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将组策略导出成excel

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最近有个需求，要把windows组策略导出成excel，这真是无聊的需求。本来可以直接导出html格式还是很好看的。非要做这种无聊的事情。

因为组策略直接的导出是xml或者html格式，相当于nosql的文档类型。而excel则是类似关系数据库的类型，因此需要做些格式转换。

组策略导出

组策略导出使用了powershell,将全部组策略导出到指定路径下。当然也可以指定ldap的路径来进行导出。

ExportGPReport.ps1:

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param(
[string]$LdapPath = "All",
[string]$OutPut = $(pwd).Path
)
if($LdapPath -eq "ALL"){
$s=Get-GPO -All
}
else{
$s=(Get-GPInheritance -Target $LdapPath).GpoLinks
}
foreach ($gpo in $s){
$out=$OutPut+"\"+$gpo.DisplayName+".html"
Get-GPOReport -Name $gpo.DisplayName -ReportType Html -Path $out
}

使用方法例如.\ExportGPReport.ps1 -OutPut c:\gpo

Get-GPOReport导出xml格式的文档会损失很多信息，看来只能导出成html再进行解析了。

格式转换

如果利用excel直接进行转换，效果简直惨不忍睹。因此只能自己设想样式进行导出。我先预想使用合并单元格的方式描绘树状图。但是导出的效果非常之烂，因此只能换一种格式。采用高级标题使用更多单元格合并的方式来展现。虽然还是很难看，不过稍微好了点。

