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<h1 id="基于python语言的BIBA模型图形界面实现"><a href="#基于python语言的BIBA模型图形界面实现" class="headerlink" title="基于python语言的BIBA模型图形界面实现"></a>基于python语言的BIBA模型图形界面实现</h1><h2 id="实验目的："><a href="#实验目的：" class="headerlink" title="实验目的："></a>实验目的：</h2><ol>
|
||
<li><strong>查阅资料，了解biba安全模型的相关知识</strong></li>
|
||
<li><strong>通过编程实现基于biba模型的完整性访问控制，进一步掌握biba模型的规则</strong></li>
|
||
<li><strong>使用python语言实现，熟练pyqt的图形界面设计方法</strong></li>
|
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</ol>
|
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<hr>
|
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<h2 id="实验环境："><a href="#实验环境：" class="headerlink" title="实验环境："></a>实验环境：</h2><ul>
|
||
<li>操作系统：Windows10</li>
|
||
<li>工具版本：python3.7，pyqt5</li>
|
||
</ul>
|
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<hr>
|
||
<h2 id="实验原理："><a href="#实验原理：" class="headerlink" title="实验原理："></a>实验原理：</h2><h4 id="什么是安全模型"><a href="#什么是安全模型" class="headerlink" title="什么是安全模型"></a>什么是安全模型</h4><ul>
|
||
<li>系统的元素 <blockquote>
|
||
<p>具有行为能力的主体<br>不具有行为能力的客体</p>
|
||
</blockquote>
|
||
</li>
|
||
<li>系统的操作行为<blockquote>
|
||
<p>可以执行的命令：读、写、执行</p>
|
||
</blockquote>
|
||
</li>
|
||
<li>对系统行为的约束方式<blockquote>
|
||
<p>对行为的控制策略</p>
|
||
</blockquote>
|
||
</li>
|
||
<li>模型从抽象层次规定了系统行为和约束行为的方式</li>
|
||
<li>模型往往用状态来表示<blockquote>
|
||
<p>系统行为所依赖的环境<br>行为对系统产生的效果</p>
|
||
</blockquote>
|
||
<h4 id="biba完整性模型："><a href="#biba完整性模型：" class="headerlink" title="biba完整性模型："></a>biba完整性模型：</h4><ul>
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||
<li>完整性威胁问题<blockquote>
|
||
<p>完整性的威胁就是一个子系统在初始时刻认为不正常的修改行为；<br>来源：内部&外部；<br>类型：直接&间接</p>
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||
</blockquote>
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</li>
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</ul>
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</li>
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</ul>
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<table>
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<thead>
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<tr>
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<th>外部的直接</th>
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<th>外部的间接</th>
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<th>内部的直接</th>
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<th>内部的间接</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td>外部系统恶意地篡改另一个系统的数据或程序</td>
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||
<td>一个外部系统插入恶意的子程序</td>
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||
<td>修改自己的代码</td>
|
||
<td>修改自己的指针</td>
|
||
</tr>
|
||
</tbody>
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||
</table>
|
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<ul>
|
||
<li>biba模型的完整性定义<blockquote>
|
||
<p>完整性级别高的实体对完整性低的实体具有完全的支配性，反之如果一个实体对另一个实体具有完全的控制权，说明前者完整性级别更高，这里的实体既可以是主体也可以是客体。<br>完整性级别和可信度有密切的关系，完整级别越高，意味着可信度越高。</p>
|
||
</blockquote>
|
||
</li>
|
||
<li>biba模型的规则 </li>
|
||
</ul>
|
||
<ul>
|
||
<li style="list-style: none"><input type="checkbox"> 对于写和执行操作，有如下规则：<blockquote>
|
||
<p><strong>写规则控制</strong><br>当且仅当主体S的完整性级别大于或等于客体O的完整性级别时，主体S可以写客体O,一般称之为<strong>上写</strong>。<br><strong>执行操作控制</strong><br>当且仅当主体S2的完整性级别高于或等于S1,主体S1可以执行主体S2。 </p>
|
||
</blockquote>
|
||
</li>
|
||
<li style="list-style: none"><input type="checkbox"> 关于读操作，有不同的控制策略：<blockquote>
|
||
<p><strong>低水标模型</strong><br>任意主体可以读任意完整性级别的客体，但是如果主体读完整性级别比自己低的客体时，主体的完整性级别将为客体完整性级别，否则，主体的完整性级别保持不变。<br><strong>环模型</strong><br>不管完整性级别如何，任何主体都可以读任何客体<br><strong>严格完整性模型</strong><br>这个模型对读操作是根据主客体的完整性级别严格控制的，即只有完整性级别低或相等的主体才可以读完整性级别高的客体，称为<strong>下读</strong></p>
|
||
</blockquote>
|
||
</li>
|
||
</ul>
|
||
<p><strong>一般都是指毕巴严格完整性模型，总结来说是上写、下读</strong></p>
|
||
<hr>
|
||
<h2 id="实验内容："><a href="#实验内容：" class="headerlink" title="实验内容："></a>实验内容：</h2><h3 id="用户登录实现"><a href="#用户登录实现" class="headerlink" title="用户登录实现"></a>用户登录实现</h3><p><strong>核对用户输入的账户密码与存储的是否匹配</strong></p>
