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<h1><a href="/python-code-2017-12-17-1550-ch.html"> Python Code </a></h1>
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<h1>Python Code 片段</h1>
<h2>Python md5 与 PHP md5</h2>
<div class="highlight"><pre><span></span><span class="kn">import</span> <span class="nn">md5</span>
<span class="n">hasher</span> <span class="o">=</span> <span class="n">md5</span><span class="o">.</span><span class="n">new</span><span class="p">()</span>
<span class="n">hasher</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="s2">"b3097c4c-65ea-4944-8f4a-03abc7a41db3"</span><span class="p">)</span>
<span class="n">dd</span> <span class="o">=</span> <span class="n">hasher</span><span class="o">.</span><span class="n">hexdigest</span><span class="p">()</span>
</pre></div>
<h2>Pyhton Token 装饰器</h2>
<div class="highlight"><pre><span></span><span class="k">def</span> <span class="nf">token_access</span><span class="p">(</span><span class="n">f</span><span class="p">):</span>
<span class="k">def</span> <span class="nf">wraps</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="n">d</span> <span class="o">=</span> <span class="n">request</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">to_dict</span><span class="p">()</span>
<span class="c1">#{'timestamp': u'1513310428', 'token': u'12354', 'sig': u'5a13ccdd567f0af1daae1487d2f56150', 'filters': u'{"aff_manager":{"value":"4","op":"eq"}}'}</span>
<span class="n">filters</span> <span class="o">=</span> <span class="n">d</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span>
<span class="k">if</span> <span class="s2">"token"</span> <span class="ow">in</span> <span class="n">filters</span><span class="o">.</span><span class="n">keys</span><span class="p">():</span>
<span class="k">del</span> <span class="n">filters</span><span class="p">[</span><span class="s2">"token"</span><span class="p">]</span>
<span class="k">if</span> <span class="s2">"timestamp"</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">filters</span><span class="o">.</span><span class="n">keys</span><span class="p">():</span>
<span class="k">return</span> <span class="n">json_error_response</span><span class="p">(</span><span class="s2">"timestamp is required"</span><span class="p">)</span>
<span class="k">if</span> <span class="s2">"sig"</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">filters</span><span class="o">.</span><span class="n">keys</span><span class="p">():</span>
<span class="k">return</span> <span class="n">json_error_response</span><span class="p">(</span><span class="s2">"sig is required"</span><span class="p">)</span>
<span class="n">sig</span> <span class="o">=</span> <span class="n">filters</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"sig"</span><span class="p">)</span>
<span class="k">del</span> <span class="n">filters</span><span class="p">[</span><span class="s2">"sig"</span><span class="p">]</span>
<span class="k">if</span> <span class="n">sig</span> <span class="ow">is</span> <span class="bp">None</span><span class="p">:</span>
<span class="k">return</span> <span class="n">json_error_response</span><span class="p">(</span><span class="s2">"token is invalid"</span><span class="p">)</span>
<span class="n">salt</span> <span class="o">=</span> <span class="s2">"b3097c4c-65e9a-4944-8f4ra-03abc7a41db3-ytud780-dad-1243-dad"</span>
<span class="n">url_encode</span> <span class="o">=</span> <span class="s2">""</span>
<span class="k">for</span> <span class="n">key</span> <span class="ow">in</span> <span class="nb">sorted</span><span class="p">(</span><span class="n">filters</span><span class="p">):</span>
<span class="n">url_encode</span> <span class="o">+=</span> <span class="s2">"</span><span class="si">%s</span><span class="s2">=</span><span class="si">%s</span><span class="s2">"</span> <span class="o">%</span> <span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">urllib</span><span class="o">.</span><span class="n">quote</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">filters</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">key</span><span class="p">))))</span>
<span class="n">url_encode</span> <span class="o">+=</span> <span class="s2">"&"</span>
<span class="n">url_encode</span> <span class="o">+=</span> <span class="s2">"</span><span class="si">%s</span><span class="s2">"</span> <span class="o">%</span> <span class="n">urllib</span><span class="o">.</span><span class="n">quote</span><span class="p">(</span><span class="n">salt</span><span class="p">)</span>
<span class="n">hasher</span> <span class="o">=</span> <span class="n">md5</span><span class="o">.</span><span class="n">new</span><span class="p">()</span>
<span class="n">hasher</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">url_encode</span><span class="p">)</span>
<span class="n">encode_sig</span> <span class="o">=</span> <span class="n">hasher</span><span class="o">.</span><span class="n">hexdigest</span><span class="p">()</span>
<span class="k">if</span> <span class="n">sig</span> <span class="o">!=</span> <span class="n">encode_sig</span><span class="p">:</span>
<span class="k">return</span> <span class="n">json_error_response</span><span class="p">(</span><span class="s2">"token is invalid"</span><span class="p">)</span>
