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Code Issues Releases Wiki Activity

Add docs about using Basic Authentication in HTTP requests

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Jeremy Ruston 2024-03-27 08:35:56 +00:00
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commit e02cafb938
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editions/tw5.com/tiddlers/messages/WidgetMessage_ tm-http-request Example Basic Authentication.tid Normal file
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title: WidgetMessage: tm-http-request Example - Basic Authentication
tags: $:/tags/Global
!! HTTP Basic Authentication
[[HTTP Basic Authentication|https://en.wikipedia.org/wiki/Basic_access_authentication]] is a simple scheme for HTTP clients pass a username and password to an HTTP server.
The credentials are passed via the "Authorization" header as the string "Basic " (note the space) followed by the base64-encoded username and password joined with a colon.
Here is a simple, illustrative example:
```
\procedure get-tiddler-list-from-tiddlywiki-server(url,username,password)
\procedure completion-get-json()
\import [subfilter{$:/core/config/GlobalImportFilter}]
<$action-log msg="In completion-get-json"/>
<$action-log/>
\end completion-get-json
<$action-sendmessage
$message="tm-http-request"
url=<<url>>
method="GET"
header-Authorization={{{ [<username>addsuffix[:]addsuffix<password>encodebase64[]addprefix[Basic ]] }}}
oncompletion=<<completion-get-json>>
/>
\end get-tiddler-list-from-tiddlywiki-server
<$button>
<<get-tiddler-list-from-tiddlywiki-server url:"http://127.0.0.1:8080" username:"Joe" password:"Bloggs">>
Download
</$button>
```