Authorization through setRequestHeader

Question

I found this code which makes it possible to authenticate using setRequestheader and Ajax.

this.xmlDoc.setRequestHeader('Authorization','Basic ' + Base64.encode("User:Password"));

Unfortunatily I have no knowledge of Ajax and Base64 does not seem to be class or method I can reference. Is there an alternative for this Basic encryption? Or a simular encode function I can call from Javascript?

Thank you !

What kind of request are you trying to authorize? The code sample you gave adds authorization to an xmlhttprequest, is that what you're doing? — just.another.programmer, Jul 20 '12 at 11:02
Yes, sorry for not specifying. this.xmlDoc=!_isIE&&window.XMLHttpRequest?new XMLHttpRequest:new ActiveXObject("Microsoft.XMLHTTP"); — Anonymoose, Jul 20 '12 at 11:05
@user1365889 You could google [javascript base64 encode](http://www.google.com/?q=javascript+base64+encode) which is what all the answers you get will have done — Esailija, Jul 20 '12 at 11:13

score 2 · Accepted Answer · edited May 23 '17 at 11:44

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You need a function to Base64 encode the User:Password string. See this question which gives a couple of good options to do this in javascript.

edited May 23 '17 at 11:44

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answered Jul 20 '12 at 11:14

just.another.programmer

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Is there an option of not using any encryption at all? – Anonymoose Jul 20 '12 at 11:17
Base64 is not an encryption, it's an encoding. It's used (among other reasons) to reduce the size of the string when you send it over the network. – just.another.programmer Jul 20 '12 at 11:19
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@just.another.programmer base64 increases the size of any string by 33%. So that's pretty wrong. – Esailija Jul 20 '12 at 11:25
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It's for representing binary data with safe ascii characters – Esailija Jul 20 '12 at 11:28

Authorization through setRequestHeader

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