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Copy pathcookiejar.js
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281 lines (262 loc) · 9.98 KB
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/* jshint node: true */
(function () {
"use strict";
function CookieAccessInfo(domain, path, secure, script) {
if (this instanceof CookieAccessInfo) {
this.domain = domain || undefined;
this.path = path || "/";
this.secure = !!secure;
this.script = !!script;
return this;
}
return new CookieAccessInfo(domain, path, secure, script);
}
CookieAccessInfo.All = Object.freeze(Object.create(null));
exports.CookieAccessInfo = CookieAccessInfo;
function Cookie(cookiestr, request_domain, request_path) {
if (cookiestr instanceof Cookie) {
return cookiestr;
}
if (this instanceof Cookie) {
this.name = null;
this.value = null;
this.expiration_date = Infinity;
this.path = String(request_path || "/");
this.explicit_path = false;
this.domain = request_domain || null;
this.explicit_domain = false;
this.secure = false; //how to define default?
this.noscript = false; //httponly
if (cookiestr) {
this.parse(cookiestr, request_domain, request_path);
}
return this;
}
return new Cookie(cookiestr, request_domain, request_path);
}
exports.Cookie = Cookie;
Cookie.prototype.toString = function toString() {
var str = [this.name + "=" + this.value];
if (this.expiration_date !== Infinity) {
str.push("expires=" + (new Date(this.expiration_date)).toGMTString());
}
if (this.domain) {
str.push("domain=" + this.domain);
}
if (this.path) {
str.push("path=" + this.path);
}
if (this.secure) {
str.push("secure");
}
if (this.noscript) {
str.push("httponly");
}
return str.join("; ");
};
Cookie.prototype.toValueString = function toValueString() {
return this.name + "=" + this.value;
};
var cookie_str_splitter = /[:](?=\s*[a-zA-Z0-9_\-]+\s*[=])/g;
Cookie.prototype.parse = function parse(str, request_domain, request_path) {
if (this instanceof Cookie) {
if ( str.length > 32768 ) {
console.warn("Cookie too long for parsing (>32768 characters)");
return;
}
var parts = str.split(";").filter(function (value) {
return !!value;
});
var i;
var pair = parts[0].match(/([^=]+)=([\s\S]*)/);
if (!pair) {
console.warn("Invalid cookie header encountered. Header: '"+str+"'");
return;
}
var key = pair[1];
var value = pair[2];
if ( typeof key !== 'string' || key.length === 0 || typeof value !== 'string' ) {
console.warn("Unable to extract values from cookie header. Cookie: '"+str+"'");
return;
}
this.name = key;
this.value = value;
for (i = 1; i < parts.length; i += 1) {
pair = parts[i].match(/([^=]+)(?:=([\s\S]*))?/);
key = pair[1].trim().toLowerCase();
value = pair[2];
switch (key) {
case "httponly":
this.noscript = true;
break;
case "expires":
this.expiration_date = value ?
Number(Date.parse(value)) :
Infinity;
break;
case "path":
this.path = value ?
value.trim() :
"";
this.explicit_path = true;
break;
case "domain":
this.domain = value ?
value.trim() :
"";
this.explicit_domain = !!this.domain;
break;
case "secure":
this.secure = true;
break;
}
}
if (!this.explicit_path) {
this.path = request_path || "/";
}
if (!this.explicit_domain) {
this.domain = request_domain;
}
return this;
}
return new Cookie().parse(str, request_domain, request_path);
};
Cookie.prototype.matches = function matches(access_info) {
if (access_info === CookieAccessInfo.All) {
return true;
}
if (this.noscript && access_info.script ||
this.secure && !access_info.secure ||
!this.collidesWith(access_info)) {
return false;
}
return true;
};
Cookie.prototype.collidesWith = function collidesWith(access_info) {
if ((this.path && !access_info.path) || (this.domain && !access_info.domain)) {
return false;
}
if (this.path && access_info.path.indexOf(this.path) !== 0) {
return false;
}
if (this.explicit_path && access_info.path.indexOf( this.path ) !== 0) {
return false;
}
var access_domain = access_info.domain && access_info.domain.replace(/^[\.]/,'');
var cookie_domain = this.domain && this.domain.replace(/^[\.]/,'');
if (cookie_domain === access_domain) {
return true;
}
if (cookie_domain) {
if (!this.explicit_domain) {
return false; // we already checked if the domains were exactly the same
}
var wildcard = access_domain.indexOf(cookie_domain);
if (wildcard === -1 || wildcard !== access_domain.length - cookie_domain.length) {
return false;
}
return true;
}
return true;
};
function CookieJar() {
var cookies, cookies_list, collidable_cookie;
if (this instanceof CookieJar) {
cookies = Object.create(null); //name: [Cookie]
this.setCookie = function setCookie(cookie, request_domain, request_path) {
var remove, i;
cookie = new Cookie(cookie, request_domain, request_path);
//Delete the cookie if the set is past the current time
remove = cookie.expiration_date <= Date.now();
if (cookies[cookie.name] !== undefined) {
cookies_list = cookies[cookie.name];
for (i = 0; i < cookies_list.length; i += 1) {
collidable_cookie = cookies_list[i];
if (collidable_cookie.collidesWith(cookie)) {
if (remove) {
cookies_list.splice(i, 1);
if (cookies_list.length === 0) {
delete cookies[cookie.name];
}
return false;
}
cookies_list[i] = cookie;
return cookie;
}
}
if (remove) {
return false;
}
cookies_list.push(cookie);
return cookie;
}
if (remove) {
return false;
}
cookies[cookie.name] = [cookie];
return cookies[cookie.name];
};
//returns a cookie
this.getCookie = function getCookie(cookie_name, access_info) {
var cookie, i;
cookies_list = cookies[cookie_name];
if (!cookies_list) {
return;
}
for (i = 0; i < cookies_list.length; i += 1) {
cookie = cookies_list[i];
if (cookie.expiration_date <= Date.now()) {
if (cookies_list.length === 0) {
delete cookies[cookie.name];
}
continue;
}
if (cookie.matches(access_info)) {
return cookie;
}
}
};
//returns a list of cookies
this.getCookies = function getCookies(access_info) {
var matches = [], cookie_name, cookie;
for (cookie_name in cookies) {
cookie = this.getCookie(cookie_name, access_info);
if (cookie) {
matches.push(cookie);
}
}
matches.toString = function toString() {
return matches.join(":");
};
matches.toValueString = function toValueString() {
return matches.map(function (c) {
return c.toValueString();
}).join('; ');
};
return matches;
};
return this;
}
return new CookieJar();
}
exports.CookieJar = CookieJar;
//returns list of cookies that were set correctly. Cookies that are expired and removed are not returned.
CookieJar.prototype.setCookies = function setCookies(cookies, request_domain, request_path) {
cookies = Array.isArray(cookies) ?
cookies :
cookies.split(cookie_str_splitter);
var successful = [],
i,
cookie;
cookies = cookies.map(function(item){
return new Cookie(item, request_domain, request_path);
});
for (i = 0; i < cookies.length; i += 1) {
cookie = cookies[i];
if (this.setCookie(cookie, request_domain, request_path)) {
successful.push(cookie);
}
}
return successful;
};
}());