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| <div class="title">url-coding.cc</div> </div> |
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| <div class="contents"> |
| <a href="url-coding_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2012 Cloudera Inc.</span></div> |
| <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// You may obtain a copy of the License at</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div> |
| <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// See the License for the specific language governing permissions and</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// limitations under the License.</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "<a class="code" href="url-coding_8h.html">util/url-coding.h</a>"</span></div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <exception></span></div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <sstream></span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <boost/algorithm/string.hpp></span></div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <boost/archive/iterators/base64_from_binary.hpp></span></div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <boost/archive/iterators/binary_from_base64.hpp></span></div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <boost/archive/iterators/transform_width.hpp></span></div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <boost/foreach.hpp></span></div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "<a class="code" href="logging_8h.html">common/logging.h</a>"</span></div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "<a class="code" href="names_8h.html">common/names.h</a>"</span></div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">using</span> boost::algorithm::is_any_of;</div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">using</span> boost::archive::iterators::base64_from_binary;</div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">using</span> boost::archive::iterators::binary_from_base64;</div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">using</span> boost::archive::iterators::transform_width;</div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">using namespace </span>impala;</div> |
| <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">using</span> std::uppercase;</div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">namespace </span>impala {</div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">// Hive selectively encodes characters. This is the whitelist of</span></div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">// characters it will encode.</span></div> |
| <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment">// See common/src/java/org/apache/hadoop/hive/common/FileUtils.java</span></div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment">// in the Hive source code for the source of this list.</span></div> |
| <div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="namespaceimpala.html#ac15cf21edfa42ab9849de2e989c94204"> 42</a></span> <span class="keyword">static</span> function<bool (char)> <a class="code" href="namespaceimpala.html#ac15cf21edfa42ab9849de2e989c94204">HiveShouldEscape</a> = is_any_of(<span class="stringliteral">"\"#%\\*/:=?\u00FF"</span>);</div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment">// It is more convenient to maintain the complement of the set of</span></div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment">// characters to escape when not in Hive-compat mode.</span></div> |
| <div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="namespaceimpala.html#a5205685b6c9eebb52ece8dd1d03dac27"> 46</a></span> <span class="keyword">static</span> function<bool (char)> <a class="code" href="namespaceimpala.html#a5205685b6c9eebb52ece8dd1d03dac27">ShouldNotEscape</a> = is_any_of(<span class="stringliteral">"-_.~"</span>);</div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div> |
| <div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="namespaceimpala.html#a21643b3d264e5669ec62886358cb5341"> 48</a></span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="namespaceimpala.html#a21643b3d264e5669ec62886358cb5341">UrlEncode</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* in, <span class="keywordtype">int</span> in_len, <span class="keywordtype">string</span>* out, <span class="keywordtype">bool</span> hive_compat) {</div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  (*out).reserve(in_len);</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  stringstream ss;</div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < in_len; ++i) {</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> ch = in[i];</div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="comment">// Escape the character iff a) we are in Hive-compat mode and the</span></div> |
| <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="comment">// character is in the Hive whitelist or b) we are not in</span></div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="comment">// Hive-compat mode, and the character is not alphanumeric or one</span></div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="comment">// of the four commonly excluded characters.</span></div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">if</span> ((hive_compat && <a class="code" href="namespaceimpala.html#ac15cf21edfa42ab9849de2e989c94204">HiveShouldEscape</a>(ch)) ||</div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  (!hive_compat && !(isalnum(ch) || <a class="code" href="namespaceimpala.html#a5205685b6c9eebb52ece8dd1d03dac27">ShouldNotEscape</a>(ch)))) {</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  ss << '%' << uppercase << hex << static_cast<uint32_t>(ch);</div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  ss << ch;</div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  }</div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  }</div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  (*out) = ss.str();</div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span> }</div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div> |
