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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| using GraphQL; | ||
| using SixLabors.ImageSharp; | ||
| using SixLabors.ImageSharp.Processing; | ||
|
|
||
| namespace Samples.Upload; | ||
|
|
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| public class Mutation | ||
| { | ||
| public static async Task<string> Rotate(IFormFile file, CancellationToken cancellationToken) | ||
| { | ||
| if (file == null || file.Length == 0) | ||
| { | ||
| throw new ExecutionError("File is null or empty."); | ||
| } | ||
|
|
||
| try | ||
| { | ||
| // Read the file into an Image | ||
| using var sourceStream = file.OpenReadStream(); | ||
| using var image = await Image.LoadAsync(sourceStream, cancellationToken); | ||
|
|
||
| // Rotate the image 90 degrees | ||
| image.Mutate(x => x.Rotate(90)); | ||
|
|
||
| // Convert the image to a byte array | ||
| await using var memoryStream = new MemoryStream(); | ||
| await image.SaveAsJpegAsync(memoryStream, cancellationToken); | ||
| byte[] imageBytes = memoryStream.ToArray(); | ||
|
|
||
| // Convert byte array to a base-64 string | ||
| string base64String = Convert.ToBase64String(imageBytes); | ||
|
|
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| return base64String; | ||
| } | ||
| catch (Exception ex) | ||
| { | ||
| // Handle exceptions (e.g., file is not an image, or unsupported image format) | ||
| throw new ExecutionError("Error processing image: " + ex.Message, ex); | ||
| } | ||
|
Check notice Code scanning / CodeQL Generic catch clause Note
Generic catch clause.
|
||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| @page | ||
| @model GraphQL.Server.Samples.Upload.Pages.IndexModel | ||
| <!DOCTYPE html> | ||
| <html lang="en"> | ||
| <head> | ||
| <meta charset="UTF-8"> | ||
| <title>Image Upload</title> | ||
| </head> | ||
| <body> | ||
| <h1>Rotate JPEG images</h1> | ||
| <ol> | ||
| <li>Select a JPEG image</li> | ||
| <li>Click the "Upload Image" button</li> | ||
| <li>Wait for the image to be rotated</li> | ||
| </ol> | ||
| <p><input type="file" id="imageInput" accept="image/jpeg,image/jpg"></p> | ||
| <p><button id="uploadButton">Upload Image</button></p> | ||
| <p> | ||
| <img id="resultImage" alt="Uploaded Image" style="display:none;" /> | ||
| </p> | ||
|
|
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| <script> | ||
| document.getElementById('uploadButton').addEventListener('click', function () { | ||
| const input = document.getElementById('imageInput'); | ||
| if (!input.files[0]) { | ||
| alert("Please select a file first!"); | ||
| return; | ||
| } | ||
| const file = input.files[0]; | ||
| const formData = new FormData(); | ||
| const operations = { | ||
| query: "mutation ($img: FormFile!) { rotate(file: $img) }", | ||
| variables: { img: null } | ||
| }; | ||
| const map = { | ||
| "file1": ["variables.img"] | ||
| } | ||
| formData.append('operations', JSON.stringify(operations)); | ||
| formData.append('map', JSON.stringify(map)); | ||
| formData.append('file1', file); | ||
| fetch('/graphql', { | ||
| method: 'POST', | ||
| body: formData | ||
| }) | ||
| .then(response => response.json()) | ||
| .then(data => { | ||
| if (data && data.data && data.data.rotate) { | ||
| const img = document.getElementById('resultImage'); | ||
| img.src = 'data:image/jpeg;base64,' + data.data.rotate; | ||
| img.style.display = 'block'; | ||
| } else { | ||
| throw new Error('Invalid response format'); | ||
| } | ||
| }) | ||
| .catch(error => { | ||
| console.error('Error:', error); | ||
| alert("An error occurred while uploading the image."); | ||
| }); | ||
| }); | ||
| </script> | ||
| </body> | ||
| </html> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| using Microsoft.AspNetCore.Mvc.RazorPages; | ||
|
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| namespace GraphQL.Server.Samples.Upload.Pages | ||
| { | ||
| public class IndexModel : PageModel | ||
| { | ||
| public void OnGet() | ||
| { | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| using GraphQL; | ||
| using Samples.Upload; | ||
|
|
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| var builder = WebApplication.CreateBuilder(args); | ||
|
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| builder.Services.AddRazorPages(); | ||
| builder.Services.AddGraphQL(b => b | ||
| .AddAutoSchema<Query>(c => c.WithMutation<Mutation>()) | ||
| .AddFormFileGraphType() | ||
| .AddSystemTextJson()); | ||
|
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| var app = builder.Build(); | ||
| app.UseDeveloperExceptionPage(); | ||
| app.UseGraphQL(); | ||
| app.UseRouting(); | ||
| app.MapRazorPages(); | ||
|
|
||
| await app.RunAsync(); |
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|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| { | ||
| "iisSettings": { | ||
| "windowsAuthentication": false, | ||
| "anonymousAuthentication": true, | ||
| "iisExpress": { | ||
| "applicationUrl": "http://localhost:51526/", | ||
