├── .github ├── ISSUE_TEMPLATE.md └── PULL_REQUEST_TEMPLATE.md ├── .gitignore ├── CONTRIBUTING.md ├── GridRelayListener ├── App.config ├── AzureEventGridEvent.cs ├── GridRelayListener.csproj └── Program.cs ├── LICENSE.md └── README.md /.github/ISSUE_TEMPLATE.md: -------------------------------------------------------------------------------- 1 | 4 | > Please provide us with the following information: 5 | > --------------------------------------------------------------- 6 | 7 | ### This issue is for a: (mark with an `x`) 8 | ``` 9 | - [ ] bug report -> please search issues before submitting 10 | - [ ] feature request 11 | - [ ] documentation issue or request 12 | - [ ] regression (a behavior that used to work and stopped in a new release) 13 | ``` 14 | 15 | ### Minimal steps to reproduce 16 | > 17 | 18 | ### Any log messages given by the failure 19 | > 20 | 21 | ### Expected/desired behavior 22 | > 23 | 24 | ### OS and Version? 25 | > Windows 7, 8 or 10. Linux (which distribution). macOS (Yosemite? El Capitan? Sierra?) 26 | 27 | ### Versions 28 | > 29 | 30 | ### Mention any other details that might be useful 31 | 32 | > --------------------------------------------------------------- 33 | > Thanks! We'll be in touch soon. 34 | -------------------------------------------------------------------------------- /.github/PULL_REQUEST_TEMPLATE.md: -------------------------------------------------------------------------------- 1 | ## Purpose 2 | 3 | * ... 4 | 5 | ## Does this introduce a breaking change? 6 | 7 | ``` 8 | [ ] Yes 9 | [ ] No 10 | ``` 11 | 12 | ## Pull Request Type 13 | What kind of change does this Pull Request introduce? 14 | 15 | 16 | ``` 17 | [ ] Bugfix 18 | [ ] Feature 19 | [ ] Code style update (formatting, local variables) 20 | [ ] Refactoring (no functional changes, no api changes) 21 | [ ] Documentation content changes 22 | [ ] Other... Please describe: 23 | ``` 24 | 25 | ## How to Test 26 | * Get the code 27 | 28 | ``` 29 | git clone [repo-address] 30 | cd [repo-name] 31 | git checkout [branch-name] 32 | npm install 33 | ``` 34 | 35 | * Test the code 36 | 37 | ``` 38 | ``` 39 | 40 | ## What to Check 41 | Verify that the following are valid 42 | * ... 43 | 44 | ## Other Information 45 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | ## Ignore Visual Studio temporary files, build results, and 2 | ## files generated by popular Visual Studio add-ons. 3 | ## 4 | ## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore 5 | 6 | # User-specific files 7 | *.suo 8 | *.user 9 | *.userosscache 10 | *.sln.docstates 11 | 12 | # User-specific files (MonoDevelop/Xamarin Studio) 13 | *.userprefs 14 | 15 | # Build results 16 | [Dd]ebug/ 17 | [Dd]ebugPublic/ 18 | [Rr]elease/ 19 | [Rr]eleases/ 20 | x64/ 21 | x86/ 22 | bld/ 23 | [Bb]in/ 24 | [Oo]bj/ 25 | [Ll]og/ 26 | 27 | # Visual Studio 2015 cache/options directory 28 | .vs/ 29 | # Uncomment if you have tasks that create the project's static files in wwwroot 30 | #wwwroot/ 31 | 32 | # MSTest test Results 33 | [Tt]est[Rr]esult*/ 34 | [Bb]uild[Ll]og.* 35 | 36 | # NUNIT 37 | *.VisualState.xml 38 | TestResult.xml 39 | 40 | # Build Results of an ATL Project 41 | [Dd]ebugPS/ 42 | [Rr]eleasePS/ 43 | dlldata.c 44 | 45 | # .NET Core 46 | project.lock.json 47 | project.fragment.lock.json 48 | artifacts/ 49 | **/Properties/launchSettings.json 50 | 51 | *_i.c 52 | *_p.c 53 | *_i.h 54 | *.ilk 55 | *.meta 56 | *.obj 57 | *.pch 58 | *.pdb 59 | *.pgc 60 | *.pgd 61 | *.rsp 62 | *.sbr 63 | *.tlb 64 | *.tli 65 | *.tlh 66 | *.tmp 67 | *.tmp_proj 68 | *.log 69 | *.vspscc 70 | *.vssscc 71 | .builds 72 | *.pidb 73 | *.svclog 74 | *.scc 75 | 76 | # Chutzpah Test files 77 | _Chutzpah* 78 | 79 | # Visual C++ cache files 80 | ipch/ 81 | *.aps 82 | *.ncb 83 | *.opendb 84 | *.opensdf 85 | *.sdf 86 | *.cachefile 87 | *.VC.db 88 | *.VC.VC.opendb 89 | 90 | # Visual Studio profiler 91 | *.psess 92 | *.vsp 93 | *.vspx 94 | *.sap 95 | 96 | # TFS 2012 Local Workspace 97 | $tf/ 98 | 99 | # Guidance Automation Toolkit 100 | *.gpState 101 | 102 | # ReSharper is a .NET coding add-in 103 | _ReSharper*/ 104 | *.