)
-        // third segment is the workload (users, groups, etc.)
-        // segment can end with / if there are other segments following
-        var workload = uri.Segments[2].Trim('/');
-
-        // TODO: handle 'me' which is a proxy to other resources
-
-        return workload;
-    }
-
-    internal static string GetScopeTypeString(PermissionsType type)
-    {
-        return type switch
-        {
-            PermissionsType.Application => "Application",
-            PermissionsType.Delegated => "DelegatedWork",
-            _ => throw new InvalidOperationException($"Unknown scope type: {type}")
-        };
-    }
-
-    internal static async Task<IEnumerable<string>> UpdateUserScopesAsync(IEnumerable<string> minimalScopes, IEnumerable<(string method, string url)> endpoints, PermissionsType permissionsType, ILogger logger)
-    {
-        var userEndpoints = endpoints.Where(e => e.url.Contains("/users/{", StringComparison.OrdinalIgnoreCase));
-        if (!userEndpoints.Any())
-        {
-            return minimalScopes;
-        }
-
-        var newMinimalScopes = new HashSet<string>(minimalScopes);
-
-        var url = $"https://graphexplorerapi.azurewebsites.net/permissions?scopeType={GetScopeTypeString(permissionsType)}";
-        using var httpClient = new HttpClient();
-        var urls = userEndpoints.Select(e => {
-            logger.LogDebug("Getting permissions for {method} {url}", e.method, e.url);
-            return $"{url}&requesturl={e.url}&method={e.method}";
-        });
-        var tasks = urls.Select(u => {
-            logger.LogTrace("Calling {url}...", u);
-            return httpClient.GetFromJsonAsync<PermissionInfo[]>(u);
-        });
-        await Task.WhenAll(tasks);
-
-        foreach (var task in tasks)
-        {
-            var response = await task;
-            if (response is null)
-            {
-                continue;
-            }
-
-            // there's only one scope so it must be minimal already
-            if (response.Length < 2)
-            {
-                continue;
-            }
-
-            if (newMinimalScopes.Contains(response[0].Value))
-            {
-                logger.LogDebug("Replacing scope {old} with {new}", response[0].Value, response[1].Value);
-                newMinimalScopes.Remove(response[0].Value);
-                newMinimalScopes.Add(response[1].Value);
-            }
-        }
-
-        logger.LogDebug("Updated minimal scopes. Original: {original}, New: {new}", string.Join(", ", minimalScopes), string.Join(", ", newMinimalScopes));
-
-        return newMinimalScopes;
-    }
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+using System.Net.Http.Json;
+using Microsoft.DevProxy.Plugins.MinimalPermissions;
+using Microsoft.Extensions.Logging;
+using Titanium.Web.Proxy.Http;
+
+namespace Microsoft.DevProxy.Plugins;
+
+public class GraphUtils
+{
+    // throttle requests per workload
+    public static string BuildThrottleKey(Request r) => BuildThrottleKey(r.RequestUri);
+
+    public static string BuildThrottleKey(Uri uri)
+    {
+        if (uri.Segments.Length < 3)
+        {
+            return uri.Host;
+        }
+
+        // first segment is /
+        // second segment is Graph version (v1.0, beta)
+        // third segment is the workload (users, groups, etc.)
+        // segment can end with / if there are other segments following
+        var workload = uri.Segments[2].Trim('/');
+
+        // TODO: handle 'me' which is a proxy to other resources
+
+        return workload;
+    }
+
+    internal static string GetScopeTypeString(GraphPermissionsType type)
+    {
+        return type switch
+        {
+            GraphPermissionsType.Application => "Application",
+            GraphPermissionsType.Delegated => "DelegatedWork",
+            _ => throw new InvalidOperationException($"Unknown scope type: {type}")
+        };
+    }
+
+    internal static async Task<IEnumerable<string>> UpdateUserScopesAsync(IEnumerable<string> minimalScopes, IEnumerable<(string method, string url)> endpoints, GraphPermissionsType permissionsType, ILogger logger)
+    {
+        var userEndpoints = endpoints.Where(e => e.url.Contains("/users/{", StringComparison.OrdinalIgnoreCase));
+        if (!userEndpoints.Any())
+        {
+            return minimalScopes;
+        }
+
+        var newMinimalScopes = new HashSet<string>(minimalScopes);
+
+        var url = $"https://graphexplorerapi.azurewebsites.net/permissions?scopeType={GetScopeTypeString(permissionsType)}";
+        using var httpClient = new HttpClient();
+        var urls = userEndpoints.Select(e => {
+            logger.LogDebug("Getting permissions for {method} {url}", e.method, e.url);
+            return $"{url}&requesturl={e.url}&method={e.method}";
+        });
+        var tasks = urls.Select(u => {
+            logger.LogTrace("Calling {url}...", u);
+            return httpClient.GetFromJsonAsync<GraphPermissionInfo[]>(u);
+        });
+        await Task.WhenAll(tasks);
+
+        foreach (var task in tasks)
+        {
+            var response = await task;
+            if (response is null)
+            {
+                continue;
+            }
+
+            // there's only one scope so it must be minimal already
+            if (response.Length < 2)
+            {
+                continue;
+            }
+
+            if (newMinimalScopes.Contains(response[0].Value))
+            {
+                logger.LogDebug("Replacing scope {old} with {new}", response[0].Value, response[1].Value);
+                newMinimalScopes.Remove(response[0].Value);
+                newMinimalScopes.Add(response[1].Value);
+            }
+        }
+
+        logger.LogDebug("Updated minimal scopes. Original: {original}, New: {new}", string.Join(", ", minimalScopes), string.Join(", ", newMinimalScopes));
+
+        return newMinimalScopes;
+    }
 }