|
||
<p><img src="https://github.com/Cool-Y/BIBA-model/blob/master/img/login.PNG" alt="login"></p>
|
||
<ul>
|
||
<li>从用户输入框获取账户和密码</li>
|
||
<li>检查输入信息是否合法（为空）</li>
|
||
<li>从password.txt中获取，并保存在列表listFromLine中</li>
|
||
<li>检查输入的账户是否存在</li>
|
||
<li>若存在，检查对应的密码是否正确</li>
|
||
<li><p>若正确，判断是管理员还是普通用户，并跳转相应的界面</p>
|
||
<figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">def</span> <span class="title">checkPass</span><span class="params">(self)</span>:</span></span><br><span class="line"> nameIn = self.lineEdit.text()</span><br><span class="line"> passwdIn = self.lineEdit_2.text()</span><br><span class="line"> md5 = hashlib.md5()</span><br><span class="line"> md5.update(passwdIn.encode(<span class="string">"utf-8"</span>))</span><br><span class="line"> passwdIn = md5.hexdigest()</span><br><span class="line"> <span class="keyword">if</span> (nameIn == <span class="string">''</span>) <span class="keyword">or</span> (passwdIn == <span class="string">''</span>):</span><br><span class="line"> QMessageBox.warning(self,</span><br><span class="line"> <span class="string">"警告"</span>,</span><br><span class="line"> <span class="string">"账号和密码不能为空"</span>,</span><br><span class="line"> QMessageBox.Yes)</span><br><span class="line"> self.lineEdit.setFocus()</span><br><span class="line"> print(nameIn, passwdIn)</span><br><span class="line"> fr = open(<span class="string">'./etc/passwd.txt'</span>)</span><br><span class="line"> arrayofLines = fr.readlines()</span><br><span class="line"> numberofLines = len(arrayofLines)</span><br><span class="line"> <span class="keyword">for</span> line <span class="keyword">in</span> arrayofLines:</span><br><span class="line"> line = line.strip()</span><br><span class="line"> listFromLine = line.split(<span class="string">':'</span>)</span><br><span class="line"> name = listFromLine[<span class="number">0</span>]</span><br><span class="line"> <span class="keyword">if</span> name == nameIn:</span><br><span class="line"> numberofLines = <span class="number">-1</span></span><br><span class="line"> passwd = listFromLine[<span class="number">1</span>]</span><br><span class="line"> <span class="keyword">if</span> passwd == passwdIn:</span><br><span class="line"> group = listFromLine[<span class="number">2</span>]</span><br><span class="line"> print(<span class="string">"\n登录成功!\n"</span>)</span><br><span class="line"> <span class="keyword">if</span> name == <span class="string">'root'</span>:</span><br><span class="line"> print(<span class="string">'root登录'</span>)</span><br><span class="line"> rootUI.show()</span><br><span class="line"> MainWindow.close()</span><br><span class="line"> <span class="keyword">else</span>:</span><br><span class="line"> urName = nameIn</span><br><span class="line"> mainUI.lineEdit.setText(urName)</span><br><span class="line"> mainUI.lineEdit_2.setText(group)</span><br><span class="line"> mainUI.show()</span><br><span class="line"> MainWindow.close()</span><br><span class="line"> <span class="keyword">else</span>:</span><br><span class="line"> QMessageBox.warning(self,</span><br><span class="line"> <span class="string">"警告"</span>,</span><br><span class="line"> <span class="string">"密码错误！"</span>,</span><br><span class="line"> QMessageBox.Yes)</span><br><span class="line"> self.lineEdit.setFocus()</span><br><span class="line"> fr.close()</span><br><span class="line"> <span class="keyword">return</span> <span class="number">0</span></span><br></pre></td></tr></table></figure>
|
||
</li>
|
||
</ul>
|
||
<hr>
|
||
<h3 id="管理员功能实现"><a href="#管理员功能实现" class="headerlink" title="管理员功能实现"></a>管理员功能实现</h3><p><strong>管理员可以对用户进行增、删、查的操作</strong></p>
|
||
<p><img src="https://github.com/Cool-Y/BIBA-model/blob/master/img/rootUI.PNG" alt="login"></p>
|
||
<h4 id="增加用户的实现"><a href="#增加用户的实现" class="headerlink" title="增加用户的实现"></a>增加用户的实现</h4><blockquote>
|
||
<ul>
|
||
<li>获取管理员输入的用户名、密码和用户等级</li>
|
||
<li>将明文密码转换为md5值</li>
|
||
<li>判断输入的账户是否已经存在以及是否为空</li>
|
||
<li>如果没有问题，将其存入passwd.txt的末尾</li>
|
||
</ul>
|
||
</blockquote>
|
