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<div class="title">credentials.hpp</div> </div>
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<a href="credentials_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Licensed to the Apache Software Foundation (ASF) under one</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">// or more contributor license agreements. See the NOTICE file</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// distributed with this work for additional information</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">// regarding copyright ownership. The ASF licenses this file</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment">// to you under the Apache License, Version 2.0 (the</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment">// &quot;License&quot;); you may not use this file except in compliance</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment">// with the License. You may obtain a copy of the License at</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment">// distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment">// See the License for the specific language governing permissions and</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment">// limitations under the License.</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#ifndef __CREDENTIALS_HPP__</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define __CREDENTIALS_HPP__</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="option_8hpp.html">stout/option.hpp</a>&gt;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="path_8hpp.html">stout/path.hpp</a>&gt;</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="3rdparty_2stout_2include_2stout_2protobuf_8hpp.html">stout/protobuf.hpp</a>&gt;</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="try_8hpp.html">stout/try.hpp</a>&gt;</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="permissions_8hpp.html">stout/os/permissions.hpp</a>&gt;</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="3rdparty_2stout_2include_2stout_2os_2read_8hpp.html">stout/os/read.hpp</a>&gt;</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="keyword">namespace </span>mesos {</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="keyword">namespace </span>internal {</div>
<div class="line"><a name="l00033"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1credentials.html"> 33</a></span>&#160;<span class="keyword">namespace </span>credentials {</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;</div>
<div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1credentials.html#a137c93d60149616181a10e9f39986f7f"> 35</a></span>&#160;<span class="keyword">inline</span> <a class="code" href="classResult.html">Result&lt;Credentials&gt;</a> <a class="code" href="namespacemesos_1_1internal_1_1credentials.html#a137c93d60149616181a10e9f39986f7f">read</a>(<span class="keyword">const</span> <a class="code" href="classPath.html">Path</a>&amp; path)</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;{</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; LOG(INFO) &lt;&lt; <span class="stringliteral">&quot;Loading credentials for authentication from &#39;&quot;</span> &lt;&lt; path &lt;&lt; <span class="stringliteral">&quot;&#39;&quot;</span>;</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <a class="code" href="classTry.html">Try&lt;std::string&gt;</a> <a class="code" href="namespacemesos_1_1internal_1_1credentials.html#a137c93d60149616181a10e9f39986f7f">read</a> = <a class="code" href="namespaceos.html#a48e0eb3bcc4df5f972abe5ee5434f8be">os::read</a>(path.<a class="code" href="classPath.html#a9d36a94d674e3f889eb8f46dc7a156b8">string</a>());</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="keywordflow">if</span> (read.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">&quot;Failed to read credentials file &#39;&quot;</span> + path.<a class="code" href="classPath.html#a9d36a94d674e3f889eb8f46dc7a156b8">string</a>() +</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; <span class="stringliteral">&quot;&#39;: &quot;</span> + read.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>());</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (read.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>().empty()) {</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; }</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <a class="code" href="classTry.html">Try&lt;os::Permissions&gt;</a> <a class="code" href="namespaceos.html#a3fc3402e6d83c2e2f1dc680d77489a29">permissions</a> = <a class="code" href="namespaceos.html#a3fc3402e6d83c2e2f1dc680d77489a29">os::permissions</a>(path.<a class="code" href="classPath.html#a9d36a94d674e3f889eb8f46dc7a156b8">string</a>());</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="keywordflow">if</span> (permissions.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; LOG(WARNING) &lt;&lt; <span class="stringliteral">&quot;Failed to stat credentials file &#39;&quot;</span> &lt;&lt; path</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; &lt;&lt; <span class="stringliteral">&quot;&#39;: &quot;</span> &lt;&lt; permissions.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>();</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (permissions.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>().<a class="code" href="structos_1_1Permissions.html#a49e2c2553d1d104736e03dc419181ade">others</a>.