dev-proxy-plugins/MinimalPermissions/ApiOperation.cs

@@ -0,0 +1,11 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace Microsoft.DevProxy.Plugins.MinimalPermissions;
+
+public class ApiOperation
+{
+    public required string Method { get; init; }
+    public required string OriginalUrl { get; init; }
+    public required string TokenizedUrl { get; init; }
+}

dev-proxy-plugins/MinimalPermissions/ApiPermissionError.cs

@@ -0,0 +1,10 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace Microsoft.DevProxy.Plugins.MinimalPermissions;
+
+public class ApiPermissionError
+{
+    public required string Request { get; init; }
+    public required string Error { get; init; }
+}

dev-proxy-plugins/MinimalPermissions/ApiPermissionsInfo.cs

@@ -0,0 +1,13 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace Microsoft.DevProxy.Plugins.MinimalPermissions;
+
+public class ApiPermissionsInfo
+{
+    public required List<string> TokenPermissions { get; init; }
+    public required List<ApiOperation> OperationsFromRequests { get; init; }
+    public required string[] MinimalScopes { get; init; }
+    public required string[] UnmatchedOperations { get; init; }
+    public required List<ApiPermissionError> Errors { get; init; }
+}

dev-proxy-plugins/MinimalPermissions/PermissionError.cs → dev-proxy-plugins/MinimalPermissions/GraphPermissionError.cs

@@ -1,10 +1,13 @@
-using System.Text.Json.Serialization;
-
-namespace Microsoft.DevProxy.Plugins.MinimalPermissions;
-
-internal class PermissionError
-{
-    [JsonPropertyName("requestUrl")]
-    public string Url { get; set; } = string.Empty;
-    public string Message { get; set; } = string.Empty;
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+using System.Text.Json.Serialization;
+
+namespace Microsoft.DevProxy.Plugins.MinimalPermissions;
+
+internal class GraphPermissionError
+{
+    [JsonPropertyName("requestUrl")]
+    public string Url { get; set; } = string.Empty;
+    public string Message { get; set; } = string.Empty;
 }

dev-proxy-plugins/MinimalPermissions/PermissionInfo.cs → dev-proxy-plugins/MinimalPermissions/GraphPermissionInfo.cs

@@ -1,12 +1,15 @@
-namespace Microsoft.DevProxy.Plugins.MinimalPermissions;
-
-internal class PermissionInfo
-{
-    public string Value { get; set; } = string.Empty;
-    public string ScopeType { get; set; } = string.Empty;
-    public string ConsentDisplayName { get; set; } = string.Empty;
-    public string ConsentDescription { get; set; } = string.Empty;
-    public bool IsAdmin { get; set; }
-    public bool IsLeastPrivilege { get; set; }
-    public bool IsHidden { get; set; }
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace Microsoft.DevProxy.Plugins.MinimalPermissions;
+
+internal class GraphPermissionInfo
+{
+    public string Value { get; set; } = string.Empty;
+    public string ScopeType { get; set; } = string.Empty;
+    public string ConsentDisplayName { get; set; } = string.Empty;
+    public string ConsentDescription { get; set; } = string.Empty;
+    public bool IsAdmin { get; set; }
+    public bool IsLeastPrivilege { get; set; }
+    public bool IsHidden { get; set; }
 }

dev-proxy-plugins/MinimalPermissions/GraphPermissionsType.cs

@@ -0,0 +1,10 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace Microsoft.DevProxy.Plugins.MinimalPermissions;
+
+public enum GraphPermissionsType
+{
+    Application,
+    Delegated
+}

dev-proxy-plugins/MinimalPermissions/RequestInfo.cs → dev-proxy-plugins/MinimalPermissions/GraphRequestInfo.cs

@@ -1,11 +1,14 @@
-
-using System.Text.Json.Serialization;
-
-namespace Microsoft.DevProxy.Plugins.MinimalPermissions;
-
-public class RequestInfo
-{
-    [JsonPropertyName("requestUrl")]
-    public string Url { get; set; } = string.Empty;
-    public string Method { get; set; } = string.Empty;
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+
+using System.Text.Json.Serialization;
+
+namespace Microsoft.DevProxy.Plugins.MinimalPermissions;
+
+public class GraphRequestInfo
+{
+    [JsonPropertyName("requestUrl")]
+    public string Url { get; set; } = string.Empty;
+    public string Method { get; set; } = string.Empty;
 }

dev-proxy-plugins/MinimalPermissions/GraphResultsAndErrors.cs

@@ -0,0 +1,10 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace Microsoft.DevProxy.Plugins.MinimalPermissions;
+
+internal class GraphResultsAndErrors
+{
+    public GraphPermissionInfo[]? Results { get; set; }
+    public GraphPermissionError[]? Errors { get; set; }
+}