// Google SSL
// Modified from SSL Certificates Pro
//z 2011-12-29 8:59 AM is2120@csdn : reader,calendar
// ==UserScript==
// @name        Google SSL
// @namespace   http://raychow.info/
// @version     2.1.2
// @description 强制 Google 使用安全连接。
//
// @include     https://www.google.com/
// @include     https://www.google.com/webhp?*
// @include     https://www.google.com/search?*

// @include     https://encrypted.google.com/
// @include     https://encrypted.google.com/webhp?*
// @include     https://encrypted.google.com/search?*

// @include     https://webcache.googleusercontent.com/search?*
//
// @include     http://www.google.com.hk/search?*
// @include     http://www.google.com/
// @include     http://www.google.com/webhp?*
// @include     http://www.google.com/search?*
//
// @include     http://www.google.com/accounts*
// @include     http://www.google.com/bookmarks*
// @include     http://www.google.com/calendar*
// @include     http://www.google.com/contacts*
// @include     http://www.google.com/dictionary*
// @include     http://www.google.com/finance*
// @include     http://www.google.com/history*
// @include     http://www.google.com/notebook*
// @include     http://www.google.com/preferences*
// @include     http://www.google.com/profiles*
// @include     http://www.google.com/reader*
// @include     http://www.google.com/webmasters/tools*
// @include     http://www.google.com/voice*
// @include     http://checkout.google.com*
// @include     http://gmail.google.com*
// @include     http://mail.google.com*
// @include     http://sites.google.com*
// @include     http://*.googleusercontent.com*
// @include     http://groups.google.com*
// @include     http://reader.google.com*
// @include     http://calendar.google.com*
// ==/UserScript==

// 如果需要指定搜索语言，请修改 defaultLanguage 变量。
// If you need to specify the language of Google Search, please modify the defaultLanguage variable.
// 示例 / Example :
// var defaultLanguage = 'zh-CN';
var defaultLanguage = 'zh-CN';

function selectNodes(query) {
    return document.evaluate (
        query,
        document,
        null,
        XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,
        null);
}

function addgbar() {
    var gog = selectNodes("//div[@id='gog']").snapshotItem(0);
  gog.innerHTML = '<div id="gbar"><nobr>' + 
    '<a href="https://encrypted.google.com/search?tab=ww" οnclick="gbar.qs(this)" class="gb1">Web</a> ' + 
    '<a href="http://www.google.com/images??tab=wi" οnclick="gbar.qs(this)" class="gb1">Images</a> ' + 
    '<a href="https://encrypted.google.com/search?tbs=vid:1&amp;tab=wv" οnclick="gbar.qs(this)" class="gb1">Videos</a> ' + 
    '<a href="http://maps.google.com/maps?tab=wl" οnclick="gbar.qs(this)" class="gb1">Maps</a> ' + 
    '<a href="https://encrypted.google.com/search?tbs=nws:1&amp;tab=wn" οnclick="gbar.qs(this)" class="gb1">News</a> ' + 
    '<a href="http://www.google.com/products?tab=wf" οnclick="gbar.qs(this)" class="gb1">Shopping</a> ' + 
    '<a href="https://mail.google.com/mail/?tab=wm" class="gb1">Gmail</a> ' + 
    '<a href="http://www.google.com/intl/en/options/" οnclick="this.blur();gbar.tg(event);return !1" aria-haspopup="true" class="gb3"><u>more</u> <small>▼</small></a>' + 
    '<div class="gbm" id="gbi">' + 
    '<a href="http://www.google.com/search?tbs=bks:1&amp;tab=wp" οnclick="gbar.qs(this)" class="gb2">Books</a> ' + 
    '<a href="https://www.google.com/finance?tab=we" οnclick="gbar.qs(this)" class="gb2">Finance</a> ' + 
    '<a href="http://translate.google.com/translate_t?tab=wT" οnclick="gbar.qs(this)" class="gb2">Translate</a> ' + 
    '<a href="http://scholar.google.com/scholar?tab=ws" οnclick="gbar.qs(this)" class="gb2">Scholar</a> ' + 
    '<a href="https://encrypted.google.com/search?tbs=blg:1&amp;tab=wb" οnclick="gbar.qs(this)" class="gb2">Blogs</a> ' + 
    '<div class="gb2"><div class="gbd"></div></div>' + 
    '<a href="http://www.youtube.com/results?tab=w1" οnclick="gbar.qs(this)" class="gb2">YouTube</a> ' + 
    '<a href="https://www.google.com/calendar/render?tab=wc" class="gb2">Calendar</a> ' + 
    '<a href="http://picasaweb.google.com/lh/view?tab=wq" οnclick="gbar.qs(this)" class="gb2">Photos</a> ' + 
    '<a href="https://docs.google.com/?tab=wo" class="gb2">Documents</a> ' + 
    '<a href="https://www.google.com/reader/view/?tab=wy" class="gb2">Reader</a> ' + 
    '<a href="https://sites.google.com/?tab=w3" class="gb2">Sites</a> ' + 
    '<a href="https://groups.google.com/groups?tab=wg" οnclick="gbar.qs(this)" class="gb2">Groups</a> ' + 
    '<div class="gb2"><div class="gbd"></div></div>' + 
    '<a href="http://www.google.com/intl/en/options/" class="gb2">even more »</a> ' + 
    '</div></nobr></div>' + gog.innerHTML;
}

