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magic.lambda.mime 17.2.0

magic.lambda.mime - Creating and parsing MIME messages from Hyperlambda

magic.lambda.mime gives you the ability to parse and create MIME messages from Hyperlambda. This project contains the following slots.

• [mime.parse] - Parses a MIME message, and returns it as a lambda object
• [mime.create] - Creates a MIME message for you, and returns the entire message as text, being the MIME entity
• [.mime.parse] - Parses a native MimeEntity for you, and returns it as a lambda object (not for usage directly from Hyperlambda code)
• [.mime.create] - Creates a MIME message for you, and returns it as a native MimeEntity object (not for usage directly from Hyperlambda code)

How to use [mime.parse]

Below is an example of how parsing a MIME message might look like using [mime.parse].

// Actual message
.msg:"Content-Type: multipart/mixed; boundary=\"=-3O9TzEjuVDwt7d5uGDkV/Q==\"\n\n--=-3O9TzEjuVDwt7d5uGDkV/Q==\nContent-Type: text/plain\nContent-Disposition: attachment; filename=README.md\n\n# Your dynamic files folder\n\nSome README.md file\n\n--=-3O9TzEjuVDwt7d5uGDkV/Q==\nContent-Type: text/plain\n\nBar\n--=-3O9TzEjuVDwt7d5uGDkV/Q==--\n"

// Parsing the above message
mime.parse:x:@.msg

After evaluating the above, you'll end up with something resembling the following.

mime.parse:multipart/mixed
 entity:text/plain
 headers
 Content-Disposition:attachment; filename=README.md
 content:"# Your dynamic files folder\n\nSome README.md file\n"
 entity:text/plain
 content:Bar

Notice how the slot creates a tree structure, perfectly resembling your original MIME message. It will also take care of MIME headers for you, adding these into a [headers] collection, on a per MIME entity basis, depending upon whether or not your message actually contains headers or not.

How to use [mime.create]

The [mime.create] slot is logically the exact opposite of the [mime.parse] slot, and can take (almost) the exact same input as its sibling produces as output. Below is an example.

mime.create:multipart/mixed
 structured:false

 entity:text/plain
 content:this is the body text
 
 entity:text/plain
 content:this is another body text

Which of course wil result in something resembling the following after evaluation.

mime.create:"Content-Type: multipart/mixed; boundary=\"=-7+NI+p6PuOyQUzW5ihnXvw==\"\n\n--=-7+NI+p6PuOyQUzW5ihnXvw==\nContent-Type: text/plain\n\nthis is the body text\n--=-7+NI+p6PuOyQUzW5ihnXvw==\nContent-Type: text/plain\n\nthis is another body text\n--=-7+NI+p6PuOyQUzW5ihnXvw==--\n"

Notice - If you set its [structured] argument to boolean true, the slot will return the MIME envelope headers for the outermost MIME entity "detached" from the rest of the message. This is useful when you for some reasons don't want the headers for the outermost entity to be a part of the actual message, such as for instance when creating multipart/form-data types of messages you need to transmit to some HTTP endpoint. If you do this, the return after executing the slot will resemble the following.

mime.create
 Content-Type:"multipart/mixed; boundary=\"=-EbMBZ3eHrSrMqtB2KHSv+A==\""
 content:"--=-EbMBZ3eHrSrMqtB2KHSv+A==\nContent-Type: text/plain\n\nthis is the body text\n--=-EbMBZ3eHrSrMqtB2KHSv+A==\nContent-Type: text/plain\n\nthis is another body text\n--=-EbMBZ3eHrSrMqtB2KHSv+A==--\n"

Magic's GitHub project page

Magic is 100% Open Source and you can find the primary project GitHub page here.

Project website for magic.lambda.mime

The source code for this repository can be found at github.com/polterguy/magic.lambda.mime, and you can provide feedback, provide bug reports, etc at the same place.

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Copyright and maintenance

The projects is copyright Thomas Hansen 2023 - 2024, and professionally maintained by AINIRO.IO.