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How to read file attachments from Microsoft Outlook Connector webhook

  • 18 April 2023
  • 8 replies
  • 569 views

From Microsoft Outlook Email Connector webhook , we are getting file attachments as below in JSON body result.

Please help in how to read the “hydrate” content type , how to decode and how to download attachments ?

 

files:    hydrate|||.eJx1jkFPg0AQhf_LnInBwlog8QCCpE1BUWyVC6HLVrbAbssuNrThv7vUXp3LJO-9781cAHMmCZO5HA4EHHBBA8qELBgmOS3BMSxk3FsIaYB7IXnbC9JdDdt-mNv6TIMCY96rhpuIdDTXYEdJU-asaKfSkvzkO9oQ1V2fiu5bgHOB28Gb3hJZcVUA1VB2heSduFNPiCpoC9o89wxLypnKbXtWKkDxZHIWE-K6Ue366yrbrGmm9iqN9CytZRxGs4jq6CXM6GqzQHGY6NHsy4zTZRsnXuhex9uKY-APklhvS-OcbMxPLAPsnTzfx83--KqH7wfCvf0pTM3h448JIsX94wfrJ6OxVegRxnH8BaIFcsA:1pljxf:b9cSwgZLNZIVZA2uYM4Vo5MH0VY|||hydrate
 


 

8 replies

From Microsoft Outlook Email Connector webhook , we are getting file attachments as below in JSON body result. driver booster 10.3 key

Please help in how to read the “hydrate” content type , how to decode and how to download attachments ?

 

files:    hydrate|||.eJx1jkFPg0AQhf_LnInBwlog8QCCpE1BUWyVC6HLVrbAbssuNrThv7vUXp3LJO-9781cAHMmCZO5HA4EHHBBA8qELBgmOS3BMSxk3FsIaYB7IXnbC9JdDdt-mNv6TIMCY96rhpuIdDTXYEdJU-asaKfSkvzkO9oQ1V2fiu5bgHOB28Gb3hJZcVUA1VB2heSduFNPiCpoC9o89wxLypnKbXtWKkDxZHIWE-K6Ue366yrbrGmm9iqN9CytZRxGs4jq6CXM6GqzQHGY6NHsy4zTZRsnXuhex9uKY-APklhvS-OcbMxPLAPsnTzfx83--KqH7wfCvf0pTM3h448JIsX94wfrJ6OxVegRxnH8BaIFcsA:1pljxf:b9cSwgZLNZIVZA2uYM4Vo5MH0VY|||hydrate
 


 

 

To read and download file attachments from a Microsoft Outlook Email Connector webhook, you can follow these steps:

  1. Parse the JSON response from the webhook and extract the "hydrate" content type. This will typically be a Base64-encoded string.

  2. Decode the Base64-encoded string to retrieve the binary content of the attachment.

  3. Save the binary content to a file with the appropriate file name and extension. The file name and extension can typically be obtained from the JSON response.

If you're working with a webhook or API provided by Microsoft for handling email attachments, there should be proper documentation available on how to decode and download attachments. Here are some general steps you can follow to decode and download attachments from a webhook response:

  1. Check Documentation: Review the documentation or API reference provided by Microsoft for the Outlook Email Connector webhook. It should explain the encoding and decoding methods for handling attachments.

  2. Content-Type Identification: The "hydrate" content type might be a custom identifier, as mentioned earlier. Look for any documentation that describes the mapping of such identifiers to actual content types.

  3. Decode Base64 Content: If the attachment content is Base64 encoded, you will need to decode it first. In many cases, attachments are encoded in Base64 to safely transmit binary data in JSON or text format.

  4. Handle Encrypted Content (If Applicable): If the content is encrypted, you will need the appropriate decryption keys or methods to decrypt it before proceeding with decoding and saving the attachment.

  5. File Identification: Extract information about the file type and extension from the decoded data or attachment metadata provided by the webhook.

  6. Save the Attachment: Once the attachment is decoded and decrypted (if applicable), save it to your desired location or process it according to your application's requirements.

It doesn’t seem the attachment is base64 in this. Did anyone ever figure this out?

If you're integrating a Microsoft-provided webhook or API to manage email attachments, ensure you have access to comprehensive documentation outlining the process of decoding and downloading attachments. Here's a structured approach you can take:

  1. Review Documentation: Start by thoroughly examining the documentation or API reference provided by Microsoft for the Outlook Email Connector webhook. This documentation should elucidate the methods for encoding and decoding attachments.

  2. Identify Content-Type: "Hydrate," mentioned earlier, may serve as a unique content type identifier. Explore any accompanying documentation that outlines the mapping of such identifiers to actual content types.

  3. Decode Base Content: If the attachment content is encoded in Base, your first step is to decode it. Base encoding is often utilized to securely transmit binary data within JSON or text structures.

  4. Address Encrypted Content (if applicable): If the content is encrypted, ensure you possess the requisite decryption keys or techniques to decrypt it before proceeding with decoding and saving the attachment.

  5. File Identification: Extract pertinent details about the file type and extension from the decoded data or attachment metadata provided by the webhook.

  6. Save the Attachment: Once the attachment is decoded and, if necessary, decrypted, proceed to save it in your preferred location or process it according to your application's specifications. This step finalizes the handling of the attachment as per your application's requirements.

To read file attachments from Microsoft Outlook using a webhook, follow these steps:

1. Set Up the Webhook

You need to have a webhook that listens for incoming events from the Microsoft Graph API. Ensure that you have set up a subscription to the relevant Microsoft Graph API resources.

2. Configure the Subscription

Create a subscription to receive notifications for the specific mailbox. For example, you might want to subscribe to messages in a mailbox.

API Request Example:

 

http

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POST https://graph.microsoft.com/v1.0/subscriptions Content-Type: application/json Authorization: Bearer YOUR_ACCESS_TOKEN { "changeType": "created, updated", "notificationUrl": "https://yourdomain.com/notifications", "resource": "me/messages", "expirationDateTime": "2024-07-01T11:23:00.000Z", "clientState": "secretClientValue" }

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To read file attachments from Microsoft Outlook Connector webhook, first, ensure that your webhook is set up to handle events related to email messages. When an email with attachments arrives, the webhook payload will include metadata about the email and its attachments. You need to parse this payload to extract the attachment details, such as the file name and download URL. Use the Microsoft Graph API or a similar service to download the attachment using the provided URL.

Mcmenu: Ensure your webhook processes attachments by configuring it to handle file content and metadata accordingly.

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