captcha generator for node.
Make sure you have installed Cairo first, since it is needed to generate the captcha. Then run:
$ npm install node-captcha
var captcha = require('node-captcha');
captcha(options,function(text, data){
res.end(data);
});
fileMode (default: 0)
0
: data url,1
: save to a new png file,2
: return raw png data bufferfileName (default: random)
whenfileMode == 1
, use this as the file name for the captchasaveDir (default: '__dirname')
whenfileMode == 1
, save the file in this directorysize (default: 4)
the count of generated charactersheight (default: 24)
height of imagewidth (default: height * size)
width of imagecolor (default: 'rgb(0,0,0)')
text colorbackground (default: 'rgb(255,255,255)')
background of imagelineWidth (default: 2)
text (default: null)
null
: generate random string and return callbacknoise (default: true)
false
: no noisenoiseColor (default: options.color)
Copyright ©2012-2015 zhiyu zheng all rights reserved.
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
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