||
<figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">def</span> <span class="title">adduser</span><span class="params">(self)</span>:</span></span><br><span class="line"> print(<span class="string">'开始添加'</span>)</span><br><span class="line"> name = self.lineEdit_4.text()</span><br><span class="line"> passwd = self.lineEdit_6.text()</span><br><span class="line"> md5 = hashlib.md5()</span><br><span class="line"> md5.update(passwd.encode(<span class="string">"utf-8"</span>))</span><br><span class="line"> passwd = md5.hexdigest()</span><br><span class="line"> group = self.comboBox.currentText()</span><br><span class="line"> self.name = name</span><br><span class="line"> <span class="keyword">if</span> self.euxit():</span><br><span class="line"> <span class="keyword">if</span> name == <span class="string">''</span> <span class="keyword">or</span> passwd == <span class="string">''</span>:</span><br><span class="line"> QMessageBox.warning(self,</span><br><span class="line"> <span class="string">"警告"</span>,</span><br><span class="line"> <span class="string">"账号和密码不能为空"</span>,</span><br><span class="line"> QMessageBox.Yes)</span><br><span class="line"> self.lineEdit.setFocus()</span><br><span class="line"> <span class="keyword">else</span>:</span><br><span class="line"> cur_path = os.getcwd()</span><br><span class="line"> filename = cur_path + <span class="string">'/etc/passwd.txt'</span></span><br><span class="line"> fi = open(filename, <span class="string">'r+'</span>)</span><br><span class="line"> str = name + <span class="string">':'</span> + passwd + <span class="string">':'</span> + group + <span class="string">'\n'</span></span><br><span class="line"> print(<span class="string">'成功增加用户'</span> + str + <span class="string">'\n'</span>)</span><br><span class="line"> fi.seek(<span class="number">0</span>, <span class="number">2</span>)</span><br><span class="line"> fi.write(str)</span><br><span class="line"> fi.close()</span><br><span class="line"> <span class="keyword">else</span>:</span><br><span class="line"> QMessageBox.warning(self,</span><br><span class="line"> <span class="string">"警告"</span>,</span><br><span class="line"> <span class="string">"用户已存在"</span>,</span><br><span class="line"> QMessageBox.Yes)</span><br><span class="line"> self.lineEdit.setFocus()</span><br></pre></td></tr></table></figure>
|
||
<h4 id="查询已有用户的实现"><a href="#查询已有用户的实现" class="headerlink" title="查询已有用户的实现"></a>查询已有用户的实现</h4><blockquote>
|
||
<p>从passwd.txt中逐行读出</p>
|
||
</blockquote>
|
||
<p><img src="https://github.com/Cool-Y/BIBA-model/blob/master/img/existUser.PNG" alt="login"></p>
|
||
<figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">def</span> <span class="title">readuser</span><span class="params">(self)</span>:</span></span><br><span class="line"> print(<span class="string">'readuser'</span>)</span><br><span class="line"> cur_path = os.getcwd()</span><br><span class="line"> filename = cur_path + <span class="string">'/etc/passwd.txt'</span></span><br><span class="line"> fo = open(filename)</span><br><span class="line"> arrayofLines = fo.readlines()</span><br><span class="line"> names = <span class="string">''</span></span><br><span class="line"> <span class="keyword">for</span> line <span class="keyword">in</span> arrayofLines:</span><br><span class="line"> line = line.strip()</span><br><span class="line"> listFromLine = line.split(<span class="string">':'</span>)</span><br><span class="line"> names = names + listFromLine[<span class="number">0</span>] + <span class="string">'\n'</span></span><br><span class="line"> self.textEdit.setPlaceholderText(names)</span><br></pre></td></tr></table></figure>
|
||
<h4 id="删除用户的实现"><a href="#删除用户的实现" class="headerlink" title="删除用户的实现"></a>删除用户的实现</h4><blockquote>
|
||
<p>从passwd.txt中逐行读出用户名，并与待删除用户比较，如果相同，则删除该行</p>
|
||
</blockquote>
|
||
<figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">def</span> <span class="title">rmuser</span><span class="params">(self)</span>:</span></span><br><span class="line"> print(<span class="number">1</span>)</span><br><span class="line"> cur_path = os.getcwd()</span><br><span class="line"> filename = cur_path + <span class="string">'/etc/passwd.txt'</span></span><br><span class="line"> rmName = self.lineEdit.text()</span><br><span class="line"> <span class="keyword">with</span> open(filename, <span class="string">'r'</span>,encoding=<span class="string">"utf-8"</span>) <span class="keyword">as</span> r:</span><br><span class="line"> lines = r.readlines()</span><br><span class="line"> lenl = len(lines)</span><br><span class="line"> <span class="keyword">with</span> open(filename, <span class="string">'w'</span>,encoding=<span class="string">"utf-8"</span>) <span class="keyword">as</span> w:</span><br><span class="line"> <span class="keyword">for</span> line <span class="keyword">in</span> lines:</span><br><span class="line"> l = line.strip()</span><br><span class="line"> listFromLine = l.split(<span class="string">':'</span>)</span><br><span class="line"> <span class="keyword">if</span> rmName == listFromLine[<span class="number">0</span>]:</span><br><span class="line"> print(<span class="string">'删除用户'</span> + rmName)</span><br><span class="line"> <span class="keyword">continue</span></span><br><span class="line"> <span class="keyword">if</span> line == <span class="string">'\n'</span>:</span><br><span class="line"> print(<span class="string">'find换行'</span>)</span><br><span class="line"> line = <span class="string">''</span></span><br><span class="line"> w.write(line)</span><br></pre></td></tr></table></figure>
|
||
<hr>
|
||
<h3 id="普通用户功能实现"><a href="#普通用户功能实现" class="headerlink" title="普通用户功能实现"></a>普通用户功能实现</h3><p><strong>普通用户可以完成对合法权限文件的读取、增加内容（上写下读）以及创建文件的操作</strong></p>
|
||
<p><img src="https://github.com/Cool-Y/BIBA-model/blob/master/img/normal.PNG" alt="login"></p>
|
||
<h4 id="读取文件内容"><a href="#读取文件内容" class="headerlink" title="读取文件内容"></a>读取文件内容</h4><blockquote>
|
||
<p>双击文件名<br>获取选中文件和当前用户的完整性级别<br>如果用户的级别低于文件，则读取文件内容</p>
|
||
</blockquote>
|
||
<figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">def</span> <span class="title">readfile</span><span class="params">(self)</span>:</span></span><br><span class="line"> dict = self.getGrade()</span><br><span class="line"> fgrade = str(dict[self.file_path])</span><br><span class="line"> ugrade = self.lineEdit_2.text()</span><br><span class="line"> <span class="keyword">if</span> ugrade >= fgrade:</span><br><span class="line"> print(ugrade+ <span class="string">' 正在读取 '</span>+fgrade)</span><br><span class="line"> filename = self.file_path</span><br><span class="line"> print(filename)</span><br><span class="line"> fr = open(filename)</span><br><span class="line"> lines = <span class="string">''</span></span><br><span class="line"> arrayofLines = fr.readlines()</span><br><span class="line"> <span class="keyword">for</span> line <span class="keyword">in</span> arrayofLines:</span><br><span class="line"> lines += line</span><br><span class="line"> self.textEdit.setText(lines)</span><br><span class="line"> print(<span class="string">'读取成功\n'</span>)</span><br><span class="line"> <span class="keyword">else</span>:</span><br><span class="line"> QMessageBox.warning(self,</span><br><span class="line"> <span class="string">"警告"</span>,</span><br><span class="line"> <span class="string">"您的用户等级太高"</span>,</span><br><span class="line"> QMessageBox.Yes)</span><br><span class="line"> self.lineEdit.setFocus()</span><br></pre></td></tr></table></figure>
|
||
<h4 id="增加文件内容"><a href="#增加文件内容" class="headerlink" title="增加文件内容"></a>增加文件内容</h4><blockquote>
|
||
<p>双击文件名<br>获取选中文件和当前用户的完整性级别<br>如果用户的级别高于文件，则写入文件内容</p>
|
||
</blockquote>
|
||
<figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">def</span> <span class="title">writefile</span><span class="params">(self)</span>:</span></span><br><span class="line"> dict = self.getGrade()</span><br><span class="line"> fgrade = dict[self.file_path]</span><br><span class="line"> ugrade = self.lineEdit_2.text()</span><br><span class="line"> print(ugrade + <span class="string">' 正在写入 '</span> + fgrade)</span><br><span class="line"> <span class="keyword">if</span> ugrade <= fgrade:</span><br><span class="line"> filename = self.file_path</span><br><span class="line"> str = self.textEdit.toPlainText()</span><br><span class="line"> print(str)</span><br><span class="line"> fo = open(filename, <span class="string">'r+'</span>)</span><br><span class="line"> fo.seek(<span class="number">0</span>, <span class="number">2</span>)</span><br><span class="line"> fo.write(str)</span><br><span class="line"> <span class="keyword">else</span>:</span><br><span class="line"> QMessageBox.warning(self,</span><br><span class="line"> <span class="string">"警告"</span>,</span><br><span class="line"> <span class="string">"您的用户等级太低"</span>,</span><br><span class="line"> QMessageBox.Yes)</span><br><span class="line"> self.lineEdit.setFocus()</span><br></pre></td></tr></table></figure>
|
||
<h4 id="创建文件"><a href="#创建文件" class="headerlink" title="创建文件"></a>创建文件</h4><blockquote>
|
||
<p>获取当前用户名和输入的文件名<br>在当前路径下创建名为用户名的文件<br>并对新创建的文件与用户等级建立字典，新文件路径为key，用户等级为value<br>这个字典方便读写时判断等级高低</p>
|
||
</blockquote>
|
||
<figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">def</span> <span class="title">touchfile</span><span class="params">(self)</span>:</span></span><br><span class="line"> urName = self.lineEdit.text()</span><br><span class="line"> filename = self.lineEdit_4.text()</span><br><span class="line"> cur_path = os.getcwd()</span><br><span class="line"> new_path = os.path.join(cur_path + <span class="string">'/file'</span>, urName)</span><br><span class="line"> print(urName)</span><br><span class="line"> <span class="keyword">if</span> os.path.exists(new_path) == <span class="literal">False</span>:</span><br><span class="line"> os.mkdir(new_path)</span><br><span class="line"> os.chdir(new_path)</span><br><span class="line"> fr = open(filename, <span class="string">'w'</span>)</span><br><span class="line"> key = (new_path + <span class="string">'/'</span> + filename).replace(<span class="string">'\\'</span>, <span class="string">'/'</span>)</span><br><span class="line"> fr.close()</span><br><span class="line"> os.chdir(cur_path)</span><br><span class="line"> fa = open(<span class="string">'./etc/ac.txt'</span>, <span class="string">'r'</span>)</span><br><span class="line"> a = fa.read()</span><br><span class="line"> <span class="keyword">if</span> a == <span class="string">''</span>:</span><br><span class="line"> dict = {}</span><br><span class="line"> <span class="keyword">else</span>:</span><br><span class="line"> dict = eval(a)</span><br><span class="line"> dict[key] = self.lineEdit_2.text()</span><br><span class="line"> fr = open(<span class="string">'./etc/ac.txt'</span>, <span class="string">'w'</span>)</span><br><span class="line"> fr.write(str(dict))</span><br><span class="line"> fr.close()</span><br><span class="line"> fa.close()</span><br></pre></td></tr></table></figure>
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|
||
$('#no-result').remove();
|
||
$(".local-search-pop-overlay").remove();
|
||
$('body').css('overflow', '');
|
||
}
|
||
|
||
function proceedsearch() {
|
||
$("body")
|
||
.append('<div class="search-popup-overlay local-search-pop-overlay"></div>')
|
||
.css('overflow', 'hidden');
|
||
$('.search-popup-overlay').click(onPopupClose);
|
||
$('.popup').toggle();
|
||
var $localSearchInput = $('#local-search-input');
|
||
$localSearchInput.attr("autocapitalize", "none");
|
||
$localSearchInput.attr("autocorrect", "off");
|
||
$localSearchInput.focus();
|
||
}
|
||
|
||
// search function;
|
||
var searchFunc = function(path, search_id, content_id) {
|
||
'use strict';
|
||
|
||
// start loading animation
|
||
$("body")
|
||
.append('<div class="search-popup-overlay local-search-pop-overlay">' +
|
||
'<div id="search-loading-icon">' +
|
||
'<i class="fa fa-spinner fa-pulse fa-5x fa-fw"></i>' +
|
||
'</div>' +
|
||
'</div>')
|
||
.css('overflow', 'hidden');
|
||
$("#search-loading-icon").css('margin', '20% auto 0 auto').css('text-align', 'center');