<a class="code" href="structos_1_1Permissions.html#a9c1d8046a31c4b107f4548483dfa9c32">rwx</a>) {</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; LOG(WARNING) &lt;&lt; <span class="stringliteral">&quot;Permissions on credentials file &#39;&quot;</span> &lt;&lt; path</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; &lt;&lt; <span class="stringliteral">&quot;&#39; are too open; it is recommended that your&quot;</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; &lt;&lt; <span class="stringliteral">&quot; credentials file is NOT accessible by others&quot;</span>;</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; }</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="comment">// TODO(nfnt): Remove text format support at the end of the deprecation cycle</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <span class="comment">// which started with version 1.0.</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <a class="code" href="classTry.html">Try&lt;JSON::Object&gt;</a> <a class="code" href="namespacemesos_1_1internal.html#a3752d85ef726065c6c1b946eef1ba87a">json</a> = JSON::parse&lt;JSON::Object&gt;(read.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>());</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <span class="keywordflow">if</span> (!json.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; <a class="code" href="classTry.html">Try&lt;Credentials&gt;</a> credentials = ::protobuf::parse&lt;Credentials&gt;(json.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>());</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="keywordflow">if</span> (!credentials.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="keywordflow">return</span> credentials.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>();</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; }</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; }</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; Credentials credentials;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="keywordflow">foreach</span> (<span class="keyword">const</span> std::string&amp; line, <a class="code" href="namespacestrings.html#afffe11c8ecce961981653358520d6a04">strings::tokenize</a>(read.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>(), <span class="stringliteral">&quot;\n&quot;</span>)) {</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; <span class="keyword">const</span> std::vector&lt;std::string&gt;&amp; <a class="code" href="namespacestrings.html#adaaf307e99ca9a9e434c43d7fda7d298">pairs</a> = <a class="code" href="namespacestrings.html#afffe11c8ecce961981653358520d6a04">strings::tokenize</a>(line, <span class="stringliteral">&quot; &quot;</span>);</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <span class="keywordflow">if</span> (pairs.size() != 2) {</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">&quot;Invalid credential format at line &quot;</span> +</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <a class="code" href="namespacens.html#a28116b46e6543597a11733424cd1aa20">stringify</a>(credentials.credentials().size() + 1));</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; }</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <span class="comment">// Add the credential.</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; Credential* credential = credentials.add_credentials();</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; credential-&gt;set_principal(pairs[0]);</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; credential-&gt;set_secret(pairs[1]);</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; }</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="keywordflow">return</span> credentials;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160;}</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;</div>
<div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1credentials.html#a69e23d6d4e7b9d1c64671c28915a3ab3"> 84</a></span>&#160;<span class="keyword">inline</span> <a class="code" href="classResult.html">Result&lt;Credential&gt;</a> <a class="code" href="namespacemesos_1_1internal_1_1credentials.html#a69e23d6d4e7b9d1c64671c28915a3ab3">readCredential</a>(<span class="keyword">const</span> <a class="code" href="classPath.html">Path</a>&amp; path)</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160;{</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; LOG(INFO) &lt;&lt; <span class="stringliteral">&quot;Loading credential for authentication from &#39;&quot;</span> &lt;&lt; path &lt;&lt; <span class="stringliteral">&quot;&#39;&quot;</span>;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; <a class="code" href="classTry.html">Try&lt;std::string&gt;</a> <a class="code" href="namespacemesos_1_1internal_1_1credentials.html#a137c93d60149616181a10e9f39986f7f">read</a> = <a class="code" href="namespaceos.html#a48e0eb3bcc4df5f972abe5ee5434f8be">os::read</a>(path.<a class="code" href="classPath.html#a9d36a94d674e3f889eb8f46dc7a156b8">string</a>());</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <span class="keywordflow">if</span> (read.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">&quot;Failed to read credential file &#39;&quot;</span> + path.<a class="code" href="classPath.html#a9d36a94d674e3f889eb8f46dc7a156b8">string</a>() +</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; <span class="stringliteral">&quot;&#39;: &quot;</span> + read.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>());</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (read.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>().empty()) {</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; }</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <a class="code" href="classTry.html">Try&lt;os::Permissions&gt;</a> <a class="code" href="namespaceos.html#a3fc3402e6d83c2e2f1dc680d77489a29">permissions</a> = <a class="code" href="namespaceos.html#a3fc3402e6d83c2e2f1dc680d77489a29">os::permissions</a>(path.