changeset 78:f833a888c548

add cookie-based PIN system, and update laterlinks to use it
author paulo
date Thu, 02 Jun 2016 00:27:50 -0700
parents 6ede61cb9d12
children 01cf0e93c914
files cs/cookies.js cs/index.html laterlinks2/laterlinks_app.py laterlinks2/pinlib.py
diffstat 4 files changed, 183 insertions(+), 18 deletions(-) [+]
line diff
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/cs/cookies.js	Thu Jun 02 00:27:50 2016 -0700
     1.3 @@ -0,0 +1,63 @@
     1.4 +/*\
     1.5 +|*|
     1.6 +|*|  :: cookies.js ::
     1.7 +|*|
     1.8 +|*|  A complete cookies reader/writer framework with full unicode support.
     1.9 +|*|
    1.10 +|*|  Revision #1 - September 4, 2014
    1.11 +|*|
    1.12 +|*|  https://developer.mozilla.org/en-US/docs/Web/API/document.cookie
    1.13 +|*|  https://developer.mozilla.org/User:fusionchess
    1.14 +|*|
    1.15 +|*|  This framework is released under the GNU Public License, version 3 or later.
    1.16 +|*|  http://www.gnu.org/licenses/gpl-3.0-standalone.html
    1.17 +|*|
    1.18 +|*|  Syntaxes:
    1.19 +|*|
    1.20 +|*|  * docCookies.setItem(name, value[, end[, path[, domain[, secure]]]])
    1.21 +|*|  * docCookies.getItem(name)
    1.22 +|*|  * docCookies.removeItem(name[, path[, domain]])
    1.23 +|*|  * docCookies.hasItem(name)
    1.24 +|*|  * docCookies.keys()
    1.25 +|*|
    1.26 +\*/
    1.27 +
    1.28 +var docCookies = {
    1.29 +  getItem: function (sKey) {
    1.30 +    if (!sKey) { return null; }
    1.31 +    return decodeURIComponent(document.cookie.replace(new RegExp("(?:(?:^|.*;)\\s*" + encodeURIComponent(sKey).replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=\\s*([^;]*).*$)|^.*$"), "$1")) || null;
    1.32 +  },
    1.33 +  setItem: function (sKey, sValue, vEnd, sPath, sDomain, bSecure) {
    1.34 +    if (!sKey || /^(?:expires|max\-age|path|domain|secure)$/i.test(sKey)) { return false; }
    1.35 +    var sExpires = "";
    1.36 +    if (vEnd) {
    1.37 +      switch (vEnd.constructor) {
    1.38 +        case Number:
    1.39 +          sExpires = vEnd === Infinity ? "; expires=Fri, 31 Dec 9999 23:59:59 GMT" : "; max-age=" + vEnd;
    1.40 +          break;
    1.41 +        case String:
    1.42 +          sExpires = "; expires=" + vEnd;
    1.43 +          break;
    1.44 +        case Date:
    1.45 +          sExpires = "; expires=" + vEnd.toUTCString();
    1.46 +          break;
    1.47 +      }
    1.48 +    }
    1.49 +    document.cookie = encodeURIComponent(sKey) + "=" + encodeURIComponent(sValue) + sExpires + (sDomain ? "; domain=" + sDomain : "") + (sPath ? "; path=" + sPath : "") + (bSecure ? "; secure" : "");
    1.50 +    return true;
    1.51 +  },
    1.52 +  removeItem: function (sKey, sPath, sDomain) {
    1.53 +    if (!this.hasItem(sKey)) { return false; }
    1.54 +    document.cookie = encodeURIComponent(sKey) + "=; expires=Thu, 01 Jan 1970 00:00:00 GMT" + (sDomain ? "; domain=" + sDomain : "") + (sPath ? "; path=" + sPath : "");
    1.55 +    return true;
    1.56 +  },
    1.57 +  hasItem: function (sKey) {
    1.58 +    if (!sKey) { return false; }