|
||
|
||
$.ajax({
|
||
url: path,
|
||
dataType: isXml ? "xml" : "json",
|
||
async: true,
|
||
success: function(res) {
|
||
// get the contents from search data
|
||
isfetched = true;
|
||
$('.popup').detach().appendTo('.header-inner');
|
||
var datas = isXml ? $("entry", res).map(function() {
|
||
return {
|
||
title: $("title", this).text(),
|
||
content: $("content",this).text(),
|
||
url: $("url" , this).text()
|
||
};
|
||
}).get() : res;
|
||
var input = document.getElementById(search_id);
|
||
var resultContent = document.getElementById(content_id);
|
||
var inputEventFunction = function() {
|
||
var searchText = input.value.trim().toLowerCase();
|
||
var keywords = searchText.split(/[\s\-]+/);
|
||
if (keywords.length > 1) {
|
||
keywords.push(searchText);
|
||
}
|
||
var resultItems = [];
|
||
if (searchText.length > 0) {
|
||
// perform local searching
|
||
datas.forEach(function(data) {
|
||
var isMatch = false;
|
||
var hitCount = 0;
|
||
var searchTextCount = 0;
|
||
var title = data.title.trim();
|
||
var titleInLowerCase = title.toLowerCase();
|
||
var content = data.content.trim().replace(/<[^>]+>/g,"");
|
||
var contentInLowerCase = content.toLowerCase();
|
||
var articleUrl = decodeURIComponent(data.url);
|
||
var indexOfTitle = [];
|
||
var indexOfContent = [];
|
||
// only match articles with not empty titles
|
||
if(title != '') {
|
||
keywords.forEach(function(keyword) {
|
||
function getIndexByWord(word, text, caseSensitive) {
|
||
var wordLen = word.length;
|
||
if (wordLen === 0) {
|
||
return [];
|
||
}
|
||
var startPosition = 0, position = [], index = [];
|
||
if (!caseSensitive) {
|
||
text = text.toLowerCase();
|
||
word = word.toLowerCase();
|
||
}
|
||
while ((position = text.indexOf(word, startPosition)) > -1) {
|
||
index.push({position: position, word: word});
|
||
startPosition = position + wordLen;
|
||
}
|
||
return index;
|
||
}
|
||
|
||
indexOfTitle = indexOfTitle.concat(getIndexByWord(keyword, titleInLowerCase, false));
|
||
indexOfContent = indexOfContent.concat(getIndexByWord(keyword, contentInLowerCase, false));
|
||
});
|
||
if (indexOfTitle.length > 0 || indexOfContent.length > 0) {
|
||
isMatch = true;
|
||
hitCount = indexOfTitle.length + indexOfContent.length;
|
||
}
|
||
}
|
||
|
||
// show search results
|
||
|
||
if (isMatch) {
|
||
// sort index by position of keyword
|
||
|
||
[indexOfTitle, indexOfContent].forEach(function (index) {
|
||
index.sort(function (itemLeft, itemRight) {
|
||
if (itemRight.position !== itemLeft.position) {
|
||
return itemRight.position - itemLeft.position;
|
||
} else {
|
||
return itemLeft.word.length - itemRight.word.length;
|
||
}
|
||
});
|
||
});
|
||
|
||
// merge hits into slices
|
||
|
||
function mergeIntoSlice(text, start, end, index) {
|
||
var item = index[index.length - 1];
|
||
var position = item.position;
|
||
var word = item.word;
|
||
var hits = [];
|
||
var searchTextCountInSlice = 0;
|
||
while (position + word.length <= end && index.length != 0) {
|
||
if (word === searchText) {
|
||
searchTextCountInSlice++;
|
||
}
|
||
hits.push({position: position, length: word.length});
|
||
var wordEnd = position + word.length;
|
||
|
||
// move to next position of hit
|
||
|
||
index.pop();
|
||
while (index.length != 0) {
|
||
item = index[index.length - 1];
|
||
position = item.position;
|
||
word = item.word;
|
||
if (wordEnd > position) {
|
||
index.pop();
|
||
} else {
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
searchTextCount += searchTextCountInSlice;
|
||
return {
|
||
hits: hits,
|
||
start: start,
|
||
end: end,
|
||
searchTextCount: searchTextCountInSlice
|
||
};
|
||
}
|
||
|
||
var slicesOfTitle = [];
|
||
if (indexOfTitle.length != 0) {
|
||
slicesOfTitle.push(mergeIntoSlice(title, 0, title.length, indexOfTitle));
|
||
}
|
||
|
||
var slicesOfContent = [];
|
||
while (indexOfContent.length != 0) {
|
||
var item = indexOfContent[indexOfContent.length - 1];
|
||
var position = item.position;
|
||