<a class="code" href="classPath.html#a9d36a94d674e3f889eb8f46dc7a156b8">string</a>());</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <span class="keywordflow">if</span> (permissions.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; LOG(WARNING) &lt;&lt; <span class="stringliteral">&quot;Failed to stat credential file &#39;&quot;</span> &lt;&lt; path</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; &lt;&lt; <span class="stringliteral">&quot;&#39;: &quot;</span> &lt;&lt; permissions.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>();</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (permissions.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>().<a class="code" href="structos_1_1Permissions.html#a49e2c2553d1d104736e03dc419181ade">others</a>.<a class="code" href="structos_1_1Permissions.html#a9c1d8046a31c4b107f4548483dfa9c32">rwx</a>) {</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; LOG(WARNING) &lt;&lt; <span class="stringliteral">&quot;Permissions on credential file &#39;&quot;</span> &lt;&lt; path</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; &lt;&lt; <span class="stringliteral">&quot;&#39; are too open; it is recommended that your&quot;</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; &lt;&lt; <span class="stringliteral">&quot; credential file is NOT accessible by others&quot;</span>;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; }</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; <a class="code" href="classTry.html">Try&lt;JSON::Object&gt;</a> <a class="code" href="namespacemesos_1_1internal.html#a3752d85ef726065c6c1b946eef1ba87a">json</a> = JSON::parse&lt;JSON::Object&gt;(read.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>());</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; <span class="keywordflow">if</span> (!json.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <a class="code" href="classTry.html">Try&lt;Credential&gt;</a> credential = ::protobuf::parse&lt;Credential&gt;(json.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>());</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; <span class="keywordflow">if</span> (!credential.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; <span class="keywordflow">return</span> credential.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>();</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; }</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; }</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160;</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; <span class="comment">// TODO(nfnt): Remove text format support at the end of the deprecation cycle</span></div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; <span class="comment">// which started with version 1.0.</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; Credential credential;</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <span class="keyword">const</span> std::vector&lt;std::string&gt;&amp; line = <a class="code" href="namespacestrings.html#afffe11c8ecce961981653358520d6a04">strings::tokenize</a>(read.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>(), <span class="stringliteral">&quot;\n&quot;</span>);</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="keywordflow">if</span> (line.size() != 1) {</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">&quot;Expecting only one credential&quot;</span>);</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; }</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; <span class="keyword">const</span> std::vector&lt;std::string&gt;&amp; <a class="code" href="namespacestrings.html#adaaf307e99ca9a9e434c43d7fda7d298">pairs</a> = <a class="code" href="namespacestrings.html#afffe11c8ecce961981653358520d6a04">strings::tokenize</a>(line[0], <span class="stringliteral">&quot; &quot;</span>);</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; <span class="keywordflow">if</span> (pairs.size() != 2) {</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">&quot;Invalid credential format&quot;</span>);</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; }</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; <span class="comment">// Add the credential.</span></div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; credential.set_principal(pairs[0]);</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; credential.set_secret(pairs[1]);</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <span class="keywordflow">return</span> credential;</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160;}</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160;} <span class="comment">// namespace credentials {</span></div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;} <span class="comment">// namespace internal {</span></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160;} <span class="comment">// namespace mesos {</span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160;</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160;<span class="preprocessor">#endif // __CREDENTIALS_HPP__</span></div>
<div class="ttc" id="classError_html"><div class="ttname"><a href="classError.html">Error</a></div><div class="ttdef"><b>Definition:</b> errorbase.hpp:35</div></div>
<div class="ttc" id="classTry_html"><div class="ttname"><a href="classTry.html">Try</a></div><div class="ttdef"><b>Definition:</b> try.hpp:34</div></div>
<div class="ttc" id="3rdparty_2stout_2include_2stout_2os_2read_8hpp_html"><div class="ttname"><a href="3rdparty_2stout_2include_2stout_2os_2read_8hpp.html">read.hpp</a></div></div>
<div class="ttc" id="namespaceos_html_a3fc3402e6d83c2e2f1dc680d77489a29"><div class="ttname"><a href="namespaceos.html#a3fc3402e6d83c2e2f1dc680d77489a29">os::permissions</a></div><div class="ttdeci">Try&lt; Permissions &gt; permissions(const std::string &amp;path)</div><div class="ttdef"><b>Definition:</b> permissions.hpp:58</div></div>
