Collects and displays SAML messages

Latest Version

Version
2.1.1
Update
November 28, 2017
Size
450KiB
Developer
Category
Users
80,000+
Rating
4.3125 ★
Manifest Version
2
Web Store Status
Languages Support
English
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Permissions

WebRequest
ContextMenus
Storage
Downloads
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SAML Message Decoder Extension

This tool helps you debug your SAML based SSO/SLO implementations. It runs in the background, collecting SAML messages as they are sent and received by the browser. When something didn't work as expected, just pop up the extension to view the latest SAML messages in cleartext (easily readable XML). This allows you see what happened, and to get an idea of how to solve those weird authorization issues.


=== Update 28 Nov/2017 ===
- Add support for EidSignRequest and EidSignResponse messages.


=== Update 26 Nov/2017 ===
- Remove the use of fullpage.js, as it never seemed to understand the dimensions of the Firefox popup window, and set the window height to zero most of the time.
- The popup should load faster now.
- Adjustments to make the extension look decent in the Firefox popup.


=== Update 8 Nov/2017 ===
- Fix an issue when parsing POST parameters containing additional parameters.


=== Update 7 Nov/2017 ===
- Fix an issue where large SAML messages (i.e responses with Assertions) weren't recorded. Caused by a recent Chrome update, where the POST:ed messages ended up in raw ArrayBuffers instead of in the usual FormData object.


=== Update 14 Aug/2017 ===
- Fix a bug causing the 'copy messages' toolbar not to show


=== Update 10 Aug/2017 ===
- Add functionality to copy one or more SAML messages to clipboard.


=== Update 07 Aug/2017 ===
- Rewritten from scratch
- Right-click menu with a few options
- Now supports exporting messages to .json file. Nice to have when you don't have access to the client's computer. They can now install this extension and send the export via mail for analysis.
- Refreshed GUI, with option to scroll vertically or horizontally (using arrow keys).
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx", "manifest_version": 2, "name": "SAML Message Decoder", "description": "Collects and displays SAML messages", "version": "2.1.1", "browser_action": { "default_popup": "index.html", "default_icon" : { "16": "static/icon_16.png", "48": "static/icon_48.png", "128": "static/icon_128.png" } }, "icons": { "16": "static/icon_16.png", "48": "static/icon_48.png", "128": "static/icon_128.png" }, "permissions": [ "", "webRequest", "contextMenus", "storage", "downloads" ], "background": { "scripts": ["listener.js"] }}
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How to download and manually install SAML Message Decoder extension for Chrome

Looking for a way to install SAML Message Decoder extensions for Chrome, you can search for them in the Chrome Web Store, clicking the "Add to Chrome" button, and following the straightforward process.

However, you may need to install SAML Message Decoder extensions manually, this article outlines two simple methods to effortlessly install SAML Message Decoder extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.

Method 1: Download SAML Message Decoder extension and manually install through Drag &Drop

If you ever need to manually install a SAML Message Decoder extension for Chrome, don't worry, it's a simple process. Just follow these easy steps, and you will have your extension ready to use in no time.

Step 1: Download the SAML Message Decoder Extension by clicking the "Download CRX" button on the website.

Look for the SAML Message Decoder extension you wish to install. Go to the website and download the SAML Message Decoder extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for SAML Message Decoder extension that contains all the data.

Step 2: Extract &Arrange Files

Once the file is downloaded, extract that file into its own folder. Similarly, give that extension files a permanent home. In other words, keep it in a folder that you don't accidentally delete it because these files will be needed to make that extension work.

Step 3: Go to the Chrome Extensions Page

Open Google Chrome and in the address bar, type chrome://extensions; it will open the Google Chrome extensions page. Make sure that "My extensions" is selected in the sidebar.

Step 4: Drag and Drop the Extension

Now, go to the folder where you extracted the SAML Message Decoder extension and drag &drop the extension file from there anywhere onto the extension page within Google Chrome.

Step 5: Complete the Installation

Once you drag and drop the extension file, follow the steps that Google Chrome takes you through. Similarly, if the extension file is of .crx file format, you will be required to review the permissions and then add the extension.

Now, you can manage that added extension as you would like to with any other Chrome extension that you added through Chrome Webstore. Its icon will also appear in the Google Chrome Menu on the right side of the address bar once you activate it.

Method 2: Download SAML Message Decoder extension for Chrome and install in Developer Mode

This is another method to install SAML Message Decoder extension manually, but the twist is that here, you install by enabling the developer mode option provided in Google Chrome. This mode is commonly used for testing extensions or running unpublished tools.

Step 1: Download the SAML Message Decoder extension file

Select and download the SAML Message Decoder extension by clicking the 'Download CRX' button on the website.

Step 2: Extract the downloaded contents

Convert the file to a ZIP file if it is in CRX format then extract the SAML Message Decoder extension zip file or folder that you downloaded. Make sure you extract it using the same folder name and keep it safely in another folder, so you don't delete it by mistake. The extracted folder will be needed to keep your SAML Message Decoder extension running.

Step 3: Open Chrome Extension Setting Page

In the address bar of Google Chrome, type chrome://extensions and open the Chrome Extension Page.

Step 4: Enable Developer Mode

After opening the Chrome Extension page, look at the top right side, and you will find the toggle option of "Developer mode."Simply enable that developer mode option.

Step 5: Load the Unpacked Extension

Once you enable the developer mode option, you will see the menu of Load Unpacked, Pack Extensions and Update. From that, select the option "Load unpacked."

Step 6: Select the Extension Folder

Once the pop-up opens upon clicking Load unpacked, select the SAML Message Decoder extension directory and click on the "Select Folder "button.

Step 7: Confirm and Install

After you select an extension folder of a Google Chrome extension you're installing manually, confirm its installation for the final time and let the installation complete.

Conclusion

Here we've made a step-by-step guide on How to manually install SAML Message Decoder extension in 2 ways. We hope this guide proves helpful.

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User reviews

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Jonathan Tien (ID: 0000006165edb609) Voted 5 ★ - Updated 08/08/2023 Does what it says on the tin and has helped me many a time fix issues. Awesome.

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Shiva A (ID: 00000060f28953dc) Voted 1 ★ - Updated 07/06/2022 Never worked for me. Always says, "Once any SAML messages are spotted they will be listed here instead of this image.".

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Jay M (ID: 00000096bcd92be9) Voted 1 ★ - Updated 06/12/2021 No where near as good as SAML panel extention. Much lagier, harder to see text and doesn't show the full SAML

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Florin Patitu (ID: 00000015ae3cbe66) Voted 5 ★ - Updated 04/18/2019 Very useful tool to troubleshoot SSO with Chrome, thank you!

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Jeff Musser (ID: 000000471e5b6cc5) Voted 5 ★ - Updated 10/25/2018 So simple and works well. Highly recommend if you are trying to debug SAML connections.