var locationProtocol = window.location.protocol;
if (locationProtocol == 'http:') {
    if (window.location.href == 'http://www.google.com/' || window.location.href.indexOf('http://www.google.com/webhp?') == 0) {
        var sslLinkNode = document.createElement('a');
        sslLinkNode.href = 'https://www.google.com/';
        sslLinkNode.className = 'gb1';
        sslLinkNode.textContent = 'SSL';
        var gbar = selectNodes("//div[@id='gbar']/nobr").snapshotItem(0);
        gbar.appendChild(document.createTextNode(' '));
        gbar.appendChild(sslLinkNode);
    } else if (window.location.host == 'www.google.com.hk') {
        var iframe = document.createElement('iframe');
        iframe.id = 'ncr';
        iframe.src = 'https://www.google.com/ncr';
        iframe.setAttribute('style', 'display: none');
        document.body.appendChild(iframe);
        iframe.addEventListener('load', function(){
            var searchHref = 'https://encrypted.google.com/search' + window.location.search;
            if (defaultLanguage.length > 0)
                if (searchHref.indexOf('hl=') < 0)
                    searchHref += '&hl=' + defaultLanguage;
            window.location.href = searchHref + '#sl';
        }, false);
    } else if (!window.location.href.indexOf('http://www.google.com/search?')) {
        window.location.href = 'https://encrypted.google.com/search' + window.location.search;
    } else {
        window.location.href = window.location.href.replace(/http:/, 'https:');
    }       
} else if (locationProtocol == 'https:') {
    var nodes, thisNode;
    if (window.location.href == 'https://www.google.com/' || window.location.href.indexOf('https://www.google.com/webhp?') == 0 || window.location.href == 'https://encrypted.google.com/' || window.location.href.indexOf('https://encrypted.google.com/webhp?') == 0) {
        if (!selectNodes("//div[@id='gbar']").snapshotItem(0))
            addgbar();
        nodes = selectNodes("//div[@id='gbar']");
        thisNode = nodes.snapshotItem(0);
        thisNode.style.display = 'inline';
    } else if (window.location.host == 'webcache.googleusercontent.com') {
        nodes = selectNodes("//a[starts-with(@href, 'http://webcache.googleusercontent.com')]");
        for (var i=0; i < nodes.snapshotLength; i++) {
            thisNode = nodes.snapshotItem(i);
            thisNode.href = thisNode.href.replace(/http:/, 'https:');
        } 
    } else if (window.location.href.indexOf('https://encrypted.google.com/search?') == 0) {
        if (!selectNodes("//div[@id='gbar']").snapshotItem(0))
            addgbar();
        nodes = selectNodes("//span[@class='gl']/a[starts-with(@href, 'http://webcache.googleusercontent.com')]");
        for (var i=0; i < nodes.snapshotLength; i++) {
            thisNode = nodes.snapshotItem(i);
            thisNode.href = thisNode.href.replace(/http:/, 'https:');
            thisNode.removeAttribute('onmousedown');
        }
        if (window.location.href.indexOf('#sl') >= 0) {
            var cStat, cEnd, prefCookie;
            if (document.cookie.length > 0) {
                cStart = document.cookie.indexOf('PREF=');
                if (cStart >= 0) { 
                    cStart += 5;
                    cEnd = document.cookie.indexOf(';', cStart);
                    if (cEnd < 0) cEnd = document.cookie.length;
                    prefCookie = document.cookie.substring(cStart, cEnd);
                    var useLanguage = '', locationHref = document.location.href;
                    cStart = locationHref.indexOf('hl=');
                    if (cStart >= 0) {
                        cStart += 3;
                        cEnd = locationHref.indexOf('&', cStart);
                        if (cEnd < 0) cEnd = locationHref.length - 3;
                        useLanguage = locationHref.substring(cStart, cEnd);
                        }
                    if (useLanguage.length == 0) useLanguage = defaultLanguage;
                    if (useLanguage.length > 0) {
                        cStart = prefCookie.indexOf('LD=');
                        if (cStart < 0) {
                            prefCookie += ':LD=' + useLanguage;
                        } else {
                            cStart += 3;
                            cEnd = prefCookie.indexOf(':', cStart);
                            if (cEnd < 0) cEnd = prefCookie.length;
                            prefCookie = prefCookie.substring(0, cStart) + useLanguage + prefCookie.substring(cEnd, prefCookie.length);
                            var exdate = new Date();
                            exdate.setDate(exdate.getDate() + 365);
                            document.cookie = 'PREF=' + prefCookie + ';expires=' + exdate.toGMTString() + ';domain=.google.com';
                        }
                    }
                } 
            }
            
        }
    }
}