| <div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="namespaceimpala.html#ad5585ddf4e71b2ccadcd11e93c1c4d55"> 68</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceimpala.html#a21643b3d264e5669ec62886358cb5341">UrlEncode</a>(<span class="keyword">const</span> vector<uint8_t>& in, <span class="keywordtype">string</span>* out, <span class="keywordtype">bool</span> hive_compat) {</div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">if</span> (in.empty()) {</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  *out = <span class="stringliteral">""</span>;</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <a class="code" href="namespaceimpala.html#a21643b3d264e5669ec62886358cb5341">UrlEncode</a>(reinterpret_cast<const char*>(&in[0]), in.size(), out, hive_compat);</div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  }</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span> }</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div> |
| <div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="namespaceimpala.html#a1d6a74c340ef69d1e4b57feef101b336"> 76</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceimpala.html#a21643b3d264e5669ec62886358cb5341">UrlEncode</a>(<span class="keyword">const</span> <span class="keywordtype">string</span>& in, <span class="keywordtype">string</span>* out, <span class="keywordtype">bool</span> hive_compat) {</div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <a class="code" href="namespaceimpala.html#a21643b3d264e5669ec62886358cb5341">UrlEncode</a>(in.c_str(), in.size(), out, hive_compat);</div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span> }</div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="comment">// Adapted from</span></div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="comment">// http://www.boost.org/doc/libs/1_40_0/doc/html/boost_asio/</span></div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment">// example/http/server3/request_handler.cpp</span></div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="comment">// See http://www.boost.org/LICENSE_1_0.txt for license for this method.</span></div> |
| <div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="namespaceimpala.html#a01188f624c565c30b7a4715deea59f5a"> 84</a></span> <span class="keywordtype">bool</span> <a class="code" href="namespaceimpala.html#a01188f624c565c30b7a4715deea59f5a">UrlDecode</a>(<span class="keyword">const</span> <span class="keywordtype">string</span>& in, <span class="keywordtype">string</span>* out, <span class="keywordtype">bool</span> hive_compat) {</div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  out->clear();</div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  out->reserve(in.size());</div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < in.size(); ++i) {</div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">if</span> (in[i] == <span class="charliteral">'%'</span>) {</div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">if</span> (i + 3 <= in.size()) {</div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordtype">int</span> value = 0;</div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  istringstream is(in.substr(i + 1, 2));</div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">if</span> (is >> hex >> value) {</div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  (*out) += <span class="keyword">static_cast<</span><span class="keywordtype">char</span><span class="keyword">></span>(value);</div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  i += 2;</div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  }</div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  }</div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!hive_compat && in[i] == <span class="charliteral">'+'</span>) { <span class="comment">// Hive does not encode ' ' as '+'</span></div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  (*out) += <span class="charliteral">' '</span>;</div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  (*out) += in[i];</div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  }</div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  }</div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span> }</div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div> |
| <div class="line"><a name="l00110"></a><span class="lineno"><a class="line" href="namespaceimpala.html#a9dc599ae2fcc5339b8b744ffb1bf8c40"> 110</a></span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="namespaceimpala.html#a9dc599ae2fcc5339b8b744ffb1bf8c40">Base64Encode</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* in, <span class="keywordtype">int</span> in_len, stringstream* out) {</div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">typedef</span> base64_from_binary<transform_width<const char*, 6, 8> > base64_encode;</div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">// Base64 encodes 8 byte chars as 6 bit values.</span></div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  stringstream::pos_type len_before = out->tellp();</div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  copy(base64_encode(in), base64_encode(in + in_len), std::ostream_iterator<char>(*out));</div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordtype">int</span> bytes_written = out->tellp() - len_before;</div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment">// Pad with = to make it valid base64 encoded string</span></div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordtype">int</span> num_pad = bytes_written % 4;</div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">if</span> (num_pad != 0) {</div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  num_pad = 4 - num_pad;</div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_pad; ++i) {</div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  (*out) << <span class="stringliteral">"="</span>;</div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  }</div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  }</div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  DCHECK_EQ((out->tellp() - len_before) % 4, 0);</div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span> }</div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span> </div> |