[Rr]e[Ss]harper 105 | *.DotSettings.user 106 | 107 | # JustCode is a .NET coding add-in 108 | .JustCode 109 | 110 | # TeamCity is a build add-in 111 | _TeamCity* 112 | 113 | # DotCover is a Code Coverage Tool 114 | *.dotCover 115 | 116 | # Visual Studio code coverage results 117 | *.coverage 118 | *.coveragexml 119 | 120 | # NCrunch 121 | _NCrunch_* 122 | .*crunch*.local.xml 123 | nCrunchTemp_* 124 | 125 | # MightyMoose 126 | *.mm.* 127 | AutoTest.Net/ 128 | 129 | # Web workbench (sass) 130 | .sass-cache/ 131 | 132 | # Installshield output folder 133 | [Ee]xpress/ 134 | 135 | # DocProject is a documentation generator add-in 136 | DocProject/buildhelp/ 137 | DocProject/Help/*.HxT 138 | DocProject/Help/*.HxC 139 | DocProject/Help/*.hhc 140 | DocProject/Help/*.hhk 141 | DocProject/Help/*.hhp 142 | DocProject/Help/Html2 143 | DocProject/Help/html 144 | 145 | # Click-Once directory 146 | publish/ 147 | 148 | # Publish Web Output 149 | *.[Pp]ublish.xml 150 | *.azurePubxml 151 | # TODO: Comment the next line if you want to checkin your web deploy settings 152 | # but database connection strings (with potential passwords) will be unencrypted 153 | *.pubxml 154 | *.publishproj 155 | 156 | # Microsoft Azure Web App publish settings. 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Most contributions require you to agree to a 4 | Contributor License Agreement (CLA) declaring that you have the right to, and actually do, grant us 5 | the rights to use your contribution. For details, visit https://cla.microsoft.com. 6 | 7 | When you submit a pull request, a CLA-bot will automatically determine whether you need to provide 8 | a CLA and decorate the PR appropriately (e.g., label, comment). Simply follow the instructions 9 | provided by the bot. You will only need to do this once across all repos using our CLA. 10 | 11 | This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/). 12 | For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or 13 | contact [opencode@microsoft.com](mailto:opencode@microsoft.com) with any additional questions or comments. 14 | 15 | - [Code of Conduct](#coc) 16 | - [Issues and Bugs](#issue) 17 | - [Feature Requests](#feature) 18 | - [Submission Guidelines](#submit) 19 | 20 | ## Code of Conduct 21 | Help us keep this project open and inclusive. Please read and follow our [Code of Conduct](https://opensource.microsoft.com/codeofconduct/). 22 | 23 | ## Found an Issue? 24 | If you find a bug in the source code or a mistake in the documentation, you can help us by 25 | [submitting an issue](#submit-issue) to the GitHub Repository. Even better, you can 26 | [submit a Pull Request](#submit-pr) with a fix. 27 | 28 | ## Want a Feature? 29 | You can *request* a new feature by [submitting an issue](#submit-issue) to the GitHub 30 | Repository. If you would like to *implement* a new feature, please submit an issue with 31 | a proposal for your work first, to be sure that we can use it. 32 | 33 | * **Small Features** can be crafted and directly [submitted as a Pull Request](#submit-pr). 34 | 35 | ## Submission Guidelines 36 | 37 | ### Submitting an Issue 38 | Before you submit an issue, search the archive, maybe your question was already answered. 39 | 40 | If your issue appears to be a bug, and hasn't been reported, open a new issue. 41 | Help us to maximize the effort we can spend fixing issues and adding new 42 | features, by not reporting duplicate issues. Providing the following information will increase the 43 | chances of your issue being dealt with quickly: 44 | 45 | * **Overview of the Issue** - if an error is being thrown a non-minified stack trace helps 46 | * **Version** - what version is affected (e.g. 0.1.2) 47 | * **Motivation for or Use Case** - explain what are you trying to do and why the current behavior is a bug for you 48 | * **Browsers and Operating System** - is this a problem with all browsers? 49 | * **Reproduce the Error** - provide a live example or a unambiguous set of steps 50 | * **Related Issues** - has a similar issue been reported before? 