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Prevent unmodified msg.headers from breaking HTTP Request flows

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Closed #1015
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Nick O'Leary
2017-06-27 11:23:13 +01:00
parent 6562c558de
commit c9317659c5
5 changed files with 87 additions and 15 deletions
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nodes/core/io/21-httprequest.html
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@@ -108,6 +108,12 @@
<code>example.com/{{{topic}}}</code>, it will have the value of <code>msg.topic</code> automatically inserted.
Using {{{...}}} prevents mustache from escaping characters like / & etc.</p>
<p><b>Note</b>: If running behind a proxy, the standard <code>http_proxy=...</code> environment variable should be set and Node-RED restarted.</p>
<h4>Using multiple HTTP Request nodes</h4>
<p>In order to use more than one of these nodes in the same flow, care must be taken with
the <code>msg.headers</code> property. The first node will set this property with
the response headers. The next node will then use those headers for its request - this
is not usually the right thing to do. The <code>msg.headers</code> property <b>must</b>
be deleted with a <b>change</b> node in order for the requests to work as expected.</p>
<h4>Cookie handling</h4>
<p>The <code>cookies</code> property passed to the node must be an object of name/value pairs.
The value can be either a string to set the value of the cookie or it can be an