    1.59 +    return (new RegExp("(?:^|;\\s*)" + encodeURIComponent(sKey).replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=")).test(document.cookie);
    1.60 +  },
    1.61 +  keys: function () {
    1.62 +    var aKeys = document.cookie.replace(/((?:^|\s*;)[^\=]+)(?=;|$)|^\s*|\s*(?:\=[^;]*)?(?:\1|$)/g, "").split(/\s*(?:\=[^;]*)?;\s*/);
    1.63 +    for (var nLen = aKeys.length, nIdx = 0; nIdx < nLen; nIdx++) { aKeys[nIdx] = decodeURIComponent(aKeys[nIdx]); }
    1.64 +    return aKeys;
    1.65 +  }
    1.66 +};
     2.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     2.2 +++ b/cs/index.html	Thu Jun 02 00:27:50 2016 -0700
     2.3 @@ -0,0 +1,74 @@
     2.4 +<html>
     2.5 +<head>
     2.6 +<link rel="stylesheet" type="text/css" href="index.css">
     2.7 +<script type="text/javascript" src="cookies.js"></script>
     2.8 +</head>
     2.9 +
    2.10 +<body>
    2.11 +<h1>Cookies set</h1>
    2.12 +<div id="set_cookies"></div>
    2.13 +<div>
    2.14 +	<input id="set_k">
    2.15 +	<input type="password" id="set_v">
    2.16 +	<input type="button" value="Set" onclick="set()">
    2.17 +</div>
    2.18 +</body>
    2.19 +<script type="text/javascript">
    2.20 +var setCookiesDiv = document.getElementById("set_cookies");
    2.21 +var setK = document.getElementById("set_k");
    2.22 +var setV = document.getElementById("set_v");
    2.23 +
    2.24 +function addSetCookie(k, v) {
    2.25 +	var d = document.createElement("div");
    2.26 +
    2.27 +	var kInput = document.createElement("input");
    2.28 +	kInput.disabled = true;
    2.29 +	kInput.value = k;
    2.30 +
    2.31 +	var vInput = document.createElement("input");
    2.32 +	vInput.type = "password";
    2.33 +	vInput.disabled = true;
    2.34 +	vInput.value = v;
    2.35 +
    2.36 +	var unset = document.createElement("input");
    2.37 +	unset.type = "button";
    2.38 +	unset.value = "Unset";
    2.39 +	unset.onclick = function() {
    2.40 +		docCookies.removeItem(k);
    2.41 +		setCookiesDiv.removeChild(d);
    2.42 +	};
    2.43 +
    2.44 +	d.appendChild(kInput);
    2.45 +	d.appendChild(vInput);
    2.46 +	d.appendChild(unset);
    2.47 +
    2.48 +	setCookiesDiv.appendChild(d);
    2.49 +}
    2.50 +
    2.51 +function clear() {
    2.52 +	while (setCookiesDiv.firstChild) {
    2.53 +		setCookiesDiv.removeChild(setCookiesDiv.firstChild);
    2.54 +	}
    2.55 +}
    2.56 +
    2.57 +function load() {
    2.58 +	clear();
    2.59 +	for (var i=0; i<docCookies.keys().length; i++) {
    2.60 +		var k = docCookies.keys()[i];
    2.61 +		if (docCookies.hasItem(k)) {
    2.62 +			var v = docCookies.getItem(k);
    2.63 +			addSetCookie(k, v);
    2.64 +		}
    2.65 +	}
    2.66 +}
    2.67 +
    2.68 +function set() {
    2.69 +	docCookies.setItem(setK.value, setV.value, 600);
    2.70 +	setK.value = "";
    2.71 +	setV.value = "";
    2.72 +	load();
    2.73 +}
    2.74 +
    2.75 +load();
    2.76 +</script>
    2.77 +</html>
     3.1 --- a/laterlinks2/laterlinks_app.py	Tue May 31 23:40:17 2016 -0600
     3.2 +++ b/laterlinks2/laterlinks_app.py	Thu Jun 02 00:27:50 2016 -0700