| <div class="line"><a name="l00127"></a><span class="lineno"><a class="line" href="namespaceimpala.html#af23fffacecc0e79339b4b070ddb2e181"> 127</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceimpala.html#a9dc599ae2fcc5339b8b744ffb1bf8c40">Base64Encode</a>(<span class="keyword">const</span> vector<uint8_t>& in, <span class="keywordtype">string</span>* out) {</div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">if</span> (in.empty()) {</div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  *out = <span class="stringliteral">""</span>;</div> |
| <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  stringstream ss;</div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <a class="code" href="namespaceimpala.html#a9dc599ae2fcc5339b8b744ffb1bf8c40">Base64Encode</a>(in, &ss);</div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  *out = ss.str();</div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  }</div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span> }</div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div> |
| <div class="line"><a name="l00137"></a><span class="lineno"><a class="line" href="namespaceimpala.html#a69be231f977f05afe566326991177490"> 137</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceimpala.html#a9dc599ae2fcc5339b8b744ffb1bf8c40">Base64Encode</a>(<span class="keyword">const</span> vector<uint8_t>& in, stringstream* out) {</div> |
| <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">if</span> (!in.empty()) {</div> |
| <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="comment">// Boost does not like non-null terminated strings</span></div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordtype">string</span> tmp(reinterpret_cast<const char*>(&in[0]), in.size());</div> |
| <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <a class="code" href="namespaceimpala.html#a9dc599ae2fcc5339b8b744ffb1bf8c40">Base64Encode</a>(tmp.c_str(), tmp.size(), out);</div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  }</div> |
| <div class="line"><a name="l00143"></a><span class="lineno"> 143</span> }</div> |
| <div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div> |
| <div class="line"><a name="l00145"></a><span class="lineno"><a class="line" href="namespaceimpala.html#a4d18c2fc54037e9a2e0720b50becd56a"> 145</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceimpala.html#a9dc599ae2fcc5339b8b744ffb1bf8c40">Base64Encode</a>(<span class="keyword">const</span> <span class="keywordtype">string</span>& in, <span class="keywordtype">string</span>* out) {</div> |
| <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  stringstream ss;</div> |
| <div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <a class="code" href="namespaceimpala.html#a9dc599ae2fcc5339b8b744ffb1bf8c40">Base64Encode</a>(in.c_str(), in.size(), &ss);</div> |
| <div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  *out = ss.str();</div> |
| <div class="line"><a name="l00149"></a><span class="lineno"> 149</span> }</div> |
| <div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div> |
| <div class="line"><a name="l00151"></a><span class="lineno"><a class="line" href="namespaceimpala.html#a582227112aabe680fcf0bfac6b2d34ab"> 151</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceimpala.html#a9dc599ae2fcc5339b8b744ffb1bf8c40">Base64Encode</a>(<span class="keyword">const</span> <span class="keywordtype">string</span>& in, stringstream* out) {</div> |
| <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <a class="code" href="namespaceimpala.html#a9dc599ae2fcc5339b8b744ffb1bf8c40">Base64Encode</a>(in.c_str(), in.size(), out);</div> |
| <div class="line"><a name="l00153"></a><span class="lineno"> 153</span> }</div> |
| <div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div> |
| <div class="line"><a name="l00155"></a><span class="lineno"><a class="line" href="namespaceimpala.html#a656ca97cc0ae1b722b3197017e18d89a"> 155</a></span> <span class="keywordtype">bool</span> <a class="code" href="namespaceimpala.html#a656ca97cc0ae1b722b3197017e18d89a">Base64Decode</a>(<span class="keyword">const</span> <span class="keywordtype">string</span>& in, <span class="keywordtype">string</span>* out) {</div> |
| <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keyword">typedef</span> transform_width<</div> |
| <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  binary_from_base64<string::const_iterator> , 8, 6> base64_decode;</div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordtype">string</span> tmp = in;</div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="comment">// Replace padding with base64 encoded NULL</span></div> |
| <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  replace(tmp.begin(), tmp.end(), <span class="charliteral">'='</span>, <span class="charliteral">'A'</span>);</div> |
| <div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">try</span> {</div> |
| <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  *out = string(base64_decode(tmp.begin()), base64_decode(tmp.end()));</div> |
| <div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  } <span class="keywordflow">catch</span>(std::exception& e) {</div> |
| <div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  }</div> |
| <div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div> |