var word = item.word;
|
||
// cut out 100 characters
|
||
var start = position - 20;
|
||
var end = position + 80;
|
||
if(start < 0){
|
||
start = 0;
|
||
}
|
||
if (end < position + word.length) {
|
||
end = position + word.length;
|
||
}
|
||
if(end > content.length){
|
||
end = content.length;
|
||
}
|
||
slicesOfContent.push(mergeIntoSlice(content, start, end, indexOfContent));
|
||
}
|
||
|
||
// sort slices in content by search text's count and hits' count
|
||
|
||
slicesOfContent.sort(function (sliceLeft, sliceRight) {
|
||
if (sliceLeft.searchTextCount !== sliceRight.searchTextCount) {
|
||
return sliceRight.searchTextCount - sliceLeft.searchTextCount;
|
||
} else if (sliceLeft.hits.length !== sliceRight.hits.length) {
|
||
return sliceRight.hits.length - sliceLeft.hits.length;
|
||
} else {
|
||
return sliceLeft.start - sliceRight.start;
|
||
}
|
||
});
|
||
|
||
// select top N slices in content
|
||
|
||
var upperBound = parseInt('1');
|
||
if (upperBound >= 0) {
|
||
slicesOfContent = slicesOfContent.slice(0, upperBound);
|
||
}
|
||
|
||
// highlight title and content
|
||
|
||
function highlightKeyword(text, slice) {
|
||
var result = '';
|
||
var prevEnd = slice.start;
|
||
slice.hits.forEach(function (hit) {
|
||
result += text.substring(prevEnd, hit.position);
|
||
var end = hit.position + hit.length;
|
||
result += '<b class="search-keyword">' + text.substring(hit.position, end) + '</b>';
|
||
prevEnd = end;
|
||
});
|
||
result += text.substring(prevEnd, slice.end);
|
||
return result;
|
||
}
|
||
|
||
var resultItem = '';
|
||
|
||
if (slicesOfTitle.length != 0) {
|
||
resultItem += "<li><a href='" + articleUrl + "' class='search-result-title'>" + highlightKeyword(title, slicesOfTitle[0]) + "</a>";
|
||
} else {
|
||
resultItem += "<li><a href='" + articleUrl + "' class='search-result-title'>" + title + "</a>";
|
||
}
|
||
|
||
slicesOfContent.forEach(function (slice) {
|
||
resultItem += "<a href='" + articleUrl + "'>" +
|
||
"<p class=\"search-result\">" + highlightKeyword(content, slice) +
|
||
"...</p>" + "</a>";
|
||
});
|
||
|
||
resultItem += "</li>";
|
||
resultItems.push({
|
||
item: resultItem,
|
||
searchTextCount: searchTextCount,
|
||
hitCount: hitCount,
|
||
id: resultItems.length
|
||
});
|
||
}
|
||
})
|
||
};
|
||
if (keywords.length === 1 && keywords[0] === "") {
|
||
resultContent.innerHTML = '<div id="no-result"><i class="fa fa-search fa-5x" /></div>'
|
||
} else if (resultItems.length === 0) {
|
||
resultContent.innerHTML = '<div id="no-result"><i class="fa fa-frown-o fa-5x" /></div>'
|
||
} else {
|
||
resultItems.sort(function (resultLeft, resultRight) {
|
||
if (resultLeft.searchTextCount !== resultRight.searchTextCount) {
|
||
return resultRight.searchTextCount - resultLeft.searchTextCount;
|
||
} else if (resultLeft.hitCount !== resultRight.hitCount) {
|
||
return resultRight.hitCount - resultLeft.hitCount;
|
||
} else {
|
||
return resultRight.id - resultLeft.id;
|
||
}
|
||
});
|
||
var searchResultList = '<ul class=\"search-result-list\">';
|
||
resultItems.forEach(function (result) {
|
||
searchResultList += result.item;
|
||
})
|
||
searchResultList += "</ul>";
|
||
resultContent.innerHTML = searchResultList;
|
||
}
|
||
}
|
||
|
||
if ('auto' === 'auto') {
|
||
input.addEventListener('input', inputEventFunction);
|
||
} else {
|
||
$('.search-icon').click(inputEventFunction);
|
||
input.addEventListener('keypress', function (event) {
|
||
if (event.keyCode === 13) {
|
||
inputEventFunction();
|
||
}
|
||
});
|
||
}
|
||
|
||
// remove loading animation
|
||
$(".local-search-pop-overlay").remove();
|
||
$('body').css('overflow', '');
|
||
|
||
proceedsearch();
|
||
}
|
||
});
|
||
}
|
||
|
||
// handle and trigger popup window;
|
||
$('.popup-trigger').click(function(e) {
|
||
e.stopPropagation();
|
||
if (isfetched === false) {
|
||
searchFunc(path, 'local-search-input', 'local-search-result');
|
||
} else {
|
||
proceedsearch();
|
||
};
|
||
});
|
||
|
||
$('.popup-btn-close').click(onPopupClose);
|
||
$('.popup').click(function(e){