51 | * **Suggest a Fix** - if you can't fix the bug yourself, perhaps you can point to what might be 52 | causing the problem (line of code or commit) 53 | 54 | You can file new issues by providing the above information at the corresponding repository's issues link: https://github.com/[organization-name]/[repository-name]/issues/new]. 55 | 56 | ### Submitting a Pull Request (PR) 57 | Before you submit your Pull Request (PR) consider the following guidelines: 58 | 59 | * Search the repository (https://github.com/[organization-name]/[repository-name]/pulls) for an open or closed PR 60 | that relates to your submission. You don't want to duplicate effort. 61 | 62 | * Make your changes in a new git fork: 63 | 64 | * Commit your changes using a descriptive commit message 65 | * Push your fork to GitHub: 66 | * In GitHub, create a pull request 67 | * If we suggest changes then: 68 | * Make the required updates. 69 | * Rebase your fork and force push to your GitHub repository (this will update your Pull Request): 70 | 71 | ```shell 72 | git rebase master -i 73 | git push -f 74 | ``` 75 | 76 | That's it! Thank you for your contribution! 77 | -------------------------------------------------------------------------------- /GridRelayListener/App.config: -------------------------------------------------------------------------------- 1 |  2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 12 | 14 | 16 | 17 | 18 | 20 | 22 | 24 | 26 | 28 | 29 | 30 | 32 | 34 | 36 | 38 | 40 | 42 | 44 | 45 | 46 | 47 | 48 | 49 | 51 | 52 | -------------------------------------------------------------------------------- /GridRelayListener/AzureEventGridEvent.cs: -------------------------------------------------------------------------------- 1 | // 2 | // Copyright © Microsoft Corporation, All Rights Reserved 3 | // 4 | // Licensed under the Apache License, Version 2.0 (the "License"); 5 | // you may not use this file except in compliance with the License. 6 | // You may obtain a copy of the License at 7 | // 8 | // http://www.apache.org/licenses/LICENSE-2.0 9 | // 10 | // THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS 11 | // OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION 12 | // ANY IMPLIED WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A 13 | // PARTICULAR PURPOSE, MERCHANTABILITY OR NON-INFRINGEMENT. 14 | // 15 | // See the Apache License, Version 2.0 for the specific language 16 | // governing permissions and limitations under the License. 17 | 18 | namespace GridRelayListener 19 | { 20 | using Newtonsoft.Json; 21 | using Newtonsoft.Json.Serialization; 22 | using System; 23 | 24 | public class AzureEventGridEvent 25 | { 26 | public string Topic { get; set; } 27 | 28 | public string Subject { get; set; } 29 | 30 | public string EventType { get; set; } 31 | 32 | public DateTime EventTime { get; set; } 33 | public string Id { get; set; } 34 | 35 | public object Data { get; set; } 36 | 37 | static JsonSerializerSettings jsonSerializerSettings = new JsonSerializerSettings 38 | { 39 | ContractResolver = new CamelCasePropertyNamesContractResolver() 40 | }; 41 | 42 | public static AzureEventGridEvent[] DeserializeAzureEventGridEvents(string payload) 43 | { 44 | return JsonConvert.DeserializeObject(payload, jsonSerializerSettings); 45 | } 46 | } 47 | } 48 | -------------------------------------------------------------------------------- /GridRelayListener/GridRelayListener.csproj: -------------------------------------------------------------------------------- 1 |  2 | 3 | net452 4 | Exe 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | -------------------------------------------------------------------------------- /GridRelayListener/Program.cs: -------------------------------------------------------------------------------- 1 |  2 | // 3 | // Copyright © Microsoft Corporation, All Rights Reserved 4 | // 5 | // Licensed under the Apache License, Version 2.0 (the "License"); 6 | // you may not use this file except in compliance with the License. 7 | // You may obtain a copy of the License at 8 | // 9 | // http://www.apache.org/licenses/LICENSE-2.0 10 | // 11 | // THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS 12 | // OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION 13 | // ANY IMPLIED WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A 14 | // PARTICULAR PURPOSE, MERCHANTABILITY OR NON-INFRINGEMENT. 