<span class="n">time_diff</span> <span class="o">=</span> <span class="p">(</span><span class="nb">int</span><span class="p">(</span><span class="n">my_time</span><span class="o">.</span><span class="n">time</span><span class="p">()</span> <span class="o">+</span> <span class="n">my_time</span><span class="o">.</span><span class="n">timezone</span><span class="p">)</span> <span class="o">-</span> <span class="nb">int</span><span class="p">(</span><span class="n">filters</span><span class="p">[</span><span class="s2">"timestamp"</span><span class="p">]))</span>
<span class="k">if</span> <span class="n">time_diff</span> <span class="o">>=</span> <span class="mi">1800</span> <span class="ow">or</span> <span class="n">time_diff</span> <span class="o"><</span> <span class="mi">0</span><span class="p">:</span>
<span class="k">return</span> <span class="n">json_error_response</span><span class="p">(</span><span class="s2">"token is expired"</span><span class="p">)</span>
<span class="k">return</span> <span class="n">f</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
<span class="k">return</span> <span class="n">functools</span><span class="o">.</span><span class="n">update_wrapper</span><span class="p">(</span><span class="n">wraps</span><span class="p">,</span> <span class="n">f</span><span class="p">)</span>
</pre></div>
<div class="highlight"><pre><span></span><span class="kn">import</span> <span class="nn">json</span>
<span class="kn">import</span> <span class="nn">md5</span>
<span class="kn">import</span> <span class="nn">urllib</span>
<span class="n">d</span> <span class="o">=</span> <span class="p">{</span><span class="s1">'timestamp'</span><span class="p">:</span> <span class="sa">u</span><span class="s1">'1513931508'</span><span class="p">,</span> <span class="s1">'sig'</span><span class="p">:</span> <span class="sa">u</span><span class="s1">'9ad5d68a565d5251532a02d0942905ff'</span><span class="p">,</span> <span class="s1">'filters'</span><span class="p">:</span> <span class="sa">u</span><span class="s1">'{"aff_manager":{"value":["0"],"op":"in"}}'</span><span class="p">}</span>
<span class="k">print</span> <span class="n">d</span>
<span class="n">filters</span> <span class="o">=</span> <span class="n">d</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span>
<span class="k">if</span> <span class="s2">"token"</span> <span class="ow">in</span> <span class="n">filters</span><span class="o">.</span><span class="n">keys</span><span class="p">():</span>
<span class="k">del</span> <span class="n">filters</span><span class="p">[</span><span class="s2">"token"</span><span class="p">]</span>
<span class="k">if</span> <span class="s2">"timestamp"</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">filters</span><span class="o">.</span><span class="n">keys</span><span class="p">():</span>
<span class="k">print</span> <span class="p">(</span><span class="s2">"timestamp is required"</span><span class="p">)</span>
<span class="k">if</span> <span class="s2">"sig"</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">filters</span><span class="o">.</span><span class="n">keys</span><span class="p">():</span>
<span class="k">print</span> <span class="p">(</span><span class="s2">"sig is required"</span><span class="p">)</span>
<span class="n">sig</span> <span class="o">=</span> <span class="n">filters</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"sig"</span><span class="p">)</span>
<span class="k">del</span> <span class="n">filters</span><span class="p">[</span><span class="s2">"sig"</span><span class="p">]</span>
<span class="n">salt</span> <span class="o">=</span> <span class="s2">"b3097c4c-65ea-4944-8f4a-03abc7a41db3"</span>
<span class="n">url_encode</span> <span class="o">=</span> <span class="s2">""</span>
<span class="k">for</span> <span class="n">key</span> <span class="ow">in</span> <span class="nb">sorted</span><span class="p">(</span><span class="n">filters</span><span class="p">):</span>
<span class="n">url_encode</span> <span class="o">+=</span> <span class="s2">"</span><span class="si">%s</span><span class="s2">=</span><span class="si">%s</span><span class="s2">"</span> <span class="o">%</span> <span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">urllib</span><span class="o">.</span><span class="n">quote</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">filters</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">key</span><span class="p">))))</span>
<span class="n">url_encode</span> <span class="o">+=</span> <span class="s2">"&"</span>
<span class="n">url_encode</span> <span class="o">+=</span> <span class="s2">"</span><span class="si">%s</span><span class="s2">"</span> <span class="o">%</span> <span class="n">urllib</span><span class="o">.</span><span class="n">quote</span><span class="p">(</span><span class="n">salt</span><span class="p">)</span>
<span class="k">print</span> <span class="n">url_encode</span>
<span class="n">hasher</span> <span class="o">=</span> <span class="n">md5</span><span class="o">.</span><span class="n">new</span><span class="p">()</span>
<span class="n">hasher</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">url_encode</span><span class="p">)</span>
<span class="n">encode_sig</span> <span class="o">=</span> <span class="n">hasher</span><span class="o">.</span><span class="n">hexdigest</span><span class="p">()</span>
<span class="k">print</span> <span class="s2">"9ad5d68a565d5251532a02d0942905ff"</span>
<span class="k">print</span> <span class="s2">"64d6f13f1fbc15efeff4ed121360024c"</span>
<span class="k">print</span> <span class="n">encode_sig</span>
</pre></div>
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<h4>Published</h4>
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