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annotate php/read/aws_signed_request.php @ 42:3f400072bf14

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merge, involved ediff3 wrt getAmazonInfo.php
author Charlie Root
date Sat, 05 Jan 2019 06:21:12 -0500
parents 2c0c95bd97a6
children dbc006408d2b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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6
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1 <?php
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2
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3 //20090627/Jaap van Ganswijk: This is a modified version, see the
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4 //return statement some lines before the end of the last function.
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5
39
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6
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7 $Aassociates_id=array(
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8 'uk' => 'bookwhack-21',
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9 'us' => 'your02b-20',
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10 'ca' => 'book009-20',
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11 'de' => 'book04c-21',
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12 'fr' => 'book07f-21',
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13 );
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14
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15 $Aserver=array(
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16 'ca' => array(
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17 'ext' => 'ca' , //Canadian normal server
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18 'nor' => 'http://www.amazon.ca' , //Canadian normal server
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19 'xml' => 'http://xml.amazon.com' , //Canadian xml server
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20 ),
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21 'de' => array(
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22 'ext' => 'de' , //German normal server
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23 'nor' => 'http://www.amazon.de' , //German normal server
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24 'xml' => 'http://xml-eu.amazon.com', //German xml server
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25 ),
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26 'fr' => array(
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27 'ext' => 'fr' , //French normal server
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28 'nor' => 'http://www.amazon.fr' , //French normal server
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29 'xml' => 'http://xml-eu.amazon.com', //French xml server
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30 ),
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31 'jp' => array(
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32 'ext' => 'jp' , //Japanese normal server, not co.jp!
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33 'nor' => 'http://www.amazon.co.jp' , //Japanese normal server
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34 'xml' => 'http://xml.amazon.com' , //Japanese xml server
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35 ),
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36 'uk' => array(
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37 'ext' => 'co.uk' , //UK normal server
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38 'nor' => 'http://www.amazon.co.uk' , //UK normal server
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39 'xml' => 'http://xml-eu.amazon.com', //UK xml server
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40 ),
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41 'us' => array(
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42 'ext' => 'com' , //USA normal server
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43 'nor' => 'http://www.amazon.com' , //USA normal server
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44 'xml' => 'http://xml.amazon.com' , //USA xml server
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45 ),
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46 );
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47
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48
6
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49 if (!function_exists("aws_signed_request")) {
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50 function aws_signed_request($region, $params, $public_key, $private_key)
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51 {
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52 /*
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53 Copyright (c) 2009 Ulrich Mierendorff
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54
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55 Permission is hereby granted, free of charge, to any person obtaining a
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56 copy of this software and associated documentation files (the "Software"),
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57 to deal in the Software without restriction, including without limitation
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58 the rights to use, copy, modify, merge, publish, distribute, sublicense,
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59 and/or sell copies of the Software, and to permit persons to whom the
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60 Software is furnished to do so, subject to the following conditions:
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61
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62 The above copyright notice and this permission notice shall be included in
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63 all copies or substantial portions of the Software.
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64
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65 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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66 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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67 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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68 THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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69 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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70 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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71 DEALINGS IN THE SOFTWARE.
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72 */
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73
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74 /*
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75 Parameters:
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76 $region - the Amazon(r) region (ca,com,co.uk,de,fr,jp)
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77 $params - an array of parameters, eg. array("Operation"=>"ItemLookup",
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78 "ItemId"=>"B000X9FLKM", "ResponseGroup"=>"Small")
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79 $public_key - your "Access Key ID"
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80 $private_key - your "Secret Access Key"
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81 */
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82
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83 // some paramters
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84 $method = "GET";
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85 $host = "ecs.amazonaws.".$region;
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86 $uri = "/onca/xml";
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87
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88 // additional parameters
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89 $params["Service"] = "AWSECommerceService";
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90 $params["AWSAccessKeyId"] = $public_key;
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91 // GMT timestamp
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92 $params["Timestamp"] = gmdate("Y-m-d\TH:i:s\Z");
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93 // API version
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94 $params["Version"] = "2011-08-01";
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95
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96 // sort the parameters
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97 ksort($params);
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98
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99 // create the canonicalized query
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100 $canonicalized_query = array();
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101 foreach ($params as $param=>$value)
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102 {
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103 $param = str_replace("%7E", "~", rawurlencode($param));
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104 $value = str_replace("%7E", "~", rawurlencode($value));
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105 $canonicalized_query[] = $param."=".$value;
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106 }
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107 $canonicalized_query = implode("&", $canonicalized_query);
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108
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109 // create the string to sign
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110 $string_to_sign = $method."\n".$host."\n".$uri."\n".$canonicalized_query;
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111
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112 // calculate HMAC with SHA256 and base64-encoding
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113 $signature = base64_encode(hash_hmac("sha256", $string_to_sign, $private_key, True));
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114
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115 // encode the signature for the request
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116 $signature = str_replace("%7E", "~", rawurlencode($signature));
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117
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118 // create request
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119 $request = "http://".$host.$uri."?".$canonicalized_query."&Signature=".$signature;
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120
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121 //20090627 and 20090804/Jaap van Ganswijk: I added the next lines
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122 //and commented out the others to prevent getting the file and
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123 //interpreting the XML because my script likes to do that itself.
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124
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125 return $request;
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126
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127 // // do request
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128 // $response = @file_get_contents($request);
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129 //
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130 // if ($response === False)
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131 // {
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132 // return False;
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133 // }
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134 // else
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135 // {
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136 // // parse XML
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137 // $pxml = simplexml_load_string($response);
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138 // if ($pxml === False)
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139 // {
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140 // return False; // no xml
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141 // }
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142 // else
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143 // {
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144 // return $pxml;
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145 // }
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146 // }
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147 }
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148 }
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149 ?>