| <div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="comment">// Remove trailing '\0' that were added as padding. Since \0 is special,</span></div> |
| <div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="comment">// the boost functions get confused so do this manually.</span></div> |
| <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordtype">int</span> num_padded_chars = 0;</div> |
| <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = out->size() - 1; i >= 0; --i) {</div> |
| <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">if</span> ((*out)[i] != <span class="charliteral">'\0'</span>) <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  ++num_padded_chars;</div> |
| <div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  }</div> |
| <div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  out->resize(out->size() - num_padded_chars);</div> |
| <div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00176"></a><span class="lineno"> 176</span> }</div> |
| <div class="line"><a name="l00177"></a><span class="lineno"> 177</span> </div> |
| <div class="line"><a name="l00178"></a><span class="lineno"><a class="line" href="namespaceimpala.html#a302985975b66eadc6248fde5f3f4a2c3"> 178</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceimpala.html#a302985975b66eadc6248fde5f3f4a2c3">EscapeForHtml</a>(<span class="keyword">const</span> <span class="keywordtype">string</span>& in, stringstream* out) {</div> |
| <div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  DCHECK(out != NULL);</div> |
| <div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  BOOST_FOREACH(<span class="keyword">const</span> <span class="keywordtype">char</span>& c, in) {</div> |
| <div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">switch</span> (c) {</div> |
| <div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">case</span> <span class="charliteral">'<'</span>: (*out) << <span class="stringliteral">"&lt;"</span>;</div> |
| <div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">case</span> <span class="charliteral">'>'</span>: (*out) << <span class="stringliteral">"&gt;"</span>;</div> |
| <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordflow">case</span> <span class="charliteral">'&'</span>: (*out) << <span class="stringliteral">"&amp;"</span>;</div> |
| <div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">default</span>: (*out) << c;</div> |
| <div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  }</div> |
| <div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  }</div> |
| <div class="line"><a name="l00191"></a><span class="lineno"> 191</span> }</div> |
| <div class="line"><a name="l00192"></a><span class="lineno"> 192</span> </div> |
| <div class="line"><a name="l00193"></a><span class="lineno"> 193</span> }</div> |
| <div class="ttc" id="namespaceimpala_html_ac15cf21edfa42ab9849de2e989c94204"><div class="ttname"><a href="namespaceimpala.html#ac15cf21edfa42ab9849de2e989c94204">impala::HiveShouldEscape</a></div><div class="ttdeci">static function< bool(char)> HiveShouldEscape</div><div class="ttdef"><b>Definition:</b> <a href="url-coding_8cc_source.html#l00042">url-coding.cc:42</a></div></div> |
| <div class="ttc" id="logging_8h_html"><div class="ttname"><a href="logging_8h.html">logging.h</a></div></div> |
| <div class="ttc" id="namespaceimpala_html_a01188f624c565c30b7a4715deea59f5a"><div class="ttname"><a href="namespaceimpala.html#a01188f624c565c30b7a4715deea59f5a">impala::UrlDecode</a></div><div class="ttdeci">bool UrlDecode(const string &in, string *out, bool hive_compat)</div><div class="ttdef"><b>Definition:</b> <a href="url-coding_8cc_source.html#l00084">url-coding.cc:84</a></div></div> |
| <div class="ttc" id="namespaceimpala_html_a9dc599ae2fcc5339b8b744ffb1bf8c40"><div class="ttname"><a href="namespaceimpala.html#a9dc599ae2fcc5339b8b744ffb1bf8c40">impala::Base64Encode</a></div><div class="ttdeci">static void Base64Encode(const char *in, int in_len, stringstream *out)</div><div class="ttdef"><b>Definition:</b> <a href="url-coding_8cc_source.html#l00110">url-coding.cc:110</a></div></div> |
| <div class="ttc" id="namespaceimpala_html_a21643b3d264e5669ec62886358cb5341"><div class="ttname"><a href="namespaceimpala.html#a21643b3d264e5669ec62886358cb5341">impala::UrlEncode</a></div><div class="ttdeci">static void UrlEncode(const char *in, int in_len, string *out, bool hive_compat)</div><div class="ttdef"><b>Definition:</b> <a href="url-coding_8cc_source.html#l00048">url-coding.cc:48</a></div></div> |
| <div class="ttc" id="namespaceimpala_html_a656ca97cc0ae1b722b3197017e18d89a"><div class="ttname"><a href="namespaceimpala.html#a656ca97cc0ae1b722b3197017e18d89a">impala::Base64Decode</a></div><div class="ttdeci">bool Base64Decode(const string &in, string *out)</div><div class="ttdef"><b>Definition:</b> <a href="url-coding_8cc_source.html#l00155">url-coding.cc:155</a></div></div> |
| <div class="ttc" id="namespaceimpala_html_a302985975b66eadc6248fde5f3f4a2c3"><div class="ttname"><a href="namespaceimpala.html#a302985975b66eadc6248fde5f3f4a2c3">impala::EscapeForHtml</a></div><div class="ttdeci">void EscapeForHtml(const string &in, stringstream *out)</div><div class="ttdef"><b>Definition:</b> <a href="url-coding_8cc_source.html#l00178">url-coding.cc:178</a></div></div> |
| <div class="ttc" id="url-coding_8h_html"><div class="ttname"><a href="url-coding_8h.html">url-coding.h</a></div></div> |
| <div class="ttc" id="namespaceimpala_html_a5205685b6c9eebb52ece8dd1d03dac27"><div class="ttname"><a href="namespaceimpala.html#a5205685b6c9eebb52ece8dd1d03dac27">impala::ShouldNotEscape</a></div><div class="ttdeci">static function< bool(char)> ShouldNotEscape</div><div class="ttdef"><b>Definition:</b> <a href="url-coding_8cc_source.html#l00046">url-coding.cc:46</a></div></div> |
| <div class="ttc" id="names_8h_html"><div class="ttname"><a href="names_8h.html">names.h</a></div></div> |
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