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Text.EncodeToBase64URL

Encode a base64 URL string.

Parameters

Parameter	Description	Example	Flags
text	The text to process.	"Hello World"
encoding	The text encoding for text parameter. Default is native.	"UTF-8"	Optional

Result

Returns encoded text.

Description

Examples

Encode Base64 as UTF-8:

MBS( "Text.EncodeToBase64URL"; "Hello World"; "utf8" )

Example result: "SGVsbG8gV29ybGQ"

Encode with/without URL option:

MBS( "Text.EncodeToBase64URL"; "Hello World? öäü"; "UTF-8" ) & ¶ &
MBS( "Text.EncodeToBase64"; "Hello World? öäü"; "UTF-8" )

Calculate a JSON Web Token (JWT) in FileMaker:

Let ( [
secret = "secretkey";
header = JWT RS256::Header;
payload = JWT RS256::Payload;
encodedString = MBS( "Text.EncodeToBase64URL"; header; "UTF-8" ) & "." & MBS( "Text.EncodeToBase64URL"; payload; "UTF-8" );

// calculate hash
hash = MBS( "RSA.Sign"; "SHA256";
"Text"; encodedString; "UTF-8";
"Text"; JWT RS256::Key; "UTF-8";
"text"; JWT RS256::Password; "UTF-8";
"base64url"; "");

// and built final result:
result = encodedString & "." & hash
]; result )

See also

• Hash.SHA256.HMAC
• RSA.Sign
• Text.DecodeFromBase64URL
• Text.EncodeHexToBase64
• Text.EncodeToBase64

Example Databases

• Encryption and Hash/JWT RS256

Blog Entries

• JWT RS256 authentication in FileMaker
• Comparing Base Elements Plugin to MBS FileMaker Plugin

Created 21st October 2017, last changed 27th May 2020

Text.EncodeToBase64   -   Text.EncodeToBytes

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