不知道怎么用powershell实现，于是又拿起了熟悉的python。
gpo.py

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#!/usr/bin/env python3
import os.path
import weakref
from glob import glob
from pyquery import PyQuery as pq
from argparse import ArgumentParser
import xlwt
style = xlwt.XFStyle()
ali = xlwt.Alignment()
borders = xlwt.Borders()
borders.left = xlwt.Borders.THICK
borders.right = xlwt.Borders.THICK
borders.top = xlwt.Borders.THICK
borders.bottom = xlwt.Borders.THICK
ali.horz = xlwt.Alignment.HORZ_CENTER
ali.vert = xlwt.Alignment.VERT_CENTER
ali.wrap = xlwt.Alignment.WRAP_AT_RIGHT
style.alignment = ali
style.borders = borders
class Node:
    def __init__(self):
        self._parent = None
        self.height = 1
        self.level = 1
    @property
    def parent(self):
        return self._parent if self._parent is None else self._parent()
    @parent.setter
    def parent(self,node):
        self._parent = weakref.ref(node)
    def __repr__(self):
        return type(self) + 'height: %s' % self.height
    def show(self):
        pass
    def _grow(self, h):
        if h == 0:
            return
        else:
            p = self
            p.height += h
            if p.parent is not None:
                p = p.parent
                p._grow(h)
    def _dive(self, d):
        pass
class Branch(Node):
    def __init__(self, name):
        super(Branch, self).__init__()
        self.name = name
        self.children = []
    def __str__(self):
        s = 'Node:%s,height:%s' % (self.name, self.height)
        return s
    def show(self):
        print(self)
        for child in self.children:
            child.show()
    def add_node(self, node):
        width = len(self.children)
        self.children.append(node)
        node.parent = self
        node._dive(self.level)
        if width >= 1:
            self._grow(node.height)
        else:
            self._grow(node.height - 1)
    def _dive(self, d):
        self.level += d
        for child in self.children:
            child._dive(d)
class Leaf(Node):
    def __init__(self):
        super(Leaf, self).__init__()
        self.table = []
    def __str__(self):
        return str(self.height)
    def show(self):
        print(self)
    def add_data(self, data):
        width = len(data)
        if self.table == []:
            width -= 1
        self.table.extend(data)
        self._grow(width)
    def _dive(self, d):
        self.level += d
def walk(p, cur_node):
    for n in p.children():
        child = pq(n)
        if child.attr('class').startswith('he'):
            for g in child.children():
                grandchild = pq(g)
                if grandchild.attr('class') == 'sectionTitle':
                    node = Branch(child.text())
                    cur_node.add_node(node)
                    cur_node = node
                elif grandchild.is_('table'):
                    leaf = Leaf()
                    data = []
                    for t in grandchild('tr'):
                        td = pq(t).find('td')
                        if not td.attr('colspan') and td.eq(1).text() != '':
                            data.append((td.eq(0).text(), td.eq(1).text()))
                    cur_node.add_node(leaf)
                    leaf.add_data(data)
        elif child.attr('class') == 'container':
            walk(child, cur_node)
        else:
            continue
class GPOTree:
    def __init__(self, title, ctree, utree):
        self.title = title
        self.ctree = ctree
        self.utree = utree
    @classmethod
    def loadfile(cls, filename):
        gpo = cls.__new__(cls)
        with open(filename, 'rt', encoding='utf-16') as f:
            d = pq(''.join(f.readlines()))
        gpo.title = d('head').find('title').text().replace(' ', '_')[:31]
        p = g = d('div.gposummary')
        for i in range(10):
            p = p.next()
            if p.text() == '计算机配置(已启用)':
                c = p.next()
                C = Branch('计算机配置')
                walk(c, C)
                gpo.ctree = C
            elif p.text() == '用户配置(已启用)':
                u = p.next()
                U = Branch('用户配置')
                walk(u, U)
                gpo.utree = U
                break
        return gpo
    def export_to_excel_tree(self, filename):
        def traval(node, ws, x, y, style):
            if type(node) is Branch:
                ws.write_merge(x, x + node.height - 1, y, y, node.name, style)
                # print('write_merge(%s,%s,%s,%s,%s)'%(x,x+node.height-1,y,y,node.name))
                y += 1
                for child in node.children:
                    traval(child, ws, x, y, style)
                    x += child.height
            elif type(node) is Leaf:
                for i, entry in enumerate(node.table):
                    ws.write_merge(x + i, x + i, y, y, entry[0], style)
                    ws.write_merge(x + i, x + i, y + 1, y + 1, entry[1], style)
                    # print('write_merge(%s,%s,%s,%s,%s)'%(x+i,x+i,y,y,entry))
            else:
                return
        wb = xlwt.Workbook(encoding='utf-8')
        ws = wb.add_sheet(self.title)
        traval(self.ctree, ws, 0, 0, style)
        traval(self.utree, ws, self.ctree.height, self.ctree.height, style)
        wb.save(filename)
    def export_to_excel_table(self, filename):
        header_map = {1: 5, 2: 4, 3: 3, 4: 2, 5: 1}
        def traval(node, ws):
            nonlocal line
            if type(node) is Branch:
                ws.write_merge(line, line, 0, header_map.get(
                    node.level, 1), node.name, style)
                line += 2
                for child in node.children:
                    traval(child, ws)
            elif type(node) is Leaf:
                for i, entry in enumerate(node.table):
                    ws.write(line + i, 0, entry[0], style)
                    ws.write(line + i, 1, entry[1], style)
                line += node.height + 2
            else:
                return
        wb = xlwt.Workbook(encoding='utf-8')
        ws = wb.add_sheet(self.title)
        line = 0
        traval(self.ctree, ws)
        traval(self.utree, ws)
        wb.save(filename)
if __name__ == '__main__':
    parser = ArgumentParser()
    parser.add_argument('-s', '--source', type=str,
                        required=True, help='组策略导出文件存储位置')
    parser.add_argument('-o', '--output', type=str,
                        required=True, help='组策略文件导出位置')
    args = parser.parse_args()
    source = args.source
    output = args.output
    if not os.path.isdir(source):
        raise SystemExit('source目录不存在')
    if not os.path.isdir(output):
        raise SystemExit('output目录不存在')
    gpo_files = glob(os.path.join(source, '*.html'))
    for f in gpo_files:
        gpo = GPOTree.loadfile(f)
        o = os.path.join(output, f.replace(
            source, output).replace('html', 'xls'))
        gpo.export_to_excel_table(o)

使用方法举例：

python3 -s 'c:\gpo' -o e:\grouppolicy

其他问题

  • 本来想着把两个脚本粘起来，后来又想想似乎没什么必要。
  • 原来想着使用单个文件多个表单的方式。结果发现xlutils copy的表单居然没有style。再想想不值得再花时间弄了，就这样吧。