| "sslPort": 44334 | ||
| } | ||
| }, | ||
| "profiles": { | ||
| "IIS Express": { | ||
| "commandName": "IISExpress", | ||
| "launchBrowser": true, | ||
| "environmentVariables": { | ||
| "ASPNETCORE_ENVIRONMENT": "Development" | ||
| } | ||
| }, | ||
| "Typical": { | ||
| "commandName": "Project", | ||
| "launchBrowser": true, | ||
| "environmentVariables": { | ||
| "ASPNETCORE_ENVIRONMENT": "Development" | ||
| }, | ||
| "applicationUrl": "https://localhost:5001;http://localhost:5000" | ||
| } | ||
| } | ||
| } |
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| @@ -0,0 +1,6 @@ | ||
| namespace Samples.Upload; | ||
|
|
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| public class Query | ||
| { | ||
| public static string Hello() => "Hello World!"; | ||
| } |
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| <Project Sdk="Microsoft.NET.Sdk.Web"> | ||
|
|
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| <PropertyGroup> | ||
| <OutputType>Exe</OutputType> | ||
| <TargetFramework>net8.0</TargetFramework> | ||
| <ImplicitUsings>enable</ImplicitUsings> | ||
| <Nullable>enable</Nullable> | ||
| </PropertyGroup> | ||
|
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| <ItemGroup> | ||
| <PackageReference Include="SixLabors.ImageSharp" Version="2.1.6" /> | ||
| </ItemGroup> | ||
|
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| <ItemGroup> | ||
| <ProjectReference Include="..\..\src\Transports.AspNetCore\Transports.AspNetCore.csproj" /> | ||
| </ItemGroup> | ||
|
|
||
| </Project> |
18 changes: 18 additions & 0 deletions
18
src/Transports.AspNetCore/Errors/FileCountExceededError.cs
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| @@ -0,0 +1,18 @@ | ||
| namespace GraphQL.Server.Transports.AspNetCore.Errors; | ||
|
|
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| /// <summary> | ||
| /// Represents an error when too many files are uploaded in a GraphQL request. | ||
| /// </summary> | ||
| public class FileCountExceededError : RequestError, IHasPreferredStatusCode | ||
| { | ||
| /// <summary> | ||
| /// Initializes a new instance of the <see cref="FileCountExceededError"/> class. | ||
| /// </summary> | ||
| public FileCountExceededError() | ||
| : base("File uploads exceeded.") | ||
| { | ||
| } | ||
|
|
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| /// <inheritdoc/> | ||
| public HttpStatusCode PreferredStatusCode => HttpStatusCode.RequestEntityTooLarge; | ||
| } |
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| namespace GraphQL.Server.Transports.AspNetCore.Errors; | ||
|
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| /// <summary> | ||
| /// Represents an error when a file exceeds the allowed size limit in a GraphQL upload. | ||
| /// </summary> | ||
| public class FileSizeExceededError : RequestError, IHasPreferredStatusCode | ||
| { | ||
| /// <summary> | ||
| /// Initializes a new instance of the <see cref="FileSizeExceededError"/> class. | ||
| /// </summary> | ||
| public FileSizeExceededError() | ||
| : base("File size limit exceeded.") | ||
| { | ||
| } | ||
|
|
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| /// <inheritdoc/> | ||
| public HttpStatusCode PreferredStatusCode => HttpStatusCode.RequestEntityTooLarge; | ||
| } |
12 changes: 12 additions & 0 deletions
12
src/Transports.AspNetCore/Errors/IHasPreferredStatusCode.cs
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| namespace GraphQL.Server.Transports.AspNetCore.Errors; | ||
|
|
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| /// <summary> | ||
| /// Defines an interface for errors that have a preferred HTTP status code. | ||
| /// </summary> | ||
| public interface IHasPreferredStatusCode | ||
| { | ||
| /// <summary> | ||
| /// Returns the preferred HTTP status code for this error. | ||
| /// </summary> | ||
| HttpStatusCode PreferredStatusCode { get; } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,23 @@ | ||
| namespace GraphQL.Server.Transports.AspNetCore.Errors; | ||
|
|
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| /// <summary> | ||
| /// Represents an error when an invalid map path is provided in a GraphQL file upload request. | ||
| /// </summary> | ||
| public class InvalidMapError : RequestError | ||
| { | ||
| /// <summary> | ||
| /// Initializes a new instance of the <see cref="InvalidMapError"/> class. | ||
| /// </summary> | ||
| public InvalidMapError(Exception? innerException = null) | ||
| : base("Invalid map path." + (innerException != null ? " " + innerException.Message : null), innerException) | ||
| { | ||
| } | ||
|
|
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| /// <summary> | ||
| /// Initializes a new instance of the <see cref="InvalidMapError"/> class. | ||
| /// </summary> | ||
| public InvalidMapError(string message, Exception? innerException = null) | ||
| : base("Invalid map path. " + message, innerException) | ||
| { | ||
| } | ||
| } |
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