15 | // 16 | // See the Apache License, Version 2.0 for the specific language 17 | // governing permissions and limitations under the License. 18 | 19 | namespace GridRelayListener 20 | { 21 | using System; 22 | using System.IO; 23 | using System.ServiceModel; 24 | using System.ServiceModel.Web; 25 | using System.Text; 26 | using Microsoft.ServiceBus; 27 | using Newtonsoft.Json.Linq; 28 | 29 | [ServiceContract] 30 | class GridServiceListener 31 | { 32 | // Replace the following three values with your Serice Bus 33 | // namespace, key name, and key value. You only need to 34 | // change the key name if you changed it. 35 | const string sbNamespace = ""; 36 | const string sbKeyName = "RootManageSharedAccessKey"; 37 | const string sbKeyValue = ""; 38 | 39 | const string path = "gridservicelistener"; 40 | 41 | static void Main() 42 | { 43 | 44 | GridServiceListener svc = new GridServiceListener(); 45 | svc.Run(sbNamespace, path, sbKeyName, sbKeyValue); 46 | } 47 | 48 | public void Run(string sbNamespace, string path, string keyName, string keyValue) 49 | { 50 | string httpsAddress = new UriBuilder("https", sbNamespace, -1, path).ToString(); 51 | using (var host = new WebServiceHost(GetType())) 52 | { 53 | // Add an endpoint to receive requests over HTTPS without requiring Auth at the Relay Service 54 | var webBinding = new WebHttpRelayBinding(EndToEndWebHttpSecurityMode.Transport, RelayClientAuthenticationType.None); 55 | var tokenProvider = TokenProvider.CreateSharedAccessSignatureTokenProvider(keyName, keyValue); 56 | var transportBehavior = new TransportClientEndpointBehavior(tokenProvider); 57 | var endpoint = host.AddServiceEndpoint(typeof(GridServiceListener), webBinding, httpsAddress); 58 | endpoint.EndpointBehaviors.Add(transportBehavior); 59 | 60 | host.Open(); 61 | Console.WriteLine($"Listening at: {httpsAddress}?code={sbKeyValue}"); 62 | 63 | Console.WriteLine("Press [Enter] to exit"); 64 | Console.ReadLine(); 65 | 66 | host.Close(); 67 | } 68 | } 69 | 70 | [OperationContract, WebInvoke(Method = "POST", UriTemplate = "")] 71 | Stream GridEventHandler(Stream input) 72 | { 73 | // Check Auth and return immediately if no valid code is provided 74 | if (!AuthorizedRequest(WebOperationContext.Current)) 75 | { 76 | Console.WriteLine("Received unauthorized request"); 77 | return UnauthorizedStream(WebOperationContext.Current); 78 | } 79 | 80 | string body = new StreamReader(input).ReadToEnd(); 81 | PrintRequest(WebOperationContext.Current, body); 82 | 83 | AzureEventGridEvent[] events = AzureEventGridEvent.DeserializeAzureEventGridEvents(body); 84 | 85 | // If event received is a SubscriptionValidationEvent, handle it appropriately 86 | if (events.Length == 1 && events[0].EventType == "Microsoft.EventGrid.SubscriptionValidationEvent") 87 | { 88 | // For a validation event, return the cookie embedded in the data.validationCode field. 89 | return ValidationResponseStream(WebOperationContext.Current, events[0]); 90 | } 91 | 92 | // For any event which is not a SubscriptionValidateEvent, just return 200 - Got It 93 | return GotItStream(WebOperationContext.Current); 94 | } 95 | 96 | void PrintRequest(WebOperationContext ctx, string body) 97 | { 98 | // Print headers and body of request to console 99 | string curTime = DateTime.Now.ToString("hh.mm.ss.fff"); 100 | Console.WriteLine($"Received a HTTP POST from EventGrid at time:{curTime}"); 101 | foreach (var header in ctx.IncomingRequest.Headers.AllKeys) 102 | { 103 | Console.WriteLine($"{header}: {ctx.IncomingRequest.Headers[header]}"); 104 | } 105 | Console.WriteLine(body); 106 | } 107 | 108 | bool AuthorizedRequest(WebOperationContext ctx) 109 | { 110 | // Incoming requests need to have a code query parameter with same Key as the Relay Key to be authorized 111 | string code = ctx.IncomingRequest.UriTemplateMatch.QueryParameters["code"]; 112 | return code == sbKeyValue; 113 | } 114 | 115 | Stream ValidationResponseStream(WebOperationContext ctx, AzureEventGridEvent validationEvent) 116 | { 117 | string validationCode = (string)((JObject)validationEvent.Data)["validationCode"]; 118 | ctx.OutgoingResponse.ContentType = "application/json"; 119 | string responseBody = "{\"validationResponse\": \"" + validationCode + "\"}"; 120 | Stream output = new MemoryStream(Encoding.UTF8.GetBytes(responseBody)); 121 | output.Position = 0; 122 | return output; 123 | } 124 | 125 | Stream GotItStream(WebOperationContext ctx) 126 | { 127 | ctx.OutgoingResponse.ContentType = "text/plain"; 128 | Stream output = new MemoryStream(Encoding.UTF8.GetBytes("Got it")); 129 | output.Position = 0; 130 | return output; 131 | } 132 | 133 | Stream UnauthorizedStream(WebOperationContext ctx) 134 | { 135 | ctx.OutgoingResponse.ContentType = "text/plain"; 136 | Stream output = new MemoryStream(System.Text.UTF8Encoding.UTF8.GetBytes("Unauthorized, please include a 'code' query parameter with the appropriate value")); 137 | output.Position = 0; 138 | ctx.OutgoingResponse.StatusCode = System.Net.HttpStatusCode.Forbidden; 139 | return output; 140 | } 141 | } 142 | } -------------------------------------------------------------------------------- /LICENSE.md: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) Microsoft Corporation. All rights reserved. 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | --- 2 | page_type: sample 3 | languages: 4 | - csharp 5 | products: 6 | - azure 7 | description: "The sample shows you how to use Azure Relay to listen to Azure Event Grid events directly on your console." 8 | urlFragment: event-grid-relay-listener 9 | --- 10 | 11 | # Event Grid Relay listener 12 | 13 | The sample shows you how to use Azure Relay to listen to Azure Event Grid events directly on your console. Send events from any Event Publisher to your relay endpoint and stream them real time to your console for monitoring or app orchestration. 14 | 15 | ## Features 16 | 17 | This project framework provides the following features: 18 | 19 | * Event Grid WebHook endpoint validation 20 | * Relay listener 21 | * Framework for custom event handling 22 | 23 | ## Getting Started 24 | 25 | ### Prerequisites 26 | 27 | - The sample requires an [Azure Relay Service WCF-Relay endpoint](https://docs.microsoft.com/en-us/azure/service-bus-relay/relay-wcf-dotnet-get-started) 28 | 29 | ### Quickstart 30 | 31 | 1. [Create an Azure Relay namespace](https://docs.microsoft.com/en-us/azure/service-bus-relay/relay-create-namespace-portal). 32 | 2. Create a WCF-Relay in the new Azure Relay namespace with the following values: 33 | 34 | Setting | Value 35 | ------------ | ------------- 36 | Name | gridservicelistener 37 | Relay Type | Http 38 | Requires Client Authorization | Unchecked (False) 39 | 40 | 3. Set the following values in GridRelayListener Program.cs: 41 | * `""` with the Relay namespace you just created. 42 | * `"RootManageSharedAccessKey"` with the Relay namespace's shared access policy name if you changed this from the default. *You do not need to do this if you left the name as default.* 43 | * `""` with the shared access policy's primary or secondary key value. 44 | 4. Create an [Event Grid Subscription](https://docs.microsoft.com/en-us/azure/event-grid/overview): 45 | * Set `https:///gridservicelistener?code=` as the subscriber endpoint. 46 | 5. Run the GridRelayListener sample and send events to your Event Grid subscription using your preferred [event publisher](https://docs.microsoft.com/en-us/azure/event-grid/overview#built-in-publisher-and-handler-integration). 47 | 48 | ## Demo 49 | 50 | Use the [Blob Storage eventing](https://docs.microsoft.com/en-us/azure/storage/blobs/storage-blob-event-quickstart?toc=%2fazure%2fevent-grid%2ftoc.json) quick start to get set up sending events from your storage account and use `https:///gridservicelistener?code=` as your subscriber endpoint. Add and delete files from your Blob Storage account to see events appear in your running console. 51 | 52 | ## Resources 53 | 54 | * Learn more about [Azure Event Grid](https://docs.microsoft.com/en-us/azure/event-grid/overview) 55 | --------------------------------------------------------------------------------