     3.3 @@ -6,10 +6,11 @@
     3.4  
     3.5  import html
     3.6  
     3.7 +import pinlib
     3.8 +
     3.9  
    3.10  DEBUG = True
    3.11  STRTIME_FMT = "%Y-%m-%d %H:%M:%S"
    3.12 -MY_PIN = "qworpy"
    3.13  
    3.14  
    3.15  class LLDialect(csv.Dialect):
    3.16 @@ -79,24 +80,17 @@
    3.17  	return urlparse.parse_qs(environ["wsgi.input"].read())
    3.18  
    3.19  
    3.20 -def get_pin(inp):
    3.21 -	if "pin" not in inp:
    3.22 -		raise PinFailError()
    3.23 -
    3.24 -	pin = inp["pin"][0]
    3.25 -	if pin != MY_PIN:
    3.26 -		raise PinFailError()
    3.27 -
    3.28 -	return pin
    3.29 -
    3.30  
    3.31  def main(environ):
    3.32 -	pin = '' 
    3.33  	is_post = (environ["REQUEST_METHOD"] == "POST")
    3.34 +	cookies = pinlib.parse_cookies(environ)
    3.35  	inp = parse_wsgi_input(environ)
    3.36  
    3.37  	if is_post:
    3.38 -		pin = get_pin(inp)
    3.39 +		try:
    3.40 +			pinlib.check(cookies)
    3.41 +		except pinlib.PinFailError:
    3.42 +			raise PinFailError
    3.43  		if inp["submit"][0] == "Add":
    3.44  			lldb_add(inp)
    3.45  		elif inp["submit"][0] == "Delete":
    3.46 @@ -118,7 +112,8 @@
    3.47  		for i in environ.items():
    3.48  			debug += cgi.escape("%s = %s \n" % i)
    3.49  
    3.50 -		debug += cgi.escape("wsgi.input.read = %s" % inp)
    3.51 +		debug += cgi.escape("wsgi.input.read = %s \n" % inp)
    3.52 +		debug += cgi.escape("cookies = %s \n" % cookies)
    3.53  
    3.54  	form = body.form(action="index.fcgi", method="post")
    3.55  
    3.56 @@ -142,9 +137,6 @@
    3.57  	p1.br
    3.58  	p1.input(type="submit", name="submit", value="Add")
    3.59  
    3.60 -	p2 = form.p
    3.61 -	p2.input(type="password", name="pin", value=pin)
    3.62 -
    3.63  	return unicode(root).encode("utf-8")
    3.64  
    3.65  
    3.66 @@ -154,7 +146,7 @@
    3.67  
    3.68  	try:
    3.69  		response_body = main(environ)
    3.70 -	        response_code = "200 OK"
    3.71 +		response_code = "200 OK"
    3.72  		response_type = "text/html; charset=UTF-8"
    3.73  	except LLError as e:
    3.74  		response_body = str(e)
     4.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     4.2 +++ b/laterlinks2/pinlib.py	Thu Jun 02 00:27:50 2016 -0700
     4.3 @@ -0,0 +1,36 @@
     4.4 +import urlparse
     4.5 +
     4.6 +
     4.7 +PIN_KEY = "llpin"
     4.8 +PIN_FN = "_%s" % PIN_KEY
     4.9 +
    4.10 +
    4.11 +class PinFailError(Exception):
    4.12 +	pass
    4.13 +
    4.14 +
    4.15 +def load():
    4.16 +	ret = None
    4.17 +
    4.18 +	try:
    4.19 +		with open(PIN_FN) as pin_f:
    4.20 +			ret = pin_f.read().strip()
    4.21 +	except IOError:
    4.22 +		pass
    4.23 +
    4.24 +	return ret
    4.25 +
    4.26 +
    4.27 +def parse_cookies(environ):
    4.28 +	return urlparse.parse_qs(environ.get("HTTP_COOKIE", ""))
    4.29 +
    4.30 +
    4.31 +def check(cookies):
    4.32 +	if PIN_KEY not in cookies:
    4.33 +		raise PinFailError()
    4.34 +
    4.35 +	pin = cookies[PIN_KEY][0]
    4.36 +	if pin != load():
    4.37 +		raise PinFailError()
    4.38 +
    4.39 +	return pin