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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) {
- 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;
- };
- }());
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