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entropy check code in web2py.js, thanks Niphlod

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This commit is contained in:
mdipierro
2012-09-23 14:07:50 -05:00
parent 4d6598c645
commit 69a2e76c3c
6 changed files with 142 additions and 135 deletions
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applications/examples/static/js/web2py.js
+43 -13
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@@ -39,7 +39,7 @@ function web2py_ajax_init(target) {
function web2py_event_handlers() {
var doc = jQuery(document)
doc.on('click', '.flash', function(e){jQuery(this).fadeOut('slow'); e.preventDefault();});
doc.on('click', '.flash', function(e){var t=jQuery(this); if(t.css('top')=='0px') t.slideUp('slow'); else t.fadeOut(); e.preventDefault();});
doc.on('keyup', 'input.integer', function(){this.value=this.value.reverse().replace(/[^0-9\-]|\-(?=.)/g,'').reverse();});
doc.on('keyup', 'input.double, input.decimal', function(){this.value=this.value.reverse().replace(/[^0-9\-\.,]|[\-](?=.)|[\.,](?=[0-9]*[\.,])/g,'').reverse();});
var confirm_message = (typeof w2p_ajax_confirm_message != 'undefined') ? w2p_ajax_confirm_message : "Are you sure you want to delete this object?";
@@ -55,7 +55,7 @@ function web2py_event_handlers() {
jQuery(function() {
var flash = jQuery('.flash');
flash.hide();
if(flash.html()) flash.slideDown();
if(flash.html()) flash.append('<span style="float:right;">&times;</span>').slideDown();
web2py_ajax_init(document);
web2py_event_handlers();
});
@@ -67,20 +67,20 @@ function web2py_trap_form(action,target) {
form.submit(function(e){
jQuery('.flash').hide().html('');
web2py_ajax_page('post',action,form.serialize(),target);
e.preventDefault();
e.preventDefault();
});
});
}
function web2py_trap_link(target) {
jQuery('#'+target+' a.w2p_trap').each(function(i){
var link=jQuery(this);
link.click(function(e) {
jQuery('.flash').hide().html('');
web2py_ajax_page('get',link.attr('href'),[],target);
e.preventDefault();
});
});
var link=jQuery(this);
link.click(function(e) {
jQuery('.flash').hide().html('');
web2py_ajax_page('get',link.attr('href'),[],target);
e.preventDefault();
});
});
}
function web2py_ajax_page(method, action, data, target) {
@@ -101,9 +101,9 @@ function web2py_ajax_page(method, action, data, target) {
web2py_trap_link(target);
web2py_ajax_init('#'+target);
if(command)
eval(decodeURIComponent(command));
eval(decodeURIComponent(command));
if(flash)
jQuery('.flash').html(decodeURIComponent(flash)).slideDown();
jQuery('.flash').html(decodeURIComponent(flash)).slideDown();
}
});
}
@@ -151,7 +151,7 @@ function web2py_component(action, target, timeout, times){
}
} else {
// run once (no timeout specified)
element.reload_counter = Infinity;
element.reload_counter = Infinity;
web2py_ajax_page('get', action, null, target);
} }); }
@@ -165,3 +165,33 @@ function web2py_comet(url,onmessage,onopen,onclose) {
} else return false; // not supported
}
function web2py_calc_entropy(mystring) {
//calculate a simple entropy for a given string
var csets = new Array(
'abcdefghijklmnopqrstuvwxyz', 'ABCDEFGHIJKLMNOPQRSTUVWXYZ',
'0123456789', '!@#$\%^&*()', '~`-_=+[]{}\|;:\'",.<>?/',
'0123456789abcdefghijklmnopqrstuvwxyz');
var score = 0, other = {}, seen = {}, lastset = null, mystringlist = mystring.split('');
for (var i=0;i<mystringlist.length;i++) { // classify this character
var c = mystringlist[i], inset=5;
for(var j = 0; j<csets.length; j++)
if (csets[j].indexOf(c) != -1) {inset = j; break;}
//calculate effect of character on alphabet size
if(!(inset in seen)) {seen[inset] = 1;score += csets[inset].length;}
else if (!(c in other)) {score += 1;other[c] = 1;}
if (inset != lastset) {score += 1;lastset = inset;}
}
var entropy = mystring.length*Math.log(score)/0.6931471805599453;
return Math.round(entropy*100)/100
}
function web2py_validate_entropy(myfield, req_entropy) {
var validator = function () {
var v = (web2py_calc_entropy(myfield.val())||0)/req_entropy;
var color ='#'+Math.round(((v<1)?1.0-v:0)*15).toString(16)+Math.round(((v<1)?v:0)*15).toString(16)+Math.round(((v<1)?0:1)*15).toString(16);
myfield.css('background-color',color);
}
if(myfield.attr('entropy_check')!=true) myfield.on('keyup', validator).on('keydown', validator).attr('entropy_check',true);
}