|
||
e.stopPropagation();
|
||
});
|
||
$(document).on('keyup', function (event) {
|
||
var shouldDismissSearchPopup = event.which === 27 &&
|
||
$('.search-popup').is(':visible');
|
||
if (shouldDismissSearchPopup) {
|
||
onPopupClose();
|
||
}
|
||
});
|
||
</script>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<script src="https://cdn1.lncld.net/static/js/av-core-mini-0.6.4.js"></script>
|
||
<script>AV.initialize("EWwoJgHNdlj6iBjiFlMcabUO-gzGzoHsz", "x8FxDrYG79C8YFrTww9ljo8K");</script>
|
||
<script>
|
||
function showTime(Counter) {
|
||
var query = new AV.Query(Counter);
|
||
var entries = [];
|
||
var $visitors = $(".leancloud_visitors");
|
||
|
||
$visitors.each(function () {
|
||
entries.push( $(this).attr("id").trim() );
|
||
});
|
||
|
||
query.containedIn('url', entries);
|
||
query.find()
|
||
.done(function (results) {
|
||
var COUNT_CONTAINER_REF = '.leancloud-visitors-count';
|
||
|
||
if (results.length === 0) {
|
||
$visitors.find(COUNT_CONTAINER_REF).text(0);
|
||
return;
|
||
}
|
||
|
||
for (var i = 0; i < results.length; i++) {
|
||
var item = results[i];
|
||
var url = item.get('url');
|
||
var time = item.get('time');
|
||
var element = document.getElementById(url);
|
||
|
||
$(element).find(COUNT_CONTAINER_REF).text(time);
|
||
}
|
||
for(var i = 0; i < entries.length; i++) {
|
||
var url = entries[i];
|
||
var element = document.getElementById(url);
|
||
var countSpan = $(element).find(COUNT_CONTAINER_REF);
|
||
if( countSpan.text() == '') {
|
||
countSpan.text(0);
|
||
}
|
||
}
|
||
})
|
||
.fail(function (object, error) {
|
||
console.log("Error: " + error.code + " " + error.message);
|
||
});
|
||
}
|
||
|
||
function addCount(Counter) {
|
||
var $visitors = $(".leancloud_visitors");
|
||
var url = $visitors.attr('id').trim();
|
||
var title = $visitors.attr('data-flag-title').trim();
|
||
var query = new AV.Query(Counter);
|
||
|
||
query.equalTo("url", url);
|
||
query.find({
|
||
success: function(results) {
|
||
if (results.length > 0) {
|
||
var counter = results[0];
|
||
counter.fetchWhenSave(true);
|
||
counter.increment("time");
|
||
counter.save(null, {
|
||
success: function(counter) {
|
||
var $element = $(document.getElementById(url));
|
||
$element.find('.leancloud-visitors-count').text(counter.get('time'));
|
||
},
|
||
error: function(counter, error) {
|
||
console.log('Failed to save Visitor num, with error message: ' + error.message);
|
||
}
|
||
});
|
||
} else {
|
||
var newcounter = new Counter();
|
||
/* Set ACL */
|
||
var acl = new AV.ACL();
|
||
acl.setPublicReadAccess(true);
|
||
acl.setPublicWriteAccess(true);
|
||
newcounter.setACL(acl);
|
||
/* End Set ACL */
|
||
newcounter.set("title", title);
|
||
newcounter.set("url", url);
|
||
newcounter.set("time", 1);
|
||
newcounter.save(null, {
|
||
success: function(newcounter) {
|
||
var $element = $(document.getElementById(url));
|
||
$element.find('.leancloud-visitors-count').text(newcounter.get('time'));
|
||
},
|
||
error: function(newcounter, error) {
|
||
console.log('Failed to create');
|
||
}
|
||
});
|
||
}
|
||
},
|
||
error: function(error) {
|
||
console.log('Error:' + error.code + " " + error.message);
|
||
}
|
||
});
|
||
}
|
||
|
||
$(function() {
|
||
var Counter = AV.Object.extend("Counter");
|
||
if ($('.leancloud_visitors').length == 1) {
|
||
addCount(Counter);
|
||
} else if ($('.post-title-link').length > 1) {
|
||
showTime(Counter);
|
||
}
|
||
});
|
||
</script>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<script>
|
||
(function(){
|
||
var bp = document.createElement('script');
|
||
var curProtocol = window.location.protocol.split(':')[0];
|
||
if (curProtocol === 'https') {
|
||
bp.src = 'https://zz.bdstatic.com/linksubmit/push.js';
|
||
}
|
||
else {
|
||
bp.src = 'http://push.zhanzhang.baidu.com/push.js';
|
||
}
|
||
var s = document.getElementsByTagName("script")[0];
|
||
s.parentNode.insertBefore(bp, s);
|
||
})();
|
||
</script>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
</body>
|
||
</html>
|