<div class="ttc" id="permissions_8hpp_html"><div class="ttname"><a href="permissions_8hpp.html">permissions.hpp</a></div></div>
<div class="ttc" id="classResult_html"><div class="ttname"><a href="classResult.html">Result</a></div><div class="ttdef"><b>Definition:</b> result.hpp:40</div></div>
<div class="ttc" id="structos_1_1Permissions_html_a9c1d8046a31c4b107f4548483dfa9c32"><div class="ttname"><a href="structos_1_1Permissions.html#a9c1d8046a31c4b107f4548483dfa9c32">os::Permissions::rwx</a></div><div class="ttdeci">bool rwx</div><div class="ttdef"><b>Definition:</b> permissions.hpp:49</div></div>
<div class="ttc" id="namespacestrings_html_adaaf307e99ca9a9e434c43d7fda7d298"><div class="ttname"><a href="namespacestrings.html#adaaf307e99ca9a9e434c43d7fda7d298">strings::pairs</a></div><div class="ttdeci">std::map&lt; std::string, std::vector&lt; std::string &gt; &gt; pairs(const std::string &amp;s, const std::string &amp;delims1, const std::string &amp;delims2)</div><div class="ttdef"><b>Definition:</b> strings.hpp:210</div></div>
<div class="ttc" id="namespacestrings_html_afffe11c8ecce961981653358520d6a04"><div class="ttname"><a href="namespacestrings.html#afffe11c8ecce961981653358520d6a04">strings::tokenize</a></div><div class="ttdeci">std::vector&lt; std::string &gt; tokenize(const std::string &amp;s, const std::string &amp;delims, const Option&lt; size_t &gt; &amp;maxTokens=None())</div><div class="ttdef"><b>Definition:</b> strings.hpp:136</div></div>
<div class="ttc" id="classPath_html"><div class="ttname"><a href="classPath.html">Path</a></div><div class="ttdoc">Represents a POSIX or Windows file system path and offers common path manipulations. </div><div class="ttdef"><b>Definition:</b> path.hpp:79</div></div>
<div class="ttc" id="path_8hpp_html"><div class="ttname"><a href="path_8hpp.html">path.hpp</a></div></div>
<div class="ttc" id="namespacemesos_1_1internal_html_a3752d85ef726065c6c1b946eef1ba87a"><div class="ttname"><a href="namespacemesos_1_1internal.html#a3752d85ef726065c6c1b946eef1ba87a">mesos::internal::json</a></div><div class="ttdeci">void json(JSON::ObjectWriter *writer, const Task &amp;task)</div></div>
<div class="ttc" id="3rdparty_2stout_2include_2stout_2protobuf_8hpp_html"><div class="ttname"><a href="3rdparty_2stout_2include_2stout_2protobuf_8hpp.html">protobuf.hpp</a></div></div>
<div class="ttc" id="option_8hpp_html"><div class="ttname"><a href="option_8hpp.html">option.hpp</a></div></div>
<div class="ttc" id="namespaceos_html_a48e0eb3bcc4df5f972abe5ee5434f8be"><div class="ttname"><a href="namespaceos.html#a48e0eb3bcc4df5f972abe5ee5434f8be">os::read</a></div><div class="ttdeci">Result&lt; std::string &gt; read(int fd, size_t size)</div><div class="ttdef"><b>Definition:</b> read.hpp:48</div></div>
<div class="ttc" id="classTry_html_aec4a11ddd3c036e889d90b7eb6258ba7"><div class="ttname"><a href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">Try::error</a></div><div class="ttdeci">static Try error(const E &amp;e)</div><div class="ttdef"><b>Definition:</b> try.hpp:42</div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1credentials_html_a69e23d6d4e7b9d1c64671c28915a3ab3"><div class="ttname"><a href="namespacemesos_1_1internal_1_1credentials.html#a69e23d6d4e7b9d1c64671c28915a3ab3">mesos::internal::credentials::readCredential</a></div><div class="ttdeci">Result&lt; Credential &gt; readCredential(const Path &amp;path)</div><div class="ttdef"><b>Definition:</b> credentials.hpp:84</div></div>
<div class="ttc" id="structNone_html"><div class="ttname"><a href="structNone.html">None</a></div><div class="ttdef"><b>Definition:</b> none.hpp:27</div></div>
<div class="ttc" id="classTry_html_a0b98f95163b8a38daafd1651b043a276"><div class="ttname"><a href="classTry.html#a0b98f95163b8a38daafd1651b043a276">Try::isError</a></div><div class="ttdeci">bool isError() const </div><div class="ttdef"><b>Definition:</b> try.hpp:68</div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1credentials_html_a137c93d60149616181a10e9f39986f7f"><div class="ttname"><a href="namespacemesos_1_1internal_1_1credentials.html#a137c93d60149616181a10e9f39986f7f">mesos::internal::credentials::read</a></div><div class="ttdeci">Result&lt; Credentials &gt; read(const Path &amp;path)</div><div class="ttdef"><b>Definition:</b> credentials.hpp:35</div></div>
<div class="ttc" id="try_8hpp_html"><div class="ttname"><a href="try_8hpp.html">try.hpp</a></div></div>
<div class="ttc" id="structos_1_1Permissions_html_a49e2c2553d1d104736e03dc419181ade"><div class="ttname"><a href="structos_1_1Permissions.html#a49e2c2553d1d104736e03dc419181ade">os::Permissions::others</a></div><div class="ttdeci">struct os::Permissions::@24 others</div></div>
<div class="ttc" id="namespacens_html_a28116b46e6543597a11733424cd1aa20"><div class="ttname"><a href="namespacens.html#a28116b46e6543597a11733424cd1aa20">ns::stringify</a></div><div class="ttdeci">std::string stringify(int flags)</div><div class="ttdef"><b>Definition:</b> ns.hpp:685</div></div>
<div class="ttc" id="classPath_html_a9d36a94d674e3f889eb8f46dc7a156b8"><div class="ttname"><a href="classPath.html#a9d36a94d674e3f889eb8f46dc7a156b8">Path::string</a></div><div class="ttdeci">const std::string &amp; string() const </div><div class="ttdef"><b>Definition:</b> path.hpp:251</div></div>
<div class="ttc" id="classTry_html_a7be0768038e0628632492edf6cc1515a"><div class="ttname"><a href="classTry.html#a7be0768038e0628632492edf6cc1515a">Try::get</a></div><div class="ttdeci">const T &amp; get() const </div><div class="ttdef"><b>Definition:</b> try.hpp:70</div></div>
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