Add <!doctype html> to /tpl/page.html
#59
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These headers add two security layers against MITM and XSRF attacks, respectively. Since security is a major feature of this project, they should not be ignored. * Adding the `Strict-Transport-Security` header, you locks the traffic on https protocol for a day (86400 seconds). If the server is not https-capable, this security layer is simply ignored by browser. See: https://developer.mozilla.org/en-US/docs/Security/HTTP_Strict_Transport_Security * Adding the `Content-Security-Policy` header, you forbid the browser to load scripts from another domain. This help to address tricky code injections (e.g. unicode tag attributes bypass or `javascript:` URI in users comments). See: https://developer.mozilla.org/en-US/docs/Security/CSP/CSP_policy_directives#script-src For paranoid people, you should even use `header("Content-Security-Policy: default-src 'self'");` to prevent anything to be loaded except for the very server which run ZeroBin.
Add doctype and alt attributes on images so that ZeroBin produce valid HTML5
Same as #70 Adding the `Strict-Transport-Security` header, you locks the traffic on https protocol for a day (86400 seconds). If the server is not https-capable, this security layer is simply ignored by browser. See: https://developer.mozilla.org/en-US/docs/Security/HTTP_Strict_Transport_ Security
Adding the `Content-Security-Policy` header, you forbid the browser to load scripts from another domain. This help to address tricky code injections (e.g. unicode tag attributes bypass or `javascript:` URI in users comments). See: https://developer.mozilla.org/en-US/docs/Security/CSP/CSP_policy_directi ves#script-src For paranoid people, you should even use `header("Content-Security-Policy: default-src 'self'");` to prevent anything to be loaded except for the very server which run ZeroBin.
Up-to-date syntax: https://developer.mozilla.org/en-US/docs/Web/CSS/linear-gradient https://developer.mozilla.org/en-US/docs/Web/CSS/box-shadow https://developer.mozilla.org/en-US/docs/Web/CSS/border-radius Overall support: 100% of updated browsers, and 73-82% of all browsers: http://caniuse.com/border-radius http://caniuse.com/css-boxshadow http://caniuse.com/css-gradients Bonus: * strip all line-ending spaces (invisible and useless) * put everything in lowercase (no compatibility break reported, but gzip compression efficiency increased by 3%)
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A first step toward Zerobin HTML5 validation (see issue #18 ). It also speeds up rendering a little bit, because the browser knows which kind of html he's parsing.